Screw machine for silicon carbide product preparation production line

Abstract

The utility model discloses a screw machine for a silicon carbide product preparation production line, which comprises a machine tool and a cutter clamp, the machine tool is used for rotationally processing a screw, the cutter clamp is arranged in the middle of the machine tool and used for clamping and fixing a processed cutter bar, a slidable driving clamping block and a slidable driven clamping block are arranged in the cutter clamp, and a rotatable pull rod shaft is arranged on one side of the cutter clamp. When the pull rod shaft rotates, the driving clamping block and the driven clamping block on the two sides can be driven to clamp the tool setting rod inwards to achieve centering clamping and fixing, when the pull rod shaft rotates, the eccentric rotating shaft rotates to drive the floating pressing plate to press downwards, and when the driving clamping block slides downwards, the driving clamping block and the driven clamping block synchronously slide inwards to achieve centering clamping and fixing on the tool setting rod. And the cutter bar can be assembled, disassembled and replaced only by pulling the pull rod shaft, so that the cutter replacing efficiency is greatly improved, and the working intensity of personnel is reduced.

Description

Technical Field

[0001] The utility model relates to the field of bolt production, in particular to a screw machine for a silicon carbide product preparation production line. Background Art

[0002] The screw machine for silicon carbide product production line is a special equipment used for grinding threaded parts such as bolts made of silicon carbide. This device usually has the characteristics of high precision and high efficiency, and can process threaded parts that meet various industry standards.

[0003] In the prior art, when processing screw threads, the screw machine needs to frequently disassemble and replace tool rods of multiple sizes according to the screw pitches of different sizes and models for processing. When the tool rod is installed and uninstalled, the fastening screws of the tool rod need to be manually loosened and tightened frequently, and the manual labor intensity is high and the tool changing efficiency is low. Utility Model Content

[0004] The purpose of the utility model is to solve any one of the problems in the above-mentioned technologies, thereby proposing a screw machine for a silicon carbide product preparation production line.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a screw machine for a silicon carbide product preparation production line, including a machine tool for rotating the screw and a tool clamp in the middle section for clamping and fixing the tool rod being processed, wherein a slidable active clamp block and a driven clamp block are arranged in the tool clamp, and a rotatable pull rod shaft is arranged on one side of the tool clamp, and when the pull rod shaft rotates, the active clamp block and the driven clamp block on both sides can be driven to clamp the tool rod inward to achieve centering clamping and fixing.

[0006] Furthermore, the tool clamp body is a clamping seat fixed on the machine tool, and the clamping seat is in the shape of a T-stage. A clamping block warehouse with a conical surface on the top and a rectangular surface on the bottom is arranged in the center of the clamping seat. The active clamping block and the driven clamping block are slidably arranged in the clamping block warehouse. A through rectangular notch-shaped sliding notch is arranged at the bottom of the center of the clamping seat. The slide groove piece is fixedly embedded in the sliding notch. The slide groove piece is a square piece with a round head notch in the center. Rotating shaft seats are arranged on both sides of the back of the clamping seat, and the pull rod shaft is rotatably passed through the rotating shaft seat.

[0007] Furthermore, the main body of the active clamp is a parallelogram block inclined to the right, a right clamping opening in the shape of a tool rod with a triangular notch is arranged on the upper left side of the parallelogram block of the active clamp, a driven clamping opening in the shape of a right-angled trapezoidal notch is arranged on the lower left side of the parallelogram block of the active clamp, the right side surface of the parallelogram block of the active clamp is a right inclined guide surface, the right inclined guide surface of the active clamp slides in fit with the right conical surface above the inner wall of the clamping block bin of the clamping seat, a sliding shaft is arranged at the center of the bottom surface of the parallelogram block of the active clamp, the sliding shaft of the active clamp slides left and right and is inserted into the round head notch in the center of the slide groove piece, a spring is arranged on the outer wall sleeve of the sliding shaft arranged between the bottom surface of the parallelogram block of the active clamp and the slide groove piece, and a floating pressure plate is arranged at the bottom of the sliding shaft.

[0008] Furthermore, the main body of the driven clamp is a parallelogram block inclined to the left, a triangular notch-shaped left clamping opening of the tool rod is arranged on the upper right side of the parallelogram block of the driven clamp, a rectangular boss-shaped driven clamping platform is arranged on the lower right side of the parallelogram block of the driven clamp, a left inclined guide surface is arranged on the left side surface of the parallelogram block of the driven clamp, the left inclined guide surface of the driven clamp fits and slides with the left conical surface above the inner wall of the clamping block bin of the clamping seat, and the driven clamping platform of the driven clamp slides left and right and is embedded in the driven clamping opening of the active clamp.

[0009] Furthermore, the pull rod shaft body is an eccentric shaft in the shape of an eccentric shaft, the eccentric shaft is rotatably inserted into the shaft seat of the clamping seat, a pull rod seat is arranged at the top of the eccentric shaft, and the side wall of the eccentric shaft is rotatably fitted on the upper surface of the floating pressure plate of the active clamping block.

[0010] The beneficial effects of the utility model are as follows: the right inclined guide surface of the active clamping block fits and slides with the right conical surface above the inner wall of the clamping block bin of the clamping seat, the left inclined guide surface of the driven clamping block fits and slides with the left conical surface above the inner wall of the clamping block bin of the clamping seat, the driven clamping platform of the driven clamping block slides left and right and is embedded in the driven clamping mouth of the active clamping block, the side wall of the eccentric shaft rotates and fits on the upper surface of the floating pressure plate of the active clamping block, when the pull rod shaft rotates, the rotation of the eccentric shaft drives the floating pressure plate to press down, and the active clamping block slides downward and slides inward synchronously with the driven clamping block to realize centering clamping and fixing of the tool rod, and the loading, unloading and replacement of the tool rod can be realized by only pulling the pull rod shaft, which greatly improves the tool changing efficiency and reduces the work intensity of personnel. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0012] Figure 2 This is a front side view of the tool holder of the utility model;

[0013] Figure 3 It is a rear side view of the tool holder of the utility model;

[0014] Figure 4 It is a cross-sectional view of the tool holder of the utility model;

[0015] Figure 5 This is a schematic diagram of the structure of the clamping seat of the utility model;

[0016] Figure 6 It is a cross-sectional view of the clamping seat of the utility model;

[0017] Figure 7 This is a schematic diagram of the structure of the active clamp of the utility model;

[0018] Figure 8 This is a schematic diagram of the structure of the driven clamp of the utility model;

[0019] Fig. 9 This is a schematic diagram of the structure of the slide plate of the utility model;

[0020] Fig.10 It is a structural schematic diagram of the pull rod shaft of the utility model.

[0021] exist Figures 1 to 10 , the correspondence between the component names or lines and the figure numbers is: machine tool 1, tool clamp 2, tool bar 21, clamping seat 22, clamping block compartment 221, downward notch 222, rotating shaft seat 223, active clamping block 23, tool bar right clamping mouth 231, driven clamping mouth 232, right inclined guide surface 233, sliding shaft 234, floating pressure plate 235, driven clamping block 24, tool bar left clamping mouth 241, driven clamping table 242, left inclined guide surface 243, slide groove sheet 25, pull rod shaft 26, eccentric rotating shaft 261, pull rod seat 262, spring 27. DETAILED DESCRIPTION

[0022] Please refer to Figures 1 to 10 ;

[0023] The present embodiment provides a screw machine for a silicon carbide product preparation production line, comprising a machine tool 1 for rotating a screw and a tool clamp 2 in the middle section for clamping and fixing a tool rod 21 being processed, wherein a slidable active clamp block 23 and a driven clamp block 24 are arranged in the tool clamp 2, and a rotatable pull rod shaft 26 is arranged on one side of the tool clamp 2. When the pull rod shaft 26 rotates, the active clamp block 23 and the driven clamp block 24 on both sides can be driven to clamp the tool rod 21 inward to achieve centering clamping and fixing.

[0024] Furthermore, the main body of the tool clamp 2 is a clamping seat 22 fixed on the machine tool 1. The clamping seat 22 is in the shape of a T-stage. A clamping block warehouse 221 with a conical surface on the top and a rectangular surface on the bottom is arranged in the center of the clamping seat 22. The active clamping block 23 and the driven clamping block 24 are slidably arranged in the clamping block warehouse 221. A through rectangular notch-shaped downward sliding notch 222 is arranged at the bottom of the center of the clamping seat 22. The slide groove piece 25 is fixedly embedded in the downward sliding notch 222. The slide groove piece 25 is a square piece with a round head notch in the center. A rotating shaft seat 223 is arranged on both sides of the back side of the clamping seat 22, and the pull rod shaft 26 is rotatably passed through the rotating shaft seat 223.

[0025] Furthermore, the main body of the active clamping block 23 is a parallelogram block inclined to the right, and a right clamping opening 231 of the tool rod in the shape of a triangular notch is arranged on the upper left side of the parallelogram block of the active clamping block 23, and a driven clamping opening 232 in the shape of a right-angled trapezoidal notch is arranged on the lower left side of the parallelogram block of the active clamping block 23. The right side surface of the parallelogram block of the active clamping block 23 is a right inclined guide surface 233, and the right inclined guide surface 233 of the active clamping block 23 slides in contact with the right conical surface above the inner wall of the clamping block bin 221 of the clamping seat 22, and a sliding shaft 234 is arranged at the center of the bottom surface of the parallelogram block of the active clamping block 23. The sliding shaft 234 of the active clamping block 23 slides left and right and passes through the round head notch in the center of the slide groove piece 25. The outer wall of the sliding shaft 234 arranged between the bottom surface of the parallelogram block of the active clamping block 23 and the slide groove piece 25 is sleeved with a spring 27, and a floating pressure plate 235 is arranged at the bottom of the sliding shaft 234.

[0026] In a specific embodiment, the sliding shaft 234 of the active clamp 23 slides left and right through the round-headed groove in the center of the slide slot 25. When the active clamp 23 slides down against the side wall of the clamp bin 221 of the clamp seat 22, the active clamp 23 and the driven clamp 24 approach each other, and at the same time, the spring 27 mounted on the sliding shaft 234 of the active clamp 23 is compressed to store energy.

[0027] Furthermore, the main body of the driven clamp 24 is a parallelogram block inclined to the left, a triangular notch-shaped tool rod left clamping opening 241 is provided on the upper right side of the parallelogram block of the driven clamp 24, a rectangular boss-shaped driven clamping platform 242 is provided on the lower right side of the parallelogram block of the driven clamp 24, a left inclined guide surface 243 is provided on the left side surface of the parallelogram block of the driven clamp 24, the left inclined guide surface 243 of the driven clamp 24 is fitted and slid with the left conical surface on the upper inner wall of the clamping block chamber 221 of the clamping seat 22, and the driven clamping platform 242 of the driven clamp 24 slides left and right and is embedded in the driven clamping opening 232 of the active clamp 23.

[0028] Furthermore, the main body of the pull rod shaft 26 is an eccentric shaft 261 in the shape of an eccentric shaft. The eccentric shaft 261 is rotatably inserted into the shaft seat 223 of the clamping seat 22. A pull rod seat 262 is provided at the top of the eccentric shaft 261. The side wall of the eccentric shaft 261 is rotatably attached to the upper surface of the floating pressure plate 235 of the active clamp 23.

[0029] When the present invention is used, when it is necessary to process the bolt, first select the tool rod 21 of the corresponding processing model and place it between the right clamping opening 231 of the tool rod of the active clamping block 23 and the left clamping opening 241 of the tool rod of the driven clamping block 24, manually hold the pull rod seat 262, rotate the pull rod shaft 26 clockwise, and the eccentric rotating shaft 261 of the pull rod shaft 26 rotates to drive the active clamping block 23 to slide downward, and the active clamping block 23 and the driven clamping block 24 slide inward synchronously to clamp and fix the tool rod 21. When a different model of tool rod 21 needs to be replaced, just rotate the pull rod shaft 26 counterclockwise, and the spring 27 releases to push the active clamping block 23 and the driven clamping block 24 to open to both sides, and the tool rod 21 is loosened and can be easily removed manually for replacement.

[0030] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A screw machine for a production line for preparing silicon carbide products, comprising a machine tool (1) for rotating a screw and a tool holder (2) in the middle for clamping and fixing a tool bar (21) for processing, characterized in that: The tool clamp (2) is provided with a slidable active clamping block (23) and a driven clamping block (24), and a rotatable pull rod shaft (26) is provided on one side of the tool clamp (2). When the pull rod shaft (26) rotates, the active clamping blocks (23) and driven clamping blocks (24) on both sides can be driven to clamp the tool rod (21) inwardly to achieve centering clamping and fixing.

2. The screw machine for the silicon carbide product production line according to claim 1, characterized in that: The tool clamp (2) is mainly a clamping seat (22) fixed on the machine tool (1). The clamping seat (22) is in the shape of a T-stage. A clamping block bin (221) with a conical surface on the top and a rectangular surface on the bottom is arranged in the center of the clamping seat (22). An active clamping block (23) and a driven clamping block (24) are slidably arranged in the clamping block bin (221). A rectangular notch-shaped downward groove (222) is arranged at the bottom of the center of the clamping seat (22). A slide groove piece (25) is fixedly embedded in the downward groove (222). The slide groove piece (25) is in the shape of a square piece with a round head notch in the center. A rotating shaft seat (223) is arranged on both sides of the back of the clamping seat (22). The pull rod shaft (26) is rotatably arranged in the rotating shaft seat (223).

3. The screw machine for the silicon carbide product production line according to claim 2, characterized in that: The main body of the active clamping block (23) is a parallelogram block tilted to the right, a right clamping opening (231) of the knife bar in the shape of a triangular notch is arranged on the upper left side of the parallelogram block of the active clamping block (23), a driven clamping opening (232) in the shape of a right-angled trapezoidal notch is arranged on the lower left side of the parallelogram block of the active clamping block (23), the right side surface of the parallelogram block of the active clamping block (23) is a right oblique guide surface (233), and the right oblique guide surface (233) of the active clamping block (23) and the clamping seat (22) are connected. The cone surface on the right side of the upper inner wall of the block bin (221) fits and slides, a sliding shaft (234) is provided at the center of the bottom surface of the parallelogram block of the active clamping block (23), and the sliding shaft (234) of the active clamping block (23) slides left and right through the round head notch at the center of the slide groove piece (25), a spring (27) is sleeved on the outer wall of the sliding shaft (234) provided between the bottom surface of the parallelogram block of the active clamping block (23) and the slide groove piece (25), and a floating pressure plate (235) is provided at the bottom of the sliding shaft (234).

4. The screw machine for the silicon carbide product production line according to claim 2, characterized in that: The main body of the driven clamp block (24) is a parallelogram block tilted to the left, a triangular notch-shaped tool bar left clamping opening (241) is provided on the upper right side of the parallelogram block of the driven clamp block (24), a rectangular boss-shaped driven clamping platform (242) is provided on the lower right side of the parallelogram block of the driven clamp block (24), a left oblique guide surface (243) is provided on the left side of the parallelogram block of the driven clamp block (24), the left oblique guide surface (243) of the driven clamp block (24) is fitted and slidably engaged with the left conical surface on the upper inner wall of the clamping block chamber (221) of the clamping seat (22), and the driven clamping platform (242) of the driven clamp block (24) slides left and right to be embedded in the driven clamping opening (232) of the active clamp block (23).

5. The screw machine for the silicon carbide product production line according to claim 2, characterized in that: The main body of the pull rod shaft (26) is an eccentric shaft (261) in the shape of an eccentric shaft rod. The eccentric shaft (261) is rotatably inserted into the shaft seat (223) of the clamping seat (22). A pull rod seat (262) is provided at the top of the eccentric shaft (261). The side wall of the eccentric shaft (261) is rotatably attached to the upper surface of the floating pressure plate (235) of the active clamping block (23).

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