Sucker structure of sole injection molding machine

By using a modular design and an automated suction cup structure, the problems of unadjustable suction cups and low automation in existing shoe sole injection molding machines have been solved. This has enabled flexible adjustment of the suction cup position and stable adsorption, thereby improving production efficiency and product quality.

CN223864244UActive Publication Date: 2026-02-03HANGZHOU TIANFENG TEXTILE MACHINERY
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Patent Information

Application Number
CN202520677709.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-11
Publication Date
2026-02-03
Estimated Expiration
2035-04-11

AI Technical Summary

Technical Problem

The suction cup structure of existing shoe sole injection molding machines cannot be flexibly adjusted, making it difficult for the equipment to adapt to the production needs of different shoe sole specifications. The automation level is low, relying on manual operation, which increases labor intensity and production costs.

Method used

The suction cup structure adopts a modular design, including an adjustable plate, a vacuum generator model, and an electromagnetic induction plate. Combined with a long guide rail and a rack, it enables flexible adjustment and automated control of the suction cup position, ensuring suction stability and equipment smoothness.

Benefits of technology

It improves the versatility and production efficiency of the equipment, prevents shoe soles from falling off or shifting, reduces manual intervention and maintenance costs, and ensures product quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of shoe sole injection molding machine equipment, in particular to a suction cup structure of a shoe sole injection molding machine, which comprises an upper cross beam rear moving trolley combining piece, and is characterized in that the upper cross beam rear moving trolley combining piece comprises an upper cross beam main body, a long gasket is arranged on one side of the upper cross beam main body, and a long guide rail is arranged on the long gasket; a first sliding block is arranged on the long guide rail, a first mounting plate is arranged on the first sliding block, a second mounting plate is connected to one side of the first mounting plate, a third mounting plate is arranged at the top of the first mounting plate, and a second sliding block is arranged on the first mounting plate. The positions of the suckers can be flexibly adjusted according to the sizes of soles to meet the production requirements of soles of different specifications, and the universality of equipment is improved; the vacuum generator model and the suction cup model are adopted in the suction cup assembly, it is guaranteed that suction force is evenly and stably distributed, the shoe sole is prevented from falling off or deviating in the transferring process, and the product quality is improved.
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Description

Technical Field

[0001] This utility model relates to the technical field of shoe sole injection molding machine equipment, and in particular to a suction cup structure for a shoe sole injection molding machine. Background Technology

[0002] In the shoe sole production process, the shoe sole injection molding machine is one of the core pieces of equipment. Its function is to inject molten plastic material into a mold, and after cooling and solidification, remove the shoe sole. However, existing shoe sole injection molding machines have the following problems in the shoe sole removal process:

[0003] Traditional suction cup structures in shoe sole injection molding machines have the following significant drawbacks: First, the suction cup position is fixed and cannot be flexibly adjusted according to shoe sole size, making it difficult for the equipment to adapt to the production needs of different shoe sole specifications and limiting its versatility. Second, adjustment is inconvenient; adjusting the suction cup position usually requires manual operation, which is cumbersome and inefficient, seriously affecting overall production efficiency. Third, the suction force is insufficient or unstable; the uneven distribution or insufficient strength of traditional suction cups can easily cause the shoe sole to detach or shift during transfer, directly affecting product quality. Finally, the level of automation is low; existing equipment lacks automated control functions and relies heavily on manual operation, which not only increases labor intensity but also raises production costs. These problems severely restrict the production efficiency and product quality of shoe sole injection molding machines, urgently requiring a more advanced and flexible suction cup structure to solve them.

[0004] Chinese patents disclose some clamping devices for shoe sole production (publication number: CN 221497196U), including a placement plate body with a clamping component on the placement plate body. The clamping component includes a second fixing plate, with two sets of sliders fixedly installed at one end of the second fixing plate. A first fixing plate is slidably connected to one side of the sliders. However, the suction cup position of this clamping device is fixed and cannot be flexibly adjusted according to the shoe sole size, making it difficult for the equipment to adapt to the production needs of different shoe sole specifications. The automation level is low, and the existing equipment lacks automatic control functions, relying heavily on manual operation, which not only increases labor intensity but also increases production costs. Therefore, a suction cup structure for shoe sole injection molding machines is needed. Utility Model Content

[0005] The purpose of this invention is to address the shortcomings of existing technologies, such as fixed suction cup positions in the gripping device, inability to flexibly adjust according to shoe sole size, making it difficult for the equipment to adapt to the production needs of different shoe sole specifications; low automation level, with existing equipment lacking automated control functions and highly dependent on manual operation, which not only increases labor intensity but also raises production costs. Therefore, this invention proposes a suction cup structure for a shoe sole injection molding machine.

[0006] The technical solution adopted by this utility model to solve its technical problem is as follows: A suction cup structure for a shoe sole injection molding machine, comprising a rear moving carriage assembly for an upper crossbeam, characterized in that: the rear moving carriage assembly for the upper crossbeam includes an upper crossbeam body; one side of the upper crossbeam body has a long pad, the number of which is two and correspondingly arranged; a long guide rail is provided on the long pad; a first slider is provided on the long guide rail; a first mounting plate is provided on the first slider; a second mounting plate is connected to one side of the first mounting plate; a third mounting plate is provided on the top of the first mounting plate; a second slider is provided on the first mounting plate; a first motor bracket is provided on one side of the first mounting plate; a second motor bracket is provided on the other side; a fourth mounting plate is provided on one side of the bottom of the upper crossbeam body; a first rack is provided on one side of the upper crossbeam body; a second rack is provided at the bottom of the fourth mounting plate; a bottom clamp bracket is provided on the top of the fourth mounting plate; an adjustable plate is connected to one end of the bottom clamp bracket; suction cup assemblies are provided on the adjustable plate, the number of which is two and correspondingly arranged. Modular Design: The modular design of components such as the upper crossbeam, long pads, long guide rails, sliders, and mounting plates makes the overall structure more compact, facilitating installation and maintenance; Flexible Adjustment: The adjustable plate and suction cup assembly allow for flexible adjustment of the suction cup position according to the shoe sole size, adapting to the production needs of different shoe sole specifications; High Stability: The coordinated design of the long guide rails and sliders ensures smoothness and precision during movement, avoiding production problems caused by vibration or offset; Multifunctionality: The use of first and second racks enables multi-directional motion control, improving the automation level and production efficiency of the equipment.

[0007] Preferably, the suction cup assembly includes a first suction cup bracket with several hexagonal socket head cap screws. Each hexagonal socket head cap screw has a spring with an inner diameter of 12mm, a wire diameter of 12mm, and a length of 60mm. A second suction cup bracket is connected to one end of each hexagonal socket head cap screw. A vacuum generator model is located at the bottom of the second suction cup bracket, and a suction cup model is connected to the bottom of the vacuum generator model. The use of the vacuum generator model and the suction cup model ensures stable suction during operation, preventing the sole from detaching or shifting due to insufficient suction. The springs effectively cushion the impact when the suction cup contacts the sole, preventing damage to the sole surface and extending the service life of the suction cup assembly. Connecting the first and second suction cup brackets with hexagonal socket head cap screws results in a simple structure that is easy to disassemble and maintain, reducing equipment maintenance costs.

[0008] Preferably, the adjustable plate is provided with two adjustable grooves, which are correspondingly arranged. The adjustable grooves allow for flexible adjustment of the suction cup assembly position according to the size and shape of the shoe sole, meeting different production needs. The groove design is simple and intuitive, allowing operators to complete adjustments without complex tools, thus improving production efficiency. The cooperative design between the grooves and the suction cup assembly ensures the stability of the adjusted suction cup position, avoiding production problems caused by loosening or displacement.

[0009] Preferably, the top of the upper crossbeam body is provided with a connector, and the side wall of the upper crossbeam body is provided with an electromagnetic induction plate. The electromagnetic induction plate enables automatic sensing and positioning of the equipment, reducing manual intervention and improving production efficiency. The connector facilitates quick connection of the upper crossbeam body to other equipment, shortening equipment installation and debugging time. The electromagnetic induction plate can accurately detect the equipment position, ensuring the positioning accuracy of the suction cup assembly during movement and improving product quality.

[0010] Preferably, both the first and second racks are helical racks. The first rack has dimensions of 20mm × 20mm × 765mm, and the second rack has dimensions of 15mm × 15mm × 280mm. The first rack has 10 to 15 mounting holes arranged in an equally spaced array. The helical rack design improves transmission efficiency, reduces energy loss, and lowers operating noise. The reasonable design of the first and second racks ensures their stability and durability during operation. The equally spaced array of mounting holes facilitates quick installation and fixation of the racks, shortening equipment debugging time.

[0011] Preferably, there are two long guide rails and two short guide rails, arranged in a corresponding configuration. The long guide rail is 940mm long, and the short guide rail is 270mm long. This corresponding arrangement of long and short guide rails ensures the stability of the equipment during movement, avoiding production problems caused by vibration or misalignment. The 940mm length of the long guide rail meets the needs of a wide range of movement and can accommodate the production of shoe soles of different sizes. The 270mm length of the short guide rail, used in conjunction with the long guide rail, ensures a compact overall structure and saves space.

[0012] The advantages of this utility model are:

[0013] This application utilizes an adjustable plate and adjustable slide design to flexibly adjust the suction cup position according to the shoe sole size, adapting to the production needs of different shoe sole specifications and improving the equipment's versatility. The suction cup assembly employs a vacuum generator model and a suction cup model to ensure uniform and stable suction distribution, preventing the shoe sole from falling off or shifting during transfer, thus improving product quality. The electromagnetic induction plate and rack enable automatic sensing, positioning, and motion control of the equipment, reducing manual intervention and improving production efficiency. The combined design of long and short guide rails ensures the stability and accuracy of the equipment during movement, avoiding production problems caused by vibration or shifting. The modular design makes the overall structure more compact, facilitating installation and maintenance, and reducing equipment maintenance costs. The spring design in the suction cup assembly effectively buffers the impact force when the suction cup contacts the shoe sole, preventing damage to the shoe sole surface and extending the service life of the suction cup assembly. Attached Figure Description

[0014] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0015] Figure 1 This is a schematic diagram of the structure of this utility model.

[0016] Figure 2 This utility model Figure 1 A magnified view of A in the middle.

[0017] Figure 3 This is a schematic diagram of the main structure of this utility model.

[0018] Figure 4 This utility model Figure 3 Enlarged view in the image.

[0019] Figure 5 This is a schematic diagram of the structure of this utility model from another perspective.

[0020] In the diagram: 1. Connector; 2. Upper crossbeam body; 3. Electromagnetic induction plate; 4. Bottom clamp bracket; 5. Fourth mounting plate; 6. Short guide rail; 7. Second rack; 8. Adjustable plate; 9. Hex socket head cap screw; 10. Second suction cup bracket; 11. Vacuum generator model; 12. Suction cup model; 13. First suction cup bracket; 14. Adjustable slide; 15. Spring; 16. Mounting hole; 17. First rack; 18. Second mounting plate; 19. First motor bracket; 20. First mounting plate; 21. Second slider; 22. First slider; 23. Long guide rail; 24. Third mounting plate; 25. Second motor bracket; 26. Long shim. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present utility model.

[0022] Example

[0023] Please see Figure 1-5 As shown, a suction cup structure for a shoe sole injection molding machine includes a connecting component for a rear moving carriage of an upper crossbeam. The connecting component comprises an upper crossbeam body 2, with two corresponding long pads 26 on one side of the upper crossbeam body 26. A long guide rail 23 is provided on each long pad 26, and a first slider 22 is provided on the long guide rail 23. A first mounting plate 20 is provided on the first slider 22, and a second mounting plate 18 is connected to one side of the first mounting plate 20. A third mounting plate 24 is provided on the top of the first mounting plate 20. The first mounting plate 20 is provided with a second slider 21. The first mounting plate 20 is provided with a first motor bracket 19 on one side and a second motor bracket 25 on the other side. The bottom side of the upper crossbeam body 2 is provided with a fourth mounting plate 5. The upper crossbeam body 2 is provided with a first rack 17 on one side. The bottom of the fourth mounting plate 5 is provided with a second rack 7. The top of the fourth mounting plate 5 is provided with a bottom clamp bracket 4. One end of the bottom clamp bracket 4 is connected to an adjustable plate 8. The adjustable plate 8 is provided with suction cup assemblies. The number of suction cup assemblies is 2 sets and they are set accordingly. Modular Design: The modular design of components such as the upper crossbeam body 2, long pad 26, long guide rail 23, slider, and mounting plate makes the overall structure more compact, facilitating installation and maintenance; Flexible Adjustment: The adjustable plate 8 and suction cup assembly allow for flexible adjustment of the suction cup position according to the shoe sole size, adapting to the production needs of different shoe sole specifications; High Stability: The coordinated design of the long guide rail 23 and slider ensures smoothness and accuracy during movement, avoiding production problems caused by vibration or offset; Multifunctionality: The first rack 17 and the second rack 7 enable multi-directional motion control, improving the automation level and production efficiency of the equipment.

[0024] In this embodiment, the suction cup assembly includes a first suction cup bracket 13, which has several hexagonal socket head cap screws 9. Each hexagonal socket head cap screw 9 has a spring 15 with an inner diameter of 12mm, a wire diameter of 12mm, and a length of 60mm. One end of each hexagonal socket head cap screw 9 is connected to a second suction cup bracket 10. The bottom of the second suction cup bracket 10 has a vacuum generator model 11, and the bottom of the vacuum generator model 11 is connected to a suction cup model 12. The vacuum generator model 11 and the suction cup model 12 ensure stable suction during operation, preventing the sole from detaching or shifting due to insufficient suction. The spring 15 effectively buffers the impact force when the suction cup contacts the sole, preventing damage to the sole surface and extending the service life of the suction cup assembly. Connecting the first suction cup bracket 13 and the second suction cup bracket 10 with the hexagonal socket head cap screws 9 results in a simple structure that is easy to disassemble and maintain, reducing equipment maintenance costs.

[0025] In this embodiment, the adjustable plate 8 is provided with two adjustable grooves 14, which are correspondingly arranged. The adjustable grooves 14 allow for flexible adjustment of the suction cup assembly's position according to the shoe sole size and shape, meeting different production needs. The groove design is simple and intuitive, allowing operators to complete adjustments without complex tools, thus improving production efficiency. The cooperative design between the grooves and the suction cup assembly ensures the stability of the adjusted suction cup position, avoiding production problems caused by loosening or displacement.

[0026] In this embodiment, a connector 1 is provided at the top of the upper crossbeam body 2, and an electromagnetic induction plate 3 is provided on the side wall of the upper crossbeam body 2. The electromagnetic induction plate 3 enables automatic sensing and positioning of the equipment, reducing manual intervention and improving production efficiency. The connector 1 facilitates quick connection of the upper crossbeam body 2 with other equipment, shortening equipment installation and debugging time. The electromagnetic induction plate 3 can accurately detect the equipment position, ensuring the positioning accuracy of the suction cup assembly during movement and improving product quality.

[0027] In this embodiment, both the first rack 17 and the second rack 7 are helical racks. The first rack 17 has dimensions of 20mm × 20mm × 765mm, and the second rack 7 has dimensions of 15mm × 15mm × 280mm. The first rack 17 has 10 to 15 mounting holes 16 arranged in an equally spaced array. The helical rack design improves transmission efficiency, reduces energy loss, and lowers operating noise. The reasonable design of the first rack 17 and the second rack 7 ensures their stability and durability during operation. The equally spaced array of mounting holes 16 facilitates quick installation and fixation of the racks, shortening equipment debugging time.

[0028] In this embodiment, there are two long guide rails 23 and two short guide rails 6, which are arranged correspondingly. The long guide rail 23 is 940mm long, and the short guide rail 6 is 270mm long. The corresponding arrangement of the long guide rails 23 and the short guide rails 6 ensures the stability of the equipment during movement and avoids production problems caused by vibration or displacement. The 940mm length of the long guide rail 23 can meet the needs of large-range movement and adapt to the production of shoe soles of different sizes. The 270mm length of the short guide rail 6, used in conjunction with the long guide rail 23, ensures that the overall structure of the equipment is compact and saves space.

[0029] The implementation principle of this embodiment is as follows:

[0030] Equipment startup and initial positioning

[0031] When the equipment is started, the electromagnetic induction plate 3 begins to work, detecting the position of the upper crossbeam body 2. Through feedback from the control system, the equipment automatically adjusts to the initial position, ensuring that the suction cup assembly is at the correct working starting point;

[0032] Suction cup position adjustment

[0033] When different sizes of shoe soles need to be produced, the operator adjusts the position of the suction cup assembly using the adjustable grooves 14 on the adjustable plate 8. Since there are two adjustable grooves 14, and they are correspondingly set, the operator can easily move the suction cup assembly to a position suitable for the shoe sole size.

[0034] Suction cups adhere to the soles of shoes

[0035] After the sole is formed in the mold, the equipment begins to adhere to it. At this time, the matching motors on the first motor bracket 19 and the second motor bracket 25 are activated, driving the first slider 22 and the second slider 21 to move along the long guide rail 23 and the short guide rail 6, causing the suction cup assembly to move downwards towards the sole. When the suction cup assembly contacts the sole, the vacuum generator model 11 starts working, generating negative pressure through the suction cup model 12 to firmly adhere the sole to the suction cup.

[0036] Sole transfer

[0037] Once the sole is attracted, the equipment begins to transfer it to the next process. At this time, the first rack 17 and the second rack 7 start working, driving the upper beam body 2 and the suction cup assembly to move along the long guide rail 23 and the short guide rail 6. Since both the first rack 17 and the second rack 7 are helical racks, the transmission efficiency is high and the operation is smooth, ensuring that the sole will not shift or fall off during the transfer process.

[0038] Sole release and reset

[0039] Once the sole reaches the target position, the vacuum generator model 11 stops working, the suction cup model 12 releases the negative pressure, and the sole is smoothly placed in the designated position. Subsequently, driven by the motor, the suction cup assembly returns to its initial position along the long guide rail 23 and the short guide rail 6, awaiting the next work cycle;

[0040] Buffer protection and equipment maintenance

[0041] Throughout the entire operation, the spring 15 in the suction cup assembly acts as a buffer. When the suction cup assembly comes into contact with the sole, the spring 15 effectively absorbs the impact force, preventing damage to the sole surface and protecting the mechanical structure of the suction cup assembly, thus extending the equipment's lifespan. Furthermore, the design of the hex socket head cap screw 9 makes the suction cup assembly easy to disassemble and maintain, reducing equipment maintenance costs.

[0042] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0043] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.

Claims

1. A suction cup structure for a shoe sole injection molding machine, comprising a connecting component for an upper crossbeam and a rear moving carriage, characterized in that: The upper crossbeam rear moving vehicle assembly includes an upper crossbeam body (2), one side of which has a long pad (26), and the number of the long pads (26) is two and they are correspondingly arranged. The long pads (26) are provided with a long guide rail (23), and the long guide rail (23) is provided with a first slider (22). The first slider (22) is provided with a first mounting plate (20), one side of the first mounting plate (20) is connected to a second mounting plate (18), and the top of the first mounting plate (20) is provided with a third mounting plate (24). The first mounting plate (20) is provided with a second slider (18). 21) The first mounting plate (20) has a first motor bracket (19) on one side and a second motor bracket (25) on the other side. The bottom side of the upper beam body (2) has a fourth mounting plate (5). The upper beam body (2) has a first rack (17) on one side. The bottom of the fourth mounting plate (5) has a second rack (7). The top of the fourth mounting plate (5) has a bottom clamp bracket (4). One end of the bottom clamp bracket (4) is connected to an adjustable plate (8). The adjustable plate (8) has a suction cup assembly. The number of suction cup assemblies is 2 sets and they are set accordingly.

2. The suction cup structure for a shoe sole injection molding machine according to claim 1, characterized in that: The suction cup assembly includes a first suction cup bracket (13), which is provided with a plurality of hexagonal socket head cap screws (9). Each hexagonal socket head cap screw (9) is provided with a spring (15). The spring (15) has an inner diameter of 12mm, a wire diameter of 12mm, and a length of 60mm. One end of the bottom of the hexagonal socket head cap screws (9) is connected to a second suction cup bracket (10). The bottom of the second suction cup bracket (10) is provided with a vacuum generator model (11), and the bottom of the vacuum generator model (11) is connected to a suction cup model (12).

3. The suction cup structure for a shoe sole injection molding machine according to claim 2, characterized in that: The adjustable plate (8) is provided with an adjustable slide groove (14), and there are two adjustable slide grooves, which are set accordingly.

4. The suction cup structure for a shoe sole injection molding machine according to claim 1, characterized in that: The upper crossbeam body (2) is provided with a connector (1) at the top, and an electromagnetic induction plate (3) is provided on the side wall of the upper crossbeam body (2).

5. The suction cup structure for a shoe sole injection molding machine according to claim 1, characterized in that: The first rack (17) and the second rack (7) are both helical racks. The first rack (17) has a size of 20mm×20mm×765mm, and the second rack (7) has a size of 15mm×15mm×280mm. The first rack (17) is provided with mounting holes (16). The number of mounting holes (16) is 10 to 15 and they are arranged in an equally spaced array.

6. The suction cup structure for a shoe sole injection molding machine according to claim 1, characterized in that: The number of long guide rails (23) and short guide rails (6) are both two and are set accordingly. The length of the long guide rail (23) is 940mm and the length of the short guide rail (6) is 270mm.

Citation Information

Patent Citations

  • Clamping device for sole production

    CN221497196U