Trapezoidal lead screw external thread raceway grinding tool

Abstract

The utility model discloses a trapezoidal lead screw external thread raceway grinding tool which comprises a lathe bed, an adjusting plate is arranged at the top of the lathe bed, a workbench is connected to the top of the adjusting plate in a sliding mode, a rotating handle is rotated to be matched with the adjusting plate to adjust the workbench left and right, the workbench drives a positioning plate to move synchronously, and a workpiece is clamped and fixed through a clamp. The crank is rotated, the crank drives the driving wheel to rotate, the driving wheel drives the driven wheel to rotate through the auxiliary wheel, the driven wheel drives the threaded rod on one side to rotate through the sliding plate, the threaded rod moves through the threaded sleeve so as to drive the sliding plate to move, meanwhile, the connecting column drives the clamp on one side to rotate through the vertical plate, and a workpiece can rotate while moving; and then the workpiece is ground through the grinding assembly, so that the purposes that the surface roughness of the external thread raceway of the ground trapezoidal lead screw is reduced, the transmission efficiency is improved, and meanwhile, the abrasion and seizure phenomena caused by the rough surface in the using process are prevented are achieved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to trapezoidal screw production technical field, especially, relate to a trapezoidal screw outer thread raceway grinding frock. BACKGROUND

[0002] Trapezoidal screw is a kind of mechanical transmission component, its appearance is slender cylinder, surface has trapezoidal thread, the tooth shape of thread is isosceles trapezoidal, trapezoidal thread has good load capacity and self-locking performance, its structure includes thread part and light axle part, thread part is used to transmit power and movement, light axle part is convenient for installing bearing, coupling and other components, and is used to position in machine equipment.

[0003] The raceway surface of prior art trapezoidal screw before grinding can leave obvious machining marks due to turning and other rough machining processes, the surface roughness value is higher, which leads to larger friction between the trapezoidal screw and workpiece, and wear and seizure phenomenon due to surface roughness in use process, thereby reducing transmission efficiency, so a trapezoidal screw outer thread raceway grinding frock is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a trapezoidal screw outer thread raceway grinding frock, which has the purposes of reducing the surface roughness of trapezoidal screw outer thread raceway after grinding, improving transmission efficiency, and preventing wear and seizure phenomenon due to surface roughness in use process, so as to solve the above background technical problems.

[0005] The utility model solves the above technical problems by the following technical scheme: a trapezoidal screw outer thread raceway grinding frock, which comprises a bed body, an adjusting plate is arranged on the top of the bed body, a workbench is slidably connected to the top of the adjusting plate, the adjusting plate and the workbench are connected through a rotating handle transmission, a grinding assembly is arranged on one side of the bed body, a vertical plate is arranged in the inner cavity of the adjusting plate, a sliding plate is arranged on the bottom of the vertical plate, a connecting column is rotatably connected to the inner cavity of the vertical plate, a clamp is fixedly connected to one side of the connecting column, a driving wheel is fixedly connected to the side of the connecting column away from the clamp, a crank handle is fixedly connected to one side of the driving wheel, an auxiliary wheel is meshingly connected to one side of the driving wheel, a driven wheel is meshingly connected to the side of the auxiliary wheel away from the driving wheel, a positioning plate is fixedly connected to the bottom of the inner cavity of the adjusting plate, a threaded sleeve is fixedly connected to the inner cavity of the positioning plate, a threaded rod is threadedly connected to the inner cavity of the threaded sleeve, and the threaded rod is fixedly connected to the driven wheel on one side and extends through the sliding plate to the other side of the sliding plate.

[0006] Preferably, the grinding assembly comprises a grinding wheel frame fixedly connected to one side of the bed body, a moving block is slidably connected to the inner cavity of the grinding wheel frame, a protective cover is fixedly connected to one side of the moving block, and a grinding machine body is arranged in the inner cavity of the protective cover.

[0007] Preferably, one side of the clamp is provided with an adjusting handle, and the clamp is rotationally connected through the adjusting handle.

[0008] Preferably, the top of the sliding plate is fixedly connected with a fixed plate, and the fixed plate is rotationally connected with the auxiliary wheel.

[0009] Preferably, the sliding plate is slidably connected with the positioning plate, and the connection is tightly fitted.

[0010] Preferably, both sides of the top of the positioning plate are fixedly connected with guide blocks, and the inner cavity of the sliding plate is provided with guide grooves matched with the guide blocks.

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

[0012] 1, the utility model discloses a workbench is adjusted left and right through the cooperation of the rotation of the handle and the adjusting plate, and the positioning plate is synchronously moved through the workbench, then the workpiece is clamped and fixed through the clamp, the handle is rotated, and the driving wheel is rotated through the driving of the handle, and the driving wheel drives the driven wheel to rotate through the auxiliary wheel, and the driven wheel drives the threaded rod on one side to rotate through the sliding plate, so that the threaded rod moves through the threaded sleeve, thereby moving the sliding plate, the connecting column drives the clamp on one side to rotate through the vertical plate at the same time of moving, so that the workpiece can move and rotate simultaneously, then the workpiece is ground through the grinding assembly, and the trapezoidal screw rod external thread raceway surface roughness after grinding can be reduced, transmission efficiency is improved, and the purpose that wear and seizure phenomenon caused by surface roughness in the use process is also prevented.

[0013] 2, the utility model discloses the grinding wheel frame is set up, plays the role of support and is convenient for the up and down movement of the moving block, the moving block is set up, and it is convenient to drive the protective cover to move up and down, the protective cover is set up, and it is convenient to install the grinding machine body, and the grinding machine body is set up, and it is convenient to grind the trapezoidal screw rod.

[0014] 3, the utility model discloses the fixed plate is set up, and it is convenient to fix the auxiliary wheel, and the auxiliary wheel is rotatably supported.

[0015] 4, the utility model discloses the adjusting handle is set up, and it is convenient to adjust the clamp. DRAWINGS

[0016] Among them:

[0017] Fig. 1 It is the perspective view of one embodiment of the utility model;

[0018] Fig. 2 It is the driving wheel, auxiliary wheel and driven wheel perspective view of one embodiment of the utility model;

[0019] Fig. 3 A fixture and a threaded rod perspective view of an embodiment of the utility model.

[0020] In the drawings, the component list represented by each sign is as follows:

[0021] 1, bed, 2, adjusting plate, 3, workbench, 4, handle, 5, grinding wheel frame, 6, moving block, 7, protective cover, 8, grinding machine body, 9, vertical plate, 10, slide plate, 11, connecting column, 12, fixture, 13, driving wheel, 14, crank, 15, auxiliary wheel, 16, driven wheel, 17, positioning plate, 18, threaded sleeve, 19, adjusting handle, 20, fixed plate, 21, threaded rod. DETAILED DESCRIPTION

[0022] In the following, the embodiment of the trapezoidal screw thread rolling way grinding tool of the utility model will be described with reference to the drawings.

[0023] Embodiment one:

[0024] Figs. 1-3The utility model discloses a trapezoidal screw outer thread raceway grinding tool which is shown in an embodiment of the utility model, and the trapezoidal screw outer thread raceway grinding tool comprises a bed 1, the top of the bed 1 is provided with an adjusting plate 2, the top of the adjusting plate 2 is slidably connected with a workbench 3, the adjusting plate 2 and the workbench 3 are drivingly connected through a rotating handle 4, one side of the bed 1 is provided with a grinding assembly, the grinding assembly comprises a grinding wheel frame 5 fixedly connected to one side of the bed 1, the inner cavity of the grinding wheel frame 5 is slidably connected with a moving block 6, one side of the moving block 6 is fixedly connected with a protective cover 7, the inner cavity of the protective cover 7 is provided with a grinding machine body 8, the grinding wheel frame 5 is arranged, plays the role of support and facilitates the up-down movement of the moving block 6, the moving block 6 is arranged, facilitates the up-down movement of the protective cover 7, the protective cover 7 is arranged, facilitates the installation of the grinding machine body 8, the grinding machine body 8 is arranged, facilitates the trapezoidal screw to grind, the inner cavity of the adjusting plate 2 is provided with a vertical plate 9, the bottom of the vertical plate 9 is provided with a sliding plate 10, the top of the sliding plate 10 is fixedly connected with a fixed plate 20, the fixed plate 20 is rotatably connected with an auxiliary wheel 15, the inner cavity of the vertical plate 9 is rotatably connected with a connecting column 11, one side of the connecting column 11 is fixedly connected with a clamp 12, one side of the clamp 12 is provided with an adjusting handle 19, the clamp 12 is rotatably connected through the adjusting handle 19, the adjusting handle 19 is arranged, facilitates the adjustment of the clamp 12, the connecting column 11 and the side, away from the clamp 12, are fixedly connected with a driving wheel 13, one side of the driving wheel 13 is fixedly connected with a crank 14, one side of the driving wheel 13 is meshingly connected with the auxiliary wheel 15, one side of the auxiliary wheel 15, away from the driving wheel 13, is meshingly connected with a driven wheel 16, the bottom of the inner cavity of the adjusting plate 2 is fixedly connected with a positioning plate 17, the inner cavity of the positioning plate 17 is fixedly connected with a threaded sleeve 18, the inner cavity of the threaded sleeve 18 is threadedly connected with a threaded rod 21, one side of the threaded rod 21 penetrates through the sliding plate 10 and extends to the side of the sliding plate 10 and is fixedly connected with the driven wheel 16, the workbench 3 is adjusted left and right through the rotating rotating handle 4 and the adjusting plate 2, the positioning plate 17 is synchronously moved through the workbench 3, then the workpiece is clamped and fixed through the clamp 12, the crank 14 drives the driving wheel 13 to rotate through the rotating crank 14, the driving wheel 13 drives the driven wheel 16 to rotate through the auxiliary wheel 15, the driven wheel 16 drives the threaded rod 21 on one side to rotate through the sliding plate 10, the threaded rod 21 moves through the threaded sleeve 18, thereby driving the sliding plate 10 to move, while moving, the connecting column 11 drives the clamp 12 on one side to rotate through the vertical plate 9, so that the workpiece can move and rotate at the same time, then the workpiece is ground through the grinding assembly, the trapezoidal screw outer thread raceway surface roughness after grinding can be reduced, the transmission efficiency is improved, and the wear and seizure phenomenon caused by the surface roughness during use can also be prevented.

[0025] Embodiment two:

[0026] Figs. 1-3The utility model discloses a trapezoidal screw outer thread raceway grinding tool which comprises a bed body 1, the top of the bed body 1 is provided with an adjusting plate 2, the top of the adjusting plate 2 is slidably connected with a workbench 3, the adjusting plate 2 and the workbench 3 are drivingly connected through a rotating handle 4, one side of the bed body 1 is provided with a grinding assembly, the inner cavity of the adjusting plate 2 is provided with a vertical plate 9, the bottom of the vertical plate 9 is provided with a sliding plate 10, the sliding plate 10 is slidably connected with a positioning plate 17, and the connecting part is tightly attached, the sliding plate 10 is slidably connected with the positioning plate 17, the vertical plate 9 is used to drive the grinding assembly to move, the inner cavity of the vertical plate 9 is rotatably connected with a connecting column 11, one side of the connecting column 11 is fixedly connected with a clamp 12, one side of the connecting column 11 away from the clamp 12 is fixedly connected with a driving wheel 13, one side of the driving wheel 13 is fixedly connected with a crank handle 14, one side of the driving wheel 13 is meshedly connected with an auxiliary wheel 15, one side of the auxiliary wheel 15 away from the driving wheel 13 is meshedly connected with a driven wheel 16, the bottom of the inner cavity of the adjusting plate 2 is fixedly connected with the positioning plate 17, the positioning plate 17 is fixedly connected with guide blocks on the two sides of the top, the inner cavity of the sliding plate 10 is provided with guide grooves matched with the guide blocks, the guide blocks and the guide grooves are used to limit the movement of the sliding plate 10, the inner cavity of the positioning plate 17 is fixedly connected with a threaded sleeve 18, the inner cavity of the threaded sleeve 18 is threadedly connected with a threaded rod 21, one side of the threaded rod 21 penetrates through the sliding plate 10 and is fixedly connected with the driven wheel 16 on one side of the sliding plate 10.

[0027] Working principle: when the utility model is used, the user adjusts the workbench 3 left and right by rotating the rotating handle 4 and cooperating with the adjusting plate 2, the positioning plate 17 is synchronously moved by the workbench 3, then the clamp 12 is adjusted by adjusting the adjusting handle 19, and the workpiece is clamped and fixed, the driving wheel 13 is rotated by rotating the crank handle 14, the auxiliary wheel 15 is rotated by the driving wheel 13 through the fixed plate 20, the driven wheel 16 is rotated by the auxiliary wheel 15, the threaded rod 21 on one side is rotated by the driven wheel 16 through the sliding plate 10, the threaded rod 21 is moved through the threaded sleeve 18, and the sliding plate 10 is moved by being supported and slid through the guide groove and the guide block in the moving process, the clamp 12 on one side is rotated by the connecting column 11 through the vertical plate 9, the workpiece can be moved and rotated at the same time, then the moving block 6 is used to move the protective cover 7 up and down, the protective cover 7 is used to install the grinding machine body 8, the grinding machine body 8 is used to grind the trapezoidal screw outer thread raceway, the surface roughness of the trapezoidal screw outer thread raceway after grinding is reduced, the transmission efficiency is improved, and the wear and seizure caused by the surface roughness during use are prevented.

Claims

1. A trapezoidal screw outer thread raceway grinding tool, characterized by, The utility model relates to a grinding machine bed body (1) is provided with the grinding assembly on one side, the grinding assembly includes the grinding wheel frame (5) fixed connection on the one side of bed body (1), the inner chamber of grinding wheel frame (5) is connected with the moving block (6) of sliding, the one side of moving block (6) is fixedly connected with the protective cover (7), and the inner chamber of protective cover (7) is provided with grinding machine body (8).

2. The trapezoidal screw outer thread raceway grinding tool according to claim 1, characterized in that, The one side of clamp (12) is provided with adjusting handle (19), and clamp (12) is rotatably connected through adjusting handle (19).

3. The trapezoidal screw thread raceway grinding tool of claim 1, wherein, The top of slide plate (10) is fixedly connected with fixed plate (20), and fixed plate (20) is rotatably connected with auxiliary wheel (15).

4. The trapezoidal screw thread raceway grinding tool of claim 1, wherein, Slide plate (10) is slidably connected with positioning plate (17), and the connecting part is tightly attached.

5. The trapezoidal screw thread raceway grinding tool of claim 1, wherein, The inner chamber of slide plate (10) is provided with guide groove matched with guide block.

6. The trapezoidal screw thread raceway grinding tool of claim 1, wherein, The top of positioning plate (17) is fixedly connected with guide block on both sides.

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