CN212045724U - Improved injection mold - Google Patents
Improved injection mold Download PDFInfo
- Publication number
- CN212045724U CN212045724U CN202020187234.2U CN202020187234U CN212045724U CN 212045724 U CN212045724 U CN 212045724U CN 202020187234 U CN202020187234 U CN 202020187234U CN 212045724 U CN212045724 U CN 212045724U
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- China
- Prior art keywords
- mold
- template
- female
- cavity
- male
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 238000002347 injection Methods 0.000 title claims abstract description 24
- 239000007924 injection Substances 0.000 title claims abstract description 24
- 238000007789 sealing Methods 0.000 claims abstract description 12
- 230000017525 heat dissipation Effects 0.000 claims description 11
- 238000003825 pressing Methods 0.000 claims description 7
- 230000007704 transition Effects 0.000 claims description 4
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 230000006872 improvement Effects 0.000 abstract description 3
- 238000000465 moulding Methods 0.000 abstract description 3
- 229920003023 plastic Polymers 0.000 abstract description 3
- 239000004033 plastic Substances 0.000 abstract description 3
- 238000001746 injection moulding Methods 0.000 description 11
- 238000003723 Smelting Methods 0.000 description 1
- 238000000071 blow moulding Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Images
Abstract
The utility model provides an injection mold of improvement, including public module, master model group, public module includes first template, second template, third template, public mould benevolence, the die cavity has been seted up to public mould benevolence upper end, female module includes fourth template, fifth template, sixth template, cavity benevolence, be equipped with the runner of moulding plastics in the cavity benevolence, the runner of moulding plastics is located directly over the die cavity, public mould benevolence with four sides of cavity benevolence handing-over department all are equipped with locking Assembly, third template upper end is connected with and is used for the drive locking Assembly's drive arrangement, locking Assembly is including connecting the clamp plate of drive arrangement output, connecting two lugs of clamp plate one end, be located the sealing washer between two lugs, public mould benevolence, cavity benevolence edge all are equipped with the confession lug male recess. The utility model discloses an injection mold, the cooperation of public module and female module is good, and the seal is good, stable in structure.
Description
Technical Field
The utility model relates to the technical field of mold, concretely relates to injection mold of improvement.
Background
At present, the mold is various molds and tools for obtaining required products by injection molding, blow molding, extrusion, die casting or forging molding, smelting, stamping and other methods in industrial production. In short, a mold is a tool used to make a shaped article, the tool being made up of various parts, different molds being made up of different parts. The processing of the appearance of an article is realized mainly through the change of the physical state of a formed material. The element has the name of "industrial mother".
The injection mold consists of a male mold and a female mold, wherein the male mold is arranged on a movable template of the injection molding machine, and the female mold is arranged on a fixed template of the injection molding machine. The male mold and the female mold are closed to form a pouring system and a cavity during injection molding, and the male mold and the female mold are separated during mold opening so as to take out the plastic product. The existing injection mold is characterized in that the male mold and the female mold are in a vertically closed type, and the male mold and the female mold are generally prevented from deviating in the horizontal direction by utilizing the guide posts.
SUMMERY OF THE UTILITY MODEL
To above problem, the utility model provides an injection mold of improvement, the cooperation of public module and female module is good, and the seal is good, stable in structure.
In order to achieve the above object, the present invention provides the following technical solutions:
an improved injection mold comprises a male mold set and a female mold set, wherein the female mold set is positioned above the male mold set, the male die set comprises a first template, a second template, a third template and a male die core, wherein the upper end of the male die core is provided with a die cavity, the female die set comprises a fourth die plate, a fifth die plate, a sixth die plate and a female die core, wherein an injection molding runner is arranged in the female die core, the injection molding runner is positioned right above the mold cavity, four side surfaces of the joint of the male mold insert and the female mold insert are provided with locking components, the upper end of the third template is connected with a driving device for driving the locking assembly, the locking assembly comprises a pressing plate connected to the output end of the driving device, two convex blocks connected to one end of the pressing plate, and a sealing ring positioned between the two convex blocks, and grooves for the convex blocks to insert are formed in the edges of the male die core and the female die core.
Specifically, the sealing ring is of a semicircular annular structure, and arc-shaped grooves for embedding the sealing ring are further formed in the edges of the male die core and the female die core.
Specifically, the inner side of the second template is further provided with a movable groove, an ejection assembly is arranged in the movable groove, the ejection assembly comprises a push plate, a base plate located on the upper side of the push plate and an ejector pin connected to the upper end of the base plate, and the upper end of the ejector pin is connected with the mold cavity.
Specifically, the thimble comprises a first cylindrical portion, a transition portion and a second cylindrical portion, and the outer diameter of the first cylindrical portion is smaller than that of the second cylindrical portion.
Specifically, a feed inlet is formed in the fourth template, and the upper end of the injection molding runner is connected with the feed inlet.
Specifically, the lower end face of the third template is further provided with a heat dissipation groove, the heat dissipation groove is located above the movable groove, and a small fan is further arranged in the heat dissipation groove.
Specifically, the driving device is an electric cylinder.
The utility model has the advantages that:
first, the injection mold of the present invention has locking assemblies disposed on four sides of the junction of the core insert and the cavity insert, so as to ensure the degree of fit between the core insert and the cavity insert, prevent the occurrence of liquid leakage or deviation, and ensure the quality of the product;
secondly, the ejector pin is designed into a structure with a large top and a small bottom, so that the position of the top end of the ejector pin is limited, and the problem that the structure of a product is influenced due to the fact that the top end of the ejector pin is too low or too high when the ejector pin is reset is avoided.
Drawings
Fig. 1 is a schematic structural diagram of an improved injection mold of the present invention during mold closing.
Fig. 2 is an enlarged view of a portion a in fig. 1.
The reference signs are: the injection molding device comprises a male die set 1, a first die plate 11, a second die plate 12, a movable groove 121, a third die plate 13, a heat dissipation groove 131, a male die core 14, a die cavity 141, a female die set 2, a fourth die plate 21, a fifth die plate 22, a sixth die plate 23, a female die core 24, an injection molding runner 241, a locking assembly 3, a pressing plate 31, a bump 32, a sealing ring 33, a driving device 4, an ejection assembly 5, a push plate 51, a backing plate 52, an ejector pin 53, a first cylindrical portion 531, a transition portion 532, a second cylindrical portion 533, a feed inlet 6 and a small fan 7.
Detailed Description
The present invention will be described in further detail with reference to the following examples and drawings, but the present invention is not limited thereto.
As shown in fig. 1-2:
an improved injection mold comprises a male mold set 1 and a female mold set 2, wherein the female mold set 2 is positioned above the male mold set 1, the male mold set 1 comprises a first template 11, a second template 12, a third template 13 and a male mold core 14, the upper end of the male mold core 14 is provided with a mold cavity 141, the female mold set 2 comprises a fourth template 21, a fifth template 22, a sixth template 23 and a female mold core 24, an injection runner 241 is arranged in the female mold core 24, the injection runner 241 is positioned right above the mold cavity 141, four side surfaces at the joint of the male mold core 14 and the female mold core 24 are respectively provided with a locking component 3, the upper end of the third template 13 is connected with a driving device 4 for driving the locking component 3, the locking component 3 comprises a pressing plate 31 connected with the output end of the driving device 4, two convex blocks 32 connected with one end of the pressing plate 31 and a sealing ring 33 positioned between the two convex blocks 32, the edges of the male mold core, after the male mold unit 1 and the female mold unit 2 are closed, the driving device 4 pushes the locking assembly 3 toward the mold cavity 141, so that the protrusion 32 is inserted into the grooves at the edges of the male mold core 14 and the female mold core 24, and the locking assembly 3 locks the male mold core 14 and the female mold core 24, thereby preventing the male mold core 14 and the female mold core 24 from loosening in the vertical direction.
Preferably, in order to improve the sealing performance after the male mold core 14 and the female mold core 24 are closed, the sealing ring 33 is a semicircular structure, and the edges of the male mold core 14 and the female mold core 24 are further provided with an arc-shaped groove for embedding the sealing ring 33.
Preferably, the inner side of the second mold plate 12 is further provided with a movable groove 121, the movable groove 121 is internally provided with an ejection assembly 5, the ejection assembly 5 comprises a push plate 51, a backing plate 52 located on the upper side of the push plate 51, and a thimble 53 connected to the upper end of the backing plate 52, and the upper end of the thimble 53 is connected to the mold cavity 141.
Preferably, the thimble 53 includes a first cylindrical portion 531, a transition portion 532, and a second cylindrical portion 533, an outer diameter of the first cylindrical portion 531 is smaller than an outer diameter of the second cylindrical portion 533, and the thimble 53 is designed to have a structure with a large top and a small bottom, so as to limit a position of a top end of the thimble 53 and avoid that the top end of the thimble 53 is too low or too high when the thimble is reset, which affects a structure of a product.
Preferably, a feed inlet 6 is arranged on the fourth template 21, the upper end of the feed inlet 6 is connected with a discharge port of the injection molding machine for feeding, and the upper end of the injection molding runner 241 is connected with the feed inlet 6.
Preferably, in order to improve the heat dissipation efficiency of the mold, a heat dissipation groove 131 is further formed in the lower end surface of the third mold plate 13, the heat dissipation groove 131 is located above the movable groove 121, and a small fan 7 is further provided in the heat dissipation groove 131, so that heat on the upper side is blown out by the small fan 7.
Preferably, the driving means 4 is an electric cylinder.
The above embodiments only represent one embodiment of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (7)
1. An improved injection mold is characterized by comprising a male mold set (1) and a female mold set (2), wherein the female mold set (2) is positioned above the male mold set (1), the male mold set (1) comprises a first template (11), a second template (12), a third template (13) and a male mold insert (14), a mold cavity (141) is formed in the upper end of the male mold insert (14), the female mold set (2) comprises a fourth template (21), a fifth template (22), a sixth template (23) and a female mold insert (24), an injection runner (241) is arranged in the female mold insert (24), the injection runner (241) is positioned right above the mold cavity (141), locking assemblies (3) are arranged on four side surfaces of the joint of the male mold insert (14) and the female mold insert (24), and a driving device (4) for driving the locking assemblies (3) is connected to the upper end of the third template (13), the locking assembly (3) comprises a pressing plate (31) connected to the output end of the driving device (4), two convex blocks (32) connected to one end of the pressing plate (31), and a sealing ring (33) located between the two convex blocks (32), wherein grooves for the convex blocks (32) to be inserted are formed in the edges of the male die core (14) and the female die core (24).
2. An improved injection mold according to claim 1, wherein the sealing ring (33) is a semi-circular ring structure, and the edges of the core insert (14) and the cavity insert (24) are further provided with arc-shaped grooves for embedding the sealing ring (33).
3. An improved injection mold according to claim 1, wherein a movable groove (121) is further formed inside the second mold plate (12), an ejection assembly (5) is arranged inside the movable groove (121), the ejection assembly (5) comprises a push plate (51), a backing plate (52) located on the upper side of the push plate (51), and an ejector pin (53) connected to the upper end of the backing plate (52), and the upper end of the ejector pin (53) is connected to the mold cavity (141).
4. An improved injection mold as claimed in claim 3, characterized in that said ejector pin (53) comprises a first cylindrical portion (531), a transition portion (532), a second cylindrical portion (533), said first cylindrical portion (531) having an outer diameter smaller than an outer diameter of said second cylindrical portion (533).
5. An improved injection mold according to claim 1, wherein a feed opening (6) is provided on the fourth mold plate (21), and the upper end of the injection runner (241) is connected with the feed opening (6).
6. An improved injection mold according to claim 3, wherein a heat dissipation groove (131) is further formed in the lower end face of the third mold plate (13), the heat dissipation groove (131) is located above the movable groove (121), and a small fan (7) is further disposed in the heat dissipation groove (131).
7. An improved injection mould according to claim 1, characterised in that the drive means (4) is an electric cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020187234.2U CN212045724U (en) | 2020-02-20 | 2020-02-20 | Improved injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020187234.2U CN212045724U (en) | 2020-02-20 | 2020-02-20 | Improved injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212045724U true CN212045724U (en) | 2020-12-01 |
Family
ID=73533309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020187234.2U Expired - Fee Related CN212045724U (en) | 2020-02-20 | 2020-02-20 | Improved injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212045724U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114750368A (en) * | 2022-04-24 | 2022-07-15 | 宁波均胜群英汽车系统股份有限公司 | Mechanical self-locking structure in mould |
| CN115091705A (en) * | 2022-08-25 | 2022-09-23 | 宁海县第一注塑模具有限公司 | Injection mold of central control decorative plate |
-
2020
- 2020-02-20 CN CN202020187234.2U patent/CN212045724U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114750368A (en) * | 2022-04-24 | 2022-07-15 | 宁波均胜群英汽车系统股份有限公司 | Mechanical self-locking structure in mould |
| CN114750368B (en) * | 2022-04-24 | 2024-03-01 | 宁波均胜群英汽车系统股份有限公司 | In-mold mechanical self-locking structure |
| CN115091705A (en) * | 2022-08-25 | 2022-09-23 | 宁海县第一注塑模具有限公司 | Injection mold of central control decorative plate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201201 |
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| CF01 | Termination of patent right due to non-payment of annual fee |