Machine tool chuck structure convenient to clamp

Abstract

The utility model provides a machine tool chuck structure convenient to clamp, and particularly relates to the technical field of machine tool chucks, the machine tool chuck structure convenient to clamp comprises a chuck shell, a first fixing plate and a sliding rod, one end of a piston rod of an air cylinder is connected with the sliding rod, a part needing to be machined is placed among four clamping jaws, then the air cylinder is recycled, the sliding rod is pulled, and the clamping jaws are clamped. A second fixing plate at one end of a sliding rod is hinged to a connecting rod, and one end of the connecting rod is hinged to a second connecting groove in the bottom of a clamping jaw, so that the clamping jaw is pulled to slide in a sliding groove, a part can be clamped and fixed, the clamping effect is achieved through a single air cylinder, operation is more convenient, a clamping column of a protective pad is inserted into a mounting groove, the clamping column is extruded and deformed, and the clamping effect is better. And the clamping column rebounds until the clamping column is clamped into the clamping groove, the clamping column rebounds, the protective pad is attached to one side of the clamping jaw, the protective pad can protect the clamping jaw, and then the protective pad is fixed by pinching the plug pin, inserting the plug pin into the first through hole and the second through hole and loosening the plug pin, so that the protective pad is more convenient to replace.

Description

Technical Field

[0001] The utility model relates to the technical field of machine tool chucks, in particular to a machine tool chuck structure with convenient clamping. Background Art

[0002] A chuck is a mechanical device used to clamp workpieces on machine tools. It is a machine tool accessory that clamps and positions the workpiece by radial movement of movable jaws evenly distributed on the chuck body. A chuck generally consists of three parts: a chuck body, movable jaws, and a jaw drive mechanism. The chuck body has a minimum diameter of 65 mm and a maximum of 1500 mm. There is a through hole in the center to allow the workpiece or bar to pass through. The back has a cylindrical or short conical structure, which is connected to the end of the machine tool spindle directly or through a flange. The chuck is usually installed on lathes, external cylindrical grinders, and internal cylindrical grinders. It can also be used in conjunction with various indexing devices for milling machines and drilling machines. In order to improve processing efficiency, a machine tool chuck that is easy to clamp is needed. Utility Model Content

[0003] The purpose of the utility model is to provide a machine tool chuck structure that is convenient for clamping, so as to solve the problem proposed in the background art that in order to improve the processing efficiency, a machine tool chuck that is convenient for clamping is needed.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a machine tool chuck structure that is easy to clamp, comprising a chuck housing, a first fixing plate and a sliding rod, the first fixing plate being fixedly connected to the inside of the chuck housing, the sliding rod slidingly passing through and connected to the first fixing plate, one end of the sliding rod being provided with a clamping mechanism, the clamping mechanism comprising a second fixing plate, a first connecting groove, a connecting rod, a second connecting groove, a clamping claw and a sliding groove, the second fixing plate being fixedly connected to one end of the sliding rod, the first connecting groove being opened on the outside of the second fixing plate, the inside of the first connecting groove being hinged to the connecting rod by an axis, one end of the connecting rod being hinged to the second connecting groove by an axis, the second connecting groove being opened at the bottom of the clamping claw, the outside of the clamping claw being slidably connected to the sliding groove, and a mounting mechanism being provided on one side of the clamping claw.

[0005] Preferably, the slide groove is provided on the top of the chuck housing, and the inner wall of the slide groove fits in with the outer wall of the clamping jaw.

[0006] Preferably, four first connecting grooves are provided, and the sliding groove is provided in a T-shaped structure.

[0007] Preferably, the mounting mechanism includes a mounting groove, a first through hole, a card slot, a protective pad, a card column, a second through hole and a pin. A mounting groove is provided on the top of the clamp, a first through hole is provided at one end of the mounting groove, a card slot is provided in the inner cavity of the first through hole, the protective pad is arranged on one side of the clamp, a card column is integrally formed at one end of the protective pad, a second through hole is provided on the inner side of the card column, and a pin is inserted into the inner side of the second through hole.

[0008] Preferably, the protective pad is made of rubber, and the outer wall of the clamping column is adapted to the inner wall of the clamping slot.

[0009] Preferably, the protective pad is fixedly connected to the clamping claw via a latch.

[0010] Compared with the prior art, the beneficial effects of the present invention are as follows: the machine tool chuck structure with convenient clamping, when in use, the chuck housing is installed, and then one end of the piston rod of the cylinder is connected to the sliding rod, the part to be processed is placed between the four clamping jaws, and then the cylinder is retracted, the sliding rod is pulled, and the second fixed plate at one end of the sliding rod is hinged to the connecting rod, and one end of the connecting rod is hinged to the second connecting groove at the bottom of the clamping jaw, thereby pulling the clamping jaw to slide in the sliding groove, so that the part can be clamped and fixed, and a single cylinder can achieve the clamping effect, and the operation is more convenient, and the clamping column of the protective pad is inserted into the installation groove, so that the clamping column is squeezed and deformed until the clamping column is stuck in the clamping groove, the clamping column rebounds, and the protective pad is attached to one side of the clamping jaw, and the protective pad can protect the clamping jaw, and then the pin is pinched, the pin is inserted into the first through hole and the second through hole, and the pin is released to fix the protective pad, which is more convenient to replace the protective pad. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is a schematic diagram of the appearance structure of the utility model;

[0012] Figure 2 This is a schematic diagram of the structure of the connecting rod and the second connecting groove of the utility model;

[0013] Figure 3 This is a schematic diagram of the structure of the clamping jaw and the slide groove of the utility model;

[0014] Figure 4 It is a schematic diagram of the installation mechanism structure of the utility model.

[0015] In the figure: 1. chuck housing; 2. first fixing plate; 3. slide rod; 4. clamping mechanism; 401. second fixing plate; 402. first connecting groove; 403. connecting rod; 404. second connecting groove; 405. clamping claw; 406. slide groove; 5. mounting mechanism; 501. mounting groove; 502. first through hole; 503. clamping slot; 504. protective pad; 505. clamping column; 506. second through hole; 507. latch. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0017] It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the conditions under which this application can be implemented. Therefore, they have no substantive technical significance. Any structural modification, change in proportional relationship or adjustment of size should still fall within the scope of the technical content disclosed in this application without affecting the efficacy and purpose that can be achieved by this application. Example

[0018] See also Figure 1-4 The utility model discloses a machine tool chuck structure with convenient clamping: it includes a chuck housing 1, a first fixed plate 2 and a slide rod 3, the first fixed plate 2 is fixedly connected to the inside of the chuck housing 1, the slide rod 3 slides through and connects the first fixed plate 2, one end of the slide rod 3 is provided with a clamping mechanism 4, the clamping mechanism 4 includes a second fixed plate 401, a first connecting groove 402, a connecting rod 403, a second connecting groove 404, a clamping claw 405 and a slide groove 406, the second fixed plate 401 is fixedly connected to one end of the slide rod 3, the first connecting groove 402 is opened on the outside of the second fixed plate 401, the inner side of the first connecting groove 402 is hinged to the connecting rod 403 through a shaft, and one end of the connecting rod 403 is connected to the second connecting groove 404 through a shaft. Hinge, the second connecting groove 404 is opened at the bottom of the clamping jaw 405, and the outer side of the clamping jaw 405 is slidably connected to the slide groove 406. A mounting mechanism 5 is provided on one side of the clamping jaw 405. When in use, the chuck housing 1 is installed, and then one end of the piston rod of the cylinder is connected to the slide rod 3. The parts to be processed are placed between the four clamping jaws 405, and then the cylinder is retracted and the slide rod 3 is pulled. The second fixed plate 401 at one end of the slide rod 3 is hinged to the connecting rod 403, and one end of the connecting rod 403 is hinged to the second connecting groove 404 at the bottom of the clamping jaw 405, thereby pulling the clamping jaw 405 to slide in the slide groove 406, so that the parts can be clamped and fixed. A single cylinder can achieve the clamping effect, and the operation is more convenient.

[0019] In order to facilitate clamping of the workpiece, a slide groove 406 is provided on the top of the chuck housing 1 , and the inner wall of the slide groove 406 fits in contact with the outer wall of the clamping jaw 405 .

[0020] In order to facilitate clamping of the workpiece, four first connecting grooves 402 are provided, and the sliding groove 406 is provided in a T-shaped structure.

[0021] Furthermore, the mounting mechanism 5 includes a mounting groove 501, a first through hole 502, a card slot 503, a protective pad 504, a card column 505, a second through hole 506 and a latch 507. The top of the clamping jaw 405 is provided with a mounting groove 501, one end of the mounting groove 501 is provided with a first through hole 502, the inner cavity of the first through hole 502 is provided with a card slot 503, the protective pad 504 is provided on one side of the clamping jaw 405, one end of the protective pad 504 is integrally formed with a card column 505, the inner side of the card column 505 is provided with a second through hole 506, and the second through hole A latch 507 is inserted into the inner side of 506, and the post 505 of the protective pad 504 is inserted into the installation slot 501, so that the post 505 is squeezed and deformed until the post 505 is stuck in the slot 503, and the post 505 rebounds, and the protective pad 504 is attached to one side of the clamping jaw 405. The protective pad 504 can protect the clamping jaw 405, and then pinch the latch 507, and the latch 507 is inserted into the first through hole 502 and the second through hole 506, and the latch 507 is released to fix the protective pad 504, which makes it more convenient to replace the protective pad 504.

[0022] Furthermore, the protective pad 504 is made of rubber, and the outer wall of the clamping column 505 is adapted to the inner wall of the clamping slot 503 .

[0023] Furthermore, the protective pad 504 is fixedly connected to the clamping jaw 405 via a latch 507 .

[0024] Working principle: When in use, install the chuck housing 1, then connect one end of the cylinder's piston rod to the slide bar 3, place the part to be processed between the four clamping jaws 405, then retract the cylinder and pull the slide bar 3. The second fixing plate 401 at one end of the slide bar 3 is hinged to the connecting rod 403, and one end of the connecting rod 403 is hinged to the second connecting groove 404 at the bottom of the clamping jaw 405, thereby pulling the clamping jaw 405 to slide in the slide groove 406, so that the part can be clamped and fixed, and a single cylinder can achieve the clamping effect. The operation is more convenient. Insert the clamping column 505 of the protective pad 504 into the installation groove 501, so that the clamping column 505 is squeezed and deformed until the clamping column 505 is clamped into the clamping groove 503. The clamping column 505 rebounds, and the protective pad 504 is attached to one side of the clamping jaw 405. The protective pad 504 can protect the clamping jaw 405. Then pinch the pin 507, insert the pin 507 into the first through hole 502 and the second through hole 506, and release the pin 507 to fix the protective pad 504. This makes it more convenient to replace the protective pad 504.

[0025] 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, modifications, substitutions and variations may be made to these implementation rules without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A machine tool chuck structure with convenient clamping, comprising a chuck housing (1), a first fixing plate (2) and a slide rod (3), characterized in that: The first fixed plate (2) is fixedly connected to the inside of the chuck housing (1), and the sliding rod (3) slides through and connects the first fixed plate (2). A clamping mechanism (4) is provided at one end of the sliding rod (3), and the clamping mechanism (4) comprises a second fixed plate (401), a first connecting groove (402), a connecting rod (403), a second connecting groove (404), a clamping claw (405) and a sliding groove (406). The second fixed plate (401) is fixedly connected to one end of the sliding rod (3), the first connecting groove (402) is opened on the outside of the second fixed plate (401), the inside of the first connecting groove (402) is hinged to the connecting rod (403) through an axis, one end of the connecting rod (403) is hinged to the second connecting groove (404) through an axis, the second connecting groove (404) is opened at the bottom of the clamping claw (405), the outside of the clamping claw (405) is slidably connected to the sliding groove (406), and a mounting mechanism (5) is provided on one side of the clamping claw (405).

2. A machine tool chuck structure with convenient clamping according to claim 1, characterized in that: The slide groove (406) is opened on the top of the chuck housing (1), and the inner wall of the slide groove (406) is in contact with the outer wall of the clamping jaw (405).

3. The machine tool chuck structure with convenient clamping according to claim 1, characterized in that: Four first connecting grooves (402) are provided, and the sliding groove (406) is provided in a T-shaped structure.

4. The machine tool chuck structure with convenient clamping according to claim 1, characterized in that: The mounting mechanism (5) comprises a mounting groove (501), a first through hole (502), a clamping groove (503), a protective pad (504), a clamping column (505), a second through hole (506) and a latch (507); the top of the clamping jaw (405) is provided with a mounting groove (501); one end of the mounting groove (501) is provided with a first through hole (502); the inner cavity of the first through hole (502) is provided with a clamping groove (503); the protective pad (504) is arranged on one side of the clamping jaw (405); one end of the protective pad (504) is integrally formed with a clamping column (505); the inner side of the clamping column (505) is provided with a second through hole (506); and the inner side of the second through hole (506) is plugged with a latch (507).

5. The machine tool chuck structure with convenient clamping according to claim 4, characterized in that: The protective pad (504) is made of rubber, and the outer wall of the clamping column (505) is adapted to the inner wall of the clamping slot (503).

6. The machine tool chuck structure with convenient clamping according to claim 4, characterized in that: The protective pad (504) is fixedly connected to the clamping claw (405) via a latch (507).

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