Paper bag bending mechanism of bag making machine
By setting limit devices and precision control mechanisms on the bag making machine, the problem of inconsistent paper bag bending is solved, achieving high-precision bending and improved aesthetics of paper bags, and adapting to the needs of paper bags of different sizes.
Patent Information
- Application Number
- CN202520419494.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-11
- Publication Date
- 2026-01-20
- Estimated Expiration
- 2035-03-11
AI Technical Summary
The existing paper bag bending mechanism of the bag making machine is not good in terms of precision, resulting in inconsistent bending angles and dimensions of the paper bags, which affects the appearance and quality of the paper bags.
The system employs a limiting device and a precise control mechanism, including the cooperation of a pressure plate, a two-way lead screw, a slider, and a limiting rod, to ensure the accurate positioning of the paper bag during conveying and bending. The position of the bending plate can be adjusted by a knob to accommodate the needs of paper bags of different sizes.
It improves the precision and consistency of paper bag bending, enhances the aesthetics and product quality of paper bags, and also increases the versatility of the mechanism.
Smart Images

Figure CN223812387U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application relates to the technical field of paper bag folding, and in particular to a paper bag folding mechanism of a paper bag making machine. BACKGROUND
[0002] In the paper bag making industry, the paper bag folding process of a paper bag making machine is a key link for determining the final forming quality of the paper bag. With the rapid development of the packaging industry, the market demand for paper bags is increasing, and higher requirements are put forward for the quality and production efficiency of the paper bags. The existing folding mechanism performs poorly in folding precision. Due to the lack of accurate positioning and control devices, it is difficult to ensure the consistency of the folding angle and size of each paper bag when the paper bag is folded. Such differences in precision will cause the paper bags to be uneven in appearance, affecting the overall aesthetic of the product. CONTENT OF THE UTILITY MODEL
[0003] In order to solve the problems raised in the background art, the application provides a paper bag folding mechanism of a paper bag making machine.
[0004] The paper bag folding mechanism of the paper bag making machine provided by the application adopts the following technical scheme:
[0005] The paper bag folding mechanism of the paper bag making machine comprises a processing table, a movable groove is formed through the upper surface of the processing table, a plurality of conveying rollers for conveying paper bags are rotatably installed at equal intervals in the inside of the movable groove, a driving mechanism for driving the conveying rollers to rotate is arranged on the processing table, the upper surface of the processing table is fixedly connected with two connecting frames in a symmetrical manner, two connecting rods are fixedly connected with the inside of each of the two connecting frames, a pressing plate for limiting the paper bag is fixedly connected with the bottom ends of the two connecting rods in a corresponding manner, a fixed plate is arranged at the bottom of the processing table, a sliding groove is formed in the middle of the upper surface of the fixed plate, two sliding blocks are slidably installed in the inside of the sliding groove, a fixed rod is fixedly connected with the side of each of the two sliding blocks which is opposite to the other, a folding plate for folding the paper bag is fixedly connected with one end of the fixed rod, the folding plate is located above the conveying rollers, one side of the folding plate is composed of an inclined surface and a vertical surface, and an adjusting assembly for driving the sliding blocks to move is arranged on the fixed plate.
[0006] Preferably, the driving mechanism comprises a driving motor and a transmission box, one side of the processing table is fixedly connected with the driving motor, the output end of the driving motor is fixedly connected with one end of one of the conveying rollers, the other side of the processing table is fixedly connected with the transmission box, the adjacent two conveying rollers are drivingly connected through a synchronous wheel and a synchronous belt, and the synchronous belt and the synchronous wheel are arranged in the transmission box.
[0007] Preferably, the lower surface of the processing table is fixedly connected with supporting legs at four corners, connecting plates are fixedly connected between the adjacent two supporting legs, and the fixed plate is fixedly installed between the two connecting plates.
[0008] Preferably, the adjusting assembly comprises a bidirectional screw rod, the bidirectional screw rod is rotatably installed in the inner part of the sliding groove, the bidirectional screw rod penetrates the sliding block and is threadedly connected with the sliding block, and one end of the bidirectional screw rod penetrates the side wall of the fixed plate and is fixedly connected with a knob.
[0009] Preferably, the inner part of the sliding groove is fixedly connected with a limiting rod, the limiting rod penetrates the sliding block and is slidably connected with the sliding block.
[0010] To sum up, the application has the following beneficial technical effects:
[0011] Compared with the prior art, the paper bag is limited by the pressing plate, the deviation of the paper bag in the conveying process is avoided, the accuracy of the position of the paper bag when entering the bending area is ensured, meanwhile, the position of the bending plate can be accurately controlled by cooperation of the bidirectional screw rod, the sliding block and the limiting rod, the angle and size of each bending are more consistent, the problem of uneven appearance of the paper bag is effectively solved, the overall appearance and product quality of the paper bag are improved, the position of the bending plate can be adjusted by rotating the knob, the bending demand of the paper bag of different sizes can be met, and the universality of the mechanism is improved. BRIEF DESCRIPTION OF DRAWINGS
[0012] Fig. 1 is a three-dimensional structure schematic view of the embodiment of the application;
[0013] Fig. 2 is a structure schematic view of another view of the embodiment of the application;
[0014] Fig. 3 is a structure schematic view of the adjusting assembly of the embodiment of the application.
[0015] The reference signs are as follows: 1, processing table; 2, pressing plate; 3, connecting rod; 4, connecting frame; 5, bending plate; 6, conveying roller; 7, supporting leg; 8, connecting plate; 9, driving motor; 10, fixed plate; 11, knob; 12, fixed rod; 13, transmission box; 14, sliding block; 15, limiting rod; 16, sliding groove; 17, bidirectional screw rod. DETAILED DESCRIPTION
[0016] The following will be described in detail in combination with the accompanying drawings Figs. 1-3 The application will be further described in detail.
[0017] The embodiment of the application discloses a paper bag bending mechanism of a bag making machine. Referring to Figs. 1-3The utility model discloses a paper bag bending mechanism of paper bag making machine, including processing table 1, the upper surface of processing table 1 is set through the movable slot, a plurality of conveying rollers 6 for conveying paper bag are rotatably installed in the movable slot at equal intervals, the processing table 1 is provided with the drive mechanism for driving the rotation of conveying roller 6, the drive mechanism includes drive motor 9 and transmission box 13, drive motor 9 is fixedly connected with one side of processing table 1, the output end of drive motor 9 is fixedly connected with one end of one of conveying roller 6, transmission box 13 is fixedly connected with the other side of processing table 1, adjacent two conveying rollers 6 are drivenly connected through synchronous wheel (not shown in the drawing) and synchronous belt (not shown in the drawing), and the synchronous belt and the synchronous wheel are arranged in transmission box 13, the upper surface of processing table 1 is fixedly connected with the connecting frame 4 in symmetry, the inside of two connecting frames 4 is fixedly connected with two connecting rods 3, and the bottom of corresponding two connecting rods 3 is fixedly connected with the pressing plate 2 for limiting paper bag, and the bottom of processing table 1 is provided with fixed plate 10, and the four corners of the lower surface of processing table 1 are fixedly connected with support leg 7, and adjacent two support legs 7 are fixedly connected with connecting plate 8, and fixed plate 10 is fixedly installed between two connecting plates 8, the middle portion of the upper surface of fixed plate 10 is provided with sliding slot 16, two sliding blocks 14 are slidably installed in the inside of sliding slot 16, and the side opposite to the two sliding blocks 14 is fixedly connected with fixed rod 12, and one end of fixed rod 12 is fixedly connected with the bending plate 5 for bending paper bag, and the bending plate 5 is located above conveying roller 6, and the side of bending plate 5 is composed of inclined plane and vertical plane, and the fixed plate 10 is provided with the adjusting assembly for driving sliding block 14 to move, and the adjusting assembly includes two-way screw rod 17, and two-way screw rod 17 is rotatably installed in the inside of sliding slot 16, and two-way screw rod 17 is screwed after penetrating sliding block 14, and the end of two-way screw rod 17 is fixedly connected with knob 11 after penetrating the side wall of fixed plate 10, and the inside of sliding slot 16 is fixedly connected with limiting rod 15, and limiting rod 15 is slidably connected after penetrating sliding block 14.
[0018] The implementation principle of the paper bag folding mechanism of the bag making machine is as follows: the electrical elements appearing in the application are externally connected to a power supply and a control switch during use. During use, the driving motor 9 is started, and the output end of the driving motor 9 drives one of the conveying rollers 6 connected thereto to rotate. Since the two adjacent conveying rollers 6 are drivingly connected in the transmission box 13 through a synchronous wheel and a synchronous belt, the rotation of one conveying roller 6 drives the other conveying rollers 6 to rotate synchronously, so that the conveying rollers 6 start to convey the paper bag placed on the processing table 1. During the conveying of the paper bag, the pressing plate 2 limits the paper bag to prevent the paper bag from deviating during the conveying process, so as to ensure that the paper bag can move stably along the rotation direction of the conveying rollers 6. When it is necessary to fold the paper bag, the knob 11 on the fixed plate 10 is rotated according to the size and folding requirements of the paper bag. The knob 11 drives the bidirectional screw rod 17 to rotate, and the two sliding blocks 14 move away from or towards each other in the sliding groove 16 when the bidirectional screw rod 17 rotates. The movement of the sliding blocks 14 drives the folding plate 5 to move. When the folding plate 5 moves to the appropriate position along with the sliding blocks 14, the paper bag will contact the inclined surface of the folding plate 5 along with the conveying of the paper bag. Under the continuous pushing of the conveying rollers 6, the paper bag moves upward along the inclined surface until it contacts the vertical surface. At this time, the paper bag will be folded under the action of the inclined surface and the vertical surface. The limiting rod 15 limits the movement direction of the sliding blocks 14 to ensure that the sliding blocks 14 can move stably along the direction of the sliding groove 16. In this process, the pressing plate 2 is arranged to limit the paper bag to avoid deviation of the paper bag during the conveying process, so as to ensure the accuracy of the position of the paper bag when entering the folding area. At the same time, the cooperation of the bidirectional screw rod 17, the sliding blocks 14 and the limiting rod 15 can accurately control the position of the folding plate 5, so that the angle and size of each folding are more consistent, effectively solving the problem of uneven appearance of the paper bag, improving the overall appearance and product quality of the paper bag. By rotating the knob 11 to adjust the position of the folding plate 5, the folding requirements of paper bags of different sizes can be met, and the versatility of the mechanism is improved.
[0019] Finally, it should be pointed out that: first of all, in the description of the application, it should be pointed out that unless otherwise specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, which can be mechanical connection or electrical connection, or the internal communication of two elements, or direct connection, "up", "down", "left", "right" and the like are only used to indicate the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may change;
[0020] Secondly: the utility model discloses the embodiment in the drawing, only relate to the structure involved in the embodiment of the present disclosure, other structures can refer to the usual design, in the case where there is no conflict, the same embodiment and different embodiments of the utility model can be combined with each other;
[0021] Finally: the above only for the preferred embodiments of the present application have, and not for limiting the present application, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the scope of protection of the present application.
[0022] The above are the preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application, therefore: any equivalent changes made in accordance with the structure, shape, principle of the present application, should be covered within the scope of protection of the present application.
Claims
1. A paper bag folding mechanism of a bag making machine, characterized by: The utility model relates to a paper bag processing device, including processing platform (1), the upper surface of processing platform (1) is equipped with movable groove, the inside of movable groove is equipped with a plurality of conveying roller (6) for conveying paper bag and rotates the drive mechanism for driving conveying roller (6) rotation is provided on processing platform (1), the upper surface of processing platform (1) is fixedly connected with the connecting frame (4) of symmetry, the inside of two connecting frame (4) is fixedly connected with two connecting rods (3), and the bottom of corresponding two connecting rods (3) is fixedly connected with the pressing plate (2) for limiting paper bag, and the bottom of processing platform (1) is provided with fixed plate (10), the middle part of fixed plate (10) upper surface is equipped with sliding slot (16), the inside of sliding slot (16) is slidably installed with two sliding blocks (14), and the side opposite to two sliding blocks (14) is fixedly connected with fixed rod (12), and one end of fixed rod (12) is fixedly connected with the bending plate (5) for bending paper bag, and the bending plate (5) is located above conveying roller (6), and the side of bending plate (5) is composed of inclined plane and vertical plane, and the fixed plate (10) is provided with the adjusting assembly for driving sliding block (14) movement.
2. The bag machine paper bag folding mechanism according to claim 1, characterized by: The drive mechanism includes a drive motor (9) and a transmission box (13), the drive motor (9) is fixedly connected with one side of the processing platform (1), the output end of the drive motor (9) is fixedly connected with one end of one of the conveying roller (6), the transmission box (13) is fixedly connected with the other side of the processing platform (1), and the adjacent two conveying rollers (6) are connected through synchronous wheel and synchronous belt transmission, and the synchronous belt and the synchronous wheel are arranged in the transmission box (13).
3. The paper bag folding mechanism of the bag making machine according to claim 1, characterized in that: The lower surface of the processing platform (1) is fixedly connected with supporting legs (7) on four corners, and connecting plates (8) are fixedly connected between the adjacent two supporting legs (7), and the fixed plate (10) is fixedly installed between the two connecting plates (8).
4. The bag machine gusset folding mechanism of claim 1 wherein: The adjusting assembly includes a bidirectional screw rod (17), the bidirectional screw rod (17) is rotatably installed in the sliding slot (16), the bidirectional screw rod (17) is screwed through the sliding block (14) and is connected with the sliding block (14), and one end of the bidirectional screw rod (17) is fixedly connected with a knob (11) after penetrating the side wall of the fixed plate (10).
5. The bag and carton folding mechanism of claim 1, wherein: The inside of the sliding slot (16) is fixedly connected with a limiting rod (15), and the limiting rod (15) is slidably connected with the sliding block (14) after penetrating the sliding block (14).