CN214442735U

CN214442735U - Hot forging device

Info

Publication number: CN214442735U
Application number: CN202120014123.6U
Authority: CN
Inventors: 季滔
Original assignee: NINGBO YONGXIANG COPPER PIPELINE CO Ltd
Current assignee: NINGBO YONGXIANG COPPER PIPELINE CO Ltd
Priority date: 2021-01-05
Filing date: 2021-01-05
Publication date: 2021-10-22
Anticipated expiration: 2031-01-05

Abstract

The utility model relates to a hot forging device, which comprises an upper die, a lower die, an upper die frame and a lower die frame, wherein the upper die is arranged on the upper die frame in a splicing way, the upper die frame is fixed below an upper top plate, and the upper top plate is fixed below a die handle; the lower die is fixed on the lower die frame, and the lower die frame is fixed on the lower base plate through bolts; the upper die frame is connected with the lower die frame in a guide pillar and guide sleeve mode, and the upper die is provided with a material ejecting assembly for completing product demoulding; the utility model has the advantages that: 1. the material ejecting assembly is arranged on the upper die, so that a product adsorbed on the upper die after stamping can be simply and quickly demoulded; 2. the upper die and the upper die frame are matched and fixed in an inserting mode, the die is very convenient to mount, and the lower die is fixed by bolts and is very convenient to mount and dismount; 3. the upper die frame and the lower die frame are connected in a matched mode through a guide pillar and guide sleeve structure, and the consistency of the upper die and the lower die can be guaranteed.

Description

Hot forging device

Technical Field

The utility model belongs to the technical field of the processing equipment, especially, relate to a hot forging device for processing three-way valve of small dimension, elbow.

Background

The common hot forging process is divided into two types, namely a mold opening (half mold) and a spring mold, wherein the mold opening is mainly used for machining tee joints, elbows, irregular-shaped valve bodies and pipe fittings and can meet the requirements of most products, but the machining efficiency is not high and the machining requirement is high; the spring die is mainly used for joints, valve covers, nuts and the like with simple structures, the production efficiency is high, and the structural limitation of products is strong; the demand is large for valve body and pipe fitting products such as tee joints, elbows and the like, especially for valve body and pipe fitting products with small specifications, so that the production demand is difficult to meet by opening the die; and because of the structural design of the existing mould, the mould is inconvenient to assemble and disassemble, and the demoulding is also very inconvenient, and the mould is usually demoulded manually.

Disclosure of Invention

An object of the utility model is to overcome the not enough of prior art existence, and provide a simple structure, die-filling and form-removing convenience, the simple swift hot forging device of drawing of patterns.

The utility model aims at solving the technical scheme that the hot forging device comprises an upper die, a lower die, an upper die frame and a lower die frame, wherein the upper die is arranged on the upper die frame in a splicing way, the upper die frame is fixed below an upper top plate, and the upper top plate is fixed below a die handle; the lower die is fixed on the lower die frame, and the lower die frame is fixed on the lower base plate through bolts; the upper die frame is connected with the lower die frame in a guide pillar and guide sleeve mode, and the upper die is provided with a material ejecting assembly used for completing product demoulding.

Preferably, the two sides of the upper die are provided with protruding strips, the upper die frame is provided with grooves corresponding to the protruding strips, the upper die is fixed on the upper die frame through the cooperation of the protruding strips and the grooves, and the lower end face of the upper die protrudes out of the lower end face of the upper die frame.

Preferably, the upper end surface of the lower die protrudes out of the upper end surface of the lower die frame, and the upper end surface of the lower die and the lower end surface of the upper die are distributed oppositely.

Preferably, guide sleeves are arranged at four corners of the upper die frame, guide pillars are arranged at four corners of the lower die frame corresponding to the guide sleeves, and the guide pillars are matched with and inserted into the guide sleeves.

Preferably, the liftout subassembly is including beating stick, thimble and spring, beat the stick and install on the sliding hole that is equipped with in the die shank, the thimble passes the through-hole that the roof was equipped with and installs on the interlude hole that is equipped with in the upper die, the spring housing be in on the thimble and spacing be in go up between the upper end of mould and the tail end of thimble to make the tail end of thimble with beat the stick and offset.

Preferably, the number of the ejector pins is at least two, and when the ejector assembly does not move, the head ends of the ejector pins are flush with the lower end face of the upper die.

Preferably, the cross section of the beating rod is of a T-shaped structure, and the cross section of the sliding hole corresponding to the beating rod is of a T-shaped structure.

The utility model has the advantages that: 1. the material ejecting assembly is arranged on the upper die, so that a product adsorbed on the upper die after stamping can be simply and quickly demoulded; 2. the upper die and the upper die frame are matched and fixed in an inserting mode, the die is very convenient to mount, and the lower die is fixed by bolts and is very convenient to mount and dismount; 3. the upper die frame and the lower die frame are connected in a matched mode through a guide pillar and guide sleeve structure, and the consistency of the upper die and the lower die can be guaranteed.

Drawings

Fig. 1 is a schematic front sectional view of a hot forging apparatus according to the present invention.

Fig. 2 is a schematic view of the structure of the upper mold of the present invention on the upper mold frame.

Fig. 3 is a schematic top view of the lower mold of the present invention on the lower mold frame.

The reference numbers in the drawings are respectively: 1. an upper die; 2. a lower die; 3. feeding a mold frame; 4. a lower die frame; 5. an upper top plate; 6. a die shank; 7. a lower base plate; 8. a material ejecting component; 11. a convex strip; 12. inserting holes; 31. a groove; 32. a guide sleeve; 41. a guide post; 51. a through hole; 61. a slide hole; 81. beating the rod; 82. a thimble; 83. a spring.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings: as shown in the attached drawings 1 to 3, the utility model comprises an upper die 1, a lower die 2, an upper die frame 3 and a lower die frame 4, wherein the upper die 1 is arranged on the upper die frame 3 in a splicing way, so that the die is very convenient to be installed, the upper die frame 3 is fixed below an upper top plate 5, the upper top plate 5 is fixed below a die shank 6, the die shank 6 is driven by a punch to move downwards, and the upper die 1 and the lower die 2 are pressed together; the lower die 2 is fixed on the lower die frame 4, and the lower die frame 4 is fixed on the lower bottom plate 7 through bolts, so that the lower die frame is very convenient to assemble and disassemble; the upper die frame 3 and the lower die frame 4 are connected in a guide pillar and guide sleeve mode, so that the consistency of the upper die and the lower die in the motion process can be ensured; and go up mould 1 and be equipped with the liftout subassembly 8 that is used for accomplishing the product drawing of patterns for the product drawing of patterns after the punching press that adsorbs on last mould 1 is simple swift. Through foretell structure setting, perfect solution the problem that the production efficiency is low of valve body, pipe fitting class products such as small dimension tee bend, elbow to have convenient operation, advantage that production efficiency is high.

In order to facilitate the installation and the disassembly of the upper die on the upper die frame, the two sides of the upper die 1 are provided with convex strips 11, the upper die frame 3 corresponding to the convex strips 11 is internally provided with a groove 31, the upper die 1 is fixed on the upper die frame 3 through the matching of the convex strips 11 and the grooves 31, the lower end surface of the upper die 1 protrudes out of the lower end surface of the upper die frame 3, the upper end surface of the lower die 2 protrudes out of the upper end surface of the lower die frame 4, and the upper end surface of the lower die 2 and the lower end surface of the upper die 1 are distributed oppositely; therefore, the upper die and the lower die are better in tightness during die assembly.

Guide sleeves 32 are arranged at four corners of the upper die frame 3, guide pillars 41 are arranged at four corners of the lower die frame 4 corresponding to the guide sleeves 32, and the guide pillars 41 are matched with and inserted into the guide sleeves 32, so that the consistency of the upper die and the lower die in the motion process can be ensured.

The ejector assembly 8 comprises a striking rod 81, an ejector pin 82 and a spring 83, the striking rod 81 is installed on a sliding hole 61 arranged in the die shank 6 and slides up and down, the ejector pin 82 penetrates through a through hole 51 arranged in the upper top plate 5 and is installed on a through hole 12 arranged in the upper die 1, the spring 83 is sleeved on the ejector pin 82 and limited between the upper end of the upper die 1 and the tail end of the ejector pin 82, and the tail end of the ejector pin 82 is abutted against the striking rod 81; when the upper die and the lower die are closed, the ejector pin 82 passes through the tension of the spring 83, the head end of the ejector pin 82 is flush with the lower end surface of the upper die 1 at the moment, and the ejector component 8 does not move; when the upper die and the lower die are separated, a product adsorbed on the upper die 1 pushes the hitting rod 81 through the driving force of the air cylinder, the hitting rod 81 pushes the ejector pin 82 to move downwards, the spring is in a compressed state, the product is separated from the upper die 1, then the air cylinder retracts, and the head end of the ejector pin 82 is flush with the lower end face of the upper die 1 through the resetting of the spring 83.

At least two ejector pins 82 are arranged, so that the product adsorbed in the upper die 1 is stressed more uniformly in the falling process, and the falling of the product can be ensured; when the ejector assembly 8 is not moved, the head end of the ejector pin 82 is flush with the lower end surface of the upper die 1.

The cross section of the beating rod 81 is of a T-shaped structure, and the cross section of the sliding hole 61 corresponding to the beating rod is of a T-shaped structure; this allows the knock-out pin 81 to be retained within the slide opening 61.

The present invention is not limited to the above embodiments, and any change is made on the shape or material composition, and all the structural designs provided by the present invention are all the deformation of the present invention, which should be considered within the protection scope of the present invention.

Claims

1. The utility model provides a hot forging device, includes mould (1), lower mould (2), goes up die carrier (3) and lower die carrier (4), its characterized in that: the upper die (1) is installed on the upper die frame (3) in an inserting mode, the upper die frame (3) is fixed below an upper top plate (5), and the upper top plate (5) is fixed below a die handle (6); the lower die (2) is fixed on the lower die frame (4), and the lower die frame (4) is fixed on the lower bottom plate (7) through bolts; the upper die frame (3) is connected with the lower die frame (4) in a guide pillar and guide sleeve mode, and the upper die (1) is provided with a material ejecting assembly (8) used for completing product demoulding.

2. The hot forging apparatus as claimed in claim 1, wherein: go up the both sides of mould (1) and all be equipped with sand grip (11), with sand grip (11) are corresponding go up and be equipped with recess (31) in die carrier (3), through sand grip (11) with the cooperation of recess (31) makes and goes up mould (1) and fix go up on die carrier (3), just go up the lower terminal surface protrusion of mould (1) in go up the lower terminal surface of die carrier (3).

3. The hot forging apparatus as recited in claim 2, wherein: the upper end face of the lower die (2) protrudes out of the upper end face of the lower die frame (4), and the upper end face of the lower die (2) and the lower end face of the upper die (1) are distributed oppositely.

4. The hot forging apparatus as claimed in claim 1, wherein: guide sleeves (32) are arranged at four corners of the upper die carrier (3), guide pillars (41) are arranged at four corners of the lower die carrier (4) corresponding to the guide sleeves (32), and the guide pillars (41) are matched and inserted with the guide sleeves (32).

5. The hot forging apparatus as claimed in claim 1, wherein: liftout subassembly (8) are including beating stick (81), thimble (82) and spring (83), beat stick (81) and install on sliding hole (61) that are equipped with in die shank (6), thimble (82) pass through-hole (51) that upper plate (5) were equipped with and install on punch through hole (12) that are equipped with in last mould (1), spring (83) cover is in on thimble (82) and spacing be in go up between the upper end of mould (1) and the tail end of thimble (82) to make the tail end of thimble (82) with it is inconsistent to beat stick (81).

6. The hot forging apparatus as recited in claim 5, wherein: the number of the ejector pins (82) is at least two, and when the ejector assembly (8) does not move, the head ends of the ejector pins (82) are flush with the lower end face of the upper die (1).

7. The hot forging apparatus as recited in claim 5, wherein: the cross section of the beating rod (81) is of a T-shaped structure, and the cross section of the sliding hole (61) corresponding to the beating rod is of a T-shaped structure.