CN210997888U

CN210997888U - Automatic burr polisher of camshaft

Info

Publication number: CN210997888U
Application number: CN201920924380.6U
Authority: CN
Inventors: 郭书军
Original assignee: Tianjin Foundry Intelligent Technology Co ltd
Current assignee: Tianjin Foundry Intelligent Technology Co ltd
Priority date: 2019-06-19
Filing date: 2019-06-19
Publication date: 2020-07-14
Anticipated expiration: 2029-06-19

Abstract

The utility model provides an automatic burr polisher of camshaft belongs to the equipment field of polishing, including the manipulator, the subassembly of polishing, workstation and the frock of setting on the workstation, revolving stage and jacking rotating assembly, the workstation sets up in manipulator the place ahead, the subassembly dress card of polishing is on the manipulator, frock quantity is two settings at the backup pad both ends, the backup pad setting is on the revolving stage, the revolving stage sets up on the workstation, the revolving stage carries out 180 rotations through the drive assembly drive, jacking rotating assembly is located the frock below and sets up in the workstation, jacking rotating assembly drive frock goes up and down and rotates. The utility model is simple in operation, realize continuous material loading, can realize the automation of a plurality of angles and polish and the unloading, production efficiency is high, and the feature of environmental protection is strong moreover.

Description

Automatic burr polisher of camshaft

Technical Field

The utility model belongs to the equipment field of polishing relates to an automatic burr polisher of camshaft.

Background

With the development of the technological level, after materials are processed or cast, burrs are ground subsequently, most of the grinding work is finished manually at present, grinding is an important process link in the industries such as mechanical manufacturing industry, processing industry, die industry, wood industry, leather industry and the like, and the grinding aims to remove the burrs on the surface of a product workpiece, make the workpiece smooth, facilitate continuous processing or achieve a finished product and improve the appearance and quality of the product.

In the process of polishing, the instrument of use is the grinding machine mainly, emery wheel mill etc., though adopt machinery to accomplish, but go up unloading and actual operation still mainly rely on the manual work to accomplish, and at the in-process of polishing, can produce a lot of cuttings, when the work piece is irregular shape, the frock of dress card work piece need go up and down, the rotation cooperates the emery wheel, realize that the multiaspect of work piece is polished, the drive arrangement majority that the work piece rises is cylinder control, when the cylinder promoted the work piece and rises to the top, the tolerance is not enough to make work piece decline segment, every work piece ascending distance is inconsistent, emery wheel polishing degree is not to the same, lead to the work piece quality of polishing difference.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a convenient operation can realize the automatic burr polisher of camshaft that a plurality of angles were polished.

In order to solve the technical problem, the utility model discloses a technical scheme is:

automatic burr polisher of camshaft, including manipulator, the subassembly of polishing, workstation and frock, revolving stage and the jacking rotating assembly of setting on the workstation, the workstation sets up in manipulator the place ahead, the subassembly dress card of polishing is on the manipulator, frock quantity is two settings at the backup pad both ends, the backup pad sets up on the revolving stage, the revolving stage sets up on the workstation, the revolving stage carries out 180 rotations through the drive assembly drive, the jacking rotating assembly is located the frock below and sets up in the workstation, jacking rotating assembly drive frock goes up and down and rotates.

Furthermore, the middle position of the supporting plate is provided with a vertically arranged baffle, the baffle separates two tools, the rear half parts of the manipulator, the polishing assembly and the workbench are arranged in the protective cover, the front end of the protective cover is provided with a front door, the baffle is positioned at the front door, the side end of the protective cover is provided with a dust removal pipe, and the dust removal pipe is connected with external dust removal equipment.

Further, the fixture is provided with a clamping cam shaft, a clamping assembly is arranged in the protective cover and fixed on the front door beam, the clamping assembly comprises an air cylinder and a connecting rod structure, the air cylinder drives the connecting rod structure to move in a telescopic mode, and the lower end of the connecting rod structure is pressed on the cam shaft.

Further, the jacking rotating assembly comprises a rotating disc, a movable plate, two first cylinders and two second cylinders, the rotating disc is arranged at the upper end of the movable plate, the first cylinders and the second cylinders are arranged at the lower end of the movable plate, the two first cylinders and the two second cylinders are respectively arranged and are oppositely arranged to form a quadrilateral structure, the upper end of each second cylinder is connected with a bearing plate, the bearing plate drives the movable plate to move up and down through the second cylinders, a supporting rod is fixedly connected to the lower end face of the movable plate, a U-shaped base is correspondingly arranged at the lower end of the supporting rod, the first cylinders are transversely arranged, the front ends of the first cylinders are connected with supporting blocks, the supporting blocks are driven by the first cylinders to move back and forth, and the supporting blocks move forward and are supported between the supporting rods and the U.

Further, still include driving motor, driving motor sets up two between the second cylinder, the driving motor drive end passes the movable plate drive carousel and rotates, terminal surface and movable plate up end sliding connection under the carousel, the carousel sets up in the frock below, there is the hole that the carousel passed on revolving stage and the workstation.

Furthermore, the U-shaped base is transversely arranged, the first cylinder is fixed at the side end of the U-shaped base, the supporting block is arranged at the upper end of the U-shaped base and is in sliding connection with the U-shaped base, the diameter of the supporting rod is equal to the width of the supporting block, and the width of the supporting block is smaller than the width of the upper end of the U-shaped base.

Furthermore, the side end of the U-shaped base is connected with a Z-shaped connecting plate, a sensor is arranged on the Z-shaped connecting plate, and the sensor is arranged corresponding to the supporting block.

Further, second cylinder upper end side surface is equipped with the draw-in groove, the bearing plate side has U type groove, U type inslot side is stair structure, accept the board and transversely adorn in second cylinder upper end through U type groove and inlay through stair structure and establish in the draw-in groove.

Furthermore, the first cylinder, the second cylinder and the driving motor are all arranged on a fixed plate, guide pillars are arranged at four corners of the fixed plate, round holes corresponding to the guide pillars are arranged at four corners of the movable plate, and the movable plate is in sliding connection with the guide pillars.

Further, first cylinder, second cylinder and driving motor all set up in the shell, the shell includes shell and lower shell, it fixes on the movable plate to go up the shell upper end, the shell lower extreme is fixed on the fixed plate down, it sets up at the shell inboard and the two sliding connection down to go up the shell.

Compared with the prior art, the utility model has the advantages and positive effect as follows.

1. The utility model discloses frock accessible revolving stage control rotates 180, realizes continuous material loading, and the protection casing inner cam axle of mechanical hand control polishing subassembly polishing, and the camshaft after outside clamping is accomplished can get into and treat the state of polishing, waits for next manufacturing procedure, has realized the effect of polishing in succession, practices thrift latency, has promoted work efficiency, and the protection casing side sets up the dust exhaust pipe, and the dust exhaust pipe is connected with external dust collecting equipment, avoids polishing bits to leak the pollution, improves the feature of environmental protection.

2. The utility model discloses second cylinder control movable plate rises, and first cylinder control supporting block removes to the bracing piece below after the movable plate rises the certain distance, and the supporting shoe passes through the bracing piece and supports the movable plate, plays limiting displacement to the movable plate, avoids first cylinder to rise the back because the tolerance is not enough to make the movable plate position inaccurate.

3. The utility model discloses U type bottom block side end is equipped with the sensor, and the sensor is located same horizontal plane with the supporting shoe for whether detect the supporting shoe and remove and target in place.

4. The utility model discloses there is fixed connection's guide pillar four corners department on the fixed plate, and there is the round hole that corresponds with the guide pillar position four corners department on the movable plate, and the movable plate passes through second cylinder control along the guide pillar lift, and the guide pillar plays the guide effect to the movable plate lift.

5. The utility model discloses first cylinder, second cylinder and driving motor all set up in the shell, and the shell includes shell and lower shell, goes up the shell upper end and fixes on the movable plate, and the shell lower extreme is fixed on the fixed plate down, goes up the shell setting and at the inboard just two sliding connection of shell down, goes up shell and lower shell and coincidence setting, plays the guard action to first cylinder, second cylinder and driving motor, goes up the shell when moving along with the movable plate, and on the top of the world, and also for the setting of partial coincidence between the lower shell, the dust that significantly reduces gets into.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

FIG. 1 is a schematic structural view of an automatic burr grinding machine for a camshaft according to the present invention;

FIG. 2 is a schematic structural view of the automatic burr grinding machine for a camshaft according to the present invention;

FIG. 3 is a side view of the automatic burr grinder for a camshaft according to the present invention;

fig. 4 is a schematic structural view of the jacking rotation device of the present invention;

FIG. 5 is an enlarged detail view of the portion A of FIG. 4 according to the present invention;

FIG. 6 is a detailed enlarged view of the portion B of FIG. 4 according to the present invention;

fig. 7 is a front view of the jacking optional device of the present invention;

fig. 8 is a schematic structural diagram of the movable plate, the upper housing, the lower housing and the fixed plate of the present invention.

Description of reference numerals:

1. a turntable; 2. moving the plate; 3. a guide post; 4. a first cylinder; 5. a support bar; 6. a support block; 7. a U-shaped base; 8. a sensor; 9. a second cylinder; 10. a fixing plate; 11. a lower housing; 12. a pressure bearing plate; 13. an upper housing; 14. a Z-shaped connecting plate; 15. a U-shaped groove; 16. a stepped structure; 17. a card slot; 18. a drive motor; 19. a circular hole; 20. a protective cover; 21. a dust exhaust pipe; 22. a front door; 23. a front door beam; 24. a work table; 25. a turntable; 26. a support plate; 27. assembling; 28. a camshaft; 29. a baffle plate; 30. a manipulator; 31. a polishing device; 32. a locking assembly; 33. a cylinder; 34. a link structure.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

As shown in fig. 1 to 8, the automatic camshaft burr grinding machine comprises a mechanical arm 30, a grinding assembly 31, a workbench 24, two tools 27 arranged on the workbench 24, a rotary table 25 and a jacking rotary assembly, wherein the workbench 24 is arranged in front of the mechanical arm 30, the grinding assembly 31 is clamped on the mechanical arm 30, the two tools 27 are arranged at two ends of a support plate 26, the support plate 26 is arranged on the rotary table 25, the rotary table 25 is arranged on the workbench 24, the rotary table 25 is driven by a driving assembly to rotate for 180 degrees, the jacking rotary assembly is arranged in the workbench 24 below the tools 27, and the jacking rotary assembly drives the tools 27 to lift and rotate.

As shown in fig. 1 to 3, preferably, a baffle 29 is vertically disposed in the middle of the supporting plate 26, the two tools 27 are spaced from each other in front and back by the baffle 29, the manipulator 30, the polishing assembly 31 and the rear half of the workbench 24 are disposed in the protective hood 20, the front end of the protective hood 20 is provided with a front door 22, the baffle 29 is located at the front door 22, the side end of the protective hood 20 is provided with a dust exhaust pipe 21, and the dust exhaust pipe 21 is connected with external dust removal equipment.

As shown in fig. 1 to 3, preferably, the tool 27 is provided with a cam shaft 28, a locking assembly 32 is arranged in the protective cover 20, the locking assembly 32 is fixed on the beam of the front door 22, the locking assembly 32 comprises a cylinder 33 and a link structure 34, the cylinder 33 drives the link structure 34 to move in a telescopic manner, and the lower end of the link structure 34 presses on the cam shaft 28.

As shown in fig. 4 to 8, preferably, the jacking rotation assembly includes a rotating disk 1, a moving plate 2, a first cylinder 4 and a second cylinder 9, the rotating disk 1 is disposed at the upper end of the moving plate 2, the first cylinder 4 and the second cylinder 9 are disposed at the lower end of the moving plate 2, the first cylinder 4 and the second cylinder 9 are respectively two and are respectively disposed in a quadrilateral structure, the upper end of the second cylinder 9 is connected with a pressure bearing plate 12, the pressure bearing plate 12 drives the moving plate 2 to move up and down through the second cylinder 9, the lower end surface of the moving plate 2 is provided with a support rod 5 fixedly connected, the lower end of the support rod 5 is provided with a U-shaped base 7 correspondingly disposed, the first cylinder 4 is disposed horizontally and the front end is connected with a support block 6, the support block 6 is driven by the first cylinder 4 to move forward and backward, the support block 6 is supported between the support rod 5 and the U-shaped base 7, the moving, the first cylinder 4 controls the supporting block 6 to move to the position below the supporting rod 5, the supporting rod 5 is pressed on the U-shaped bottom block 7 through the supporting block 6, a supporting effect is achieved on the moving plate 2, and the phenomenon that when the second cylinder 9 rises, air quantity is insufficient, so that the moving plate descends is avoided.

As shown in fig. 4, preferably, the polishing machine further comprises a driving motor 18, the driving motor 18 is disposed between the two second air cylinders 9, a driving end of the driving motor 18 penetrates through the moving plate 2 to drive the turntable 1 to rotate, a lower end face of the turntable 1 is slidably connected with an upper end face of the moving plate 2, the turntable 1 is disposed below the tool 27, holes through which the turntable 1 penetrates are formed in the turntable 25 and the workbench 24, the driving motor controls the turntable to rotate according to an angle requirement when a workpiece on the turntable is polished, and the lower end face of the turntable 1 is slidably connected with the upper end face of the moving plate 2.

Preferably, the driving motor 18 is a servo motor, and the servo motor is adopted, so that the control precision is high, the rotation speed of the turntable 1 can be accurately controlled, the program can be simplified, and the operation is more convenient.

As shown in fig. 4, preferably, the U-shaped base 7 is transversely disposed, the first cylinder 4 is fixed at a side end of the U-shaped base 7, the supporting block 6 is disposed at an upper end of the U-shaped base 7 and is slidably connected with the U-shaped base 7, a diameter of the supporting rod 5 is equal to a width of the supporting block 6, the width of the supporting block 6 is smaller than the width of the upper end of the U-shaped base 7, the supporting rod 5 starts to be pressed on the U-shaped base 7, the supporting rod 5 rises above the U-shaped base 7 along with the moving plate 2, and when a rising distance of the supporting rod 5 is greater than or equal to a height of the supporting block 6, the first cylinder 4 controls the supporting block 6 to move below the.

As shown in fig. 4 and 5, preferably, the side end of the U-shaped base 7 is connected to a Z-shaped connecting plate 14, a sensor 8 is mounted on the Z-shaped connecting plate 14, the sensor 8 is arranged corresponding to the supporting block 6, and the sensor 8 is used for detecting whether the supporting block 6 is moved in place.

As shown in fig. 4 and 6, preferably, a clamping groove 17 is formed in the side surface of the upper end of the second cylinder 9, a U-shaped groove 15 is formed in the side end of the pressure-bearing plate 12, a stepped structure 16 is formed inside the U-shaped groove 15, the receiving plate is transversely installed at the upper end of the second cylinder 9 through the U-shaped groove 15 and is embedded in the clamping groove 17 through the stepped structure 16, the pressure-bearing plate 12 is transversely installed at the upper end of the second cylinder 9 and is fixed with the upper end of the second cylinder 9, the stepped structure 16 of the pressure-bearing plate 12 is clamped in the clamping groove 17 at the upper end of the second cylinder 9 to prevent the pressure-bearing plate 12 and the.

As shown in fig. 4 and 7, preferably, the first cylinder 4, the second cylinder 9 and the driving motor 18 are all disposed on the fixed plate 10, guide posts 3 are disposed at four corners of the fixed plate 10, round holes 19 disposed at four corners of the moving plate 2 and corresponding to the guide posts 3 are disposed, the moving plate 2 is slidably connected to the guide posts 3, and the guide posts 3 guide the moving plate 2 to ascend and descend.

As shown in fig. 4, 7 and 8, preferably, the first cylinder 4, the second cylinder 9 and the driving motor 18 are all disposed in a housing, the housing includes an upper housing 13 and a lower housing 11, the upper end of the upper housing 13 is fixed on the moving plate 2, the lower end of the lower housing 11 is fixed on the fixing plate 10, the upper housing 13 is disposed inside the lower housing 11 and is slidably connected with the lower housing 11, the upper housing 13 and the lower housing 11 are disposed in a superposed manner to protect the first cylinder 4, the second cylinder 9 and the driving motor 18, and when the upper housing 13 moves along with the moving plate 2, the upper housing 13, the lower housing 13 and the lower housing 11 are also disposed in a partially superposed manner, thereby greatly reducing the entrance of dust.

The practical working process is that the polishing component 31 is clamped on the manipulator 30, the polishing component is moved to the position near the camshaft by the manipulator 30, the camshaft 28 is clamped on the tool 27, the tool 37 is arranged at the front end and the rear end of the supporting plate, the supporting plate 26 is arranged on the rotary table 25, the rotary table 25 can be controlled by the driving device to rotate 180 degrees, the rotary table 25 is arranged on the workbench 24, the supporting plate 26 is provided with a baffle 29 which is vertically arranged, the two tools 27 are separated by the baffle 29, the manipulator 30, the polishing component 31 and the rear half part of the workbench 24 are all arranged in the protective cover 20, the front end of the protective cover 20 is provided with the front door 22, the baffle 29 is arranged at the front door 22, the rotary table 25 is controlled to rotate 180 degrees, continuous feeding is realized, the manipulator 30 controls the polishing component 31 to polish the camshaft 28 in the protective cover 20, the camshaft, the continuous polishing effect is realized, holes through which the rotary table 1 passes are arranged on the workbench 24 and the rotary table 25, the rotary table 1 is arranged on the movable plate 2, the movable plate 2 is pressed on the U-shaped bottom block through the support rods 5 at two sides of the lower end, the U-shaped bottom block is arranged on the fixed plate 10, guide pillars 3 are arranged at four corners of the fixed plate 10, four corresponding round holes 19 are arranged on the movable plate 2, the movable plate 2 is controlled to ascend along the guide pillars 3 through the second air cylinder 9, the upper end of the second air cylinder 9 is connected with the bearing plate 12, the bearing plate 12 is transversely arranged at the upper end of the second air cylinder 9 and is fixed with the upper end of the second air cylinder 9, the stepped structure 16 of the bearing plate 12 is clamped in the clamping groove 17 at the upper end of the second air cylinder 9 to prevent the movable plate 2 from rotating, the second air cylinder 9 pushes the movable plate 2 to ascend through controlling the bearing plate 12, when the movable plate 2 is, the first cylinder 4 controls the supporting block 6 to move to the lower portion of the supporting rod 5, the limiting effect is achieved on the moving plate 2, the driving end of the driving motor 18 penetrates through the moving plate 2 to control the rotating disc 1 to rotate, the workpiece to be polished is arranged at the upper end of the rotating disc 1, polishing of multiple surfaces of the workpiece is achieved, the first cylinder 4, the second cylinder 9 and the driving motor 18 are arranged in the shell, the shell comprises an upper shell 13 and a lower shell 11, the upper end of the upper shell 13 is fixed on the moving plate 2, the lower end of the lower shell 11 is fixed on the fixing plate 10, the upper shell 13 is arranged on the inner side of the lower shell 11 and is in sliding connection with the lower shell, the upper shell 13 and the lower shell 11 are arranged in a superposition mode, the first cylinder 4, the second cylinder 9 and the driving motor 18 are protected, when the upper shell 13 moves along with the moving plate 2.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Automatic burr polisher of camshaft, its characterized in that: including manipulator (30), the subassembly of polishing (31), workstation (24) and frock (27), revolving stage (25) and the jacking rotating assembly of setting on workstation (24), workstation (24) set up in manipulator (30) the place ahead, the dress card of subassembly (31) of polishing is on manipulator (30), frock (27) quantity is two settings at backup pad (26) both ends, backup pad (26) set up on revolving stage (25), revolving stage (25) set up on workstation (24), revolving stage (25) carry out 180 rotations through the drive assembly drive, the jacking rotating assembly is located frock (27) below and sets up in workstation (24), jacking rotating assembly drive frock (27) go up and down and rotate.

2. The automatic camshaft burr sander of claim 1, wherein: the utility model discloses a dust removal device, including backup pad (26), backup pad (26) intermediate position has baffle (29) of perpendicular setting, baffle (29) will two frock (27) separate around, manipulator (30), the latter half setting of polishing subassembly (31) and workstation (24) are in protection casing (20), protection casing (20) front end is equipped with a qianmen (22), baffle (29) are located qianmen (22) department, protection casing (20) side is equipped with dust exhaust pipe (21), dust exhaust pipe (21) are connected with external dust collecting equipment.

3. The automatic camshaft burr sander of claim 2, wherein: the tool (27) is provided with a clamping cam shaft (28), the protective cover (20) is internally provided with a clamping assembly (32), the clamping assembly (32) is fixed on a front door (22) beam, the clamping assembly (32) comprises a cylinder (33) and a connecting rod structure (34), the cylinder (33) drives the connecting rod structure (34) to move in a telescopic mode, and the lower end of the connecting rod structure (34) is pressed on the cam shaft (28).

4. The automatic camshaft burr sander of claim 1, wherein: the jacking rotating assembly comprises a rotary table (1), a movable plate (2), a first air cylinder (4) and a second air cylinder (9), the rotary table (1) is arranged at the upper end of the movable plate (2), the first air cylinder (4) and the second air cylinder (9) are arranged at the lower end of the movable plate (2), the first air cylinder (4) and the second air cylinder (9) are respectively two in number and are respectively arranged oppositely to form a quadrilateral structure, the upper end of the second air cylinder (9) is connected with a bearing plate (12), the bearing plate (12) drives the movable plate (2) to move up and down through the second air cylinder (9), a supporting rod (5) fixedly connected is arranged on the lower end face of the movable plate (2), a U-shaped base (7) correspondingly arranged is arranged at the lower end of the supporting rod (5), the first air cylinder (4) is transversely arranged and is connected with a supporting block (6) at the front end, the supporting block (6) is driven by the first air cylinder, the supporting block (6) moves forwards and is supported between the supporting rod (5) and the U-shaped base (7).

5. The automatic camshaft burr sander of claim 4, wherein: still include driving motor (18), driving motor (18) set up two between second cylinder (9), driving motor (18) drive end passes movable plate (2) drive carousel (1) and rotates, terminal surface and movable plate (2) up end sliding connection under carousel (1), carousel (1) sets up in frock (27) below, there is the hole that carousel (1) passed on revolving stage (25) and workstation (24).

6. The automatic camshaft burr sander of claim 4, wherein: the U-shaped base (7) is transversely arranged, the first air cylinder (4) is fixed at the side end of the U-shaped base (7), the supporting block (6) is arranged at the upper end of the U-shaped base (7) and is in sliding connection with the U-shaped base (7), the diameter of the supporting rod (5) is equal to the width of the supporting block (6), and the width of the supporting block (6) is smaller than the width of the upper end of the U-shaped base (7).

7. The automatic camshaft burr sander of claim 4, wherein: the U-shaped base (7) side end is connected with a Z-shaped connecting plate (14), a sensor (8) is mounted on the Z-shaped connecting plate (14), and the sensor (8) is arranged corresponding to the supporting block (6).

8. The automatic camshaft burr sander of claim 4, wherein: second cylinder (9) upper end side surface is equipped with draw-in groove (17), there is U type groove (15) bearing plate (12) side, U type groove (15) inboard is stair structure (16), the board of accepting transversely adorns in second cylinder (9) upper end through U type groove (15) and inlays through stair structure (16) and establish in draw-in groove (17).

9. The automatic camshaft burr sander of claim 4, wherein: the first cylinder (4), the second cylinder (9) and the driving motor (18) are all arranged on the fixing plate (10), guide pillars (3) are arranged at four corners of the fixing plate (10), round holes (19) corresponding to the guide pillars (3) are arranged at four corners of the moving plate (2), and the moving plate (2) is in sliding connection with the guide pillars (3).

10. The automatic camshaft burr sander of claim 4, wherein: first cylinder (4), second cylinder (9) and driving motor (18) all set up in the shell, the shell includes shell (13) and lower shell (11), it fixes on movable plate (2) to go up shell (13) upper end, shell (11) lower extreme is fixed on fixed plate (10) down, it sets up at shell (11) inboard and the two sliding connection down to go up shell (13).