Spring probe press-fit assembly positioning mechanism

Abstract

The spring probe pressing assembly positioning mechanism relates to the field of semiconductor testing equipment; the spring probe pressing assembly positioning mechanism comprises a shell and an upper sealing plate fixedly installed at the top opening of the shell; further comprising: a S-shaped through slot connected head to tail, the S-shaped through slot is arranged on the plate surface of the upper sealing plate, and the S-shaped through slot is uniformly provided with a plurality of positioning structures for positioning and clamping spring probes along the length direction; a mounting frame is fixedly installed at the back of the shell; a conveying structure is installed in the interior of the shell, and the conveying structure is connected with the lower end of the positioning structure. Through the design of the conveying structure and the plurality of positioning structures, the conveying structure drives one positioning structure to move to the machining position, after machining is completed, the machined workpiece can be conveyed away through the conveying structure, and the next workpiece automatically flows into the machining position, without manual manual replacement in the machining position.

Description

Technical Field

[0001] This invention relates to the field of semiconductor testing equipment, specifically a spring probe pressing and assembling positioning mechanism. Background Technology

[0002] Spring probes are essential tools in semiconductor testing, primarily used in chip design verification, wafer testing, and finished product testing. They are core components connecting the chip, wafer, and testing equipment for signal transmission. Used in conjunction with testers, sorters, and probe stations, they can screen out products with design and manufacturing defects, thereby ensuring product yield, controlling costs, and providing guidance for chip design and process improvements.

[0003] The spring probe is assembled from four basic components: the needle head, the needle tail, the spring, and the outer tube, which are then pressed together.

[0004] The invention patent application No. 2023106638246, entitled "A Semi-Automatic Pre-assembly Device for ATE Spring Probes," designs a spring probe pre-assembly device, including a feeding turntable and an assembly mechanism. The feeding turntable is equipped with needle tube feeding holes, needle tail feeding holes, spring feeding holes, and needle tip feeding holes. Each of the needle tube feeding holes, needle tail feeding holes, spring feeding holes, and needle tip feeding holes is equipped with an upper gate and a lower gate. The assembly mechanism is a cylindrical structure with a main gate at the bottom. This device can automatically align the needle tip, spring, and needle tail and load them into the needle tube to complete the pre-assembly, significantly shortening the alignment time and improving the pre-assembly efficiency. Through the structural design of the upper turntable, upper gate fixing plate, middle turntable, lower gate fixing plate, lower fixing plate, and main gate turntable, the logical implementation of the opening and closing of the upper gate, lower gate, and main gate is achieved.

[0005] While the aforementioned device can assemble the needle tip, needle tail, spring, and outer tube, it cannot press the assembled spring probe together. Currently, no device has been found that can press the assembled spring probe together. Summary of the Invention

[0006] To address the aforementioned problems, the present invention aims to design a spring probe pressing and assembly positioning mechanism to achieve automatic pressing of the assembled spring probe.

[0007] The present invention solves the above-mentioned technical problems through the following technical solutions:

[0008] A spring probe pressing assembly positioning mechanism includes a housing, an upper sealing plate, a positioning structure, a mounting frame, and a conveying structure. The upper sealing plate is installed on the top of the housing, and an S-shaped through groove is provided on the surface of the upper sealing plate. Multiple positioning structures for positioning and clamping the spring probe are evenly arranged along the direction of the S-shaped through groove. The mounting frame is installed on the back of the housing, and the conveying structure is installed inside the housing and connected to the lower end of the positioning structure for driving the positioning structure to move in the S-shaped through groove.

[0009] The aforementioned spring probe pressing assembly positioning mechanism includes a conveying structure comprising a synchronous belt and driven synchronous pulleys; there are multiple driven synchronous pulleys, all rotatably mounted inside the housing, and the synchronous belt is wound around the driven synchronous pulleys to form an S-shaped structure with the ends connected.

[0010] The positioning structure includes an elastic telescopic cylinder and a clamping part; the elastic telescopic cylinder is composed of an outer cylinder, a helical spring, a movable cylinder, a piston sleeve, and an upper plate. The bottom end of the outer cylinder is fixedly connected to the top edge of the synchronous belt. The movable cylinder is inserted from the top opening of the outer cylinder, and the bottom end of the movable cylinder is fixedly sleeved with a piston sleeve. The piston sleeve is clearance-fitted with the inner wall of the outer cylinder. The helical spring is located below the piston sleeve. The bottom end of the movable cylinder is elastically connected to the bottom inner wall of the outer cylinder through the helical spring. Each movable cylinder has a clamping part on its inner wall. A downward pressure rod is fixedly installed on the bottom surface of the upper plate. The downward pressure rod passes through the S-shaped through groove and extends into the housing. A positioning block is fixedly connected to the bottom of the upper plate. A positioning hole adapted to the positioning block is opened on the upper sealing plate.

[0011] The clamping part includes a fixed cylinder and a piston rod; the fixed cylinder is installed on the inner wall of the movable cylinder, the piston part of the piston rod is clearance-fitted with the inner wall of the fixed cylinder, the bottom of the movable cylinder is provided with a communication port, a partition is provided at the lower part of the movable cylinder, a chamber is formed between the lower part of the partition and the inner wall of the movable cylinder, a rodless cavity is formed between the lower wall of the piston sleeve and the inner wall of the outer cylinder, the chamber and the rodless cavity are connected through the communication port, a communication air passage is provided in the cylinder wall of the movable cylinder, and the fixed cylinder is connected to the chamber through the communication air passage.

[0012] A vertical first gas spring is fixedly installed on the bottom inner wall of the housing. A rack is provided at the top of the first gas spring, and a vertical bar is fixedly connected to the top of the rack. Both the rack and the vertical bar are permanent magnets.

[0013] It also includes a second gas spring, a second transmission box, a square rod, and a second connecting shaft. The second gas spring is perpendicular to the first gas spring. A cylindrical gear is provided on one side of the lower part of the rack. The cylindrical gear is coaxially fixedly mounted with the first connecting shaft. The first connecting shaft is rotatably mounted with the telescopic part of the second gas spring. A fixing plate is fixedly connected to the upper part of the outer sleeve of the second gas spring. The top of the fixing plate is fixedly connected to the bottom surface of the upper sealing plate. The second connecting shaft is vertically arranged, and a first transmission box is provided at both the upper and lower ends of the second connecting shaft. The input end and output end of the first transmission box located at the upper end of the second connecting shaft are respectively connected to one end of the first connecting shaft and the upper end of the second connecting shaft. The input end and output end of the first transmission box located at the lower end of the second connecting shaft are respectively connected to the lower end of the second connecting shaft and one end of the square rod. The other end of the square rod is connected to the input end of the second transmission box. A drive synchronous pulley is connected to the output end of the second transmission box. Both sides of the synchronous belt are provided with meshing grooves. The meshing teeth on the drive synchronous pulley mesh with the meshing grooves on the synchronous belt.

[0014] A first inclined block is fixedly installed on the upper part of the telescopic part of the second gas spring, a second inclined block is provided above the first inclined block, a connecting plate is fixedly installed on the upper part of the second inclined block, and the connecting plate is fixedly connected to one side of the vertical bar.

[0015] A connecting bar is fixedly connected to the top of the first transmission box located at the upper end of the second connecting shaft, and a slider is fixedly connected to the top end of the connecting bar. The slider can slide in a groove provided on the bottom surface of the upper sealing plate. The first transmission box located at the lower end of the second connecting shaft can slide on the bottom surface of the housing. The first transmission box includes a first housing, a first input shaft, a first output shaft, a first bevel gear, and a second bevel gear. The first input shaft and the first output shaft are both rotatably mounted inside the first housing. One end of the first input shaft is fixedly sleeved with the first bevel gear, and one end of the first output shaft is fixedly sleeved with the second bevel gear. The first bevel gear and the second bevel gear mesh.

[0016] The second transmission box includes a second housing, a second input shaft, a second output shaft, a third bevel gear, a fourth bevel gear, and a square hole. The second housing is fixedly installed on the bottom inner wall of the housing. The second housing is rotatably mounted with the second input shaft and the second output shaft. The second input shaft is fixedly sleeved with the third bevel gear, and one end of the second output shaft is fixedly sleeved with the fourth bevel gear. The third bevel gear and the fourth bevel gear are meshed and connected. One end of the second input shaft has a square hole, and the square hole is clearance-fitted with a square rod.

[0017] The above-mentioned spring probe pressing assembly positioning mechanism has an upper sealing plate consisting of an outer plate and an inner plate. The four periphery of the outer plate is fixedly connected to the top inner wall of the housing. A support rod is fixedly connected to the bottom of the inner plate. The support rod is fixedly connected to the bottom inner wall of the housing. An S-shaped through groove is formed between the outer plate and the inner plate.

[0018] The beneficial effects of the spring probe pressing assembly positioning mechanism of the present invention are as follows: through the design of the structure and connection relationship of the conveying structure and multiple positioning structures, the conveying structure drives the positioning structure to move to the processing position, completes the pressing of the spring probe on the positioning structure, and can convey the pressed spring probe away through the conveying structure, and enable the next spring probe to automatically enter the processing position without manual material replacement, reducing labor costs and improving work efficiency. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of the spring probe pressing assembly positioning mechanism of the present invention.

[0020] Figure 2 This is a schematic diagram of the drive structure of the elastic telescopic cylinder and the synchronous belt.

[0021] Figure 3 for Figure 2 An enlarged structural diagram of the central circle portion.

[0022] Figure 4 This is a schematic diagram of the structure of a synchronous belt and a driven synchronous pulley.

[0023] Figure 5 This is a schematic diagram of the first transmission box.

[0024] Figure 6 This is a schematic diagram of the second transmission box.

[0025] Figure 7 This is a schematic diagram of the bottom structure of the upper sealing plate.

[0026] Figure 8 This is a schematic diagram of the structure at the top of the connecting strip.

[0027] Figure 9 A schematic diagram of the structure for driving the timing pulley and timing belt.

[0028] Figure 10 This is a structural diagram of the second inclined block and the first inclined block.

[0029] In the diagram: 1. Shell; 2. Support frame; 3. Upper sealing plate; 301. Outer plate; 302. Inner plate; 303. S-shaped through groove; 4. Elastic telescopic cylinder; 401. Outer cylinder; 402. Helical spring; 403. Movable cylinder; 4031. Piston sleeve; 404. Upper plate; 5. Mounting bracket; 6. Positioning block; 7. Lower pressure rod; 8. Vertical bar; 9. Rack; 10. First gas spring; 11. Second gas spring; 12. Fixing plate; 13. First connecting shaft; 14. Cylindrical gear; 15. First inclined block; 16. Connecting plate; 17. Second inclined block; 18. Second connecting shaft; 19. First transmission box; 1901. First box body; 902, First input shaft; 1903, First output shaft; 1904, First bevel gear; 1905, Second bevel gear; 20, Second transmission box; 2001, Second housing; 2002, Second input shaft; 2003, Second output shaft; 2004, Third bevel gear; 2005, Fourth bevel gear; 2006, Square hole; 21, Square rod; 22, Drive synchronous pulley; 23, Synchronous belt; 24, Connecting port; 25, Partition plate; 26, Connecting air passage; 27, Fixed cylinder; 28, Piston rod; 29, Driven synchronous pulley; 30, Positioning hole; 31, Support rod; 32, Connecting bar; 33, Slide groove; 34, Slider. Detailed Implementation

[0030] The present invention will be further illustrated by way of embodiments below, but the present invention is not limited to the scope of the embodiments described herein.

[0031] like Figure 1-10 As shown, a spring probe pressing and assembling positioning mechanism includes a housing 1 and an upper sealing plate 3 fixedly installed at the top opening of the housing 1. At least one support frame 2 is fixedly installed at each of the four bottom corners of the housing 1. It also includes: an S-shaped through groove 303 connected end-to-end, the S-shaped through groove 303 being disposed on the surface of the upper sealing plate 3, and having a plurality of positioning structures for positioning and clamping the spring probe evenly arranged along its length; a mounting frame 5, fixedly installed on the back of the housing 1; the bottom of the mounting frame 5 is a pressing station where the positioning structure flows to for pressing processing; and a conveying structure, installed inside the housing 1 and connected to the lower end of the positioning structure, which drives the positioning structure to move within the S-shaped through groove 303.

[0032] The conveying structure includes a synchronous belt 23 and driven synchronous pulleys 29; there are several driven synchronous pulleys 29, and all of the driven synchronous pulleys 29 are rotatably installed inside the housing 1. The synchronous belt 23 is wound around the several driven synchronous pulleys 29, and the synchronous belt 23 forms a spiral structure with the ends connected.

[0033] The positioning structure includes an elastic telescopic cylinder 4 and a clamping part; the elastic telescopic cylinder 4 is composed of an outer cylinder 401, a helical spring 402, a movable cylinder 403, a piston sleeve 4031, and an upper plate 404. The bottom end of the outer cylinder 401 is fixedly connected to the top edge of the synchronous belt 23. The bottom end of the movable cylinder 403 is inserted into the top opening of the outer cylinder 401, and the piston sleeve 4031 is fixedly sleeved on the bottom end of the movable cylinder 403. The piston sleeve 4031 is engaged with the inner wall of the outer cylinder 401. The helical spring 402 is disposed on the upper plate 404. Below the piston sleeve 4031, the bottom end of the movable cylinder 403 is elastically connected to the inner wall of the bottom end of the outer cylinder 401 by a helical spring 402; there are several clamping parts, and the several clamping parts are evenly installed on the inner wall of the movable cylinder 403; a downward pressure rod 7 is fixedly installed on the bottom surface of the upper plate 404, the downward pressure rod 7 passes through the S-shaped through groove 303, and the downward pressure rod 7 extends into the interior of the housing 1; a positioning block 6 is fixedly connected to the bottom of the upper plate 404, and a positioning hole 30 adapted to the positioning block 6 is opened on the upper sealing plate 3.

[0034] The clamping part includes a fixed cylinder 27 and a piston rod 28; the fixed cylinder 27 is fixedly fitted onto the inner wall of the movable cylinder 403, the piston part of the piston rod 28 is connected to the inner wall of the fixed cylinder 27, a connecting port 24 is installed at the bottom of the movable cylinder 403, a partition 25 is fixedly installed at the lower part of the interior of the movable cylinder 403, a chamber is formed between the lower surface of the partition 25 and the inner wall of the movable cylinder 403, a rodless cavity is formed between the lower wall of the piston sleeve 4031 and the inner wall of the outer cylinder 401, the chamber and the rodless cavity are connected through the connecting port 24, a connecting air passage 26 is provided in the cylinder wall of the movable cylinder 403, and the fixed cylinder 27 is connected to the chamber through the connecting air passage 26.

[0035] Through the design of the above structure, the upper plate 404 can be driven to move downward during the downward movement of the external pressing device; by means of this downward drive, the clamping part can be driven to achieve automatic clamping; when the upper plate 404 is reset, the clamping is automatically released.

[0036] As a specific technical solution, a vertical first gas spring 10 is fixedly installed on the bottom inner wall of the housing 1. A rack 9 is fixedly connected to the top of the first gas spring 10, and a vertical bar 8 is fixedly connected to the top of the rack 9. After the elastic telescopic cylinder 4 moves to the processing station below the mounting frame 5, as... Figure 2As shown, the bottom end of the downward pressure rod 7 on the elastic telescopic cylinder 4 contacts the top end of the vertical bar 8. Both the rack 9 and the vertical bar 8 are made of permanent magnets. It also includes a second gas spring 11, a second transmission box 20, a square rod 21, and a second connecting shaft 18. The second gas spring 11 is perpendicular to the first gas spring 10. A cylindrical gear 14 is provided on one side of the lower part of the rack 9, and a first connecting shaft 13 is fixedly installed in the middle of the cylindrical gear 14. The first connecting shaft 13 is rotatably installed with the telescopic part of the second gas spring 11. A fixing plate 12 is fixedly connected to the upper part of the outer sleeve of the second gas spring 11. The top end of the fixing plate 12 is fixedly connected to the bottom surface of the upper sealing plate 3. The second connecting shaft 18 is vertically positioned... The second connecting shaft 18 is provided with a first transmission box 19 at both its upper and lower ends. The input and output ends of the first transmission box 19 located at the upper end of the second connecting shaft 18 are respectively connected to one end of the first connecting shaft 13 and the upper end of the second connecting shaft 18. The input and output ends of the first transmission box 19 located at the lower end of the second connecting shaft 18 are respectively connected to the lower end of the second connecting shaft 18 and one end of the square rod 21. The other end of the square rod 21 is connected to the input end of the second transmission box 20. The output end of the second transmission box 20 is connected to a drive synchronous pulley 22. Figure 9 As shown, both sides of the synchronous belt 23 are provided with meshing grooves, and the meshing teeth on the drive synchronous pulley 22 mesh with the meshing grooves on the synchronous belt 23. A first inclined block 15 is fixedly installed on the upper part of the telescopic part of the second gas spring 11, and a second inclined block 17 is provided above the first inclined block 15. A connecting plate 16 is fixedly installed on the upper part of the second inclined block 17, and the connecting plate 16 is fixedly connected to one side of the vertical bar 8.

[0037] With the above structural design, when the upper plate 404 moves downward, the drive synchronous pulley 22 is not driven, but when the upper plate 404 moves upward to reset, the drive synchronous pulley 22 can be driven by the force of the upward drive, which is used to drive the synchronous belt 23, thereby changing the processing position of the elastic telescopic cylinder 4.

[0038] A connecting strip 32 is fixedly connected to the top of the first transmission box 19 located at the upper end of the second connecting shaft 18. A slider 34 is fixedly connected to the top end of the connecting strip 32. The slider 34 is slidably connected to the groove 33 opened on the bottom surface of the upper sealing plate 3. The first transmission box 19 located at the lower end of the second connecting shaft 18 is slidably connected to the bottom surface of the housing 1. The first transmission box 19 includes a first housing 1901, a first input shaft 1902, a first output shaft 1903, a first bevel gear 1904, and a second bevel gear 1905. The first input shaft 1902 and the first output shaft 1903 are rotatably installed inside the first housing 1901. One end of the first input shaft 1902 is fixedly sleeved with the first bevel gear 1904, and one end of the first output shaft 1903 is fixedly sleeved with the second bevel gear 1905. The first bevel gear 1904 and the second bevel gear 1905 are meshed together.

[0039] The meshing transmission is achieved through the first bevel gear 1904 and the second bevel gear 1905, which can drive the square rod 21 to rotate when the first connecting shaft 13 rotates.

[0040] The second transmission box 20 includes a second housing 2001, a second input shaft 2002, a second output shaft 2003, a third bevel gear 2004, a fourth bevel gear 2005, and a square hole 2006. The second housing 2001 is fixedly installed on the bottom inner wall of the housing 1. The second housing 2001 is rotatably mounted with the second input shaft 2002 and the second output shaft 2003. The second input shaft 2002 is fixedly sleeved with the third bevel gear 2004. One end of the second output shaft 2003 is fixedly sleeved with the fourth bevel gear 2005. The third bevel gear 2004 and the fourth bevel gear 2005 are meshed together. One end of the second input shaft 2002 has a square hole 2006, which is clearance-fitted with the square rod 21.

[0041] Through the design of the square hole 2006 and the square rod 21, the connection between the square rod 21 and the second input shaft 2002 is always maintained when the second gas spring 11 extends or retracts.

[0042] The upper sealing plate 3 is composed of an outer plate 301 and an inner plate 302. The four periphery of the outer plate 301 is fixedly connected to the top inner wall of the shell 1. A support rod 31 is fixedly connected to the bottom of the inner plate 302. The support rod 31 is fixedly connected to the bottom inner wall of the shell 1. An S-shaped through groove 303 is formed between the outer plate 301 and the inner plate 302.

[0043] Working principle:

[0044] A spring probe pressing assembly and positioning method, wherein a mounting frame 5 is used to install an external pressing device, and a movable cylinder 403 in an elastic telescopic cylinder 4 is used to place the assembled spring probe. The spring probe located below the mounting frame 5 is in a pressing state. The method is characterized by the following steps:

[0045] The pressing device presses down the upper plate 404, causing the movable cylinder 403 to move downwards. The movable cylinder 403 retracts into the outer cylinder 401 until the positioning block 6 is inserted into the positioning hole 30, thus positioning the movable cylinder 403. During the downward movement of the movable cylinder 403, the helical spring 402 is compressed, causing the helical spring 402 to undergo elastic deformation. The piston sleeve 4031 on the movable cylinder 403 also moves downwards, compressing the gas below the piston sleeve 4031. Through the connecting port 24, the compressed gas acts on the chamber below the partition 25, and through the connecting air passage 26, it acts on the inside of the fixed cylinder 27, increasing the air pressure inside the fixed cylinder 27. This drives the piston rod 28 to press against the spring probe inside the movable cylinder 403, thus achieving clamping.

[0046] When the upper plate 404 moves downward, the lowering rod 7 presses down the vertical bar 8, causing the vertical bar 8 and the rack 9 to move downward together. At the same time, the first gas spring 10 undergoes compression deformation, such as... Figure 2 As shown, before and during the descent of the upper disc 404, the rack 9 and the cylindrical gear 14 are spaced apart in the horizontal plane and do not mesh until the vertical bar 8 and the rack 9 descend to the second inclined block 17 and the first inclined block 15, at which point the cylindrical gear 14 aligns with the lower part of the vertical bar 8. As the vertical bar 8 and the rack 9 continue to descend, as... Figure 10 As shown, the second inclined block 17 presses the first inclined block 15, causing the movable end of the second gas spring 11 to move closer to the vertical bar 8. Finally, after the movable cylinder 403 completes the positioning, the cylindrical gear 14 is also close enough to the vertical bar 8. The cylindrical gear 14 is magnetically attracted to the rack 9, and the rack 9 meshes with the cylindrical gear 14.

[0047] After the spring probe is clamped and positioned, the pressing equipment completes the pressing operation on the spring probe;

[0048] After the pressing work is completed, the pressing equipment moves upward, the helical spring 402 causes the movable cylinder 403 to extend out of the outer cylinder 401 to achieve reset, and the piston sleeve 4031 moves upward, which reduces the air pressure in the fixed cylinder 27, and the end of the piston rod 28 no longer presses the spring probe, automatically canceling the clamping.

[0049] When the lowering rod 7 moves upward along with the upper plate 404, the top of the vertical bar 8 loses its downward pressure, driving the rack 9 and the vertical bar 8 to move upward together. During the upward movement, the rack 9 and the vertical bar 8 rely on magnetic force to attract the cylindrical gear 14, keeping the rack 9 meshing with the cylindrical gear 14, thereby driving the first connecting shaft 13 to rotate. Through the structure inside the first transmission box 19 at the top of the second connecting shaft 18, the second connecting shaft 18 is driven to rotate. Then, through the structure inside the first transmission box 19 at the bottom of the second connecting shaft 18, the square rod 21 is driven to rotate, which drives the second input shaft 2002 inside the second transmission box 20 to rotate. Then, through the meshing of the third bevel gear 2004 and the fourth bevel gear 2005, the second output shaft 2003 is driven to rotate, thereby driving the synchronous pulley 22 to rotate and driving the synchronous belt 23 to move, causing the elastic telescopic cylinder 4 on the synchronous belt 23 to move, waiting for the next pressing cycle.

[0050] During the extension and recovery process of the first gas spring 10, after the rack 9 and the cylindrical gear 14 separate, the magnetic attraction between them is lost. The elastic force of the second gas spring 11 causes a gap to form between the cylindrical gear 14 and the rack 9 in the width direction, restoring the rack to its original position. Figure 2 state.

[0051] With the above structure, the spring probe to be processed below can be automatically clamped around by the driving force of the pressing equipment moving downward. After processing, the clamping is automatically released. Furthermore, the synchronous belt 23 can be driven to move automatically, so that the processed spring probe flows out and the next spring probe to be processed automatically flows into the processing position.

[0052] It should be noted that the above are merely specific embodiments of this application and are not intended to limit this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application.

[0053] It should also be noted that all the technical features listed in the above specific embodiments can be arranged and combined, as long as they are not contradictory. Those skilled in the art can exhaustively calculate the result of each arrangement and combination based on the mathematical knowledge of permutations and combinations learned in high school. All the results of permutations and combinations should be understood as being disclosed in this application.

Claims

1. A spring probe pressing assembly positioning mechanism, characterized in that, The device includes a housing (1), an upper sealing plate (3), a positioning structure, a mounting frame (5), and a conveying structure. The upper sealing plate (3) is installed on the top of the housing (1). An S-shaped through groove (303) is provided on the surface of the upper sealing plate (3). Multiple positioning structures for positioning and clamping spring probes are evenly arranged along the direction of the S-shaped through groove (303). The mounting frame (5) is installed on the back of the housing (1). The conveying structure is installed inside the housing (1) and connected to the lower end of the positioning structure to drive the positioning structure to move in the S-shaped through groove (303). The conveying structure includes a synchronous belt (23) and a driven synchronous pulley (29); there are multiple driven synchronous pulleys (29), all of which are rotatably installed inside the housing (1), and the synchronous belt (23) is wound around the driven synchronous pulley (29) to form an S-shaped structure with the ends connected. The positioning structure includes an elastic telescopic cylinder (4) and a clamping part; the elastic telescopic cylinder (4) is composed of an outer cylinder (401), a helical spring (402), a movable cylinder (403), a piston sleeve (4031), and an upper plate (404). The bottom end of the outer cylinder (401) is fixedly connected to the top edge of the synchronous belt (23). The movable cylinder (403) is inserted from the top opening of the outer cylinder (401), and the bottom end of the movable cylinder (403) is fixedly sleeved with the piston sleeve (4031). The piston sleeve (4031) is clearance-fitted with the inner wall of the outer cylinder (401). The helical spring ( 402) Located below the piston sleeve (4031), the bottom end of the movable cylinder (403) is elastically connected to the inner wall of the bottom end of the outer cylinder (401) by a helical spring (402); each movable cylinder (403) has a clamping part on its inner wall; a pressing rod (7) is fixedly installed on the bottom surface of the upper plate (404), and the pressing rod (7) extends into the housing (1) through the S-shaped through groove (303); a positioning block (6) is fixedly connected to the bottom of the upper plate (404), and a positioning hole (30) adapted to the positioning block (6) is opened on the upper sealing plate (3); A vertical first gas spring (10) is fixedly installed on the bottom inner wall of the housing (1). A rack (9) is provided at the top of the first gas spring (10). A vertical bar (8) is fixedly connected to the top of the rack (9). Both the rack (9) and the vertical bar (8) are permanent magnets. The bottom end of the pressure rod (7) on the elastic telescopic cylinder (4) is in contact with the top end of the vertical bar (8). The spring probe pressing assembly positioning mechanism also includes a second gas spring (11), a second transmission box (20), a square rod (21), and a second connecting shaft (18). The second gas spring (11) is perpendicular to the first gas spring (10). A cylindrical gear (14) is provided on one side of the lower part of the rack (9). The cylindrical gear (14) is coaxially fixedly installed with a first connecting shaft (13). The first connecting shaft (13) is rotatably installed with the telescopic part of the second gas spring (11). A fixing plate (12) is fixedly connected to the upper part of the outer sleeve of the second gas spring (11). The top of the fixing plate (12) is fixedly connected to the bottom surface of the upper sealing plate (3). The second connecting shaft (18) is vertically arranged, and the upper and lower parts of the second connecting shaft (18) are... Each end is provided with a first transmission box (19). The input end and output end of the first transmission box (19) located at the upper end of the second connecting shaft (18) are respectively connected to one end of the first connecting shaft (13) and the upper end of the second connecting shaft (18). The input end and output end of the first transmission box (19) located at the lower end of the second connecting shaft (18) are respectively connected to the lower end of the second connecting shaft (18) and one end of the square rod (21). The other end of the square rod (21) is connected to the input end of the second transmission box (20). The output end of the second transmission box (20) is connected to a drive synchronous pulley (22). Both sides of the synchronous belt (23) are provided with meshing grooves. The meshing teeth on the drive synchronous pulley (22) mesh with the meshing grooves on the synchronous belt (23).

2. The spring probe pressing assembly positioning mechanism according to claim 1, characterized in that, The clamping part includes a fixed cylinder (27) and a piston rod (28); the fixed cylinder (27) is installed on the inner wall of the movable cylinder (403), the piston part of the piston rod (28) is clearance-fitted with the inner wall of the fixed cylinder (27), the bottom of the movable cylinder (403) is provided with a communication port (24), a partition (25) is provided at the lower part of the interior of the movable cylinder (403), a chamber is formed between the lower part of the partition (25) and the inner wall of the movable cylinder (403), a rodless cavity is formed between the lower wall of the piston sleeve (4031) and the inner wall of the outer cylinder (401), the chamber and the rodless cavity are connected through the communication port (24), a communication air passage (26) is provided in the cylinder wall of the movable cylinder (403), and the fixed cylinder (27) and the chamber are connected through the communication air passage (26).

3. The spring probe pressing assembly positioning mechanism according to claim 1, characterized in that, A first inclined block (15) is fixedly installed on the upper part of the telescopic part of the second gas spring (11). A second inclined block (17) is provided above the first inclined block (15). A connecting plate (16) is fixedly installed on the upper part of the second inclined block (17). The connecting plate (16) is fixedly connected to one side of the vertical bar (8).

4. The spring probe pressing assembly positioning mechanism according to claim 1, characterized in that, A connecting strip (32) is fixedly connected to the top of the first transmission box (19) located at the upper end of the second connecting shaft (18), and a slider (34) is fixedly connected to the top end of the connecting strip (32). The slider (34) can slide in the groove (33) provided on the bottom surface of the upper sealing plate (3); the first transmission box (19) located at the lower end of the second connecting shaft (18) can slide on the bottom surface of the housing (1); the first transmission box (19) includes a first housing (1901), a first input shaft (1902), and a first output shaft (1903). 903), first bevel gear (1904) and second bevel gear (1905); the first input shaft (1902) and the first output shaft (1903) are both rotatably mounted inside the first housing (1901), one end of the first input shaft (1902) is fixedly sleeved with the first bevel gear (1904), one end of the first output shaft (1903) is fixedly sleeved with the second bevel gear (1905), and the first bevel gear (1904) and the second bevel gear (1905) mesh.

5. The spring probe pressing assembly positioning mechanism according to claim 1, characterized in that, The second transmission box (20) includes a second housing (2001), a second input shaft (2002), a second output shaft (2003), a third bevel gear (2004), a fourth bevel gear (2005), and a square hole (2006). The second housing (2001) is fixedly installed on the bottom inner wall of the housing (1). The second housing (2001) is rotatably mounted with the second input shaft (2002) and the second output shaft (2003). The second input shaft (2002) is fixedly sleeved with the third bevel gear (2004). One end of the second output shaft (2003) is fixedly sleeved with the fourth bevel gear (2005). The third bevel gear (2004) meshes with the fourth bevel gear (2005). One end of the second input shaft (2002) is provided with a square hole (2006). The square hole (2006) is clearance-fitted with the square rod (21).

6. The spring probe pressing assembly positioning mechanism according to claim 1, characterized in that, The upper sealing plate (3) is composed of an outer plate (301) and an inner plate (302). The four periphery of the outer plate (301) is fixedly connected to the top inner wall of the shell (1). A support rod (31) is fixedly connected to the bottom of the inner plate (302). The support rod (31) is fixedly connected to the bottom inner wall of the shell (1). An S-shaped through groove (303) is formed between the outer plate (301) and the inner plate (302).

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