Clamp for rapidly clamping shaft parts

Abstract

The utility model relates to a clamp for rapidly clamping shaft parts. Comprising a base, a workpiece, a first plate arranged on the base, a second plate sliding on the base, a limiting piece abutting against one side of the workpiece, a moving piece adjusting the position of the second plate, a clamping assembly clamping the other side of the workpiece and a rotating device rotating the clamping assembly. The rotating device is arranged on the first plate; the clamping assembly is arranged at the rotating end of the rotating device; the limiting piece is arranged on the second plate; the moving part is rotationally connected to the base; the moving part is arranged on the second plate in a threaded and penetrating mode. The device solves the problems that different parts of a to-be-machined shaft part cannot be rotated to the machining direction of a machining head after being fixed, the direction of the part needs to be manually adjusted, and the surface of the part cannot be comprehensively and fully machined conveniently and rapidly.

Description

Technical Field

[0001] The utility model relates to the field of clamps, in particular to a clamp for quickly clamping shaft parts. Background Art

[0002] In the prior art, shaft parts are one of the typical parts often encountered in hardware accessories. They are mainly used to support transmission parts, transmit torque and bear loads. According to the different structural forms of shaft parts, they can generally be divided into three categories: smooth shafts, stepped shafts and special-shaped shafts; or divided into solid shafts, hollow shafts, etc., which are used to support transmission parts such as gears and pulleys in machines to transmit torque or motion. Shaft parts are rotating body parts with a length greater than the diameter. They are generally composed of the outer cylindrical surface, conical surface, inner hole and thread of concentric shafts and the corresponding end faces. According to different structural shapes, shaft parts can be divided into smooth shafts, stepped shafts, hollow shafts and crankshafts, etc.

[0003] There is a patent number CN201921353669.3, which discloses a simple fixture for positioning shaft parts for machine tool processing, including a base and a fixed plate, the fixed plate is arranged above the base, both sides of the base are fixedly connected with baffles, both sides of the fixed plate are slidably connected with the sides of the two baffles, a groove is provided on the top near the middle of the base, the top of the fixed plate near both sides are rotatably connected with worm gears, the top of the fixed plate near its front end face is fixedly connected with a bearing seat 1, the top of the fixed plate near its rear end face is fixedly connected with a bearing seat 2, and the axis of the bearing seat 1 is fixedly connected with a worm. The utility model achieves the advantages of simple and convenient operation, uniform force on the clamped workpiece, and good clamping effect through the cooperation of the above-mentioned structures, and solves the problems that the existing fixtures for shaft parts are too cumbersome to operate and the clamped workpiece is unevenly stressed.

[0004] In this public patent, for the shaft parts to be processed, after being fixed, the different parts of the clamped parts cannot be rotated to the processing direction of the processing head, and the direction of the parts needs to be adjusted manually, which makes it inconvenient to quickly and comprehensively process the surface of the parts. Utility Model Content

[0005] The embodiment of the present application provides a clamp for quickly clamping shaft parts, thereby solving the problem in the prior art that, after the shaft parts to be processed are fixed, different parts of the clamped parts cannot be rotated to the processing direction of the processing head, and the direction of the parts needs to be adjusted manually, which makes it inconvenient to quickly and comprehensively process the surface of the parts.

[0006] The technical solution adopted in the embodiments of the present application is as follows.

[0007] A clamp for quickly clamping shaft parts, comprising a base, a workpiece, a first plate arranged on the base, a second plate sliding on the base, a limiter pressed against one side of the workpiece, a movable member for adjusting the position of the second plate, a clamping assembly clamping the other side of the workpiece and a rotating device for rotating the clamping assembly; the rotating device is arranged on the first plate; the clamping assembly is arranged on the rotating end of the rotating device; the limiter is arranged on the second plate; the movable member is rotatably connected to the base; and the movable member is threadedly penetrated through the second plate.

[0008] A further technical solution is: a first groove is provided on the base; the moving part rotates in the first groove; and the second plate slides in the first groove.

[0009] A further technical solution is: a limiting groove is provided on the limiting member; the limiting groove is in an inclined shape and the cross-sectional diameter gradually decreases.

[0010] A further technical solution is: the clamping assembly includes a rotating plate, a pushing member arranged on the rotating plate, a first clamping member for clamping the workpiece, and a second clamping member for clamping the workpiece; the rotating plate is rotatably connected to the first plate; the pushing members are arranged in two groups relatively to each other; the first clamping member and the second clamping member are respectively arranged at the pushing ends of the pushing member; the first clamping member and the second clamping member are arranged relatively to each other.

[0011] A further technical solution is: a second groove is formed on the first clamping member; a third groove is formed on the second clamping member; the first clamping member is inserted into the third groove; the second clamping member is inserted into the second groove; and the workpiece is located between the first clamping member and the second clamping member.

[0012] A further technical solution is: the rotating device includes a rotating rod, a worm wheel arranged on the rotating rod and a worm rotating on the first plate; the worm wheel engages with the worm; the rotating rod rotates on the first plate; one end of the rotating rod is fixedly connected to the rotating plate.

[0013] One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:

[0014] 1. Due to the plate-shaped base, a first plate is arranged on one side of the base, the first plate is plate-shaped, a rotating rod is rotatably connected to the first plate, a rotating plate is arranged on one side of the rotating rod, a pushing member is arranged on the rotating plate, two groups of pushing members are arranged oppositely, a first clamping member is arranged at the pushing end of the pushing member on one side, and a second clamping member is arranged at the pushing end of the pushing member on the other side, a second groove is provided on the first clamping member, a third groove is provided on the second clamping member, the first clamping member is inserted into the third groove, the second clamping member is inserted into the second groove, the workpiece is located between the first clamping member and the second clamping member, and the workpiece is rotated. A worm wheel is arranged on the rod, and a worm wheel is rotatably connected to the first plate, and the worm wheel meshes with the worm. When the worm is rotated, the rotating rod is driven to rotate, thereby driving the rotating rod to rotate. A first groove is opened on the base, and a second plate is slidably connected to the first groove. A moving part is rotatably connected in the first groove, and the moving part is a screw. The moving part is threaded through the second plate. When the moving part is rotated, it drives the second plate to slide left and right. Left and right limit members are arranged on the second plate, and a limit groove is opened on the limit member. The side wall of the limit groove is inclined and the cross-sectional diameter gradually decreases, thereby realizing rapid clamping of the workpiece and driving the workpiece to rotate along the axis. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the fixture for quickly clamping shaft parts in the utility model.

[0016] Figure 2 The utility model is a schematic diagram of the structure of the fixture for quickly clamping shaft parts.

[0017] Figure 3 It is a side view of the fixture for quickly clamping shaft parts in the utility model.

[0018] Figure 4 for Figure 3 Sectional view of A.

[0019] In the figure: 1. base; 11. first groove; 2. workpiece; 3. first plate; 4. second plate; 5. limit member; 51. limit groove; 6. moving member; 7. clamping assembly; 71. rotating plate; 72. pushing member; 73. first clamping member; 731. second groove; 74. second clamping member; 741. third groove; 8. rotating device; 81. rotating rod; 82. worm wheel; 83. worm. DETAILED DESCRIPTION

[0020] The embodiment of the present application provides a clamp for quickly clamping shaft parts, thereby solving the problem in the prior art that, after the shaft parts to be processed are fixed, different parts of the clamped parts cannot be rotated to the processing direction of the processing head, and the direction of the parts needs to be adjusted manually, which makes it inconvenient to quickly and comprehensively process the surface of the parts.

[0021] The technical solution in the embodiment of the present application is to solve the above problems, and the overall idea is as follows

[0022] In order to better understand the above technical solution, the above technical solution will be described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0023] A clamp for quickly clamping shaft parts, including a base 1, a workpiece 2, a first plate 3 arranged on the base 1, a second plate 4 sliding on the base 1, a limiter 5 against one side of the workpiece 2, a moving member 6 for adjusting the position of the second plate 4, a clamping assembly 7 for clamping the other side of the workpiece 2 and a rotating device 8 for rotating the clamping assembly 7; the rotating device 8 is arranged on the first plate 3; the clamping assembly 7 is arranged at the rotating end of the rotating device 8; the limiter 5 is arranged on the second plate 4; the moving member 6 is rotatably connected to the base 1; the moving member 6 is threadedly penetrated through the second plate 4.

[0024] The base 1 is provided with a first groove 11 ; the moving member 6 rotates in the first groove 11 ; and the second plate 4 slides in the first groove 11 .

[0025] The limiting member 5 is provided with a limiting groove 51 ; the limiting groove 51 is in an inclined shape and the cross-sectional diameter thereof gradually decreases.

[0026] The clamping assembly 7 includes a rotating plate 71, a pushing member 72 arranged on the rotating plate 71, a first clamping member 73 for clamping the workpiece 2, and a second clamping member 74 for clamping the workpiece 2; the rotating plate 71 is rotatably connected to the first plate 3; the pushing members 72 are arranged in two groups opposite to each other; the first clamping member 73 and the second clamping member 74 are respectively arranged at the pushing end of the pushing member 72; the first clamping member 73 and the second clamping member 74 are arranged opposite to each other.

[0027] The first clamping member 73 is provided with a second groove 731 ; the second clamping member 74 is provided with a third groove 741 ; the first clamping member 73 is inserted into the third groove 741 ; the second clamping member 74 is inserted into the second groove 731 ; the workpiece 2 is located between the first clamping member 73 and the second clamping member 74 .

[0028] The rotating device 8 includes a rotating rod 81, a worm wheel 82 arranged on the rotating rod 81 and a worm 83 rotating on the first plate 3; the worm wheel 82 engages with the worm 83; the rotating rod 81 rotates on the first plate 3; one end of the rotating rod 81 is fixedly connected to the rotating plate 71.

[0029] The base 1 is plate-shaped, and a first plate 3 is provided on one side of the base 1. The first plate 3 is plate-shaped, and a rotating rod 81 is rotatably connected to the first plate 3. A rotating plate 71 is provided on one side of the rotating rod 81. A pushing member 72 is provided on the rotating plate 71. Two groups of pushing members 72 are relatively provided. A first clamping member 73 is provided at the pushing end of the pushing member 72 on one side, and a second clamping member 74 is provided at the pushing end of the pushing member 72 on the other side. A second groove 731 is provided on the first clamping member 73, and a third groove 741 is provided on the second clamping member 74. The first clamping member 73 is inserted into the third groove 741, and the second clamping member 74 is inserted into the second groove 731. The workpiece 2 is located at the first clamping member 7 3 and the second clamping member 74, a worm wheel 82 is arranged on the rotating rod 81, the worm wheel 82 is rotatably connected to the first plate 3, the worm wheel 82 meshes with the worm 83, when the worm 83 is rotated, the rotating rod 81 is driven to rotate, thereby driving the rotating rod 81 to rotate, a first groove 11 is provided on the base 1, the second plate 4 is slidably connected to the first groove 11, a moving member 6 is rotatably connected in the first groove 11, the moving member 6 is a screw, the moving member 6 is threadedly penetrated in the second plate 4, when the moving member 6 is rotated, the second plate 4 is driven to slide left and right, left and right limit members 5 are arranged on the second plate 4, and a limit groove 51 is provided on the limit member 5, and the side wall of the limit groove 51 is inclined and the cross-sectional diameter gradually decreases.

[0030] Since the base 1 is in a plate shape, a first plate 3 is provided on one side of the base 1, the first plate 3 is in a plate shape, a rotating rod 81 is rotatably connected to the first plate 3, a rotating plate 71 is provided on one side of the rotating rod 81, a pushing member 72 is provided on the rotating plate 71, and two groups of pushing members 72 are relatively arranged, a first clamping member 73 is provided at the pushing end of the pushing member 72 on one side, and a second clamping member 74 is provided at the pushing end of the pushing member 72 on the other side, a second groove 731 is provided on the first clamping member 73, and a third groove 741 is provided on the second clamping member 74, the first clamping member 73 is inserted into the third groove 741, and the second clamping member 74 is inserted into the second groove 731, and the workpiece 2 is located between the first clamping member 73 and the second clamping member 74. A worm gear 82 is provided on the rotating rod 81, and a worm gear 82 is rotatably connected to the first plate 3. The worm gear 82 engages with the worm 83. When the worm 83 is rotated, the rotating rod 81 is driven to rotate, thereby driving the rotating rod 81 to rotate. A first groove 11 is provided on the base 1, and a second plate 4 is slidably connected to the first groove 11. A moving member 6 is rotatably connected in the first groove 11. The moving member 6 is a screw. The moving member 6 is threadedly penetrated through the second plate 4. When the moving member 6 is rotated, the second plate 4 is driven to slide left and right. Left and right limit members 5 are provided on the second plate 4. A limit groove 51 is provided on the limit member 5. The side wall of the limit groove 51 is inclined and the cross-sectional diameter gradually decreases, thereby realizing rapid clamping of the workpiece 2 and driving the workpiece 2 to rotate along the axis.

[0031] Although the preferred embodiments of the present invention have been described, those skilled in the art may make other changes and modifications to these embodiments once they have learned the basic creative concept. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications falling within the scope of the present invention.

[0032] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A fixture for quickly clamping shaft parts, characterized in that: The invention comprises a base (1), a workpiece (2), a first plate (3) arranged on the base (1), a second plate (4) sliding on the base (1), a stopper (5) abutting against one side of the workpiece (2), a moving member (6) for adjusting the position of the second plate (4), a clamping assembly (7) clamping the other side of the workpiece (2), and a rotating device (8) for rotating the clamping assembly (7); the rotating device (8) is arranged on the first plate (3); and the clamping assembly (7) is arranged at the rotating end of the rotating device (8); The limiting member (5) is arranged on the second plate (4); the moving member (6) is rotatably connected to the base (1); and the moving member (6) is threadedly inserted into the second plate (4).

2. The fixture for quickly clamping shaft parts according to claim 1, characterized in that: The base (1) is provided with a first groove (11); the moving member (6) rotates in the first groove (11); and the second plate (4) slides in the first groove (11).

3. The fixture for quickly clamping shaft parts as claimed in claim 1, characterized in that: The limiting member (5) is provided with a limiting groove (51); the limiting groove (51) is in an inclined surface shape and its cross-sectional diameter gradually decreases.

4. The fixture for quickly clamping shaft parts according to claim 1, characterized in that: The clamping assembly (7) comprises a rotating plate (71), a pushing member (72) arranged on the rotating plate (71), a first clamping member (73) for clamping the workpiece (2), and a second clamping member (74) for clamping the workpiece (2); the rotating plate (71) is rotatably connected to the first plate (3); the pushing members (72) are arranged in two groups opposite to each other; the first clamping member (73) and the second clamping member (74) are respectively arranged at the pushing end of the pushing member (72); the first clamping member (73) and the second clamping member (74) are arranged opposite to each other.

5. The fixture for quickly clamping shaft parts as claimed in claim 4, characterized in that: The first clamping member (73) is provided with a second groove (731); the second clamping member (74) is provided with a third groove (741); the first clamping member (73) is inserted into the third groove (741); the second clamping member (74) is inserted into the second groove (731); and the workpiece (2) is located between the first clamping member (73) and the second clamping member (74).

6. The fixture for quickly clamping shaft parts as claimed in claim 4, characterized in that: The rotating device (8) comprises a rotating rod (81), a worm wheel (82) arranged on the rotating rod (81), and a worm (83) rotating on the first plate (3); the worm wheel (82) meshes with the worm (83); the rotating rod (81) rotates on the first plate (3); and one end of the rotating rod (81) is fixedly connected to the rotating plate (71).

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