Vacuum adsorption type test probe platform

Abstract

The utility model relates to the technical field of probe testing, and discloses a vacuum adsorption type test probe platform which comprises a base, a sliding groove is formed in the middle of the top of the base, a second lead screw penetrates through and is rotationally connected between the inner walls of the sliding groove, and an objective table is arranged on the outer wall of the second lead screw. A sealing gasket is fixedly connected to the top of the objective table, an exhaust pipe penetrates through and is fixedly connected to the right side of the rear side of the objective table, an air inlet pipe penetrates through and is fixedly connected to the left side of the rear side of the objective table, a miniature vacuum pump is arranged on the right side of the base, and a telescopic hose is arranged between the miniature vacuum pump and the exhaust pipe. According to the utility model, the objective table, the vacuum tank, the sealing gasket, the air inlet pipe, the exhaust pipe, the regulating valve, the telescopic hose and the miniature vacuum pump are matched with one another, so that a circuit board can be adsorbed and fixed through vacuum adsorption, the fixing effect on the circuit board is improved, and the problem that the circuit board is easily damaged when a clamp is used is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of probe testing, in particular to a vacuum adsorption type testing probe platform. Background Art

[0002] The probe is the contact medium for electrical testing. It is a high-end precision electronic hardware component. After the circuit board is manufactured, it needs to be tested for various functions in order to judge the quality of the circuit board. During these tests, the probe needs to be used to complete the contact test.

[0003] After searching, the existing Chinese patent announcement number is: CN218412627U, which provides an adjustable probe test platform. This patent uses an adjustment unit to drive the processing table to slide along the front and rear direction on the upper side of the base plate under the action of the power structure. The sliding of the processing table drives the electric telescopic rod inside the square groove to slide along the front and rear direction, thereby realizing the adjustment of the front and rear position of the circuit board clamped on the inner side of the clamping block.

[0004] Although the above patent can adjust the front and rear positions of the circuit board clamped inside the clamping block, the molding mechanism of the above pulp molding equipment still has the following problems: However, the device only fixes the circuit board by the clamping block, and the fixing effect is not ideal.

[0005] In view of the above problems, a vacuum adsorption test probe platform is proposed. Utility Model Content

[0006] The utility model aims to provide a vacuum adsorption test probe platform, which solves the problem in the background art that the circuit board is only fixed by a clamping block, but the fixing effect is not ideal.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a vacuum adsorption test probe platform, comprising a base, a slide groove is opened in the middle of the top of the base, a second screw rod is penetrated and rotatably connected between the inner walls of the slide groove, a loading platform is arranged on the outer wall of the second screw rod, a sealing gasket is fixedly connected to the top of the loading platform, an exhaust pipe is penetrated and fixedly connected to the right side of the rear side of the loading platform, an air intake pipe is penetrated and fixedly connected to the left side of the rear side of the loading platform, a micro vacuum pump is arranged on the right side of the base, a telescopic hose is arranged between the micro vacuum pump and the exhaust pipe, brackets are fixedly connected to the left and right sides of the top of the base, a servo motor is penetrated and fixedly connected to the left side of the bracket, a first screw rod is fixedly connected to the output end of the servo motor, and the first screw rod is penetrated and rotatably connected to the bracket, a nut pair is penetrated and threadedly connected to the outside of the first screw rod, an electric push rod is fixedly connected to the bottom of the nut pair, the output end of the electric push rod is fixedly connected to a mounting seat, and a disassembly component is arranged at the rear end of the mounting seat.

[0008] By adopting the above technical solution, the air in the vacuum tank in the stage can be extracted through a micro vacuum pump and a telescopic hose to form a negative pressure, thereby adsorbing and fixing the circuit board, and by opening the air inlet pipe, external air can enter the vacuum tank, forming a positive pressure inside the tank, thereby facilitating the removal of the circuit board.

[0009] As a further description of the above technical solution: the disassembly assembly includes a screw rod and a sliding block, the screw rod passes through and is threadedly connected to the left side of the mounting seat, the sliding block passes through and is slidably connected to the rear side of the mounting seat, and a plug-in groove is opened on the left side of the sliding block, and the plug-in groove passes through and is threadedly connected to the screw rod.

[0010] By adopting the above technical solution, the probe can be disassembled and replaced quickly and conveniently.

[0011] As a further description of the above technical solution: a knob is fixedly connected to the left side of the screw rod, and a probe is fixedly connected to the bottom of the sliding block.

[0012] By adopting the above technical solution, the screw rod can be rotated conveniently and the circuit board can be tested.

[0013] As a further description of the above technical solution: a position sensor is fixedly connected to the front side of the mounting seat.

[0014] By adopting the above technical solution, the distance between the probe and the circuit board can be detected.

[0015] As a further description of the above technical solution: the outside of the exhaust pipe and the regulating valve are penetrated and provided with a regulating valve.

[0016] By adopting the above technical solution, the opening and closing of the air intake pipe and the air exhaust pipe can be controlled.

[0017] As a further description of the above technical solution: a vacuum groove is provided on the top of the stage.

[0018] By adopting the above technical solution, the gas inside is extracted to form a negative pressure inside so that the circuit board can be adsorbed and fixed.

[0019] As a further description of the above technical solution: a controller is fixedly connected to the left side of the top rear side of the base.

[0020] By adopting the above technical solution, the overall operation of the control device is controlled.

[0021] As a further description of the above technical solution: a handle is fixedly connected to the rear end of the second screw rod.

[0022] By adopting the above technical solution, it is convenient to drive the second screw rod to rotate.

[0023] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0024] 1. The utility model provides a vacuum adsorption test probe platform, which can realize the adsorption and fixation of the circuit board by vacuum adsorption through the cooperation of the set stage, vacuum groove, sealing pad, air inlet pipe, exhaust pipe, regulating valve, telescopic hose and micro vacuum pump, thereby improving the fixing effect of the circuit board and solving the problem that the circuit board is easily damaged by the use of a clamp.

[0025] 2. The utility model provides a vacuum adsorption test probe platform, which realizes the rapid and convenient disassembly and replacement of the probe through the cooperation of the mounting seat, sliding block, screw and position sensor, and can control the detection position between the probe and the circuit board. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a three-dimensional diagram of the utility model;

[0027] Figure 2 This is a schematic diagram of the first screw rod of the utility model;

[0028] Figure 3 It is a schematic diagram of the disassembly assembly of the utility model;

[0029] Figure 4 It is a schematic diagram of the loading platform of the utility model.

[0030] In the figure: 1. base; 2. micro vacuum pump; 3. telescopic hose; 4. bracket; 5. electric push rod; 6. servo motor; 7. controller; 8. slide slot; 9. second screw rod; 10. handle; 11. first screw rod; 12. nut pair; 13. sliding block; 14. plug-in slot; 15. probe; 16. mounting seat; 17. position sensor; 18. screw; 19. knob; 20. exhaust pipe; 21. intake pipe; 22. regulating valve; 23. stage; 24. sealing gasket. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] In order to further understand the content of the utility model, the utility model is described in detail in conjunction with the accompanying drawings.

[0033] Combination Figure 1 , Figure 2 and Figure 3 The utility model is a vacuum adsorption test probe platform, including a base 1, a slide groove 8 is provided in the middle of the top of the base 1, so that the loading platform 23 can slide back and forth on the base, and a second screw rod 9 is passed through and rotatably connected between the inner walls of the slide groove 8, and the loading platform 23 is connected and moved by the rotation of the second screw rod 9. A controller 7 is fixedly connected to the left side of the top rear side of the base 1, which can control the operation of the entire device. A handle 10 is fixedly connected to the rear end of the second screw rod 9, which is convenient for twisting it to drive the second screw rod 9 to rotate. Brackets are fixedly connected to the left and right sides of the top of the base 1. 4, the electric push rod 5 can be installed and connected, the left side of the bracket 4 is penetrated and fixedly connected with a servo motor 6, the output end of the servo motor 6 is fixedly connected with a first screw rod 11, and the first screw rod 11 is penetrated and rotatably connected with the bracket 4, the servo motor 6 drives the first screw rod 11 to rotate, thereby driving the nut pair 12 and the electric push rod 5 to slide, the outside of the first screw rod 11 is penetrated and threadedly connected with a nut pair 12, the bottom of the nut pair 12 is fixedly connected with the electric push rod 5, the movement of the nut pair 12 drives the electric push rod to move, and the electric push rod 5 can drive the disassembly assembly and the probe 15 to rise and fall.

[0034] Combination Figure 1 , Figure 2 and Figure 4 A stage 23 is provided on the outer wall of the second screw rod 9, so that the circuit board can be placed on it. A vacuum groove is opened on the top of the stage 23, and negative pressure is formed by pumping out the air in the groove. A sealing gasket 24 is fixedly connected to the top of the stage 23. An exhaust pipe 20 is penetrated and fixedly connected on the right side of the rear side of the stage 23 to increase the sealing between the stage 23 and the circuit board and to extract the air in the vacuum groove. An air inlet pipe 21 is penetrated and fixedly connected on the left side of the rear side of the stage 23 to allow external air to enter the vacuum groove through this. A micro vacuum pump 2 is provided on the right side of the base 1, and a telescopic hose 3 is provided between the micro vacuum pump 2 and the exhaust pipe 20. The air in the vacuum groove can be extracted by using the micro vacuum pump 2 and the telescopic hose 3. The exhaust pipe 20 and the regulating valve 22 are penetrated and provided with regulating valves 22 on the outside, which can control the opening and closing of the intake pipe 21 and the exhaust pipe 20.

[0035] Combination Figure 1 and Figure 3The output end of the electric push rod 5 is fixedly connected with a mounting seat 16, which can be used to install and connect the sliding block 13. The rear end of the mounting seat 16 is provided with a disassembly component, which includes a screw 18 and a sliding block 13. The screw 18 penetrates and is threadedly connected to the left side of the mounting seat 16, and the installed sliding block 13 can be fixed to the mounting seat 16. The sliding block 13 penetrates and is slidably connected to the rear side of the mounting seat 16. A plug-in slot 14 is provided on the left side of the sliding block 13, and the plug-in slot 14 penetrates and is threadedly connected to the screw 18, so that the screw 18 can be inserted therein for installation and fixation. A knob 19 is fixedly connected to the left side of the screw 18, so that the knob 19 can be rotated to drive the screw 18 to rotate. A probe 15 is fixedly connected to the bottom of the sliding block 13, which can test the circuit board. A position sensor 17 is fixedly connected to the front side of the mounting seat 16, which can detect the contact distance between the probe 15 and the circuit board, thereby controlling and preventing excessive contact from causing damage to the probe 15 and the circuit board.

[0036] Working principle: First, place the circuit board on the stage 23, turn on the micro vacuum pump 2 and the regulating valve 22, use the micro vacuum pump 2 and the telescopic hose 3 to extract the air in the vacuum tank through the exhaust pipe 20 to form a negative pressure, so as to adsorb and fix the circuit board, and manually twist the handle 10 to drive the second screw 9 to rotate, and the stage 23 can slide back and forth on the base 1 through the rotation of the slide 8 to adjust the position, and then the probe 15 contacts the circuit board through the movement and extension of the nut pair 12 and the electric push rod 5, so as to To realize the detection of the circuit board, after the test is completed, the air inlet pipe 21 is opened through the regulating valve 22 to allow external air to enter the vacuum tank, thereby canceling the vacuum adsorption and fixation of the circuit board, making it convenient to remove it. When the probe 15 needs to be replaced, the knob 19 is twisted to drive the screw 18 to rotate, so as to extract it from the sliding block 13 and the mounting seat 16, and then the sliding block 13 connected to the probe 15 is taken out of the mounting seat 16, and then the new sliding block 13 and probe 15 are inserted into the mounting seat 16, so that the probe 15 can be quickly and conveniently disassembled and replaced.

[0037] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A vacuum adsorption test probe platform, comprising a base (1), characterized in that: A slide groove (8) is provided in the middle of the top of the base (1), a second screw rod (9) passes through and is rotatably connected between the inner walls of the slide groove (8), a loading platform (23) is provided on the outer wall of the second screw rod (9), a sealing gasket (24) is fixedly connected to the top of the loading platform (23), an exhaust pipe (20) passes through and is fixedly connected to the right side of the rear side of the loading platform (23), an air intake pipe (21) passes through and is fixedly connected to the left side of the rear side of the loading platform (23), a micro vacuum pump (2) is provided on the right side of the base (1), and a telescopic soft tube is provided between the micro vacuum pump (2) and the exhaust pipe (20). The base (1) is provided with a tube (3), the left and right sides of the top of the base (1) are fixedly connected with brackets (4), the left side of the bracket (4) is penetrated and fixedly connected with a servo motor (6), the output end of the servo motor (6) is fixedly connected with a first screw rod (11), and the first screw rod (11) and the bracket (4) are penetrated and rotatably connected, the outside of the first screw rod (11) is penetrated and threadedly connected with a nut pair (12), the bottom of the nut pair (12) is fixedly connected with an electric push rod (5), the output end of the electric push rod (5) is fixedly connected with a mounting seat (16), and a disassembly component is arranged at the rear end of the mounting seat (16).

2. A vacuum adsorption test probe platform according to claim 1, characterized in that: The disassembly assembly comprises a screw rod (18) and a sliding block (13); the screw rod (18) penetrates the left side of the mounting seat (16) and is threadedly connected; the sliding block (13) penetrates the rear side of the mounting seat (16) and is slidably connected; a plug-in slot (14) is provided on the left side of the sliding block (13); and the plug-in slot (14) penetrates the screw rod (18) and is threadedly connected.

3. A vacuum adsorption test probe platform according to claim 2, characterized in that: A knob (19) is fixedly connected to the left side of the screw rod (18), and a probe (15) is fixedly connected to the bottom of the sliding block (13).

4. The vacuum adsorption test probe platform according to claim 1, characterized in that: A position sensor (17) is fixedly connected to the front side of the mounting seat (16).

5. The vacuum adsorption test probe platform according to claim 1, characterized in that: The outside of the air extraction pipe (20) and the regulating valve (22) are penetrated and provided with a regulating valve (22).

6. The vacuum adsorption test probe platform according to claim 1, characterized in that: A vacuum groove is provided on the top of the loading platform (23).

7. The vacuum adsorption test probe platform according to claim 1, characterized in that: A controller (7) is fixedly connected to the left side of the rear top of the base (1).

8. The vacuum adsorption test probe platform according to claim 1, characterized in that: The rear end of the second screw rod (9) is fixedly connected to a handle (10).

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