CN-119284646-B - Wire conveying device and liquid level sensor manufacturing equipment

Abstract

The invention belongs to the technical field of wire conveying, and provides a wire conveying device and liquid level sensor manufacturing equipment, which are used for solving the defects of low conveying efficiency and low assembly reliability and precision in the prior art, wherein the wire conveying device comprises a wire feeding mechanism, a wire clamping mechanism and a wire clamping mechanism, the wire feeding mechanism comprises a driving assembly, a wire receiving assembly and a limiting assembly correspondingly matched with the wire receiving assembly, the wire receiving assembly is used for receiving wires, the limiting assembly limits the positions of the wires, the wire connecting mechanism comprises a wire connecting groove, the driving assembly drives the wires to move above the wire connecting groove, the limiting assembly releases the limitation of the wires so that the wire connecting groove receives the fallen wires, the wire pushing mechanism is used for fixing and pushing the wires positioned in the wire connecting groove, the wire clamping mechanism is used for clamping the wires pushed into the wire pushing mechanism, and the clamping mechanism is used for mounting and clamping workpieces to which the wires are assembled. The invention has the advantages of high conveying efficiency and high assembly reliability and precision for the lead.

Inventors

• LONG CHAOXIANG

Assignees

• 深圳市远望工业自动化设备有限公司

Dates

Publication Date

20260512

Application Date

20241111

Claims (9)

1. 1. A wire delivery device, comprising: the wire feeding mechanism comprises a driving assembly, a wire receiving assembly and a limiting assembly correspondingly matched with the wire receiving assembly, wherein the wire receiving assembly is used for receiving a wire, and the limiting assembly limits the position of the wire; the wiring mechanism comprises a wiring groove, the driving assembly drives the wires to move above the wiring groove, and the limiting assembly releases the limitation of the wires so that the wiring groove receives the fallen wires; The wire pushing mechanism is used for fixing and pushing the wires positioned in the wiring groove; The wire clamping mechanism is used for clamping the wire pushed into the wire pushing mechanism by the wire pushing mechanism; The clamping mechanism is used for installing and clamping the workpiece to which the lead is assembled; The driving assembly comprises a first driving cylinder and a first driving block which are in driving connection, a second driving cylinder and a second driving block which are in driving connection, a support, a driving arm, a wire lifting rod and a wire lifting arm, wherein the support is fixedly connected with the first driving block, the first driving cylinder drives the first driving block to reciprocate along a first direction relative to the wiring mechanism in a way of approaching or separating from the wiring mechanism, the second driving cylinder is arranged on the support, the driving arm is fixedly connected with the second driving block, the wire lifting rod is fixedly connected with the driving arm, one end of the wire lifting arm is fixedly connected with the wire lifting rod, and the other end of the wire lifting arm is initially positioned in the wiring groove; the wire collecting assembly comprises a wire collecting block and a baffle, wherein the wire collecting block is provided with a wire collecting groove for collecting the wires, and the baffle is used for resisting the front ends of the wires and is arranged at the tail end, far away from the wire collecting groove, of the wire collecting block; The limiting assembly comprises a first driver, a limiting block and a pair of limiting clamps which are oppositely arranged at two sides of the limiting block, a gap for a wire to enter is formed between the limiting block and the limiting clamps adjacent to the limiting block, the first driver drives the pair of limiting clamps to respectively approach or separate from each other relative to the side surfaces of the adjacent limiting blocks, so that when the limiting clamps are relatively close, the wire in the gap is clamped and fixed by the pair of limiting clamps, and when the limiting clamps are relatively far away, the gap allowing the wire to enter is formed, and the driving arm is fixedly connected with the first driver; After the pair of limiting clamps clamp and fix the wire, the second driving cylinder drives the second driving block to drive the driving arm to lift along the second direction so that the limiting clamps and the wire lifting arm jointly support the wire to lift away from the wire collecting groove, the first driving cylinder drives the first driving block to drive the support to move towards the wire connecting mechanism along the first direction, the first direction is perpendicular to the second direction, and after the wire is located above the wire connecting groove corresponding to the first driving block, the first driver drives the pair of limiting clamps to be away from each other, so that the wire falls into the wire connecting groove.
2. 2. The wire feeding device according to claim 1, wherein the wire connection mechanism comprises a wire connection plate, a pair of guide posts, a supporting block and a third driving cylinder, the wire connection plate is provided with the wire connection grooves, the number of the pairs of guide posts is the same as that of the wire collection grooves, the guide posts restrict the wires passing through the wire connection grooves therebetween from moving in the second direction, the supporting block is located above the third driving cylinder, the wire connection plate is fixedly connected with the supporting block relatively, and the third driving cylinder drives the supporting block to reciprocate parallel to the first direction.
3. 3. The wire feeding device according to claim 2, wherein the wire pushing mechanism comprises a second driver, a holding block, a pair of holding plates and a pair of driving frames, a pair of holding plates are respectively fixed to one of the driving frames, one holding plate is provided on each of both sides of the holding block, holding grooves communicating with the wire receiving grooves are provided in each of the holding plates, and when two vertical planes parallel to the first direction pass through the pair of wire receiving grooves and the wire receiving groove respectively, one holding block is provided at an end of the wire receiving plate closer to the wire clamping mechanism, the wire passes through the holding plate and the holding block via the holding grooves, the second driver is provided on the supporting block, the wiring board is fixedly connected with the supporting block relatively through the second driver and a fixing column, the second driver drives the pair of driving frames to drive the pair of holding plates to relatively approach or separate from the side surfaces of the adjacent holding blocks respectively so as to correspondingly keep the positions of wires fixed or unfixed, or when the wire collecting groove and the wire collecting groove are respectively arranged as one vertical plane parallel to the first direction and pass through the wire collecting groove and the wire collecting groove respectively, one holding groove respectively arranged on the pair of holding plates is opposite to each other, the wires pass through the pair of holding plates through the two holding grooves, and the second driver drives the pair of driving frames to drive the pair of holding plates to relatively approach or separate from each other so as to correspondingly keep the positions of the wires fixed or unfixed; When the wiring mechanism is positioned at an initial wiring position corresponding to the wire after the wiring groove receives the falling wire and the second driver drives the pair of holding plates to be relatively close to each other so that the position of the wire is kept fixed, the third driving air cylinder drives the wiring plate and the wire pushing mechanism to move towards a direction approaching to the wire clamping mechanism, so that the wiring mechanism moves to a wire clamping receiving position, after the wire is clamped by the wire clamping mechanism, the second driver drives the pair of holding plates to be relatively far away from each other so that the position of the wire is released from being fixed, and the third driving air cylinder drives the wiring plate and the wire pushing mechanism to move towards a direction far from the wire clamping mechanism and return to the initial wiring position.
4. 4. The wire feeding device as claimed in claim 3, wherein the wire clamping mechanism comprises a supporting plate, a first wire clamping plate and a second wire clamping plate, the first wire clamping plate is provided with two first wire clamping half holes, the second wire clamping plate is provided with two second wire clamping half holes, the first wire clamping half holes and the second wire clamping half holes are alternately and oppositely arranged, the first wire clamping plate and the second wire clamping plate are respectively and elastically connected with the supporting plate through a first elastic piece, the first wire clamping plate and the second wire clamping plate are initially separated from each other under the action of the first elastic piece so as to form a first wire passing groove between every two adjacent first wire clamping half holes and second wire clamping half holes, a wire guiding pressing wheel is respectively arranged on the outer sides of the first wire clamping plate and the second wire clamping plate, the support plate is provided with a first guide rail, the first clamp plate and the second clamp plate are respectively provided with a first guide block which is in sliding connection with the first guide rail, two outer side surfaces of the support block are respectively fixed with a pressing plate, when the third driving air cylinder drives the support block to move towards the wire clamping mechanism in parallel to the first direction, the two pressing plates respectively press against one guide wheel, the first clamp plate and the second clamp plate respectively overcome the elastic force of the corresponding first elastic piece to be mutually abutted, and accordingly two adjacent first clamp half holes and second clamp half holes form a clamp through hole, and meanwhile, the third driving air cylinder drives a wire which is fixed by the holding positions of the pair of holding plates to pass through the clamp through hole and be clamped in the clamp through hole.
5. 5. The wire feeding device as claimed in claim 4, wherein the wire clamping mechanism further comprises a wire threading assembly, the wire threading assembly is arranged between the two wire clamping plates and the wire connecting plates, the wire threading assembly comprises a wire threading block, a wire threading detector and a fourth driving cylinder, the wire threading block is provided with a second wire threading groove communicated with the wire threading holes, the wire threading holes and the wire collecting grooves are the same in number, the fourth driving cylinder drives the wire threading block to lift so as to ensure that the wires pass through the wire threading holes and pass into the corresponding wire clamping through holes under the driving of the third driving cylinder, and each wire threading hole is provided with a wire threading detector which detects whether the wires pass through the wire threading holes accurately.
6. 6. The wire feeding device as claimed in claim 4, wherein the wire clamping mechanism further comprises a fifth driving cylinder and a mounting support plate, the mounting support plate is provided with a second guide rail facing the first side of the support plate, the support plate is provided with a second guide block in sliding connection with the second guide rail, and the fifth driving cylinder drives the support plate to lift so as to ensure that the wire accurately penetrates into the corresponding wire clamping through hole; The clamping mechanism comprises a third driver and a pair of clamping jaws, wherein the third driver is arranged on a second side surface of the mounting support plate, which is opposite to the first side surface, the third driver drives the pair of clamping jaws to be relatively close to or relatively far away from each other, so that the clamping mechanism can be used for clamping a workpiece to assemble a wire on the workpiece when the pair of clamping jaws are relatively close to each other, and the clamping jaws are relatively far away from each other after the wire is assembled on the workpiece, so that the workpiece is loosened to enable the workpiece to be transferred.
7. 7. The wire feeder of claim 6, wherein the wire feeding mechanism, the wire connecting mechanism, the wire pushing mechanism, the wire clamping mechanism and the clamping mechanism are two and each of the different mechanisms forms a wire feeding module, and the number of the wire feeding modules is two; The wire conveying device also comprises a turnover mechanism, the turnover mechanism turns and transfers the workpiece assembled by one wire conveying module to the other wire conveying module to accept the assembly again, the turnover mechanism comprises a movable plate, a sixth driving air cylinder, a rotation driver, a first rotation plate, a second rotation plate and a clamping component, the sixth driving air cylinder drives the movable plate to move along the direction parallel to the first direction, the movable plate supports the rotation driver, the second rotation plate is fixed with the first rotation plate, the rotation driver drives the first rotation plate to drive the second rotation plate to rotate, so that the workpiece clamped by the clamping mechanism of one wire conveying module can be rotationally transferred to the clamping mechanism of the other wire conveying module, the clamping component comprises a pair of fixedly connected clamping blocks and clamping jaws and a second elastic piece, the second elastic piece applies elastic force to a pair of clamping blocks which are close to each other, a third guide rail is arranged on the second rotating plate, the extending direction of the third guide rail is perpendicular to the extending direction of the first guide rail, the two clamping blocks are respectively connected with the third guide rail in a sliding way through a third guide block, a stress block is respectively arranged on the two clamping blocks, the free ends of the two clamping jaws are provided with tapered wedge-shaped parts, the two clamping jaws are driven by a sixth driving cylinder to move towards the direction approaching to the workpiece clamped by the pair of clamping jaws, when the pair of clamping jaws are relatively approaching under the driving of the third driver, the two clamping jaws are respectively separated from each other under the action of inclined planes of the two wedge-shaped parts while the workpiece is clamped by the pair of clamping jaws, so that the two clamping jaws are positioned outside the two clamped parts of the workpiece, after the wire is assembled on the workpiece, the two clamping jaws move in the direction away from the workpiece clamped by the pair of clamping jaws under the drive of the sixth driving cylinder, and when the pair of clamping jaws are relatively far away under the drive of the third driver, the two stressed blocks are gradually not subjected to the acting force of the inclined planes of the two wedge-shaped parts when the workpiece is loosened by the pair of clamping jaws, and the two clamping jaws are mutually close to each other under the action of the elastic force of the second elastic piece so as to clamp the two clamped parts of the workpiece, and the clamped workpiece can be rotated towards the other wire conveying module.
8. 8. The wire feeder of claim 7, wherein the flipping mechanism further comprises a third rotating plate and a seventh driving cylinder disposed at an end of the second rotating plate relatively far from the gripping assembly, wherein when the gripping assembly is rotated to a horizontal position by the rotating driver, two piston rods of the seventh driving cylinder are elongated so that wires already assembled to the workpiece enter a gap between the elongated two piston rods in a vertical direction, and during rotation of the wire following the workpiece, the two piston rods are elongated so as to prevent the wires from being biased, whereby the clamped workpiece is rotated to another wire feeding module so that wires in the other wire feeding module are further assembled to the workpiece, and the two piston rods are shortened so as to be elongated again for the next time.
9. 9. A liquid level sensor manufacturing apparatus comprising the wire feeding device according to any one of claims 1 to 8.

Description

Wire conveying device and liquid level sensor manufacturing equipment Technical Field The invention relates to the technical field of wire conveying, in particular to a wire conveying device and liquid level sensor manufacturing equipment. Background Wires are widely used in large numbers as a medium for current or signal transmission in a plurality of workpieces with electric components, and the reliability and the accuracy achieved by assembling the wires in a welding mode such as soldering are important for the high-quality work of the workpieces, so that high requirements are imposed on the reliability and the accuracy of conveying the wires to the electric components. Taking the existing contact type liquid level sensor as an example of a workpiece, the resistance value of the liquid level sensor can be changed relative to a contact on a reed of a resistance sheet, so that the output of a sensing signal is realized. The liquid level sensor is generally arranged in an oil tank of the fuel oil vehicle, and the oil level in the oil tank is obtained according to a sensing signal, so that the oil level of the vehicle is correspondingly indicated by the oil meter. The liquid level sensor comprises wires, a framework and a resistor, wherein the resistor is firstly assembled in the framework, then, a fixed end of each wire is conveyed to each preset wire end of the resistor, and the corresponding fixed ends and the preset wire ends are welded, assembled and fixed in a welding mode. However, in the prior art, for assembling the corresponding position of conveying the wires to the workpiece, the traditional manual mode is adopted, the conveying efficiency is extremely low, or the simple tool semi-automatic mode is adopted, the operator still needs a large participation degree, in addition, the operator bends the wires easily in the participation process, adverse effects are brought to the reliability and the accuracy of conveying the wires, and especially, for assembling a plurality of wires relative to the same workpiece, the tool semi-automatic mode needs to manually participate in the transfer of the relative positions of the workpiece and each wire, and it is difficult to ensure that each wire can be assembled with a plurality of different preset wire ends of the same workpiece in a high and accurate manner. In summary, the prior art has the technical problems of low conveying efficiency, and low assembly reliability and accuracy for the lead. Disclosure of Invention Aiming at the defects of low conveying efficiency, low assembly reliability and low assembly accuracy of the wires in the prior art, the invention provides a wire conveying device, which aims at realizing one purpose of the invention, and comprises a wire feeding mechanism, a wire feeding mechanism and a wire feeding mechanism, wherein the wire feeding mechanism comprises a driving component, a wire receiving component and a limiting component correspondingly matched with the wire receiving component, the wire receiving component is used for receiving the wires, and the limiting component limits the positions of the wires; the wire connecting mechanism comprises a wire connecting groove, a driving assembly, a wire pushing mechanism, a wire clamping mechanism and a clamping mechanism, wherein the driving assembly drives a wire to move to the upper side of the wire connecting groove, the limiting assembly releases limitation on the wire to enable the wire connecting groove to receive the wire which falls down, the wire pushing mechanism is used for fixing and pushing the wire located in the wire connecting groove, the wire clamping mechanism is used for clamping the wire pushed into the wire pushing mechanism, and the clamping mechanism is used for installing and clamping a workpiece to which the wire is assembled. Further, the driving assembly comprises a first driving cylinder and a first driving block which are in driving connection, a second driving cylinder and a second driving block which are in driving connection, a support, a driving arm, a wire lifting rod and a wire lifting arm, wherein the support is fixedly connected with the first driving block; the wire collecting assembly comprises a wire collecting block and a baffle, wherein the wire collecting block is provided with a wire collecting groove for collecting wires, the baffle is used for resisting the front end of the wires and is arranged at the tail end of the wire collecting groove, which is far away from the wire collecting groove, the limiting assembly comprises a first driver, a limiting block and a pair of limiting clamps which are oppositely arranged at two sides of the limiting block, a gap for the wires to enter can be formed between the limiting block and the adjacent limiting clamps, the first driver drives the side surfaces of the pair of limiting clamps which are relatively adjacent to each other to be relatively close to or relatively far away from each other, so that