Box cover integrated lamination mold

By designing an integrated laminated mold for box lids, the combination of front and rear mold cores and middle templates and combined with the guide mechanism is used to achieve simultaneous production of box and lids, and solving the problems of high production costs and low efficiency in the prior art.

CN223045044UActive Publication Date: 2025-07-01FOSHAN NANHAI DISTRICT CHUANYI PRECISE MASCH CO LTD
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Patent Information

Application Number
CN202422048549.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-22
Publication Date
2025-07-01
Estimated Expiration
2034-08-22

AI Technical Summary

Technical Problem

In the prior art, the box and the lid need to be produced in two injection molding machines, resulting in high production costs, high equipment costs and low production efficiency.

Method used

A box-lid integrated laminated mold is designed, and the box and lid are produced simultaneously by combining the front mold core, front middle mold core, rear middle mold core and rear mold core, combined with the middle mold sheet and the guide mechanism.

Benefits of technology

The integrated box lid production is achieved, which reduces production costs, shortens product production cycles, and improves production efficiency.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223045044U_ABST
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Abstract

The utility model discloses a box cover integrated lamination mold, which relates to the technical field of injection molds and comprises a front mold core, a front middle mold core, a rear middle mold core and a rear mold core, the front mold core and the front middle mold core are used for manufacturing a box or a cover, and the rear middle mold core and the rear mold core are used for manufacturing the cover or the box. The front middle mold core and the rear middle mold core are fixedly connected through a middle mold plate, guide mechanisms are arranged on two sides of the middle mold plate, a panel is arranged on one side of the front mold core, a bottom plate is arranged on one side of the rear mold core, the panel and the bottom plate are respectively provided with guide columns with opposite angles complementary, the guide columns penetrate through the middle mold plate, and the middle mold plate is fixedly connected with the front middle mold core. A front mold plate is arranged between the panel and the front mold core, the panel, the front mold plate and the front mold core are connected through screws, a positioning ring is arranged in the center of the panel, and the panel is provided with a hot runner. The utility model has the beneficial effects that the box and the cover can be produced simultaneously, the cost is reduced, and the efficiency is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of injection molds, in particular to a box cover integrated laminated mold. Background Technique

[0002] For the development of injection molding machines in China, accelerating industrial restructuring, realizing technological upgrading, upgrading from production-oriented manufacturing to service-oriented manufacturing, improving the quality and efficiency of China's plastic products industry, and effectively ensuring the development of China's economic society and national defense construction will be the future development direction and major historical opportunity of China's injection molding machines. Therefore, in order to improve production efficiency, people are using various methods to increase the production beat of products; such as injection molding machines with two cavities in one mold, but this method requires the equipment to be nearly twice as large as that of a single-cavity mold equipment, and the energy consumption increases by about 80%; usually, when an injection molding machine is used in combination with a conventional mold, only 20% - 60% of the rated injection volume and mold thickness are used, and the performance of the injection molding machine is not fully utilized. However, the problem with the current technology is that the same set of boxes and lids need to be produced by two injection molding machines, which increases the customer's production cost. One more set of molds and injection molding machines is added at the same time, and the equipment cost is high. Customers have a wide demand for box cover integrated mold products. Therefore, there is an urgent need for a box cover integrated laminated mold to solve the above problems. Content of the Utility Model

[0003] In view of the above technical defects, the utility model provides a box cover integrated laminated mold to solve the problems raised in the above background technique.

[0004] To achieve the above object, the utility model provides the following technical solution: A box cover integrated laminated mold includes a front mold core, a front middle mold core, a rear middle mold core, and a rear mold core. The front mold core and the front middle mold core are used to make boxes or lids, and the rear middle mold core and the rear mold core are used to make lids or boxes. The front middle mold core and the rear middle mold core are fixedly connected through a middle template. Guide mechanisms are arranged on both sides of the middle template. A panel is arranged on one side of the front mold core, and a bottom plate is arranged on one side of the rear mold core. Guide columns that are complementary to each other diagonally are arranged on the panel and the bottom plate respectively, and the guide columns penetrate through the middle template.

[0005] Preferably, a front template is arranged between the panel and the front mold core. The panel, the front template, and the front mold core are connected by screws. A positioning ring is arranged at the center of the panel. A hot runner is arranged on the panel, and guide sleeves are arranged at the four corners of the panel respectively.

[0006] Preferably, the front middle mold core, the middle template, and the rear middle mold core are connected by screws, and a hot runner is arranged on the middle template.

[0007] Preferably, a rear template is provided between the rear mold core and the bottom plate. Guide sleeves are respectively provided at the four corners of the rear template, and two square irons are provided between the rear template and the bottom plate.

[0008] Preferably, a thimble plate is nested between the two square irons. A number of ejector rods are provided in the thimble plate, and the ejector rods penetrate through the rear template and extend into the rear mold core.

[0009] Preferably, the guiding mechanism includes a first rack and a second rack. The first rack is fixedly connected to the front template, and the second rack is fixedly connected to the rear template. The first rack and the second rack are parallel to each other and mesh with the gear set of the guiding mechanism.

[0010] Preferably, the gear set of the guiding mechanism includes a gear housing, a first side gear, a middle gear, and a second side gear. The middle gear is located between the first side gear and the second side gear, and the gear housing is detachably connected to the middle template.

[0011] Preferably, one side of the tooth flanks of the first rack and the second rack meshes with the middle gear, and the other sides are respectively in rolling connection with the first side gear and the second side gear.

[0012] Compared with the prior art, the beneficial effects of the box cover integrated laminated mold of the present utility model are as follows: The injection mold integrates the box and the lid, and can realize simultaneous production during mold closing, reducing the production cost, shortening the product production cycle, and greatly improving the production efficiency. Description of the Drawings

[0013] Figure 1 is a schematic structural diagram of the present utility model;

[0014] Figure 2 is an exploded structural diagram of the present utility model;

[0015] Figure 3 is a schematic structural diagram of the interior of the guiding mechanism;

[0016] Figure 4 is a schematic combined structural diagram of the gear set and the rack of the guiding mechanism.

[0017] In the figure: 1 - locating ring, 2 - panel, 3 - front template, 4 - front mold core, 5 - front middle mold core, 6 - middle template, 7 - rear middle mold core, 8 - rear mold core, 9 - rear template, 10 - square iron, 11 - thimble plate, 12 - bottom plate, 13 - ejector rod, 14 - guide post, 15 - guiding mechanism, 1501 - first rack, 1502 - second rack, 16 - gear housing, 17 - first side gear, 18 - middle gear, 19 - second side gear, 20 - box, 21 - lid, 22 - guide sleeve, 23 - first rack, 24 - second rack. Detailed implementation mode

[0018] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0019] Please refer to the attached Figures 1-4 , an embodiment provided by the present utility model: a box cover integrated laminated mold, including a front mold core 4, a front middle mold core 5, a rear middle mold core 7, and a rear mold core 8. The front mold core 4 and the front middle mold core 5 are used to manufacture the box 20 or the lid 21, and the rear middle mold core 7 and the rear mold core 8 are used to manufacture the lid 21 or the box 20. The front middle mold core 5 and the rear middle mold core 7 are fixedly connected through a middle template 6. Guide mechanisms 15 are arranged on both sides of the middle template 6. A panel 2 is arranged on one side of the front mold core 4, and a bottom plate 12 is arranged on one side of the rear mold core 8. Guide posts 14 that are complementary to each other diagonally are respectively arranged on the panel 2 and the bottom plate 12, and the guide posts 14 penetrate through the middle template 6.

[0020] A front template 3 is arranged between the panel 2 and the front mold core 4. The panel 2, the front template 3, and the front mold core 4 are connected by screws. A positioning ring 1 is arranged at the center of the panel 2. A hot runner is arranged on the panel 2, and guide sleeves 22 are respectively arranged at the four corners of the panel 2.

[0021] The front middle mold core 5, the middle template 6, and the rear middle mold core 7 are connected by screws, and a hot runner is arranged on the middle template 6.

[0022] The injection cavities are respectively formed by connecting the front mold core 4 with the front middle mold core 5 and the rear middle mold core 7 with the rear mold core 8, and then the hot runner plates of the panel 2 and the middle template 6 are used for splitting to realize the integrated molding of the box and the lid. The positioning ring 1 is aligned with the front plate of the injection molding machine, and the molten plastic enters the mold from the positioning ring 1 for molding processing.

[0023] A rear template 9 is arranged between the rear mold core 8 and the bottom plate 12. Guide sleeves 22 are respectively arranged at the four corners of the rear template 9. Two square irons 10 are arranged between the rear template 9 and the bottom plate 12.

[0024] A thimble plate 11 is nested between the two square irons 10. A number of ejector rods 13 are arranged in the thimble plate 11, and the ejector rods 13 penetrate through the rear template 9 and extend into the rear mold core 8.

[0025] The four corners of the rear template 9 and the front template 3 are provided with guide sleeves 22 for guiding and fixing the guide pillars 14 of the mold, ensuring the accuracy and stability during the closing and opening of the mold. The square iron 10 is located between the rear template 9 and the bottom plate 12, providing additional support and reinforcement to enhance the structural strength and stability of the mold. The ejector plate 11 ejects the lid 21 through the ejector rod 13.

[0026] The guiding mechanism 15 includes a first rack 23 and a second rack 24. The first rack 23 is fixedly connected to the front template 3, and the second rack 24 is fixedly connected to the rear template 9. The first rack 23 and the second rack 24 are parallel to each other and mesh with the gear set of the guiding mechanism 15.

[0027] The gear set of the guiding mechanism 15 includes a gear housing 16, a first side gear 17, a middle gear 18, and a second side gear 19. The middle gear 18 is located between the first side gear 17 and the second side gear 19, and the gear housing 16 is detachably connected to the middle template 6.

[0028] One side of the teeth of the first rack 23 and the second rack 24 meshes with the middle gear 18, and the other side is respectively in rolling connection with the first side gear 17 and the second side gear 19.

[0029] The first rack 23 and the second rack 24 ensure the smooth closing and opening of the front mold core 4, the front middle mold core 5, the rear middle mold core 7, and the rear mold core 8. The racks mesh with the gear set of the guiding mechanism to form a transmission system, enabling the guiding mechanism to accurately guide the movement trajectories of the front mold core 4, the front middle mold core 5, the rear middle mold core 7, and the rear mold core 8, ensuring the working stability and precision of the box-lid integrated laminated mold.

[0030] The gear housing 16, the first side gear 17, the middle gear 18, and the second side gear 19 enable the correct meshing and transmission between the first rack 23, the second rack 24, and the gears. The gear housing 16 is detachably connected to the middle template 6, which facilitates the maintenance and replacement of the gear set and the racks. One side of the teeth of the racks meshes with the middle gear, and the other side is respectively in rolling connection with the first side gear and the second side gear, enabling stable power transmission during movement and ensuring the coordinated movement of each component of the mold.

[0031] The specific working mode of the mold is as follows: When the injection molding machine closes the mold, the front mold core 4 and the front middle mold core 5 form the injection cavity for the box 20, and the rear middle mold core 7 and the rear mold core 8 form the injection cavity for the lid 21, enabling the simultaneous production of the box 20 and the lid 21; after the mold is opened, the box 20 is blown out by the front mold air ejector, and the lid 21 is ejected by the rear mold ejector plate 11 and the ejector rod 13, completing the synchronous production of the box 20 and the lid 21 and improving the efficiency of synchronous production.

[0032] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above-mentioned exemplary embodiments, and the present utility model can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be embraced within the present utility model. Any reference signs in the claims should not be construed as limiting the claims involved.

Claims

1. A box cover integrated lamination mold, characterized in that: The invention comprises a front mold core (4), a front middle mold core (5), a rear middle mold core (7) and a rear mold core (8); the front mold core (4) and the front middle mold core (5) are used to make a box (20) or a cover (21); the rear middle mold core (7) and the rear mold core (8) are used to make a cover (21) or a box (20); the front middle mold core (5) and the rear middle mold core (7) are fixedly connected via a middle mold plate (6); guide mechanisms (15) are arranged on both sides of the middle mold plate (6); a panel (2) is arranged on one side of the front mold core (4); a bottom plate (12) is arranged on one side of the rear mold core (8); the panel (2) and the bottom plate (12) are respectively provided with diagonally complementary guide posts (14); the guide posts (14) pass through the middle mold plate (6).

2. According to claim 1, a box cover integrated laminated mold, characterized in that: A front mold plate (3) is arranged between the panel (2) and the front mold core (4); the panel (2), the front mold plate (3) and the front mold core (4) are connected by screws; a positioning ring (1) is arranged at the center of the panel (2); the panel (2) is provided with a hot runner; and guide sleeves (22) are respectively arranged at the four corners of the panel (2).

3. According to claim 2, a box cover integrated laminated mold is characterized in that: The front middle mold core (5), the middle mold plate (6), and the rear middle mold core (7) are connected by screws, and the middle mold plate (6) is provided with a hot runner.

4. The integrated lamination mold for a box cover according to claim 3, characterized in that: A rear template (9) is arranged between the rear mold core (8) and the bottom plate (12), guide sleeves (22) are respectively arranged at the four corners of the rear template (9), and two square irons (10) are arranged between the rear template (9) and the bottom plate (12).

5. The integrated lamination mold for a box cover according to claim 4, characterized in that: A push pin plate (11) is nested between the two square irons (10), and a plurality of push pins (13) are arranged in the push pin plate (11). The push pins (13) penetrate the rear mold plate (9) and extend into the rear mold core (8).

6. The integrated lamination mold for a box cover according to claim 4, characterized in that: The guide mechanism (15) comprises a first rack (23) and a second rack (24); the first rack (23) is fixedly connected to the front template (3), and the second rack (24) is fixedly connected to the rear template (9); the first rack (23) and the second rack (24) are parallel to each other and mesh with the gear set of the guide mechanism (15).

7. The box cover integrated laminated mold according to claim 6, characterized in that: The gear set of the guide mechanism (15) comprises a gear housing (16), a first side wheel (17), a middle gear (18), and a second side wheel (19); the middle gear (18) is located between the first side wheel (17) and the second side wheel (19); and the gear housing (16) and the middle template (6) are connected in a detachable manner.

8. The box cover integrated laminated mold according to claim 7, characterized in that: One side of the teeth of the first rack (23) and the second rack (24) is meshed with the middle gear (18), and the other side is rollingly connected to the first side wheel (17) and the second side wheel (19) respectively.