A cutting device for producing PVC packaging materials
By designing a cutting device including the first and second stress plates, and fixing the PVC packaging material with an elastic mechanism, the problems of material offset and jitter during cutting are solved, and an efficient and flush cutting effect is achieved.
Patent Information
- Application Number
- CN202421294665.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-07
- Publication Date
- 2025-04-11
- Estimated Expiration
- 2034-06-07
AI Technical Summary
In the prior art, when cutting PVC packaging materials, the material is not effectively fixed, resulting in shifting and jittering during cutting, causing skew and uneven cutting, affecting production efficiency.
A cutting device including a first resistive plate and a second resistive plate is designed, and the second resistive plate is driven by an elastic mechanism to inflect the first resistive plate, fix the PVC packaging material, and cut the fixing material through a cutting blade.
Effectively prevent PVC packaging materials from shifting and jittering during cutting, ensuring high cutting fluency, reducing the generation of defective products, and improving production efficiency.
Smart Images
Figure CN222741584U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of packaging material cutting, and in particular to a cutting device for producing PVC packaging materials. Background Art
[0002] PVC is a synthetic polymer material, its chemical name is polyvinyl chloride. PVC packaging bags are a kind of plastic packaging bags, which are pressed from PVC film. The PVC roll film material is first sliced, and then printed, hot-pressed with a high-frequency machine, and then made into various packaging bags. PVC packaging bags have good heat resistance, corrosion resistance, wear resistance, tensile resistance, abrasion resistance, flame retardancy, and water resistance, and are often used for packaging of higher-end goods.
[0003] In the prior art, most of the cutting blades are driven by a motor to slide so as to cut the PVC packaging materials passing through the cutting platform. Although such a cutting method is convenient and fast, the PVC packaging materials are not fixed during cutting, and the sliding direction of the cutting blade is perpendicular to the moving direction of the PVC packaging materials. This causes the PVC packaging materials to be easily offset and shaken when the cutting blade slides, resulting in skewness of the PVC packaging materials and defective products with low cutting flatness, which easily affects the production efficiency of the PVC packaging materials. In order to reasonably improve this problem, the present application proposes a cutting device for the production of PVC packaging materials. Utility Model Content
[0004] The purpose of the present application is to solve the technical problem that, in the prior art, the PVC packaging material is not fixed during cutting, and the sliding direction of the cutting blade is perpendicular to the moving direction of the PVC packaging material, which causes the PVC packaging material to easily deviate and shake when the cutting blade slides, thereby causing the PVC packaging material to become skewed and defective products with low cutting flatness, which easily affects the production efficiency of the PVC packaging material. The present application provides a cutting device for the production of PVC packaging materials.
[0005] In order to achieve the above-mentioned purpose, this application specifically adopts the following technical solutions:
[0006] A cutting device for producing PVC packaging materials, comprising:
[0007] The box body has an inlet and an outlet respectively provided on opposite sides thereof;
[0008] A feeding mechanism, which is installed inside the box and is used to convey PVC packaging materials;
[0009] A first abutment plate is constructed on the box body and on the same side as the discharge port, and its top surface is in the same plane as the bottom edge of the discharge port;
[0010] The mounting plate is vertically slidably arranged on the top of the first resistance plate, and the second resistance plate is slidably mounted on the bottom of the mounting plate. An elastic mechanism is mounted on the mounting plate, which is used to drive the second resistance plate to slide toward the first resistance plate. A cutting blade is mounted on the bottom of the mounting plate, and a through groove is opened in the middle of the second resistance plate, which is used to pass the cutting blade;
[0011] The driving mechanism is arranged on the box body and is used for driving the mounting plate to slide.
[0012] Furthermore, the top of the second contact plate is symmetrically structured with two plug posts, which are respectively located at opposite ends of the through slot, and the bottom of the mounting plate is matched with a slot, and the plug posts are slidably matched with the slot.
[0013] Furthermore, the elastic mechanism includes a compression spring arranged inside the slot, and two ends of the compression spring are respectively in contact with the plug post and the inner wall of the slot.
[0014] Furthermore, rubber rings are installed on the mounting plate, the number of which is consistent with the number of the plug posts, and the inner sides of the two rubber rings are respectively in active contact with the outer sides of the two plug posts.
[0015] Furthermore, the driving mechanism includes an electric push rod installed on the top of the box body, the top of the box body is symmetrically constructed with a fixed plate, and a movable plate is hinged between the two ends. The movable end of the electric push rod and the top of the mounting plate are both connected to connecting blocks, and the two ends of the movable plate are respectively hinged to the two connecting blocks.
[0016] Furthermore, the distance between the mounting plate and the fixing plate is greater than the distance between the electric push rod and the fixing plate.
[0017] Furthermore, waist holes are provided at both ends of the movable plate, and guide pillars are constructed on the top of the connecting blocks, and the two guide pillars are respectively slidably tangent to the inner walls of the two waist holes.
[0018] Furthermore, a roller is rotatably mounted on the outer side of the guide column, and the roller rolls tangent to the inner wall of the waist hole.
[0019] Furthermore, a cutting groove is configured at the top of the first contact plate for accommodating a cutting blade.
[0020] The beneficial effects of this application are as follows:
[0021] The present application adopts a matching design of the first contact plate and the second contact plate. When the driving mechanism drives the mounting plate to slide downward, the second contact plate will contact the first contact plate under the action of the elastic mechanism. At this time, the second contact plate can contact the PVC packaging material on the top of the first contact plate. As the mounting plate continues to slide, the cutting blade will pass through the through groove and cut the fixed PVC packaging material. Compared with the prior art, the present application fixes the PVC packaging material through the first contact plate and the second contact plate, so that it is not easy to deviate and shake during cutting, and the PVC packaging material is not easy to be skewed or the cutting flatness is not high, so that it is not easy to affect the production efficiency of the PVC packaging material. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] Figure 1 It is a three-dimensional structural diagram of this application;
[0023] Figure 2 This application Figure 1 A partial structural cross-sectional view;
[0024] Figure 3 This application Figure 2 A magnified image of point A;
[0025] Figure 4 This application Figure 1 A half-section schematic diagram of the structure;
[0026] Figure numerals: 1. Box body; 2. Feeding port; 3. Discharging port; 4. Feeding mechanism; 5. First contact plate; 6. Mounting plate; 7. Second contact plate; 8. Cutting blade; 9. Through slot; 10. Driving mechanism; 11. Insert column; 12. Slot; 13. Compression spring; 14. Rubber ring; 15. Electric push rod; 16. Fixed plate; 17. Movable plate; 18. Connecting block; 19. Waist hole; 20. Guide column; 21. Roller; 22. Cutting slot. DETAILED DESCRIPTION
[0027] In order to make the purpose, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application.
[0028] like Figure 1-Figure 4 As shown, a cutting device for producing PVC packaging materials proposed in one embodiment of the present application includes:
[0029] The box body 1 has an inlet 2 and an outlet 3 on opposite sides thereof, and the PVC packaging material passes through the inlet 2, the box body 1 and the outlet 3 in sequence;
[0030] A feeding mechanism 4 is installed inside the box 1. The feeding mechanism 4 is specifically two conveying rollers driven by a motor to rotate relative to each other. This is a prior art and is used to convey PVC packaging materials.
[0031] The first abutment plate 5 is constructed on the box body 1 and on the same side as the discharge port 3. Its extension direction is consistent with the direction of the discharge port 3, and its top surface is in the same plane as the bottom edge of the discharge port 3. After the PVC packaging material passes through the discharge port 3, it will contact the top of the first abutment plate 5;
[0032] The mounting plate 6 is vertically slidably arranged on the top of the first abutment plate 5. The mounting plate 6 is slidably mounted on the box body 1, and a second abutment plate 7 is slidably mounted on the bottom thereof. An elastic mechanism is mounted on the mounting plate 6, which is used to drive the second abutment plate 7 to slide toward the first abutment plate 5. A cutting blade 8 is mounted on the bottom of the mounting plate 6. A through slot 9 is provided in the middle of the second abutment plate 7, which is used to pass the cutting blade 8. When the mounting plate 6 slides toward the first abutment plate 5, the second abutment plate 7 will abut against the first abutment plate 5 under the action of the elastic mechanism. At this time, the second abutment plate 7 can abut the PVC packaging material on the top of the first abutment plate 5. As the mounting plate 6 continues to slide, the cutting blade 8 will pass through the through slot 9 and cut the fixed PVC packaging material. Subsequently, the mounting plate 6 can slide in a direction away from the first abutment plate 5. The second abutment plate 7 will move away from the mounting plate 6 under the action of the elastic mechanism, so that the cutting blade 8 can be stored through the through slot 9.
[0033] A driving mechanism 10, which is disposed on the box body 1 and is used to drive the mounting plate 6 to slide;
[0034] The present application adopts a matching design of the first contact plate 5 and the second contact plate 7. When the driving mechanism 10 drives the mounting plate 6 to slide downward, the second contact plate 7 will contact the first contact plate 5 under the action of the elastic mechanism. At this time, the second contact plate 7 can contact the PVC packaging material on the top of the first contact plate 5. As the mounting plate 6 continues to slide, the cutting blade 8 will pass through the through groove 9 and cut the fixed PVC packaging material. Compared with the prior art, the present application fixes the PVC packaging material through the first contact plate 5 and the second contact plate 7, so that it is not easy to deviate and shake during cutting, and the PVC packaging material is not easy to be skewed or the cutting flatness is not high, so that it is not easy to affect the production efficiency of the PVC packaging material.
[0035] like Figure 2 and Figure 3As shown, in some embodiments, the top of the second contact plate 7 is symmetrically constructed with two pins 11, and are respectively located at opposite ends of the through slot 9. A slot 12 is provided at the bottom of the mounting plate 6, and the pins 11 are slidably engaged with the slot 12. The second contact plate 7 is slidably engaged with the mounting plate 6 through the pins 11 and the slot 12.
[0036] like Figure 2 and Figure 3 As shown, in some embodiments, the elastic mechanism includes a compression spring 13 arranged inside the slot 12, and its two ends respectively contact the plug post 11 and the inner wall of the slot 12, and the compression spring 13 is arranged at the top of the plug post 11, and is used to provide a thrust forcing the plug post 11 to move in the direction away from the slot 12. When the mounting plate 6 slides toward the first contact plate 5 and the second contact plate 7 contacts the first contact plate 5, the compression spring 13 will be compressed under the extrusion of the plug post 11, and when the mounting plate 6 slides in the direction away from the first contact plate 5, the compression spring 13 can push the plug post 11 to move in the direction away from the slot 12, so as to make the second contact plate 7 move away from the mounting plate 6.
[0037] like Figure 2 and Figure 3 As shown, in some embodiments, a rubber ring 14 is installed on the mounting plate 6, and the rubber ring 14 is a rubber ring 14. The rubber ring 14 is installed in the notch of the slot 12, and the number of the rubber ring 14 is consistent with the number of the plug posts 11, and the inner sides of the two rubber rings 14 are respectively in active contact with the outer sides of the two plug posts 11. With such a design, when the compression spring 13 pushes the plug post 11 to move away from the slot 12, the friction resistance between the outer side of the plug post 11 and the inner side of the rubber ring 14 can consume the kinetic energy absorbed by the compression spring 13, thereby reducing the vibration of the compression spring 13 and facilitating the rapid resetting of the second contact plate 7.
[0038] like Figure 1 , Figure 2 and Figure 4 As shown, in some embodiments, the driving mechanism 10 includes an electric push rod 15 installed on the top of the box body 1, and the top of the box body 1 is symmetrically constructed with a fixed plate 16, and a movable plate 17 is hinged between the ends of the two. The movable end of the electric push rod 15 and the top of the mounting plate 6 are both connected with a connecting block 18, and the two ends of the movable plate 17 are respectively hinged to the two connecting blocks 18. When the movable end of the electric push rod 15 is in an extended state, it can push one end of the movable plate 17 to lift up, and at this time the other end of the movable plate 17 moves downward, thereby driving the mounting plate 6 to slide downward, and when the movable end of the electric push rod 15 is in a retracted state, it pushes one end of the movable plate 17 to move downward, and at this time the other end of the movable plate 17 is lifted, thereby driving the mounting plate 6 to slide upward.
[0039] like Figure 4As shown, in some embodiments, the distance between the mounting plate 6 and the fixed plate 16 is greater than the distance between the electric push rod 15 and the fixed plate 16, and the distance between the mounting plate 6 and the movable plate 17 at the hinged part is greater than the distance between the electric push rod 15 and the movable plate 17 at the hinged part. The lever principle is adopted here to make the power arm of the movable plate 17 shorter and the resistance arm longer, so as to expand the stroke of the mounting plate 6 when the electric push rod 15 moves.
[0040] like Figure 4 As shown, in some embodiments, waist holes 19 are provided at both ends of the movable plate 17, and guide pillars 20 are constructed on the top of the connecting block 18. The two guide pillars 20 are respectively tangential to the inner walls of the two waist holes 19. When the movable end of the electric push rod 15 is in an extended state, the guide pillar 20 of the connecting block 18 thereon will conflict with the inner wall of one of the waist holes 19 and slide therein, thereby pushing one end of the movable plate 17 to lift. At this time, the other end of the movable plate 17 moves downward, and the inner wall of the other waist hole 19 can conflict with the guide pillar 20 of the connecting block 18 on the mounting plate 6, and force it to slide in the waist hole 19, thereby driving the mounting plate 6 to slide downward. Conversely, when the movable end of the electric push rod 15 is in a retracted state, it can push the movable plate 17 to rotate along the hinge point, thereby driving the mounting plate 6 to slide upward.
[0041] like Figure 4 As shown, in some embodiments, a roller 21 is rotatably installed on the outer side of the guide column 20, and the roller 21 rolls tangentially with the inner wall of the waist hole 19, so that the sliding friction between the guide column 20 and the inner wall of the waist hole 19 can be converted into rolling friction between the roller 21 and the inner wall of the waist hole 19, thereby reducing the friction resistance of the guide column 20 when it moves.
[0042] like Figure 1 and Figure 4 As shown, in some embodiments, a cutting groove 22 is constructed on the top of the first contact plate 5, which is used to accommodate the cutting blade 8. Such a design allows the cutting blade 8 to enter the cutting groove 22 after completing the cutting during the cutting process of the PVC packaging material, and is not easy to collide with the first contact plate 5, thereby extending the service life of the cutting blade 8.
[0043] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.
Claims
1. A cutting device for producing PVC packaging materials, characterized in that: include: The box body (1) has an inlet (2) and an outlet (3) respectively formed on opposite sides thereof; A feeding mechanism (4) is installed inside the box (1) and is used to transport PVC packaging materials; A first abutment plate (5) is constructed on the box body (1) and is located on the same side as the discharge port (3), and its top surface is located in the same plane as the bottom edge of the discharge port (3); A mounting plate (6) is vertically slidably arranged on the top of the first contact plate (5), and a second contact plate (7) is slidably mounted on the bottom of the mounting plate (6). An elastic mechanism is mounted on the mounting plate (6) for driving the second contact plate (7) to slide toward the first contact plate (5). A cutting blade (8) is mounted on the bottom of the mounting plate (6). A through groove (9) is provided in the middle of the second contact plate (7) for passing the cutting blade (8); A driving mechanism (10) is arranged on the box body (1) and is used to drive the mounting plate (6) to slide.
2. The cutting device for producing PVC packaging materials according to claim 1, characterized in that: The second contact plate (7) has two symmetrically structured plug posts (11) on the top, which are respectively located at opposite ends of the through slot (9). The bottom of the mounting plate (6) is provided with a slot (12), and the plug posts (11) are slidably engaged with the slot (12).
3. The cutting device for producing PVC packaging materials according to claim 2, characterized in that: The elastic mechanism comprises a compression spring (13) arranged inside the slot (12), and two ends of the compression spring are respectively in contact with the plug post (11) and the inner wall of the slot (12).
4. The cutting device for producing PVC packaging materials according to claim 3, characterized in that: The mounting plate (6) is provided with rubber rings (14), the number of which is the same as the number of the plug posts (11), and the inner sides of the two rubber rings (14) are in active contact with the outer sides of the two plug posts (11) respectively.
5. The cutting device for producing PVC packaging materials according to claim 1, characterized in that: The driving mechanism (10) comprises an electric push rod (15) mounted on the top of a box body (1); the top of the box body (1) is symmetrically structured with a fixed plate (16); a movable plate (17) is hinged between the ends of the two plates; the movable end of the electric push rod (15) and the top of the mounting plate (6) are both connected to a connecting block (18), and the two ends of the movable plate (17) are respectively hinged to the two connecting blocks (18).
6. The cutting device for producing PVC packaging materials according to claim 5, characterized in that: The distance between the mounting plate (6) and the fixing plate (16) is greater than the distance between the electric push rod (15) and the fixing plate (16).
7. The cutting device for producing PVC packaging materials according to claim 6, characterized in that: Both ends of the movable plate (17) are provided with waist holes (19), and the top of the connecting block (18) is provided with guide pillars (20), and the two guide pillars (20) are respectively slidably tangent to the inner walls of the two waist holes (19).
8. The cutting device for producing PVC packaging materials according to claim 7, characterized in that: A roller (21) is rotatably mounted on the outer side of the guide column (20), and the roller (21) rolls tangentially with the inner wall of the waist hole (19).
9. The cutting device for producing PVC packaging materials according to claim 1, characterized in that: The top of the first contact plate (5) is configured with a cutting groove (22) for accommodating a cutting blade (8).