CN214872383U - Two-side sliding core-pulling mechanism of injection mold - Google Patents
Two-side sliding core-pulling mechanism of injection mold Download PDFInfo
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- CN214872383U CN214872383U CN202022962546.9U CN202022962546U CN214872383U CN 214872383 U CN214872383 U CN 214872383U CN 202022962546 U CN202022962546 U CN 202022962546U CN 214872383 U CN214872383 U CN 214872383U
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Abstract
The utility model relates to an injection mold technical field just discloses an injection mold's two side slide core pulling mechanisms, comprising a base plate, the lateral wall fixedly connected with limiting plate of bottom plate upside, the mounting hole has been seted up to the lateral wall on limiting plate right side, the mandrel has been cup jointed in the activity of mounting hole, the fixed cup joint of pore wall of mounting hole has the sleeve, the sleeve movable sleeve is located outside the mandrel, four rotation grooves have evenly been seted up to telescopic inner wall, the cell wall fixedly connected with fixed axle in rotation groove, the movable sleeve is equipped with spacing ball outside the fixed axle, spacing ball stretches out and rotates the groove. The utility model discloses can improve the stability of loosing core, effectual in-process mandrel of avoiding loosing core rocks the problem that leads to the product quality to reduce.
Description
Technical Field
The utility model relates to an injection mold technical field especially relates to an injection mold's smooth mechanism of loosing core of two sides.
Background
The injection mold is a common mold type, the injection mold performs molding by injecting a raw material in a molten state into a mold of the mold, and then performs cooling molding, a core mold is further required for molding a hollow or tubular plastic product, and a core pulling operation is required to pull out the core mold for demolding after molding is completed.
The existing core pulling mechanism adopts an oil cylinder to directly pull core, the single oil cylinder needs the oil cylinder to apply larger force for core pulling, and the core pulling mechanism lacks limitation on a core mold, so that the core mold is easy to slightly shake in the core pulling process, the inner wall of a product is deformed, and the forming quality of the product is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the shaking produced in the core pulling process of the core pulling mechanism in the prior art leads to the reduction of the forming quality, and the proposed bilateral sliding core pulling mechanism of the injection mold.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a double-side sliding core-pulling mechanism of an injection mold comprises a bottom plate, wherein a limiting plate is fixedly connected to the side wall of the upper side of the bottom plate, a mounting hole is formed in the side wall of the right side of the limiting plate, a core mold is movably sleeved in the mounting hole, a sleeve is fixedly sleeved on the hole wall of the mounting hole, the sleeve is movably sleeved outside the core mold, four rotating grooves are uniformly formed in the inner wall of the sleeve, a fixed shaft is fixedly connected to the groove wall of each rotating groove, a limiting ball is movably sleeved outside the fixed shaft and extends out of the rotating grooves, the limiting ball is tightly attached to the core mold, a first oil cylinder is fixedly connected to the side wall of the upper side of the bottom plate, a mounting plate is fixedly connected to the output end of the first oil cylinder, a rotating hole is formed in the side wall of the right side of the mounting plate, an internal thread cylinder is rotatably connected to the hole wall of the rotating hole through a bearing, and the right end of the internal thread cylinder extends out of the rotating hole, the left end fixedly connected with threaded rod of mandrel, the threaded rod screw thread cup joints in an internal thread section of thick bamboo, the lateral wall fixedly connected with sliding plate of mounting panel downside, the sliding tray has been seted up to the lateral wall of bottom plate upside, the lower extreme of sliding plate is located the sliding tray, the right side of mandrel is provided with the second hydro-cylinder, the bottom fixedly connected with fixed plate of second hydro-cylinder, the output of second hydro-cylinder and the output of first hydro-cylinder are on same water flat line.
Preferably, the side wall of the upper side of the bottom plate is fixedly connected with a U-shaped guide rod, the side wall of the left side of the sliding plate is provided with a guide hole, and the horizontal rod wall of the U-shaped guide rod penetrates through the sliding plate through the guide hole.
Preferably, the outer wall of the internal thread cylinder is symmetrically and fixedly connected with two push rods.
Preferably, the four corners of the lower surfaces of the bottom plate and the fixing plate are fixedly connected with pin holes.
Preferably, the output end of the second oil cylinder is fixedly connected with a push plate.
Preferably, the right end of the first oil cylinder is symmetrically and fixedly connected with two connecting blocks, and the connecting blocks are fixedly connected with the mounting plate through bolts.
Compared with the prior art, the utility model provides an injection mold's smooth mechanism of loosing core of two sides possesses following beneficial effect:
the double-side sliding core-pulling mechanism of the injection mold comprises a bottom plate, a limiting plate, a mounting hole, a core mold, a sleeve, a rotating groove, a fixed shaft, limiting balls, a first oil cylinder, a mounting plate, a rotating hole, an internal thread cylinder, a threaded rod, a sliding plate, a sliding groove, a second oil cylinder and a fixing plate, wherein the first oil cylinder and the second oil cylinder are controlled to operate when the double-side sliding core-pulling mechanism is used, the second oil cylinder pushes the core mold to move leftwards, the first oil cylinder drives the mounting plate to move leftwards, the mounting plate drives the internal thread cylinder to move leftwards, the internal thread cylinder drives the threaded rod to move leftwards, the threaded rod drives the core mold to move leftwards, the core mold can stably move in the horizontal direction through the mutual cooperation of the first oil cylinder and the second oil cylinder, the four limiting balls can limit the core mold, so that the core mold is prevented from shaking in the moving process, the sliding plate is mutually matched with the sliding groove, and the stability of the core mold in moving can be further improved, the problem that the quality of a product is reduced due to core pulling shaking is effectively avoided.
The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses can improve the stability of loosing core, effectual in-process mandrel of avoiding loosing core rocks the problem that leads to the product quality to reduce.
Drawings
Fig. 1 is a schematic structural diagram of a bilateral sliding core-pulling mechanism of an injection mold according to the present invention;
FIG. 2 is a schematic structural view of portion A of FIG. 1;
fig. 3 is a schematic structural view of a portion B in fig. 2.
In the figure: the device comprises a base plate 1, a limiting plate 2, a mounting hole 3, a core mold 4, a sleeve 5, a rotating groove 6, a fixing shaft 7, a limiting ball 8, a first oil cylinder 9, a mounting plate 10, a rotating hole 11, an internal thread cylinder 12, a threaded rod 13, a sliding plate 14, a sliding groove 15, a second oil cylinder 16, a fixing plate 17, a guide rod 18U-shaped, a guide hole 19, a push rod 20, a pin hole 21, a push plate 22, a connecting block 23 and a bolt 24.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-3, a bilateral sliding core-pulling mechanism of an injection mold comprises a base plate 1, a limiting plate 2 is fixedly connected to the side wall of the upper side of the base plate 1, a mounting hole 3 is formed in the side wall of the right side of the limiting plate 2, a core mold 4 is movably sleeved in the mounting hole 3, a sleeve 5 is fixedly sleeved on the hole wall of the mounting hole 3, the sleeve 5 is movably sleeved outside the core mold 4, four rotating grooves 6 are uniformly formed in the inner wall of the sleeve 5, a fixed shaft 7 is fixedly connected to the groove wall of each rotating groove 6, a limiting ball 8 is movably sleeved outside the fixed shaft 7, the limiting ball 8 extends out of each rotating groove 6, the limiting ball 8 is tightly attached to the core mold 4, a first oil cylinder 9 is fixedly connected to the side wall of the upper side of the base plate 1, a mounting plate 10 is fixedly connected to the output end of the first oil cylinder 9, a rotating hole 11 is formed in the side wall of the right side of the mounting plate 10, and an internal thread cylinder 12 is rotatably connected to the hole wall of the rotating hole 11 through a bearing, the right end of an internal thread cylinder 12 extends out of a rotating hole 11, the left end of a core mould 4 is fixedly connected with a threaded rod 13, the threaded rod 13 is in threaded sleeve connection with the internal thread cylinder 12, the side wall of the lower side of a mounting plate 10 is fixedly connected with a sliding plate 14, the side wall of the upper side of a bottom plate 1 is provided with a sliding groove 15, the lower end of the sliding plate 14 is positioned in the sliding groove 15, the right side of the core mould 4 is provided with a second oil cylinder 16, the bottom of the second oil cylinder 16 is fixedly connected with a fixing plate 17, the output end of the second oil cylinder 16 and the output end of a first oil cylinder 9 are on the same horizontal line, when the device is used, the first oil cylinder 9 and the second oil cylinder 16 are controlled to operate, the second oil cylinder 16 pushes the core mould 4 to move leftwards, the first oil cylinder 9 drives the mounting plate 10 to move leftwards, the mounting plate 10 drives the internal thread cylinder 12 to move leftwards, the internal thread cylinder 12 drives the threaded rod 13 to move leftwards, the core mould 4 is driven by the threaded rod 13 to move leftwards, and the first oil cylinder 9 and the second oil cylinder 16 are matched with each other, can make the steady removal of mandrel 4 in the horizontal direction, four spacing balls 8 can carry on spacingly to mandrel 4 to avoid mandrel 4 to produce at the in-process that removes and rock, sliding plate 14 mutually supports with sliding tray 15, can further improve the stability when mandrel 4 removes, effectually avoid loosing core in-process mandrel 4 to rock the problem that leads to the product quality to reduce.
The side wall fixedly connected with U type guide arm 18 of bottom plate 1 upside, guide hole 19 has been seted up to the left side wall of sliding plate 14, and the horizontal pole wall of U type guide arm 18 passes through sliding plate 14 through guide hole 19, and U type guide arm 18 and guide hole 19 mutually support, can carry out spacing to sliding plate 14, have improved the stability of sliding plate 14 to can improve the stability that mandrel 4 removed.
The outer wall of the internal thread cylinder 12 is symmetrically and fixedly connected with two push rods 20, and the push rods 20 can drive the internal thread cylinder to rotate so as to facilitate the installation of the core mold 4.
The equal fixedly connected with pinhole 21 in four corners department of bottom plate 1 and fixed plate 17 lower surface is convenient for carry out fixed mounting to bottom plate 1 and fixed plate 17.
The output end of the second oil cylinder 16 is fixedly connected with a push plate 22, and the push plate 22 can increase the contact area between the output end of the second oil cylinder 16 and the core mold 4, so that the pushing stability can be improved.
Two connecting blocks 23 of the right-hand member symmetry fixedly connected with of first hydro-cylinder 9, connecting block 23 pass through bolt 24 and mounting panel 10 fixed connection, are convenient for be connected first hydro-cylinder 9 and mounting panel 10, have improved the convenience of equipment.
The utility model discloses in, during the use, control first hydro-cylinder 9 and the operation of second hydro-cylinder 16, second hydro-cylinder 16 promotes mandrel 4 and removes left, first hydro-cylinder 9 drives mounting panel 10 and removes left, mounting panel 10 drives an internal thread section of thick bamboo 12 and removes left, an internal thread section of thick bamboo 12 drives threaded rod 13 and removes left, threaded rod 13 drives mandrel 4 and removes left, mutually support through first hydro-cylinder 9 and second hydro-cylinder 16, can make mandrel 4 steady removal on the horizontal direction, four spacing balls 8 can carry on spacingly to mandrel 4, thereby avoid mandrel 4 to produce at the in-process that removes and rock, sliding plate 14 mutually supports with sliding tray 15, stability when can further improving mandrel 4 and remove, effectual in-process mandrel 4 of avoiding loosing core rocks the problem that leads to the product quality to reduce.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The bilateral sliding core-pulling mechanism of the injection mold comprises a bottom plate (1) and is characterized in that a limiting plate (2) is fixedly connected to the side wall of the upper side of the bottom plate (1), a mounting hole (3) is formed in the side wall of the right side of the limiting plate (2), a core mold (4) is movably sleeved in the mounting hole (3), a sleeve (5) is fixedly sleeved on the hole wall of the mounting hole (3), the sleeve (5) is movably sleeved outside the core mold (4), four rotating grooves (6) are uniformly formed in the inner wall of the sleeve (5), a fixed shaft (7) is fixedly connected to the groove wall of each rotating groove (6), a limiting ball (8) is movably sleeved outside each fixed shaft (7), the limiting ball (8) extends out of each rotating groove (6), the limiting ball (8) is tightly attached to the core mold (4), a first oil cylinder (9) is fixedly connected to the side wall of the upper side of the bottom plate (1), the output end of the first oil cylinder (9) is fixedly connected with a mounting plate (10), the side wall on the right side of the mounting plate (10) is provided with a rotating hole (11), the hole wall of the rotating hole (11) is rotationally connected with an internal thread cylinder (12) through a bearing, the right end of the internal thread cylinder (12) extends out of the rotating hole (11), the left end of the core mould (4) is fixedly connected with a threaded rod (13), the threaded rod (13) is sleeved in the internal thread cylinder (12) in a threaded manner, the side wall of the lower side of the mounting plate (10) is fixedly connected with a sliding plate (14), the side wall of the upper side of the bottom plate (1) is provided with a sliding groove (15), the lower end of the sliding plate (14) is positioned in the sliding groove (15), a second oil cylinder (16) is arranged on the right side of the core mold (4), a fixing plate (17) is fixedly connected to the bottom of the second oil cylinder (16), the output end of the second oil cylinder (16) and the output end of the first oil cylinder (9) are on the same horizontal line.
2. The double-sided sliding core-pulling mechanism of the injection mold according to claim 1, wherein a U-shaped guide rod (18) is fixedly connected to the side wall of the upper side of the bottom plate (1), a guide hole (19) is formed in the side wall of the left side of the sliding plate (14), and the horizontal rod wall of the U-shaped guide rod (18) penetrates through the sliding plate (14) through the guide hole (19).
3. The double-sided sliding core-pulling mechanism of the injection mold according to claim 1, characterized in that two push rods (20) are symmetrically and fixedly connected to the outer wall of the internally threaded barrel (12).
4. The double-sided sliding core-pulling mechanism of the injection mold according to claim 1, characterized in that pin holes (21) are fixedly connected to four corners of the lower surfaces of the bottom plate (1) and the fixed plate (17).
5. The double-sided sliding core-pulling mechanism of the injection mold according to claim 1, wherein the output end of the second oil cylinder (16) is fixedly connected with a push plate (22).
6. The double-side sliding core pulling mechanism of the injection mold according to claim 1, wherein two connecting blocks (23) are symmetrically and fixedly connected to the right end of the first oil cylinder (9), and the connecting blocks (23) are fixedly connected with the mounting plate (10) through bolts (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022962546.9U CN214872383U (en) | 2020-12-10 | 2020-12-10 | Two-side sliding core-pulling mechanism of injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022962546.9U CN214872383U (en) | 2020-12-10 | 2020-12-10 | Two-side sliding core-pulling mechanism of injection mold |
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| CN214872383U true CN214872383U (en) | 2021-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022962546.9U Active CN214872383U (en) | 2020-12-10 | 2020-12-10 | Two-side sliding core-pulling mechanism of injection mold |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114789541A (en) * | 2022-06-23 | 2022-07-26 | 中北大学 | High-precision high-efficiency injection mold for double-layer barrel part with large length-diameter ratio and forming method thereof |
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2020
- 2020-12-10 CN CN202022962546.9U patent/CN214872383U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114789541A (en) * | 2022-06-23 | 2022-07-26 | 中北大学 | High-precision high-efficiency injection mold for double-layer barrel part with large length-diameter ratio and forming method thereof |
| CN114789541B (en) * | 2022-06-23 | 2022-09-20 | 中北大学 | High-precision high-efficiency injection mold for double-layer barrel part with large length-diameter ratio and forming method thereof |
| US11745402B2 (en) | 2022-06-23 | 2023-09-05 | North University Of China | High-precision and high-efficiency injection mold for high-aspect-ratio double-layer cylindrical plastic part and molding method using the same |
| WO2023246249A1 (en) * | 2022-06-23 | 2023-12-28 | 中北大学 | High-precision and high-efficiency injection mold for high-aspect-ratio double-layer cylindrical part, and molding method using same |
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