CN204817816U

CN204817816U - Wire spiral forming device of spring pipe

Info

Publication number: CN204817816U
Application number: CN201520570923.0U
Authority: CN
Inventors: 宝曙光
Original assignee: Balaz Plastic (suzhou) Co Ltd
Current assignee: Balaz Plastic (suzhou) Co Ltd
Priority date: 2015-07-31
Filing date: 2015-07-31
Publication date: 2015-12-02
Anticipated expiration: 2025-07-31

Abstract

The utility model provides a wire spiral forming device of spring pipe, including set gradually be used for the propelling movement wire thread feeding mechanism, be used for the mechanism of leading of tractive wire and separately -driven thread feeding mechanism, lead an initiative pivoted actuating mechanism of a thread mechanism and the 2nd actuating mechanism, its characterized in that: it still includes and send a direction setting at thread feeding mechanism with lead the spiral forming die between the mechanism along leading the silk, spiral forming die includes the die holder and fixes the mold core on the die holder, be equipped with the wire winding groove that is used for the circle to wind the wire on the mold core, the wire is in thread feeding mechanism's promotion and lead the tractive effect of a mechanism under walk around the wire winding is stirred during the groove the mold core rotates. The utility model discloses an optimize forming die's structure for it can carry out real -time adaptability adjustment in actual forming process, and then stability and reliability that can the current wire spiral forming device forming technology of effectual improvement, reduces the drive cost simultaneously.

Description

The wire spiral forming device of bourdon tube

Technical field

The utility model belongs to field of mechanical technique, is specifically related to a kind of wire spiral forming device of bourdon tube.

Background technology

Brake forming wiry is the step of most critical in the shaping production of bourdon tube, the wire spiral forming device of existing helical Bourdon tube comprises for pushing wire feeder wiry, spiral helicine mould is bent around city for tractive Qian Si wiry mechanism with by wire, wire feeder in existing shaped device, it is shaping that Qian Si mechanism and mould rotate one-piece auger wiry respectively under three independently driving mechanism drive, due between three independent rotate make can not be real-time in forming process carry out accommodation, cause the stability of moulding process and reliability not ideal enough, drive cost to remain high simultaneously.

Summary of the invention

For solving the problems of the technologies described above, the utility model provides a kind of wire spiral forming device of bourdon tube, effectively can improve stability and the reliability of moulding process, reduces driving cost simultaneously.

For achieving the above object, the technical solution of the utility model is as follows: a kind of wire spiral forming device of bourdon tube, comprise set gradually for pushing wire feeder wiry, for tractive Qian Si mechanism wiry, and drive described wire feeder respectively, first driving mechanism of Qian Si mechanism active rotation and the second driving mechanism, it is characterized in that: it also comprises and is arranged on spiral forming mould between wire feeder and Qian Si mechanism along leading a wire feed direction, described spiral forming mould comprises die holder, with the core rod be fixed on die holder, described core rod is provided with for circle around wrapping wire groove wiry, stir described core rod when wire walks around described wrapping wire groove under the promotion of described wire feeder and the traction action of Qian Si mechanism to rotate.

In the utility model preferred embodiment, comprise the bearing that described spiral forming mould also comprises support and is arranged in die holder further, the axle of described core rod stretches into die holder internal fixtion on described bearing, and what described die holder can be dismantled is fixed on support.

In the utility model preferred embodiment, what comprise described core rod further is provided with multiple described wrapping wire groove uniformly along interval on the axis direction of its axle.

In the utility model preferred embodiment, comprise described core rod further and there are identical multiple of specification, multiple described core rod circumference is distributed on die holder, the described bearing identical with its quantity is provided with in die holder described in corresponding multiple described core rod, the axle of multiple core rod stretches into after in die holder with different angles and is separately fixed on different bearings, and described wire forms helical form after alternately walking around the wrapping wire groove on multiple core rod successively.

In the utility model preferred embodiment, comprising described core rod is further identical three of specification.

In the utility model preferred embodiment, comprise the wrapping wire groove each described core rod being equipped with four spaced sets further.

The beneficial effects of the utility model are: the utility model provides a kind of wire spiral forming device of bourdon tube, by being optimized to the structure of mould, wire under the effect of Qian Si mechanism and wire feeder through mould, core rod stirs lower rotation wiry on the one hand, it drives wrapping wire in wire wrapping wire groove thereon to form helical form after rotating on the other hand, passive the drawing that initiatively transfer to changing over mould traditional turns, make it can carry out real-time accommodation in actual forming process, and then effectively can improve stability and the reliability of moulding process, reduce driving cost simultaneously.

Accompanying drawing explanation

In order to be illustrated more clearly in the technical scheme in the utility model embodiment technology, be briefly described to the accompanying drawing used required in the description of embodiment technology below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.

Fig. 1 is the stereogram of the utility model preferred embodiment;

Fig. 2 is the structural representation of the spiral forming mould of the utility model preferred embodiment.

Wherein: 1-wire, 2-wire feeder, 4-Qian Si mechanism, 6-spiral forming mould, 8-die holder, 10-core rod, 12-axle, 14-wrapping wire groove, 16-support.

Detailed description of the invention

Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.

Embodiment

As Fig. 1, shown in 2, a kind of wire spiral forming device of bourdon tube is disclosed in the present embodiment, comprise the wire feeder 2 for pushing wire 1 set gradually, for the Qian Si mechanism 4 of tractive wire 1, spiral forming mould 6 between wire feeder 2 and Qian Si mechanism 4 is arranged on along leading a wire feed direction, and drive described wire feeder 2 respectively, first driving mechanism of Qian Si mechanism 4 active rotation and the second driving mechanism, wherein the first driving mechanism and the second driving mechanism can be motor-driven moving runners, wire feeder 2 is driven to promote wire 1 forward from rear when moving runner rotates, and drive Qian Si mechanism 4 from front tractive wire 1, wire 1 is at one end positively propelled, one end is helicoidal structure by coiling under the effect of initiatively tractive when spiral forming mould 6, wherein, described spiral forming mould 6 comprises fixed support 16, the die holder 8 be fixed on support 16 that can dismantle, be arranged on the bearing (not shown) in die holder 8, the core rod 10 of die holder 8 internal fixtion on bearing is stretched into by axle 12, described core rod 10 is provided with the wrapping wire groove 14 for enclosing around wire 1, stir described core rod 10 when wire 1 walks around described wrapping wire groove 14 under the promotion of described wire feeder 2 and the traction action of Qian Si mechanism 4 to rotate.The rotation under the stirring of wire 1 of core rod 10 1 aspect, it drives wrapping wire in wire 1 wrapping wire groove 14 thereon to form helical form after rotating on the other hand, passive the drawing that initiatively transfer to changing over mould traditional turns, make it can carry out real-time accommodation in actual forming process, and then effectively can improve stability and the reliability of moulding process, reduce driving cost simultaneously.

Wherein, what it is worthy of note that die holder 8 of the present utility model can dismantle is fixed on support 16, in order to easy installation and removal, can be fixed by screw or bolt between die holder 8 and support 16, the fixed form can dismantled between the two makes to change die holder 8 according to the requirement of the shaping specification of difference in actual production, be suitable for and usability better.

As further improvement of the utility model, described core rod 10 be provided with multiple described wrapping wire groove 14 uniformly along interval on the axis direction of its axle 12, the core rod 10 of composition spiral forming mould 6 has identical multiple of specification, multiple described core rod 10 circumference is distributed on die holder 8, the described bearing identical with its quantity is provided with in die holder 8 described in corresponding multiple described core rod 10, the axle 12 of multiple core rod 10 stretches into after in die holder 8 with different angles and is separately fixed on different bearings, described wire 1 forms helical form after alternately walking around the wrapping wire groove 14 on multiple core rod 10 successively.

The quantity of core rod 10 is more, the quantity of wrapping wire groove 14 is more, the spiral-shaped more standard that wire 1 turns to, but, along with the difficulty of processing of the increase spiral forming mould 6 of quantity and cost increase thereupon, by continual production practices, consider technology difficulty, cost and spiral-shaped, the utility model preferably adopts three core rods 10, circumference is distributed on die holder 8, each core rod 10 is equipped with four wrapping wire grooves 14, metallic coil winding forming out spiral-shaped can well meet the demands at pitch, spiral radian etc.

During wire 1 coiling, first wrapping wire groove 14 of first wrapping wire groove, 14, second core rod 10 of first core rod 10, first wrapping wire groove 14 of the 3rd core rod 10 is entered successively after entering spiral forming mould 6, one-period is formed through these three wrapping wire grooves 14, then next cycle is entered, i.e. second wrapping wire groove 14 of second wrapping wire groove, 14, second core rod 10, second wrapping wire groove 14 of the 3rd core rod 10 of first core rod 10, enters the 3rd cycle successively, the 4th cycle turns to helical form.

Therefore, the wire spiral forming device of bourdon tube of the present utility model, by being optimized to the structure of mould, wire under the effect of Qian Si mechanism and wire feeder through mould, core rod stirs lower rotation wiry on the one hand, it drives wrapping wire in wire wrapping wire groove thereon to form helical form after rotating on the other hand, passive the drawing that initiatively transfer to changing over mould traditional turns, make it can carry out real-time accommodation in actual forming process, and then effectively can improve stability and the reliability of moulding process, reduce driving cost simultaneously.

To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.

Claims

1. the wire spiral forming device of a bourdon tube, comprise set gradually for pushing wire feeder wiry, for tractive Qian Si mechanism wiry, and drive described wire feeder respectively, first driving mechanism of Qian Si mechanism active rotation and the second driving mechanism, it is characterized in that: it also comprises and is arranged on spiral forming mould between wire feeder and Qian Si mechanism along leading a wire feed direction, described spiral forming mould comprises die holder, with the core rod be fixed on die holder, described core rod is provided with for circle around wrapping wire groove wiry, stir described core rod when wire walks around described wrapping wire groove under the promotion of described wire feeder and the traction action of Qian Si mechanism to rotate.

2. the wire spiral forming device of bourdon tube according to claim 1, it is characterized in that: the bearing that described spiral forming mould also comprises support and is arranged in die holder, the axle of described core rod stretches into die holder internal fixtion on described bearing, and what described die holder can be dismantled is fixed on support.

3. the wire spiral forming device of bourdon tube according to claim 2, is characterized in that: described core rod be provided with multiple described wrapping wire groove uniformly along interval on the axis direction of its axle.

4. the wire spiral forming device of bourdon tube according to claim 3, it is characterized in that: described core rod has identical multiple of specification, multiple described core rod circumference is distributed on die holder, the described bearing identical with its quantity is provided with in die holder described in corresponding multiple described core rod, the axle of multiple core rod stretches into after in die holder with different angles and is separately fixed on different bearings, and described wire forms helical form after alternately walking around the wrapping wire groove on multiple core rod successively.

5. the wire spiral forming device of bourdon tube according to claim 4, is characterized in that: described core rod is identical three of specification.

6. the wire spiral forming device of bourdon tube according to claim 3, is characterized in that: the wrapping wire groove each described core rod being equipped with four spaced sets.