Breaking point-line processing mechanism for point-breaking type freshness protection package

Abstract

The utility model relates to the field of freshness protection package processing, in particular to a breakpoint line processing mechanism of a point breaking type freshness protection package, which comprises a frame body, a sliding rail is fixedly connected on the inner wall of the frame body, a sliding rod is fixedly connected in the sliding rail, a sliding block is connected in the sliding rail in a sliding mode, the sliding block is sleeved with the sliding rod, a spring is connected above the sliding block in an attached mode, and the spring is connected with the sliding rod in a sliding mode. The rolling wheel I and the rolling wheel II can be attached through the spring, the edge of a freshness protection package material is extruded, heated, fused and sealed, the extrusion plate and the bearing plate extrude to seal the material and carry out breakpoint treatment, the rotating speed of the winding shaft can be changed through the speed-changing gear box, and the rolling wheel I and the rolling wheel II can be driven to rotate through the speed-changing gear box. The conveying speed of the material is adjusted by changing the rolling speed, but the sealing and edge sealing speeds are not changed, so that the position of the closing position is changed, the size of a finished product of the freshness protection package is changed, and the size of the produced freshness protection package is adjusted according to production requirements.

Description

Technical Field

[0001] The utility model relates to the field of fresh-keeping bag processing, in particular to a breakpoint line processing mechanism for a point-break type fresh-keeping bag. Background Art

[0002] Fresh-keeping bags, mainly made of food preservative film, are mainly used to preserve vegetables, fruits, grains, cooked food and other foods. They are widely used in daily life. Fresh-keeping bags are divided into polyethylene, polyvinyl chloride, polyvinylidene chloride and other types according to the material they are made of.

[0003] After searching, a utility model patent with the publication number CN219806523U was found, which specifically discloses a breakpoint line processing mechanism for point-break fresh-keeping bags, including a frame, a fresh-keeping bag delivery unit, a breakpoint line processing unit, and a fresh-keeping bag traction unit. The fresh-keeping bag delivery unit, the breakpoint line processing unit, and the fresh-keeping bag traction unit are respectively installed on the frame, and the fresh-keeping bag delivery unit, the breakpoint line processing unit, and the fresh-keeping bag traction unit are distributed in sequence along the direction of fresh-keeping bag transportation; the breakpoint line processing unit includes a drive device, two rotating shafts, two gears, and two heat-sealing cutters; during sealing and cutting, the blades of the two heat-sealing cutters are against each other, rolling contact, and the breakpoints of the point-break fresh-keeping bags located between the blades of the two heat-sealing cutters are manufactured and heat-sealed. Since the breakpoint line processing unit of the utility model adopts the rolling contact method of two heat-sealing cutters, it can breakpoint cut and heat-seal the continuously transported fresh-keeping bags. Therefore, the transportation of the fresh-keeping bags during the processing is continuous, which can greatly improve work efficiency and ensure good and stable quality of the breakpoints.

[0004] In actual use, the above patent uses two heat-sealing cutters to perform point-by-point heat sealing and continuous transportation to ensure the processing efficiency of the equipment. However, due to different production needs, the fresh-keeping bags are large and small. When producing fresh-keeping bags of different sizes, the above patent cannot adjust the size of the produced fresh-keeping bags according to production needs.

[0005] Therefore, it is necessary to invent a breakpoint line processing mechanism for a point-break fresh-keeping bag to solve the above problems. Utility Model Content

[0006] The purpose of the utility model is to provide a breakpoint line processing mechanism for a breakpoint type fresh-keeping bag, which can adjust the conveying speed by adjusting the gear transmission, so as to solve the problem that the size of the fresh-keeping bags produced in the prior art cannot be adjusted.

[0007] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a breakpoint line processing mechanism for a point-break fresh-keeping bag, comprising a frame, a slide rail fixedly connected to the inner wall of the frame, a slide rod fixedly connected inside the slide rail, a slider slidably connected inside the slide rail, the slider being sleeved on the slide rod, a spring being fitted on the top of the slider, and the spring being fitted on the top inside the slide rail.

[0008] Preferably, one side of the slider is fixedly connected to a connecting plate, one side of the connecting plate is rotatably connected to roller one, two groups of roller one are symmetrically arranged in the frame, roller two is fittedly connected below roller one, one side of roller two is fixedly connected to a connecting shaft, two groups of roller two are arranged on the same horizontal line in the frame, a conductive bearing is fixedly connected to the inner wall of the frame, the conductive bearing is plugged into the connecting shaft, one end of the connecting shaft is connected to a belt transmission structure, and the belt transmission structure is fixedly connected to the outside of the frame.

[0009] Preferably, an electric control box is fixedly connected to the bottom of the frame, the electric control box is connected to the conductive bearing harness, a connecting frame is connected above the connecting plate, a guide shaft frame is fixedly connected below the connecting frame, and the connection method between the guide shaft frame and the frame is the same as the connection method between roller 1 and the frame.

[0010] Preferably, an electric telescopic rod is fixedly connected to the upper part of the inner wall of the frame, an output end of the electric telescopic rod is connected to an extrusion plate, the extrusion plate is connected to the wiring harness of the electric control box, and a pin header is fixedly connected below the extrusion plate.

[0011] Preferably, a supporting plate is connected to the bottom of the inner wall of the frame, the supporting plate is connected to the wiring harness of the electric control box, and a row of holes is opened above the supporting plate, and the row of holes and the pin header are located at the same horizontal position.

[0012] Preferably, a through slot is provided on the inner wall of the frame, a winding shaft is connected through the through slot, a gear transmission output end is sleeved on one side of the winding shaft, a motor is connected to one side of the gear transmission, and the motor and the gear transmission are both installed on the outside of the frame.

[0013] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0014] 1. Through the arrangement of the frame, slide rails, slide rods, sliders, springs, connecting plates, roller one, roller two, connecting shafts, conductive bearings, belt drive structure, electric control box, connecting frame, guide shaft frame, electric telescopic rod, extrusion plate, pin row, load plate, row of holes, through slots, rewinding shaft, gear transmission and motor, the spring can make roller one and roller two fit together and extrude, heat and fuse the edge of the fresh-keeping bag material to seal the edge, and the extrusion plate and load plate are used to extrude the material to seal and perform breakpoint processing, and the gear transmission can change the rotation speed of the rewinding shaft, and the material conveying speed is adjusted by changing the rewinding speed, but the sealing and edge sealing speeds remain unchanged, so that the position of the closing point is changed, thereby changing the size of the finished fresh-keeping bag, and adjusting the size of the fresh-keeping bag produced according to production needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments described in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a side structural diagram of the present utility model;

[0018] Figure 3 This is a schematic diagram of the cross-sectional structure of the frame of the present utility model;

[0019] Figure 4 This is a schematic diagram of the connection structure of the frame of the present invention from a top view;

[0020] Figure 5 For the utility model Figure 1 Enlarged structural diagram at point A in the middle.

[0021] Description of reference numerals:

[0022] 1. Frame; 2. Slide rail; 3. Slide rod; 4. Slider; 5. Spring; 6. Connecting plate; 7. Roller 1; 8. Roller 2; 9. Connecting shaft; 10. Conductive bearing; 11. Belt drive structure; 12. Electric control box; 13. Connecting frame; 14. Guide shaft frame; 15. Electric telescopic rod; 16. Extrusion plate; 17. Pin header; 18. Loading plate; 19. Hole row; 20. Through slot; 21. Winding shaft; 22. Gear box; 23. Motor. DETAILED DESCRIPTION

[0023] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.

[0024] The utility model provides Figure 1-5 The shown embodiment shows a breakpoint line processing mechanism for a point-break fresh-keeping bag, comprising a frame 1, a slide rail 2 fixedly connected to the inner wall of the frame 1, a slide rod 3 fixedly connected inside the slide rail 2, a slider 4 slidably connected inside the slide rail 2, the slider 4 being sleeved on the slide rod 3, a spring 5 being fitted on the top of the slider 4, the spring 5 being fitted on the top inside the slide rail 2, and the slider 4 being pushed to slide along the slide rod 3 inside the slide rail 2 by the spring 5.

[0025] like Figure 1 and Figure 5 As shown, one side of the slider 4 is fixedly connected to a connecting plate 6, and one side of the connecting plate 6 is rotatably connected to a roller 1 7. Two groups of rollers 1 7 are symmetrically arranged in the frame 1, and a roller 2 8 is fitted and connected below the roller 1 7. One side of the roller 2 8 is fixedly connected to a connecting shaft 9. Two groups of rollers 2 8 are arranged on the same horizontal line in the frame 1. A conductive bearing 10 is fixedly connected to the inner wall of the frame 1, and the conductive bearing 10 is plugged into the connecting shaft 9. One end of the connecting shaft 9 is connected to a belt transmission structure 11, and the belt transmission structure 11 is fixedly connected to the outside of the frame 1. The belt transmission structure 11 includes three groups of pulleys, one group of belts and a group of motors, one group of pulleys and the connecting shaft 9, one group of pulleys connected to another group of connecting shafts 9, and one group of pulleys and a group of motors. The three groups of pulleys are connected by a group of belts, and the belt transmission structure 11 can drive the roller 2 8 to rotate, and the fit between the roller 2 8 and the roller 1 7 can seal the edge of the fresh-keeping bag material.

[0026] like Figure 3 As shown, an electric control box 12 is fixedly connected to the bottom of the frame 1, and the electric control box 12 is connected to the wiring harness of the conductive bearing 10. A connecting frame 13 is connected above the connecting plate 6, and a guide shaft frame 14 is fixedly connected below the connecting frame 13. The connection method between the guide shaft frame 14 and the frame 1 is the same as the connection method between the roller 7 and the frame 1. The guide shaft frame 14 can keep the fresh-keeping bag material in a pressed and taut state during the transportation process.

[0027] like Figure 3 and 4 As shown, an electric telescopic rod 15 is fixedly connected to the upper inner wall of the frame 1, and an extrusion plate 16 is connected to the output end of the electric telescopic rod 15. The extrusion plate 16 is connected to the wiring harness of the electric control box 12, and a pin header 17 is fixedly connected to the lower part of the extrusion plate 16. The electric telescopic rod 15 can push the extrusion plate 16 to move, and the extrusion plate 16 pushes the pin header 17 to move, thereby performing breakpoint processing on the fresh-keeping bag material.

[0028] like Figure 3 and 4As shown, a supporting plate 18 is connected to the bottom of the inner wall of the frame 1 , and the supporting plate 18 is connected to the wiring harness of the electric control box 12 . A row of holes 19 is opened above the supporting plate 18 , and the row of holes 19 and the pin header 17 are located at the same horizontal position.

[0029] like Figure 2 、 Figure 3 and 4 As shown, a through slot 20 is provided on the inner wall of the frame 1, and a winding shaft 21 is connected through the through slot 20. The output end of the gear transmission 22 is sleeved on one side of the winding shaft 21. There are multiple sets of gears inside the gear transmission 22, and the speed of the output and input ends can be adjusted by the gear ratio. A motor 23 is connected to one side of the gear transmission 22. The motor 23 and the gear transmission 22 are both installed on the outside of the frame 1. The winding speed of the winding shaft 21 can be changed through the gear transmission 22.

[0030] The working principle of this utility model is as follows: by moving the connecting frame 13 upward, the roller 1 7 drives the connecting plate 6 upward, and the slider 4 squeezes the spring 5 along the slide bar 3, so that the roller 1 7 and the roller 2 8 are separated. At this time, the fresh-keeping bag material is overlapped and placed on the top of the roller 2 8, and passes under the guide shaft frame 14 and at the same time passes above the load plate 18. At this time, the connecting frame 13 is released. Due to the action of the spring 5, the roller 1 7 and the roller 2 8 will squeeze the edges of the two layers of fresh-keeping bag material. At this time, the electric control box 12 heats the roller 2 8 and starts The belt transmission structure 11 drives the roller 2 8 to rotate, heats and fuses the two layers of fresh-keeping bag material to seal the edges, and at the same time pulls the fresh-keeping bag material at the rear end, wraps the fused fresh-keeping bag around the reeling shaft 21 and starts the motor 23. The motor 23 drives the gear transmission 22 to rotate, and the gear transmission 22 drives the reeling shaft 21 to reel. At the same time, the electric telescopic rod 15 drives the extrusion plate 16 and the supporting plate 18 to overlap, heats the surface of the fresh-keeping bag, and performs a closing process. The needle 17 enters the hole 19 to perform a breakpoint process on the closing part.

[0031] The above description is merely illustrative of certain exemplary embodiments of the present invention. It goes without saying that those skilled in the art will be able to modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and description are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A breakpoint line processing mechanism for a breakpoint type fresh-keeping bag, comprising a frame (1), characterized in that: A slide rail (2) is fixedly connected to the inner wall of the frame (1), a slide rod (3) is fixedly connected inside the slide rail (2), a slider (4) is slidably connected inside the slide rail (2), the slider (4) is sleeved with the slide rod (3), a spring (5) is fitted on the top of the slider (4), and the spring (5) is fitted on the top of the inside of the slide rail (2).

2. The breakpoint line processing mechanism of the point-break fresh-keeping bag according to claim 1 is characterized in that: One side of the slider (4) is fixedly connected to a connecting plate (6), one side of the connecting plate (6) is rotatably connected to a roller one (7), two groups of rollers one (7) are symmetrically arranged in the frame (1), a roller two (8) is closely connected below the roller one (7), one side of the roller two (8) is fixedly connected to a connecting shaft (9), two groups of rollers two (8) are arranged on the same horizontal line in the frame (1), an electrically conductive bearing (10) is fixedly connected to the inner wall of the frame (1), the electrically conductive bearing (10) is plugged into the connecting shaft (9), one end of the connecting shaft (9) is connected to a belt transmission structure (11), and the belt transmission structure (11) is fixedly connected to the outside of the frame (1).

3. The breakpoint line processing mechanism of the point-break fresh-keeping bag according to claim 2 is characterized in that: The bottom of the frame (1) is fixedly connected to an electric control box (12), the electric control box (12) is connected to a wiring harness of a conductive bearing (10), a connecting frame (13) is connected above the connecting plate (6), a guide shaft frame (14) is fixedly connected below the connecting frame (13), and the connection method of the guide shaft frame (14) and the frame (1) is the same as the connection method of the roller 1 (7) and the frame (1).

4. The breakpoint line processing mechanism of the point-break fresh-keeping bag according to claim 3 is characterized in that: An electric telescopic rod (15) is fixedly connected to the upper inner wall of the frame (1); an output end of the electric telescopic rod (15) is connected to an extrusion plate (16); the extrusion plate (16) is connected to a wiring harness of an electric control box (12); and a pin header (17) is fixedly connected to the lower portion of the extrusion plate (16).

5. The breakpoint line processing mechanism of the point-break fresh-keeping bag according to claim 4, characterized in that: A bearing plate (18) is connected to the bottom of the inner wall of the frame (1), the bearing plate (18) is connected to the wiring harness of the electric control box (12), a row of holes (19) is opened above the bearing plate (18), and the row of holes (19) and the row of pins (17) are located at the same horizontal position.

6. The breakpoint line processing mechanism of the point-break fresh-keeping bag according to claim 5, characterized in that: A through slot (20) is provided on the inner wall of the frame (1), a reeling shaft (21) is connected through the through slot (20), one side of the reeling shaft (21) is sleeved with an output end of a gear transmission (22), one side of the gear transmission (22) is connected with a motor (23), and both the motor (23) and the gear transmission (22) are mounted on the outside of the frame (1).

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