Injection molding device for manufacturing shoe soles

By designing an adjustable injection molding device mold, the problem of increased shoemaking costs caused by the fixed mold structure in the prior art is solved, and the effect of flexibly adjusting the sole thickness and groove depth is achieved.

CN223354801UActive Publication Date: 2025-09-19QUANZHOU TOP NEW MATERIAL CO LTD
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Patent Information

Application Number
CN202422621519.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-29
Publication Date
2025-09-19
Estimated Expiration
2034-10-29

AI Technical Summary

Technical Problem

The existing sole injection molding device has a fixed mold cavity structure, which means that when the sole thickness or groove depth needs to be changed, the mold needs to be re-opened, which increases the cost of sole manufacturing.

Method used

An adjustable injection molding device is designed. Through the cooperation of the punch lifting drive mechanism and the die lifting cylinder, the mold cavity can be adjusted. The groove depth can be adjusted without changing the thickness of the sole, or the sole thickness can be adjusted without changing the groove depth.

Benefits of technology

The thickness of the sole and the depth of the groove can be flexibly adjusted without changing the thickness of the sole or the depth of the groove, thereby reducing the cost of shoemaking.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an injection molding device for manufacturing soles, which comprises a main body, an upper die holder and a lower die holder are arranged on the main body, and an upper die and a lower die are respectively mounted on the upper die holder and the lower die holder. By means of the structure, when the thickness of a finished shoe sole and the depth of a groove need to be adjusted, the male die lifting driving mechanism drives the male die body to ascend and descend on the upper die frame under the cooperation of the upper die frame and the male die body of the upper die, so that the distance between the male die body and the lower base of the lower die is changed; through cooperation of a lower base and a lower frame body of the lower die, a female die lifting air cylinder drives the lower frame body to ascend and descend, the depth of the groove of the shoe sole can be adjusted under the condition that the thickness of the shoe sole is not changed, and through simultaneous driving of a male die lifting driving mechanism and the female die lifting air cylinder, the depth of the groove of the shoe sole can be adjusted. The thickness of the sole can be adjusted under the condition that the depth of the groove of the sole is not changed.
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Description

Technical Field

[0001] The utility model relates to the technical field of shoe sole injection molding equipment, in particular to an injection molding device for manufacturing shoe soles. Background Art

[0002] During the production process of the sole, the raw materials for making the sole need to be injected into the mold through the sole injection molding device, and the mold is heated by the sole injection molding device so that the raw materials can fill the mold cavity of the mold, so that the raw materials can form the shape of the sole and form the sole after molding.

[0003] However, the mold cavity of the existing sole injection molding device is a fixed structure. When the thickness or groove depth of the produced sole needs to be changed according to demand, the mold needs to be re-opened for different depths or thicknesses, which increases the cost of making the sole. Utility Model Content

[0004] The utility model discloses an injection molding device for making shoe soles, which mainly solves the problem that the mold cavities of the molds in the sole injection molding device are all fixed structures and the thickness or groove depth of the produced soles needs to be changed according to demand.

[0005] To achieve the above-mentioned purpose, the technical solution of the present invention is implemented as follows:

[0006] The utility model provides an injection molding device for making shoe soles, comprising a main body, an upper mold base and a lower mold base being arranged on the main body, and an upper mold base and a lower mold base being respectively installed on the upper mold base and the lower mold base;

[0007] The upper die comprises an upper die frame and a punch body mounted on an upper die base, the upper die frame is provided with a movable hole, the punch body is arranged in the movable hole, and a punch lifting drive mechanism is installed on the upper die base to drive the punch body to move up and down relative to the upper die frame;

[0008] The lower die comprises a lower base and a lower frame mounted on the lower die seat, a lower die plate being provided on the lower base at a position corresponding to the male die body, an inwardly concave lifting groove being provided on the edge of the lower base corresponding to the lower die plate, a frame being provided on the lower frame at a position corresponding to the lifting groove, a cavity being formed at the center of the frame for accommodating the lower die plate, the frame being embedded in the lifting groove, and a female die lifting cylinder being installed on the main body for driving the lower frame to lift relative to the lower base;

[0009] A sole forming cavity is formed between the lower surface of the male mold body, the upper surface of the lower mold plate and the inner wall of the frame.

[0010] In one embodiment, the punch body includes two symmetrically arranged punches, which are connected by a connecting rod. The punch lifting drive mechanism includes a drive motor and a screw. The screw is rotatably connected between the upper mold base and the upper mold frame. The screw is threadedly connected to the connecting rod, and the drive motor is used to drive the screw.

[0011] In one embodiment, the punch lifting drive mechanism further includes a driving wheel, a transmission belt and a driven wheel, the driving wheel is mounted on the output end of the driving motor, the driven wheel is mounted on the screw, and the driving wheel and the driven wheel are connected via a transmission belt.

[0012] In one embodiment, a movable groove is provided at a position of the upper mold frame corresponding to the connecting rod, and the connecting rod is disposed in the movable groove.

[0013] In one embodiment, the upper die base is provided with an accommodating groove for accommodating a screw, a transmission belt and a driven wheel.

[0014] In one embodiment, a mounting seat is provided at the output end of the die lifting cylinder, the lower frame is mounted on the mounting seat, and positioning bolts are respectively provided on both sides of the mounting seat corresponding to the lower frame.

[0015] In one embodiment, a slider is provided at a position of the lower frame corresponding to the mounting seat, a limiting block is provided on the slider, a sliding groove for accommodating the slider is provided on the mounting seat, a limiting groove is provided at the bottom of the sliding groove corresponding to the mounting seat, and the limiting block is embedded in the limiting groove.

[0016] The advantages or beneficial effects of the above technical solution include at least: when it is necessary to adjust the thickness and groove depth of the finished sole, the punch body is driven to rise and fall on the upper mold frame by the punch lifting drive mechanism under the cooperation of the upper mold frame and the punch body of the upper mold to change the distance between the punch body and the lower base of the lower mold, so that the thickness of the finished sole and the depth of the groove can be adjusted at the same time; the lower frame is driven to rise and fall by the die lifting cylinder under the cooperation of the lower base and the lower frame of the lower mold, and the depth of the sole groove can be adjusted without changing the thickness of the sole; the thickness of the sole can be adjusted without changing the depth of the sole groove by the simultaneous driving of the punch lifting drive mechanism and the die lifting cylinder. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings illustrate exemplary embodiments of the present invention and, together with the description, are used to explain the principles of the present invention. These drawings are included to provide a further understanding of the present invention, and are included in and constitute a part of this specification.

[0018] Figure 1 A schematic diagram of an injection molding device according to an exemplary embodiment of the present invention is shown;

[0019] Figure 2 An exploded schematic diagram of an upper die base and an upper die according to an exemplary embodiment of the present utility model is shown;

[0020] Figure 3 A schematic diagram of a male mold body according to an exemplary embodiment of the present invention is shown;

[0021] Figure 4 A schematic diagram of a lower die base and a lower die according to an exemplary embodiment of the present utility model is shown;

[0022] Figure 5 A cross-sectional schematic diagram of a lower mold according to an exemplary embodiment of the present utility model is shown.

[0023] Description of reference numerals:

[0024] 1. Subject;

[0025] 2. Upper die seat;

[0026] 21. Receiving tank;

[0027] 3. Lower die base;

[0028] 4. Upper mold;

[0029] 41. Upper mold frame; 411. Movable hole; 412. Movable slot; 42. Punch body; 421. Punch; 422. Connecting rod; 43. Punch lifting drive mechanism; 431. Driving motor; 432. Screw; 433. Driving pulley; 434. Transmission belt; 435. Driven pulley;

[0030] 5. Lower mold;

[0031] 51. Lower base; 511. Lower template; 512. Lifting slot; 52. Lower frame; 521. Frame; 522. Cavity; 523. Slider; 524. Limit block; 53. Die lifting cylinder; 54. Mounting seat; 541. Slide; 542. Limit slot; 55. Positioning bolt. DETAILED DESCRIPTION

[0032] The following describes embodiments of the present invention in more detail with reference to the accompanying drawings. Although certain embodiments of the present invention are shown in the accompanying drawings, it should be understood that the present invention can be implemented in various forms and should not be construed as limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and complete understanding of the present invention. It should be understood that the accompanying drawings and embodiments of the present invention are for illustrative purposes only and are not intended to limit the scope of protection of the present invention.

[0033] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments of the present invention can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0034] The term "including" and its variations used in this document are open inclusions, that is, "including but not limited to". The term "based on" means "based at least in part on". The term "one embodiment" means "at least one embodiment"; the term "another embodiment" means "at least one other embodiment"; the term "some embodiments" means "at least some embodiments". The relevant definitions of other terms will be given in the following description. It should be noted that the concepts of "first", "second", etc. mentioned in this utility model are only used to distinguish different devices, modules or units, and are not used to limit the order or interdependence of the functions performed by these devices, modules or units.

[0035] It should be noted that the modifications of "one" and "multiple" mentioned in the present invention are illustrative rather than restrictive. Those skilled in the art should understand that unless otherwise clearly indicated in the context, it should be understood as "one or more".

[0036] The names of the messages or information exchanged between multiple devices in the embodiments of the present invention are only used for illustrative purposes and are not used to limit the scope of these messages or information.

[0037] See also Figures 1 to 5 The embodiment of the present utility model provides an injection molding device for making a sole, comprising a main body 1, on which an upper mold base 2 and a lower mold base 3 are provided, wherein the upper mold base 2 and the lower mold base 3 are respectively equipped with an upper mold 4 and a lower mold 5;

[0038] The upper die 4 includes an upper die frame 41 and a punch body 42 mounted on the upper die base 2. The upper die frame 41 is provided with a movable hole 411, and the punch body 42 is disposed in the movable hole 411. A punch lifting drive mechanism 43 is mounted on the upper die base 2 to drive the punch body 42 to move up and down relative to the upper die frame 41.

[0039] The lower die 5 includes a lower base 51 and a lower frame 52 mounted on the lower die holder 3. A lower die plate 511 is provided on the lower base 51 at a position corresponding to the punch body 42. An inwardly concave lifting groove 512 is provided on the edge of the lower base 51 corresponding to the lower die plate 511. A frame 521 is provided on the lower frame 52 at a position corresponding to the lifting groove 512. A cavity 522 is formed at the center of the frame 521 for accommodating the lower die plate 511. The frame 521 is embedded in the lifting groove 512. A die lifting cylinder 53 for driving the lower frame 52 to rise and fall relative to the lower base 51 is installed on the main body 1.

[0040] A sole forming cavity is formed between the lower surface of the male mold body 42 , the upper surface of the lower mold plate 511 and the inner wall of the frame 521 .

[0041] By adopting the above-mentioned structure, when it is necessary to adjust the thickness and groove depth of the finished sole, the upper mold frame 41 of the upper mold 4 and the punch body 42 cooperate with each other, and the punch body 42 is driven to rise and fall on the upper mold frame 41 by the punch lifting drive mechanism 43 to change the distance between the punch body 42 and the lower base 51 of the lower mold 5, so that the thickness of the finished sole and the depth of the groove can be adjusted at the same time. By cooperating with the lower base 51 and the lower frame 52 of the lower mold 5, the lower frame 52 is driven to rise and fall by the die lifting cylinder 53, and the depth of the sole groove can be adjusted without changing the thickness of the sole. By driving the punch lifting drive mechanism 43 and the die lifting cylinder 53 at the same time, the thickness of the sole can be adjusted without changing the depth of the sole groove.

[0042] In one embodiment, see Figure 2 and Figure 3 The punch body 42 includes two symmetrically arranged punches 421, which are connected by a connecting rod 422. The punch lifting drive mechanism 43 includes a drive motor 431 and a screw 432. The screw 432 is rotatably connected between the upper die base 2 and the upper die frame 41. The screw 432 is threadedly connected to the connecting rod 422, and the drive motor 431 is used to drive the screw 432. In actual use, under the arrangement of the screw 432, the drive motor 431 drives the screw 432 to rotate, so that the connecting rod 422 can drive the punch 421 to rise and fall.

[0043] The punch lift drive mechanism 43 also includes a driving wheel 433, a transmission belt 434, and a driven wheel 435. The driving wheel 433 is mounted on the output end of the drive motor 431, and the driven wheel 435 is mounted on the screw 432. The driving wheel 433 and the driven wheel 435 are connected by a transmission belt 434. In actual use, the driving wheel 433, the transmission belt 434, and the driven wheel 435 cooperate to transmit the power of the drive motor 431 to the screw 432, thereby driving the screw 432 to rotate.

[0044] The upper mold frame 41 is provided with a movable groove 412 at a position corresponding to the connecting rod 422, and the connecting rod 422 is arranged in the movable groove 412. In actual use, the setting of the movable groove 412 can provide space for the lifting of the connecting rod 422.

[0045] The upper die base 2 is provided with an accommodating groove 21 for accommodating the screw 432 , the transmission belt 434 and the driven wheel 435 .

[0046] In one embodiment, see Figure 1 、 Figure 3 and Figure 4The output end of the die lifting cylinder 53 is provided with a mounting seat 54, and the lower frame 52 is mounted on the mounting seat 54. Positioning bolts 55 are respectively provided on both sides of the mounting seat 54 corresponding to the lower frame 52. In actual use, the positioning bolts 55 can play a role in positioning the edge of the lower frame 52 corresponding to the mounting seat 54.

[0047] A slider 523 is provided at a position on the lower frame 52 corresponding to the mounting seat 54. A limit block 524 is provided on the slider 523. A sliding groove 541 is provided on the mounting seat 54 for accommodating the slider 523. A limit groove 542 is provided at the bottom of the mounting seat 54 corresponding to the sliding groove 541. The limit block 524 is embedded in the limit groove 542. In actual use, the slider 523 and the limit block 524 cooperate with the sliding groove 541 and the limit groove 542 respectively, making it easy to install the lower frame 52 on the mounting seat 54. In conjunction with the setting of the positioning bolts 55, the lower frame 52 can be fixed to the mounting seat 54.

[0048] In the description of the present invention, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0049] Those skilled in the art will appreciate that the above embodiments are merely intended to clearly illustrate the present invention and are not intended to limit the scope of the present invention. Other variations or modifications may be made based on the above-described utility model, and such variations or modifications are still within the scope of the present invention.

Claims

1. An injection molding device for making shoe soles, characterized in that: The main body comprises an upper die base and a lower die base, wherein the upper die base and the lower die base are respectively installed with an upper die and a lower die; The upper die comprises an upper die frame and a punch body mounted on an upper die base, the upper die frame is provided with a movable hole, the punch body is arranged in the movable hole, and a punch lifting drive mechanism is installed on the upper die base to drive the punch body to move up and down relative to the upper die frame; The lower die comprises a lower base and a lower frame mounted on the lower die seat, a lower die plate being provided on the lower base at a position corresponding to the male die body, an inwardly concave lifting groove being provided on the edge of the lower base corresponding to the lower die plate, a frame being provided on the lower frame at a position corresponding to the lifting groove, a cavity being formed at the center of the frame for accommodating the lower die plate, the frame being embedded in the lifting groove, and a female die lifting cylinder being installed on the main body for driving the lower frame to lift relative to the lower base; A sole forming cavity is formed between the lower surface of the male mold body, the upper surface of the lower mold plate and the inner wall of the frame.

2. The injection molding device for making a sole according to claim 1, characterized in that: The punch body includes two symmetrically arranged punches, which are connected by a connecting rod. The punch lifting drive mechanism includes a drive motor and a screw. The screw is rotatably connected between the upper mold base and the upper mold frame. The screw is threadedly connected to the connecting rod, and the drive motor is used to drive the screw.

3. The injection molding device for making a sole according to claim 2, characterized in that: The punch lifting drive mechanism also includes a driving wheel, a transmission belt and a driven wheel. The driving wheel is installed on the output end of the driving motor, and the driven wheel is installed on the screw. The driving wheel and the driven wheel are connected through a transmission belt.

4. The injection molding device for making a sole according to claim 2, characterized in that: The upper mold frame is provided with a movable groove at a position corresponding to the connecting rod, and the connecting rod is arranged in the movable groove.

5. The injection molding device for making a sole according to claim 3, characterized in that: The upper die base is provided with an accommodating groove for accommodating a screw rod, a transmission belt and a driven wheel.

6. The injection molding device for making a sole according to claim 1, characterized in that: The output end of the die lifting cylinder is provided with a mounting seat, the lower frame is installed on the mounting seat, and positioning bolts are respectively provided on both sides of the mounting seat corresponding to the lower frame.

7. The injection molding device for making a sole according to claim 6, characterized in that: The lower frame is provided with a slider at a position corresponding to the mounting seat, a limiting block is provided on the slider, the mounting seat is provided with a slide groove for accommodating the slider, the mounting seat is provided with a limiting groove at the bottom of the slide groove corresponding to the groove, and the limiting block is embedded in the limiting groove.