Compound bending test mechanism

Abstract

The present invention discloses a composite bending test mechanism, including a bearing seat, a wire splitting device and a bending drive device, the wire splitting device including a support frame, a plurality of roller groups and a plurality of wire limiting assemblies, the support frame is arranged on the bearing seat, each of the roller groups is respectively arranged on the support frame, each of the wire limiting assemblies is respectively arranged on the support frame, in one of the roller groups, the roller group includes a fixed bracket and two rollers, the fixed bracket is arranged on the support frame, the two rollers are respectively arranged on the fixed bracket, and a first wire passing area is arranged between the two rollers. The present invention can test a variety of different wire harnesses at the same time by arranging a plurality of roller groups, thereby improving the test efficiency of wire bending; and by arranging a wire clamping assembly, the accuracy of the test results can be guaranteed, ensuring that the electrical performance results of the tested wire are true and effective, and avoiding the situation where the wire shakes and causes the conductor to break.

Description

Technical Field

[0001] The invention relates to the field of wire material detection equipment, and in particular to a composite bending test mechanism. Background Art

[0002] The wire swing tester is also called the wire bending tester. This machine complies with the provisions of the relevant standards such as UL817 "General Safety Requirements for Soft Wire Components and Power Soft Cords". It is suitable for relevant manufacturers and quality inspection departments to perform bending tests on power cords and DC cords. It is used to test the folding resistance and performance of wires, cables and various products under certain speeds, angles, weights, times, etc.

[0003] However, an existing bending machine can only test one type of wire harness, with six wires tested each time, resulting in low testing efficiency. The wire connectors are easily disconnected during the test, affecting the test progress and accuracy. Summary of the invention

[0004] The purpose of the present invention is to overcome the deficiencies in the prior art and provide a composite bending test mechanism capable of testing a variety of different wiring harnesses at the same time, thereby improving the efficiency of the bending test.

[0005] The objective of the present invention is achieved through the following technical solutions:

[0006] A composite bending test mechanism, comprising:

[0007] Bearing seat,

[0008] A wire splitting device, the wire splitting device comprises a support frame, a plurality of roller groups and a plurality of wire limiting components, the support frame is arranged on the bearing seat, each of the roller groups is respectively arranged on the support frame, each of the wire limiting components is respectively arranged on the support frame, in one of the roller groups, the roller group comprises a fixed bracket and two rollers, the fixed bracket is arranged on the support frame, the two rollers are respectively arranged on the fixed bracket, and a first wire passing area is arranged between the two rollers; and

[0009] The bending drive device comprises a driving assembly and a plurality of wire clamping assemblies, each of the wire clamping assemblies and the driving assembly is respectively arranged on the bearing seat, each of the wire clamping assemblies is used to fix the wire to be tested, and the driving assembly is used to drive each of the wire clamping assemblies to rotate.

[0010] In one of the embodiments, in one of the wire clamping assemblies, the wire clamping assembly includes a swing arm, two wire clamping transverse plates and a plurality of wire clamping guide rollers, the swing arm is arranged on the bearing seat, the two wire clamping transverse plates are arranged on the swing arm, the first end of each of the wire clamping guide rollers is respectively arranged on one of the wire clamping transverse plates, and the second end of each of the wire clamping guide rollers is respectively arranged on another of the wire clamping transverse plates.

[0011] In one of the embodiments, a second wire passing area is provided between every two of the wire clamping guide rollers.

[0012] In one of the embodiments, the supporting seat includes a fixed frame and a bottom plate, the fixed frame is arranged on the bottom plate, and the line dividing device and the bending driving device are respectively arranged on the fixed frame.

[0013] In one embodiment, the support frame includes a fixed plate, a support cross bar and a plurality of support vertical bars, the fixed plate is arranged on the bearing seat, one end of each of the support vertical bars is arranged on the bearing seat, and the other end of each of the support vertical bars is arranged on the support cross bar.

[0014] In one of the embodiments, in one of the wire limiting assemblies, the wire limiting assembly includes a first limiting rod, a second limiting rod and a plurality of branching blocks, the first limiting rod and the second limiting rod are respectively arranged on the fixed plate, an installation area is arranged between the first limiting rod and the second limiting rod, each of the branching blocks is respectively arranged on the installation area, and a wire passing hole is opened on the branching block.

[0015] In one embodiment, the wire limiting assembly also includes a rubber sleeve, which is provided with a first mounting hole and a second mounting hole, and the end of the first limiting rod away from the fixing plate is embedded in the first mounting hole, and the end of the second limiting rod away from the fixing plate is embedded in the second mounting hole.

[0016] In one embodiment, the wire separation device further includes a wire pressing assembly, and the wire pressing assembly is disposed on the supporting seat.

[0017] In one embodiment, the wire crimping assembly includes a first wire crimping cross arm, a second wire crimping cross arm and a plurality of wire passing guide rollers, the first wire crimping cross arm is arranged on the bearing seat, one end of each wire passing guide roller is arranged on the first wire crimping cross arm, the other end of each wire passing guide roller is arranged on the second wire crimping cross arm, and a third wire passing area is arranged between each two adjacent wire passing guide rollers.

[0018] In one embodiment, the line dividing device includes three roller groups, and the three roller groups are respectively arranged on the supporting frame.

[0019] The advantages and beneficial effects of the present invention compared to the prior art are as follows:

[0020] The present invention is a composite bending test mechanism, which can test a variety of different wire harnesses at the same time by arranging a plurality of roller groups, thereby improving the test efficiency of wire bending; and by arranging a wire clamping assembly, the accuracy of the test results can be guaranteed, ensuring that the electrical performance results of the tested wires are true and effective, and avoiding the situation where the conductor is broken due to the shaking of the wires. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for use in the embodiments are briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without creative work.

[0022] Figure 1 It is a structural schematic diagram of a composite bending test mechanism according to one embodiment of the present invention;

[0023] Figure 2 for Figure 1 A schematic structural diagram of a line splitting device of a composite bending test mechanism shown;

[0024] Figure 3 for Figure 1 A schematic structural diagram of a bending drive device of a composite bending test mechanism shown;

[0025] Figure 4 for Figure 1 A schematic structural diagram of a bending drive device of a composite bending test mechanism according to another embodiment is shown. DETAILED DESCRIPTION

[0026] In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the relevant drawings. The preferred embodiments of the present invention are given in the drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thoroughly understood.

[0027] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only and do not represent the only implementation method.

[0028] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0029] See also Figure 1 A composite bending test mechanism includes: a bearing seat 100, a wire dividing device 200 and a bending drive device 300. It should be noted that the bearing seat 100 is used to install the wire dividing device 200 and the bending drive device 300, the wire dividing device 200 is used to fix the wire harness; the bending drive device 300 is used to perform bending tests on each wire harness.

[0030] See also Figure 2 The wire splitting device 200 includes a support frame 210, a plurality of roller groups 220 and a plurality of wire limiting assemblies 230. The support frame is arranged on the bearing seat, and each of the roller groups is arranged on the support frame, and each of the wire limiting assemblies is arranged on the support frame. It should be noted that the support frame 210 is used to fix each roller group 220 and each wire limiting assembly 230; the roller group 220 is used to fix the wire and perform a bending test on the wire; the wire limiting assembly 230 is used to fix the lower position of the test harness, thereby improving the accuracy of the test.

[0031] See also Figure 2 In one of the roller groups 220, the roller group 220 includes a fixed bracket 221 and two rollers 222. The fixed bracket is arranged on the support frame, and the two rollers are arranged on the fixed bracket respectively, and a first wire passing area 223 is arranged between the two rollers. It should be noted that the fixed bracket 221 is used to fix the roller group; the rollers 222 have different diameters and can test the bending effects of different wires; the first wire passing area 223 is used to fix the wire harness, and driven by the bending drive device, the wire harness bending test can be realized.

[0032] See also Figure 3 The bending drive device 300 includes a driving assembly 310 and a plurality of wire clamping assemblies 320. Each of the wire clamping assemblies and the driving assembly is respectively arranged on the bearing seat. Each of the wire clamping assemblies is used to fix the wire to be tested, and the driving assembly is used to drive each of the wire clamping assemblies to rotate. It should be noted that the driving assembly drives the wire clamping assembly to achieve a 90-degree bending test, that is, it can drive the wire harness to bend 90 degrees to the left or 90 degrees to the right; the wire clamping assembly 320 is used to clamp the tested wire harness.

[0033] In order to realize the swing arm and rotation, and then realize the test of the wire swing arm, and further improve the test efficiency and the stability of the test mechanism; for example, refer to Figure 3 and Figure 4 The driving assembly 310 includes a mounting frame 311, a motor driving component 312, a driving shaft component 313, a first sub-shaft component 314 and a second sub-shaft component 315. The mounting frame is arranged on the bearing seat, and the motor driving component, the driving shaft component, the first sub-shaft component and the second sub-shaft component are respectively arranged on the mounting frame, and a wire clamping assembly is respectively arranged on the driving shaft component, the first sub-shaft component and the second sub-shaft component; the motor driving component is used to drive the driving shaft component to rotate, and then drive the first sub-shaft component and the second sub-shaft component to rotate, so that the wire clamping assemblies on the driving shaft component, the first sub-shaft component and the second sub-shaft component can rotate left and right, that is, the clamped wire is swung left and right to realize the bending test of the wire. In this way, by setting the motor drive 312, the active rotating shaft 313, the first auxiliary rotating shaft 314 and the second auxiliary rotating shaft 315, the swing arm and rotation can be realized, thereby realizing the test of the wire swing arm and further improving the test efficiency and the stability of the test mechanism.

[0034] For further information, see Figure 4 The motor drive component 312 includes a motor fixed base 312a, a motor 312b and a synchronous wheel 312c. The motor fixed base 312a is arranged on the mounting frame 311, the motor 312b is arranged on the motor fixed base 312a, the synchronous wheel 312c is arranged at the output end of the motor 312b, and the motor 312b is used to drive the synchronous wheel 312c to rotate; it should be noted that the motor fixed base 312a is used to fix the motor and the synchronous wheel, the motor 312b is used to drive the active shaft component to rotate; the synchronous wheel 312c is used to drive the active shaft component to rotate. In this way, by setting the motor and the synchronous wheel, a driving force is provided for the rotation and left and right swing of the entire mechanism, and the rotation can be easily realized, thereby driving the active shaft component to rotate, and finally realizing the left and right swing of the wire, and realizing the bending test.

[0035] See also Figure 4The active rotating shaft component 313 includes a main rotating shaft fixing frame 313a, an active rotating shaft 313b, an active wheel 313c, an active transmission belt 313d, a first synchronous wheel 313e and a second synchronous wheel 313f. The main rotating shaft fixing frame 313a is arranged on the mounting frame, the active rotating shaft 313b is rotatably arranged on the main rotating shaft fixing frame 313a, the active wheel 313c is sleeved on the active rotating shaft 313b, the first end of the active transmission belt 313d is sleeved on the active wheel 313c, the second end of the active transmission belt 313d is sleeved on the synchronous rotating wheel 312, the first synchronous wheel 313e is arranged on the first end of the active rotating shaft 313b, and the second synchronous wheel 313f is arranged on the second end of the active rotating shaft 313b. It should be noted that the main shaft fixing frame 313a is used to fix the various components on the active shaft member 313; the active shaft 313b is used to drive the active wheel 313c, the first synchronous wheel 313e and the second synchronous wheel 313f to rotate, and the active wheel 313c is used to connect the synchronous wheel 312c, so that the driving force on the motor can drive the active shaft 313b to rotate; the active transmission belt 313d is used to achieve the synchronous rotation of the synchronous wheel and the active wheel 313c; the first synchronous wheel 313e is used to drive the first sub-shaft member 314 to rotate; the second synchronous wheel 313f is used to drive the second sub-shaft member 315 to rotate. In this way, by setting the active shaft 313b, the active wheel 313c and the active transmission belt 313d, the synchronous wheels on the motor can be connected, so that the motor can drive the active wheel 313c and the active shaft 313b to rotate, and the first synchronous wheel 313e and the second synchronous wheel 313f can also rotate; by setting the first synchronous wheel 313e and the second synchronous wheel 313f, the first auxiliary shaft 314 and the second auxiliary shaft 315 can be driven to rotate respectively, so that the rotation of the first auxiliary shaft and the second auxiliary shaft can be easily realized, and finally the left and right swing of the wire can be realized, and the bending test can be realized, and the test efficiency and the stability of the test mechanism can be further improved. The clamping assembly is installed on the active shaft 313b to achieve swinging.

[0036] It is also necessary to note that, please refer to Figure 4The first secondary rotating shaft 314 includes a first driven fixed frame 314a, a first driven rotating shaft 314b, a first driven driven wheel 314c and a first driven transmission belt 314d. The first driven fixed frame is arranged on the mounting frame, the first driven rotating shaft is arranged on the first driven fixed frame, the first driven driven wheel is sleeved on the first driven rotating shaft, the first end of the first driven transmission belt is sleeved outside the first driven driven wheel, and the second end of the first driven transmission belt is sleeved outside the first synchronous wheel. It should be noted that the first driven fixed frame 314a is used to fix the various components on the first secondary rotating shaft 314; the first driven rotating shaft 314b is used to be fixed on the first driven driven wheel 314c and the first driven transmission belt 314d, driving the first driven driven wheel 314c and the first driven transmission belt 314d to rotate; the first driven driven wheel 314c is used to connect the first synchronous wheel, so as to drive the first driven rotating shaft to rotate, thereby realizing the left and right swing of the clamping assembly. In this way, by providing the first driven shaft 314b, the first driven wheel 314c and the first driven transmission belt 314d, the clamping assembly is driven to swing left and right, thereby realizing the bending test, further improving the test efficiency and the stability of the test mechanism. The arm swing and rotation can also be realized, thereby realizing the test of the wire swing arm, and further improving the test efficiency and the stability of the test mechanism.

[0037] See also Figure 4 The second secondary rotating shaft 315 includes a second driven fixed frame 315a, a second driven rotating shaft 315b, a second driven driven wheel 315c and a second driven transmission belt 315d. The second driven fixed frame is arranged on the mounting frame, the second driven rotating shaft is arranged on the second driven fixed frame, the second driven driven wheel is sleeved on the second driven rotating shaft, the second end sleeve of the second driven transmission belt is sleeved outside the second driven driven wheel, and the second end sleeve of the second driven transmission belt is sleeved outside the second synchronous wheel. It should be noted that the second driven fixed frame 315a is used to fix the various components on the second secondary rotating shaft; the second driven rotating shaft is used to be fixed on the second driven driven wheel and the second driven transmission belt, driving the second driven driven wheel and the second driven transmission belt to rotate; the second driven driven wheel is used to connect the second synchronous wheel, so as to drive the second driven rotating shaft to rotate, thereby realizing the left and right swing of the clamping assembly. In this way, by setting the second driven shaft, the second driven wheel and the second driven transmission belt, the wire clamping assembly is driven to swing left and right, thereby realizing the bending test, further improving the test efficiency and the stability of the test mechanism. It can also realize the swing arm and rotation, thereby realizing the test of the wire swing arm, and further improving the test efficiency and the stability of the test mechanism.

[0038] In this way, by setting up multiple roller groups, multiple different wire harnesses can be tested at the same time, thereby improving the test efficiency of wire bending; and by setting up a wire clamping assembly, the accuracy of the test results can be guaranteed, ensuring that the electrical performance results of the tested wires are true and valid, and avoiding the situation where the wires shake and cause the conductors to break.

[0039] See also Figure 3 In one of the clamping assembly 320, the clamping assembly 320 includes a swing arm 321, two clamping cross plates 322 and a plurality of clamping guide rollers 323. The swing arm is arranged on the bearing seat, the two clamping cross plates are arranged on the swing arm, the first end of each clamping guide roller is arranged on one clamping cross plate, and the second end of each clamping guide roller is arranged on another clamping cross plate. It should be noted that the swing arm 321 is used to realize left and right swinging and drive the clamping cross plate to rotate; the clamping cross plate 322 is used to fix the clamping guide roller 323; the clamping guide roller 323 is used to realize clamping.

[0040] In this embodiment, a second wire passing area 324 is provided between every two of the wire clamping guide rollers 323. The wire harness passes through the first wire passing area, is fixed by two rollers, and then enters the second wire passing area to be fixed by the wire clamping guide roller. When a bending test is required, the wire clamping cross plate drives the wire clamping guide roller to swing, and then the wire clamping guide roller clamps the wire harness to swing, thereby realizing a left-right swing bending test.

[0041] See also Figure 1 The support base 100 includes a fixed frame 110 and a bottom plate 120. The fixed frame is arranged on the bottom plate, and the line dividing device and the bending driving device are arranged on the fixed frame. Thus, by arranging the fixed frame 110 and the bottom plate 120, it is convenient to install various devices and components.

[0042] See also Figure 2 The support frame 210 includes a fixing plate 211, a supporting cross bar 212 and a plurality of supporting vertical bars 213. The fixing plate is arranged on the bearing seat, one end of each supporting vertical bar is arranged on the bearing seat, and the other end of each supporting vertical bar is arranged on the supporting cross bar. Thus, by arranging the fixing plate 211, the supporting cross bar 212 and a plurality of supporting vertical bars 213, each roller assembly 220 can be conveniently installed; and the structural stability of the line dividing device can also be improved.

[0043] See also Figure 2In one of the wire limiting components 230, the wire limiting component 230 includes a first limiting rod 231, a second limiting rod 232 and a plurality of branching blocks 233. The first limiting rod and the second limiting rod are respectively arranged on the fixing plate. An installation area is arranged between the first limiting rod and the second limiting rod. Each branching block is respectively arranged on the installation area. A wire passing hole 233a is provided on the branching block. In this way, by setting the first limiting rod 231 and the second limiting rod 232, a plurality of branching blocks can be arranged, and then a bending test of a plurality of wire harnesses can be realized; the branching block 233 is used to fix the tested wire harness.

[0044] See also Figure 2 The wire limiting assembly 230 further includes a rubber sleeve 234, which is provided with a first mounting hole and a second mounting hole. The end of the first limiting rod away from the fixing plate is embedded in the first mounting hole, and the end of the second limiting rod away from the fixing plate is embedded in the second mounting hole. In this way, by providing the rubber sleeve 234, the branching block can be prevented from falling out of the installation area.

[0045] See also Figure 2 , the wire splitting device 200 also includes a wire pressing assembly 240, which is arranged on the bearing seat. The wire pressing assembly 240 includes a first wire pressing cross arm 241, a second wire pressing cross arm 242 and a plurality of wire passing guide rollers 243, the first wire pressing cross arm is arranged on the bearing seat, one end of each wire passing guide roller is arranged on the first wire pressing cross arm, and the other end of each wire passing guide roller is arranged on the second wire pressing cross arm, and a third wire passing area is arranged between each two adjacent wire passing guide rollers. It should be noted that the wire pressing assembly 240 is used for wire pressing, and the wire pressing assembly is arranged below the first wire passing area, so as to ensure that the wire harness enters the second wire passing area and the first wire passing area from below the roller group. In this way, by setting the first wire pressing cross arm 241, the second wire pressing cross arm 242 and a plurality of wire passing guide rollers 243, the wire pressing operation can be stably performed.

[0046] See also Figure 1 The wire splitting device 200 includes three roller groups 220, and the three roller groups are respectively arranged on the support frame. Thus, by setting three roller groups 220, three different wire harnesses can be tested at the same time, which is three times the measurement quantity of the traditional bending machine, and improves the bending test efficiency.

[0047] The advantages and beneficial effects of the present invention compared to the prior art are as follows:

[0048] The present invention is a composite bending test mechanism, which can test a variety of different wire harnesses at the same time by arranging a plurality of roller groups, thereby improving the test efficiency of wire bending; and by arranging a wire clamping assembly, the accuracy of the test results can be guaranteed, ensuring that the electrical performance results of the tested wires are true and effective, and avoiding the situation where the conductor is broken due to the shaking of the wires.

[0049] The above-mentioned embodiments only express several embodiments of the present invention, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the patent of the present invention. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention shall be based on the attached claims.

Claims

1. A composite bending test mechanism, characterized in that: include: Bearing seat, A wire splitting device, the wire splitting device comprises a support frame, a plurality of roller groups and a plurality of wire limiting components, the support frame is arranged on the bearing seat, each of the roller groups is respectively arranged on the support frame, each of the wire limiting components is respectively arranged on the support frame, in one of the roller groups, the roller group comprises a fixed bracket and two rollers, the fixed bracket is arranged on the support frame, the two rollers are respectively arranged on the fixed bracket, and a first wire passing area is arranged between the two rollers; and A bending drive device, the bending drive device comprises a driving assembly and a plurality of wire clamping assemblies, each of the wire clamping assemblies and the driving assembly is respectively arranged on the bearing seat, each of the wire clamping assemblies is used to fix the wire to be tested, and the driving assembly is used to drive each of the wire clamping assemblies to rotate; In one of the clamping assemblies, the clamping assembly comprises a swing arm, two clamping transverse plates and a plurality of clamping guide rollers, the swing arm is arranged on the bearing seat, the two clamping transverse plates are arranged on the swing arm, the first end of each clamping guide roller is respectively arranged on one clamping transverse plate, and the second end of each clamping guide roller is respectively arranged on another clamping transverse plate; A second wire passing area is provided between every two of the wire clamping guide rollers; The support frame includes a fixing plate, a supporting cross bar and a plurality of supporting vertical bars, wherein the fixing plate is arranged on the bearing seat, one end of each supporting vertical bar is arranged on the bearing seat, and the other end of each supporting vertical bar is arranged on the supporting cross bar; In one of the wire limiting assemblies, the wire limiting assembly includes a first limiting rod, a second limiting rod and a plurality of branching blocks, the first limiting rod and the second limiting rod are respectively arranged on the fixed plate, an installation area is arranged between the first limiting rod and the second limiting rod, each of the branching blocks is respectively arranged on the installation area, and a wire passing hole is opened on the branching block.

2. The composite bending test mechanism according to claim 1, characterized in that: The bearing seat comprises a fixed frame and a bottom plate, wherein the fixed frame is arranged on the bottom plate, and the line dividing device and the bending driving device are respectively arranged on the fixed frame.

3. The composite bending test mechanism according to claim 1, characterized in that: The wire limiting assembly also includes a rubber sleeve, which is provided with a first mounting hole and a second mounting hole. The end of the first limiting rod away from the fixing plate is embedded in the first mounting hole, and the end of the second limiting rod away from the fixing plate is embedded in the second mounting hole.

4. The composite bending test mechanism according to claim 1, characterized in that: The wire separation device also includes a wire pressing assembly, and the wire pressing assembly is arranged on the bearing seat.

5. The composite bending test mechanism according to claim 4, characterized in that: The wire crimping assembly includes a first wire crimping cross arm, a second wire crimping cross arm and a plurality of wire passing guide rollers, the first wire crimping cross arm is arranged on the bearing seat, one end of each wire passing guide roller is arranged on the first wire crimping cross arm, the other end of each wire passing guide roller is arranged on the second wire crimping cross arm, and a third wire passing area is arranged between each two adjacent wire passing guide rollers.

6. The composite bending test mechanism according to claim 1, characterized in that: The line dividing device comprises three roller groups, and the three roller groups are respectively arranged on the supporting frame.

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