Machine tool chuck convenient to adjust

Abstract

The utility model discloses a machine tool chuck convenient to adjust, which belongs to the technical field of machine tool chucks and comprises a chuck body, a clamping jaw is arranged at the top of the chuck body in a sliding manner, an adjusting clamping structure is arranged on one side of the clamping jaw, a rotating disc is arranged in the chuck body, an annular gear is fixedly connected to the bottom of the rotating disc, and the annular gear is fixedly connected to the bottom of the rotating disc. A bevel gear is rotationally arranged on the inner wall of the side face of the chuck body and connected with the annular gear in a meshed mode, and an auxiliary limiting structure is arranged at the top of the rotating disc. According to the machine tool chuck convenient to adjust, by arranging the clamping adjusting structure, under the cooperation effect of a first screw rod and a screw hole block, a clamping plate can be driven to move, then the actual clamping position of the clamping plate can be changed, adjustment can be conducted according to different clamping parts of workpieces of different sizes, clamping of the workpieces is more stable, and the working efficiency is improved. And the situation that the position of the workpiece deviates in the machining process due to a poor clamping part is avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of machine tool chucks, in particular to a conveniently adjustable machine tool chuck. Background Art

[0002] A chuck is a mechanical device used on machine tools to clamp workpieces. 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 three-jaw chuck is one of the common machine tool chucks, and is mainly used to clamp and tighten the workpiece.

[0003] The prior art machine tool chuck mainly includes a chuck body, a clamping jaw and a clamping jaw driving mechanism. When in use, the clamping jaw and the clamping jaw driving mechanism are installed. At this time, the clamping jaw driving mechanism can drive the clamping jaw to slide on the top of the chuck body, thereby clamping the workpiece.

[0004] However, in actual use, the clamping area of ​​the claws is limited. When clamping some larger objects, if only the bottom is clamped, it cannot be clamped firmly, which leads to sliding and deviation during the processing, which is very inconvenient. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] In order to overcome the above-mentioned defects of the prior art, the utility model provides a machine tool chuck that is easy to adjust, which solves the problem that in actual use, the clamping area of ​​the jaws is limited, and when clamping some larger objects, if only the bottom is clamped, the clamping cannot be firm, which leads to easy sliding and deviation during the processing, which is very inconvenient.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a machine tool chuck that is easily adjusted, comprising a chuck body, a claw is slidably provided on the top of the chuck body, an adjusting clamping structure is provided on one side of the claw, a rotating disk is provided inside the chuck body, a ring gear is fixedly connected to the bottom of the rotating disk, a bevel gear is rotatably provided on the inner wall of the side surface of the chuck body, the bevel gear is meshed with the ring gear, an auxiliary limiting structure is provided on the top of the rotating disk, the adjusting clamping structure comprises a clamping block, the bottom of the outer surface of the clamping block is fixedly connected to the top of the outer surface of the claw, an installation groove is provided on the inner wall of the clamping block, and a first screw is rotatably connected to the inner wall of the installation groove.

[0009] As a further solution of the utility model: the top end of the first screw is fixedly connected with an operating round block, and the top of the outer surface of the operating round block is provided with a hexagonal hole.

[0010] As a further solution of the utility model: the outer surface of the first screw is threadedly connected with a screw hole block, the inner walls on both sides of the installation groove are provided with rectangular slide grooves, both sides of the outer surface of the screw hole block are fixedly connected with rectangular sliders, and the rectangular sliders are slidably connected to the inner walls of the rectangular slide grooves.

[0011] As a further solution of the utility model: both sides of the outer surface of the screw hole block are fixedly connected with clamping plates, and one side of the outer surface of the clamping plate is fixedly connected with a plurality of clamping protrusions.

[0012] As a further solution of the utility model: the auxiliary limiting structure includes a second screw, which is threadedly connected to the inner wall of the rotating disk, a circular stopper is fixedly connected to the bottom end of the outer surface of the second screw, a circular clamping frame is fixedly connected to the top of the outer surface of the second screw, and a circular clamping block is clamped on the inner wall of the circular clamping frame.

[0013] As a further solution of the utility model: a limiting circular block is fixedly connected to the top of the outer surface of the circular clamping block, the limiting circular block is made of rubber, and an anti-skid protrusion is fixedly connected to the outer surface of the limiting circular block.

[0014] As a further solution of the utility model: a first plug hole is opened on the inner wall of the circular card frame, a second plug hole is opened on the inner wall of the circular card block, threaded rods are inserted into the inner walls of the first and second plug holes, and one end of the threaded rod is threadedly connected with a fixing nut.

[0015] (III) Beneficial effects

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. The machine tool chuck which is easy to adjust can drive the clamping plate to move under the cooperation of the first screw and the screw hole block by setting an adjustable clamping structure, so that the actual clamping position of the clamping plate can be changed, and then it can be adjusted according to the different clamping parts of workpieces of different sizes, so that the clamping of the workpiece is more stable, and the position displacement of the workpiece during the processing can be avoided due to the poor clamping position.

[0018] 2. The machine tool chuck which is easy to adjust can cooperate with the outer hexagonal rod to drive the first screw to rotate by setting the operating round block and the inner hexagonal hole. The clamping protrusion can increase the friction of the clamping plate during the clamping process, thereby improving the stability.

[0019] 3. The machine tool chuck which is easy to adjust is provided with an auxiliary limiting structure. When a cylindrical object is clamped externally, the limiting circular block can be installed and adjusted under the action of the second screw in cooperation with the circular clamping block and the circular clamping frame to assist in fixing the workpiece from the inside. It can be disassembled when not in use without affecting the clamping effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0021] Figure 2 It is a three-dimensional structural schematic diagram of the clamping block of the utility model;

[0022] Figure 3 It is a three-dimensional structural schematic diagram of the clamping claw of the utility model;

[0023] Figure 4 It is a three-dimensional structural schematic diagram of the chuck body of the utility model.

[0024] In the figure: 1. chuck body; 2. clamping claw; 3. adjusting clamping structure; 31. clamping block; 32. mounting groove; 33. first screw rod; 34. operating round block; 35. hexagonal hole; 36. rectangular slide groove; 37. screw hole block; 38. rectangular slide block; 39. clamping plate; 310. clamping protrusion; 4. auxiliary limiting structure; 41. second screw rod; 42. circular stopper; 43. circular clamping frame; 44. circular clamping block; 45. first plug hole; 46. second plug hole; 47. threaded plug rod; 48. fixing nut; 49. limiting round block; 5. rotating disk; 6. ring gear; 7. bevel gear. DETAILED DESCRIPTION

[0025] The technical solution of this patent is further described in detail below in conjunction with specific implementation methods.

[0026] like Figure 1-4 As shown, the utility model provides a technical solution: a machine tool chuck that is easy to adjust, comprising a chuck body 1, a claw 2 is slidably provided on the top of the chuck body 1, an adjusting clamping structure 3 is provided on one side of the claw 2, a rotating disk 5 is provided inside the chuck body 1, a ring gear 6 is fixedly connected to the bottom of the rotating disk 5, a bevel gear 7 is rotatably provided on the inner wall of the side surface of the chuck body 1, by arranging the bevel gear 7 and the ring gear 6, the bevel gear 7 can drive the ring gear 6 to rotate, and then drive the rotating disk 5 to rotate, the bevel gear 7 is meshed with the ring gear 6, an auxiliary limiting structure 4 is provided on the top of the rotating disk 5, the adjusting clamping structure 3 comprises a clamping block 31, by arranging the clamping block 31, an object can be clamped, the bottom of the outer surface of the clamping block 31 is fixedly connected to the top of the outer surface of the claw 2, an inner wall of the clamping block 31 is provided with a mounting groove 32, and the inner wall of the mounting groove 32 is rotatably connected with a first screw 33, and by arranging the first screw 33, it can cooperate with other components to play a role.

[0027] Specifically, Figure 2 and Figure 3As shown, an operating round block 34 is fixedly connected to the top of the first screw rod 33, and a hexagonal hole 35 is provided on the top of the outer surface of the operating round block 34. A screw hole block 37 is threadedly connected to the outer surface of the first screw rod 33. By arranging the first screw rod 33 and the screw hole block 37, the first screw rod 33 can drive the screw hole block 37 to move. Rectangular sliding grooves 36 are provided on the inner walls of both sides of the installation groove 32. Rectangular sliding blocks 38 are fixedly connected to the outer surface of the screw hole block 37 on both sides. The rectangular sliding blocks 38 are slidably connected to the inner walls of the rectangular sliding grooves 36. By arranging the rectangular sliding blocks 38 and the rectangular sliding grooves 36, the rectangular sliding blocks 38 can slide on the inner walls of the rectangular sliding grooves 36, thereby limiting the clamping plate 39. Clamping plates 39 are fixedly connected to the outer surface of the screw hole block 37 on both sides. A plurality of clamping protrusions 310 are fixedly connected to one side of the outer surface of the clamping plate 39. By arranging the clamping plate 39 and the clamping protrusions 310, the workpiece can be clamped.

[0028] Specifically, Figure 4 As shown, the auxiliary limiting structure 4 includes a second screw 41, which is threadedly connected to the inner wall of the rotating disk 5, and a circular stopper 42 is fixedly connected to the bottom end of the outer surface of the second screw 41. By setting the second screw 41, the second screw 41 can slide on the inner wall of the rotating disk 5, and a circular clamping frame 43 is fixedly connected to the top of the outer surface of the second screw 41. The inner wall of the circular clamping frame 43 is clamped with a circular clamping block 44. By setting the circular clamping frame 43 and the circular clamping block 44, the limiting circular block 49 can be auxiliary fixed, and the outer surface top of the circular clamping block 44 is fixed. A limiting circular block 49 is connected, and the limiting circular block 49 is made of rubber. An anti-slip protrusion is fixedly connected to the outer surface of the limiting circular block 49. By setting the limiting circular block 49, the inside of the cylindrical workpiece can be limited. The inner wall of the circular clamping frame 43 is provided with a first plug hole 45, and the inner wall of the circular clamping block 44 is provided with a second plug hole 46. The inner walls of the first plug hole 45 and the second plug hole 46 are inserted with a threaded rod 47, and one end of the threaded rod 47 is threadedly connected to a fixing nut 48. By setting the threaded rod 47, the circular clamping block 44 and the circular clamping frame 43 can be fixed.

[0029] The working principle of the utility model is:

[0030] S1. When the position of the clamping plate 39 needs to be adjusted, the outer hexagonal rod is inserted into the inner hexagonal hole 35, which can drive the operating round block 34 to rotate, which can drive the first screw rod 33 to rotate, and then drive the screw hole block 37 to move;

[0031] S2, the screw hole block 37 can drive the rectangular slider 38 to slide on the inner wall of the rectangular slide groove 36, and then drive the clamping plate 39 to move. At this time, under the action of the external device, the bevel gear 7 is driven to rotate, and then the ring gear 6 and the rotating disk 5 are driven to rotate, and then the claw 2 is driven to move;

[0032] S3. When it is necessary to limit the internal position of the cylindrical workpiece, the circular clamping block 44 is clamped into the inner wall of the circular clamping frame 43, and the threaded rod 47 is inserted into the inner walls of the first hole 45 and the second hole 46, and then the fixing nut 48 and the threaded rod 47 are fixed to complete the fixation of the limiting circular block 49. At this time, the second screw rod 41 is rotated to adjust the position of the limiting circular block 49, thereby limiting the inside of the workpiece.

[0033] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0034] The above describes in detail the preferred implementation of this patent, but this patent is not limited to the above implementation. Various changes can be made within the knowledge scope of ordinary technicians in this field without departing from the purpose of this patent.

Claims

1. A machine tool chuck that is easily adjustable, comprising a chuck body (1), characterized in that: A claw (2) is slidably provided at the top of the chuck body (1), an adjustable clamping structure (3) is provided on one side of the claw (2), a rotating disk (5) is provided inside the chuck body (1), a ring gear (6) is fixedly connected to the bottom of the rotating disk (5), a bevel gear (7) is rotatably provided on the inner wall of the side surface of the chuck body (1), the bevel gear (7) is meshingly connected to the ring gear (6), an auxiliary limiting structure (4) is provided on the top of the rotating disk (5), and the adjustable clamping structure (3) comprises a clamping block (31), the bottom of the outer surface of the clamping block (31) is fixedly connected to the top of the outer surface of the claw (2), the inner wall of the clamping block (31) is provided with a mounting groove (32), and the inner wall of the mounting groove (32) is rotatably connected to a first screw (33).

2. A conveniently adjustable machine tool chuck according to claim 1, characterized in that: The top end of the first screw rod (33) is fixedly connected to an operating round block (34), and a hexagonal hole (35) is formed on the top of the outer surface of the operating round block (34).

3. The conveniently adjustable machine tool chuck according to claim 1, characterized in that: The outer surface of the first screw rod (33) is threadedly connected with a screw hole block (37), and the inner walls on both sides of the installation groove (32) are provided with rectangular sliding grooves (36). The outer surface of the screw hole block (37) is fixedly connected with rectangular sliding blocks (38) on both sides, and the rectangular sliding blocks (38) are slidably connected with the inner walls of the rectangular sliding grooves (36).

4. The conveniently adjustable machine tool chuck according to claim 3, characterized in that: Clamping plates (39) are fixedly connected to both sides of the outer surface of the screw hole block (37), and a plurality of clamping protrusions (310) are fixedly connected to one side of the outer surface of the clamping plate (39).

5. The conveniently adjustable machine tool chuck according to claim 1, characterized in that: The auxiliary limiting structure (4) comprises a second screw rod (41), the second screw rod (41) is threadedly connected to the inner wall of the rotating disk (5), a circular stopper (42) is fixedly connected to the bottom end of the outer surface of the second screw rod (41), a circular clamping frame (43) is fixedly connected to the top of the outer surface of the second screw rod (41), and a circular clamping block (44) is clamped on the inner wall of the circular clamping frame (43).

6. The conveniently adjustable machine tool chuck according to claim 5, characterized in that: The top of the outer surface of the circular clamping block (44) is fixedly connected to a limiting circular block (49), the limiting circular block (49) is made of rubber material, and the outer surface of the limiting circular block (49) is fixedly connected to an anti-slip protrusion.

7. The conveniently adjustable machine tool chuck according to claim 5, characterized in that: The inner wall of the circular clamping frame (43) is provided with a first insertion hole (45), the inner wall of the circular clamping block (44) is provided with a second insertion hole (46), the inner walls of the first insertion hole (45) and the second insertion hole (46) are provided with threaded insertion rods (47), and one end of the threaded insertion rod (47) is threadedly connected with a fixing nut (48).

Images