Engine Flexible Disc Clutch Automatic Tightening Machine

Abstract

The present invention discloses an automatic tightening machine for an engine flexible disc clutch, which relates to the technical field of tightening machines and includes a vertical frame. It further includes: a slide table module, and the vertical frame performs linear movement back and forth through the slide table module; four groups of tightening components, and the four groups of tightening components are respectively arranged at the four corners on the front side of the vertical frame. Each group of tightening components includes an XY linear module and a tightening shaft, and the tightening shaft performs linear movement horizontally and vertically through the XY linear module; a camera component for collecting images, and the camera component is arranged on the top of the vertical frame; wherein, a spline shaft coaxially arranged with the tightening shaft is fixed at the tightening end of the tightening shaft. Each tightening shaft of the present invention can rotate automatically, that is, when the tightening shaft contacts the inner hole bolt, the spline sleeve on the tightening shaft can rotate automatically, so that the tightening block on the spline shaft is exactly aligned with the inner hole bolt, thereby inserting the tightening block on the spline shaft into the inner hole bolt, without manual adjustment, improving the tightening efficiency.

Description

Technical Field

[0001] The present invention relates to the technical field of tightening machines, and more particularly to an automatic tightening machine for an engine flexible disk clutch. Background Art

[0002] An automobile engine is a device that provides power for an automobile and is the heart of the automobile, determining the power performance, economy, stability and environmental friendliness of the automobile; according to different power sources, automobile engines can be divided into diesel engines, gasoline engines, electric vehicle motors, and hybrid power, etc.

[0003] The clutch is located in the flywheel housing between the engine and the transmission, and the clutch assembly is fixed to the rear plane of the flywheel with screws. The output shaft of the clutch is the input shaft of the transmission; during the driving process of the automobile, the driver can step on or release the clutch pedal as needed to temporarily separate and gradually engage the engine and the transmission, so as to cut off or transmit the power input from the engine to the transmission; the clutch is a commonly used component in mechanical transmission and can separate or engage the transmission system at any time.

[0004] After retrieval, the patent document with the authorization announcement number CN208409110U discloses a flexible clutch automatic tightening device. The tightening device includes a base, a mounting base, a positioning shaft and a tightening mechanism. The mounting base is arranged on the base, the positioning shaft is detachably arranged on the mounting base, and the tightening mechanism includes a plurality of tightening shafts arranged on the mounting base. The plurality of tightening shafts are distributed around the positioning shaft; the technical solution of this patent can synchronously tighten through a plurality of tightening shafts, and use different positioning shafts to adapt to clutches with different designs, which can reduce part wear during the tightening process and be compatible with the installation of multiple engine clutches with different designs.

[0005] However, the above invention has the following deficiencies: The above uses a tightening shaft for tightening, that is, the inner hole bolt is tightened on the clutch through the tightening shaft. One end of the tightening shaft must be inserted into the inner hole bolt. However, if one end of the tightening shaft and the inner hole bolt cannot be properly aligned, and at the same time, multiple tightening shafts must be inserted into each tightening shaft at the same time to work properly. Summary of the Invention

[0006] The purpose of the present invention is to provide an automatic tightening machine for an engine flexible disk clutch to solve the problems raised in the above background art.

[0007] The technical solution of the present invention is: An automatic tightening machine for an engine flexible disk clutch includes a vertical frame, and further includes:

[0008] A sliding table module, and the vertical frame moves linearly back and forth through the sliding table module;

[0009] Four sets of tightening components, the four sets of tightening components are respectively arranged at the four corners on the front side of the vertical frame, and each set of tightening components includes an XY linear module and a tightening shaft. The tightening shaft performs linear movement in the horizontal and vertical directions through the XY linear module;

[0010] A camera component for collecting images, the camera component is arranged on the top of the vertical frame;

[0011] Among them, a spline shaft coaxially arranged with the tightening end of the tightening shaft is fixed on the tightening end of the tightening shaft. A spline sleeve is slidably sleeved on the spline shaft. A tightening block is fixed at the front end of the spline sleeve. An elastic structure is arranged between the rear end of the spline sleeve and the outer shell of the tightening shaft. A bevel gear ring is arranged on the outer side of the spline sleeve. A one-way bearing that enables the two to rotate only in one direction is arranged between the bevel gear ring and the spline sleeve. A fixed block is fixed on the outer side of the spline sleeve. A rotating shaft is rotatably installed on the outer side of the fixed block. A driven gear and a bevel gear body are respectively fixed at both ends of the rotating shaft. The bevel gear body meshes with the bevel gear ring. A toothed plate meshing with the driven gear is fixed on the outer shell of the tightening shaft;

[0012] The elastic structure, the elastic structure includes a spring, a first fixing ring and a second fixing ring. The two ends of the spring are respectively fixed to the first fixing ring and the second fixing ring. The first fixing ring is coaxially fixed to the outer shell of the tightening shaft. The second fixing ring is rotatably installed on the spline sleeve.

[0013] Preferably, the sliding table module includes a sliding table body and a plurality of first guiding mechanisms. Among them, the first guiding mechanism includes a first guide rail and a first slider slidably sleeved on the first guide rail. The first guide rail is fixed to the sliding table. The first slider is fixed to the vertical frame.

[0014] Preferably, the sliding table module further includes a driving mechanism. Among them, the driving mechanism includes a servo motor, a lead screw body and a connecting block. Both ends of the lead screw body are rotatably installed in the sliding table body through bearing seats. The outer shell of the servo motor is fixed in the sliding table body. The output shaft of the servo motor is coaxially fixed to the lead screw body through a coupling. A nut sleeve adapted to the lead screw body is installed on the outer side of the lead screw body. The connecting block is fixed to the nut sleeve. The connecting block is fixed to the vertical frame.

[0015] Preferably, the XY linear module includes a first electric cylinder, a second electric cylinder and a first fixing frame. The outer shell of the tightening shaft is fixed to the first fixing frame. The outer shell of the first electric cylinder is fixed on the vertical frame, and the moving end of the first electric cylinder moves along the longitudinal direction. The outer shell of the second electric cylinder is fixed on the moving end of the first electric cylinder, and the moving end of the second electric cylinder moves in the horizontal direction. The outer side of the first fixing frame is fixed to the moving end of the second electric cylinder.

[0016] Preferably, the camera assembly includes a cylinder. One end of the cylinder block housing of the cylinder is fixedly installed with a third fixing bracket. The cylinder is fixed at the middle position of the top of the vertical bracket through the third fixing bracket. The telescopic end of the cylinder is fixed with a second fixing bracket, and a CDD camera is fixedly installed inside the second fixing bracket.

[0017] Preferably, the camera assembly further includes a vertical plate. A plurality of second guiding mechanisms are arranged on the front side of the vertical plate. The second guiding mechanism includes a second guide rail and a second slider slidably sleeved on the second guide rail. The outer side of the second slider is fixed on the vertical plate, and a displacement sensor is installed on one side of the vertical plate.

[0018] Preferably, the camera assembly further includes an illumination plate. A fourth fixing bracket is fixed on the front side of the second fixing bracket. The back side of the illumination plate is fixedly installed on the front side of the fourth fixing bracket. A through hole is formed at the center position of the illumination plate, and the imaging end of the CDD camera is aligned with the through hole.

[0019] Preferably.

[0020] The present invention provides an automatic tightening machine for an engine flexible disc clutch by improvement. Compared with the prior art, it has the following beneficial effects:

[0021] First: Each tightening shaft of the present invention can rotate automatically. That is, when the tightening shaft contacts the inner hole bolt, the spline sleeve on the tightening shaft can rotate automatically, so that the tightening block on the spline shaft is aligned with the inner hole bolt, and then the tightening block on the spline shaft is inserted into the inner hole bolt, without manual adjustment, improving the tightening efficiency.

[0022] Second: Traditional clutch tightening generally uses manual tightening, but this method has low efficiency; while the present invention can automatically identify the position of the inner hole bolt (identified by the camera assembly), and through image acquisition by the camera assembly, the tightening shaft is moved to the tightening position and sent for tightening, which can be applied to many models. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings required for the description of the specific embodiments or the prior art. Obviously, the following drawings are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0024] Figure 1 It is a schematic perspective view of the overall structure of the present invention;

[0025] Figure 2 It is a schematic structural view of the slide table module of the present invention;

[0026] Figure 3 Schematic three-dimensional structure diagram of the tightening assembly of the present invention;

[0027] Figure 4 Schematic structure diagram of the camera assembly and the vertical frame of the present invention;

[0028] Figure 5 Schematic structure diagram of the camera assembly of the present invention;

[0029] Figure 6 Schematic structure diagram of the camera assembly without the lighting plate of the present invention;

[0030] Figure 7 Schematic structure diagram of the bottom area of the photography assembly of the present invention;

[0031] Figure 8 Schematic structure diagram of the tightening shaft of the present invention.

[0032] Reference numerals:

[0033] 1. Slide table module; 2. Driving mechanism; 3. Tightening assembly; 4. Camera assembly; 5. Vertical frame; 6. Slide table body; 7. First guiding mechanism; 8. Servo motor; 9. Connecting block; 10. Lead screw body; 11. First electric cylinder; 12. Second electric cylinder; 13. First fixing bracket; 14. Tightening shaft; 15. Lighting plate; 16. Vertical plate; 17. Second guiding mechanism; 18. Displacement sensor; 19. Cylinder; 20. Second fixing bracket; 21. CDD camera; 22. Third fixing bracket; 23. Fourth fixing bracket; 24. Spline shaft; 25. Spring; 26. First fixing ring; 27. Second fixing ring; 28. Bevel gear ring; 29. One-way bearing; 30. Fixed block; 31. Bevel gear body; 32. Spline sleeve; 33. Tightening block; 34. Rack; 35. Driven gear. Detailed implementation manners

[0034] The present invention will be described in detail below. The technical solutions in the embodiments of the present invention are clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0035] The present invention provides an automatic tightening machine for an engine flexible disc clutch by improvement. The technical solution of the present invention is as follows:

[0036] As Figures 1 to 8 shown, the embodiment of the present invention provides an automatic tightening machine for an engine flexible disc clutch, including a vertical frame 5. The vertical frame 5 is made of steel, and further includes:

[0037] Combined with the attached Figure 1 and the attachedFigure 2 As shown, for the sliding table module 1, the vertical frame 5 moves linearly back and forth through the sliding table module 1;

[0038] Further, in combination with the attached Figure 2 As shown, the sliding table module 1 includes a sliding table body 6 and a plurality of first guiding mechanisms 7. Among them, the first guiding mechanism 7 includes a first guide rail and a first slider slidably sleeved on the first guide rail. The first guide rail is fixed to the sliding table, and the first slider is fixed to the vertical frame 5. The setting of the first guiding mechanism 7 is to enable the vertical frame 5 to only move linearly above the sliding table body 6.

[0039] Even further, in combination with the attached Figure 1 and the attached Figure 2 As shown, the sliding table module 1 further includes a driving mechanism 2. Among them, the driving mechanism 2 includes a servo motor 8, a lead screw body 10, and a connecting block 9. Both ends of the lead screw body 10 are rotatably installed in the sliding table body 6 through bearing seats. The housing of the servo motor 8 is fixed in the sliding table body 6, and the output shaft of the servo motor 8 is fixedly coupled coaxially with the lead screw body 10. A nut sleeve adapted to the lead screw body 10 is installed on the outside of the lead screw body 10. To supplement the description of the nut sleeve, the nut sleeve is a common ball nut sleeve in the prior art; the connecting block 9 is fixed to the nut sleeve, and the connecting block 9 is fixed to the vertical frame 5; through the above connection relationship, it can be seen that the servo motor 8 rotates the lead screw body 10 axially through the output shaft, the nut sleeve on the lead screw body 10 moves along the lead screw, and the nut sleeve drives the vertical frame 5 to move through the connecting block 9.

[0040] In combination with the attached Figure 1 and the attached Figure 3 As shown, there are four sets of tightening assemblies 3, and the four sets of tightening assemblies 3 are respectively arranged at the four corners on the front side of the vertical frame 5. Each set of tightening assemblies 3 includes an XY linear module and a tightening shaft 14. Here, to supplement the description of the tightening shaft 14, the tightening shaft 14 is electric; the tightening shaft 14 moves linearly horizontally and vertically through the XY linear module;

[0041] Further, in combination with the attached Figure 3 As shown, the XY linear module includes a first electric cylinder 11, a second electric cylinder 12, and a first fixing frame 13. The housing of the tightening shaft 14 is fixed to the first fixing frame 13. The housing of the first electric cylinder 11 is fixed on the vertical frame 5, and the moving end of the first electric cylinder 11 moves along the longitudinal direction. The housing of the second electric cylinder 12 is fixed on the moving end of the first electric cylinder 11, and the moving end of the second electric cylinder 12 moves in the horizontal direction. The outside of the first fixing frame 13 is fixed to the moving end of the second electric cylinder 12. This supplements the description of the first electric cylinder 11 and the second electric cylinder 12, Figure 3The first electric cylinder 11 and the second electric cylinder 12 shown are both inlaid electric cylinders, mainly to save space. However, the first electric cylinder 11 and the second electric cylinder 12 may not be inlaid electric cylinders, and their specific models are not specifically limited here; the moving end of the first electric cylinder 11 drives the second electric cylinder 12 to move up and down linearly, and the moving end of the second electric cylinder 12 drives the fixing frame to move horizontally.

[0042] Combined with the attached Figures 3 to 7 As shown, the camera assembly 4 for collecting images is arranged at the top of the vertical frame 5;

[0043] Furthermore, combined with the attached Figure 6 and Figure 7 As shown, the camera assembly 4 includes a cylinder 19. One end of the cylinder housing of the cylinder 19 is fixedly installed with a third fixing frame 22. The cylinder 19 is fixed at the middle position on the top of the vertical frame 5 through the third fixing frame 22. The telescopic end of the cylinder 19 is fixed with a second fixing frame 20. A CDD camera 21 is fixedly installed inside the second fixing frame 20. Here, a supplementary description is made for the CDD camera 21. The CDD camera 21 is used for image acquisition, and the CDD camera 21 can also be replaced by a 3D camera; the cylinder 19 drives the CDD camera 21 to move up and down in a telescopic manner.

[0044] Even further, combined with the attached Figure 4 and Figure 5 As shown, the camera assembly 4 further includes a vertical plate 16. A plurality of second guiding mechanisms 17 are arranged on the front side of the vertical plate 16. The second guiding mechanism 17 includes a second guide rail and a second slider slidably sleeved on the second guide rail. The outer side of the second slider is fixed on the vertical plate 16; the second guiding mechanism 17 is provided to enable the vertical plate 16 to move up and down linearly on the vertical frame 5; a displacement sensor 18 is installed on one side of the vertical plate 16. The displacement sensor 18 is provided to detect the up and down movement distance of the vertical plate 16.

[0045] Even further, combined with the attached Figure 5 、 Figure 6 and Figure 7 As shown, the camera assembly 4 further includes a lighting plate 15. A fourth fixing frame 23 is fixed on the front side of the second fixing frame 20. The back surface of the lighting plate 15 is fixedly installed on the front side of the fourth fixing frame 23. A through hole is opened at the center position of the lighting plate 15. The imaging end of the CDD camera 21 is directly aligned with the through hole; the lighting plate 15 is used for lighting so that the CDD camera 21 can clearly collect images.

[0046] Among them, combined with the attached Figure 8 As shown, the tightening end of the tightening shaft 14 is fixed with a spline shaft 24 coaxially arranged with it. A spline sleeve 32 is slidably sleeved on the spline shaft 24. The spline sleeve 32 can slide linearly along the spline shaft 24; the front end of the spline sleeve 32 is fixed with a tightening block 33,Figure 8 The tightening block 33 shown is a square block, or it can be a hexagonal block, which is mainly formulated according to the hole shape of the inner hole bolt, or the remaining connecting ends that can adapt to the inner hole bolt are installed at the front end of the spline sleeve 32; an elastic structure is arranged between the rear end of the spline sleeve 32 and the outer shell of the tightening shaft 14, and the elastic structure includes a spring 25, a first fixing ring 26 and a second fixing ring 27. The two ends of the spring 25 are respectively fixed to the first fixing ring 26 and the second fixing ring 27. The first fixing ring 26 is coaxially fixed to the outer shell of the tightening shaft 14, and the second fixing ring 27 is rotatably mounted on the spline sleeve 32. During the backward movement of the spline sleeve 32, the spring 25 is compressed, and the setting of the elastic structure allows the spline sleeve 32 and the spline shaft 24 to elastically expand and contract; a bevel gear ring 28 is arranged on the outer side of the spline sleeve 32, and a one-way bearing 29 that allows the bevel gear ring 28 and the spline sleeve 32 to rotate only in one direction is arranged between the bevel gear ring 28 and the spline sleeve 32. A fixed block 30 is fixed, and a rotating shaft is rotatably installed on the outer side of the fixed block 30. A driven gear 35 and a bevel gear body 31 are fixed to both ends of the rotating shaft. The bevel gear body 31 meshes with the bevel gear ring 28. The outer shell of the tightening shaft 14 is fixed with a tooth plate 34 meshing with the driven gear 35. When the spline sleeve 32 contacts the inner hole bolt, when the tightening block 33 on the spline sleeve 32 is not aligned with the inner hole of the inner hole bolt, the spline sleeve 32 moves backward, and the spring The spring 25 is compressed, and the driven gear 35 on the spline sleeve 32 moves backward. The driven gear 35 is moved by the rack, and the driven gear 35 drives the bevel gear body 31 to rotate through the rotating shaft. The bevel gear body 31 moves the bevel gear ring 28, and the bevel gear ring 28 drives the spline sleeve 32 to rotate through the one-way bearing 29 until the tightening block 33 on the spline sleeve 32 is aligned with the inner hole of the inner hole bolt, and the spring 25 is reset to insert the tightening block 33 into the inner hole bolt.

[0047] Working principle: A tooling is set in front of the whole tightening machine, which is used to fix the clutch. Each bolt positioning hole of the clutch is pre-tightened with the inner hole bolt;

[0048] The lighting lamp illuminates the clutch in front, so that the CDD camera 21 can clearly capture the image. The cylinder 19 drives the CDD camera 21 to move up and down in the form of extension and contraction, so that the CDD camera 21 can capture the clutch image more comprehensively.

[0049] The collected clutch image is sent to the computer, and the computer's built-in recognition algorithm is used for recognition, thereby controlling each XY linear module. The moving end of the first electric cylinder 11 of the XY linear module drives the second electric cylinder 12 of the XY linear module to move up and down linearly, and the moving end of the second electric cylinder 12 of the XY linear module drives the fixed frame to move horizontally, so that the tightening shaft 14 on the fixed frame can be aligned with the inner hole bolt;

[0050] The servo motor 8 causes the screw body 10 to rotate axially through the output shaft, and the nut sleeve on the screw body 10 moves along the screw, and the nut sleeve drives the vertical frame 5 to move through the connecting block 9, so that the tightening shaft 14 on the vertical frame 5 contacts the inner hole bolt;

[0051] When the spline sleeve 32 contacts the inner hole bolt, when the tightening block 33 on the spline sleeve 32 is not aligned with the inner hole of the inner hole bolt, the spline sleeve 32 moves backward, the spring 25 is compressed, and the driven gear 35 on the spline sleeve 32 moves backward accordingly. The driven gear 35 is moved by the rack, and the driven gear 35 drives the bevel gear body 31 to rotate through the rotating shaft. The bevel gear body 31 moves the bevel gear ring 28, and the bevel gear ring 28 drives the spline sleeve 32 to rotate through the one-way bearing 29 until the tightening block 33 on the spline sleeve 32 is aligned with the inner hole of the inner hole bolt, and the spring 25 is reset to insert the tightening block 33 into the inner hole bolt.

[0052] After the tightening blocks 33 on each tightening shaft 14 are inserted into the inner hole bolt, each tightening shaft 14 is started synchronously to perform the tightening work.

[0053] The above description enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An automatic tightening machine for an engine flexible disc clutch, comprising a vertical frame (5), characterized in that: Also includes: A slide module (1), wherein the vertical frame (5) moves forward and backward in a straight line through the slide module (1); Four sets of tightening assemblies (3), the four sets of tightening assemblies (3) being respectively arranged at four corners on the front side of the vertical frame (5), each set of tightening assemblies (3) comprising an XY linear module and a tightening shaft (14), and the tightening shaft (14) is capable of performing horizontal and vertical linear movement via the XY linear module; A camera assembly (4) for capturing images, wherein the camera assembly (4) is arranged on the top of the vertical frame (5); The tightening end of the tightening shaft (14) is fixed with a spline shaft (24) coaxially arranged therewith, a spline sleeve (32) is provided on the sliding sleeve of the spline shaft (24), a tightening block (33) is fixed to the front end of the spline sleeve (32), an elastic structure is provided between the rear end of the spline sleeve (32) and the outer shell of the tightening shaft (14), a bevel gear ring (28) is provided on the outer side of the spline sleeve (32), a one-way bearing (29) is provided between the bevel gear ring (28) and the spline sleeve (32) so that both can only rotate in one direction, a fixing block (30) is fixed to the outer side of the spline sleeve (32), a rotating shaft is rotatably installed on the outer side of the fixing block (30), a driven gear (35) and a bevel gear body (31) are respectively fixed to the two ends of the rotating shaft, the bevel gear body (31) is meshed with the bevel gear ring (28), and a toothed plate (34) meshed with the driven gear (35) is fixed to the outer shell of the tightening shaft (14); The elastic structure comprises a spring (25), a first fixing ring (26) and a second fixing ring (27); two ends of the spring (25) are respectively fixed to the first fixing ring (26) and the second fixing ring (27); the first fixing ring (26) is coaxially fixed to the outer shell of the tightening shaft (14); and the second fixing ring (27) is rotatably mounted on the spline sleeve (32).

2. The automatic tightening machine for the engine flexible disc clutch according to claim 1, characterized in that: The slide module (1) comprises a slide body (6) and a plurality of first guide mechanisms (7), wherein the first guide mechanism (7) comprises a first guide rail and a first slider slidably mounted on the first guide rail, the first guide rail is fixed to the slide, and the first slider is fixed to the vertical frame (5).

3. The automatic tightening machine for the engine flexible disc clutch according to claim 2, characterized in that: The slide module (1) also includes a driving mechanism (2), wherein the driving mechanism (2) includes a servo motor (8), a screw body (10) and a connecting block (9), both ends of the screw body (10) are rotatably mounted in the slide body (6) through bearing seats, the housing of the servo motor (8) is fixed in the slide body (6), the output shaft of the servo motor (8) is fixed to the screw body (10) by a coaxial coupling, a nut sleeve matching the screw body (10) is installed on the outer side of the screw body (10), the connecting block (9) is fixed to the nut sleeve, and the connecting block (9) is fixed to the vertical frame (5).

4. The automatic tightening machine for the engine flexible disc clutch according to claim 1, characterized in that: The XY linear module comprises a first electric cylinder (11), a second electric cylinder (12) and a first fixed frame (13); the outer shell of the tightening shaft (14) is fixed to the first fixed frame (13); the outer shell of the first electric cylinder (11) is fixed to the vertical frame (5), and the moving end of the first electric cylinder (11) moves along the longitudinal direction; the outer shell of the second electric cylinder (12) is fixed to the moving end of the first electric cylinder (11), and the moving end of the second electric cylinder (12) moves in the transverse direction; and the outer side of the first fixed frame (13) is fixed to the moving end of the second electric cylinder (12).

5. The automatic tightening machine for the engine flexible disc clutch according to claim 1, characterized in that: The camera assembly (4) comprises a cylinder (19), a third fixing frame (22) being fixedly mounted on one end of a cylinder housing of the cylinder (19), the cylinder (19) being fixed to a middle position at the top of the vertical frame (5) via the third fixing frame (22), a second fixing frame (20) being fixed to a telescopic end of the cylinder (19), and a CDD camera (21) being fixed inside the second fixing frame (20).

6. The automatic tightening machine for the engine flexible disc clutch according to claim 5, characterized in that: The camera assembly (4) further comprises a vertical plate (16), a plurality of second guide mechanisms (17) being arranged on the front side of the vertical plate (16), the second guide mechanism (17) comprising a second guide rail and a second slider slidably mounted on the second guide rail, the outer side of the second slider being fixed on the vertical plate (16), and a displacement sensor (18) being mounted on one side of the vertical plate (16).

7. The automatic tightening machine for the engine flexible disc clutch according to claim 6, characterized in that: The camera assembly (4) further comprises a lighting board (15), a fourth fixing frame (23) being fixed to the front side of the second fixing frame (20), the back side of the lighting board (15) being fixedly mounted to the front side of the fourth fixing frame (23), a through hole being provided at the center of the lighting board (15), and the camera end of the CDD camera (21) being aligned with the through hole.

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