Split type forming die for rubber part
By designing a split molding die for rubber parts, and using components such as pins, pull plates, and springs to achieve stable positioning of the upper die, the problem of difficult disassembly of traditional molds is solved, production efficiency and ease of cleaning are improved, and the aesthetics of the workpiece are guaranteed.
Patent Information
- Application Number
- CN202520430224.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-12
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-03-12
AI Technical Summary
Traditional rubber part molding dies have a one-piece structure, which makes disassembly difficult, making it hard to effectively clean and remove the molded parts. Moreover, existing technologies cannot solve the transmission problem and cannot meet the needs of high-efficiency production.
Design a split molding die for rubber parts, including a lower die, an upper die, a lower insert, and an upper insert. Through the combination of pins, pull plates, fixing plates, and springs, the upper die can be stably positioned and easily disassembled, facilitating cleaning and replacement of damaged parts.
It enables convenient disassembly and cleaning of molds, reduces resource waste, and improves production efficiency and the aesthetics of workpiece forming.
Smart Images
Figure CN223849837U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of mould, in particular to a split type forming mould for rubber parts. BACKGROUND
[0002] Traditional butterfly valves generally include valve plates and valve shafts and other parts, and the assembly process requirements are also relatively high. In the process of machining the valve, considering the sealing performance, some rubber parts are often machined and formed, and the rubber parts are installed in the valve to play a sealing or buffering role. The rubber parts need to use a forming mould during processing.
[0003] At present, in the forming process of rubber parts, an injection molding method is generally used. After the traditional forming mould forms multiple products, some debris will be adhered to the forming mould, and the forming mould needs to be cleaned frequently. However, the traditional mould is of an integral structure, which is troublesome to disassemble. On the one hand, it is not convenient to take out the formed rubber workpiece, and on the other hand, it is not convenient to clean the mould. CONTENT OF THE INVENTION
[0004] In view of the deficiencies of the prior art, the present application provides a split type forming mould for rubber parts, which overcomes the deficiencies of the prior art and aims to solve the problems in the background art.
[0005] In order to achieve the above-mentioned purpose, the following technical scheme is adopted in the present application: a split type forming mould for rubber parts, comprising a lower mould, the inner wall of the lower mould is provided with a mould core, the inner wall of the lower mould is attached with a lower insert block, the top of the lower mould is lapped with an upper insert block, the top of the upper insert block is provided with an upper mould, the bottom of the upper mould is fixedly assembled with two square blocks in a symmetrical manner, the top of the upper insert block is provided with two square holes in a symmetrical manner, the outer edge of the upper insert block is fixedly assembled with a circular cover, the inner wall of the circular cover is slidably connected with a latch, the outer edge of the latch is fixedly assembled with a fixed disc, one end of the fixed disc is fixedly connected with the outer side of a spring, and the other end of the spring is fixedly connected with a disc.
[0006] As a preferred embodiment, the top of the lower mould is annularly provided with a plurality of insertion holes, the bottom of the upper insert block is annularly distributed with a plurality of insertion rods, and the plurality of insertion rods are inserted into the inner walls of the plurality of insertion holes.
[0007] By adopting the above technical scheme, the upper insert block can be positioned, so that the upper insert block cannot easily deviate from the position after being installed to the top of the lower mould, and the stability of the upper insert block when the bottom of the upper insert block is attached to the lower insert block is ensured.
[0008] As a preferred embodiment, the top of the upper insert block is provided with four notches, and the four notches are annularly distributed on the outer edge of the upper insert block.
[0009] By adopting the technical scheme, the upper mold can be removed from the top of the upper insert by the hand after the molding is completed, and the hand can be conveniently forced.
[0010] As a preferred embodiment, the outer end of the plug pin is fixedly provided with a pull plate, and the fixing disc is slidingly connected to the inner wall of the circular cover.
[0011] By adopting the technical scheme, the user can pull the plug pin by hand to move the end away from the pull plate, and the hand can be conveniently forced.
[0012] As a preferred embodiment, the inner wall of the disc is provided with a circular hole matched with the diameter of the plug pin, the plug pin is slidingly connected to the inner wall of the circular hole, and the plug pin is arranged in the inner wall of the spring.
[0013] By adopting the technical scheme, the disc can limit the spring, so that the spring does not rub against the inner wall of the circular cover when subjected to force.
[0014] As a preferred embodiment, the two blocks are inserted into the inner walls of the two square holes, and the sizes of the two blocks are matched with the sizes of the inner walls of the two square holes.
[0015] By adopting the technical scheme, the blocks can be stably inserted into the inner walls of the square holes, so that the upper mold can be stably positioned on the top of the upper insert, the upper mold will not move upward when subjected to the impact of rubber during operation of the device, and the appearance of the workpiece after molding is guaranteed.
[0016] As a preferred embodiment, the outer edge of the circular cover is provided with a through hole, and the through hole penetrates the circular cover to the inner walls of the upper insert and the blocks, and the plug pin is slidingly connected to the inner wall of the through hole.
[0017] By adopting the technical scheme, the end of the plug pin away from the pull plate can be inserted into the inner wall of the block, so that the block can be stably positioned in the inner wall of the square hole, and the upper mold will not be separated from the top of the upper insert during operation of the device.
[0018] As a preferred embodiment, the number of the circular cover, the plug pin, the pull plate, the fixing disc, the spring and the disc is two, and the two circular covers, the plug pins, the pull plates, the fixing discs, the springs and the discs are symmetrically arranged on both sides of the upper insert.
[0019] By adopting the technical scheme, the two blocks can be positioned from two different directions, so that the two blocks can be stably positioned in the inner walls of the square holes, and the upper mold can be further positioned.
[0020] The beneficial effects of the present application are as follows:
[0021] 1. The rubber part split type forming die, by setting lower die, mold core, lower insert block, upper insert block make the former traditional whole die into detachable, this design can be convenient to take out the formed rubber workpiece, also convenient daily cleaning and maintenance, and wherein there is a single part damage and defects when no need to replace the whole, can be individually replaced damaged parts, without the whole scrap processing, reduce the loss of resources.
[0022] 2. The rubber part split type forming die, by inserting the two blocks at the bottom of the upper die into the inner wall of the two square holes, then the pull plate can be loosened, and the insertion pin is inserted into the inner wall of the block away from the one end of the pull plate under the action of the spring force, thereby positioning the block and the upper die, ensuring that the upper die does not move upward when the device is working and ensuring the beauty of the workpiece forming. BRIEF DESCRIPTION OF DRAWINGS
[0023] Figure 1 is a schematic view of the three-dimensional structure of the present application;
[0024] Figure 2 is a schematic view of the local structure of the present application;
[0025] Figure 3 is a schematic view of the cross-sectional structure of the present application;
[0026] Figure 4 is a schematic view of the expanded structure of the present application;
[0027] Figure 5 is a schematic view of the insertion rod structure of the present application;
[0028] Figure 6 is a schematic view of the Figure 5 enlarged structure of A in the present application.
[0029] Reference numeral in the figure: 1, lower die; 2, mold core; 3, lower insert block; 4, upper insert block; 5, slot; 6, insertion hole; 7, insertion rod; 8, upper die; 9, square hole; 10, block; 11, round cover; 12, insertion pin; 13, pull plate; 14, fixed disc; 15, spring; 16, disc. DETAILED DESCRIPTION
[0030] The technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments.
[0031] Referring to Figures 1-6The utility model provides a rubber piece split type forming die, including lower mould 1, the inner wall of lower mould 1 is equipped with mould core 2, the inner wall of lower mould 1 is fitted with lower insert 3, the top of lower mould 1 is overlapped with upper insert 4, the top of upper insert 4 is equipped with upper mould 8, the bottom of upper mould 8 is fixedly equipped with two square blocks 10, the top of upper insert 4 is equipped with two square holes 9, the outer edge of upper insert 4 is fixedly equipped with round cover 11, the inner wall of round cover 11 is slidably connected with latch 12, the outer edge of latch 12 is fixedly equipped with fixed disc 14, one end of spring 15 is fixedly connected with the outer side of fixed disc 14, and the other end of spring 15 is fixedly connected with disc 16.
[0032] Referring to Figure 3 and Figure 4 , the top of lower mould 1 is annularly provided with a plurality of insertion holes 6, and the bottom of upper insert 4 is annularly distributed with a plurality of insertion rods 7, and the plurality of insertion rods 7 are inserted into the inner walls of the plurality of insertion holes 6, so that the upper insert 4 can be positioned, and thus the stability of the upper insert 4 when being fitted to the top of the lower mould 1 can be ensured.
[0033] Referring to Figure 2 and Figure 3 , the top of the upper insert 4 is provided with four notches 5, which are annularly distributed on the outer edge of the upper insert 4, so that the upper mould 8 can be easily removed from the top of the upper insert 4 after forming, and the hand force can be easily applied.
[0034] Referring to Figure 6 , the outer side of the latch 12 is fixedly equipped with a pull plate 13, and the fixed disc 14 is slidably connected to the inner wall of the round cover 11, so that the user can easily pull the latch 12 away from the pull plate 13 with his hand, and the hand force can be easily applied.
[0035] Referring to Figure 6 , the inner wall of the disc 16 is provided with a circular hole matching the diameter of the latch 12, and the latch 12 is slidably connected to the inner wall of the circular hole, and the latch 12 is inserted into the inner wall of the spring 15, so that the disc 16 can limit the spring 15, and the spring 15 will not rub against the inner wall of the round cover 11 when being stressed.
[0036] Referring to Figure 4 and Figure 6 , the two square blocks 10 are inserted into the inner walls of the two square holes 9, and the sizes of the two square blocks 10 are matched with the sizes of the inner walls of the two square holes 9, so that the square blocks 10 can be stably inserted into the inner walls of the square holes 9, and thus the upper mould 8 can be stably positioned on the top of the upper insert 4, the upper mould 8 will not move upward when being impacted by rubber during operation of the device, and the appearance of the workpiece after forming is ensured.
[0037] Referring toFigure 6 The outer edge of the circular cover 11 is provided with a through hole which penetrates the circular cover 11 to the inner wall of the upper insert block 4 and the square block 10. The latch 12 is slidingly connected to the inner wall of the through hole, so that the end of the latch 12 away from the pull plate 13 can be inserted into the inner wall of the square block 10, thereby stably positioning the square block 10 on the inner wall of the square hole 9, ensuring that the upper mold 8 does not separate from the top of the upper insert block 4 during operation of the device.
[0038] Referring to Figure 6 The number of circular covers 11, latches 12, pull plates 13, fixed discs 14, springs 15 and discs 16 is two, and the two circular covers 11, latches 12, pull plates 13, fixed discs 14, springs 15 and discs 16 are symmetrically arranged on both sides of the upper insert block 4, so that the two square blocks 10 can be positioned from two different directions, thereby ensuring that the two square blocks 10 can be stably positioned on the inner wall of the square hole 9, and further positioning the upper mold 8.
[0039] Working principle: when using the device, first, liquid can be poured into the inner cavity of the lower mold 1 through the upper mold 8, and then flows to the top of the mold core 2 for positioning and forming through the gap between the lower insert block 3 and the upper insert block 4. After forming, the end of the latch 12 away from the pull plate 13 can be pulled by hand to move until the latch 12 is separated from the inner wall of the square block 10, and then the upper mold 8 can be lifted by the notch 5 until the square block 10 at the bottom of the upper mold 8 is separated from the inner wall of the square hole 9, and then the formed workpiece can be taken out to the outside, and the upper insert block 4 can be taken out to the outside, and then the lower insert block 3 can be taken out to the outside, thereby facilitating cleaning and maintenance of the lower insert block 3 and the upper insert block 4, avoiding the problem that the traditional mold is not convenient to disassemble to take out the formed workpiece and parts to the outside for cleaning. After cleaning, the lower insert block 3 and the upper insert block 4 are installed in sequence on the inner wall of the lower mold 1, and then the pull plate 13 is pulled to move the latch 12 away from the inner wall of the square hole 9, and then the upper mold 8 is taken to insert the two square blocks 10 at the bottom of the upper mold 8 into the inner wall of the two square holes 9, and then the pull plate 13 is released to insert the end of the latch 12 away from the pull plate 13 into the inner wall of the square block 10 by the action force of the spring 15, thereby positioning the square block 10 and the upper mold 8, ensuring that the upper mold 8 does not move upward when the device is operated, and ensuring the appearance of the formed workpiece.
[0040] In the description of the utility model, it is necessary to explain that, the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate the position relation or position relation based on the position or position relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.
[0041] In the description of the utility model, it is necessary to explain that, unless otherwise expressly provided and limited, the terms "mounting", "provided with", "connection" and the like should be broadly understood, for example, "connection" can be fixed connection, can also be detachable connection, or integral connection; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific situation.
[0042] The utility model has been described above in combination with specific embodiments, but those skilled in the art should understand that these descriptions are exemplary, and are not a limitation on the protection scope of the utility model. Those skilled in the art can make various modifications and modifications to the utility model according to the spirit and principles of the utility model, and these modifications and modifications are also within the scope of the utility model.
Claims
1. A split mold for molding a rubber member, comprising a lower mold (1), characterized in that, The inner wall of the lower mold (1) is provided with a mold core (2), the inner wall of the lower mold (1) is provided with a lower insert block (3), the top of the lower mold (1) is overlapped with an upper insert block (4), the top of the upper insert block (4) is provided with an upper mold (8), the bottom of the upper mold (8) is symmetrically provided with two square blocks (10), the top of the upper insert block (4) is symmetrically provided with two square holes (9), the outer edge of the upper insert block (4) is fixedly provided with a circular cover (11), the inner wall of the circular cover (11) is slidably connected with a latch (12), the outer edge of the latch (12) is fixedly provided with a fixed disc (14), one end of the fixed disc (14) is fixedly connected with a spring (15), and the other end of the spring (15) is fixedly connected with a disc (16).
2. The split mold for forming a rubber member according to claim 1, wherein The top of the lower mold (1) is annularly provided with a plurality of insertion holes (6), the bottom of the upper insert block (4) is annularly provided with a plurality of insertion rods (7), and the plurality of insertion rods (7) are inserted into the inner wall of the plurality of insertion holes (6).
3. The split mold for molding a rubber member according to claim 1, wherein The top of the upper insert block (4) is provided with four notches (5), and the four notches (5) are annularly distributed on the outer edge of the upper insert block (4).
4. The split mold for forming a rubber member according to claim 1, wherein The outer side of the latch (12) is fixedly provided with a pull plate (13), and the fixed disc (14) is slidably connected to the inner wall of the circular cover (11).
5. The split mold for forming a rubber member according to claim 1, wherein The inner wall of the disc (16) is provided with a circular hole matched in diameter with the latch (12), the latch (12) is slidably connected to the inner wall of the circular hole, and the latch (12) penetrates the inner wall of the spring (15).
6. The split mold for forming a rubber member according to claim 1, wherein The two square blocks (10) are inserted into the inner wall of the two square holes (9), and the size of the two square blocks (10) is matched with the size of the inner wall of the two square holes (9).
7. The split mold for molding a rubber member according to claim 1, wherein The outer edge of the circular cover (11) is provided with a through hole, and the through hole penetrates the circular cover (11) to the inner wall of the upper insert block (4) and the square block (10), and the latch (12) is slidably connected to the inner wall of the through hole.
8. The split mold for molding a rubber member according to claim 1, wherein The number of the circular cover (11), the latch (12), the pull plate (13), the fixed disc (14), the spring (15) and the disc (16) is two, and the two circular covers (11), the latches (12), the pull plates (13), the fixed discs (14), the springs (15) and the discs (16) are symmetrically arranged on both sides of the upper insert block (4).