Die mechanism

By designing the inclined and side grooves in the mold mechanism, the problems of high manufacturing cost and large space occupation of mold equipment are solved, achieving efficient demolding and low-cost mold product production.

CN224028273UActive Publication Date: 2026-03-24DONGGUAN MOLDBAO INTELLIGENT TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-27
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

Existing mold equipment is expensive to manufacture and occupies a lot of space. Especially when casting plastic products with bending parts, the design of the slanted ejector pin, slanted ejector seat and ejector plate increases the number of parts and space requirements.

Method used

The mold mechanism design includes a mold core block, a first mold block, a first sliding block, a second sliding block, and a first inclined ejector. Through the cooperation of the inclined groove and the side groove, the molded product can be closed and opened, reducing the number of parts, reducing manufacturing costs, and saving space.

Benefits of technology

It achieves efficient demolding of molded products, reduces the number of parts, lowers manufacturing costs and saves space, while improving ease of use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of molds, and particularly relates to a mold mechanism which comprises a mold core block, a first mold block, a first slide block, a second slide block and a first inclined ejection piece, the first mold block is mounted on the mold core block; the first inclined ejection piece comprises a first inclined ejection block and a first side block connected with the side edge of the first inclined ejection block; a first inclined groove and a first side groove communicated with the first inclined groove are formed in the mold core block, a second inclined groove is formed in the first slide block, and a second side groove is formed in the second slide block; and when the first slide block and the second slide block are subjected to mold opening, the second inclined groove drives the first inclined ejector block to move in the first inclined groove in the direction away from the first mold block, and the first side block moves in the first side groove in the direction away from the first mold block. The mold mechanism has the advantages of fewer parts, low manufacturing cost, small occupied space and convenience in use.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to mould technical field, especially, a kind of mould mechanism. BACKGROUND

[0002] Casting is that liquid metal is cast into casting cavity corresponding to the shape of part, after it cools and solidifies, to obtain the method of part or blank. Injection mold as a kind of tool for producing plastic products, can give plastic products complete structure and accurate size. For some plastic products with bending part, ordinary mold cannot realize demolding step, leading to product cannot be normally formed;First inclined ejector pin block is needed to be set, the bottom of inclined ejector rod is slidably installed on inclined ejector seat, inclined ejector seat is installed on ejector pin plate, ejector pin plate drives the ejector pin on it to eject first mold product in first mold cavity, at the same time, inclined ejector rod is separated from first mold product, thereby completing the work of demolding. However, the design of inclined ejector rod, inclined ejector seat and ejector pin plate increases the number of parts of mold equipment, increases the manufacturing cost and occupies space of mold equipment. SUMMARY

[0003] The utility model embodiment provides a kind of mould mechanism, to solve the technical problem of high manufacturing cost and large space occupation of mould equipment in prior art.

[0004] An embodiment of the utility model provides a kind of mould mechanism, including die block, first mold block, first line position block, second line position block and first inclined ejector pin piece;The first mold block is installed on the die block, and the first line position block and the second line position block are slidably installed on the opposite sides of the die block respectively;The first inclined ejector pin piece includes first inclined ejector pin block and first side block connected with the side of the first inclined ejector pin block;

[0005] First inclined groove and first side groove communicating with the first inclined groove are equipped on the die block, second inclined groove is equipped on the first line position block, and second side groove is equipped on the second line position block;The width of the first inclined groove is greater than the width of the second inclined groove;

[0006] When the first line position block and the second line position block are closed, the first inclined ejector pin block is located in the first inclined groove and the second inclined groove, the first side block is located in the first side groove and the second side groove, and the first model cavity for casting first mold product is surrounded between the first line position block, the second line position block and the first mold block;

[0007] When the first line position block and the second line position block are opened, the second inclined groove drives the first inclined ejector pin block to move in the first inclined groove towards the direction away from the first mold block, and the first side block moves in the first side groove towards the direction away from the first mold block.

[0008] Optionally, the first inclined top block is in interference fit with the second inclined groove.

[0009] Optionally, the moving direction of the first and second row blocks on the die block is perpendicular to the moving direction of the first inclined top piece in the first inclined groove and the first side groove.

[0010] Optionally, the first row block is provided with a first side groove on one side facing the second row block, and the second row block is provided with a second side groove on one side facing the first row block.

[0011] When the first and second row blocks are closed, the first and second side grooves enclose a first mold cavity, and the first mold block is located in the first mold cavity.

[0012] Optionally, the first side block is provided with a mold plug on one end facing away from the first inclined top block.

[0013] When the first and second row blocks are closed, the mold plug abuts against the first mold block to manufacture a side hole of a first mold product.

[0014] Optionally, the first row block is provided with a first inclined hole, and the second row block is provided with a second inclined hole, and the mold mechanism further comprises a first driving rod and a second driving rod.

[0015] The first driving rod is inserted into or withdrawn from the first inclined hole to drive the first row block to move on the die block.

[0016] The second driving rod is inserted into or withdrawn from the second inclined hole to drive the second row block to move on the die block.

[0017] Optionally, the die block is provided with a through hole, the first mold block comprises a seat body and a die body connected to the seat body, the seat body is installed on the bottom surface of the die block, and the die body protrudes above the top surface of the die block through the through hole.

[0018] Optionally, the mold mechanism further comprises a second inclined top piece and a second mold block installed on the die block, the second inclined top piece comprises a second inclined top block and a second side block connected to the side edges of the second inclined top block.

[0019] The die block is provided with a third inclined groove and a third side groove communicating with the third inclined groove, the second row block is provided with a fourth inclined groove, and the first row block is provided with a fourth side groove; the width of the third inclined groove is greater than that of the fourth inclined groove.

[0020] When the first row block and the second row block are closed, the second inclined block is located in the third inclined groove and the fourth inclined groove, the second side block is located in the third side groove and the fourth side groove, and the second mold cavity is formed between the first row block, the second row block and the second mold block, and the second mold cavity is used for casting a second mold product.

[0021] When the first row block and the second row block are opened, the fourth inclined groove drives the second inclined block to move in the third inclined groove away from the second mold block, and the second side block moves in the third side groove away from the second mold block.

[0022] In the utility model, the width of the first inclined groove is greater than the width of the first inclined block, the width of the second inclined groove is equal to the width of the first inclined block, and the first inclined block is in interference fit with the second inclined groove; when the first row block and the second row block are close to each other to the closed state, the second inclined groove will drive the first inclined block to move in the direction of approaching the first mold block until the first side block abuts against the first mold block, and the first row block, the second row block and the first mold block are provided with the first mold cavity for casting a first mold product. When the first row block and the second row block are away from each other to the open state, the second inclined groove will drive the first inclined block to move in the direction of moving away from the first mold block until the first side block is away from the first mold block, and the first row block, the second row block are separated from the first mold block, and the first mold product is sleeved on the first mold block, and the first mold product can be taken off from the first mold block. In the embodiment, the mold mechanism has fewer parts, low manufacturing cost, small occupied space and convenient use. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical scheme of the utility model embodiment, the following will briefly introduce the drawings needed to be used in the description of the utility model embodiment, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without creative labor.

[0024] Figure 1 It is the structure schematic view of the mold mechanism in the closed state provided by an embodiment of the utility model;

[0025] Figure 2 It is the structure schematic view of the mold mechanism in the open state provided by an embodiment of the utility model;

[0026] Figure 3 It is the partial structure schematic view of the mold mechanism provided by an embodiment of the utility model;

[0027] Figure 4 is a structure schematic view of the first row block of the mold mechanism provided by an embodiment of the utility model;

[0028] Figure 5 is a structure schematic view of the second row block of the mold mechanism provided by an embodiment of the utility model;

[0029] Figure 6 is a structure schematic view of the first inclined ejector of the mold mechanism provided by an embodiment of the utility model;

[0030] Figure 7 is a structure schematic view of the first mold block of the mold mechanism provided by an embodiment of the utility model;

[0031] Figure 8 is a structure schematic view of the first mold product provided by an embodiment of the utility model.

[0032] The reference signs in the specification are as follows:

[0033] 1, mold core block;11, first inclined groove;12, first side groove;13, third inclined groove;14, third side groove;2, first mold block;21, seat body;22, mold body;3, first row block;31, second inclined groove;32, first model side groove;33, first inclined hole;34, fourth side groove;4, second row block;41, second side groove;42, second model side groove;43, second inclined hole;44, fourth inclined groove;5, first inclined ejector;51, first inclined ejector block;52, first side block;53, model plug-in block;6, first drive rod;7, second drive rod;8, second inclined ejector;9, second mold block;10, first mold product;101, side hole;20, second mold product. DETAILED DESCRIPTION

[0034] In order to make the technical problems, technical schemes and beneficial effects solved by the utility model more clearly understood, the utility model is further described in detail below by combining with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model, and are not used to limit the utility model.

[0035] In the description of this utility model, it should be understood that the terms "longitudinal," "radial," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0036] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0037] like Figure 1 As shown, one embodiment of this utility model provides a mold mechanism, including a mold core block 1, a first mold block 2, a first sliding block 3, a second sliding block 4, and a first inclined ejector 5; the first mold block 2 is mounted on the mold core block 1, and the first sliding block 3 and the second sliding block 4 are respectively slidably mounted on opposite sides of the mold core block 1; the first inclined ejector 5 includes a first inclined ejector block 51 and a first side block 52 connecting the side of the first inclined ejector block 51; optionally, the first inclined ejector block 51 and the first side block 52 are integrally formed, and one or two first inclined ejectors 5 can be provided according to actual needs; the first sliding block 3 and the second sliding block 4 can be far apart from each other or close to each other.

[0038] The mold core block 1 is provided with a first inclined groove 11 and a first side groove 12 communicating with the first inclined groove 11. The first row block 3 is provided with a second inclined groove 31, and the second row block 4 is provided with a second side groove 41. The width of the first inclined groove 11 is greater than the width of the second inclined groove 31. Understandably, the openings of the first inclined groove 11 and the first side groove 12 are both facing upward, and the openings of the second inclined groove 31 and the second side groove 41 are both facing downward.

[0039] When the first row block 3 and the second row block 4 are closed, the first inclined block 51 is located in the first inclined groove 11 and the second inclined groove 31, and the first side block 52 is located in the first side groove 12 and the second side groove 41, and a first model cavity for casting the first mold product 10 is formed between the first row block 3, the second row block 4 and the first mold block 2. It can be understood that when the mold mechanism is in the closed state, the first row block 3 and the second row block 4 are enclosed on the opposite sides of the first mold block 2, and the first mold product 10 is formed after the casting material solidifies in the first model cavity.

[0040] When the first row block 3 and the second row block 4 are opened, the second inclined groove 31 drives the first inclined block 51 to move in the first inclined groove 11 away from the first mold block 2, and the first side block 52 moves in the first side groove 12 away from the first mold block 2. It can be understood that when the mold mechanism is in the open state, the first row block 3 and the second row block 4 are separated from the first mold block 2, the first mold product 10 is sleeved on the first mold block 2, and the first side block 52 is also separated from the first mold product 10.

[0041] In the utility model, the width of the first inclined groove 11 is greater than the width of the first inclined block 51, the width of the second inclined groove 31 is equal to the width of the first inclined block 51, and the first inclined block 51 is in interference fit with the second inclined groove 31. When the first row block 3 and the second row block 4 are close to each other to the closed state, the second inclined groove 31 drives the first inclined block 51 to move towards the first mold block 1 until the first side block 52 abuts against the first mold block 2, and a first model cavity for casting the first mold product 10 is formed between the first row block 3, the second row block 4 and the first mold block 2. When the first row block 3 and the second row block 4 are away from each other to the open state, the second inclined groove 31 drives the first inclined block 51 to move away from the first mold block 1 until the first side block 52 is away from the first mold block 2, and the first row block 3 and the second row block 4 are separated from the first mold block 2, and the first mold product 10 is sleeved on the first mold block 2, so that the first mold product 10 can be removed from the first mold block 2. In the embodiment, the mold mechanism has fewer parts, low manufacturing cost, small space occupation and convenient use.

[0042] In an embodiment, as shown in Figure 3 and Figure 4As shown, the first inclined block 51 is in interference fit with the second inclined groove 31. It can be understood that the second inclined groove 31 is inclined and in interference fit with the first inclined block 51, so that the movement of the first row block 3 will drive the first inclined block 5 to move left and right in the first inclined groove 11 and the first side groove 12 through the second inclined groove 31.

[0043] In an embodiment, as shown in Figure 1 and Figure 2 , the moving direction of the first row block 3 and the second row block 4 on the mold block 1 is perpendicular to the moving direction of the first inclined block 5 in the first inclined groove 11 and the first side groove 12. It can be understood that the first row block 3 and the second row block 4 move in the front and back direction on the mold block 1, and the first inclined block 5 moves in the left and right direction on the mold block 1.

[0044] In an embodiment, as shown in Figure 1 , Figure 4 and Figure 5 , the first row block 3 is provided with a first model side groove 32 on one side facing the second row block 4, and the second row block 4 is provided with a second model side groove 42 on one side facing the first row block 3; when the first row block 3 and the second row block 4 are closed, the first model side groove 32 and the second model side groove 42 surround a first model cavity, and the first mold block 2 is located in the first model cavity. It can be understood that the first model side groove 32 and the second model side groove 42 are used to manufacture the outer surface of the first mold product 10, and the first mold block 2 is used to manufacture the inner surface of the first mold product 10. In this embodiment, the first model side groove 32 and the second model side groove 42 are closed or opened from both sides, which is convenient for taking the first mold product 10 off the first mold block 2.

[0045] In an embodiment, as shown in Figure 6 to Figure 8 , the first side block 52 is provided with a model plug 53 at one end away from the first inclined block 51; when the first row block 3 and the second row block 4 are closed, the model plug 53 abuts against the first mold block 2 and is used to manufacture a side hole 101 of the first mold product 10. It can be understood that the model plug 53 abuts against the first mold block 2, and the casting material can surround the model plug 53, and after the casting material solidifies, the casting material can be formed around the model plug 53 to form the side hole 101 of the first mold product 10. When the mold is opened, the model plug 53 automatically exits the side hole 101, so that it is convenient to take the first mold product 10 off the first mold block 2.

[0046] In an embodiment, as shown in Figure 1 and Figure 2As shown, the first sliding block 3 is provided with a first oblique hole 33, and the second sliding block 4 is provided with a second oblique hole 43. The mold mechanism also includes a first driving rod 6 and a second driving rod 7. The first driving rod 6 is inserted into or withdrawn from the first oblique hole 33 to drive the first sliding block 3 to move on the mold core block 1. The second driving rod 7 is inserted into or withdrawn from the second oblique hole 43 to drive the second sliding block 4 to move on the mold core block 1.

[0047] Specifically, the first drive rod 6 is inserted into the first inclined hole 33 and the first drive rod 6 is inserted into the second inclined hole 43, the first sliding block 3 and the second sliding block 4 move closer to each other until the first sliding block 3 and the second sliding block 4 are in the mold-closed state; the first drive rod 6 is withdrawn from the first inclined hole 33 and the first drive rod 6 is withdrawn from the second inclined hole 43, the first sliding block 3 and the second sliding block 4 move further apart from each other until the first sliding block 3 and the second sliding block 4 are in the mold-open state.

[0048] In one embodiment, such as Figure 3 and Figure 7 As shown, the mold core block 1 has a through hole. The first mold block 2 includes a base 21 and a mold body 22 connected to the base 21. The base 21 is installed on the bottom surface of the mold core block 1, and the mold body 22 protrudes above the top surface of the mold core block 1 through the through hole. It can be understood that the first mold block 2 can be installed on the mold core block 1 from below, and the assembly and disassembly of the first mold block 2 and the mold core block 1 are simple.

[0049] In one embodiment, such as Figure 1 to Figure 5 As shown, the mold mechanism further includes a second inclined ejector 8 and a second mold block 9 mounted on the mold core block 1. The second inclined ejector 8 includes a second inclined ejector block and a second side block connecting the side of the second inclined ejector block. Optionally, the second inclined ejector block and the second side block are integrally formed, and one or two second inclined ejectors 8 can be provided according to actual needs.

[0050] The mold core block 1 is provided with a third inclined groove 13 and a third side groove 14 communicating with the third inclined groove 13. The second row block 4 is provided with a fourth inclined groove 44, and the first row block 3 is provided with a fourth side groove 34. The width of the third inclined groove 13 is greater than the width of the fourth inclined groove 44. It can be understood that the openings of the third inclined groove 13 and the third side groove 14 are both facing upward, and the openings of the fourth inclined groove 44 and the fourth side groove 34 are both facing downward.

[0051] When the first row block 3 and the second row block 4 are closed, the second inclined block is located in the third inclined groove 13 and the fourth inclined groove 44, the second side block is located in the third side groove 14 and the fourth side groove 34, and the second mold cavity is surrounded by the first row block 3, the second row block 4 and the second mold block 9, and the second mold cavity is used for casting the second mold product 20.

[0052] When the first row block 3 and the second row block 4 are opened, the fourth inclined groove 44 drives the second inclined block to move in the third inclined groove 13 away from the second mold block 9, and the second side block moves in the third side groove 14 away from the second mold block 9. It can be understood that when the mold mechanism is in the open mold state, the first row block 3 and the second row block 4 are separated from the second mold block 9, the second mold product 20 is sleeved on the second mold block 9, and the second inclined block is also separated from the second mold product 20.

[0053] In the embodiment, the closing and opening modes of the second mold product 20 are the same as those of the first mold product 10, and the mold mechanism can cast the first mold product 10 and the second mold product 20 at the same time, thereby improving the casting efficiency of the mold mechanism.

[0054] The above-described embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced by equivalents; and these modifications or replacements do not change the essence of the corresponding technical solutions, and are within the spirit and scope of the technical solutions of the embodiments of the present application, and should be included in the protection scope of the present application.

Claims

1. A mold mechanism, characterized in that, It includes a mold core block, a first mold block, a first sliding block, a second sliding block, and a first inclined ejector; the first mold block is mounted on the mold core block, and the first sliding block and the second sliding block are slidably mounted on opposite sides of the mold core block; the first inclined ejector includes a first inclined ejector block and a first side block connecting the side of the first inclined ejector block; The mold core block is provided with a first inclined groove and a first side groove communicating with the first inclined groove; the first row block is provided with a second inclined groove; and the second row block is provided with a second side groove; the width of the first inclined groove is greater than the width of the second inclined groove. When the first sliding block and the second sliding block are closed, the first inclined ejector block is located in the first inclined groove and the second inclined groove, the first side block is located in the first side groove and the second side groove, and a first mold cavity for casting the first mold product is formed between the first sliding block, the second sliding block and the first mold block. When the first sliding block and the second sliding block open the mold, the second inclined groove drives the first inclined top block to move away from the first mold block in the first inclined groove, and the first side block moves away from the first mold block in the first side groove.

2. The mold mechanism according to claim 1, characterized in that, The first inclined top block and the second inclined groove are interference-fitted.

3. The mold mechanism according to claim 1, characterized in that, The movement directions of the first and second sliding blocks on the mold core block are perpendicular to the movement direction of the first inclined ejector in the first inclined groove and the first side groove.

4. The mold mechanism according to claim 1, characterized in that, The first row block has a first model-side groove on the side facing the second row block, and the second row block has a second model-side groove on the side facing the first row block. When the first and second sliding blocks are closed, the first model side groove and the second model side groove surround the first model cavity, and the first mold block is located in the first model cavity.

5. The mold mechanism according to claim 1, characterized in that, The first side block has a model insert block at the end opposite to the first inclined top block; When the first and second sliding blocks are closed, the model insert block abuts against the first mold block to manufacture the side hole of the first molded product.

6. The mold mechanism according to claim 1, characterized in that, The first slide block is provided with a first oblique hole, the second slide block is provided with a second oblique hole, and the mold mechanism further includes a first drive rod and a second drive rod; The first drive rod is inserted into or withdrawn from the first oblique hole to drive the first positioning block to move on the mold core block; The second drive rod is inserted into or withdrawn from the second oblique hole to drive the second positioning block to move on the mold core block.

7. The mold mechanism according to claim 1, characterized in that, The mold core block has a through hole. The first mold block includes a base and a mold body connected to the base. The base is installed on the bottom surface of the mold core block, and the mold body protrudes above the top surface of the mold core block through the through hole.

8. The mold mechanism according to claim 1, characterized in that, The mold mechanism further includes a second inclined ejector and a second mold block mounted on the mold core block. The second inclined ejector includes a second inclined ejector block and a second side block connecting the side of the second inclined ejector block. The mold core block is provided with a third inclined groove and a third side groove communicating with the third inclined groove; the second row block is provided with a fourth inclined groove; and the first row block is provided with a fourth side groove; the width of the third inclined groove is greater than the width of the fourth inclined groove. When the first sliding block and the second sliding block are closed, the second inclined ejector block is located in the third inclined groove and the fourth inclined groove, and the second side block is located in the third side groove and the fourth side groove. A second mold cavity is provided between the first sliding block, the second sliding block and the second mold block. The second mold cavity is used to cast the second mold product. When the first slide block and the second slide block open the mold, the fourth inclined groove drives the second inclined top block to move away from the second mold block in the third inclined groove, and the second side block moves away from the second mold block in the third side groove.