Cover pressing device for packaging machine

By combining the design of screw, bevel gear assembly and cylinder, stable clamping and automatic capping conveying of packaging boxes are achieved, solving the stability and automation problems of the capping device of the packaging machine, and improving production efficiency and product quality.

CN224225371UActive Publication Date: 2026-05-12JIANGSU ANJIE INTELLIGENT MFG CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
JIANGSU ANJIE INTELLIGENT MFG CO LTD
Filing Date
2025-05-14
Publication Date
2026-05-12

AI Technical Summary

Technical Problem

Existing packaging machine capping devices lack stable and efficient clamping components, which makes it easy for packaging boxes to shift and misalign during capping, affecting sealing performance. Furthermore, they rely on manual handling of boxes, making it difficult to meet the needs of high-speed automated production.

Method used

The design employs a combination of screw, bevel gear assembly, threaded block, connecting rod and slider to achieve stable clamping of packaging boxes. Through the cooperation of cylinder and push plate, the capping and conveying process is completed automatically, reducing manual intervention.

Benefits of technology

It improves the stability and efficiency of packaging box capping, realizes automated packaging box conveying, reduces the need for manual operation, and improves production cycle and product quality.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224225371U_ABST
Patent Text Reader

Abstract

The utility model discloses a gland device for a packing machine, which comprises a base, the middle part of the inner side of the base is fixedly connected with a connecting shell, one end of the outer side of the connecting shell is fixedly connected with a motor II, the output end of the motor II penetrates through the connecting shell and is inwards and fixedly connected with a bevel gear I, and the middle part of the connecting shell is rotatably connected with a screw rod; and the screw rod is fixedly connected with a bevel gear II, and the bevel gear II is matched with the bevel gear I. The two clamping plates can move relatively by arranging the screw rod, the bevel gear assembly, the threaded block, the connecting rod and the sliding block, so that a packaging box can be positioned and clamped, and the stability of the packaging box during capping is ensured; and in cooperation with a movable plate and a pressing plate which are driven by a first air cylinder above, rapid cover pressing operation can be conducted on the packaging box, and the cover pressing efficiency of the whole device is improved.
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Description

Technical Field

[0001] This utility model relates to the field of packaging machine technology, and in particular to a capping device for packaging machines. Background Technology

[0002] The core purpose of capping packaging boxes is to ensure product sealing, prevent leakage of contents or external contamination, and extend shelf life. At the same time, standardized packaging can improve product appearance consistency and brand image. If there is a lack of stable and efficient clamping components during the capping process, the packaging box is prone to displacement due to uneven force or mechanical vibration when it is compressed, resulting in misalignment between the cap and the box. This can lead to minor issues such as affecting the adhesion of the sealing strip (e.g., vacuum failure or liquid leakage in food and pharmaceutical packaging), or even serious issues such as the cap being misaligned, causing the capping mechanism to jam or even damaging the equipment.

[0003] In addition, the traditional capping process relies on manual handling of packaging boxes. After the capping is completed, staff need to manually remove the finished product and place the new box. The operation rhythm is limited by the efficiency of human-machine interaction, which is difficult to match the needs of high-speed automated production lines. Furthermore, long-term repetitive work can easily lead to fatigue errors (such as misplacement or omission), further reducing the overall production cycle. Utility Model Content

[0004] The purpose of this utility model is to provide a capping device for packaging machines, which solves the problems of existing packaging machine capping devices lacking stable and efficient clamping components and relying on manual handling of packaging boxes.

[0005] To achieve the above objectives, a capping device for a packaging machine is provided, comprising a base, a connecting shell fixedly connected to the inner center of the base, a second motor fixedly connected to one outer end of the connecting shell, a first bevel gear fixedly connected to the output end of the second motor through the connecting shell, a screw rotatably connected to the middle of the connecting shell, a second bevel gear fixedly connected to the screw, and the second bevel gear cooperating with the first bevel gear.

[0006] The screw is threaded with a threaded block, and the two ends of the threaded block are rotatably connected to a connecting rod. The upper two ends of the base are provided with sliding grooves, and a slider is slidably connected inside the sliding groove. The other end of the connecting rod is rotatably connected to the bottom of the slider, and a clamping plate is fixedly connected to the upper end of the slider.

[0007] According to the capping device for a packaging machine, a slide rod is fixedly connected inside the slide groove, and the slider is slidably connected to the slide rod.

[0008] According to the capping device for a packaging machine, the base is fixedly connected to four columns at its upper ends, and a top plate is fixedly connected to the top of the columns.

[0009] According to the capping device for a packaging machine, a cylinder is fixedly connected to the upper center of the top plate, and a movable plate is fixedly connected to the extended end of the cylinder through the top plate downwards. A pressure plate is fixedly connected to the lower end of the movable plate.

[0010] According to the capping device for a packaging machine, a fixing plate is fixedly connected to one end of the base relative to the clamping plate, and a cylinder is fixedly connected to the fixing plate.

[0011] According to the capping device for a packaging machine, the extension end of the second cylinder is fixedly connected to a push plate through the fixing plate, and the other end of the base is fixedly connected to a guide plate.

[0012] According to the capping device for a packaging machine, a positioning frame is provided below the guide plate, a motor is fixedly connected to the outer end of the positioning frame, a conveyor belt is installed inside the positioning frame, and brackets are fixedly connected to the four lower ends of the positioning frame.

[0013] The above-mentioned solution has the following beneficial effects:

[0014] This patent enables two clamping plates to move relative to each other by setting a screw, bevel gear assembly, threaded block, connecting rod and slider, thereby positioning and clamping the packaging box to ensure the stability of the packaging box during capping. Together with the movable plate and pressure plate driven by the upper cylinder, it can complete the quick capping operation of the packaging box and improve the capping efficiency of the whole device.

[0015] This patented technology uses a cylinder, a pusher plate, and a guide plate to push the finished packaging box onto a conveyor belt, which then automatically transports it without the need for manual removal, saving time and effort.

[0016] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0017] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0018] Figure 1 This is a schematic diagram of a capping device for a packaging machine according to the present invention.

[0019] Figure 2 This is a cross-sectional view of a capping device for a packaging machine according to the present invention;

[0020] Figure 3 This is a side view of a capping device for a packaging machine according to the present invention;

[0021] Figure 4This is a schematic diagram of the internal connection shell of a capping device for a packaging machine according to the present invention.

[0022] Legend:

[0023] 1. Base; 2. Slide rod; 3. Slide groove; 4. Clamping plate; 5. Movable plate; 6. Cylinder 1; 7. Top plate; 8. Guide plate; 9. Positioning frame; 10. Motor 1; 11. Conveyor belt; 12. Support; 13. Pressure plate; 14. Slider; 15. Connecting rod; 16. Threaded block; 17. Motor 2; 18. Connecting shell; 19. Screw; 20. Column; 21. Cylinder 2; 22. Fixing plate; 23. Push plate; 24. Bevel gear 1; 25. Bevel gear 2. Detailed Implementation

[0024] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0025] Reference Figure 1-4 This utility model provides a capping device for a packaging machine, comprising a base 1, a connecting shell 18 fixedly connected to the inner center of the base 1, a motor 17 fixedly connected to one outer end of the connecting shell 18, a bevel gear 24 fixedly connected to the output end of the motor 17 through the connecting shell 18, a screw 19 rotatably connected to the middle of the connecting shell 18, a bevel gear 25 fixedly connected to the screw 19, the bevel gear 25 and the bevel gear 24 cooperating with each other, starting the motor 17 can drive the bevel gear 24 to rotate, and under the meshing action, can drive the bevel gear 25 and the screw 19 to rotate;

[0026] A threaded block 16 is threaded onto the screw 19. A connecting rod 15 is rotatably connected to both ends of the threaded block 16. A sliding groove 3 is provided at both ends of the upper part of the base 1. A slider 14 is slidably connected inside the sliding groove 3. The other end of the connecting rod 15 is rotatably connected to the bottom of the slider 14. A clamping plate 4 is fixedly connected to the upper end of the slider 14. Under the action of the threaded connection, the threaded block 16 can gradually move downward. Through the linkage between the connecting rod 15 and the slider 14, the two clamping plates 4 can be driven to gradually move inward, thereby positioning and clamping the packaging box to ensure the stability of the packaging box when it is capped and to prevent displacement.

[0027] The slide bar 2 is fixedly connected inside the slide groove 3, and the slider 14 is slidably connected to the slide bar 2. By setting the slide bar 2, slide groove 3 and slider 14, the clamping plate 4 can be restricted to ensure the stability of the clamping plate 4 during the adjustment. The adjustability allows the clamping plate 4 assembly to be suitable for packaging boxes of different sizes.

[0028] The base 1 is fixedly connected to four columns 20 at its top. The top plate 7 is fixedly connected to the top of the columns 20. The cylinder 6 is fixedly connected to the middle of the top plate 7. The extension end of the cylinder 6 passes through the top plate 7 and is fixedly connected to a movable plate 5 downwards. The lower end of the movable plate 5 is fixedly connected to a pressure plate 13. When the cylinder 6 is activated, it drives the movable plate 5 and the pressure plate 13 to move downwards. The pressure plate 13 presses the lid on the packaging box onto the packaging box, thus completing the lid pressing process.

[0029] A fixed plate 22 is fixedly connected to one end of the base 1 relative to the clamping plate 4. A cylinder 21 is fixedly connected to the fixed plate 22. The extension end of the cylinder 21 passes through the fixed plate 22 and is fixedly connected to a push plate 23. A guide plate 8 is fixedly connected to the other end of the base 1. A positioning frame 9 is set below the guide plate 8. A motor 10 is fixedly connected to the outer end of the positioning frame 9. A conveyor belt 11 is installed inside the positioning frame 9. A bracket 12 is fixedly connected to the four ends below the positioning frame 9. When the cylinder 21 is started, it drives the push plate 23 to move inward, pushing the capped packaging box onto the conveyor belt 11. Finally, the motor 10 is started to make the conveyor belt 11 rotate, transporting the packaging box to the next process, saving time and effort and improving the capping processing efficiency. The guide plate 8 is designed to be inclined, which can ensure that the packaging box can be pushed onto the conveyor belt 11. The output shaft of the motor 10 is directly connected to the drive shaft of the conveyor belt 11 through a coupling to achieve the conveying effect of the packaging box.

[0030] Working principle: During use, the operator places the packaging box to be capped on the base 1, starts the motor 17 to drive the bevel gear 24 to rotate, and under the meshing action, drives the bevel gear 25 and the screw 19 to rotate. At the same time, under the action of the threaded connection, the threaded block 16 can gradually move downward. Through the linkage of the connecting rod 15 and the slider 14, the two clamping plates 4 can be driven to move inward, thereby positioning and clamping the packaging box to ensure the stability of the packaging box during capping. Then, the cylinder 6 starts to drive the movable plate 5 and the pressure plate 13 to move downward. The pressure plate 13 presses the lid on the packaging box to complete the capping process. Then, the pressure plate 13 rises, the clamping plates 4 are released, the cylinder 21 starts to drive the push plate 23 to move inward, and pushes the capped packaging box onto the conveyor belt 11. Finally, the motor 10 starts to make the conveyor belt 11 rotate, transporting the packaging box to the next process, saving time and effort and improving the efficiency of capping.

[0031] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A capping device for a packaging machine, comprising a base (1), characterized in that, A connecting shell (18) is fixedly connected to the inner middle of the base (1), and a motor (17) is fixedly connected to one end of the outer side of the connecting shell (18). A bevel gear (24) is fixedly connected to the output end of the motor (17) through the connecting shell (18). A screw (19) is rotatably connected to the middle of the connecting shell (18), and a bevel gear (25) is fixedly connected to the screw (19). The bevel gear (25) and the bevel gear (24) cooperate with each other. A threaded block (16) is threaded onto the screw (19), and a connecting rod (15) is rotatably connected to both ends of the threaded block (16). A sliding groove (3) is provided at both ends of the upper part of the base (1). A slider (14) is slidably connected inside the sliding groove (3), and the other end of the connecting rod (15) is rotatably connected to the bottom of the slider (14). A clamp (4) is fixedly connected to the upper end of the slider (14).

2. A capping device for a packaging machine according to claim 1, characterized in that, The slide groove (3) is fixedly connected to the slide rod (2), and the slider (14) is slidably connected to the slide rod (2).

3. A capping device for a packaging machine according to claim 1, characterized in that, The base (1) is fixedly connected to four columns (20) at its upper end, and the top of the columns (20) is fixedly connected to a top plate (7).

4. A capping device for a packaging machine according to claim 3, characterized in that, A cylinder (6) is fixedly connected to the upper center of the top plate (7). The extended end of the cylinder (6) passes through the top plate (7) and is fixedly connected to a movable plate (5) downwards. A pressure plate (13) is fixedly connected to the lower end of the movable plate (5).

5. A capping device for a packaging machine according to claim 1, characterized in that, A fixing plate (22) is fixedly connected to one end of the base (1) relative to the clamping plate (4), and a cylinder (21) is fixedly connected to the fixing plate (22).

6. A capping device for a packaging machine according to claim 5, characterized in that, The extension end of the cylinder (21) is fixedly connected to the push plate (23) through the fixing plate (22), and the other end of the base (1) is fixedly connected to the guide plate (8).

7. A capping device for a packaging machine according to claim 6, characterized in that, A positioning frame (9) is provided below the guide plate (8). A motor (10) is fixedly connected to the outer end of the positioning frame (9). A conveyor belt (11) is installed inside the positioning frame (9). A bracket (12) is fixedly connected to the four ends below the positioning frame (9).