CN112024960A

CN112024960A - Scale removing equipment for processing fault diagnosis of cambered eccentric cam

Info

Publication number: CN112024960A
Application number: CN202010891564.4A
Authority: CN
Inventors: 胡蓓; 梁志淙; 邝海桥
Original assignee: Chongqing Xinyiyuan Intelligent Technology Co Ltd
Current assignee: Chongqing Xinyiyuan Intelligent Technology Co Ltd
Priority date: 2020-08-31
Filing date: 2020-08-31
Publication date: 2020-12-04

Abstract

The invention discloses scale removing equipment for processing fault diagnosis of an arc eccentric cam, which relates to the technical field of non-standard cam processing, in particular to a base, a cutting fluid spray head, a milling combination mechanism, an eccentric cam clamp and a stepless speed regulation mechanism, wherein one side of the lower end of the base is provided with a control console, one side of the top end of a sliding rail is provided with a material box, the middle end of the base is provided with the milling combination mechanism, the surface of a driven disc is fixed with a sliding block, the other side of the milling cutter mechanism is provided with a milling cutter, the scale removing equipment for processing fault diagnosis of the arc eccentric cam is provided with the cutting fluid spray head, so that the friction between a front cutter face and chips and the friction between a rear cutter face and a processed surface can be reduced, a partial lubricating film is formed, the consumption of cutting force, friction and power is reduced, the surface temperature and the cutter abrasion of the friction, the cutting fluid with good lubricating and cooling performance can prevent and inhibit scale from generating and growing.

Description

Scale removing equipment for processing fault diagnosis of cambered eccentric cam

Technical Field

The invention relates to the technical field of non-standard cam machining, in particular to scale removing equipment for diagnosing machining faults of an eccentric cam with an arc surface.

Background

In the cutting process of metal materials, scale burrs with different degrees often appear on the surface of parts, and the scale burrs shown by different materials, different cutting consumption and different geometrical angles of cutter blades are different in height, so that the data show that when high-speed steel, hard alloy or ceramic cutters are used for cutting some common plastic metal materials at a lower cutting speed, the scale burrs can appear in the machining procedures of lathing, planing, inserting, drilling, pulling, hobbing, threading, reaming threads, threading and the like.

The common problems of the existing non-standard cam processing equipment are as follows: the cutting surface roughness is high and is often the most outstanding problem in production, and main reasons influencing the cutting surface roughness are scale thorns, scratches, annular ripples and annular cuttings, wherein the scale thorns have serious influence on the surface quality of parts, so that the surface layers of the parts generate residual stress, further the surfaces of the parts easily generate microcracks, the fatigue strength of the parts is reduced, and after the assembled parts are assembled, the actual contact surface is reduced, the contact rigidity is reduced, and the working precision of a machine is influenced.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides scale removing equipment for processing fault diagnosis of an eccentric cam with an arc surface, which solves the problems in the background art.

In order to achieve the above purposes, the invention realizes the scale removing equipment for processing fault diagnosis of the cambered eccentric cam by the following technical scheme, which comprises a base, a cutting fluid spray head, a milling combination mechanism, an eccentric cam clamp and a stepless speed regulating mechanism, wherein one side of the lower end of the base is provided with a control console, one side of the bottom end of the base is fixed with a support, the top end of the support is connected with a cover plate, one side of the top end of the support is provided with a slide rail, one side of the top end of the slide rail is provided with a material box, the middle end of the slide rail is provided with the cutting fluid spray head, the middle end of the base is provided with the milling combination mechanism, the bottom of the milling combination mechanism is provided with a driving disc, the top end of the driving disc is provided with a turning gear, the top end of the turning, and first belt is kept away from drive disc one side and is provided with driven disc, driven disc fixed surface has the slider, and the slider top is provided with the spout, the guide arm has been seted up on the spout top, and the guide arm middle-end is provided with the casting body, the guide arm top is provided with milling cutter mechanism, and milling cutter mechanism one side is provided with electrodeless speed adjusting mechanism, milling cutter mechanism opposite side is provided with milling cutter.

Optionally, the support and the cover plate are connected by a bearing to form a rotatable mechanism, the support and the material box are in an integrated structure, the material box and the cutting fluid nozzle are connected by an adhesive tape, and a sliding block arranged on the back of the cutting fluid nozzle is communicated with the sliding rail.

Optionally, the driving disc is connected with the driven disc through a first belt to form a transmission mechanism, the driving disc is connected with the change gear through a rotating shaft to form the transmission mechanism, an idler wheel is arranged at the top end of the change gear, and the idler wheel is connected with the eccentric cam clamp through a bearing to form the transmission mechanism.

Optionally, a workbench is arranged at the bottom of the eccentric cam clamp, a pull-out type positioning pin is arranged on one side of the top end of the workbench, a first limiting convex block is arranged on one side of the pull-out type positioning pin, a telescopic rod is arranged on one side of the first limiting convex block, a fixing bolt is arranged on one side, close to the first limiting convex block, of the telescopic rod, a handle is arranged on one side, away from the first limiting convex block, of the telescopic rod, a backboard is arranged on one side, away from the pull-out type positioning pin, of the top end of the base, a second limiting convex block is arranged on the top end of the backboard, an adjusting gasket is arranged at the middle end.

Optionally, a cavity is formed inside the pull-out type positioning pin, the first limit bump is connected with the handle through a telescopic rod to form an elastic structure, the second limit bump and the back plate are designed to be integrated, the back plate is movably connected with the clamping plate, and the fixing rod is connected with the back plate through a bearing to form a rotatable structure.

Optionally, a sliding block is fixed on the surface of the driven disc, the shape of the sliding block is matched with that of the sliding groove, the guide rod is movably connected with the casting body, and the guide rod is connected with the milling cutter mechanism through a bolt to form a detachable mechanism.

Optionally, the bottom of the stepless speed regulating mechanism is provided with a bearing seat, one side of the bottom of the bearing seat is provided with a driven rod, the top end of the driven rod is provided with a roller, the top end of the driven rod is connected with a second belt, one side of the driven rod, which is far away from the second belt, is provided with a motor, the bottom of the driven rod is provided with an output shaft, the surface of the output shaft is provided with a guide groove, and one side of the output shaft is provided.

Optionally, the driven lever is connected with the motor through the second belt, constitutes transmission structural design, and the driven lever surface laminates with the second belt mutually, the driven lever internal diameter is from inside to outside crescent.

Optionally, the bearing seat is movably connected with the driven rod, a roller is fixed on one side of the top end of the driven rod, the size of the roller is matched with that of a guide groove formed in the surface of the output shaft, and the output shaft and the input shaft form a transmission mechanism design.

The invention provides scale removing equipment for processing fault diagnosis of an eccentric cam with an arc surface, which has the following beneficial effects:

1. this be used for diagnostic scale clearance equipment of cambered surface eccentric cam processing fault, through being provided with the cutting fluid shower nozzle, can reduce rake face and smear metal, the friction between back knife face and the machined surface, form partial lubrication film, thereby reduce the cutting force, the consumption of friction and power, reduce the surface temperature and the cutter wearing and tearing of cutter and work piece blank friction position, improve the cutting processability of work piece material, the use of cutting fluid can be taken away cutting heat from cutter and work piece through the convection current and the chemical action between cutter and the work piece that the cutting generates heat because of cutting, thereby effectual reduction cutting temperature, reduce the friction, adopt the fine cutting fluid of lubricating cooling performance can prevent and restrain the scale and produce and grow.

2. This be used for cambered surface eccentric cam processing scale thorn clearing apparatus for failure diagnosis, through being provided with milling combination mechanism, combination adjustment anchor clamps to suitable station through change gear and idler, and be connected through positioning bolt between anchor clamps and the base, can quick replacement anchor clamps, be swing joint between guide arm and the casting body, and the spout that the guide arm bottom was seted up is vertical reciprocating motion along with driven disc fixed surface's slider, motion amplitude and clearance can be adjusted through the centre-to-centre spacing of adjusting slider and driven disc, milling cutter mechanism makes the work piece obtain abundant polishing through the reciprocating motion of suitable frequency, work efficiency obtains promoting.

3. This be used for cambered surface eccentric cam processing scale clearance equipment for failure diagnosis, through being provided with eccentric cam anchor clamps, this anchor clamps are to the nonstandard anchor clamps of an arc eccentric cam design, carry out the centre gripping to work piece top end circular slot through first spacing lug, loosen handle adjustment work piece bottom circular slot to suitable station back locking handle, the spacing lug of second carries out the centre gripping to work piece bottom circular slot, close splint and carry out the locking to the work piece with the fixed rod, carry out powerful centre gripping to the work piece under the prerequisite that does not influence the processing position, prevent that the work piece from leading to cutting thickness because of becoming flexible differs, and the scale forms and highly increases along with cutting thickness increase, the production and the growth of scale have effectively been suppressed in eccentric cam anchor clamps's use.

4. This be used for diagnostic scale of cambered surface eccentric cam processing trouble to clear away equipment, through being provided with water tank and protection casing, the protection casing can block the sweeps of cutting that the milling process produced on the one hand, avoids the sweeps to spatter all around and causes the threat to staff's safety, is equipped with water cavity and shower nozzle in the on the other hand protection casing, can cooperate water tank and water pump to use, cools off milling cutter, extension milling cutter's life.

5. The scale removing equipment for processing fault diagnosis of the arc eccentric cam is provided with the stepless speed regulating mechanism, the cutting speed of the milling cutter is changed by changing the center distance of the stepless speed regulating mechanism to cause the change of the transmission ratio, the scale is influenced mainly by the cutting temperature at the cutting speed, when the temperature is in a certain range, the friction coefficient between a cutter and chips is maximum, the lamination of a cutting layer is easy to generate, the cutting speed is a main factor influencing the cutting temperature, the scale is easy to form in a certain moderate cutting speed range, when the cutting speed is low, the scale begins to appear but has smaller height, the height of the scale is increased along with the increase of the cutting speed, and the scale is reduced and finally disappears when the cutting speed reaches a certain speed.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a side view of the internal structure of the present invention;

FIG. 3 is a schematic front view of the milling assembly according to the present invention;

FIG. 4 is a front view of the eccentric cam fixture of the present invention;

fig. 5 is a schematic view of a front view structure of the stepless speed regulating mechanism of the invention.

In the figure: 1. a base; 2. a console; 3. a support; 4. a cover plate; 5. a slide rail; 6. a magazine; 7. a cutting fluid spray head; 8. a milling combination mechanism; 9. a drive disk; 10. a change gear; 11. an idler pulley; 12. a rotating shaft; 13. an eccentric cam clamp; 1301. a work table; 1302. a pull-out type positioning pin; 1303. a first limit bump; 1304. a telescopic rod; 1305. fixing the bolt; 1306. a handle; 1307. a back plate; 1308. a second limit bump; 1309. adjusting the gasket; 1310. a splint; 1311. fixing the rod; 14. a first belt; 15. a driven disk; 16. a slider; 17. a chute; 18. a guide bar; 19. casting a body; 20. a milling cutter mechanism; 21. a stepless speed regulating mechanism; 2101. a bearing seat; 2102. a driven lever; 2103. a roller; 2104. a second belt; 2105. a motor; 2106. an output shaft; 2107. a guide groove; 2108. an input shaft; 22. provided is a milling cutter.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus are not to be construed as limiting the present invention, and furthermore, the terms "first", "second", "third", and the like are only used for descriptive purposes and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate, and those skilled in the art will understand the specific meaning of the above terms in the present invention in specific situations.

Referring to fig. 1 to 5, the present invention provides a technical solution: a scale removing device for processing fault diagnosis of an eccentric cam with an arc surface comprises a base 1, a cutting fluid spray head 7, a milling combination mechanism 8, an eccentric cam clamp 13 and a stepless speed regulation mechanism 21, wherein a control console 2 is arranged on one side of the lower end of the base 1, a support 3 is fixed on one side of the bottom end of the base 2, a cover plate 4 is connected to the top end of the support 3, a slide rail 5 is arranged on one side of the top end of the support 4, a material box 6 is arranged on one side of the top end of the slide rail 5, the cutting fluid spray head 7 is arranged at the middle end of the slide rail 5, the support 3 is connected with the cover plate 4 through a bearing to form a rotatable mechanism, the support 3 and the material box 6 are in an integrated structure, the material box 6 is connected with the cutting fluid spray head 7 through an adhesive tape, a slide block arranged on the back of the, on the other hand, friction can be reduced through lubrication and cooling, generation and growth of scale is inhibited, the middle end of the base 1 is provided with the milling combination mechanism 8, the bottom of the milling combination mechanism 8 is provided with the driving disc 9, the top end of the driving disc 9 is provided with the change gear 10, the top end of the change gear 10 is provided with the idle wheel 11, the driving disc 9 is connected with the driven disc 15 through the first belt 14 to form a transmission mechanism, the driving disc 9 is connected with the change gear 10 through the rotating shaft to form the transmission mechanism, the top end of the change gear 10 is provided with the idle wheel 11, the idle wheel 11 is connected with the eccentric cam clamp 13 through the bearing to form the transmission mechanism, the combination of the change gear 10 and the idle wheel 11 enables the eccentric cam clamp 13 to self-adjust and rotate to a proper station, and the distance between the two stations is changed through changing the distance, the device is beneficial to development of subsequent processes and improves the precision of the device, a rotating shaft 12 is arranged at the middle end of an idler 11, an eccentric cam clamp 13 is arranged at the top end of the rotating shaft 12, a workbench 1301 is arranged at the bottom of the eccentric cam clamp 13, a pull-out positioning pin 1302 is arranged on one side of the top end of the workbench 1301, a first limiting bump 1303 is arranged on one side of the pull-out positioning pin 1302, a telescopic rod 1304 is arranged on one side of the first limiting bump 1303, a fixing bolt 1305 is arranged on one side of the telescopic rod 1304 close to the first limiting bump 1303, a handle 1306 is arranged on one side of the telescopic rod 1304 far away from the first limiting bump 1303, a back plate 1307 is arranged on one side of the top end of a base 1 far away from the pull-out positioning pin 1302, a second limiting bump 1308 is arranged at the top end of the back plate 1307, an, the first limiting bump 1303 is connected with a handle 1306 through an expansion link 1304 to form an elastic structure, the second limiting bump 1308 and a back plate 1307 are designed into an integral structure, the back plate 1307 is movably connected with a clamping plate 1310, a fixing rod 1311 is connected with the back plate 1307 through a bearing to form a rotatable structure, the elastic mechanism in the cavity of the pull-out type positioning pin 1302 enables the eccentric cam clamp 13 to adapt to clamping of non-standard cams with different sizes and shapes, the position of a workpiece can be finely adjusted through the use of an adjusting gasket 1309 to obtain better clamping force, the fixing rod 1311 is arranged on one side, away from the clamping plate 1310, of the back plate 1307, the eccentric cam clamp 13 enables machining of non-standard workpieces such as arc eccentric cams and the like to have better clamping force, generation of scale due to different cutting thicknesses caused by loosening of the workpieces is prevented, production efficiency is improved, the top end of the driving disc 9 is connected with a first belt, and the side of the first belt 14 far away from the driving disc 9 is provided with a driven disc 15, the surface of the driven disc 15 is fixed with a slide block 16, the top end of the slide block 16 is provided with a slide groove 17, the top end of the slide groove 17 is provided with a guide rod 18, the middle end of the guide rod 18 is provided with a casting body 19, the surface of the driven disc 15 is fixed with the slide block 16, the shape of the slide block 16 is matched with that of the slide groove 17, the guide rod 18 is movably connected with the casting body 19, and the guide rod 18 is connected with a milling cutter mechanism 20 through a bolt to form a detachable mechanism, the detachable mechanism at one side of the milling cutter mechanism 20 can realize the quick change of cutters in a working procedure, the working efficiency is increased, the milling cutter mechanism 20 driven by the guide rod 16 is positioned on the surface of the driven disc 15 to do longitudinal reciprocating motion, so that, the bottom of the stepless speed regulating mechanism 21 is provided with a bearing seat 2101, one side of the bottom of the bearing seat 2101 is provided with a driven rod 2102, the top end of the driven rod 2102 is provided with a roller 2103, the top end of the driven rod 2102 is connected with a second belt 2104, the driven rod 2102 is connected with a motor 2105 through the second belt 2104 to form a transmission structure design, the surface of the driven rod 2102 is attached to the second belt 2104, the inner diameter of the driven rod 2102 is gradually increased from inside to outside, the cutting speed is changed by changing the center distance of the driven rod 2102, the cutting speed mainly influences scale burrs through the cutting temperature, when the temperature is within a certain range, the friction coefficient between a knife and scraps is maximum, the lamination of cutting layers is easy to generate, the cutting speed is a main factor influencing the cutting temperature, one side of the driven rod 2102, which is far away from the second belt 2104, is provided with the motor 2105, the bottom of the driven rod 2102 is provided with an, a roller 2103 is fixed at one side of the top end of the driven rod 2102, the size of the roller 2103 is matched with that of a guide groove 2107 arranged on the surface of the output shaft 2106, and the output shaft 2106 and the input shaft 2108 form a transmission mechanism design, the length of the guide slot 2107 limits the movement distance of the driven rod 2102, the length of the guide groove 2107 is changed to ensure that the milling cutter 22 obtains an optimal cutting speed under the transmission of the stepless speed regulating mechanism 21, which is beneficial to preventing the generation and growth of scale thorn, the surface of the output shaft 2106 is provided with the guide groove 2107, one side of the output shaft 2106 is provided with the input shaft 2108, the center distance of the driven rod 2102 in the stepless speed regulating mechanism 21 is changed, so that the transmission ratio is changed, the cutting speed of the milling cutter 22 is influenced, and when the cutting speed is low, the scale starts to appear but the height is smaller, the height of the scale increases along with the increase of the cutting speed, the scale decreases when reaching a certain speed and finally disappears, and the milling cutter 22 is arranged on the other side of the milling cutter mechanism 20.

In conclusion, when the device is used, a power supply is switched on, the circular groove at the top end of the workpiece is placed in the second limit bump 1308 on one side of the top end of the eccentric cam clamp 13 to be clamped, the circular groove at the bottom end of the workpiece is adjusted to a proper station on one side of the pull-out locating pin 1302, the first limit bump 1303 is used for clamping the circular groove at the lower end of the workpiece under the action of the telescopic rod 1304 by pulling the handle 1306, then the clamping plate 1310 is closed, the fixed rod 1311 is locked after the position of the workpiece is finely adjusted by the adjusting gasket 1309, the workpiece is clamped, the cover plate 4 is closed, the cutting fluid spray head 7 moves to a proper station under the action of the sliding rail 5, the position of the eccentric cam clamp 13 is adjusted by the driving disc 9 through the combination of the change gear 10 and the idler wheel 11, the driven disc 15 makes the sliding block 16 on the surface of the driven disc perform circular motion under the drive of the first belt 14, make milling cutter mechanism 20 can all-round multi-angle carry out the cutting to the work piece and polish, electrodeless speed control mechanism 21 begins the operation under motor 2105 and second belt 2104 drive simultaneously, be swing joint between bearing frame 2101 and the driven lever 2102, and be located output shaft 2106 table end guide slot 2107 through changing the position of driven lever 2102 bottom roller 2103, change milling cutter 22 cutting speed through changing the centre-to-centre spacing of driven lever 2102.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides an equipment is clear away to scale for processing failure diagnosis of cambered surface eccentric cam, includes base (1), cutting fluid shower nozzle (7), mills combined mechanism (8), eccentric cam anchor clamps (13) and electrodeless speed adjusting mechanism (21), its characterized in that: the automatic cutting machine is characterized in that a control console (2) is arranged on one side of the lower end of a base (1), a support (3) is fixed on one side of the bottom end of the base (2), a cover plate (4) is connected to the top end of the support (3), a slide rail (5) is arranged on one side of the top end of the support (4), a material box (6) is arranged on one side of the top end of the slide rail (5), a cutting fluid spray head (7) is arranged at the middle end of the slide rail (5), a milling combination mechanism (8) is arranged at the middle end of the base (1), a driving disc (9) is arranged at the bottom of the milling combination mechanism (8), a change gear (10) is arranged at the top end of the driving disc (9), an idler (11) is arranged at the top end of the change gear (10), a rotating shaft (12) is arranged at the middle end, and first belt (14) keep away from drive disc (9) one side and be provided with driven disc (15), driven disc (15) fixed surface has slider (16), and slider (16) top is provided with spout (17), guide arm (18) have been seted up on spout (17) top, and guide arm (18) middle-end is provided with casting body (19), guide arm (18) top is provided with milling cutter mechanism (20), and milling cutter mechanism (20) one side is provided with electrodeless speed adjusting mechanism (21), milling cutter mechanism (20) opposite side is provided with milling cutter (22).

2. The scale removing device for diagnosing machining faults of the arc eccentric cam according to claim 1, wherein the scale removing device comprises: the support (3) is connected with the cover plate (4) through a bearing to form a rotatable mechanism, the support (3) and the material box (6) are of an integrated structure, the material box (6) is connected with the cutting fluid nozzle (7) through an adhesive tape, and a sliding block arranged on the back of the cutting fluid nozzle (7) is communicated with the sliding rail (6).

3. The scale removing device for diagnosing machining faults of the arc eccentric cam according to claim 1, wherein the scale removing device comprises: the driving disc (9) is connected with the driven disc (15) through a first belt (14) to form a transmission mechanism, the driving disc (9) is connected with the change gear (10) through a rotating shaft to form the transmission mechanism, an idler wheel (11) is arranged at the top end of the change gear (10), and the idler wheel (11) is connected with the eccentric cam clamp (13) through a bearing to form the transmission mechanism.

4. The scale removing device for diagnosing machining faults of the arc eccentric cam according to claim 1, wherein the scale removing device comprises: a workbench (1301) is arranged at the bottom of the eccentric cam clamp (13), a pull-out positioning pin (1302) is arranged on one side of the top end of the workbench (1301), a first limit bump (1303) is arranged on one side of the pull-out type positioning pin (1302), and one side of the first limit convex block (1303) is provided with a telescopic rod (1304), one side of the telescopic rod (1304) close to the first limit convex block (1303) is provided with a fixed bolt (1305), and one side of the telescopic rod (1304) far away from the first limit bump (1303) is provided with a handle (1306), a back plate (1307) is arranged on one side of the top end of the base (1) far away from the pull-out type positioning pin (1302), a second limit bump (1308) is arranged at the top end of the back plate (1307), an adjusting gasket (1309) is arranged at the middle end of the back plate (1307), and one side of the back plate (1307) close to the second limit bump (1308) is provided with a clamping plate (1310), and a fixing rod (1311) is arranged on one side of the back plate (1307) far away from the clamping plate (1310).

5. The scale removing device for diagnosing machining faults of the arc eccentric cam according to claim 4, wherein the scale removing device comprises: the pull-out type positioning pin (1302) is internally provided with a cavity, the first limiting bump (1303) is connected with the handle (1306) through a telescopic rod (1304) to form an elastic structure, the second limiting bump (1308) and the back plate (1307) are designed into an integrated structure, the back plate (1307) is movably connected with the clamping plate (1310), and the fixing rod (1311) is connected with the back plate (1307) through a bearing to form a rotatable structure.

6. The scale removing device for diagnosing machining faults of the arc eccentric cam according to claim 1, wherein the scale removing device comprises: the surface of the driven disc (15) is fixed with a sliding block (16), the shape of the sliding block (16) is matched with that of the sliding groove (17), the guide rod (18) is movably connected with the casting body (19), and the guide rod (18) is connected with the milling cutter mechanism (20) through a bolt to form a detachable mechanism.

7. The scale removing device for diagnosing machining faults of the arc eccentric cam according to claim 1, wherein the scale removing device comprises: the stepless speed regulating mechanism (21) bottom is provided with bearing frame (2101), and bearing frame (2101) bottom one side is provided with driven lever (2102), driven lever (2102) top is provided with roller (2103), and driven lever (2102) top is connected with second belt (2104), driven lever (2102) are kept away from second belt (2104) one side and are provided with motor (2105), and driven lever (2102) bottom is provided with output shaft (2106), guide slot (2107) have been seted up on output shaft (2106) surface, and output shaft (2106) one side is provided with input shaft (2108).

8. The scale removing device for diagnosing the machining fault of the arc eccentric cam according to claim 7, wherein: the driven rod (2102) is connected with the motor (2105) through the second belt (2104) to form a transmission structure design, the surface of the driven rod (2102) is attached to the second belt (2104), and the inner diameter of the driven rod (2102) is gradually increased from inside to outside.

9. The scale removing device for diagnosing the machining fault of the arc eccentric cam according to claim 7, wherein: the bearing seat (2101) is movably connected with the driven rod (2102), a roller (2103) is fixed on one side of the top end of the driven rod (2102), the size of the roller (2103) is matched with that of a guide groove (2107) formed in the surface of the output shaft (2106), and the output shaft (2106) and the input shaft (2108) form a transmission mechanism design.