Thermal shrinkage film slitting device
The lifting structure, which uses a hydraulic rod to drive the slider, solves the problem of low efficiency in changing rolls of traditional heat shrink film slitting devices, achieving rapid and efficient roll replacement and improved stability.
Patent Information
- Application Number
- CN202423099895.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-16
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2034-12-16
AI Technical Summary
Traditional heat shrink film slitting devices require repeated disassembly and tightening of bolts when changing heat shrink film rolls, resulting in low operating efficiency and poor flexibility.
The unwinding roller is driven by a hydraulic rod to slide the sliders at both ends up and down. The lifting structure facilitates the disassembly and assembly of the unwinding roller, avoids repeated turning of the bolts, and improves replacement efficiency.
It enables rapid and efficient replacement of heat shrink film rolls, improves operational flexibility and stability, and avoids the problem of repeatedly disassembling bolts during disassembly and installation.
Smart Images
Figure CN223457888U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a slitting device, concretely is a kind of heat shrinkable film slitting device, belong to film slitting device technical field. BACKGROUND
[0002] Heat shrinkable film is a kind of plastic film that will shrink after being heated, mainly applied in food, daily necessities, industrial packaging field, heat shrinkable film usually exists in the form of continuous roll in production process, its width and length are determined according to the specification of production equipment and production process. However, the size of packaging object in actual application is different, so a cutting device is needed to cut it into specified size.
[0003] However, when replacing new heat shrinkable film roll, the traditional slitting device usually removes the rotating roller for clamping heat shrinkable film roll from the equipment by manual, then fixes new heat shrinkable film roll in the center position of rotating roller, lifts up rotating roller and installs it on bearing, so when replacing new heat shrinkable film roll, rotating roller needs to be repeatedly removed from bearing seat and screwed, which causes low operation efficiency and poor flexibility. SUMMARY
[0004] The utility model discloses a heat shrinkable film slitting device, the first sliding block and the second sliding block of heat shrinkable film roll both ends are driven to slide up and down by hydraulic rod, which facilitates the disassembly and assembly of heat shrinkable film roll, avoids repeatedly rotating bolt, and improves the replacement efficiency of heat shrinkable film roll.
[0005] The utility model discloses a heat shrinkable film slitting device, including slitting machine body, the lifting structure is installed on the slitting machine body, the lifting structure includes two mounting brackets, the outer wall of slitting machine body is fixedly connected with two mounting brackets, first sliding block and second sliding block are slidably connected on two mounting brackets, the first sliding block is fixedly connected with the second sliding block between connection strip, one mounting bracket close to first sliding block is fixedly connected with hydraulic rod, the telescopic end of hydraulic rod is fixedly connected with first sliding block, the second sliding block is matched with drive structure.
[0006] Preferably, one mounting bracket close to first sliding block is slidably connected with stopper, knob is screwedly connected on the mounting bracket, knob is rotatably connected with stopper.
[0007] Preferably, one guide rod is fixedly connected on two mounting brackets, first sliding block and second sliding block are slidably connected with two guide rods, one bearing seat is fixedly connected on two mounting brackets, guide roller is rotatably connected between two bearing seats.
[0008] Preferably, the two mounting frames are both in "L" shape structure, the cross section of the stop block is in "concave" shape structure, and the cross section of the knob is in "T" shape structure.
[0009] Preferably, the driving structure comprises a rotating sleeve, the central position of the second sliding block is rotationally connected with the rotating sleeve, the upper surface of the second sliding block is fixedly connected with a mounting plate, the mounting plate is fixedly connected with a motor, one end of the rotating sleeve is fixedly connected with the output shaft of the motor, the other end of the rotating sleeve is provided with a butt joint groove, a pay-off roller is arranged between the first sliding block and the second sliding block, one end of the pay-off roller is fixedly connected with a clamping block, the clamping block and the butt joint groove are mutually clamped, and the other end of the pay-off roller is provided with a bearing sleeve.
[0010] Preferably, the bearing sleeve is arranged between the first sliding block and the stop block in abutment, and the pay-off roller is rotationally connected with the bearing sleeve.
[0011] Preferably, the cross section of the mounting plate is in "L" shape structure, and the cross section of the rotating sleeve is in "convex" shape structure.
[0012] Preferably, the butt joint groove and the clamping block are both in hexagonal structure, and a limiting structure is matched on the rotating sleeve.
[0013] Preferably, the limiting structure comprises a limiting strip, the outer wall of the rotating sleeve is slidably connected with the limiting strip, the end of the limiting strip and the rotating sleeve are fixedly connected with a tension spring, a limiting groove is arranged on the pay-off roller, and the limiting strip and the limiting groove are mutually clamped.
[0014] The slitter body is provided with a lifting structure, the outer wall of the slitter body is fixedly connected with two mounting frames, the first sliding block and the second sliding block are slidably connected with the two mounting frames respectively, the first sliding block and the second sliding block are fixedly connected with a connecting strip, the mounting frame close to the first sliding block is fixedly connected with a hydraulic rod, the extension end of the hydraulic rod is fixedly connected with the first sliding block, after the pay-off roller is installed, the hydraulic rod of one of the mounting frames drives the first sliding block to move upwards, the first sliding block drives the second sliding block to move upwards through the connecting strip, and then the first sliding block and the second sliding block drive the pay-off roller to move upwards, so that the pay-off roller with the heat shrinkable film is quickly lifted to a certain angle, the problem that the bolt needs to be repeatedly disassembled when the pay-off roller is disassembled and installed is avoided, and the replacement efficiency of the heat shrinkable film roll is improved. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a whole structure schematic view of the utility model;
[0016] Figure 2 It is Figure 1A part structure shown in the enlarged schematic view;
[0017] Figure 3 As Figure 1 B part structure shown in the enlarged schematic view;
[0018] Figure 4 The connection structure schematic diagram of the driving structure and the limiting structure of the utility model is shown in the figure;
[0019] Figure 5 The connection structure schematic diagram of the mounting frame and the guide rod of the utility model is shown in the figure.
[0020] In the figure: 1, slitting machine body;2, lifting structure;201, mounting frame;202, guide rod;203, first sliding block;204, second sliding block;205, connecting strip;206, hydraulic rod;207, stop block;208, knob;209, bearing seat;210, guide roller;3, driving structure;301, rotating sleeve;302, butt joint groove;303, mounting plate;304, motor;305, unwinding roller;306, clamping block;307, bearing sleeve;4, limiting structure;401, limiting strip;402, tension spring;403, limiting groove. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0022] Please refer to Figures 1-5As shown, a kind of heat shrinkable film slitting device, including slitting machine body 1, lifting structure 2 is installed on the slitting machine body 1, the lifting structure 2 includes two mounting frames 201, two mounting frames 201 are fixedly connected on the outer wall of the slitting machine body 1, first slider 203 and second slider 204 are slidably connected on two mounting frames 201 respectively, connecting strip 205 is fixedly connected between first slider 203 and second slider 204, hydraulic rod 206 is fixedly connected on the mounting frame 201 close to first slider 203, and the telescopic end of hydraulic rod 206 is fixedly connected with first slider 203, driving structure 3 is matched on second slider 204, stop block 207 is slidably connected on the mounting frame 201 close to first slider 203, knob 208 is threadedly connected on the mounting frame 201, and knob 208 is rotatably connected with stop block 207, one guide rod 202 is fixedly connected on two mounting frames 201, first slider 203 and second slider 204 are slidably connected with two guide rods 202 respectively, one bearing seat 209 is fixedly connected on two mounting frames 201, guide roller 210 is rotatably connected between two bearing seats 209, two mounting frames 201 are all "L" letter-shaped structure, the section of stop block 207 is "concave" letter-shaped structure, and the section of knob 208 is "T" letter-shaped structure;After installing unwinding roller 305, the hydraulic rod 206 on one of mounting frames 201 drives first slider 203 to move upwards, first slider 203 drives second slider 204 to move upwards by connecting strip 205, and then first slider 203 and second slider 204 drive unwinding roller 305 to move upwards, until the upper surface of first slider 203 and the lower surface of stop block 207 are in contact with each other, so that unwinding roller 305 with heat shrinkable film is quickly lifted to a certain angle, the problem that bolt needs to be repeatedly disassembled when unwinding roller 305 is disassembled and installed is avoided, the replacement efficiency of heat shrinkable film coiled material is improved, since first slider 203 and second slider 204 slide up and down along two guide rods 202 respectively, the stability during the up-and-down sliding of first slider 203 and second slider 204 is improved, and when the heat shrinkable film coiled material with different radius sizes is aimed at, knob 208 can be rotated to drive stop block 207 to slide up and down, so that unwinding roller 305 and heat shrinkable film coiled material can be effectively controlled at appropriate height when being lifted upwards, and the flexibility is strong.
[0023] As a technical optimization scheme of the utility model, the driving structure 3 includes rotating sleeve 301, the central position of the second sliding block 204 is rotatably connected with rotating sleeve 301, the upper surface of the second sliding block 204 is fixedly connected with mounting plate 303, motor 304 is fixedly connected on mounting plate 303, one end of rotating sleeve 301 is fixedly connected with the output shaft of motor 304, the other end of rotating sleeve 301 is provided with docking groove 302, unwinding roller 305 is arranged between the first sliding block 203 and the second sliding block 204, one end of unwinding roller 305 is fixedly connected with clamping block 306, clamping block 306 and docking groove 302 are mutually clamped, the other end of unwinding roller 305 is provided with bearing sleeve 307, bearing sleeve 307 is in abutment between the first sliding block 203 and the stop block 207, unwinding roller 305 is rotatably connected with bearing sleeve 307, the section of mounting plate 303 is "L" letter-shaped structure, the section of rotating sleeve 301 is " convex " letter-shaped structure, docking groove 302 and clamping block 306 are all hexagonal structure, limit structure 4 is matched on rotating sleeve 301;When the new roll of heat shrinkable film coiled material needs to be replaced, only the empty unwinding roller 305 is removed from the equipment, then bearing sleeve 307 is removed from unwinding roller 305, then the new roll of heat shrinkable film coiled material is clamped in the central position of unwinding roller 305, at this time, the telescopic end of hydraulic rod 206 drives the first sliding block 203 and the second sliding block 204 to move downwards to the bottom end, thereby facilitating the operator to carry the unwinding roller 305 with the heat shrinkable film coiled material to the first sliding block 203 and the second sliding block 204, at this time, the two ends of unwinding roller 305 are respectively placed on the first sliding block 203 and the second sliding block 204, then unwinding roller 305 is pushed to the direction of the second sliding block 204, so that the hexagonal clamping block 306 at the end of unwinding roller 305 is mutually clamped with the docking groove 302 provided on the second sliding block 204, after the heat shrinkable film coiled material is lifted upwards, because motor 304 is installed on the second sliding block 204 through mounting plate 303, then according to the width of heat shrinkable film and the cutting requirement, the feed guide device on the cutting machine body 1 is adjusted, the heat shrinkable film is guided through the guide roller 210 on the bearing seat 209, so that the heat shrinkable film can accurately enter the cutting area, so that the heat shrinkable film is wound on the winding roller of the equipment, the power of the equipment is turned on, the cutter on the equipment rotates rapidly, the heat shrinkable film is cut off, at the same time, in the process of conveying the heat shrinkable film, motor 304 drives rotating sleeve 301 at the central position of the second sliding block 204 to rotate, rotating sleeve 301 drives unwinding roller 305 and heat shrinkable film coiled material to rotate, so that the unwinding operation of the heat shrinkable film is realized, the heat shrinkable film is prevented from being broken under the action of tension in the unwinding process, and the practicability is high.
[0024] As a technical optimization scheme of the utility model, the limiting structure 4 includes the limiting strip 401, the outer wall of the rotating sleeve 301 is slidably connected with the limiting strip 401, the end of the limiting strip 401 and the rotating sleeve 301 are fixedly connected with the tension spring 402, the unwinding roller 305 is provided with the limiting slot 403, the limiting strip 401 and the limiting slot 403 are mutually clamped;When the unwinding roller 305 is placed on the second sliding block 204, one end of the unwinding roller 305 close to the second sliding block 204 presses the limiting strip 401, the limiting strip 401 slides downward along the inner wall of the second sliding block 204, and when the limiting slot 403 provided at the end of the unwinding roller 305 and the end of the limiting strip 401 are mutually aligned during the process of pushing the unwinding roller 305 to the second sliding block 204, the limiting strip 401 slides upward under the reset action of the tension spring 402 and is mutually clamped with the limiting slot 403, at this time, the position of the unwinding roller 305 can be effectively limited, the relative sliding between the unwinding roller 305 and the first sliding block 203 and the second sliding block 204 during the rotating process is avoided, and the stability is improved.
[0025] The utility model discloses a roll -off roller 305 is removed from the equipment only when needing to replace the new volume heat shrinkage film coiled material, then the bearing sleeve 307 is removed from the roll -off roller 305, then the new volume heat shrinkage film coiled material is clamped in the central position of roll -off roller 305, when the telescopic end of hydraulic stem 206 drives first sliding block 203 and second sliding block 204 to move to the bottom end, and then the roll -off roller 305 that re -clamped has heat shrinkage film coiled material is handled to between first sliding block 203 and second sliding block 204, when the both ends of roll -off roller 305 are respectively put on first sliding block 203 and second sliding block 204, because bearing sleeve 307 is connected between roll -off roller 305 both sliding and rotation, so can promote roll -off roller 305 to the direction of second sliding block 204, make the hexagonal clamping block 306 of roll -off roller 305 end mutual clamping between the butt joint groove 302 of second sliding block 204, simultaneously when placing roll -off roller 305 on second sliding block 204, the end of roll -off roller 305 close to second sliding block 204 presses down the limiting strip 401 along the inner wall of second sliding block 204, and simultaneously in the process of promoting roll -off roller 305 to the direction of second sliding block 204, when the limiting slot 403 of roll -off roller 305 end mutual alignment with the end of limiting strip 401, limiting strip 401 slides up under the reset action of tension spring 402, and mutual clamping between limiting slot 403, when effectively the position of roll -off roller 305 is limited, avoid the relative sliding between roll -off roller 305 and first sliding block 203 and second sliding block 204 in the process of rotating, improved stability, after installing roll -off roller 305, the hydraulic stem 206 of one mounting frame 201 drives first sliding block 203 to move up, and first sliding block 203 drives second sliding block 204 to move up through connecting strip 205, and then first sliding block 203 and second sliding block 204 drive roll -off roller 305 to move up, until the upper surface of first sliding block 203 and the lower surface of stopper 207 mutual resistance, thereby fastly lifting roll -off roller 305 that clamped heat shrinkage film to a certain angle, avoided the problem that repeatedly disassembles bolt when disassembling and installing roll -off roller 305, improved the replacement efficiency of heat shrinkage film coiled material, because first sliding block 203 and second sliding block 204 slide up and down along two guide rods 202 respectively, and then the stability in the process of sliding up and down of first sliding block 203 and second sliding block 204 is improved, and when the heat shrinkage film coiled material of different radius size is aimed at, can control roll -off roller 305 and heat shrinkage film coiled material at the appropriate height when lifting up by rotating knob 208 drive stopper 207 to slide up and down, strong flexibility, after lifting heat shrinkage film coiled material up, because motor 304 is installed on second sliding block 204 through mounting plate 303, then according to the width and cutting requirement of heat shrinkage film, adjust the feeding guide device on slitting machine body 1,Firstly, the heat shrinkable film is guided by the guide roller 210 on the bearing seat 209, so that the heat shrinkable film can accurately enter the cutting area and be wound on the winding roller of the device, the power of the device is turned on, the cutter on the device rotates rapidly, the heat shrinkable film is cut off, and in the process of conveying the heat shrinkable film, the rotating sleeve 301 at the center position of the second sliding block 204 is driven to rotate by the motor 304, the unwinding roller 305 and the heat shrinkable film roll are driven to rotate by the rotating sleeve 301, so that the unwinding operation of the heat shrinkable film is realized, the heat shrinkable film is prevented from being broken under the action of tension in the unwinding process, and the practicability is high.
[0026] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered in all aspects as illustrative and not restrictive, and the scope of the present application is defined by the appended claims rather than the above description, and it is intended to encompass all changes falling within the meaning and range of equivalents of the elements of the claims. Any reference signs in the claims should not be considered as limiting the claims to which they belong.
[0027] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that those skilled in the art can understand.
Claims
1. A heat-shrinkable film slitting apparatus comprising a slitter body (1), characterized in that: The cutting machine body (1) is provided with a lifting structure (2), the lifting structure (2) comprises two mounting racks (201), the outer wall of the cutting machine body (1) is fixedly connected with the two mounting racks (201), the first sliding block (203) and the second sliding block (204) are slidably connected to the two mounting racks (201) respectively, the connecting strip (205) is fixedly connected between the first sliding block (203) and the second sliding block (204), the hydraulic rod (206) is fixedly connected between the first sliding block (203) and the second sliding block (204), and the driving structure (3) is matched with the second sliding block (204).
2. The heat shrink film slitting apparatus of claim 1, wherein: The mounting rack (201) close to the first sliding block (203) is slidably connected with a stop block (207), and the mounting rack (201) is threadedly connected with a knob (208).
3. The heat shrink film slitting apparatus of claim 1, wherein: The mounting rack (201) is slidably connected with a stop block (207), and the mounting rack (201) is threadedly connected with a knob (208).
4. The heat shrink film slitting apparatus of claim 2, wherein: The mounting rack (201) is slidably connected with a stop block (207), and the mounting rack (201) is threadedly connected with a knob (208).
5. The heat shrink film slitting apparatus of claim 1, wherein: The mounting rack (201) is slidably connected with a stop block (207), and the mounting rack (201) is threadedly connected with a knob (208).
6. A heat shrink film slitting apparatus as defined in claim 5, wherein: The driving structure (3) comprises a rotating sleeve (301), the center of the second sliding block (204) is rotatably connected with the rotating sleeve (301), the upper surface of the second sliding block (204) is fixedly connected with a mounting plate (303), the mounting plate (303) is fixedly connected with a motor (304), one end of the rotating sleeve (301) is fixedly connected with the output shaft of the motor (304), the other end of the rotating sleeve (301) is provided with a butt joint groove (302), the first sliding block (203) and the second sliding block (204) are provided with a pay-off roller (305), one end of the pay-off roller (305) is fixedly connected with a clamping block (306), the clamping block (306) and the butt joint groove (302) are matched with each other, and the other end of the pay-off roller (305) is provided with a bearing sleeve (307).
7. A heat shrinkable film slitting apparatus as defined in claim 5, wherein: The first sliding block (203) and the stop block (207) are in contact with the bearing sleeve (307), and the pay-off roller (305) and the bearing sleeve (307) are rotatably connected.
8. A heat shrink film slitting apparatus as defined in claim 7, wherein: The mounting plate (303) is in the form of an "L" shape, and the rotating sleeve (301) is in the form of a "convex" shape. The butt joint groove (302) and the clamping block (306) are both hexagonal structures, and the rotating sleeve (301) is matched with a limiting structure (4).
9. A heat shrink film slitting apparatus as defined in claim 8, wherein: The limiting structure (4) comprises a limiting strip (401), the outer wall of the rotating sleeve (301) is slidably connected with the limiting strip (401), the end of the limiting strip (401) and the rotating sleeve (301) are fixedly connected with a tension spring (402), the unwinding roller (305) is provided with a limiting groove (403), and the limiting strip (401) and the limiting groove (403) are clamped with each other.