An easily adjustable box support mechanism

By designing an automated adjustment mechanism for the connecting rod, slide block, and slider, the problem that traditional carton support mechanisms cannot adapt to different carton sizes has been solved, achieving automated adjustment and efficient production.

CN224576920UActive Publication Date: 2026-07-31GUANGZHOU BST TRANSMSISION COMPLETE CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
GUANGZHOU BST TRANSMSISION COMPLETE CO LTD
Filing Date
2025-08-05
Publication Date
2026-07-31

AI Technical Summary

Technical Problem

Traditional carton support mechanisms cannot adjust automatically and cannot adapt to cartons of different sizes or aspect ratios, leading to increased operational complexity and time costs.

Method used

An automated adjustment mechanism comprising a connecting rod, a slide block, and a slider was designed. Through a lifting cylinder and an adjustable rotating rod and gear structure, the mechanism enables automatic opening and flexible adjustment of cartons to adapt to various aspect ratios.

Benefits of technology

It achieves automated adjustment, reduces manual intervention, improves production efficiency, adapts to different carton sizes, and enhances the flexibility and applicability of the carton support mechanism.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224576920U_ABST
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Abstract

This utility model discloses a conveniently adjustable carton-opening mechanism, relating to the field of sanitary napkin production technology. It includes a mechanism base with a sliding carriage that moves up and down inside. Lifting cylinders are fixedly installed on both sides of the mechanism base. The upper output shaft of the lifting cylinder is fixedly connected to the carriage. A rectangular column is fixedly installed at the center of the lower side of the carriage, and two rotating frames are rotatably connected to the upper end of the rectangular column. Connecting rods are rotatably connected to both ends of the rotating frames. This carton-opening mechanism automatically opens the carton through the linkage of connecting rods, the sliding base, and the slider, reducing manual intervention and improving production efficiency. It adopts an adjustable rotating rod and gear structure, flexibly adjusting the cross angle of the adjusting base to adapt to cartons with different aspect ratios. Its height adjustability is precisely adjusted up and down by the lifting cylinder and the carriage, and locked with positioning screw sleeves and studs, allowing for quick adaptation to cartons of different sizes, significantly improving flexibility and applicability.
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Description

Technical Field

[0001] This utility model relates to the field of sanitary napkin production technology, and in particular to a conveniently adjustable support mechanism. Background Technology

[0002] Sanitary napkins are a type of personal hygiene product for women, mainly used to absorb menstrual blood during menstruation and keep the vulva clean and dry. Currently, the production process of sanitary napkins is a highly automated process involving multiple key steps, especially in the packaging and storage stage. After all tests are completed, qualified sanitary napkins are packed into boxes, and brand labels and product information are affixed to the boxes to facilitate subsequent transportation and sales. Before packing, the packaging boxes need to be opened.

[0003] However, traditional carton-opening mechanisms are mostly fixed and cannot be adjusted adaptively. Different types of mechanisms are typically required to open cartons of varying sizes, making automated adjustment impossible. This lack of flexibility to accommodate cartons of different dimensions or aspect ratios leads to frequent manual adjustments or equipment changes when handling multi-specification cartons, increasing operational complexity and time costs. Therefore, this invention proposes a more easily adjustable carton-opening mechanism to address the problems mentioned in the background section. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing a conveniently adjustable support mechanism.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] An easily adjustable support mechanism includes a mechanism base, inside which is a sliding carriage that slides up and down. Lifting cylinders are fixedly installed on both sides of the mechanism base. The upper output shaft of each lifting cylinder is fixedly connected to the carriage. A rectangular column is fixed at the center of the lower side of the carriage. Two rotating frames are rotatably connected to the upper end of the rectangular column. Connecting rods are rotatably connected to both ends of each rotating frame. Two adjusting seats are rotatably connected to the lower side of the mechanism base. Each adjusting seat has a sliding block that slides inward and outward. The sliding block is rotatably connected to the lower end of the corresponding connecting rod above. A sliding slider that slides inward and outward is provided at the outer end of the sliding block. A support rod is fixed to the lower side of the outer end of the slider.

[0007] Preferably, the center of both adjustment seats and the lower center of the mechanism seat are provided with corresponding rectangular column limiting grooves, and the left and right sides of the mechanism seat are provided with corresponding slide grooves for the slide.

[0008] Preferably, the mechanism base is rotatably connected to rotating rods on both the left and right sides, the rotating rods are located inside the lifting cylinder, and the slide is provided with circular through slots corresponding to the rotating rods on both the left and right sides.

[0009] Preferably, a second spur gear is fixed to the lower end of both rotating rods, and a tooth groove that meshes with the corresponding second spur gear is opened on the outer side of the center of both adjusting seats.

[0010] Preferably, a spur gear is fixed to the upper end of each of the two rotating rods, the two spur gears are located on the upper side of the mechanism seat, and the two spur gears mesh with each other.

[0011] Preferably, each of the spur gears is fixed with a stud on its upper center, a knob is fixed on the upper end of the stud, and a positioning sleeve is threaded onto the stud that is in close contact with the surface of the mechanism seat.

[0012] Preferably, a stud is fixed on the upper side of the inner end of the slider, and a slot corresponding to the stud is opened on the surface of the slide block. A positioning sleeve is threaded onto the stud and closely attached to the surface of the adjusting seat.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0014] 1. The automated adjustment function in this utility model design enables the mechanism to automatically open the carton through the linkage of the connecting rod, slide and slider, reducing manual intervention and improving production efficiency. In addition, through the adjustable rotating rod and gear structure, the cross angle of the two adjustment seats can be flexibly adjusted according to the length-to-width ratio of the carton to ensure that it can adapt to cartons with various length-to-width ratios.

[0015] 2. The box-supporting mechanism of this utility model has high adjustability. Through the cooperation of the lifting cylinder and the slide, it realizes precise up and down movement and completes the automatic opening of the conveyed carton. The slider on the slide block is locked by the positioning screw sleeve and the stud, which can be adapted to cartons of different sizes. The adjustment is convenient and fast, which greatly improves the flexibility and applicability of the box-supporting mechanism. Attached Figure Description

[0016] Figure 1 A schematic diagram of the structure of a conveniently adjustable support mechanism proposed in this utility model. Figure 1 ;

[0017] Figure 2 A schematic diagram of the structure of a conveniently adjustable support mechanism proposed in this utility model. Figure 2 ;

[0018] Figure 3 A schematic diagram of the structure of a conveniently adjustable support mechanism proposed in this utility model. Figure 3 ;

[0019] Figure 4 This is a side view of a conveniently adjustable support mechanism proposed in this utility model.

[0020] Figure 5This is a top view of the easily adjustable support mechanism proposed in this utility model.

[0021] In the diagram: 1. Mechanism base; 2. Adjustment base; 3. Slide; 4. Connecting rod; 5. Rectangular column; 6. Rotary frame; 7. Spur gear one; 8. Stud one; 9. Positioning screw sleeve one; 10. Slide; 11. Lifting cylinder; 12. Rotating rod; 13. Spur gear two; 14. Slider; 15. Support rod; 16. Stud two; 17. Positioning screw sleeve two; 18. Slot. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0023] Reference Figure 1-5 A conveniently adjustable support mechanism includes a mechanism base 1, inside which a slide 10 that slides up and down is provided. Lifting cylinders 11 are fixedly installed on both sides inside the mechanism base 1. The upper output shaft of the lifting cylinder 11 is fixedly connected to the slide 10. A rectangular column 5 is fixed at the center of the lower side of the slide 10. The center of the two adjusting seats 2 and the center of the lower side of the mechanism base 1 are provided with corresponding limiting slots of the rectangular column 5. The left and right sides of the mechanism base 1 are provided with corresponding sliding grooves of the slide 10. The upper slide 10 is controlled to slide up and down in the mechanism base 1 by the lifting cylinders 11 on both sides. With the help of the central rectangular column 5, the slide 10 can be stably restricted to move up and down in the mechanism base 1.

[0024] Two rotating frames 6 are rotatably connected to the upper end of the rectangular column 5. Both ends of the rotating frames 6 are rotatably connected to the connecting rods 4. The lower side of the mechanism base 1 is rotatably connected to two adjusting seats 2. The adjusting seats 2 are equipped with sliding blocks 3 that slide inward and outward. The sliding blocks 3 are rotatably connected to the lower end of the corresponding connecting rods 4 above. The outer end of the sliding blocks 3 is equipped with sliding sliders 14 that slide inward and outward. The lower side of the outer end of the sliders 14 is fixed with a support rod 15. During the process of the sliding frame 10 controlled by the lifting cylinder 11 sliding up and down in the mechanism base 1, the sliding blocks 3 in the adjusting seats 2 also slide inward and outward through the drive of the intermediate connecting rod 4. The sliders 14 at the outer end of the sliding blocks 3 and the support rods 15 fixed at the lower side of the sliders 14 follow the sliding, realizing the automatic opening of the conveyed carton.

[0025] Rotating rods 12 are rotatably connected to the left and right sides inside the mechanism base 1. The rotating rods 12 are located inside the lifting cylinder 11. The slide 10 has circular through slots on both sides corresponding to the rotating rods 12. The lower ends of the two rotating rods 12 are fixed with spur gears 13. The outer sides of the center of the two adjusting seats 2 have toothed grooves that mesh with the corresponding spur gears 13. The upper ends of the two rotating rods 12 are fixed with spur gears 7. The two spur gears 7 are located on the upper side of the mechanism base 1 and mesh with each other. When it is necessary to adjust the opening mechanism to fit cartons of different lengths and widths, the cross angle of the two adjusting seats 2 is adjusted according to the length-to-width ratio of the cartons. Rotating one rotating rod 12 causes the other rotating rod 12 to rotate in the opposite direction through the two meshing spur gears 7. The two rotating rods 12 rotating in opposite directions achieve the rotation of the upper and lower adjusting seats 2 in different directions through the spur gears 13 fixed at the lower end and the toothed grooves on the outer sides of the center of the corresponding adjusting seats 2, thereby achieving the adjustment of the cross angle of the two adjusting seats 2.

[0026] A stud 8 is fixed to the upper side of the center of a spur gear 7. A knob is fixed to the upper end of the stud 8. A positioning sleeve 9 is threaded onto the stud 8 and is close to the surface of the mechanism seat 1. After adjusting the cross angle of the two adjustment seats 2, the adjustment angle needs to be fixed. Rotate the positioning sleeve 9 on the stud 8 so that the positioning sleeve 9 is close to the upper surface of the mechanism seat 1, thereby locking the angle of one side of the rotating rod 12, thus fixing the two rotating rods 12 and stabilizing the two centrally connected adjustment seats 2.

[0027] A stud 16 is fixed to the upper side of the inner end of the slider 14. A slot 18 corresponding to the stud 16 is opened on the surface of the slide seat 3. A positioning sleeve 17 that is tightly attached to the surface of the adjusting seat 2 is threaded onto the stud 16. After the cross angle of the adjusting seat 2 is adjusted, the slider 14 inside the adjusting seat 2 is adjusted inward and outward according to the size of the carton. When the slider 14 on the sliding seat 3 is adjusted inward and outward, and the lower support rod 15 can reach the four corners of the carton, the positioning sleeve 17 on the upper side of the stud 16 is rotated so that the positioning sleeve 17 is locked on the surface of the slide seat 3, thereby fixing the adjustment distance of the slider 14 extending outward from the outer end of the slide seat 3, realizing the adjustment of the opening mechanism to adapt to the opening of cartons with different aspect ratios and sizes.

[0028] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A conveniently adjustable box supporting mechanism comprising a mechanism base (1), characterized in that, The mechanism base (1) is provided with a sliding frame (10) that slides up and down inside. Lifting cylinders (11) are fixedly installed on both sides inside the mechanism base (1). The upper output shaft of the lifting cylinder (11) is fixedly connected to the sliding frame (10). A rectangular column (5) is fixed at the center of the lower side of the sliding frame (10). Two rotating frames (6) are rotatably connected to the upper end of the rectangular column (5). Both ends of the rotating frames (6) are rotatably connected to connecting rods (4). Two upper and lower adjusting seats (2) are rotatably connected to the lower side inside the mechanism base (1). A sliding block (3) that slides inward and outward is provided inside the adjusting seat (2). The sliding block (3) is rotatably connected to the lower end of the corresponding connecting rod (4) above. A sliding slider (14) that slides inward and outward is provided at the outer end of the sliding block (3). A support rod (15) is fixed at the lower side of the outer end of the slider (14).

2. The conveniently adjustable box supporting mechanism according to claim 1, wherein, The center of both adjustment seats (2) and the center of the lower side of the mechanism seat (1) are provided with limiting grooves corresponding to the rectangular column (5), and the left and right sides of the mechanism seat (1) are provided with sliding grooves corresponding to the slide (10).

3. The conveniently adjustable box supporting mechanism according to claim 1, wherein, The mechanism base (1) is rotatably connected to the left and right sides. The rotating rod (12) is located inside the lifting cylinder (11). The slide (10) has circular through slots on both the left and right sides corresponding to the rotating rod (12).

4. The conveniently adjustable box supporting mechanism according to claim 3, wherein, Both rotating rods (12) have a spur gear (13) fixed at their lower ends, and both adjusting seats (2) have a tooth groove on the outer side of their center that meshes with the corresponding spur gear (13).

5. The conveniently adjustable box supporting mechanism according to claim 3, wherein, Both of the rotating rods (12) are fixed with spur gears (7) at their upper ends. The two spur gears (7) are located on the upper side of the mechanism seat (1) and mesh with each other.

6. The conveniently adjustable box supporting mechanism according to claim 5, wherein, Each of the spur gears (7) is fixed with a stud (8) on the upper side of the center. A knob is fixed on the upper end of the stud (8). A positioning sleeve (9) is threaded onto the stud (8) and closely attached to the surface of the mechanism seat (1).

7. The conveniently adjustable box supporting mechanism according to claim 1, wherein, The upper side of the inner end of the slider (14) is fixed with a stud (16), and the surface of the slide (3) is provided with a slot (18) corresponding to the stud (16). The stud (16) is threaded with a positioning sleeve (17) that is close to the surface of the adjusting seat (2).