CN218611060U

CN218611060U - Multi-station forming production line for special-shaped bars

Info

Publication number: CN218611060U
Application number: CN202223134782.7U
Authority: CN
Inventors: 王祚鑫; 赵望泰; 马天宇
Original assignee: Jiangyin Huaxin Special Alloy Material Co ltd
Current assignee: Jiangyin Huaxin Special Alloy Material Co ltd
Priority date: 2022-11-24
Filing date: 2022-11-24
Publication date: 2023-03-14
Anticipated expiration: 2032-11-24

Abstract

The utility model belongs to the technical field of the bar fashioned, concretely relates to dysmorphism bar multistation shaping production line. The utility model discloses a: a first drawing die is arranged at a first station and is used for preforming the round bar; a second drawing die is arranged at the second station and used for pre-shaping the preformed bar; a third drawing die is arranged at the third station and used for shaping the pre-shaped bar stock into a special-shaped bar stock; the heat treatment furnace is used for carrying out solution treatment on the round bar stock, the preformed bar stock and the preformed bar stock; the three feeding roller assemblies are respectively arranged in front of the first station, the second station and the third station and are respectively used for conveying round bars, preformed bars and pre-shaped bars; the three traction mechanisms are respectively used for traction of the round bar stock, the preformed bar stock and the pre-shaped bar stock. The utility model is used for among the solution prior art, special-shaped bar can only be through the mode processing of getting rid of the material, and it is slow to lead to the process velocity, technical problem that material utilization is low.

Description

Multi-station forming production line for special-shaped bars

Technical Field

The utility model belongs to the technical field of the bar fashioned, concretely relates to dysmorphism bar multistation shaping production line.

Background

The metal bar is produced from a steel mill, generally only round bars, square bars or rectangular bars in conventional shapes are produced, in the actual production, special-shaped bar materials different from the conventional shapes are used, wherein one special-shaped bar material with a cross section similar to a bullet head is produced, in the prior art, the square bars or the rectangular bars are molded in a cutting machining mode, the machining speed is low, the material utilization rate is low, the surface roughness is not good enough, and if a smooth surface is needed, additional grinding machining is needed.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in overcoming prior art not enough, provides a dysmorphism bar multistation shaping production line for solve prior art, the special-shaped bar can only be processed through the mode of getting rid of the material, and it is slow to lead to the process velocity, technical problem that material utilization is low.

The utility model provides an above-mentioned technical problem's technical scheme as follows: the utility model provides a dysmorphism bar multistation shaping production line, includes:

the station is provided with a first drawing die, and the first drawing die is used for performing the round bar;

the second station is provided with a second drawing die which is used for presetting the preformed bar stock;

the three stations are provided with third drawing dies, and the third drawing dies are used for shaping the pre-shaped bar into a special-shaped bar;

the heat treatment furnace is used for carrying out solution treatment on the round bar stock, the preformed bar stock and the pre-shaped bar stock before the first station, the second station and the third station;

the three feeding roller assemblies are respectively arranged in front of the first station, the second station and the third station, the three feeding roller assemblies are respectively matched with the round bar stock, the preformed bar stock and the pre-shaped bar stock, and the three feeding roller assemblies are respectively used for conveying the round bar stock, the preformed bar stock and the pre-shaped bar stock;

the three traction mechanisms are respectively arranged behind the first station, the second station and the third station and are respectively used for traction of the round bar stock, the preformed bar stock and the pre-shaped bar stock.

The utility model discloses a cubic cold drawing just can draw circular bar into special-shaped bar, and whole course of working need not carry out cutting process, has improved material utilization, and the production speed is faster, and efficiency is higher.

Further: the tip grinding device is used for grinding one end of the round bar out of a tip, and the tip is used for penetrating through the first drawing die, the second drawing die or the third drawing die and then is fixedly connected with the traction mechanism;

the beneficial effects of the step are as follows: the tip grinding equipment can grind one end of a round bar into a tip, and the tip can easily penetrate through a plurality of drawing dies and is also convenient to be fixedly connected with a traction mechanism.

Further: the inner hole surfaces of the first drawing die, the second drawing die and the third drawing die are all provided with a titanium plating layer of 0.1-10 mu m;

the beneficial effects of the step are as follows: the titanium plating layer is more wear-resistant, the bar is less prone to galling caused by material adhesion, and the service life of the bar is longer.

Further, the method comprises the following steps: the feeding roller assembly comprises a plurality of pairs of feeding rollers which are arranged at intervals and are perpendicular to each other;

the beneficial effects of the step are as follows: the pairs of feed rollers perpendicular to each other not only have the conveying capacity, but also have the capacity of straightening bars.

Further: the entrance angle of the first drawing die is 33-35 degrees, the entrance angle of the second drawing die is 25-27 degrees, and the entrance angle of the third drawing die is 19-21 degrees;

the beneficial effects of the step are as follows: more and more convergent entering angle can provide bigger and bigger frictional force to and different compression ratios can let the metal flow on the bar drawn more even, and the bar drawn is fuller more, and edges and corners and radian are more sufficient.

The utility model has the advantages that:

1. the special-shaped bar is processed by a pressure processing mode instead of a cutting processing mode, so that the material utilization rate and the processing efficiency can be effectively improved;

2. after the round bar is subjected to cold drawing processing, the finish degree and hardness of the surface of the special-shaped bar are superior to those of the special-shaped bar obtained by traditional cutting processing due to cold hardening of the bar.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described 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 creative efforts.

Fig. 1 is a front view of a first drawing die in a multi-station forming production line for special-shaped bars, which is provided by the utility model;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a front view of a second drawing die in the multi-station forming production line for the special-shaped bar stock provided by the utility model;

FIG. 4 is a top view of FIG. 3;

FIG. 5 is a front view of a third drawing die in the multi-station forming production line for the special-shaped bars provided by the present invention;

fig. 6 is a top view of fig. 5.

Reference numerals are as follows:

1-a first drawing die; 2-a second drawing die; 3-third drawing die.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.

Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

Examples

As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, the utility model provides a multi-station forming production line for special-shaped bars, which comprises:

the device comprises a station, a first drawing die 1 and a second drawing die, wherein the first drawing die 1 is used for preforming the round bar;

the second station is provided with a second drawing die 2, and the second drawing die 2 is used for presetting the preformed bar;

the three stations are provided with third drawing dies 3, and the third drawing dies 3 are used for shaping the pre-shaped bar stock into a special-shaped bar stock;

the heat treatment furnace is used for carrying out solution treatment on the round bar stock, the preformed bar stock and the pre-shaped bar stock before the first station, the second station and the third station, and is used for reducing the hardness of the heat treatment furnace and removing the internal stress after cold hardening;

The heat treatment furnace, the feed roller assembly and the pulling mechanism are well known to those skilled in the art and will not be described in detail herein.

The utility model discloses a cubic cold drawing just can draw into special-shaped bar with circular bar, and whole course of working need not carry out cutting process, has improved material utilization, and the production speed is faster, and efficiency is higher.

The device comprises a drawing mechanism, a first drawing die 1, a second drawing die 2 and a third drawing die 3, and is characterized by further comprising a tip grinding device, wherein the tip grinding device is used for grinding one end of the round bar out of a tip, and the tip is used for fixedly connecting with the drawing mechanism after penetrating through the first drawing die 1, the second drawing die 2 or the third drawing die 3;

the tip grinding equipment can grind one end of a round bar into a tip, and the tip can easily penetrate through a plurality of drawing dies and is also convenient to be fixedly connected with a traction mechanism.

Wherein, the inner hole surfaces of the first drawing die 1, the second drawing die 2 and the third drawing die 3 are all provided with a titanium plating layer of 0.1-10 μm;

the titanium plating layer is more wear-resistant, the bar is less prone to galling caused by material adhesion, and the service life of the bar is longer.

The feeding roller assembly comprises a plurality of pairs of feeding rollers which are arranged at intervals and are vertical to each other;

the pairs of feed rollers which are perpendicular to each other not only have the conveying capacity, but also have the capacity of straightening the bar stock.

Wherein the entry angle of the first drawing die 1 is 33-35 degrees, the entry angle of the second drawing die 2 is 25-27 degrees, and the entry angle of the third drawing die 3 is 19-21 degrees;

the more and more convergent entering angle can provide bigger and bigger frictional force to and different compression ratios can let the metal flow on the bar drawn more even, and the bar drawn out is fuller more, and edges and radians are more sufficient.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. The utility model provides a dysmorphism bar multistation shaping production line which characterized in that includes:

the second station is provided with a second drawing die which is used for presetting the preformed bar;

the three stations are provided with third drawing dies, and the third drawing dies are used for shaping the pre-shaped bar stock into a special-shaped bar stock;

the three traction mechanisms are respectively arranged behind the first station, the second station and the third station and are respectively used for traction of the round bar stock, the preformed bar stock and the preformed bar stock.

2. A multi-station forming production line for profiled bars as claimed in claim 1, characterized in that a tip rolling device is further provided, the tip rolling device is used for rolling one end of the round bar out of a tip, and the tip is used for passing through the first drawing die, the second drawing die or the third drawing die and then is fixedly connected with the traction mechanism.

3. The multi-station forming production line for the special-shaped bars as claimed in claim 1, wherein the inner hole surfaces of the first drawing die, the second drawing die and the third drawing die are all provided with a titanium plating layer of 0.1-10 μm.

4. A multi-station forming production line for profiled bars as claimed in claim 1, wherein the feed roller assembly comprises a plurality of pairs of feed rollers, and the pairs of feed rollers are arranged at intervals perpendicular to each other.

5. A multi-station forming production line for profiled bars as claimed in claim 1, wherein the entry angle of the first drawing die is 33 ° to 35 °, the entry angle of the second drawing die is 25 ° to 27 °, and the entry angle of the third drawing die is 19 ° to 21 °.