Plastic film slitting device

Abstract

The utility model discloses a plastic film slitting device. The device comprises a device body and pressing mechanisms, the pressing mechanisms are arranged at the two ends of the top end of the device body, each pressing mechanism comprises fixing frames arranged at the two ends of the top end of the device body, fixing rods evenly penetrate through the interiors of the fixing frames, a cavity is formed in each fixing rod, and sliding grooves are formed in the two ends of each cavity. And a movable block is arranged in the sliding groove in a sliding mode, a pressing plate is arranged at the bottom end of the movable block, a spring abuts against the top end of the movable block, and a protective pad is arranged at the bottom end of the pressing plate. Through the arrangement of the pressing mechanism, the fixing frame, the pressing plate, the movable block, the fixing rod, the sliding groove, the spring and the device body, when a plastic film passes through the interior of the fixing frame, the spring is used for driving the pressing plate to move downwards and abut against the plastic film, the plastic film is tightened, and the device can stably cut the plastic film; and the slitting effect of the device is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic film processing, in particular to a plastic film slitting device. Background Art

[0002] Plastic film is a common daily necessity. Plastic film has the advantages of good transparency, good moisture resistance, excellent heat resistance, easy use, low price, etc., and is widely used in various industries. In the production process of plastic film, in order to prepare plastic film of different widths, it is necessary to slit the plastic film. Generally, a slitting device is set between the feeding roller and the receiving roller, and then the feeding roller and the receiving roller cooperate to cut.

[0003] A current slitting device for plastic film processing, as described in the patent with publication number CN216686832U, comprises: a body, which is pre-placed on the ground, and a support plate is installed on the right side of the body; a driving mechanism, which is connected to a driving motor; an adjusting frame, which is installed above the body; a slitting mechanism, which is connected to a connecting mechanism, and the slitting mechanism is installed above an operating table, and a movable connection is adopted between the slitting mechanism and the connecting mechanism; a rotating shaft, which is installed outside the connecting mechanism, and the rotating shaft is installed inside the matching block, and the rotating shaft is hollow. During the use of the slitting device for plastic film processing, the distance between the slitting mechanism and the operating table can be cut according to actual needs, so as to facilitate the cutting of films or other items of different thicknesses, and the distance between the slitting mechanisms can also be adjusted during use, so as to better cut the film.

[0004] With respect to the above-mentioned related technologies, the applicant believes that when the device cuts the film, the plastic film is easily deviated due to insufficient tension during the cutting process, resulting in poor quality of the cut product. Utility Model Content

[0005] The purpose of the utility model is to provide a plastic film slitting device to solve the problems of the device proposed in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a plastic film slitting device, comprising a device body and a pressing mechanism, wherein the pressing mechanism is arranged at two ends of the top of the device body, and the pressing mechanism comprises a fixing frame arranged at two ends of the top of the device body, and the interior of the fixing frame is evenly penetrated by fixing rods, and a cavity is provided inside the fixing rod, and sliding grooves are provided at both ends of the cavity, and a movable block is slidably provided inside the sliding groove, and a pressure plate is provided at the bottom end of the movable block, a spring is abutted against the top of the movable block, and a protective pad is provided at the bottom end of the pressure plate.

[0007] By adopting the above technical solution, the spring is used to drive the pressure plate to move downward and press against the plastic film, so that the plastic film is tightened, so that the device can stably cut the plastic film, effectively improving the slitting effect of the device.

[0008] Preferably, a limiting mechanism is arranged inside the fixing rod, and the limiting mechanism comprises a limiting cover arranged above the inside of the fixing rod, a handle is arranged on the top of the limiting cover, and external threads are evenly arranged on the outside of the limiting cover.

[0009] By adopting the above technical solution, the limit cover can be removed from the inside of the fixing rod by rotating the limit cover, thereby facilitating the replacement of the spring inside the fixing rod.

[0010] Preferably, a thread groove is provided on the upper part of the interior of the fixing rod, and the thread groove matches the external thread.

[0011] By adopting the above technical solution, the limiting cover can be conveniently fixed.

[0012] Preferably, a control switch is provided in the middle part of one side of the device body, and a processing table is provided in the middle part of the top of the device body.

[0013] By adopting the above technical solution, the plastic film can be easily supported.

[0014] Preferably, two groups of the fixing frames are provided, and the fixing frames are arranged above the processing table.

[0015] By adopting the above technical solution, the cut plastic film can be effectively tightened.

[0016] Preferably, a slitting mechanism is provided at the top of the device body, and the slitting mechanism includes support seats arranged on both sides of the top of the device body, an electric push rod is provided at the top of the inner surface of the support seat, a fixed seat is provided at the output end of the electric push rod, a rotating motor is provided on one side of the fixed seat, a rotating roller is provided at the output end of the rotating motor, slitting knives are evenly arranged on the outside of the rotating roller, and the rotating roller is rotatably connected to the fixed seat at one end away from the rotating motor.

[0017] By adopting the above technical solution, the height of the slitting knife can be adjusted.

[0018] Preferably, cutting grooves are evenly formed on the top of the processing table, and the cutting grooves are arranged directly below the slitting knife.

[0019] By adopting the above technical solution, the plastic film can be cut conveniently.

[0020] Compared with the prior art, the beneficial effects of the utility model are:

[0021] 1. The device is provided with a pressing mechanism, a fixing frame, a pressing plate, a movable block, a fixing rod, a sliding groove, a spring and a device body. When the plastic film passes through the fixing frame, the pressing plate is driven by the spring to move downward and press against the plastic film, so that the plastic film is tightened, so that the device can stably cut the plastic film, effectively improving the slitting effect of the device;

[0022] 2. By providing a fixing rod, a spring, a limiting mechanism, a handle, a limiting cover and an external thread, the limiting cover can be removed from the inside of the fixing rod by rotating the limiting cover, thereby facilitating the replacement of the spring inside the fixing rod and effectively improving the practicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0024] Figure 2 This is a side view of the structure of the slitting mechanism of the utility model;

[0025] Figure 3 This is a side view of the structure of the fixing frame of the utility model;

[0026] Figure 4 This is a schematic diagram of the internal structure of the fixing rod of the utility model;

[0027] Figure 5 For this utility model Figure 4 Enlarged structural diagram at A in the middle.

[0028] In the figure: 1. pressing mechanism; 101. fixing frame; 102. pressing plate; 103. movable block; 104. fixing rod; 105. sliding groove; 106. spring; 2. device body; 3. slitting mechanism; 301. supporting seat; 302. rotating roller; 303. electric push rod; 304. rotating motor; 305. fixing seat; 306. slitting knife; 4. control switch; 5. processing table; 6. limiting mechanism; 601. handle; 602. limiting cover; 603. external thread. DETAILED DESCRIPTION

[0029] 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 embodiments of 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 in 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.

[0030] Embodiment 1

[0031] See also Figures 1 to 5 The utility model provides a technical solution: a plastic film slitting device, comprising a device body 2 and a pressing mechanism 1, the pressing mechanism 1 is arranged at both ends of the top of the device body 2, the pressing mechanism 1 comprises a fixing frame 101 arranged at both ends of the top of the device body 2, the fixing frame 101 can provide bearing capacity; the fixing frame 101 is evenly penetrated by a fixing rod 104, the fixing rod 104 is provided with a cavity, both ends of the cavity are provided with a sliding groove 105, the sliding groove 105 is provided with a movable block 103 for sliding, the movable block 103 It can be easily moved up and down. A pressing plate 102 is provided at the bottom end of the movable block 103. A spring 106 is abutted against the top end of the movable block 103. The elasticity of the spring 106 can drive the movable block 103 to move downward inside the sliding groove 105, thereby driving the pressing plate 102 to move downward and abut against the plastic film, so that the plastic film is tightened during operation, so that the device can stably cut the plastic film, and effectively improves the slitting effect of the device; a protective pad is provided at the bottom end of the pressing plate 102 to protect the plastic film.

[0032] Embodiment 2

[0033] A limiting mechanism 6 is arranged inside the fixed rod 104, and the limiting mechanism 6 includes a limiting cover 602 arranged above the inside of the fixed rod 104; the top end of the spring 106 abuts against the limiting cover 602, which can facilitate the limiting of the spring 106; a handle 601 is arranged on the top of the limiting cover 602, which can facilitate the rotation of the limiting cover 602; external threads 603 are evenly arranged on the outside of the limiting cover 602; a thread groove is opened on the top of the inside of the fixed rod 104, and the thread groove is consistent with the external thread 603. By rotating the handle 601, the external thread 603 on the limiting cover 602 can be separated from the internal thread groove of the fixed rod 104, so that the limiting cover 602 can be removed from the inside of the fixed rod 104, so as to facilitate the replacement of the spring 106 inside the fixed rod 104.

[0034] Embodiment 3

[0035] A control switch 4 is provided in the middle part of one side of the device body 2, and a processing table 5 is provided in the middle part of the top of the device body 2, which can conveniently support the plastic film; two groups of fixing frames 101 are provided, and the fixing frames 101 are arranged above the processing table 5, which can effectively tighten the cut plastic film; a slitting mechanism 3 is provided at the top of the device body 2, and the slitting mechanism 3 includes support seats 301 arranged on both sides of the top of the device body 2, and the support seats 301 can provide bearing capacity; an electric push rod 303 is provided at the top of the inner surface of the support seat 301, and a fixing seat 305 is provided at the output end of the electric push rod 303, and a rotating motor 304 is provided on one side of the fixing seat 305, and the control switch The switch 4 is electrically connected to the electric push rod 303 and the rotating motor 304 respectively; the output end of the rotating motor 304 is provided with a rotating roller 302, and the outside of the rotating roller 302 is evenly provided with a slitting knife 306. By utilizing the operation of the rotating motor 304, the slitting knife 306 can be driven to rotate through the transmission of the rotating roller 302, so that the plastic film on the processing table 5 can be slid; the end of the rotating roller 302 away from the rotating motor 304 is rotatably connected to the fixed seat 305, which can improve the stability of the rotating roller 302 when moving; the top of the processing table 5 is evenly provided with cutting grooves, which are arranged just below the slitting knife 306, so as to facilitate the slitting of the plastic film.

[0036] Working principle: First, turn on the power, then pass the plastic film between the fixed frame 101 and the processing table 5, and the two ends of the plastic film are respectively connected to the external feeding roller and the collecting roller, and then the elasticity of the spring 106 can drive the movable block 103 to move downward inside the sliding groove 105, so as to drive the pressing plate 102 to move downward and against the plastic film, so that the plastic film is tightened during operation, so that the device can stably cut the plastic film, effectively improving the slitting effect of the device;

[0037] Secondly, the electric push rod 303 is started by the control switch 4 to work, thereby driving the rotating roller 302 to move up and down, so that the device can adjust the height of the slitting knife 306, and then the slitting knife 306 can be driven to rotate through the transmission of the rotating roller 302 by the operation of the rotating motor 304, so that the plastic film on the processing table 5 can be cut;

[0038] Finally, after the device has been working for a long time, the elasticity of the spring 106 inside the fixing rod 104 will be weak, thereby affecting the tightening effect of the pressure plate 102 on the plastic film. By rotating the handle 601, the external thread 603 on the limit cover 602 can be separated from the internal thread groove of the fixing rod 104, so that the limit cover 602 can be removed from the fixing rod 104, thereby facilitating the replacement of the spring 106 inside the fixing rod 104, effectively improving the practicability of the device.

[0039] Although embodiments of the present invention have been shown and described, it will be appreciated 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 that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A plastic film slitting device, characterized in that: include: Device body (2); A pressing mechanism (1), the pressing mechanism (1) being arranged at two ends of the top of the device body (2), the pressing mechanism (1) comprising a fixing frame (101) arranged at two ends of the top of the device body (2), a fixing rod (104) evenly penetrating the interior of the fixing frame (101), a cavity being provided inside the fixing rod (104), a sliding groove (105) being provided at both ends of the cavity, a movable block (103) being slidably provided inside the sliding groove (105), a pressing plate (102) being provided at the bottom end of the movable block (103), a spring (106) being abutted against the top end of the movable block (103), and a protective pad being provided at the bottom end of the pressing plate (102); A limiting mechanism (6) is arranged inside the fixing rod (104), and the limiting mechanism (6) comprises a limiting cover (602) arranged above the inside of the fixing rod (104), a handle (601) being arranged at the top of the limiting cover (602), and external threads (603) being uniformly arranged on the outside of the limiting cover (602).

2. A plastic film slitting device according to claim 1, characterized in that: A thread groove is provided on the upper part of the interior of the fixing rod (104), and the thread groove matches the external thread (603).

3. A plastic film slitting device according to claim 1, characterized in that: A control switch (4) is provided in the middle portion of one side of the device body (2), and a processing table (5) is provided in the middle portion of the top end of the device body (2).

4. A plastic film slitting device according to claim 1, characterized in that: Two groups of the fixing frames (101) are provided, and the fixing frames (101) are arranged above the processing table (5).

5. The plastic film slitting device according to claim 1, characterized in that: A slitting mechanism (3) is arranged at the top of the device body (2), and the slitting mechanism (3) comprises a support seat (301) arranged on both sides of the top of the device body (2), an electric push rod (303) is arranged at the top of the inner surface of the support seat (301), a fixed seat (305) is arranged at the output end of the electric push rod (303), a rotating motor (304) is arranged on one side of the fixed seat (305), a rotating roller (302) is arranged at the output end of the rotating motor (304), slitting knives (306) are evenly arranged on the outside of the rotating roller (302), and one end of the rotating roller (302) away from the rotating motor (304) is rotatably connected to the fixed seat (305).

6. A plastic film slitting device according to claim 3, characterized in that: The top of the processing table (5) is evenly provided with cutting grooves, which are arranged directly below the slitting knife (306).

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