CN216680045U

CN216680045U - Quick assembling and disassembling mechanism for die forging extrusion punch

Info

Publication number: CN216680045U
Application number: CN202123441258.XU
Authority: CN
Inventors: 王继月; 穆剑菲; 陈望; 刘志华; 彭东
Original assignee: SUZHOU KUNLUN HEAVY EQUIPMENT MANUFACTURING CO LTD
Current assignee: SUZHOU KUNLUN HEAVY EQUIPMENT MANUFACTURING CO LTD
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-06-07
Anticipated expiration: 2031-12-30

Abstract

The utility model relates to a quick loading and unloading mechanism for a die forging extrusion punch, which comprises a base plate fixedly welded at the top of the outer side of a lower die body of a die forging die and a support arranged at the outer side of the lower die body and parallel to the front and the back of the base plate, wherein the top surface of the base plate is flush with the top of the lower die body, a movable support platform in sliding fit with the base plate is arranged on the base plate, a flat punch is placed on the movable support platform, an air cylinder is fixedly arranged at the top of the support, and a piston rod of the air cylinder is fixedly connected with the movable support platform and can drive the movable support platform to perform reciprocating linear motion back and forth on the base plate. The quick assembling and disassembling mechanism for the die forging extrusion punch is simple in structure, capable of achieving quick assembling and disassembling of the extrusion punch, convenient to efficiently complete a die forging extrusion process, capable of improving machining efficiency, convenient to install and disassemble, capable of greatly saving manpower, and further capable of saving machining cost, simple and flexible to operate and high in safety factor.

Description

Quick assembling and disassembling mechanism for die forging extrusion punch

Technical Field

The utility model relates to an auxiliary dismounting device for a die forging extrusion punch, in particular to a quick dismounting mechanism for the die forging extrusion punch.

Background

Forging is a processing method which utilizes forging machinery to apply pressure on a metal blank to cause the metal blank to generate plastic deformation so as to obtain a forged piece with certain mechanical property, certain shape and certain size.

The forging can be divided into several processing modes of free forging, die forging, ring rolling and special forging, wherein the free forging and die forging are most widely applied. The free forging refers to a processing method of a forging piece which uses a simple universal tool or directly applies external force to a blank between an upper anvil and a lower anvil of a forging device to deform the blank to obtain a required geometric shape and internal quality, and is only suitable for processing the forging piece with a simpler structure.

However, two extrusion punches need to be used when closed forward extrusion and backward extrusion die forging are utilized, for small-sized workpieces, the extrusion punches are small in size and light in weight, and are convenient to install and disassemble, and for large-sized die forgings, the matched extrusion punches are large in size and heavy in weight, so that the installation and the disassembly are difficult, multiple operators are needed to cooperate to disassemble and assemble, manpower is consumed, and certain potential safety hazards exist during the installation and the disassembly of the punches.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a quick assembling and disassembling mechanism for a die forging extrusion punch, which can facilitate the quick assembling and disassembling of the extrusion punch in die forging processing so as to facilitate the efficient execution of a die forging extrusion process.

In order to solve the technical problems, the utility model is realized by the following technical scheme: the utility model provides a quick loading and unloading mechanism of die forging extrusion drift, including be used for solid welding at the backing plate at die forging mould lower mould body outside top and set up down the die body outside and with support side by side around the backing plate, the backing plate top surface flushes with lower die body top, is provided with on the backing plate rather than sliding fit's movable saddle, the flat drift has been placed on the movable saddle, the fixed cylinder that is provided with in support top, the piston rod and the movable saddle fixed connection of cylinder are in the same place, and it can drive the movable saddle and carry out reciprocating linear motion front and back on the backing plate.

Furthermore, the movable supporting platform comprises a bottom support with a horizontal top surface, a vertically arranged rear limiting vertical plate is fixedly welded at the position, close to the rear end, of the top surface of the bottom support, the piston rod is fixedly connected with the center of the back surface of the rear limiting vertical plate, and a sliding block in sliding fit with the top surface of the base plate is fixedly welded at the bottom surface of the bottom support.

Furthermore, two front check blocks are symmetrically arranged at two side parts of the top of the bottom support close to the front end; and rib plates are fixedly welded between the rear limiting vertical plates and the bottom support.

Furthermore, the slide block is provided with three blocks which are arranged at the bottom of the bottom support in a structure like a Chinese character 'pin'.

Furthermore, the piston rod and the rear limiting vertical plate are fixedly connected together through a connector; the connecting head comprises a connecting plate and a joint fixedly welded at the center of the outer end of the connecting plate, a connecting hole is formed in the center of the end face of the joint and is a threaded hole, and the end part of the piston rod is in threaded connection with the connecting hole.

Furthermore, a plurality of fixing holes which are communicated front and back are formed in the connecting plates, the rear limiting vertical plate is provided with connecting holes, the number and the positions of the connecting holes are the same as those of the fixing holes, and the fixing holes and the connecting holes which correspond to each other are fixedly connected together through bolts.

Furthermore, the bracket consists of a support column and a supporting plate fixedly welded at the top of the support column; the two support columns are arranged at the bottom of the supporting plate in parallel and close to the front end and the rear end; the top of the supporting plate is symmetrically provided with two flanges near the front end and the rear end, the cylinder is arranged between the front flange and the rear flange, and the front end and the rear end of the cylinder are fixedly connected with the front flange and the rear flange respectively.

Further, the cylinder and the flange are fixedly connected together through a bolt.

Furthermore, a bottom plate fixing plate is fixedly welded at the bottom of the supporting column, and a positioning hole which is communicated up and down is formed in the bottom plate fixing plate.

Furthermore, ribs which are obliquely arranged are welded between the bottom of the base plate and the lower die body.

Compared with the prior art, the utility model has the advantages that: the quick assembling and disassembling mechanism for the die forging extrusion punch is simple in structure, capable of achieving quick assembling and disassembling of the extrusion punch, convenient to efficiently complete a die forging extrusion process, capable of improving machining efficiency, convenient to install and disassemble, capable of greatly saving manpower, and further capable of saving machining cost, simple and flexible to operate and high in safety factor.

Drawings

The utility model is further described below with reference to the accompanying drawings.

FIG. 1 is a schematic side view of the rapid attachment and detachment mechanism for a swage extrusion punch according to the present invention;

FIG. 2 is a schematic rear end view of the rapid loading and unloading mechanism for the swage extrusion punch of the present invention;

FIG. 3 is a schematic perspective view of a movable saddle of the rapid loading and unloading mechanism for a die forging extrusion punch according to the present invention;

FIG. 4 is a schematic front view of a movable saddle in the rapid loading and unloading mechanism of a die forging extrusion punch according to the present invention;

FIG. 5 is a cross-sectional view of the structure A-A of FIG. 4;

FIG. 6 is a schematic view showing the structure of a bracket of the rapid assembling and disassembling mechanism for a die forging extrusion punch according to the present invention;

fig. 7 is a schematic structural view of a connecting head in the rapid assembling and disassembling mechanism for the die forging extrusion punch according to the present invention.

In the figure: 1. a backing plate; 11. ribs; 2. a movable saddle; 21. a bottom support; 22. a rear limiting vertical plate; 23. a slider; 24. a front stop block; 25. a rib plate; 3. a support; 31. a supporting base; 32. a pallet; 33. blocking edges; 34. a bottom plate fixing plate; 341. positioning holes; 4. a cylinder; 41. a piston rod; 5. a connector; 51. a connecting plate; 52. a joint; 521. connecting holes; 53. a fixing hole; 6. flattening the punch; 7. and (4) a lower die body.

Detailed Description

The utility model is described in detail below with reference to the following figures and embodiments:

fig. 1 and fig. 2 show a quick loading and unloading mechanism of die forging extrusion drift, including be used for solid welding under the die forging mould die body 7 outside top backing plate 1 and set up down the die body 7 outside and with backing plate 1 front and back support 3 that parallels, backing plate 1 top surface flushes with die body 7 top down, is provided with on the backing plate 1 rather than sliding fit's activity saddle 2, flat drift 6 has been placed on the activity saddle 2, the fixed cylinder 4 that is provided with in support 3 top, the piston rod 41 of cylinder 4 is in the same place with activity saddle 2 fixed connection, and it can drive activity saddle 2 and carry out reciprocating linear motion front and back on backing plate 1.

In order to facilitate the placement of the flat punch 6, as shown in fig. 3-5, the movable pallet 2 includes a bottom support 21 with a horizontal top surface, a vertically arranged rear limiting vertical plate 22 is fixedly welded at a position of the top surface of the bottom support 21 near the rear end, the piston rod 41 is fixedly connected with the center of the back surface of the rear limiting vertical plate 22, and a sliding block 23 in sliding fit with the top surface of the base plate 1 is fixedly welded at the bottom surface of the bottom support 21.

In order to prevent the flat punch 6 placed on the bottom support 21 from sliding out due to inertia, two front stop blocks 24 are symmetrically arranged at two side parts of the top of the bottom support 21 close to the front end; in order to ensure the strength of the rear limiting vertical plate 22, a rib plate 25 is fixedly welded between the rear limiting vertical plate 22 and the bottom support 21.

The stability of the bottom support 21 is ensured, meanwhile, the friction force between the bottom support and the bottom plate 1 is reduced as much as possible, and the three sliding blocks 23 are arranged at the bottom of the bottom support 21 in an 'article' shaped structure.

In order to fixedly connect the piston rod 41 and the rear limiting vertical plate 22 together, the piston rod 41 can drive the movable saddle 2 to slide on the base plate 1 conveniently, and the piston rod 41 and the rear limiting vertical plate 22 are fixedly connected together through a connector 5; as shown in fig. 7, the connecting head 5 is composed of a connecting plate 51 and a joint 52 fixedly welded at the center of the outer end of the connecting plate 51, a connecting hole 521 is formed in the center of the end face of the joint 52, the connecting hole 521 is a threaded hole, and the end of the piston rod 41 is in threaded connection with the connecting hole 521.

In order to facilitate the fixed connection and the detachment of the connector 5 and the rear limiting vertical plate 22, a plurality of fixing holes 53 which are communicated front and back are formed in the connecting plate 51, the rear limiting vertical plate 22 is provided with connecting holes which are the same in number and position as the fixing holes 53, and the fixing holes 53 and the connecting holes which are corresponding to each other are fixedly connected together through bolts.

In order to facilitate the installation of the cylinder 4, as shown in fig. 6, the bracket 3 is composed of a supporting column 31 and a supporting plate 32 fixedly welded on the top of the supporting column 31; the two support columns 31 are arranged in parallel at the bottom of the supporting plate 32 close to the front end and the rear end; two flanges 33 are symmetrically arranged at the top of the supporting plate 32 close to the front end and the rear end, the cylinder 4 is arranged between the front flange 33 and the rear flange 33, and the front end and the rear end of the cylinder are fixedly connected with the front flange 33 and the rear flange 33 respectively.

In order to facilitate flexible assembly and disassembly between the cylinder 4 and the bracket 3, the cylinder 4 and the flange 33 are fixedly connected together through bolts.

In order to facilitate the fixing of the bracket 3, a bottom plate fixing plate 34 is fixedly welded at the bottom of the supporting column 31, and a positioning hole 341 which is communicated with the bottom is formed in the bottom plate fixing plate 34.

In order to ensure the supporting strength of the bottom plate 1, ribs 11 which are obliquely arranged are welded between the bottom of the base plate 1 and the lower die body 7.

The specific working principle is as follows: the base plate 1 is fixedly welded at the top of the outer side of the lower die body 7, the top surface of the base plate is flush with the top surface of the lower die body 7, ribs 11 for increasing the supporting force of the base plate 1 are welded between the bottom of the base plate 1 and the lower die body 7, the movable saddle is placed at the top of the base plate 1, the support 3 is arranged at the outer side of the base plate 1, the support 3 penetrates through a positioning hole 341 on a bottom base plate fixing plate 34 of the support and is fixedly connected with a screw hole preset at an installation part through a bolt, the air cylinder 4 is fixedly connected between two mutually symmetrical blocking edges 33 through a bolt, and a piston rod 41 on the air cylinder 4 is fixedly connected with the movable saddle 2 through a connector 5; the method comprises the following steps that a flat punch 6 is placed on a bottom support 21 of a movable supporting platform 2 in advance, the position is limited through a rear limiting vertical plate 22 and a front stop block 24, when the punching machine works, an air cylinder 4 drives the movable supporting platform 2 to move towards the center of the top of a lower die body 7 through a piston rod 41 and move to the position right below a punch mounting part of a punching machine tool, then the punch mounting part of the punching machine is lowered and is fixedly butted with the flat punch 6, and after the punching machine drives the flat punch 6 to ascend, the air cylinder 4 drives the movable supporting platform 2 to reset through the piston rod 41 so as to avoid interference machining; when the flat punch is disassembled, the cylinder 4 drives the movable supporting platform 2 to move to the position right below the punch through the piston rod 41 again, then the punching machine descends, the flat punch 6 is stably placed on the movable supporting platform 2, the flat punch is disassembled, and the movable supporting platform 2 drives the flat punch 6 to reset through the cylinder 4 after the punching machine ascends, so that the flat punch is convenient to disassemble.

The quick assembling and disassembling mechanism for the die forging extrusion punch is simple in structure, capable of achieving quick assembling and disassembling of the extrusion punch, convenient to efficiently complete a die forging extrusion process, capable of improving machining efficiency, convenient to install and disassemble, capable of greatly saving manpower, and further capable of saving machining cost, simple and flexible to operate and high in safety factor.

It is to be emphasized that: the above embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and all simple modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.

Claims

1. The utility model provides a quick loading and unloading mechanism of die forging extrusion drift which characterized in that: including be used for solid welding backing plate (1) at die forging mould die body (7) outside top under and set up down die body (7) outside and with support (3) that parallel around backing plate (1), backing plate (1) top surface flushes with die body (7) top down, is provided with on backing plate (1) rather than sliding fit's movable saddle (2), flat drift (6) have been placed on movable saddle (2), fixed cylinder (4) that are provided with in support (3) top, piston rod (41) of cylinder (4) are in the same place with movable saddle (2) fixed connection, and it can drive movable saddle (2) and carry out reciprocating linear motion around on backing plate (1).

2. The swage extrusion punch quick-release mechanism of claim 1, wherein: the movable supporting platform (2) comprises a bottom support (21) with a horizontal top surface, a vertically arranged rear limiting vertical plate (22) is fixedly welded at a position, close to the rear end, of the top surface of the bottom support (21), the piston rod (41) is fixedly connected with the center of the back surface of the rear limiting vertical plate (22), and a sliding block (23) in sliding fit with the top surface of the base plate (1) is fixedly welded on the bottom surface of the bottom support (21).

3. The swage extrusion punch quick release mechanism of claim 2, wherein: two front stop blocks (24) are symmetrically arranged at two side parts of the top of the bottom support (21) close to the front end; a rib plate (25) is fixedly welded between the rear limiting vertical plate (22) and the bottom support (21).

4. The swage extrusion punch quick release mechanism according to claim 2, wherein: the slide block (23) is provided with three blocks which are arranged at the bottom of the bottom support (21) in a structure like the Chinese character 'pin'.

5. The swage extrusion punch quick release mechanism according to claim 2, wherein: the piston rod (41) and the rear limiting vertical plate (22) are fixedly connected together through a connector (5); connector (5) by connecting plate (51) with weld firmly connect (52) at connecting plate (51) outer end center and constitute, the terminal surface center that connects (52) is provided with connecting hole (521), connecting hole (521) are the screw hole, the tip of piston rod (41) with connecting hole (521) threaded connection is in the same place.

6. The swage extrusion punch quick release mechanism according to claim 5, wherein: the connecting plates (51) are respectively provided with a plurality of fixing holes (53) which are communicated front and back, the rear limiting vertical plate (22) is provided with connecting holes which are the same as the fixing holes (53) in number and position, and the fixing holes (53) and the connecting holes which are corresponding to each other are fixedly connected together through bolts.

7. The swage extrusion punch quick release mechanism according to claim 1, wherein: the support (3) consists of a support column (31) and a supporting plate (32) fixedly welded at the top of the support column (31); the two support columns (31) are arranged in parallel at the bottom of the supporting plate (32) close to the front end and the rear end; two flanges (33) are symmetrically arranged at the positions, close to the front end and the rear end, of the top of the supporting plate (32), the cylinder (4) is arranged between the front flange (33) and the rear flange (33), and the front end and the rear end of the cylinder are fixedly connected with the front flange (33) and the rear flange (33) respectively.

8. The swage extrusion punch quick release mechanism of claim 7, wherein: the cylinder (4) and the flange (33) are fixedly connected together through a bolt.

9. The swage extrusion punch quick release mechanism according to claim 7, wherein: a bottom plate fixing plate (34) is fixedly welded at the bottom of the supporting column (31), and a positioning hole (341) which is communicated up and down is formed in the bottom plate fixing plate (34).

10. The swage extrusion punch quick release mechanism according to claim 1, wherein: ribs (11) which are obliquely arranged are welded between the bottom of the base plate (1) and the lower die body (7).