Large-size mold supporting and adjusting device capable of stably operating

By using a stationary pulley set and a moving pulley set on the EPS molding equipment to achieve rolling contact with the stainless steel guide rod, the problem of unbalanced operation of large-size molds is solved, the mold can be smoothly operated and friction loss can be reduced, thereby improving the service life of the mold and product quality.

CN223383821UActive Publication Date: 2025-09-26HANGZHOU HUACE PACKAGING CO LTD
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Patent Information

Application Number
CN202422645279.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-31
Publication Date
2025-09-26
Estimated Expiration
2034-10-31

AI Technical Summary

Technical Problem

In the existing technology, when the thickness of a large-size mold exceeds the normal operating range of the EPS molding equipment, the mold and the equipment will operate unbalanced, resulting in mold tilting, misalignment, extrusion and friction, affecting product quality and mold life.

Method used

The stationary pulley group and the moving pulley group are in rolling contact with the stainless steel equipment guide rod to support the moving mold frame and the fixed mold core, ensuring the stability of the mold closing and demoulding process and reducing friction resistance.

Benefits of technology

It enables large-size molds to run smoothly on EPS molding equipment, avoids mold tilting and friction loss, and improves mold quality and life.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a large-size mould supporting and adjusting device capable of stably operating, which comprises two fixed equipment templates and a movable equipment template, four stainless steel equipment guide rods are fixedly connected between the two fixed equipment templates, and the movable equipment template is slidably connected between the stainless steel equipment guide rods. A movable mold frame is fixed to the middle of the equipment movable mold plate, a fixed mold frame is fixed to the middle of the equipment fixed mold plate, a fixed mold core is fixed to the middle of the fixed mold frame, a mold cavity matched with the fixed mold core is formed in the middle of the movable mold frame, and the static pulley block is connected between the movable mold frame and the stainless steel equipment guide rod. The movable pulley blocks are arranged on the two sides of the fixed mold core and play a role in supporting the front end of the movable mold frame, so that the movable mold frame cannot incline in the moving process, and similarly, the movable pulley blocks capable of moving are arranged on the two sides of the fixed mold core and can play a role in supporting the front end of the fixed mold core before mold closing, so that the fixed mold core cannot incline.
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Description

Technical Field

[0001] The utility model relates to the technical field of EPS forming molds, in particular to a large-size mold support and adjustment device that can operate smoothly. Background Art

[0002] EPS molding is a technology that physically expands and processes expanded polystyrene particles into various shapes. First, the EPS raw material particles are pre-foamed in steam, then aged to absorb air and form a vacuum. Then, in a secondary foaming process, they rapidly expand and form. The formed EPS products are cut and trimmed as needed.

[0003] Chinese Patent Publication No. CN218948257U discloses an EPS plastic foam mold that is easy to demold. The mold includes a fixed horizontal plate and two support plates fixed to the bottom of the fixed horizontal plate. A fixed groove is provided at the bottom of the fixed horizontal plate. A two-way threaded rod is rotatably connected to the inner side wall of the fixed groove. A fixed plate is fixedly connected to the outer side wall of the fixed horizontal plate. A servo motor is fixedly connected to the top of the fixed plate. The output end of the servo motor is fixedly connected to the end of the two-way threaded rod. The outer side wall of the two-way threaded rod is threadedly sleeved with two sliders that slide with the inner side wall of the fixed groove. In the utility model, under the interaction of the fixed horizontal plate, the support plate, the two-way threaded rod, the fixed plate, the servo motor, the sliders, the foam module and the demolding device, during the process of making EPS plastic foam by the foam module, the servo motor drives the two-way threaded rod to allow the demolding device to demold the formed EPS plastic foam. This device makes demolding of the EPS plastic foam easier and is less likely to damage the formed EPS plastic foam.

[0004] The above technology is only applicable to the automatic demoulding process of small molds. When the mold thickness exceeds the normal travel range of the EPS molding equipment, the total weight of the mold body and the equipment's movable template increases, which will cause the model to tilt forward. The weight of the mold and the equipment causes the operation balance to fail. Due to the unbalanced operation, during the opening and closing of the equipment, the movable mold cavity and the fixed mold cavity will be misaligned, squeezed and rubbed against each other, resulting in excessive wear of the mold cavity, affecting product quality and mold service life. For this reason, the utility model discloses a large-size mold support adjustment device that can operate smoothly to solve the above problems. Utility Model Content

[0005] The purpose of the present utility model is to provide a large-size mold support and adjustment device that can operate smoothly, so as to solve the problem raised in the above background technology that when the mold thickness exceeds the normal use stroke range of the EPS molding equipment, the total weight of the mold body and the equipment moving template increases, which will cause the model to tilt forward, and the weight of the mold and the equipment will cause the operation balance to fail. Due to the unbalanced operation, during the opening and closing of the equipment, the moving mold cavity and the fixed mold cavity will be misaligned, squeezed and rubbed against each other, resulting in excessive wear of the mold cavity, affecting product quality and mold service life.

[0006] To achieve the above objectives, the utility model solves the above technical problems with the following solutions: a large-size mold support and adjustment device that can operate smoothly, comprising a device fixed template and a device movable template, four stainless steel device guide rods are fixedly connected between the two device fixed templates, a device movable template is slidably connected between the stainless steel device guide rods, a movable mold frame is fixed in the middle of the device movable template, a fixed mold frame is fixed in the middle of the device fixed template, a fixed mold core is fixed in the middle of the fixed mold frame, and a mold cavity that cooperates with the fixed mold core is opened in the middle of the movable mold frame;

[0007] Among them, stationary pulley groups are installed on both sides of the movable mold frame, synchronous telescopic components are installed on both sides of the fixed mold core, and movable pulley groups are installed on the bottom of the telescopic components, and the stationary pulley groups and the movable pulley groups are both in contact with and supported by adjacent stainless steel equipment guide rods.

[0008] As a further solution of the present invention, the synchronous telescopic component includes a slide groove opened on the side wall of the fixed model core and a linear guide rod slidably embedded in the fixed template of the equipment. A support plate is fixed at one end of the linear guide rod, and a movable pulley group is installed at the bottom end of the support plate. A slide plate is fixed on one side of the top of the support plate, and the slide plate extends into the slide groove at one end away from the support plate. A reset spring is provided on the outside of the linear guide rod and between the support plate and the fixed template of the equipment.

[0009] As a further solution of the present invention, the stationary pulley group includes a first reinforcement support welded and fixed to the movable mold frame, a first wheel fork is fixed with screws on the lower side of the first reinforcement support, a first roller is rotatably connected between the two sides of the first wheel fork, and the first roller can roll along the adjacent stainless steel equipment guide rod.

[0010] As a further solution of the present invention, the movable pulley group includes a second reinforcement support welded and fixed to the support plate, a second wheel fork is fixed with screws on the lower side of the second reinforcement support, a second roller is rotatably connected between the two sides of the second wheel fork, and the second roller can roll along the adjacent stainless steel equipment guide rod.

[0011] As a further solution of the present invention, the four stainless steel equipment guide rods are respectively located at the four corners of the equipment fixed template, and the stainless steel equipment guide rods all pass through the equipment movable template.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] 1. This utility model provides a large-scale mold support and adjustment device that can operate smoothly. The stationary pulley group is connected between the movable mold frame and the stainless steel equipment guide rod, which plays the role of supporting the front end of the movable mold frame, so that the movable mold frame will not tilt during movement. Similarly, the movable movable pulley groups are provided on both sides of the fixed mold core to support the front end of the fixed mold core before mold closing, so that the fixed mold core will not tilt and achieve precise mold closing.

[0014] 2. This new, stable large-size mold support and adjustment device allows the movable pulley assembly to gradually move to the end of the fixed mold core during mold closing, without affecting the normal mold closing process. During the subsequent mold release process, under the elastic force of the return spring, the movable pulley assembly can gradually move to the front end of the fixed mold core as the mold is released, providing re-support so that the secondary mold closing process can proceed smoothly.

[0015] 3. The utility model is a large-size mold support and adjustment device that can operate smoothly. The stationary pulley group and the movable pulley group respectively make rolling contact with the stainless steel equipment guide rod by means of the first roller and the second roller, which can reduce friction resistance, reduce friction loss, and improve the quality and life of the mold. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The present invention is further described below with reference to the accompanying drawings and embodiments:

[0017] Figure 1 This is a three-dimensional diagram of a large-size mold support and adjustment device that can operate smoothly in the utility model;

[0018] Figure 2 This is a large-size mold support adjustment device that can run smoothly. Figure 1 A magnified view of the structure at point A;

[0019] Figure 3 This is a side view of a large-size mold support and adjustment device that can operate smoothly in the utility model;

[0020] Figure 4 This is a three-dimensional structural diagram of a stationary pulley group in a large-size mold support and adjustment device that can operate smoothly in the utility model.

[0021] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0022] 1. Equipment fixed template; 11. Fixed mold frame; 12. Fixed model core; 2. Equipment mobile template; 21. Mobile mold frame; 22. Model cavity; 3. Stainless steel equipment guide rod; 4. Stationary pulley group; 41. First reinforcement support; 42. First wheel fork; 43. First roller; 5. Synchronous telescopic component; 51. Slide; 52. Linear guide rod; 53. Support plate; 54. Slide plate; 55. Return spring; 6. Mobile pulley group; 61. Second reinforcement support; 62. Second wheel fork; 63. Second roller. DETAILED DESCRIPTION

[0023] The present invention will be further described below with reference to the embodiments.

[0024] See also Figure 1-4 The utility model provides a large-size mold support and adjustment device that can operate smoothly, including a fixed equipment template 1 and a movable equipment template 2. Four stainless steel equipment guide rods 3 are fixedly connected between the two fixed equipment templates 1. The movable equipment template 2 is slidably connected between the stainless steel equipment guide rods 3. The four stainless steel equipment guide rods 3 are respectively located at the four corners of the fixed equipment template 1, and the stainless steel equipment guide rods 3 all pass through the movable equipment template 2.

[0025] Specifically, the setting of the stainless steel equipment guide rod 3 helps to ensure the stability and accuracy of the mold during the mold closing and demolding process, and can maintain smooth operation when the mold thickness exceeds the stroke range of conventional EPS molding equipment, avoiding the tilting problem caused by the increase in weight.

[0026] Furthermore, a movable mold frame 21 is fixed in the middle of the movable mold plate 2 of the equipment, a fixed mold frame 11 is fixed in the middle of the fixed mold plate 1 of the equipment, a fixed mold core 12 is fixed in the middle of the fixed mold frame 11, and a mold cavity 22 is opened in the middle of the movable mold frame 21 to cooperate with the fixed mold core 12;

[0027] Specifically, during the working process of the mold, the equipment moving template 2 will slide along the stainless steel equipment guide rod 3, so that the moving mold frame 21 is close to or away from the fixed mold frame 11. When the mold is closed, the model cavity 22 in the moving mold frame 21 is tightly combined with the fixed model core 12 to form a closed cavity, in which the EPS raw material particles expand and form. During demolding, the equipment moving template 2 slides to separate the moving mold frame 21 from the fixed mold frame 11 so that the molded EPS product can be taken out.

[0028] Furthermore, a stationary pulley assembly 4 is installed on both sides of the movable mold frame 21. The stationary pulley assembly 4 includes a first reinforcement support 41 welded and fixed to the movable mold frame 21. A first wheel fork 42 is screwed to the lower side of the first reinforcement support 41. A first roller 43 is rotatably connected between the two sides of the first wheel fork 42. The first roller 43 can roll along the adjacent stainless steel equipment guide rod 3.

[0029] Specifically, during the mold closing process, the first roller 43 moves along the stainless steel equipment guide rod 3, thereby supporting the front end of the movable mold frame 21 and preventing the front end of the movable mold frame 21 from tilting.

[0030] Furthermore, synchronous telescopic components 5 are installed on both sides of the fixed model core 12, and the static pulley group 4 and the movable pulley group 6 are both in contact with and supported by the adjacent stainless steel equipment guide rod 3. The synchronous telescopic component 5 includes a slide groove 51 opened on the side wall of the fixed model core 12 and a linear guide rod 52 slidably embedded in the equipment fixed template 1, one end of the linear guide rod 52 is fixed with a support plate 53, the bottom end of the support plate 53 is installed with the movable pulley group 6, and a slide plate 54 is fixed to one side of the top of the support plate 53. The end of the slide plate 54 extends into the slide groove 51 away from the support plate 53, and a return spring 55 is sleeved on the outside of the linear guide rod 52 and located between the support plate 53 and the equipment fixed template 1;

[0031] Specifically, during the mold closing process, the movable pulley group 6 gradually moves to the end of the fixed model core 12 as the mold closing process proceeds, which will not affect the normal mold closing process. In the subsequent demolding process, under the elastic force of the reset spring 55, the movable pulley group 6 can gradually move to the front end of the fixed model core 12 as the mold closing process proceeds, playing a role of re-support so that the secondary mold closing process can proceed smoothly.

[0032] Furthermore, a movable pulley set 6 is installed at the bottom of each of the retractable components 5. The movable pulley set 6 includes a second reinforcement support 61 welded and fixed to the support plate 53. A second fork 62 is fixed to the lower side of the second reinforcement support 61 by screws. A second roller 63 is rotatably connected between the two sides of the second fork 62. The second roller 63 can roll along the adjacent stainless steel equipment guide rod 3.

[0033] Specifically, before mold closing, the second roller 63 moves along the stainless steel equipment guide rod 3, thereby supporting the front end of the fixed mold core 12 to prevent the front end of the fixed mold core 12 from tilting.

[0034] Working principle: When in use, during the mold closing process, the mobile pulley group 6 gradually moves to the end of the fixed model core 12 as the mold closing process proceeds, which will not affect the normal mold closing process. In the subsequent demolding process, under the elastic force of the reset spring 55, the mobile pulley group 6 can gradually move to the front end of the fixed model core 12 as the mold closing process proceeds, playing a role of re-support, so that the secondary mold closing process can proceed smoothly, and the stationary pulley group 4 moves synchronously with the mobile mold frame 21 as the mold closing and demolding processes proceed, and can support the mobile mold frame 21 throughout the process without any tilting problems.

Claims

1. A large-size mold support and adjustment device capable of running smoothly, comprising a fixed equipment template (1) and a movable equipment template (2), characterized in that: Four stainless steel equipment guide rods (3) are fixedly connected between the two equipment fixed templates (1), a equipment movable template (2) is slidably connected between the stainless steel equipment guide rods (3), a movable mold frame (21) is fixed in the middle of the equipment movable template (2), a fixed mold frame (11) is fixed in the middle of the equipment fixed template (1), a fixed mold core (12) is fixed in the middle of the fixed mold frame (11), and a mold cavity (22) is opened in the middle of the movable mold frame (21) to match the fixed mold core (12); Wherein, both sides of the movable mold frame (21) are installed with a stationary pulley group (4), both sides of the fixed mold core (12) are installed with a synchronous telescopic component (5), the bottom of the synchronous telescopic component (5) is installed with a movable pulley group (6), and the stationary pulley group (4) and the movable pulley group (6) are both in contact with and supported by the adjacent stainless steel equipment guide rod (3).

2. A large-size mold support and adjustment device capable of stable operation according to claim 1, characterized in that: The synchronous telescopic component (5) comprises a slide groove (51) provided on the side wall of the fixed model core (12) and a linear guide rod (52) slidably embedded in the fixed template (1) of the equipment, a support plate (53) being fixed at one end of the linear guide rod (52), a movable pulley group (6) being installed at the bottom end of the support plate (53), a slide plate (54) being fixed at one side of the top end of the support plate (53), and an end of the slide plate (54) away from the support plate (53) extending into the slide groove (51), and a return spring (55) being sleeved on the outside of the linear guide rod (52) and located between the support plate (53) and the fixed template (1) of the equipment.

3. A large-size mold support and adjustment device capable of stable operation according to claim 2, characterized in that: The stationary pulley assembly (4) includes a first reinforcement support (41) welded and fixed to the movable mold frame (21); a first wheel fork (42) is fixed to the lower side of the first reinforcement support (41) by screws; a first roller (43) is rotatably connected between the two sides of the first wheel fork (42); and the first roller (43) can roll along the adjacent stainless steel equipment guide rod (3).

4. The large-size mold support and adjustment device capable of stable operation according to claim 3, characterized in that: The movable pulley assembly (6) includes a second reinforcement support (61) welded and fixed to the support plate (53), a second wheel fork (62) is fixed to the lower side of the second reinforcement support (61) by screws, and a second roller (63) is rotatably connected between the two sides of the second wheel fork (62), and the second roller (63) can roll along the adjacent stainless steel equipment guide rod (3).

5. The large-size mold support and adjustment device capable of stable operation according to claim 1, characterized in that: The four stainless steel equipment guide rods (3) are respectively located at the four corners of the equipment fixed template (1), and the stainless steel equipment guide rods (3) all pass through the equipment movable template (2).

Citation Information

Patent Citations

  • EPS plastic foam mold convenient to demold

    CN218948257U