Auxiliary tool for grinding external thread raceway of lead screw

Abstract

The auxiliary tool comprises a machining table, one side of the machining table is fixedly connected with a moving mechanism, one side of the moving mechanism is fixedly connected with a first motor through a connecting plate, the output end of the first motor is fixedly connected with a grinding wheel, and the output end of the grinding wheel is fixedly connected with a grinding wheel. A lead screw is clamped through one end of a clamp, the other end of the lead screw is placed on the top of a supporting plate, then an electric air cylinder is started, the electric air cylinder drives a moving rod to move upwards through a limiting block, auxiliary wheels on the two sides are driven to roll in the moving process, a rotating handle is driven to rotate through the auxiliary wheels, and the rotating handle drives a positioning wheel to move through rotation; the positioning wheels on the two sides are matched with the supporting wheels to fix the lead screw, then the first motor is driven by the moving mechanism to move, the first motor is started to drive the grinding wheel to rotate, the lead screw is ground through the grinding wheel, and therefore the purposes that the lead screw is supported during machining, and vibration and deviation of the lead screw can be avoided easily during thread grinding can be achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of screw rod processing, in particular to an auxiliary tool for grinding the external thread raceway of a screw rod. Background Art

[0002] A lead screw, also known as a screw, is a mechanical transmission component. It is an ideal product for converting rotary motion into linear motion, or vice versa. It has good load-bearing capacity and self-locking performance. Its structure includes a threaded part and a smooth shaft part. The threaded part is used to transmit power and motion, while the smooth shaft part facilitates the installation of bearings, couplings and other components, and is used for positioning in machinery and equipment.

[0003] During the existing screw grinding process, a fixture is used to clamp and fix the screw, and the external thread raceway is ground by a grinding device. During the grinding process, due to the lack of support at the front end of the screw, the screw is prone to vibration and deviation when grinding the thread, thereby affecting the quality of the screw processing. Therefore, an auxiliary tooling for screw external thread raceway grinding is proposed to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide an auxiliary tooling for grinding the external thread raceway of a screw rod, which has the function of supporting the screw rod during processing, thereby preventing the screw rod from vibrating and deflecting easily when grinding the thread, so as to solve the above-mentioned background technical problems.

[0005] The technical solution for solving the above-mentioned technical problems is as follows: an auxiliary tool for grinding the external thread raceway of a screw rod, comprising a processing table, one side of the processing table is fixedly connected to a moving mechanism, one side of the moving mechanism is fixedly connected to a first motor through a connecting plate, the output end of the first motor is fixedly connected to a grinding wheel, the top of the processing table is fixedly connected to a second motor through a support frame, and the output end of the second motor is fixedly connected to a clamp. The inner cavity of the processing table and the side corresponding to the clamp is provided with a support plate, the inner cavity of the support plate is fixedly connected to a limiting block, the inner cavity of the support plate is provided with a moving rod, the bottom of the moving rod is fixedly connected to an electric cylinder, the top of the moving rod is rotatably connected to a supporting wheel, and both sides of the inner cavity of the processing table are rotatably connected to a rotating handle through a fixed seat, the top of the rotating handle is rotatably connected to a positioning wheel, and the bottom of the rotating handle is rotatably connected to an auxiliary wheel.

[0006] Preferably, the moving mechanism includes a fixed frame fixedly connected to one side of the processing table, a first servo motor is fixedly connected to one side of the fixed frame, an output end of the first servo motor passes through the fixed frame and extends to one side of the fixed frame and is fixedly connected to a first screw, the outer side of the first screw is threadedly connected to the moving frame, both sides of the inner cavity of the moving frame are slidably connected to sliding rods, and the fixed frame is fixedly connected to the sliding rod.

[0007] Preferably, the moving mechanism also includes a second servo motor fixedly connected to one side of the moving frame, the output end of the second servo motor passes through the moving frame and extends to one side of the moving frame and is fixedly connected to a second screw, the outer side of the second screw is threadedly connected to a threaded block, and both sides of the inner cavity of the threaded block are slidably connected to sliding rods, and the sliding rods are fixedly connected to the moving frame.

[0008] Preferably, the two sides of the limit block and the positions corresponding to the auxiliary wheels are designed as inclined surfaces.

[0009] Preferably, the auxiliary wheel is rollingly connected to the moving rod, and the connection is tightly fitted.

[0010] Preferably, the number of the limit blocks is set to two, and they are evenly arranged on the upper and lower sides of the inner cavity of the support plate, and the limit blocks are slidably connected to the moving rod.

[0011] The beneficial effects of the utility model are:

[0012] 1. The utility model clamps the screw rod through one end of the clamp and places the other end on the top of the support plate, then starts the electric cylinder, the electric cylinder drives the moving rod to move upward through the limit block, and drives the auxiliary wheels on both sides to roll during the movement, and the auxiliary wheels drive the turning handle to rotate, and the turning handle drives the positioning wheel to move by rotation, and the positioning wheels on both sides cooperate with the supporting wheels to fix the screw rod, and then the moving mechanism drives the first motor to move, and the first motor is started to drive the grinding wheel to rotate, and the grinding wheel is used to grind the screw rod, so as to achieve the purpose of supporting the screw rod during processing, thereby preventing the screw rod from vibrating and deflecting easily when grinding the thread;

[0013] 2. The utility model provides a bevel design on both sides of the limit block to facilitate the rolling of the auxiliary wheels;

[0014] 3. The auxiliary wheels provided in the utility model are connected in a rolling manner to the movable rod, so that the movable rod can drive the auxiliary wheels on both sides to move, thereby driving the rotating handle to swing;

[0015] 4. The utility model provides two limit blocks, which are slidably connected to the moving rod, so that the limit blocks can be used to limit and fix the moving rod during movement, thereby preventing deviation during movement. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] in:

[0017] Figure 1 A perspective view of an embodiment of the present utility model;

[0018] Figure 2This is a three-dimensional diagram of a moving block according to an embodiment of the present utility model;

[0019] Figure 3 This is a three-dimensional diagram of a moving rod and a rotating handle according to an embodiment of the present utility model;

[0020] Figure 4 This is a front view of a support plate according to an embodiment of the present invention.

[0021] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0022] 1. Processing table, 2. Moving mechanism, 21. Fixed frame, 22. First servo motor, 23. First screw, 24. Moving frame, 25. Second servo motor, 26. Second screw, 27. Threaded block, 3. First motor, 4. Grinding wheel, 5. Second motor, 6. Clamp, 7. Support plate, 8. Limit block, 9. Moving rod, 10. Electric cylinder, 11. Support wheel, 12. Turning handle, 13. Positioning wheel, 14. Auxiliary wheel. DETAILED DESCRIPTION

[0023] Hereinafter, an embodiment of the auxiliary tool for grinding the external thread raceway of a screw rod of the present invention will be described with reference to the accompanying drawings. Example 1

[0024] Figure 1-4The utility model shows an embodiment of a screw rod external thread raceway grinding auxiliary tool, which includes a processing table 1, a mobile mechanism 2 is fixedly connected to one side of the processing table 1, a first motor 3 is fixedly connected to one side of the mobile mechanism 2 through a connecting plate, a grinding wheel 4 is fixedly connected to the output end of the first motor 3, a second motor 5 is fixedly connected to the top of the processing table 1 through a support frame, a clamp 6 is fixedly connected to the output end of the second motor 5, a support plate 7 is provided in the inner cavity of the processing table 1 and the side corresponding to the clamp 6, and the inner cavity of the support plate 7 is fixedly connected to a limit block 8, and both sides of the limit block 8 are fixedly connected to the auxiliary wheel 1 4 The corresponding position is designed with an inclined surface. By setting the two sides of the limit block 8 as an inclined surface design, it is convenient for the auxiliary wheel 14 to roll. The number of the limit blocks 8 is set to two, and they are evenly set on the upper and lower sides of the inner cavity of the support plate 7. The limit block 8 is slidably connected to the moving rod 9. The number of the limit blocks 8 is two, and they are slidably connected to the moving rod 9. It is convenient to limit and fix the moving rod 9 during movement through the limit block 8 to prevent deviation during movement. The inner cavity of the support plate 7 is provided with a moving rod 9. The bottom of the moving rod 9 is fixedly connected to the electric cylinder 10, and the top of the moving rod 9 is rotatably connected to the support The top of the rotating handle 12 is rotatably connected to the positioning wheel 13, and the bottom of the rotating handle 12 is rotatably connected to the auxiliary wheel 14. The auxiliary wheel 14 is rollingly connected to the moving rod 9, and the connection is tightly fitted. The auxiliary wheel 14 is rollingly connected to the moving rod 9, which facilitates the moving rod 9 to drive the auxiliary wheels 14 on both sides to move, thereby driving the rotating handle 12 to swing. By clamping the screw rod through one end of the clamp 6 and placing the other end on the top of the support plate 7, the electric cylinder 10 is then started, and the electric cylinder 10 drives the moving rod 9 to move. The movable rod 9 moves upward through the limit block 8, and drives the auxiliary wheels 14 on both sides to roll during the movement, and drives the turning handle 12 to rotate through the auxiliary wheel 14. The turning handle 12 drives the positioning wheel 13 to move through the rotation, and the positioning wheels 13 on both sides cooperate with the supporting wheels 11 to fix the screw rod, and then drives the first motor 3 to move through the moving mechanism 2, and starts the first motor 3 to drive the grinding wheel 4 to rotate, and grinds the screw rod through the grinding wheel 4, which can achieve the purpose of supporting the screw rod during processing, thereby avoiding vibration and deviation of the screw rod when grinding the thread. Example 2

[0025] Figure 1-4The utility model shows an embodiment of a screw rod external thread raceway grinding auxiliary tooling, which includes a processing table 1, a moving mechanism 2 fixedly connected to one side of the processing table 1, and the moving mechanism 2 includes a fixed frame 21 fixedly connected to one side of the processing table 1, and a first servo motor 22 fixedly connected to one side of the fixed frame 21. The output end of the first servo motor 22 passes through the fixed frame 21 and extends to one side of the fixed frame 21 and is fixedly connected to a first screw 23. The outer side of the first screw 23 is threadedly connected to a moving frame 24. Both sides of the inner cavity of the moving frame 24 are slidably connected to a slide rod. The fixed frame 21 is fixedly connected to the slide rod. The moving mechanism 2 also includes a second servo motor 25 fixedly connected to one side of the moving frame 24. The output end of the second servo motor 25 passes through the moving frame 24 and extends to one side of the moving frame 24 and is fixedly connected to a second screw 26. The outer side of the second screw 26 is threadedly connected to There is a threaded block 27, and both sides of the inner cavity of the threaded block 27 are slidably connected with sliding rods, and the sliding rods are fixedly connected to the moving frame 24. One side of the moving mechanism 2 is fixedly connected to the first motor 3 through a connecting plate, and the output end of the first motor 3 is fixedly connected to the grinding wheel 4. The top of the processing table 1 is fixedly connected to the second motor 5 through a support frame, and the output end of the second motor 5 is fixedly connected to the clamp 6. The inner cavity of the processing table 1 and the side corresponding to the clamp 6 are provided with a support plate 7, and the inner cavity of the support plate 7 is fixedly connected to the limiting block 8. The inner cavity of the support plate 7 is provided with a moving rod 9, and the bottom of the moving rod 9 is fixedly connected to the electric cylinder 10. The top of the moving rod 9 is rotatably connected to the support wheel 11. Both sides of the inner cavity of the processing table 1 are rotatably connected to the turning handle 12 through a fixed seat. The top of the turning handle 12 is rotatably connected to the positioning wheel 13, and the bottom of the turning handle 12 is rotatably connected to the auxiliary wheel 14.

[0026] Working principle: When the present invention is used, the user clamps the screw rod through one end of the clamp 6 and places the other end on the top of the support plate 7, and then starts the electric cylinder 10. The electric cylinder 10 drives the moving rod 9 to move upward through the limit block 8, and during the movement, drives the auxiliary wheels 14 on both sides to roll, so that the auxiliary wheels 14 increase the rotation angle through the moving rod 9, and then drives the turning handle 12 to rotate through the auxiliary wheels 14. The turning handle 12 drives the positioning wheel 13 to move through the rotation, and the positioning wheels 13 on both sides cooperate with the support wheels 11 to fix the screw rod, and then starts The first servo motor 22 drives the first screw 23 to move, and the first screw 23 drives the movable frame 24 to move through the slide rod, and then the second servo motor 25 is started, and the second servo motor 25 drives the second screw 26 to rotate, and the second screw 26 drives the thread block 27 to move through the slide rod, and drives the first motor 3 to move through the thread block 27, and starts the first motor 3 to drive the grinding wheel 4 to rotate, so that the grinding wheel 4 grinds the screw rod, which can achieve the purpose of supporting the screw rod during processing, thereby avoiding the screw rod from vibrating and deflecting easily when grinding the thread.

Claims

1. An auxiliary tool for grinding the external thread raceway of a screw rod, characterized in that: The invention comprises a processing table (1), wherein one side of the processing table (1) is fixedly connected to a moving mechanism (2), one side of the moving mechanism (2) is fixedly connected to a first motor (3) via a connecting plate, an output end of the first motor (3) is fixedly connected to a grinding wheel (4), a top of the processing table (1) is fixedly connected to a second motor (5) via a supporting frame, an output end of the second motor (5) is fixedly connected to a clamp (6), an inner cavity of the processing table (1) corresponding to one side of the clamp (6) is provided with a supporting plate (7), the inner cavity of the supporting plate (7) is fixedly connected to a limiting block (8), a moving rod (9) is provided in the inner cavity of the supporting plate (7), the bottom of the moving rod (9) is fixedly connected to an electric cylinder (10), the top of the moving rod (9) is rotatably connected to a supporting wheel (11), both sides of the inner cavity of the processing table (1) are rotatably connected to a rotating handle (12) via a fixed seat, the top of the rotating handle (12) is rotatably connected to a positioning wheel (13), and the bottom of the rotating handle (12) is rotatably connected to an auxiliary wheel (14).

2. The auxiliary tooling for grinding the external thread raceway of a screw rod according to claim 1, characterized in that: The moving mechanism (2) includes a fixed frame (21) fixedly connected to one side of the processing table (1), a first servo motor (22) fixedly connected to one side of the fixed frame (21), an output end of the first servo motor (22) passes through the fixed frame (21) and extends to one side of the fixed frame (21) and is fixedly connected to a first screw rod (23), the outer side of the first screw rod (23) is threadedly connected to a moving frame (24), both sides of the inner cavity of the moving frame (24) are slidably connected to sliding rods, and the fixed frame (21) is fixedly connected to the sliding rods.

3. The auxiliary tooling for grinding the external thread raceway of a screw rod according to claim 2, characterized in that: The moving mechanism (2) further includes a second servo motor (25) fixedly connected to one side of the moving frame (24), an output end of the second servo motor (25) passes through the moving frame (24) and extends to one side of the moving frame (24) and is fixedly connected to a second screw rod (26), an outer side of the second screw rod (26) is threadedly connected to a threaded block (27), both sides of the inner cavity of the threaded block (27) are slidably connected to a sliding rod, and the sliding rod is fixedly connected to the moving frame (24).

4. The auxiliary tool for grinding the external thread raceway of a screw rod according to claim 1, characterized in that: Both sides of the limit block (8) and the positions corresponding to the auxiliary wheels (14) are designed as inclined surfaces.

5. The auxiliary tool for grinding the external thread raceway of a screw rod according to claim 1, characterized in that: The auxiliary wheel (14) is rollingly connected to the moving rod (9), and the connection is tightly fitted.

6. The auxiliary tool for grinding the external thread raceway of a screw rod according to claim 1, characterized in that: The number of the limit blocks (8) is set to two, and they are evenly arranged on the upper and lower sides of the inner cavity of the support plate (7), and the limit blocks (8) are slidably connected to the moving rod (9).

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