CN215550656U - Precise injection mold - Google Patents
Precise injection mold Download PDFInfo
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- CN215550656U CN215550656U CN202121788771.3U CN202121788771U CN215550656U CN 215550656 U CN215550656 U CN 215550656U CN 202121788771 U CN202121788771 U CN 202121788771U CN 215550656 U CN215550656 U CN 215550656U
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Abstract
The utility model discloses a precision injection mold, wherein a guide post is fixedly connected to the top end of a bottom mold, a top mold is connected to the top end of the guide post, an extraction pipe penetrates through the top end of the top mold, an injection molding hole is formed in the middle of the top end of the top mold, a fixing sealing groove is formed in the inner side of the bottom mold, an electromagnet is arranged in the fixing sealing groove, a limiting spring is clamped at one end of the electromagnet, a sealing frame is arranged at the side end of the top mold, the bottom mold and the top mold are mutually attached, the sealing frame and a sealing fixing plate are mutually clamped and fixed, a gap between the two molds is sealed, then the extraction pipe extracts air inside, so that the vacuum environment inside is ensured, the limiting sealing plate is adsorbed by the electromagnet, the rapid feeding is facilitated, the injection molding hole is limited and sealed by the limiting sealing plate, the external air is prevented from entering the inside before feeding, and air bubble holes are prevented from being easily generated during injection molding, meanwhile, the precision of the product is ensured.
Description
Technical Field
The utility model relates to the technical field of injection molding, in particular to a precise injection mold.
Background
The mold refers to various molds and tools for obtaining required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production, the processing of the appearance of the product is realized mainly by changing the physical state of the formed material, the mold is called as an industrial mother, the injection molding is a method for producing and molding industrial products, the products are generally rubber injection molding and plastic injection molding, and the injection molding can be an injection molding mold pressing method and a die casting method.
But at present in the process of moulding plastics, gaseous unable quick effectual exhaust in the mould has lead to appearing the bleb hole easily when injection moulding, leads to the product to mould plastics the back and can't use to increase the disability rate, can influence the precision of product simultaneously.
SUMMERY OF THE UTILITY MODEL
The utility model provides a precision injection mold, which can effectively solve the problems that in the prior art, in the injection molding process, gas in the mold can not be quickly and effectively exhausted, bubble holes are easy to appear during injection molding, the product can not be used after injection molding, the rejection rate is increased, and the precision of the product can be influenced.
In order to achieve the purpose, the utility model provides the following technical scheme: a precision injection mold comprises a bottom mold, wherein a sealing assembly is arranged on one side of the bottom mold, and comprises a guide column, a top mold, an extraction pipe, an injection molding hole, a fixed sealing groove, an electromagnet, a limiting spring, a limiting sealing plate, a sealing frame, a sealing fixing plate and a clamping sealing groove;
the utility model discloses a die block, including die block top, die block, bottom die, fixed seal groove, electro-magnet, fixed seal groove, sealed frame, bottom die top fixedly connected with guide post, guide post top sliding connection has the top mould, the top mould top runs through there is the extraction pipe, the hole of moulding plastics has been seted up at top mould top middle part, the die block inboard has been close to the hole position department of moulding plastics and has been seted up fixed seal groove, the electro-magnet is installed in the inboard embedding of fixed seal groove, electro-magnet one end joint has spacing spring, spacing spring keeps away from the one end welding of electro-magnet and has spacing closing plate, top mould side fixed mounting has sealed frame, the die block side corresponds sealed frame side fixed mounting and has sealed fixed plate, the sealed frame corresponds sealed fixed plate position department and has seted up the joint seal groove.
Preferably, the limiting sealing plate is slidably mounted on the inner side of the fixed sealing groove, a sealing ring is bonded to the bottom end of the sealing fixing plate, and the input end of the electromagnet is electrically connected with the output end of the external power supply.
Preferably, a discharging assembly is mounted on one side of the bottom die and comprises a limiting mounting groove, a limiting mounting plate, a pushing hydraulic cylinder, a pushing fixing column and a return spring;
the die block is characterized in that a limiting installation groove is formed in the inner side of the die block, a limiting installation plate is embedded in the inner side of the limiting installation groove, a pushing hydraulic cylinder is fixedly connected to the middle of the bottom end of the limiting installation plate, pushing fixing columns are welded to the bottom end of the limiting installation plate in an equidistant mode, a reset spring is welded to the side end of each pushing fixing column, and the top end of each reset spring is fixedly connected with the bottom end of the die block in a clamped mode.
Preferably, the bottom end of the pushing fixing column is installed at the bottom end of the bottom die in a penetrating mode, and the bottom end of the limiting installation plate is welded with the sealing installation plate.
Preferably, a cooling cavity is formed in the inner side of the bottom die, a water inlet pipe penetrates through one end of the bottom die, which is close to the cooling cavity, and a water drain pipe penetrates through one end of the bottom die, which is far away from the water inlet pipe.
Preferably, the bottom die is provided with an inlet and an outlet at positions corresponding to the water inlet pipe and the water outlet pipe, and the inner diameter of the water inlet pipe is equal to that of the water outlet pipe.
Compared with the prior art, the utility model has the beneficial effects that: the utility model has scientific and reasonable structure and safe and convenient use:
1. be provided with sealing assembly, through laminating die block and top mould each other, it is fixed with the mutual joint of seal frame and sealed fixed plate simultaneously, gap to between two moulds is sealed, extract inside air by the extraction pipe again, thereby the inside vacuum environment will be guaranteed, adsorb spacing closing plate through the electro-magnet, thereby be convenient for quick feeding, and restrict through spacing closing plate to the hole of moulding plastics and seal, thereby outside gas gets into inside before avoiding the feeding, avoid appearing the bubble hole easily when injection moulding, the precision of product has been guaranteed simultaneously.
2. Be provided with row material subassembly, drive the restriction mounting panel by promoting the pneumatic cylinder and slide, the restriction mounting panel drives and promotes the fixed column, with the quick release of product, promote the pneumatic cylinder and drive the restriction mounting panel by the discharge and carry out spacing resetting, the quick discharge product of being convenient for, the staff of being convenient for take the product, can guarantee the bottom seal when moulding plastics simultaneously, avoid appearing the condition of gas leakage.
3. Be provided with cooling chamber, inlet tube and drain pipe, by the inlet tube with the coolant liquid discharge cooling intracavity, discharge the coolant liquid through the drain pipe to quick cooling the product of die cavity, the shaping that makes the product can be quick has guaranteed the shaping speed of product.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model.
In the drawings:
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic structural view of the seal assembly of the present invention;
FIG. 3 is a schematic view of the mounting structure of the top mold of the present invention;
FIG. 4 is a schematic view of the discharge assembly of the present invention;
FIG. 5 is a schematic view of the mounting structure of the restrictor mounting plate of the present invention;
reference numbers in the figures: 1. bottom die;
2. a seal assembly; 201. a guide post; 202. carrying out top die; 203. an extraction pipe; 204. injection molding holes; 205. fixing a sealing groove; 206. an electromagnet; 207. a limiting spring; 208. a limit sealing plate; 209. a sealing frame; 210. sealing the fixed plate; 211. clamping and connecting the sealing grooves;
3. a discharge assembly; 301. limiting the mounting groove; 302. a restraining mounting plate; 303. pushing the hydraulic cylinder; 304. pushing the fixing column; 305. a return spring;
4. a cooling chamber; 5. a water inlet pipe; 6. and a water discharge pipe.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Example (b): as shown in fig. 1-5, the utility model provides a technical solution, a precision injection mold, which includes a bottom mold 1, a sealing assembly 2 is installed on one side of the bottom mold 1, and the sealing assembly 2 includes a guide post 201, a top mold 202, an extraction pipe 203, an injection molding hole 204, a fixing sealing groove 205, an electromagnet 206, a limiting spring 207, a limiting sealing plate 208, a sealing frame 209, a sealing fixing plate 210 and a clamping sealing groove 211;
the top end of the bottom die 1 is fixedly connected with a guide post 201, the top end of the guide post 201 is slidably connected with a top die 202, the top end of the top die 202 penetrates through an extraction pipe 203, the middle part of the top end of the top die 202 is provided with an injection hole 204, the position of the inner side of the bottom die 1, which is close to the injection hole 204, is provided with a fixed sealing groove 205, the inner side of the fixed sealing groove 205 is embedded and installed with an electromagnet 206, one end of the electromagnet 206 is clamped and connected with a limit spring 207, one end of the limit spring 207, which is far away from the electromagnet 206, is welded with a limit sealing plate 208, the limit sealing plate 208 is slidably installed at the inner side of the fixed sealing groove 205, so that limit fixing is convenient, the side end of the top die 202 is fixedly provided with a sealing frame 209, the side end of the bottom die 1, which corresponds to the side end of the sealing frame 209, is fixedly provided with a sealing fixing plate 210, the bottom end of the sealing plate 210 is bonded with a sealing ring, so that the sealing can be effectively fixed during sealing, and the sealing frame 209 is provided with a clamping sealing groove 211, the input end of the electromagnet 206 is electrically connected with the output end of an external power supply, and the model of the electromagnet 206 is BYH-10030.
A discharging component 3 is mounted on one side of the bottom die 1, and the discharging component 3 comprises a limiting mounting groove 301, a limiting mounting plate 302, a pushing hydraulic cylinder 303, a pushing fixing column 304 and a return spring 305;
The working principle and the using process of the utility model are as follows: when needs are moulded plastics, top mould 202 slides along guide post 201, thereby extrude the laminating each other with die block 1 and top mould 202, sealing frame 209 of top mould 202 side slides to sealed fixed plate 210 position department, sealed fixed plate 210 imbeds joint seal groove 211 inboard, thereby with die block 1 and top mould 202 fixed connection, and extract the air between die block 1 and top mould 202 through extraction tube 203, the air discharges through extraction tube 203, make after the joint is fixed, can be quick carry out the evacuation to inside air, after the evacuation, the rifle that will mould plastics aligns with injection molding hole 204, start electromagnet 206, adsorb spacing closing plate 208 by electromagnet 206, extrude spacing spring 207 when spacing closing plate 208 slides along fixed seal groove 205, through the rifle that moulds plastics raw materials, plastics raw materials discharges into the mould through injection molding hole 204, thereby the shaping has been guaranteed, simultaneously can not lead to the condition that the bubble hole appears in the product inside and the surface because of a large amount of air accumulation in the shaping simultaneously In addition, the precision of the product can be effectively guaranteed through air exhaust, after injection molding is completed, cooling liquid is discharged into the cooling cavity 4 through the water inlet pipe 5, and is discharged through the water discharge pipe 6, so that the product in the cavity can be rapidly cooled, the product can be rapidly molded, after molding is completed, air is discharged through the extraction pipe 203, the inside of the cavity is the same as the outside air pressure, and rapid mold opening is facilitated;
after the die sinking, start and promote pneumatic cylinder 303, it slides along restriction mounting groove 301 to drive restriction mounting panel 302 by promoting pneumatic cylinder 303, when restriction mounting panel 302 slides, promote fixed column 304 and be driven in step, thereby extrude reset spring 305, with the quick discharge of product, promote pneumatic cylinder 303 at the discharge and reset, and drive through reset spring 305 and promote fixed column 304 and slide and reset, thereby carry out spacing the reseing to restriction mounting panel 302, the quick discharge product of being convenient for, the staff of being convenient for takes the product.
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 changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. 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 precision injection mold, includes die block (1), its characterized in that: a sealing assembly (2) is installed on one side of the bottom die (1), and the sealing assembly (2) comprises a guide post (201), a top die (202), an extraction pipe (203), an injection molding hole (204), a fixing sealing groove (205), an electromagnet (206), a limiting spring (207), a limiting sealing plate (208), a sealing frame (209), a sealing fixing plate (210) and a clamping sealing groove (211);
the top end of the bottom die (1) is fixedly connected with a guide post (201), the top end of the guide post (201) is connected with a top die (202) in a sliding manner, an extraction pipe (203) penetrates through the top end of the top die (202), an injection molding hole (204) is formed in the middle of the top end of the top die (202), a fixed sealing groove (205) is arranged at the position of the inner side of the bottom die (1) close to the injection molding hole (204), an electromagnet (206) is embedded in the inner side of the fixed sealing groove (205), one end of the electromagnet (206) is clamped with a limit spring (207), a limit sealing plate (208) is welded at one end of the limit spring (207) far away from the electromagnet (206), a sealing frame (209) is fixedly arranged at the side end of the top die (202), a sealing fixing plate (210) is fixedly arranged at the side end of the bottom die (1) corresponding to the side end of the sealing frame (209), the sealing frame (209) is provided with a clamping sealing groove (211) corresponding to the position of the sealing fixing plate (210).
2. The precision injection mold of claim 1, wherein the limiting sealing plate (208) is slidably mounted inside the fixed sealing groove (205), a sealing ring is bonded to the bottom end of the sealing and fixing plate (210), and the input end of the electromagnet (206) is electrically connected to the output end of an external power supply.
3. The precision injection mold according to claim 1, characterized in that a discharging component (3) is installed on one side of the bottom mold (1), and the discharging component (3) comprises a limiting installation groove (301), a limiting installation plate (302), a pushing hydraulic cylinder (303), a pushing fixing column (304) and a return spring (305);
restriction mounting groove (301) have been seted up to die block (1) inboard, restriction mounting groove (301) inboard embedding is installed restriction mounting panel (302), restriction mounting panel (302) bottom middle part fixedly connected with promotes pneumatic cylinder (303), restriction mounting panel (302) bottom equidistance welding has promotion fixed column (304), it has reset spring (305) to promote fixed column (304) side welding, reset spring (305) top and die block (1) bottom end fixed joint.
4. The precision injection mold according to claim 3, wherein the bottom end of the pushing fixing column (304) is mounted through the bottom end of the bottom mold (1), and the bottom end of the limiting mounting plate (302) is welded with a sealing mounting plate.
5. The precision injection mold according to claim 1, wherein a cooling cavity (4) is formed in the inner side of the bottom mold (1), a water inlet pipe (5) penetrates through one end of the bottom mold (1) close to the cooling cavity (4), and a water drain pipe (6) penetrates through one end of the bottom mold (1) far away from the water inlet pipe (5).
6. The precision injection mold according to claim 5, wherein the bottom mold (1) is provided with an inlet and an outlet at positions corresponding to the water inlet pipe (5) and the water discharge pipe (6), and the inner diameter of the water inlet pipe (5) is equal to the inner diameter of the water discharge pipe (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121788771.3U CN215550656U (en) | 2021-08-03 | 2021-08-03 | Precise injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121788771.3U CN215550656U (en) | 2021-08-03 | 2021-08-03 | Precise injection mold |
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| Publication Number | Publication Date |
|---|---|
| CN215550656U true CN215550656U (en) | 2022-01-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121788771.3U Active CN215550656U (en) | 2021-08-03 | 2021-08-03 | Precise injection mold |
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| CN (1) | CN215550656U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113771292A (en) * | 2021-09-16 | 2021-12-10 | 庄浩鑫 | Injection mold for molding double-color product |
| CN116890420A (en) * | 2023-09-06 | 2023-10-17 | 江西行新汽车科技股份有限公司 | Novel compression-resistant and vibration-proof combined EPP packing box forming device |
| CN117227094A (en) * | 2023-08-11 | 2023-12-15 | 昆山鑫艾升特智能科技有限公司 | Hot runner injection mold system for deep hole plate |
-
2021
- 2021-08-03 CN CN202121788771.3U patent/CN215550656U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113771292A (en) * | 2021-09-16 | 2021-12-10 | 庄浩鑫 | Injection mold for molding double-color product |
| CN113771292B (en) * | 2021-09-16 | 2023-05-23 | 湘巨电子科技(昆山)有限公司 | Injection mold for molding double-color products |
| CN117227094A (en) * | 2023-08-11 | 2023-12-15 | 昆山鑫艾升特智能科技有限公司 | Hot runner injection mold system for deep hole plate |
| CN117227094B (en) * | 2023-08-11 | 2024-05-14 | 深圳市恒金塑胶模具有限公司 | Hot runner injection mold system for deep hole plate |
| CN116890420A (en) * | 2023-09-06 | 2023-10-17 | 江西行新汽车科技股份有限公司 | Novel compression-resistant and vibration-proof combined EPP packing box forming device |
| CN116890420B (en) * | 2023-09-06 | 2023-12-05 | 江西行新汽车科技股份有限公司 | Compression-resistant and vibration-proof combined EPP packing box forming device |
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