CN213317173U

CN213317173U - Mould for reducing core-pulling resistance of bent pipe

Info

Publication number: CN213317173U
Application number: CN202020895119.0U
Authority: CN
Inventors: 陈余祥
Original assignee: Ningbo Rongrui Metal Products Co ltd
Current assignee: Ningbo Rongrui Metal Products Co ltd
Priority date: 2020-05-25
Filing date: 2020-05-25
Publication date: 2021-06-01
Anticipated expiration: 2030-05-25

Abstract

The utility model discloses a reduce mould of return bend resistance of loosing core, including the die body of loosing core, loose core die body rear end fixed mounting has external box, loose core die body front and back both ends center department fixed mounting has the core box of loosing core, loose core die body upper end and left end edge fixed mounting have first connector, loose core die body lower extreme and right-hand member edge fixed mounting have the second connector, first connector outer wall fixed mounting has first electric telescoping device, second electric telescoping device and third electric telescoping device. This reduce mould of return bend resistance of loosing core through the setting of six electric telescoping devices and two extrusion pieces, has realized the return bend in the inseparable fixed of the inslot portion of loosing core, through the setting of lubricating layer, has realized the minimizing of the body friction of loosing core when making the core body of loosing core and lubricating layer inner wall have certain frictional force to make the body of loosing core loose core slow down to a certain extent, reduced the resistance when the return bend is loosed core, do benefit to the return bend and take out smoothly.

Description

Mould for reducing core-pulling resistance of bent pipe

Technical Field

The utility model relates to a return bend technical field of loosing core specifically is a mould that reduces return bend resistance of loosing core.

Background

The mould is a mould and a tool for obtaining a required product by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production, in short, the mould is a tool for manufacturing a formed article, the tool is composed of various parts, different moulds are composed of different parts, the processing of the appearance of the article is realized mainly by changing the physical state of the formed material, and the mould is called as an 'industrial mother'.

The bend pipe process is often used in production and life, aims to bend a pipe into a specific shape to meet requirements, and needs core pulling work of a mold in the bend pipe forming process.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a reduce mould of return bend resistance of loosing core to current loose core mould that proposes in solving above-mentioned background art looses core the in-process at the return bend, because the return bend is fixed not firm and loose core mould sliding effect is not good can produce certain resistance to the return bend, influences the problem of the effect of loosing core.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a reduce mould of return bend resistance of loosing core, includes the die body of loosing core, loose core die body rear end fixed mounting has external box, loose core die body front and back both ends center department fixed mounting has the core box of loosing core, loose core die body upper end and left end edge fixed mounting have first connector, loose core die body lower extreme and right-hand member edge fixed mounting have the second connector, first connector outer wall fixed mounting has first electric telescoping device, second electric telescoping device and third electric telescoping device.

Preferably, a fourth electric telescopic device, a fifth electric telescopic device and a sixth electric telescopic device are fixedly mounted on the outer wall of the second connecting body, a core pulling groove is fixedly formed in the center of the core pulling die body, and the core pulling groove and the core pulling box are of a circular ring structure integrally.

Preferably, a first extrusion layer and a second extrusion layer are movably arranged inside the core-pulling die body, the first extrusion layer and the upper end of the core-pulling groove are located on the same plane, the second extrusion layer and the lower end of the core-pulling groove are located on the same plane, and a core-pulling body is movably arranged inside the core-pulling groove.

Preferably, the outer wall of the first extrusion layer is fixedly provided with a first pressing block, a second pressing block and a third pressing block, the upper end of the first pressing block is fixedly provided with a first electric telescopic body, the upper end of the second pressing block is fixedly provided with a second electric telescopic body, and the left end of the third pressing block is fixedly provided with a third electric telescopic body.

Preferably, a fourth pressing block, a fifth pressing block and a sixth pressing block are fixedly mounted at the lower end of the second extrusion layer, a fourth electric telescopic body is fixedly mounted at the lower end of the fourth pressing block, a fifth electric telescopic body is fixedly mounted at the lower end of the fifth pressing block, and a sixth electric telescopic body is fixedly mounted at the right end of the sixth pressing block.

Preferably, the right-hand member fixed mounting of box of loosing core has the connecting block, connecting block upper end fixed mounting has flexible post, flexible post upper end fixed mounting has telescopic cylinder, the inside fixed mounting of box of loosing core has the lubricating layer, the lubricating layer cross-section is circular structure, the lubricating layer inner wall laminates with the outer wall of loosing core each other.

Compared with the prior art, the beneficial effects of the utility model are that:

1. according to the mould for reducing the core pulling resistance of the elbow, the elbow is tightly fixed in the core pulling groove through the arrangement of the six electric telescopic devices and the two extrusion blocks, the phenomenon that the core pulling effect is influenced by certain resistance due to slight movement of the elbow during core pulling operation is avoided, and the friction force of the core pulling body is minimized while the core pulling body and the inner wall of the lubricating layer have certain friction force through the arrangement of the lubricating layer, so that the core pulling speed of the core pulling body is reduced to a certain extent, the resistance of the elbow during core pulling is reduced, and the elbow can be smoothly pulled out;

2. according to the mould for reducing the core pulling resistance of the elbow, through the arrangement of the external connection box and the arrangement that the fourth electric telescopic body, the fifth electric telescopic body and the sixth electric telescopic body are all in a Z-shaped structure, the moving effect of the fourth pressing block, the fifth pressing block and the sixth pressing block is realized, the mould is beneficial to extruding and fixing a to-be-pulled part, and therefore the core pulling resistance of the elbow is reduced;

3. this reduce mould of return bend resistance of loosing core is centrosymmetric distribution's setting through six electric telescoping device and extrusion layer, has improved overall structure's stability, and then makes the operation of loosing core go on more steadily, through the setting of six briquettings, has realized the fixed effect of dispersion, treats the mould of loosing core from different angles and has fixed, and fixed effect is better, and this mould is easily used, and the drag reduction effect is better, has certain spreading value.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic structural view of the first press block of the present invention;

FIG. 3 is a schematic structural view of a fourth press block of the present invention;

FIG. 4 is a schematic view of the structure of the telescopic cylinder of the present invention;

fig. 5 is a schematic view of the structure of the lubricating layer of the present invention.

In the figure: 1. a core-pulling die body; 2. an external box; 3. drawing a core box; 4. a first connecting body; 5. a second connector; 6. a first electric telescopic device; 7. a second electric telescopic device; 8. a third electric telescopic device; 9. a fourth electric telescopic device; 10. a fifth electric telescopic device; 11. a sixth electric telescopic device; 12. a core drawing groove; 13. Drawing the core body; 14. a first extrusion layer; 15. a second extrusion layer; 16. a first pressing block; 17. a second pressing block; 18. a third pressing block; 19. a first electrostrictive body; 20. a second electrostrictive body; 21. a third electrostrictive body; 22. a fourth briquetting; 23. fifth briquetting; 24. a sixth briquetting; 25. a fourth electrostrictive body; 26. A fifth electrostrictive body; 27. a sixth electrostrictive body; 28. connecting blocks; 29. a telescopic column; 30. a telescopic cylinder; 31. and a lubricating layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a reduce mould of return bend resistance of loosing core, includes the die body of loosing

core

1, 1 rear end fixed mounting of die body of loosing core has external box 2, and both ends center department fixed mounting has the core-pulling box 3 around the die body of loosing

core

1, and 1 upper end of die body of loosing core and left end edge fixed mounting have

first connector

4, and 1 lower extreme of die body of loosing core and right-hand member edge fixed mounting have second connector 5, and 4 outer wall fixed mounting of first connector have first electric telescoping device 6, second electric telescoping device 7 and third electric telescoping device 8.

Further, 5 outer walls of the second connecting body are fixedly provided with a fourth electric telescopic device 9, a fifth electric telescopic device 10 and a sixth electric telescopic device 11, a core pulling groove 12 is fixedly formed in the central position of the core pulling die body 1, the core pulling groove 12 and the core pulling box 3 are integrally of a circular ring body structure, the core pulling groove 12 is located in the central position of the core pulling die body 1, stability in the core pulling process is improved, and resistance is reduced in the core pulling process.

Furthermore, a first extrusion layer 14 and a second extrusion layer 15 are movably arranged inside the core pulling die body 1, the first extrusion layer 14 and the upper end of the core pulling groove 12 are located on the same plane, the second extrusion layer 15 and the lower end of the core pulling groove 12 are located on the same plane, the core pulling body 13 is movably arranged inside the core pulling groove 12, the two extrusion layers are respectively divided into three parts, the multi-angle fixation of the core pulling body to be treated is achieved, and the fixation effect is good.

Further, the outer wall of the first extrusion layer 14 is fixedly provided with a first pressing block 16, a second pressing block 17 and a third pressing block 18, the upper end of the first pressing block 16 is fixedly provided with a first electric telescopic body 19, the upper end of the second pressing block 17 is fixedly provided with a second electric telescopic body 20, the left end of the third pressing block 18 is fixedly provided with a third electric telescopic body 21, the first electric telescopic body 19, the second electric telescopic body 20 and the third electric telescopic body 21 are respectively connected with the first electric telescopic device 6, the second electric telescopic device 7 and the third electric telescopic device 8, the movable extrusion effect of the first extrusion layer 14 is achieved, the fixing of the piece to be subjected to core pulling is facilitated, and the stability of the piece to be subjected to core pulling during core pulling operation is improved.

Further, a fourth pressing block 22, a fifth pressing block 23 and a sixth pressing block 24 are fixedly mounted at the lower end of the second extrusion layer 15, a fourth electric telescopic body 25 is fixedly mounted at the lower end of the fourth pressing block 22, a fifth electric telescopic body 26 is fixedly mounted at the lower end of the fifth pressing block 23, a sixth electric telescopic body 27 is fixedly mounted at the right end of the sixth pressing block 24, the fourth electric telescopic body 25, the fifth electric telescopic body 26 and the sixth electric telescopic body 27 are all in a Z-shaped structure, and half parts of the fourth electric telescopic body, the fifth electric telescopic body and the sixth electric telescopic body are located inside the external box 2, so that the three electric telescopic bodies are respectively connected with the fourth electric telescopic device 9, the fifth electric telescopic device 10 and the sixth electric telescopic device 11, the second extrusion layer 15 is favorable for fixing the core pulling piece from multiple angles, and resistance of the elbow during core pulling is reduced.

Further, 3 right-hand members fixed mounting of box of loosing core have connecting

block

28, 28 upper ends fixed mounting of connecting block has

flexible post

29, 29 upper ends fixed mounting of flexible post has

telescopic cylinder

30, 3 inside fixed mounting of box of loosing core have lubricating layer 31, the lubricating layer 31 cross-section is circular structure, the lubricating layer 31 inner wall is laminated with the body 13 outer wall of loosing core each other, the setting of lubricating layer 31 provides certain frictional force for the body 13 of loosing core, the moving speed of the body 13 of loosing core has been slowed down to a certain extent, make the frictional force minimizing of the body 13 of loosing core simultaneously, and then the resistance of loosing core has been reduced.

The working principle is as follows: firstly, six electric telescopic devices are started in sequence, so that a first extrusion layer 14 and a second extrusion layer 15 move towards the direction of the outer wall of a to-be-pulled core, two extrusion layers are tightly attached to the outer wall of the to-be-pulled core, a certain extrusion effect is generated, a telescopic cylinder 30 is started, a telescopic column 29 moves upwards, a core-pulling body 13 moves along the direction of the inner wall of a lubricating layer 31 and the inside of a core-pulling box 3 in a shrinkage mode, the core-pulling body 13 completely enters the core-pulling box 3, the core-pulling work can be completed, the telescopic cylinder 30 is closed, the six electric telescopic devices are started again, the two extrusion layers shrink towards the inside of a core-pulling mould body 1, and the mould.

It should be finally noted that the above only serves to illustrate the technical solution of the present invention, and not to limit the scope of the present invention, and that simple modifications or equivalent replacements performed by those skilled in the art to the technical solution of the present invention do not depart from the spirit and scope of the technical solution of the present invention.

Claims

1. The utility model provides a reduce mould of return bend resistance of loosing core, includes loose core die body (1), its characterized in that: the core pulling die body (1) is characterized in that an external box (2) is fixedly mounted at the rear end of the core pulling die body (1), a core pulling box (3) is fixedly mounted at the center of the front end and the rear end of the core pulling die body (1), a first connecting body (4) is fixedly mounted at the upper end of the core pulling die body (1) and the edge of the left end of the core pulling die body, a second connecting body (5) is fixedly mounted at the lower end of the core pulling die body (1) and the edge of the right end of the core pulling die body, and a first electric telescopic device (6), a second electric telescopic device (7) and.

2. The mold for reducing core pulling resistance of the elbow according to claim 1, wherein: the core drawing die is characterized in that a fourth electric telescopic device (9), a fifth electric telescopic device (10) and a sixth electric telescopic device (11) are fixedly mounted on the outer wall of the second connecting body (5), a core drawing groove (12) is fixedly formed in the center of the core drawing die body (1), and the core drawing groove (12) and the core drawing die body (3) are of a ring body structure integrally.

3. The mold for reducing core pulling resistance of the elbow according to claim 2, characterized in that: the core pulling die body (1) is internally and movably provided with a first extrusion layer (14) and a second extrusion layer (15), the first extrusion layer (14) and the upper end of the core pulling groove (12) are located on the same plane, the second extrusion layer (15) and the lower end of the core pulling groove (12) are located on the same plane, and the core pulling body (13) is movably arranged in the core pulling groove (12).

4. The mold for reducing core pulling resistance of the elbow according to claim 3, wherein: first extrusion layer (14) outer wall fixed mounting has first briquetting (16), second briquetting (17) and third briquetting (18), first briquetting (16) upper end fixed mounting has first electric telescopic body (19), second briquetting (17) upper end fixed mounting has second electric telescopic body (20), third briquetting (18) left end fixed mounting has third electric telescopic body (21).

5. The mold for reducing core pulling resistance of the elbow according to claim 3, wherein: the second extrusion layer (15) lower extreme fixed mounting has fourth briquetting (22), fifth briquetting (23) and sixth briquetting (24), fourth briquetting (22) lower extreme fixed mounting has the fourth electrostrictive body (25), fifth briquetting (23) lower extreme fixed mounting has the fifth electrostrictive body (26), sixth briquetting (24) right-hand member fixed mounting has the sixth electrostrictive body (27).

6. The mold for reducing core pulling resistance of the elbow according to claim 1, wherein: the core-pulling box is characterized in that a connecting block (28) is fixedly mounted at the right end of the core-pulling box (3), a telescopic column (29) is fixedly mounted at the upper end of the connecting block (28), a telescopic cylinder (30) is fixedly mounted at the upper end of the telescopic column (29), a lubricating layer (31) is fixedly mounted inside the core-pulling box (3), the cross section of the lubricating layer (31) is of a circular structure, and the inner wall of the lubricating layer (31) and the outer wall of the core-pulling body (13) are mutually attached.