CN-121253300-B - Automobile wire harness terminal tension testing device and detection method thereof

CN121253300BCN 121253300 BCN121253300 BCN 121253300BCN-121253300-B

Abstract

The invention relates to the technical field of mechanical sensors, and discloses an automobile wire harness terminal tension testing device and a testing method thereof, wherein the testing device comprises a testing table, a conveying table and a conveying table are respectively arranged on two sides of the testing table, a transmission device is arranged between the conveying table and the conveying table, the conveying table is provided with a detection device, the conveying table is provided with a fixing piece, the transmission device comprises a rotating piece and a clamping piece, and the detection device comprises a rotating piece, clamping jaws arranged on the periphery of the rotating piece, an adjusting piece for controlling the displacement of the clamping jaws, a tension sensor and a storage box. According to the invention, the transmission piece is arranged to individually transport the wire harness, the wire harness is tensioned, and the middle part of the wire harness is fixed through the fixing piece, so that the problem that the tension detection result between the wire harness and the terminal is inaccurate after the tension tester applies the maximum tension value to the wire harness because the tension applied by the tension machine is borne by the wire in an unfixed state of the wire harness is solved.

Inventors

TAN XIANJUN
TAN YUANYUAN
Zhou xiqi
LIAO XIAORONG
YAN SHICHEN
LUO HUIBIN

Assignees

苏州三佑禾电子科技有限公司

Dates

Publication Date: 20260508
Application Date: 20251016

Claims (8)

1. The tension testing device for the automobile wire harness terminal comprises a testing table and is characterized in that a conveying table and a conveying table are respectively arranged on two sides of the testing table, a transmission device is arranged between the conveying table and the conveying table, a detection device is arranged on the conveying table, a fixing piece is arranged on the conveying table, and the detection device is matched with the fixing piece; The transmission device comprises a rotating piece and a clamping piece, the conveying table is arranged at one side of the clamping piece and is arranged below the clamping piece, the conveying table conveys the wire harness to the clamping piece, the clamping piece clamps and tightens the wire harness, and the rotating piece conveys the clamped wire harness to one side of the conveying table; The wire harness clamping device comprises a fixing piece, clamping jaws, a tension sensor and a storage box, wherein the fixing piece is used for fixing clamped wire harnesses, terminals at two ends of the wire harnesses are located at two sides of the fixing piece, a conveying table is used for driving the fixing piece and the wire harnesses to be conveyed to the bottom of a detection device, the detection device comprises a rotating piece, clamping jaws arranged on the periphery of the rotating piece, an adjusting piece for controlling the displacement of the clamping jaws, the tension sensor and the storage box, the adjusting piece is used for driving the clamping jaws to move to the fixing piece, so that the two clamping jaws are respectively located at the joint between the wire harnesses and the terminals, the two clamping jaws are driven to move to two sides through the adjusting piece, the tension sensor is used for detecting the wire harnesses, the unqualified wire harnesses are stored in the storage box, and the qualified wire harnesses are conveyed through the conveying table and the fixing piece; The fixing piece comprises a pair of clamping plates, a plurality of fixing tables are uniformly and fixedly connected to the conveying belt, guide grooves are formed in the fixing tables, two clamping plates are respectively and slidably arranged at two ends of the guide grooves, a third bidirectional screw rod is rotatably connected in the guide grooves through bearings, the two clamping plates are respectively positioned at two ends of the third bidirectional screw rod and are in threaded connection with the third bidirectional screw rod, a sixth motor is fixedly connected to the fixing tables, the output end of the sixth motor is fixedly connected with the third bidirectional screw rod, and a collecting bin is fixedly connected to the bottom of the test table; The utility model provides a clamping jaw clamping device comprises a rotating table, including adjusting part, including the movable rod, a plurality of guide slots have been seted up on the revolving stage surface, two the movable rod is located the guide slot both ends respectively and with revolving stage sliding connection, be connected with fourth bi-directional screw through the bearing rotation in the guide slot, movable rod and fourth bi-directional screw threaded connection, revolving stage one side fixedly connected with servo motor, servo motor output and fourth bi-directional screw one end fixed connection, receiver and revolving stage fixed connection, two the movable rod is located the receiver both sides respectively, the spacing groove has been seted up to the movable rod bottom, the movable rod bottom is provided with articulated seat, articulated seat top fixedly connected with gag lever post, the gag lever post is slided and is located the spacing inslot, movable rod one side fixedly connected with second cylinder, second cylinder output and articulated seat fixed connection, articulated seat bottom articulates there is the articulated piece, articulated seat one side fixedly connected with eighth motor output and articulated piece fixed connection, tension sensor fixed mounting is in articulated piece bottom, opposite side fixed mounting is one side, two clamping jaw fixed connection, two clamping jaw openings are through torsional spring and two clamping jaw swing joint.
2. The automobile wire harness terminal tension testing device according to claim 1, wherein the conveying table comprises a conveying belt, conveying rollers are rotatably connected to two sides of the testing table through bearings, the conveying belt is sleeved on the conveying rollers, two first gears are rotatably connected to the testing table through bearings, one of the first gears is fixedly connected with one end of one of the conveying rollers, a first motor is fixedly connected to the testing table, the output end of the first motor is fixedly connected with the other first gear, and first toothed belts meshed with the first gears are sleeved on the peripheries of the two first gears.
3. The automobile wire harness terminal tension testing device is characterized in that the conveying table comprises a conveying belt, conveying rollers are rotatably connected to two sides of the testing table through bearings, the conveying belt is sleeved on the conveying rollers, two second gears are rotatably connected to the testing table through bearings, one of the second gears is fixedly connected with one end of one conveying roller, a second motor is fixedly connected to the testing table, the output end of the second motor is fixedly connected with the other second gear, second toothed belts which are in meshed connection with the second gears are sleeved on the peripheries of the two second gears, and a plurality of fixing pieces are uniformly and fixedly installed on the conveying belt.
4. The automobile wire harness terminal tension testing device according to claim 3, wherein the rotating piece comprises a rectangular table, fixing rods are fixedly connected to two ends of the rectangular table, two ends of the fixing rods are rotatably connected with the testing table through bearings, two third gears are rotatably connected to the testing table through bearings, a third motor is fixedly connected to the testing table, the third motor is fixedly connected with one of the third gears, the other third gear is fixedly arranged on the periphery of the fixing rods, and third toothed belts in meshed connection with the third gears are sleeved on the periphery of the two third gears.
5. The device for testing the tensile force of the automobile wire harness terminal according to claim 4, wherein the clamping piece comprises a movable plate, two ends of one side of the rectangular table are fixedly connected with fixed plates, sliding grooves are formed in the fixed plates, two ends of the movable plate are slidably arranged in the sliding grooves, an inner groove is formed in one side of the rectangular table, a first air cylinder is fixedly connected in the inner groove, and an output end of the first air cylinder is fixedly connected with one side of the movable plate.
6. The device for testing the tensile force of the automobile wire harness terminal according to claim 5, wherein the clamping piece further comprises a pair of clamping plates, a sliding groove is formed in one side of the moving plate, rectangular blocks are slidably arranged on two sides in the sliding groove, a first bidirectional screw is rotatably connected in the sliding groove through bearings, two rectangular blocks are respectively located at two ends of the first bidirectional screw and are in threaded connection with the first bidirectional screw, a fourth motor is fixedly connected to one side of the moving plate, the output end of the fourth motor is fixedly connected with one end of the first bidirectional screw, a vertical groove is formed in one side of the rectangular block, two clamping plates are slidably arranged at two ends of the vertical groove respectively, a second bidirectional screw is rotatably connected in the vertical groove through bearings, two clamping plates are respectively located at two ends of the second bidirectional screw and are in threaded connection with the second bidirectional screw, a fifth motor is fixedly connected to the top of the rectangular blocks, and the output end of the fifth motor is fixedly connected with one end of the second bidirectional screw.
7. The device for testing the tensile force of the automobile wire harness terminal according to claim 6, wherein the rotating member comprises a rotating table, two vertical plates are fixedly connected to the testing table, connecting rods are fixedly connected to two ends of the rotating table, the connecting rods are rotatably connected with the vertical plates through bearings, a seventh motor is fixedly connected to one side of each vertical plate, and the output end of each seventh motor is fixedly connected with one end of each connecting rod.
8. A detection method, characterized in that the tensile testing device for the automobile wire harness terminal is applied according to any one of claims 1-7, and comprises the following specific steps: The wire harness is placed on the transportation table, the transportation table drives the wire harness to move forward, when the wire harness is transported to one side of the clamping piece, the clamping piece moves towards the wire harness direction and grabs the wire harness, after the clamping piece grabs the wire harness, the clamping piece moves and drives the clamping piece and the wire harness to rotate towards the direction of the conveying table, in the rotating process, the clamping piece drives two ends of the wire harness to move towards two sides, so that the middle part of the wire harness is in a tensioning state, when the clamping piece drives the clamping piece to be located on one side of the fixing piece, the clamping piece drives the wire harness with the middle part in the tensioning state to move towards the direction of the fixing piece, the fixing piece clamps and fixes the whole wire harness middle part, and the position between the wire harness and the terminal is empty, then the conveying table drives the fixing piece and the wire harness to move forward, after the fixing piece and the wire harness move to the bottom of the detection device, the clamping jaw is grabbed towards two sides through the clamping jaw, so that the position between the wire harness and the terminal is in the clamping jaw, then the two ends are respectively moved towards two sides through the adjusting piece, tension test is carried out on the position between the wire harness and the terminal, the wire harness is detected through the setting of the tension sensor, when the wire harness is qualified, the wire harness is transported, the wire harness is received in the qualified and the qualified storage box is not is received, and the wire harness is not is received in the qualified and is received, and is not qualified, and is received, and when the wire harness is not is received.

Description

Automobile wire harness terminal tension testing device and detection method thereof Technical Field The invention relates to the technical field of mechanical sensors, in particular to an automobile wire harness terminal tension testing device and a detection method thereof. Background The wire harness tensile force tester is a device for detecting the pulling-out force and the stripping force of products such as wire harnesses, terminals, plugs and the like, is suitable for testing the mechanical properties of materials in the industries such as building materials, aerospace, mechanical manufacturing, automobile manufacturing and the like, supports various test types such as stretching, compression, bending, shearing, bursting and the like, can test the tensile strength, deformation rate, breaking force, tear resistance, heat sealing strength performance, roller stripping test, 90-degree stripping, 180-degree stripping, rope breaking force, trouser tearing force and the like, and is used for applying axial tensile force to the connection part of the terminals and the wires through a tensile machine until the applied tensile force value is at the maximum tensile force value, and the connection part between the terminals and the wires is not broken and damaged, namely is a qualified product, otherwise, is a disqualified product; The conventional tension tester is characterized in that the wire harness is manually placed on the tension machine, tension is directly applied to the connection part between the two ends of the wire harness and the terminals through the tension machine, the wire part of the wire harness is in an unfixed state, and the tension part applied by the tension machine is borne by the wire, so that after the tension tester applies the maximum tension value to the wire harness, the tension detection result between the wire harness and the terminals is inaccurate, and the manually operated tension tester is difficult to realize the functions of continuous wire harness detection and wire harness classification collection. Disclosure of Invention In order to solve the technical problems, the invention provides the following technical scheme: The automobile wire harness terminal tension testing device comprises a testing table, wherein a conveying table and a conveying table are respectively arranged on two sides of the testing table, a transmission device is arranged between the conveying table and the conveying table, a detection device is arranged on the conveying table, a fixing piece is arranged on the conveying table, and the detection device is matched with the fixing piece; The transmission device comprises a rotating piece and a clamping piece, the conveying table is arranged at one side of the clamping piece and is arranged below the clamping piece, the conveying table conveys the wire harness to the clamping piece, the clamping piece clamps and tightens the wire harness, and the rotating piece conveys the clamped wire harness to one side of the conveying table; The utility model provides a wire harness is fixed after the mounting is to the centre gripping, and makes the terminal at wire harness both ends be located the mounting both sides, carry platform drive mounting and wire harness transportation to detection device bottom, detection device includes the rotating member, locates clamping jaw, control clamping jaw displacement's regulating part, tension sensor and receiver around the rotating member, the regulating part drives clamping jaw and removes to the mounting, so that two clamping jaw is located the junction between wire harness and the terminal respectively, and pass through the regulating part drives two clamping jaws and removes to both sides, pass through tension sensor detects the wire harness, and accomodates unqualified wire harness in the receiver, through carry platform and mounting are transported qualified wire harness. Preferably, the transport table comprises a transport belt, two sides of the test table are rotatably connected with transport rollers through bearings, the transport belt is sleeved on the transport rollers, two first gears are rotatably connected to the test table through bearings, one of the first gears is fixedly connected with one end of one of the transport rollers, a first motor is fixedly connected to the test table, the output end of the first motor is fixedly connected with the other of the first gears, and the two first gears are sleeved with first toothed belts in meshed connection with the first gears. Preferably, the conveying table comprises a conveying belt, conveying rollers are rotatably connected to two sides of the testing table through bearings, the conveying belt is sleeved on the conveying rollers, two second gears are rotatably connected to the testing table through bearings, one of the second gears is fixedly connected with one end of one conveying roller, a second motor is fixedly connected to the testing table, the outp