CN213646715U

CN213646715U - Clamping mechanism for piston rod tapping machine

Info

Publication number: CN213646715U
Application number: CN202022481770.6U
Authority: CN
Inventors: 蒋科
Original assignee: Changzhou Kehui Precision Machinery Co ltd
Current assignee: Changzhou Kehui Precision Machinery Co ltd
Priority date: 2020-11-02
Filing date: 2020-11-02
Publication date: 2021-07-09
Anticipated expiration: 2030-11-02

Abstract

The utility model relates to the technical field of machining, especially, relate to a fixture for piston rod tapping machine, solved among the prior art because the piston rod is cylindric surface comparatively light and leads to being difficult to fixed, thereby adding the problem that the easy production error caused economic loss man-hour. The utility model provides a fixture for piston rod tapping machine, includes the tapping machine main part, one side fixedly connected with workstation of tapping machine main part, two holders that are the symmetric state and distribute of top fixedly connected with of workstation. The utility model discloses pass through the holder with the piston rod and fix on the workstation, the tapping machine main part of being convenient for carries out processing to the piston rod, is convenient for fix the piston rod to different diameters through accommodate the lead screw, and the sheet rubber increases the frictional force between piston rod and the holder. Meanwhile, the pressure of the screw rod on the surface of the piston rod is reduced, so that the piston rod is protected, the piston rods with different lengths can be conveniently fixed through the sliding groove, and the economic loss caused by errors generated during machining is avoided.

Description

Clamping mechanism for piston rod tapping machine

Technical Field

The utility model relates to the technical field of machining, especially, relate to a fixture for piston rod tapping machine.

Background

The tapping machine is a machine tool for processing internal threads by using a screw tap, and is an internal thread processing machine tool which is most widely applied.

According to the national mechanical industry standard, tapping machines are classified into a table tapping machine, a semi-automatic table tapping machine, a vertical tapping machine and a horizontal tapping machine, and an important most widely applied classification is not listed for some reasons, namely, a folding arm tapping machine.

However, when the piston rod is machined by a tapping machine, the piston rod is difficult to fix due to the cylindrical surface, and an error is likely to occur during machining, which results in an economic loss.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a fixture for piston rod tapping machine has solved among the prior art because the piston rod is the comparatively light of cylindric surface and leads to being difficult to fixed, thereby the easy error that produces when adding causes economic loss's problem.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a fixture for piston rod tapping machine, includes the tapping machine main part, one side fixedly connected with workstation of tapping machine main part, two clamping parts that are the symmetric state and distribute of top fixedly connected with of workstation, the clamping part still includes base, centre gripping arm and fastener, rotates between the one end of centre gripping arm and the base to be connected, passes through fastener fixed connection between the other end of centre gripping arm and the base.

Preferably, the top of the clamping arm is provided with a screw rod in a penetrating way, and the bottom of the screw rod is rotatably connected with an extrusion plate.

Preferably, the bottom of the extrusion plate and the top of the base are both fixedly connected with rubber sheets.

Preferably, the top of the workbench is provided with a sliding groove, and the bottom of one clamping piece is in sliding connection with the top of the workbench through the sliding groove.

Preferably, the inside of spout is equipped with the cardboard, through telescopic link fixed connection between cardboard and the holder, the spring in the telescopic link outside is located to fixedly connected with cover between cardboard and the holder.

Preferably, the top fixedly connected with a plurality of tooth piece of cardboard, the tooth's socket that is corresponding state distribution with the tooth piece is seted up to the inner wall at spout top.

The utility model discloses for prior art possesses following beneficial effect at least:

the piston rod is fixed on the workbench through the clamping piece, the tapping machine main body is convenient for processing the piston rod, the piston rods with different diameters are convenient to fix through the adjusting screw rod, and the rubber sheet increases friction force between the piston rod and the clamping piece. Meanwhile, the pressure of the screw rod on the surface of the piston rod is reduced, so that the piston rod is protected, the piston rods with different lengths can be conveniently fixed through the sliding groove, and the economic loss caused by errors generated during machining is avoided.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without any creative effort.

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic cross-sectional view of the partial structure of FIG. 1;

fig. 3 is a side view of the partial structure of fig. 1.

In the figure: 1. a tapping machine body; 2. a work table; 3. a clamping member; 301. a base; 302. a clamp arm; 303. a fastener; 4. a screw rod; 5. 6, a rubber sheet; 7. a chute; 8. clamping a plate; 9. a telescopic rod; 10. a spring; 11. a tooth block; 12. a tooth socket.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1-3, a clamping mechanism for a piston rod tapping machine comprises a tapping machine body 1, a workbench 2 is fixedly connected to one side of the tapping machine body 1, two clamping pieces 3 distributed in a symmetrical state are fixedly connected to the top of the workbench 2, the clamping pieces 3 further comprise a base 301, a clamping arm 302 and a clamping piece 303, one end of the clamping arm 302 is rotatably connected with the base 301, and the other end of the clamping arm 302 is fixedly connected with the base 301 through the clamping piece 303.

The scheme has the following working processes:

when the piston rod is to be machined, the clamp arm 302 is opened, the piston rod is placed on the top of the base 301, and then the clamp arm 302 and the base 301 are fixed by the engaging member 303, so that the piston rod is fixed to the table 2, the tapping machine body 1 is started, and the piston rod is machined by the tapping machine body 1.

According to the working process, the following steps are known:

through 3 with piston rod fixed connection of holder on workstation 2, put and prevent that the piston rod from rolling, process the piston rod through the tapping machine, avoid the piston rod to roll when having reduced hand labor and lead to processing production error.

Further, lead screw 4 is worn to be equipped with at the top of centre gripping arm 302, and the bottom of lead screw 4 is rotated and is connected with stripper plate 5, and is concrete, fixes the inside piston rod of holder 3 through lead screw 4 and stripper plate 5, increases the stability of piston rod.

Further, the bottom of the extrusion plate 5 and the top of the base 301 are fixedly connected with rubber sheets 6, specifically, friction between the piston rod and the clamping piece 3 is increased through the rubber sheets 6, and meanwhile, the pressure of the screw rod 4 on the surface of the piston rod is reduced, and the piston rod is prevented from being deformed.

Further, spout 7 has been seted up at the top of workstation 2, through spout 7 sliding connection between the bottom of one of them holder 3 and the top of workstation 2, and is concrete, and holder 3 through spout 7 sliding connection is convenient for adjust according to the piston rod of different length, stability when improving the piston rod and fixing.

Further, the inside of spout 7 is equipped with cardboard 8, through 9 fixed connection of telescopic link between cardboard 8 and the holder 3, and the spring 10 in the telescopic link 9 outside is located to the fixedly connected with cover between cardboard 8 and the holder 3, and is concrete, makes cardboard 8 have between the holder 3 bottom through telescopic link 9 and spring 10 that the clamping is inseparabler, makes holder 3 more stable.

Further, a plurality of tooth piece 11 of cardboard 8's top fixedly connected with, the tooth's socket 12 that is corresponding state distribution with tooth piece 11 is seted up to the inner wall at spout 7 top, and is concrete, mutually supports through tooth piece 11 and tooth's socket 12, is convenient for adjust when making 3 fixed more stable of holder.

In conclusion, the piston rod is fixedly connected to the workbench 2 through the clamping piece 3, the piston rod is prevented from rolling, the piston rod is processed through the tapping machine, the manual labor force is reduced, meanwhile, processing errors caused by the rolling of the piston rod are avoided, the piston rod in the clamping piece 3 is fixed through the screw rod 4 and the extrusion plate 5, the stability of the piston rod is improved, the friction force between the piston rod and the clamping piece 3 is increased through the rubber sheet 6, meanwhile, the pressure of the screw rod 4 on the surface of the piston rod is reduced, the piston rod is prevented from deforming, the clamping piece 3 which is connected in a sliding mode through the sliding groove 7 is convenient to adjust according to the piston rods with different lengths, the stability when the piston rod is fixed is improved, the clamping plate 8 is clamped between the bottoms of the clamping pieces 3 more tightly through the telescopic rod 9 and the spring 10, the clamping piece 3 is more stable, and, the clamping piece 3 is more stable in fixation and convenient to adjust.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a fixture for piston rod tapping machine, includes tapping machine main part (1), its characterized in that, one side fixedly connected with workstation (2) of tapping machine main part (1), two clamping piece (3) that are the symmetric state and distribute of top fixedly connected with of workstation (2), clamping piece (3) still include base (301), centre gripping arm (302) and fastener (303), rotate between the one end of centre gripping arm (302) and base (301) and be connected, through fastener (303) fixed connection between the other end of centre gripping arm (302) and base (301).

2. The clamping mechanism for the piston rod tapping machine according to claim 1, wherein a lead screw (4) is arranged at the top of the clamping arm (302) in a penetrating manner, and a pressing plate (5) is rotatably connected to the bottom of the lead screw (4).

3. The clamping mechanism for the piston rod threading machine according to claim 2, characterized in that the rubber sheet (6) is fixedly connected to the bottom of the extrusion plate (5) and the top of the base (301).

4. The clamping mechanism for the piston rod tapping machine according to claim 1, wherein a sliding groove (7) is formed in the top of the workbench (2), and the bottom of one of the clamping pieces (3) is slidably connected with the top of the workbench (2) through the sliding groove (7).

5. The clamping mechanism for the piston rod tapping machine according to claim 4, wherein a clamping plate (8) is arranged inside the sliding groove (7), the clamping plate (8) is fixedly connected with the clamping piece (3) through a telescopic rod (9), and a spring (10) sleeved outside the telescopic rod (9) is fixedly connected between the clamping plate (8) and the clamping piece (3).

6. The clamping mechanism for the piston rod tapping machine according to claim 5, wherein a plurality of tooth blocks (11) are fixedly connected to the top of the clamping plate (8), and tooth grooves (12) distributed in a corresponding state with the tooth blocks (11) are formed in the inner wall of the top of the sliding groove (7).