A wire harness assembly quality detection device and detection method thereof

Abstract

The invention belongs to the technical field of wire harness quality detection equipment, and discloses a wire harness assembly quality detection device and a detection method thereof, comprising a base box, wherein two symmetrically distributed rotating frames are rotatably connected inside the base box, an adjusting double-headed screw is rotatably connected between the two rotating frames, two symmetrically distributed sliding sleeve frames are slidably connected to the adjusting double-headed screw, the sliding sleeve frames are threadedly connected to the adjusting double-headed screw, a rotating turntable is rotatably connected to the sliding sleeve frames, a plurality of equicircularly distributed circular ring frames are connected to the rotating turntable, the circular ring frames on different rotating turntables are symmetrically distributed, a wiring disk is connected inside the circular ring frames, a plurality of equicircularly distributed test ports are connected to the wiring disk, an adjusting screw rod is coaxially penetrated inside two limit shaft disks, the adjusting screw rod is rotatably connected to the rotating frame, two symmetrically distributed sliding sleeve frames are threadedly connected to the adjusting screw rod, and the sliding sleeve and the limit shaft disk are slidably connected; and the invention has strong practicality.

Description

Technical Field

[0001] The invention relates to the technical field of wire harness quality detection equipment, in particular to a wire harness assembly quality detection device and a detection method thereof. Background Art

[0002] A wiring harness usually consists of a wire and multiple wiring harness terminals at both ends of the wire. Nowadays, different parts between many products need to be connected through wiring harnesses. The application range of wiring harnesses is very wide, including automobiles, household appliances, computers, mobile phones, electronic instruments, etc. Taking the automotive wiring harness as an example, the automotive wiring harness is the main body of the automotive circuit and can connect various electrical equipment. The requirements for materials of automotive wiring harnesses are very strict, including their electrical properties, material dispersion, temperature resistance, etc. Especially in the production process of automotive wiring harnesses, it is necessary to test their conductivity to ensure that there is no short circuit in the wiring harness.

[0003] A Chinese patent with application number CN202311572189.7 discloses a new energy vehicle wiring harness detection device. The present invention places the wiring harness on the mounting block by the staff, and the wires and interfaces at both ends of the wiring harness fall onto the push plate, so that the push plate pushes the interface and inserts the interface into the detection port on the detection mechanism, thereby replacing the step of manually inserting the interface into the detection port; the present invention detects the model of the interface by setting a sliding block, a No. 1 detection block, a No. 2 detection block and a detection pressure sensor, so that the sliding block moves up and down, and the corresponding detection port is changed, so that the present invention can be applied to wiring harnesses using different interfaces, thereby improving the use effect of the present invention. At the same time, the No. 1 block on the combing block moves along the push plate, so that the combing plate and the extrusion plate on the No. 1 block respectively press the wires of the wiring harness, and gradually discharge one wire, so that the discharged wire is located on the push plate, thereby ensuring that there is and only one wire on each push plate, thereby ensuring that the present invention can automatically detect.

[0004] The Chinese patent application number CN202311240414.7 discloses an automotive wiring harness detection device. In the present invention, the first clamping assembly on the positioning ring can clamp and fix the connector end of the wiring harness. The wiring harness passes through the first rotating ring and the second rotating ring through the first groove, and its tail end extends between the first inner circle and the second outer ring. The tail end of the wiring harness can be clamped and fixed by the inner mold and the outer mold. The inner mold and the outer mold can seal the tail end of the wiring harness, and then the wiring harness is inflated for testing. The wiring harness can be bent by rotating the first rotating ring and the second rotating ring, so as to perform a wiring harness bending test. A wear-resistant detection device is provided between the first rotating ring and the second rotating ring, so as to perform a wear resistance test on the wiring harness. The positioning ring is driven to move by the first telescopic rod, so that the wiring harness can be stretched, and then the wiring harness joint stretching test can be realized. The automotive wiring harness detection device of the present invention only needs a single clamping to realize air tightness detection, bending detection, wear resistance detection and wiring harness joint stretching detection, thereby improving the detection efficiency. However, the following problems still exist in practical applications, specifically:

[0005] 1. In the process of testing the wire harness, most of the tests are on the surface, bending and wear resistance of the wire harness. In the process of testing the conductivity of the wire harness, most of the tests are carried out on a single wire harness, and the operator manually connects the port and the test port, which is cumbersome and labor-intensive.

[0006] 2. In the process of multiple detection of wiring harnesses, although the wiring harnesses can be detected synchronously, the wiring harnesses need to be installed before detection. After the detection is completed, the detected wiring harnesses need to be disassembled before the remaining wiring harnesses can be detected, which leads to low detection efficiency;

[0007] 3. Although the conductivity of the wiring harness can be tested, it is not possible to effectively mark the defective products. After the test, the wiring harness cannot be effectively classified and collected, and the wiring harness cannot be effectively identified.

[0008] Therefore, the present invention provides a wire harness assembly quality detection device and a detection method thereof to solve the above problems. Summary of the invention

[0009] In view of the above situation, in order to overcome the defects of the prior art, the present invention provides a wire harness assembly quality inspection device and its inspection method, which effectively solves the problem of synchronously detecting the electrical conductivity of multiple groups of wire harnesses, can realize simultaneous loading, inspection and unloading, as well as effectively mark defective products and effectively fix and limit the wire harnesses.

[0010] The present invention is a wire harness assembly quality inspection device, comprising a base box, wherein two symmetrically distributed rotating frames are rotatably connected inside the base box, wherein the rotating frames are connected to an intermittent drive structure connected inside the base box, an adjusting double-headed screw is rotatably connected between the two rotating frames, wherein the adjusting double-headed screw is connected to a control motor connected inside the base box, wherein two symmetrically distributed sliding sleeves are slidably connected to the adjusting double-headed screw, wherein the sliding sleeves are threadedly connected to the adjusting double-headed screw, wherein the sliding sleeves are rotatably connected to a rotating turntable, wherein the rotating turntable is connected to a plurality of equicircumferentially distributed sliding sleeves. The circular frame of the cloth is symmetrically distributed on the circular frame different from the rotating turntable, the circular frame is connected with a wiring disk inside, the wiring disk is connected with a plurality of test ports with equal circumferential distribution, the test port is connected to the control module connected to the base box, the wiring disks are coaxially fixedly connected with the limited shaft disk, the two limited shaft disks are coaxially connected with an adjusting screw rod inside, the adjusting screw rod is rotatably connected with the rotating frame, the adjusting screw rod is threadedly connected with two symmetrically distributed sliding sleeves, the sliding sleeve is slidably connected with the limited shaft disk, and the adjusting screw rod is connected with an external driving structure;

[0011] A sliding limit plate is coaxially slidably connected to the limit shaft disc, the sliding limit plate and the limit shaft disc are connected by a spring, a sliding push rod in contact with the sliding limit plate is connected to the sliding sleeve, the sliding push rod passes through the limit shaft disc, a plurality of arcuate limit slots with equal circumferential distribution are provided on the sliding limit plate, the arcuate limit slots correspond to the test ports one by one, a wiring harness is arranged between two corresponding arcuate limit slots, both ends of the wiring harness are connected to wiring harness connectors arranged inside the arcuate limit slots, and the wiring harness connector cooperates with the arcuate limit slots.

[0012] Preferably, the intermittent drive structure includes a driving column rotatably connected to the base box, the driving column is fixedly connected to the rotating frame, a circular track is provided on the driving column, a sliding sleeve is coaxially slidably connected to the driving column, a sliding pin matching the circular track is fixedly connected to the inner wall of the sliding sleeve, the sliding sleeve is threadedly connected to a reciprocating screw rod rotatably connected to the inside of the base box, and the reciprocating screw rod is connected to a driving motor connected to the inside of the base box.

[0013] Preferably, the adjusting screw is connected to a primary electric-controlled gear, the inner wall of the primary electric-controlled gear is provided with a plurality of primary limit rails with equal circumferential distribution, the primary limit rail is internally slidably connected with a limiting arc plate, the primary limit rail is internally fixedly connected with an electromagnet, the adjusting screw is provided with a primary limit groove matching with the primary limit rail, the base box is internally fixedly connected with a limiting internal gear ring, the sliding push rod is fixedly connected with a pressure sensor at one end in contact with the limiting shaft disk, and the pressure sensor is connected to the electromagnet.

[0014] Preferably, the sliding limit plate is rotatably connected to a plurality of semicircular liquid storage bins which are coaxially corresponding to the arc-shaped limit slots, and the semicircular liquid storage bins are fixedly connected to a plurality of sleeve tubes, and the sleeve tubes are coaxially slidably connected to the insides of the sleeve tubes, and the marking pens are in contact with the surface of the wiring harness;

[0015] The semicircular liquid storage bin is connected to the liquid injection bin connected to the sliding limit plate, the liquid injection bin is connected to a sliding piston plate via a spring, the sliding piston plate is in contact with the inner wall of the semicircular liquid storage bin, the liquid injection bin is connected to a liquid inlet valve, and the liquid inlet valve is connected to an external liquid supply device;

[0016] A semi-gear ring is coaxially fixedly connected to the semicircular liquid storage tank, and the semi-gear ring is meshed with a driving pinion rotatably connected to the sliding limit plate, and the driving pinion is coaxially connected to a rotating shaft rotatably connected to the sliding limit plate through a one-way bearing, and the driving pinion is connected to the sliding limit plate through a torsion spring, and the rotating shaft is coaxially connected to a secondary electric control gear, and the connection method of the secondary electric control gear and the rotating shaft is the same as the connection method of the primary electric control gear and the adjusting screw rod;

[0017] The sliding limit plate is coaxially rotatably connected with a limit gear ring meshing with the secondary electric control gear, and the limit gear ring is externally connected to a driving source.

[0018] Preferably, the limiting toothed ring is coaxially fixedly connected with an inner toothed ring, an adjusting gear is meshed beside the inner toothed ring, the adjusting gear is coaxially fixedly connected with a telescopic rod passing through the wiring board, and the telescopic rod is rotatably connected with the rotating frame;

[0019] The telescopic rod and the marking gear rotatably connected to the rotating frame are connected through a chain transmission mechanism, and the marking gear is meshed with the marking gear ring fixedly connected to the inside of the base box.

[0020] Preferably, the side wall of the arc-shaped limit slot is provided with two symmetrically distributed sliding rails, the interior of the sliding rail is slidably connected with a limit arc-shaped clamping plate, and the limit arc-shaped clamping plate and the sliding rail are connected via a spring;

[0021] An arc-shaped clamping block is fixedly connected to one side of the arc-shaped limiting clamping groove close to the axis of the sliding limiting disk, and an arc-shaped clamping groove matching with the arc-shaped clamping block is provided on the wiring harness connector.

[0022] Preferably, a touch rod is fixedly connected to the wiring board, a contact sensor is fixedly connected to the touch rod, and the contact sensor is connected to the control motor.

[0023] A detection method for a wire harness assembly quality detection device comprises the following steps:

[0024] Step 1: placing the assembled wiring harness inside the two arc-shaped limit card slots, and loading the assembled wiring harness into the arc-shaped limit card slots on the same group of sliding limit plates;

[0025] Step 2: Start the driving motor, the driving column rotates to drive the rotating frame to rotate 120 degrees, and during the ascending and rotating process of the wiring harness, the electromagnet is energized, and the adjusting screw drives the sliding sleeve to slide in the opposite direction under the action of the limiting inner gear ring and the primary electric control gear, so as to achieve the tensioning of the wiring harness. After the tensioning is completed, the primary electric control gear is released and idling;

[0026] Step 3: After the rotating frame rotates 120 degrees, the control motor drives the adjusting double-headed screw, and the adjusting double-headed screw rotates to achieve reverse sliding of the rotating turntable, thereby driving the wiring board to slide synchronously, so as to achieve the matching of the test port and the wiring harness connector;

[0027] Step 4: When unqualified products appear during the inspection process, the corresponding secondary electronically controlled gear is started to drive the semicircular liquid storage tank to mark the unqualified wiring harness;

[0028] Step 5: After the detection is completed, the rotating frame rotates 120 degrees to achieve alternate detection of different groups of wiring harnesses.

[0029] The present invention improves the existing detection device for wire harness assembly quality and has the following beneficial effects:

[0030] 1. Effectively realize the problem of synchronous detection of multiple wiring harnesses and automatic combination and plugging of test ports and wiring harness connectors;

[0031] 2. The three sets of circular frames, wiring trays, drive columns, circular tracks, sliding sleeves and reciprocating screw rods are set up to effectively solve the problem of simultaneous loading and unloading of wire harnesses and electrical performance testing, while improving the efficiency of wire harness quality testing;

[0032] 3. The problem of driving different adjusting screw rods separately is effectively solved by setting up the first-level electric control gear, the first-level limit rail, the limit arc plate, the electromagnet, the pressure sensor and other structures;

[0033] 4. The problem of marking defective products is solved by setting up a semicircular liquid storage tank, a sleeve tube, a marking pen, a liquid injection tank, a sliding piston plate, a half-toothed ring, a driving pinion and other structures. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] Figure 1 It is a three-dimensional schematic diagram of the present invention.

[0035] Figure 2 It is a schematic diagram of the internal structure of the present invention.

[0036] Figure 3 It is a schematic diagram of the rotating frame and its connecting parts of the present invention.

[0037] Figure 4 For the present invention Figure 3 A partial enlarged schematic diagram in the middle.

[0038] Figure 5 It is a schematic diagram of the driving structure of the sliding limit plate of the present invention.

[0039] Figure 6 For the present invention Figure 5 A partial enlarged schematic diagram of point B in the middle.

[0040] Figure 7 It is a schematic diagram of the adjusting screw rod and its connecting parts of the present invention.

[0041] Figure 8 For the present invention Figure 7 A partial enlarged schematic diagram of point C in the middle.

[0042] Fig. 9 It is a schematic diagram of the sliding limit plate and its connecting parts of the present invention.

[0043] Fig.10 It is a cross-sectional schematic diagram of the sliding limit plate and its connecting parts of the present invention.

[0044] Fig.11 It is a three-dimensional schematic diagram of the wiring harness connector of the present invention.

[0045] Fig.12 It is a cross-sectional schematic diagram of the primary electronically controlled gear and its connecting parts of the present invention.

[0046] Figure numerals: 1, base box; 2, rotating frame; 3, adjusting double-headed screw; 4, sliding sleeve frame; 5, rotating turntable; 6, circular ring frame; 7, wiring board; 8, test port; 9, control module; 10, limit shaft disk; 11, adjusting screw rod; 12, sliding sleeve frame; 13, sliding limit disk; 14, sliding push rod; 16, arc limit slot; 17, wiring harness; 18, wiring harness connector; 19, driving column; 20, circular track; 21, sliding sleeve; 22, reciprocating screw rod; 23, primary electric control gear; 24, primary limit rail; 25, limit arc plate; 26, electromagnet; 27, primary limit slot; 28, limit inner gear ring; 29, semicircular liquid storage tank; 30, sleeve tube; 31, marking pen; 32, liquid filling tank; 33 , sliding piston plate; 34, liquid inlet valve; 35, half gear ring; 36, driving pinion; 37, transfer shaft; 38, secondary electric control gear; 39, limit gear ring; 40, internal gear ring; 41, adjustment gear; 42, telescopic rod; 43, identification gear; 44, identification gear ring; 45, sliding rail; 46, limit arc clamp; 47, arc block; 48, arc slot; 49, touch rod; 50, contact sensor. DETAILED DESCRIPTION

[0047] The above and other technical contents, features and effects of the present invention are described in detail below with reference to the attached Figures 1 to 12 The detailed description of the embodiments will clearly show that the structural contents mentioned in the following embodiments are all based on the drawings in the specification.

[0048] Exemplary embodiments of the present invention will be described below with reference to the accompanying drawings.

[0049] The present invention is a wire harness 17 assembly quality inspection device and its inspection method, comprising a base box 1, the base box 1 provides a fixed support foundation for subsequent structures, and at the same time plays a role in protecting the internal structure, the base box 1 is connected with a switch door, the base box 1 is internally rotatably connected with two symmetrically distributed rotating frames 2, one of the rotating frames 2 is connected to an intermittent drive structure connected to the inside of the base box 1, the intermittent drive structure is a conventional intermittent rotation mechanism, an adjusting double-headed screw 3 is rotatably connected between the two rotating frames 2, the intermittent rotation of the rotating frame 2 is achieved through the intermittent drive structure, and the two rotating frames 2 are The frame 2 rotates synchronously and intermittently, the adjusting double-headed screw 3 is connected to the control motor connected to the inside of the base box 1, and the adjusting double-headed screw 3 is driven by the rotation of the control motor. The adjusting double-headed screw 3 is slidably connected to two symmetrically distributed sliding sleeve frames 4, and the sliding sleeve frames 4 are threadedly connected to the adjusting double-headed screw 3. The rotation of the adjusting double-headed screw 3 drives the two sliding sleeve frames 4 to slide in opposite directions, thereby realizing the adjustment of the distance between the two sliding sleeve frames 4, and the sliding sleeve frames 4 are rotatably connected to a rotating turntable 5, and the rotating turntable 5 is slidably connected to the rotating frame 2. 5 is connected to a plurality of circular frames 6 with equal circumference distribution, and the circular frames 6 on the rotating turntable 5 are symmetrically distributed. The circular frames 6 are connected to wiring disks 7 inside, and the wiring disks 7 are fixedly connected to the circular frames 6. The wiring disks 7 are connected to a plurality of test ports 8 with equal circumference distribution, and the test ports 8 are connected to a control module 9 connected to the base box 1. The detection of the wiring harness 17 is realized through two relative test ports 8, and then the detection of the quality of the wiring harness 17 after assembly is realized. At the same time, the collection of the assembly quality information of the wiring harness 17 is realized through the control module 9. The wiring disks 7 are all coaxially fixedly connected to the limited axis disk 10. The two limit shaft discs 10 are coaxially connected with an adjusting screw rod 11, which is rotatably connected to the rotating frame 2. When the rotating frame 2 rotates, the annular frame 6, the wiring plate 7, the adjusting screw rod 11 and the limit shaft disc 10 are driven to rotate synchronously. Two symmetrically distributed sliding sleeves 12 are threadedly connected to the adjusting screw rod 11, and the sliding sleeves 12 are slidably connected to the limit shaft disc 10. The adjusting screw rod 11 is connected to an external driving structure, and the two sliding sleeves 12 are driven to slide in the opposite direction during the rotation of the adjusting screw rod 11, thereby adjusting the distance between the two sliding sleeves 12;

[0050] The limiting shaft disc 10 is coaxially slidably connected with a sliding limiting disc 13, and the sliding limiting disc 13 slides coaxially on the limiting shaft disc 10. The sliding sleeve 12 is connected with a sliding push rod 14 in contact with the sliding limiting disc 13. When the sliding sleeve 12 slides, the sliding push rod 14 is driven to slide synchronously. The sliding push rod 14 pushes the sliding limiting disc 13, and then under the action of the spring and the sliding push rod 14, the distance between the sliding limiting discs 13 is adjusted. The sliding push rod 14 runs through the limiting shaft disc 10, and the sliding limiting disc 13 is provided with a plurality of arc-shaped limiting card grooves 16 with equal circumferential distribution. The arc-shaped limiting card grooves 16 correspond to the test ports 8 one by one, and the corresponding two arc-shaped limiting card grooves 16 are connected to the test ports 8 one by one. A wiring harness 17 is placed between the slots 16, and both ends of the wiring harness 17 are connected to the wiring harness 17 connectors placed inside the arc-shaped limit slot 16. The wiring harness 17 connector and the arc-shaped limit slot 16 cooperate with each other, and the wiring harness 17 and the wiring harness 17 connector are limited by two relative arc-shaped limit slots 16, and then the straightening and tensioning of the wiring harness 17 is achieved by adjusting the distance between the two sliding limit plates 13. After the wiring harness 17 is tensioned, the adjusting double-headed screw 3 is started, and the adjusting double-headed screw 3 is rotated to adjust the distance between the two sliding sleeves 4, so that the test port 8 and the corresponding wiring harness 17 connector are coordinated, so as to detect the quality of the assembled wiring harness 17, and collect and record the test results through the control module 9.

[0051] In the specific implementation of this embodiment, the switch door is first opened, and then the assembled wire harness 17 is placed inside the two opposite arc-shaped limit slots 16 close to one side of the switch door, and the intermittent drive structure is started to rotate the rotating frame 2 120 degrees to the uppermost end, and at the same time, the driving source of the adjusting screw rod 11 is started, and the adjusting screw rod 11 rotates to achieve the tensioning of the wire harness 17. The position of the tensioned wire harness 17 is fixed. After the rotating frame 2 rotates 120 degrees, the control motor is started to drive the adjusting double-headed screw rod 3, thereby achieving the adjustment of the sliding The driving of the sleeve 4 causes the wiring board 7 to slide toward the corresponding side of the sliding limit plate 13, so that the test port 8 and the connector of the wiring harness 17 are matched, and then the power-on status of the wiring harness 17 is detected and recorded through the control module 9. While detecting the wiring harness 17 at the uppermost end, another group of wiring harnesses 17 is placed on the sliding limit plate 13 close to the switch door. The rotating frame 2 rotates intermittently to detect different groups of wiring harnesses 17. At the same time, the loading, testing and unloading of multiple groups of wiring harnesses 17 quality testing are ensured to be carried out synchronously, thereby improving work efficiency.

[0052] In order to realize the intermittent rotation drive of the rotating frame 2, at the same time, the number of the circular frame 6 in this embodiment is three groups, so the rotating frame 2 needs to be intermittently rotated 120 degrees, and the intermittent drive structure includes a driving column 19 rotatably connected to the base box 1, the driving column 19 is fixedly connected to the rotating frame 2, and a circular track 20 is provided on the driving column 19. A sliding sleeve 21 is coaxially slidably connected to the driving column 19, and the inner wall of the sliding sleeve 21 is fixedly connected to a sliding pin that matches the circular track 20. The sliding sleeve 21 is rotatably connected to the base box 1. The internal reciprocating screw rod 22 is threadedly connected, and the reciprocating screw rod 22 is connected to the driving motor connected to the inside of the base box 1. The rotation of the driving motor drives the reciprocating screw rod 22 to rotate, and the rotation of the reciprocating screw rod 22 drives the sliding sleeve 21 to slide back and forth. During the reciprocating sliding process of the sliding sleeve 21, under the cooperation of the circular track 20 and the sliding pin, the driving column 19 intermittently rotates 120 degrees, thereby realizing 120-degree intermittent driving of the rotating frame 2, ensuring that the wiring harness 17 can be smoothly placed in the corresponding arc-shaped limit slot 16, ensuring the loading and unloading time and stability.

[0053] In order to realize the driving of the adjusting screw rod 11 during the rotation process of the rotating frame 2, realize the separate driving of different adjusting screw rods 11, avoid that only one set of the wiring disk 7 and the sliding limit disk 13 cooperate in the sliding process of the wiring disk 7, realize the detection of the wiring harness 17 on the single set of the sliding limit disk, ensure the stability of the detection and avoid the signal transmission disorder, and realize the connection of other wiring harnesses 17 to the inside of other sliding limit disks 13 while detecting one set of wiring harnesses 17, so the adjusting screw rod 11 is connected with a primary electric control gear 23, and the primary electric control gear 2 The inner wall is provided with a plurality of primary limit rails 24 with equal circumference distribution, the primary limit rails 24 are slidably connected with the limit arc plate 25, the limit arc plate 25 slides inside the primary limit rails 24, the limit arc plate 25 is connected to the primary limit rails 24 through a spring, the primary limit rails 24 are fixedly connected with an electromagnet 26, the adjusting screw rod 11 is provided with a primary limit groove 27 matched with the primary limit rails 24, the matching and separation of the limit arc plate 25 and the primary limit groove 27 are realized by turning on and off the power of the electromagnet 26, thereby realizing The locking and unlocking of the primary electric control gear 23 is realized to control whether the primary electric control gear 23 drives the rotation of the adjusting screw rod 11. The base box 1 is fixedly connected with a limited internal gear ring 28 inside. The sliding push rod 14 is fixedly connected with a pressure sensor at one end in contact with the limited shaft disk 10. The pressure sensor is connected to the electromagnet 26. When the rotating frame 2 rotates, the primary electric control gear 23 rotates due to the limitation of the limited internal gear ring 28. At the same time, when the adjusting screw rod 11 needs to be driven, the electromagnet 26 is turned on. 6, and then the limit arc plate 25 slides to cooperate with the first-level limit groove 27 under the action of magnetic force, thereby realizing the driving of the adjusting screw rod 11. It should be noted that the limit arc plate 25 is made of magnetic material and can be driven by the electromagnet 26. At the same time, the pressure on the sliding push rod 14 is detected by the pressure sensor. After the wire harness 17 is tensioned, the pressure on the sliding push rod 14 changes, thereby realizing the control of the rotation of the adjusting screw rod 11, and the tensioning condition of the wire harness 17 is detected by the pressure sensor.

[0054] When it is detected that the wiring harness 17 has quality problems, in order to timely classify the wiring harness 17 and pick out defective products, it is necessary to mark the defective products after the inspection is completed, so as to facilitate confirmation by the staff. Specifically, the sliding limit plate 13 is rotatably connected with a plurality of semicircular liquid storage bins 29 coaxially corresponding to the arc-shaped limit card slots 16, and the semicircular liquid storage bins 29 are fixedly connected with a plurality of sleeve tubes 30, and the sleeve tubes 30 are coaxially slidably connected with marking pens 31 inside. The marking pens 31 are in contact and connected with the surface of the wiring harness 17, and the semicircular liquid storage bins 29, the sleeve tubes 30 and the marking pens 31 are used to mark the connectors of the wiring harness 17, and the marking liquid is stored in the semicircular liquid storage bins 29;

[0055] The semicircular liquid storage bin 29 is connected to the liquid injection bin 32 connected to the sliding limit plate 13. The liquid injection bin 32 is connected to a sliding piston plate 33 via a spring. The sliding piston plate 33 fits the inner wall of the semicircular liquid storage bin 29 to ensure that the marking liquid in the liquid injection bin 32 is always injected into the semicircular liquid storage bin 29 under the action of the spring and the sliding piston plate 33. The liquid injection bin 32 is connected to a liquid inlet valve 34, which is connected to an external liquid supply device, and the marking liquid is injected into the liquid injection bin 32 via the liquid inlet valve 34.

[0056] In order to realize obvious marking of the connector of the wiring harness 17, a semi-toothed ring 35 is coaxially fixedly connected to the semicircular liquid storage tank 29, and the semi-toothed ring 35 is meshed with a driving pinion 36 rotatably connected to the sliding limit plate. The driving pinion 36 rotates to drive the semi-toothed ring 35 and the semicircular liquid storage tank 29 to rotate, and then drives the marking pen 31 to rotate, so as to realize the marking of the connector of the wiring harness 17. The driving pinion 36 is coaxially connected to the transfer shaft 37 rotatably connected to the sliding limit plate 13 through a one-way bearing. The driving pinion 36 is connected to the sliding limit plate 13 through a torsion spring. The rotation of the transfer shaft 37 drives the driving pinion 36 to rotate synchronously in one direction. At the same time, the driving pinion 36 The torsion spring is squeezed by the synchronous rotation process with the rotating shaft 37. After the rotating shaft 37 stops rotating, the torsion spring is reset, thereby driving the driving pinion 36 to idle and reset around the rotating shaft 37, thereby resetting the semicircular liquid storage tank 29. The rotating shaft 37 is coaxially connected with a secondary electric-controlled gear 38. The connection mode of the secondary electric-controlled gear 38 and the rotating shaft 37 is the same as the connection mode of the primary electric-controlled gear 23 and the adjusting screw rod 11. The driving of the rotating shaft 37 is realized by the secondary electric-controlled gear 38, thereby realizing the driving of the semicircular liquid storage tank 29. The driving pinion 36 is individually controlled by the secondary electric-controlled gear 38, thereby realizing individual marking of different wiring harnesses 17.

[0057] The sliding limit plate 13 is coaxially connected with a limit gear ring 39 meshing with the secondary electronically controlled gear 38. The limit gear ring 39 is externally connected to a driving source. During the rotation of the limit gear ring 39, the secondary electronically controlled gear 38 is driven. The cooperation between the secondary electronically controlled gear 38 and the intermediate shaft 37 realizes the driving of the driving pinion 36. At the same time, the control of the secondary electronically controlled gear 38 is realized through the control module 9, thereby realizing the control of marking different wiring harnesses 17. When the wiring harness 17 needs to be marked, it should be noted that when marking is not required, the intermediate shaft 37 and the secondary electronically controlled gear 38 are disengaged.

[0058] In order to ensure that the rotating frame 2 rotates while driving the limit gear ring 39, the limit gear ring 39 is coaxially fixedly connected with an inner gear ring 40, and an adjusting gear 41 is meshed next to the inner gear ring 40. The adjusting gear 41 is coaxially fixedly connected with a telescopic rod 42 that passes through the wiring plate 7, and the telescopic rod 42 is rotatably connected with the rotating frame 2. The rotation of the telescopic rod 42 drives the adjusting gear 41 to rotate synchronously. At the same time, when the limit gear ring 39 slides with the sliding limit plate 13, the adjusting gear 41 can slide synchronously.

[0059] The telescopic rod 42 and the identification gear 43 rotatably connected to the rotating frame 2 are connected through a chain transmission mechanism, and the identification gear 43 is meshed with the identification tooth ring 44 fixedly connected to the inside of the base box 1. In the process of the identification gear 43 rotating with the rotating frame 2, under the limiting action of the identification tooth ring 44, the identification gear 43 rotates on its own, and then drives the telescopic rod 42 to rotate synchronously through the identification gear 43, thereby realizing the driving of the internal tooth ring 40.

[0060] In order to ensure the stability of the wiring harness 17 connector inside the arc-shaped limit slot 16, the side wall of the arc-shaped limit slot 16 is provided with two symmetrically distributed sliding rails 45, and the sliding rail 45 is slidably connected with a limit arc-shaped clamping plate 46 inside. The limit arc-shaped clamping plate 46 and the sliding rail 45 are connected by a spring, and the wiring harness 17 connector is clamped and fixed by the limit arc-shaped clamping plate 46, thereby ensuring the stability of the wiring harness 17 connector during the detection process;

[0061] An arc-shaped clamping block 47 is fixedly connected to the inside of the arc-shaped limit groove 16 near the axis of the sliding limit plate 13, and an arc-shaped clamping groove 48 that cooperates with the arc-shaped clamping block 47 is opened on the wiring harness 17 connector. Through the cooperation of the arc-shaped clamping block 47 and the arc-shaped clamping groove 48, the wiring harness 17 connector is limited to ensure the effective cooperation between the wiring harness 17 connector and the test port 8, and at the same time, it also prevents the wiring harness 17 connector from shaking during the connection process of the test port 8.

[0062] In order to prevent the wiring tray 7 from excessively squeezing the sliding limit plate 13 and affecting the safety of the entire device, in this embodiment, a touch rod 49 is fixedly connected to the wiring tray 7, and a contact sensor 50 is fixedly connected to the touch rod 49. The contact sensor 50 is connected to the control motor. The contact sensor 50 is used to detect the state between the wiring tray 7 and the sliding limit plate 13, thereby ensuring effective cooperation between the test port 8 and the wiring harness 17 connector and avoiding collision between the wiring tray 7 and the sliding limit plate 13.

[0063] The present invention, when used in practice, mainly includes the following steps, specifically:

[0064] In the initial state, one group of the sliding limit plates 13 is at the uppermost end, and the sliding limit plates 13 are all located close to the sliding sleeve frame 4;

[0065] Step 1: Place the assembled wiring harness 17 inside the two arc-shaped limit slots 16, and install the assembled wiring harness 17 into the arc-shaped limit slots 16 on the same group of sliding limit plates 13;

[0066] Step 2: Start the driving motor, the driving column 19 rotates to drive the rotating frame 2 to rotate 120 degrees. During the upward rotation process of the wiring harness 17, the electromagnet 26 is energized, and the adjusting screw rod 11 drives the sliding sleeve 12 to slide in the opposite direction under the action of the limiting inner gear ring 28 and the primary electric control gear 23, so as to achieve the tensioning of the wiring harness 17. After the tensioning is completed, the primary electric control gear 23 is freed from force and idling;

[0067] Step 3: After the rotating frame 2 rotates 120 degrees, the control motor drives the adjusting double-headed screw 3, and the adjusting double-headed screw 3 rotates to achieve the reverse sliding of the rotating turntable 5, thereby driving the wiring tray 7 to slide synchronously, so as to achieve the matching of the test port 8 and the wiring harness 17 connector;

[0068] Step 4: When unqualified products appear during the inspection process, the corresponding secondary electronically controlled gear 38 is started, thereby driving the semicircular liquid storage tank 29 to mark the unqualified wiring harness 17;

[0069] Step 5: After the detection is completed, the rotating frame 2 rotates 120 degrees, thereby realizing alternate detection of different groups of wiring harnesses 17 .

[0070] The present invention improves the existing wire harness detection device, and effectively solves the problem of synchronous detection of multiple wire harnesses and improving detection efficiency by arranging structures such as a rotating frame, an intermittent drive structure, an adjusting double-headed screw, a sliding sleeve, a wiring board, a test port, an adjusting lead screw, a sliding limit plate, and an arc-shaped limit slot; by arranging structures such as a primary electric control gear, a primary limit rail, a limit arc plate, an electromagnet, a primary limit slot, and a limit inner gear ring, the problem of driving the adjusting lead screw and driving the sliding sleeve separately during the rotation process of the rotating frame is effectively solved; by arranging structures such as a semicircular liquid storage tank, a sleeve tube, a marking pen, a semi-toothed ring, a driving pinion, a telescopic rod, etc., the problem of effectively marking defective products is effectively achieved; and the device has extremely high universality.

Claims

1. A wire harness assembly quality inspection device, comprising a base box (1), characterized in that: The base box (1) is internally rotatably connected to two symmetrically distributed rotating frames (2), the rotating frames (2) are connected to an intermittent drive structure connected to the base box (1), an adjusting double-headed screw (3) is rotatably connected between the two rotating frames (2), the adjusting double-headed screw (3) is connected to a control motor connected to the base box (1), two symmetrically distributed sliding sleeves (4) are slidably connected to the adjusting double-headed screw (3), the sliding sleeves (4) and the adjusting double-headed screw (3) are threadedly connected, and a rotating turntable (5) is rotatably connected to the sliding sleeves (4), and the rotating turntable (5) is connected to three groups of circular ring frames (6) with equal circumference distribution, and the circular rings on different rotating turntables (5) are connected to the rotating turntables (5). The frame (6) is symmetrically distributed, the circular frame (6) is internally connected with a wiring board (7), the wiring board (7) is connected with a plurality of test ports (8) with equal circumferential distribution, the test port (8) is connected to a control module (9) connected to the base box (1), the wiring boards (7) are coaxially fixedly connected with a limit shaft disk (10), the two limit shaft disks (10) are internally coaxially connected with an adjustment screw rod (11), the adjustment screw rod (11) is rotationally connected to the rotating frame (2), the adjustment screw rod (11) is threadedly connected with two symmetrically distributed sliding sleeves (12), the sliding sleeves (12) are slidably connected to the limit shaft disk (10), and the adjustment screw rod (11) is connected to an external driving structure; The limit shaft disc (10) is coaxially slidably connected with a sliding limit disc (13), the sliding sleeve (12) is connected with a sliding push rod (14) in contact with the sliding limit disc (13), the sliding push rod (14) passes through the limit shaft disc (10), the sliding limit disc (13) is provided with a plurality of arc-shaped limit slots (16) with equal circumferential distribution, the arc-shaped limit slots (16) and the test ports (8) correspond one to one, a wiring harness (17) is arranged between two corresponding arc-shaped limit slots (16), both ends of the wiring harness (17) are connected with wiring harness (17) connectors arranged inside the arc-shaped limit slots (16), and the wiring harness (17) connector and the arc-shaped limit slots (16) cooperate with each other; The sliding limit plate (13) is rotatably connected to a plurality of semicircular liquid storage bins (29) which are coaxially corresponding to the arc-shaped limit slots (16), and the semicircular liquid storage bins (29) are fixedly connected to a plurality of sleeve tubes (30). The sleeve tubes (30) are coaxially slidably connected to the inside thereof with marking pens (31), and the marking pens (31) are in contact with the surface of the wiring harness (17); The semicircular liquid storage bin (29) is connected to a liquid injection bin (32) connected to the sliding limit plate (13); a sliding piston plate (33) is connected to the inside of the liquid injection bin (32) via a spring; the sliding piston plate (33) is in contact with the inner wall of the semicircular liquid storage bin (29); a liquid inlet valve (34) is connected to the liquid injection bin (32); and the liquid inlet valve (34) is connected to an external liquid supply device; A semi-gear ring (35) is coaxially fixedly connected to the semicircular liquid storage tank (29), and the semi-gear ring (35) is meshed with a driving pinion (36) rotatably connected to the sliding limit plate (13). The driving pinion (36) is coaxially connected to a rotating shaft (37) rotatably connected to the sliding limit plate (13) via a one-way bearing. The driving pinion (36) is connected to the sliding limit plate (13) via a torsion spring. The rotating shaft (37) is coaxially connected to a secondary electric control gear (38). The connection method of the secondary electric control gear (38) and the rotating shaft (37) is the same as the connection method of the primary electric control gear (23) and the adjusting screw (11). The adjusting screw rod (11) is connected to a primary electric control gear (23), the inner wall of the primary electric control gear (23) is provided with a plurality of primary limit rails (24) with equal circumferential distribution, the primary limit rail (24) is internally slidably connected to a limit arc plate (25), the limit arc plate (25) is made of a magnetic material, the primary limit rail (24) is internally fixedly connected to an electromagnet (26), the adjusting screw rod (11) is provided with a primary limit groove (27) matched with the primary limit rail (24), the base box (1) is internally fixedly connected to a limit inner gear ring (28), the sliding push rod (14) is fixedly connected to one end in contact with the limit shaft disk (10), the pressure sensor is connected to the electromagnet (26), and when the rotating frame (2) rotates, the primary electric control gear (23) rotates under the limiting action of the limit inner gear ring (28); The sliding limit plate (13) is coaxially rotatably connected with a limit tooth ring (39) meshing with the secondary electric control gear (38), and the limit tooth ring (39) is externally connected to a driving source.

2. A wire harness assembly quality inspection device according to claim 1, characterized in that: The intermittent drive structure comprises a drive column (19) rotatably connected to the base box (1), the drive column (19) is fixedly connected to the rotating frame (2), a circular track (20) is provided on the drive column (19), a sliding sleeve (21) is coaxially slidably connected to the drive column (19), a sliding pin matching the circular track (20) is fixedly connected to the inner wall of the sliding sleeve (21), the sliding sleeve (21) is threadedly connected to a reciprocating screw rod (22) rotatably connected to the inside of the base box (1), and the reciprocating screw rod (22) is connected to a driving motor connected to the inside of the base box (1).

3. A wire harness assembly quality inspection device according to claim 2, characterized in that: The limiting toothed ring (39) is coaxially fixedly connected to an internal toothed ring (40), an adjusting gear (41) is meshed next to the internal toothed ring (40), the adjusting gear (41) and a telescopic rod (42) passing through the wiring board (7) are coaxially fixedly connected, and the telescopic rod (42) and the rotating frame (2) are rotatably connected; The telescopic rod (42) and the identification gear (43) rotatably connected to the rotating frame (2) are connected via a chain transmission mechanism, and the identification gear (43) is meshed with an identification gear ring (44) fixedly connected to the inside of the base box (1).

4. A wire harness assembly quality inspection device according to claim 1, characterized in that: The side wall of the arc-shaped limit slot (16) is provided with two symmetrically distributed sliding rails (45), the interior of the sliding rail (45) is slidably connected with a limit arc-shaped clamping plate (46), and the limit arc-shaped clamping plate (46) and the sliding rail (45) are connected via a spring; An arc-shaped clamping block (47) is fixedly connected to the arc-shaped limit clamping groove (16) on one side close to the axis of the sliding limit disc (13), and an arc-shaped clamping groove (48) matching with the arc-shaped clamping block (47) is provided on the connector of the wiring harness (17).

5. The wire harness assembly quality inspection device according to claim 3, characterized in that: A touch rod (49) is fixedly connected to the wiring board (7), a contact sensor (50) is fixedly connected to the touch rod (49), and the contact sensor (50) is connected to the control motor.

6. A detection method for a wire harness assembly quality detection device, characterized in that: Using the wire harness assembly quality detection device according to claim 5, comprising the following steps: Step 1: placing the assembled wiring harness (17) inside the two arc-shaped limit slots (16), and inserting the assembled wiring harness (17) into the arc-shaped limit slots (16) on the same group of sliding limit plates (13); Step 2: starting the driving motor, the driving column (19) rotates to drive the rotating frame (2) to rotate 120 degrees, and during the upward rotation process of the wiring harness (17), the electromagnet (26) is energized, and the adjusting screw (11) drives the sliding sleeve (12) to slide in the opposite direction under the action of the limiting inner gear ring (28) and the first-level electric control gear (23), so as to achieve tensioning of the wiring harness (17). After the tensioning is completed, the first-level electric control gear (23) is released and idling; Step 3: After the rotating frame (2) rotates 120 degrees, the control motor drives the adjusting double-headed screw (3), and the adjusting double-headed screw (3) rotates to achieve the reverse sliding of the rotating turntable (5), thereby driving the wiring board (7) to slide synchronously, thereby achieving the matching of the test port (8) and the wiring harness (17) connector; Step 4: When unqualified products are found during the inspection process, the corresponding secondary electronically controlled gear (38) is started, thereby driving the semicircular liquid storage tank (29) to mark the unqualified wiring harness (17); Step 5: After the detection is completed, the rotating frame (2) rotates 120 degrees, thereby realizing alternate detection of different groups of wiring harnesses (17).

Images