CN220331896U - Injection mold with limit structure - Google Patents

Injection mold with limit structure Download PDF

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Publication number
CN220331896U
CN220331896U CN202321658561.1U CN202321658561U CN220331896U CN 220331896 U CN220331896 U CN 220331896U CN 202321658561 U CN202321658561 U CN 202321658561U CN 220331896 U CN220331896 U CN 220331896U
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China
Prior art keywords
groove
fixedly connected
movable
limiting
mold
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Active
Application number
CN202321658561.1U
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Chinese (zh)
Inventor
张宝林
张松
陈丽
梁诗琛
刘持路
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Longkou Yuda Molding Co ltd
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Longkou Yuda Molding Co ltd
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Priority to CN202321658561.1U priority Critical patent/CN220331896U/en
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Abstract

The utility model provides an injection mold with a limiting structure, which relates to the technical field of injection molds and comprises a lower mold, wherein an injection groove is formed in the upper surface of the lower mold, a portal frame is fixedly arranged on the upper surface of the lower mold, a first air cylinder is fixedly arranged on the portal frame, a limiting mechanism is arranged below the first air cylinder, an upper mold is fixedly connected onto the limiting mechanism, a damping mechanism is arranged in the lower mold, the limiting mechanism is arranged, the limiting effect is achieved when the upper mold and the lower mold are clamped, displacement deviation of the upper mold under the driving of the first air cylinder is avoided, the accuracy of the upper mold and the lower mold during clamping is reduced, and the upper mold and the lower mold are convenient to be clamped again.

Description

Injection mold with limit structure
Technical Field
The utility model relates to the technical field of injection molds, in particular to an injection mold with a limiting structure.
Background
In the prior art, when an upper die and a lower die of an injection die are clamped, the upper die and the lower die are limited only through guide posts, so that the accuracy of the upper die and the lower die during clamping is difficult to ensure, after the upper die is opened, the upper die is separated from the guide posts of the lower die, the clamping is difficult again, and the condition that the dies are damaged is likely to occur, so that improvement is made, and the injection die with the limiting structure is provided.
Disclosure of Invention
The utility model mainly aims to provide an injection mold with a limiting structure, which can effectively solve the problems that when an upper mold and a lower mold of the injection mold are closed, the upper mold and the lower mold are limited only by guide posts, the accuracy of the upper mold and the lower mold is difficult to ensure when the upper mold and the lower mold are closed, and after the upper mold is opened, the upper mold is separated from the guide posts of the lower mold, so that the re-closing is difficult, and the mold is possibly damaged.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides an injection mold with limit structure, includes the bed die, the injection groove has been seted up to the bed die upper surface, bed die upper surface fixed mounting has the portal frame, fixed mounting has first cylinder on the portal frame, first cylinder below is provided with stop gear, fixedly connected with goes up the mould on the stop gear, the inside damper that is provided with of bed die.
Preferably, the lower die is internally provided with a mounting groove, the mounting groove penetrates through the injection molding groove, and a second cylinder is fixedly mounted in the mounting groove.
Preferably, the output end of the second cylinder is fixedly connected with a moving plate, and the moving plate is movably arranged in the injection molding groove.
Preferably, the four corners of the upper surface of the lower die are provided with movable grooves, the four corners of the lower die are provided with limiting grooves, the limiting grooves penetrate through the movable grooves, and the limiting grooves and the movable grooves are cross-shaped.
Preferably, the limiting mechanism comprises a connecting plate, the connecting plate is fixedly connected with the output end of the first cylinder, movable rods are fixedly connected to four corners of the lower surface of the connecting plate, and limiting blocks are fixedly connected to two sides of the lower end of each movable rod.
Preferably, the movable rod slides on the inner wall of the movable groove, and the limiting block slides along the inner wall of the limiting groove.
Preferably, the damping mechanism comprises four telescopic rods, each telescopic rod is located in each movable groove, each telescopic rod is fixedly connected with the lower surface of each movable rod, each telescopic rod output end is fixedly connected with a rubber pad, and the rubber pad is fixedly connected with the bottom wall of each movable groove.
Preferably, each telescopic rod is sleeved with a spring, and two ends of each spring are fixedly connected with the lower surface of the movable rod and the upper surface of the rubber pad respectively.
Compared with the prior art, the utility model has the following beneficial effects:
(1) Under the initial condition, the stopper is located the movable tank, drive the connecting plate through setting up first cylinder and remove downwards, through the removal of connecting plate, the synchronous mould downwardly moving that drives, when the connecting plate removes to with the bed die contact, go up the mould and stretch into the inslot of moulding plastics completely, this in-process, the movable rod slides at the movable tank inner wall, the stopper slides at the spacing inslot wall, through stop gear's setting, play spacing effect when not only closing die with the bed die, avoid going up the mould under the drive of first cylinder, take place displacement deviation, the accuracy when reducing last mould and bed die compound die, the compound die again of upper and lower mould of also being convenient for.
(2) When the connecting plate moves to contact with the lower die, the telescopic rod and the spring are compressed to a critical state, and the lower die is prevented from being damaged by impact force of the movable rod on the lower die under the driving of the first air cylinder through the arrangement of the rubber pad, so that the service life of the lower die is prolonged.
Drawings
FIG. 1 is a perspective view of the overall structure of the present utility model;
FIG. 2 is a schematic top view of the present utility model;
FIG. 3 is a schematic perspective view of the cross-sectional structure A-A of FIG. 2 according to the present utility model;
FIG. 4 is a schematic perspective view of the structure of section B-B in FIG. 2 according to the present utility model.
In the figure: 1. a lower die; 101. a movable groove; 102. a limit groove; 103. a mounting groove; 2. a portal frame; 3. a first cylinder; 4. a limiting mechanism; 401. a connecting plate; 402. a movable rod; 403. a limiting block; 5. an upper die; 6. a damping mechanism; 601. a telescopic rod; 602. a rubber pad; 603. a spring; 7. a moving plate; 8. a second cylinder; 9. and (5) an injection molding groove.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, 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.
As shown in fig. 1, 2 and 3, an injection mold with a limiting structure is provided in the embodiment of the utility model, and the injection mold comprises a lower mold 1, an injection groove 9 is formed on the upper surface of the lower mold 1, a portal frame 2 is fixedly installed on the upper surface of the lower mold 1, a first air cylinder 3 is fixedly installed on the portal frame 2, a limiting mechanism 4 is arranged below the first air cylinder 3, an upper mold 5 is fixedly connected on the limiting mechanism 4, and a damping mechanism 6 is arranged inside the lower mold 1.
As shown in fig. 1 and 3, in another embodiment of the present utility model, a mounting groove 103 is formed in the lower mold 1, the mounting groove 103 penetrates through the injection molding groove 9, a second air cylinder 8 is fixedly mounted in the mounting groove 103, the output end of the second air cylinder 8 is fixedly connected with a moving plate 7, and the moving plate 7 is movably disposed in the injection molding groove 9.
In this embodiment, the second air cylinder 8 is arranged to drive the moving plate 7 to move downwards until the moving plate 7 moves to contact with the bottom wall of the injection molding groove 9, and the second air cylinder 8 and the moving plate 7 are arranged to facilitate ejection of the injection molded part from the injection molding groove 9, so that the demolding efficiency is improved.
As shown in fig. 1 and 3, in another embodiment of the present utility model, movable slots 101 are formed at four corners of the upper surface of the lower mold 1, and limit slots 102 are formed at four corners of the lower mold 1, wherein the limit slots 102 penetrate through the movable slots 101, and the limit slots 102 and the movable slots 101 are cross-shaped.
In this embodiment, the limiting slot 102 is located in the movable slot 101.
As shown in fig. 1 and 4, in another embodiment of the present utility model, the limiting mechanism 4 includes a connection plate 401, the connection plate 401 is fixedly connected with the output end of the first cylinder 3, four corners of the lower surface of the connection plate 401 are fixedly connected with movable rods 402, two sides of the lower end of each movable rod 402 are fixedly connected with limiting blocks 403, the movable rods 402 slide on the inner wall of the movable groove 101, and the limiting blocks 403 slide along the inner wall of the limiting groove 102.
In this embodiment, in the initial state, the limiting block 403 is located in the movable groove 101, the first air cylinder 3 is set to drive the connecting plate 401 to move downwards, the movement of the connecting plate 401 synchronously drives the upper die 5 to move downwards, when the connecting plate 401 moves to be in contact with the lower die 1, the upper die 5 completely stretches into the injection groove 9, in this process, the movable rod 402 slides on the inner wall of the movable groove 101, the limiting block 403 slides on the inner wall of the limiting groove 102, and through the setting of the limiting mechanism 4, the limiting block not only plays a limiting role when the upper die 5 and the lower die 1 are clamped, avoids the displacement deviation of the upper die 5 under the driving of the first air cylinder 3, reduces the accuracy when the upper die 5 and the lower die 1 are clamped, but also facilitates the re-clamping of the upper die 5 and the lower die 1.
As shown in fig. 1 and 4, in another embodiment of the present utility model, the damping mechanism 6 includes four telescopic rods 601, each telescopic rod 601 is located in each movable slot 101, each telescopic rod 601 is fixedly connected with the lower surface of each movable rod 402, the output end of each telescopic rod 601 is fixedly connected with a rubber pad 602, the rubber pad 602 is fixedly connected with the bottom wall of the movable slot 101, a spring 603 is sleeved outside each telescopic rod 601, and two ends of the spring 603 are respectively fixedly connected with the lower surface of the movable rod 402 and the upper surface of the rubber pad 602.
In this embodiment, when the connection plate 401 moves to contact with the lower mold 1, the telescopic rod 601 and the spring 603 are compressed to a critical state, and the impact force of the movable rod 402 on the lower mold 1 caused by the driving of the first cylinder 3 is avoided to damage the lower mold 1 through the arrangement of the rubber pad 602, so that the service life of the lower mold 1 is reduced.
The working principle of the injection mold with the limiting structure is as follows:
when the movable plate is used, the second air cylinder 8 is started to drive the movable plate 7 to move downwards until the movable plate 7 moves to be in contact with the bottom wall of the injection molding groove 9, then the first air cylinder 3 is started to drive the connecting plate 401 to move downwards, the upper die 5 is synchronously driven to move downwards through the movement of the connecting plate 401, when the connecting plate 401 moves to be in contact with the lower die 1, the upper die 5 fully stretches into the injection molding groove 9, at the moment, the telescopic rod 601 and the spring 603 are compressed to a critical state, the movable rod 402 slides on the inner wall of the movable groove 101 in the process, and the limiting block 403 slides on the inner wall of the limiting groove 102;
then injecting injection molding raw materials into a cavity formed among the injection molding groove 9, the moving plate 7 and the upper die 5, after injection molding is completed, starting the first air cylinder 3 again to drive the upper die 5 to move upwards until a limiting block 403 fixedly connected with the movable rod 402 moves to be in contact with the upper wall of the limiting groove 102, finally starting the second air cylinder 8 to drive the moving plate 7 to move upwards, and driving injection molding parts on the moving plate 7 to move upwards through the movement of the moving plate 7, finally taking the injection molded parts out of the injection molding groove 9, and facilitating ejection of the injection molded parts from the injection molding groove 9 through the arrangement of the second air cylinder 8 and the moving plate 7, so that the demolding efficiency is improved.
It should be understood that the foregoing examples of the present utility model are merely illustrative of the present utility model and not limiting of the embodiments of the present utility model, and that various other changes and modifications can be made by those skilled in the art based on the above description, and it is not intended to be exhaustive of all of the embodiments, and all obvious changes and modifications that come within the scope of the utility model are defined by the following claims.

Claims (6)

1. Injection mold with limit structure, including bed die (1), its characterized in that: injection molding grooves (9) are formed in the upper surface of the lower die (1), a portal frame (2) is fixedly arranged on the upper surface of the lower die (1), a first air cylinder (3) is fixedly arranged on the portal frame (2), a limiting mechanism (4) is arranged below the first air cylinder (3), an upper die (5) is fixedly connected to the limiting mechanism (4), and a damping mechanism (6) is arranged in the lower die (1);
the limiting mechanism (4) comprises a connecting plate (401), the connecting plate (401) is fixedly connected with the output end of the first cylinder (3), movable rods (402) are fixedly connected to four corners of the lower surface of the connecting plate (401), and limiting blocks (403) are fixedly connected to two sides of the lower end of each movable rod (402);
the damping mechanism (6) comprises four telescopic rods (601), each telescopic rod (601) is located in each movable groove (101), each telescopic rod (601) is fixedly connected with the lower surface of each movable rod (402), each telescopic rod (601) output end is fixedly connected with a rubber pad (602), and the rubber pad (602) is fixedly connected with the bottom wall of each movable groove (101).
2. The injection mold with limiting structure according to claim 1, wherein: the lower die (1) is internally provided with a mounting groove (103), the mounting groove (103) is penetrated with an injection molding groove (9), and a second air cylinder (8) is fixedly arranged in the mounting groove (103).
3. An injection mold with a limiting structure according to claim 2, characterized in that: the output end of the second air cylinder (8) is fixedly connected with a moving plate (7), and the moving plate (7) is movably arranged in the injection molding groove (9).
4. An injection mold with a spacing structure according to claim 3, characterized in that: the upper surface four corners of lower mould (1) all have seted up movable groove (101), limit groove (102) have all been seted up to lower mould (1) four corners department, limit groove (102) run through with movable groove (101), limit groove (102) are cross with movable groove (101).
5. The injection mold with limiting structure according to claim 1, wherein: the movable rod (402) slides on the inner wall of the movable groove (101), and the limiting block (403) slides along the inner wall of the limiting groove (102).
6. The injection mold with limiting structure according to claim 1, wherein: and springs (603) are sleeved outside the telescopic rods (601), and two ends of each spring (603) are fixedly connected with the lower surface of the movable rod (402) and the upper surface of the rubber pad (602) respectively.
CN202321658561.1U 2023-06-28 2023-06-28 Injection mold with limit structure Active CN220331896U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321658561.1U CN220331896U (en) 2023-06-28 2023-06-28 Injection mold with limit structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321658561.1U CN220331896U (en) 2023-06-28 2023-06-28 Injection mold with limit structure

Publications (1)

Publication Number Publication Date
CN220331896U true CN220331896U (en) 2024-01-12

Family

ID=89461412

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321658561.1U Active CN220331896U (en) 2023-06-28 2023-06-28 Injection mold with limit structure

Country Status (1)

Country Link
CN (1) CN220331896U (en)

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