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CN-224233120-U - Terminal feeding mechanism

CN224233120UCN 224233120 UCN224233120 UCN 224233120UCN-224233120-U

Abstract

The utility model discloses a terminal feeding mechanism, which comprises a second support frame, a ratchet wheel material stirring module, an alignment detection device, a first sensor and a second sensor, wherein the ratchet wheel material stirring module is arranged on the second support frame and used for pushing a terminal material belt to gradually move towards a terminal crimping module, the alignment detection device is arranged at the feeding end of the ratchet wheel material stirring module and used for detecting whether a terminal is in place, the first sensor and the second sensor are arranged at the feeding end of the ratchet wheel material stirring module and used for detecting whether the position of the terminal is correct in a matching mode, a guide groove used for positioning the terminal material belt is arranged on the second support frame, and the tooth distance of a ratchet wheel in the ratchet wheel material stirring module is equal to the hole distance of the terminal material belt. The ratchet wheel material shifting module is used for pushing the terminal material belt to move and feed, the ratchet wheel is matched and butted with the vacant position on the terminal, stable continuous feeding of the terminal material belt is guaranteed, whether the terminal is accurate in position or not is judged by detecting the vacant position through the alignment detection device, and the two ends of the terminal are detected simultaneously through the first sensor and the second sensor, so that the terminal is accurate in position, and the terminal is conveniently and correctly positioned in the punching position.

Inventors

  • WANG XIAOJING
  • HE YEFENG
  • HE YUNBO

Assignees

  • 深圳市日研精密机械有限公司

Dates

Publication Date
20260512
Application Date
20250526

Claims (8)

  1. 1. The terminal feeding mechanism is characterized by comprising a second supporting frame (41), a ratchet wheel stirring module (42) which is arranged on the second supporting frame (41) and used for pushing a terminal material belt (C) to move towards a terminal crimping module (5) step by step, an alignment detection device (43) which is arranged at the feeding end of the ratchet wheel stirring module (42) and used for detecting whether a terminal (A) is in place, and a first sensor (44) and a second sensor (45) which are arranged at the feeding end of the ratchet wheel stirring module (42) and used for detecting whether the position of the terminal (A) is correct in a matching mode, wherein a guide groove (411) used for positioning the terminal material belt (C) is arranged on the second supporting frame (41), and the tooth distance of a ratchet wheel (423) in the ratchet wheel stirring module (42) is equal to the hole distance of the terminal material belt (C).
  2. 2. A terminal feeding mechanism as set forth in claim 1, wherein said first sensor (44) and said second sensor (45) are normally open sensors and normally closed sensors, respectively, and are installed in parallel so as to detect both ends of the terminal (A) at the same time.
  3. 3. The terminal feeding mechanism as set forth in claim 1, wherein the guide groove (411) is provided with a slot (416) corresponding to the ratchet wheel (423), and one side of the second support frame (41) is provided with a slot (412) corresponding to the ratchet wheel (423).
  4. 4. The terminal feeding mechanism of claim 1, wherein the ratchet stirring module (42) comprises a first Z-axis sliding rail sliding block (421) vertically arranged on the second supporting frame (41), a first mounting plate (422) arranged on the first Z-axis sliding rail sliding block (421), a ratchet wheel (423) arranged below the guide chute (411) and used for stirring the terminal material belt (C), a first motor (424) arranged on the first mounting plate (422) and used for driving the ratchet wheel (423) to rotate, and a fourth cylinder (425) arranged on the second supporting frame (41) and used for pushing the first mounting plate (422) to drive the ratchet wheel (423) to contact and separate from the terminal material belt (C).
  5. 5. The terminal feeding mechanism of claim 4, wherein the ratchet wheel (423) and the first motor (424) are respectively located at two sides of the second supporting frame (41), a supporting shaft sleeve (426) for supporting the ratchet wheel (423) is sleeved on an output shaft of the first motor (424), the supporting shaft sleeve (426) penetrates through a hanging vertical plate (413) at the lower part of the second supporting frame (41), and a travel hole (414) for allowing the supporting shaft sleeve (426) to move up and down is formed in the hanging vertical plate (413).
  6. 6. The terminal feeding mechanism as set forth in claim 5, wherein the hanging vertical plate (413) is further provided with a photoelectric sensor (427) for detecting the number of rotation turns of the ratchet wheel (423), and the supporting shaft sleeve (426) is provided with an induction piece (428) capable of passing through the photoelectric sensor (427).
  7. 7. A terminal feeding mechanism according to any one of claims 1 to 6, wherein the second supporting frame (41) is provided with a limiting cover plate (415) covered on the guide chute (411), and the front end of the alignment detection device (43) is further provided with a locking device (46) for controlling the movement of the terminal material belt (C).
  8. 8. The terminal feeding mechanism as set forth in claim 7, wherein the locking device (46) comprises a limiting block (461) arranged at the side of the guide chute (411) and an elastic handle (462) for pushing the limiting block (461) to press and release the terminal material belt (C).

Description

Terminal feeding mechanism Technical field: The utility model relates to the field of automatic crimping and counting of terminals, in particular to a terminal feeding mechanism. The background technology is as follows: The FFC flexible flat cable is a novel data cable formed by laminating PET insulating materials and ultrathin tinned flat copper wires through a high-tech automation equipment production line, and has the advantages of softness, random bending and folding, thin thickness, small volume, simple connection, convenient disassembly, easy resolution of electromagnetic shielding (EMI) and the like. The cable is mainly suitable for connection between a mobile part and a main board in a computer host, between boards (PCB to PCB) and miniaturization. Most of the current printers use such FFC ribbon cables for connecting wires between printheads and computer motherboards, audio transmission lines, liquid crystal display lines, video driver lines, computer mainframe internal lines, plotter lines, signal transmission technology products, boards, and connections between boards. The FFC terminal pressing machine is an efficient automatic device special for FFC (flexible flat cable) termination processing, and metal terminals are precisely pressed onto conductors of an FFC cable through a precise die and a pressure control system to form stable electrical connection. For example, the utility model patent with the Chinese patent grant publication number of CN 217182614U discloses an FFC terminal pressing machine, which comprises a frame, an FFC wire paying-off mechanism, an automatic wire inlet straightening mechanism, an FFC wire automatic blanking module, a first CCD detection device, a first automatic translation mechanism, an FFC conductor automatic folding mechanism, a second CCD detection device, a second automatic translation mechanism, an automatic terminal pressing mechanism and an automatic material moving mechanism, wherein the FFC wire automatic blanking module is provided with a transversely extending branching knife and a longitudinally extending cutting knife, the branching knife is used for cutting adjacent conductors of the FFC wire according to a set length, the cutting knife is used for cutting the FFC wire according to a set length, the first CCD detection device is arranged corresponding to the FFC wire automatic blanking module so as to detect the position of the FFC wire relative to the FFC wire automatic blanking module before blanking, and through the arrangement of the FFC wire automatic blanking module, one step, the wire cutting, branching and one-time positioning can be realized, compared with the traditional two-time positioning, errors are reduced, and the efficiency is improved, and the mechanism on equipment is also facilitated to be simplified. However, the above patent has the following drawbacks: 1. The traditional mode is adopted for feeding and feeding the terminal, so that the efficiency is low, the feeding is unstable, and the crimping precision is poor; 2. The FFC wire adopts automatic paying-off, cutting and feeding, so that the universality is poor, the FFC wire adopts a grabbing mode to translate, the positioning accuracy is poor, and defective products are easy to generate; 3. lack detection mechanism when crimping the terminal, can't guarantee terminal and FFC line accurate butt joint. In view of this, the present inventors have proposed the following means. The utility model comprises the following steps: The utility model aims to overcome the defects of the prior art and provides a terminal feeding mechanism. In order to solve the technical problems, the terminal feeding mechanism adopts the following technical scheme that the terminal feeding mechanism comprises a second supporting frame, a ratchet wheel stirring module, an alignment detection device and a first sensor and a second sensor, wherein the ratchet wheel stirring module is arranged on the second supporting frame and used for pushing a terminal material belt to gradually move towards a terminal crimping module, the alignment detection device is arranged at the feeding end of the ratchet wheel stirring module and used for detecting whether a terminal is in place, the first sensor and the second sensor are arranged at the feeding end of the ratchet wheel stirring module and used for detecting whether the position of the terminal is correct in a matching mode, a guide groove used for positioning the terminal material belt is arranged on the second supporting frame, and the tooth distance of a ratchet wheel in the ratchet wheel stirring module is equal to the hole distance of the terminal material belt. Furthermore, in the above technical scheme, the first sensor and the second sensor are respectively a normally open sensor and a normally closed sensor, and are installed in parallel so as to detect two ends of the terminal at the same time. Furthermore, in the above technical scheme, the guide chute is p