CN215544459U

CN215544459U - Return pin pressing block structure of die

Info

Publication number: CN215544459U
Application number: CN202121979283.0U
Authority: CN
Inventors: 王金成; 何溪芝; 郭宽亮
Original assignee: Kunshan Jinbeixi Mould Base Co ltd
Current assignee: Kunshan Jinbeixi Mould Base Co ltd
Priority date: 2021-08-23
Filing date: 2021-08-23
Publication date: 2022-01-18
Anticipated expiration: 2031-08-23

Abstract

The utility model belongs to the field of die accessories, and particularly relates to a return pin pressing block structure of a die, which comprises a lower die and a pressing plate, wherein an upper die is sleeved on the lower die in a sliding manner, a return pin is connected in the upper die in a sliding manner, a threaded hole is formed in the return pin, a connecting seat is fixedly connected to the pressing plate, the return pin is connected in the connecting seat in a sliding manner, a limiting sliding groove is formed in the surface of the return pin, a groove is formed in the upper die, and a pressing block is connected in the groove in a sliding manner. According to the utility model, the fixed square rod, the limiting pin, the first spring, the inclined block, the adjusting bolt and other components are designed on the basis of the pressing block, and the inclined block is extruded by the adjusting bolt, so that the inclined block drives the limiting pin to move, and the limiting pin enters the limiting sliding groove on the surface of the return pin, therefore, the normal sliding of the return pin is not influenced, the return pin can be well limited, and the return pin is prevented from being separated from the upper die.

Description

Return pin pressing block structure of die

Technical Field

The utility model relates to the field of die accessories, in particular to a return pin pressing block structure of a die.

Background

The key that the upper and lower mould of mould separated when returning the round pin, under half the circumstances, all fix the round pin that returns with the briquetting, but current briquetting structure is complicated, is difficult for the installation to only play fixed effect to the round pin that returns, can not play fine spacing, the condition that breaks away from on the mould can appear in the round pin that returns. Therefore, improvements are needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a return pin pressing block structure of a die, which solves the problems that the existing pressing block structure is complex and is not easy to install, the return pin only plays a role in fixing and cannot play a good limiting role, and the return pin can be separated from the die.

In order to achieve the purpose, the utility model provides the following technical scheme: a return pin pressing block structure of a die comprises a lower die and a pressing plate, wherein the lower die is sleeved with an upper die in a sliding manner, the upper die is connected with a return pin in a sliding manner, a threaded hole is formed in the return pin, a connecting seat is fixedly connected to the pressing plate, the connecting seat is connected with the return pin in the sliding manner, a limiting sliding groove is formed in the surface of the return pin, a groove is formed in the upper die, a pressing block is connected in the groove in the sliding manner, the return pin is connected in the pressing block in the sliding manner, two fixed square rods which are symmetrically distributed are fixedly connected in the pressing block, a limiting pin is sleeved outside each fixed square rod in the sliding manner and is connected with the limiting sliding groove in the sliding manner, a first spring is sleeved outside each fixed square rod, an inclined block is fixedly connected to the limiting pin, an adjusting bolt is connected in the pressing block through threads, and the tail end of the adjusting bolt is in contact with the inclined block, the fixed surface of briquetting is connected with two symmetric distribution's fixed pin, every the outside of fixed pin is rotated and is connected with the butt joint board, the butt joint board passes through the mounting screw with last mould, the second spring has been cup jointed to the outside of return round pin.

Preferably, one end of the second spring is in contact with the connecting seat, and the other end of the second spring is in contact with the inner surface of the upper die.

Preferably, the connecting seat is connected with a limiting bolt in a sliding mode, and the tail end of the limiting bolt is connected with the threaded hole through threads.

Preferably, one end of the first spring is fixedly connected with a limiting pin, and the other end of the first spring is fixedly connected to the inner surface of the pressing block.

Preferably, the number of the limiting sliding grooves is two, and the two limiting sliding grooves are symmetrically distributed on the return pin.

Preferably, the butt joint plate is in contact with the pressing block and the upper die, and the butt joint plate is made of stainless steel.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the fixed square rod, the limiting pin, the first spring, the inclined block, the adjusting bolt and other components are designed on the basis of the pressing block, and the inclined block is extruded by the adjusting bolt, so that the inclined block drives the limiting pin to move, and the limiting pin enters the limiting sliding groove on the surface of the return pin, therefore, the normal sliding of the return pin is not influenced, the return pin can be well limited, and the return pin is prevented from being separated from the upper die.

2. According to the utility model, the groove matched with the pressing block is designed on the upper die, the pressing block can be placed in the groove, then the fixing pin and the butt plate are designed on the basis of the pressing block, and then the butt plate and the upper die are connected and fixed through the bolt, so that the structure is simple, and the pressing block is convenient to mount and dismount.

Drawings

FIG. 1 is a perspective view of the overall construction of the present invention;

FIG. 2 is a front cross-sectional view of FIG. 1 of the present invention;

FIG. 3 is an enlarged view of the portion A of FIG. 2 according to the present invention;

fig. 4 is an enlarged view of the structure of the part B of fig. 2 according to the present invention.

In the figure: 1. a lower die; 2. an upper die; 3. a return pin; 4. a threaded hole; 5. pressing a plate; 6. a connecting seat; 7. a limit bolt; 8. a limiting chute; 9. a groove; 10. briquetting; 11. fixing the square rod; 12. a spacing pin; 13. a first spring; 14. a sloping block; 15. adjusting the bolt; 16. a fixing pin; 17. a butt plate; 18. a second spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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 fig. 1-4, a return pin pressing block structure of a mold comprises a lower mold 1 and a pressing plate 5, wherein the lower mold 1 is slidably sleeved with an upper mold 2, the upper mold 2 is slidably connected with a return pin 3, the return pin 3 is provided with a threaded hole 4, the pressing plate 5 is fixedly connected with a connecting seat 6, the connecting seat 6 is slidably connected with the return pin 3, the surface of the return pin 3 is provided with a limiting chute 8, the upper mold 2 is provided with a groove 9, the groove 9 is slidably connected with a pressing block 10, the pressing block 10 is slidably connected with the return pin 3, the pressing block 10 is fixedly connected with two fixed square rods 11 which are symmetrically distributed, the outer part of each fixed square rod 11 is slidably sleeved with a limiting pin 12, the limiting pin 12 is slidably connected with the limiting chute 8, the outer part of each fixed square rod 11 is sleeved with a first spring 13, the upper part of the limiting pin 12 is fixedly connected with an inclined block 14, the inner part of the pressing block 10 is connected with an adjusting bolt 15 through a thread, the tail end of the adjusting bolt 15 is in contact with the inclined block 14, the surface of the pressing block 10 is fixedly connected with two fixing pins 16 which are symmetrically distributed, the outer part of each fixing pin 16 is rotatably connected with a butt plate 17, the butt plate 17 and the upper die 2 are installed through screws, and the outer part of the return pin 3 is sleeved with a second spring 18.

Referring to fig. 2 and 3, one end of the second spring 18 contacts the connecting seat 6, and the other end of the second spring 18 contacts the inner surface of the upper mold 2. The clamping upper has a buffer effect on the platen 5 due to the design of the second spring 18.

Referring to fig. 3, a limiting bolt 7 is slidably connected in the connecting seat 6, and the tail end of the limiting bolt 7 is in threaded connection with the threaded hole 4. Through the design of spacing bolt 7, with the cooperation of screw hole 4, be convenient for return pin 3's the connecting seat between 6 be connected, the later stage of being convenient for return pin 3's of the same dismantlement.

Referring to fig. 4, one end of the first spring 13 is fixedly connected to the limit pin 12, and the other end of the first spring 13 is fixedly connected to the inner surface of the pressing block 10. By the design of the first spring 13, an elastic force can be applied to the stopper pin 12.

Referring to fig. 1 and 2, the number of the limiting sliding grooves 8 is two, and the two limiting sliding grooves 8 are symmetrically distributed on the return pin 3. Through the design of spacing spout 8, with the cooperation of spacer pin 12, not only can not influence the normal slip of return round pin 3 to can also play fine limiting displacement to return round pin 3, prevent that return round pin 3 breaks away from last mould 2.

Referring to fig. 1 and 4, the abutting plate 17 contacts both the pressing block 10 and the upper die 2, and the abutting plate 17 is made of stainless steel. The installation and fixing of the pressure block 10 is facilitated by the design of the abutment plate 17.

The specific implementation process of the utility model is as follows: when the device is used, the return pin 3 penetrates through the upper die 2, the second spring 18 is sleeved on the outer part of the return pin 3 after penetrating through the upper die 2, then the return pin 3 slides into the connecting seat 6 on the pressure plate 5, then the limiting bolt 7 is installed in the connecting seat 6, then the limiting bolt 7 is in threaded connection with the threaded hole 4 on the return pin 3, the return pin 3 can be separated from the connecting seat 6 by turning the limiting bolt 7 out of the threaded hole 4 at the same later stage, the return pin 3 is convenient to disassemble, then the pressure block 10 is placed into the groove 9 on the upper die 2, then the butt joint plate 17 is rotated, the butt joint plate 17 rotates by taking the fixing pin 16 as an axis, after the butt joint plate 17 rotates to a proper position on the upper die 2, then the butt joint plate 17 is fixed on the upper die 2 by using a screw, at the moment, the installation of the pressure block 10 is completed, then the adjusting bolt 15 is rotated, the adjusting bolt 15 moves downwards through the threaded motion with the pressure block 10, adjusting bolt 15 can contact and extrude sloping block 14 when removing downwards, sloping block 14 can drive spacer pin 12 and slide and tensile first spring 13 on fixed square bar 11, spacer pin 12 enters into the spacing spout 8 on the return pin 3 this moment, accomplish the installation of all parts this moment, spacer pin 12 is in spacing spout 8, not only can not influence the normal slip of return pin 3, and can also play fine limiting displacement to return pin 3, prevent that return pin 3 from breaking away from last mould 2.

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

Claims

1. The utility model provides a return pin briquetting structure of mould, includes lower mould (1) and clamp plate (5), its characterized in that: the upper die is characterized in that an upper die (2) is sleeved on the lower die (1) in a sliding manner, a return pin (3) is connected to the upper die (2) in the sliding manner, a threaded hole (4) is formed in the return pin (3), a connecting seat (6) is fixedly connected to the pressing plate (5), a return pin (3) is connected to the connecting seat (6) in the sliding manner, a limiting sliding chute (8) is formed in the surface of the return pin (3), a groove (9) is formed in the upper die (2), a pressing block (10) is connected to the groove (9) in the sliding manner, a return pin (3) is connected to the pressing block (10) in the sliding manner, two fixed square rods (11) which are symmetrically distributed are fixedly connected to the pressing block (10) in the sliding manner, a limiting pin (12) is sleeved on the outer portion of each fixed square rod (11) in the sliding manner, the limiting pin (12) is connected to the limiting sliding manner, a first spring (13) is sleeved on the outer portion of each fixed square rod (11), fixedly connected with sloping block (14) on spacer pin (12), there are adjusting bolt (15) through threaded connection in briquetting (10), the tail end and sloping block (14) contact of adjusting bolt (15), the fixed surface of briquetting (10) is connected with two symmetric distribution's fixed pin (16), every the outside of fixed pin (16) is rotated and is connected with butt-joint plate (17), butt-joint plate (17) and last mould (2) pass through the mounting screw, second spring (18) have been cup jointed to the outside of return pin (3).

2. The return pin press block structure of a mold as claimed in claim 1, wherein: one end of the second spring (18) is in contact with the connecting seat (6), and the other end of the second spring (18) is in contact with the inner surface of the upper die (2).

3. The return pin press block structure of a mold as claimed in claim 1, wherein: the connecting seat (6) is connected with a limiting bolt (7) in a sliding mode, and the tail end of the limiting bolt (7) is connected with the threaded hole (4) through threads.

4. The return pin press block structure of a mold as claimed in claim 1, wherein: one end of the first spring (13) is fixedly connected with a limiting pin (12), and the other end of the first spring (13) is fixedly connected to the inner surface of the pressing block (10).

5. The return pin press block structure of a mold as claimed in claim 1, wherein: the number of the limiting sliding grooves (8) is two, and the two limiting sliding grooves (8) are symmetrically distributed on the return pin (3).

6. The return pin press block structure of a mold as claimed in claim 1, wherein: the butt joint plate (17) is in contact with the pressing block (10) and the upper die (2), and the butt joint plate (17) is made of stainless steel.