Test racks, test extensions and test systems

Abstract

The present application relates to a test rack, a test extension and a test system, including the above-mentioned test rack and the above-mentioned test extension; the test extension is installed in the test rack along the test station, and the workpiece to be tested is moved to the test extension for testing through the test rack. The beneficial effects of the present application are: the test rack and the test extension of the present application can be used independently to meet different production needs; at the same time, the test rack and the test extension can be used in combination to realize fully automatic testing of the workpiece to be tested, improve test efficiency and production efficiency, and reduce production costs.

Description

Technical Field

[0001] The present application relates to the field of mechanical manufacturing technology, and more specifically, to a test rack, a test extension, and a test system. Background Art

[0002] The automatic test rack is a mature and stable equipment in the industry. For the test rack, a cylinder or motor is usually used to drive the needle bed for testing. At present, for some manual functions, such as the fixture is manually placed in the test rack, the clamping efficiency is low, the labor intensity is high, and it takes a long time for personnel to work. It is easy to misplace the fixture and cause a series of equipment problems. For general factories, the production line of testing small models and batches of products is often not suitable for automation because of the small product volume. The switching between manual and automatic operations is time-consuming and complicated, and it cannot be switched quickly. Summary of the invention

[0003] The present application aims to overcome the problems of low efficiency of clothing clamping, high labor intensity, long time for personnel operation and easy misplacement of the clamps, and the technical problem to be solved by the present application is to provide a test rack, a test extension and a test system.

[0004] A test rack, used for assembly with a test extension, comprising a rack body and a transmission mechanism and a clamping mechanism arranged in the rack body;

[0005] One side of the frame body is opened to form at least one test station for accommodating a test extension, the transmission mechanism connects two sides of the frame body, the test station is vertically arranged along one side of the transmission mechanism, one end of the clamping mechanism is arranged on the other side of the transmission mechanism; the free end of the clamping mechanism is arranged above the transmission mechanism or the test station;

[0006] The workpiece arranged on the transmission mechanism is moved by the clamping mechanism to a test extension machine arranged at the test station for testing.

[0007] Optionally, the transmission mechanism includes a transmission bracket, a linkage assembly, a transmission plate, a connecting rod, and a first servo motor;

[0008] The transmission bracket is a U-shaped structure in cross section, and the bottom of the transmission bracket is fixed on the frame body; the two linkage components are arranged on both sides of the transmission bracket relatively;

[0009] The linkage assembly includes a driving wheel group, a driven wheel, and a transmission belt. The driving wheel group is arranged in the middle of the transmission bracket, and the two driven wheels are arranged at both ends of the transmission bracket. The transmission belt is sleeved on the driving wheel group and the driven wheel; the connecting rod is connected to the driving wheel groups of the two linkage assemblies, and the connecting rod is also connected to the first servo motor fixed to the bottom of the transmission bracket through a belt;

[0010] The transmission plate is arranged on the transmission belts of the two linkage components.

[0011] Optionally, it further comprises a positioning assembly, the positioning assembly comprises a positioning cylinder and a positioning protrusion, the positioning cylinder is fixed on the transmission bracket and arranged between the two linkage assemblies, and the positioning protrusion is connected to the positioning cylinder;

[0012] When the workpiece to be measured on the transmission plate moves to the bottom of the clamping mechanism, the two positioning protrusions are clamped on both sides of the transmission plate under the drive of the positioning cylinder.

[0013] Optionally, the clamping mechanism includes a displacement assembly and a clamping assembly; the displacement assembly is fixed on the frame body, and the clamping assembly is fixed on the displacement assembly.

[0014] The lifting assembly is fixed on the frame body, one end of the lateral movement assembly is fixed on the first slide of the lifting assembly, and the other end of the lateral movement assembly is connected to the clamping assembly.

[0015] Optionally, the displacement assembly includes a lifting assembly and a transverse movement assembly, the lifting assembly is fixed on the frame body, and one end of the transverse movement assembly is fixed on the first slide of the lifting assembly;

[0016] The lifting assembly also includes a lifting bracket and a second servo motor. The lifting bracket is fixed on the frame. A slide rail is arranged on one side of the lifting bracket. The first slide is connected to the second servo motor and is slidably arranged on the slide rail of the lifting bracket.

[0017] The transverse movement assembly includes a transverse movement bracket, a first gas rod, a slider, and a second slide. The transverse movement bracket is fixed on the first slide. The first gas rod is fixed in the middle of the transverse movement bracket. A slide rail is arranged at the lower end of the transverse movement bracket. The second slide is connected to the first gas rod through the slider and is slidably connected to the slide rail. The clamping assembly is fixed on the second slide. Buffers are also arranged on both sides of the transverse movement bracket, and baffles matching the buffers are arranged on the sides of the second slide.

[0018] Optionally, it further comprises a positioning assembly, the positioning assembly comprising a positioning bracket, a positioning cylinder, and a positioning protrusion, the positioning bracket is fixed on the frame body and arranged between the two linkage assemblies, the positioning cylinder is arranged on the positioning bracket, and the positioning protrusion is connected to the positioning cylinder;

[0019] When the workpiece to be measured on the transmission plate moves to the bottom of the clamping mechanism, the two positioning protrusions are clamped on both sides of the transmission plate under the drive of the positioning cylinder.

[0020] Optionally, the clamping mechanism includes a displacement assembly and a clamping assembly; the displacement assembly is fixed on the frame body, and the clamping assembly is fixed on the displacement assembly.

[0021] The lifting assembly is fixed on the frame body, one end of the lateral movement assembly is fixed on the first slide of the lifting assembly, and the other end of the lateral movement assembly is connected to the clamping assembly.

[0022] Optionally, the displacement assembly includes a lifting assembly and a transverse movement assembly, the lifting assembly is fixed on the frame body, and one end of the transverse movement assembly is fixed on the first slide of the lifting assembly;

[0023] The lifting assembly also includes a lifting bracket and a second servo motor. The lifting bracket is fixed on the frame. A slide rail is arranged on one side of the lifting bracket. The first slide is connected to the second servo motor and is slidably arranged on the slide rail of the lifting bracket.

[0024] The transverse movement assembly includes a transverse movement bracket, a first gas rod, a slider, and a second slide. The transverse movement bracket is fixed on the first slide. The first gas rod is fixed in the middle of the transverse movement bracket. A slide rail is arranged at the lower end of the transverse movement bracket. The second slide is connected to the first gas rod through the slider and is slidably connected to the slide rail. The clamping assembly is fixed on the second slide. Buffers are also arranged on both sides of the transverse movement bracket, and baffles matching the buffers are arranged on the sides of the second slide.

[0025] Optionally, the clamping assembly includes a clamping bracket, a clamping cylinder, and two clamping members;

[0026] The clamping bracket is fixed on the second slide, the clamping cylinder is fixed on the middle part of the lower surface of the clamping bracket, and slide rails are arranged on both sides of the lower surface of the clamping bracket. The two clamping members are respectively slidably connected to the two ends of the slide rails and pneumatically connected to the clamping cylinder;

[0027] The two clamping members are arranged opposite to each other to form a clamping space for clamping the workpiece to be measured.

[0028] In addition, the present application also discloses a test extension, which is assembled with the test rack, and includes an extension body and a feeding mechanism, a testing mechanism, and a feeding plate arranged on the extension body;

[0029] The feeding mechanism is arranged in the middle of the extension body, and the testing mechanism is arranged below the feeding mechanism; the feeding plate is slidably connected to the feeding mechanism, and the feeding plate is convexly arranged on the outside of the extension body and within the clamping stroke range of the clamping mechanism of the testing frame or is arranged above the testing mechanism.

[0030] Optionally, the feeding mechanism includes a feeding bracket, a second gas rod, a connecting block, and a feeding tray;

[0031] The feeding bracket is fixed in the extension body, and slide grooves are arranged on both sides of the feeding bracket. The second gas rod is arranged on the feeding bracket along a slide groove; a slide rail matching the slide groove is arranged at the bottom of the feeding tray, and the feeding tray is connected to the second gas rod through a connecting block;

[0032] A placement groove for placing a feeding plate is dug in the middle of the feeding tray.

[0033] Optionally, the testing mechanism includes a testing board and at least one testing probe plugged into the testing board, and when the workpiece to be tested on the feeding tray moves to above the testing mechanism, the workpiece to be tested is tested by the testing probe.

[0034] In addition, the present application also discloses a test system, including the above-mentioned test rack and the above-mentioned test extension;

[0035] The test sub-machine is installed in the test frame along the test station, and the workpiece to be tested is moved to the test sub-machine through the test frame for testing.

[0036] Optionally, both sides of the test station are provided with lifting mechanisms, and at least one follower is provided on the outer side of the extension body;

[0037] The lifting mechanism includes a lifting bracket, a lifting cylinder, a transmission rod, a first roller, a second roller, and a fixed block; the lifting cylinder and the lifting bracket are fixed to the frame body, the fixed block is arranged on the lifting bracket, the lifting cylinder is connected to the transmission rod, the first roller and the second roller are connected to the transmission rod and are rotatably connected to the lifting bracket, the first roller is abutted against the fixed block, and the second roller is arranged at the end of the transmission rod;

[0038] The first roller, the second roller and the fixed block are all provided with a clamping groove, the follower is clamped in the clamping groove, and the inner side of the follower is fixed by the first roller and the fixed block.

[0039] Optionally, a positioning hole is further provided on the inner side of the test station, and a positioning pin is further provided on the outer side of the extension body, and the test extension is positioned on the test station by inserting the positioning pin into the positioning hole.

[0040] Compared with the prior art, the beneficial effects of the present application are: the test rack and test extension of the present application can be used independently to meet different production needs; at the same time, the test rack and test extension can be used in combination to achieve fully automatic testing of the workpiece to be tested, improve test efficiency and production efficiency, and reduce production costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0041] Figure 1 A schematic diagram of a test rack according to an embodiment of the present application.

[0042] Figure 2 Schematic diagram of the transmission mechanism of an embodiment of the present application.

[0043] Figure 3 The clamping mechanism of the embodiment of the present application is shown in FIG. Figure 1 .

[0044] Figure 4 The clamping mechanism of the embodiment of the present application is shown in FIG. Figure 2 .

[0045] Figure 5 A schematic diagram of a test extension according to an embodiment of the present application.

[0046] Figure 6 This is a cross-sectional view of a test extension according to an embodiment of the present application.

[0047] Figure 7 Schematic diagram of a test system according to an embodiment of the present application.

[0048] Figure 8 This is a schematic diagram of the lifting mechanism of an embodiment of the present application.

[0049] Fig. 9 This is a front view of a test rack according to an embodiment of the present application. DETAILED DESCRIPTION

[0050] The present application is further described below in conjunction with specific implementation methods.

[0051] The same or similar numbers in the drawings of the embodiments of the present application correspond to the same or similar parts; in the description of the present application, it should be understood that if the terms "upper", "lower", "left", "right", "top", "bottom", "inside", "outside", etc. indicate the orientation or position relationship, it is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, the terms describing the position relationship in the drawings are only used for illustrative purposes and cannot be understood as a limitation on this patent.

[0052] In addition, if there are terms such as "first" and "second", they are only used for descriptive purposes, mainly to distinguish different devices, elements or components (the specific types and structures may be the same or different), and are not used to indicate or imply the relative importance and quantity of the indicated devices, elements or components, and cannot be understood as indicating or implying relative importance.

[0053] In such Figure 1-4In the embodiment, the test rack is used for assembly with the test extension, including a rack body 1 and a transmission mechanism 2 and a clamping mechanism 3 arranged in the rack; one side of the rack body 1 is opened to form at least one test station 11 for accommodating the test extension, the transmission mechanism 2 connects the two sides of the rack body 1, the test station 11 is vertically arranged along one side of the transmission mechanism 2, and one end of the clamping mechanism 3 is arranged on the other side of the transmission mechanism 2; the free end of the clamping mechanism 3 is arranged above the transmission mechanism 2 or the test station 11; the workpiece arranged on the transmission mechanism 2 is moved by the clamping mechanism to the test extension arranged at the test station 11 for testing. In the embodiment, the test rack transmits the workpiece to be tested and the workpiece to be processed through the transmission mechanism 2, and is clamped to the test extension or processing extension of the test station 11 by the clamping mechanism 3 for testing or processing, thereby realizing automatic feeding and batching and improving production efficiency.

[0054] In some embodiments, see Figure 2 The transmission mechanism 2 includes a transmission bracket 21, a linkage assembly, a transmission plate 22, a connecting rod 23, and a first servo motor 24; the transmission bracket 21 is a "U"-shaped structure in cross section, and the bottom of the transmission bracket 21 is fixed to the frame body 1; two linkage assemblies are relatively arranged on both sides of the transmission bracket 21; the linkage assembly includes a driving wheel group 25, a driven wheel 26, and a transmission belt 27, the driving wheel group 25 is arranged in the middle of the transmission bracket 21, and the two driven wheels 26 are respectively arranged at both ends of the transmission bracket 21, and the transmission belt 27 is sleeved on the driving wheel group 25 and the driven wheel 26; the connecting rod 2 3 is connected to the driving wheel group 25 of the two linkage components, and the connecting rod 23 is also connected to the first servo motor 24 fixed at the bottom of the transmission bracket 21 through a belt; in this embodiment, the connecting rod 23 and the driving wheel group 25 are driven by the first servo motor 24 to rotate, and the driven wheels 26 on both sides are driven to rotate through the belt; the driving wheel group 25 is set in the middle of the transmission bracket 21 to further improve the stability of transmission; and the two linkage components are driven by the connecting rod 23 to achieve synchronous movement of the two linkage components, thereby ensuring the transmission accuracy of the workpiece to be measured on the transmission plate 22.

[0055] In some embodiments, a positioning assembly 28 is also included, and the positioning assembly 28 includes a positioning cylinder 281 and a positioning protrusion 282. The positioning cylinder 281 is fixed on the transmission bracket 21 and arranged between the two linkage assemblies, and the positioning protrusion 282 is connected to the positioning cylinder 281; when the workpiece to be tested on the transmission plate 22 moves to the bottom of the clamping mechanism 3, the two positioning protrusions 282 are clamped on both sides of the transmission plate 22 under the drive of the positioning cylinder 281. In this embodiment, the present application positions the workpiece to be tested set on the transmission plate 22 through the positioning assembly 28 to improve the accuracy of the test.

[0056] In some embodiments, see Figure 3The clamping mechanism 3 includes a displacement assembly and a clamping assembly 33; the displacement assembly is fixed to the frame body 1, and the clamping assembly 33 is fixed to the displacement assembly. The present application performs vertical lifting through the lifting assembly 31, radial and lateral movement through the lateral movement assembly 32, and moves the workpiece to be tested set on the transmission plate 22 to the test extension through the clamping assembly 33, and realizes two-axis displacement through the lifting assembly 31 and the lateral movement assembly 32.

[0057] In one implementation of the above embodiment, the displacement assembly includes a lifting assembly 31 and a transverse movement assembly 32; the lifting assembly 31 is fixed on the frame body 1, one end of the transverse movement assembly 32 is fixed on the first slide 312 of the lifting assembly 31, and the other end of the transverse movement assembly is connected to the clamping assembly 33. The lifting assembly 31 also includes a lifting bracket 311 and a second servo motor 313. The lifting bracket 311 is fixed on the frame, and a slide rail is provided on one side of the lifting bracket 311. The first slide 312 is connected to the second servo motor 313 and is slidably provided on the slide rail of the lifting bracket 311. The transverse movement assembly 32 and the clamping assembly 33 provided on the first slide 312 are driven by the second servo motor 313 to move up and down. The transverse moving assembly 32 includes a transverse moving bracket 321, a first gas rod 322, a slider 323, and a second slide 324. The transverse moving bracket 321 is fixed on the first slide 312. The first gas rod 322 is fixed in the middle of the transverse moving bracket 321. A slide rail is arranged at the lower end of the transverse moving bracket 321. The second slide 324 is connected to the first gas rod 322 through the slider 323 and is slidably connected to the slide rail. The clamping assembly 33 is fixed on the second slide 324. Buffers are also arranged on both sides of the transverse moving bracket 321. A baffle matching the buffers is arranged on the side of the second slide 324. The clamping assembly 33 arranged on the second slide 324 is driven by the first gas rod 322 to move laterally. The buffer protects the clamping mechanism 3 and improves the service life of the test rack.

[0058] In one implementation of the above embodiment, see Figure 4 The clamping assembly 33 includes a clamping bracket 331, a clamping cylinder 332, and two clamping members 333; the clamping bracket 331 is fixed on the second slide 324, the clamping cylinder 332 is fixed in the middle of the lower surface of the clamping bracket 331, and slide rails are also provided on both sides of the lower surface of the clamping bracket 331. The two clamping members 333 are respectively slidably connected to the two ends of the slide rails and pneumatically connected to the clamping cylinder 332; the two clamping members 333 are arranged relative to each other to form a clamping space for clamping the workpiece to be measured. In this embodiment, the present application is driven by the clamping cylinder 332 to make the two clamping members 333 present a clamping or opening state. When the clamping mechanism 3 moves the clamping assembly 33 to the workpiece to be measured through the lifting assembly 31 and the lateral movement assembly 32, the clamping member 333 is clamped at both ends of the workpiece to be measured by pulling through the clamping cylinder 332.

[0059] In such Figure 5-6In the illustrated embodiment, the present application also discloses a test extension, which is assembled with a test rack and includes an extension body 4 and a feeding mechanism 6, a testing mechanism 7, and a feeding plate 5 arranged on the extension body 4;

[0060] The feeding mechanism 6 is arranged in the middle of the extension body 4, and the test mechanism 7 is arranged below the feeding mechanism 6; the feeding plate 5 is slidably connected to the feeding mechanism 6, and the feeding plate 5 is convexly arranged on the side of the extension body 4 adjacent to the test rack or arranged above the test mechanism 7. In this embodiment, the feeding plate 5 is used to place the workpiece to be tested transmitted from the test rack, and the feeding plate 5 is displaced by the feeding mechanism 6. At the starting point of the stroke, the feeding plate 5 is convexly arranged outside the test extension and adjacent to the test rack. At the same time, the feeding plate 5 is within the moving feeding range of the clamping mechanism 3 of the test rack. At the end of the stroke, the workpiece to be tested set on the feeding plate 5 moves to the top of the test mechanism 7, and a test probe 72 is provided to detect the workpiece to be tested.

[0061] In some embodiments, the feeding mechanism 6 includes a feeding bracket, a second gas rod 61, a connecting block 62, and a feeding tray 63; the feeding bracket is fixed in the extension body 4, and slide grooves are provided on both sides of the feeding bracket, and the second gas rod 61 is arranged on the feeding bracket along a slide groove; a slide rail matching the slide groove is provided at the bottom of the feeding tray 63, and the feeding tray 63 is connected to the second gas rod 61 through the connecting block 62; a placement groove for placing the feeding plate 5 is dug in the middle of the feeding tray 63. In this embodiment, the present application is driven by the second gas rod 61 to move the feeding plate 5 to the testing mechanism 7 for testing.

[0062] In some embodiments, the test mechanism 7 includes a test board 71 and at least one test probe 72 plugged into the test board 71. When the workpiece to be tested on the feeding tray 63 moves to the top of the test mechanism 7, the workpiece to be tested is tested by the test probe 72. In this embodiment, when the workpiece to be tested is moved to the test mechanism 7 through the feeding mechanism 6, the test probe 72 is connected to the workpiece to be tested and is directly tested through the workpiece to be tested; in addition, the present application can also provide a displacement component on the test probe 72, and move the test probe 72 to the top of the workpiece to be tested through the displacement component for testing.

[0063] In such Figure 7-9 In the embodiment shown, the present application also discloses a test system, including the above-mentioned test rack and the above-mentioned test extension; the test extension is installed in the test rack along the test station 11, and the workpiece to be tested is moved to the test extension for testing through the test rack. In this embodiment, the test extension is moved to the test station 11 and assembled with the test rack for use; the fully automatic test of the workpiece to be tested is realized, the test efficiency and production efficiency are improved, and the production cost is reduced.

[0064] In some embodiments, a lifting mechanism 8 is further provided on both sides of the test station 11, and at least one follower 41 is further provided on the outer side of the extension body 4; the lifting mechanism 8 includes a lifting bracket 81, a lifting cylinder 82, a transmission rod 83, a first roller 84, a second roller 85, and a fixed block 86; the lifting cylinder 82 and the lifting bracket 81 are fixed on the frame body 1, the fixed block 86 is provided on the lifting bracket 81, the lifting cylinder 82 is connected to the transmission rod 83, the first roller 84 and the second roller 85 are connected to the transmission rod 83 and are rotatably connected to the lifting bracket, the first roller 84 is abutted against the fixed block 86, and the second roller 85 is provided at the end of the transmission rod 83; the first roller 84, the second roller 85, and the fixed block 86 are all provided with a clamping groove 87, the follower 41 is clamped in the clamping groove 87, and the inner follower 41 is fixed by the first roller 84 and the fixed block 86. In this embodiment, the test extension is first pushed into the test rack, and the test extension positioning lifting button is pressed. The upper cylinder 82 pushes the transmission rod 83 to drive the first roller 84 and the second roller 85 to rotate and hook the follower 41 on the test extension. The upper cylinder 82 continues to push to lift the trolley off the ground; repeat this action to complete the combination of the two test trolleys and the combined rack to form an automatic test rack, which realizes automatic test products entering from the feeding line, and the clamping mechanism 3 puts the workpiece to be tested into the test extension for testing.

[0065] In some embodiments, a positioning hole 12 is further provided inside the test station 11, and a positioning pin 42 is further provided outside the extension body 4, and the extension tester is positioned on the test station 11 by inserting the positioning pin into the positioning hole 12. When the extension tester is lifted by the upper cylinder 82, the secondary alignment pin on the extension tester is inserted into the secondary positioning reference of the test trolley to complete the precise positioning, further improving the stability of the connection between the test frame and the extension tester.

[0066] Obviously, the above embodiments of the present application are merely examples for clearly illustrating the present application, and are not intended to limit the implementation methods of the present application. For those of ordinary skill in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all implementation methods here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present application should be included in the protection scope of the claims of the present application.

Claims

1. A test rack, characterized in that: It is used for assembly with a test extension, and comprises a rack body (1) and a transmission mechanism (2) and a clamping mechanism (3) arranged in the rack body (1); One side of the frame body (1) is opened to form at least one test station (11) for accommodating a test extension; the transmission mechanism (2) is connected to both sides of the frame body (1); the test station (11) is vertically arranged along one side of the transmission mechanism (2); one end of the clamping mechanism (3) is arranged on the other side of the transmission mechanism (2); and the free end of the clamping mechanism (3) is arranged above the transmission mechanism (2) or the test station (11); The workpiece arranged on the transmission mechanism (2) is moved by the clamping mechanism to a test sub-machine arranged on the test station (11) for testing; Wherein, the transmission mechanism (2) comprises a transmission bracket (21), a linkage assembly, a transmission plate (22), a connecting rod (23), and a first servo motor (24); The transmission bracket (21) is a U-shaped structure in cross section, and the bottom of the transmission bracket (21) is fixed on the frame body (1); the two linkage components are arranged on both sides of the transmission bracket (21) in a relative manner; The linkage assembly comprises a driving wheel group (25), a driven wheel (26), and a transmission belt (27); the driving wheel group (25) is arranged in the middle of the transmission bracket (21), the two driven wheels (26) are arranged at two ends of the transmission bracket (21), and the transmission belt (27) is sleeved on the driving wheel group (25) and the driven wheels (26); the connecting rod (23) is connected to the driving wheel groups (25) of the two linkage assemblies, and the connecting rod (23) is also connected to a first servo motor (24) fixed to the bottom of the transmission bracket (21) through a belt; The transmission plate (22) is arranged on the transmission belts (27) of the two linkage components; It also includes a positioning assembly (28), the positioning assembly (28) including a positioning cylinder (281) and a positioning protrusion (282), the positioning cylinder (281) is fixed on the transmission bracket (21) and arranged between the two linkage assemblies, and the positioning protrusion (282) is connected to the positioning cylinder (281); When the workpiece to be measured on the transmission plate (22) moves to below the clamping mechanism (3), the two positioning protrusions (282) are clamped on both sides of the transmission plate (22) under the drive of the positioning cylinder (281); the clamping mechanism (3) comprises a displacement component and a clamping component (33); the displacement component is fixed to the frame body (1), and the clamping component (33) is fixed to the displacement component.

2. The test rack according to claim 1, characterized in that: The displacement assembly comprises a lifting assembly (31) and a transverse movement assembly (32); the lifting assembly (31) is fixed on the frame body (1); one end of the transverse movement assembly (32) is fixed on a first slide table (312) of the lifting assembly (31); The lifting assembly (31) further comprises a lifting bracket (311) and a second servo motor (313); the lifting bracket (311) is fixed on the frame body (1); a slide rail is provided on one side of the lifting bracket (311); the first slide platform (312) is connected to the second servo motor (313) and is slidably provided on the slide rail of the lifting bracket (311); The transverse movement component (32) comprises a transverse movement bracket (321), a first gas rod (322), a slider (323), and a second slide (324); the transverse movement bracket (321) is fixed on the first slide (312); the first gas rod (322) is fixed in the middle of the transverse movement bracket (321); a slide rail is arranged at the lower end of the transverse movement bracket (321); the second slide (324) is connected to the first gas rod (322) through the slider (323) and is slidably connected to the slide rail; the clamping component (33) is fixed on the second slide (324); buffer components are also arranged on both sides of the transverse movement bracket (321); and baffles matching the buffer components are arranged on the sides of the second slide (324).

3. The test rack according to claim 2, characterized in that: The clamping assembly (33) comprises a clamping bracket (331), a clamping cylinder (332), and two clamping members (333); The clamping bracket (331) is fixed on the second slide (324), the clamping cylinder (332) is fixed to the middle part of the lower surface of the clamping bracket (331), and slide rails are provided on both sides of the lower surface of the clamping bracket (331), and the two clamping members (333) are respectively slidably connected to the two ends of the slide rails and pneumatically connected to the clamping cylinder (332); The two clamping members (333) are arranged opposite to each other to form a clamping space for clamping the workpiece to be measured.

4. Test extension, characterized in that, Assembled with the test rack according to any one of claims 1 to 3, comprising an extension body (4) and a feeding mechanism (6), a testing mechanism (7), and a feeding plate (5) arranged on the extension body (4); The feeding mechanism (6) is arranged in the middle of the extension body (4), and the testing mechanism (7) is arranged below the feeding mechanism (6); the feeding plate (5) is slidably connected to the feeding mechanism (6), and the feeding plate (5) is protrudingly arranged outside the extension body (4) and within the clamping stroke range of the clamping mechanism of the testing frame or arranged above the testing mechanism (7).

5. The test extension according to claim 4, characterized in that: The feeding mechanism (6) comprises a feeding bracket, a second gas rod (61), a connecting block (62), and a feeding tray (63); The feeding bracket is fixed in the extension body (4), and slide grooves are provided on both sides of the feeding bracket. The second gas rod (61) is arranged on the feeding bracket along a slide groove; a slide rail matching the slide groove is provided at the bottom of the feeding tray (63), and the feeding tray (63) is connected to the second gas rod (61) via a connecting block (62); A placement groove for placing the feeding plate (5) is dug in the middle of the feeding tray (63).

6. The test extension according to claim 5, characterized in that: The testing mechanism (7) comprises a testing board (71) and at least one testing probe (72) plugged into the testing board (71); when the workpiece to be tested on the feeding tray (63) moves above the testing mechanism (7), the workpiece to be tested is tested by the testing probe (72).

7. A test system, characterized in that It comprises the test rack according to any one of claims 1 to 3 and the test extension according to any one of claims 4 to 6; The test sub-machine is installed in the test frame along the test station (11), and the workpiece to be tested is moved to the test sub-machine through the test frame for testing.

8. The test system according to claim 7, characterized in that: Both sides of the test station (11) are provided with lifting mechanisms (8), and the exterior of the extension body (4) is provided with at least one follower (41); The lifting mechanism (8) comprises a lifting bracket (81), a lifting cylinder (82), a transmission rod (83), a first roller (84), a second roller (85), and a fixing block (86); the lifting cylinder (82) and the lifting bracket (81) are fixed on the frame body (1); the fixing block (86) is arranged on the lifting bracket (81); the lifting cylinder (82) is connected to the transmission rod (83); the first roller (84) and the second roller (85) are connected to the transmission rod (83) and are rotatably connected to the lifting bracket; the first roller (84) is abutted against the fixing block (86); and the second roller (85) is arranged at the end of the transmission rod (83); The first roller (84), the second roller (85) and the fixed block (86) are all provided with a clamping groove (87), the follower (41) is clamped in the clamping groove (87), and the follower (41) is fixed inside by the first roller (84) and the fixed block (86).

9. The test system according to claim 7, characterized in that: A positioning hole (12) is also provided on the inner side of the test station (11), and a positioning pin (42) is also provided on the outer side of the extension body (4). The test extension is positioned on the test station (11) by inserting the positioning pin into the positioning hole (12).

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