PVC co-extrusion device trimming mechanism

Abstract

The utility model discloses a trimming mechanism for a PVC co-extrusion device, specifically relates to the technical field of PVC production, and includes a co-extrusion device body, wherein four corners of the bottom of the co-extrusion device body are provided with universal wheels, a support frame is provided on the top of the co-extrusion device body, a placement mechanism is provided on one side of the support frame, a winding mechanism is provided on the other side of the support frame, two stretching mechanisms are provided inside the support frame, two adjustment mechanisms are provided on the top of the support frame, dust suction mechanisms are provided on both sides of the inner wall of the support frame, and the two adjustment mechanisms include two slides opened on the top of the support frame, an electric telescopic rod 1 is provided inside the two slides, a first slider is provided at one end of the electric telescopic rod 1, and the first slider is connected to the slide. The utility model enables the device to achieve the function of facilitating the replacement of cutting blades, and solves the problem that failure to replace the blade in time will lead to film rot, which seriously affects normal production.

Description

Technical Field

[0001] The utility model relates to the technical field of PVC production, and more specifically to a trimming mechanism of a PVC co-extrusion device. Background Art

[0002] PVC film has gradually won people's favor with its good performance, simple process and many other advantages, and has been accepted and recognized by more and more people. PVC material has the characteristics of light weight, heat insulation, thermal insulation, moisture resistance, flame retardancy, and easy construction. It has a variety of specifications, colors, and patterns and is highly decorative. It can be used for a series of decorations such as interior walls, windows, floors and ceilings of living rooms. It is one of the most widely used decorative materials among plastic materials.

[0003] According to the patent application announcement number: CN215395494U, a high-speed PVC film trimming device is disclosed, wherein a support frame is fixedly connected to the middle of the trimming frame, a moving mechanism is fixedly connected to one end of the support frame, and a laser rangefinder is fixedly connected to the inside of the moving mechanism. This structure can accurately determine the position of the trimming knife through the laser rangefinder, and can accurately position the trimming of the PVC film according to the trimming requirements, thereby improving the accuracy of trimming and improving the quality of trimming.

[0004] However, the above device may have the following problems during use: the mechanism uses a moving mechanism to move the trimming knife to cut the PVC. The structure does not have the function of facilitating the replacement of the trimming knife. The blade wears quickly. Failure to replace the blade in time will cause film rot, seriously affecting normal production. Utility Model Content

[0005] In order to overcome the above defects of the prior art, the utility model provides a trimming mechanism for a PVC co-extrusion device to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] The trimming mechanism of a PVC co-extrusion device comprises a co-extrusion device body, four corners of the bottom of the co-extrusion device body are provided with universal wheels, a support frame is provided on the top of the co-extrusion device body, a placing mechanism is provided on one side of the support frame, a winding mechanism is provided on the other side of the support frame, two stretching mechanisms are provided inside the support frame, two adjustment mechanisms are provided on the top of the support frame, dust suction mechanisms are provided on both sides of the inner wall of the support frame, the two adjustment mechanisms each comprise two slide grooves opened on the top of the support frame, an electric telescopic rod 1 is provided inside the two slide grooves, and one end of the electric telescopic rod 1 is provided There is a first slider, which is connected to the slide groove, a connecting block is provided at the bottom of the first slider, a cavity is opened inside the connecting block, a vertical plate is provided inside the cavity, a moving rod is provided on one side of the vertical plate, a handle is provided on one side of the moving rod, screws are provided on both sides of the moving rod, one end of the two screws passes through the connecting block and extends to the outside of the connecting block, a friction plate is provided on the other side of the vertical plate, a trimming knife is provided on one side of the friction plate, a pad is provided on one side of the trimming knife, the pad is connected to the cavity, and the above technical scheme is adopted to facilitate the replacement of the trimming knife of the device.

[0008] As a further description of the above technical solution: the placement mechanism includes two support plates arranged on one side of the support frame, a connecting frame is arranged on the top of the two support plates, a first rotating rod is arranged inside the connecting frame, first connecting rods are arranged on both sides of the first rotating rod, connecting plates are arranged on both sides of the two connecting frames, one ends of the two first connecting rods pass through the connecting frame and the connecting plate in sequence, and extend to the outside of the connecting plate, a movable plate is arranged at one end of the first connecting rod, and a spring is arranged on the outside of the first connecting rod. The above technical solution is adopted to facilitate the maintenance and replacement of the PVC film sleeved on the first rotating rod.

[0009] As a further description of the above technical scheme: the winding mechanism includes two fixed blocks arranged on the other side of the support frame, a second connecting rod is arranged between the two fixed blocks, a collecting rod is sleeved on the outside of the second connecting rod, second rotating rods are arranged on both sides of the second connecting rod, connecting rings are arranged on the outsides of the two second rotating rods, the second connecting rod and the second rotating rod are connected by a connecting ring, one end of one of the second rotating rods passes through the fixed block and extends to the outside of the fixed block, one end of the second rotating rod is connected to a motor, and a motor box is arranged on the outside of the motor, and the two stretching mechanisms include two extension grooves opened on both sides of the inner wall of the support frame, an electric telescopic rod 2 is arranged inside the two extension grooves, a second slider is arranged at one end of the electric telescopic rod 2, a third rotating rod is arranged on one side of the second slider, and a sleeve is sleeved on the outside of the third rotating rod. By adopting the above technical scheme, the tension of the PVC film can be adjusted to make the PVC film flat.

[0010] As a further description of the above technical solution: the two dust suction mechanisms each include air outlets opened on both sides of the inner wall of the support frame, and filter screens are arranged inside the two air outlets, and an air collecting hood is arranged on one side of the air outlet, and a ventilation pipe is arranged on one side of the air collecting hood, and an exhaust fan is arranged at one end of the ventilation pipe, and the exhaust fan is connected to the support frame, and two drawers are slidably connected inside the support frame, and a pull plate is arranged on one side of the two drawers, and the cross-section of the pull plate is arranged to be L-shaped. The above technical solution is adopted to facilitate the collection of waste materials after cutting.

[0011] Technical effects and advantages of the utility model:

[0012] 1. By setting the coordinated use of the adjustment mechanism, the placement mechanism and the winding mechanism, when the trimming knife needs to be replaced after long-term use, the moving rod is pulled by the handle, and the moving rod drives the vertical plate and the friction plate to no longer squeeze the trimming knife, so that the device can achieve the function of facilitating the replacement of the cutting blade, solving the problem that the film will be rotten if the blade is not replaced in time, which seriously affects the normal production. In addition, the first connecting rod is driven to slide by the moving plate in the placement mechanism, so that the first connecting rod is removed from the first rotating rod, which is convenient for repairing and replacing the PVC film sleeved on the first rotating rod. The motor in the winding mechanism drives the collecting rod to rotate, and the PVC film is collected on the collecting rod. After the collection is completed, the connecting ring between the second connecting rod and the second rotating rod is removed, which is convenient for collecting the collected PVC film.

[0013] 2. By setting a stretching mechanism and a dust suction mechanism, when the PVC film is collected on the collecting rod, the PVC film passes through the upper surface of the sleeve, and the height of the third rotating rod is adjusted by the electric telescopic rod, so that the third rotating rod drives the PVC film to lift upward, the tension of the PVC film can be adjusted to make the PVC film flat, and the fertilizer produced by cutting is guided and collected by the dust suction mechanism and collected into the drawer for centralized treatment, so as to avoid the waste produced by cutting affecting the cutting work. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0015] Figure 2 It is a schematic diagram of the rear side structure of the utility model.

[0016] Figure 3 It is a schematic diagram of the stretching structure of the utility model.

[0017] Figure 4 This is a schematic diagram of the connection block structure of the utility model.

[0018] Figure 5 This is a schematic diagram of the support frame structure of the utility model.

[0019] The accompanying drawings are marked as follows: 1. co-extrusion device body; 2. universal wheel; 3. support frame; 4. electric telescopic rod one; 5. first slider; 6. connecting block; 7. cavity; 8. vertical plate; 9. moving rod; 10. handle; 11. screw; 12. friction plate; 13. trimming knife; 14. pad; 15. support plate; 16. connecting frame; 17. first rotating rod; 18. first connecting rod; 19. moving plate; 20. spring; 21. fixed block; 22. second connecting rod; 23. collecting rod; 24. second rotating rod; 25. connecting ring; 26. motor box; 27. electric telescopic rod two; 28. sleeve; 29. ​​air collecting hood; 30. ventilation duct; 31. exhaust fan; 32. drawer; 33. pull plate. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] The present application embodiment discloses Figure 1-5The trimming mechanism of the PVC co-extrusion device shown specifically includes a co-extrusion device body 1, and universal wheels 2 are provided at the four corners of the bottom of the co-extrusion device body 1, a support frame 3 is provided on the top of the co-extrusion device body 1, a placing mechanism is provided on one side of the support frame 3, and a winding mechanism is provided on the other side of the support frame 3, two stretching mechanisms are provided inside the support frame 3, two adjusting mechanisms are provided on the top of the support frame 3, and dust suction mechanisms are provided on both sides of the inner wall of the support frame 3, and the two adjusting mechanisms include two slide grooves opened on the top of the support frame 3, and electric telescopic rods 4 are provided inside the two slide grooves, and a first slider 5 is provided at one end of the electric telescopic rod 4, and the first slider 5 is connected to the slide groove, and a connecting block 6 is provided at the bottom of the first slider 5, and a cavity 7 is opened inside the connecting block 6, and a vertical plate 8 is provided inside the cavity 7, and a moving rod 9 is provided on one side of the vertical plate 8, and the A handle 10 is provided on one side of the moving rod 9, and screw rods 11 are provided on both sides of the moving rod 9. One ends of the two screw rods 11 penetrate the connecting block 6 and extend to the outside of the connecting block 6. A friction plate 12 is provided on the other side of the vertical plate 8, and a trimming knife 13 is provided on one side of the friction plate 12. A pad 14 is provided on one side of the trimming knife 13, and the pad 14 is connected to the cavity 7. The distance of the trimming knife 13 is adjusted according to the size of the PVC film. The electric telescopic rod 4 drives the first slider 5 to slide inside the slide groove, and the connecting block 6 at the bottom of the first slider 5 drives the trimming knife 13 to cut. When the trimming knife 13 needs to be replaced after long-term use, the moving rod 9 is pulled by the handle 10, and the moving rod 9 drives the vertical plate 8 and the friction plate 12 to stop squeezing the trimming knife 13, so that the device can achieve the function of facilitating the replacement of the cutting blade, thereby solving the problem that failure to replace the blade in time will cause film rot, seriously affecting normal production.

[0022] Reference Figure 1 and Figure 5 As shown, the placement mechanism includes two support plates 15 arranged on one side of the support frame 3, and a connecting frame 16 is arranged on the top of the two support plates 15. A first rotating rod 17 is arranged inside the connecting frame 16, and first connecting rods 18 are arranged on both sides of the first rotating rod 17. Connecting plates are arranged on both sides of the two connecting frames 16. One ends of the two first connecting rods 18 pass through the connecting frame 16 and the connecting plate in sequence, and extend to the outside of the connecting plate. A movable plate 19 is arranged at one end of the first connecting rod 18, and a spring 20 is sleeved on the outside of the first connecting rod 18. The first connecting rod 18 is driven to slide by the movable plate 19 in the placement mechanism, so that the first connecting rod 18 is removed from the first rotating rod 17, so as to facilitate the maintenance and replacement of the PVC film sleeved on the first rotating rod 17. When the PVC film needs to be installed, the above steps are repeated in reverse.

[0023] Reference Figure 2 As shown, the winding mechanism includes two fixed blocks 21 arranged on the other side of the support frame 3, a second connecting rod 22 is arranged between the two fixed blocks 21, a collecting rod 23 is sleeved on the outside of the second connecting rod 22, second rotating rods 24 are arranged on both sides of the second connecting rod 22, and connecting rings 25 are arranged on the outsides of the two second rotating rods 24. The second connecting rod 22 and the second rotating rod 24 are connected by the connecting ring 25, one end of one of the second rotating rods 24 passes through the fixed block 21 and extends to the outside of the fixed block 21, one end of the second rotating rod 24 is connected to a motor, and a motor box 26 is arranged on the outside of the motor, and the two stretching mechanisms include two extension grooves opened on both sides of the inner wall of the support frame 3, and the insides of the two extension grooves are provided with two electric telescopic rods. 27, a second slider is provided at one end of the electric telescopic rod 27, a third rotating rod is provided at one side of the second slider, a sleeve 28 is provided on the outer side of the third rotating rod, when the PVC film is collected on the collecting rod 23, the collecting rod 23 is driven to rotate by the motor in the winding mechanism to collect the PVC film on the collecting rod 23, after the collection is completed, the connecting ring 25 between the second connecting rod 22 and the second rotating rod 24 is removed to facilitate the collection of the collected PVC film, the PVC film passes through the upper surface of the sleeve 28, the height of the third rotating rod is adjusted by the electric telescopic rod, so that the third rotating rod drives the PVC film to lift upward, the tension of the PVC film can be adjusted, and the PVC film becomes flat, the PVC film becomes flatter, and it is convenient for the trimming knife 13 to cut the two sides of the PVC film, thereby improving the cutting effect.

[0024] Reference Figure 1 and Figure 3 As shown, the two dust collection mechanisms include air outlets opened on both sides of the inner wall of the support frame 3, and the two air outlets are provided with filter screens inside. A wind collecting hood 29 is provided on one side of the air outlet, and a ventilation pipe 30 is provided on one side of the wind collecting hood 29. An exhaust fan 31 is provided at one end of the ventilation pipe 30, and the exhaust fan 31 is connected to the support frame 3. Two drawers 32 are slidably connected inside the support frame 3, and a pull plate 33 is provided on one side of the two drawers 32. The cross section of the pull plate 33 is set to L shape, through the wind collecting hood 2 9 is convenient for concentrating the wind force generated by the exhaust fan 31, which can more effectively collect the trimming waste. The exhaust fan 31 is indirectly started, and the suction force generated by the exhaust fan 31 is transmitted to the air collecting hood 29 through the ventilation pipe 30, so that the air collecting hood 29 attracts the trimming waste through the airflow generated by the suction force. The filter net prevents the waste from entering the air collecting hood 29, so that the waste falls into the inside of the drawer 32 under the action of gravity. The pull plate 33 on one side of the drawer 32 is pulled to pull the drawer 32 out of the support frame 3, and the waste collected in the drawer 32 is centrally processed.

[0025] The working principle of the utility model is as follows: first, the distance of the edge cutting knife 13 is adjusted according to the size of the PVC film, the electric telescopic rod 4 drives the first sliding block 5 to slide inside the sliding groove, and the connecting block 6 at the bottom of the first sliding block 5 drives the edge cutting knife 13 to cut. When the edge cutting knife 13 needs to be replaced after long-term use, the moving rod 9 is pulled by the handle 10, and the moving rod 9 drives the vertical plate 8 and the friction plate 12 to stop squeezing the edge cutting knife 13, so that the device can achieve the function of facilitating the replacement of the cutting blade, which solves the problem that the film will be rotten if the blade is not replaced in time, which is serious The problem of seriously affecting normal production is then solved by sleeve-mounting the PVC film to be trimmed onto the first rotating rod 17, and driving the first connecting rod 18 to slide through the movable plate 19 in the placement mechanism, so that the first connecting rod 18 is removed from the first rotating rod 17, so as to facilitate the replacement of the PVC film sleeved on the first rotating rod 17. When the PVC film needs to be installed, the above reverse steps can be repeated. When the PVC film is collected on the collecting rod 23, the collecting rod 23 is driven to rotate by the motor in the winding mechanism, and the PVC film is collected on the collecting rod 23;

[0026] After the collection is completed, the connecting ring 25 between the second connecting rod 22 and the second rotating rod 24 is removed to facilitate the collection of the collected PVC film. The PVC film passes through the upper surface of the sleeve 28, and the height of the third rotating rod is adjusted by the electric telescopic rod, so that the third rotating rod drives the PVC film to lift upward, and the tension of the PVC film can be adjusted to make the PVC film flat. The PVC film becomes flatter, which is convenient for the trimming knife 13 to cut the two sides of the PVC film, thereby improving the cutting effect. The exhaust fan is conveniently placed through the wind collecting hood 29 The wind force generated by 31 can be concentrated to collect the trimming waste more effectively, and the exhaust fan 31 is indirectly started, and the suction force generated by the exhaust fan 31 is transmitted to the air collecting hood 29 through the ventilation pipe 30, so that the air collecting hood 29 attracts the trimming waste through the airflow generated by the suction force, and the filter net prevents the waste from entering the air collecting hood 29, so that the waste falls into the inside of the drawer 32 under the action of gravity, and the pull plate 33 on one side of the drawer 32 is pulled to pull the drawer 32 out of the support frame 3, and the waste collected in the drawer 32 is centrally processed.

[0027] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A trimming mechanism for a PVC co-extrusion device, comprising a co-extrusion device body (1), characterized in that: Universal wheels (2) are arranged at the four corners of the bottom of the co-extrusion device body (1), a support frame (3) is arranged at the top of the co-extrusion device body (1), a placing mechanism is arranged on one side of the support frame (3), a winding mechanism is arranged on the other side of the support frame (3), two stretching mechanisms are arranged inside the support frame (3), two adjustment mechanisms are arranged on the top of the support frame (3), and dust suction mechanisms are arranged on both sides of the inner wall of the support frame (3); The two adjustment mechanisms each comprise two slide grooves opened at the top of the support frame (3), an electric telescopic rod (4) is arranged inside the two slide grooves, a first slider (5) is arranged at one end of the electric telescopic rod (4), the first slider (5) is connected to the slide groove, a connecting block (6) is arranged at the bottom of the first slider (5), a cavity (7) is opened inside the connecting block (6), a vertical plate (8) is arranged inside the cavity (7), and a moving rod is arranged on one side of the vertical plate (8). (9), a handle (10) is provided on one side of the moving rod (9), screw rods (11) are provided on both sides of the moving rod (9), one end of each of the two screw rods (11) passes through the connecting block (6) and extends to the outside of the connecting block (6), a friction plate (12) is provided on the other side of the vertical plate (8), a trimming knife (13) is provided on one side of the friction plate (12), a pad (14) is provided on one side of the trimming knife (13), and the pad (14) is connected to the cavity (7).

2. The trimming mechanism of the PVC co-extrusion device according to claim 1, characterized in that: The placement mechanism comprises two support plates (15) arranged on one side of the support frame (3), a connecting frame (16) is arranged on the top of the two support plates (15), a first rotating rod (17) is arranged inside the connecting frame (16), first connecting rods (18) are arranged on both sides of the first rotating rod (17), connecting plates are arranged on both sides of the two connecting frames (16), one end of the two first connecting rods (18) passes through the connecting frame (16) and the connecting plate in sequence and extends to the outside of the connecting plate, a movable plate (19) is arranged at one end of the first connecting rod (18), and a spring (20) is sleeved on the outside of the first connecting rod (18).

3. The trimming mechanism of the PVC co-extrusion device according to claim 1, characterized in that: The winding mechanism comprises two fixed blocks (21) arranged on the other side of the support frame (3), a second connecting rod (22) is arranged between the two fixed blocks (21), a collecting rod (23) is sleeved on the outside of the second connecting rod (22), second rotating rods (24) are arranged on both sides of the second connecting rod (22), and connecting rings (25) are arranged on the outside of the two second rotating rods (24), the second connecting rod (22) and the second rotating rod (24) are connected by the connecting ring (25), one end of one of the second rotating rods (24) passes through the fixed block (21) and extends to the outside of the fixed block (21), one end of the second rotating rod (24) is connected to a motor, and a motor box (26) is arranged on the outside of the motor.

4. The trimming mechanism of the PVC co-extrusion device according to claim 1, characterized in that: The two stretching mechanisms each comprise two extension grooves formed on both sides of the inner wall of the support frame (3), the interior of each of the two extension grooves being provided with an electric telescopic rod (27), one end of the electric telescopic rod (27) being provided with a second slider, one side of the second slider being provided with a third rotating rod, the exterior of the third rotating rod being provided with a sleeve (28).

5. The trimming mechanism of the PVC co-extrusion device according to claim 1, characterized in that: The two dust collecting mechanisms each comprise air outlets opened on both sides of the inner wall of the support frame (3), filter screens are arranged inside the two air outlets, an air collecting hood (29) is arranged on one side of the air outlet, a ventilation pipe (30) is arranged on one side of the air collecting hood (29), an exhaust fan (31) is arranged at one end of the ventilation pipe (30), and the exhaust fan (31) is connected to the support frame (3).

6. The trimming mechanism of the PVC co-extrusion device according to claim 1, characterized in that: Two drawers (32) are slidably connected inside the support frame (3), and a pull plate (33) is provided on one side of each of the two drawers (32), and the cross section of the pull plate (33) is set to be L-shaped.

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