CN220661623U

CN220661623U - Replaceable die frame

Info

Publication number: CN220661623U
Application number: CN202321897753.8U
Authority: CN
Inventors: 向延平
Original assignee: Kunshan Kangriexue Precision Electronic Technology Co ltd
Current assignee: Kunshan Kangriexue Precision Electronic Technology Co ltd
Priority date: 2023-07-19
Filing date: 2023-07-19
Publication date: 2024-03-26
Anticipated expiration: 2033-07-19

Abstract

The utility model discloses a replaceable die frame, which comprises a first die frame and a second die frame, wherein the first die frame is attached to the upper side of the second die frame, a plurality of hexagon socket bolts are connected in the first die frame in a threaded manner, positioning pins are arranged at the bottom ends of the hexagon socket bolts, first sliding holes are formed in the hexagon socket bolts, compression springs are arranged on the inner walls of the bottom ends of the first sliding holes, pressing blocks are arranged on the compression springs, the pressing blocks are slidably arranged in the first sliding holes, second sliding holes are formed in the bottom ends of the first sliding holes, the second sliding holes penetrate through the bottom ends of the positioning pins, sliding rods are slidably arranged in the second sliding holes, the sliding rods are positioned in the compression springs and are arranged on the bottom ends of the pressing blocks, and locking is achieved between the hexagon socket bolts and the hexagon socket bolts through the cooperation of the pressing blocks, the compression springs, the sliding rods and balls, so that the first die frame and the second die frame are convenient to install and detach and replace, and the operation is simple and convenient.

Description

Replaceable die frame

Technical Field

The utility model relates to the technical field of mold frames, in particular to a replaceable mold frame.

Background

The mould is used for various tools for injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods to obtain the required products in industrial production. In short, a mold is a tool used to make a molded article, which is made up of various parts, with different molds being made up of different parts. The processing of the appearance of the article is realized mainly by changing the physical state of the formed material.

The existing die frames are connected and fixed through a plurality of bolts, but the connection mode is complex in operation, inconvenient to replace among the die frames, and the problem of sliding wires easily occurs due to frequent screwing of the bolts, so that the bolts cannot be removed and the problem of insufficient fastening strength is caused, and therefore, a replaceable die frame is required to meet the demands of people.

Disclosure of Invention

The utility model aims to provide a replaceable die frame, which aims to solve the problems that the prior die frames proposed in the background art are connected and fixed through a plurality of bolts, but the connection mode is complex in operation, inconvenient to replace the die frames, and easy to slide due to frequent screwing of the bolts, so that the bolts cannot be removed and the fastening strength is insufficient.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a removable mould frame, includes first mould frame and second mould frame, first mould frame laminating is in the top of second mould frame, and first mould frame internal thread connection has a plurality of hexagon socket head cap screw, and hexagon socket head cap screw's bottom is provided with the locating pin, first slide hole has been seted up in the hexagon socket head cap screw, installs compression spring on the bottom inner wall of first slide hole, installs the briquetting on the compression spring, briquetting slidable mounting is in first slide hole, the second slide hole has been seted up to the bottom of locating pin to first slide hole bottom, and the slide bar is located compression spring's inside to the second slide hole, and installs on the bottom of briquetting, the outer wall slidable mounting of locating pin has a plurality of ball, the trapezoid ring groove looks adaptation has been seted up on the outer wall of slide bar, the locating hole has been seted up on the hexagon socket head cap screw, the locating pin is located the locating hole, the bottom of locating hole has a plurality of wedge hole all to be equipped with, the wedge hole all is equipped with on the inclined plane.

Preferably, a first threaded hole is formed in the first die frame, and the hexagon socket head cap screw is in threaded connection with the first threaded hole.

Preferably, a first countersunk hole is formed in the top end of the first die frame, the first countersunk hole is communicated with the first threaded hole, and the depth and the aperture of the first countersunk hole are larger than the height and the outer diameter of the inner hexagon bolt and nut.

Preferably, the outer wall of the locating pin is provided with a plurality of holes, the balls are positioned in the holes, the aperture of one side of the holes close to the outer wall of the locating pin is smaller than the outer diameter of the balls, and the aperture of the holes close to the inner wall of the locating pin is the same as the outer diameter of the balls.

Preferably, a second threaded hole is formed in the second die frame, and the outer hexagon bolt is in threaded connection with the second threaded hole.

Preferably, a second countersunk hole is formed in the top end of the second die frame, the second countersunk hole is communicated with the second threaded hole, and the depth and the aperture of the second countersunk hole are larger than the height and the maximum outer diameter of the outer hexagon bolt and nut.

Preferably, the bottom inclined plane of the trapezoid ring groove and the inclined plane of the wedge-shaped hole are parallel to each other on a vertical plane.

The beneficial effects of the utility model are as follows:

according to the utility model, through the cooperation of the pressing block, the compression spring, the sliding rod and the ball, the inner hexagon bolt and the outer hexagon bolt are locked, so that the first die frame and the second die frame are convenient to mount, dismount and replace, and the operation is simple and convenient.

According to the quick-release structure, the frequent screwing of the bolts is effectively avoided through the quick-release structure arranged between the inner hexagon bolts and the outer hexagon bolts, the sliding wire is prevented, and the matching use applicability is higher.

Drawings

FIG. 1 is a schematic view of a replaceable mold frame according to the present utility model;

FIG. 2 is a schematic side view partially in cross-section of a first threaded hole of a replaceable mold frame according to the present utility model;

FIG. 3 is a schematic side view of a cross-sectional view of an inner hexagonal bolt and an outer hexagonal bolt of a replaceable mold frame according to the present utility model;

fig. 4 is a schematic diagram of an explosion structure of the connection of the inner hexagon bolt and the outer hexagon bolt of the replaceable mold frame.

In the figure: 1. a first mold frame; 2. a second mold frame; 3. an inner hexagon bolt; 4. a positioning pin; 5. a first slide hole; 6. a compression spring; 7. briquetting; 8. a second slide hole; 9. a slide bar; 10. a ball; 11. a trapezoidal ring groove; 12. an outer hexagonal bolt; 13. positioning holes; 14. a wedge-shaped hole; 15. a first threaded hole; 16. a first counterbore; 17. a hole; 18. a second threaded hole; 19. and a second countersunk hole.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-4, a removable mould frame, including first mould frame 1 and second mould frame 2, first mould frame 1 laminating is in the top of second mould frame 2, first mould frame 1 internal thread connection has a plurality of hexagon socket head cap screw 3, the bottom of hexagon socket head cap screw 3 is provided with locating pin 4, first slide hole 5 has been seted up in the hexagon socket head cap screw 3, install compression spring 6 on the bottom inner wall of first slide hole 5, install briquetting 7 on the compression spring 6, briquetting 7 slidable mounting is in first slide hole 5, second slide hole 8 has been seted up to first slide hole 5 bottom, second slide hole 8 runs through to the bottom of locating pin 4, sliding rod 9 is located compression spring 6's inside, and install on the bottom of briquetting 7, the outer wall sliding mounting of locating pin 4 has a plurality of ball 10, set up trapezoidal annular 11 on the outer wall of sliding rod 9, a plurality of ball 10 all suits with trapezoidal annular 11, hexagonal 12 has been seted up on the outer wall of second mould frame 2 external thread connection to have a plurality of hexagon socket head cap screw 12, a plurality of wedge-shaped bolt 13 has been seted up in the locating hole 13, the wedge-shaped bolt 13 has been located in locating hole 13, the wedge-shaped hole 13 has been set up on the locating hole 13.

When the die frame needs to be replaced, the pressing block 7 is pressed, so that the pressing block 7 drives the sliding rod 9 to press downwards, at the moment, the height of the trapezoid ring groove 11 is reduced, the bottom inclined surface of the trapezoid ring groove 11 is separated from the ball 10, so that the ball 10 loses outward expansion pressure, the positioning pin 4 is conveniently pulled out of the outer hexagon bolt 12, the separation between the first die frame 1 and the second die frame 2 is further facilitated, and the quick-release structure facilitates frequent replacement between the die frames;

when the first die frame 1 and the second die frame 2 are required to be replaced, the inner hexagon bolt 3 and the outer hexagon bolt 12 are detached respectively by using tools and are arranged between the two matched die frames, so that the problem of sliding wires caused by the existing frequent replacement is avoided;

when two mould frames need to be fixed, insert locating pin 4 in locating hole 13, compression spring 6 is in the original state this moment, press briquetting 7 and make compression spring 6 compress, and briquetting 7 drives slide bar 9 decline, interval grow between ball 10 and the trapezoidal annular 11, insert locating pin 4 continuously and make ball 10 remove to locating pin 4 inner wall, thereby make locating pin 4 insert completely in locating hole 13, loosen briquetting 7, compression spring 6 kick-backs, push out briquetting 7 and slide bar 9 upwards, thereby make the bottom inclined plane guide ball 10 of trapezoidal annular 11 remove to locating pin 4 outer wall, thereby support on the inclined plane of wedge hole 14, and then realized the installation fixedly between the mould frames.

Specifically, in this embodiment, the first threaded hole 15 is formed in the first mold frame 1, the socket head cap screw 3 is in threaded connection with the first threaded hole 15, and the first threaded hole 15 facilitates the installation and the disassembly of the socket head cap screw 3.

Specifically, in this embodiment, the top end of the first mold frame 1 is provided with the first countersink 16, the first countersink 16 is communicated with the first threaded hole 15, the depth and the aperture of the first countersink 16 are both greater than the height and the outer diameter of the nut of the socket head cap bolt 3, and the first countersink 16 avoids the problem that the socket head cap bolt 3 protrudes, resulting in uneven top surface of the first mold frame 1.

Specifically, in this embodiment, the outer wall of the positioning pin 4 is provided with a plurality of holes 17, the balls 10 are located in the holes 17, the aperture of one side of the hole 17 close to the outer wall of the positioning pin 4 is smaller than the outer diameter of the balls 10, the aperture of the hole 17 close to the inner wall of the positioning pin 4 is the same as the outer diameter of the balls 10, the holes 17 facilitate the movement of the balls 10, and the balls 10 are effectively prevented from being separated from the outer wall of the positioning pin 4.

Specifically, in this embodiment, the second mold frame 2 is provided with a second threaded hole 18, and the outer hexagonal bolt 12 is screwed into the second threaded hole 18, and the second threaded hole 18 facilitates the installation and the disassembly of the outer hexagonal bolt 12.

Specifically, in this embodiment, the top end of the second mold frame 2 is provided with a second countersunk hole 19, the second countersunk hole 19 is communicated with the second threaded hole 18, the depth and the aperture of the second countersunk hole 19 are both greater than the height and the maximum outer diameter of the nut of the outer hexagonal bolt 12, the second countersunk hole 19 avoids the protrusion of the outer hexagonal bolt 12, and the tight fit between the first mold frame 1 and the second mold frame 2 is ensured.

Specifically, in this embodiment, the bottom inclined plane of the trapezoid ring groove 11 and the inclined plane of the wedge hole 14 are parallel to each other on a vertical plane, and the matching between the trapezoid ring groove 11, the inclined plane of the wedge hole 14 and the ball 10 ensures the stability of the ball 10, thereby realizing the firmness of the positioning pin 4 during insertion.

The present utility model is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present utility model and the inventive concept thereof, can be replaced or changed within the scope of the present utility model.

Claims

1. A replaceable mould frame comprising a first mould frame (1) and a second mould frame (2), characterized in that: the first die frame (1) is attached to the upper portion of the second die frame (2), a plurality of inner hexagon bolts (3) are connected with the inner threads of the first die frame (1), positioning pins (4) are arranged at the bottom ends of the inner hexagon bolts (3), first sliding holes (5) are formed in the inner hexagon bolts (3), compression springs (6) are arranged on the inner walls of the bottom ends of the first sliding holes (5), pressing blocks (7) are arranged on the compression springs (6), the pressing blocks (7) are slidably arranged in the first sliding holes (5), second sliding holes (8) are formed in the bottom ends of the first sliding holes (5), sliding rods (9) penetrate through the bottom ends of the positioning pins (4), the sliding rods (9) are located inside the compression springs (6) and are arranged on the bottom ends of the pressing blocks (7), a plurality of balls (10) are arranged on the outer walls of the sliding rods (9) in a sliding mode, a plurality of balls (11) are arranged on the outer walls of the sliding rods (9) in a sliding mode, the balls (10) are connected with the sliding rods (10) in a sliding mode, the sliding rods (9) are located in the inner grooves (12) and are located on the outer side of the positioning pins (4) in a mode, and the positioning bolts (12) are located on the outer side grooves (12) of the positioning bolts (12), wedge-shaped holes (14) are formed in the bottom ends of the positioning holes (13), and a plurality of balls (10) are all adapted to the inclined planes of the wedge-shaped holes (14).

2. A replaceable die frame as set forth in claim 1 wherein: the first die frame (1) is provided with a first threaded hole (15), and the inner hexagon bolt (3) is in threaded connection with the first threaded hole (15).

3. A replaceable die frame as set forth in claim 1 wherein: a first countersunk hole (16) is formed in the top end of the first die frame (1), the first countersunk hole (16) is communicated with the first threaded hole (15), and the depth and the aperture of the first countersunk hole (16) are larger than the height and the outer diameter of a nut of the inner hexagon bolt (3).

4. A replaceable die frame as set forth in claim 1 wherein: a plurality of holes (17) are formed in the outer wall of the locating pin (4), the balls (10) are located in the holes (17), the aperture of one side, close to the outer wall of the locating pin (4), of the holes (17) is smaller than the outer diameter of the balls (10), and the aperture of the other side, close to the inner wall of the locating pin (4), of the holes (17) is identical to the outer diameter of the balls (10).

5. A replaceable die frame as set forth in claim 1 wherein: the second die frame (2) is provided with a second threaded hole (18), and the outer hexagon bolt (12) is in threaded connection with the second threaded hole (18).

6. A replaceable die frame as set forth in claim 1 wherein: a second countersunk hole (19) is formed in the top end of the second die frame (2), the second countersunk hole (19) is communicated with the second threaded hole (18), and the depth and the aperture of the second countersunk hole (19) are both larger than the height and the maximum outer diameter of a nut of the outer hexagonal bolt (12).

7. A replaceable die frame as set forth in claim 1 wherein: the bottom inclined plane of the trapezoid ring groove (11) and the inclined plane of the wedge-shaped hole (14) are parallel to each other on a vertical plane.