Clamping mechanism for gear machining

Abstract

The clamping mechanism for gear machining relates to the technical field of gear clamping tools and comprises a first supporting seat, a first motor is fixedly connected to the middle of the bottom face of the first supporting seat, a rotating disc is rotationally connected to the top face of the first supporting seat, and an output shaft of the first motor penetrates through the first supporting seat to be fixedly connected with the bottom face of the rotating disc. A second supporting seat is fixedly connected to the top surface of the turntable; according to the gear positioning and clamping device, the annular moving block and the connecting rod are matched with the second hinge seat and the T-shaped moving block, so that contraction action is conveniently carried out to clamp different gears, the positioning and clamping efficiency is improved, the clamping function is achieved, and through a first arc-shaped clamping block, a second clamping block, a first motor and a rotating disc, the clamping efficiency is improved. And the gear is conveniently positioned and locked and rotates during gear machining, the convenience of positioning and clamping during gear machining is improved, and finally the problems that different gears are inaccurate to clamp and difficult to machine and workpieces are unstable during gear machining are solved.

Description

Technical Field

[0001] This utility model relates to the field of gear clamping tools, and in particular to a clamping mechanism for gear processing. Background Technology

[0002] In gear production, the positioning and clamping operation before machining is often inaccurate due to the simple mechanism, requiring manual adjustment for positioning and locking. This results in unstable clamping and dimensional deviations during machining due to the limited precision of manual adjustment, leading to low efficiency and poor machining quality. With industrial development, some simple clamping mechanisms have emerged, simplifying the clamping process and improving clamping efficiency. However, these mechanisms suffer from incomplete positioning and lack of machining space, causing inconvenience. The existing clamping mechanism for gear machining suffers from inaccurate clamping of different gears, machining difficulties, and workpiece instability. Utility Model Content

[0003] The purpose of this utility model is to address the shortcomings of existing technologies by proposing a clamping mechanism for gear processing.

[0004] To achieve the above objectives, the present invention adopts the following technical solution: a clamping mechanism for gear processing, including a first support base, a first motor fixedly connected to the center of the bottom surface of the first support base, and a turntable rotatably connected to the top surface of the first support base, the output shaft of the first motor passing through the first support base and fixedly connected to the bottom surface of the turntable, and a second support base fixedly connected to the top surface of the turntable.

[0005] Preferably, a second motor is fixedly connected to the center of the bottom surface of the second support base, and guide rods are vertically fixed to the four corners of the top surface of the second support base. A lead screw is vertically provided at the upper end of the second motor, and the lower end of the lead screw is rotatably connected to the second support base. The output shaft of the second motor is connected to the lower end of the lead screw through a coupling.

[0006] Preferably, an annular moving block is provided in the middle of the top surface of the second support base. The inner side of the annular moving block is threaded to the lead screw, and a first hinge seat is fixed around the outer surface of the annular moving block. A connecting block is provided between adjacent first hinge seats. One end of the four connecting blocks is fixed to the outer surface of the annular moving block, and the other end of the four connecting blocks is respectively sleeved on the lower end of the four guide rods.

[0007] Preferably, the upper end of the lead screw is provided with a support plate, and the upper end of the lead screw is rotatably connected to the middle of the bottom surface of the support plate. The four corners of the support plate are fixed to the upper ends of four guide rods, and two guide rails are installed around the top surface of the support plate. A movable slot is provided between the two guide rails, and the movable slot penetrates the support plate.

[0008] Preferably, each of the four movable slots is provided with a T-shaped movable block, the upper end of which is slidably connected to the guide rail, and the lower end of which is fixedly connected to a second hinge seat. The second hinge seat is movably hinged to a connecting rod, and the other end of the connecting rod is movably hinged to a first hinge seat.

[0009] Preferably, a triangular fixing block is fixed to the inner side of the upper end of each of the four T-shaped moving blocks, and a support rod is vertically fixed to the top surface of the adjacent ends of the four triangular fixing blocks. A first arc-shaped clamping block is fixed to the top surface of the support rod, and a screw is vertically fixed to the top surface of the adjacent ends of the four first arc-shaped clamping blocks. A second arc-shaped clamping block is provided at the upper end of the screw, and the upper and lower ends of the second arc-shaped clamping block are fixed to the upper end of the screw by nuts.

[0010] Compared with the prior art, the beneficial effects of this utility model are as follows: This utility model facilitates the clamping of different gears by using the cooperation of the annular moving block and connecting rod with the second hinge seat and T-shaped moving block, thereby improving the efficiency of positioning and clamping and realizing the clamping function. Furthermore, the first arc-shaped clamping block and the second clamping block, together with the first motor and the turntable, facilitate the positioning and locking of the gears and the rotation during gear processing, thereby improving the convenience of gear processing positioning and clamping. Ultimately, it solves the problems of inaccurate clamping of different gears, processing difficulties, and unstable workpieces during gear processing. Attached Figure Description

[0011] The accompanying drawings, which are included to provide a further understanding of the present invention and form part of this application, illustrate exemplary embodiments of the present invention and, together with the description thereof, serve to explain the present invention and do not constitute an undue limitation thereof. In the drawings:

[0012] Figure 1 This is a schematic diagram of the overall structure proposed in this utility model;

[0013] Figure 2 This is a schematic diagram of the lower end structure proposed in this utility model;

[0014] Figure 3 This is a partial structural schematic diagram of the present invention;

[0015] Figure 4 This is a schematic cross-sectional view of the structure proposed in this utility model;

[0016] Figure 5 This is a schematic diagram of the lifting structure proposed in this utility model;

[0017] Figure 6 This is a schematic diagram of the connecting rod structure proposed in this utility model;

[0018] Figure 7 This is a schematic diagram of the clamping structure proposed in this utility model;

[0019] Figure 8 The present utility model proposes Figure 3 Enlarged schematic diagram of the structure at part A in the middle;

[0020] Figure 9 The present utility model proposes Figure 4 Enlarged schematic diagram of the structure of part B in the middle;

[0021] Figure 10 The present utility model proposes Figure 4 Enlarged schematic diagram of the structure at part C.

[0022] The numbers in the diagram are as follows: 1. First support seat; 2. First motor; 3. Turntable; 4. Second support seat; 5. Second motor; 6. Guide rod; 7. Lead screw; 8. Annular moving block; 9. First hinge seat; 10. Connecting rod; 11. Support plate; 12. Guide rail; 13. T-shaped moving block; 14. Second hinge seat; 15. Support rod; 16. First arc-shaped clamping block; 17. Screw; 18. Second arc-shaped clamping block. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0024] Example: See Figure 1-10This utility model discloses a gear processing clamping mechanism, including a first support base 1, through which a first motor 2 is easily installed; the first motor 2 is fixedly connected to the center of the bottom surface of the first support base 1, through which the first motor 2 provides power for the rotation of a turntable 3; and the turntable 3 is rotatably connected to the top surface of the first support base 1, through which the turntable 3 drives the clamping device to rotate; the output shaft of the first motor 2 passes through the first support base 1 and is fixedly connected to the bottom surface of the turntable 3, through which the output shaft drives the turntable 3 to rotate; a second support base 4 is fixedly connected to the top surface of the turntable 3, through which the clamping assembly is easily installed; and a clamping device is fixedly connected to the center of the bottom surface of the second support base 4. The second motor 5 provides power for the rotation of the lead screw 7. Guide rods 6 are vertically fixed at the four corners of the top surface of the second support base 4, which restrict the degree of freedom of the annular moving block 8. The lead screw 7 is vertically mounted on the upper end of the second motor 5, which drives the annular moving block 8 to rise and fall. The lower end of the lead screw 7 is rotatably connected to the second support base 4, which supports the lead screw 7. The output shaft of the second motor 5 is connected to the lower end of the lead screw 7 via a coupling, which drives the lead screw 7 to rotate. The annular moving block 8 is located in the center of the top surface of the second support base 4. The up-and-down movement of block 8 facilitates the opening and closing of the four connecting rods 10; the inner side of the annular moving block 8 is threadedly connected to the lead screw 7, which facilitates the up-and-down movement of the annular moving block 8 when the lead screw 7 rotates; and the outer surface of the annular moving block 8 is fixedly connected to the four sides of the perimeter of the annular moving block 8, which facilitates the connection of the connecting rods 10; a connecting block is provided between adjacent first hinge seats 9, which facilitates the restriction of the degrees of freedom of the annular moving block 8; one end of each of the four connecting blocks is fixedly connected to the outer surface of the annular moving block 8, which facilitates the fixation of the connecting blocks; and the other end of each of the four connecting blocks is respectively sleeved on the lower end of the four guide rods 6, which facilitate the connection of the guide rods 6. The screw 7 is designed to support the movable block. A support plate 11 is provided at the upper end of the screw 7, which helps to stabilize the screw 7. The upper end of the screw 7 is rotatably connected to the center of the bottom surface of the support plate 11, facilitating the rotation of the screw 7. The four corners of the support plate 11 are fixed to the upper ends of four guide rods 6, which facilitates the fixation of the support plate 11. Two guide rails 12 are installed around the top surface of the support plate 11, which facilitates the sliding of the T-shaped movable block 13. A movable slot is provided between the two guide rails 12, which facilitates the installation of the T-shaped movable block 13. The movable slot passes through the support plate 11, which facilitates the positioning of the movable slot.

[0025] In this invention, four movable slots are provided with T-shaped movable blocks 13, which facilitate the clamping of gears; the upper end of the T-shaped movable block 13 is slidably connected to the guide rail 12, which facilitates the movement of the T-shaped movable block 13; and the lower end of the T-shaped movable block 13 is fixedly connected to a second hinge seat 14, which facilitates the linkage 10 to push the T-shaped movable block 13; the second hinge seat 14 is movably hinged to the linkage 10, which facilitates the first hinge seat 9 to push the second hinge seat 14; the other end of the linkage 10 is movably hinged to the first hinge seat 9, which facilitates the fixing of the linkage 10; and triangular... The system includes four triangular fixing blocks for securing the support rod 15. The support rod 15 is vertically fixed to the top surfaces of the four adjacent triangular fixing blocks, which facilitates the fixing of the first arc-shaped clamping block 16. The first arc-shaped clamping block 16 is fixed to the top surface of the support rod 15, which facilitates the bearing of the gear. A screw 17 is vertically fixed to the top surfaces of the four adjacent first arc-shaped clamping blocks 16, which facilitates the tightening of the nut. A second arc-shaped clamping block 18 is provided at the upper end of the screw 17, which facilitates clamping the gear. The upper and lower ends of the second arc-shaped clamping block 18 are fixed to the upper end of the screw 17 with nuts, which facilitates the fixing of the second arc-shaped clamping block 18.

[0026] Working principle: When using this utility model, firstly, hold the gear to be processed and place the inner hole of the gear between the first arc-shaped clamping block 16 and the second arc-shaped clamping block 18. Then, start the second motor 5 to drive the lead screw 7 to rotate. As the lead screw 7 rotates, the annular moving block 8 moves upward, driving one end of the connecting rod 10 to move upward. As one end of the connecting rod 10 moves, it drives the other end of the connecting rod 10 to move outward, pushing the T-shaped moving block 13 to move outward, so that the support rod 15 moves outward, thereby driving the first arc-shaped clamping block 16 and the second arc-shaped clamping block 18 to support the gear and clamp it. After clamping, start the first motor 2 to drive the turntable 3 to rotate, so that the clamped gear rotates for processing.

[0027] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A clamping mechanism for gear machining, comprising a first support base (1), characterized in that: A first motor (2) is fixedly connected to the middle of the bottom surface of the first support base (1), and a turntable (3) is rotatably connected to the top surface of the first support base (1). The output shaft of the first motor (2) passes through the first support base (1) and is fixedly connected to the bottom surface of the turntable (3). A second support base (4) is fixedly connected to the top surface of the turntable (3).

2. The clamping mechanism for gear machining according to claim 1, characterized in that: The second support base (4) is fixedly connected to the middle of the bottom surface of the second motor (5), and the top surface of the second support base (4) is fixedly connected to the four corners of the guide rod (6) vertically. The upper end of the second motor (5) is provided with a lead screw (7), the lower end of the lead screw (7) is rotatably connected to the second support base (4), and the output shaft of the second motor (5) is connected to the lower end of the lead screw (7) through a coupling.

3. The clamping mechanism for gear machining according to claim 1, characterized in that: The second support base (4) has an annular moving block (8) in the middle of its top surface. The inner side of the annular moving block (8) is threaded to the lead screw (7), and the outer surface of the annular moving block (8) is fixed with a first hinge seat (9). A connecting block is provided between adjacent first hinge seats (9). One end of the four connecting blocks is fixed to the outer surface of the annular moving block (8), and the other end of the four connecting blocks is respectively sleeved on the lower end of the four guide rods (6).

4. The clamping mechanism for gear machining according to claim 2, characterized in that: The upper end of the lead screw (7) is provided with a support plate (11), and the upper end of the lead screw (7) is rotatably connected to the middle of the bottom surface of the support plate (11). The four corners of the support plate (11) are fixed to the upper ends of four guide rods (6), and two guide rails (12) are installed around the top surface of the support plate (11). A moving slot is provided between the two guide rails (12), and the moving slot passes through the support plate (11).

5. The clamping mechanism for gear machining according to claim 4, characterized in that: The four movable slots are provided with T-shaped movable blocks (13). The upper end of the T-shaped movable block (13) is slidably connected to the guide rail (12), and the lower end of the T-shaped movable block (13) is fixedly connected to a second hinge seat (14). The second hinge seat (14) is movably hinged to a connecting rod (10), and the other end of the connecting rod (10) is movably hinged to a first hinge seat (9).

6. The clamping mechanism for gear machining according to claim 5, characterized in that: The upper inner sides of the four T-shaped moving blocks (13) are fixed with triangular fixing blocks, and the top surfaces of the four triangular fixing blocks are vertically fixed with support rods (15). The top surfaces of the support rods (15) are fixed with first arc-shaped clamping blocks (16). The top surfaces of the four first arc-shaped clamping blocks (16) are vertically fixed with screws (17). The upper end of the screws (17) is provided with second arc-shaped clamping blocks (18). The upper and lower ends of the second arc-shaped clamping blocks (18) are fixed to the upper end of the screws (17) by nuts.

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