CN215879738U

CN215879738U - Front pin structure for fixing die

Info

Publication number: CN215879738U
Application number: CN202120989786.XU
Authority: CN
Inventors: 曲艺
Original assignee: Ryobi Die Casting Dalian Inc
Current assignee: Ryobi Die Casting Dalian Inc
Priority date: 2021-05-11
Filing date: 2021-05-11
Publication date: 2022-02-22
Anticipated expiration: 2031-05-11

Abstract

The embodiment of the utility model discloses a front pin structure for fixing a mold, and particularly relates to the field of molds. According to the utility model, through arranging the bolt main body, the inner rod, the front rod and the screws, after the bolt main body is installed, the front rod is pulled outwards to separate the connecting block from the ejector block, the front rod is recovered, when other bolt main bodies are installed, the front rod is clamped at the front end, the cycle is repeated, the installation cost of the bolt is saved, when the bolt main body is damaged, the bolt main body is firstly taken down from a mold, then the screws are taken out from the ejector block and the first threaded hole and the second threaded hole of the bolt main body by using tools, the limit structures of the ejector block and the bolt main body are removed, then the inner rod is pulled out from the bolt main body through the ejector block, the worn bolt main body is replaced, and the replacement cost of the bolt is reduced.

Description

Front pin structure for fixing die

Technical Field

The embodiment of the utility model relates to the field of molds, in particular to a front pin structure for fixing a mold.

Background

The production of the aluminum alloy casting can be carried out without opening the die and the die pin, the die ensures that the external shape of the aluminum alloy casting is consistent with the designed shape, and the die pin ensures the positions and sizes of pin holes with various specifications in the aluminum alloy casting.

The prior art has the following defects: the existing bolt is of an integrated structure, when the part is damaged, the whole part needs to be replaced, and the replacement cost is high.

Disclosure of Invention

Therefore, the embodiment of the utility model provides a preposed pin structure for fixing a die, which comprises a pin body, an inner rod, a front rod and a screw, after the bolt body is installed, the front rod is pulled outwards to separate the connecting block from the top block and recover the front rod, when other bolt main bodies are installed, the front rod is clamped at the front end, the cycle is repeated, the installation cost of the bolt is saved, when the bolt main body is damaged, the bolt main body is taken down from the mold, then using a tool to take out the screws from the first threaded hole and the second threaded hole of the ejector block and the bolt body, releasing the limiting structures of the ejector block and the bolt body, then pulling the inner rod out of the bolt body through the ejector block, the worn-out bolt main body is replaced, so that the replacement cost of the bolt is reduced, and the problem caused by higher replacement cost of the bolt in the prior art is solved.

In order to achieve the above object, an embodiment of the present invention provides a following technical scheme that a front pin structure for fixing a mold includes a pin body, a top block is disposed at a top end of the pin body, a front rod is disposed at one end of the top block, a connecting block is disposed at a bottom end of the front rod, the bottom end of the front rod is integrally connected to the connecting block, the connecting block is sleeved on an outer surface of the top block, four screws are fixedly mounted inside the top block, the four screws are annularly arranged, a first threaded hole is formed in an outer surface of the top block, and grooves are formed in outer surfaces of two sides of the top block.

Furthermore, a positioning groove is formed in the center of the outer surface of the ejector block, and the connecting block is matched with the ejector block.

Further, the inner wall both sides fixed mounting of connecting block has the side piece, side piece and recess phase-match.

Furthermore, a positioning block is fixedly mounted in the center of the inside of the connecting block, the positioning block is inserted into the positioning groove, and the positioning block is matched with the positioning groove.

Furthermore, a second threaded hole is formed in the outer surface of the top end of the bolt main body, the inner diameter of the first threaded hole is the same as that of the second threaded hole, one end of the screw is matched with the second threaded hole, and the ejector block is fixedly connected with the bolt main body through the screw.

Further, an inner rod is arranged inside the bolt main body and matched with the bolt main body, and the top end of the inner rod is welded with the ejector block.

Further, the bolt main part is stainless steel, the surface of bolt main part is provided with the screw thread.

The embodiment of the utility model has the following advantages:

through setting up the bolt main part, interior pole, front boom and screw, after finishing the installation of bolt main part, the outside pulling of front boom, make the connecting block break away from the kicking block, retrieve the front boom, when installing other bolt main parts, earlier preceding pole joint at the front end, so circulate, the installation cost of bolt has been practiced thrift, when bolt main part appears damaging, take off the bolt main part from the mould earlier, then use tool takes out the screw from the first screw hole and the second screw hole of kicking block and bolt main part, remove the limit structure of kicking block and bolt main part, then pull out interior pole from the bolt main part through the kicking block, change the bolt main part of wearing and tearing, reduce the replacement cost of bolt.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.

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

FIG. 2 is an overall exploded view of the present invention;

FIG. 3 is a schematic structural view of the latch body according to the present invention;

FIG. 4 is a schematic structural view of a front rod of the present invention;

FIG. 5 is a cross-sectional view of the latch body of the present invention.

In the figure: 1. a plug pin body; 2. a top block; 3. a front bar; 4. connecting blocks; 5. a screw; 6. a first threaded hole; 7. a groove; 8. positioning a groove; 9. a side block; 10. positioning blocks; 11. a second threaded hole; 12. an inner rod.

Detailed Description

The present invention is described in terms of particular embodiments, other advantages and features of the utility model will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the utility model and that it is not intended to limit the utility model to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to the attached drawings 1-5 in the specification, the front pin structure for fixing the die comprises a pin body 1, wherein a top block 2 is arranged at the top end of the pin body 1, a front rod 3 is arranged at one end of the top block 2, a connecting block 4 is arranged at the bottom end of the front rod 3, the bottom end of the front rod 3 is integrally connected with the connecting block 4, the connecting block 4 is sleeved on the outer surface of the top block 2, four screws 5 are fixedly arranged inside the top block 2, the four screws 5 are annularly arranged, a first threaded hole 6 is formed in the outer surface of the top block 2, and grooves 7 are formed in the outer surfaces of two sides of the top block 2.

Further, constant head tank 8 has been seted up at the surface center of kicking block 2, connecting block 4 and kicking block 2 phase-match, preceding pole 3 carries out the joint through locating piece 10 and side piece 9 in inserting constant head tank 8 and recess 7 with kicking block 2.

Further, the inner wall both sides fixed mounting of connecting block 4 has side piece 9, side piece 9 and recess 7 phase-match when installing other bolt main parts 1, earlier with preceding pole 3 joint in the front end, so circulate, practiced thrift the installation cost of bolt.

Further, a positioning block 10 is fixedly installed at the center of the interior of the connecting block 4, the positioning block 10 is inserted into the positioning groove 8, and the positioning block 10 is matched with the positioning groove 8.

Further, second screw hole 11 has been seted up to the top surface of bolt main part 1, first screw hole 6 is the same with second screw hole 11 internal diameter, the one end and the second screw hole 11 phase-match of screw 5, kicking block 2 passes through screw 5 fixed connection with bolt main part 1, when bolt main part 1 part appears damaging, takes off bolt main part 1 from the mould earlier, then uses the instrument to take out screw 5 from first screw hole 6 and the second screw hole 11 of kicking block 2 and bolt main part 1, removes the limit structure of kicking block 2 and bolt main part 1.

Further, an inner rod 12 is arranged inside the bolt body 1, the inner rod 12 is matched with the bolt body 1, the top end of the inner rod 12 is welded with the ejector block 2, the inner rod 12 is pulled out of the bolt body 1 through the ejector block 2, the worn bolt body 1 is replaced, and replacement cost of the bolt is reduced.

Further, bolt main part 1 is stainless steel, the surface of bolt main part 1 is provided with the screw thread, when installing, inserts the one end of bolt main part 1 from the front end of mould earlier, through the screw thread and the mould fixed connection on bolt main part 1 surface, need not dismantle the mould when trading the round pin, makes to trade the round pin more swift, has saved and has traded the round pin time.

The working principle is as follows: referring to the attached drawings 1-5 of the specification, during installation, one end of a bolt main body 1 is firstly inserted from the front end of a mould and is fixedly connected with the mould through threads on the surface of the bolt main body 1, the mould does not need to be disassembled when the bolt is replaced, so that the bolt replacement is quicker, the bolt replacement time is saved, during the installation process of the bolt, a front rod 3 needs to be rotated, the front rod 3 is inserted into a positioning groove 8 and a groove 7 through a positioning block 10 and a side block 9 and is clamped with a top block 2, the front rod 3 can drive the bolt main body 1 to rotate, after the installation of the bolt main body 1 is finished, the front rod 3 is pulled outwards to separate a connecting block 4 from the top block 2, the front rod 3 is recycled, when other bolt main bodies 1 are installed, the front rod 3 is firstly clamped at the front end, the cycle is carried out, the installation cost of the bolt is saved, when the part of the bolt main body 1 is damaged, then use the instrument to take out screw 5 from ejector pad 2 and first screw hole 6 and second screw hole 11 of bolt main part 1, remove ejector pad 2 and bolt main part 1's limit structure, then pull out interior pole 12 from bolt main part 1 through ejector pad 2, change worn out bolt main part 1, reduce the replacement cost of bolt.

Although the utility model has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the utility model. Accordingly, such modifications and improvements are intended to be within the scope of the utility model as claimed.

Claims

1. The utility model provides a leading round pin structure for mould is fixed, includes bolt main part (1), its characterized in that: the top of bolt main part (1) is provided with kicking block (2), the one end of kicking block (2) is provided with front rod (3), the bottom of front rod (3) is provided with connecting block (4), the bottom and the connecting block (4) formula of integrating of front rod (3) are connected, the surface at kicking block (2) is established to connecting block (4) cover, the inside fixed mounting of kicking block (2) has four screws (5), four screw (5) are the annular and arrange, first screw hole (6) have been seted up to the surface of kicking block (2), the both sides surface of kicking block (2) is seted up fluted (7).

2. The front pin structure for mold fixing according to claim 1, wherein: the locating groove (8) is formed in the center of the outer surface of the top block (2), and the connecting block (4) is matched with the top block (2).

3. The front pin structure for mold fixing according to claim 1, wherein: the inner wall both sides fixed mounting of connecting block (4) has side piece (9), side piece (9) and recess (7) phase-match.

4. The front pin structure for mold fixing according to claim 2, wherein: the inside center fixed mounting of connecting block (4) has locating piece (10), the inside of constant head tank (8) is inserted in locating piece (10), locating piece (10) and constant head tank (8) phase-match.

5. The front pin structure for mold fixing according to claim 1, wherein: second screw hole (11) have been seted up to the top surface of bolt main part (1), first screw hole (6) are the same with second screw hole (11) internal diameter, the one end and the second screw hole (11) phase-match of screw (5), kicking block (2) pass through screw (5) fixed connection with bolt main part (1).

6. The front pin structure for mold fixing according to claim 1, wherein: an inner rod (12) is arranged inside the bolt main body (1), the inner rod (12) is matched with the bolt main body (1), and the top end of the inner rod (12) is welded with the ejector block (2).

7. The front pin structure for mold fixing according to claim 1, wherein: the bolt main part (1) is made of stainless steel, and the outer surface of the bolt main part (1) is provided with threads.