CN222875206U - A four-slider special-shaped ejector mold - Google Patents
A four-slider special-shaped ejector mold Download PDFInfo
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- CN222875206U CN222875206U CN202421598253.9U CN202421598253U CN222875206U CN 222875206 U CN222875206 U CN 222875206U CN 202421598253 U CN202421598253 U CN 202421598253U CN 222875206 U CN222875206 U CN 222875206U
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Abstract
本实用新型公开了一种四滑块异形顶针顶出模具，本实用新型涉及顶出模具技术领域。该四滑块异形顶针顶出模具，包括：下模主体，所述下模主体的顶部开设有注塑成型腔；顶出组件，所述顶出组件包括开设在下模主体内部的方形腔，以及分别开设在四个方形腔内壁的矩形开口，四个所述矩形开口的内壁均滑动设置有滑动块。本实用新型通过设置顶出组件，使该模具在对注塑成型腔内的产品进行脱模时，能够转动转动块带动顶杆将顶盘与注塑成型腔内底壁的圆形开口内顶出，从而实现自动将产品进行快速顶出的目的，而且能够带动顶杆向上移动，从能够实现将产品完全顶出注塑成型腔内部的目的，保证了产品被充分顶出，实用性较强。
The utility model discloses a four-slider special-shaped ejector mold, and the utility model relates to the technical field of ejector molds. The four-slider special-shaped ejector mold comprises: a lower mold body, the top of which is provided with an injection molding cavity; an ejector assembly, the ejector assembly comprising a square cavity provided inside the lower mold body, and rectangular openings respectively provided on the inner walls of four square cavities, and the inner walls of the four rectangular openings are all slidably provided with sliding blocks. The utility model sets an ejector assembly, so that when the mold demoulds the product in the injection molding cavity, the rotating block can be rotated to drive the ejector rod to eject the ejector plate from the circular opening of the bottom wall of the injection molding cavity, thereby achieving the purpose of automatically and quickly ejecting the product, and can also drive the ejector rod to move upward, so as to achieve the purpose of completely ejecting the product from the injection molding cavity, thereby ensuring that the product is fully ejected, and having strong practicality.
Description
Technical Field
The utility model relates to the technical field of ejection dies, in particular to a four-slider special-shaped ejector pin ejection die.
Background
The mold is a tool for manufacturing molded articles, the tool is composed of various parts, different molds are composed of different parts, the prior patent publication No. CN214188264U is a four-slider special-shaped ejector pin ejection mold, the mold comprises a bottom plate, a plurality of limiting blocks are symmetrically arranged on the bottom plate, cross-shaped channels are formed in the middle of the limiting blocks, material injection channels communicated with a cavity are formed at the joint of a first mold core and a second mold core, materials are injected into the cavity from the material injection channels, after the materials are cooled and molded, the mold is opened, a third mold core and a fourth mold core are separated firstly during mold opening, then the first mold core and the second mold core are separated, a jig is arranged at the top of an ejector pin seat, the ejector pin can eject molded products along the direction of a guide shaft under the action of the ejector pin seat, the ejector pin and the molded products are small in impact, the products are not easy to damage, the molded products are complete in structure, the mold can be prepared, and various molds are convenient to produce.
In view of the above related art, the inventor considers that the following defects are existed that in the process of using the ejection die in practice, sliding friction and impact occur between the ejector pin and the product in the process of ejecting the molded product by the ejector pin, thereby scratches are caused on the surface of the product and the quality of the product is affected.
Therefore, we propose a four-slider special-shaped ejector pin ejection die to solve the problems.
Disclosure of utility model
Aiming at the defects of the prior art, the utility model provides a four-slider special-shaped ejector pin ejection die, which solves the problem that products are easy to damage in the process of ejecting the products in the prior art.
In order to achieve the purpose, the utility model is realized by the following technical scheme that the four-slider special-shaped ejector pin ejection die comprises:
the upper die comprises a lower die main body, wherein an injection molding cavity is formed in the top of the lower die main body;
The ejector assembly is used for ejecting finished products inside the injection molding cavity and comprises a square cavity formed in the lower die main body and rectangular openings formed in the inner walls of the four square cavities, four inner walls of the rectangular openings are all provided with sliding blocks in a sliding mode, the inner top wall of the square cavity is provided with four circular openings corresponding to the four sliding blocks in a circumferential array mode, the inner walls of the four circular openings are all provided with ejector discs in a sliding mode, the upper surface of the sliding block is provided with a sealing cavity, the inner walls of the sealing cavity are provided with sealing piston plates in a sliding mode, the upper surface of the sealing piston plates is fixedly provided with rectangular blocks, the upper surfaces of the rectangular blocks are rotatably provided with ejector rods, the top ends of the ejector rods are rotatably connected with the lower surface of the ejector discs, the lower surface of the lower die main body is fixedly provided with square cylinders extending to the inner portions of the square cavities, the four inner walls of the square cylinders are all provided with cylindrical threaded grooves which are in threaded connection with the outer surfaces of the four threaded cylinders respectively, and the outer surfaces of the four square cylinders are provided with four threaded cylinders.
Preferably, the cross section shape of the top disc is T-shaped, and the outer surface of the top disc is sleeved with a rubber sealing sleeve.
Preferably, the upper surface of rectangular block and the lower surface of top tray have all set firmly the rotation frame, and the inner wall rotation of rotation frame is provided with the pivot, and the both ends of ejector pin are connected with the pivot surface fixed of two rotation frame inner walls respectively.
Preferably, the inner bottom wall of the square cylinder is rotatably provided with a rotating rod, the top end of the rotating rod is fixedly provided with a first bevel gear, and the end parts of the four threaded columns are fixedly provided with second bevel gears meshed with the first bevel gears.
Preferably, the inside wall of square section of thick bamboo rotates and is provided with the extension rod that extends to square section of thick bamboo surface, the turning block sets firmly the tip at the extension rod, and the bevel gear of intermeshing has all been set firmly on the other end of extension rod and the surface of turning rod.
Preferably, the upper surface of the sliding block is fixedly provided with a mounting block, the side surface of the mounting block is fixedly provided with a pressing type inflator pump, and the pressing end of the pressing type inflator pump is fixedly connected with the inner wall of the square cavity.
Preferably, the air inlet end and the air outlet end of the push type inflator pump are respectively provided with an air inlet one-way valve and an air outlet one-way valve, the air outlet end of the push type inflator pump is provided with an inflation tube extending to the inner top of the sealing cavity, the inner bottom wall of the sealing cavity is fixedly provided with a reset spring, and the top end of the reset spring is fixedly connected with the lower surface of the sealing piston plate.
Advantageous effects
The utility model provides a four-slider special-shaped ejector pin ejection die. Compared with the prior art, the method has the following beneficial effects:
This four slider dysmorphism thimble ejecting moulds through setting up ejecting subassembly, makes this mould when carrying out the drawing of patterns to the product in the injection molding die cavity, can rotate the pivoted piece and drive the ejector pin with ejector plate and the ejecting in the circular opening of injection molding intracavity diapire to realize carrying out quick ejecting purpose with the product voluntarily, can drive the ejector pin and upwards move moreover, follow can realize ejecting the product completely and mould plastics the inside purpose of die cavity, guaranteed that the product is fully ejecting, the practicality is stronger.
Drawings
Fig. 1 is a schematic perspective view of the present utility model.
FIG. 2 is a schematic cross-sectional view of the present utility model.
Fig. 3 is an enlarged schematic view of the structure of fig. 2a according to the present utility model.
Fig. 4 is an enlarged schematic view of the structure of fig. 2B according to the present utility model.
Fig. 5 is a schematic perspective view of four sliding blocks according to the present utility model.
In the figure:
100. a lower die main body;
200. injection molding the cavity;
300. The ejection assembly, 301, square cavities, 302, sliding blocks, 303, ejector plates, 304, sealing cavities, 305, sealing piston plates, 306, rectangular blocks, 307, ejector rods, 308, square cylinders, 309, threaded columns, 3010, cylindrical threaded grooves, 3011, rotating blocks, 3012, rotating frames, 3013, rotating shafts, 3014, rotating rods, 3015, first conical gears, 3016, second conical gears, 3017, extension rods, 3018, bevel gears, 3019, push type inflator pumps, 3020, inflator pipes, 3021 and return springs.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Examples
Referring to FIGS. 1-5, the utility model provides a technical scheme that a four-slider special-shaped ejector pin ejection die comprises:
the lower die body 100, the top of the lower die body 100 is provided with an injection molding cavity 200;
The ejecting assembly 300 is used for ejecting a finished product inside the injection molding cavity 200, the ejecting assembly 300 comprises a square cavity 301 formed inside the lower die main body 100 and rectangular openings formed in the inner walls of the four square cavities 301 respectively, sliding blocks 302 are arranged on the inner walls of the four rectangular openings in a sliding mode, four circular openings corresponding to the four sliding blocks 302 are formed in the inner top wall of the square cavity 301 in a circumferential array mode, an ejector disc 303 is arranged on the inner walls of the four circular openings in a sliding mode, the cross section of the ejector disc 303 is of a T shape, and a rubber sealing sleeve is sleeved on the outer surface of the ejector disc 303, so that the circular openings can be effectively sealed.
The upper surface of sliding block 302 has seted up sealed chamber 304, and sealed chamber 304's inner wall slip is provided with sealed piston plate 305, sealed piston plate 305's upper surface has set firmly rectangle piece 306, rectangle piece 306's upper surface rotation is provided with ejector pin 307, and ejector pin 307's top and the lower surface of footwall 303 rotate to be connected, rectangle piece 306's upper surface and footwall 303's lower surface have all set firmly the rotation frame 3012, rotation frame 3012's inner wall rotates and is provided with pivot 3013, and ejector pin 307's both ends respectively with the pivot 3013 fixed surface connection of two rotation frame 3012 inner walls, can drive ejector pin 307 through the removal of sliding block 302 and carry out the top to footwall 303 and move.
The lower surface of the lower die body 100 is fixedly provided with a square cylinder 308 extending into the square cavity 301, four inner side walls of the square cylinder 308 are provided with threaded columns 309 extending into the square cavity 301, the surfaces of the four sliding blocks 302 are provided with cylindrical threaded grooves 3010 which are respectively in threaded connection with the outer surfaces of the four threaded columns 309, and the outer surfaces of the square cylinder 308 are provided with rotating blocks 3011 for rotating the four threaded columns 309.
The inner bottom wall of the square cylinder 308 is rotatably provided with a rotating rod 3014, the top end of the rotating rod 3014 is fixedly provided with a first conical gear 3015, the end parts of the four threaded columns 309 are fixedly provided with second conical gears 3016 which are meshed with the first conical gears 3015, and the four threaded columns 309 can be driven to rotate simultaneously through the rotation of the rotating rod 3014.
The inside wall of square section of thick bamboo 308 rotates and is provided with the extension pole 3017 that extends to square section of thick bamboo 308 surface, and the rotor 3011 sets firmly the tip at extension pole 3017, and the other end of extension pole 3017 and the surface of rotor 3014 all set firmly intermeshing's bevel gear 3018, can drive the rotor 3014 through the rotor 3011 and rotate.
In this embodiment, by arranging the ejection assembly 300, when the mold is used for demolding a product in the injection molding cavity 200, the rotating block 3011 can be rotated to drive the ejector rod 307 to eject the ejector plate 303 from the circular opening of the bottom wall in the injection molding cavity 200, so that the purpose of automatically and rapidly ejecting the product is achieved, and in addition, friction and impact between the ejector rod 307 and the surface of the product can not be generated in the ejection process, thereby effectively achieving the purpose of avoiding product damage in the product ejection process and ensuring the product quality.
Examples
On the basis of the first embodiment, and unlike the first embodiment,
The upper surface of the sliding block 302 is fixedly provided with a mounting block, the side surface of the mounting block is fixedly provided with a push type inflator 3019, and the push end of the push type inflator 3019 is fixedly connected with the inner wall of the square cavity 301.
The air inlet end and the air outlet end of the push type inflator 3019 are respectively provided with an air inlet one-way valve and an air outlet one-way valve, the air outlet end of the push type inflator 3019 is provided with an inflation tube 3020 extending to the inner top of the sealing cavity 304, the inner bottom wall of the sealing cavity 304 is fixedly provided with a reset spring 3021, and the top end of the reset spring 3021 is fixedly connected with the lower surface of the sealing piston plate 305.
In this embodiment, by arranging the push-type inflator 3019, the ejector rod 307 can be driven to move upwards in the process of moving the sliding block 302 outwards, so that the purpose of completely ejecting the product out of the injection molding cavity 200 can be achieved, the product is ensured to be fully ejected, and the practicability is stronger.
During operation, when the product in the injection molding cavity 200 is demolded, the rotating block 3011 can be rotated to drive the extension rod 3017 to rotate, the rotation of the extension rod 3017 drives the rotating rod 3014 to rotate under the action of the two bevel gears 3018, the rotation of the rotating rod 3014 drives the first bevel gear 3015 to rotate, the rotation of the first bevel gear 3015 drives the four second bevel gears 3016 to rotate, thereby driving the four threaded columns 309 to rotate simultaneously, the rotation of the threaded columns 309 drives the four sliding blocks 302 to slide outwards simultaneously under the action of the cylindrical threaded grooves 3010, the sliding of the sliding blocks 302 drives the bottom ends of the ejector rods 307 to move outwards, thereby driving the ejector rods 307 to eject the ejector plates 303 out of the circular opening of the inner bottom wall of the injection molding cavity 200, and the movement of the sliding blocks 302 can enable the inner wall of the square cavity 301 to extrude the push type inflator 3019, so that the push type inflator 3019 inflates the inside of the sealing cavity 304 through the inflation tube 3020, the sealing plate 305 to move upwards, the rectangular blocks 306 are driven to move upwards, the ejector rods 307 can be pushed upwards, the purpose of ejecting products can be achieved, and the quality of the product can not be fully ejected out in the process can be guaranteed, and the product can be ejected out of the surface of the product more effectively.
And all that is not described in detail in this specification is well known to those skilled in the art.
Claims (7)
1. Four slider dysmorphism thimble ejector die, its characterized in that includes:
A lower die main body (100), wherein an injection molding cavity (200) is formed at the top of the lower die main body (100);
The ejection assembly (300) is used for ejecting a finished product in the injection molding cavity (200), the ejection assembly (300) comprises a square cavity (301) formed in the lower die main body (100) and rectangular openings formed in the inner walls of the four square cavities (301) respectively, four sliding blocks (302) are arranged on the inner walls of the rectangular openings in a sliding mode, four circular openings corresponding to the four sliding blocks (302) are formed in the inner top wall of the square cavity (301) in a circumferential array mode, an ejector disc (303) is arranged on the inner walls of the four circular openings in a sliding mode, a sealing cavity (304) is formed in the upper surface of the sliding block (302), a sealing piston plate (305) is arranged on the inner wall of the sealing cavity (304) in a sliding mode, rectangular blocks (306) are fixedly arranged on the upper surface of the sealing piston plate (305), ejector rods (307) are rotatably arranged on the upper surface of the rectangular blocks (306), the top ends of the ejector rods (307) are rotatably connected with the lower surface of the ejector disc (303), four circular openings corresponding to the four sliding blocks (302) are fixedly arranged on the lower surface of the lower die main body (100), threads of the inner side walls of the four cylindrical drums (308) are connected with the inner side walls (309) of the four cylindrical threaded columns (301) in a threaded mode, the threaded grooves (309) are formed in the threaded mode, the threaded grooves of the threaded grooves are formed in the inner surfaces of the cylindrical columns (309), the outer surface of the square cylinder (308) is provided with a rotating block (3011) for rotating the four threaded columns (309).
2. The four-slider special-shaped ejector pin ejection die of claim 1, wherein the ejector plate (303) is T-shaped in cross section, and a rubber sealing sleeve is sleeved on the outer surface of the ejector plate (303).
3. The four-slider special-shaped ejector pin ejection die of claim 1 is characterized in that a rotating frame (3012) is fixedly arranged on the upper surface of the rectangular block (306) and the lower surface of the ejector plate (303), a rotating shaft (3013) is rotatably arranged on the inner wall of the rotating frame (3012), and two ends of the ejector pin (307) are fixedly connected with the surfaces of the rotating shafts (3013) on the inner walls of the two rotating frames (3012) respectively.
4. The four-slider special-shaped ejector pin ejection die of claim 1 is characterized in that a rotating rod (3014) is rotatably arranged on the inner bottom wall of the square cylinder (308), a first conical gear (3015) is fixedly arranged at the top end of the rotating rod (3014), and second conical gears (3016) meshed with the first conical gears (3015) are fixedly arranged at the end parts of the four threaded columns (309).
5. The four-slider special-shaped ejector pin ejection die of claim 4, wherein an extension rod (3017) extending to the outer surface of the square cylinder (308) is rotatably arranged on the inner side wall of the square cylinder (308), the rotating block (3011) is fixedly arranged at the end part of the extension rod (3017), and bevel gears (3018) meshed with each other are fixedly arranged at the other end of the extension rod (3017) and the surface of the rotating rod (3014).
6. The four-slider special-shaped ejector pin ejection die of claim 1 is characterized in that an installation block is fixedly arranged on the upper surface of the sliding block (302), a pressing type inflator (3019) is fixedly arranged on the side face of the installation block, and the pressing end of the pressing type inflator (3019) is fixedly connected with the inner wall of the square cavity (301).
7. The four-slider special-shaped ejector pin ejection die of claim 6 is characterized in that an air inlet end and an air outlet end of the pressing type inflator pump (3019) are respectively provided with an air inlet one-way valve and an air outlet one-way valve, the air outlet end of the pressing type inflator pump (3019) is provided with an inflation tube (3020) extending to the inner top of the sealing cavity (304), a reset spring (3021) is fixedly arranged on the inner bottom wall of the sealing cavity (304), and the top end of the reset spring (3021) is fixedly connected with the lower surface of the sealing piston plate (305).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421598253.9U CN222875206U (en) | 2024-07-08 | 2024-07-08 | A four-slider special-shaped ejector mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421598253.9U CN222875206U (en) | 2024-07-08 | 2024-07-08 | A four-slider special-shaped ejector mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222875206U true CN222875206U (en) | 2025-05-16 |
Family
ID=95687344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421598253.9U Active CN222875206U (en) | 2024-07-08 | 2024-07-08 | A four-slider special-shaped ejector mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222875206U (en) |
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2024
- 2024-07-08 CN CN202421598253.9U patent/CN222875206U/en active Active
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