CN210280440U

CN210280440U - A pipe bend forming device

Info

Publication number: CN210280440U
Application number: CN201920784655.0U
Authority: CN
Inventors: 石勇
Original assignee: Ningbo Liqiang Machinery Co ltd
Current assignee: Ningbo Liqiang Machinery Co ltd
Priority date: 2019-05-28
Filing date: 2019-05-28
Publication date: 2020-04-10
Anticipated expiration: 2029-05-28

Abstract

The utility model provides a bend pipe forming device, which comprises a straight pipe and a bending forming device, wherein the straight pipe is arranged on the bending forming device, the bending forming device comprises a positioning clamp, a driving mechanism and a guiding mechanism, the positioning clamp is arranged on the side edge of the driving mechanism, the guide mechanism faces the driving mechanism, the driving mechanism comprises a guide die seat, a pipe bending wheel die, a component positioning mechanism and a fixing mechanism, the pipe bending wheel die is assembled on the guide die seat, the component positioning mechanism is arranged on the pipe bending wheel die, the fixing mechanism faces the pipe bending wheel die, the pipe joint can be fixed on the pipe bending wheel die through the component positioning mechanism, the whole device is simple in structure and novel in design, stability in the production process can be effectively guaranteed, and produced products are good in consistency and high in yield.

Description

Elbow pipe forming device

Technical Field

The utility model belongs to the technical field of the return bend technique and specifically relates to a return bend forming device.

Background

The production process of the elbow pipe in the prior art generally comprises the steps of firstly assembling and positioning the components and then brazing, and the production process has some problems: firstly, the assembly and positioning of the components are difficult to clamp due to the pipe type, so that the positioning difficulty is increased, and the consistency of the products is influenced due to the unstable shape position after the positioning; secondly, the bent pipe is positioned and then brazed, so that the bent pipe deforms due to high-temperature operation and the deformation is irregularly found; finally, the deformation of the metal plate causes the need of adding a correction manufacturing process, thereby not only reducing the production efficiency, but also increasing the labor cost, and in addition, the correction can cause secondary damage to the product, so that the yield of the product can be reduced.

SUMMERY OF THE UTILITY MODEL

A primary object of the utility model is to provide a pipe bending device, its difference of overcoming prior art, it is equipped with part positioning mechanism, can fix a position the coupling fast accurately to the problem of not good location among the prior art has been solved effectively, makes the product uniformity who produces high.

Another object of the utility model is to provide a return bend forming device, it can realize welding earlier and bend the operation again, can solve among the prior art earlier buckle the problem that the return bend that leads to in the welding easily takes place to warp in welding process effectively to the yield of product has been improved.

Another object of the utility model is to provide a return bend forming device, its operation process is simple and convenient, and the product stability of producing is good.

In order to achieve the above purpose, the utility model adopts the technical scheme that: the utility model provides an elbow forming device includes the straight tube and bends forming device, the straight tube install in on the forming device bends, the forming device bends includes positioning clamp, actuating mechanism and guiding mechanism, the positioning clamp is established in actuating mechanism's side, guiding mechanism towards actuating mechanism, actuating mechanism includes die holder, return bend wheel mould, part positioning mechanism and fixed establishment, return bend wheel mould assemble in on the die holder, part positioning mechanism install in on the return bend wheel mould, fixed establishment towards return bend wheel mould.

According to the utility model discloses an embodiment, the straight tube includes coupling and straight tube body, straight tube body weld in on the coupling, the coupling is aimed at part positioning mechanism, the locating clip is equipped with first constant head tank, first constant head tank axial is aimed at the straight tube body.

According to the utility model discloses an embodiment, part positioning mechanism is equipped with location body, fixed block, second constant head tank and locating lever, the fixed block rigid coupling in the one end of location body, the second constant head tank is followed integratively the upper surface undercut of location body forms, the locating lever runs through the location body just stretches into in the second constant head tank.

According to the utility model discloses an embodiment, the second constant head tank is the circular arc structure, the radius of second constant head tank with the radius size of coupling is the same, the second constant head tank can hold the coupling.

According to the utility model discloses an embodiment, the locating lever is equipped with location portion, the coupling is equipped with joint portion, joint portion aims at location portion, joint portion adapt in location portion.

According to the utility model discloses an embodiment, fixed establishment includes the base and presss from both sides tight piece, the base set up in the left side of guide die seat, press from both sides tight piece install in on the base.

According to the utility model discloses an embodiment, be equipped with the wheel die groove on the return bend wheel mould, it is equipped with and presss from both sides tight groove to press from both sides tight piece, press from both sides tight groove radial alignment the wheel die groove, the wheel die groove and can form the centre gripping district between the tight groove of clamp.

According to the utility model discloses an embodiment, guiding mechanism includes guide holder and guide block, the guide holder borders on the base, the guide block install in on the guide holder.

According to the utility model discloses an embodiment, be equipped with the guide way on the guide block, the guide way set up in press from both sides tight groove and between the first constant head tank, the guide way is radially aimed at the wheel die cavity, press from both sides tight groove the guide way and axial alignment in proper order between the first constant head tank three.

The utility model has the advantages that: by adopting the technical scheme, the pipe joint can be effectively and quickly positioned by the aid of the component positioning mechanism, so that the condition that the bending degree of a product is inconsistent due to loosening of the pipe joint during bending operation is effectively avoided, and the consistency of the product is effectively improved; the fixing mechanism is arranged and can fix the welding part between the pipe joint and the straight pipe body, so that the part cannot be influenced in the bending process, the efficiency in the whole production process is improved, and the rejection rate is reduced; it is equipped with return bend wheel mould, adjusts the degree of buckling through setting up its pivoted angle to can satisfy the demand of the different degree return bends of buckling of preparation, thereby improve the practicality of whole device.

Drawings

Fig. 1 is a schematic perspective view of a preferred embodiment of the present invention.

Fig. 2 is a top view of a preferred embodiment according to the present invention.

Figure 3 is a cross-sectional view taken along a-a of figure 2 according to the present invention.

Fig. 4 is a schematic view of a straight pipe body and a pipe joint after welding according to a preferred embodiment of the present invention.

Fig. 5 is a schematic view of a straight pipe after bending according to a preferred embodiment of the present invention.

Fig. 6 is a schematic structural view of a bending and forming device according to a preferred embodiment of the present invention.

Fig. 7 is a front view of the bending and forming device according to the present invention.

Fig. 8 is a cross-sectional view taken along line B-B of fig. 7 in accordance with the present invention.

Fig. 9 is an enlarged schematic view of the pipe joint fixed to the component positioning mechanism according to the present invention.

Fig. 10 is a schematic structural view of a driving mechanism according to the present invention.

Fig. 11 is a schematic structural view of the middle positioning clamp, the guiding mechanism and the fixing mechanism

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

As shown in fig. 1 to 11, a pipe bending apparatus 1 includes a straight pipe 10 and a bending apparatus 20, the straight pipe 10 is mounted on the bending apparatus 20, the bending apparatus 20 is configured to perform a bending operation on the straight pipe, the bending apparatus 20 includes a positioning clip 30, a driving mechanism 40 and a guiding mechanism 50, the positioning clip 30 is disposed at a side of the driving mechanism 40, the positioning clip 30 is configured to perform a positioning operation on the straight pipe body 12, the guiding mechanism 50 faces the driving mechanism 40, and the guiding mechanism 50 is configured to perform a guiding operation on the straight pipe 10 during the bending operation, so as to not only increase a speed of the bending operation, but also effectively ensure stability during the bending process; the driving mechanism 40 includes a guide die holder 41, a pipe bending wheel die 42, a component positioning mechanism 43 and a fixing mechanism 44, the pipe bending wheel die 42 is assembled on the guide die holder 41, the component positioning mechanism 43 is installed on the pipe bending wheel die 42, the fixing mechanism 44 faces the pipe bending wheel die 42, the component positioning mechanism 43 can fix the pipe joint 11 on the pipe bending wheel die 42, the fixing mechanism 44 can fix the straight pipe body 12, the guide die holder 41 can drive the pipe bending wheel die 42 to rotate around a wheel axle, so that the driving mechanism 40 can perform bending operation on the straight pipe 10, and people can adjust the rotation angle of the pipe bending wheel die 42 according to the actual production requirement, so that bent pipes with different bending degrees can be formed, thereby meeting the actual production requirement, the operation process of the staff is more convenient, the forming quality of the product is obviously improved, the size of the product can be effectively guaranteed, the overall quality of the product is obviously improved, the production efficiency is greatly improved, the cost is reduced, and therefore higher production benefits are obtained for companies.

Wherein, the straight pipe 10 includes a pipe joint 11 and a straight pipe body 12, the straight pipe body 12 is welded on the pipe joint 11, before bending operation, the straight pipe body 12 is welded on the pipe joint 11 by brazing, so that the operation of welding and bending is performed first, thereby avoiding the easy deformation of the bent pipe in the welding high-temperature operation caused by the bending and brazing in the prior art, effectively improving the production efficiency in the whole production process, and making the produced product have good consistency, the pipe joint 11 is aligned with the component positioning mechanism 43, the positioning clamp 30 is provided with a first positioning groove 31, the first positioning groove 31 is axially aligned with the straight pipe body 12, when the straight pipe 10 is positioned and fixed, the pipe joint 11 is aligned with the component positioning mechanism 43, the component positioning mechanism 43 can fix the pipe joint 11, one end of the straight pipe body 12, which is far away from the pipe joint 11, is axially inserted into the first positioning groove 31, the positioning clamp 30 is used for fixing the straight pipe body 12 through the first positioning groove 31, so that the pipe joint 11 and the straight pipe body 12 are positioned, the straight pipe 10 is effectively fixed on the bending forming device 20, and the whole positioning and fixing operation is simple, convenient and fast.

Wherein, the component positioning mechanism 43 is provided with a positioning body 431, a fixing block 432, a second positioning groove 433 and a positioning rod 434, the fixing block 432 is fixedly connected to one end of the positioning body 431, the fixing block 432 can fix the positioning body 431 on the pipe bending wheel die 42, the second positioning groove 433 is integrally formed by downward sinking from the positioning body 431, the positioning rod 434 penetrates through the positioning body 431 and extends into the second positioning groove 433, when the pipe joint 11 is fixedly positioned, the pipe joint 11 is placed into the second positioning groove 433, because the radius of the second positioning groove 433 is the same as the radius of the pipe joint, the second positioning groove 433 can primarily limit the pipe joint 11, push the positioning rod 434, so that the positioning rod 434 extends into the pipe joint 11, thereby under the dual functions of the second positioning groove 433 and the positioning rod 434, the part positioning mechanism 43 can perform positioning operation on the pipe joint 11, and the positioning and fixing operation is simple and ingenious in design, so that preparation can be made for subsequent bending operation, and good consistency of products produced in the subsequent bending process can be effectively guaranteed.

Wherein, the second positioning groove 433 is of an arc structure, the radius of the second positioning groove 433 is the same as the radius of the pipe joint 11, whereby said coupling 11 is placed in said second positioning groove 433, said second positioning groove 433 enabling a fixing operation of said coupling 11, said positioning rod 434 is axially aligned with said coupling 11, after the pipe joint 11 is placed in the second positioning groove 433, the positioning rod 434 is pushed, the positioning rod 434 is inserted into the pipe joint 11, so that the pipe joint 11 is fixedly positioned by the second positioning groove 433 and the positioning rod 434, the stability of the pipe joint 11 is ensured, therefore, the problem that the consistency of the produced product is poor due to the fact that the pipe joint 11 is loosened can not occur during later-stage bending operation, and the yield of the product in the whole production process can be effectively improved.

The positioning rod 434 is provided with a positioning portion 435, the pipe joint 11 is provided with a clamping portion 111, the clamping portion 111 aligns with the positioning portion 435, the clamping portion 111 is adapted to the positioning portion 435, and the positioning portion 435 can be clamped into the clamping portion 111, so that the positioning rod 434 can fix the pipe joint 11, so that the pipe joint 11 can be moved in the rotation process of the elbow wheel mold 42, and the positioning mode is simple and efficient, thereby improving the stability of the pipe joint 11 in the positioning process and making a foundation for subsequent operations.

The fixing mechanism 44 includes a base 441 and a clamping block 442, the base 441 is disposed on the left side of the guide die holder 41, the clamping block 442 is mounted on the base 441, and when the pipe joint 11 is positioned, the clamping block 442 is pushed, so that the clamping block 442 can fix the straight pipe body 12 near one end of the pipe joint 11.

Wherein, the wheel mold groove 421 is arranged on the pipe bending wheel mold 42, the clamping block 442 is provided with a clamping groove 443, the clamping groove 443 is radially aligned with the wheel mold groove 421, the clamping area 45 is formed between the wheel mold groove 421 and the clamping groove 443, when the pipe joint 11 and the positioning clamp 30 perform a positioning operation on the straight pipe 10, the fixing mechanism 44 is activated, the clamping groove 443 is used to fix the straight pipe body 12 in the clamping area 45, the clamping block 442 is used to fix the straight pipe body 12 near one end of the pipe joint 11, thereby effectively protecting the welding portion of the pipe joint 11 and the straight pipe body 12, effectively avoiding damage to the welding portion of the pipe joint 11 and the straight pipe body 12 during bending, and ensuring stability during bending, the product yield in the production process is improved.

The guide mechanism 50 includes a guide seat 51 and a guide block 52, the guide seat 51 is adjacent to the base 441, the guide block 52 is installed on the guide seat 51, when performing bending operation, the pipe bending wheel die 42 can drive the pipe joint 11 to rotate, meanwhile, the fixing mechanism 44 rotates along with the rotation of the pipe bending wheel die 42, the guide mechanism 50 remains stationary, so that under the action of the pipe bending wheel die 42 and the guide mechanism 50, the pipe bending wheel die 42 can perform bending operation on the straight pipe body 12, the guide mechanism 50 not only can perform guiding function on the straight pipe body 12 during bending, but also can drive the straight pipe body 12 to act on the guide block 52 through the pipe bending wheel die 42, so that the straight pipe body 12 can be bent.

The guide block 52 is provided with a guide groove 521, the guide groove 521 is disposed between the clamping groove 443 and the first positioning groove 31, and the guide groove 521 is radially aligned with the die wheel groove 421, so that when the tube bending die 42 performs a bending operation, a force generated by the tube bending die 42 acts on the guide groove 521, and thus the tube bending die 42 can perform a bending operation on the straight tube body 12 in the die wheel groove 421 and the guide groove 521, and in the operation process, a person can adjust the bending degree of the straight tube body 12 by controlling the rotation angle of the tube bending die 42, so as to form bent tubes with different bending angles; the clamping groove 443, the guide groove 521 and the first positioning groove 31 are sequentially axially aligned with each other, when the straight pipe 10 is positioned, the component positioning mechanism 43 can position the pipe joint 11, the clamping area 45 can clamp the straight pipe body 12 close to the pipe joint 11, and the clamping groove 443, the guide groove 521 and the first positioning groove 31 are sequentially axially aligned with each other to position the straight pipe body 12, so that the positioning operation of the whole straight pipe 10 is completed, and preparation is provided for the subsequent bending operation.

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 return bend forming device, its characterized in that, includes the straight tube and bends forming device, the straight tube install in on the forming device bends, the forming device bends includes positioning clamp, actuating mechanism and guiding mechanism, positioning clamp sets up in actuating mechanism's side, guiding mechanism towards actuating mechanism, actuating mechanism includes die holder, return bend wheel mould, part positioning mechanism and fixed establishment, return bend wheel mould assemble in on the die holder, part positioning mechanism install in on the return bend wheel mould, fixed establishment towards return bend wheel mould.

2. The elbow forming apparatus according to claim 1, wherein the straight pipe comprises a pipe joint and a straight pipe body, the straight pipe body is welded to the pipe joint, the pipe joint is aligned with the component positioning mechanism, and the positioning clamp is provided with a first positioning groove which is axially aligned with the straight pipe body.

3. The elbow forming device according to claim 2, wherein the component positioning mechanism is provided with a positioning body, a fixing block, a second positioning groove and a positioning rod, the fixing block is fixedly connected to one end of the positioning body, the second positioning groove is integrally formed by being recessed downwards from the upper surface of the positioning body, and the positioning rod penetrates through the positioning body and extends into the second positioning groove.

4. The elbow molding apparatus according to claim 3, wherein said second detent is of arcuate configuration having a radius of the same size as the radius of the fitting, said second detent being adapted to receive the fitting, said detent being axially aligned with the fitting.

5. The elbow forming device according to claim 4, wherein the positioning rod is provided with a positioning portion, the pipe joint is provided with a snap-in portion, and the positioning portion is aligned with the snap-in portion.

6. The elbow molding apparatus according to claim 5, wherein the fixing mechanism includes a base provided on a left side of the guide shoe, and a clamp block mounted on the base.

7. The elbow forming device according to claim 6, wherein the elbow die is provided with a die groove, the clamping block is provided with a clamping groove, the clamping groove is radially aligned with the die groove, and a clamping area is formed between the die groove and the clamping groove.

8. The elbow molding apparatus according to claim 7, wherein the guide mechanism includes a guide seat adjacent to the base and a guide block mounted on the guide seat.

9. The elbow forming device according to claim 8, wherein the guide block is provided with a guide groove, the guide groove is disposed between the clamping groove and the first positioning groove, the guide groove is radially aligned with the die cavity, and the clamping groove, the guide groove and the first positioning groove are sequentially axially aligned.