Double-sided testing machine

Abstract

The utility model discloses a double-sided testing machine which comprises a rack, and a first testing host, a second testing host, a feeding posture adjusting mechanism and a material moving mechanism which are respectively connected with the rack, the feeding posture adjusting mechanism comprises a base, a conveying device, a jacking device and a jacking rotating device, the base is fixed to the machine frame, the conveying device and the jacking device are both connected to the base, the conveying device is used for receiving products in the first posture, the jacking device is used for jacking the products located on the conveying device, and the jacking rotating device is used for rotating the products in the first posture. The jacking and rotating device is connected to the jacking device and used for driving the product in the first posture to be jacked upwards, then rotated to the second posture and put back to the jacking device. The material moving mechanism is arranged between the first test host and the second test host and is used for moving the product jacked up by the jacking device into the first test host or the second test host; the utility model mainly solves the technical problem of how to meet the double-sided test of the product.

Description

Technical Field

[0001] This utility model relates to the technical field of automated testing, and in particular to a double-sided testing machine. Background Technology

[0002] Current aging test lines can only perform aging tests on one side of a product (i.e., only one side of the product can be tested). When aging tests are needed on another side of the product, the product must be transferred to a second aging test line to complete the test. Aging test can be understood as sending the product to the corresponding test station and then subjecting it to power, air, or liquid at a preset high or low temperature to simulate the normal use of the product. After a specified time, the performance of the product after the test is judged to meet the standards. The current technology uses two aging test lines, which is not only costly but also takes up a lot of space.

[0003] Therefore, improvements to existing technologies are necessary. Utility Model Content

[0004] This utility model provides a double-sided testing machine, which mainly solves the technical problem of how to enable double-sided testing of products.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A double-sided testing machine includes a frame and a first testing host, a second testing host, a feeding posture adjustment mechanism, and a material transfer mechanism, which are respectively connected to the frame.

[0007] The first test host is used to perform aging tests on products in a first posture, and the second test host is used to perform aging tests on products in a second posture.

[0008] The feeding posture adjustment mechanism includes a base, a conveying device, a lifting device, and a lifting and rotating device. The base is fixed to the frame, and the conveying device and the lifting device are both connected to the base. The conveying device is used to receive products in a first posture, and the lifting device is used to lift the products located on the conveying device upwards. The lifting and rotating device is connected to the lifting device and is used to drive the products in the first posture upwards and rotate them to a second posture before returning them to the lifting device. The material transfer mechanism is located between the first testing host and the second testing host and is used to transfer the products lifted by the lifting device into the first testing host or move them into the second testing host.

[0009] In one of the technical solutions, the conveying device includes two belt conveyor lines spaced apart, and the lifting device and the lifting and rotating device are both arranged between the two belt conveyor lines.

[0010] In one of the technical solutions, the lifting device includes a first driver, a lifting seat, and two trays;

[0011] The lifting seat and the base are slidably connected in the vertical direction. The first driver is fixed on the base and connected to the lifting seat. The first driver is used to drive the lifting seat to slide up and down relative to the base. Both of the pallets are fixed to the top of the lifting seat and are spaced apart to jointly lift the product. The lifting and rotating device is disposed between the two pallets.

[0012] In one of the technical solutions, the lifting and rotating device includes a second driver, a lifting seat, a third driver, and a rotating plate connected in sequence;

[0013] The lifting seat and the lifting seat are slidably connected in the vertical direction. The second driver is fixed on the lifting seat and is used to drive the lifting seat, the third driver and the rotating plate to move together in the vertical direction. The rotating plate is rotatably connected to the lifting seat with the vertical axis as the rotation axis. The third driver is used to drive the rotating plate to rotate relative to the lifting seat.

[0014] In one of the technical solutions, the material transfer mechanism includes an X-axis linear module, a Z-axis linear module, a support component, a Y-axis linear module, and a push-pull component connected in sequence. The push-pull component is used to hook the product on the lifting device, and the push-pull component is used to pull the product on the lifting device onto the support component. Alternatively, the push-pull component is used to push the product on the support component into the first test host or the second test host.

[0015] In one of the technical solutions, the Z-axis linear module includes a first lead screw module, a second lead screw module, and a synchronous transmission structure connected between the first lead screw module and the second lead screw module. The support component and the Y-axis linear module are both located between the first lead screw module and the second lead screw module, and are respectively connected to the first lead screw module and the second lead screw module.

[0016] In one of the technical solutions, the push-pull assembly includes at least two hooks arranged sequentially along the Y direction, and each hook has an upwardly protruding hook post.

[0017] In one of the technical solutions, the first test host includes a plurality of first test stations arranged sequentially along the X direction, and the second test host includes a plurality of second test stations arranged sequentially along the X direction. Each first test station has a first movable door that is slidably connected to the frame along the X direction on the side facing the second test station, and each second test station has a second movable door that is slidably connected to the frame along the X direction on the side facing the first test station.

[0018] The material transfer mechanism further includes a first door opening and closing device and a second door opening and closing device connected to the support assembly. The first door opening and closing device is used to be inserted into the first movable door along the Y direction, and the second door opening and closing device is used to be inserted into the second movable door along the Y direction.

[0019] In one of the technical solutions, the first or second door opening / closing device includes a connected drive cylinder and a telescopic rod, wherein the drive cylinder is used to drive the telescopic rod to be inserted into the first or second movable door.

[0020] In one of the technical solutions, the double-sided testing machine further includes a discharge posture adjustment mechanism connected to the frame. The material transfer mechanism is used to transfer the product located in the first testing host or the second testing host to the discharge posture adjustment mechanism. The structure of the discharge posture adjustment mechanism is the same as that of the feeding posture adjustment mechanism.

[0021] Compared with the prior art, the double-sided testing machine provided by this utility model has at least the following beneficial effects:

[0022] In operation, the conveying device on the feeding posture adjustment mechanism receives the product from the outside. At this time, the product is in the first posture. Then, the lifting device drives the product on the conveying device to be lifted upward, so that the product is lifted off the conveying device and is in a state of waiting to be picked up by the transfer mechanism.

[0023] If there is an empty space in the first test host, the transfer mechanism directly takes the product from the lifting device and sends the product into the first test host, and the first test host tests the product in the first posture.

[0024] If there is space in the second testing host, the product in the first posture is first lifted and rotated to the second posture by the lifting and rotating device, and then placed back on the lifting device. Then the material transfer mechanism takes the product from the lifting device and sends the product into the second testing host. Then the second testing host tests the product in the second posture.

[0025] As can be seen from the above, this solution only requires setting up two core test hosts, and then setting up a feeding posture adjustment mechanism and a material transfer mechanism shared by the two test hosts. This allows the product to be tested in both postures. In other words, this solution can achieve double-sided testing of the product. Since this solution does not require the use of two complete test lines, it has the advantages of low cost and small space occupation while achieving double-sided testing of the product. This solution can be applied in specific high-temperature aging testing fields or other testing fields. Attached Figure Description

[0026] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0027] Figure 1 This is a schematic diagram of the structure of a double-sided testing machine provided in an embodiment of this application;

[0028] Figure 2 This is a schematic diagram of the feeding posture adjustment mechanism provided in the embodiments of this application;

[0029] Figure 3 A schematic diagram of the feeding posture adjustment mechanism provided in the embodiments of this application after the conveying device is hidden;

[0030] Figure 4 for Figure 3 The structure shown is an exploded view of the structure.

[0031] Figure 5 This is a schematic diagram of the material transfer mechanism provided in the embodiments of this application;

[0032] Figure 6 for Figure 5 A magnified view of a section at point A in the middle;

[0033] Figure 7 for Figure 6 A magnified view of a section at point B in the middle.

[0034] Figure label:

[0035] 1. Rack; 2. First test host; 21. First test station; 22. First access door; 3. Second test host; 31. Second test station; 32. Second access door;

[0036] 4. Feeding posture adjustment mechanism; 41. Base; 42. Conveying device; 421. Belt conveyor line; 43. Lifting device; 431. First driver; 432. Lifting seat; 433. Pallet; 434. First roller; 44. Lifting and rotating device; 441. Second driver; 442. Lifting seat; 443. Third driver; 444. Rotating plate;

[0037] 5. Material transfer mechanism; 51. X-axis linear module; 52. Z-axis linear module; 521. First lead screw module; 522. Second lead screw module; 523. Synchronous transmission structure; 53. Support assembly; 54. Y-axis linear module; 55. Push-pull assembly; 551. Hook; 552. Hook column; 56. Second roller; 57. First door opening and closing device; 571. Drive cylinder; 572. Telescopic rod; 58. Second door opening and closing device; 6. Material discharge posture adjustment mechanism. Detailed Implementation

[0038] To make the technical problems, technical solutions, and beneficial effects to be solved by this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and are not intended to limit the scope of this application.

[0039] It should be noted that when a component is referred to as being "fixed to" or "set on" another component, it can be directly on or indirectly on that other component. When a component is referred to as being "connected to" another component, it can be directly connected to or indirectly connected to that other component.

[0040] It should be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0041] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, "multiple" means two or more, unless otherwise explicitly specified.

[0042] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments.

[0043] Please refer to the following: Figures 1 to 5 This utility model provides a double-sided testing machine, which mainly includes a frame 1 and a first testing host 2 and a second testing host 3 respectively connected to the frame 1. The first testing host 2 is used to test a product in a first posture, and the second testing host 3 is used to test a product in a second posture. Preferably, the product in the first posture is rotated 180° to the second posture. In this embodiment, both the first testing host 2 and the second testing host 3 are preferably aging testing hosts, that is, the product simulates normal use within a specified time in both the first testing host 2 and the second testing host 3 to determine whether the product's performance after a specified period of use meets preset requirements. In other embodiments, the first testing host 2 and the second testing host 3 can also perform other tests on the product. The double-sided testing machine of this embodiment mainly solves the technical problem of how to meet the requirement of double-sided testing of products. To this end, the double-sided testing machine of this embodiment also includes a feeding posture adjustment mechanism 4 and a transfer mechanism 5 connected to the frame 1. The feeding posture adjustment mechanism 4 is used to receive a product from the outside in the first posture and can drive the product to rotate to the second posture. The material transfer mechanism 5 is located between the first test host 2 and the second test host 3, and is used to transfer the product on the feeding posture adjustment mechanism 4 in the first posture to the first test host 2, or to transfer the product on the feeding posture adjustment mechanism 4 in the second posture to the second test host 3, thereby achieving the purpose of double-sided product testing.

[0044] Please refer to the following: Figures 2 to 4 The feeding posture adjustment mechanism 4 specifically includes a base 41, a conveying device 42, a lifting device 43, and a lifting and rotating device 44. The base 41 is fixed to the frame 1. The conveying device 42 and the lifting device 43 are both connected to the base 41. The conveying device 42 receives the product in a first posture along the X direction. The lifting device 43 lifts the product on the conveying device 42 upwards, causing the product to detach from the conveying device 42 upwards along the Z direction. The lifting and rotating device 44 is connected to the lifting device 43. When the lifting device 43 lifts the product upwards, the lifting and rotating device 44 and the product rise together. The lifting and rotating device 44 drives the product in the first posture to be further lifted upwards and rotated to a second posture before being returned to the lifting device 43. The aforementioned material transfer mechanism 5 is actually used to transfer the product lifted by the lifting device 43 to the first testing host 2 or to the second testing host 3.

[0045] To elaborate further, during operation, the conveyor 42 on the feeding posture adjustment mechanism 4 receives products from the outside along the X direction, at which point the product is in the first posture. Then, the lifting device 43 drives the product on the conveyor 42 to be lifted upwards in the Z direction, causing the product to detach from the conveyor 42 and be placed in a state where it awaits to be picked up by the transfer mechanism 5. If there is space in the first testing host 2, the transfer mechanism 5 directly picks up the product from the lifting device 43 along the Y direction and sends it into the first testing host 2, where the first testing host 2 tests the product in the first posture. If there is space in the second testing host 3, the lifting and rotating device 44 first drives the product in the first posture to be lifted upwards and rotated to the second posture before placing it back on the lifting device 43. Then, the transfer mechanism 5 picks up the product from the lifting device 43 along the Y direction and sends it into the second testing host 3, where the second testing host 3 tests the product in the second posture. As can be seen from the above, this solution only requires setting up two core test hosts, and then setting up a feeding posture adjustment mechanism 4 and a material transfer mechanism 5 shared by the two test hosts, so that the product can be tested in both postures. That is, this solution can achieve double-sided testing of the product. Since this solution does not require the use of two complete test lines, this solution has the advantages of low cost and small space occupation while achieving double-sided testing of the product.

[0046] Please see Figure 2 The conveying device 42 preferably includes two belt conveyor lines 421 arranged at intervals, and the aforementioned lifting device 43 and lifting rotating device 44 are arranged between the two belt conveyor lines 421.

[0047] Please refer to the following: Figures 2 to 4 The lifting device 43 specifically includes a first driver 431, a lifting seat 432, and two support plates 433. The lifting seat 432 is slidably connected to the base 41 in the vertical direction by means of a linear bearing and a guide rail. The first driver 431 is fixed on the base 41 and connected to the lifting seat 432. The first driver 431 is preferably a cylinder. The first driver 431 is used to drive the lifting seat 432 to slide up and down relative to the base 41. The two support plates 433 are both fixed on the top of the lifting seat 432 and are spaced apart to jointly lift the product. The lifting and rotating device 44 is connected to the lifting seat 432 and is disposed between the two support plates 433. During operation, the lifting seat 432 is driven to rise or fall by the first driver 431, which in turn drives the two pallets 433 and the entire lifting and rotating device 44 to rise or fall together. The two pallets 433 are equipped with first rollers 434 in the Y direction to reduce the friction force on the product when it is taken away by the transfer mechanism 5 in the Y direction, thereby reducing the risk of the bottom of the product being scratched.

[0048] Please refer to the following: Figures 2 to 4 The lifting and rotating device 44 specifically includes a second driver 441, a lifting seat 442, a third driver 443, and a rotating plate 444 connected in sequence. The lifting seat 442 is slidably connected to the lifting seat 432 in the vertical direction by means of linear bearings and guide rods. The second driver 441 is preferably a cylinder. The second driver 441 is fixed on the lifting seat 432 and is used to drive the lifting seat 442, the third driver 443, and the rotating plate 444 to move together in the vertical direction. The rotating plate 444 is rotatably connected to the lifting seat 442 with the vertical axis as the rotation axis. The third driver 443 is preferably a motor. The third driver 443 is used to drive the rotating plate 444 to rotate relative to the lifting seat 442. Preferably, the third driver 443 drives the rotating plate 444 to rotate relative to the lifting seat 442 by means of gear and rack reduction. During operation, when the product needs to be adjusted to the second posture, the second driver 441 drives the lifting seat 442, the third driver 443 and the rotating plate 444 to move upward, so that the product is lifted upward by the rotating plate 444 to get off the lifting device 43. Then the third driver 443 drives the rotating plate 444 to rotate, so that the product is rotated to the second posture. Then the second driver 441 drives the lifting seat 442, the third driver 443 and the rotating plate 444 to move downward, so that the product is lowered back onto the lifting device 43. At this time, the product is in the second posture and waits for the transfer mechanism 5 to take it away.

[0049] Please refer to the following: Figure 5 and Figure 6 The material transfer mechanism 5 specifically includes an X-axis linear module 51, a Z-axis linear module 52, a support assembly 53, a Y-axis linear module 54, and a push-pull assembly 55 connected in sequence. The push-pull assembly 55 hooks onto the product on the lifting device 43. Driven by the Y-axis linear module 54, the push-pull assembly 55 pulls the product from the lifting device 43 onto the support assembly 53. Alternatively, driven by the Y-axis linear module 54, the push-pull assembly 55 pushes the product on the support assembly 53 into the first testing host 2 or the second testing host 3. Preferably, the support assembly 53 has multiple second rollers 56 in the Y direction to reduce the friction force experienced by the product when it enters the support assembly 53 in the Y direction, thus reducing the risk of scratching the bottom of the product. The X-axis linear module 51, due to its long required stroke, is preferably a gear and rack structure driven by an electric motor. The Z-axis linear module 52 and the Y-axis linear module 54 are both preferably lead screw linear modules. During operation, the push-pull assembly 55 can be driven to move in three axes under the three-axis linkage of the X-axis linear module 51, the Z-axis linear module 52, and the Y-axis linear module 54. This allows the push-pull assembly 55 to hook the product and move it onto the support assembly 53, and to deliver the product on the support assembly 53 to the first test host 2 or the second test host 3.

[0050] Please refer to the following: Figure 5 and Figure 6 The push-pull assembly 55 specifically includes at least two hooks 551 arranged sequentially along the Y direction. Each hook 551 has an upwardly protruding hook post 552. During operation, driven upward by the Z-axis linear module 52, the hook post 552 can directly or indirectly hook the product. Driven by the Y-axis linear module 54, the product can be moved from the lifting device 43 along the Y direction to the support assembly 53, or, driven by the Y-axis linear module 54, the product can be moved from the support assembly 53 along the Y direction to the first test host 2 or the second test host 3. Preferably, there are multiple hooks 551. By having multiple hooks 551 hook the product in conjunction with the Z-axis linear module 52 and the Y-axis linear module 54, the product can be pulled onto the support assembly 53 multiple times, or pushed into the first test host 2 or the second test host 3 multiple times. This structural design allows the Y-axis linear module 54 to achieve long-distance product transfer in the Y direction even with a relatively short length in the Y direction, reducing the length of the transfer mechanism 5 in the Y direction and thus further reducing the space occupied by the double-sided testing machine in the Y direction.

[0051] Please refer to the following: Figure 5 and Figure 6 The Z-axis linear module 52 specifically includes a first lead screw module 521, a second lead screw module 522, and a synchronous transmission structure 523 spaced apart. The synchronous transmission structure 523 is connected between the first lead screw module 521 and the second lead screw module 522. The aforementioned support component 53 and the Y-axis linear module 54 are both located between the first lead screw module 521 and the second lead screw module 522, and are respectively connected to the first lead screw module 521 and the second lead screw module 522. The synchronous transmission structure 523 is used to realize the synchronous rotation of the first lead screw module 521 and the second lead screw module 522. Through this design, both ends of the support component 53 and both ends of the Y-axis linear module 54 can be driven up and down, and the smoothness of the movement of the support component 53, the Y-axis linear module 54, and the push-pull component 55 in the Z direction is improved, preventing the support component 53 and the Y-axis linear module 54 from getting stuck when moving up and down. The synchronous transmission structure 523 preferably includes multiple synchronous pulleys and a synchronous belt wound around the multiple synchronous pulleys, with the first lead screw module 521 and the second lead screw module 522 respectively connected to a corresponding synchronous pulley.

[0052] Please refer to the following: Figure 1 , Figures 5 to 7The first testing host 2 specifically includes multiple first testing stations 21, and the second testing host 3 includes multiple second testing stations 31. Each first testing station 21 has a first movable door 22 that is slidably connected to the frame 1 along the X direction on the side facing the second testing station 31. Each second testing station 31 has a second movable door 32 that is slidably connected to the frame 1 along the X direction on the side facing the first testing station 21. The material transfer mechanism 5 also includes a first opening and closing device 57 and a second opening and closing device 58 connected to the support component 53. During testing, the first opening and closing device 57 is inserted into the first movable door 22 along the Y direction, and then the first movable door 22 is closed under the drive of the X-axis linear module 51, so that the product undergoes a sealed high-temperature aging test in the first testing host 2. Similarly, the second opening and closing device 58 is inserted into the second movable door 32 along the Y direction, and then the second movable door 32 is closed under the drive of the X-axis linear module 51, so that the product undergoes a sealed high-temperature aging test in the second testing host 3. After the test, the first door opening / closing device 57 is re-inserted into the first movable door 22 along the Y direction. Then, driven by the X-axis linear module 51, the first movable door 22 is opened, and the push-pull assembly 55 removes the tested product from the first test host 2. Similarly, the second door opening / closing device 58 is re-inserted into the second movable door 32 along the Y direction. Then, driven by the X-axis linear module 51, the second movable door 32 is opened, and the push-pull assembly 55 removes the tested product from the second test host 3. Both the first door opening / closing device 57 and the second door opening / closing device 58 include a connected drive cylinder 571 and a telescopic rod 572. The drive cylinder 571 drives the telescopic rod 572 to be inserted into either the first movable door 22 or the second movable door 32.

[0053] Please see Figure 1 The double-sided testing machine in this embodiment also includes a discharge posture adjustment mechanism 6, which is connected to the frame 1. After the product in the first testing host 2 or the second testing host 3 has been tested, the transfer mechanism 5 transfers the product located in the first testing host 2 and the second testing host 3 to the discharge posture adjustment mechanism 6. The structure of the discharge posture adjustment mechanism 6 is the same as that of the feeding posture adjustment mechanism 4. Specifically, if the function of the discharge posture adjustment mechanism 6 is to send the product in the first posture outward, and the product received by the discharge posture adjustment mechanism 6 is from the second testing host 3, then the product needs to be adjusted from the second posture to the first posture by the discharge posture adjustment mechanism 6 before discharge; if the function of the discharge posture adjustment mechanism 6 is to send the product in the second posture outward, and the product received by the discharge posture adjustment mechanism 6 is from the first testing host 2, then the product needs to be adjusted from the first posture to the second posture by the discharge posture adjustment mechanism 6 before discharge.

[0054] The above are merely preferred embodiments of the present utility model, and only specifically describe the technical principles of the present utility model. These descriptions are only for explaining the principles of the present utility model and should not be construed as limiting the scope of protection of the present utility model in any way. Based on this explanation, any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present utility model, as well as other specific embodiments of the present utility model that can be conceived by those skilled in the art without creative effort, should be included within the scope of protection of the present utility model.

Claims

1. A double-sided testing machine, characterized in that, It includes a frame and a first test host, a second test host, a feeding posture adjustment mechanism, and a material transfer mechanism, which are respectively connected to the frame; The first test host is used to test the product in a first posture, and the second test host is used to test the product in a second posture; The feeding posture adjustment mechanism includes a base, a conveying device, a lifting device, and a lifting and rotating device. The base is fixed to the frame, and the conveying device and the lifting device are both connected to the base. The conveying device is used to receive products in a first posture, and the lifting device is used to lift the products located on the conveying device upwards. The lifting and rotating device is connected to the lifting device and is used to drive the products in the first posture upwards and rotate them to a second posture before returning them to the lifting device. The material transfer mechanism is located between the first testing host and the second testing host and is used to transfer the products lifted by the lifting device into the first testing host or move them into the second testing host.

2. The double-sided testing machine as described in claim 1, characterized in that, The conveying device includes two belt conveyor lines spaced apart, and the lifting device and the lifting and rotating device are both arranged between the two belt conveyor lines.

3. The double-sided testing machine as described in claim 1, characterized in that, The lifting device includes a first drive unit, a lifting seat, and two support plates; The lifting seat and the base are slidably connected in the vertical direction. The first driver is fixed on the base and connected to the lifting seat. The first driver is used to drive the lifting seat to slide up and down relative to the base. Both of the pallets are fixed to the top of the lifting seat and are spaced apart to jointly lift the product. The lifting and rotating device is connected to the lifting seat and is disposed between the two pallets.

4. The double-sided testing machine as described in claim 3, characterized in that, The lifting and rotating device includes a second driver, a lifting base, a third driver, and a rotating plate connected in sequence. The lifting seat and the lifting seat are slidably connected in the vertical direction. The second driver is fixed on the lifting seat and is used to drive the lifting seat, the third driver and the rotating plate to move together in the vertical direction. The rotating plate is rotatably connected to the lifting seat with the vertical axis as the rotation axis. The third driver is used to drive the rotating plate to rotate relative to the lifting seat.

5. The double-sided testing machine as described in claim 1, characterized in that, The material transfer mechanism includes an X-axis linear module, a Z-axis linear module, a support component, a Y-axis linear module, and a push-pull component connected in sequence. The push-pull component is used to directly or indirectly hook the product on the lifting device. The push-pull component is used to pull the product on the lifting device onto the support component under the drive of the Y-axis linear module. Alternatively, the push-pull component is used to push the product on the support component into the first test host or the second test host under the drive of the Y-axis linear module.

6. The double-sided testing machine as described in claim 5, characterized in that, The Z-axis linear module includes a first lead screw module, a second lead screw module, and a synchronous transmission structure connected between the first lead screw module and the second lead screw module. The support component and the Y-axis linear module are both located between the first lead screw module and the second lead screw module, and are respectively connected to the first lead screw module and the second lead screw module.

7. The double-sided testing machine as described in claim 5, characterized in that, The push-pull assembly includes at least two hooks arranged sequentially along the Y direction, and each hook has an upwardly protruding hook post.

8. The double-sided testing machine as described in claim 5, characterized in that, The first test host includes multiple first test stations, and the second test host includes multiple second test stations. Each first test station has a first movable door that is slidably connected to the frame along the X direction on the side facing the second test station. Each second test station has a second movable door that is slidably connected to the frame along the X direction on the side facing the first test station. The material transfer mechanism further includes a first door opening and closing device and a second door opening and closing device connected to the support assembly. The first door opening and closing device is used to be inserted into the first movable door along the Y direction, and the second door opening and closing device is used to be inserted into the second movable door along the Y direction.

9. The double-sided testing machine as described in claim 8, characterized in that, The first or second door opening / closing device includes a connected drive cylinder and a telescopic rod, wherein the drive cylinder is used to drive the telescopic rod to be inserted into the first or second movable door.

10. The double-sided testing machine as described in claim 1, characterized in that, The double-sided testing machine also includes a discharge posture adjustment mechanism connected to the frame. The material transfer mechanism is used to transfer the product located in the first testing host or the second testing host to the discharge posture adjustment mechanism. The structure of the discharge posture adjustment mechanism is the same as that of the feeding posture adjustment mechanism.

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