Edge cutting device for production of PVC foam board signboard

By combining the electrothermal cutting wire and the guide plate structure, the problems of increased cutting resistance and board offset in the PVC foam board sign cutting device are solved, achieving a flat cutting surface and the ability to cut to different widths.

CN224103115UActive Publication Date: 2026-04-10SHANXI BAFANG ELECTRIC CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-22
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

Existing PVC foam board sign cutting devices suffer from increased cutting resistance and rough burrs after the blades wear down. They also tend to cause horizontal displacement deviation of the board, resulting in arc-shaped cut surface defects.

Method used

Using an electrothermal cutting wire instead of traditional mechanical blades, combined with a guide plate and guide rod structure, burrs are eliminated through thermal melting cutting, and an adjustment component is used to achieve precise positioning and cutting of plates of different widths.

Benefits of technology

It effectively solves the problem of rough cuts, prevents horizontal displacement of the board, ensures a flat cut surface, and adapts to the cutting needs of boards of different widths.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a PVC foam board signboard production trimming device, and relates to the technical field of foam board trimming, the PVC foam board signboard production trimming device comprises an equipment shell, a conveying structure, a guide structure, a composite roller bed structure, a cutting structure and a dust collection structure, the equipment shell comprises a box body and foam board channels respectively arranged on two side surfaces of the box body, the rubber baffle is fixedly installed on the inner wall of the foaming plate channel, and the conveying structure is arranged in the box body and comprises a first conveying roller and a second conveying roller which are rotationally connected to the inner wall of the box body. The device has the advantages that the electric heating cutting wire cutting technology is adopted to replace a traditional mechanical cutter, the burr problem is effectively eliminated through the hot melting cutting principle, the rough notch phenomenon caused by cutting edge abrasion is avoided, the front face and the back face of the PVC foaming board signboard can be limited through the first guide plate and the second guide plate, and the service life of the PVC foaming board signboard is prolonged. And the defect of an arc-shaped cutting surface caused by horizontal deviation of the PVC foam board signboard is prevented.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of foamed sheet edge cutting, especially relates to a PVC foamed sheet signboard production edge cutting device. BACKGROUND

[0002] PVC foamed sheet signboard becomes the preferred material in modern advertising and display fields owing to its unique performance, and the edge cutting link in the production of PVC foamed sheet signboard is a key process affecting the quality of finished products.

[0003] China authorized announcement No. CN220074890U discloses a kind of edge cutting device for PVC foamed sheet production, related to edge cutting device technical field, including edge trimmer main body and adjusting mechanism, the middle surface of the edge trimmer main body is provided with conveyor belt, for the adjusting mechanism of the position of the convenience is set in the upper part of the middle part of conveyor belt.The edge cutting device for PVC foamed sheet production compared with prior art, by starting motor can make second threaded rod rotate, to drive second sliding block to move up and down in second sliding groove, so that adjusting platform can be adjusted height up and down, by left and right dials moving block in third sliding groove, the distance of two edge cutting heads can be adjusted, by rotating limit screw can fix moving block, so it can be adjusted according to the different thickness and width of PVC foamed sheet to cut edge, increase the device cutting use range, enhance the practicality and flexibility of device, by conveyor belt can make PVC foamed sheet cut edge automatically move.

[0004] But the device has the following defects when in use: the device uses conveyor belt to cooperate with roller to drive PVC foamed sheet signboard to move and contact cutter head, although it can cut PVC foamed sheet signboard, but it is found in practical application that when cutter continuously cuts, blade edge will be worn, resulting in increased cutting resistance, so that the edge of plate produces relatively rough burr, at the same time, the increase of cutting resistance can cause the friction between roller and plate to decrease, easily cause horizontal displacement deviation of PVC foamed sheet signboard, cause arc-shaped cutting surface.According to the above-mentioned defects: for this reason, we propose a kind of edge cutting device for PVC foamed sheet signboard production. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the shortcomings in the prior art and provides an edge cutting device for PVC foamed sheet signboard production.

[0006] In order to solve the problems existing in the prior art, the utility model adopts the following technical scheme: an edge cutting device for PVC foamed sheet signboard production, comprising:

[0007] The equipment shell comprises a box body, foamed sheet channels respectively opened in the two side surfaces of the box body, and rubber baffles fixedly installed on the inner walls of the foamed sheet channels.

[0008] A conveying structure is arranged inside the box body, which comprises a first conveying roller and a second conveying roller rotatably connected to the inner wall of the box body respectively, two supporting pads fixedly installed on the inner wall of the box body respectively, and a driving assembly arranged on the outer surface of the box body for driving the first conveying roller and the second conveying roller to rotate;

[0009] A guiding structure is arranged inside the box body, which comprises two groups of guiding rods symmetrically fixedly installed on the inner wall of the box body respectively, two track blocks slidingly installed on the surface of the two groups of guiding rods, a first guiding plate fixedly installed on the upper surface of the track blocks, and an adjusting assembly arranged inside the box body for adjusting the distance between the two track blocks;

[0010] A composite roller structure is arranged on the inner wall of the box body for enhancing the stability of the conveying of the foamed board;

[0011] A cutting structure is arranged inside the box body for cutting the foamed board;

[0012] A dust suction structure is arranged inside the box body for absorbing the odor and dust generated by cutting.

[0013] Preferably, the driving assembly comprises a first pulley and a second pulley rotatably connected to the front surface of the box body respectively, and a motor fixedly installed on the back surface of the box body, and the first pulley and the second pulley are drivingly connected through a belt.

[0014] Preferably, the shaft end of the motor is fixedly connected to the shaft end of the back surface of the first conveying roller, and the shaft ends of the front surfaces of the first conveying roller and the second conveying roller are fixedly connected to the shaft ends of the back surfaces of the first pulley and the second pulley respectively.

[0015] Preferably, the adjusting assembly comprises a threaded column rotatably connected to the inner wall of the box body, two nut seats screwingly driven on the surface of the threaded column respectively, a second guiding plate fixedly installed on the upper surface of the nut seat, and support rods fixedly connected to the two ends of the two nut seats, and the other ends of the support rods are fixedly connected to one side of the track block.

[0016] Preferably, the surface of the threaded column is provided with two sections of threads with opposite screwing directions, and the back surface of the threaded column extends to the outside of the box body and is provided with a knob.

[0017] Preferably, the composite roller structure comprises a supporting frame slidingly installed on the inner wall of the box body, two sub-rollers rotatably connected to the inner wall of the supporting frame symmetrically, and an electric telescopic rod fixedly installed on the upper surface of the box body, and the telescopic end of the electric telescopic rod is fixedly connected to the upper surface of the supporting frame.

[0018] Preferably, the dust suction structure comprises an exhaust fan fixedly installed on the upper surface of the box body, the air inlet end of the exhaust fan extends to the inside of the box body, and the air outlet end of the exhaust fan is connected with an external waste gas treatment system.

[0019] Preferably, the cutting structure comprises a connecting frame fixedly installed on one side of the second guide plate, and an electric heating cutting wire fixedly installed on the inner wall of the connecting frame and connected with an external electric heating wire cutting machine.

[0020] Preferably, the box body is fixedly provided with a lifting frame on each side, and a guide wheel is rotatably connected to the inner wall of the lifting frame.

[0021] Compared with the prior art, the utility model has the advantages that:

[0022] 1. The electric heating cutting wire cutting technology is used to replace the traditional mechanical cutter, the burr problem is effectively eliminated through the hot melting cutting principle, the rough cutting phenomenon caused by the blade wear is solved, the front and back surfaces of the PVC foamed board signboard are limited by the first guide plate and the second guide plate, and the arc-shaped cutting surface defects caused by the horizontal deviation of the PVC foamed board signboard are prevented.

[0023] 2. The interval between the two nut seats can be changed by the adjusting assembly, the interval between the first guide plate and the second guide plate is changed at this time, the cutting structure is synchronously moved at this time, and thus the PVC foamed board signboard with different widths can be cut. BRIEF DESCRIPTION OF DRAWINGS

[0024] The drawings described herein are used to provide further understanding of the utility model, and the schematic embodiments of the utility model and the description thereof are used to explain the utility model and do not constitute improper limitation. In the drawings:

[0025] Figure 1 It is a first perspective view of the utility model;

[0026] Figure 2 It is a second perspective view of the utility model;

[0027] Figure 3 It is a front view of the box body of the utility model;

[0028] Figure 4 It is a side view of the box body of the utility model;

[0029] Figure 5 It is a perspective view of the guide structure of the utility model;

[0030] Figure 6 It is a perspective view of the support frame of the utility model.

[0031] The figure serial number: 10 box, 11 rubber baffle, 20 first conveying roller, 21 second conveying roller, 22 support pad, 30 guide rod, 31 track block, 32 first guide plate, 40 first pulley, 41 second pulley, 42 motor, 50 threaded column, 51 nut base, 52 second guide plate, 53 support rod, 54 knob, 60 support frame, 61 sub roller, 62 electric telescopic rod, 70 exhaust fan, 80 link frame, 81 electric heating cutting wire, 90 lifting frame, 91 guide wheel. DETAILED DESCRIPTION

[0032] 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.

[0033] Please refer to Figures 1-6 The utility model provides a kind of technical solutions: a PVC foamed board signboard production edge cutting device, comprising: equipment shell, conveying structure, guide structure, composite roller bed structure, cutting structure and dust extraction structure.

[0034] Equipment shell includes box 10, foamed board passage being respectively arranged in the both sides of box 10, and rubber baffle 11 being fixedly installed in the inner wall of foamed board passage, the both sides of box 10 are fixedly installed with lifting frame 90, and the inner wall of lifting frame 90 is rotatably connected with guide wheel 91, PVC foamed board signboard can be lifted using lifting frame 90 in cooperation with guide wheel 91, and PVC foamed board signboard can be simultaneously driven to slide into box 10.

[0035] Conveying structure is arranged in the inside of box 10, which includes first conveying roller 20 and second conveying roller 21 being rotatably connected in the inner wall of box 10 respectively, two support pads 22 being fixedly installed in the inner wall of box 10 respectively, and driving assembly for driving first conveying roller 20 and second conveying roller 21 to rotate being arranged on the outer surface of box 10, driving assembly includes first pulley 40 and second pulley 41 being rotatably connected on the front of box 10 respectively, and motor 42 being fixedly installed on the back of box 10, and first pulley 40 and second pulley 41 are connected by belt transmission, the shaft end of motor 42 is fixedly connected with the shaft end on the back of first conveying roller 20, the shaft end on the front of first conveying roller 20 and second conveying roller 21 is fixedly connected with the shaft end on the back of first pulley 40 and second pulley 41 respectively, driving motor 42 can drive first conveying roller 20 to rotate, so that first pulley 40 can be rotated, using the transmission of belt, so that second pulley 41 can be rotated, and then second conveying roller 21 and first conveying roller 20 can be synchronously rotated.

[0036] The composite roller structure is arranged on the inner wall of the box 10, and is used for enhancing the stability of the foamed plate conveying. The composite roller structure comprises a support frame 60 slidingly arranged on the inner wall of the box 10, two auxiliary rollers 61 symmetrically and rotatably connected to the inner wall of the support frame 60, and an electric telescopic rod 62 fixedly arranged on the upper surface of the box 10, and the telescopic end of the electric telescopic rod 62 is fixedly connected to the upper surface of the support frame 60. The inner wall of the box 10 is provided with a track groove for sliding of the support frame 60. The driving of the electric telescopic rod 62 can drive the support frame 60 to slide up and down on the inner wall of the box 10, so as to adjust the spacing between the two auxiliary rollers 61 and the first conveying roller 20 and the second conveying roller 21. When the PVC foamed plate sign enters the box 10, the friction force generated between the two auxiliary rollers 61 and the first conveying roller 20 and the second conveying roller 21 is utilized, so as to drive the PVC foamed plate sign to be conveyed to the left side.

[0037] The guide structure is arranged in the box 10, and comprises two groups of guide rods 30 symmetrically and fixedly arranged on the inner wall of the box 10, two track blocks 31 slidingly arranged on the surfaces of the two groups of guide rods 30, a first guide plate 32 fixedly arranged on the upper surface of the track block 31, and an adjusting assembly arranged in the box 10 and used for adjusting the spacing between the two track blocks 31. The adjusting assembly comprises a threaded column 50 rotatably connected to the inner wall of the box 10, two nut seats 51 screwingly arranged on the surface of the threaded column 50, a second guide plate 52 fixedly arranged on the upper surface of the nut seat 51, and a support rod 53 fixedly connected to one side of the track block 31 and arranged at the two ends of the two nut seats 51. The surface of the threaded column 50 is provided with two threads with opposite screwing directions. The back surface of the threaded column 50 extends to the outside of the box 10 and is provided with a knob 54. The rotation of the knob 54 can drive the threaded column 50 to rotate. The screwing transmission between the threaded column 50 and the two nut seats 51 can drive the two nut seats 51 to move close to or away from each other, and drive the two groups of first guide plates 32 and the two second guide plates 52 to move close to or away from each other. The front surface and the back surface of the PVC foamed plate sign can be limited by the two groups of first guide plates 32 and the two second guide plates 52, so as to avoid horizontal movement of the PVC foamed plate sign and prevent the horizontal deviation of the PVC foamed plate sign from causing an arc-shaped cutting surface defect during cutting.

[0038] The cutting structure is arranged in the interior of the box body 10 and is used for cutting the foamed plate, and the cutting structure comprises a connecting frame 80 fixedly arranged on one side of the second guide plate 52 and an electric heating cutting wire 81 fixedly arranged on the inner wall of the connecting frame 80, the electric heating cutting wire 81 is connected with an external electric heating wire cutting machine, the electric heating cutting wire 81 can be heated by using the external electric heating wire cutting machine, when the conveying structure drives the PVC foamed plate sign to convey to the left side, at this time, the PVC foamed plate sign will contact the electric heating cutting wire 81, so that the two sides of the PVC foamed plate sign can be cut, the electric heating cutting wire 81 cutting technology is used to replace the traditional mechanical cutter, the burr problem is effectively eliminated through the hot melting cutting principle, and the rough cutting phenomenon caused by the blade wear is solved.

[0039] The interval between the two nut bases 51 can be changed by using the adjusting assembly, at this time, the interval between the first guide plate 32 and the second guide plate 52 is changed, at this time, the cutting structure is synchronously moved, so that the PVC foamed plate sign with different widths can be cut.

[0040] The dust suction structure is arranged in the interior of the box body 10 and is used for sucking the smell and smoke dust generated in the cutting, the dust suction structure comprises an exhaust fan 70 fixedly arranged on the upper surface of the box body 10, the air inlet end of the exhaust fan 70 extends to the interior of the box body 10, the air outlet end of the exhaust fan 70 is connected with an external waste gas treatment system, when the cutting structure cuts the two sides of the PVC foamed plate sign, the smoke dust generated is exhausted into the external waste gas treatment system by using the exhaust fan 70.

[0041] Specifically, the working principle and the operation method of the utility model are as follows:

[0042] The plate conveying stage: the foamed plate slides into the closed box body 10 through the guide wheel 91, the rubber baffle 11 forms a flexible transition, the first conveying roller 20 and the second conveying roller 21 and the auxiliary roller 61 constitute a pressure roller, and the motor 42 keeps the synchronous speed through the belt transmission;

[0043] The positioning adjusting stage: the threaded column 50 drives the symmetrical first guide plate 32 and the second guide plate 52 to synchronously displace, the precise centering and positioning of the PVC foamed plate sign is realized, the electric telescopic rod 62 adjusts the pressure of the auxiliary roller 61 in real time, and the conveying stability of the plate with different thicknesses is ensured.

[0044] The cutting processing stage: the preheated electric heating cutting wire cuts the PVC foamed plate sign in movement through hot melting, and the cut plate is stably guided out through the outlet guide wheel.

[0045] The above merely describes the preferred specific implementation manner of the utility model, but the protection scope of the utility model is not limited to this, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the conception of the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A PVC foamed board sign production edge cutting device, characterized in that, The utility model provides a foamed board cutting device, including: Device shell, the device shell includes the box (10), the foamed board channel that sets up respectively in the both side surface of box (10) and the rubber baffle (11) that fixed mounting is in the inner wall of foamed board channel, Conveying structure, the inside of box (10) is provided with, it includes first conveying roller (20) and second conveying roller (21) that rotate respectively in the inner wall of box (10), two support pads (22) that fixed mounting are in the inner wall of box (10) respectively, and the drive assembly that is set up in the outer surface of box (10) is used to drive first conveying roller (20) and second conveying roller (21) rotation, Guide structure, the inside of box (10) is provided with, it includes two groups of guide rods (30) that fixed mounting are in the inner wall of box (10) respectively, two track blocks (31) that are slidably installed on the surface of two groups of guide rods (30), first guide plate (32) that fixed mounting is on the upper surface of track block (31), and the adjusting assembly that is set up in the inside of box (10) is used for adjusting the interval of two track blocks (31), Composite roller structure, the inner wall of box (10) is provided with, for enhancing the stability of foamed board conveying, Cutting structure, the inside of box (10) is provided with, for cutting foamed board, Dust extraction structure, the inside of box (10) is provided with, for absorbing the smell and smoke dust generated by cutting.

2. The PVC foamed board sign production edge cutting device according to claim 1, characterized in that: The drive assembly includes first pulley (40) and second pulley (41) that rotate respectively in the front of box (10), and motor (42) that fixed mounting is in the back of box (10), and first pulley (40) and second pulley (41) are drivenly connected through belt.

3. The PVC foamed board sign production edge cutting device according to claim 2, characterized in that: The shaft end of motor (42) is fixedly connected with the shaft end of the back of first conveying roller (20), and the shaft end of the front of first conveying roller (20) and second conveying roller (21) is fixedly connected with the shaft end of the back of first pulley (40) and second pulley (41) respectively.

4. The PVC foamed board sign production edge cutting device according to claim 1, characterized in that: The adjusting assembly includes screw column (50) that rotates in the inner wall of box (10), two nut seats (51) that screw transmission are on the surface of screw column (50) respectively, second guide plate (52) that fixed mounting is on the upper surface of nut seat (51), and both ends of two nut seats (51) are fixedly connected with support rod (53), and the other end of support rod (53) is fixedly connected with one side of track block (31).

5. The PVC foamed board sign production edge cutting device according to claim 4, characterized in that: The surface of screw column (50) is provided with two sections of screw threads with opposite directions, and the back of screw column (50) extends to the outside of box (10), and is provided with knob (54).

6. The PVC foamed board sign production edge cutting device according to claim 1, characterized in that: The composite roller structure includes support frame (60) that slidably installs in the inner wall of box (10), two vice rollers (61) that rotate symmetrically in the inner wall of support frame (60), and electric telescopic rod (62) that fixed mounting is on the upper surface of box (10), and the telescopic end of electric telescopic rod (62) is fixedly connected with the upper surface of support frame (60).

7. The PVC foamed board sign production edge cutting device according to claim 1, characterized in that: The dust suction structure comprises an exhaust fan (70) fixedly installed on the upper surface of the box body (10), the air inlet end of the exhaust fan (70) extends to the inside of the box body (10), and the air outlet end of the exhaust fan (70) is connected with an external waste gas treatment system.

8. The PVC foamed board sign production edge cutting device according to claim 4, characterized in that: The cutting structure comprises a connecting frame (80) fixedly installed on one side of the second guide plate (52), and an electric heating cutting wire (81) fixedly installed on the inner wall of the connecting frame (80), wherein the electric heating cutting wire (81) is connected with an external electric heating wire cutting machine.

9. The PVC foamed board sign production edge cutting device according to claim 4, characterized in that: The box body (10) is provided with lifting frames (90) fixedly installed on the two side surfaces respectively, and the inner wall of each lifting frame (90) is rotatably connected with a guide wheel (91).

Citation Information

Patent Citations

  • Edge cutting device for PVC foam board production

    CN220074890U