Linear guide rail pair assembling and detecting device

Abstract

The utility model discloses a linear guide rail pair assembling and detecting device. Wherein the carrying equipment, the feeding equipment, the assembling and debugging equipment and the unqualified product conveying belt are arranged around the carrying equipment; the middle of a middle feeding platform of the feeding equipment is connected with a storage device tray through a direct drive motor, universal balls are evenly arranged around the middle of the storage device tray in the circumferential direction, and the outer side of the storage device tray is supported through the universal balls. A material storage device composed of two oppositely-arranged U-shaped sliding grooves is fixed to a material storage device tray through a quick plug pin, a sliding block tray is placed in the material storage device, and a jacking through hole is formed in the position, below the sliding block tray, of the material storage device tray. A jacking rod of the jacking electric linear module jacks up the sliding block tray from the lower portion for feeding. According to the utility model, the feeding equipment of the rail type storage device is used for feeding sliding blocks in linear guide rail pairs of various specifications, so that the detection precision is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of detection devices, and particularly relates to an assembly and detection device for a linear guide pair. Background Technique

[0002] With the rapid development of the manufacturing industry and technology, the requirements for equipment accuracy, stability and efficiency are constantly increasing. As a widely used linear motion product, the linear guide pair can provide high precision and high stability for various mechanical equipment. In the machinery manufacturing industry, it is used for the precise control and positioning of equipment such as numerical control machine tools, industrial robots and automated production lines. In the field of electronic equipment manufacturing, linear guides are applied to equipment such as laser cutting machines and electronic assembly lines to ensure motion accuracy and improve production efficiency and quality. The linear guide pair consists of a guide rail and a slider. The raw material of the guide rail is cut according to the required length of the guide rail. After processing, the finished slider is put on the guide rail to form a linear guide pair. The preload of the linear guide is one of the important parameters to measure the guide rail. By pre-giving the load force to the steel balls in the slider, that is, increasing the diameter of the steel balls, deformation is generated, and negative clearance is generated between the steel balls in the slider and the ball track of the guide rail to give preloading, so as to improve the rigidity of the linear guide pair, eliminate the clearance between the slider and the guide rail, and improve the rigidity of the linear guide pair. Content of the Utility Model

[0003] Aiming at the problems existing in the background technique, the utility model provides an assembly and detection device for a linear guide pair. The technical solution includes: a handling device, a feeding device, an assembly and debugging device, and a defective product conveyor belt. Among them, the feeding device, the assembly and debugging device, and the defective product conveyor belt are installed around the handling device;

[0004] The feeding device includes: a feeding platform, a direct drive motor, a universal ball base, a universal ball, a storage device tray, a storage device, a quick plug, a slider tray, and a lifting electric linear module. Among them, a direct drive motor is installed in the middle of the feeding platform, the center of the storage device tray is connected to the output shaft of the direct drive motor, the universal ball is installed on the feeding platform through the universal ball base, the universal balls are evenly arranged circumferentially around the middle of the storage device tray, and the outside of the storage device tray is supported by the universal balls; A storage device composed of two relatively arranged U-shaped chutes is fixed on the storage device tray through a quick plug. A slider tray is placed in the storage device, and the slider tray slides up and down in the track of the U-shaped chute. A lifting through hole is provided at the position of the storage device tray below the slider tray; The lifting rod of the lifting electric linear module jacks up the slider tray from below for feeding.

[0005] The lifting electric linear module includes: a lifting bottom plate, a lead screw fixing seat, a lead screw support seat, a ball screw, a ball screw nut, a first guide plate, a second guide plate, guide rods, guide sleeves, a lifting rod, a lifting rod sleeve, a synchronous pulley set, a synchronous belt adjusting block, a servo motor, a planetary reducer, and a support rod. Among them, the lifting bottom plate is fixed below the feeding platform by four support rods. The lower ends of two guide rods are both fixed to the lifting bottom plate, and the upper ends of the guide rods are fixed to the first guide plate. A lead screw support seat is fixed on the first guide plate. The lead screw fixing seat is fixed to the lifting bottom plate. The lower end of the ball screw is rotatably connected to the lead screw fixing seat through a bearing, and the upper end of the ball screw is rotatably connected to the lead screw support seat through a bearing. A guide sleeve that slides freely along the guide rod is provided on each of the two guide rods. The two guide sleeves are respectively fixed to one end of the second guide plate. The ball screw nut is fixed on the second guide plate.

[0006] The lower end of the lifting rod is fixed to the second guide plate. The axes of the ball screw and the two guide rods are parallel, and the ball screw nut and the ball screw form a screw drive mechanism.

[0007] An optoelectronic sensor for limiting is installed on the lifting bottom plate.

[0008] The servo motor, the planetary reducer, and the belt pulley in the synchronous pulley set are all installed on the lifting bottom plate.

[0009] A synchronous belt adjusting block is provided on one side of the synchronous pulley set.

[0010] A lifting rod sleeve is fixed on the first guide plate. The lifting rod is in clearance fit with the lifting rod sleeve to avoid bending in the axial direction when the lifting rod moves up and down.

[0011] The assembly and debugging equipment includes: an assembly and debugging platform, a first single-axis robot, a second single-axis robot, a first guide rail clamping mechanism, a second guide rail clamping mechanism, a pre-pressure detection mechanism, a false rail recovery port, and a false rail recovery box. Among them, the first single-axis robot, the second single-axis robot, the false rail recovery port, and the first bracket fixing block in the first guide rail clamping mechanism are fixed on the assembly and debugging platform. The false rail recovery box is placed on the ground below the false rail recovery port. The second cylinder bracket of the second guide rail clamping mechanism is fixed on the moving end of the first single-axis robot.

[0012] The first guide rail clamping mechanism includes: a first cylinder, a first cylinder bracket, a first cylinder fixing block, and a first bracket fixing block. The cylinder block of the first cylinder is fixed on the first cylinder bracket. The outer end of the first cylinder bracket is fixed with a first bracket fixing block. The outer end of the piston of the first cylinder is fixed with a first cylinder fixing block. The lower side of the guide rail is clamped between the first cylinder fixing block and the first bracket fixing block.

[0013] The second guide rail clamping mechanism includes: a second cylinder, a second cylinder bracket, a second cylinder fixing block, and a second bracket fixing block. The cylinder block of the second cylinder is fixed on the second cylinder bracket. The outer end of the second cylinder bracket is fixed with the second bracket fixing block. The outer end of the piston of the second cylinder is fixed with the first cylinder fixing block. The lower side of the guide rail is clamped between the second cylinder fixing block and the second bracket fixing block.

[0014] The pre-pressure detection structure includes: a third cylinder, a sensor bracket, a first pressure sensor, and a second pressure sensor. The cylinder block of the third cylinder is fixed on the mobile end of the second single-axis robot. The outer end of the piston of the third cylinder is fixed with the sensor bracket. The first pressure sensor and the second pressure sensor are respectively fixed at both ends of the sensor bracket.

[0015] The beneficial effects of the present utility model are as follows:

[0016] 1. The feeding equipment using the rail-type storage device supplies materials and conducts mechanical detection on the sliders in linear guide rail pairs of various specifications, without excessive manual intervention, improving the detection accuracy.

[0017] 2. The feeding system has multiple groups of storage devices fixed by quick pins, and the storage devices can be quickly replaced when necessary to supplement the number of sliders, types of sliders, etc.

[0018] 3. When the assembly and debugging equipment uses two sets of single-axis robots arranged in parallel, a guide rail clamping structure is directly fixed on the assembly and debugging platform, stabilizing the data obtained during testing. Description of the Drawings

[0019] Figure 1 It is a schematic structural diagram of an embodiment of a linear guide rail pair assembly and detection device of the present utility model;

[0020] Figure 2 It is a schematic structural diagram of the lifting electric linear module in the embodiment of the present utility model;

[0021] Figure 3 It is a partial structural diagram of the lifting electric linear module in the embodiment of the present utility model;

[0022] Figure 4 It is a partial side view schematic diagram of the lifting electric linear module in the embodiment of the present utility model;

[0023] Figure 5 It is a schematic structural diagram of the assembly and debugging equipment in the embodiment of the present utility model;

[0024] Figure 6 It is a top view schematic diagram of the assembly and debugging equipment in the embodiment of the present utility model;

[0025] Figure 7This is a side view schematic diagram of the assembly and debugging equipment in the embodiment of the present utility model.

[0026] Wherein: 1 - handling equipment, 2 - feeding equipment, 3 - assembly and debugging equipment, 4 - conveyor belt for non-conforming products, 21 - feeding platform, 22 - direct drive motor, 23 - universal ball base, 24 - universal ball, 25 - storage device tray, 26 - storage device, 27 - quick plug, 28 - slider tray, 29 - lifting electric linear module, 31 - assembly and debugging platform, 32 - first single-axis robot, 33 - second single-axis robot, 34 - first guide rail clamping mechanism, 35 - second guide rail clamping mechanism, 36 - guide rail, 37 - slider, 38 - pre-pressure detection mechanism, 39 - false rail recovery port, 291 - lifting bottom plate, 292 - lead screw fixing seat, 293 - lead screw support seat, 294 - ball screw, 295 - ball screw nut, 296 - first guide plate, 297 - second guide plate, 298 - guide rod, 299 - guide sleeve, 2910 - lifting rod, 2911 - lifting rod sleeve, 2913 - synchronous pulley set, 2914 - synchronous belt adjusting block, 2915 - servo motor, 2916 - planetary reducer, 2917 - support rod, 2918 - and photoelectric sensor, 310 - false rail recovery box, 341 - first cylinder, 342 - first cylinder bracket, 343 - first cylinder fixing block, 344 - first bracket fixing block, 352 - second cylinder bracket, 381 - third cylinder, 382 - sensor bracket, 383 - first pressure sensor, 384 - second pressure sensor. Detailed implementation manners

[0027] The present utility model will be further described in detail below with reference to the accompanying drawings.

[0028] As Figure 1 shown in the embodiment of the present utility model, it includes: a handling equipment 1, a feeding equipment 2, an assembly and debugging equipment 3, and a conveyor belt 4 for non-conforming products. Among them, the electric gripper of the six-axis robot in the handling equipment 1 can grip the slider 37 and assemble the guide rail 36 and the slider 37; the feeding equipment 2, the assembly and debugging equipment 3, and the conveyor belt 4 for non-conforming products are installed around the handling equipment 1, and the feeding equipment 2 feeds the sliders 37 of various models, quantities, pre-pressure magnitudes, and different reference side directions. The assembly and debugging equipment 3 is responsible for fixing the guide rail 36 and detecting the pre-pressure of the assembled linear guide pair; the conveyor belt 4 for non-conforming products can move the non-conforming linear guide pair out through the handling equipment 1 for manual adjustment.

[0029] As Figures 2 to 4The feeding device 2 shown includes: a feeding platform 21, a direct drive motor 22, a universal ball base 23, universal balls 24, a storage device tray 25, a storage device 26, a quick pin 27, a slider tray 28, and a lifting electric linear module 29. Among them, a direct drive motor 22 is installed in the middle of the feeding platform 21, the center of the storage device tray 25 is connected to the output shaft of the direct drive motor 22, the universal balls 24 are installed on the feeding platform 21 through the universal ball bases 23, the universal balls 24 are evenly arranged circumferentially around the middle of the storage device tray 25, and the outside of the storage device tray 25 is supported by the universal balls 24;

[0030] The storage device 26 composed of two relatively arranged U-shaped chutes is fixed on the storage device tray 25 through the quick pin 27. A slider tray 28 is placed inside the storage device 26, and a slider 37 to be assembled is placed on the slider tray 28. The slider tray 28 slides up and down in the track of the U-shaped chute. The storage device tray 25 is provided with a lifting through hole (not shown in the figure) at the position directly below the slider tray 28; the lifting rod 2910 of the lifting electric linear module 29 jacks up the slider tray 28 from below for feeding.

[0031] As Figure 3 and Figure 4 The lifting electric linear module 29 shown includes: a lifting bottom plate 291, a lead screw fixing seat 292, a lead screw support seat 293, a ball screw 294, a ball screw nut 295, a first guide plate 296, a second guide plate 297, a guide rod 298, a guide sleeve 299, a lifting rod 2910, a lifting rod sleeve 2911, a synchronous pulley set 2913, a synchronous belt adjusting block 2914, a servo motor 2915, a planetary reducer 2916, a support rod 2917, and a photoelectric sensor 2918. Among them, the lifting bottom plate 291 is fixed below the feeding platform 21 through four support rods 2917. The lower ends of the two guide rods 298 are both fixed to the lifting bottom plate 291, and the upper ends of the guide rods 298 are fixed to the first guide plate 296; a lead screw support seat 293 is fixed on the first guide plate 296, the lead screw fixing seat 292 is fixed to the lifting bottom plate 291, the lower end of the ball screw 294 is rotatably connected to the lead screw fixing seat 292 through a bearing, and the upper end of the ball screw 294 is rotatably connected to the lead screw support seat 293 through a bearing; a guide sleeve 299 that slides freely along the guide rod 298 is provided on each of the two guide rods 298, and the two guide sleeves 299 are respectively fixed to one end of the second guide plate 297, and the ball screw nut 295 is fixed to the second guide plate 297; the power output shaft of the servo motor 2915 is connected to the ball screw 294 through the planetary reducer 2916 and the synchronous pulley set 2913 in sequence to transmit torque;

[0032] The lower end of the jacking rod 2910 is fixed to the second guide plate 297. The axes of the ball screw 294 and the two guide rods 298 are parallel. The ball screw nut 295 and the ball screw 294 form a screw drive mechanism. When the servo motor 2915 drives the ball screw nut 295 to rotate, the second guide plate 297 moves up and down along the direction of the guide rod 298 with the ball screw nut 295. The second guide plate 297 is lifted or lowered and limited by the photoelectric sensor 2918 installed on the jacking bottom plate 291.

[0033] In this embodiment, the servo motor 2915, the planetary reducer 2916, and the belt pulley in the synchronous belt pulley set 2913 are all installed on the jacking bottom plate 291. A synchronous belt adjusting block 2914 is provided on one side of the synchronous belt pulley set 2913 to adjust the tightness of the synchronous belt 2913.

[0034] In this embodiment, a jacking rod sleeve 2911 is fixed on the first guide plate 296. The jacking rod 2910 has a clearance fit with the jacking rod sleeve 2911 to prevent the jacking rod 2910 from bending in the axial direction when moving up and down.

[0035] As Figure 5 shown, the assembly and debugging device 3 includes: an assembly and debugging platform 31, a first single-axis robot 32, a second single-axis robot 33, a first guide rail clamping mechanism 34, a second guide rail clamping mechanism 35, a guide rail 36, a slider 37, a pre-pressure detection mechanism 38, a false rail recovery port 39, and a false rail recovery box 310. Among them, the first single-axis robot 32, the second single-axis robot 33, the false rail recovery port 39, and the first bracket fixing block 344 in the first guide rail clamping mechanism 34 are fixed on the assembly and debugging platform 31. The false rail recovery box 310 is placed on the ground below the false rail recovery port 39.

[0036] As Figures 5 to 7 shown, the first guide rail clamping mechanism 34 includes: a first cylinder 341, a first cylinder bracket 342, a first cylinder fixing block 343, and a first bracket fixing block 344. The cylinder block of the first cylinder 341 is fixed on the first cylinder bracket 342. The outer end of the first cylinder bracket 342 is fixed with the first bracket fixing block 344. The outer end of the piston of the first cylinder 341 is fixed with the first cylinder fixing block 343. The lower side of the guide rail 36 is clamped between the first cylinder fixing block 343 and the first bracket fixing block 344.

[0037] The second cylinder bracket 352 of the second guide rail clamping mechanism 35 with the same structure as the first guide rail clamping mechanism 34 is fixed on the moving end of the first single-axis robot 32; the second guide rail clamping mechanism 35 includes: a second cylinder, a second cylinder bracket 352, a second cylinder fixing block and a second bracket fixing block. The cylinder block of the second cylinder is fixed on the second cylinder bracket 352, the outer end of the second cylinder bracket 352 is fixed with a second bracket fixing block, the outer end of the piston of the second cylinder is fixed with a first cylinder fixing block, and the lower side of the guide rail 36 is clamped between the second cylinder fixing block and the second bracket fixing block;

[0038] Such as Figures 5 to 7 The pre-pressure detection structure 38 shown in the figure includes: a third cylinder 381, a sensor bracket 382, a first pressure sensor 383 and a second pressure sensor 384. The cylinder block of the third cylinder 381 is fixed on the moving end of the second single-axis robot 33, the outer end of the piston of the third cylinder 381 is fixed with a sensor bracket 382, the first pressure sensor 383 and the second pressure sensor 384 are respectively fixed at both ends of the sensor bracket 382. After assembly, the slider 37 is clamped between the first pressure sensor 383 and the second pressure sensor 384, and when the second single-axis robot 33 drives the moving end to push towards both sides, the pressure values collected by the first pressure sensor 383 or the second pressure sensor 384 during the clamping of the slider 37 are processed to achieve detection;

[0039] When the assembly and debugging equipment 3 is working, the first guide rail clamping mechanism 34 is the fixed end and the positioning end of the guide rail 36. The first single-axis robot 32 drives the second guide rail clamping mechanism 35 to move along the length of the guide rail 36 to fix both ends of the guide rail 36; the third cylinder 381 is fixed on the second single-axis robot 33, and the third cylinder 381 fixes the first pressure sensor 383 and the second pressure sensor 384 through the sensor bracket; the cylinder fixing block 343 and the bracket fixing block 344 clamp the lower side of the guide rail 36. The second single-axis robot 33 drives the slider 37 to move along the guide rail 36 for a full stroke through the third cylinder 381. When moving, the sliding friction of the slider 37 during movement is detected by the first pressure sensor 383 and the second pressure sensor 384, so as to obtain the pre-pressure value.

[0040] Before working, first clamp and fix both ends of the guide rail 36 on the first guide rail clamping mechanism 34 and the second guide rail clamping mechanism 35 respectively; then place all the sliders 37 to be tested in the storage device 26 of the feeding device 2; among them, the first guide rail clamping mechanism 34 fixed on the assembly and debugging platform 31 is used as the reference end, and the second guide rail clamping mechanism is fixed on the first single-axis robot and is the moving end, which can be clamped at both ends according to the length of the guide rail.

[0041] During operation, the six-axis industrial robot on the handling device 1 is responsible for picking up the slider 37 provided in the feeding device 2, and then transporting it to the assembly and debugging device 3 to assemble the slider 37 with the fixed guide rail 36;

[0042] Then, the slider 37 is inspected by the first pressure sensor 383 and the second pressure sensor 384. After inspection, the six-axis industrial robot removes the slider 37 from the end of the guide rail 36, transports the unqualified products to the unqualified product conveyor belt 4 for manual adjustment and repair, and puts the qualified products into the false rail recycling box 310 through the false rail recycling port 39.

[0043] During the operation of this embodiment, after the six-axis industrial robot grabs the slider 37 on the feeding device 2, it installs the slider 37 on the guide rail 36 clamped in the assembly and debugging device 3.

[0044] During inspection, the full stroke sliding measurement of the slider on the guide rail is carried out, the sliding friction force is measured by the pressure sensor, and the pre-pressure level of the linear guide pair can be obtained according to the detected friction force to judge whether the product is qualified.

Claims

1. A linear guide assembly and detection device, characterized in that: include: A handling device (1), a feeding device (2), an assembly and debugging device (3) and a conveyor belt for defective products (4), wherein the feeding device (2), the assembly and debugging device (3) and the conveyor belt for defective products (4) are installed around the handling device (1); The feeding device (2) comprises: a feeding platform (21), a direct drive motor (22), a universal ball base (23), a universal ball (24), a storage device tray (25), a storage device (26), a quick latch (27), a slider tray (28) and a lifting electric linear module (29), wherein the direct drive motor (22) is installed in the middle of the feeding platform (21), the center of the storage device tray (25) is connected to the output shaft of the direct drive motor (22), the universal ball (24) is installed on the feeding platform (21) through the universal ball base (23), and the universal ball (24) surrounds the storage device tray (25). The middle part is evenly arranged in the circumferential direction, and the outer side of the storage device tray (25) is supported by a universal ball (24); a storage device (26) composed of two oppositely arranged U-shaped slide grooves is fixed on the storage device tray (25) through a quick latch (27), a slider tray (28) is placed in the storage device (26), and the slider tray (28) slides up and down in the track of the U-shaped slide groove, and the storage device tray (25) is provided with a lifting through hole at a position below the slider tray (28); the lifting rod (2910) of the lifting electric linear module (29) lifts the slider tray (28) from the bottom to feed the material.

2. A linear guide assembly and detection device according to claim 1, characterized in that: The lifting electric linear module (29) comprises: a lifting base plate (291), a screw fixing seat (292), a screw supporting seat (293), a ball screw (294), a ball screw nut (295), a first guide plate (296), a second guide plate (297), a guide rod (298), a guide sleeve (299), a lifting rod (2910), a lifting rod sleeve (2911), a synchronous belt pulley set (2913), a synchronous belt adjustment block (2914), a servo motor (2915), a planetary reducer (2916) and a support rod (2917), wherein the lifting base plate (291) is fixed to the bottom of the feeding platform (21) by four support rods (2917), and the lower ends of the two guide rods (298) are The guide rod (298) is fixed to the lifting base plate (291), and the upper end of the guide rod (298) is fixed to the first guide plate (296); a screw support seat (293) is fixed to the first guide plate (296), the screw fixing seat (292) is fixed to the lifting base plate (291), the lower end of the ball screw (294) is rotatably connected to the screw fixing seat (292) through a bearing, and the upper end of the ball screw (294) is rotatably connected to the screw support seat (293) through a bearing; a guide sleeve (299) that slides freely along the guide rod (298) is provided on each of the two guide rods (298), and the two guide sleeves (299) are respectively fixed to one end of the second guide plate (297), and the ball screw nut (295) is fixed to the second guide plate (297); The lower end of the lifting rod (2910) is fixed to the second guide plate (297), the axes of the ball screw (294) and the two guide rods (298) are parallel, and the ball screw nut (295) and the ball screw (294) form a spiral transmission mechanism.

3. A linear guide assembly and detection device according to claim 2, characterized in that: A photoelectric sensor (2918) for limiting position is installed on the lifting bottom plate (291).

4. A linear guide assembly and detection device according to claim 2 or 3, characterized in that: The servo motor (2915), the planetary reducer (2916) and the pulleys in the synchronous pulley group (2913) are all installed on the lifting base plate (291).

5. A linear guide assembly and detection device according to claim 4, characterized in that: A synchronous belt adjustment block (2914) is provided on one side of the synchronous belt pulley set (2913).

6. A linear guide assembly and detection device according to claim 2 or 3, characterized in that: A lifting rod sleeve (2911) is fixed on the first guide plate (296), and the lifting rod (2910) and the lifting rod sleeve (2911) are clearance-matched to avoid bending of the lifting rod (2910) in the axial direction when the lifting rod (2910) moves up and down.

7. A linear guide assembly and detection device according to claim 1, characterized in that: The assembly and debugging equipment (3) comprises: an assembly and debugging platform (31), a first single-axis robot (32), a second single-axis robot (33), a first guide rail clamping mechanism (34), a second guide rail clamping mechanism (35), a pre-pressure detection mechanism (38), a dummy rail recovery port (39) and a dummy rail recovery box (310), wherein the first single-axis robot (32), the second single-axis robot (33), the dummy rail recovery port (39) and a first bracket fixing block (344) in the first guide rail clamping mechanism (34) are fixed on the assembly and debugging platform (31), and the dummy rail recovery box (310) is placed on the ground below the dummy rail recovery port (39); and the second cylinder bracket (352) of the second guide rail clamping mechanism (35) is fixed on the moving end of the first single-axis robot (32).

8. A linear guide assembly and detection device according to claim 7, characterized in that: The first guide rail clamping mechanism (34) comprises: a first cylinder (341), a first cylinder bracket (342), a first cylinder fixing block (343) and a first bracket fixing block (344); the cylinder body of the first cylinder (341) is fixed on the first cylinder bracket (342); the first bracket fixing block (344) is fixed on the outer end of the first cylinder bracket (342); the first cylinder fixing block (343) is fixed on the outer end of the piston of the first cylinder (341); and the lower side of the guide rail (36) is clamped between the first cylinder fixing block (343) and the first bracket fixing block (344).

9. A linear guide assembly and detection device according to claim 7, characterized in that: The second guide rail clamping mechanism (35) comprises: a second cylinder, a second cylinder bracket (352), a second cylinder fixing block and a second bracket fixing block, the cylinder body of the second cylinder is fixed on the second cylinder bracket (352), the second bracket fixing block is fixed on the outer end of the second cylinder bracket (352), the first cylinder fixing block is fixed on the outer end of the piston of the second cylinder, and the lower side of the guide rail (36) is clamped between the second cylinder fixing block and the second bracket fixing block.

10. A linear guide assembly and detection device according to any one of claims 7 to 9, characterized in that: The pre-pressure detection mechanism (38) comprises: a third cylinder (381), a sensor bracket (382), a first pressure sensor (383) and a second pressure sensor (384); the cylinder body of the third cylinder (381) is fixed on the moving end of the second single-axis robot (33); the sensor bracket (382) is fixed on the outer end of the piston of the third cylinder (381); and the first pressure sensor (383) and the second pressure sensor (384) are respectively fixed on the two ends of the sensor bracket (382).

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