CN216265257U - A device for grinding and cleaning workpiece cavity - Google Patents

Abstract

The utility model discloses a workpiece cavity grinding and cleaning device, comprising a fixing rod, one end of the fixing rod is rotatably provided with a sleeve, and one end of the fixing rod located in the middle of the inner cavity of the sleeve is provided with an electric push rod. The telescopic end of the electric push rod is rotatably provided with a connecting plate, the outer side of the end of the sleeve away from the fixed rod is provided with an elastic band connected with the connecting plate, the side of the elastic band is movably sleeved with a grinding ball composed of grinding wires, and the sleeve is far away from the electric One side of the push rod is connected with a driving piece, and the driving piece includes a mounting seat mounted on the side of the fixing rod, the side of the mounting seat is provided with a servo motor, and the output shaft of the servo motor is provided with a main pulley. The workpiece cavity grinding and cleaning device can be inserted into the workpiece for grinding and cleaning, and can be adjusted according to the size of the workpiece cavity. convenient.

Description

A device for grinding and cleaning workpiece cavity

technical field

The utility model relates to the technical field of mechanical processing, in particular to a workpiece cavity grinding and cleaning device.

Background technique

Machining refers to the process of changing the shape, size or performance of a workpiece through mechanical equipment. According to the difference in processing methods, it can be divided into cutting processing, grinding and polishing and pressure processing.

When grinding and polishing the workpiece, the existing method mainly uses a grinding disc composed of grinding wires and a polishing wheel to polish and polish the workpiece. However, for workpieces with a certain depth of grooves, these polishing equipments are relatively large in size and cannot be polished deep into the workpiece; in addition, manual polishing by workers has low work efficiency, wastes manpower, and is inconvenient to use.

SUMMARY OF THE INVENTION

The technical problem to be solved by the utility model is to overcome the existing defects and provide a workpiece cavity grinding and cleaning device, which can be inserted into the workpiece for grinding and cleaning, and can be adjusted according to the size of the workpiece cavity, with good grinding effect. The utility model has a wide range of use, can save manpower, improve work efficiency, is simple to operate, and is convenient to use, and can effectively solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a workpiece cavity grinding and cleaning device, comprising a fixed rod, one end of the fixed rod is rotatably provided with a sleeve, and the fixed rod is located at one end in the middle of the inner cavity of the sleeve There is an electric push rod, the telescopic end of the electric push rod is rotatably provided with a connecting plate, the outer side of the end of the sleeve away from the fixed rod is provided with an elastic band connected with the connecting plate, and the side of the elastic band is movably sleeved Grinding ball composed of grinding wire.

The side of the sleeve away from the electric push rod is connected with a driving member, and the driving member includes a mounting seat installed on the side of the fixed rod, the side of the mounting seat is provided with a servo motor, and the output shaft of the servo motor is provided with There is a main pulley, the outer peripheral side of the sleeve is provided with an auxiliary pulley corresponding to the main pulley, and the movable sleeve on the main pulley is provided with a belt connected with the auxiliary pulley.

The side of the mounting seat is provided with a switch group, the input end of the electric push rod and the input end of the servo motor are electrically connected with the output end of the switch group, and the input end of the switch group is electrically connected with the output end of the external power supply.

As a preferred technical solution of the present invention, the telescopic end of the electric push rod is provided with a fixed seat, the side of the fixed seat away from the electric push rod is provided with a second plane bearing, and the fixed seat passes through the second plane bearing Rotate with the connecting plate.

As a preferred technical solution of the present invention, a position-limiting leather pad is provided at the position of the elastic band close to one side of the sleeve.

As a preferred technical solution of the present invention, one end of the sleeve close to the electric push rod is provided with a first plane bearing, and an inner side of the sleeve close to one end of the electric push rod is provided with a second bearing.

As a preferred technical solution of the present invention, the inner surface of the sleeve is provided with a first bearing that is rotatably connected with the fixing rod.

As a preferred technical solution of the present invention, a handle is provided at one end of the fixing rod away from the electric push rod.

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

1. In the workpiece cavity grinding and cleaning device of the example of the present utility model, the electric push rod drives the fixed seat to move, the fixed seat drives the connecting plate to move to the inside of the sleeve through the second plane bearing, and the connecting plate drives the elastic band to move to the inside of the sleeve, Thus, the length of the elastic band exposed outside the sleeve can be adjusted.

2. In the workpiece cavity grinding and cleaning device of the example of the present utility model, the servo motor drives the main pulley to rotate, the main pulley drives the auxiliary pulley to rotate through the belt, and the auxiliary pulley drives the elastic belt and the grinding ball to rotate at a high speed; and the elastic belt and the grinding ball rotate at a high speed. Under the action of centrifugal force, it moves away from the sleeve, so that the grinding ball rotating at high speed around the sleeve contacts the inner wall of the workpiece and grinds the inner wall of the workpiece.

3. In the workpiece cavity grinding and cleaning device of the example of the present invention, when the elastic band is inserted into the sleeve, the first plane bearing and the second bearing help the rotation of the elastic band inside the sleeve, which can reduce the elastic band The friction with the sleeve prevents the elastic belt from being broken due to excessive friction, and improves the service life of the device.

4. The workpiece cavity grinding and cleaning device of the example of the present invention can be inserted into the workpiece for grinding and cleaning, and can be adjusted according to the size of the workpiece cavity. Efficiency, simple operation and convenient use.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the sectional structure schematic diagram of Fig. 1;

FIG. 3 is a schematic diagram of the right side view of FIG. 1 .

In the figure: 1 fixed rod, 2 sleeve, 21 first bearing, 22 first plane bearing, 23 second bearing, 3 electric push rod, 31 fixed seat, 32 second plane bearing, 33 connecting plate, 4 elastic belt, 41 grinding balls, 5 limit pads, 6 mounts, 7 servo motors, 71 main pulleys, 72 belts, 73 auxiliary pulleys, 8 switch groups, 9 handles.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

1-3, the present utility model provides a technical solution: a workpiece cavity grinding and cleaning device, comprising a fixed rod 1, one end of the fixed rod 1 is rotatably provided with a sleeve 2, and the inner side of the sleeve 2 is provided with The first bearing 21 is rotatably connected with the fixed rod 1. The end of the fixed rod 1 located in the middle of the inner cavity of the sleeve 2 is provided with an electric push rod 3, and the telescopic end of the electric push rod 3 is rotatably provided with a connecting plate 33. The telescopic end is provided with a fixed seat 31 , the side of the fixed seat 31 away from the electric push rod 3 is provided with a second plane bearing 32 , and the fixed seat 31 is rotatably connected with the connecting plate 33 through the second plane bearing 32 , and the sleeve 2 is far away from the fixed rod 1. The outer side of one end is provided with an elastic band 4 connected with the connecting plate 33. The electric push rod 3 drives the fixed seat 31 to move, and the fixed seat 31 drives the connecting plate 33 to move to the inside of the sleeve 2 through the second plane bearing 32. The elastic band 4 is driven to move toward the inside of the sleeve 2 , so as to adjust the length of the elastic band 4 exposed outside the sleeve 2 .

The side surface of the elastic belt 4 is movably sleeved with a grinding ball 41 composed of grinding wires, which is convenient for grinding the inner cavity of the workpiece.

The position of the elastic band 4 close to the side of the sleeve 2 is provided with a limit pad 5 , which can limit the position of the grinding ball 41 .

The end of the sleeve 2 close to the electric push rod 3 is provided with a first plane bearing 22, and the inner side of the sleeve 2 close to the electric push rod 3 is provided with a second bearing 23. When the elastic band 4 is inserted into the interior of the sleeve 2 , the first plane bearing 22 and the second bearing 23 help the rotation of the elastic band 4 inside the sleeve 2, which can reduce the friction between the elastic band 4 and the sleeve 2, and prevent the elastic band 4 from being affected by excessive friction. fracture, increasing the service life of the device.

The side of the sleeve 2 away from the electric push rod 3 is connected with a driver. The driver includes a mounting seat 6 mounted on the side of the fixed rod 1. The side of the mounting seat 6 is provided with a servo motor 7, and the output shaft of the servo motor 7 is provided with The main pulley 71, the outer peripheral side of the sleeve 2 is provided with an auxiliary pulley 73 corresponding to the main pulley 71, and the main pulley 71 is movably provided with a belt 72 connected to the auxiliary pulley 73, the servo motor 7 drives the main pulley 71 to rotate, The main pulley 71 drives the auxiliary pulley 73 to rotate through the belt 72 , and the auxiliary pulley 73 drives the elastic belt 4 and the grinding ball 41 to rotate at high speed.

The end of the fixing rod 1 away from the electric push rod 3 is provided with a handle 9, which is convenient for taking and using the device.

The side of the mounting seat 6 is provided with a switch group 8, the input end of the electric push rod 3 and the input end of the servo motor 7 are electrically connected with the output end of the switch group 8, and the input end of the switch group 8 is electrically connected with the output end of the external power supply .

The switch group 8 is provided with control buttons corresponding to the electric push rod 3 and the servo motor 7 , and the electric push rod 3 and the servo motor 7 are both commonly used electrical components in the prior art.

The whole workpiece cavity grinding and cleaning device can be inserted into the workpiece for grinding and cleaning, and can be adjusted according to the size of the workpiece cavity. The grinding effect is good, the use range is wide, and it can save labor and improve work efficiency. convenient.

When using:

Adjust the length of the elastic band 4 exposed outside the sleeve 2 according to the size of the workpiece and the size of the inner cavity of the workpiece. The adjustment method is as follows:

The electric push rod 3 is controlled to work by the switch group 8, the electric push rod 3 drives the fixed seat 31 to move, the fixed seat 31 drives the connecting plate 33 to move into the sleeve 2 through the second plane bearing 32, and the connecting plate 33 drives the elastic belt 4 to the sleeve. The inside of the barrel 2 moves, so as to adjust the length of the elastic band 4 exposed on the outside of the sleeve 2;

Insert the sleeve 2 into the workpiece, and then control the servo motor 7 to work through the switch group 8. The servo motor 7 drives the main pulley 71 to rotate, the main pulley 71 drives the auxiliary pulley 73 to rotate through the belt 72, and the auxiliary pulley 73 drives the elastic belt 4 and grinding. The ball 41 rotates at high speed;

And the elastic belt 4 and the grinding ball 41 are moved in the direction away from the sleeve 2 by centrifugal force during the high-speed rotation, so that the grinding ball 41 rotating at a high speed around the sleeve 2 is in contact with the inner wall of the workpiece, and the inner wall of the workpiece is polished;

And the handle 9 drives the fixed rod 1 to slowly insert or move out of the workpiece, the fixed rod 1 drives the sleeve 2 to move, and the sleeve 2 drives the grinding ball 41 to move through the elastic belt 4, thereby completing the grinding and cleaning inside the workpiece.

The utility model can be inserted into the interior of the workpiece for grinding and cleaning, and can be adjusted according to the size of the inner cavity of the workpiece.

The undisclosed parts in this utility model are all in the prior art, and the specific structure, material and working principle thereof will not be described in detail. Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. A workpiece cavity grinding and cleaning device, comprising a fixed rod (1), characterized in that: one end of the fixed rod (1) is rotatably provided with a sleeve (2), and the fixed rod (1) is located in the sleeve (2) One end in the middle of the inner cavity is provided with an electric push rod (3), the telescopic end of the electric push rod (3) is rotatably provided with a connecting plate (33), and the sleeve (2) is away from the fixed rod (1) The outer side of one end is provided with an elastic band (4) connected with the connecting plate (33), and a polishing ball (41) composed of polishing wires is movably sleeved on the side of the elastic band (4); A drive member is connected to the side of the sleeve (2) away from the electric push rod (3), and the drive member includes a mounting seat (6) mounted on the side of the fixing rod (1). A servo motor (7) is provided on the side, the output shaft of the servo motor (7) is provided with a main pulley (71), and the outer peripheral side of the sleeve (2) is provided with a secondary pulley (71) corresponding to the main pulley (71). a pulley (73), and a belt (72) connected to the auxiliary pulley (73) is movably sleeved on the main pulley (71); The side of the mounting seat (6) is provided with a switch group (8), and the input end of the electric push rod (3) and the input end of the servo motor (7) are electrically connected with the output end of the switch group (8). The input end of (8) is electrically connected with the output end of the external power supply. 2 . The workpiece cavity grinding and cleaning device according to claim 1 , wherein the telescopic end of the electric push rod ( 3 ) is provided with a fixing seat ( 31 ), and the fixing seat ( 31 ) is far away from the electric push rod. 3 . One side of (3) is provided with a second plane bearing (32), and the fixing seat (31) is rotatably connected with the connecting plate (33) through the second plane bearing (32). 3 . The workpiece cavity grinding and cleaning device according to claim 1 , characterized in that: a position-limiting pad ( 5 ) is provided at a position of the elastic band ( 4 ) close to one side of the sleeve ( 2 ). 4 . 4 . The workpiece cavity grinding and cleaning device according to claim 1 , wherein the sleeve ( 2 ) is provided with a first plane bearing ( 22 ) at one end of the sleeve ( 2 ) close to the electric push rod ( 3 ). 5 . 2) A second bearing (23) is provided on the inner side of one end of the electric push rod (3). 5 . The workpiece cavity grinding and cleaning device according to claim 1 , wherein the inner side of the sleeve ( 2 ) is provided with a first bearing ( 21 ) rotatably connected with the fixing rod ( 1 ). 6 . 6 . The workpiece cavity grinding and cleaning device according to claim 1 , wherein a handle ( 9 ) is provided at one end of the fixing rod ( 1 ) away from the electric push rod ( 3 ). 7 .

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