A paper bag production is with the adjustable multi-roller paper feeding mechanism of tension

Abstract

The utility model relates to paper bag production technical field discloses a kind of paper bag production with tension adjustable multi-roller paper feeding mechanism, including support platform, the right side fixed connection of the top of support platform is equipped with support, the outside top end middle part of support platform is equipped with adjusting mechanism, the adjusting mechanism is used to adjust tension, the left side middle part of support platform is equipped with limiting mechanism, the limiting mechanism is used to guide paper bag movement, the adjusting mechanism includes fixed plate one, multiple the fixed plate one is respectively installed in the inside front and rear end middle part of support, the front and rear end middle part of fixed plate one is rotatably connected with roller one. In the utility model, its rotation can make fixed plate synchronous movement, paper bag is placed between two rollers, the tension of paper bag can be adjusted by moving roller, the guide rod on both sides provides accurate guidance for roller movement, and different characteristics paper bag can be adapted to tension adjustment.

Description

Technical Field

[0001] This utility model relates to the field of paper bag production technology, and in particular to a multi-roller paper feeding mechanism with adjustable tension for paper bag production. Background Technology

[0002] In the paper bag production process, the multi-roller paper feeding mechanism is the core equipment connecting the unwinding of the base paper and the subsequent forming process. It needs to achieve continuous and stable feeding of the base paper and adjust the tension according to the physical characteristics of the kraft paper and composite paper base paper to ensure the forming accuracy of the paper bag. At present, paper bag production is developing towards lightweight and high strength, which puts forward higher requirements on the tension adaptability and feeding stability of the paper feeding mechanism, while also taking into account the equipment operating efficiency and product qualification rate.

[0003] Existing technologies suffer from insufficient tension adjustment precision during use, often employing single-spring or single-screw adjustment structures. These structures only provide tension control at a single level, failing to adapt to different paper thicknesses and easily leading to thin paper breakage and thick paper wrinkling. Current technologies incorporate a combination of a single pressure sensor and a manual adjustment screw. The pressure sensor collects tension data during paper feeding and feeds it back to the operator in numerical form. The operator then manually adjusts the tension by rotating the adjustment screw based on the feedback value. However, a single pressure sensor can only collect localized tension data, failing to comprehensively reflect the tension distribution along the entire paper feeding path. Furthermore, the data feedback is often delayed, preventing real-time coordination with the manual adjustment screw. Operators must first read the delayed data from the sensor, then rely on their experience to determine the adjustment direction and magnitude before manually rotating the screw. This process involves a significant time lag and cannot accurately adapt to the characteristics of different paper types. Utility Model Content

[0004] To overcome the above shortcomings, this utility model provides a multi-roller paper feeding mechanism with adjustable tension for paper bag production. It aims to improve the existing technology where a single pressure sensor can only collect local tension data, which cannot fully reflect the tension distribution along the entire paper feeding path. Furthermore, the data feedback is often delayed, and it cannot form a real-time coordinated linkage mechanism with the manual adjustment screw. Operators need to first read the delayed data fed back by the sensor, and then judge the adjustment direction and magnitude based on their own experience, and manually rotate the screw to make adjustments. The whole process has a significant time difference and cannot accurately adapt to the characteristics of different base papers.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a multi-roller paper feeding mechanism with adjustable tension for paper bag production, comprising a support platform, a bracket fixedly connected to the top right side of the support platform, an adjustment mechanism installed at the middle of the top outer side of the support platform for adjusting the tension, a limiting mechanism installed at the middle left side of the support platform for guiding the movement of the paper bag, the adjustment mechanism comprising a first fixing plate, multiple first fixing plates respectively installed at the upper middle of the front and rear ends of the inner side of the bracket, a first roller rotatably connected to the middle of the front and rear ends of the first fixing plate, multiple sliders fixedly connected at equal intervals on the left and right sides inside the first fixing plate, a second fixing plate installed at the lower middle of the front and rear ends of the inner side of the bracket, the second fixing plate being fixedly connected to the sliders, a second roller rotatably connected to the middle of the front and rear ends of the second fixing plate, and a drive assembly installed at the top of the bracket.

[0006] As a further description of the above technical solution: The drive assembly includes a dual-head motor, which is fixedly connected to the top center of the bracket. The output end of the dual-head motor is fixedly connected to a drive shaft. Both the front and rear ends of the drive shaft are fixedly connected to bevel gears. The bottom front and rear sides of bevel gears are meshed with bevel gears. The lower center of bevel gears is fixedly connected to a threaded rod. The threaded rod is threadedly connected to a fixed plate and to a fixed plate. Guide rods are fixedly connected to the corners of the inner top wall of the bracket. The end of the threaded rod is rotatably connected to a base plate.

[0007] As a further description of the above technical solution: The limiting mechanism includes support blocks, and multiple support blocks are slidably connected to the front and rear sides of the top of the support platform. A baffle is fixedly connected to the top of the support block, and a sliding rod is fixedly connected to the bottom left side of the support platform. The support block is slidably connected to the sliding rod, and the baffle is slidably connected to the support platform. An actuation component is installed on the top left side of the support platform.

[0008] As a further description of the above technical solution: The execution component includes a second motor, which is installed on the front left side of the support platform. A third gear is fixedly connected to the output end of the second motor, a fourth gear is meshed with the top of the third gear, a threaded rod is fixedly connected to the middle of the rear end of the fourth gear, and a base is fixedly connected to the bottom of the second motor.

[0009] As a further description of the above technical solution: The support platform is fixedly connected to the front and rear ends of the top left side, and the support plate is rotatably connected to the front and rear ends of the top.

[0010] As a further description of the above technical solution: The slider is slidably connected to the guide rod, the first fixing plate is slidably connected to the guide rod, and the second fixing plate is slidably connected to the guide rod.

[0011] As a further description of the above technical solution: The base plate is fixedly connected to the support platform, the threaded rod is rotatably connected to the bracket, and the guide rod is fixedly connected to the support platform.

[0012] As a further description of the above technical solution: The threaded rod 2 is threadedly connected to the support block, and the threaded rod 2 is rotatably connected to the sliding rod.

[0013] This utility model has the following beneficial effects: 1. In this utility model, when the dual-head motor is started, the transmission shaft rotates, driving the first bevel gear to rotate. The first bevel gear meshes with the second bevel gear, driving the second bevel gear to rotate, which in turn drives the first threaded rod to rotate. Its rotation can cause the fixed plate to move synchronously, placing the paper bag between the two rollers. The tension of the paper bag can be adjusted by moving the rollers. The guide rods on both sides provide precise guidance for the movement of the rollers, which can be adapted to paper bags with different characteristics for tension adjustment.

[0014] 2. In this utility model, the starting motor 2, the gear 3 rotates and drives the gear 4 to rotate, which in turn drives the threaded rod 2 to rotate. The threads of the threaded rod 2 are arranged in opposite directions. Rotation can move the support block towards the center. The sliding rod provides accurate guidance for the movement of the support block. By adjusting the threaded rod 2, the distance between the baffle and the edge of the paper bag can be changed, ensuring that paper bags of different widths are always centered when feeding paper, avoiding damage to the edge of the paper bag from collision with the equipment, and ensuring the stability of the paper feeding process. Attached Figure Description

[0015] Figure 1 This is a front view of a multi-roller paper feeding mechanism with adjustable tension for paper bag production proposed in this utility model. Figure 2 This is a perspective view of a multi-roller paper feeding mechanism with adjustable tension for paper bag production proposed in this utility model. Figure 3 This is a partial structural exploded view of a multi-roller paper feeding mechanism with adjustable tension for paper bag production proposed in this utility model. Figure 4 This utility model presents an illustration of the adjustment structure of a multi-roller paper feeding mechanism with adjustable tension for paper bag production. Figure 5 This is a split view of the limiting mechanism of a multi-roller paper feeding mechanism with adjustable tension for paper bag production proposed in this utility model.

[0016] Legend: 1. Support platform; 2. Adjustment mechanism; 201. Fixed plate one; 202. Roller one; 203. Slider; 204. Fixed plate two; 205. Roller two; 206. Drive assembly; 2061. Dual-head motor one; 2062. Drive shaft; 2063. Bevel gear one; 2064. Bevel gear two; 2065. Threaded rod one; 2066. Guide rod; 2067. Base plate; 3. Limiting mechanism; 301. Support block; 302. Baffle; 303. Sliding rod; 304. Actuation assembly; 3041. Motor two; 3042. Base; 3043. Threaded rod two; 3044. Gear three; 3045. Gear four; 4. Support plate; 5. Roller three; 6. Bracket. Detailed Implementation

[0017] 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.

[0018] Reference Figure 1 , Figure 3 and Figure 4This utility model provides an embodiment of a multi-roller paper feeding mechanism with adjustable tension for paper bag production. It includes a support platform 1, a bracket 6 fixedly connected to the top right side of the support platform 1, an adjustment mechanism 2 installed at the middle of the outer top of the support platform 1 for adjusting tension, and a limiting mechanism 3 installed at the middle of the left side of the support platform 1 for guiding the movement of the paper bag. The adjustment mechanism 2 includes a first fixing plate 201, multiple first fixing plates 201 respectively installed on the upper middle of the front and rear ends of the bracket 6, rollers 202 rotatably connected to the middle of the front and rear ends of each first fixing plate 201, multiple sliders 203 equidistantly fixedly connected to the left and right sides inside the first fixing plate 201, and second fixing plates 204 fixedly installed on the lower middle of the front and rear ends of the bracket 6, fixed to the sliders 203, with rollers 205 rotatably connected to the middle of the front and rear ends of each second fixing plate 204. A drive assembly 206 is installed on the top of the bracket 6. 206 includes a dual-head motor 2061, model Z4-112 / 2-2. The dual-head motor 2061 is rigidly connected to the rotor via output shafts at both ends, rotating synchronously with the rotor. Ultimately, torque and speed are simultaneously output from both sides of the motor, achieving "one drive, two uses." The dual-head motor 2061 is fixedly connected to the top center of the bracket 6. A drive shaft 2062 is fixedly connected to the output end of the dual-head motor 2061. Both the front and rear ends of the drive shaft 2062 are fixedly connected to... There is a bevel gear 2063. The bottom of the front and rear sides of the bevel gear 2063 are meshed with bevel gear 2064. The lower middle part of the bevel gear 2064 is fixedly connected to threaded rod 2065. Threaded rod 2065 is threadedly connected to fixed plate 201 and threadedly connected to fixed plate 204. Guide rods 2066 are fixedly connected to the corners of the inner top wall of the bracket 6. The end of threaded rod 2065 is rotatably connected to base plate 2067. Specifically, starting the dual-head motor 2061 drives the drive shaft 2062 to rotate. The rotation of the drive shaft 2062 synchronously drives the bevel gear 2063 to rotate. Since bevel gear 2063 meshes with bevel gear 2064, the rotation of bevel gear 2063 drives bevel gear 2064 to rotate, ultimately driving the threaded rod 2065 to rotate. During the rotation of threaded rod 2065, the fixed plate 201 and fixed plate 204 move synchronously, placing the paper bag between rollers 202 and 205. The paper bag is then moved by the movement of the fixed plate 201 and fixed plate 204. 04 drives roller 1 202 and roller 2 205 to move up and down, which can adjust the tension force on the paper bag to adapt to the processing requirements of different paper bags. At the same time, the guide rods 2066 on both sides provide accurate guidance for the movement of roller 1 202 and roller 2 205, preventing them from shifting positions during movement. Fixed plate 1 201 and fixed plate 204 are fixedly connected to slider 203 respectively. Slider 203 slides inside guide rod 2066, further enhancing the stability of fixed plate 1 201 and fixed plate 204 during movement and ensuring the accuracy of tension adjustment operation.

[0019] Reference Figure 1 , Figure 2 and Figure 5 The limiting mechanism 3 includes support blocks 301, with multiple support blocks 301 slidably connected to the front and rear sides of the top of the support platform 1. A baffle 302 is fixedly connected to the top of the support blocks 301, and a sliding rod 303 is fixedly connected to the bottom left side of the support platform 1. The support blocks 301 and the sliding rod 303 are slidably connected, and the baffle 302 is slidably connected to the support platform 1. An actuation component 304 is installed on the top left side of the support platform 1. The actuation component 304 includes a second motor 3041, which is model GV28-0.75KW-10S and is powered by an AC frequency converter. The motor is combined with a planetary reducer. The speed is adjusted by a frequency converter and the output torque is stable. Motor 2 3041 is installed on the front left side of the support platform 1. Gear 3 3044 is fixedly connected to the output end of motor 2 3041. Gear 4 3045 is meshed with the top of gear 3 3044. Threaded rod 2 3043 is fixedly connected to the middle of the rear end of gear 4 3045. Base 3042 is fixedly connected to the bottom of motor 2 3041. Threaded rod 2 3043 is threadedly connected to support block 301. Threaded rod 2 3043 is rotatably connected to sliding rod 303. Specifically, starting motor 2 3041 causes gear 3 3044 to rotate. When gear 3 3044 rotates, it synchronously drives gear 4 3045 to rotate, which in turn drives threaded rod 2 3043 to rotate. The threads of threaded rod 2 3043 are arranged in opposite directions. Its rotation can cause support block 301 to move towards the center. During this process, sliding rod 303 provides accurate guidance for the movement of support block 301, ensuring that support block 301 moves smoothly along a preset trajectory. When support block 301 moves, it will drive baffle 302 to move synchronously. By adjusting the rotation direction and angle of threaded rod 2 3043, the distance between baffle 302 and the edge of paper bag can be changed, which can adapt to paper bags of different widths and ensure that all kinds of paper bags remain centered during the paper feeding process, avoiding collision between the edge of paper bag and other parts of the equipment.

[0020] Reference Figure 1 , Figure 2 and Figure 3 Support plate 4 is fixedly connected to the front and rear ends of the top left side of support platform 1. Roller 3 5 is rotatably connected to the front and rear ends of the top of support plate 4. Slider 203 is slidably connected to guide rod 2066. Fixed plate 1 201 is slidably connected to guide rod 2066. Fixed plate 204 is slidably connected to guide rod 2066. Base plate 2067 is fixedly connected to support platform 1. Threaded rod 1 2065 is rotatably connected to bracket 6. Guide rod 2066 is fixedly connected to support platform 1. Specifically, the support platform 1 is equipped with a support plate 4 at the front and rear ends of the top left side, and the support plate 4 is equipped with rollers 5 at the front and rear ends of the top. The slider 203 slides in the guide rod 2066 to prevent displacement during movement. The first fixed plate 201 and the second fixed plate 204 are both matched with the guide rod 2066 to provide support and accurate guidance for the movement of the fixed plate. The threaded rod 2065 is connected to the bracket 6 to ensure stable rotation of the threaded rod 2065.

[0021] Working principle: Starting the dual-head motor 2061 drives the transmission shaft 2062 to rotate, which in turn drives the bevel gear 2063 to rotate. The bevel gear 2063 meshes with the bevel gear 2064, allowing the bevel gear 2064 to rotate synchronously. Finally, the threaded rod 2065 rotates, which causes the fixed plate 201 and the fixed plate 204 to move synchronously. The paper bag is placed between the roller 202 and the roller 205. The tension of the paper bag can be adjusted by moving the rollers up and down. The guide rods 2066 on both sides provide accurate guidance for the movement of the rollers to prevent deviation. The fixed plate is fixed to the slider 203, which slides within the guide rods 2066 to enhance its movement stability. Start motor 2 3041, which drives gear 3 3044 to rotate. Its rotation synchronously drives gear 4 3045 to rotate, which in turn drives threaded rod 2 3043 to rotate. The screws on threaded rod 2 3043 are reversed. Rotation can move support block 301 to the center. Slide rod 303 provides accurate displacement for support block 301. The distance between baffle 302 and the edge of paper bag can be adjusted by adjusting threaded rod 2 3043 to ensure that paper bags of different widths always remain centered during paper feeding and to prevent the edges of the paper from colliding with the equipment and causing damage.

[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 multi-roller paper feeding mechanism with adjustable tension for paper bag production, comprising a support platform (1), characterized in that: A bracket (6) is fixedly connected to the top right side of the support platform (1). An adjustment mechanism (2) is installed at the middle of the top outer side of the support platform (1). The adjustment mechanism (2) is used to adjust the tension. A limiting mechanism (3) is installed at the middle left side of the support platform (1). The limiting mechanism (3) is used to guide the movement of the paper bag. The adjustment mechanism (2) includes a first fixed plate (201), and multiple first fixed plates (201) are respectively installed on the upper middle part of the front and rear ends of the bracket (6). Rollers (202) are rotatably connected to the middle of the front and rear ends of the first fixed plate (201). Multiple sliders (203) are fixedly connected at equal intervals on the left and right sides inside the first fixed plate (201). Second fixed plates (204) are installed on the lower middle part of the front and rear ends of the bracket (6). The second fixed plate (204) is fixedly connected to the sliders (203). Rollers (205) are rotatably connected to the middle of the front and rear ends of the second fixed plate (204). A drive assembly (206) is installed on the top of the bracket (6).

2. The multi-roller paper feeding mechanism with adjustable tension for paper bag production according to claim 1, characterized in that: The drive assembly (206) includes a dual-head motor (2061), which is fixedly connected to the top center of the bracket (6). The output end of the dual-head motor (2061) is fixedly connected to a drive shaft (2062). The front and rear ends of the drive shaft (2062) are fixedly connected to bevel gears (2063). The bottom of the front and rear sides of the bevel gears (2063) are meshed with bevel gears (2064). The lower center of the bevel gears (2064) is fixedly connected to a threaded rod (2065). The threaded rod (2065) is threadedly connected to the fixing plate (201) and the fixing plate (204). The corners of the inner top wall of the bracket (6) are fixedly connected to guide rods (2066). The end of the threaded rod (2065) is rotatably connected to a base plate (2067).

3. The multi-roller paper feeding mechanism with adjustable tension for paper bag production according to claim 1, characterized in that: The limiting mechanism (3) includes a support block (301), and multiple support blocks (301) are slidably connected to the front and rear sides of the top of the support platform (1). A baffle (302) is fixedly connected to the top of the support block (301), and a sliding rod (303) is fixedly connected to the bottom left side of the support platform (1). The support block (301) is slidably connected to the sliding rod (303), and the baffle (302) is slidably connected to the support platform (1). An execution component (304) is installed on the top left side of the support platform (1).

4. The multi-roller paper feeding mechanism with adjustable tension for paper bag production according to claim 3, characterized in that: The execution component (304) includes a second motor (3041), which is installed on the left front end of the support platform (1). The output end of the second motor (3041) is fixedly connected to a third gear (3044), and the top of the third gear (3044) is meshed with a fourth gear (3045). The rear end of the fourth gear (3045) is fixedly connected to a threaded rod (3043), and the bottom of the second motor (3041) is fixedly connected to a base (3042).

5. A multi-roller paper feeding mechanism with adjustable tension for paper bag production according to claim 1, characterized in that: The support platform (1) has a support plate (4) fixedly connected to the front and rear ends of the top left side, and the support plate (4) has a roller (5) rotatably connected to the front and rear ends of the top.

6. The multi-roller paper feeding mechanism with adjustable tension for paper bag production according to claim 2, characterized in that: The slider (203) is slidably connected to the guide rod (2066), the first fixing plate (201) is slidably connected to the guide rod (2066), and the second fixing plate (204) is slidably connected to the guide rod (2066).

7. A multi-roller paper feeding mechanism with adjustable tension for paper bag production according to claim 2, characterized in that: The base plate (2067) is fixedly connected to the support platform (1), the threaded rod (2065) is rotatably connected to the bracket (6), and the guide rod (2066) is fixedly connected to the support platform (1).

8. A multi-roller paper feeding mechanism with adjustable tension for paper bag production according to claim 4, characterized in that: The threaded rod 2 (3043) is threadedly connected to the support block (301), and the threaded rod 2 (3043) is rotatably connected to the sliding rod (303).

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