CN210081349U

CN210081349U - High-efficient burring device of bent axle

Info

Publication number: CN210081349U
Application number: CN201920465762.7U
Authority: CN
Inventors: 黎贵昌; 刘嘉俊; 梁金; 温润华
Original assignee: Zhuhai Jian Kun Precision Machinery Co Ltd
Current assignee: Zhuhai Jian Kun Precision Machinery Co Ltd
Priority date: 2019-04-04
Filing date: 2019-04-04
Publication date: 2020-02-18
Anticipated expiration: 2029-04-04

Abstract

The utility model discloses a high-efficient burring device of bent axle, including base, the cover body, first screw rod and chain, the base upper end is equipped with the cover body, bilateral symmetry is equipped with the access & exit around the cover body, is located the inboard base upper end left part of access & exit is equipped with the fixing base. The utility model has reasonable structural design, is provided with the second cylinder and the supporting mechanism, is favorable for supporting and lifting the crankshaft, and does not influence the rotation of the crankshaft deburring process; the arrangement of the vertical pushing surface brush and the micro cylinder is beneficial to abutting, clamping and rotating one end of the crankshaft and deburring the other end of the crankshaft; the oil hole deburring mechanism is arranged, so that deburring operation is favorably carried out on the oil hole of the crankshaft; set up supporting mechanism, expansion plate, first screw rod, first slide bar and remove the seat, be favorable to wholly carrying out the width modulation to the device, be applicable to the bent axle of different specifications and support and burring operation, avoid improving the burring cost.

Description

High-efficient burring device of bent axle

Technical Field

The utility model relates to a burring device specifically is a high-efficient burring device of bent axle.

Background

With the rapid development of the economy of China, the automobile industry plays a very important role in the national economy. The automobile industry is capital and technology intensive and has become the backbone industry in China. In the face of increasingly competitive markets, the competitiveness of enterprises is improved, the economy is driven to develop rapidly, and the problem of solving the problems in the production and manufacturing processes of the automobile industry is urgent to develop the automobile industry. The crankshaft is used as a main rotating mechanism of the engine, and the processing quality influences the stroke length of the up-and-down movement of the piston, so that the combustion efficiency and the power output are closely related.

The traditional deburring machine generally adopts a manual operation mode, the labor cost is directly increased due to the pure manual work, and an ideal effect is difficult to achieve; although the prior art can carry out mechanical deburring to the bent axle, because the specification size diverse of bent axle, need place the mechanical deburring operation of carrying out of different specifications on the bent axle of different specifications, raise the cost, the practicality is poor.

Accordingly, those skilled in the art have provided a crankshaft efficient deburring apparatus to solve the above-mentioned problems of the background art.

Disclosure of Invention

An object of the utility model is to provide a high-efficient burring device of bent axle to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a high-efficiency deburring device for a crankshaft comprises a base, a cover body, a first screw and a chain, wherein the cover body is arranged at the upper end of the base, an inlet and an outlet are symmetrically arranged at the front side and the rear side of the cover body, a fixed seat is arranged at the left part of the upper end of the base at the inner side of the inlet and the outlet, a movable seat is arranged at the right part of the upper end of the base at the inner side of the inlet and the outlet, sliders are symmetrically arranged at the front side and the rear side of the lower end of the movable seat, slide rails are symmetrically arranged at the front side and the rear side of the upper end of the base, the slide rails are connected with the sliders in a sliding manner, a third motor cover is arranged at the front part of the right side wall of the movable seat, a third motor is arranged in the third motor cover, the side wall of the driven shaft is sleeved with a driven gear, the driving gear and the driven gear are connected with each other through a chain, a plurality of expansion plates are arranged on the surface of the chain at equal intervals, second air cylinders are symmetrically arranged on the left side and the right side of the upper end of each expansion plate, abutting plates are arranged at the end parts of the second air cylinders, and supporting mechanisms are arranged at the upper ends of the abutting plates; a first motor cover is arranged in the middle of the right side wall of the cover body, a first motor is arranged in the first motor cover, a motor shaft of the first motor penetrates through the right side wall of the cover body and is connected with a first screw rod through a coupler, the other end of the first screw rod is connected with the middle of the right side wall of the fixed seat through a bearing, sliding sleeves are symmetrically arranged in the front and back of the movable seat, first sliding rods are symmetrically arranged in the front and back direction between the right side wall of the fixed seat and the right side inner wall of the cover body, and the sliding sleeves are connected with the;

the middle part of the upper end of the inner side of the cover body is equidistantly provided with four oil hole deburring mechanisms, the left side and the right side of the inner wall of the cover body are symmetrically provided with three tripods, the four tripods are equidistantly arranged from front to back, the upper ends of the left and the right tripods are symmetrically provided with second motors, the end parts of motor shafts of the second motors are respectively provided with a rotary table, the side walls of the rotary tables are provided with a fixed sleeve, the middle part of the fixed sleeve is sleeved with a first air cylinder, the end part of the first air cylinder is provided with a fixed disk, the left side and the right side of the upper end of the inner part of the cover body are symmetrically provided with support rods, the end parts of the support rods are provided with connecting sleeves, the inner sides of the connecting sleeves are connected with the side walls of the first air cylinder, the fixed disk side wall is provided with two front right side portions and two rear right side portions, the fixed disk side wall is provided with four supporting sleeves at equal intervals as the axis through a fixed disk central point, the middle of each supporting sleeve is provided with a micro air cylinder in a sleeved mode, the end portion of each micro air cylinder is provided with a pressing plate, and the fixed disk side wall is provided with two rear left portions and two push-up face brushes.

As a further aspect of the present invention: the supporting mechanism includes carriage, sliding block, link, threaded rod and slip rail, the carriage sets up in the butt board upper end, the inboard lower extreme of carriage is equipped with the slip rail, lateral wall middle part is equipped with the micro motor cover before the carriage, the inside micro motor that is equipped with of micro motor cover, micro motor's motor shaft passes the carriage and passes through the one end of coupling joint threaded rod, the other end of threaded rod passes through bearing connection carriage inner wall, lateral wall symmetrical cover is equipped with the link around the threaded rod, the link lower extreme all is equipped with the sliding block, sliding connection between sliding block and the slip rail, the link inside wall all is equipped with a plurality of balls.

As a further aspect of the present invention: the threads on the front side and the rear side of the threaded rod are opposite.

As a further aspect of the present invention: the oil hole deburring mechanism comprises a support frame, a second screw rod and a hairbrush, the support frame is symmetrically arranged on the left side and the right side of the upper end inside the cover body, the second screw rod and a second slide rod are sequentially arranged between the support frame from top to bottom and located on the left side, a fourth motor cover is arranged on the left side wall of the support frame, a fourth motor is arranged inside the fourth motor cover, a motor shaft of the fourth motor passes through one end of the second screw rod in a coupling connection mode, a moving sleeve is sleeved on the side wall of the second screw rod and the side wall of the second slide rod, a third cylinder is arranged at the lower end of the moving sleeve, a fixed frame is arranged at the end part of the third cylinder, a fifth motor is arranged at the lower end inside of the fixed.

As a further aspect of the present invention: the expansion plate comprises a fixed sleeve and an expansion link, the fixed sleeve is symmetrically arranged on left and right side walls of the chain, one end of the expansion link is sleeved at the middle part of the inner end of the fixed sleeve, and the total length of the expansion link is the same as the sum of the internal lengths of the left and right fixed sleeves.

As a further aspect of the present invention: and the distance between the front and back adjacent expansion plates is the same as the distance between the front and back adjacent second motors.

As a further aspect of the present invention: and a proximity sensor is arranged on the right side of the inner wall of the cover body, the position of the proximity sensor corresponds to that of the second motor on the right side up and down, and the model of the proximity sensor is IM12-D1LA 04.

As a further aspect of the present invention: the type of the first motor, the type of the second motor, the type of the third motor, the type of the fourth motor and the type of the fifth motor are YD160L-4/2, the type of the micro cylinder, the type of the first cylinder, the type of the second cylinder and the type of the third cylinder are SC50, and the type of the micro motor is M590-502.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model has reasonable structural design, is provided with the second cylinder and the supporting mechanism, is favorable for supporting and lifting the crankshaft, and does not influence the rotation of the crankshaft deburring process; the arrangement of the vertical pushing surface brush and the micro cylinder is beneficial to abutting, clamping and rotating one end of the crankshaft and deburring the other end of the crankshaft; the oil hole deburring mechanism is arranged, so that deburring operation is favorably carried out on the oil hole of the crankshaft; set up supporting mechanism, expansion plate, first screw rod, first slide bar and remove the seat, be favorable to wholly carrying out the width modulation to the device, be applicable to the bent axle of different specifications and support and burring operation, avoid improving the burring cost.

Drawings

Fig. 1 is a schematic structural diagram of a crankshaft efficient deburring device.

Fig. 2 is a schematic diagram of a top-down structure of the efficient deburring device for the crankshaft.

Fig. 3 is a schematic structural diagram of a in the efficient crankshaft deburring device.

Fig. 4 is a schematic structural diagram of a crankshaft efficient deburring device B.

Fig. 5 is a schematic structural diagram of a supporting mechanism in the efficient deburring device for the crankshaft.

In the figure: the device comprises a base 1, a cover body 2, a first screw rod 3, a first motor 4, a first motor cover 5, a fixed sleeve 6, a tripod 7, a second motor 8, a rotary table 9, a first air cylinder 10, a connecting sleeve 11, a supporting rod 12, a fixed disc 13, a vertical surface pushing hairbrush 14, a supporting mechanism 15, a supporting frame 1501, a sliding block 1502, a micro motor 1503, a micro motor cover 1504, a connecting frame 1505, balls 1506, a threaded rod 1507, a sliding rail 1508, an oil hole deburring mechanism 16, a supporting frame 1601, a fourth motor 1602, a fourth motor cover 1603, a fixed frame 1604, a fifth motor 1605, a hairbrush 1606, a second screw rod 1607, a second sliding rod 1608, a third air cylinder 1609, a moving sleeve 1610, a chain 17, a driven shaft 18, a driven gear 19, a telescopic plate 20, a fixed sleeve 2001, a telescopic rod 2002, a fixed seat 21, a first sliding rod 22, a sliding rail 23, a sliding block 24, a moving seat 25, a second air cylinder 26, The device comprises a micro cylinder 29, a pressing plate 30, a sliding sleeve 31, an inlet and outlet 32, a third motor 33, a driving gear 34, a linkage shaft 35 and a third motor cover 36.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 5, in an embodiment of the present invention, a high-efficiency deburring device for a crankshaft comprises a base 1, a cover 2, a first screw 3 and a chain 17, wherein the cover 2 is disposed at the upper end of the base 1, an inlet 32 is symmetrically disposed at the front and rear sides of the cover 2, a fixing seat 21 is disposed at the left portion of the upper end of the base 1 at the inner side of the inlet 32, a movable seat 25 is disposed at the right portion of the upper end of the base 1 at the inner side of the inlet 32, sliders 24 are symmetrically disposed at the front and rear sides of the lower end of the movable seat 25, slide rails 23 are symmetrically disposed at the front and rear sides of the upper end of the base 1, the slide rails 23 are slidably connected with the sliders 24, a third motor cover 36 is disposed at the front portion of the right side wall of the movable seat 25, a third motor 33 is disposed inside the third motor cover 36, a motor shaft of the third motor, a driving gear 34 is sleeved on the side wall of the linkage shaft 35, driven shafts 18 are symmetrically arranged at the rear parts of the inner side walls of the fixed seat 21 and the moving seat 25, driven gears 19 are sleeved on the side walls of the driven shafts 18, the driving gear 34 and the driven gears 19 are connected with each other through a chain 17, a plurality of expansion plates 20 are arranged on the surface of the chain 17 at equal intervals, second air cylinders 26 are symmetrically arranged on the left side and the right side of the upper ends of the expansion plates 20, abutting plates 27 are arranged at the end parts of the second air cylinders 26, and supporting mechanisms 15 are arranged at the upper ends of the abutting plates; a first motor cover 5 is arranged in the middle of the right side wall of the cover body 2, a first motor 4 is arranged in the first motor cover 5, a motor shaft of the first motor 4 penetrates through the right side wall of the cover body 2 and is connected with a first screw rod 3 through a coupler, the other end of the first screw rod 3 is connected with the middle of the right side wall of the fixed seat 21 through a bearing, sliding sleeves 31 are symmetrically arranged in the front and back of the movable seat 25, first sliding rods 22 are symmetrically arranged in the front and back direction between the right side wall of the fixed seat 21 and the right side inner wall of the cover body 2, and the sliding sleeves 31 are connected with the first sliding;

four oil hole deburring mechanisms 16 are equidistantly arranged in the middle of the upper end of the inner side of the cover body 2, triangular supports 7 are symmetrically arranged on the left side and the right side of the inner wall of the cover body 2, four triangular supports 7 are equidistantly arranged from front to back, second motors 8 are symmetrically arranged at the upper ends of the left and the right triangular supports 7, rotating discs 9 are arranged at the end parts of motor shafts of the second motors 8, fixing sleeves 6 are arranged on the side walls of the rotating discs 9, first air cylinders 10 are sleeved in the middle parts of the fixing sleeves 6, fixing discs 13 are arranged at the end parts of the first air cylinders 10, supporting rods 12 are symmetrically arranged on the left side and the right side of the upper end in the cover body 2, connecting sleeves 11 are arranged at the end parts of the supporting rods 12, the inner sides of the connecting sleeves 11 are connected with the side walls of, support cover 28 middle part and all overlap and be equipped with miniature cylinder 29, miniature cylinder 29's tip all is equipped with and supports clamp plate 30, is located the front two on right side fixed disk 13 lateral wall all is equipped with and pushes away facade brush 14, is located right side wall rear portion two fixed disk 13 lateral wall is equipped with four support covers 28 for the axle center equidistant through fixed disk 13 central point, support cover 28 middle part and all overlap and be equipped with miniature cylinder 29, miniature cylinder 29's tip all is equipped with and supports clamp plate 30, is located left side rear portion two fixed disk 13 lateral wall all is equipped with and pushes away facade brush 14.

The supporting mechanism 15 comprises a supporting frame 1501, a sliding block 1502, a connecting frame 1505, a threaded rod 1507 and a sliding rail 1508, wherein the supporting frame 1501 is arranged at the upper end of the abutting plate 27, the sliding rail 1508 is arranged at the lower end of the inner side of the supporting frame 1501, a micro motor cover 1504 is arranged in the middle of the front side wall of the supporting frame 1501, a micro motor 1503 is arranged inside the micro motor cover 1504, a motor shaft of the micro motor 1503 penetrates through the supporting frame 1501 and is connected with one end of the threaded rod 1507 through a coupler, the other end of the threaded rod 1507 is connected with the inner wall of the supporting frame 1501 through a bearing, the connecting frame 1505 is symmetrically sleeved on the front side wall and the rear side wall of the threaded rod 1507, the sliding block 1505 is arranged at the lower end of the connecting frame, the sliding block 1505 is in.

The threads on the front and rear sides of the threaded rod 1507 are opposite.

Oil hole burring mechanism 16 includes support frame 1601, second screw rod 1607 and brush 1606, support frame 1601 symmetry sets up at the inside upper end left and right sides of cover body 2, from last second screw rod 1607 and the second slide bar 1608 of being equipped with down in proper order between support frame 1601, be located the left side support frame 1601 left side wall is equipped with fourth motor cover 1603, the inside fourth motor 1602 that is equipped with of fourth motor cover 1603, the motor shaft of fourth motor 1602 passes through the one end of coupling joint second screw rod 1607, second screw rod 1607 and second slide bar 1608 lateral wall cover are equipped with and remove cover 1610, it is equipped with third cylinder 1609 to remove cover 1610 lower extreme, third cylinder 1609 tip is equipped with fixed frame 1604, the inside lower extreme of fixed frame 1604 is equipped with fifth motor 1605, the motor shaft of fifth motor 1605 passes fixed frame 1604 and passes the one end of coupling joint brush 1606.

The expansion plate 20 comprises fixing sleeves 2001 and expansion rods 2002, the fixing sleeves 2001 are symmetrically arranged on the side walls of the left and right chains 17, one ends of the expansion rods 2002 are sleeved in the middle of the inner ends of the left and right fixing sleeves 2001, and the total length of the expansion rods 2002 is the same as the sum of the internal lengths of the left and right fixing sleeves 2001.

The distance between the front and rear adjacent telescopic plates 20 is the same as the distance between the front and rear adjacent second motors 8.

And a proximity sensor is arranged on the right side of the inner wall of the cover body 2, the position of the proximity sensor corresponds to that of the second motor 8 on the right side up and down, and the model of the proximity sensor is IM12-D1LA 04.

The models of the first motor 4, the second motor 8, the third motor 33, the fourth motor 1602 and the fifth motor 1605 are YD160L-4/2, the models of the micro cylinder 29, the first cylinder 10, the second cylinder 26 and the third cylinder 1609 are SC50, and the model of the micro motor 1503 is M590-502.

The utility model discloses a theory of operation is:

the utility model relates to a high-efficient burring device of bent axle, the manual work is with the same series of bent axles of the same specification place in the middle part of link 1505 of supporting mechanism 15, later start micro motor 1503, link 1505 that is located in the front and back moves towards each other along with the rotation of threaded rod 1507 and is close to butt bent axle; the third motor 33 is started by an external controller, the third motor 33 drives the driving gear 34 to rotate, the driving gear 34 is connected with the driven gear 19 through the chain 17, the chains 17 positioned at the left side and the right side are connected with each other through the expansion plate 20, so as to drive the crankshaft to move along the moving direction of the chains 17, when the crankshaft moves to a proper position, the approach of the crankshaft is sensed through the proximity sensor at the corresponding position on the inner wall of the cover body 2, when the crankshaft approaches the proximity sensor, the proximity sensor sends a signal to the controller, the controller sends a rotation stopping signal to the third motor 33, and simultaneously sends a starting signal to the second motor 8, the second cylinder 26, the first cylinder 10 and the micro cylinder 29 at the left side and the right side at the corresponding position, so as to clamp and abut against one end of the crankshaft, drive the crankshaft to rotate, and the rotating directions of the second motors 8 at the, the other end of the crankshaft is deburred through the vertical surface pushing brush 14, the crankshaft is favorably lifted and adjusted due to the action of the second air cylinder 26, burrs at different height positions at the other end of the crankshaft are conveniently removed, and the crankshaft is not influenced to rotate due to the fact that the balls 1506 are arranged on the inner side walls of the connecting frames 1505; the distance between the front and rear adjacent expansion plates 20 is the same as the distance between the front and rear adjacent second motors 8, and the controller can simultaneously control the two front and rear second motors 8, so that the deburring speed is increased; when the crankshaft moves to the position of the second motor 8 in the third row from the front to the back, the second motor 8, the second cylinder 26, the first cylinder 10 and the micro cylinder 29 on the left side and the right side of the corresponding position are started, and the same operation is carried out on the other end of the crankshaft; the oil hole deburring mechanism 16 positioned in the middle of the upper end of the cover body 2 is convenient for deburring the oil hole of the crankshaft simultaneously in the deburring process of the end part of the crankshaft, so that the deburring efficiency is improved; when the same batch of crankshafts of different specifications need to be processed, the external controller starts the first motor 4, the first motor 4 drives the first screw rod 3 to rotate, so that the moving seat 25 moves along the sliding rail 23, the first sliding rod 22 increases the moving stability of the moving seat 25, the adjustment is performed according to the width of the crankshaft, if the shaft diameters of the crankshafts are different, the connecting frame 1505 can move relatively through the micro motor 1503 of the starting supporting mechanism 15, so that the crankshafts are supported, and the operation is convenient and fast.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a high-efficient burring device of bent axle, includes base (1), the cover body (2), first screw rod (3) and chain (17), its characterized in that: the improved multifunctional toilet seat is characterized in that a cover body (2) is arranged at the upper end of the base (1), entrance and exit (32) are symmetrically arranged around the cover body (2), a fixing seat (21) is arranged at the left end of the inner side of the entrance and exit (32) on the base (1), a moving seat (25) is arranged at the right end of the inner side of the entrance and exit (32), sliding blocks (24) are symmetrically arranged around the lower end of the moving seat (25), sliding rails (23) are symmetrically arranged around the right side of the upper end of the base (1), the sliding rails (23) are slidably connected with the sliding blocks (24), a third motor cover (36) is arranged at the front part of the right side wall of the moving seat (25), a third motor (33) is arranged inside the third motor cover (36), a motor shaft of the third motor (33) penetrates through the moving seat (25) and is sleeved with a driving gear (34), and a linkage shaft (35, the linkage mechanism is characterized in that a driving gear (34) is sleeved on the side wall of the linkage shaft (35), driven shafts (18) are symmetrically arranged at the rear parts of the inner side walls of the fixed seat (21) and the movable seat (25), driven gears (19) are sleeved on the side walls of the driven shafts (18), the driving gear (34) and the driven gears (19) are connected with each other through chains (17), a plurality of expansion plates (20) are arranged on the surfaces of the chains (17) at equal intervals, second cylinders (26) are symmetrically arranged on the left side and the right side of the upper end of each expansion plate (20), abutting plates (27) are arranged at the end parts of the second cylinders (26), and supporting mechanisms (15) are arranged at the upper ends; a first motor cover (5) is arranged in the middle of the right side wall of the cover body (2), a first motor (4) is arranged in the first motor cover (5), a motor shaft of the first motor (4) penetrates through the right side wall of the cover body (2) and is connected with a first screw (3) through a coupler, the other end of the first screw (3) is connected with the middle of the right side wall of the fixing seat (21) through a bearing, sliding sleeves (31) are symmetrically arranged in the front and back of the moving seat (25), first sliding rods (22) are symmetrically arranged between the right side wall of the fixing seat (21) and the right side inner wall of the cover body (2) in the front and back direction, and the sliding sleeves (31) are connected with the first sliding rods (;

the inner side upper end middle part of the cover body (2) is equidistantly provided with four oil hole deburring mechanisms (16), the left side and the right side of the inner wall of the cover body (2) are symmetrically provided with four tripods (7), the four tripods (7) are equidistantly arranged from the front to the back, the upper ends of the left and the right tripods (7) are symmetrically provided with second motors (8), the end parts of motor shafts of the second motors (8) are respectively provided with a turntable (9), the side wall of the turntable (9) is provided with a fixed sleeve (6), the middle part of the fixed sleeve (6) is sleeved with a first air cylinder (10), the end part of the first air cylinder (10) is provided with a fixed disc (13), the left side and the right side of the inner upper end of the cover body (2) are symmetrically provided with support rods (12), the end part of each support rod (12, be located the front two in left side fixed disk (13) lateral wall all is equipped with four support cover (28) for the axle center equidistant through fixed disk (13) central point, support cover (28) middle part all to overlap and be equipped with miniature cylinder (29), the tip of miniature cylinder (29) all is equipped with supports clamp plate (30), is located the front two in right side fixed disk (13) lateral wall all is equipped with and pushes away facade brush (14), is located right side wall rear portion two fixed disk (13) lateral wall is equipped with four support cover (28) for the axle center equidistant through fixed disk (13) central point, it all overlaps and is equipped with miniature cylinder (29) to support cover (28) middle part, the tip of miniature cylinder (29) all is equipped with and pushes away clamp plate (30), is located left side rear portion two fixed disk (13) lateral wall all is equipped with and pushes away facade.

2. The efficient deburring device for crankshafts according to claim 1, characterized in that: the supporting mechanism (15) comprises a supporting frame (1501), a sliding block (1502), a connecting frame (1505), a threaded rod (1507) and a sliding rail (1508), the supporting frame (1501) is arranged at the upper end of the abutting plate (27), the sliding rail (1508) is arranged at the lower end of the inner side of the supporting frame (1501), a micro motor cover (1504) is arranged in the middle of the front side wall of the supporting frame (1501), a micro motor (1503) is arranged inside the micro motor cover (1504), a motor shaft of the micro motor (1503) penetrates through the supporting frame (1501) and is connected with one end of the threaded rod (1507) through a coupler, the other end of the threaded rod (1507) is connected with the inner wall of the supporting frame (1501) through a bearing, the connecting frame (1505) is symmetrically sleeved on the front side wall and the rear side wall of the threaded rod (1507), the sliding block (1502) is arranged at the lower end of the connecting frame (, the inner side walls of the connecting frames (1505) are provided with a plurality of balls (1506).

3. The efficient deburring device for crankshafts according to claim 2, characterized in that: the threads on the front side and the rear side of the threaded rod (1507) are opposite.

4. The efficient deburring device for crankshafts according to claim 1, characterized in that: the oil hole deburring mechanism (16) comprises a support frame (1601), a second screw rod (1607) and a hairbrush (1606), the support frame (1601) is symmetrically arranged on the left side and the right side of the inner upper end of a cover body (2), a second screw rod (1607) and a second sliding rod (1608) are sequentially arranged between the support frame (1601) from top to bottom, a fourth motor cover (1603) is arranged on the left side of the support frame (1601), a fourth motor (1602) is arranged inside the fourth motor cover (1603), a motor shaft of the fourth motor (1602) is connected with one end of the second screw rod (1607) through a coupler, a movable sleeve (1610) is sleeved on the side walls of the second screw rod (1607) and the second sliding rod (1608), a third cylinder (1609) is arranged at the lower end of the movable sleeve (1610), a fixed frame (1604) is arranged at the end of the third cylinder (1609), a fifth motor (1605) is arranged at the inner lower end of, and a motor shaft of the fifth motor (1605) penetrates through the fixed frame (1604) and is connected with one end of the brush (1606) through a coupling.

5. The efficient deburring device for crankshafts according to claim 1, characterized in that: the telescopic plate (20) comprises fixing sleeves (2001) and telescopic rods (2002), the fixing sleeves (2001) are symmetrically arranged on the side walls of the left chain (17) and the right chain (17), one ends of the telescopic rods (2002) are sleeved in the middle of the inner ends of the left fixing sleeve and the right fixing sleeve (2001), and the total length of the telescopic rods (2002) is equal to the sum of the lengths of the inner parts of the left fixing sleeve and the right fixing sleeve (2001).

6. The efficient deburring device for crankshafts according to claim 1, characterized in that: the distance between the front and rear adjacent expansion plates (20) is the same as the distance between the front and rear adjacent second motors (8).

7. The efficient deburring device for crankshafts according to claim 1, characterized in that: the right side of the inner wall of the cover body (2) is provided with a proximity sensor, the position of the proximity sensor corresponds to the position of the second motor (8) on the right side up and down, and the model of the proximity sensor is IM12-D1LA 04.

8. The efficient deburring device for crankshafts according to claim 1, characterized in that: the type of the first motor (4), the second motor (8), the third motor (33), the fourth motor (1602) and the fifth motor (1605) is YD160L-4/2, the type of the micro cylinder (29), the type of the first cylinder (10), the type of the second cylinder (26) and the type of the third cylinder (1609) are SC50, and the type of the micro motor (1503) is M590-502.