CN218638486U

CN218638486U - Forging die for improving material utilization rate of piston forging

Info

Publication number: CN218638486U
Application number: CN202223179682.6U
Authority: CN
Inventors: 何振波
Original assignee: Hang Qiao New Material Technology Binzhou Co ltd
Current assignee: Hang Qiao New Material Technology Binzhou Co ltd
Priority date: 2022-11-28
Filing date: 2022-11-28
Publication date: 2023-03-17
Anticipated expiration: 2032-11-28

Abstract

The utility model discloses a promote piston forging material utilization's forging mould, the utility model relates to a forging mould technical field. This promote forging mould of piston forging material utilization ratio, including the mould body, mould body inner wall top intercommunication is provided with the stand pipe, mould body inner wall has from top to bottom set gradually first vertical section, first slope section, second vertical section, second slope section and third vertical section, mould body internal diameter increases from first vertical section to third vertical section in proper order, stand pipe tip joint has supplementary drawing of patterns subassembly, utilizes sectional type drawing of patterns face and the flat face of sectional type, when both guaranteeing that the shaping is good, guarantees equally that the piston is easy at the ejecting time demolding of ejector pin down, has still improved the utilization ratio of material, slows down subsequent processing, has improved the production efficiency of follow-up machining process, has reduced personnel's intensity of labour, and the life of lathe tool is prolonged relatively.

Description

Forging die for improving material utilization rate of piston forging

Technical Field

The utility model relates to a forge mould technical field, specifically be a promote piston forging material utilization's forging mould.

Background

The piston skirt blank is easy for guaranteeing the demolding, and 2 draft inclination are add to the piston skirt excircle, and the drawing angle is big more do benefit to the demolding, but the drawing angle is big more and correspond the forging yield lower more, and because of customer requirement piston skirt blank excircle needs to carry out machining again, piston skirt outside drawing angle is big more, and the processingquantity just is big more, and forging weight is heavy and process time is long.

SUMMERY OF THE UTILITY MODEL

The not enough to prior art, the utility model provides a promote piston forging material utilization's forging mould has solved the great problem that leads to the finished product work load of current piston mould draft.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a promote piston forging material utilization's forging mould, includes the mould body, mould body inner wall top intercommunication is provided with the stand pipe, the mould body inner wall has from top to bottom set gradually first vertical section, first slope section, second vertical section, second slope section and third vertical section, mould body internal diameter increases from first vertical section to third vertical section in proper order, stand pipe tip joint has supplementary drawing of patterns subassembly.

Preferably, the first inclined section and the second inclined section have an inclination of 0.7 °, and the first vertical section, the second vertical section and the third vertical section have an inclination of 0.

Preferably, the second inclined section is longer in length than the first inclined section.

Preferably, the top of the guide pipe is provided with two symmetrically arranged clamping grooves, the side wall of the guide pipe is provided with two obliquely arranged sliding grooves, and the guide pipe is clamped with the auxiliary demoulding assembly through the clamping grooves and the sliding grooves.

Preferably, the auxiliary demoulding assembly comprises a mounting ring, a clamping block fixedly mounted on the side wall of the mounting ring and a top barrel slidably inserted into the mounting ring, the clamping block is clamped in the clamping groove, the top barrel is sleeved with a spring, two ends of the spring abut against the side wall of the top barrel and the top of the mounting ring respectively, and a sliding rod inserted into the sliding groove is fixed on the side wall of the top barrel.

Preferably, a plurality of ejector blocks are fixed at the end part of the ejector sleeve close to the die body, and the ejector blocks are arranged in a conical shape.

Advantageous effects

The utility model provides a promote piston forging material utilization's forging mould. Compared with the prior art, the method has the following beneficial effects:

(1) This promote piston forging material utilization's forging mould, when carrying out the piston and forging, utilize the flat face of sectional type die drawing face and sectional type, when both guaranteeing that the shaping is good, guarantee equally that the piston is ejecting down the ejector pin the demolding easy, still improved the utilization ratio of material, slow down subsequent processing, improved the production efficiency of follow-up machining process, reduced personnel's intensity of labour, the life of lathe tool is prolonged relatively.

(2) This promote piston forging material utilization's forging mould, through setting up supplementary drawing of patterns subassembly, when the user inserts the outside top of ejector pin through the stand pipe and moves the piston, the ejector pin can drive the kicking cylinder and be close to the piston, the slide bar makes the kicking cylinder produce the rotation in the inside slip of spout this moment, can push up behind the piston tip when the kicking block, the pivoted kicking cylinder drives the kicking block card and rotates at the piston tip, also can rotate when making this piston break away from the mould, make the piston break away from the mould body fast.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of the mold body of the present invention;

FIG. 3 is a schematic structural view of the demolding assembly of the present invention;

fig. 4 is a schematic view of the sectional structure of the die body of the present invention.

In the figure: 1. a mold body; 11. a first vertical section; 12. a first inclined section; 13. a second vertical section; 14. a second inclined section; 15. a third vertical segment; 2. a guide tube; 21. a card slot; 22. a chute; 3. an auxiliary stripper assembly; 31. a mounting ring; 32. a clamping block; 33. a top cylinder; 34. a spring; 35. a slide bar; 36. and (7) a top block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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. 1-4, the present invention provides a technical solution: the utility model provides a promote piston forging material utilization's forging mould, including mould body 1, 1 inner wall top intercommunication of mould body is provided with stand pipe 2, the user of service can insert the plunger 2 inside piston tops of accomplishing of stand pipe away, 1 inner wall of mould body from top to bottom has set gradually first vertical section 11, first slope section 12, second vertical section 13, second slope section 14 and third vertical section 15, 1 internal diameter of mould body increases from first vertical section 11 to third vertical section 15 in proper order, 2 tip joints of stand pipe have supplementary drawing of patterns subassembly 3.

The first inclined section 12 and the second inclined section 14 are both 0.7 in inclination, the first vertical section 11, the second vertical section 13 and the third vertical section 15 are 0 in inclination, the sectional type design can ensure that the mold can ensure good forming of the piston forging piece, the mold stripping can be easily ensured, the utilization rate of materials is greatly improved, the labor intensity of subsequent procedures is reduced, and the production efficiency is improved.

To facilitate demolding of the cast piston, the second angled section 14 is longer than the first angled section 12.

The top of the guide pipe 2 is provided with two symmetrically arranged clamping grooves 21, the side wall of the guide pipe 2 is provided with two obliquely arranged sliding grooves 22, the guide pipe 2 is connected with the auxiliary demoulding assembly 3 in a clamping mode through the clamping grooves 21 and the sliding grooves 22, and the clamping grooves 21 are used for preventing the auxiliary demoulding assembly 3 from rotating in the working process.

Supplementary drawing of patterns subassembly 3 includes collar 31, fixed mounting is at the fixture block 32 of collar 31 lateral wall and the top cylinder 33 of slip grafting in collar 31 inside, fixture block 32 joint is inside draw-in groove 21, the cover is equipped with spring 34 and spring 34 both ends respectively the butt at top cylinder 33 lateral wall and collar 31 top on top cylinder 33, top cylinder 33 lateral wall is fixed with the slide bar 35 of pegging graft in spout 22 inside, when the user pushes up top cylinder 33 through external device and goes into mould body 1 inside, slide bar 35 can slide in spout 22 is inside, then slide bar 35 drives top cylinder 33 and rotates, top cylinder 33 also can drive the piston rotation when outwards ejecting piston, with this help piston drawing of patterns fast.

A plurality of ejector blocks 36 are fixed at the end part of the top cylinder 33 close to the die body 1, the ejector blocks 36 are arranged in a conical shape, the ejector blocks 36 abut against the end part of the piston along with the top cylinder 33, the ejector blocks 36 can increase the friction force between the top cylinder 33 and the piston, and the ejector blocks 36 arranged in the conical shape can be quickly separated from the piston.

And those not described in detail in this specification are well within the skill of those in the art.

During operation, the user places raw materials in the die body 1 and uses the die body 1 as a lower die, then the upper die adopts a general plane die, the upper die is communicated with the power device and then presses the raw materials down inside the die body 1, the raw materials are attached to the inner wall of the die body 1 in shape, after the forging is finished, the ejection cylinder 33 is ejected through an external device to be inserted into the die body 1, then the sliding rod 35 slides in the sliding groove 22 to drive the ejection cylinder 33 to rotate, the ejection block 36 at the end part of the ejection cylinder 33 abuts against the end part of the piston, the piston can be pushed outwards and can be slightly rotated by a certain angle, so that the piston is helped to rapidly demold, the good forming of the piston forging is ensured, the easy demolding is ensured, the utilization rate of the materials is greatly improved, the labor intensity of subsequent processes is reduced, the production efficiency is improved, a great pushing effect is achieved on the economical production of the piston forging, the application prospect is good, and the working principle of the forging die for improving the material utilization rate of the piston forging is realized.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a promote piston forging material utilization's forging mould, includes mould body (1), its characterized in that: mould body (1) inner wall top intercommunication is provided with stand pipe (2), mould body (1) inner wall has from top to bottom set gradually first vertical section (11), first slope section (12), second vertical section (13), second slope section (14) and third vertical section (15), mould body (1) internal diameter increases from first vertical section (11) to third vertical section (15) in proper order, stand pipe (2) tip joint has supplementary drawing of patterns subassembly (3).

2. The forging die for improving the material utilization rate of the piston forging according to claim 1, wherein: the inclinations of the first inclined section (12) and the second inclined section (14) are both 0.7 degrees, and the inclinations of the first vertical section (11), the second vertical section (13) and the third vertical section (15) are 0 degree.

3. The forging die for improving the material utilization rate of the piston forging as claimed in claim 2, wherein: the second inclined section (14) is longer than the first inclined section (12).

4. The forging die for improving the material utilization rate of the piston forging according to claim 3, wherein: draw-in groove (21) that two symmetries set up are seted up at stand pipe (2) top, spout (22) that two slopes set up are seted up to the lateral wall, stand pipe (2) are through draw-in groove (21) and spout (22) and supplementary drawing of patterns subassembly (3) joint.

5. The forging die for improving the material utilization rate of the piston forging according to claim 4, wherein: the auxiliary demolding assembly (3) comprises a mounting ring (31), a clamping block (32) fixedly mounted on the side wall of the mounting ring (31) and an ejector sleeve (33) inserted into the mounting ring (31) in a sliding mode, the clamping block (32) is clamped into the clamping groove (21), the ejector sleeve (33) is sleeved with a spring (34) and two ends of the spring (34) abut against the top of the side wall of the ejector sleeve (33) and the top of the mounting ring (31) respectively, and a sliding rod (35) inserted into the sliding groove (22) is fixed to the side wall of the ejector sleeve (33).

6. The forging die for improving the material utilization rate of the piston forging as claimed in claim 5, wherein: the end part of the top cylinder (33) close to the die body (1) is fixed with a plurality of top blocks (36), and the top blocks (36) are arranged in a conical shape.