CN219855775U - Injection mold capable of quickly changing mold - Google Patents
Injection mold capable of quickly changing mold Download PDFInfo
- Publication number
- CN219855775U CN219855775U CN202321342711.8U CN202321342711U CN219855775U CN 219855775 U CN219855775 U CN 219855775U CN 202321342711 U CN202321342711 U CN 202321342711U CN 219855775 U CN219855775 U CN 219855775U
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- mold
- die
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- close contact
- holes
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- 238000002347 injection Methods 0.000 title claims abstract description 20
- 239000007924 injection Substances 0.000 title claims abstract description 20
- 238000001746 injection moulding Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000008859 change Effects 0.000 abstract description 5
- 238000001125 extrusion Methods 0.000 description 2
- 238000005242 forging Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000071 blow moulding Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000004663 powder metallurgy Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses an injection mold capable of rapidly changing a mold, which comprises a rear mold and a front mold; the front mold is located right in front of the rear mold, and the front mold and the rear mold are movable back and forth to be arranged in a mold closing or opening manner. Through setting up back mould latch segment and front mould latch segment respectively in the first cavity that corresponds and the second cavity that corresponds, the side in back mould latch segment and the side in close contact of back mould benevolence, the other side in back mould latch segment and the inner wall surface in first cavity in close contact with, the side in front mould latch segment and the side in close contact of front mould benevolence, the other side in front mould latch segment and the inner wall surface in close contact of second cavity, when needs are changed the benevolence, dismantle the latch segment earlier, at this moment, the cavity can vacate a part space, the staff utilizes this a part space can dismantle the mould benevolence easily, need not to spend great strength and more time, shorten change time, improve production efficiency.
Description
Technical Field
The utility model relates to the technical field of injection molds, in particular to an injection mold capable of rapidly changing molds.
Background
The mould is used for producing various moulds and tools of the needed products by injection molding, blow molding, extrusion, die casting or forging, smelting, stamping and other methods in industry. 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 term "industrial mother" is used. Is a tool for making the blank into a workpiece with a specific shape and size under the action of external force. The method is widely used for blanking, die forging, cold heading, extrusion, powder metallurgy part pressing, pressure casting and the molding processing of compression molding or injection molding of engineering plastics, rubber, ceramics and other products. The die has a specific contour or cavity shape, and the blank can be separated (blanked) according to the contour shape by using the contour shape with the cutting edge. The blank can obtain a corresponding three-dimensional shape by using the shape of the inner cavity. The mold generally comprises a movable mold and a fixed mold (or a male mold and a female mold), which can be separated and combined. And taking out the workpiece when the workpiece is separated, and injecting the blank into the die cavity for forming when the workpiece is closed. The die is a precise tool, has a complex shape, bears the expansion force of a blank, has higher requirements on structural strength, rigidity, surface hardness, surface roughness and machining precision, and is one of important marks of the mechanical manufacturing level.
The existing injection mold can cause abrasion of the mold core after long-time use, so that the injection mold product is unqualified after molding, and at the moment, a worker is required to replace a new mold core. Because the die core is very accurate in matching with the die blank, the die core needs to be disassembled with great effort and much time, so that the replacement time is too long, and the production efficiency is reduced. Therefore, improvements to existing injection molds are needed.
Disclosure of Invention
In view of the above, the present utility model aims at overcoming the drawbacks of the prior art, and its primary object is to provide an injection mold capable of quickly changing mold, which can effectively solve the problem that the existing injection mold needs to take a lot of time and effort to change the mold core, resulting in too long change time, and thus resulting in reduced production efficiency.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
an injection mold capable of quickly changing mold comprises a rear mold and a front mold; the front mold is positioned right in front of the rear mold, and the front mold and the rear mold can move back and forth to be assembled or disassembled;
the rear die comprises a rear die seat, a die blank, a plurality of rear die cores, a plurality of thimble pieces and a plurality of rear die locking blocks; the die blank is arranged on the rear die holder and is provided with a plurality of first cavities; the rear mold cores are respectively arranged in the corresponding first cavities, each rear mold core is provided with a first cavity, the ejector pin pieces can be respectively arranged in the rear mold base in a front-back movable manner and are respectively positioned below the corresponding rear mold cores, and each ejector pin piece is provided with an ejector pin part which can extend into or leave the first cavity; the plurality of rear mold locking blocks are respectively arranged in the corresponding first cavities, one side face of each rear mold locking block is in close contact with the side face of the rear mold core, and the other side face of each rear mold locking block is in close contact with the inner wall face of each first cavity;
the front die comprises a front die holder, a plurality of front die cores and a plurality of front die locking blocks; the front die holder is provided with a plurality of second cavities, and each second cavity is internally provided with an injection molding runner; the front mold cores are respectively arranged in the corresponding second cavities, each front mold core is provided with a second cavity, and the second cavity is matched with the first cavity and is communicated with the injection molding runner; the front mold locking blocks are respectively arranged in the corresponding second cavities, one side face of each front mold locking block is in close contact with the side face of the front mold core, and the other side face of each front mold locking block is in close contact with the inner wall face of each second cavity.
As a preferred scheme, be provided with the liftout plate that can move about in the back die holder, offered a plurality of through-holes and a plurality of logical groove on this liftout plate, this a plurality of through-holes and corresponding logical groove intercommunication, and the spacing portion of aforesaid thimble spare is arranged in corresponding through-hole, and this a plurality of logical grooves all have inserted spacing pin, and this spacing pin is spacing with the spacing portion close contact of corresponding thimble spare, makes the thimble spare move about along with the front and back activity of liftout plate, and then control thimble portion stretches into or leaves first die cavity.
As a preferable scheme, a plurality of first positioning holes are formed in the surface of the die blank, a plurality of first positioning columns are arranged on the front die holder, and the plurality of first positioning columns are respectively matched with the corresponding first positioning holes.
As a preferable scheme, a plurality of second positioning holes are formed in the surface of the rear die core, a plurality of second positioning columns are arranged on the front die core, and the second positioning columns are respectively matched with the corresponding second positioning holes.
As a preferable scheme, a plurality of guide holes are formed in the surface of the front die core, a plurality of guide posts are arranged in the second cavity, and the guide posts are inserted into the corresponding guide holes.
As a preferable scheme, the periphery side of the die blank is provided with a first fixing piece, a fixing groove is formed in the first fixing piece, the periphery side of the front die holder is provided with a second fixing piece, a fixing part is convexly arranged on the second fixing piece, and the fixing part is matched with the fixing groove.
Compared with the prior art, the utility model has obvious advantages and beneficial effects, and in particular, the technical scheme can be as follows:
through setting up back mould latch segment and front mould latch segment respectively in the first cavity that corresponds and the second cavity that corresponds, the side in back mould latch segment and the side in close contact of back mould benevolence, the other side in back mould latch segment and the inner wall surface in first cavity in close contact with, the side in front mould latch segment and the side in close contact of front mould benevolence, the other side in front mould latch segment and the inner wall surface in close contact of second cavity, when needs are changed the benevolence, dismantle the latch segment earlier, at this moment, the cavity can vacate a part space, the staff utilizes this a part space can dismantle the mould benevolence easily, need not to spend great strength and more time, shorten change time, improve production efficiency.
In order to more clearly illustrate the structural features and efficacy of the present utility model, the following detailed description of the utility model is made with reference to the accompanying drawings and to the specific embodiments:
drawings
FIG. 1 is a cross-sectional view of a preferred embodiment of the present utility model;
FIG. 2 is another angular cross-sectional view of the preferred embodiment of the present utility model;
FIG. 3 is an exploded view of the rear mold in the preferred embodiment of the present utility model;
fig. 4 is an exploded view of the front mold in the preferred embodiment of the present utility model.
The attached drawings are used for identifying and describing:
10. rear die 11 and rear die holder
12. Mold blank 121, first cavity
122. First positioning hole 123, first fixing piece
1231. Fixed slot 13, rear mould core
131. First cavity 132, second positioning hole
14. Thimble member 141 and thimble portion
142. Limiting part 15 and rear die locking block
16. Ejector plate 161, through hole
162. Through groove 17 and limit pin
20 front die 21, front die holder
211. Second cavity 212, first positioning column
213. Second fixing piece 2131 and fixing portion
22. Front mold core 221, second cavity
222. Second positioning column 223, guide hole
23. Front mould locking block 24 and injection moulding runner
25. And a guide post.
Detailed Description
Referring to fig. 1 to 4, a specific structure of a preferred embodiment of the present utility model is shown, which includes a rear mold 10 and a front mold 20; the front mold 20 is located right in front of the rear mold 10, and the front mold 20 and the rear mold 10 are movably installed in a back-and-forth direction to be clamped or unclamped.
The rear die 10 comprises a rear die holder 11, a die blank 12, a plurality of rear die cores 13, a plurality of thimble members 14 and a plurality of rear die locking blocks 15; the mold blank 12 is arranged on the rear mold base 11, and the mold blank 12 is provided with a plurality of first cavities 121; the plurality of rear mold cores 13 are respectively arranged in the corresponding first cavities 121, each rear mold core 13 is provided with a first cavity 131, the plurality of ejector pin members 14 are respectively arranged in the rear mold base 11 in a front-back movable manner and are respectively positioned below the corresponding rear mold cores 13, and each ejector pin member 14 is provided with an ejector pin part 141 which can extend into or leave the first cavity 131; the plurality of rear mold locking blocks 15 are respectively arranged in the corresponding first cavities 121, one side surface of the rear mold locking block 15 is tightly contacted with the side surface of the rear mold core 13, and the other side surface of the rear mold locking block 15 is tightly contacted with the inner wall surface of the first cavity 121; in this embodiment, an ejector plate 16 capable of moving back and forth is disposed in the rear mold base 11, the ejector plate 16 is provided with a plurality of through holes 161 and a plurality of through slots 162, the plurality of through holes 161 are communicated with the corresponding through slots 162, the limiting portions 142 of the ejector pins 14 are located in the corresponding through holes 161, the plurality of through slots 162 are respectively inserted with a limiting pin 17, and the limiting pins 17 are in close contact with the limiting portions 142 of the corresponding ejector pins 14 to limit, so that the ejector pins 14 move back and forth along with the back and forth movement of the ejector plate 16, and the ejector pins 141 are controlled to extend into or leave the first cavity 131; in addition, a plurality of first positioning holes 122 are formed on the surface of the mold blank 12; the surface of the rear mold core 13 is provided with a plurality of second positioning holes 132; and, a first fixing member 123 is disposed on the peripheral side of the mold blank 12, and a fixing groove 1231 is formed in the first fixing member 123.
The front mold 20 comprises a front mold base 21, a plurality of front mold cores 22 and a plurality of front mold locking blocks 23; the front die holder 21 is provided with a plurality of second cavities 211, and each second cavity 211 is internally provided with an injection molding runner 24; the front mold cores 22 are respectively disposed in the corresponding second cavities 211, each front mold core 22 is provided with a second cavity 221, and the second cavity 221 is adapted to the first cavity 131 and is communicated with the injection runner 24; the front mold locking blocks 23 are respectively arranged in the corresponding second cavities 211, one side surface of each front mold locking block 23 is in close contact with the side surface of the front mold core 22, and the other side surface of each front mold locking block 23 is in close contact with the inner wall surface of the second cavity 211; in the present embodiment, a plurality of first positioning columns 212 are disposed on the front die holder 21, and the plurality of first positioning columns 212 are respectively adapted to the corresponding first positioning holes 122; in addition, the front mold core 22 is provided with a plurality of second positioning columns 222, and the plurality of second positioning columns 222 are respectively matched with the corresponding second positioning holes 132; and, a plurality of guide holes 223 are formed on the surface of the front mold core 22, a plurality of guide posts 25 are disposed in the second cavity 211, and the plurality of guide posts 25 are inserted into the corresponding guide holes 223; and, a second fixing member 213 is disposed on the peripheral side of the front mold base 21, and a fixing portion 2131 is protruded from the second fixing member 213, and the fixing portion 2131 is adapted to the fixing groove 1231.
The working principle of the embodiment is described in detail as follows:
first, the front mold 20 and the rear mold 10 are moved to each other to clamp, the first positioning columns 212 are respectively inserted into the corresponding first positioning holes 122, the second positioning columns 222 are respectively inserted into the corresponding second positioning holes 132, the fixing portions 2131 are matched and fixed with the fixing grooves 1231, then, the glue solution flows into the first cavity 131 and the second cavity 221 from the injection runner 24, after the injection molding is finished, the front mold 20 and the rear mold 10 are moved to clamp each other, and the ejector plate 16 moves forward to drive the ejector pin 14 to move forward, so that the ejector pin 141 extends into the first cavity 131 and ejects the injection molded product.
The design focus of the utility model is that: through setting up back mould latch segment and front mould latch segment respectively in the first cavity that corresponds and the second cavity that corresponds, the side in back mould latch segment and the side in close contact of back mould benevolence, the other side in back mould latch segment and the inner wall surface in first cavity in close contact with, the side in front mould latch segment and the side in close contact of front mould benevolence, the other side in front mould latch segment and the inner wall surface in close contact of second cavity, when needs are changed the benevolence, dismantle the latch segment earlier, at this moment, the cavity can vacate a part space, the staff utilizes this a part space can dismantle the mould benevolence easily, need not to spend great strength and more time, shorten change time, improve production efficiency.
The foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the technical scope of the present utility model, so any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical principles of the present utility model are still within the scope of the technical solutions of the present utility model.
Claims (6)
1. An injection mold capable of quickly changing mold comprises a rear mold and a front mold; the front mold is positioned right in front of the rear mold, and the front mold and the rear mold can move back and forth to be assembled or disassembled; the method is characterized in that:
the rear die comprises a rear die seat, a die blank, a plurality of rear die cores, a plurality of thimble pieces and a plurality of rear die locking blocks; the die blank is arranged on the rear die holder and is provided with a plurality of first cavities; the rear mold cores are respectively arranged in the corresponding first cavities, each rear mold core is provided with a first cavity, the ejector pin pieces can be respectively arranged in the rear mold base in a front-back movable manner and are respectively positioned below the corresponding rear mold cores, and each ejector pin piece is provided with an ejector pin part which can extend into or leave the first cavity; the plurality of rear mold locking blocks are respectively arranged in the corresponding first cavities, one side face of each rear mold locking block is in close contact with the side face of the rear mold core, and the other side face of each rear mold locking block is in close contact with the inner wall face of each first cavity;
the front die comprises a front die holder, a plurality of front die cores and a plurality of front die locking blocks; the front die holder is provided with a plurality of second cavities, and each second cavity is internally provided with an injection molding runner; the front mold cores are respectively arranged in the corresponding second cavities, each front mold core is provided with a second cavity, and the second cavity is matched with the first cavity and is communicated with the injection molding runner; the front mold locking blocks are respectively arranged in the corresponding second cavities, one side face of each front mold locking block is in close contact with the side face of the front mold core, and the other side face of each front mold locking block is in close contact with the inner wall face of each second cavity.
2. The quick-change injection mold of claim 1, wherein: the ejector plate is characterized in that an ejector plate capable of moving back and forth is arranged in the rear die holder, a plurality of through holes and a plurality of through grooves are formed in the ejector plate, the through holes are communicated with the corresponding through grooves, the limiting parts of the ejector pin pieces are located in the corresponding through holes, limiting pins are inserted into the through grooves, and the limiting pins are in tight contact with the limiting parts of the corresponding ejector pin pieces to limit the positions.
3. The quick-change injection mold of claim 1, wherein: a plurality of first positioning holes are formed in the surface of the die blank, a plurality of first positioning columns are arranged on the front die holder, and the first positioning columns are respectively matched with the corresponding first positioning holes.
4. The quick-change injection mold of claim 1, wherein: the surface of the rear die core is provided with a plurality of second positioning holes, the front die core is provided with a plurality of second positioning columns, and the second positioning columns are respectively matched with the corresponding second positioning holes.
5. The quick-change injection mold of claim 1, wherein: the surface of the front die core is provided with a plurality of guide holes, a plurality of guide posts are arranged in the second cavity, and the guide posts are inserted into the corresponding guide holes.
6. The quick-change injection mold of claim 1, wherein: the die comprises a die blank, and is characterized in that a first fixing piece is arranged on the periphery of the die blank, a fixing groove is formed in the first fixing piece, a second fixing piece is arranged on the periphery of the front die base, a fixing part is convexly arranged on the second fixing piece, and the fixing part is matched with the fixing groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321342711.8U CN219855775U (en) | 2023-05-29 | 2023-05-29 | Injection mold capable of quickly changing mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321342711.8U CN219855775U (en) | 2023-05-29 | 2023-05-29 | Injection mold capable of quickly changing mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219855775U true CN219855775U (en) | 2023-10-20 |
Family
ID=88323788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321342711.8U Active CN219855775U (en) | 2023-05-29 | 2023-05-29 | Injection mold capable of quickly changing mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219855775U (en) |
-
2023
- 2023-05-29 CN CN202321342711.8U patent/CN219855775U/en active Active
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| GR01 | Patent grant |