Cold cutting fly cutter device of plastic woven bag cutting machine

Through the coordinated action of components such as the support base and the mobile frame, the displacement problem caused by external forces during the cutting process of plastic woven bags is solved, the accuracy and stability of the cutting position are achieved, and the production efficiency and product quality are improved.

CN223384042UActive Publication Date: 2025-09-26SHENYANG HUAXIN PLASTIC IND CO LTD
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Patent Information

Application Number
CN202422898529.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-27
Publication Date
2025-09-26
Estimated Expiration
2034-11-27

AI Technical Summary

Technical Problem

Plastic woven bags are easily displaced due to external forces during the cutting process, resulting in wrinkles on the surface after cutting, affecting the quality and aesthetics.

Method used

The cold-cut flying knife device consists of a support base, a mobile frame, a cutting device, an adjusting device, etc. The coordinated action of components such as threaded rods, cylinders, motors, positioning rods and spring turns ensures the accuracy and stability of the cutting position and is suitable for plastic woven bags of different sizes and shapes.

Benefits of technology

It improves the accuracy of cutting position and the versatility of equipment, reduces equipment failure rate, and improves production efficiency and product quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of new materials, and discloses a plastic woven bag cutting machine cold cutting fly cutter device which comprises supporting seats, the left supporting seat and the right supporting seat are arranged, a movable frame is arranged between the left supporting seat and the right supporting seat, and the left end and the right end of the movable frame are arranged on the outer side faces of the supporting seats in a sleeved mode and are in sliding connection with the supporting seats. A fixing plate is arranged below the movable frame, the left side face and the right side face of the fixing plate are fixedly connected with the adjacent supporting seats, a cutting device is arranged above the movable frame, an adjusting device is arranged between the movable frame and the fixing plate, and the cutting device comprises a cutting part and a fixing part. The upper top frame can accurately return to the original position under the action of the spring turns and fix the corner of the plastic woven bag, the accuracy of the cutting position is ensured, parameters of the air cylinder and the motor are adjusted, the positions of the adjusting frame and the lower bottom frame are adjusted, the equipment can adapt to the plastic woven bags of different sizes and shapes, and the universality and flexibility of the equipment are improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of new materials, in particular to a cold-cut flying knife device for a plastic woven bag cutting machine. Background Art

[0002] Plastic woven bag cutting machine, as the name suggests, is a mechanical equipment used for cutting plastic woven bags. It is widely used in the manufacturing, recycling and processing of plastic woven bags. It can complete the cutting task efficiently and accurately, improve production efficiency and product quality. The plastic woven bag cutting machine is mainly composed of the main parts such as the frame, motor, reducer, cutter, positioning device and control system;

[0003] When cutting plastic woven bags, a key step is to use a cooling flying knife device for precise cutting. However, since plastic woven bags are easily displaced by external forces during the cutting process, this often causes wrinkles on the surface of the cut woven bags, thus affecting their quality and appearance.

[0004] Therefore, a cold-cut flying knife device of a plastic woven bag cutting machine is proposed. Utility Model Content

[0005] The purpose of the utility model is to provide a cold-cut flying knife device for a plastic woven bag cutting machine to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a cold-cutting flying knife device for a plastic woven bag cutting machine, comprising a support base, two support bases are provided on the left and right sides, a movable frame is provided between the left and right support bases, the left and right ends of the movable frame are sleeved on the outer side surfaces of the support base and are slidably connected to the support base, a fixed plate is provided below the movable frame, the left and right side surfaces of the fixed plate are fixedly connected to the adjacent support bases, a cutting device is provided above the movable frame, and an adjustment device is provided between the movable frame and the fixed plate;

[0007] The cutting device includes a cutting portion and a fixing portion;

[0008] The adjusting device includes an adjusting portion and a connecting portion.

[0009] Preferably, the cutting part includes a threaded rod, and the left and right ends of the threaded rod are connected to bearings close to the support seat. A motor is fixedly arranged on the left side of the support seat on the left side, and the motor output shaft passes through the support seat and is fixedly connected to the threaded rod. A connecting frame is sleeved on the outer side of the threaded rod, and the connecting frame is threadedly connected to the threaded rod. The motor drives the threaded rod to rotate, and the threaded rod drives the connecting frame to move horizontally.

[0010] Preferably, a positioning rod is provided behind the threaded rod, and the left and right sides of the positioning rod are fixedly connected to the adjacent support seat. The positioning rod passes through the connecting frame and is slidably connected to the connecting frame. A circular flying knife is installed at the lower end of the connecting frame. The positioning rod positions the moving connecting frame, and when the connecting frame moves, it drives the circular flying knife to cut the plastic woven bag.

[0011] Preferably, the fixed part includes an adjusting frame, which is sleeved on the outer side of the movable frame and slidably connected to the movable frame. A placement plate is provided on the left side of the adjusting frame, and the top surface of the placement plate is fixedly connected to the movable frame. A cylinder is fixedly provided on the right side of the placement plate, and the cylinder output shaft is fixedly connected to the adjusting frame, and the cylinder drives the adjusting frame to move.

[0012] Preferably, a lower base frame is fixedly provided on the top surface of the adjusting frame, an upper top frame is hingedly provided on the upper end of the lower base frame, a spring turn is sleeved at the hinge between the lower base frame and the upper top frame, the upper and lower ends of the spring turn are in contact with the upper top frame and the lower base frame respectively, and elastic blocks are fixedly provided at the close ends of the lower base frame and the upper top frame, and the upper top frame can accurately return to its original position and fix the corner of the plastic woven bag under the action of the spring turn, thereby ensuring the accuracy of the cutting position.

[0013] Preferably, the adjustment part includes a connecting plate, the top surface of the connecting plate is fixedly connected to the movable frame, two connecting plates are provided in the front and rear, a positioning frame is provided under the connecting plate, the positioning frame is fixedly installed on the top surface of the fixed plate, and the lower end of the connecting plate is located inside the positioning frame and is slidably connected to the inner wall of the positioning frame.

[0014] Preferably, a positioning groove is provided on the front of the positioning frame, a positioning block is provided in the positioning groove, the positioning block is fixedly connected to the connecting plate, the positioning block is slidingly connected to the inner wall of the positioning groove, and electric hydraulic rods are hingedly provided at both ends of the connecting plate, and the other end of the electric hydraulic rod is hinged to the fixed plate.

[0015] Preferably, the connecting part includes a sleeve, which is fixedly connected to the fixed plate, and a sliding rod is fixedly provided on the bottom surface of the movable frame. The lower end of the sliding rod is located inside the sleeve and is slidably connected to the inner wall of the sleeve. A connecting spring is provided on the outer side surface of the sliding rod, and the upper and lower ends of the connecting spring are fixedly connected to the sliding rod and the sleeve respectively.

[0016] Compared with the prior art, the beneficial effects of the present invention are: the cold-cut flying knife device of the plastic woven bag cutting machine is

[0017] 1) The upper frame can accurately return to its original position and fix the corners of the plastic woven bag under the action of the spring turns, ensuring the accuracy of the cutting position. By adjusting the parameters of the cylinder and motor, as well as the position of the adjustment frame and the lower frame, the equipment can adapt to plastic woven bags of different sizes and shapes, improving the versatility and flexibility of the equipment.

[0018] 2) The sliding rod slides within the sleeve to precisely position the mobile frame, ensuring accuracy and stability during operation. The connecting spring absorbs and mitigates vibration and impact during movement, keeping the device stable during operation. This helps reduce equipment failure rates and improve production efficiency and product quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional schematic diagram of the structure of the utility model;

[0020] Figure 2 This is a three-dimensional view of the cutting device of the utility model;

[0021] Figure 3 This is a partial three-dimensional view of the cutting device of the utility model;

[0022] Figure 4 This is a three-dimensional view of the lower base frame and upper frame of the utility model;

[0023] Figure 5 This is a three-dimensional view of the adjustment device of the utility model.

[0024] In the figure: 1 support base, 2 moving frame, 3 cutting device, 31 threaded rod, 32 motor, 33 positioning rod, 34 connecting frame, 35 circular flying cutter, 36 adjustment frame, 37 placement plate, 38 cylinder, 39 lower base frame, 310 upper frame, 311 spring turn, 312 elastic block, 4 fixed plate, 5 adjustment device, 51 connecting plate, 52 positioning frame, 53 positioning block, 54 electric hydraulic rod, 55 sleeve, 56 sliding rod, 57 connecting spring. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0026] Example 1:

[0027] See also Figure 1-Figure 5The utility model provides a technical solution: a cold-cut flying knife device for a plastic woven bag cutting machine, comprising a support base 1, two support bases 1 are provided on the left and right, a movable frame 2 is provided between the left and right support bases 1, the left and right ends of the movable frame 2 are sleeved on the outer side surfaces of the support base 1 and are slidably connected to the support base 1, a fixed plate 4 is provided below the movable frame 2, and the left and right sides of the fixed plate 4 are fixedly connected to the support base 1 close to the movable frame 2, a cutting device 3 is provided above the movable frame 2, and an adjusting device 5 is provided between the movable frame 2 and the fixed plate 4;

[0028] The cutting device 3 includes a cutting portion and a fixing portion;

[0029] The adjusting device 5 includes an adjusting portion and a connecting portion.

[0030] The cutting part includes a threaded rod 31, the left and right ends of the threaded rod 31 are connected to the bearings close to the support seat 1, a motor 32 is fixedly provided on the left side of the left support seat 1, the output shaft of the motor 32 passes through the support seat 1 and is fixedly connected to the threaded rod 31, and a connecting frame 34 is sleeved on the outer side of the threaded rod 31, and the connecting frame 34 is threadedly connected to the threaded rod 31;

[0031] A positioning rod 33 is provided behind the threaded rod 31. The left and right sides of the positioning rod 33 are fixedly connected to the support base 1. The positioning rod 33 passes through the connecting frame 34 and is slidably connected to the connecting frame 34. A circular flying knife 35 is installed at the lower end of the connecting frame 34.

[0032] The fixed portion includes an adjustment frame 36, which is sleeved on the outer side of the mobile frame 2 and slidably connected to the mobile frame 2. A placement plate 37 is provided on the left side of the adjustment frame 36, and the top surface of the placement plate 37 is fixedly connected to the mobile frame 2. A cylinder 38 is fixedly provided on the right side of the placement plate 37, and the output shaft of the cylinder 38 is fixedly connected to the adjustment frame 36;

[0033] A lower base frame 39 is fixedly provided on the top surface of the adjustment frame 36. An upper frame 310 is hingedly provided on the upper end of the lower base frame 39. A spring coil 311 is sleeved at the hinged joint between the lower base frame 39 and the upper frame 310. The upper and lower ends of the spring coil 311 are in contact with the upper frame 310 and the lower base frame 39 respectively. Elastic blocks 312 are fixedly provided at the ends close to the lower base frame 39 and the upper frame 310.

[0034] Furthermore, in this embodiment, the upper frame 310 is pressed to place the corner of the plastic woven bag on the lower frame 39. Under the action of the spring coil 311, the upper frame 310 returns to its original position, and the upper frame 310 is fixed to the corner of the plastic woven bag. The cylinder 38 is started, and the cylinder 38 drives the adjustment frame 36 to move, and the adjustment frame 36 drives the lower frame 39 to move, so that the plastic woven bag is straightened. The motor 32 is started, and the motor 32 drives the threaded rod 31 to rotate. The threaded rod 31 drives the connecting frame 34 to move horizontally, and the circular flying knife 35 cuts the plastic woven bag.

[0035] Furthermore, in this embodiment, the upper frame 310 can accurately return to its original position and fix the corner of the plastic woven bag under the action of the spring coil 311, thereby ensuring the accuracy of the cutting position. By adjusting the parameters of the cylinder 38 and the motor 32, as well as the positions of the adjustment frame 36 and the lower base frame 39, the device can adapt to plastic woven bags of different sizes and shapes, thereby improving the versatility and flexibility of the device.

[0036] Example 2:

[0037] See also Figure 1-Figure 5 , and on the basis of Example 1, it is further obtained that: the adjustment portion includes a connecting plate 51, the top surface of the connecting plate 51 is fixedly connected to the movable frame 2, two connecting plates 51 are provided in the front and rear, a positioning frame 52 is provided below the connecting plate 51, the positioning frame 52 is fixedly installed on the top surface of the fixed plate 4, the lower end of the connecting plate 51 is located inside the positioning frame 52 and is slidably connected to the inner wall of the positioning frame 52;

[0038] A positioning groove is provided on the front of the positioning frame 52, and a positioning block 53 is provided in the positioning groove. The positioning block 53 is fixedly connected to the connecting plate 51 and is slidably connected to the inner wall of the positioning groove. The left and right ends of the connecting plate 51 are hingedly provided with an electric hydraulic rod 54, and the other end of the electric hydraulic rod 54 is hinged to the fixed plate 4;

[0039] The connecting portion includes a sleeve 55, which is fixedly connected to the fixed plate 4. A sliding rod 56 is fixedly provided on the bottom surface of the mobile frame 2. The lower end of the sliding rod 56 is located inside the sleeve 55 and is slidably connected to the inner wall of the sleeve 55. A connecting spring 57 is sleeved on the outer side of the sliding rod 56. The upper and lower ends of the connecting spring 57 are fixedly connected to the sliding rod 56 and the sleeve 55 respectively.

[0040] Furthermore, in this embodiment, the electric hydraulic rod 54 is activated, the electric hydraulic rod 54 is extended and retracted, the electric hydraulic rod 54 drives the connecting plate 51 to move, and the connecting plate 51 drives the mobile frame 2 to move, so that the surface of the plastic woven bag contacts the circular flying knife 35. During the movement of the mobile frame 2, the mobile frame 2 drives the sliding rod 56 to move, and the sliding rod 56 slides in the sleeve 55 to position the mobile frame 2. At the same time, the outer side of the sliding rod 56 is provided with a connecting spring 57 to keep the device stable during operation;

[0041] Furthermore, in this embodiment, the sliding rod 56 slides within the sleeve 55 to precisely position the mobile frame 2, ensuring accuracy and stability during operation. The connecting spring 57 absorbs and mitigates vibration and impact during movement, maintaining stability during operation. This helps reduce equipment failure rates and improves production efficiency and product quality.

[0042] When in use, press the upper frame 310 to place the corner of the plastic woven bag on the lower base frame 39, and under the action of the spring turn 311, the upper frame 310 returns to its original position, and the upper frame 310 is fixed to the corner of the plastic woven bag, and the cylinder 38 is started. The cylinder 38 drives the adjusting frame 36 to move, and the adjusting frame 36 drives the lower base frame 39 to move, and the plastic woven bag is straightened, and the electric hydraulic rod 54 is started. The electric hydraulic rod 54 is retracted and the electric hydraulic rod 54 drives the connecting plate 51 to move, and the connecting plate 51 drives the moving frame 2 to move so that the surface of the plastic woven bag contacts the circular flying knife 35, and the motor 32 is started. The motor 32 drives the threaded rod 31 to rotate, and the threaded rod 31 drives the connecting frame 34 to move horizontally, and the circular flying knife 35 cuts the plastic woven bag. During the movement of the moving frame 2, the moving frame 2 drives the sliding rod 56 to move, and the sliding rod 56 slides in the sleeve 55 to position the moving frame 2. At the same time, a connecting spring 57 is provided on the outer side of the sliding rod 56 to keep the device stable during operation.

[0043] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A cold-cutting flying knife device for a plastic woven bag cutting machine, comprising a support base (1), characterized in that: Two support seats (1) are provided on the left and right sides, and a movable frame (2) is provided between the left and right support seats (1). The left and right ends of the movable frame (2) are sleeved on the outer side surfaces of the support seat (1) and are slidably connected to the support seat (1). A fixed plate (4) is provided below the movable frame (2). The left and right sides of the fixed plate (4) are fixedly connected to the adjacent support seats (1). A cutting device (3) is provided above the movable frame (2), and an adjusting device (5) is provided between the movable frame (2) and the fixed plate (4). The cutting device (3) comprises a cutting portion and a fixing portion; The adjusting device (5) comprises an adjusting portion and a connecting portion.

2. The cold-cut flying knife device of a plastic woven bag cutting machine according to claim 1, characterized in that: The cutting portion comprises a threaded rod (31), the left and right ends of the threaded rod (31) are connected to bearings close to the support seat (1), a motor (32) is fixedly arranged on the left side of the support seat (1), the output shaft of the motor (32) passes through the support seat (1) and is fixedly connected to the threaded rod (31), and a connecting frame (34) is sleeved on the outer side of the threaded rod (31), and the connecting frame (34) is threadedly connected to the threaded rod (31).

3. The cold-cut flying knife device of the plastic woven bag cutting machine according to claim 2, characterized in that: A positioning rod (33) is provided behind the threaded rod (31), and the left and right sides of the positioning rod (33) are fixedly connected to the adjacent support seat (1). The positioning rod (33) passes through the connecting frame (34) and is slidably connected to the connecting frame (34). A circular flying knife (35) is installed at the lower end of the connecting frame (34).

4. The cold-cut flying knife device of a plastic woven bag cutting machine according to claim 1, characterized in that: The fixing portion comprises an adjusting frame (36), the adjusting frame (36) being sleeved on the outer side of the moving frame (2) and being slidably connected to the moving frame (2), a placing plate (37) being provided on the left side of the adjusting frame (36), the top surface of the placing plate (37) being fixedly connected to the moving frame (2), a cylinder (38) being fixedly provided on the right side of the placing plate (37), and an output shaft of the cylinder (38) being fixedly connected to the adjusting frame (36).

5. The cold-cut flying knife device of the plastic woven bag cutting machine according to claim 4, characterized in that: A lower base frame (39) is fixedly provided on the top surface of the adjustment frame (36); an upper frame (310) is hingedly provided on the upper end of the lower base frame (39); a spring coil (311) is sleeved on the hinged joint between the lower base frame (39) and the upper frame (310); the upper and lower ends of the spring coil (311) are in contact with the upper frame (310) and the lower base frame (39) respectively; and elastic blocks (312) are fixedly provided on the adjacent ends of the lower base frame (39) and the upper frame (310).

6. The cold-cut flying knife device of a plastic woven bag cutting machine according to claim 1, characterized in that: The adjusting portion comprises a connecting plate (51), the top surface of the connecting plate (51) is fixedly connected to the movable frame (2), two connecting plates (51) are provided at the front and rear ends, a positioning frame (52) is provided below the connecting plate (51), the positioning frame (52) is fixedly mounted on the top surface of the fixed plate (4), and the lower end of the connecting plate (51) is located inside the positioning frame (52) and is slidably connected to the inner wall of the positioning frame (52).

7. The cold-cut flying knife device of a plastic woven bag cutting machine according to claim 6, characterized in that: A positioning groove is provided on the front of the positioning frame (52), a positioning block (53) is provided in the positioning groove, the positioning block (53) is fixedly connected to the connecting plate (51), the positioning block (53) is slidably connected to the inner wall of the positioning groove, and the left and right ends of the connecting plate (51) are hingedly provided with electric hydraulic rods (54), and the other end of the electric hydraulic rod (54) is hingedly connected to the fixed plate (4).

8. The cold-cut flying knife device of a plastic woven bag cutting machine according to claim 1, characterized in that: The connecting portion comprises a sleeve (55), the sleeve (55) being fixedly connected to the fixed plate (4), a sliding rod (56) being fixedly provided on the bottom surface of the mobile frame (2), the lower end of the sliding rod (56) being located inside the sleeve (55) and being slidably connected to the inner wall of the sleeve (55), a connecting spring (57) being sleeved on the outer side surface of the sliding rod (56), the upper and lower ends of the connecting spring (57) being fixedly connected to the sliding rod (56) and the sleeve (55) respectively.