CN211938882U

CN211938882U - Single-cavity die holder for pin-rail products

Info

Publication number: CN211938882U
Application number: CN202020272869.2U
Authority: CN
Inventors: 刘建军; 李晓婷; 刘学庆; 邢宪东
Original assignee: Shandong Chengtong Forging Co ltd
Current assignee: Shandong Chengtong Forging Co ltd
Priority date: 2020-03-09
Filing date: 2020-03-09
Publication date: 2020-11-17
Anticipated expiration: 2030-03-09

Abstract

The utility model relates to a single-cavity die holder for round pin rail class product, including upper die base and the die holder of rigid coupling on forging press lower part platform of rigid coupling on the forging press drift, go up the lower terminal surface of forging die fixed at the upper die base, the up end at the die holder is fixed to lower forging die, still include a plurality of guide pillar and rigid coupling on the die holder and the guide pin bushing with the guide pillar adaptation on the upper die base, the guide pillar is along vertical and guide pin bushing sliding joint, through setting up upper die base and die holder to with last forging die and lower forging die fixed with upper die base and die holder respectively, during forging die and lower forging die in the processing, can reduce the size of forging die and lower forging die, reduce cost and the processing degree of difficulty, guide pillar along vertical and guide pin bushing sliding joint to guarantee that upper die base and die holder location are accurate not squinted.

Description

Single-cavity die holder for pin-rail products

Technical Field

The utility model relates to a forging and pressing technical field specifically indicates a haplopore chamber die holder for selling rail class product.

Background

The market demand of pin rail products is large, the user has high requirements on the surface quality of the pin rail products, the pin rail products are limited by the shapes of the forgings, and the forgings can be formed only after being preforged. The pin-rail double-cavity die designed and used by our company is used on a 8000-ton friction press, so that the production efficiency of a forge piece is improved by 2-3 times, the product quality is greatly improved, and the center of a product cavity deviates from the center of equipment striking because the double-cavity pin-rail dies are distributed side by side. The forging die carrier for the large pin rail type products is developed in order to solve the problems, the die manufacturing and maintenance cost is effectively reduced through the research and development of the die carrier, and the current situation of the unbalance loading of the equipment is solved.

Disclosure of Invention

The utility model discloses to prior art's not enough, provide a simple structure, can reduce the single die cavity die holder that is used for round pin rail class product of mould size and cost.

The utility model discloses a following technical scheme realizes, provides a haplopore chamber die holder for round pin rail class product, including upper die base of rigid coupling on forging press drift and the die holder of rigid coupling on forging press lower part platform, go up the lower terminal surface of forging die fixed at the upper die base, the up end at the die holder is fixed to lower forging die, still includes a plurality of guide pillar of rigid coupling on the die holder and the guide pin bushing with the guide pillar adaptation of rigid coupling on the upper die base, the guide pillar is along vertical and guide pin bushing sliding joint.

In the scheme, the upper forging die is fixed on the lower end face of the upper die base, the lower forging die is fixed on the upper end face of the lower die base, so that the sizes of the upper forging die and the lower forging die can be reduced when the upper forging die and the lower forging die are machined, the cost and the machining difficulty are reduced, the guide pillar is vertically in sliding connection with the guide sleeve, and the upper die base and the lower die base are accurately positioned and do not deviate.

As optimization, the guide columns are provided with 4 guide columns which are respectively arranged at four corners of the lower die holder. In the scheme, 4 guide pillars are arranged and are respectively arranged at four corners of the lower die base, so that the upper forging die moves up and down stably.

Preferably, the lower die base is provided with guide pillar insertion holes matched with the guide pillars, an annular guide pillar fixing table is fixedly connected to the outer circumferential surface of each guide pillar, an annular guide pillar pressing plate is sleeved on one side, away from the lower die base, of the guide pillar fixing table, the inner ring of the guide pillar pressing plate is matched with the guide pillars, and the guide pillar pressing plate is fixedly connected with the lower die base through bolts. Through the guide pillar clamp plate in this scheme, fix the guide pillar on the die holder.

Preferably, the upper die base is provided with a guide sleeve insertion hole matched with the guide sleeve, the outer circumferential surface of the guide sleeve is fixedly connected with an annular guide sleeve fixing table, one side, away from the upper die base, of the guide sleeve fixing table is sleeved with an annular guide sleeve pressing plate, the inner ring of the guide sleeve pressing plate is matched with the guide sleeve, and the guide sleeve pressing plate is fixedly connected with the upper die base through a bolt. Through the guide sleeve pressing plate in the scheme, the guide sleeve is fixed on the upper die base.

Preferably, the lower end face of the upper die base is provided with an upper fixing groove penetrating through the upper die base in the front-rear direction, the width of the bottom of the upper fixing groove is larger than that of the notch, the top of the upper forging die is provided with a wedge-shaped upper fixing table matched with the upper fixing groove, and an upper wedge iron is arranged between the side face of the wedge-shaped upper fixing table and the upper fixing groove. In this scheme, the groove bottom width of the upper fixing groove is larger than the groove opening width, the top of the upper forging die is provided with a wedge-shaped upper fixing table matched with the upper fixing groove, the wedge-shaped upper fixing table is placed into the upper fixing groove, and the upper forging die is fixed on the upper die base through the upper wedge iron.

Preferably, a square upper positioning block is arranged at the bottom of the upper fixing groove, an upper positioning groove matched with the upper positioning block is formed in the upper end face of the upper forging die, the front-back length of the upper positioning groove is equal to the front-back length of the upper positioning block, and the left-right width of the upper positioning groove is larger than the left-right width of the upper positioning block. The front-back length of the upper positioning groove is equal to the front-back length of the upper positioning block, so that the upper forging die is prevented from moving back and forth in the upper die base.

Preferably, a lower fixing groove penetrating through the upper end face of the lower die holder in the front-rear direction is formed in the upper end face of the lower die holder, the width of the bottom of the lower fixing groove is larger than that of the notch, a wedge-shaped lower fixing table matched with the lower fixing groove is arranged at the bottom of the lower forging die, and a lower wedge iron is arranged between the side face of the wedge-shaped lower fixing table and the lower fixing groove. In this scheme, the tank bottom width of the lower fixed groove is greater than the notch width, the bottom of the lower forging die is provided with a wedge-shaped lower fixed table matched with the lower fixed groove, the wedge-shaped lower fixed table is placed into the lower fixed groove, and the lower forging die is fixed on the lower die holder through a lower wedge iron.

Preferably, a square lower positioning block is arranged at the bottom of the lower fixing groove, a lower positioning groove matched with the lower positioning block is formed in the lower end face of the lower forging die, the front-back length of the lower positioning groove is equal to the front-back length of the lower positioning block, and the left-right width of the lower positioning groove is larger than the left-right width of the lower positioning block. In the scheme, the front-back length of the lower positioning groove is equal to the front-back length of the lower positioning block, so that the lower forging die is prevented from moving back and forth in the lower die base.

And optimally, the upper die base is fixedly connected with a punch of the forging press through a threaded fastener, and the lower die base is fixedly connected with a lower platform of the forging press through a threaded fastener. In the scheme, the upper die base is fixedly connected with the punch of the forging press through the threaded fastener, and the lower die base is fixedly connected with the lower platform of the forging press through the threaded fastener, so that the upper die base and the lower die base can be conveniently disassembled and assembled.

The utility model has the advantages that: the utility model discloses a single-mode chamber die holder for round pin rail class product, through setting up upper die base and die holder to going up forging die and lower forging die and being fixed with upper die base and die holder respectively, during forging die and lower forging die in the processing, can reducing the size of forging die and lower forging die, reduce cost and the processing degree of difficulty, guide pillar along vertical and guide pin bushing sliding connection, thereby guarantee that upper die base and die holder location are accurate not squinted.

Drawings

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

FIG. 2 is a front cross-sectional view of the present invention;

fig. 3 is a bottom view of the upper die base of the utility model;

FIG. 4 is a top view of the lower die holder of the present invention;

FIG. 5 is a schematic view of the structure of the guide post of the present invention;

fig. 6 is a schematic sectional view of the guide sleeve of the present invention;

fig. 7 is a schematic structural view of the upper wedge of the present invention;

shown in the figure:

1. the forging die comprises an upper die holder, 2, a lower die holder, 3, a guide sleeve, 4, a guide sleeve pressing plate, 5, a guide pillar, 6, a guide pillar pressing plate, 7, an upper positioning block, 8, upper wedge iron, 9, a lower positioning block, 10, lower wedge iron, 11, an upper forging die, 12, an upper mounting hole, 13, a lower forging die, 14 and a lower mounting hole.

Detailed Description

In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.

As shown in fig. 1-7, the utility model discloses a single die cavity die holder for round pin rail class product, including upper die base 1 of rigid coupling on the forging press drift and lower bolster 2 of rigid coupling on forging press lower part platform, go up forging die 11 and fix the lower terminal surface at upper die base 1, lower forging die 13 is fixed at the up end of lower bolster 2.

The die comprises a lower die base 2, and is characterized by further comprising 4 guide pillars 5 fixedly connected on the lower die base 2 and a guide sleeve 3 fixedly connected on the upper die base 1 and matched with the guide pillars 5, wherein the guide pillars 5 are in sliding contact with the guide sleeve 3 along the vertical direction.

The guide posts 5 are respectively arranged at four corners of the lower die holder 2, the guide posts 5 are inserted into the guide sleeves 3, and the outer diameters of the guide posts 5 are matched with the inner diameters of the guide sleeves 3.

The die comprises a lower die base 2 and is characterized in that 4 guide pillar insertion holes matched with guide pillars 5 are formed in the lower die base 2, an annular guide pillar fixing table is fixedly connected to the outer circumferential surface of each guide pillar 5, a sinking groove for accommodating the guide pillar fixing table is formed in the upper end surface of the lower die base 2, an annular guide pillar pressing plate 6 is sleeved on one side, away from the lower die base 2, of the guide pillar fixing table, the inner ring of the guide pillar pressing plate 6 is matched with the guide pillars 5, and the guide pillar pressing plate 6 is fixedly connected with the lower. So that the guide post 5 is fixed on the lower die holder 2 through the guide post pressing plate 6.

The guide sleeve fixing device is characterized in that a guide sleeve jack matched with the guide sleeve 3 is formed in the upper die base 1, an annular guide sleeve fixing table is fixedly connected to the outer circumferential surface of the guide sleeve 3, a sinking groove for accommodating the guide sleeve fixing table is formed in the lower end face of the upper die base 1, an annular guide sleeve pressing plate 4 is sleeved on one side, away from the upper die base 1, of the guide sleeve fixing table, the inner ring of the guide sleeve pressing plate 4 is matched with the guide sleeve 3, and the guide sleeve pressing plate 4 is fixedly connected with the upper die base. Thereby fixing the guide sleeve 3 on the upper die holder 1 through the guide sleeve pressing plate 4.

The lower terminal surface of upper die base 1 is opened there is the last fixed slot that runs through along the fore-and-aft direction, the tank bottom width of going up the fixed slot is greater than the notch width, thereby it is the forked tail groove to make go up the fixed slot, the top of going up forging die 11 be equipped with the wedge of last fixed slot adaptation on the fixed station, the fixed station also is the width that the fixed station was less than the width of going up the fixed slot on dovetail and the wedge on the wedge, wedge 8 is equipped with between the side of fixed station and the last fixed slot on the wedge, it is the wedge to go up wedge 8, through pounding wedge 8 on the wedge between the side of fixed station and the last fixed slot, thereby fix the fixed station inside last fixed slot on the wedge.

As shown in fig. 2, a square upper positioning block 7 is installed at the bottom of the upper fixing groove, the upper positioning block 7 is a square block and is placed in the square groove at the bottom of the upper fixing groove, an upper positioning groove matched with the upper positioning block 7 is formed in the upper end face of the upper forging die 11, the front-back length of the upper positioning groove is equal to the front-back length of the upper positioning block 7, and the left-right width of the upper positioning groove is larger than the left-right width of the upper positioning block 7. Therefore, the upper positioning block 7 is used for limiting the front and back movement of the upper forging die 11, and the upper positioning groove can transversely move relative to the upper positioning block 7, so that the wedge-shaped upper fixing table and the upper fixing groove can be matched conveniently.

The up end of die holder 2 is opened there is the underfixing groove that runs through along the fore-and-aft direction, the tank bottom width of underfixing groove is greater than the notch width, thereby make the underfixing groove be the forked tail groove, the bottom of underforging die 13 be equipped with underfixing platform under the wedge of underforging die adaptation, the width that the fixed station was also for fixed station under forked tail shape and the wedge is less than the width of underfixing groove under the wedge, wedge 10 is equipped with down between the side of fixed station under the wedge and the underfixing groove, lower wedge 10 is the wedge, through pounding wedge 10 down between the side of fixed station under the wedge and the underfixing groove, thereby fix the fixed station under the wedge inside the underfixing groove.

The bottom of lower fixed slot is equipped with square lower locating piece 9, lower locating piece 9 is square piece and places in the square inslot of lower fixed slot bottom, lower terminal surface of lower forging die 13 is opened has the lower constant head tank with lower locating piece 9 adaptation, the length is equal with the length around lower locating piece 9 around the length of lower constant head tank, the width about lower constant head tank is greater than the width about lower locating piece 9, thereby restrict the back-and-forth movement of forging die 13 down through lower locating piece 9, and lower constant head tank can be relative lower locating piece 9 lateral shifting, be convenient for under the wedge cooperation between fixed station and the lower fixed slot.

The upper die holder 1 is fixedly connected with a forging press punch through a threaded fastener, 4 upper mounting holes 12 are formed in the upper die holder 1, the upper mounting holes 12 are long holes, and the upper die holder 1 is fixed to the bottom surface of the forging press punch through bolts penetrating through the upper mounting holes.

The lower die base 2 is fixedly connected with a lower platform of the forging press through a threaded fastener, 4 lower mounting holes 14 are formed in the lower die base 2, the lower mounting holes 14 are long holes, and the lower die base 2 is fixed on the lower platform of the forging press through the lower mounting holes 14 which are penetrated through bolts.

The utility model discloses a use method: when the forging die is used, the upper positioning block 7 is placed into the upper positioning groove of the upper forging die 11, then the wedge-shaped upper fixing table of the upper forging die 11 is inserted into the upper fixing groove, the upper positioning block 7 is inserted into the square groove at the bottom of the upper fixing groove during insertion, then the upper wedge 8 is inserted, one side, away from the upper wedge 8, of the wedge-shaped upper fixing table is attached to the upper fixing groove, therefore, the upper forging die 11 and the upper die base 1 are fixed, then the lower forging die 13 and the lower die base 2 are fixed in the same manner, and then forging and pressing are conducted.

Of course, the above description is not limited to the above examples, and technical features of the present invention that are not described in the present application may be implemented by or using the prior art, and are not described herein again; the above embodiments and drawings are only used for illustrating the technical solutions of the present invention and are not intended to limit the present invention, and the present invention has been described in detail with reference to the preferred embodiments, and those skilled in the art should understand that changes, modifications, additions or substitutions made by those skilled in the art within the spirit of the present invention should also belong to the protection scope of the claims of the present invention.

Claims

1. A single-cavity die holder for pin-rail type products is characterized in that: the forging press comprises an upper die base (1) fixedly connected to a punch of a forging press and a lower die base (2) fixedly connected to a platform on the lower portion of the forging press, an upper forging die (11) is fixed to the lower end face of the upper die base (1), a lower forging die (13) is fixed to the upper end face of the lower die base (2), the forging press further comprises a plurality of guide pillars (5) fixedly connected to the lower die base (2) and guide sleeves (3) fixedly connected to the upper die base (1) and matched with the guide pillars (5), and the guide pillars (5) are vertically in sliding connection with the guide sleeves (3).

2. A single cavity die holder for pin and rail type products as claimed in claim 1, wherein: the guide columns (5) are provided with 4 guide columns which are respectively arranged at four corners of the lower die holder (2).

3. A single cavity die holder for pin and rail type products as claimed in claim 1, wherein: the die comprises a lower die base (2) and is characterized in that guide post insertion holes matched with guide posts (5) are formed in the lower die base (2), an annular guide post fixing table is fixedly connected to the outer circumferential surface of each guide post (5), an annular guide post pressing plate (6) is sleeved on one side, away from the lower die base (2), of the guide post fixing table, an inner ring of the guide post pressing plate (6) is matched with the guide posts (5), and the guide post pressing plate (6) is fixedly connected with the lower die base (2) through bolts.

4. A single cavity die holder for pin and rail type products as claimed in claim 1, wherein: the guide sleeve fixing device is characterized in that a guide sleeve jack matched with the guide sleeve (3) is formed in the upper die base (1), an annular guide sleeve fixing table is fixedly connected to the outer circumferential surface of the guide sleeve (3), an annular guide sleeve pressing plate (4) is sleeved on one side, away from the upper die base (1), of the guide sleeve fixing table, the inner ring of the guide sleeve pressing plate (4) is matched with the guide sleeve (3), and the guide sleeve pressing plate (4) is fixedly connected with the upper die base (1) through bolts.

5. A single cavity die holder for pin and rail type products as claimed in claim 1, wherein: an upper fixing groove penetrating through the lower end face of the upper die base (1) in the front-rear direction is formed, the width of the bottom of the upper fixing groove is larger than that of the notch, a wedge-shaped upper fixing table matched with the upper fixing groove is arranged at the top of the upper forging die (11), and an upper wedge (8) is arranged between the side face of the wedge-shaped upper fixing table and the upper fixing groove.

6. A single cavity die holder for pin and rail type products according to claim 5, wherein: the square upper positioning block (7) is installed at the bottom of the upper fixing groove, an upper positioning groove matched with the upper positioning block (7) is formed in the upper end face of the upper forging die (11), the front-back length of the upper positioning groove is equal to the front-back length of the upper positioning block (7), and the left-right width of the upper positioning groove is larger than the left-right width of the upper positioning block (7).

7. A single cavity die holder for pin and rail type products as claimed in claim 1, wherein: the upper end face of the lower die holder (2) is provided with a lower fixing groove which penetrates through the lower die holder in the front-back direction, the width of the groove bottom of the lower fixing groove is larger than that of the groove opening, the bottom of the lower forging die (13) is provided with a wedge-shaped lower fixing table matched with the lower fixing groove, and a lower wedge (10) is arranged between the side face of the wedge-shaped lower fixing table and the lower fixing groove.

8. A single cavity die holder for pin and rail type products as claimed in claim 7, wherein: the bottom of the lower fixing groove is provided with a square lower positioning block (9), the lower end face of the lower forging die (13) is provided with a lower positioning groove matched with the lower positioning block (9), the front-back length of the lower positioning groove is equal to the front-back length of the lower positioning block (9), and the left-right width of the lower positioning groove is larger than the left-right width of the lower positioning block (9).

9. A single cavity die holder for pin and rail type products as claimed in claim 1, wherein: the upper die holder (1) is fixedly connected with a punch of the forging press through a threaded fastener, and the lower die holder (2) is fixedly connected with a lower platform of the forging press through a threaded fastener.