Cutting device for packaging bag production

Abstract

The utility model discloses a packaging bag production cutting device which comprises a bottom plate, a flat plate is arranged above the bottom plate, a bent plate is fixedly connected to the middle of the upper surface of the bottom plate, a cutting structure is arranged on the inner wall of the bent plate, and the cutting structure comprises an air cylinder, a first straight plate, a second straight plate, a round rod, a spring, a sliding rod, a round groove and a cutter. According to the cutting device for packaging bag production, through cooperation of the air cylinder, the first straight plate, the second straight plate, the round rod, the spring, the sliding rod, the round groove and the cutter, the air cylinder is started to drive the first straight plate to move downwards, the round rod is driven to move downwards into the round groove, the second straight plate is driven to move downwards, and the cutter is driven to move downwards. When a round rod goes into a round groove, a first straight plate slides downwards on the side walls of a plurality of sliding rods, a second straight plate moves downwards to drive a cutter to move downwards, the downward movement of the cutter can be buffered through the elastic force cooperation of a spring, and the cutter is prevented from being damaged.

Description

Technical Field

[0001] The utility model relates to the technical field of cutting devices, in particular to a cutting device for producing packaging bags. Background Technique

[0002] A packaging bag refers to a bag used for packaging various articles, which facilitates the transportation and storage of goods during the production and circulation processes. It is widely used in daily life and industrial production. Actual figures show that 80% of the plastic bags used are finally transported to landfills for disposal like general garbage, and only 7% of the plastic is recycled.

[0003] When the existing cutting device cuts the packaging bag during production, it directly winds and straightens the packaging bag, and then uses the cooperation of the cutting tool moving downward and the flat plate to directly cut the packaging bag, thus completing the cutting work of the packaging bag. For example, a medical packaging bag uniform cutting device with the application number "CN202323101770.9" includes a conveyor, a conveyor belt is arranged at one end of the conveyor, a cutting plate is fixedly installed at one end of the conveyor belt, a support one is fixedly installed on one side of the conveyor, a guiding connecting rod is hinged at one end of the support one, a cutting tool is hinged at one end of the guiding connecting rod, a second cutting tooth is fixedly installed on one side of the cutting tool, a driving rod is rotatably connected to one side of the cutting tool, a rotating rod is fixedly installed on one side of the driving rod, an electric motor is fixedly connected to one end of the rotating rod, and one end of the electric motor is rotatably connected to a support two, and one side of the support two is fixedly connected to the conveyor. The utility model has the characteristics of strong practicability and uniform cutting.

[0004] When the existing cutting device uses the cooperation of the cutting tool and the flat plate to cut the packaging bag, since the cutting tool directly moves downward and abuts against the flat plate, the downward moving force of the cutting tool is relatively large, and abutting against the flat plate will damage the cutting tool, affecting the subsequent cutting work of the packaging bag. Content of the Utility Model

[0005] Aiming at the deficiencies of the prior art, the utility model provides a cutting device for producing packaging bags, which solves the problem that when the existing cutting device cuts the packaging bag, since the cutting tool directly moves downward and abuts against the flat plate, the downward moving force of the cutting tool is relatively large, and abutting against the flat plate will damage the cutting tool, affecting the subsequent cutting work of the packaging bag.

[0006] To achieve the above object, the utility model is realized through the following technical solutions: A bag production cutting device includes a bottom plate, a flat plate is arranged above the bottom plate, a bent plate is fixedly connected to the middle of the upper surface of the bottom plate, a cutting structure is arranged on the inner wall of the bent plate, and the cutting structure includes a cylinder, a first straight plate, a second straight plate, a round rod, a spring, a sliding rod, a round groove and a cutter. The upper end of the cylinder is fixedly connected to the inner wall of the bent plate, the telescopic end of the cylinder is fixedly connected to the first straight plate, the bottom of the first straight plate is fixedly connected to the round rod and the spring, the inner wall of the spring is sleeved on the side wall of the round rod, the lower end of the spring is fixedly connected to the second straight plate, a round groove is formed in the interior of the second straight plate, the inner wall of the round groove is attached to the side wall of the round rod, two sliding rods are fixedly connected to both sides of the upper surface of the second straight plate, the sliding rods penetrate through the inner wall of the first straight plate and are slidably connected to the inner wall of the first straight plate, and the cutter is fixedly connected to the lower surface of the second straight plate.

[0007] Preferably, a plurality of support columns are fixedly connected to the middle of the upper surface of the bottom plate, and the upper ends of the plurality of support columns are respectively fixedly connected to the bottom of the flat plate.

[0008] Preferably, a first support plate is fixedly connected to one side of the upper surface of the bottom plate, a conveying structure is arranged on the front surface of the first support plate, and the conveying structure includes a servo motor, a housing, a disc, a cylinder, a cross bar, a vertical bar, a frame and a damping wheel. The servo motor is fixedly connected to the back of the first support plate through a bracket, the output shaft of the servo motor penetrates through the back of the first support plate and is rotatably connected to the back of the first support plate through a bearing, the output shaft of the servo motor is fixedly connected to the disc, a cylinder is fixedly connected to the front surface of the disc, the side wall of the cylinder is slidably connected to the inner chute of the cross bar, both ends of the cross bar are respectively slidably connected to the inner chutes on both sides of the inner wall of the housing, the housing is fixedly connected to the front surface of the first support plate through bolts, a vertical bar is fixedly connected to the side wall of the cross bar, the vertical bar penetrates through the bottom of the housing and is movably connected to the bottom of the housing, a frame is fixedly connected to the lower end of the vertical bar, and two damping wheels are rotatably connected to the inner wall of the frame.

[0009] Preferably, a second support plate is fixedly connected to the other side of the upper surface of the bottom plate, a motor is fixedly connected to the back of the second support plate through a bracket, and the output shaft of the motor penetrates through the back of the second support plate and is rotatably connected to the back of the second support plate through a bearing.

[0010] Preferably, a clamping rod is fixedly connected to the output shaft of the motor, and a winding roller is clamped to the side wall of the clamping rod.

[0011] Beneficial effects

[0012] The utility model provides a cutting device for producing packaging bags. It has the following beneficial effects: Through the cooperation among the air cylinder, the first straight plate, the second straight plate, the round rod, the spring, the sliding rod, the round groove and the cutter, when the air cylinder is started, it drives the first straight plate to move downward, drives the round rod to move downward into the round groove, and drives the second straight plate to move downward. When the round rod advances into the inside of the round groove, the first straight plate will slide downward along the side wall of multiple sliding rods. The downward movement of the second straight plate will drive the cutter to move downward. The elastic force of the spring can play a buffering role in the downward movement of the cutter, avoiding damage to the cutter.

[0013] Through the cooperation among the servo motor, the housing, the disc, the cylinder, the cross bar, the vertical bar, the frame and the damping wheel, after clamping the packaging bag by two damping wheels and cutting the packaging bag, the external power supply of the servo motor is connected. When the servo motor is started, it drives the disc to rotate, drives the cylinder to rotate, thereby driving the cross bar to slide downward in the sliding grooves on both sides of the inner wall of the housing, and at the same time driving the vertical bar to move downward in the housing, driving the frame and the two damping wheels to move downward, so that the packaging bag is conveyed to the right, preventing the packaging bag from being under the cutter, facilitating the subsequent connection of the packaging bag to the winding roller for cutting work. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a structural schematic diagram of the utility model;

[0015] Figure 2 is an external appearance schematic diagram of the utility model;

[0016] Figure 3 is Figure 1 a structural schematic diagram of the first support plate, the housing and the frame in

[0017] Figure 4 is Figure 1 a structural schematic diagram of the second support plate, the clamping rod and the winding roller in

[0018] Figure 5 is Figure 1 a structural schematic diagram of the air cylinder, the first straight plate and the cutter in

[0019] In the figure: 1. bottom plate, 2. second support plate, 3. clamping rod, 4. cutter, 5. first straight plate, 6. sliding rod, 7. bent plate, 8. air cylinder, 9. housing, 10. first support plate, 11. cross bar, 12. disc, 13. frame, 14. damping wheel, 15. support column, 16. flat plate, 17. winding roller, 18. vertical bar, 19. round groove, 20. servo motor, 21. cylinder, 22. motor, 23. spring, 24. round rod, 25. second straight plate. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0021] When the existing cutting device uses the cooperation of the cutting tool and the flat plate to cut the packaging bag, since the cutting tool directly moves downward and abuts against the flat plate, the downward movement force of the cutting tool is relatively large, and abutting against the flat plate will damage the cutting tool, affecting the subsequent cutting work of the packaging bag.

[0022] In view of this, the present utility model provides a cutting device for packaging bag production. Through the cooperation among the air cylinder, the first straight plate, the second straight plate, the round rod, the spring, the sliding rod, the round groove and the cutting tool, when the air cylinder is started, it drives the first straight plate to move downward, driving the round rod to move downward into the round groove. When the round rod advances into the inside of the round groove, the first straight plate will slide downward along the side walls of the plurality of sliding rods. The downward movement of the second straight plate will drive the cutting tool to move downward. The elastic force of the spring can play a buffering role in the downward movement of the cutting tool, avoiding damage to the cutting tool.

[0023] Those skilled in the art shall connect the components in this case in sequence. For the specific connection and operation sequence, reference should be made to the following working principle. The detailed connection means are well-known techniques in the art. The following mainly introduces the working principle and process.

[0024] Embodiment 1 consists of Figures 1-5It can be seen that a cutting device for producing packaging bags in this case includes a bottom plate 1. Above the bottom plate 1, there is a flat plate 16. In the middle of the upper surface of the bottom plate 1, there is a bent plate 7 fixedly connected. Fixing the position of the bent plate 7, on both sides of the upper surface of the bottom plate 1, there are respectively two damping wheels 14 and a winding roller 17. Inside the inner wall of the bent plate 7, there is a cutting structure. The cutting structure includes a cylinder 8, a first straight plate 5, a second straight plate 25, a round rod 24, a spring 23, a slide rod 6, a round groove 19, and a cutter 4. The upper end of the cylinder 8 is fixedly connected to the inner wall of the bent plate 7. The model of the cylinder 8 can be selected according to actual needs to meet the working requirements. The telescopic end of the cylinder 8 is fixedly connected to the first straight plate 5. When the cylinder 8 starts, it can drive the first straight plate 5 to move up and down. At the bottom of the first straight plate 5, there are fixedly connected a round rod 24 and a spring 23. The inner wall of the spring 23 is sleeved on the side wall of the round rod 24. The fixed position of the round rod 24 can make the work of the spring 23 more stable. The elastic coefficient of the spring 23 can be selected according to actual needs to meet the working requirements. The lower end of the spring 23 is fixedly connected to the second straight plate 25. Inside the second straight plate 25, there is a round groove 19. The inner wall of the round groove 19 is in contact with the side wall of the round rod 24. When the round rod 24 moves downward and abuts against the inside of the round groove 19, it can drive the second straight plate 25 to move up and down. On both sides of the upper surface of the second straight plate 25, there are fixedly connected two slide rods 6. The slide rods 6 penetrate the inner wall of the first straight plate 5 and are slidably connected to the inner wall of the first straight plate 5. The first straight plate 5 can slide up and down on the side wall of the slide rod 6. The lower surface of the second straight plate 25 is fixedly connected to the cutter 4. When the second straight plate 25 moves up and down, it can drive the cutter 4 to move up and down;

[0025] In the specific implementation process, it is particularly worth noting that fixing the position of the bent plate 7, the model of the cylinder 8 can be selected according to actual needs to meet the working requirements. When the cylinder 8 starts, it can drive the first straight plate 5 to move up and down. The fixed position of the round rod 24 can make the work of the spring 23 more stable. The elastic coefficient of the spring 23 can be selected according to actual needs to meet the working requirements. When the round rod 24 moves downward and abuts against the inside of the round groove 19, it can drive the second straight plate 25 to move up and down. The first straight plate 5 can slide up and down on the side wall of the slide rod 6. When the second straight plate 25 moves up and down, it can drive the cutter 4 to move up and down. Through the cooperation of the spring 23, it can play a buffering role in the downward cutting of the cutter 4;

[0026] Furthermore, in the middle of the upper surface of the bottom plate 1, there are fixedly connected multiple support columns 15. The upper ends of the multiple support columns 15 are respectively fixedly connected to the bottom of the flat plate 16, which can fix the positions of the multiple support columns 15 and the flat plate 16;

[0027] In the specific implementation process, it is particularly worth noting that it can fix the positions of the multiple support columns 15 and the flat plate 16. Through the cooperation of the flat plate 16, it is convenient to carry out the cutting work on the packaging bag;

[0028] Specifically, when cutting the packaging bag, pass the packaging bag through between the two damping wheels 14, connect it to the winding roller 17, wind and straighten the packaging bag, and then start the cylinder 8. When the cylinder 8 starts, it drives the first straight plate 5 to move downward, drives the round rod 24 to move downward, drives the second straight plate 25 to move downward, drives the cutter 4 to move downward and press against the upper surface of the flat plate 16 to cut the packaging bag. When the round rod 24 abuts against the inside of the round groove 19, the elastic force of the spring 23 cooperates to drive the second straight plate 25 and the cutter 4 to move upward, drives the slide rod 6 to slide inside the first straight plate 5, and buffers the cutting work of the cutter 4;

[0029] Embodiment 2, from Figures 1-3 It can be seen that one side of the upper surface of the bottom plate 1 is fixedly connected with a first support plate 10. A conveying structure is arranged on the front surface of the first support plate 10. The conveying structure includes a servo motor 20, a housing 9, a disc 12, a cylinder 21, a cross bar 11, a vertical bar 18 and a frame 13. The servo motor 20 is fixedly connected to the back of the first support plate 10 through a bracket. The model of the servo motor 20 can be selected according to actual needs as long as it meets the working requirements. The output shaft of the servo motor 20 penetrates the back of the first support plate 10 and is rotatably connected to the back of the first support plate 10 through a bearing. The output shaft of the servo motor 20 can rotate on the back of the first support plate 10. The output shaft of the servo motor 20 is fixedly connected with a disc 12. When the servo motor 20 starts, it can drive the disc 12 to rotate. The front surface of the disc 12 is fixedly connected with a cylinder 21. When the disc 12 rotates, it can drive the cylinder 21 to rotate. The side wall of the cylinder 21 is slidably connected to the inner chute of the cross bar 11. The two ends of the cross bar 11 are respectively slidably connected to the inner chutes on both sides of the inner wall of the housing 9. When the cylinder 21 rotates, it can drive the cross bar 11 to slide up and down in the inner chutes on both sides of the inner wall of the housing 9. The housing 9 is fixedly connected to the front surface of the first support plate 10 through bolts to fix the position of the housing 9. The side wall of the cross bar 11 is fixedly connected with a vertical bar 18. The vertical bar 18 penetrates the bottom of the housing 9 and is movably connected to the bottom of the housing 9. When the cross bar 11 moves up and down, it can drive the vertical bar 18 to move up and down inside the bottom of the housing 9. The lower end of the vertical bar 18 is fixedly connected with a frame 13. When the vertical bar 18 moves up and down, it can drive the frame 13 to move up and down. The inner wall of the frame 13 is rotatably connected to the two damping wheels 14. When the frame 13 moves up and down, it can drive the two damping wheels 14 to move up and down;

[0030] In the specific implementation process, it is particularly worth noting that the model of the servo motor 20 can be selected according to actual needs as long as it meets the working requirements. The output shaft of the servo motor 20 can rotate on the back of the first support plate 10. When the servo motor 20 starts, it can drive the disc 12 to rotate. The rotation of the disc 12 can drive the cylinder 21 to rotate. The rotation of the cylinder 21 can drive the cross bar 11 to slide up and down in the chute on both sides of the inner wall of the housing 9, fixing the position of the housing 9. The up and down movement of the cross bar 11 can drive the vertical bar 18 to move up and down inside the bottom of the housing 9. The up and down movement of the vertical bar 18 can drive the frame 13 to move up and down. The up and down movement of the frame 13 can drive the two damping wheels 14 to move up and down, which can convey the packaging bag to the right to prevent the packaging bag from being under the cutter 4, facilitating the subsequent connection of the packaging bag to the winding roller 17.

[0031] Further, on the other side of the upper surface of the bottom plate 1, a second support plate 2 is fixedly connected. The position of the second support plate 2 is fixed. The back of the second support plate 2 is fixedly connected with a motor 22 through a bracket. The model of the motor 22 can be selected according to actual needs as long as it meets the working requirements. The output shaft of the motor 22 penetrates the back of the second support plate 2 and is rotationally connected to the back of the second support plate 2 through a bearing. The output shaft of the motor 22 can rotate on the back of the second support plate 2.

[0032] In the specific implementation process, it is particularly worth noting that the position of the second support plate 2 is fixed. The model of the motor 22 can be selected according to actual needs as long as it meets the working requirements. The output shaft of the motor 22 can rotate on the back of the second support plate 2, making the operation of the motor 22 more stable.

[0033] Furthermore, a clamping rod 3 is fixedly connected to the output shaft of the motor 22. When the motor 22 starts, it can drive the clamping rod 3 to rotate. The side wall of the clamping rod 3 is clamped with the inner wall of the winding roller 17. The rotation of the clamping rod 3 can drive the winding roller 17 to rotate.

[0034] In the specific implementation process, it is particularly worth noting that when the motor 22 starts, it can drive the clamping rod 3 to rotate. The rotation of the clamping rod 3 can drive the winding roller 17 to rotate, which is convenient for winding the packaging bag.

[0035] Specifically, after the cutting work of the packaging bag is completed, the external power supply of the servo motor 20 is connected. The servo motor 20 starts to drive the disc 12 to rotate, driving the cylinder 21 to rotate, causing the cylinder 21 to slide in the inner chute of the cross bar 11, driving the cross bar 11 to slide down in the chute on both sides of the inner wall of the housing 9. At the same time, it drives the vertical bar 18 to move down inside the housing 9, driving the frame 13 to move down, and driving the two damping wheels 14 to move down, moving the packaging bag to the right, preventing the right-end packaging bag from being under the cutter 4, facilitating connecting the packaging bag to the winding roller 17 again, and then carrying out the subsequent cutting work of the packaging bag.

[0036] It should be noted that in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variant thereof are intended to cover non-exclusive inclusion, such that a process, method, article or device comprising a series of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "comprising a..." does not exclude the presence of additional identical elements in the process, method, article or device comprising said element.

[0037] In the present utility model, unless otherwise clearly specified and defined, terms such as "mounted", "arranged", "connected", "fixed", "swivelly connected" and the like shall be construed in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements or the interaction relationship between two elements. Unless otherwise clearly defined, for those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0038] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A packaging bag production cutting device, comprising a bottom plate (1), characterized in that: Above the bottom plate (1), there is a flat plate (16). In the middle of the upper surface of the bottom plate (1), there is a bent plate (7) fixedly connected. On both sides of the upper surface of the bottom plate (1), there are respectively two damping wheels (14) and a winding roller (17). Inside the inner wall of the bent plate (7), there is a cutting structure; The cutting structure includes a cylinder (8), a first straight plate (5), a second straight plate (25), a round rod (24), a spring (23), a slide rod (6), a round groove (19), and a cutter (4); The upper end of the cylinder (8) is fixedly connected to the inner wall of the bent plate (7). The telescopic end of the cylinder (8) is fixedly connected to a first straight plate (5). At the bottom of the first straight plate (5), there are fixedly connected a round rod (24) and a spring (23). The inner wall of the spring (23) is sleeved on the side wall of the round rod (24). The lower end of the spring (23) is fixedly connected to a second straight plate (25). Inside the second straight plate (25), there is a round groove (19). The inner wall of the round groove (19) is in contact with the side wall of the round rod (24). On both sides of the upper surface of the second straight plate (25), there are fixedly connected two slide rods (6). The slide rods (6) penetrate through the inner wall of the first straight plate (5) and are slidably connected to the inner wall of the first straight plate (5). The lower surface of the second straight plate (25) is fixedly connected to a cutter (4).

2. The cutting device for producing packaging bags according to claim 1, wherein: In the middle of the upper surface of the bottom plate (1), there are fixedly connected multiple support columns (15). The upper ends of the multiple support columns (15) are respectively fixedly connected to the bottom of the flat plate (16).

3. The cutting device for producing packaging bags according to claim 1, wherein: On one side of the upper surface of the bottom plate (1), there is a first support plate (10). On the front surface of the first support plate (10), there is a conveying structure; The conveying structure includes a servo motor (20), a housing (9), a disc (12), a cylinder (21), a cross bar (11), a vertical bar (18), and a frame (13); The servo motor (20) is fixedly connected to the back of the first support plate (10) through a bracket. The output shaft of the servo motor (20) penetrates through the back of the first support plate (10) and is rotationally connected to the back of the first support plate (10) through a bearing. The output shaft of the servo motor (20) is fixedly connected to a disc (12). On the front surface of the disc (12), there is a cylinder (21) fixedly connected. The side wall of the cylinder (21) is slidably connected to the inner chute of the cross bar (11). The two ends of the cross bar (11) are respectively slidably connected to the inner chutes on both sides of the inner wall of the housing (9). The housing (9) is fixedly connected to the front surface of the first support plate (10) through bolts. On the side wall of the cross bar (11), there is a vertical bar (18) fixedly connected. The vertical bar (18) penetrates through the bottom of the housing (9) and is movably connected to the bottom of the housing (9). The lower end of the vertical bar (18) is fixedly connected to a frame (13). The inner wall of the frame (13) is rotationally connected to the two damping wheels (14).

4. A bag packaging production cutting device according to claim 1, characterized in that: On the other side of the upper surface of the bottom plate (1), a second support plate (2) is fixedly connected. The back of the second support plate (2) is fixedly connected with a motor (22) through a bracket. The output shaft of the motor (22) penetrates through the back of the second support plate (2) and is rotatably connected with the back of the second support plate (2) through a bearing.

5. A bag packaging production cutting device according to claim 4, characterized in that: The output shaft of the motor (22) is fixedly connected with a clamping rod (3), and the side wall of the clamping rod (3) is clamped with the inner wall of the winding roller (17).

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