CN113319609A

CN113319609A - Mechanical part clamping device for mechanical engineering

Info

Publication number: CN113319609A
Application number: CN202110547166.5A
Authority: CN
Inventors: 潘崇冬
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-05-19
Filing date: 2021-05-19
Publication date: 2021-08-31

Abstract

The invention discloses a mechanical part clamping device for mechanical engineering, and belongs to the technical field of clamping. The mechanical part clamping device for mechanical engineering comprises a base, wherein the outer wall of the base is fixedly connected with a box body, a driving mechanism and a gas collecting mechanism are arranged in the box body, the inner wall of the box body is fixedly connected with a partition plate and a stabilizer bar, a first avoidance groove is formed in the box body, a first screw rod and a second screw rod are rotatably connected to the box body, a first belt wheel and a second bevel gear are fixedly connected to the first screw rod, a second belt wheel and a third bevel gear are fixedly connected to the second screw rod, fixed blocks are in threaded connection with the first screw rod and the second screw rod, the fixed blocks are connected to the stabilizer bar in a sliding mode, the thread directions of the first screw rod and the second screw rod are opposite, and a clamping mechanism is arranged at the top of each fixed block; the automatic clamping device is simple to operate, can automatically clamp the accessories, can clean the accessories in the clamping and loosening processes, greatly saves labor and time, and improves production efficiency.

Description

Mechanical part clamping device for mechanical engineering

Technical Field

The invention relates to the technical field of clamping, in particular to a mechanical part clamping device for mechanical engineering.

Background

The machine is a general name of a machine and a mechanism, and is a tool device capable of helping people reduce work difficulty or save labor, while a complex machine is formed by two or more simple machines, and any modern industry and engineering field needs to apply the machine, namely the daily life of people, and more various machines are applied, such as automobiles, bicycles, clocks, cameras, washing machines, refrigerators, air conditioners, dust collectors and the like

In the life, the countless different types of machinery around us is working for us, machining means the process that changes the overall dimension or the performance of work piece through a mechanical equipment, in mechanical equipment production assembling process, some large-scale equipment often need many small-size accessories to cooperate and connect, make to obtain certain mutual positional relationship between each part, form a whole, and various machine parts size is less and the shape diverse, consequently in producing machine process to machine parts, need use clamping tool to carry out the centre gripping fixed to machine parts, present clamping device single structure, and need artifical manual clamping, greatly wasted the time and reduced the efficiency of processing, the event provides a machine parts clamping device for mechanical engineering.

Disclosure of Invention

The invention aims to solve the problem of single clamping structure in the prior art, and provides a mechanical part clamping device for mechanical engineering.

In order to achieve the purpose, the invention adopts the following technical scheme:

the mechanical accessory clamping device for mechanical engineering comprises a base, a box body fixedly connected with the outer wall of the base, the box body is internally provided with a driving mechanism and a gas collecting mechanism, the inner wall of the box body is fixedly connected with a clapboard and a stabilizer bar, the box body is provided with a first avoidance groove, the box body is rotationally connected with a first screw rod and a second screw rod, the first screw rod is fixedly connected with a first belt wheel and a second bevel gear, the second screw rod is fixedly connected with a second belt wheel and a third bevel gear, the first screw rod and the second screw rod are in threaded connection with fixing blocks, the fixing blocks are connected to the stabilizer bar in a sliding manner, the screw thread directions of the first screw rod and the second screw rod are opposite, the top of the fixed block is provided with a clamping mechanism, the base outer wall fixedly connected with backup pad, the one end fixedly connected with roof of base is kept away from to the backup pad, be equipped with clearance mechanism in the backup pad.

Preferably, the gas collection mechanism includes the piston cylinder, piston cylinder fixed connection is at the inner wall of box body, be equipped with intake pipe and outlet duct on the piston cylinder, all be equipped with the check valve on intake pipe and the outlet duct, piston cylinder inner wall sliding connection has first piston plate, first piston plate outer wall fixedly connected with piston rod, piston rod top fixedly connected with anticreep board, anticreep board outer wall fixedly connected with gyro wheel, cup jointed first reset spring on the piston rod, first reset spring both ends offset with the outer wall of piston cylinder and anticreep board respectively.

Preferably, the outer wall of the base is fixedly connected with an air filter, the inner wall of the box body is fixedly connected with an air bag, one end, far away from the piston cylinder, of the air inlet pipe is communicated with the air filter, and one end, far away from the piston cylinder, of the air outlet pipe is communicated with the air bag.

Preferably, the top plate is provided with a gas collection chamber, the gas bag is provided with a first connecting pipe, one end of the first connecting pipe, which is far away from the gas bag, is communicated with the gas collection chamber, the first connecting pipe is provided with a switch valve, the outer wall of the top plate is fixedly connected with a second spray nozzle, and the second spray nozzle is communicated with the gas collection chamber.

Preferably, the driving mechanism comprises a motor, the motor is fixedly connected to the inner wall of the box body, a first rotating shaft is fixedly connected to the output end of the motor, a cam and a first bevel gear are fixedly connected to the first rotating shaft, the cam is attached to the outer wall of the roller, and the first bevel gear is meshed with the second bevel gear and the third bevel gear respectively.

Preferably, clamping mechanism includes the box, box fixed connection is at the top of fixed block, box inner wall fixedly connected with fixed plate, be equipped with the through-hole on the fixed plate, box inner wall sliding connection has the second piston board, second piston board outer wall fixedly connected with splint, splint outer wall fixedly connected with protection pad, be equipped with the second reset spring between fixed plate and the second piston board, be equipped with the second connecting pipe on the box, the first shower nozzle of one end fixedly connected with of box is kept away from to the second connecting pipe, first shower nozzle fixed connection is at the outer wall of box.

Preferably, clearance mechanism includes second pivot and third pivot, second pivot and third pivot are all rotated and are connected the outer wall in the backup pad, fixedly connected with third band pulley and first flabellum in the second pivot.

Preferably, fixedly connected with fourth band pulley and second flabellum in the third pivot, backup pad outer wall fixedly connected with dryer, be equipped with the second on the dryer and dodge the groove, the dryer is all arranged in to second pivot and third pivot, first band pulley, second band pulley, third band pulley and fourth band pulley all link to each other through the belt.

Compared with the prior art, the invention provides a mechanical part clamping device for mechanical engineering, which has the following beneficial effects:

1. when a user uses the mechanical part clamping device for mechanical engineering, firstly, the part to be clamped is placed on a box body, then a motor is started, the motor is a forward and reverse rotating motor, the motor drives a first rotating shaft to rotate, a first bevel gear on the first rotating shaft drives a second bevel gear and a third bevel gear to rotate due to the mutual meshing connection relationship between the first bevel gear and the second bevel gear, a first screw rod on the second bevel gear rotates simultaneously, a second screw rod on the third bevel gear rotates simultaneously, fixed blocks on the first screw rod and the second screw rod move towards the middle simultaneously, a clamping mechanism on the fixed blocks clamps the part, the specific clamping process is that the fixed blocks move towards the middle, a clamping plate on the box body is abutted against the outer wall of the part to be clamped in advance, the position adjustment of the part by the user is facilitated, and a protection pad on the clamping plate protects the outer wall of the part, the box continues to move after the splint is attached to the outer wall of the accessory, the splint push the second piston plate to move in the box, the second piston plate extrudes gas in the box when moving in the box, the gas is conveyed to the first spray head through the second connecting pipe, the air is sprayed out of the accessory through the first spray head, the surface is cleaned, when the splint loosens the accessory, the second restoring spring restores the splint, the second piston plate sucks external air into the box through the spray head, and the accessory is cleaned when being clamped next time.

2. This a mechanical parts clamping device for mechanical engineering, it rotates to drive the cam through first pivot, the cam drives the first piston board on the piston rod and moves in the piston cylinder when the cam rotates, first reset spring resets first piston board simultaneously, make first piston board carry out reciprocating motion in the piston cylinder, air in the air cleaner is by the intake pipe suction piston cylinder with first piston board reciprocating motion in the piston cylinder in, then carry in the gasbag by the outlet duct again, the air is stored in the gasbag, open the ooff valve on the first connecting pipe when the accessory course of working, the air is carried in the gas collecting chamber by first connecting pipe in the gasbag, again, the accessory in the second shower nozzle blowout is cleared up the processing.

3. This a mechanical parts clamping device for mechanical engineering, drive first band pulley through first lead screw, the second lead screw drives the second band pulley and rotates, first band pulley and second band pulley drive third band pulley and fourth band pulley through the belt in the pivoted time and rotate, second pivot and third pivot on third band pulley and the fourth band pulley rotate simultaneously, the epaxial first flabellum of second pivot and the epaxial second flabellum of third pivot rotate simultaneously, produce the air current when first flabellum and second flabellum rotate, the air current is concentrated through the dryer and is blown off, press from both sides tightly and loosen the in-process and clear up the accessory.

The parts which are not involved in the device are the same as or can be realized by adopting the prior art, the device is simple to operate, the accessories can be automatically clamped, and the accessories can be cleaned in the clamping and loosening processes, so that the manpower and time are greatly saved, and the production efficiency is improved.

Drawings

Fig. 1 is a schematic structural view of a mechanical part clamping device for mechanical engineering according to the present invention;

fig. 2 is a schematic structural view of a portion a of fig. 1 of the mechanical part clamping device for mechanical engineering according to the present invention;

fig. 3 is a schematic structural view of a part B of fig. 1 of the mechanical accessory holding device for mechanical engineering according to the present invention;

fig. 4 is a schematic structural view of a part C of fig. 1 of the mechanical accessory holding device for mechanical engineering according to the present invention;

fig. 5 is a schematic structural diagram of a piston cylinder of the mechanical part clamping device for mechanical engineering provided by the invention.

In the figure: 1. a base; 2. a box body; 201. a partition plate; 202. a first avoidance slot; 3. an air filter; 4. a motor; 5. a first rotating shaft; 501. a cam; 502. a first bevel gear; 6. an air bag; 601. a first connecting pipe; 602. an on-off valve; 7. a piston cylinder; 701. an air inlet pipe; 702. an air outlet pipe; 703. a one-way valve; 8. a first piston plate; 9. a piston rod; 901. an anti-drop plate; 902. a roller; 10. a first return spring; 11. a first lead screw; 1101. a first pulley; 1102. a second bevel gear; 12. a second lead screw; 1201. a second pulley; 1202. a third bevel gear; 13. a fixed block; 14. a stabilizer bar; 15. a box body; 16. a fixing plate; 1601. a through hole; 17. a second piston plate; 18. a splint; 1801. a protection pad; 19. a second return spring; 20. a second connecting pipe; 2001. a first nozzle; 21. a support plate; 22. a top plate; 2201. a gas collection chamber; 23. a second nozzle; 24. an air duct; 2401. a second avoidance slot; 25. a second rotating shaft; 2501. a third belt pulley; 2502. a first fan blade; 26. a third rotating shaft; 2601. a fourth pulley; 2602. a second fan blade.

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, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the 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 thus, should not be construed as limiting the present invention.

Example 1:

referring to fig. 1 and 3, a mechanical part clamping device for mechanical engineering comprises a base 1, a box body 2 fixedly connected to the outer wall of the base 1, a driving mechanism and a gas collecting mechanism arranged in the box body 2, a partition 201 and a stabilizer bar 14 fixedly connected to the inner wall of the box body 2, a first avoiding groove 202 arranged on the box body 2, a first lead screw 11 and a second lead screw 12 rotatably connected to the box body 2, a first pulley 1101 and a second bevel gear 1102 fixedly connected to the first lead screw 11, a second pulley 1201 and a third bevel gear 1202 fixedly connected to the second lead screw 12, a fixing block 13 threadedly connected to the first lead screw 11 and the second lead screw 12, the fixing block 13 slidably connected to the stabilizer bar 14, the first lead screw 11 and the second lead screw 12 having opposite thread directions, a clamping mechanism arranged on the top of the fixing block 13, a support plate 21 fixedly connected to the outer wall of the base 1, and a top plate 22 fixedly connected to one end of the support plate 21 far away from the base 1, the supporting plate 21 is provided with a cleaning mechanism.

Gas collection mechanism includes

piston cylinder

7, 7 fixed connection of piston cylinder are at the inner wall of box body 2, be equipped with intake pipe 701 and outlet duct 702 on the piston cylinder 7, all be equipped with check valve 703 on intake pipe 701 and the

outlet duct

702, 7 inner wall sliding connection of piston cylinder have

first piston plate

8, 8 outer wall fixedly connected with piston rods 9 of first piston plate, 9 top fixedly connected with anticreep board 901 of piston rod, anticreep board 901 outer wall fixedly connected with gyro wheel 902, first reset spring 10 has been cup jointed on the

piston rod

9, 10 both ends of first reset spring offset with the outer wall of piston cylinder 7 and anticreep board 901 respectively.

The outer wall of the base 1 is fixedly connected with an air filter 3, the inner wall of the box body 2 is fixedly connected with an air bag 6, one end, away from the piston cylinder 7, of the air inlet pipe 701 is communicated with the air filter 3, and one end, away from the piston cylinder 7, of the air outlet pipe 702 is communicated with the air bag 6.

The top plate 22 is provided with a gas collection chamber 2201, the airbag 6 is provided with a first connecting pipe 601, one end of the first connecting pipe 601, which is far away from the airbag 6, is communicated with the gas collection chamber 2201, the first connecting pipe 601 is provided with a switch valve 602, the outer wall of the top plate 22 is fixedly connected with a second spray head 23, and the second spray head 23 is communicated with the gas collection chamber 2201.

The driving mechanism comprises a motor 4, the motor 4 is fixedly connected to the inner wall of the box body 2, the output end of the motor 4 is fixedly connected with a first rotating shaft 5, a cam 501 and a first bevel gear 502 are fixedly connected to the first rotating shaft 5, the cam 501 is attached to the outer wall of the roller 902, and the first bevel gear 502 is meshed with a second bevel gear 1102 and a third bevel gear 1202 respectively.

Clamping mechanism includes box 15, box 15 fixed connection is at the top of fixed block 13, box 15 inner wall fixedly connected with fixed plate 16, be equipped with through-hole 1601 on the fixed plate 16, box 15 inner wall sliding connection has second piston board 17, second piston board 17 outer wall fixedly connected with splint 18, splint 18 outer wall fixedly connected with protection pad 1801, be equipped with second reset spring 19 between fixed plate 16 and the second piston board 17, be equipped with second connecting pipe 20 on the box 15, the first shower nozzle 2001 of one end fixedly connected with of box 15 is kept away from to second connecting pipe 20, first shower nozzle 2001 fixed connection is at the outer wall of box 15.

The cleaning mechanism comprises a second rotating shaft 25 and a third rotating shaft 26, the second rotating shaft 25 and the third rotating shaft 26 are both rotatably connected to the outer wall of the supporting plate 21, and a third belt wheel 2501 and a first fan blade 2502 are fixedly connected to the second rotating shaft 25.

The third rotating shaft 26 is fixedly connected with a fourth belt pulley 2601 and a second fan blade 2602, the outer wall of the support plate 21 is fixedly connected with an air duct 24, the air duct 24 is provided with a second avoiding groove 2401, the second rotating shaft 25 and the third rotating shaft 26 are both arranged in the air duct 24, and the first belt pulley 1101, the second belt pulley 1201, the third belt pulley 2501 and the fourth belt pulley 2601 are all connected through a belt.

In the invention, when a user uses the device, firstly, accessories to be fastened are placed on the box body 2, then the motor 4 is started, the motor 4 is a forward and reverse rotation motor 4, the motor 4 drives the first rotating shaft 5 to rotate, the first bevel gear 502 on the first rotating shaft 5 is meshed with the second bevel gear 1102 and the third bevel gear 1202, the first bevel gear 502 drives the second bevel gear 1102 and the third bevel gear 1202 to rotate, the first screw rod 11 on the second bevel gear 1102 rotates simultaneously, the second screw rod 12 on the third bevel gear 1202 rotates simultaneously, the fixed blocks 13 on the first screw rod 11 and the second screw rod 12 displace towards the middle simultaneously, the clamping mechanism on the fixed blocks 13 clamps the accessories, the specific clamping process is that the fixed blocks 13 move towards the middle, the clamping plate 18 on the box body 15 is pressed against the outer walls of the accessories to pre-clamp, thereby facilitating the position adjustment of the accessories by the user, the protection pad 1801 on the splint 18 protects the outer wall of the accessory, the box body 15 continues to move after the splint 18 is attached to the outer wall of the accessory, the splint 18 pushes the second piston plate 17 to move in the box body 15, the second piston plate 17 extrudes the air in the box body 15 when moving in the box body 15, the air is conveyed to the first spray nozzle 2001 through the second connecting pipe 20, the air is sprayed out from the first spray nozzle 2001 to clean the accessory, when the splint 18 loosens the accessory, the second return spring 19 returns the splint 18, the second piston plate 17 pumps the outside air into the box body 15 through the spray nozzle, and the accessory is cleaned when being clamped next time.

Example 2:

referring to fig. 1, 2 and 5, a mechanical part clamping device for mechanical engineering comprises a base 1, a box body 2 fixedly connected to the outer wall of the base 1, a driving mechanism and a gas collecting mechanism arranged in the box body 2, a partition 201 and a stabilizer bar 14 fixedly connected to the inner wall of the box body 2, a first avoiding groove 202 arranged on the box body 2, a first lead screw 11 and a second lead screw 12 rotatably connected to the box body 2, a first belt pulley 1101 and a second bevel gear 1102 fixedly connected to the first lead screw 11, a second belt pulley 1201 and a third bevel gear 1202 fixedly connected to the second lead screw 12, a fixing block 13 threadedly connected to the first lead screw 11 and the second lead screw 12, the fixing block 13 slidably connected to the stabilizer bar 14, the first lead screw 11 and the second lead screw 12 having opposite thread directions, a clamping mechanism arranged on the top of the fixing block 13, a supporting plate 21 fixedly connected to the outer wall of the base 1, and a top plate 22 fixedly connected to the end of the supporting plate 21 far away from the base 1, the supporting plate 21 is provided with a cleaning mechanism.

Gas collection mechanism includes

piston cylinder

outlet duct

702, 7 inner wall sliding connection of piston cylinder have

first piston plate

piston rod

According to the invention, the cam 501 is driven to rotate by the first rotating shaft 5, when the cam 501 rotates, the cam 501 drives the first piston plate 8 on the piston rod 9 to move in the piston cylinder 7, meanwhile, the first restoring spring 10 restores the first piston plate 8, so that the first piston plate 8 reciprocates in the piston cylinder 7, the first piston plate 8 reciprocates in the piston cylinder 7 and simultaneously sucks air in the air filter 3 into the piston cylinder 7 through the air inlet pipe 701, then the air is conveyed into the air bag 6 through the air outlet pipe 702, the air is stored in the air bag 6, when an accessory is machined, the switch valve 602 on the first connecting pipe 601 is opened, the air is conveyed into the air collection chamber 2201 from the air bag 6 through the first connecting pipe 601, and then the air is sprayed out by the second spray nozzle 23 to clean the machined accessory.

Example 3:

referring to fig. 1 and 4, a machine part clamping device for mechanical engineering comprises a base 1, a box body 2 fixedly connected to the outer wall of the base 1, a driving mechanism and a gas collecting mechanism arranged in the box body 2, a partition 201 and a stabilizer bar 14 fixedly connected to the inner wall of the box body 2, a first avoiding groove 202 arranged on the box body 2, a first lead screw 11 and a second lead screw 12 rotatably connected to the box body 2, a first pulley 1101 and a second bevel gear 1102 fixedly connected to the first lead screw 11, a second pulley 1201 and a third bevel gear 1202 fixedly connected to the second lead screw 12, a fixing block 13 threadedly connected to the first lead screw 11 and the second lead screw 12, the fixing block 13 slidably connected to the stabilizer bar 14, the first lead screw 11 and the second lead screw 12 having opposite thread directions, a clamping mechanism arranged on the top of the fixing block 13, a support plate 21 fixedly connected to the outer wall of the base 1, and a top plate 22 fixedly connected to one end of the support plate 21 far away from the base 1, the supporting plate 21 is provided with a cleaning mechanism.

Gas collection mechanism includes

piston cylinder

outlet duct

702, 7 inner wall sliding connection of piston cylinder have

first piston plate

piston rod

In the invention, a first screw rod 11 drives a first belt pulley 1101, a second screw rod 12 drives a second belt pulley 1201 to rotate, the first belt pulley 1101 and the second belt pulley 1201 rotate and simultaneously drive a third belt pulley 2501 and a fourth belt pulley 2601 to rotate through a belt, a second rotating shaft 25 and a third rotating shaft 26 on the third belt pulley 2501 and the fourth belt pulley 2601 rotate simultaneously, a first fan blade 2502 on the second rotating shaft 25 and a second fan blade 2602 on the third rotating shaft 26 rotate simultaneously, airflow is generated when the first fan blade 2502 and the second fan blade 2602 rotate, and the airflow is intensively blown out through an air duct 24, so that accessories are cleaned in the clamping and loosening processes.

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. A machine part clamping device for mechanical engineering, including base (1), characterized in that, base (1) outer wall fixedly connected with box body (2), be equipped with actuating mechanism and gas collection mechanism in the box body (2), box body (2) inner wall fixedly connected with baffle (201) and stabilizer bar (14), be equipped with the first groove of dodging (202) on the box body (2), rotate on box body (2) and be connected with first lead screw (11) and second lead screw (12), fixedly connected with first band pulley (1101) and second bevel gear (1102) on first lead screw (11), fixedly connected with second band pulley (1201) and third bevel gear (1202) on second lead screw (12), threaded connection has fixed block (13) on first lead screw (11) and second lead screw (12), fixed block (13) sliding connection is on stabilizer bar (14), the screw thread direction of turning on first lead screw (11) and second lead screw (12) is opposite, fixed block (13) top is equipped with clamping mechanism, base (1) outer wall fixedly connected with backup pad (21), one end fixedly connected with roof (22) of base (1) are kept away from in backup pad (21), be equipped with clearance mechanism on backup pad (21).

2. Mechanical accessory clamp device for mechanical engineering, according to claim 1, the gas collection mechanism comprises a piston cylinder (7), the piston cylinder (7) is fixedly connected with the inner wall of the box body (2), an air inlet pipe (701) and an air outlet pipe (702) are arranged on the piston cylinder (7), the air inlet pipe (701) and the air outlet pipe (702) are both provided with one-way valves (703), the inner wall of the piston cylinder (7) is connected with a first piston plate (8) in a sliding way, the outer wall of the first piston plate (8) is fixedly connected with a piston rod (9), the top of the piston rod (9) is fixedly connected with an anti-drop plate (901), the outer wall of the anti-drop plate (901) is fixedly connected with a roller (902), the piston rod (9) is sleeved with a first restoring spring (10), and two ends of the first restoring spring (10) are respectively abutted against the outer walls of the piston cylinder (7) and the anti-falling plate (901).

3. The mechanical accessory clamping device for mechanical engineering according to claim 2, wherein an air filter (3) is fixedly connected to the outer wall of the base (1), an air bag (6) is fixedly connected to the inner wall of the box body (2), one end, away from the piston cylinder (7), of the air inlet pipe (701) is communicated with the air filter (3), and one end, away from the piston cylinder (7), of the air outlet pipe (702) is communicated with the air bag (6).

4. The mechanical accessory clamping device for mechanical engineering according to claim 3, wherein a gas collection chamber (2201) is arranged on the top plate (22), a first connecting pipe (601) is arranged on the air bag (6), one end of the first connecting pipe (601) far away from the air bag (6) is communicated with the gas collection chamber (2201), a switch valve (602) is arranged on the first connecting pipe (601), a second spray head (23) is fixedly connected to the outer wall of the top plate (22), and the second spray head (23) is communicated with the gas collection chamber (2201).

5. The mechanical accessory clamping device for mechanical engineering as claimed in claim 4, wherein the driving mechanism comprises a motor (4), the motor (4) is fixedly connected to the inner wall of the box body (2), the output end of the motor (4) is fixedly connected with a first rotating shaft (5), a cam (501) and a first bevel gear (502) are fixedly connected to the first rotating shaft (5), the cam (501) is attached to the outer wall of the roller (902), and the first bevel gear (502) is respectively connected with the second bevel gear (1102) and the third bevel gear (1202) in a meshed manner.

6. The mechanical part clamping device for mechanical engineering as claimed in claim 1, wherein the clamping mechanism comprises a box body (15), the box body (15) is fixedly connected to the top of a fixing block (13), a fixing plate (16) is fixedly connected to the inner wall of the box body (15), a through hole (1601) is formed in the fixing plate (16), a second piston plate (17) is slidably connected to the inner wall of the box body (15), a clamping plate (18) is fixedly connected to the outer wall of the second piston plate (17), a protection pad (1801) is fixedly connected to the outer wall of the clamping plate (18), a second restoring spring (19) is arranged between the fixing plate (16) and the second piston plate (17), a second connecting pipe (20) is arranged on the box body (15), and a first nozzle (2001) is fixedly connected to one end, far away from the box body (15), of the second connecting pipe (20), the first spray head (2001) is fixedly connected to the outer wall of the box body (15).

7. The mechanical accessory holding device for mechanical engineering as claimed in claim 6, characterized in that the cleaning mechanism comprises a second rotating shaft (25) and a third rotating shaft (26), the second rotating shaft (25) and the third rotating shaft (26) are both rotatably connected to the outer wall of the supporting plate (21), and a third pulley (2501) and a first fan blade (2502) are fixedly connected to the second rotating shaft (25).

8. The mechanical part clamping device for mechanical engineering, according to claim 7, is characterized in that a fourth belt wheel (2601) and a second fan blade (2602) are fixedly connected to the third rotating shaft (26), an air duct (24) is fixedly connected to the outer wall of the support plate (21), a second avoiding groove (2401) is formed in the air duct (24), the second rotating shaft (25) and the third rotating shaft (26) are both arranged in the air duct (24), and the first belt wheel (1101), the second belt wheel (1201), the third belt wheel (2501) and the fourth belt wheel (2601) are all connected through a belt.