A wear-resistant capping device for bottled fillings

By using a spiral clamping and centering clamping mechanism, combined with a motor and cylinder buffer device, the wear and adaptability problems of traditional capping devices are solved, achieving precise positioning and buffered movement of the cap and bottle body, thus improving production efficiency and product quality.

CN224511544UActive Publication Date: 2026-07-17LINQING RUTAI DAIRY CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
LINQING RUTAI DAIRY CO LTD
Filing Date
2025-09-22
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Traditional screw capping devices are prone to causing wear, scratches, or even deformation on the surface of bottle caps or cans, and have poor adaptability, affecting production efficiency and product quality.

Method used

Employing a spiral clamping and centering clamping mechanism, combined with a motor, cylinder, and buffer device, the screw rod and slider work together to achieve precise positioning and buffered movement between the bottle cap and the bottle body, avoiding hard contact.

Benefits of technology

It reduces wear and scratches on bottle caps and bodies, improves capping accuracy and adaptability, reduces scrap rate, and enhances production efficiency and product quality.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN224511544U_ABST
    Figure CN224511544U_ABST
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Abstract

This utility model relates to the field of packaging technology and discloses an anti-wear capping device for bottled fillings. It includes a housing, with a speed reduction transmission assembly on the inner wall of the housing. A support frame is fixedly connected to the outer wall of the housing. A guide tube is slidably connected to the outer wall of the support frame, and another guide tube is slidably connected to the outer wall of the support frame. A base is fixedly connected to the lower surface of the guide tubes. A worktable is fixedly connected to the outer wall of the base, and another worktable is fixedly connected to the outer wall of the base. A spiral clamping mechanism is provided on the outer wall of the first worktable, and a centering clamping mechanism is provided on the upper surface of the second worktable. This utility model solves the problem of bottle cap wear, scratches, and even deformation during equipment operation by using the centering clamping mechanism and the spiral clamping mechanism, thereby improving packaging quality and reducing the bottle cap scrap rate.
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Description

Technical Field

[0001] This utility model relates to the field of packaging technology, and in particular to an anti-wear capping device for bottled fillings. Background Technology

[0002] With the market's increasing demands for product packaging quality and the pursuit of efficiency and stability in automated production lines, the development of an anti-wear capping device that can effectively reduce wear on bottle cans and improve capping accuracy and adaptability has become an urgent need for the industry.

[0003] Traditional capping devices often employ rigid clamping or friction-driven methods for capping. For example, some devices directly clamp bottle caps or cans using metal clamps. During the tightening process, the rigid contact between the clamps and the can surface can easily cause wear and scratches. This wear is especially noticeable on cans that have been decorated with spraying or printing processes, as it directly affects the product's appearance and reduces its market competitiveness.

[0004] However, existing technologies generally suffer from a significant drawback: they are highly susceptible to wear, scratches, and even deformation of bottle caps or can surfaces during operation. Furthermore, traditional capping devices have relatively poor adaptability. Different sizes and shapes of bottles and cans require different clamps or complex parameter adjustments, and the setup time when changing product models is lengthy, impacting production efficiency. Moreover, on high-speed production lines, traditional devices lack stability, easily leading to capping deviations and can tipping, further exacerbating the risk of can wear and increasing production costs and scrap rates. Utility Model Content

[0005] To overcome the above deficiencies, this utility model provides a spiral clamping mechanism and a centering clamping mechanism, which aim to improve the problem of easy wear, scratches or even deformation of the bottle cap or can surface during operation.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a wear-resistant capping device for bottled fillings, wherein the spiral clamping mechanism includes a second motor, the outer wall of the second motor is fixedly connected to the outer wall of a workbench, the output end of the second motor is rotatably connected to a second gear, the outer wall of the second gear is fixedly connected to a second belt, the outer wall of the second gear is fixedly connected to a threaded rod, the outer wall of the threaded rod is threadedly connected to a second centering push plate, the outer wall of the second centering push plate is fixedly connected to a slider, the outer wall of the slider is slidably connected to a slide rail, the outer wall of the slide rail is fixedly connected to a buffer plate, and the outer wall of the buffer plate is fixedly connected to a second spring.

[0007] Furthermore, the centering clamping mechanism includes a cylinder, the outer wall of which is fixedly connected to the upper surface of the workbench II, the output end of which is fixedly connected to a centering push plate I, the outer wall of the centering push plate I is slidably connected to a guide tube III, the outer wall of the guide tube III is provided with a spring I, and the outer wall of the spring I is fixedly connected to a fixing plate I.

[0008] Furthermore, the outer wall of the threaded rod is rotatably connected to the inside of the second fixed plate, and the outer wall of the second fixed plate is fixedly connected to the upper surface of the first workbench.

[0009] Furthermore, the speed reduction transmission assembly includes a motor, a gear is rotatably connected to the output end of the motor, a belt is fixedly connected to the outer wall of the gear, and a bottle cap gripper is fixedly connected to the outer wall of the gear.

[0010] Furthermore, a workbench one is provided above the base, and a workbench two is provided above the base.

[0011] Furthermore, the outer wall of the slide rail is fixedly connected to a worktable.

[0012] Furthermore, the fixing plate has holes inside.

[0013] Furthermore, the outer wall of the fixing plate is fixedly connected to the upper surface of the workbench.

[0014] This utility model has the following beneficial effects: 1. In this utility model, a motor 2 is mounted on the outer wall of a workbench. The output end of the motor 2 is rotatably connected to a gear 2, causing the gear 2 to rotate. A belt 2 is fixedly connected to two gears 2 to transmit power, causing the two gears to rotate synchronously. The outer wall of the gear 2 is fixedly connected to the outer wall of a threaded rod, causing the threaded rod to rotate. The threaded rod is threadedly connected to the outer wall of a fixed plate 2, and a centering push plate 2 is threadedly connected to the threaded rod, causing the centering push plate 2 to reciprocate. A slider is fixedly connected to the outer wall of the centering push plate 2, and a slide rail is slidably connected to the outer wall of the slider, allowing the centering push plate 2 to reciprocate in a limited and directional manner. A buffer plate is fixedly connected to the outer wall of the slide rail, and a spring 2 is fixedly connected to the outer wall of the buffer plate to cushion the movement of the centering push plate 2. This solves the problem of bottle cap wear, scratches, and even deformation during equipment operation, achieving the effect of improving packaging quality and reducing the scrap rate of bottle caps.

[0015] 2. In this utility model, a cylinder mounted on the upper surface of the workbench is activated. The cylinder's output end is fixedly connected to the outer wall of the centering push plate, causing the centering push plate to reciprocate. A fixed plate is slidably connected to the cylinder. The outer wall of the centering push plate is slidably connected to the guide tube, limiting and directionally guiding the centering push plate's reciprocating motion. A spring is installed on the outer wall of the guide tube for cushioning. This solves the problem of damage to the bottle body and label caused by excessive torque during bottle clamping, achieving the effect of improving production efficiency and reducing the bottle scrap rate. Attached Figure Description

[0016] Figure 1 This is a three-dimensional structural diagram of an anti-wear capping device for bottled filling bodies proposed in this utility model; Figure 2 This is a schematic diagram of the cross-sectional structure of the outer shell of an anti-wear capping device for bottled filling bodies proposed in this utility model; Figure 3 This is a schematic diagram of the buffer plate part of an anti-wear capping device for bottled filling bodies proposed in this utility model; Figure 4 This is a schematic diagram of the threaded rod portion of an anti-wear capping device for bottled filling bodies proposed in this utility model; Figure 5 This is a schematic diagram of a part of the centering push plate of an anti-wear capping device for bottled filling bodies proposed in this utility model; Figure 6 for Figure 3 Enlarged view of point A in the image.

[0017] Legend: 1. Outer shell; 2. Motor 1; 3. Support frame; 4. Guide tube 1; 5. Guide tube 2; 6. Workbench 1; 7. Bottle cap gripper; 8. Belt 1; 9. Cylinder; 10. Fixing plate 1; 11. Centering push plate 1; 12. Spring 1; 13. Guide tube 3; 14. Workbench 2; 15. Gear 1; 16. Motor 2; 17. Gear 2; 18. Belt 2; 19. Threaded rod; 20. Centering push plate 2; 21. Fixing plate 2; 22. Slider; 23. Slide rail; 24. Buffer plate; 25. Spring 2; 26. Base. Detailed Implementation

[0018] 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 protection scope of the present utility model.

[0019] Reference Figures 1-5An embodiment of this utility model provides: an anti-wear capping device for bottled filling bodies, including a shell 1, a speed reduction transmission assembly provided on the inner wall of the shell 1, a support frame 3 fixedly connected to the outer wall of the shell 1, a guide tube 4 slidably connected to the outer wall of the support frame 3, a guide tube 5 slidably connected to the outer wall of the support frame 3, a base 26 fixedly connected to the lower surface of the guide tube 4, the guide tube 4 and the guide tube 5 constrain the movement trajectory of the cap gripper to ensure that the capping axis deviation is not too large, a worktable 6 fixedly connected to the outer wall of the base 26, a worktable 14 fixedly connected to the outer wall of the base 26, a spiral clamping mechanism provided on the outer wall of the worktable 6, and a centering clamping mechanism provided on the upper surface of the worktable 14; The spiral clamping mechanism includes a second motor 16, the output end of which is rotatably connected to a second gear 17, causing the second gear 17 to rotate. A belt 18 is fixedly connected to two gears 17 to transmit power and make the two gears rotate synchronously. The outer wall of the second gear 17 is fixedly connected to the outer wall of a threaded rod 19, causing the threaded rod 19 to rotate. The threaded rod 19 is threadedly connected to the outer wall of a fixed plate 21. A centering push plate 20 is threadedly connected to the threaded rod 19, causing the centering push plate 20 to reciprocate. A slider 22 is fixedly connected to the outer wall of the centering push plate 20. A slide rail 23 is slidably connected to the outer wall of the slider 22, causing the centering push plate 20 to reciprocate in a limited and directional manner. A buffer plate 24 is fixedly connected to the outer wall of the slide rail 23. A spring 25 is fixedly connected to the outer wall of the buffer plate 24 to buffer the movement of the centering push plate 20.

[0020] Reference Figures 1-5The centering clamping mechanism includes a cylinder 9. The output end of the cylinder 9 is fixedly connected to the outer wall of the centering push plate 11, causing the centering push plate 11 to reciprocate. The cylinder 9 is slidably connected to a fixed plate 10. The outer wall of the centering push plate 11 is slidably connected to a guide tube 3 13, causing the centering push plate 11 to reciprocate in a limited and directional manner. A spring 12 is provided on the outer wall of the guide tube 3 13. The spring 12 buffers the movement of the centering push plate 11, reducing the excessive gripping force exerted by the centering push plate 11 on the bottle body. The outer wall of the threaded rod 19 is rotatably connected to the inside of the fixed plate 21. The fixed plate 21 restricts the threaded rod 19 to only rotate. The outer wall of the fixed plate 21 is fixedly connected to the upper surface of the workbench 6. A reduction transmission assembly is provided on the inner wall of the outer shell, including a motor 2. The output end of the motor 2 is rotatably connected to a gear 15. A belt 8 is fixedly connected to the outer wall of the gear 15. The belt 8 provides flexible transmission to reduce vibration and avoid bottle cap shaking caused by rigid connection. A bottle cap gripper 7 is fixedly connected to the outer wall of the gear 15. The motor drives the bottle cap gripper to rotate for capping and packaging. The belt 21... 8 connects motor 216 and gear set 17. Belt 218 is used to transmit power and reduce mechanical noise. Workbench 16 is set above base 26. Workbench 2214 is set above base 26. Workbench 16 is fixedly connected to the outer wall of slide rail 23. Slide rail 23 is used to support the movement of centering push plate 20. Precision linear guide ensures that the push plate moves parallel. Holes are opened in the inside of fixed plate 10 so that cylinder 9 can pass through fixed plate 10 to provide power to centering push plate 11, so that the push plate moves back and forth. The outer wall of fixed plate 10 is fixedly connected to the upper surface of workbench 2214.

[0021] Working principle: When using a wear-resistant capping device for bottled cans, the device is first fixed in a fixed position by the fixed base 26. The support frame 3 is fixedly connected to the outer shell 1 to support the outer shell 1 to lift and lower under the directional limit of the guide tube 4 and the guide tube 5. When working, the motor 2 is turned on, and the output end of the motor 2 drives a gear 15 to rotate. The belt 8 is fixedly connected to the two gears 15 to transmit power so that the two gears 15 rotate synchronously. The other gear 15 is fixedly connected to the bottle cap gripper 7 to make the bottle cap gripper 7 rotate. When it is necessary to clamp and center the bottle, the motor 16 on the outer wall of the workbench 16 is activated. The output end of the motor 16 is connected to the gear 17, which rotates. The belt 18 is fixedly connected to the two gears 17 to transmit power and make the two gears rotate synchronously. The outer wall of the gear 17 is fixedly connected to the outer wall of the threaded rod 19, which rotates. The threaded rod 19 is threadedly connected to the outer wall of the fixed plate 21. The threaded rod 19 is threadedly connected to the centering push plate 20, which moves back and forth. The outer wall of the centering push plate 20 is fixedly connected to the slider 22. The outer wall of the slider 22 is slidably connected to the slide rail 23, which limits and directs the centering push plate 20 to move back and forth. The outer wall of the slide rail 23 is fixedly connected to the buffer plate 24. The outer wall of the buffer plate 24 is fixedly connected to the spring 25 to buffer the movement of the centering push plate 20. When it is necessary to prevent the bottle cap gripper 7 from being eccentric, the cylinder 9 on the upper surface of the workbench 2 14 is activated. The output end of the cylinder 9 is fixedly connected to the outer wall of the centering push plate 11, causing the centering push plate 11 to move back and forth. The cylinder 9 is slidably connected to the fixing plate 10. The outer wall of the centering push plate 11 is slidably connected to the outside of the guide tube 3 13, causing the centering push plate 11 to move back and forth in a limited and directional manner. The outer wall of the guide tube 3 13 is provided with a spring 12 for buffering.

[0022] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A wear-resistant capping device for bottled fillings, comprising a housing (1), characterized in that: The inner wall of the outer shell (1) is provided with a speed reduction transmission assembly. The outer wall of the outer shell (1) is fixedly connected with a support frame (3). The outer wall of the support frame (3) is slidably connected with a guide tube (4). The outer wall of the support frame (3) is slidably connected with a guide tube (5). The lower surface of the guide tube (4) is fixedly connected with a base (26). The outer wall of the base (26) is fixedly connected with a worktable (6). The outer wall of the base (26) is fixedly connected with a worktable (14). The outer wall of the worktable (6) is provided with a spiral clamping mechanism. The upper surface of the worktable (14) is provided with a centering clamping mechanism. The spiral clamping mechanism includes a second motor (16), the outer wall of which is fixedly connected to the outer wall of the first workbench (6). The output end of the second motor (16) is rotatably connected to a second gear (17). The outer wall of the second gear (17) is fixedly connected to a second belt (18). The outer wall of the second gear (17) is fixedly connected to a threaded rod (19). The outer wall of the threaded rod (19) is threadedly connected to a second centering push plate (20). The outer wall of the second centering push plate (20) is fixedly connected to a slider (22). The outer wall of the slider (22) is slidably connected to a slide rail (23). The outer wall of the slide rail (23) is fixedly connected to a buffer plate (24). The outer wall of the buffer plate (24) is fixedly connected to a second spring (25).

2. The anti-wear capping device for bottled filling bodies according to claim 1, characterized in that: The centering clamping mechanism includes a cylinder (9), the outer wall of which is fixedly connected to the upper surface of the workbench (14), the output end of which is fixedly connected to a centering push plate (11), the outer wall of which is slidably connected to a guide tube (13), the outer wall of which is provided with a spring (12), and the outer wall of which is fixedly connected to a fixing plate (10).

3. The anti-wear capping device for bottled filling bodies according to claim 1, characterized in that: The outer wall of the threaded rod (19) is rotatably connected to the inside of the second fixed plate (21), and the outer wall of the second fixed plate (21) is fixedly connected to the upper surface of the first workbench (6).

4. The anti-wear capping device for bottled filling bodies according to claim 1, characterized in that: The speed reduction transmission assembly includes a motor (2), the output end of which is rotatably connected to a gear (15), the outer wall of which is fixedly connected to a belt (8), and the outer wall of which is fixedly connected to a bottle cap gripper (7).

5. The anti-wear capping device for bottled filling bodies according to claim 1, characterized in that: A workbench one (6) is provided above the base (26), and a workbench two (14) is provided above the base (26).

6. The anti-wear capping device for bottled filling bodies according to claim 1, characterized in that: The slide rail (23) is fixedly connected to a workbench (6).

7. The anti-wear capping device for bottled filling bodies according to claim 2, characterized in that: The fixing plate (10) has holes inside.

8. The anti-wear capping device for bottled filling bodies according to claim 2, characterized in that: The outer wall of the fixing plate one (10) is fixedly connected to the upper surface of the workbench two (14).