CN216030178U

CN216030178U - Quick clamping device for grinding machine

Info

Publication number: CN216030178U
Application number: CN202122743031.4U
Authority: CN
Inventors: 申展云
Original assignee: Zhongshan Kaibo Metal Products Co ltd
Current assignee: Zhongshan Kaibo Metal Products Co ltd
Priority date: 2021-11-10
Filing date: 2021-11-10
Publication date: 2022-03-15
Anticipated expiration: 2031-11-10

Abstract

The utility model relates to the technical field of machining equipment, in particular to a quick clamping device for a grinding machine; the motor-driven transmission device comprises a base, wherein a motor is clamped on the left side of the upper end surface of the base, a fixed disc is in interference fit with the output end of the motor, three first grooves are formed in the fixed disc, first sliding blocks are in sliding fit in the three first grooves, the end surfaces, far away from the motor, of the three first sliding blocks are fixedly connected with fixed blocks, the end surfaces, far away from the fixed blocks, of the three first sliding blocks are hinged with transmission rods, the end surfaces, far away from the first sliding blocks, of the three transmission rods are hinged with sleeves, the sleeves are sleeved on a motor output drawer, first threads are formed in the outer walls of the sleeves, and bolts meshed with the first threads are arranged on the outer walls of the sleeves; according to the utility model, the fixed block capable of automatically centering and clamping the workpiece along with the rotation of the motor is arranged, and the matching frame for stabilizing the workpiece is arranged, so that the process of clamping the workpiece by the grinding machine is effectively reduced, and the working efficiency of the grinding machine is effectively improved.

Description

Quick clamping device for grinding machine

Technical Field

The utility model relates to the technical field of machining equipment, in particular to a quick clamping device for a grinding machine.

Background

The grinding machine is a machine tool for grinding the surface of a workpiece by using a grinding tool, most grinding machines use a grinding wheel rotating at a high speed for grinding, and a small number of grinding machines use other grinding tools such as oilstones and abrasive belts and free abrasives for processing, such as honing machines, superfinishing machines, abrasive belt grinding machines, polishing machines and the like.

SUMMERY OF THE UTILITY MODEL

Solves the technical problem

Aiming at the defects in the prior art, the utility model provides a quick clamping device for a grinding machine, which can effectively solve the problem of inconvenience in clamping raw materials in the prior art.

Technical scheme

In order to achieve the purpose, the utility model is realized by the following technical scheme:

the utility model provides a quick clamping device for a grinding machine, which comprises a base, wherein a motor is clamped on the left side of the upper end surface of the base, the output end of the motor is in interference fit with a fixed disc, the fixed disc is provided with three first grooves, first sliders are in sliding fit in the three first grooves, the end surfaces, far away from the motor, of the three first sliders are fixedly connected with fixed blocks, the end surfaces, far away from the fixed blocks, of the three first sliders are hinged with transmission rods, the end surfaces, far away from the first sliders, of the three transmission rods are hinged with sleeves, the sleeves are sleeved on a motor output drawer, the outer wall of each sleeve is provided with first threads, the outer wall of each sleeve is provided with a bolt meshed with the first threads, and the upper end surface of the base is fixedly connected with a first limiting block in sliding fit with the bolt.

Furthermore, the cross sections of the three first grooves and the cross section of the first sliding block are both cross-shaped, and two grooves of the cross-shaped first grooves are respectively parallel to and perpendicular to the fixed disc; through the shape that sets up first recess to make first slider can not break away from first recess when sliding in first recess, and then realize spacing the part at first slider both ends.

Furthermore, the end surfaces, far away from the fixed block, of the three first sliding blocks are fixedly connected with first connecting blocks, the three first connecting blocks are hinged with transmission rods, the end surfaces, far away from the first sliding blocks, of the three transmission rods are hinged with second connecting blocks, and the three second connecting blocks are fixedly connected to the outer wall of the sleeve; through setting up first connection block and second connection block to realize first slider of transfer line joint and sleeve pipe, and then make when the sleeve pipe is close to or keeps away from the fixed disk, first slider can realize pressing from both sides tightly and relaxing the work piece.

Furthermore, a first through hole in sliding fit with the bolt is formed in the first limiting block, a blocking piece is arranged at the end part, close to the fixed disc, in the first through hole, a plurality of balls are embedded in the end face, close to the bolt, of the blocking piece, and a second limiting block is arranged at the end part, far away from the fixed disc, in the first through hole in interference fit with the end part; through setting up separation blade and ball to when making the bolt rotate along with the motor output shaft after reacing operating position, it is spacing by the separation blade, and the ball can reduce the friction between bolt and the separation blade.

Furthermore, the first limiting block is provided with a second through hole, the bolt is provided with a third through hole corresponding to the second through hole, and a third limiting block is in sliding fit in the second through hole; through setting up second through-hole and third through-hole to make when using the third stopper to carry on spacingly to the bolt, the sleeve pipe begins to do the action of twisting in or twisting out relatively motor output shaft, realizes the tight action of clamp or unclamp of fixed block to the work piece promptly, when the third stopper is not spacing to the bolt, then the bolt rotates along with motor output shaft, and then realizes that the fixed block keeps unchangeable to the work piece centre gripping dynamics.

Furthermore, a plurality of second grooves are formed in the upper end face of the base, second sliding blocks are matched in the second grooves in a sliding mode, matching frames are fixedly connected to the upper end faces of the second sliding blocks, and ejector rods are fixedly connected to the end faces, close to the fixed disc, of the matching frames; through setting up cooperation frame and ejector pin to realize being fixed the back by the fixed block when the work piece, the ejector pin can carry out spacing and support to the other end of work piece, and then improves the processing stability of work piece.

Furthermore, a third groove parallel to the second groove is formed in the lower end face of the base, a fourth groove communicated with the third groove is formed in the base, a third sliding block is in sliding fit in the third groove, a threaded rod in sliding fit with the fourth groove is fixedly connected to the upper end of the third sliding block, a threaded through hole meshed with the threaded rod is formed in the matching frame, the top end of the threaded rod is higher than the top end of the matching frame, and a handle is fixedly connected to the top end of the threaded rod; through setting up third recess and third slider to make after the cooperation frame removes the work position, through screwing up the threaded rod, make third slider and third recess carry out interference fit, and then realize fixed spacing to the cooperation frame.

Advantageous effects

Compared with the known public technology, the technical scheme provided by the utility model has the following beneficial effects:

according to the utility model, the fixed block capable of automatically centering and clamping the workpiece along with the rotation of the motor is arranged, and the matching frame for stabilizing the workpiece is arranged, so that the process of clamping the workpiece by the grinding machine is effectively reduced, and the working efficiency of the grinding machine is effectively improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the utility model, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

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

FIG. 2 is a right-side view of the overall structure of the present invention;

FIG. 3 is a schematic front view of the overall structure of the present invention;

FIG. 4 is a schematic cross-sectional view taken along A-A' of the overall structure of the present invention;

FIG. 5 is a partial cross-sectional view of the integral construction of the mounting plate of the present invention in elevation;

FIG. 6 is an enlarged view of the entire structure of the front view fixing plate of the present invention at section B;

the reference numerals in the drawings denote: 1. a base; 2. a motor; 3. fixing the disc; 4. a first groove; 5. a first slider; 6. a fixed block; 7. a transmission rod; 8. a sleeve; 9. a first thread; 10. a bolt; 11. a first stopper; 12. a first engagement block; 13. a second engagement block; 14. a first through hole; 15. a baffle plate; 16. a ball bearing; 17. a second limiting block; 18. a second through hole; 19. a third through hole; 20. a third limiting block; 21. a second groove; 22. a second slider; 23. a fitting frame; 24. a top rod; 25. a third groove; 26. a fourth groove; 27. a third slider; 28. a threaded rod; 29. a threaded through hole; 30. a handle.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The present invention will be further described with reference to the following examples.

Example (b):

the utility model provides a quick clamping device for a grinding machine, which comprises a base 1, wherein a motor 2 is clamped on the left side of the upper end surface of the base 1, a fixed disc 3 is in interference fit with the output end of the motor 2, the fixed disc 3 is preferably made of steel, the diameter of the fixed disc 3 is not more than 15 cm, the fixed disc 3 is provided with three first grooves 4, the three first grooves 4 are uniformly distributed on the fixed disc 3, first sliders 5 are respectively matched in the three first grooves 4 in a sliding manner, the end surfaces, far away from the motor 2, of the three first sliders 5 are fixedly connected with fixed blocks 6, the fixed blocks 6 are closer to the central axis of the fixed disc 3 than the first sliders 5, workpieces can be clamped by the three fixed blocks 6 through the fixed blocks 6, transmission rods 7 are hinged to the end surfaces, far away from the fixed blocks 6, of the three first sliders 5 are hinged to the sleeve 8, 8 covers of sleeve are established and are taken out at 2 outputs of motor, through articulated transfer line 5 between first slider 5 and the sleeve 8, thereby make when sleeve 8 moves, first slider 5 can carry out the motion of relative fixed disk 3 the central axis along first recess 4, and then realize the clamp tightly of fixed block 6 to the work piece, first screw thread 9 has been seted up to the outer wall of sleeve 8, the outer wall of sleeve 8 is provided with the bolt 10 with first screw thread 9 meshing, cooperation through first screw thread 9 and bolt 10, thereby make the sleeve can be at the uniform velocity move, and then the even central axis motion to fixed disk 3 of three fixed block 6 of low, then realize the self-centering action to the work piece, base 1's up end fixedly connected with and bolt 10 sliding fit's first stopper 11, stopper 11 can carry out stable supporting role when bolt 10 works.

The cross sections of the three first grooves 4 and the cross section of the first sliding block 5 are both cross-shaped, and two grooves of the cross-shaped first grooves 4 are respectively parallel to and perpendicular to the fixed disc 3; through the shape that sets up first recess 4 to make first slider 5 can not break away from first recess 4 when sliding in first recess 4, and then realize spacing the part at first slider both ends.

The end faces, far away from the fixed block 6, of the three first sliding blocks 5 are fixedly connected with first connecting blocks 12, the three first connecting blocks 12 are hinged with transmission rods 7, the end faces, far away from the first sliding blocks 5, of the three transmission rods 7 are hinged with second connecting blocks 13, and the three second connecting blocks 13 are fixedly connected to the outer wall of the sleeve 8; through setting up first joint piece 12 and second joint piece 13 to realize the first slider 5 of transfer line 7 joint and sleeve pipe 8, and then make when sleeve pipe 8 is close to or keeps away from fixed disk 3, first slider 5 can realize pressing from both sides tight and relax the work piece.

The first limiting block 11 is provided with a second through hole 18, the bolt 10 is provided with a third through hole 19 corresponding to the second through hole 18, and a third limiting block 20 is in sliding fit in the second through hole 18; through setting up second through-hole 18 and third through-hole 19 to make when using third stopper 20 to carry out spacingly to bolt 10, sleeve pipe 8 begins to do the action of screwing in or unscrewing relative motor 2 output shaft, realizes promptly that fixed block 6 presss from both sides tightly or unclamps the action to the work piece, when third stopper 20 does not carry out spacingly to bolt 10, then bolt 10 rotates along with motor 2 output shaft together, and then realizes that fixed block 6 keeps unchangeable to the work piece centre gripping dynamics.

The first limiting block 11 is provided with a first through hole 14 in sliding fit with the bolt 10, a blocking piece 15 is arranged at the end part, close to the fixed disc 3, in the first through hole 14, a plurality of rolling balls 16 are embedded in the end face, close to the bolt 10, of the blocking piece 15, and a second limiting block 17 is in interference fit with the end part, far away from the fixed disc 3, in the first through hole 14; through the baffle plate 15 and the ball 16, when the bolt 10 rotates along with the output shaft of the motor 2 after reaching the working position, the bolt is limited by the baffle plate 15, and the ball 16 can reduce friction between the bolt 10 and the baffle plate 15.

The upper end surface of the base 1 is provided with a plurality of second grooves 21, second sliding blocks 22 are in sliding fit in the second grooves 21, the upper end surface of each second sliding block 22 is fixedly connected with a matching frame 23, and the end surface, close to the fixed disk 3, of each matching frame 23 is fixedly connected with a mandril 24; through setting up cooperation frame 23 and ejector pin 24 to realize being fixed the back by fixed block 6 when the work piece, ejector pin 24 can carry out spacing and support to the other end of work piece, and then improves the processing stability of work piece.

A third groove 25 parallel to the second groove 21 is formed in the lower end face of the base 1, a fourth groove 26 communicated with the third groove 25 is formed in the base 1, a third sliding block 27 is in sliding fit with the third groove 25, a threaded rod 28 in sliding fit with the fourth groove 26 is fixedly connected to the upper end of the third sliding block 27, a threaded through hole 29 meshed with the threaded rod 28 is formed in the fit frame 23, the top end of the threaded rod 28 is higher than the top end of the fit frame 23, and a handle 30 is fixedly connected to the top end of the threaded rod 28; through setting up third recess 25 and third slider 27 to make after the cooperation frame 23 removes the work position, through screwing up threaded rod 28, make third slider 27 and third recess 25 carry out interference fit, and then realize the fixed spacing to cooperation frame 23.

The working principle is as follows: when the device clamps a workpiece needing to be subjected to external circle grinding, the second through hole 18 and the third through hole 19 are connected through the third limiting block 20, so that the bolt 10 is limited, the fixed disc 3 is rotated by hands, the bolt 10 is fixed at the moment, the sleeve 8 starts to be screwed up relative to the bolt 10, the fixed block 6 hinged with the sleeve 8 starts to move towards the central axis of the fixed disc 3, when the fixed block moves to a position slightly larger than the external diameter of the workpiece, the workpiece is placed between the three fixed blocks 6, the fixed disc 3 is rotated to enable the fixed block 6 to completely clamp the workpiece, then the handle 30 is screwed to enable the matching frame 23 to move, the matching frame 23 moves towards the workpiece, the ejector rod 24 is enabled to be pushed to a process groove of the workpiece, then the handle 30 is screwed to enable the third sliding block 27 to be in interference fit with the third groove 25, at the moment, the matching frame 23 is fixed, the third limiting block 20 is taken out, the motor 2 is started, at the moment, the rotation of the motor 2 enables the bolt 10 to move towards the screwing direction all the time, but the bolts 10 are not fixed, so the bolts 10 will only move slightly towards the fixed plate 3, the bolt 10 is limited under the blocking of the blocking piece 15, and then through the rolling fit of the ball 16, the bolt 10 is always in a fixed position, even if the fixed block 6 is always in a stable state for clamping the workpiece, after the machining is finished, the third sliding block 27 is only required to be inserted into the second through hole 18, the fixed disc 3 is rotated again, the third sliding block 27 is connected with the third through hole 19 and the second through hole 18, the fixed disc 3 is rotated in the opposite direction by the motor 2, then the fixed block 6 loosens the workpiece, and the matching frame 23 is withdrawn.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and the modifications or the substitutions do not cause the essence of the corresponding technical solutions to depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a quick clamping device for grinding machine, includes base (1), its characterized in that, the left side joint of base (1) up end has motor (2), the output interference fit of motor (2) has fixed disk (3), three first recess (4) have been seted up in fixed disk (3), three equal sliding fit has first slider (5) in first recess (4), three the terminal surface that motor (2) were kept away from in first slider (5) all fixedly connected with fixed block (6), three the terminal surface that fixed block (6) were kept away from in first slider (5) all articulates there is transfer line (7), three the terminal surface that first slider (5) were kept away from in transfer line (7) articulates there is sleeve (8), sleeve (8) cover is established and is taken out motor (2), first screw thread (9) have been seted up to the outer wall of sleeve (8), the outer wall of sleeve (8) is provided with bolt (10) with first screw thread (9) meshing, the up end fixedly connected with of base (1) and bolt (10) sliding fit's first stopper (11).

2. The quick clamping device for the grinding machine as claimed in claim 1, characterized in that the cross sections of the three first grooves (4) and the first sliding block (5) are cross-shaped, and two grooves of the cross-shaped first grooves (4) are respectively parallel and perpendicular to the fixed disc (3).

3. The quick clamping device for the grinding machine is characterized in that the end faces, far away from the fixed block (6), of the three first sliding blocks (5) are fixedly connected with first engagement blocks (12), the three first engagement blocks (12) are hinged to transmission rods (7), the end faces, far away from the first sliding blocks (5), of the three transmission rods (7) are hinged to second engagement blocks (13), and the three second engagement blocks (13) are fixedly connected to the outer wall of the sleeve (8).

4. The quick clamping device for the grinding machine as claimed in claim 1, wherein a first through hole (14) in sliding fit with the bolt (10) is formed in the first limiting block (11), a blocking piece (15) is arranged at the end portion, close to the fixed disk (3), in the first through hole (14), a plurality of balls (16) are embedded in the end face, close to the bolt (10), of the blocking piece (15), and a second limiting block (17) is arranged at the end portion, far away from the fixed disk (3), in the first through hole (14) in an interference fit manner.

5. The quick clamping device for the grinding machine as claimed in claim 1, wherein the first limiting block (11) is provided with a second through hole (18), the bolt (10) is provided with a third through hole (19) corresponding to and identical to the second through hole (18), and a third limiting block (20) is slidably fitted in the second through hole (18).

6. The quick clamping device for the grinding machine as claimed in claim 1, characterized in that a plurality of second grooves (21) are formed in the upper end surface of the base (1), second sliding blocks (22) are slidably fitted in the second grooves (21), a fitting frame (23) is fixedly connected to the upper end surface of the second sliding blocks (22), and a mandril (24) is fixedly connected to the end surface of the fitting frame (23) close to the fixed disk (3).

7. The quick clamping device for the grinding machine as claimed in claim 6, wherein a third groove (25) parallel to the second groove (21) is formed in the lower end face of the base (1), a fourth groove (26) communicated with the third groove (25) is formed in the base (1), a third sliding block (27) is arranged in the third groove (25) in a sliding fit mode, a threaded rod (28) in sliding fit with the fourth groove (26) is fixedly connected to the upper end of the third sliding block (27), a threaded through hole (29) meshed with the threaded rod (28) is formed in the fitting frame (23), the top end of the threaded rod (28) is higher than the top end of the fitting frame (23), and a handle (30) is fixedly connected to the top end of the threaded rod (28).