CN219130651U

CN219130651U - Copper pipe pier head mould

Info

Publication number: CN219130651U
Application number: CN202223310505.7U
Authority: CN
Inventors: 丁新灿; 丁煜婷
Original assignee: Suzhou Tailong Refrigeration Co ltd
Current assignee: Suzhou Tailong Refrigeration Co ltd
Priority date: 2022-12-11
Filing date: 2022-12-11
Publication date: 2023-06-06
Anticipated expiration: 2032-12-11

Abstract

The utility model discloses a copper pipe pier head die which comprises a base, a clamping piece positioned at the upper end of the base, and an axial hydraulic rod positioned at the outer end of the clamping piece, wherein an inner sleeve die is arranged in the middle of the clamping piece and positioned on the base, the inner sleeve die comprises an outer ring, a groove, an inner ring and a connecting hole, the inner ring is arranged in the middle of the outer ring, the connecting hole is arranged in the middle of the inner ring, the connecting hole penetrates through the inner ring, the groove is arranged on the outer side of the inner ring and positioned on the inner side of the outer ring, and through the structural arrangement, the problem that burrs exist at the pier head part of a copper pipe after processing in an original device and the problem that the outer wall of the copper pipe is easy to adhere with the inner wall of the die to cause difficult demoulding after the extrusion molding of the pier head of the copper pipe in the original device can be effectively solved.

Description

Copper pipe pier head mould

Technical Field

The utility model belongs to the technical field of pier head dies, and particularly relates to a copper pipe pier head die.

Background

In some engineering connection pipe fittings, it is often necessary to provide an outwardly projecting annular projection on the wall of the copper pipe fitting for connection to other workpieces, while the pier head structure on the copper pipe material is usually manufactured using a die in the pipe end machine equipment.

The existing copper pipe pier head die has the following problems: 1, among the current copper pipe pier nose mould device, after accomplishing pier nose structure manufacturing, pier nose structure department exists the burr, still needs further clearance, 2, among the current copper pipe pier nose mould device, because be through mould extrusion manufacturing pier nose structure, lead to copper pipe and mould inner wall adhesion comparatively inseparable, be unfavorable for the drawing of patterns.

Disclosure of Invention

The utility model aims to provide a copper pipe pier head die, which solves the problems that burrs exist at the copper pipe pier head part and the outer wall of a copper pipe is easy to adhere to the inner wall of the die to cause difficult demoulding in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a copper pipe pier nose mould, includes the base, is located the chucking spare of base upper end, is located the axial hydraulic stem of chucking spare outer end, the middle part of chucking spare just is located the base and is provided with the endotheca mould, the endotheca mould includes outer loop, recess, inner ring and connecting hole, the middle part of outer loop is provided with the inner loop, the middle part of inner loop is provided with the connecting hole, and the connecting hole runs through the inner loop, the outside of inner loop and the inboard that is located the outer loop are provided with the recess.

Preferably, two clamping pieces are arranged, the two clamping pieces are symmetrically distributed on the base, protruding rings are arranged on the inner side walls of the two clamping pieces, the two protruding rings are arranged, and the two protruding rings are vertically distributed on the inner side walls of the clamping pieces.

Preferably, the middle part of the inner sleeve mold is provided with a convex seat, the convex seat is in an annular structure, and the inside of the convex seat is in conductive connection with the inner sleeve mold.

Preferably, the extrusion device is arranged above the boss and above the inner sleeve mold, the radial hydraulic rod is arranged at the upper end of the extrusion device, the extrusion device comprises an extrusion seat, an outer sleeve, an extrusion column and a connecting groove, the extrusion column is arranged at the lower end of the extrusion seat, the outer sleeve is arranged at the outer side of the extrusion column and at the lower end of the extrusion seat, and the connecting groove is arranged at the inner side of the outer sleeve and at the outer side of the extrusion column.

Preferably, the width of the connecting groove is consistent with the thickness of the inner ring.

Preferably, the thickness of the outer sleeve is slightly smaller than the width of the groove.

Preferably, one end of the axial hydraulic rod is connected with the outer wall of the clamping piece, and the other end of the axial hydraulic rod is connected with external hydraulic equipment.

Preferably, the lower end of the radial hydraulic rod is rotationally connected with the extrusion seat, and the upper end of the radial hydraulic rod is connected with external hydraulic equipment.

Compared with the prior art, the utility model provides the copper pipe pier head die which has the following beneficial effects:

1. according to the utility model, through the inner ring, the connecting hole and the extruding seat, the outer sleeve, the extruding column and the connecting groove structure arranged in the extruding device in the inner sleeve mold, and the protruding seat structure, after the pier head structure of the copper pipe is completed, the radial hydraulic rod is utilized to drive the inner sleeve mold to rotate, so that the formed pier head structure rubs with the inner wall of the protruding seat, burrs at the pier head structure of the copper pipe can be removed, the subsequent burr cleaning process is avoided, the processing effect is perfected, and the production efficiency is improved.

2. According to the utility model, after the pier head structure of the copper pipe is completed through the outer ring, the groove, the connecting hole and the extruding seat, the outer sleeve, the extruding column and the connecting groove structure arranged in the extruding device arranged in the inner sleeve mold, the extruding seat connected with the lower end of the radial hydraulic rod is utilized to drive the inner sleeve mold to rotate, and the copper pipe which is possibly adhered with the inner sleeve mold device is separated, so that the subsequent demolding step is easier and more convenient.

Drawings

Fig. 1 is a schematic diagram of the overall connection structure of the present utility model.

Fig. 2 is a schematic diagram of the overall working effect structure of the present utility model.

Fig. 3 is a schematic view of the inner sleeve mold structure of the present utility model.

Fig. 4 is a schematic structural view of the extrusion device of the present utility model.

In the figure: 1. a base; 2. an inner sleeve mold; 3. a boss; 4. an extrusion device; 5. a radial hydraulic rod; 6. a clamping piece; 7. an axial hydraulic rod; 8. a raised ring; 21. an outer ring; 22. a groove; 23. an inner ring; 24. a connection hole; 41. extruding a base; 42. an outer sleeve; 43. an extrusion column; 44. and a connecting groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a copper pipe pier head die as shown in figures 1-4, which comprises a base 1, a clamping piece 6 positioned at the upper end of the base 1, an axial hydraulic rod 7 positioned at the outer end of the clamping piece 6, wherein an inner sleeve die 2 is arranged in the middle of the clamping piece 6 and positioned on the base 1, the inner sleeve die 2 comprises an outer ring 21, a groove 22, an inner ring 23 and a connecting hole 24, the inner ring 23 is arranged in the middle of the outer ring 21, the connecting hole 24 is arranged in the middle of the inner ring 23, the connecting hole 24 penetrates through the inner ring 23, and the groove 22 is arranged at the outer side of the inner ring 23 and the inner side of the outer ring 21.

As shown in fig. 1 and 2, two clamping pieces 6 are provided, the two clamping pieces 6 are symmetrically distributed on the base 1, protruding rings 8 are arranged on the inner side walls of the two clamping pieces 6, the protruding rings 8 are provided with two, the two protruding rings 8 are vertically distributed on the inner side walls of the clamping pieces 6, a protruding seat 3 is arranged in the middle of the inner sleeve mold 2, the protruding seat 3 is of an annular structure, and the inside of the protruding seat 3 is in conductive connection with the inner sleeve mold 2.

As shown in fig. 1 and 4, an extrusion device 4 is arranged above the boss 3 and above the inner sleeve mold 2, a radial hydraulic rod 5 is arranged at the upper end of the extrusion device 4, the extrusion device 4 comprises an extrusion seat 41, an outer sleeve 42, an extrusion column 43 and a connecting groove 44, the lower end of the extrusion seat 41 is provided with the extrusion column 43, the outer side of the extrusion column 43 and the lower end of the extrusion seat 41 are provided with the outer sleeve 42, the inner side of the outer sleeve 42 and the outer side of the extrusion column 43 are provided with the connecting groove 44, the width of the connecting groove 44 is consistent with the thickness of the inner ring 23, and the thickness of the outer sleeve 42 is slightly smaller than the width of the groove 22.

As shown in fig. 1 and 2, one end of the axial hydraulic rod 7 is connected with the outer wall of the clamping piece 6, the other end of the axial hydraulic rod 7 is connected with external hydraulic equipment, the lower end of the radial hydraulic rod 5 is rotationally connected with the extrusion seat 41, and the upper end of the radial hydraulic rod 5 is connected with the external hydraulic equipment.

The working principle of the utility model is as follows: after the utility model is installed, the base 1 is placed in pipe end machine equipment, the radial hydraulic rod 5 and the axial hydraulic rod 7 are respectively connected with hydraulic equipment in the pipe end machine equipment, then the two clamping pieces 6 are outwards stretched through the axial hydraulic rod 7, then copper pipe raw materials are put into the inner sleeve mold 2, then the axial hydraulic rod 7 is reset, so that the two stretched clamping pieces 6 wrap the inner sleeve mold 2, the clamping pieces 6 are tightly clamped and connected with the boss 3 through spaces between the boss rings 8 which are distributed up and down on the inner wall, the inner sleeve mold 2 is fixed, then the hydraulic equipment connected with the radial hydraulic rod 5 is started, so that the extrusion device 4 at the lower end of the radial hydraulic rod 5 is controlled to extrude copper pipes in the inner sleeve mold 2, the pier head of the copper pipes is finished, after the pier head processing is finished, the radial hydraulic rod 5 is controlled to rotate for a plurality of weeks, the copper pipe pier head in the die is convenient for deburring work, meanwhile, the copper pipe and the inner sleeve die 2 are also convenient for demolding, then the axial hydraulic rod 7 is controlled to stretch the clamping piece 6 outwards, the radial hydraulic rod 5 is moved upwards to drive the extrusion device 4 to separate from the inner sleeve die, then the finished product is demolded, in the extrusion processing of the copper pipe in the inner sleeve die 2 by the extrusion device 4, the extrusion column 43 at the lower end of the extrusion seat 41 is connected with the connecting hole 24 in the middle part of the inner ring 23, the outer sleeve 42 which is arranged at the outer side of the extrusion column 23 and at the lower end of the extrusion seat 41 is clamped and connected with the groove 22 between the inner ring 23 and the outer ring 21, the extrusion seat 41 is pushed downwards, the upper end of the copper pipe material placed in the connecting hole 24 is extruded by the extrusion column 43, the connecting part of the connecting hole 24 and the bulge seat 3 is deformed to form a pier head structure, through the structural arrangement, the original device can be effectively solved, after processing, the problem that burrs exist at the pier head part of the copper pipe and the problem that demolding is difficult due to the fact that the outer wall of the copper pipe is easy to adhere to the inner wall of a die after the pier head extrusion molding of the copper pipe is completed in the original device.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a copper pipe pier nose mould, includes base (1), is located chucking spare (6) of base (1) upper end, is located axial hydraulic stem (7) of chucking spare (6) outer end, its characterized in that: the middle part of the clamping piece (6) is provided with an inner sleeve die (2) which is positioned on the base (1);

the inner sleeve die (2) comprises an outer ring (21), a groove (22), an inner ring (23) and a connecting hole (24), wherein the inner ring (23) is arranged in the middle of the outer ring (21), the connecting hole (24) is arranged in the middle of the inner ring (23), the connecting hole (24) penetrates through the inner ring (23), and the groove (22) is formed in the outer side of the inner ring (23) and the inner side of the outer ring (21).

2. A copper pipe pier head mold according to claim 1, wherein: the clamping pieces (6) are arranged in two, the two clamping pieces (6) are symmetrically distributed on the base (1), protruding rings (8) are arranged on the inner side walls of the clamping pieces (6), the two protruding rings (8) are arranged in two, and the two protruding rings (8) are vertically distributed on the inner side walls of the clamping pieces (6).

3. A copper pipe pier head mold according to claim 1, wherein: the middle part of the inner sleeve mold (2) is provided with a protruding seat (3), the protruding seat (3) is of an annular structure, and the inside of the protruding seat (3) is in conductive connection with the inner sleeve mold (2).

4. A copper pipe pier head mold according to claim 3, wherein: the extrusion device is characterized in that an extrusion device (4) is arranged above the boss (3) and above the inner sleeve die (2), a radial hydraulic rod (5) is arranged at the upper end of the extrusion device (4), the extrusion device (4) comprises an extrusion seat (41), an outer sleeve (42), an extrusion column (43) and a connecting groove (44), the extrusion column (43) is arranged at the lower end of the extrusion seat (41), an outer sleeve (42) is arranged at the outer side of the extrusion column (43) and at the lower end of the extrusion seat (41), and a connecting groove (44) is arranged at the inner side of the outer sleeve (42) and at the outer side of the extrusion column (43).

5. A copper pipe pier head mold according to claim 4, wherein: the width of the connecting groove (44) is consistent with the thickness of the inner ring (23).

6. A copper pipe pier head mold according to claim 4, wherein: the thickness of the outer sleeve (42) is less than the width of the groove (22).

7. A copper pipe pier head mold according to claim 1, wherein: one end of the axial hydraulic rod (7) is connected with the outer wall of the clamping piece (6), and the other end of the axial hydraulic rod (7) is connected with external hydraulic equipment.

8. A copper pipe pier head mold according to claim 4, wherein: the lower end of the radial hydraulic rod (5) is rotationally connected with the extrusion seat (41), and the upper end of the radial hydraulic rod (5) is connected with external hydraulic equipment.