High-precision clamping jaw thread grinding tool clamp

Abstract

The utility model provides a high-precision clamping jaw thread grinding tool clamp which comprises a fixed base, clamping mechanisms are movably arranged on the two sides of the top of a rotating disc, a machining base is movably installed in the middle of the top end of a movable rack, and auxiliary clamping rollers are arranged on the side positions of a first clamping base and a second clamping base. The clamping mechanism is composed of the first clamping base and the second clamping base which are symmetrical, a workpiece is placed on the machining base, the first clamping base and the second clamping base are pushed by the pressing air cylinder to be close to the machining base, the middle position of the workpiece is pressed through the main pressing block, and the workpiece is clamped through the main pressing block. Meanwhile, auxiliary clamping rollers on the sides of the first clamping seat and the second clamping seat are located at the top and the bottom of the protruding part of the workpiece correspondingly, two inner sliding blocks are adjusted to move towards the middle under driving of a lead screw, the two auxiliary clamping rollers are made to be close to the two ends of the workpiece, and then the two ends of the workpiece are clamped in an auxiliary mode; and the workpiece is fixed more stably, so that the clamping jaw piece of an arc-shaped structure is fixed.

Description

Technical Field

[0001] This utility model belongs to the field of chuck machining technology and relates to a high-precision chuck thread grinding fixture. Background Technology

[0002] In mechanical manufacturing, many high-hardness precision measuring tools or precision workpieces have threads, such as threaded chucks. Chucks are parts in mechanical structures, such as chucks, used to hold and clamp workpieces, or machine tool accessories for clamping and positioning workpieces. They are mostly evenly distributed 360 degrees, so that three chucks move towards or retract from the center at the same time to complete the work. In the current chuck processing, the chucks are directly clamped by clamping blocks. Because some chucks have an arc-shaped internal structure, the clamping blocks can only fix the middle part of the chuck. The protruding ends of the chucks cannot be effectively limited. Improvements are needed to set up a fixed and stable chuck tooling fixture. Summary of the Invention

[0003] The purpose of this invention is to provide a high-precision jaw thread grinding fixture to solve the problems mentioned in the background art.

[0004] The objective of this utility model can be achieved through the following technical solution: a high-precision jaw thread grinding fixture, comprising a fixed base, a rotating disk, a clamping mechanism, a clamping seat one, and a clamping seat two. The rotating disk is movably arranged inside the fixed base. The clamping mechanism is movably arranged on both sides of the top of the rotating disk. The clamping mechanism consists of a movable frame, a processing seat, a clamping seat one, a clamping seat two, and a movable base. The movable base slides on the bottom of the rotating disk. The movable frame is mounted on the top of the movable base. The processing seat is movably mounted in the middle of the top of the movable frame. The clamping seat one and the clamping seat two are movably arranged on both sides of the processing seat. A main clamping block is arranged in the middle of the clamping seat one and the clamping seat two. Auxiliary clamping rollers are arranged on the sides of the clamping seat one and the clamping seat two.

[0005] In the aforementioned high-precision jaw thread grinding fixture, a support frame is provided at the middle side of the moving table, and one end of the machining seat is movably connected to the inside of the support frame via a pin.

[0006] In the aforementioned high-precision jaw thread grinding fixture, a pusher cylinder is installed in the middle of the moving table, and the output end of the pusher cylinder is movably connected to one side of the bottom of the machining base. The machining base has a machining station inside.

[0007] In the aforementioned high-precision chuck thread grinding fixture, side grooves are provided on the sides of both clamping seat one and clamping seat two. Two inner sliders are movably arranged inside the side grooves, and one end of the auxiliary clamping roller is connected to the outside of the inner sliders.

[0008] In the aforementioned high-precision chuck thread grinding fixture, a lead screw is movably installed inside the side groove. The two ends of the lead screw are threadedly connected to two internal sliders. A traction motor is installed on the top of the first clamping seat and the second clamping seat. The output end of the traction motor is connected to the top of the lead screw.

[0009] In the aforementioned high-precision chuck thread grinding fixture, cylinder seats are provided at both ends of the moving table, and clamping cylinders are installed on the outer side of the cylinder seats. The output ends of the two clamping cylinders are respectively connected to the outer side of clamping seat one and clamping seat two.

[0010] Compared with existing technologies, the advantages of this high-precision chuck thread grinding fixture are:

[0011] This application provides a movable clamping mechanism on the top of the rotary table. The clamping mechanism consists of two symmetrical clamping seats, clamping seat one and clamping seat two. During processing, the workpiece is placed on the processing seat. Under the push of the clamping cylinder, clamping seat one and clamping seat two move closer to the processing seat. The main clamping block clamps the middle position of the workpiece. At the same time, the auxiliary clamping rollers on the sides of clamping seat one and clamping seat two are respectively located at the top and bottom of the protrusion of the workpiece. Driven by the lead screw, the two inner sliders move towards the middle, so that the two auxiliary clamping rollers move closer to the two ends of the workpiece, thereby assisting in clamping the two ends of the workpiece. In this way, the workpiece is fixed more stably, which makes the chuck with the fixed arc structure more secure. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the structure of the high-precision jaw thread grinding fixture of this utility model.

[0013] Figure 2 This is a schematic diagram of the clamping mechanism of the high-precision chuck thread grinding fixture of this utility model.

[0014] Figure 3 This is a schematic diagram of the moving base structure of the high-precision jaw thread grinding fixture of this utility model.

[0015] Figure 4 This is a schematic diagram of the machining base structure of the high-precision jaw thread grinding fixture of this utility model.

[0016] Figure 5 This is a schematic diagram of the clamping seat structure of the high-precision jaw thread grinding fixture of this utility model.

[0017] In the diagram, 1. Fixed base; 2. Rotary disk; 3. Clamping mechanism; 4. Moving table; 5. Processing seat; 6. Clamping seat one; 7. Clamping seat two; 8. Pressing cylinder; 9. Moving base; 10. Processing station; 11. Support frame; 12. Pushing cylinder; 13. Main pressing block; 14. Auxiliary clamping roller; 15. Side groove; 16. Inner slider; 17. Traction motor. Detailed Implementation

[0018] The following are specific embodiments of the present invention, which are described in conjunction with the accompanying drawings. However, the present invention is not limited to these embodiments.

[0019] A high-precision chuck thread grinding fixture includes a fixed base 1, a rotating disk 2, a clamping mechanism 3, a first clamping seat 6, and a second clamping seat 7. The rotating disk 2 is movably mounted inside the fixed base 1. The clamping mechanism 3 is movably mounted on both sides of the top of the rotating disk 2. The clamping mechanism 3 consists of a movable table 4, a machining seat 5, a first clamping seat 6, a second clamping seat 7, and a movable base 9. The movable base 9 slides on the bottom of the rotating disk 2. The movable table 4 is mounted on the top of the movable base 9. The machining seat 5 is movably mounted on the top center of the movable table 4. Movable clamping seats are mounted on both sides of the machining seat 5. There are clamping seats 6 and 7. A main clamping block 13 is provided in the middle of clamping seats 6 and 7. An auxiliary clamping roller 14 is provided on the side of clamping seats 6 and 7. The movable base 9 of this application can be pushed by an electric push rod provided inside the rotating disk 2. The rotating disk 2 can rotate, thereby driving the two clamping mechanisms 3 to move. The inner clamping mechanism 3 moves to the processing point for processing, and the outer clamping mechanism 3 can be used for feeding. A rotary motor is provided at the bottom of the fixed base 1, which can drive the rotating disk 2 to rotate.

[0020] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, the high-precision jaw thread grinding fixture of this utility model has a support frame 11 set at the middle side of the movable table 4. One end of the processing seat 5 is movably connected to the inside of the support frame 11 by a pin. The processing seat 5 of this application is a metal structure and is movably connected at one end.

[0021] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5As shown, the high-precision jaw thread grinding fixture of this utility model has a pusher cylinder 12 installed in the middle of the movable table 4, and the output end of the pusher cylinder 12 is movably connected to the bottom side of the processing seat 5. The processing seat 5 has a processing station 10 inside. The pusher cylinder 12 is a conventional cylinder structure. When unloading, the pusher cylinder 12 can push the processing seat 5 to tilt, so that the workpiece falls directly from the processing station 10 inside the processing seat 5, thereby completing the unloading. The unloading is simple and efficient.

[0022] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, the high-precision jaw thread grinding fixture of this utility model has side grooves 15 on the sides of both clamping seat 1 6 and clamping seat 2 7. Two inner sliders 16 are movably arranged inside the side grooves 15, and one end of the auxiliary clamping roller 14 is connected to the outside of the inner sliders 16. When the lead screw rotates, the two inner sliders 16 can be moved, thereby moving the auxiliary clamping roller 14 connected to the inner sliders 16. The auxiliary clamping roller 14 has a metal rod inside and a rubber sleeve on the outside.

[0023] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, the high-precision jaw thread grinding fixture of this utility model has a lead screw movably installed inside the side groove 15. The two ends of the lead screw are threadedly connected to two inner sliders 16. The top of the clamping seat 1 6 and the clamping seat 2 7 are provided with a traction motor 17. The output end of the traction motor 17 is connected to the top of the lead screw. The traction motor 17 is a publicly disclosed motor structure, powered by an external power source. The lead screw is a double-ended screw structure with the threads at both ends arranged in opposite directions. The traction motor 17 can drive the lead screw to rotate.

[0024] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, the high-precision jaw thread grinding fixture of this utility model has cylinder seats at both ends of the movable table 4. A clamping cylinder 8 is installed on the outside of the cylinder seat, and the output ends of the two clamping cylinders 8 are respectively connected to the outside of the clamping seat 1 6 and the clamping seat 2 7. The clamping cylinder 8 is a conventional cylinder structure, which mainly pushes the clamping seat 1 6 and the clamping seat 2 7 to move. The main clamping block 13 is a metal block with a rubber pad on its outer surface.

[0025] This utility model relates to a high-precision jaw thread grinding fixture. During processing, the workpiece is placed on the processing seat 5 and then on the processing station 10. Under the push of the clamping cylinder 8, clamping seats 1 6 and 2 7 move closer to the processing seat 5. The middle part of the workpiece is clamped by two main clamping blocks 13. At the same time, the auxiliary clamping rollers 14 on the sides of clamping seats 1 6 and 2 7 are respectively positioned at the top and bottom of the protrusion of the workpiece. The traction motor 17 drives the lead screw to rotate. Under the drive of the lead screw, the two inner sliders 16 are moved towards the middle of the side groove 15, so that the two auxiliary clamping rollers 14 move closer to the two ends of the workpiece, thereby assisting in clamping the two ends of the workpiece. In this way, the middle and two ends of the workpiece are limited, the jaws are more stably fixed, and subsequent processing is convenient. The structure of this application is particularly suitable for fixing jaw parts with arc-shaped structures, and auxiliary clamping can be achieved by the auxiliary clamping rollers 14.

[0026] Contents not described in detail herein are existing technologies known to those skilled in the art. The specific embodiments described herein are merely illustrative examples illustrating the spirit of this invention. Those skilled in the art to which this invention pertains may make various modifications or additions to the described specific embodiments or use similar methods to substitute them, without departing from the spirit of this invention or exceeding the scope defined by the appended claims.

Claims

1. A high-precision clamping jig for thread grinding of a jaw, comprising a fixed base (1), a rotating disc (2), a clamping mechanism (3), a first clamping seat (6) and a second clamping seat (7), characterized in that, The inside of the fixed base (1) is movably provided with a rotating disc (2), the top of which is movably provided with clamping mechanisms (3) on both sides, the clamping mechanisms (3) are composed of a moving rack (4), a processing seat (5), a clamping seat one (6), a clamping seat two (7) and a moving base (9), the moving base (9) is sliding on the bottom of the rotating disc (2), the top of the moving base (9) is provided with a moving rack (4), the top end of the moving rack (4) is movably provided with a processing seat (5) in the middle, the processing seat (5) is movably provided with a clamping seat one (6) and a clamping seat two (7) on both sides, the middle position of the clamping seat one (6) and the clamping seat two (7) is provided with a main pressing block (13), the side position of the clamping seat one (6) and the clamping seat two (7) is provided with an auxiliary clamping roller (14).

2. The high-precision clamping jig for grinding the jaw thread according to claim 1, characterized in that, The middle side position of the moving rack (4) is provided with a support frame (11), one end of the processing seat (5) is movably connected inside the support frame (11) through a pin shaft.

3. The high-precision clamping jig for grinding the jaw thread according to claim 1, characterized in that, The middle position of the moving rack (4) is provided with a pushing cylinder (12), and the output end of the pushing cylinder (12) is movably connected with one side of the bottom of the processing seat (5), and the inside of the processing seat (5) is provided with a processing station (10).

4. The high-precision clamping jig for grinding the jaw thread according to claim 1, characterized in that, The side position of the clamping seat one (6) and the clamping seat two (7) is provided with a side groove (15), the inside of the side groove (15) is movably provided with two inner sliding blocks (16), and one end of the auxiliary clamping roller (14) is connected outside the inner sliding block (16).

5. The high-precision clamping jig for grinding the jaw thread according to claim 4, characterized in that, The inside of the side groove (15) is movably provided with a lead screw, the both ends of the lead screw are threadedly sleeved with the two inner sliding blocks (16), the top of the clamping seat one (6) and the clamping seat two (7) is provided with a traction motor (17), the output end of the traction motor (17) is connected with the top end of the lead screw.

6. The high-precision clamping jig for grinding the jaw thread according to claim 1, wherein The both ends of the moving rack (4) are provided with a cylinder seat, the outside of the cylinder seat is provided with a pressing cylinder (8), and the output ends of the two pressing cylinders (8) are respectively connected with the outside of the clamping seat one (6) and the clamping seat two (7).

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