An efficient withstand voltage test device based on LED aluminum substrate

Abstract

The present invention relates to the technical field of aluminum substrates, and in particular to an efficient withstand voltage test device based on an LED aluminum substrate. The present invention provides an efficient withstand voltage test device based on an LED aluminum substrate that improves test efficiency. An efficient withstand voltage test device based on an LED aluminum substrate comprises a main frame, a material taking port, a withstand voltage tester, a placement plate, a test mechanism and a feeding mechanism. A material taking port is provided on the right side of the main frame, a withstand voltage tester is connected to the lower right side of the main frame, a placement plate is connected to the lower right side of the main frame, a test mechanism is connected to the inside of the main frame, the test mechanism moves downward to test the LED aluminum substrate, a feeding mechanism is connected to the left side of the main frame, and the feeding mechanism moves to the right to push the LED aluminum substrate to the placement plate. A plurality of test pins are connected to the first test board provided by the present invention, which can perform withstand voltage test on the entire surface of the LED aluminum substrate, thereby greatly improving test efficiency.

Description

Technical Field

[0001] The invention relates to the technical field of aluminum substrates, and in particular to a high-efficiency withstand voltage testing device based on an LED aluminum substrate. Background Art

[0002] When producing LED aluminum substrates, in order to ensure quality requirements, it is often necessary to perform a certain degree of voltage resistance test on the LED aluminum substrates.

[0003] The patent disclosure CN212180945U discloses an aluminum substrate pressure test equipment, which belongs to the field of pressure test equipment, including a pressure test body, a test platform, a test execution device, a first screw transmission mechanism, and a second screw transmission mechanism for driving the test execution device to move horizontally; the test execution device includes a cylinder fixedly arranged on the pressure test body, and a movable rod fixedly connected to the piston rod of the cylinder; a test needle is fixedly connected to the upper end of the movable rod; the test needle is connected to the high-voltage output end of the pressure test body through a wire, and the ground port of the pressure test body is connected to the aluminum substrate through a wire.

[0004] Since there are many LEDs connected to the LED aluminum substrate, the aluminum substrate withstand voltage test equipment needs to perform multi-point withstand voltage tests on the LED aluminum substrate one by one, which is time-consuming and inefficient. How to design an efficient withstand voltage test device based on the LED aluminum substrate to improve the test efficiency is the technical problem that this patent needs to solve. Summary of the invention

[0005] In order to overcome the shortcomings of the prior art that the LED aluminum substrate needs to be tested at multiple points one by one, which is time-consuming and inefficient, the technical problem of the present invention is to provide a high-efficiency voltage withstand test device based on the LED aluminum substrate to improve the test efficiency.

[0006] The technical implementation scheme of the present invention is: an efficient voltage withstand test device based on an LED aluminum substrate, comprising a main frame, a material taking port, a voltage withstand tester, a placement plate, a testing mechanism and a feeding mechanism, a material taking port is opened on the right side of the main frame, a voltage withstand tester is connected to the lower right side of the main frame, a placement plate is connected to the lower right side of the main frame, a testing mechanism is connected to the inside of the main frame, the testing mechanism moves downward to test the LED aluminum substrate, a feeding mechanism is connected to the left side of the main frame, and the feeding mechanism moves to the right to push the LED aluminum substrate to the placement plate.

[0007] Optionally, the testing mechanism includes a first sliding rod, a cylinder and a first test board, four first sliding rods are connected to the middle of the bottom of the main frame, the first test board is slidably connected between the four first sliding rods, the first test board is connected to the high-voltage output end of the voltage withstand tester through a wire, the ground port of the voltage withstand tester is connected to the LED aluminum substrate through a wire, the first test board moves downward to test the LED aluminum substrate, and a cylinder is installed in the middle of the upper part of the main frame, and the cylinder telescopic rod is connected to the first test board.

[0008] Optionally, the first test board is evenly connected with test pins.

[0009] Optionally, the loading mechanism includes a placement frame, a push plate, a first linear spring and a second sliding rod. The placement frame is connected to the upper left side of the main frame body, and two second sliding rods are connected to the lower left side of the placement frame. A push plate is slidably connected between the two second sliding rods, and the push plate is slidably connected to the placement frame. The push plate moves to the right to push the LED aluminum substrate to the placement plate. The first linear spring is connected between the right part of the second sliding rod and the push plate, and the first linear spring is sleeved on the second sliding rod.

[0010] Optionally, it also includes a lifting mechanism for performing double-sided testing on the LED aluminum substrate, the lifting mechanism includes a first guide rod, a first pull rope, a second test plate and a connecting plate, the first guide rod is connected to the front and rear sides of the middle part of the bottom of the main frame body, the second test plate is slidably connected between the four first sliding rods, the second test plate is connected to the high-voltage output end of the withstand voltage tester through a wire, the grounding port of the withstand voltage tester is connected to the LED aluminum substrate through a wire, the front and rear sides of the second test plate are connected to the connecting plates, the first pull rope is connected between the connecting plates and the first test plate, the first pull rope is wound around the first guide rod, the first test plate moves downward and drives the connecting plate and the second test plate to move upward through the first pull rope, so as to perform double-sided testing on the LED aluminum substrate.

[0011] Optionally, the second test board is evenly connected with test pins.

[0012] Optionally, it also includes a pushing mechanism for automatically moving the push plate to the right to push the LED aluminum substrate onto the placement plate, the pushing mechanism including a first fixed rod, a first rotating plate, a first torsion spring, a third sliding rod, a second linear spring, a second fixed rod, a second torsion spring, a second rotating plate, a second pull rope and a second guide rod, the first fixed rod is connected to the front and rear sides of the left part of the second test plate, the first fixed rod is rotatably connected to the left part of the first fixed rod, two first torsion springs are connected between the first rotating plate on the front side and the first fixed rod on the front side, two first torsion springs are connected between the first rotating plate on the rear side and the first fixed rod on the rear side, the first torsion spring is sleeved on the first fixed rod, the third sliding rod is connected to the front and rear sides of the middle part of the bottom of the main frame, the third sliding rod is slidably connected to the second fixed rod, the second fixed rod on the front side is connected to the front The second guide rod is connected to the front and rear sides of the lower part of the third slide bar, the second guide rod is wound around the second guide rod, and the second fixed rod moves downward and drives the push plate to automatically move right through the second pull rope to push the LED aluminum substrate onto the placement plate.

[0013] Optionally, a disengagement mechanism for limiting the LED aluminum substrate is also included, the disengagement mechanism includes a push rod, a blocking block, a fourth sliding rod and a third linear spring, the push rods are connected to the front and rear sides of the right wall of the push plate, the fourth sliding rods are connected to the front and rear sides of the top of the placement plate, the fourth sliding rods are slidably connected to the blocking blocks, the blocking blocks are slidably connected to the placement plate, the push rod moves to the right to drive the blocking blocks to move downward to limit the LED aluminum substrate, the third linear spring is connected between the fourth sliding rod on the front side and the blocking block on the front side, the third linear spring is connected between the fourth sliding rod on the rear side and the blocking block on the rear side, the third linear spring is sleeved on the fourth sliding rod, the blocking blocks are each provided with through holes, the front push rod passes through the through hole on the front side, and the rear push rod passes through the through hole on the rear side.

[0014] Optionally, a buffer mechanism is also included for providing a buffering force for the LED aluminum substrate after the test, the buffer mechanism includes a buffer pad, a fifth slide bar and a fourth linear spring, the fifth slide bar is slidably connected to the front and rear sides of the right part of the placement plate, a buffer pad is connected between the right sides of the two fifth slide bars, two fourth linear springs are connected between the right wall of the buffer pad and the placement plate, and the fourth linear spring is sleeved on the fifth slide bar.

[0015] The present invention has the following advantages: a first test board provided in the present invention is connected with a plurality of test pins, and a withstand voltage test can be performed on the entire surface of the LED aluminum substrate, thereby greatly improving the test efficiency; the first test board and the second test board move toward each other and contact the LED aluminum substrate, thereby performing a double-sided test on the LED aluminum substrate, thereby improving the test efficiency of the LED aluminum substrate; the second fixing rod moves downward and drives the push plate to automatically move to the right through the second pull rope to push the LED aluminum substrate onto the placement plate; the blocking block moves downward and cooperates with the placement plate to fix the LED aluminum substrate, thereby limiting the position of the LED aluminum substrate and preventing the LED aluminum substrate from shifting and affecting the test result; the buffer pad cooperates with the fourth linear spring to provide a buffering force for the LED aluminum substrate after the test, thereby preventing the LED aluminum substrate from colliding with the placement plate and being damaged. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention.

[0017] Figure 2 It is a partial three-dimensional structural schematic diagram of the present invention.

[0018] Figure 3 It is a schematic diagram of the three-dimensional structure of the testing mechanism of the present invention.

[0019] Figure 4 It is a schematic diagram of the three-dimensional structure of the feeding mechanism of the present invention.

[0020] Figure 5 It is a schematic diagram of the three-dimensional structure of the lifting mechanism of the present invention.

[0021] Figure 6 It is a schematic diagram of the three-dimensional structure of the pushing mechanism of the present invention.

[0022] Figure 7 It is a schematic diagram of the enlarged three-dimensional structure of point A of the present invention.

[0023] Figure 8 It is a schematic diagram of the three-dimensional structure of the disengagement mechanism of the present invention.

[0024] Fig. 9 It is a schematic diagram of the enlarged three-dimensional structure of point B of the present invention.

[0025] Fig.10 It is a schematic diagram of the three-dimensional structure of the buffer mechanism of the present invention.

[0026] The meanings of the reference numerals in the figure are as follows: 1: main frame, 11: material taking port, 2: pressure tester, 3: placement plate, 4: test mechanism, 41: first slide bar, 42: cylinder, 43: first test plate, 5: feeding mechanism, 51: placement frame, 52: push plate, 53: first linear spring, 54: second slide bar, 6: lifting mechanism, 61: first guide rod, 62: first pull rope, 63: second test plate, 64: connecting plate, 7: pushing mechanism, 71: first Fixed rod, 72: first rotating plate, 73: first torsion spring, 74: third sliding rod, 75: second linear spring, 76: second fixed rod, 77: second torsion spring, 78: second rotating plate, 79: second pull rope, 710: second guide rod, 8: disengagement mechanism, 81: push rod, 82: blocking block, 83: fourth sliding rod, 84: third linear spring, 85: through hole, 9: buffer mechanism, 91: buffer pad, 92: fifth sliding rod, 93: fourth linear spring. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings. It is hereby stated that the directional terms such as up, down, left, right, front, back, inside, outside, etc. that appear or will appear in the text of the present invention are only based on the accompanying drawings of the present invention, and are not specific limitations of the present invention. Example 1

[0028] An efficient withstand voltage test device based on LED aluminum substrate, refer to Figure 1-Figure 4 , including a main frame 1, a material taking port 11, a voltage tester 2, a placement plate 3, a testing mechanism 4 and a feeding mechanism 5. The right part of the main frame 1 is provided with a material taking port 11, the lower right side of the main frame 1 is connected with the voltage tester 2, the lower right side of the main frame 1 is connected with the placement plate 3, the main frame 1 is connected with the testing mechanism 4 inside, the testing mechanism 4 is used to test the LED aluminum substrate, the left part of the main frame 1 is connected with the feeding mechanism 5, the feeding mechanism 5 is used to push the LED aluminum substrate to the placement plate 3.

[0029] Reference Figure 3 The testing mechanism 4 includes a first sliding bar 41, a cylinder 42 and a first test board 43. Four first sliding bars 41 are connected to the middle of the bottom of the main frame 1. The first test board 43 is slidably connected between the four first sliding bars 41. The first test board 43 is connected to the high-voltage output end of the withstand voltage tester 2 through a wire. Test needles are evenly connected to the first test board 43. The first test board 43 is used to test the LED aluminum substrate. A cylinder 42 is installed in the middle of the upper part of the main frame 1, and the telescopic rod of the cylinder 42 is connected to the first test board 43.

[0030] Reference Figure 4The feeding mechanism 5 includes a placement frame 51, a push plate 52, a first linear spring 53 and a second slide bar 54. The placement frame 51 is connected to the upper left side of the main frame body 1, and two second slide bars 54 are connected to the lower left wall of the placement frame 51. A push plate 52 is slidably connected between the two second slide bars 54. The push plate 52 is slidably connected to the placement frame 51. The push plate 52 is used to push the LED aluminum substrate to the placement plate 3. The first linear spring 53 is connected between the right part of the second slide bar 54 and the push plate 52, and the first linear spring 53 is sleeved on the second slide bar 54.

[0031] When using the device, first put an appropriate amount of LED aluminum substrate into the placement frame 51, then manually push the push plate 52 to the right, the first linear spring 53 is stretched, and the push plate 52 pushes the LED aluminum substrate to the right, and after the LED aluminum substrate is pushed onto the placement plate 3 and is located directly below the first test plate 43, release the push plate 52, and then under the action of the first linear spring 53 resetting, the push plate 52 is driven to move to the left and reset, and then the grounding port of the withstand voltage tester 2 is connected to the LED aluminum substrate through a wire, and the cylinder 42 is started, and the telescopic rod of the cylinder 42 is extended to drive the first test plate 43 to move downward When the first test plate 43 contacts the LED aluminum substrate, the cylinder 42 is closed, and the withstand voltage tester 2 is started to perform a withstand voltage test on the LED aluminum substrate. People learn the test data through the withstand voltage tester 2. After the test is completed, the withstand voltage tester 2 is closed, and the cylinder 42 is started. The telescopic rod of the cylinder 42 contracts and drives the first test plate 43 to move upward and reset, and then the cylinder 42 is closed. The above operation is then repeated, so that the LED aluminum substrate pushes the tested LED aluminum substrate to the right and slides to the right part of the placement plate 3, so that it is convenient for people to take out the tested LED aluminum substrate through the material taking port 11. Example 2

[0032] Based on Example 1, Figure 2 and Figure 5 , also includes a lifting mechanism 6, the lifting mechanism 6 includes a first guide rod 61, a first pull rope 62, a second test plate 63 and a connecting plate 64, the first guide rod 61 is connected to the front and rear sides of the middle of the bottom of the main frame 1, the second test plate 63 is slidably connected between the four first sliding rods 41, the second test plate 63 cooperates with the first test plate 43 to perform double-sided test on the LED aluminum substrate, the second test plate 63 is connected to the high-voltage output end of the withstand voltage tester 2 through a wire, the second test plate 63 is evenly connected with test needles, the second test plate 63 is connected to the front and rear sides of the second test plate 63, the first pull rope 62 is connected between the connecting plate 64 and the first test plate 43, and the first pull rope 62 is wound around the first guide rod 61.

[0033] The ground port of the withstand voltage tester 2 is connected to the LED aluminum substrate through a wire. When the first test plate 43 moves downward, the first pull rope 62 drives the connecting plate 64 to move upward, and the connecting plate 64 drives the second test plate 63 to move upward, so that the first test plate 43 and the second test plate 63 move toward each other and contact the LED aluminum substrate, thereby performing a double-sided test on the LED aluminum substrate, thereby improving the test efficiency of the LED aluminum substrate. When the first test plate 43 moves upward, the first pull rope 62 is loosened, and the connecting plate 64 and the second test plate 63 move downward and reset due to gravity.

[0034] Reference Figure 2 , Figure 6 and Figure 7 , also includes a pushing mechanism 7, the pushing mechanism 7 includes a first fixed rod 71, a first rotating plate 72, a first torsion spring 73, a third sliding rod 74, a second linear spring 75, a second fixed rod 76, a second torsion spring 77, a second rotating plate 78, a second pull rope 79 and a second guide rod 710, the second test plate 63 is connected to the first fixed rod 71 on both sides of the left front and rear, the first fixed rod 71 is rotatably connected to the left side of the first rotating plate 72, two first torsion springs 73 are connected between the first rotating plate 72 on the front side and the first fixed rod 71 on the front side, two first torsion springs 73 are connected between the first rotating plate 72 on the rear side and the first fixed rod 71 on the rear side, the first torsion spring 73 is sleeved on the first fixed rod 71, the middle part of the bottom of the main frame 1 is connected to the third sliding rod 74 on both sides of the front and rear, the second fixed rod 76 is slidably connected to the third sliding rod 74, the second A second linear spring 75 is connected between the fixing rod 76 and the lower portion of the third sliding rod 74 on the front side, a second linear spring 75 is connected between the second fixing rod 76 on the rear side and the lower portion of the third sliding rod 74 on the rear side, the second linear spring 75 is sleeved on the third sliding rod 74, the right portion of the second fixing rod 76 is rotatably connected to a second rotating plate 78, the bottom of the second rotating plate 78 contacts the second fixing rod 76, two second torsion springs 77 are connected between the second rotating plate 78 on the front side and the second fixing rod 76 on the front side, two second torsion springs 77 are connected between the second rotating plate 78 on the rear side and the second fixing rod 76 on the rear side, the second torsion spring 77 is sleeved on the second fixing rod 76, the left side of the second fixing rod 76 is connected to a second pull rope 79 between the push plate 52, the front and rear sides of the lower portion of the placement frame 51 are connected to second guide rods 710, and the second pull rope 79 is wound around the second guide rods 710.

[0035] The force of the first torsion spring 73 is greater than the force of the second torsion spring 77. When the second test plate 63 moves upward, it drives the first fixing rod 71 to move upward, and the first fixing rod 71 drives the first rotating plate 72 and the first torsion spring 73 to move upward. When the first rotating plate 72 contacts the second rotating plate 78, it drives the second rotating plate 78 to rotate, and the second torsion spring 77 is deformed. When the first rotating plate 72 moves upward and passes over the first rotating plate 72, it drives the second rotating plate 78 to reverse and reset under the action of the second torsion spring 77. When the second test plate 63 moves downward, it drives the first fixing rod 71, the first rotating plate 72 and the first torsion spring 73 to move downward. When the first rotating plate 72 contacts the second rotating plate 78, it drives the second rotating plate 78 to move downward. The second rotating plate 78 drives the second torsion spring 77 and the second fixing rod 76 to move downward, the second linear spring 75 is compressed, and the second fixing rod 63 moves downward. 76 drives the push plate 52 to move rightward through the second pull rope 79, and the first linear spring 53 is stretched, so that the push plate 52 automatically moves to the right to push the material. However, when the second linear spring 75 is compressed to the limit, the second fixed rod 76, the second torsion spring 77 and the second rotating plate 78 stop moving downward, while the first rotating plate 72 continues to move downward, so that the second rotating plate 78 drives the first rotating plate 72 to rotate, and the first torsion spring 73 is deformed. When the first rotating plate 72 moves downward and passes over the second rotating plate 78, the first rotating plate 72 is reversed and reset under the action of the first torsion spring 73 resetting. At the same time, the first rotating plate 72 is separated from the second rotating plate 78, and then the second fixed rod 76, the second rotating plate 78 and the second torsion spring 77 are driven to move upward and reset under the action of the second linear spring 75 resetting. The second pull rope 79 is relaxed, and then the push plate 52 is driven to move left and reset under the action of the first linear spring 53 resetting.

[0036] Reference Figure 2 , Figure 8 and Fig. 9 , also includes a disengagement mechanism 8, the disengagement mechanism 8 includes a push rod 81, a blocking block 82, a fourth slide bar 83 and a third linear spring 84, the front and rear sides of the right wall of the push plate 52 are connected with the push rod 81, the front and rear sides of the top of the placement plate 3 are connected with the fourth slide bar 83, the fourth slide bar 83 is slidably connected with the blocking block 82, the blocking block 82 is used to limit the LED aluminum substrate, the third linear spring 84 is connected between the fourth slide bar 83 on the front side and the blocking block 82 on the front side, the third linear spring 84 is connected between the fourth slide bar 83 on the rear side and the blocking block 82 on the rear side, the third linear spring 84 is sleeved on the fourth slide bar 83, and the blocking block 82 is provided with a through hole 85, the front push rod 81 passes through the front through hole 85, and the rear push rod 81 passes through the rear through hole 85.

[0037] When the push plate 52 moves to the right, it drives the push rod 81 to move to the right, and the push rod 81 drives the blocking block 82 to move upward, and the third linear spring 84 is compressed. When the push plate 52 moves to the left and resets, it drives the push rod 81 to move to the left and resets. Under the action of the third linear spring 84, the blocking block 82 moves downward to cooperate with the placement plate 3 to fix the LED aluminum substrate, thereby limiting the LED aluminum substrate to prevent the LED aluminum substrate from shifting and affecting the test results.

[0038] Reference Figure 2 and Fig.10 , also includes a buffer mechanism 9, the buffer mechanism 9 includes a buffer pad 91, a fifth slide bar 92 and a fourth linear spring 93, the fifth slide bar 92 is slidably connected to the front and rear sides of the right part of the placement plate 3, the buffer pad 91 is connected between the right sides of the two fifth slide bars 92, and two fourth linear springs 93 are connected between the right wall of the buffer pad 91 and the placement plate 3, and the fourth linear spring 93 is sleeved on the fifth slide bar 92.

[0039] The tested LED aluminum substrate is pushed to the right and slides to the right side of the placement plate 3 to contact the buffer pad 91. The buffer pad 91 cooperates with the fourth linear spring 93 to provide a buffering force for the tested LED aluminum substrate to prevent the LED aluminum substrate from colliding with the placement plate 3 and being damaged.

[0040] Although the present invention is described in detail with reference to the above embodiments, it is obvious to those skilled in the art through this disclosure that various changes or modifications may be made to the present invention without departing from the principle and spirit of the present invention defined by the claims. Therefore, the detailed description of the embodiments of the present disclosure is only used to explain, not to limit the present invention, but the scope of protection is limited by the content of the claims.

Claims

1. An efficient withstand voltage test device based on an LED aluminum substrate, comprising a main frame (1), a material taking port (11), a withstand voltage tester (2) and a placement plate (3), wherein the main frame (1) is provided with a material taking port (11) on the right, the lower right side of the main frame (1) is connected to the withstand voltage tester (2), and the lower right side of the main frame (1) is connected to the placement plate (3), wherein: It also includes a testing mechanism (4) and a feeding mechanism (5). The testing mechanism (4) is connected inside the main frame (1). The testing mechanism (4) moves downward to test the LED aluminum substrate. The left part of the main frame (1) is connected to the feeding mechanism (5). The feeding mechanism (5) moves rightward to push the LED aluminum substrate onto the placement plate (3). The testing mechanism (4) comprises a first sliding rod (41), a cylinder (42) and a first testing plate (43); four first sliding rods (41) are connected to the middle of the bottom of the main frame (1); and the first testing plate (43) is slidably connected between the four first sliding rods (41); The loading mechanism (5) comprises a placement frame (51), a push plate (52), a first linear spring (53) and a second slide bar (54); the placement frame (51) is connected to the upper left side of the main frame (1); two second slide bars (54) are connected to the lower left side of the placement frame (51); a push plate (52) is slidably connected between the two second slide bars (54); the push plate (52) is slidably connected to the placement frame (51); the push plate (52) moves to the right to push the LED aluminum substrate to the placement plate (3); the first linear spring (53) is connected between the right part of the second slide bar (54) and the push plate (52); and the first linear spring (53) is sleeved on the second slide bar (54); It also includes a lifting mechanism (6) for performing a double-sided test on the LED aluminum substrate. The lifting mechanism (6) includes a first guide rod (61), a first pull rope (62), a second test plate (63) and a connecting plate (64). The second test plate (63) is slidably connected between the four first sliding rods (41). The second test plate (63) is connected to the connecting plates (64) on both the front and rear sides. The connecting plates (64) are connected to the first test plates (43) by first pull ropes (62). The first pull ropes (62) are wound around the first guide rod (61). When the first test plate (43) moves downward, the connecting plate (64) and the second test plate (63) are driven to move upward through the first pull rope (62) to perform a double-sided test on the LED aluminum substrate. The push plate (52) is also provided with a pushing mechanism (7) for automatically moving the push plate (52) to the right to push the LED aluminum substrate onto the placement plate (3). The pushing mechanism (7) includes a first fixing rod (71), a first rotating plate (72), a first torsion spring (73), a third sliding rod (74), a second linear spring (75), a second fixing rod (76), a second torsion spring (77), a second rotating plate (78), a second pull rope (79) and a second guide rod (710). The first fixing rod (71) is connected to both the front and rear sides of the left portion of the second test plate (63). The first fixing rod (71) is connected to the left The first rotating plate (72) is rotatably connected to the main frame (1), two first torsion springs (73) are connected between the first rotating plate (72) on the front side and the first fixed rod (71) on the front side, two first torsion springs (73) are connected between the first rotating plate (72) on the rear side and the first fixed rod (71) on the rear side, the first torsion springs (73) are sleeved on the first fixed rod (71), the front and rear sides of the middle part of the bottom of the main frame (1) are connected to third sliding rods (74), the third sliding rods (74) are slidably connected to the second fixed rods (76), the front second fixed rods (76) are connected to the front A second linear spring (75) is connected between the lower part of the third slide bar (74), a second linear spring (75) is connected between the second fixed rod (76) on the rear side and the lower part of the third slide bar (74) on the rear side, the second linear spring (75) is sleeved on the third slide bar (74), the right part of the second fixed rod (76) is rotatably connected to a second rotating plate (78), the bottom of the second rotating plate (78) is in contact with the second fixed rod (76), two second torsion springs (77) are connected between the second rotating plate (78) on the front side and the second fixed rod (76) on the front side, and the second rotating plate (78) on the rear side is connected to the second fixed rod (76) on the front side. 8) Two second torsion springs (77) are connected between the second fixing rod (76) at the rear side, the second torsion springs (77) are sleeved on the second fixing rod (76), a second pull rope (79) is connected between the left side of the second fixing rod (76) and the push plate (52), the front and rear sides of the lower part of the placement frame (51) are connected to second guide rods (710), the second pull rope (79) is wound around the second guide rod (710), the second fixing rod (76) moves downward, and the push plate (52) is automatically moved to the right through the second pull rope (79) to push the LED aluminum substrate onto the placement plate (3).

2. According to the high-efficiency withstand voltage test device based on LED aluminum substrate as claimed in claim 1, it is characterized by: The first test board (43) is connected to the high-voltage output end of the withstand voltage tester (2) via a wire, and the ground port of the withstand voltage tester (2) is connected to the LED aluminum substrate via a wire. The first test board (43) moves downward to test the LED aluminum substrate. A cylinder (42) is installed in the middle of the upper part of the main frame (1), and a telescopic rod of the cylinder (42) is connected to the first test board (43).

3. According to the high-efficiency withstand voltage test device based on LED aluminum substrate as claimed in claim 2, it is characterized by: The first test board (43) is evenly connected with test needles.

4. The high-efficiency withstand voltage test device based on LED aluminum substrate according to claim 3 is characterized in that: The first guide rods (61) are connected to both the front and rear sides of the middle of the bottom of the main frame (1), the second test board (63) is connected to the high-voltage output end of the withstand voltage tester (2) through a wire, and the grounding port of the withstand voltage tester (2) is connected to the LED aluminum substrate through a wire.

5. The high-efficiency withstand voltage test device based on LED aluminum substrate according to claim 4 is characterized in that: The second test board (63) is evenly connected with test needles.

6. The high-efficiency withstand voltage test device based on LED aluminum substrate according to claim 5 is characterized in that: The device also includes a disengagement mechanism (8) for limiting the position of the LED aluminum substrate. The disengagement mechanism (8) includes a push rod (81), a blocking block (82), a fourth slide bar (83) and a third linear spring (84). The push rod (81) is connected to both the front and rear sides of the right wall of the push plate (52). The fourth slide bar (83) is connected to both the front and rear sides of the top of the placement plate (3). The fourth slide bar (83) is slidably connected to the blocking block (82). The blocking block (82) is slidably connected to the placement plate (3). The push rod (81) moves to the right to drive the blocking block (82). The block (82) moves downward to limit the LED aluminum substrate, a third linear spring (84) is connected between the fourth sliding bar (83) on the front side and the blocking block (82) on the front side, a third linear spring (84) is connected between the fourth sliding bar (83) on the rear side and the blocking block (82) on the rear side, the third linear spring (84) is sleeved on the fourth sliding bar (83), the blocking block (82) is provided with a through hole (85), the front push rod (81) passes through the front through hole (85), and the rear push rod (81) passes through the rear through hole (85).

7. The high-efficiency withstand voltage test device based on LED aluminum substrate according to claim 1 is characterized in that: It also includes a buffer mechanism (9) for providing a buffering force for the LED aluminum substrate after the test. The buffer mechanism (9) includes a buffer pad (91), a fifth slide bar (92) and a fourth linear spring (93). The fifth slide bar (92) is slidably connected to both the front and rear sides of the right part of the placement plate (3). The buffer pad (91) is connected between the right sides of the two fifth slide bars (92). Two fourth linear springs (93) are connected between the right wall of the buffer pad (91) and the placement plate (3). The fourth linear spring (93) is sleeved on the fifth slide bar (92).

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