CN103008517A

CN103008517A - Rear pass-out device of cold header

Info

Publication number: CN103008517A
Application number: CN2012105540609A
Authority: CN
Inventors: 李忠明; 姜菊芳
Original assignee: NINGBO SIJIN MACHINERY Co Ltd
Current assignee: Sijin Intelligent Forming Machinery Co ltd
Priority date: 2012-12-19
Filing date: 2012-12-19
Publication date: 2013-04-03
Anticipated expiration: 2032-12-19
Also published as: CN103008517B

Abstract

The invention discloses a component of a cold header, particularly discloses a rear pass-out device of the cold header. The rear pass-out device comprises a fixed shaft, an oscillating rod, an air cylinder, a guide pipe and a reciprocating rod, wherein one end of the oscillating rod is sleeved on the fixed shaft, the air cylinder is in transmission connection with the middle part of the oscillating rod through an air cylinder rod, the reciprocating rod is movably plugged in the guide pipe, the reciprocating rod is provided with a concave opening with an arc bottom surface, the pipe wall of the guide pipe is provided with a through hole, the other end surface of the oscillating rod is an arc convex surface, the oscillating rod is plugged in the concave opening of the reciprocating rod after penetrating through the through hole, the oscillating rod and the through hole are in clearance matching, and the outer side end of the reciprocating rod is in transmission connection with a pushing rod of the cold header. According to the rear pass-out device disclosed by the invention, the technical defects that the rear pass-out device of the traditional cold header is in impact matching with the pushing rod, the noise is large when the rear pass-out device is in work, and the service life is short are solved; and the rear pass-out device disclosed by the invention is a conventional power component of the cold header and has the advantages that no noise is generated when the rear pass-out device is in work, the working stability is good, and the service life is long.

Description

The rear passing out set of cold headers

Technical field

The present invention relates to the rear passing out set of a kind of parts of cold headers, particularly cold headers.

Background technology

Cold headers are the machines as at normal temperatures upsetting of metal processing, because it has the advantages such as high-speed, high precision when production and processing, are widely used at present producing in batches the securing members such as nut, bolt.

Rear passing out set is the parts powered by conventional energy of cold headers, and its push rod that drives cold headers moves back and forth, thereby product is carried out upsetting processing.

But rear passing out set in the market, as shown in Figure 1, roughly comprise dead axle, fork and cylinder, when it provided power for push rod of cold headers, the upper end of fork was directly to beat on push rod, so that cold headers can be emitted the strike note of " bang bang " when operation, affect the working environment in the workshop, and because the fork of rear passing out set is that bump cooperates with the push rod of cold headers, so so that the service life of push rod and rear passing out set all shorter, less economical.

Summary of the invention

Noiselessness produces when the objective of the invention is to provide a kind of work in order to solve above-mentioned the deficiencies in the prior art, simultaneously the rear passing out set of the cold headers of long service life.

To achieve these goals, the rear passing out set of the cold headers that the present invention is designed, comprise dead axle, fork and cylinder, one end of fork is socketed on the dead axle, cylinder is in transmission connection by the middle part of cylinder rod and fork, described rear passing out set also comprises guide pipe and reciprocating lever, the reciprocating lever motion stops is connected in the guide pipe, described reciprocating lever is provided with the recess of a lower arcuate surface, the tube wall of described guide pipe is provided with a through hole, the curved convex surface in the other end of described fork, and be inserted in the recess of reciprocating lever after running through above-mentioned through hole, be the matched in clearance shape between described fork and the through hole, the outboard end of reciprocating lever and the push rod of cold headers are in transmission connection.

The crankmotion of fork is converted to the linear reciprocating motion of reciprocating lever in the said structure, thereby drives push rod work, and product is carried out upsetting processing, in the whole production process without noises such as strike notes, long service life simultaneously.

In concrete the use, in order to promote job stability, the outboard end of reciprocating lever described in the present invention and the push rod of cold headers are in transmission connection and refer to: fix by intermediate mass between the outboard end of described reciprocating lever and the push rod, make reciprocating lever and push rod be same rectilinear motion state.

The rear passing out set of the cold headers that the present invention obtains, the arc convex of its fork cooperates with the recess of reciprocating lever, when the air cylinder driven fork produces crankmotion, reciprocating lever will carry out linear reciprocating motion in guide pipe, noiselessness produces when therefore working, traditional rear passing out set of comparing, and working stability of the present invention is good, long service life, the upsetting machining accuracy of product is high.

Description of drawings

Fig. 1 is the structural representation of the rear passing out set of existing cold headers;

Fig. 2 is the structural representation of embodiment 1;

Fig. 3 is the structural representation at A place among Fig. 2;

Fig. 4 is the structural representation that embodiment 1 cooperates with the push rod of cold headers;

Fig. 5 is the structural representation of embodiment 2.

Among the figure: dead axle 1, reciprocating lever 2, recess 2-1, guide pipe 3, through hole 3-1, cylinder 4, cylinder rod 4-1, fork 5, arc convex 5-1, push rod 6, intermediate mass 7.

The specific embodiment

The present invention is further described below in conjunction with drawings and Examples.

Embodiment 1:

Described in Fig. 2 and Fig. 3, the rear passing out set of the cold headers that the present embodiment provides, comprise dead axle 1, fork 5 and cylinder 4, one end of fork 5 is socketed on the dead axle 1, cylinder 4 is in transmission connection by the middle part of cylinder rod 4-1 and fork 5, certainly in concrete the use, above-mentioned cylinder 4 also can adopt hydraulic cylinder or other cam traditional mechanisms to replace, described rear passing out set also comprises guide pipe 3 and reciprocating lever 2, reciprocating lever 2 motion stops are connected in the guide pipe 3, described reciprocating lever 2 is provided with the recess 2-1 of a lower arcuate surface, the tube wall of described guide pipe 3 is provided with a through hole 3-1, the internal diameter of described through hole 3-1 is 25 centimetres, the curved convex surface 5-1 in the other end of described fork 5, and be inserted in the recess 2-1 of reciprocating lever 2 after running through above-mentioned through hole 3-1, described fork 5 is 15 centimetres near the diameter at through hole 3-1 place, as described in Figure 4, in concrete the use, the outboard end of reciprocating lever 2 and the push rod of cold headers 6 are in transmission connection.

Embodiment 2:

As described in Figure 5, the rear passing out set of the cold headers that provide in the present embodiment, its general structure is consistent with embodiment 1, but in concrete the use, in order to promote job stability, fixing by intermediate mass 7 between the outboard end of reciprocating lever described in the present embodiment 2 and the push rod 6, described fixing by intermediate mass 7 can be to connect by intermediate mass 7 dismountable types, also can be fixedly connected with, make reciprocating lever 2 and push rod 6 interlocks, and be same linearity.

Claims

1. the rear passing out set of cold headers, comprise dead axle (1), fork (5) and cylinder (4), one end of fork (5) is socketed on the dead axle (1), cylinder (4) is in transmission connection by the middle part of cylinder rod (4-1) with fork (5), it is characterized in that: described rear passing out set also comprises guide pipe (3) and reciprocating lever (2), reciprocating lever (2) motion stops is connected in the guide pipe (3), described reciprocating lever (2) is provided with the recess (2-1) of a lower arcuate surface, the tube wall of described guide pipe (3) is provided with a through hole (3-1), the curved convex surface in other end (5-1) of described fork (5), and be inserted in the recess (2-1) of reciprocating lever (2) after running through above-mentioned through hole (3-1), be the matched in clearance shape between described fork (5) and the through hole (3-1), the push rod (6) of the outboard end of reciprocating lever (2) and cold headers is in transmission connection.

2. the rear passing out set of cold headers according to claim 1, its feature are in transmission connection at the push rod (6) that is the outboard end of described reciprocating lever (2) and cold headers and refer to: fixing by intermediate mass (7) between the outboard end of described reciprocating lever (2) and the push rod (6).