Mold base convenient to disassemble, assemble and replace

Abstract

The utility model relates to a mould base convenient to disassemble and replace in the mould base field, which comprises an upper mould base and a lower mould base, the periphery of the lower mould base is in threaded connection with guide posts, the top ends of the guide posts penetrate through the bottom of the upper mould base and extend upwards, and the surfaces of the guide posts are uniformly provided with limiting holes. The periphery of the upper surface of the upper die base is connected with a connecting base in a sliding mode, the left side and the right side of the connecting base are additionally provided with a limiting column and an extrusion spring respectively, the end of the extrusion spring is attached to the inner wall of the upper die base, and the limiting column is connected with the limiting hole in an inserted mode. After the upper die base is attached to the lower die base along the guide columns, the extrusion springs drive the connecting bases to move towards the guide columns on the inner wall of the upper die base, the connecting bases drive the limiting columns to be inserted into the limiting holes of the guide columns for connection operation, the upper die base is connected with the guide columns, the use stability is guaranteed, and the service life of the upper die base is prolonged. And disassembly, assembly, use and operation are facilitated.

Description

Technical Field

[0001] This utility model relates to the field of mold blanks, specifically to a mold blank that is easy to disassemble and replace. Background Technology

[0002] The mold blank, also known as the mold base, is the skeleton of the entire mold. It plays a crucial role in mold manufacturing; the structure of the mold blank must be considered in the fabrication of all mold components. The main functions of the mold blank are: 1. Fixing the molding core: The mold blank is used to fix the molding core, ensuring its accurate position within the mold; 2. Ensuring proper fit: The mold blank ensures precise fit between various mold components, guaranteeing the overall performance of the mold; 3. Completing the mold parting process: In injection molding and other molding processes, the mold blank helps the mold smoothly complete the parting process, achieving product molding and demolding. In the injection mold manufacturing industry, the efficiency of mold blank assembly and disassembly directly affects the operation and maintenance costs of the production line.

[0003] The mold blanks are mostly fixed by bolts or integral welding. When changing to different mold models, a lot of time is spent disassembling and reassembling dozens of bolts. This repeated disassembly and reassembly of dozens of bolts not only aggravates thread wear but also leads to a decrease in positioning accuracy. Moreover, the existing mold blanks are connected by multiple bolts. During the bolt tightening and disassembly process, the threads are subjected to repeated shear and tensile forces. This stress mode easily leads to thread wear. After the threads wear, the tightening force of the bolts will decrease, and they may even become loose. Utility Model Content

[0004] The purpose of this utility model is to solve the above defects and provide a mold blank that is easy to disassemble and replace. It adopts a plug-in connection method, which eliminates the need for bolts, thereby making the mold blank easy to disassemble and replace and ensuring connection stability. It solves the technical problem of loosening caused by increased thread wear during the tightening and disassembly of multiple sets of bolts in the prior art.

[0005] The objective of this utility model is achieved through the following means:

[0006] A mold blank that is easy to disassemble and replace includes an upper mold base and a lower mold base. The lower mold base is placed below the upper mold base. Guide posts are threaded around the lower mold base, and the top of each guide post extends upward through the bottom of the upper mold base. Limiting holes are evenly opened on the surface of the guide posts. Connecting seats are slidably connected around the upper surface of the upper mold base. Limiting posts and compression springs are respectively added to the left and right sides of the connecting seats. The end of the compression spring is in contact with the inner wall of the upper mold base. The limiting posts are inserted into the limiting holes. After the upper mold base is fitted together with the lower mold base along the guide post, the compression spring on the inner wall of the upper mold base drives the connecting seat to move towards the guide post, so that the connecting seat drives the limiting post to be inserted into the limiting hole of the guide post for connection. On the one hand, connecting the upper mold base and the guide post not only ensures the stability of use, but also facilitates disassembly and assembly operations; on the other hand, the guide post has multiple sets of limiting holes, and the distance between adjacent limiting holes is consistent, so it can be used for connection operations of different models of upper and lower mold bases within a certain range.

[0007] Furthermore, positioning posts are evenly installed around the lower surface of the upper mold base, and positioning holes are evenly opened around the upper surface of the lower mold base.

[0008] The upper mold base and the lower mold base can be connected through positioning pins and positioning holes.

[0009] Furthermore, there are eight sets of positioning posts and eight sets of positioning holes, and the positions and shapes of the positioning posts and positioning holes correspond to each other.

[0010] When the upper mold base and the lower mold base are connected, the positioning pin is inserted into the positioning hole, thereby enabling the upper mold base and the lower mold base to be accurately positioned.

[0011] Furthermore, threaded holes are provided around the lower mold base, and threaded rods are threadedly connected to the inner cavities of the threaded holes, and the threaded rods are connected to the guide posts.

[0012] The guide post is connected to the lower mold base by threaded rod and threaded hole, which facilitates the assembly and disassembly of the guide post.

[0013] Furthermore, the upper surface of the upper mold base is provided with inlet and outlet grooves around all four sides, and inlet and outlet grooves and limiting grooves are respectively provided on the left and right sides of the inlet and outlet grooves, and grooves are provided on the inner walls of the inlet and outlet grooves.

[0014] The inlet / outlet groove, the limiting groove, and the recess are interconnected.

[0015] Furthermore, each of the grooves has a connecting plate inserted into its inner cavity, and the connecting plate is connected to the compression spring. Limiting rails are installed on the lower surface of the connecting seat. The limiting rails are slidably connected to the inlet / outlet groove and the limiting groove, and the compression spring is tightly fitted to the limiting rail.

[0016] The compression spring drives the connecting seat to move outward on the connecting plate, while the connecting seat drives the limiting rail to enter the interior of the limiting groove along the inlet and outlet groove. This not only prevents the connecting seat from being misaligned during movement, but also separates the connecting plate and its connecting structure from the upper mold base at the inlet and outlet groove. This allows the connecting plate and its connecting structure to be reused and reduces usage costs.

[0017] The beneficial effects of this utility model are as follows: when the upper mold base is attached to the lower mold base along the guide post, the compression spring on the inner wall of the upper mold base drives the connecting seat to move toward the guide post, so that the connecting seat drives the limiting post to be inserted into the limiting hole of the guide post for connection operation, connecting the upper mold base and the guide post. This not only ensures the stability of use, but also facilitates disassembly and assembly operations. At the same time, there are multiple sets of limiting holes on the guide post, and the distance between adjacent limiting holes is consistent, so it can be used for connection operations of different models of upper mold bases and lower mold bases within a certain range. Attached Figure Description

[0018] Figure 1 This is a three-dimensional structural diagram of a mold blank that is easy to disassemble and replace according to this utility model;

[0019] Figure 2 This is a schematic diagram illustrating the separation of the upper and lower mold bases, which are designed for easy disassembly and replacement according to this utility model.

[0020] Figure 3 This is a cross-sectional view of an upper mold base that is easy to disassemble and replace according to this utility model;

[0021] Figure 4 This is a schematic diagram illustrating the separation of the connecting plate and the upper mold base, which facilitates disassembly and replacement according to this utility model.

[0022] In the figure, 1-upper mold base, 2-lower mold base, 3-positioning pin, 4-positioning hole, 5-threaded hole, 6-threaded rod, 7-guide pin, 8-limiting hole, 9-inlet / outlet groove, 10-limiting groove, 11-groove, 12-connecting plate, 13-compression spring, 14-connecting seat, 15-limiting rail, 16-limiting pin. Detailed Implementation

[0023] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0024] In this embodiment, refer to Figures 1-4The specific implementation of the mold blank, which is easy to disassemble and replace, includes an upper mold base 1 and a lower mold base 2. The lower mold base 2 is placed at the lower part of the upper mold base 1. Guide posts 7 are threadedly connected around the lower mold base 2, and the top of each guide post 7 extends upward through the bottom of the upper mold base 1. Limiting holes 8 are evenly opened on the surface of the guide post 7. Connecting seats 14 are slidably connected around the upper surface of the upper mold base 1. Limiting posts 16 and compression springs 13 are respectively added to the left and right sides of the connecting seats 14. The end of the compression spring 13 is in contact with the inner wall of the upper mold base 1, and the limiting posts 16 are inserted into the limiting holes 8. When the upper mold base 1 is attached to the lower mold base 2 along the guide post 7, the compression spring 13 drives the connecting seat 14 to move toward the guide post 7 on the inner wall of the upper mold base 1. This causes the connecting seat 14 to drive the limiting post 16 to be inserted into the limiting hole 8 of the guide post 7 for connection. On the one hand, connecting the upper mold base 1 and the guide post 7 not only ensures the stability of use, but also facilitates disassembly and assembly. On the other hand, the guide post 7 has multiple sets of limiting holes 8, and the distance between adjacent limiting holes 8 is consistent, so it can be used to connect different models of upper mold base 1 and lower mold base 2 within a certain range.

[0025] As shown in the figure, positioning pins 3 are evenly installed around the lower surface of the upper mold base 1, and positioning holes 4 are evenly opened around the upper surface of the lower mold base 2. The upper mold base 1 and the lower mold base 2 can be connected through the positioning pins 3 and positioning holes 4. There are eight sets of positioning pins 3 and eight sets of positioning holes 4, and the positions and shapes of the positioning pins 3 and positioning holes 4 correspond to each other. When the upper mold base 1 and the lower mold base 2 are connected, the positioning pins 3 are inserted into the interior of the positioning holes 4, thereby enabling the upper mold base 1 and the lower mold base 2 to be accurately positioned.

[0026] like Figure 2 As shown, threaded holes 5 are provided around the lower mold base 2, and threaded rods 6 are threadedly connected to the inner cavities of the threaded holes 5, and the threaded rods 6 are connected to the guide posts 7. The threaded connection between the threaded rods 6 and the threaded holes 5 enables the guide posts 7 to be connected to the lower mold base 2, thereby facilitating the assembly and disassembly of the guide posts 7.

[0027] like Figure 4As shown, the upper surface of the upper mold base 1 is provided with inlet / outlet grooves 9 all around, and inlet / outlet grooves 9 and limiting grooves 10 are respectively provided on the left and right sides of the inlet / outlet grooves 9, and grooves 11 are provided on the inner walls of the inlet / outlet grooves 9. The inlet / outlet grooves 9, limiting grooves 10 and grooves 11 are connected to each other. A connecting plate 12 is inserted into the inner cavity of each groove 11, and the connecting plate 12 is connected to the compression spring 13. Limiting rails 15 are installed on the lower surface of the connecting base 14. The limiting rails 15 are slidably connected to the inlet / outlet grooves 9 and limiting grooves 10, and the compression spring 13 is tightly fitted with the limiting rails 15. The compression spring 13 drives the connecting seat 14 to move outward on the connecting plate 12, and the connecting seat 14 drives the limiting rail 15 to enter the interior of the limiting groove 10 along the inlet and outlet groove 9. This not only prevents the connecting seat 14 from being misaligned during movement, but also separates the connecting plate 12 and its connecting structure from the upper mold base 1 at the inlet and outlet groove 9. This allows the connecting plate 12 and its connecting structure to be reused and reduces the cost of use.

[0028] The working process of a mold blank that is easy to disassemble and replace in this embodiment is as follows: After the upper mold base 1 is attached to the lower mold base 2 along the guide post 7, the positioning post 3 is inserted into the positioning hole 4. The compression spring 13 drives the connecting seat 14 to move outward on the connecting plate 12. The connecting seat 14 drives the limiting rail 15 to enter the limiting groove 10 along the inlet and outlet groove 9, so that the connecting seat 14 drives the limiting post 16 to be inserted into the limiting hole 8 of the guide post 7 for connection operation. The guide post 7 is connected to the lower mold base 2 by the threaded rod 6 and the threaded hole 5.

[0029] The above description, in conjunction with specific preferred embodiments, provides a further detailed explanation of the present invention. It should not be construed that the specific implementation of the present invention is limited to these descriptions. For those skilled in the art, various simple deductions or substitutions can be made without departing from the concept of the present invention, and all such modifications and substitutions should be considered within the scope of protection of the present invention.

Claims

1. A mold blank that is easy to disassemble and replace, comprising an upper mold base and a lower mold base, wherein the lower mold base is placed below the upper mold base, characterized in that: Guide pillars are threaded around the lower mold base, and the top of each guide pillar extends upward through the bottom of the upper mold base. Limiting holes are evenly opened on the surface of the guide pillars. Connecting seats are slidably connected around the upper surface of the upper mold base, and limiting pillars and compression springs are respectively added to the left and right sides of the connecting seats. The end of the compression spring is in contact with the inner wall of the upper mold base, and the limiting pillars are inserted into the limiting holes.

2. The mold blank that is easy to disassemble and replace according to claim 1, characterized in that: The lower surface of the upper mold base is uniformly equipped with positioning posts around its perimeter, and the upper surface of the lower mold base is uniformly provided with positioning holes around its perimeter.

3. The mold blank that is easy to disassemble and replace according to claim 2, characterized in that: The number of positioning posts and positioning holes is eight sets each, and the positions and shapes of the positioning posts and positioning holes correspond to each other.

4. The mold blank that is easy to disassemble and replace according to claim 1, characterized in that: The lower mold base has threaded holes around its perimeter, and threaded rods are threadedly connected to the inner cavities of the threaded holes, with the threaded rods connected to the guide posts.

5. The mold blank that is easy to disassemble and replace according to claim 1, characterized in that: The upper surface of the upper mold base is provided with inlet and outlet grooves around all four sides, and inlet and outlet grooves and limiting grooves are respectively provided on the left and right sides of the inlet and outlet grooves, and grooves are provided on the inner wall of the inlet and outlet grooves.

6. The mold blank that is easy to disassemble and replace according to claim 5, characterized in that: Each groove has a connecting plate inserted into its inner cavity, and the connecting plate is connected to the compression spring. Each groove has a limit rail installed on its lower surface. The limit rail is slidably connected to the inlet / outlet groove and the limit groove, and the compression spring is tightly fitted to the limit rail.

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