Cutting device for plastic bags in tobacco bales

The cutting knife action is driven by a single rotating cylinder, which solves the problem of high failure rate of existing cutting machines and achieves a low failure rate and high automation in cigarette bag cutting effect.

CN222844926UActive Publication Date: 2025-05-09CHINA TOBACCO ZHEJIANG IND CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202421748436.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-23
Publication Date
2025-05-09
Estimated Expiration
2034-07-23

AI Technical Summary

Technical Problem

Since each cutter is controlled by a separate cylinder, the existing internal plastic bag cutting machine has a higher possibility of failure and a higher failure rate of rodless cylinder.

Method used

The cross follow-up guide is controlled through a single rotating cylinder, which drives the cutting knife to reciprocate, and realizes the cutting of the plastic bag in the cigarette bag.

Benefits of technology

It reduces the failure rate, improves the degree of automation, has a simple structure and few pneumatic components.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222844926U_ABST
    Figure CN222844926U_ABST
Patent Text Reader

Abstract

The utility model provides a cutting device for a plastic bag in a cigarette packet. The cutting device comprises a first rack, a cross follow-up guide rail, a first guide column, a mounting and rotating frame and a cutting structure. The first rack is a rectangular frame, and the periphery of the first rack is vertically connected with the supporting legs. The center of the first rack is rotationally connected with a cross follow-up guide rail, and the free ends of the cross follow-up guide rail are provided with sliding grooves of the same structure. The mounting and rotating frame is hoisted on the lower side of the first rack and comprises four mounting blocks defining a rectangular structure frame, and the mounting blocks are slidably connected with a cutting structure; the cutting structure is connected with the lower ends of the first guide columns, the upper ends of the first guide columns are slidably connected to sliding grooves in one free end of the cross-shaped follow-up guide rail, and the cross-shaped follow-up guide rail can conveniently drive the cutting structure to slide at the same time. The tobacco bale cutting device is simple in structure, the cross follow-up guide rail is controlled to drive the cutting knife to reciprocate by controlling the action of the rotating air cylinder, and the function of cutting plastic bags in tobacco bales is achieved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to a device for cutting plastic bags in cigarette packages, belonging to the technical field of primary processing of cigarette production. Background Art

[0002] In the process of cigarette processing, the raw materials used are compressed cigarette packs processed and produced by the tobacco redrying factory, and the first process in tobacco production is to remove the outer packaging cartons and inner packaging plastic bags of the cigarette packs. Therefore, the main content of the unpacking process is to use a series of equipment to remove the packaging cartons and packaging plastic bags, and then convey the cigarette packs to the slicing process through a belt conveyor.

[0003] Most existing inner plastic bag cutting machines have four cutting knives fixed on a knife holder, and each of them is driven to reciprocate by a rodless cylinder to achieve the function of cutting plastic bags. Although this device can effectively cut plastic bags, since each cutting knife is controlled by a separate cylinder, the possibility of failure is high, and the failure rate of the rodless cylinder itself is relatively high due to its own principle and structure. Utility Model Content

[0004] The utility model aims to provide a device for cutting plastic bags in cigarette packages, which controls a cross follower guide rail through a single rotating cylinder, thereby driving a cutting knife to reciprocate, thereby achieving the function of cutting plastic bags in cigarette packages.

[0005] In order to achieve the above-mentioned purpose / solve the above-mentioned technical problems, the utility model is implemented by adopting the following technical solutions.

[0006] On the one hand, the utility model provides a plastic bag cutting device for cigarette packages, comprising: a first frame, a cross follower guide rail, a first guide column, a rotating frame and a cutting structure;

[0007] The first frame adopts a rectangular frame, and the four sides of the first frame are respectively connected to the legs vertically; the center of the first frame is rotatably connected to the cross follower guide rail, and the free ends of the cross follower guide rail are respectively provided with sliding grooves with the same structure;

[0008] The rotating frame is hoisted on the lower side of the first frame, and the rotating frame includes: 4 mounting blocks forming a rectangular structure frame, each of the mounting blocks is slidably connected to the cutting structure; the upper surface of the cutting structure is connected to the lower end of the first guide column, and the upper ends of the four first guide columns are respectively slidably connected to the sliding groove of a free end of the cross follower guide rail, so that the cross follower guide rail can drive the cutting structure to slide at the same time.

[0009] Furthermore, the center of the cross follower guide rail is connected to the lower end of the second guide column, the upper end of the second guide column is connected to the output end of the rotating cylinder, the tail end of the rotating cylinder is connected to the middle of the transition frame, and both ends of the transition frame are connected to the rectangular frame.

[0010] Furthermore, a second frame with the same structure is arranged at the lower side of the first frame, and the second frame is connected with the legs on all sides. The second frame is connected to the mounting frame through a lifting cylinder. The size of the mounting frame is smaller than the first and second frames. The lifting cylinder drives the mounting block, cutting structure, sliding bearing and other components to make an overall up and down linear motion along the third guide column, thereby realizing the switching between the cutting station and the standby station.

[0011] Furthermore, the middle parts of two or four sides of the second frame are connected to lifting cylinders, and the lifting cylinders are symmetrically connected to the second frame.

[0012] Furthermore, a sliding bearing is arranged on the outer side of the mounting frame, the sliding bearing is connected to the outer wall of the mounting frame through a bearing seat, the second frame is connected to the upper end of the third guide column, the lower end of the third guide column passes through the sliding bearing, and the sliding bearing guides the third guide column to slide up and down.

[0013] Furthermore, sliding bearings are symmetrically arranged on two or four sides of the installation frame, and at least two sliding bearings are symmetrically arranged on each side. Multiple groups of sliding bearings are arranged to stabilize the sliding direction of the third guide column.

[0014] Furthermore, the mounting block is provided with a slide rail along the length direction, the slide rail is slidably connected to the cutting structure, and the root end of the cutting structure is connected to the rail through a slider.

[0015] Furthermore, the cutting structure adopts cutting knives, and the directions of the blades of the four cutting knives are respectively consistent with the rotation direction of the free ends of the cross follower guide rails connected thereto, so as to control the cutting direction and improve the cutting effect.

[0016] Furthermore, reinforcing ribs are connected transversely between the legs to improve the stability of the legs.

[0017] Furthermore, the center points of the first frame, the rotating frame, and the cross follower guide rail are on the same vertical line.

[0018] Compared with the prior art, the utility model has the following beneficial effects: the utility model controls the action of a rotating cylinder to control the cross follower guide rail to drive the cutting knife to reciprocate, thereby completing the cutting function of the plastic bag in the cigarette package; the utility model has a simple device structure, fewer pneumatic components, a low failure rate and a high degree of automation. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the structure of the plastic bag cutting device in a cigarette pack of the utility model;

[0020] Figure 2 It is a structural schematic diagram of the cutting structure of the utility model;

[0021] The accompanying drawings are marked as: 1. first frame, 2. cross follower guide rail, 3. rotating cylinder, 4. first guide column, 5. third guide column, 6. sliding bearing, 7. mounting block, 8. lifting cylinder, 9. slide rail, 10. cutting structure, 11. second guide column, 12. transition frame, 13. second frame, 14 reinforcing ribs. DETAILED DESCRIPTION

[0022] The technical solution of the utility model is described in detail below through the accompanying drawings and specific embodiments. It should be understood that the embodiments of the utility model and the specific features in the embodiments are detailed descriptions of the technical solution of the utility model, rather than limitations on the technical solution of the utility model. In the absence of conflict, the embodiments of the utility model and the technical features in the embodiments can be combined with each other.

[0023] The term "and / or" is only a description of the association relationship between related objects, indicating that there can be three relationships. For example, A and / or B can mean: A exists alone, A and B exist at the same time, and B exists alone. In addition, the character " / " generally indicates that the related objects are in an "or" relationship. Example

[0024] like Figures 1 to 2 An embodiment shown in the figure provides a device for cutting plastic bags in cigarette packages, comprising: a first frame 1, a cross follower guide rail 2, a first guide column 4, a rotating frame and a cutting structure 10;

[0025] The first frame 1 adopts a rectangular frame, and the four sides of the rectangular frame are vertically connected to the legs; the central rotation of the first frame 1 is connected to the cross follower guide rail 2, and the cross follower guide rail is a vertical cross structure. The free ends of the cross follower guide rail 2 are respectively provided with slide grooves of the same structure, and the width of the slide groove is adapted to the diameter of the first guide column; the rotating frame is hoisted on the lower side of the first frame 1, and the rotating frame includes: 4 mounting blocks 7 that form a rectangular structure frame, and the mounting blocks 7 are provided with slide rails 9 along the length direction, and the slide rails 9 are slidably connected to the cutting structure; the cutting structure 10 adopts a cutting knife, and the blade directions of the 4 cutting knives are consistent with the rotation direction of the cross follower guide rail 2; the upper surface of the cutting structure 10 is connected to the lower end of the first guide column 4, and the first guide column 4 is vertically connected to the upper surface of the root end of the cutting structure, and the upper ends of the four first guide columns 4 are respectively slidably connected to the slide grooves of a free end of the cross follower guide rail 2.

[0026] The center of the cross follower guide rail 2 is connected to the lower end of the second guide column 11, the upper end of the second guide column 11 is connected to the output end of the rotating cylinder 3, the tail end of the rotating cylinder 3 is connected to the middle of the transition frame 12, and the two ends of the transition frame 12 are connected to the rectangular frame; the center points of the first frame 1, the rotating frame, and the cross follower guide rail 2 are on the same vertical line.

[0027] A second frame 13 with the same structure is arranged at the lower side of the first frame 1. The second frame 13 is connected to the legs on all sides. The second frame 13 is connected to the mounting frame through the lifting cylinder 8. The size of the mounting frame is smaller than that of the second frame. The lifting cylinder 8 is connected to the middle of two or four sides of the second frame 13. The lifting cylinder 8 is symmetrically connected to the second frame 13.

[0028] The outer side of the rotating frame is provided with a sliding bearing 6, the second frame 13 is connected to the upper end of the third guide column 5, and the lower end of the third guide column 5 passes through the sliding bearing 6. The sliding bearings 6 are symmetrically arranged on two or four sides of the mounting frame, and at least two sliding bearings 6 are symmetrically arranged on each side. Reinforcing ribs 14 are transversely connected between the legs.

[0029] Working process: The cutting device of the utility model is placed on the cigarette pack conveyor belt, and the cigarette pack cutting station is adjusted to the lower side of the device. When a cigarette pack is transported to the cutting station, the lifting cylinder 8 drives the mounting frame as a whole to drive the cutting knife to move downward until the four cutting knives are located around the middle of the cigarette pack. At this time, the rotating cylinder 3 is driven to drive the cross follower guide rail 2 to rotate. The free ends of the cross follower guide rail 2 respectively drive a cutting knife to cut from one end of the track to the other end at the same time, completing the upper and lower division of the inner plastic bags on the four sides of the cigarette pack. After dividing the inner plastic bag of the cigarette pack, the cutting knife is raised by the lifting cylinder, the cigarette pack is transported out of the cutting station, and the cutting knife is reset by the reverse rotation of the rotating cylinder, waiting for the next cigarette pack to be transported to the cutting station, and the cycle is repeated.

[0030] The utility model has a simple structure. By controlling the action of a rotating cylinder and controlling the cross follower guide rail to drive the cutting knife to reciprocate, the cutting function of the plastic bag in the cigarette package can be completed. The reciprocating action of the lifting cylinder facilitates the transportation and cutting positioning of the cigarette package. The utility model has few pneumatic components, a low failure rate and a high degree of automation.

[0031] The embodiments of the present invention are described above in conjunction with the accompanying drawings, but the present invention is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the enlightenment of the present invention, ordinary technicians in this field can also make many forms without departing from the scope of protection of the purpose of the present invention and the claims, which all fall within the protection of the present invention.

Claims

1. A device for cutting plastic bags in cigarette packages, characterized in that: include: A first frame (1), a cross follower guide rail (2), a first guide column (4), a rotating frame and a cutting structure (10); The first frame (1) adopts a rectangular frame, and the four sides of the first frame (1) are respectively connected to the legs vertically; the center of the first frame (1) is rotatably connected to the cross follower guide rail (2), and the free ends of the cross follower guide rail (2) are respectively provided with sliding grooves with the same structure; The rotating frame is hoisted on the lower side of the first frame (1), and comprises: four mounting blocks (7) forming a rectangular structure frame, each mounting block (7) being slidably connected to a cutting structure (10); the upper surface of the cutting structure (10) is vertically connected to the lower end of a first guide column (4), and the upper ends of the four first guide columns (4) are respectively slidably connected to a slide groove at a free end of a cross follower guide rail (2).

2. The device for cutting plastic bags in cigarette packages according to claim 1, characterized in that: The center of the cross follower guide rail (2) is connected to the lower end of the second guide column (11), the upper end of the second guide column (11) is connected to the output end of the rotary cylinder (3), the rear end of the rotary cylinder (3) is connected to the middle of the transition frame (12), and the two ends of the transition frame (12) are connected to the first frame (1).

3. The plastic bag cutting device for cigarette packs according to claim 1, characterized in that: A second frame (13) with the same structure is arranged at the lower side of the first frame (1), the second frame (13) is connected to legs on all sides, the second frame (13) is connected to a mounting frame via a lifting cylinder (8), and the size of the mounting frame is smaller than that of the second frame (13).

4. The device for cutting plastic bags in cigarette packages according to claim 3, characterized in that: The middle parts of two or four sides of the second frame (13) are connected to lifting cylinders (8), and the lifting cylinders (8) are symmetrically connected to the second frame (13).

5. The device for cutting plastic bags in cigarette packages according to claim 3, characterized in that: A sliding bearing (6) is arranged on the outer side of the rotating frame, the second frame (13) is connected to the upper end of the third guide column (5), and the lower end of the third guide column (5) is slidably connected to the sliding bearing (6).

6. The device for cutting plastic bags in cigarette packages according to claim 5, characterized in that: Sliding bearings (6) are symmetrically arranged on two or four sides of the installation frame, and at least two sliding bearings (6) are symmetrically arranged on each side.

7. The device for cutting plastic bags in cigarette packages according to claim 1, characterized in that: The mounting block (7) is provided with a slide rail (9) along the length direction, and the slide rail (9) is slidably connected to the cutting structure (10).

8. The device for cutting plastic bags in cigarette packages according to claim 1, characterized in that: The cutting structure (10) uses a cutting knife.

9. The device for cutting plastic bags in cigarette packages according to claim 1, characterized in that: Reinforcing ribs (14) are transversely connected between the legs.

10. The device for cutting plastic bags in cigarette packages according to claim 1, characterized in that: The center points of the first frame (1), the rotating frame, and the cross follower guide rail (2) are on the same vertical line.