Chuck positioning device

Abstract

The utility model relates to a chuck positioning device, and belongs to the field of vertical machine tool equipment with workbenches. According to the technical scheme, the chuck positioning device comprises a first connecting base and a second connecting base, a positioning circular truncated cone is arranged in the center of the first connecting base, a positioning hole is formed in the center of the second connecting base, the outer diameter of the positioning circular truncated cone is matched with the inner diameter of the positioning hole, and a positioning connecting piece is arranged between the first connecting base and the second connecting base; a platform connecting structure is arranged on the first connecting base, and a chuck connecting structure is arranged on the second connecting base. According to the scheme, the switching structure is designed, the first connecting base is connected with the machine tool spindle, the second connecting base is connected with the chuck, installation is achieved through concentric assembly of the positioning circular truncated cone and the positioning hole between the first connecting base and the second connecting base, high-precision centering installation of the chuck is achieved, and the debugging process is simplified.

Description

TECHNICAL FIELD

[0001] The utility model relates to the vertical machine tool equipment field with workbench, in particular to a chuck positioning device. BACKGROUND

[0002] The chuck is a mechanical device for clamping workpieces on a machine tool, and the three-jaw chuck plays a crucial role in the machining, quality control and operation efficiency of the sucker rod coupling. In the production process, the correct use of the three-jaw chuck helps to prevent the occurrence of unqualified coupling products, further ensuring production safety and product quality. In short, the three-jaw chuck plays an indispensable important role in the production and use of the sucker rod coupling.

[0003] In actual operation, the precision of the chuck is prone to decline after long-term use, affecting the machining quality of the product, and the chuck needs to be replaced when the precision of the chuck declines to a certain extent.

[0004] The existing three-jaw chuck generally adopts dial positioning and direct fixing of the chuck and the operation table, that is, the dial gauge is sucked on the main shaft, the main shaft is rotated, and the dial gauge is positioned, and then the position of the chuck is adjusted manually. Each replacement needs to be repositioned and processed, which not only delays the construction period, but also causes waste of manpower and material resources. SUMMARY

[0005] The utility model discloses to the positioning debugging process complex, time -consuming and labor -intensive problem after the present chuck replacement, provides a kind of chuck positioning device.

[0006] To solve the above problems, the utility model adopts the technical scheme that a kind of chuck positioning device, including first connecting seat and second connecting seat, the center of first connecting seat is equipped with positioning round table, the center of second connecting seat is equipped with positioning hole, the outer diameter of positioning round table is compatible with the inner diameter of positioning hole, and positioning connecting piece is equipped between first connecting seat and second connecting seat;Platform connecting structure is equipped on first connecting seat, and chuck connecting structure is equipped on second connecting seat.The present application designs a switching structure, first connecting seat is connected with machine tool spindle, second connecting seat is connected with chuck, and the positioning round table and positioning hole between first connecting seat and second connecting seat are concentrically assembled to realize installation, high-precision centering installation of chuck is realized, and the debugging process is simplified.

[0007] Preferably, the center of the positioning round table is provided with a through hole penetrating through the first connecting seat. The workpiece passes through, which is suitable for the machining characteristics of the machine tool.

[0008] Preferably, the positioning connector includes a plurality of positioning pins, and pin holes are respectively formed on the opposing surfaces of the first and second connecting seats, and the positioning pins are installed in the pin holes at corresponding positions on the first and second connecting seats. The positioning pins realize the connection and positioning of the first and second connecting seats and realize the anti-rotation function.

[0009] Preferably, the plurality of positioning pins are evenly distributed along the circumference of the positioning cone.

[0010] Preferably, the platform connection structure includes positioning grooves opened on both side edges of the first connection seat, and the positioning grooves are connected to the main shaft of the equipment through bolts.

[0011] Preferably, the chuck connection structure includes a plurality of connection bolts, and the second connection seat is provided with a plurality of countersunk holes corresponding to the connection bolts, and the connection bolts pass through the countersunk holes at corresponding positions.

[0012] Preferably, the connecting bolts are evenly distributed along the circumference of the positioning hole.

[0013] It can be seen from the above technical solution that the advantages of the utility model are: the positioning device adopts an intermediate transfer installation form to achieve transition between the machine tool and the chuck, the first connecting seat is connected to the machine tool spindle, and the second connecting seat is connected to the chuck, and the first connecting seat and the second connecting seat achieve centering positioning, thereby realizing high-precision installation of the chuck, simplifying the subsequent debugging process, and saving manpower and material resources. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solution of the present invention, the following is a brief introduction to the drawings required for the description. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0015] Figure 1 It is a structural diagram of a specific implementation method of the utility model.

[0016] Figure 2 It is an exploded view of a specific implementation method of the present utility model.

[0017] Description of main reference numerals

[0018] 1. First connecting seat, 2. Second connecting seat, 3. Positioning cone, 4. Positioning hole, 5. Positioning pin, 6. Connecting bolt, 7. Positioning groove. DETAILED DESCRIPTION

[0019] In order to make the purpose, features, and advantages of the present invention more obvious and easy to understand, the technical solutions of the present invention will be clearly and completely described below in conjunction with the drawings in the specific embodiments. Obviously, the embodiments described below are only part of the embodiments of the present invention, not all of them. Based on the embodiments in this patent, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this patent.

[0020] like Figure 1 、 2 As shown, a chuck positioning device includes a first connecting seat 1 and a second connecting seat 2. A positioning cone 3 is provided at the center of the first connecting seat 1. A through hole is provided at the center of the positioning cone 3 that penetrates the first connecting seat 1. A positioning hole 4 is provided at the center of the second connecting seat 2. The outer diameter of the positioning cone 3 is adapted to the inner diameter of the positioning hole 4. A positioning connector is provided between the first connecting seat 1 and the second connecting seat 2. The positioning connector includes a plurality of positioning pins 5. Specifically, pin holes are respectively provided on the opposite surfaces of the first connecting seat 1 and the second connecting seat 2. The positioning pins 5 are commonly installed in the pin holes at corresponding positions on the first connecting seat 1 and the second connecting seat 2. The plurality of positioning pins 5 are evenly distributed along the circumference of the positioning cone 3.

[0021] A platform connection structure is provided on the first connection base 1 , and the platform connection structure includes positioning grooves 7 opened on both side edges of the first connection base 1 . The positioning grooves 7 are connected to the platform of the equipment through bolts, nuts and pressure plates.

[0022] The second connecting seat 2 is provided with a chuck connecting structure, which includes multiple connecting bolts 6. The second connecting seat 2 is provided with multiple countersunk holes corresponding to the connecting bolts 6. The connecting bolts 6 pass through the countersunk holes at corresponding positions. The connecting bolts 6 are evenly distributed along the circumference of the positioning hole 4.

[0023] The positioning device is installed between the processing equipment and the chuck. The first connecting seat 1 is fixedly installed on the main shaft of the processing equipment. The bolts are installed in the positioning grooves. The position of the first connecting seat is adjusted through the positioning grooves so that the positioning table is centered relative to the main shaft of the equipment. Then the bolts are tightened to fix the position of the first connecting seat. The second connecting seat 2 is then fixedly connected to the chuck through several connecting bolts 6. Finally, the second connecting seat 2 is connected and installed through the positioning pins 5 and the positioning table 3. When replacing the chuck, remove the second connecting seat 2 and install it on the new chuck. Since the first connecting seat 1 has not been disassembled, it is used as the installation reference. After reinstalling the second connecting seat and the new chuck, the debugging process can be simplified and the efficiency of chuck replacement is improved.

[0024] It can be seen from the above embodiments that the beneficial effect of the utility model is that the positioning device adopts an intermediate transfer installation form to achieve a transition between the machine tool and the chuck, the first connecting seat is connected to the machine tool spindle, and the second connecting seat is connected to the chuck, and the first connecting seat and the second connecting seat achieve centering positioning, thereby achieving high-precision installation of the chuck, simplifying the subsequent debugging process, and saving manpower and material resources.

[0025] The above description of the disclosed embodiments will enable one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not limited to the embodiments shown herein but is intended to conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A chuck positioning device, characterized in that: It includes a first connecting seat and a second connecting seat. A positioning cone is provided at the center of the first connecting seat, and a positioning hole is provided at the center of the second connecting seat. The outer diameter of the positioning cone is adapted to the inner diameter of the positioning hole. A positioning connecting piece is provided between the first connecting seat and the second connecting seat; a platform connecting structure is provided on the first connecting seat, and a chuck connecting structure is provided on the second connecting seat.

2. The chuck positioning device according to claim 1, characterized in that: A through hole penetrating the first connecting seat is formed at the center of the positioning circular table.

3. The chuck positioning device according to claim 1, characterized in that: The positioning connector includes a plurality of positioning pins. Pin holes are respectively provided on the opposite surfaces of the first connecting seat and the second connecting seat. The positioning pins are installed in the pin holes at corresponding positions on the first connecting seat and the second connecting seat.

4. The chuck positioning device according to claim 3, characterized in that: A plurality of positioning pins are evenly distributed along the circumference of the positioning cone.

5. The chuck positioning device according to claim 1, characterized in that: The platform connection structure includes positioning grooves formed on both side edges of the first connection seat, and the positioning grooves are connected to the main shaft of the equipment through bolts.

6. The chuck positioning device according to claim 1, characterized in that: The chuck connection structure includes a plurality of connection bolts. The second connection seat is provided with a plurality of countersunk holes corresponding to the connection bolts. The connection bolts pass through the countersunk holes at corresponding positions.

7. The chuck positioning device according to claim 6, characterized in that: The connecting bolts are evenly distributed along the circumference of the positioning hole.

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