CN217964392U

CN217964392U - Special stamping die for pipe fitting forming

Info

Publication number: CN217964392U
Application number: CN202222128837.7U
Authority: CN
Inventors: 李登峰
Original assignee: Xiamen Xingwan Xingye Machinery Co ltd
Current assignee: Xiamen Xingwan Xingye Machinery Co ltd
Priority date: 2022-08-12
Filing date: 2022-08-12
Publication date: 2022-12-06
Anticipated expiration: 2032-08-12

Abstract

The utility model relates to a special stamping die for pipe fitting molding, which comprises an upper male die, a lower female die, an adjusting frame and a compression roller, wherein the lower female die is provided with a module, and an upper opening groove is formed on the side surface of the module facing the upper male die; the upper male die is provided with a lower opening groove on the side surface of the lower female die, and the lower opening groove is arranged corresponding to the upper opening groove; the adjusting frame is provided with a mounting hole and is fixed at one end of the lower female die, and the mounting hole is arranged along the stamping direction of the upper male die; the compression roller is assembled in the mounting hole of the adjusting frame. To sum up, the utility model discloses realized the disposable stamping forming's of finished product pipe fitting processing demand, can also carry out effective location, high-efficient punching press to the pipe fitting tip of different angle demands according to actual conditions, promote stamping die's practicality and application scope.

Description

Special stamping die for pipe fitting forming

Technical Field

The utility model belongs to the technical field of stamping die for the pipe fitting and specifically relates to a special stamping die of pipe fitting shaping that can disposable stamping forming is related to.

Background

A pipe a shown in fig. 1 and 2 includes a main body A1 and an end portion A2, the main body A1 is press-formed by a press die B, a positional relationship of the end portion A2 with respect to the main body A1 needs to be adjusted according to actual needs, and the end portion A2 has a different length and a different angle with respect to the main body A1. The existing pipe fitting A processing procedure comprises two steps, namely: the main body of the pipe a is subjected to press forming operation by a press die B shown in fig. 3, and the second part: and performing stamping, bending and forming operation on the end part of the pipe fitting A by using a bending stamping die. Obviously, in order to complete the processing of the two procedures, two different stamping dies need to be equipped, so that the cost is increased, errors can be enlarged in the step-by-step stamping process of the same pipe fitting A, and the product yield is directly reduced.

In addition, the existing stamping die has simple structure and single function, and the angle setting between the end part A2 of the pipe fitting A and the main body part A1 cannot be adjusted according to the actual technical requirements.

Therefore, how to improve the existing stamping die so as to achieve one-time stamping forming of the pipe fitting a, and also adjust the stamping forming of the end portion A2 of the pipe fitting a according to actual requirements is one of the technical problems to be solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

For solving the technical problem that exists among the prior art, the utility model aims to provide a special stamping die of pipe fitting shaping that can one-time stamping forming.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a special stamping die of pipe fitting shaping, its includes punch holder, lower die, alignment jig and compression roller, wherein:

the lower concave die is provided with a module, and the side surface of the module facing the upper male die is provided with an upper opening groove;

the upper male die is provided with a lower opening groove on the side surface of the lower female die, and the lower opening groove is arranged corresponding to the upper opening groove;

the adjusting frame is provided with a mounting hole and is fixed at one end of the lower female die, and the mounting hole is arranged along the stamping direction of the upper male die;

the compression roller is assembled in the mounting hole of the adjusting frame.

Further preferred is: the adjusting frame is provided with an adjusting hole and the mounting hole;

the adjusting hole is arranged along the stamping direction of the upper male die.

Further preferably: the press roller is arranged on the bolt, and the bolt penetrates through the adjusting hole and is connected with the nut so as to adjust the position of the press roller along the direction of the adjusting hole.

Further preferably: the press roller is rotatably fitted on the bolt.

Further preferably: the adjusting frame is a U-shaped frame, and the open end of the adjusting frame is arranged towards the upper male die.

Further preferred is: and an auxiliary rod is fixedly arranged at one end of the lower female die, and a positioning block is arranged on the auxiliary rod.

Further preferably: and the auxiliary rod passes through the mounting hole of the adjusting frame and is fixedly connected with the lower female die.

Further preferred is: the positioning block is arranged on the screw rod, the screw rod is in threaded connection with the lug on the auxiliary rod, the screw rod is rotated, and the positioning block slides and moves along the axial direction of the screw rod.

After the technical scheme is adopted, compared with the background art, the utility model, have following advantage:

the utility model adds an adjusting bracket on the lower concave die, the adjusting bracket is provided with a mounting hole, a compression roller is assembled in the mounting hole, the compression roller can be adjusted in the mounting hole according to the actual demand, and the end part processing demands of different pipe fittings with different adaptability are met; an auxiliary rod is further arranged in the lower concave die and is provided with a positioning block, the positioning block is abutted against one end of the pipe fitting, and the end part of the pipe fitting A can be bent while the positioning capability of the end part of the pipe fitting is improved; to sum up, the utility model discloses not only realized the processing demand to the disposable stamping forming of finished product pipe fitting, can also carry out effective location to the pipe fitting tip of different angle demands according to actual conditions, and then reached the machining efficiency that provides the pipe fitting, reduced the processing cost, still promoted stamping die's practicality and application scope simultaneously.

Drawings

FIG. 1 is a first schematic structural view of a pipe A;

FIG. 2 is a second schematic structural view of the pipe A;

FIG. 3 is a schematic view of a stamping die structure of a conventional pipe A;

fig. 4 is a schematic structural perspective view of the special stamping die for pipe forming in the embodiment of the present invention;

fig. 5 is a schematic structural perspective view of the special stamping die for pipe forming in the embodiment of the present invention;

fig. 6 is a front view of the structure shown in fig. 4.

The reference numerals of the above description refer to the following:

A. the pipe fitting comprises a pipe fitting body, A1, a main body part, A2, an end part, a B, a stamping die, 100, a lower concave die, 110, an inner concave surface, 111, an upper opening groove, 200, an upper convex die, 210, a convex surface, 211, a lower opening groove, 300, an adjusting frame, 310, a mounting hole, 320, an adjusting hole, 400, a compression roller, 500, an auxiliary rod, 510, a convex block, 600, a positioning block, 700 and a screw rod.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the present invention, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are all based on the orientation or position relationship shown in the drawings, and are only for convenience of description and simplification of the present invention, but do not indicate or imply that the device or element of the present invention must have a specific orientation, and thus, should not be construed as limiting the present invention.

Examples

As shown in fig. 4 to 6, a stamping die dedicated for pipe forming is dedicated to stamping forming of hook-shaped pipe (such as the pipe shown in fig. 1 and 2), and meanwhile, a press roller 400 adjustable along the stamping direction and a positioning block 600 capable of abutting against the end of the pipe are utilized to meet the forming requirements of the tails of different pipes, thereby improving the practicability of the die.

As shown in fig. 4 to 6, the special stamping die for pipe forming includes an upper punch 200, a lower punch 100, an adjusting bracket 300, a pressing roller 400, and an auxiliary rod 500.

As shown in fig. 4 to 6, the lower female die 100 includes a body and a bottom plate, the body is welded on the bottom plate, the upper surface of the body is the surface facing the upper male die 200, the upper surface is a concave surface 110, and the shape of the concave surface 110 is adapted to the shape of the pipe needed after forming; the inner concave surface 110 is provided with an upper open groove 111, the upper open groove 111 is a semicircular groove which is open towards the upper male die 200, and the upper open groove 111 has a through end. Specifically, the method comprises the following steps: one end of the upper opening groove 111 is a flat end, the other end is a through end, the flat end is a closed end, and the through end penetrates through one end side wall of the body.

Specifically, the method comprises the following steps: the bottom plate is a rectangular plate body, the body is a rectangular block body, the body is welded on the bottom plate, and the body is flat and suitable for the shape of a long-strip-shaped pipe body; the upper opening groove 111 is formed along the long side direction of the body, and the opening end of the upper opening groove is located at the end face of one end of the body.

As shown in fig. 4 to 6, the lower surface of the upper punch 200 is a surface facing the lower die 100, and the lower surface is a convex surface 210, and the convex surface 210 is matched with the concave surface 110 of the lower die 100 to form a concave-convex fit; the convex surface 210 is provided with a lower opening groove 211, the lower opening groove 211 is arranged corresponding to the upper opening groove 111, and the lower opening groove 211 is a semicircular groove which is opened towards the lower female die 100. Specifically, the method comprises the following steps: the upper male die 200 comprises a top plate and a body which are connected integrally, the top plate is a rectangular plate body, the body is a rectangular block body, the length of the edge of the short side of the body is far smaller than that of the edge of the long side, and a flat structure is obtained. The body of the upper male die 200 is matched with the body of the lower female die 100, and the convex surface 210 is positioned on the lower surface of the body of the upper male die 200; the lower opening groove 211 is a semicircular groove with an opening facing the direction of the lower female die 100, the lower opening groove 211 is provided with a through end and a closed end, the through end of the lower opening groove 211 is in the same direction as the through end of the upper opening groove 111, and then, a circular opening is formed on the side face of one end of the lower female die 100.

As shown in fig. 4 to 6, the lower open groove 211 of the upper punch 200 corresponds to and is adapted to the upper open groove 111 of the lower punch 100, when the upper punch 200 punches downwards and is engaged with the lower punch 100, the lower open groove 211 and the upper open groove 111 are mutually buckled and communicated to form a pipe forming cavity, one end of the pipe forming cavity is an open end, and the other end of the pipe forming cavity is a closed end, so that the pipe port can be closed while the pipe is punched and bent. It should be noted that: the open end of the pipe forming cavity is a circular opening on one end side of the lower female die 100.

As shown in fig. 4 to 6, the upper punch 200 performs a punching operation toward the lower punch 100 by using a driving member, which is generally an oil cylinder or an air cylinder, and the selection of the oil cylinder and the air cylinder is set according to factors such as product hardness, product size, technical requirements, and the like, which are well known to those skilled in the art and will not be further described.

As shown in fig. 4 to 6, the auxiliary rod 500 is fixed to one end of the lower die 100 and is disposed corresponding to the through end of the upper open groove 111. The auxiliary rod 500 is a bar-shaped rod body, and one end of the auxiliary rod is welded below the through port end of the upper opening groove 111 to place a pipe fitting; the length and width of the auxiliary rod 500 need to be adapted according to the axial length and the outer diameter of the upper opening groove 111. The side of the auxiliary rod 500 facing the upper punch 200 is a pipe placing surface for receiving a pipe.

As shown in fig. 4 to 6, a protrusion 510 is fixed on the auxiliary rod 500, the protrusion 510 is a rectangular block, and is perpendicular to the auxiliary rod 500, and a screw hole is formed along the auxiliary rod 500; the projection 510 is disposed away from the lower concave die 100.

As shown in fig. 4 to 6, a positioning block 600 is slidably connected to the auxiliary rod 500. The positioning block 600 is positioned on the pipe fitting placing surface of the auxiliary rod 500, a screw 700 is installed at one end of the positioning block, which is far away from the lower female die 100, and the screw 700 is in threaded connection with the positioning block 600; the screw 700 passes through the screw hole of the projection 510 and is screwed with the positioning block 600. It should be noted that: the screw 700 is screwed with the screw hole of the bump 510, that is: the protrusion 510 is a fixing element relative to the screw 700 and the positioning block 600, and the positioning rod is driven to slide along the axial direction of the screw 700 by rotating the screw 700, wherein the axial direction of the screw 700 is arranged along the direction of the auxiliary rod 500.

That is to say: as shown in fig. 4 to 6, when the position of the positioning block 600 needs to be adjusted according to the length of the pipe, the screw 700 can be manually rotated, and the position of the positioning block 600 is controlled by the rotated screw 700, so that the positioning block 600 presses against the end of the pipe to position the pipe.

As shown in fig. 4 to 6, an adjusting bracket 300 is further fixed on the lower concave die 100, and the adjusting bracket 300 and the auxiliary rod 500 are located on the same side of the lower concave die 100; the adjusting bracket 300 is a U-shaped bracket, and the auxiliary rod 500 passes through the adjusting bracket 300 and is fixedly connected with the lower concave die 100.

As shown in fig. 4 to 6, the adjusting bracket 300 is provided with an adjusting hole 320 and a mounting hole 310, and the mounting hole 310 and the adjusting hole 320 are both arranged along the punching direction of the upper punch 200. The mounting hole 310 is a hole communicated with the pipe forming cavity, the axial direction of the mounting hole 310 is consistent with the axial direction of the screw 700 and the pressing and positioning direction of the positioning block 600 of the pipe, and the adjusting hole 320 is perpendicular to the hole of the mounting hole 310.

It should be noted that: as shown in fig. 4 to 6, the adjusting holes 320 include two symmetrically distributed through-holes, which are respectively located on two opposite sidewalls of the opening end of the adjusting frame 300.

As shown in fig. 4 to 6, a pressing roller 400 is installed in the installation hole 310, and the pressing roller 400 is rotatably installed on a bolt. It should be noted that: the bolt comprises a screw head, a smooth section and a threaded section which are integrally connected, the press roller 400 is assembled at the smooth section, and the threaded section is far away from the screw head and is in threaded connection with the nut. The bolt penetrates through a strip-shaped through hole in the adjusting frame 300, is assembled with the compression roller 400, penetrates through another strip-shaped through hole in the adjusting frame 300, and is finally in threaded connection with the nut; the positioning of the compression roller 400 is realized by screwing the nut and the bolt; when the position of the pressing roller 400 needs to be adjusted according to actual processing requirements, only the nut needs to be screwed, the bolt is driven to adjust the position of the pressing roller 400 to meet the requirements, and finally the nut is used for locking and positioning.

It should be noted that: as shown in fig. 4 to 6, the pressing roller 400 and the positioning block 600 are both components for positioning the pipe, and in general, only one of the pressing roller 400 and the positioning block 600 is required: namely: when the positioning block 600 is used for pressing and positioning the pipe fitting, the pipe fitting is not required to be positioned by the pressing roller 400; or, when the pipe is positioned by the press roller 400, the pipe does not need to be positioned by the positioning block 600.

As shown in fig. 4 to 6, when the pipe needs to be punched to have the structure shown in fig. 1, the raw pipe is a straight pipe and is placed in the upper opening groove 111 of the lower die 100, at this time, one end of the pipe is arranged corresponding to the sealing end of the upper opening groove 111, the other end of the pipe extends out from the opening end of the upper opening groove 111, and the adjusting screw 700 is rotated to slidably adjust the positioning block 600, so that the positioning block 600 is pressed against one end of the straight pipe;

the driving member drives the upper punch 200, the upper punch 200 punches towards the lower die 100, the pipe fitting in the upper open groove 111 is punched and bent, and the end of the pipe fitting is pressed by the positioning block 600, so that one end of the pipe fitting is positioned, and the pipe fitting structure shown in fig. 1 is obtained.

As shown in fig. 4 to 6, when the pipe needs to be punched to have the structure shown in fig. 2, the raw material pipe is a straight pipe and is placed in the upper open groove 111 of the lower die 100, at this time, one end of the pipe is arranged corresponding to the sealing end of the upper open groove 111, the other end of the pipe extends out of the opening end of the upper open groove 111 and extends into the adjusting frame 300, and the other end of the pipe is located below the press roll 400;

the driving piece is used for driving the upper male die 200, the upper male die 200 punches towards the lower female die 100, the pipe fitting in the upper opening groove 111 is punched, bent and formed, the other end of the straight pipe rises along with the downward pressure of the upper male die 200 until the other end of the straight pipe is positioned by the compression roller 400, and the punching forming of the pipe fitting is completed, so that the pipe fitting structure shown in fig. 2 is obtained.

It should be noted that: when the pipe fitting is positioned by using the pressing roller 400, the position of the pressing roller 400 can be adjusted in the direction of the mounting hole 310 according to actual requirements.

As shown in fig. 4 to 6, when the wall thickness of the pipe is large and the material is hard, or the pipe cannot be pressed and positioned effectively only by the positioning block 600, the pressing roller 400 needs to be adjusted to a position closest to the pipe so as to press down one end of the pipe; meanwhile, the positioning block 600 is pressed against one end of the pipe fitting, so that one end of the pipe fitting is effectively positioned, and the technical requirements of product processing are met.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. Special stamping die of pipe fitting shaping, its characterized in that: it includes terrace die, lower die, alignment jig and compression roller, wherein:

2. The special stamping die for pipe fitting forming as claimed in claim 1, wherein: the adjusting frame is provided with an adjusting hole and the mounting hole;

3. The tube forming dedicated stamping die according to claim 2, characterized in that: the compression roller is installed on the bolt, and the bolt passes through the adjusting hole and is connected with the nut so as to adjust the position of the compression roller along the direction of the adjusting hole.

4. The special stamping die for pipe fitting forming as claimed in claim 3, wherein: the press roller is rotatably fitted on the bolt.

5. The special stamping die for pipe forming as claimed in claim 2, wherein: the adjusting frame is a U-shaped frame, and the open end of the adjusting frame is arranged towards the upper male die.

6. The special stamping die for pipe fitting forming as claimed in claim 1, wherein: and one end of the lower female die is fixedly provided with an auxiliary rod, and a positioning block is arranged on the auxiliary rod.

7. The tube forming dedicated stamping die of claim 6, wherein: and the auxiliary rod penetrates through the mounting hole of the adjusting frame and is fixedly connected with the lower concave die.

8. The special stamping die for pipe forming as claimed in claim 6, wherein: the positioning block is arranged on the screw rod, the screw rod is in threaded connection with the projection on the auxiliary rod, the screw rod is rotated, and the positioning block slides and moves along the axial direction of the screw rod.