Liftable nail head and carton nailing machine provided with same

By optimizing the design of the lifting drive mechanism and the left and right position adjustment mechanism, the nail head lifting mechanism of the carton nailing machine has been improved, solving the problems of insufficient operating space and high maintenance costs, and achieving efficient carton sealing and low-cost maintenance.

CN223934280UActive Publication Date: 2026-02-24DUCHENG TECHNOLOGY (TANGSHAN) CO LTD
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Patent Information

Application Number
CN202520609230.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-02
Publication Date
2026-02-24
Estimated Expiration
2035-04-02

AI Technical Summary

Technical Problem

The existing carton nailing machine has an inadequate nail head lifting mechanism design, resulting in insufficient operating space, making it difficult to adapt to the sealing needs of cartons of different sizes and specifications, and also incurring high maintenance costs.

Method used

It employs a lifting drive mechanism, an eccentric structure bushing, and a lifting body, and uses a worm gear transmission assembly to achieve intermittent lifting and lowering of the nail head. It is also equipped with a left and right position adjustment mechanism, providing ample operating space and flexible adjustment of the nail head position.

Benefits of technology

It improves the working efficiency of carton nailing machines, reduces equipment maintenance costs, adapts to carton sealing operations of different sizes and specifications, and ensures the convenience of nail head cleaning and maintenance and nail wire replacement.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223934280U_ABST
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Abstract

The utility model discloses a liftable nail head and a carton nailing machine provided with the liftable nail head. The liftable nail head is provided with a nail head assembly, a lifting component and a left-right position adjusting mechanism. The lifting component comprises a lifting driving mechanism, an eccentric structure shaft sleeve and a lifting body, the lifting driving mechanism is composed of a lifting motor, worm and gear transmission assemblies and rotating shafts, and the worm and gear transmission assemblies and the rotating shafts are arranged up and down; worms in the two worm and gear transmission assemblies are vertically connected into a whole and fixedly connected with an output shaft of the lifting motor, the rotating shaft penetrates through worm gears in the two worm and gear transmission assemblies, the rotating shaft and the worm gears are assembled in a fastened mode, and the eccentric structure shaft sleeves are arranged outside the rotating shaft in a fastened connection mode and arranged on the left side and the right side of the worm gears. An eccentric disc is arranged on the eccentric structure shaft sleeve, and the eccentric disc is assembled with the lifting body; and the nail head assembly is mounted at the bottom of the lifting body. According to the utility model, the purposes of improving the working efficiency and reducing the equipment maintenance cost are achieved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to packaging machinery technical field, concretely is a liftable nail head and the carton nailing machine of equipping liftable nail head. BACKGROUND

[0002] Carton nailing machine is the special carton sealing equipment in the carton production process, and its main working process is: when the workpiece is conveyed to the binding station, the workpiece is fixed and pressed through the front end positioning, rear end alignment and two side pressing actions, and then the nail head punches at the set position to bind the folded seal. Since the punching action of the nail head is intermittent operation mode, the nail head needs to be lifted to avoid the paper workpiece passing space. At the same time, the nail head of the carton nailing machine also needs to be regularly cleaned and maintained and the nail wire needs to be replaced, so a relatively wide operation space needs to be reserved at the binding station of the carton nailing machine. In addition, for the large-format specification carton nailing machine, it has good universal performance and can be applied to different size specifications of carton sealing operation, but when switching between different batches of workpieces, the position of the nail head generally needs to be adjusted. In order to meet the above operation conditions, the lifting mechanism of the nail head of the carton nailing machine and the arrangement structure of the lifting mechanism need to be optimized and designed. SUMMARY

[0003] The utility model provides a liftable nail head and the carton nailing machine of equipping liftable nail head, it aims at through the cooperation of lifting drive mechanism, eccentric structure shaft sleeve and lifting body, realizes intermittent lifting action of nail head, avoids paper workpiece passing space and provides wide operation space for nail head cleaning and maintenance, satisfies different batches of workpiece binding requirements through left and right position adjusting mechanism, reaches the purpose of improving work efficiency and reducing equipment maintenance cost.

[0004] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0005] A liftable nail head is provided with a nail head assembly, a lifting component and a left and right position adjusting mechanism. The left and right position adjusting mechanism is provided with a left and right moving seat, which is a U-shaped groove structure with an opening inclined to the front and placed. The lifting component is arranged in the U-shaped groove of the left and right moving seat.

[0006] The lifting component includes a lifting drive mechanism, an eccentric structure shaft sleeve and a lifting body. The lifting drive mechanism is composed of a lifting motor, a worm and gear transmission assembly and a rotating shaft. The worm and gear transmission assembly and the rotating shaft are arranged in two groups. The worms in the two groups of worm and gear transmission assemblies are connected as a whole and fixedly connected with the output shaft of the lifting motor. The rotating shaft penetrates through the worm in the two groups of worm and gear transmission assemblies, and the rotating shaft is tightly assembled with the worm. The eccentric structure shaft sleeve is tightly connected with the outside of the rotating shaft and arranged on the left and right sides of the worm. An eccentric disc is arranged on the eccentric structure shaft sleeve, and the eccentric disc is assembled with the lifting body.

[0007] The nail head assembly is installed at the bottom of the lifting body.

[0008] The aforementioned liftable nail head has a rotating shaft through hole on both sides of the left and right movable seat; the rotating shaft is fitted with the rotating shaft through hole through an eccentric structure bushing, and the two ends of the rotating shaft are pivotally assembled with the left and right wall panels of the carton nailing machine.

[0009] The aforementioned liftable nail head, the left and right position adjustment mechanism is further provided with an adjustment motor and a lead screw and nut transmission assembly. The adjustment motor drives the lead screw and nut transmission assembly to operate. The lead screw of the lead screw and nut transmission assembly is arranged between the upper and lower sets of rotating shafts of the lifting drive mechanism. In the lead screw and nut transmission mechanism, the nut is fixedly assembled with the two side walls of the left and right moving seats.

[0010] The lifting and adjusting motors of the aforementioned adjustable nail head are both servo motors.

[0011] A carton stapling machine is equipped with the aforementioned liftable stapling head in its binding station work area.

[0012] This utility model provides a height-adjustable nail head and a carton nailing machine equipped with the height-adjustable nail head. It arranges two sets of worm gear transmission components and rotating shafts vertically in the lifting drive mechanism of the lifting component, and positions the left-right adjustment mechanism between the two sets of rotating shafts. This provides a larger clearance space above the nail head, making it easier to clean and maintain the nail head and replace the nail wire. This utility model uses a lifting motor to drive the worm gear transmission components, which in turn drive the rotating shaft and the eccentric structure bushing fixedly mounted to the rotating shaft to rotate. The eccentric bushing... The eccentric disc and lifting body are assembled together. When the eccentric disc drives the lifting body to the highest position, the paper workpiece can pass under the nail head. When the eccentric disc drives the lifting body to the lowest position, with the cooperation of the paper pressing mechanism, the nail head is nailed at the set position of the paper workpiece, realizing the sealing and closure of the carton. At the same time, the self-locking function of the worm gear ensures the stability of the nailing operation. To accommodate paper workpieces of different sizes and specifications, this utility model is equipped with a left and right position adjustment mechanism, thereby better utilizing the versatility of the nailing machine. In summary, this utility model achieves the purpose of improving work efficiency and reducing equipment maintenance costs through the above technical means. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall structure of the liftable nail head described in this utility model;

[0014] Figure 2 yes Figure 1 K-direction view;

[0015] Figure 3 This is a schematic diagram of the lifting component structure;

[0016] Figure 4 yes Figure 3 K-direction view;

[0017] Figure 5 yes Figure 4 Schematic diagram of the cross-sectional structure of the middle AA section;

[0018] Figure 6 This is a schematic diagram of the assembly structure of the worm gear transmission assembly, the rotating shaft, and the eccentric shaft;

[0019] Figure 7 This is a schematic diagram of an eccentric bushing structure;

[0020] Figure 8 This is a schematic diagram of the left and right position adjustment mechanism.

[0021] Explanation of each label in the diagram:

[0022] 1 is the nail head assembly

[0023] 2 is the lifting component, 2-1 is the lifting motor, 2-2 is the worm gear transmission assembly, 2-3 is the rotating shaft, 2-4 is the eccentric structure bushing, 2-4-1 is the eccentric disc, and 2-5 is the lifting body;

[0024] 3 is the left and right position adjustment mechanism, 3-1 is the adjustment motor, 3-2 is the lead screw and nut transmission assembly, and 3-3 is the left and right moving seat. Detailed Implementation

[0025] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0026] See Figure 1. Figure 2 , Figure 8 This utility model provides a height-adjustable staple head, which includes a staple head assembly 1, a lifting component 2, and a left-right position adjustment mechanism 3. The left-right position adjustment mechanism 3 includes a left-right moving seat 3-3, which is a U-shaped groove structure with an opening facing forward and tilted downwards. The lifting component 2 is installed in the U-shaped groove of the left-right moving seat 3-3. This utility model also provides a carton stapler, in which the above-mentioned height-adjustable staple head is installed in the binding station working area of ​​the carton stapler.

[0027] See Figure 3 , Figure 4 , Figure 5 , Figure 6The lifting component 2 of the liftable nail head of this utility model includes a lifting drive mechanism, an eccentric structure bushing 2-4, and a lifting body 2-5. The lifting drive mechanism consists of a lifting motor 2-1, a worm gear transmission assembly 2-2, and a rotating shaft 2-3. Two sets of worm gear transmission assemblies 2-2 and rotating shaft 2-3 are arranged vertically. The worms in the two sets of worm gear transmission assemblies 2-2 are connected vertically as a whole and fixedly connected to the output shaft of the lifting motor 2-1. The rotating shaft 2-3 passes through the worm wheels in the two sets of worm gear transmission assemblies 2-2 and is fastened to the worm wheels. The eccentric structure bushing 2-4 is fitted on the outside of the rotating shaft 2-3 in a fastening connection manner and is arranged on the left and right sides of the worm wheels.

[0028] See Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 The liftable nail head of this utility model has an eccentric disc 2-4-1 on the eccentric structure bushing 2-4 of the lifting component, and the eccentric disc 2-4-1 is assembled with the lifting body 2-5.

[0029] See Figure 8 The adjustable nail head of this utility model has a left and right position adjustment mechanism 3, which is further provided with an adjustment motor 3-1 and a lead screw and nut transmission assembly 3-2. The adjustment motor 3-1 drives the lead screw and nut transmission assembly 3-2 to operate. The lead screw of the lead screw and nut transmission assembly 3-2 is arranged between the upper and lower sets of rotating shafts 2-3 of the lifting drive mechanism. In the lead screw and nut transmission mechanism, the nut is fixedly assembled with the two side walls of the left and right moving seats 3-3.

[0030] See Figures 1 to 8This utility model provides a height-adjustable staple head and a carton stapler equipped with the height-adjustable staple head. The height-adjustable staple head arranges two sets of worm gear transmission assemblies 2-2 and rotating shafts 2-3 vertically in the lifting drive mechanism of the lifting component 2, and positions the left-right adjustment mechanism 3 between the two sets of rotating shafts 2-3. This provides a larger clearance space above the staple head assembly 1, facilitating cleaning, maintenance, and staple wire replacement. When performing binding operations, the carton stapler equipped with the height-adjustable staple head of this utility model drives the two sets of worm gear transmission assemblies 2-2 and rotating shafts 2-3 vertically. The worm gear transmission assembly 2-2 operates, which in turn drives the rotating shaft 2-3 and the eccentric structure bushing 2-4 fixedly mounted to the rotating shaft 2-3 to rotate. The eccentric disc 2-4-1 on the eccentric bushing 2-4 is fitted with the lifting body 2-5. When the eccentric disc 2-4-1 drives the lifting body 2-5 to the highest position, the paper workpiece can pass under the nail head assembly 1. When the eccentric disc 2-4-1 drives the lifting body 2-5 to the lowest position, with the cooperation of the paper pressing mechanism, the nail head is nailed at the set position of the paper workpiece, realizing the sealing and closure of the carton. When switching between different batches of workpieces, the left and right position of the nail head assembly 1 can be adjusted by the left and right position adjustment mechanism 3 to adapt to the sealing and binding requirements of workpieces of different sizes and specifications.

Claims

1. A retractable nail head, characterized in that: The device is provided with a nail head assembly (1), a lifting component (2) and a left and right position adjustment mechanism (3); the left and right position adjustment mechanism (3) is provided with a left and right moving seat (3-3), the left and right moving seat (3-3) is a U-shaped groove structure with the opening facing forward and tilted, and the lifting component (2) is installed in the U-shaped groove of the left and right moving seat (3-3). The lifting component (2) includes a lifting drive mechanism, an eccentric structure bushing (2-4), and a lifting body (2-5). The lifting drive mechanism consists of a lifting motor (2-1), a worm gear transmission assembly (2-2), and a rotating shaft (2-3). The worm gear transmission assembly (2-2) and the rotating shaft (2-3) are arranged in two sets, one above the other. The worms in the two sets of worm gear transmission assemblies (2-2) are connected vertically and fixedly connected to the output shaft of the lifting motor (2-1). The rotating shaft (2-3) passes through the worms in the two sets of worm gear transmission assemblies (2-2). The rotating shaft (2-3) is fastened to the worms. The eccentric structure bushing (2-4) is fastened to the outside of the rotating shaft (2-3) and arranged on the left and right sides of the worms. An eccentric disc (2-4-1) is set on the eccentric structure bushing (2-4). The eccentric disc (2-4-1) is assembled with the lifting body (2-5). The nail head assembly (1) is installed at the bottom of the lifting body (2-5).

2. The adjustable nail head according to claim 1, characterized in that: Rotary shaft through holes are provided on both sides of the left and right movable seat (3-3); the rotating shaft (2-3) is fitted with the rotating shaft through hole through an eccentric structure bushing (2-4), and the two ends of the rotating shaft (2-3) are pivotally assembled with the left and right wall panels of the carton nailing machine.

3. The adjustable nail head according to claim 2, characterized in that: The left and right position adjustment mechanism (3) is also provided with an adjustment motor (3-1) and a lead screw and nut transmission assembly (3-2). The adjustment motor (3-1) drives the lead screw and nut transmission assembly (3-2) to operate. The lead screw of the lead screw and nut transmission assembly (3-2) is arranged between the upper and lower sets of rotating shafts (2-3) of the lifting drive mechanism. The nut in the lead screw and nut transmission mechanism is fixedly assembled with the two side walls of the left and right moving seat (3-3).

4. The adjustable nail head according to claim 3, characterized in that: Both the lifting motor (2-1) and the adjusting motor (3-1) are servo motors.

5. A carton stapling machine, characterized in that: The binding station work area of ​​the carton stapler is equipped with a retractable staple head as described in any one of claims 1 to 4.