CN218927421U - Positioning device of precision bearing roller numerical control grinding machine - Google Patents

Abstract

The utility model provides a positioning device of a precision bearing roller numerically controlled grinder, which relates to the technical field of numerically controlled grinders, and comprises: the grinding machine workbench, the interior surface wall activity of grinding machine workbench inserts and is equipped with threaded rod A, threaded rod A's outward appearance wall swivel mount is equipped with movable block A, and movable block A's outward appearance wall activity inserts and establishes at grinding machine workbench's interior surface wall, through setting up electric telescopic handle A and electric telescopic handle B and splint A and splint B, put into the recess of constant head tank with the article, start two electric telescopic handle A earlier, the adapting plate of the device among the prior art is circular arc structure has been solved, only be fit for fixing a position cylindrical article, then can't fix a position to some irregular or rectangular articles, and the device can only press from both sides tight location to the both sides of article, and the other both sides do not have the location, probably because of the unstable problem that causes the article to drop out of clamping device of centre gripping during the grinding machine work.

Description

Positioning device of precision bearing roller numerical control grinding machine

Technical Field

The utility model relates to the technical field of numerically controlled grinding machines, in particular to a positioning device of a precise bearing roller numerically controlled grinding machine.

Background

The numerical control grinding machine is a machine tool for grinding the surface of a workpiece by using a grinding tool through a numerical control technology, most grinding machines are grinding machines which use a grinding wheel rotating at a high speed, and a few grinding machines are grinding machines which use other grinding tools such as oilstones, abrasive belts and the like and free abrasive materials, such as honing machines, superfinishing machines, abrasive belt grinding machines, polishing machines and the like, and the numerical control grinding machines also include numerical control surface grinding machines, numerical control centerless grinding machines, numerical control internal and external circular grinding machines, numerical control vertical universal grinding machines, numerical control coordinate grinding machines, numerical control forming grinding machines and the like.

Currently, like chinese patent application number CN214869778U discloses a quick positioner of numerically controlled grinder, it includes grinding machine body and auxiliary assembly, the fixture structure that fixes the work piece position is installed through the mounting bracket in grinding machine body top, grinding structure is installed at grinding machine body top between the fixture structure, grinding machine body top is equipped with the mounting groove that installation auxiliary assembly was used, auxiliary assembly is used for assisting the user to install the work piece on the fixture structure, including motor and cylinder, the mounting panel passes through the auxiliary frame and installs at the mounting groove inner chamber tip, the cylinder is installed at mounting panel upper surface middle part, mounting panel top symmetry is equipped with two connecting plates, through auxiliary assembly's setting, can assist the user to fix the position of work piece, need not the user to accomplish the location to the work piece with fixture structure contact, security and stability when having improved the use greatly are favorable to improving user's work efficiency and use comfort.

Although the above-mentioned patent can assist the user to fix the position of the work piece through the setting of auxiliary assembly, need not the user to accomplish the location to the work piece with the contact of anchor clamps structure, security and stability when having improved the use greatly are favorable to improving user's work efficiency and use comfort, but still there are some shortages, for example the device accept the board and be circular arc structure, only be fit for fixing a position cylindrical article, then can not fix a position to some irregular or rectangular article, and the device can only press from both sides to the article clamp the location, and the other both sides do not fix a position, probably because of the unstable outside of article whereabouts clamping device that leads to of centre gripping when grinding machine during operation, consequently, need propose novel precision bearing roller numerically controlled grinder's positioner.

Disclosure of Invention

The utility model aims to solve the problems that in the prior art, a bearing plate of the device is of an arc structure and is only suitable for positioning cylindrical objects, and for some irregular or rectangular objects, the device can only clamp and position two sides of the objects, and the other two sides of the object are not positioned, so that the objects possibly fall out of a clamping device due to unstable clamping during the work of a grinding machine, two sides of the object are fixed in position by arranging a fixing groove, and then the other two sides of the object are fixed by the clamping device, so that the periphery of the object is fixed, and the positioning stability of the object is improved, so as to solve the problems in the prior art.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: a positioning device of a precision bearing roller numerically controlled grinder, comprising: the grinding machine workbench, the inner surface wall of the grinding machine workbench is movably inserted with a threaded rod A, the outer surface wall of the threaded rod A is rotatably sleeved with a moving block A, the outer surface wall of the moving block A is movably inserted with an inner surface wall of the grinding machine workbench, the inner surface wall of the moving block A is movably inserted with a threaded rod B, the outer surface wall of the threaded rod B is rotatably sleeved with a moving block B, the outer surface wall of the moving block B is movably inserted with an inner surface wall of the moving block A, the top of the moving block B is provided with a positioning groove, both sides of the inner wall of the positioning groove are fixedly inserted with electric telescopic rods A, the bottoms of the inner walls of the positioning groove are respectively provided with a groove, both sides of the inner wall of the groove are fixedly inserted with electric telescopic rods B, both sides of the output end of the electric telescopic rods B are fixedly provided with clamping plates B, by arranging the electric telescopic rods A and B and the clamping plates A and B, putting the object into the groove of the positioning groove, firstly starting the two electric telescopic rods A, the electric telescopic rods A can drive the two clamping plates A to clamp and position two sides of the object, then starting the two electric telescopic rods B, the electric telescopic rods B can drive the two clamping plates B to clamp and position the other two sides of the object, so that the four sides of the object are positioned, the object cannot easily move, the stability of the positioning device in positioning the object is increased, the problem that the bearing plate of the device in the prior art is of an arc structure, is only suitable for positioning cylindrical objects, cannot be positioned for irregular or rectangular objects, only can clamp and position two sides of the object, and the other two sides are not positioned, the problem that the article falls out of the clamping device due to unstable clamping during the operation of the grinding machine is likely.

Preferably, the front surface and the back surface of the inner wall of the positioning groove are provided with sliding grooves A, two sliding blocks A are fixedly installed on two sides of the outer wall of each clamping plate A, the outer surface walls of two of the four sliding blocks A are movably embedded into the inner surface wall of one of the two sliding grooves A respectively, the front surface and the back surface of the inner wall of each groove are provided with sliding grooves B, two sliding blocks B are fixedly installed on two outer walls of the clamping plates B respectively, and the outer surface walls of two of the four sliding blocks B are movably embedded into the inner surface wall of one of the two sliding grooves B respectively, so that when the electric telescopic rod B and the electric telescopic rod A move the clamping plates B and the clamping plates A, the clamping plates B and the clamping plates A are limited.

Preferably, rolling grooves are formed in two sides of the inside of the moving block A, two rollers are arranged on two sides of the inner wall of the moving block B, and the outer surface walls of two of the four rollers are movably embedded into the inner surface wall of one of the two rolling grooves respectively, so that friction force between the moving block B and the moving block A is reduced when the moving block B is convenient to move.

Preferably, the motor supporting table is fixedly inserted into the inner surface wall of the moving block A, the motor B is fixedly inserted into one side of the outer wall of the motor supporting table, and the output end of the motor B is fixedly connected with one end of the outer wall of the threaded rod B, so that the moving block B can be conveniently moved in the inner surface wall of the moving block A.

Preferably, the motor A is fixedly inserted on one side of the outer wall of the grinding machine workbench, the output end of the motor A penetrates through one side of the inner wall of the grinding machine workbench, the output end of the motor A is fixedly connected with one end of the outer wall of the threaded rod A, the motor protection shell is fixedly arranged on one side of the outer wall of the grinding machine workbench, the inner surface wall of the motor protection shell is fixedly sleeved on the outer surface wall of the motor A, the moving block A is convenient to move in the grinding machine workbench, and meanwhile, the motor protection shell can protect the motor A from being damaged by waste scraps generated during the operation of the grinding machine.

Preferably, a group of table legs are fixedly arranged at the bottom of the grinding machine workbench, so that the grinding machine workbench is conveniently placed on the ground.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. according to the utility model, the electric telescopic rods A, the electric telescopic rods B and the clamping plates A and B are arranged, the objects are placed in the grooves of the positioning grooves, the two electric telescopic rods A are started firstly, the electric telescopic rods A drive the two clamping plates A to clamp and position two sides of the objects, then the two electric telescopic rods B are started again, the electric telescopic rods B drive the two clamping plates B to clamp and position the other two sides of the objects, so that the four sides of the objects are positioned, the objects cannot easily move, the stability of positioning the objects by the positioning device is improved, and therefore the problem that in the prior art, the bearing plate of the device is of an arc structure and is only suitable for positioning cylindrical objects, and cannot be positioned for some irregular or rectangular objects, and only can clamp and position two sides of the objects, and the other two sides cannot be positioned, so that the objects possibly fall out of the clamping device due to unstable clamping during the operation of the grinding machine is solved.

2. According to the utility model, through the arrangement of the sliding chute B and the sliding block B as well as the sliding chute A and the sliding block A, when the electric telescopic rod B and the electric telescopic rod A move the clamping plate B and the clamping plate A, the clamping plate B and the clamping plate A are limited, when the moving block B is convenient to move, friction force between the moving block B and the moving block A is reduced, and through the arrangement of the motor supporting table and the motor B, the moving block B is convenient to move in the inner surface wall of the moving block A, and through the arrangement of the motor A and the motor protective shell, the moving block A is convenient to move in the grinding machine workbench, and meanwhile, the motor protective shell can protect the motor A from being damaged by scraps generated during the operation of the grinding machine, and through the arrangement of the table legs, the grinding machine workbench is convenient to place on the ground.

Drawings

FIG. 1 is a perspective view of a front view structure of a positioning device of a precision bearing roller numerically controlled grinder according to the present utility model;

FIG. 2 is a perspective view of the internal cross-sectional structure of a grinding machine workbench part in a positioning device of a precision bearing roller numerically controlled grinding machine according to the utility model;

FIG. 3 is a perspective view of a part of a moving block B in a positioning device of a precision bearing roller numerically controlled grinder;

FIG. 4 is a perspective view of a side cross-sectional structure of a part of a moving block B in a positioning device of a precision bearing roller numerically controlled grinder according to the present utility model;

fig. 5 is a perspective view of a top cross-sectional structure of a moving block B in a positioning device of a precision bearing roller numerically controlled grinder according to the present utility model.

Legend description: 1. a grinding machine workbench; 2. a threaded rod A; 3. a moving block A; 4. a threaded rod B; 5. a moving block B; 6. a positioning groove; 7. an electric telescopic rod A; 8. a clamping plate A; 9. a groove; 10. an electric telescopic rod B; 11. a clamping plate B; 12. a chute B; 13. a sliding block B; 14. a chute A; 15. a sliding block A; 16. a rolling groove; 17. a roller; 18. a motor support; 19. a motor B; 20. a motor A; 21. a motor protective housing; 22. and a table leg.

Detailed Description

In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.

1-5, the utility model provides a positioning device of a precision bearing roller numerical control grinding machine, which comprises a grinding machine workbench 1, wherein a threaded rod A2 is movably inserted into the inner surface wall of the grinding machine workbench 1, a moving block A3 is sleeved on the outer surface wall of the threaded rod A2 in a rotating manner, a threaded rod B4 is movably inserted into the inner surface wall of the grinding machine workbench 1, a moving block B5 is sleeved on the outer surface wall of the threaded rod B4 in a rotating manner, the outer surface wall of the moving block B5 is movably inserted into the inner surface wall of the moving block A3, a positioning groove 6 is formed in the top of the moving block B5, electric telescopic rods A7 are fixedly inserted into the two sides of the inner wall of the positioning groove 6, clamping plates A8 are fixedly connected to the output ends of the two electric telescopic rods A7, a groove 9 is formed in the bottom of the inner wall of the positioning groove 6, electric telescopic rods B10 are fixedly inserted into the two sides of the inner wall of the groove 9, and clamping plates B11 are fixedly installed at the output ends of the two electric telescopic rods B10.

The effect that its whole embodiment 1 reached is, through setting up electric telescopic handle A7 and electric telescopic handle B10 and splint A8 and splint B11, put into the recess 9 of constant head tank 6 with the article, start two electric telescopic handle A7 earlier, electric telescopic handle A7 can drive two splint A8 and press from both sides tight location with two faces of article, then start two electric telescopic handle B10 again, electric telescopic handle B10 can drive two splint B11 and press from both sides tight location with other two faces of article, make four faces of article all be fixed a position, can not remove easily, the stability of positioner to the article location has been increased, thereby the adapting plate of device among the prior art is circular arc structure, only be fit for carrying out the location to cylindrical article, then can't be fixed a position to some irregular or rectangular articles, and the device can only press from both sides tight location to the both sides of article, and both sides do not have the location in addition, the grinding machine during operation probably because of centre gripping unstability leads to the article to drop out the problem outside the clamping device.

In the embodiment 2, as shown in fig. 1-5, the front surface and the back surface of the inner wall of the positioning groove 6 are both provided with sliding grooves a14, two sides of the outer wall of the two clamping plates A8 are both fixedly provided with sliding blocks a15, two outer surface walls of the four sliding blocks a15 are respectively movably embedded in the inner surface wall of one of the two sliding grooves a14, the front surface and the back surface of the inner wall of the groove 9 are both provided with sliding grooves B12, two outer wall of the two clamping plates B11 are both fixedly provided with sliding blocks B13, two outer surface walls of the four sliding blocks B13 are respectively movably embedded in the inner surface wall of one of the two sliding grooves B12, two inner sides of the moving block A3 are both provided with rolling grooves 16, two inner wall sides of the moving block B5 are both provided with two rolling wheels 17, and the outer surface wall of two of the four rollers 17 is movably embedded in the inner surface wall of one of the two rolling grooves 16 respectively, a motor support table 18 is fixedly inserted in the inner surface wall of the moving block A3, a motor B19 is fixedly inserted in one side of the outer wall of the motor support table 18, the output end of the motor B19 is fixedly connected with one end of the outer wall of the threaded rod B4, a motor A20 is fixedly inserted in one side of the outer wall of the grinding machine table 1, the output end of the motor A20 penetrates one side of the inner wall of the grinding machine table 1, the output end of the motor A20 is fixedly connected with one end of the outer wall of the threaded rod A2, a motor protection shell 21 is fixedly installed on one side of the outer wall of the grinding machine table 1, the inner surface wall of the motor protection shell 21 is fixedly sleeved on the outer surface wall of the motor A20, and a group of table legs 22 are fixedly installed at the bottom of the grinding machine table 1.

The effect that its whole embodiment 2 reached is, through setting up spout B12 and slider B13 and spout A14 and slider A15, be convenient for when electric telescopic handle B10 and electric telescopic handle A7 remove splint B11 and splint A8, spacing splint B11 and splint A8, when being convenient for remove movable block B5 through setting up rolling groove 16 and gyro wheel 17, reduce the frictional force between movable block B5 and the movable block A3, through setting up motor brace table 18 and motor B19, be convenient for remove movable block B5 in movable block A3's interior table wall, through setting up motor A20 and motor protective housing 21, be convenient for remove movable block A3 in grinding machine table 1, motor protective housing 21 can protect motor A20 can not be by the sweeps that produce when the grinding machine work cause the damage simultaneously, through setting up table leg 22, be convenient for let grinding machine table 1 place subaerial.

The working principle of the whole device is as follows: firstly, lift up the grinding machine workbench 1 through table leg 22, then place the article in the recess 9 of constant head tank 6, start two electric telescopic handle B10 and electric telescopic handle A7, the effort that produces at electric telescopic handle B10 and electric telescopic handle A7 work drives two splint B11 and two splint A8 respectively and removes to the article, because spout A14 and slider A15 and spout B12 and slider B13's cooperation is down spacing splint A8 and splint B11 respectively, can guarantee splint A8 and splint B11 and can move to the article orientation under spacing circumstances, produce the extrusion force after contacting the article, thereby extrude the location simultaneously to four sides of article, if need let the article move about, then can start motor B19, drive threaded rod B4 under the effect of motor B19 work, drive movable block B5 and move about movable block A3 under the structure of threaded rod B4 external screw thread, simultaneously rolling groove 16 and gyro wheel 17's setting can reduce movable block A3 and movable block B5 friction piece B5 and can reduce the frictional force that moves between movable block A3 and movable block B5 and make things rotate under the effect of threaded rod B3 and drive threaded rod B2 and make the rotary table 20 after the rotary table is required to move, if the threaded rod A2 is driven to rotate the external thread structure is required to be moved about.

The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.

Claims (6)

1. A positioning device of a precision bearing roller numerical control grinding machine is characterized in that: including grinding machine table (1), the interior table wall activity of grinding machine table (1) is inserted and is equipped with threaded rod A (2), the outward appearance wall swivel mount of threaded rod A (2) is equipped with movable block A (3), and the outward appearance wall activity of movable block A (3) is inserted and is established at the interior table wall of grinding machine table (1), the interior table wall activity of movable block A (3) is inserted threaded rod B (4), the outward appearance wall swivel mount of threaded rod B (4) is equipped with movable block B (5), and the outward appearance wall activity of movable block B (5) is inserted and is established at the interior table wall of movable block A (3), constant head tank (6) have been seted up at the top of movable block B (5), the equal fixed connection of inner wall both sides of constant head tank (6) has electric telescopic handle A (7), two the output of electric telescopic handle A (7) all fixedly connected with splint A (8), recess (9) have been seted up to the inner wall bottom of constant head tank A (3), the equal fixed connection of inner wall both sides of recess (9) has electric telescopic handle B (10), two electric telescopic handle B (10) have the output of two telescopic handle B (11) all fixed with the output clamp plate (11).

2. The positioning device of the precision bearing roller numerically controlled grinder as in claim 1, wherein: the front surface and the back surface of constant head tank (6) inner wall have all been seted up spout A (14), two the outer wall both sides of splint A (8) all fixed mounting has slider A (15), and four outer surface wall of slider A (15) wherein two respectively the activity inlay establish at the interior surface wall of two spouts A (14), spout B (12) have all been seted up to the front surface and the back surface of the inner wall of recess (9), two the outer wall of splint B (11) is two equal fixed mounting have slider B (13), and four outer surface wall of slider B (13) two respectively the activity inlay establish at the interior surface wall of two spouts B (12).

3. The positioning device of the precision bearing roller numerically controlled grinder as in claim 1, wherein: the rolling grooves (16) are formed in two sides of the inside of the moving block A (3), two rollers (17) are arranged on two sides of the inner wall of the moving block B (5), and the outer surface walls of two of the four rollers (17) are respectively and movably embedded in the inner surface wall of one of the two rolling grooves (16).

4. The positioning device of the precision bearing roller numerically controlled grinder as in claim 1, wherein: the motor support table (18) is fixedly inserted into the inner surface wall of the moving block A (3), the motor B (19) is fixedly inserted into one side of the outer wall of the motor support table (18), and the output end of the motor B (19) is fixedly connected with one end of the outer wall of the threaded rod B (4).

5. The positioning device of the precision bearing roller numerically controlled grinder as in claim 1, wherein: the motor A (20) is fixedly inserted on one side of the outer wall of the grinding machine workbench (1), the output end of the motor A (20) penetrates through one side of the inner wall of the grinding machine workbench (1), the output end of the motor A (20) is fixedly connected with one end of the outer wall of the threaded rod A (2), the motor protection shell (21) is fixedly installed on one side of the outer wall of the grinding machine workbench (1), and the inner surface wall of the motor protection shell (21) is fixedly sleeved on the outer surface wall of the motor A (20).

6. The positioning device of the precision bearing roller numerically controlled grinder as in claim 1, wherein: a group of table legs (22) are fixedly arranged at the bottom of the grinding machine workbench (1).

Images