CN107139078B

CN107139078B - Automatic quick change grinding wheel device

Info

Publication number: CN107139078B
Application number: CN201710412303.8A
Authority: CN
Inventors: 王雷; 高金锋; 王芳; 张玉友; 王文祥
Original assignee: Anhui Polytechnic University
Current assignee: Anhui Polytechnic University
Priority date: 2017-06-05
Filing date: 2017-06-05
Publication date: 2023-05-23
Anticipated expiration: 2037-06-05
Also published as: CN107139078A

Abstract

The invention discloses an automatic quick-change grinding wheel device, which comprises a base and a loop bar, wherein the loop bar is fixedly arranged on the side surface of the base, a power device is fixedly arranged on the side surface of the base, the tail end of the loop bar is connected with a chuck, a grinding wheel is arranged on the chuck, the grinding wheel is connected with a bracket through a nut replacement device, and the bracket is directly connected with the power device; the power device comprises a first motor and a first screw rod, the first motor is fixedly connected with the first screw rod, the nut replacing device comprises a second motor and a second screw rod, the second motor is directly connected with the second screw rod, the second screw rod is connected with a sliding block, the sliding block is connected with a third motor, a claw is arranged inside the chuck, the quick replacement of grinding wheels is realized through cooperation, the complicated replacement problem of a large number of grinding wheels on the market can be solved, an automatic mode is adopted, the consumption of manpower and material resources is reduced, the market production efficiency is improved, the market economic benefit is increased, and accidents are avoided.

Description

Automatic quick change grinding wheel device

Technical Field

The invention relates to the technical field of mechanical devices, in particular to an automatic quick-change grinding wheel device.

Background

The grinding wheel is an indispensable grinding tool in grinding processing, and can be said to be the one with the largest dosage and the widest use surface in the industries of hardware industry, automobile and ship manufacturing industry, machine manufacturing industry, mould manufacturing industry, casting industry and the like. However, the grinding wheel is easy to wear, and the grinding wheel has certain quality problems, such as poor flatness, uneven tissue, higher hardness and the like, and when the grinding wheel reaches a certain degree of wear, the grinding wheel needs to be replaced by a new grinding wheel. Therefore, the quick replacement of the grinding wheel also becomes an urgent problem to be solved. In the process, manual operation is generally adopted in the market at present, and the method not only consumes a great deal of manpower and material resources, but also easily causes safety accidents once an operator operates the method improperly or carelessly.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides the automatic quick-change grinding wheel device, which can automatically, safely and quickly realize the replacement of new and old grinding wheels and can effectively solve the problems in the background technology.

The technical scheme adopted for solving the technical problems is as follows: the automatic quick-change grinding wheel device comprises a base and a loop bar, wherein the loop bar is fixedly arranged on the side surface of the base, a power device is fixedly arranged on the side surface of the base, the tail end of the loop bar is connected with a chuck, a grinding wheel is arranged on the chuck, the grinding wheel is connected with a bracket through a nut replacement device, and the bracket is directly connected with the power device;

the power device comprises a first motor and a first screw rod, the first motor is fixedly connected with the first screw rod, the nut replacing device comprises a second motor and a second screw rod, the second motor is directly connected with the second screw rod, the second screw rod is connected with a sliding block, the sliding block is connected with a third motor, a claw is arranged inside the chuck, three pairs of transverse sliding keys, longitudinal sliding keys, a second sliding groove and a first spring are sequentially distributed on the claw, the transverse sliding keys are in contact connection with the first spring inside the second sliding groove, and the longitudinal sliding keys are also in contact connection with the first spring.

As a preferable technical scheme of the invention, the first motor drives the first screw rod, the rotating speed of the chuck is controlled through the bracket, and a fourth motor is fixedly arranged on the other side of the bracket and fixedly connected with the chuck, and the rotating angle of the chuck is controlled.

As a preferable technical scheme of the invention, the other end of the first chute is also embedded with a second spring, and the tail end of the second spring is also connected with a spanner.

As a preferable technical scheme of the invention, the number of the clamping claws is two, the two clamping claws are of semicircular symmetrical distribution structures, and the clamping claws are directly connected with the chuck.

As a preferable technical scheme of the invention, the clamping jaw is of a semicircular structure.

As a preferred embodiment of the present invention, the loop bar has a slight angle of upward inclination.

As a preferable technical scheme of the invention, the second screw rod and the sliding block are embedded in the first sliding groove.

As a preferable technical scheme of the invention, the longitudinal sliding key is of a curved surface structure.

As a preferable technical scheme of the invention, the two chucks are connected through a shaft core, the shaft core is connected with a fourth motor through a connecting sleeve rod, a connecting ring is fixedly arranged between the chucks and the connecting sleeve rod, and the connecting sleeve rod is connected with the shaft core through the connecting ring.

As an optimized technical scheme of the invention, an arc chute is further arranged in the chuck, the shape and the track of the arc chute are the same as those of the inner side of the chuck, and the transverse sliding key and the longitudinal sliding key are arranged in the arc chute and slide along the arc chute.

Compared with the prior art, the invention has the beneficial effects that: the invention can automatically, safely and quickly realize the replacement of new and old grinding wheel pieces, the device is provided with the infrared induction system, four motors, the grinding wheel piece chuck, the old grinding wheel piece sleeve rod and other parts, the parts are cooperatively matched, the quick replacement of the grinding wheel pieces is realized, and the problem of complicated replacement of a large number of grinding wheel pieces in the market can be solved. By adopting an automatic mode, the consumption of manpower and material resources is reduced, the market production efficiency is improved, the market economic benefit is increased, and accidents are avoided.

Drawings

FIG. 1 is a schematic diagram of the structure of the present invention;

FIG. 2 is a schematic view of a partially enlarged structure of the present invention;

FIG. 3 is a schematic view of a chuck according to the present invention;

FIG. 4 is a schematic view of a partially enlarged structure of a chuck according to the present invention;

FIG. 5 is a schematic view of a nut changer according to the present invention;

in the figure: 1-a base; 2-loop bar; 3-chuck; 4, grinding wheel; 5-nut replacement means; 6-power plant; 7-a first motor; 8-a first screw rod; 9-a second screw rod; 10-a fourth motor; 11-a bracket; 12-a second motor; 13-a third motor; 14-clamping jaws; 15-a first spring; 16-lateral slip; 17-longitudinal slip; 18-a wrench; 19-a slider; 20-a second spring; 21-a first chute; 22-a second chute; 23-a shaft core; 24-connecting a loop bar; 25-connecting rings; 26-arc chute.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Examples:

as shown in fig. 1 to 5, the invention provides an automatic quick-change grinding wheel device, which comprises a base 1 and a sleeve rod 2, wherein the sleeve rod 2 is fixedly arranged on the side surface of the base 1, a power device 6 is fixedly arranged on the side surface of the base 1, the tail end of the sleeve rod 2 is connected with a chuck 3, the two chucks 3 are connected through a shaft core 23, the shaft core 23 is connected with a fourth motor 10 through a connecting sleeve rod 24, a connecting ring 25 is fixedly arranged between the chuck 3 and the connecting sleeve rod 24, the connecting sleeve rod 24 is connected with the shaft core 23 through the connecting ring 25, the chuck 3 is better controlled by the connecting sleeve ring 24, the occurrence of faults or damages of a connecting piece caused by rigid deviation can be prevented, the chuck 3 is provided with a grinding wheel 4, the grinding wheel 4 is connected with a bracket 11 through a nut replacing device 5, the bracket 11 is directly connected with the power device 6, and the power device 6 controls the chuck 3 to advance and retreat;

the power device 6 comprises a first motor 7 and a first screw rod 8, the first motor 7 is fixedly connected with the first screw rod 8, the first motor 7 drives the first screw rod 8, the rotation speed of the chuck 3 is controlled through a bracket 11, a fourth motor 10 is fixedly installed on the other side of the bracket 11, the fourth motor 10 is fixedly connected with the chuck 3 and controls the rotation angle of the chuck 3, further, the first screw rod 8 is connected with the bracket 11 to enable the chuck 3 to advance and retreat through screw rod nut pair connection, the first motor 1 is fixedly connected with the first screw rod 8, so that the rotation of the first screw rod 8 is controlled, the speed of the chuck 3 is controlled, the fourth motor 10 is fixedly connected with the chuck 3, the rotation of the chuck 3 is controlled through the fourth motor 10, and the rotation angle of the chuck 3 is strictly controlled through the fourth motor 10;

the nut replacing device 5 comprises a second motor 12 and a second screw rod 9, the second motor 12 is directly connected with the second screw rod 9, the second screw rod 9 is connected with a slide block 19, the second screw rod 9 and the slide block 19 are embedded in a first chute 21, a second spring 20 is also embedded at the other end of the first chute 21, a spanner 18 is also connected at the tail end of the second spring 20, the slide block 19 is connected with a third motor 13,

the function of the second spring 20 is during the insertion of the hole of the nut fixed to the grinder: assuming that the plug is not inserted into the nut hole at this time when the nut is on top of the plug, the second spring 20 is in a compressed state by the forward power provided by the third motor 13, and when the plug is rotated by a certain angle to be just aligned with the hole of the nut, the compressed second spring 20 is just released by elasticity at this time, so as to push the plug in front of the third motor 13 to be inserted into the hole. During loosening of the nut fixed to the grinder: the third motor 13 rotates in the opposite direction of the rotation during insertion, the nut also has a backward acting force during backward movement, at the moment, the acting force is just relieved by the compression spring, the sliding block 19 and the first sliding groove 21 are provided with grooves at the bottoms of the sliding blocks, and convex strips are arranged in the sliding grooves and are inlaid together to prevent the sliding blocks from rotating in the sliding grooves, so that the purpose of sliding block advance is realized.

The chuck 3 is internally provided with an arc chute 26, the shape and the track of the arc chute 26 are the same as those of the inner side of the chuck 3, the transverse sliding key 16 and the longitudinal sliding key 17 are arranged in the arc chute 26 and slide along the arc chute 26, a better sliding carrier is provided, the sliding track of the transverse sliding key 16 and the longitudinal sliding key 17 can be better controlled, the chuck 3 is internally provided with two clamping claws 14, the two clamping claws 14 are in semicircular symmetrical distribution structures, the clamping claws 14 are directly connected with the chuck 3, three pairs of transverse sliding keys 16, longitudinal sliding keys 17, a second sliding chute 22 and a first spring 15 are sequentially distributed on the clamping claws 14, the transverse sliding keys 16 are in contact connection with the first spring 15 in the second sliding chute 22, the longitudinal sliding keys 17 are of a curved surface structure, and the longitudinal sliding keys 17 are also in contact connection with the first spring 15, and the first spring 15 will transversely slide when the transverse sliding keys 16 are subjected to transverse forces. The longitudinal sliding key 17 is of a curved surface structure, and when the longitudinal sliding key 17 is subjected to a lateral force, the longitudinal sliding key 17 will move downward. When the force is removed, the longitudinal sliding key 17 will be spring-loaded due to the action of the first spring 15, so that when the chuck 3 advances, the grinding wheel 4 will enter the claw 14, and the claw 14 has a semicircular structure, which is characterized in that the movement of the grinding wheel 4 in the front-back and left-right directions is restrained, but the movement of the grinding wheel 4 in the up-down position is not restrained, and the separation of the grinding wheel 4 from the claw is realized.

The sleeve rod 2 has a slight angle inclined upwards, the chuck 3 is controlled by the power device 6 to advance and retreat so that the sleeve rod 2 is inserted into the central hole of the old grinding wheel 4, and the old grinding wheel 4 is disassembled and recovered by utilizing the inclined plane principle.

In the present invention, the thickness of the grinding wheel 4 is detected by infrared rays.

In addition, in the present invention, further description is made of the implementation steps:

1. the thickness of the grinding wheel 4 is detected by infrared rays, and when the thickness is lower than the minimum standard thickness for grinding, the industrial robot places the old grinding wheel before the jaw 14 of the dismounting device, and the new grinding wheel 4 to be replaced is positioned before the other jaw 14.

2. The chuck 3 is moved forward by the power device 6, and the new grinding wheel 4 and the old grinding wheel 4 are respectively clamped by the two clamping jaws 14. The nut replacing device 5 starts to work, and the nuts on the old grinding wheels 4 are removed. The power means 6 operates to move the chuck 3 rearwardly. The jaws 14 now disengage the worn grinding wheel 4 from the machine.

3. The fourth motor 10 starts to operate and rotates the chuck 3 by 180 degrees anticlockwise, and the new grinding wheel 4 and the old grinding wheel 4 are interchanged. The power device 6 works to enable the chuck 3 to move backwards continuously, at the moment, the sleeve rod 2 is inserted into the central hole of the old grinding wheel 4, and the old grinding wheel 4 is disassembled by the bevel principle.

4. The chuck 3 is moved forward by the power unit 6 to mount a new grinding wheel 4 to the grinding robot, and the nut is mounted to the grinding robot by the nut replacing unit 5. The fourth motor 10 is operated to rotate the chuck 3 clockwise by 90 degrees to complete the separation of the jaws 14 from the grinding wheel 4. The power means 6 moves the chuck 3 back to the starting position and the fourth motor 10 rotates 90 degrees clockwise to reset the device. .

Further, the grinding wheel is a porous body which is prepared by adding a binding agent into an abrasive, compacting, drying and roasting. Because the grinding materials, the binding agent and the manufacturing process are different, the characteristics of the grinding wheels are greatly different, and therefore, the grinding materials have important influence on the processing quality, the production efficiency and the economy of the grinding materials. The grinding wheel can be divided into a plurality of grinding tools according to the used grinding materials and shapes, the grinding tools are an essential grinding tool in grinding processing, the grinding tools are the most used and the most widely used grinding tools in the industries of hardware industry, automobile and ship manufacturing industry, machine manufacturing industry, mould manufacturing industry, casting industry and the like, any grinding wheel has certain abrasion requirement in use, and the grinding wheel must be replaced to a certain extent, so that the grinding wheel cannot be used for saving materials and meeting the ultra-abrasion requirement, and is an extremely unsafe illegal action. It is the market demand for grinding wheels that is so great that quick changing of grinding wheels is also an urgent problem to be solved. In the process, the grinding wheel has quality problems such as poor flatness, uneven tissue and high hardness, and the operation method is incorrect and the operator carelessly, so that the safety accident problem is easily caused. The automatic replacement of the new grinding wheel and the old grinding wheel is realized automatically, rapidly and safely by adopting an automatic replacement manual mode. The accident of personnel is avoided, the consumption of manpower and material resources is greatly reduced, the market production efficiency is improved, and the market economic benefit is increased. The invention has simple structure, the principle used is simple mechanical principle knowledge, and the invention is mainly used in the industries of hardware, casting, mechanical manufacturing and the like, wherein the abrasion of the grinding tool is large, and the hardware, the casting, the mechanical manufacturing and the like need to be replaced in time.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. 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.

Claims

1. An automatic quick change grinding wheel device which is characterized in that: the novel grinding machine comprises a base (1) and a loop bar (2), wherein the loop bar (2) is fixedly arranged on the side face of the base (1), a power device (6) is fixedly arranged on the side face of the base (1), the tail end of the loop bar (2) is connected with a chuck (3), a grinding wheel (4) is arranged on the chuck (3), the grinding wheel (4) is connected with a bracket (11) through a nut replacement device (5), and the bracket (11) is directly connected with the power device (6);

the power device (6) comprises a first motor (7) and a first screw rod (8), the first motor (7) is fixedly connected with the first screw rod (8), the nut replacing device (5) comprises a second motor (12) and a second screw rod (9), the second motor (12) is directly connected with the second screw rod (9), the second screw rod (9) is connected with a sliding block (19), the sliding block (19) is connected with a third motor (13), a claw (14) is arranged in the chuck (3), three pairs of transverse sliding keys (16), longitudinal sliding keys (17), a second sliding groove (22) and a first spring (15) are sequentially distributed on the claw (14), the transverse sliding keys (16) are in contact connection with the first spring (15) in the second sliding groove (22), and the longitudinal sliding keys (17) are also in contact connection with the first spring (15);

the two chucks (3) are connected through a shaft core (23), the shaft core (23) is connected with a fourth motor (10) through a connecting sleeve rod (24), a connecting ring (25) is fixedly arranged between the chucks (3) and the connecting sleeve rod (24), and the connecting sleeve rod (24) is connected with the shaft core (23) through the connecting ring (25);

the chuck is characterized in that an arc chute (26) is further arranged in the chuck (3), the shape and the track of the arc chute (26) are the same as those of the inner side of the chuck (3), and the transverse sliding key (16) and the longitudinal sliding key (17) are arranged in the arc chute (26) and slide along the arc chute (26).

2. An automatic quick change grinding wheel unit according to claim 1, wherein: the first motor (7) drives the first screw rod (8) and controls the rotation speed of the chuck (3) through the support (11), a fourth motor (10) is fixedly installed on the other side of the support (11), and the fourth motor (10) is fixedly connected with the chuck (3) and controls the rotation angle of the chuck (3).

3. An automatic quick change grinding wheel unit according to claim 1, wherein: the other end of the first chute (21) is also embedded with a second spring (20), and the tail end of the second spring (20) is also connected with a spanner (18).

4. An automatic quick change grinding wheel unit according to claim 1, wherein: the number of the clamping claws (14) is two, the two clamping claws (14) are of semicircular symmetrical distribution structures, and the clamping claws (14) are directly connected with the chuck (3).

5. An automatic quick change grinding wheel unit according to claim 1, wherein: the clamping jaw (14) is of a semicircular structure.

6. An automatic quick change grinding wheel unit according to claim 1, wherein: the loop bar (2) has a slight angle of upward inclination.

7. An automatic quick change grinding wheel unit according to claim 1, wherein: the second screw rod (9) and the sliding block (19) are embedded in the first sliding groove (21).

8. An automatic quick change grinding wheel unit according to claim 1, wherein: the longitudinal sliding key (17) is of a curved surface structure.