CN207787300U - Continuous cold-drawing device and welded tube forming assembly line - Google Patents

Abstract

The utility model provides a kind of continuous cold-drawing device and welded tube forming assembly line, is related to cold-drawn equipment technical field, and continuous cold-drawing device includes the turntable for being wound with welded tube, the alignment area that Welded Pipe carries out the reducing district of reducing processing and Welded Pipe is straightened；Reducing district includes sliding rail and is fixed on the reducing mold of sliding rail one end, and reducing mold is arranged towards turntable, and armful pincers component that can be reciprocatingly slided is slidably connected on sliding rail, and the welded tube across reducing mold can be clamped and be transported to alignment area by embracing a pincers component.It alleviates Welded Pipe in the prior art and is singly pulled out the technical issues of leading to waste of material and inefficiency.

Description

Continuous cold-drawing device and welded tube forming assembly line

Technical field

The utility model is related to cold-drawn equipment technical field, in particular to a kind of continuous cold-drawing device and welded tube at Type assembly line.

Background technology

With the continuous improvement that the development of automobile industry, industry require environmental protection and energy saving, each main engine plants constantly carry out light weight Change technological improvement, requires each parts to reduce material weight under the premise of not influencing parts performance in design, for welded tube Parts need to design using ultrastrength material or surmount material itself according to designing material by surface hardening process satisfaction Performance.Such as automotive headrest bar designing material B340/590DP, some main engine plants can be designed to require tensile property up to 870MPa with On, material performance itself cannot be satisfied main engine plants' design requirement, only increase cold-drawing technology to realize.

It is most commonly used at present still singly to pull out equipment, at this time, it may be necessary to which being taken the lead to each former material welded tube end can just wear Enter mold and clamped by cold-drawing trolley, under the pulling of cold-drawing trolley, welded tube is made to pass through mold, realizes that reducing operates, however this When also needed to cut off by another aided process by the part that former material welded tube is taken the lead, waste material；In addition, singly pull out process due to Welded tube material is squeezed, and tubing internal stress changes and welded tube is caused to be bent, and need to increase alignment process and is straightened, and further drops Low working efficiency.

Utility model content

The purpose of this utility model is to provide a kind of continuous cold-drawing device and welded tube forming assembly lines, to alleviate existing skill Welded Pipe is singly pulled out the technical issues of leading to waste of material and inefficiency in art.

The utility model provides a kind of continuous cold-drawing device, including be wound with the turntable of welded tube, Welded Pipe carries out at reducing The alignment area that the reducing district and Welded Pipe of reason are straightened；

The reducing district includes sliding rail and is fixed on the reducing mold of sliding rail one end, and the reducing mold is towards the turntable It is arranged, armful pincers component that can be reciprocatingly slided is slidably connected on the sliding rail, described armful of pincers component can be clamped across described The welded tube of reducing mold is simultaneously transported to the alignment area.

Further；The sliding rail includes the first sliding rail and the second sliding rail, and described armful of pincers component includes setting described the First armful on the one sliding rail second armful of pincers for clamping and being arranged on second sliding rail, first armful of pincers and described second armful pincers Include two fixture blocks being oppositely arranged, forms clip slot between two fixture blocks, welded tube is also cross two clip slots；

When the tight welded tube of first armful of clamp and when being slided towards the alignment area, second armful of pincers unclamp welded tube and court It is slided to the turntable, when described first armful pincers unclamp welded tube and are slided towards the turntable, second armful of clamp tightly welds It manages and is slided towards the alignment area.

Further；The fixture block is made of the chock of high-pressure molding.

Further；The alignment area includes the first alignment area and the second alignment area, and first alignment area includes difference First at left and right sides of welded tube holds down assembly holds down assembly with second, and second alignment area includes being located on welded tube The third of lower both sides holds down assembly to hold down assembly with the 4th, and described first holds down assembly, second holds down assembly, third holds down assembly It holds down assembly with the 4th and compresses welded tube jointly.

Further；Described first holds down assembly, second holds down assembly, third holds down assembly to hold down assembly with the 4th and wrap Multiple contact rollers being radially set up in parallel are included, the periphery of the contact roller is abutted with welded tube.

Further；The periphery of the contact roller is equipped with annular groove, and the section of the annular groove is semicircle, weldering Pipe is located in the annular groove.

Further；The alignment area further includes holder, and described first holds down assembly and the third holds down assembly fixation On the bracket, it described second holds down assembly to hold down assembly with the described 4th and is slidably arranged on the holder, described second Hold down assembly to do and hold down assembly movement far from and close to described first, the described 4th holds down assembly can do it is separate and close The third holds down assembly movement.

Further；The holder is equipped with the slideway of multiple one end opens, and described second holds down assembly and the described 4th The shaft of the contact roller in holding down assembly has been respectively and fixedly connected with sliding block, and the sliding block is set in the slideway, the slideway Opposite side wall is equipped with threaded hole with being open, and the threaded hole internal thread is connected with screw rod, and the screw rod is located in the slideway One end be fixedly connected with the sliding block, the other end outside the slideway is fixedly connected with handwheel.

Further；The discharge end in the alignment area is also associated with fracture area, and the fracture area, which is equipped with, can cut off welded tube Cold cut saw and with cold cut saw be drivingly connected servo motor.

The utility model also provides a kind of welded tube forming assembly line, including antirust area and continuous cold-drawn as described above dress It sets, the end of the continuous cold-drawing device is connect with the antirust area.

Compared with the existing technology, the advantageous effect of continuous cold-drawing device and welded tube forming assembly line provided by the utility model It is as follows：

Continuous cold-drawing device provided by the utility model, including it is wound with the turntable of welded tube, Welded Pipe progress reducing processing Reducing district and the alignment area that is straightened of Welded Pipe；Wherein, turntable winding is welded tube to be processed, and turntable is with welded tube Deviate from and rotate, at this point, the movable end of welded tube is taken the lead, ensures that movable end can pass through the reducing mold in reducing district And embraced a pincers component and clamped, then, then a pincers component is embraced by the driving of the driving device of cold-drawing device and is done on sliding rail far from reducing Mold slides, and realizes the reducing processing of Welded Pipe, after embracing the end that pincers component reaches sliding rail, can unclamp welded tube and return to just Beginning position clamps welded tube again, realizes and handles the reducing of follow-up welded tube；The welded tube handled by reducing can enter alignment area It being straightened, you can formation meets diameter and stretching resistance is satisfied by the long straight tube of customer requirement, finally, according to the demand of client, Welded tube after processing can also be cut into the finished product of more designated lengths.

In the manufacturing process of above-mentioned welded tube, the welded tube on entire turntable only need to once be taken the lead processing, be carried significantly The high utilization rate of welded tube；In addition, this continuous cold-drawing device can be completed disposably at the destressing after reducing processing and reducing Reason, need not frequently move welded tube, multiple processes are once completed, and working efficiency is further improved.

Welded tube forming assembly line provided by the utility model, including antirust area and continuous cold-drawing device described above, weldering Pipe can also be directly entered antirust area and carry out the antirust treatments such as oiling after continuous cold plate device is processed and to form finished product, improve at Product can the resting period while, further improve working efficiency.

In addition, the other technologies advantage of welded tube forming assembly line provided by the utility model and above-mentioned continuous cold-drawing device Technical advantage is identical, and details are not described herein again.

Description of the drawings

It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art Specific implementation mode or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art Under the premise of labour, other drawings may also be obtained based on these drawings.

Fig. 1 is the structural schematic diagram for the continuous cold-drawing device that the utility model embodiment provides；

Fig. 2 is the enlarged drawing A in Fig. 1；

Fig. 3 is the enlarged drawing B in Fig. 1；

Fig. 4 is the structural schematic diagram for the welded tube forming production line that the utility model embodiment provides.

Icon：1- turntables；2- reducing districts；3- is straightened area；4- fractures area；5- antirusts area；21- first embraces pincers； 22- second embraces pincers；23- sliding rails；24- reducing molds；31- contact rollers；32- handwheels；33- sliding blocks；34- screw rods；35- Retaining swivel nut.

Specific implementation mode

The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally The every other embodiment that field those of ordinary skill is obtained without making creative work, belongs to this practicality Novel protected range.

It is in the description of the present invention, it should be noted that term "center", "upper", "lower", "left", "right", " perpendicular Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only The utility model and simplifying describes for ease of description, do not indicate or imply the indicated device or element must have it is specific Orientation, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.In addition, term " the One ", " second ", " third " are used for description purposes only, and are not understood to indicate or imply relative importance.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection；It can be mechanical connection, can also be electrical connection；Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, it can understand above-mentioned art with concrete condition The concrete meaning of language in the present invention.

Embodiment one

As shown in Figure 1-Figure 3, the utility model embodiment provides a kind of continuous cold-drawing device, including is wound with welded tube The alignment area 3 that turntable 1, Welded Pipe carry out the reducing district 2 of reducing processing and Welded Pipe is straightened；Reducing district 2 includes sliding rail 23 With the reducing mold 24 for being fixed on 23 one end of sliding rail, reducing mold 24 is arranged towards turntable 1, and being slidably connected on sliding rail 23 can What is reciprocatingly slided embraces pincers component, and the welded tube across reducing mold 24 can be clamped and be transported to alignment area 3 by embracing pincers component.

The continuous cold-drawing device that the utility model embodiment provides, including be wound with turntable 1, the Welded Pipe of welded tube and become The alignment area 3 that the reducing district 2 and Welded Pipe of diameter processing are straightened；Wherein, the winding of turntable 1 is welded tube to be processed, turntable 1 It is rotated with the abjection of welded tube, at this point, the movable end of welded tube is taken the lead, ensures that movable end can pass through reducing district 2 On reducing mold 24 and embraced a pincers component and clamped, then, then pincers component embraced in cunning by the driving of the driving device of cold-drawing device It does on rail 23 and is slided far from reducing mold 24, realize the reducing processing of Welded Pipe, after embracing the end that pincers component reaches sliding rail 23, Welded tube can be unclamped and return to initial position, clamp welded tube again, realize and the reducing of follow-up welded tube is handled；At reducing The welded tube of reason can enter alignment area 3 and is straightened, you can and formation meets diameter and stretching resistance is satisfied by the long straight tube of customer requirement, Finally, according to the demand of client, the welded tube after processing can also be cut into the finished product of more designated lengths.

In the manufacturing process of above-mentioned welded tube, the welded tube on entire turntable 1 only need to once be taken the lead processing, be carried significantly The high utilization rate of welded tube；In addition, this continuous cold-drawing device can be completed disposably at the destressing after reducing processing and reducing Reason, need not frequently move welded tube, multiple processes are once completed, and working efficiency is further improved.

It is noted that the movement of pincers component is embraced in driving in the present embodiment and the driving device of clamp or release welded tube uses liquid Equipment is pressed to provide power；It is led in addition, the welded tube on turntable 1 can also pass through charging guide portion before entering reducing mold 24 To guarantee welded tube will enter the entrance of the part face reducing mold 24 of reducing mold 24.

It is analyzed in detailed below specifically, the present embodiment also does the concrete structure of continuous cold-drawing device.

First, in the present embodiment, sliding rail 23 includes the first sliding rail and the second sliding rail, and it includes that setting is slided first to embrace pincers component First armful of pincers 21 on rail and second armful of pincers 22 being arranged on the second sliding rail, first armful of pincers 21 and second armful of pincers 22 include two A fixture block being oppositely arranged forms clip slot between two fixture blocks, and welded tube is also cross two clip slots；When first armful of pincers 21 clamps welded tube And when being slided towards alignment area 3, second armful of pincers 22 unclamps welded tube and is slided towards turntable 1, when first armful of pincers 21 unclamps welded tube simultaneously When being slided towards turntable 1, second armful of pincers 22 clamps welded tube and is slided towards alignment area 3.

Wherein, as shown in Fig. 2, the first sliding rail and the practical front and back two parts for sliding rail 23 of the second sliding rail, the length of the two Identical and center line is same straight line, and when clamping 21 progress cold-drawn operation at first armful, second armful of pincers 22 is resetted to prepare cold-drawn behaviour Make, can unclamp welded tube after the completion of 21 cold-drawns operation is clamped at first armful and be resetted, at this point, second armful of pincers 22 resets and complete and press from both sides Tight welded tube starts cold-drawn operation, in this way, embracing pincers by being arranged two, welded tube can be ensured with the constant continual progress of speed Cold-drawn operates, and while ensure that welded tube cold-drawn stable quality, further improves working efficiency.

In addition, compared to common cast iron fixture block, the present embodiment setting fixture block is made of the chock of high-pressure molding.

The intensity of the chock of high-pressure molding, which disclosure satisfy that, clamps welded tube without defeated and dispersed deformation, and the spy of timber itself Property, the confficient of static friction of bigger is capable of the stiction of Welded Pipe offer bigger, and its hardness is less than the hardness of welded tube, ensures Welded tube will not be scratched when it is relatively moved with welded tube, ensure the stabilization of welding tube quality after reducing.

Further, as shown in figure 3, in the present embodiment, alignment area 3 include first alignment area and second alignment area, first Alignment area includes being located at first holding down assembly and hold down assembly with second at left and right sides of welded tube, and the second alignment area includes difference The third of both sides holds down assembly above and below welded tube holds down assembly with the 4th, and first holds down assembly, second holds down assembly, third pressure Tight component and the 4th holds down assembly and common compresses welded tube.

The present embodiment holds down assembly by first, second holds down assembly, third holds down assembly and holds down assembly upper with the 4th Lower left and right four direction Welded Pipe is squeezed, and while further Welded Pipe is straightened, also allows the profit of welded tube remnants uniform It is distributed in each position of welded tube, it is therefore prevented that welded tube is again deformed.

Specifically, the present embodiment setting first holds down assembly, second holds down assembly, third holds down assembly and the 4th compression group Part includes multiple contact rollers 31 being radially set up in parallel, and the periphery of contact roller 31 is abutted with welded tube.

First holds down assembly hold down assembly with second in contact roller 31 keep flat setting and central point is respectively positioned on same level Face, the third contact roller 31 in holding down assembly with the 4th that holds down assembly are vertically arranged and central point is respectively positioned on same vertical plane, often The quantity for the contact roller 31 that group holds down assembly is identical, and contact roller 31 is driven wheel, is not produced relative sliding with welded tube, ensures weldering Pipe carries out not will produce scraping while destressing, further ensures the quality of welded tube.

Further, in the present embodiment, the periphery of contact roller 31 is equipped with annular groove, and the section of annular groove is semicircle Shape, welded tube are located in annular groove.

By the way that annular groove is arranged, can Welded Pipe carry out the extruding in other directions except four direction up and down Power accelerates the elimination of Welded Pipe residual stress, and alignment effect is more preferable, improves the working efficiency of destressing processing.

In addition, in the present embodiment, alignment area 3 further includes holder, and first, which holds down assembly, holds down assembly with third and be fixed on branch On frame, second, which holds down assembly, holds down assembly with the 4th and is slidably arranged on holder, second holds down assembly can do it is separate and close First holds down assembly movement, and the 4th, which holds down assembly, can do and hold down assembly movement far from and close to third.

At this point, alignment area 3 can carry out alignment processing to the welded tube of more diameters, the diameter of welded tube is needed to occur in client When variation, reducing mold 24 and slightly mobile entire alignment area 3 are only needed to change, repacking is convenient and efficient, adaptable.

Specifically, in the present embodiment, holder is equipped with the slideway of multiple one end opens, and second holds down assembly compresses with the 4th The shaft of contact roller 31 in component has been respectively and fixedly connected with sliding block 33, and sliding block 33 is set in slideway, the slideway side opposite with being open Wall is equipped with threaded hole, and threaded hole internal thread is connected with screw rod 34, and one end that screw rod 34 is located in slideway is fixedly connected with sliding block 33, The other end outside slideway is fixedly connected with handwheel 32.

At this point, by rotating handwheel 32 manually, second can be completed and held down assembly the compression in holding down assembly with the 4th 31 reciprocatingly sliding in slideway are taken turns, it is not only convenient and strength-saving, moreover it is possible to be precisely controlled the stroke of the sliding of contact roller 31.

As further improvement of this embodiment, retaining swivel nut 35, retaining spiral shell are also associated in the one end of screw rod 34 outwardly Set 35 is between handwheel 32 and slideway side wall, and after adjusting the position of contact roller 31, turn retaining swivel nut 35 makes retaining spiral shell Set 35 and the side wall of slideway are pressed into contact with, and the pressing force between retaining swivel nut 35 and side wall can prevent screw rod 34 and spiral shell on side wall The relative rotation of pit further ensures the alignment effect in alignment area 3.

Further, in the present embodiment, the discharge end in alignment area 3 is also associated with fracture area 4, and fracture area 4 is equipped with and can cut The cold cut saw of disconnected welded tube and the servo motor being drivingly connected with cold cut saw.

According to the requirement of client, under control of the control means, the progress that control servomotor is capable of period shape back and forth moves Dynamic or rotation, makes the cold cut on servo motor saw into the fly-cutting of Welded Pipe, at this point, needing one timing of welded tube length, When the sliding speed of first armful of pincers 21 and second armful of pincers 22 is accelerated, the cutting cycle of cold cut saw can be shortened automatically.

Embodiment two

As shown in figure 4, the utility model embodiment provides a kind of welded tube forming assembly line, including antirust area 5 and as above-mentioned The continuous cold-drawing device, the end of the continuous cold-drawing device are connect with the antirust area 5.

The welded tube forming assembly line that the utility model embodiment provides, including antirust area 5 and continuous cold-drawn described above Device, welded tube can also be directly entered antirust area 5 and carry out at the antirusts such as oiling after continuous cold plate device is processed and to form finished product Reason, improve finished product can the resting period while, further improve working efficiency.

In addition, the other technologies advantage for the welded tube forming assembly line that the utility model embodiment provides and above-mentioned continuous cold-drawn The technical advantage of device is identical, and details are not described herein again.

Finally it should be noted that：The above various embodiments is only to illustrate the technical solution of the utility model, rather than limits it System；Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should Understand：It still can be with technical scheme described in the above embodiments is modified, either to which part or whole Technical characteristic carries out equivalent replacement；And these modifications or replacements, this practicality that it does not separate the essence of the corresponding technical solution are new The range of each embodiment technical solution of type.

Claims (10)

1. a kind of continuous cold-drawing device, which is characterized in that including being wound with the turntable of welded tube, the change of Welded Pipe progress reducing processing The alignment area that diameter area and Welded Pipe are straightened；

The reducing district includes sliding rail and is fixed on the reducing mold of sliding rail one end, and the reducing mold is set towards the turntable It sets, armful pincers component that can be reciprocatingly slided is slidably connected on the sliding rail, described armful of pincers component can be clamped across the change The welded tube of diameter mold is simultaneously transported to the alignment area.

2. continuous cold-drawing device according to claim 1, which is characterized in that the sliding rail includes that the first sliding rail and second are slided Rail, described armful of pincers component include first armful of pincers being arranged on first sliding rail and be arranged on second sliding rail second Pincers are embraced, first armful of pincers and described second armful pincers include two fixture blocks being oppositely arranged, and form clip slot between two fixture blocks, weld Pipe is also cross two clip slots；

When the tight welded tube of first armful of clamp and when being slided towards the alignment area, second armful of pincers unclamp welded tube and towards institutes Turntable sliding is stated, when described first armful pincers unclamp welded tube and are slided towards the turntable, the tight welded tube of second armful of clamp is simultaneously It is slided towards the alignment area.

3. continuous cold-drawing device according to claim 2, which is characterized in that the fixture block by high-pressure molding chock system At.

4. continuous cold-drawing device according to claim 3, which is characterized in that the alignment area includes the first alignment Qu He Two alignment areas, first alignment area include being located at first holding down assembly and hold down assembly with second at left and right sides of welded tube, Second alignment area includes being located at the thirds of welded tube both sides up and down to hold down assembly and hold down assembly with the 4th, first pressure Tight component, second hold down assembly, third holds down assembly to hold down assembly with the 4th and common compresses welded tube.

5. continuous cold-drawing device according to claim 4, which is characterized in that described first hold down assembly, the second compression group It includes multiple contact rollers being radially set up in parallel, the circumference of the contact roller that part, third, which hold down assembly and hold down assembly with the 4th, Face is abutted with welded tube.

6. continuous cold-drawing device according to claim 5, which is characterized in that it is recessed that the periphery of the contact roller is equipped with annular The section of slot, the annular groove is semicircle, and welded tube is located in the annular groove.

7. continuous cold-drawing device according to claim 6, which is characterized in that the alignment area further includes holder, and described One holds down assembly holds down assembly fixation on the bracket with the third, and described second holds down assembly and the 4th compression group Part is slidably arranged on the holder, and described second, which holds down assembly, can do and hold down assembly movement far from and close to described first, Described 4th, which holds down assembly, can do and hold down assembly movement far from and close to the third.

8. continuous cold-drawing device according to claim 7, which is characterized in that the holder is equipped with multiple one end opens Slideway, the described second shaft for holding down assembly the contact roller in holding down assembly with the described 4th have been respectively and fixedly connected with sliding block, institute It states sliding block to be set in the slideway, the slideway side wall opposite with being open is equipped with threaded hole, and the threaded hole internal thread connects It is connected to screw rod, one end that the screw rod is located in the slideway is fixedly connected with the sliding block, is located at another outside the slideway End is fixedly connected with handwheel.

9. according to the continuous cold-drawing device of claim 1-8 any one of them, which is characterized in that the discharge end in the alignment area It is also associated with fracture area, the fracture area is equipped with the servo electricity that can be cut off the cold cut saw of welded tube and be drivingly connected with cold cut saw Machine.

10. a kind of welded tube forming assembly line, which is characterized in that including antirust area and as claimed in any one of claims 1-9 wherein Continuous cold-drawing device, the end of the continuous cold-drawing device are connect with the antirust area.