CN210820541U - Pressure injection type mould for moulded rubber products - Google Patents
Pressure injection type mould for moulded rubber products Download PDFInfo
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- CN210820541U CN210820541U CN201921653998.XU CN201921653998U CN210820541U CN 210820541 U CN210820541 U CN 210820541U CN 201921653998 U CN201921653998 U CN 201921653998U CN 210820541 U CN210820541 U CN 210820541U
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Abstract
The utility model discloses a pressure injection type mould pressing rubber product mould, which comprises a lower mould, wherein the middle part of the lower mould is provided with a forming mould cavity, the upper mould is arranged above the lower mould and comprises a mould seat, the middle part of the mould seat is provided with a leak hole which is communicated up and down, the upper part of the mould seat is arranged into a cylinder part, the inside of the cylinder part is arranged into a cylinder cavity, the inside of the cylinder cavity is provided with a piston, the upper surface of the mould seat is provided with a hopper-shaped cavity, one side of the mould seat is provided with a raw material filling opening, a metal pressing block is arranged above the piston and comprises a round block, the upper part of the round block is integrally formed with the hopper block, the upper end of the hopper block is provided with a pressing rod, the middle inside of the piston is provided with a metal rod, the utility model discloses a piston is arranged to downwards extrude raw materials by the downward pressure air of, the metal rod can flatten the rough part of the product at the leakage opening.
Description
Technical Field
The utility model relates to the technical field of mold, specifically a pressure injection formula moulded rubber goods mould.
Background
The injection molding rubber product mold generally uses an upper pressure tool to give a downward pressure to a liquid raw material of a rubber product, the raw material enters the inside of a molding cavity under the pressure, and the stroke of the rubber product is the same as the shape of the molding cavity;
the patent with the application number of 201820805398.X provides a rubber pressure injection mold, raw materials are pressed downwards through an upper mold and enter the inside of a molding mold cavity, a pressure piece is commonly used for extrusion in the prior art, and raw material liquid is prone to being stuck on the pressure piece in the mode, so that waste is caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a pressure injection formula mould pressing rubber products mould to use a pressure piece to extrude among the solution prior art, this kind of mode easily leads to raw materials liquid to glue on pressure piece, produces the problem of extravagant phenomenon.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a pressure injection formula mould pressing rubber products mould, includes the lower mould, the middle part of lower mould is provided with the shaping die cavity, the top of lower mould is provided with the mould, go up the mould and include the die holder, the middle part of die holder is provided with the small opening that link up from top to bottom, the top of die holder sets up to section of thick bamboo portion, the inside of section of thick bamboo portion sets up to the section of thick bamboo chamber, the inside in section of thick bamboo chamber is provided with the.
Preferably, the upper surface of the die holder is provided with a hopper-shaped cavity, and one side of the die holder is provided with a raw material injection port.
Preferably, a metal pressing block is installed above the piston and comprises a round block, a bucket block is integrally formed above the round block, and a pressing rod is installed at the upper end of the bucket block.
Preferably, a metal rod is arranged in the middle of the interior of the piston.
Preferably, a driving device for driving the metal rod to move up and down is fixed in the middle of the inside of the metal pressing block, and the driving device is a hydraulic cylinder.
Preferably, a base is fixed below the lower die.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model is provided with the piston, the raw material is extruded downwards by the air pressed downwards by the piston, the piston does not directly contact the raw material, the raw material is prevented from being stuck on the piston, and the loss of the raw material is reduced;
2. the metal rod is arranged, the metal rod can flatten the product at the rough part of the leakage opening, and the smoothness of the product is guaranteed.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural view of the present invention;
FIG. 2 is an external view of the upper mold of the present invention;
fig. 3 is a schematic diagram of the piston and the metal pressing block of the present invention.
In the figure: 1. a base; 2. a lower die; 21. molding a mold cavity; 3. an upper die; 31. a die holder; 32. a barrel portion; 33. a barrel cavity; 34. a hopper-shaped cavity; 35. a leak hole; 4. a piston; 5. metal briquetting; 51. a round block; 52. a bucket block; 53. a pressure lever; 6. a drive device; 7. a metal rod; 8. a raw material injection port.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, in an embodiment of the present invention, an injection molding rubber product mold includes a lower mold 2, a base 1 is fixed below the lower mold 2, a molding cavity 21 is disposed in the middle of the lower mold 2, an upper mold 3 is disposed above the lower mold 2, the lower mold 2 is used to form the molding cavity 21, the molding cavity 21 is used as a molding place, and the upper mold 3 is used for injecting glue and sealing the molding cavity 21;
as shown in fig. 1 and fig. 2, the upper die 3 includes a die holder 31, a vertically through-going leak hole 35 is provided in the middle of the die holder 31, a cylindrical portion 32 is provided above the die holder 31, a cylindrical cavity 33 is provided inside the cylindrical portion 32, a hopper-shaped cavity 34 is provided on the upper surface of the die holder 31, a raw material injection port 8 is provided on one side of the die holder 31, raw material rubber is injected into the cylindrical cavity 33 and the hopper-shaped cavity 34 through a rubber injection head by the raw material injection port 8, the raw material enters the inside of the molding die cavity 21 through the hopper-shaped cavity 34 and the leak hole 35, and the raw material can more conveniently enter the leak hole 35 by the hopper-shaped;
referring to fig. 1 and 2, the piston 4 is disposed inside the cylinder cavity 33, the metal pressing block 5 includes a round block 51, a bucket block 52 is integrally formed above the round block 51, a pressing rod 53 is mounted at an upper end of the bucket block 52, and a driving member for driving the pressing rod 53 to move up and down should be mounted above the pressing rod 53, which is conventional in the art and not described herein any more, when the driving member pushes the pressing rod 53 downward, the bucket block 52 can uniformly distribute the downward pressure of the pressing rod 53 on the round block 51, so that the round block 51 is uniformly stressed, and the round block 51 can pull the piston 4 upward or press downward;
as shown in fig. 1, a metal rod 7 is arranged in the middle of the inside of the piston 4, a metal pressing block 5 is installed above the piston 4, a driving device 6 for driving the metal rod 7 to move up and down is fixed in the middle of the inside of the metal pressing block 5, the driving device 6 is a hydraulic cylinder, after the injection molding is finished, the metal rod 7 can be driven downwards by the driving device 6, and the metal rod 7 penetrates through the leak hole 35 downwards and then flattens the rubber product at the leak hole 35, so that the rubber product is smoother.
The utility model discloses a theory of operation and use flow: when the device is used, a glue injection head is inserted into the raw material injection port 8, the raw material is injected into the molding die cavity 21, after the injection is completed, the pressure rod 53 is pressed downwards, the hopper block 52 can uniformly distribute the downward pressure of the pressure rod 53 on the round block 51, so that the round block 51 is uniformly stressed, the round block 51 can press the piston 4 downwards, at the moment, the piston 4 downwards pushes the raw material positioned in the barrel cavity 33 and the hopper-shaped cavity 34 (the piston 4 presses the raw material by pushing air downwards, the stopper 4 is not directly contacted with the raw material, so that the raw material is prevented from being stuck on the piston 4, the waste phenomenon of the raw material is avoided, the use efficiency of the raw material is maximized), the raw material enters the molding die cavity 21 along the leakage hole 35 until the piston 4 moves to the lowest part, the pressure injection is completed, then the metal rod 7 is driven downwards by the driving device 6, and the metal rod 7 flattens the rubber product at the leakage hole 35 after passing through the leakage hole 35 downwards, the rubber product is smoother.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a pressure injection formula moulded rubber article mould, includes lower mould (2), its characterized in that: the middle part of lower mould (2) is provided with shaping die cavity (21), the top of lower mould (2) is provided with mould (3), it includes die holder (31) to go up mould (3), the middle part of die holder (31) is provided with leak hole (35) that link up from top to bottom, the top of die holder (31) sets up to section of thick bamboo portion (32), the inside of section of thick bamboo portion (32) sets up to section of thick bamboo chamber (33), the inside of section of thick bamboo chamber (33) is provided with piston (4).
2. The mold for injection molding a rubber article according to claim 1, wherein: the upper surface of the die holder (31) is provided with a hopper-shaped cavity (34), and one side of the die holder (31) is provided with a raw material injection port (8).
3. The mold for injection molding a rubber article according to claim 1, wherein: a metal pressing block (5) is installed above the piston (4), the metal pressing block (5) comprises a round block (51), a bucket block (52) is integrally formed above the round block (51), and a pressing rod (53) is installed at the upper end of the bucket block (52).
4. A mold for injection molding a rubber article according to claim 3, wherein: and a metal rod (7) is arranged in the middle of the interior of the piston (4).
5. The mold for injection molding a rubber article according to claim 4, wherein: and a driving device (6) for driving the metal rod (7) to move up and down is fixed in the middle of the inside of the metal pressing block (5), and the driving device (6) is a hydraulic cylinder.
6. The mold for injection molding a rubber article according to claim 1, wherein: and a base (1) is fixed below the lower die (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921653998.XU CN210820541U (en) | 2019-09-30 | 2019-09-30 | Pressure injection type mould for moulded rubber products |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921653998.XU CN210820541U (en) | 2019-09-30 | 2019-09-30 | Pressure injection type mould for moulded rubber products |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210820541U true CN210820541U (en) | 2020-06-23 |
Family
ID=71275118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921653998.XU Active CN210820541U (en) | 2019-09-30 | 2019-09-30 | Pressure injection type mould for moulded rubber products |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210820541U (en) |
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2019
- 2019-09-30 CN CN201921653998.XU patent/CN210820541U/en active Active
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