CN216634126U - Fixtures for Piston Rod Machining - Google Patents

Abstract

The utility model discloses a fixing clamp for processing a piston rod, which comprises a bracket, a lower abutting block and an upper abutting block, wherein the lower abutting block is fixedly connected with the bracket; the support comprises a horizontal plate and a vertical plate which are integrally formed, the horizontal plate and the vertical plate are perpendicular to each other, a lower abutting block is arranged in the middle of the horizontal plate and the vertical plate, the front end of the lower abutting block is obliquely arranged, an arc-shaped lower groove is formed in the front end of the lower abutting block, and the rear end and the bottom of the lower abutting block are respectively attached to the vertical plate and the horizontal plate; further, the lower abutting block is connected with the bracket in a welding mode; the left end and the right end of the support are respectively provided with a mounting rack, the upper end of the mounting rack is welded with the top of the vertical plate, and the lower end of the mounting rack is welded with the front end of the horizontal plate; the two upper and lower abutting blocks clamp the piston rod; the clamping device has the advantages of simple structure, high clamping speed and convenience in disassembly and assembly.

Description

Fixtures for Piston Rod Machining

technical field

The utility model relates to a fixture, in particular to a fixing fixture for processing a piston rod.

Background technique

The piston rod is the connecting part that supports the work of the piston. Most of it is used in the oil cylinder and the cylinder motion execution part. It is a moving part with frequent movements and high technical requirements. Taking the hydraulic cylinder as an example, it is composed of: cylinder barrel, piston rod (cylinder rod), piston, and end cover. The quality of its processing directly affects the life and reliability of the entire product. The piston rod has high processing requirements, and its surface roughness is required to be Ra0.4 ~ 0.8μm, and the requirements for coaxiality and wear resistance are strict.

Utility model content

The purpose of the present invention is to provide a fixing jig for processing a piston rod, so as to solve the problems raised in the above-mentioned background art.

To achieve the above object, the utility model provides the following technical solutions:

A fixing jig for processing a piston rod, including a bracket, a lower abutment block and an upper abutment block; the bracket includes an integrally formed horizontal plate and a vertical plate, the horizontal plate and the vertical plate are perpendicular to each other, wherein the horizontal plate and the vertical plate There is a lower abutment block in the middle of the lower abutment block, the front end of the lower abutment block is inclined, the front end of the lower abutment block is provided with an arc-shaped lower groove, and the rear end and bottom of the lower abutment block are respectively connected with the vertical plate and the horizontal plate. further, the lower abutting block is connected to the bracket by welding; the left and right ends of the bracket are respectively provided with mounting brackets, the upper end of the mounting bracket is welded to the top of the vertical plate, and the lower end of the mounting bracket is connected to the horizontal plate The front end of the mounting bracket is welded and connected, and the inner side of the mounting frame is also integrally formed with a mounting platform, wherein the mounting platform is an inclined rectangular platform; the mounting platform is provided with a threaded hole, and the threaded hole is threadedly connected with a threaded rod. The lower end is connected with the upper abutting block, the upper abutting block is arc-shaped, and the lower end of the upper abutting block is provided with an arc-shaped upper groove.

Further, the bottom of the mounting frame is provided with an arc-shaped slot to facilitate the insertion of the piston rod.

Further, the inclination angle of the rectangular table is consistent with the inclination angle of the front end of the lower abutment block.

Further, the top end of the threaded rod is fixedly connected with a ball handle.

Further, a tapered roller bearing is fixedly mounted on the upper end of the upper abutting block, and the tapered roller bearing is rotatably connected with the threaded rod.

Further, the sum of the arcs of the upper groove and the lower groove is less than 360°.

Compared with the prior art, the beneficial effects of the present utility model are: when the utility model is used, the piston rod is inserted from the outside of the mounting frame, and the ball handle is rotated to drive the upper abutment block to descend, and the two upper abutment blocks and the lower The connecting block holds the piston rod;

The utility model has the advantages of simple structure, fast clamping speed and convenient disassembly and assembly.

Description of drawings

Fig. 1 is a front view of a fixing jig for machining a piston rod.

Fig. 2 is a side view of a fixing jig for machining a piston rod.

FIG. 3 is a schematic structural diagram of a fixing jig for processing a piston rod.

FIG. 4 is a schematic structural diagram of an upper abutment block in a fixing jig for processing a piston rod.

Detailed ways

In order to make the purposes, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions in the embodiments of the present utility model will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are some, but not all, embodiments of the present invention. The components of the embodiments of the invention generally described and illustrated in the drawings herein may be arranged and designed in a variety of different configurations. Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the invention as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Please refer to Fig. 1-4, a fixing fixture for piston rod processing, including a bracket 100, a lower abutment block 200 and an upper abutment block 500;

The bracket 100 includes an integrally formed horizontal plate 101 and a vertical plate 102. The horizontal plate 101 and the vertical plate 102 are perpendicular to each other. The front end of the block 200 is inclined, the front end of the lower abutment block 200 is provided with an arc-shaped lower groove 201, and the rear end and bottom of the lower abutment block 200 are respectively fitted with the vertical plate 102 and the horizontal plate 101; further, The lower abutting block 200 is connected to the bracket 100 by welding;

The left and right ends of the bracket 100 are respectively provided with mounting brackets 300 , the upper end of the mounting bracket 300 is welded to the top of the vertical plate 102 , the lower end of the mounting bracket 300 is welded to the front end of the horizontal plate 101 , and the inner side of the mounting bracket 300 is also welded. An installation table 400 is integrally formed, wherein the installation table 400 is an inclined rectangular table, and the inclination angle of the rectangular table is consistent with the inclination angle of the front end of the lower abutment block 200;

The bottom of the mounting frame 300 is provided with an arc-shaped slot 301 to facilitate the insertion of the piston rod;

The mounting table 400 is provided with a threaded hole 401, the threaded hole 401 is internally threaded with a threaded rod 402, the lower end of the threaded rod 402 is connected with an upper abutment block 500, and the top of the threaded rod 402 is fixedly connected with a ball-end handle 403;

The upper abutting block 500 is arc-shaped, and the lower end of the upper abutting block 500 is provided with an arc-shaped upper groove 501; the upper end of the upper abutting block 500 is fixedly installed with a tapered roller bearing 502, and the tapered roller bearing 502 rotatably connected with the threaded rod 402;

It is worth noting that the sum of the radians of the upper groove 501 and the lower groove 201 is less than 360°, that is, the piston rod can be securely clamped by bending;

When the utility model is used, the piston rod is inserted from the outside of the mounting frame 300, the ball handle 403 is rotated to drive the upper abutment block 500 to go down, and the two upper abutment blocks 500 and the lower abutment block 200 clamp the piston rod;

The utility model has the advantages of simple structure, fast clamping speed and convenient disassembly and assembly.

In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "inner", "outer", "left", "right", etc. The orientation or positional relationship, or the orientation or positional relationship that is usually placed when the utility model product is used, or the orientation or positional relationship that is commonly understood by those skilled in the art, is only for the convenience of describing the present invention and simplifying the description, and It is not indicated or implied that the indicated device or element must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as a limitation of the present invention. Furthermore, the terms "first", "second", etc. are only used to differentiate the description and should not be construed to indicate or imply relative importance. In the description of the present invention, it should also be noted that, unless otherwise expressly specified and limited, terms such as "setting" and "connection" should be understood in a broad sense. For example, "connection" may be a fixed connection or a Removable connection, or integral connection; it can be mechanical connection or electrical connection; it can be direct connection or indirect connection through an intermediate medium, and it can be internal communication between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

Claims (6)

1. The fixing clamp for processing the piston rod comprises a bracket, a lower abutting block and an upper abutting block; the support is characterized by comprising a horizontal plate and a vertical plate which are integrally formed, wherein the horizontal plate and the vertical plate are perpendicular to each other, a lower abutting block is arranged in the middle of the horizontal plate and the vertical plate, the front end of the lower abutting block is obliquely arranged, an arc-shaped lower groove is formed in the front end of the lower abutting block, and the rear end and the bottom of the lower abutting block are respectively attached to the vertical plate and the horizontal plate; further, the lower abutting block is connected with the bracket in a welding mode; the left end and the right end of the support are respectively provided with a mounting frame, the upper end of each mounting frame is connected with the top of the vertical plate in a welding mode, the lower end of each mounting frame is connected with the front end of the horizontal plate in a welding mode, and the inner side of each mounting frame is also integrally formed with a mounting table which is a rectangular table arranged obliquely; set up the screw hole in the mount table, this screw hole female connection has the threaded rod, and the lower extreme of threaded rod is connected with the butt piece, it is the arc to go up the butt piece, and goes up the lower extreme of butt piece and set up curved upper groove.

2. The fixing clamp for processing the piston rod as recited in claim 1, wherein the bottom of the mounting frame is provided with an arc-shaped slot for facilitating insertion of the piston rod.

3. The fixing jig for machining a piston rod as claimed in claim 1, wherein an inclination angle of the rectangular table is made to coincide with an inclination angle of a front end of the lower abutting block.

4. The fixing jig for processing a piston rod as claimed in claim 1, wherein a ball head handle is fixedly connected to a top end of the threaded rod.

5. The fixing clamp for machining the piston rod as recited in claim 1, wherein a tapered roller bearing is fixedly mounted at an upper end of the upper abutting block, and the tapered roller bearing is rotatably connected with the threaded rod.

6. The piston rod machining jig of claim 1 wherein the sum of the radians of the upper groove and the lower groove is less than 360 °.

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