Grinding machine cutter clamping device

Abstract

The utility model relates to the field of grinding machines, in particular to a grinding machine cutter clamping device which comprises a machine box, and heat dissipation holes are formed in the surface of one side of the machine box. According to the grinding machine cutter clamping device, through the arrangement of the connecting base, the fixing disc, the connecting block, the bearing, the outer sleeve, the connecting frame, the bolt, the nut, the nut and the cutter head, when the whole clamping device is assembled and disassembled, the connecting block is inserted into the connecting base for limiting and fixing, and then the outer sleeve rotates outside the connecting block; the connecting frame is rotated to be flush with the threaded groove in the fixing disc, then the bolt and the nut are matched to penetrate through the connecting frame and the fixing disc, the whole connecting block is fixed, the stability of the connecting block in the rotating process is enhanced, meanwhile, disassembly and assembly are convenient, and the cutter head is also convenient and rapid to disassemble and assemble; and the whole clamping device is convenient to disassemble and replace, so that the practicability of the whole device is improved.

Description

Technical Field

[0001] The utility model relates to the field of grinders, in particular to a tool clamping device for a grinder. Background Art

[0002] A grinder is a machine tool that uses abrasive tools to grind the surface of a workpiece. A grinder can use a high-speed rotating grinding wheel for grinding, or a drill-type tool for precision grinding of the workpiece. When the tool is working on the grinder, the tool itself needs to be clamped and fixed, so a clamping device is needed to clamp the tool to improve the stability of the tool.

[0003] After searching, a utility model tool clamping device for CNC machine tools with the publication number CN218592340U includes a mounting seat, three groups of clamping blocks are slidably mounted in the middle of the top of the mounting seat, a base is arranged in the middle of the top of the mounting seat, the base is located in the middle of the lower side of the clamping block, a screw rod is rotatably mounted in the middle of the lower side of the clamping block, a motor is arranged in the middle of the outer end of the screw rod, a rotating block is rotatably mounted in the middle of the end of the screw rod, the rotating block is fixedly mounted in the middle of the side of the base, multiple groups of slide grooves are arranged in the middle of the top of the mounting seat, the slide grooves are located below the screw rod, the bottom of the clamping block is slidably mounted in the middle of the inner side of the slide groove, multiple groups of pulleys are rotatably mounted in the middle of the bottom end of the clamping block, the pulleys are slidably connected with the slide grooves, and an annular baffle is arranged in the middle of the top of the mounting seat, and the baffle is located at the outer end of the clamping block. The utility model rotates the screw rod through the motor, thereby driving the clamping block to slide toward the center point of the top of the mounting seat, thereby realizing the peripheral clamping and fixing of the tool.

[0004] In the above patent, when using the machine tool for processing, the tool needs to be clamped and fixed. However, the clamping device in this patent is an integrated setting, and the interior of the integrated clamping device is not convenient for disassembly, maintenance and replacement. When parts need to be replaced inside the clamping device, the entire clamping device can only be replaced. At the same time, disassembly and replacement are also more troublesome, which not only wastes time, but also increases cost, which is not conducive to use.

[0005] Therefore, it is necessary to invent a tool clamping device for a grinding machine to solve the above problems. Utility Model Content

[0006] The purpose of the utility model is to provide a tool clamping device for a grinding machine to solve the problems raised in the above background technology.

[0007] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a tool clamping device for a grinding machine comprises a chassis, one side surface of the chassis is provided with heat dissipation holes, a driving motor is fixedly arranged inside the chassis, a transmission rod is fixedly installed at one end of the driving motor, a connecting seat is fixedly installed on one side of the transmission rod, a fixing plate is fixedly installed on one side of the chassis, a threaded groove is opened on one side surface of the fixing plate, a connecting block is movably connected to one side of the connecting seat, a bearing is arranged on the outside of the connecting block, a sleeve is fixedly installed on the outside of the bearing, a connecting frame is fixedly installed on one side of the sleeve, a bolt is movably connected to the inside of the connecting frame, a nut is movably connected to the outside of the bolt, an external thread is arranged on the outside of one end of the connecting block, a nut is movably connected to the outside of the connecting block, an internal thread is arranged on the inside of the nut, a pushing portion is arranged on the inside of the nut, and a tool head is movably connected to the inside of the nut.

[0008] Preferably, a slot is provided on one side surface of the connecting seat, and an insert rod is fixedly connected to one side of the connecting block, and the insert rod is used in conjunction with the slot.

[0009] Preferably, a first limiting block is fixedly mounted on one side of the connecting seat, a first limiting groove is formed on one side surface of the connecting block, and the first limiting block is used in conjunction with the first limiting groove.

[0010] Preferably, the connecting frame is fixed to one side of the outer sleeve, the bolts penetrate the connecting frame and the fixing plate respectively, and the fixing plate is threadedly connected to the outer sleeve.

[0011] Preferably, second limiting grooves are formed on both side surfaces of the inner part of the connection block, a second limiting block is movably connected inside the second limiting groove, and a pad is fixedly mounted on one side of the second limiting block.

[0012] Preferably, the connection block is provided with clamping jaws inside, and the outer surfaces of the clamping jaws are provided with grooves.

[0013] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0014] Through the arrangement of the connecting seat, the fixing plate, the connecting block, the bearing, the outer sleeve, the connecting frame, the bolts, the nuts, the nuts and the tool head, when the whole clamping device is installed and disassembled, the connecting block is inserted into the connecting seat for limited fixing, and then the outer sleeve is rotated outside the connecting block to rotate the connecting frame to be flush with the thread groove on the fixing plate, and then the bolts and nuts are used to penetrate the connecting frame and the fixing plate to fix the whole connecting block, thereby enhancing the stability of the connecting block during the rotation process and facilitating disassembly and assembly. The disassembly and assembly of the tool head is also convenient and quick, and the tool head is limited and clamped by tightening the nut outside the connecting block. Such an overall clamping device is easy to disassemble and replace, thereby improving the practicality of the overall device;

[0015] Through the arrangement of the connecting block, the pad, the clamping jaws, the groove, the nut, the internal thread, the pushing portion and the tool head, the tool head is inserted into the nut, and the pushing portion and the nut are integrated, and then the tool head passes through the clamping jaw, and the nut is rotated and tightened on the connecting block, so that one end of the tool head and the clamping jaw are in contact with the pad, and the pushing portion and the nut are integrated, so that during the tightening process, the pushing portion inside the nut squeezes one end of the clamping jaw and the tool head, thereby clamping and fixing the tool head. This clamping and fixing method has high strength and is also easy to disassemble and replace. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the connecting seat structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the connection structure between the connection seat and the connection block of the utility model;

[0020] Figure 4 This is a schematic diagram of the connection block structure of the utility model;

[0021] Figure 5 This is a schematic diagram of the backing plate and the clamping claw structure of the utility model;

[0022] Figure 6 It is a schematic diagram of the nut structure of the utility model.

[0023] Description of reference numerals:

[0024] 1. Chassis; 2. Heat dissipation holes; 3. Drive motor; 4. Transmission rod; 5. Connecting seat; 6. Fixed plate; 7. Threaded groove; 8. Slot; 9. First limit block; 10. Insert rod; 11. Connecting block; 12. First limit groove; 13. Bearing; 14. Jacket; 15. Connecting frame; 16. Bolt; 17. Nut; 18. External thread; 19. Second limit groove; 20. Second limit block; 21. Pad; 22. Clamp; 23. Groove; 24. Nut; 25. Internal thread; 26. Pushing part; 27. Tool head. DETAILED DESCRIPTION

[0025] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0026] The utility model provides Figure 1-6 A tool clamping device for a grinding machine shown in the figure comprises a chassis 1, a heat dissipation hole 2 is provided on one side surface of the chassis 1, a driving motor 3 is fixedly arranged inside the chassis 1, a transmission rod 4 is fixedly installed on one end of the driving motor 3, a connecting seat 5 is fixedly installed on one side of the transmission rod 4, a fixing plate 6 is fixedly installed on one side of the chassis 1, a threaded groove 7 is provided on one side surface of the fixing plate 6, a connecting block 11 is movably connected to one side of the connecting seat 5, a bearing 13 is provided on the outside of the connecting block 11, a jacket 14 is fixedly installed on the outside of the bearing 13, a connecting frame 15 is fixedly installed on one side of the jacket 14, a bolt 16 is movably connected to the inside of the connecting frame 15, and a nut is movably connected to the outside of the bolt 16 17. An external thread 18 is provided on the outside of one end of the connecting block 11, a nut 24 is movably connected to the outside of the connecting block 11, an internal thread 25 is provided inside the nut 24, a push portion 26 is provided inside the nut 24, and a tool head 27 is movably connected to the inside of the nut 24. First, the connecting block 11 is inserted into the connecting seat 5 for limited fixation, and then the outer sleeve 14 is rotated outside the connecting block 11 to rotate the connecting frame 15 to be flush with the thread groove 7 on the fixing plate 6, and then the bolt 16 and the nut 17 are cooperated to penetrate the connecting frame 15 and the fixing plate 6 to fix the entire connecting block 11, thereby enhancing the stability of the connecting block 11 during the rotation process and facilitating disassembly and assembly.

[0027] like Figure 1 and Figure 3 As shown, a slot 8 is provided on one side surface of the connecting seat 5, and an insertion rod 10 is fixedly connected to one side of the connecting block 11. The insertion rod 10 is used in conjunction with the slot 8. By inserting the insertion rod 10 at one end of the connecting block 11 into the slot 8 in the connecting seat 5, the connecting block 11 can be docked and assembled.

[0028] like Figure 1 , Figure 3 and Figure 4As shown, a first limit block 9 is fixedly installed on one side of the connecting seat 5, and a first limit groove 12 is opened on the surface of one side of the connecting block 11. The first limit block 9 and the first limit groove 12 are used in conjunction with each other. The first limit block 9 on one side of the connecting seat 5 is inserted into the first limit groove 12 on one side of the connecting block 11 for limiting and fixing, thereby improving the rotation stability of the connecting block 11.

[0029] like Figure 3 and Figure 4 As shown, the connecting frame 15 is fixed to one side of the outer sleeve 14, and the bolts 16 penetrate the connecting frame 15 and the fixing plate 6 respectively. The fixing plate 6 is threadedly connected to the outer sleeve 14. The arrangement of the bolts 16 and the nuts 17 improves the installation stability between the connecting block 11 and the connecting seat 5.

[0030] like Figure 5 As shown, second limit grooves 19 are provided on both side surfaces of the interior of the connecting block 11, and a second limit block 20 is movably connected inside the second limit groove 19. A pad 21 is fixedly installed on one side of the second limit block 20. By setting the second limit blocks 20 on both sides of the pad 21, it can be positioned in the connecting block 11 so that the pad 21 can contact the tool head 27.

[0031] like Figure 5 As shown, a clamping jaw 22 is provided inside the connecting block 11, and grooves 23 are provided on the outer surfaces of the clamping jaw 22. The multiple grooves 23 provided on the outer surface of the clamping jaw 22 have a certain elasticity, and the grooves 23 are threadedly connected to the connecting block 11, and the internal pushing portion 26 tends to squeeze and contract the clamping jaw 22, thereby clamping the tool head 27 in the clamping jaw 22.

[0032] The working principle of the utility model is as follows: first, the insertion rod 10 at one end of the connecting block 11 is inserted into the slot 8 in the connecting seat 5 for limiting. When the connecting block 11 is inserted, the first limiting slot 12 on one side of the connecting block 11 is aligned with the first limiting block 9 on one side of the connecting seat 5 to limit and fix the two. Next, the outer sleeve 14 is rotated by the bearing 13 outside the connecting block 11 to rotate the connecting frame 15 to be flush with the threaded groove 7 on the fixing plate 6. Then, the bolt 16 and the nut 17 are matched to penetrate the connecting frame 15 and the fixing plate 6 to fix them. Next, the tool head 27 is fixed. Insert it into the nut 24, then the tool head 27 passes through the clamp 22, and the nut 24 is rotated and tightened on the connecting block 11, so that one end of the tool head 27 and the clamp 22 are in contact with the pad 21, and the pushing portion 26 is integrated with the nut 24. During the tightening process, the pushing portion 26 inside the nut 24 squeezes one end of the clamp 22 and the tool head 27, thereby clamping and fixing the tool head 27. When the installation is completed, the drive motor 3 switch can be turned on to grind the workpiece, and the use process of the grinder tool clamping device is completed.

[0033] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A tool holding device for a grinding machine, comprising a housing (1), characterized in that: The surface of one side of the chassis (1) is provided with heat dissipation holes (2); a drive motor (3) is fixedly arranged inside the chassis (1); a transmission rod (4) is fixedly mounted on one end of the drive motor (3); a connecting seat (5) is fixedly mounted on one side of the transmission rod (4); a fixing plate (6) is fixedly mounted on one side of the chassis (1); a threaded groove (7) is provided on one side of the fixing plate (6); a connecting block (11) is movably connected to one side of the connecting seat (5); a bearing (13) is arranged on the outside of the connecting block (11); and the outside of the bearing (13) is fixedly mounted on the outside of the bearing (13). A sleeve (14) is installed, a connecting frame (15) is fixedly installed on one side of the sleeve (14), a bolt (16) is movably connected inside the connecting frame (15), a nut (17) is movably connected outside the bolt (16), an external thread (18) is arranged on the outside of one end of the connecting block (11), a nut (24) is movably connected outside the connecting block (11), an internal thread (25) is arranged inside the nut (24), a pushing portion (26) is arranged inside the nut (24), and a tool head (27) is movably connected inside the nut (24).

2. A tool holding device for a grinding machine according to claim 1, characterized in that: A slot (8) is provided on one side surface of the connection seat (5), and an insertion rod (10) is fixedly connected to one side of the connection block (11), and the insertion rod (10) is used in conjunction with the slot (8).

3. The tool holding device for a grinding machine according to claim 1, characterized in that: A first limiting block (9) is fixedly mounted on one side of the connecting seat (5), a first limiting groove (12) is provided on one side surface of the connecting block (11), and the first limiting block (9) and the first limiting groove (12) are used in conjunction with each other.

4. The tool holding device for a grinding machine according to claim 1, characterized in that: The connecting frame (15) is fixed to one side of the outer sleeve (14); the bolts (16) respectively penetrate the connecting frame (15) and the fixing plate (6); and the fixing plate (6) is threadedly connected to the outer sleeve (14).

5. The tool holding device for a grinding machine according to claim 1, characterized in that: Second limiting grooves (19) are provided on both side surfaces of the interior of the connection block (11), a second limiting block (20) is movably connected inside the second limiting groove (19), and a pad (21) is fixedly mounted on one side of the second limiting block (20).

6. The tool holding device for a grinding machine according to claim 1, characterized in that: The connection block (11) is provided with clamping claws (22) inside, and the outer surfaces of the clamping claws (22) are provided with grooves (23).

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