Corrugated sheet cutting device

Abstract

The application discloses a corrugated plate cutting device and relates to the cutting technical field.The device comprises a workbench, support legs fixedly connected to the bottom of the workbench, a first conveying mechanism and a second conveying mechanism arranged on the workbench, a mounting frame fixedly connected to the workbench, a position moving mechanism arranged on the mounting frame, a feeding cutting mechanism connected to the position moving mechanism, two undulating pressure roller assemblies arranged on the mounting frame, an upper mounting plate, a lower mounting plate, a pressure roller mechanism, a tensioning rope mechanism, a one-way wheel mechanism and a limiting shaft mechanism, wherein the upper mounting plate and the lower mounting plate are fixedly connected to the mounting frame, the pressure roller mechanism is provided with a plurality of pressure roller mechanisms, and the pressure roller mechanisms are arranged on the upper mounting plate and the lower mounting plate.The first conveying mechanism and the second conveying mechanism can drive the corrugated plate to move, continuous processing of the corrugated plate is realized, the position moving mechanism can drive the feeding cutting mechanism to move, and the corrugated plate can be cut.

Description

TECHNICAL FIELD

[0001] The present application relates to the cutting technical field, specifically a corrugated board cutting device. BACKGROUND

[0002] The corrugated board is processed from the density board, is used as the decoration, and the outside is treated with the baking varnish and is good-looking, because looks like the water wave, so is called the corrugated board, is a new decorative material, the three-dimensional fluent shape, the multicolored color.

[0003] In the prior art, the cutting torch or the welding torch is driven to move along the corrugated board transversely through the walking mechanism, the angle is swung according to the position of the corrugated board where the cutting torch head is located through the swinging mechanism, so that the cutting torch is perpendicular to the corrugated board, and the automatic cutting of the corrugated board is realized, but in the prior art, different shapes of the corrugated board cannot be pressed and fixed in the actual cutting process, so that the position of the corrugated board is offset in the cutting process, so the prior art has a large improvement space. SUMMARY

[0004] The present application provides a corrugated board cutting device, which solves the problems in the background art.

[0005] To achieve the above object, the present application provides the following technical scheme:

[0006] A corrugated board cutting device, comprising a workbench, the bottom of the workbench is fixedly connected with supporting legs, a first conveying mechanism and a second conveying mechanism are arranged on the workbench, the workbench is fixedly connected with a mounting frame, the mounting frame is arranged between the first conveying mechanism and the second conveying mechanism, a position moving mechanism is arranged on the mounting frame, the position moving mechanism is connected with a feeding and cutting mechanism, two undulating press roller assemblies are arranged on the mounting frame, the undulating press roller assembly comprises an upper mounting plate, a lower mounting plate, a press roller mechanism, a tensioning rope mechanism, a one-way wheel mechanism and a limiting shaft mechanism, the upper mounting plate and the lower mounting plate are fixedly connected with the mounting frame, the press roller mechanism is arranged on the upper mounting plate and the lower mounting plate, the tensioning rope mechanism and the one-way wheel mechanism are arranged on the mounting frame, and the limiting shaft mechanism is arranged on the one-way wheel mechanism.

[0007] As a preferred technical scheme of the present application, the first conveying mechanism comprises a first conveying seat fixed on the workbench, the first conveying seat is fixedly connected with a first motor support, the first motor support is fixedly connected with a first motor, the output shaft of the first motor is fixedly connected with a first conveying wheel, the first conveying wheel is rotatably connected with the first conveying seat, the first conveying wheel is drivingly connected with a first conveying belt, the first conveying belt is drivingly connected with a second conveying wheel, the second conveying wheel is rotatably connected with a second conveying seat, and the second conveying seat is fixedly connected with the workbench.

[0008] As a preferred technical scheme of the present application, the second conveying mechanism comprises a third conveying seat fixed on the workbench, a second motor support fixedly connected to the third conveying seat, a second motor fixedly connected to the second motor support, a third conveying wheel fixedly connected to an output shaft of the second motor, the third conveying wheel being rotatably connected to the third conveying seat, a second conveying belt driven by the third conveying wheel, a fourth conveying wheel driven by the second conveying belt, the fourth conveying wheel being rotatably connected to a fourth conveying seat, and the fourth conveying seat being fixedly connected to the workbench.

[0009] As a preferred technical scheme of the present application, the position moving mechanism comprises a third motor support fixed on the mounting frame, a third motor fixedly connected to the third motor support, an output shaft of the third motor being fixedly connected to a threaded rod, the threaded rod being rotatably connected to the mounting frame, the threaded rod being threadedly connected to a position moving block, and the position moving block being slidably connected to the mounting frame.

[0010] As a preferred technical scheme of the present application, the feeding and cutting mechanism comprises an electric telescopic rod fixed on the position moving block, a fourth motor fixedly connected to an end of the electric telescopic rod, and an output shaft of the fourth motor being fixedly connected to a cutting blade.

[0011] As a preferred technical scheme of the present application, the pressing wheel mechanism comprises a spring fixedly connected to a pressing wheel seat, the pressing wheel seat being rotatably connected to a pressing wheel, the pressing wheel seat being fixedly connected to a sliding rod, an end of the sliding rod away from the pressing wheel seat being fixedly connected to a contact wheel seat, and the contact wheel seat being rotatably connected to a contact wheel.

[0012] As a preferred technical scheme of the present application, the tensioning rope mechanism comprises a tensioning wheel shaft rotatably connected to the mounting frame, the tensioning wheel shaft being fixedly connected to a tensioning wheel, the tensioning rope being wound on the tensioning wheel, the tensioning rope passing through the upper mounting plate and the lower mounting plate and being slidably connected to the upper mounting plate and the lower mounting plate.

[0013] As a preferred technical scheme of the present application, the tensioning wheel shaft is provided with a torsion sensor.

[0014] As a preferred technical scheme of the present application, the one-way wheel mechanism comprises a rotating sleeve rotatably connected to the mounting frame, the rotating sleeve being fixedly connected to the tensioning wheel shaft, the rotating sleeve being fixedly connected to a plurality of pawl rotating seats, the pawl rotating seats being rotatably connected to pawls, the pawls being fixedly connected to the rotating sleeve via second springs, the mounting frame being fixedly connected to a ratchet tooth shell, a plurality of ratchet teeth being fixedly connected to the ratchet tooth shell, and the rotating sleeve being fixedly connected to a first rotating handle.

[0015] As a preferred technical scheme of the present application, the limiting shaft mechanism comprises a limiting shaft rotatably connected to the rotating sleeve, a plurality of pull ropes being wound on the limiting shaft, the pull ropes passing through the rotating sleeve and being slidably connected to the rotating sleeve, ends of the pull ropes away from the limiting shaft being fixedly connected to the pawls, and the limiting shaft being fixedly connected to a second rotating handle.

[0016] The present application has the following advantages: the present application can drive the corrugated plate to move by setting the first conveying mechanism and the second conveying mechanism, realize continuous processing of the corrugated plate, drive the feeding and cutting mechanism to move by the position moving mechanism, cut the corrugated plate, adjust the limiting state of the one-way wheel mechanism by the limiting shaft mechanism, adjust the tensioning strength of the tensioning rope mechanism by the one-way wheel mechanism, thereby adjust the pressing force of the pressing wheel mechanism, and press and limit the corrugated plate of different shapes by the pressing wheel mechanism. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the specific embodiments or prior art description will be briefly introduced as follows. Obviously, the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor on the basis of these drawings.

[0018] Figure 1 It is a structure schematic view of a corrugated plate cutting device.

[0019] Figure 2 It is a structure schematic view of the corrugated plate cutting device from a second perspective.

[0020] Figure 3 It is a structure schematic view of the corrugated plate cutting device from a third perspective. Figure 2 It is a local enlarged view of area A in the corrugated plate cutting device.

[0021] Figure 4 It is a structure schematic view of the corrugated plate cutting device from a third perspective.

[0022] Figure 5 It is a sectional view of the one-way wheel mechanism and the limiting shaft mechanism in the corrugated plate cutting device.

[0023] In the figure: 1, workbench; 2, support leg; 3, first conveying mechanism; 301, first conveying seat; 302, first motor support; 303, first motor; 304, first conveying wheel; 305, first conveying belt; 306, second conveying wheel; 307, second conveying seat; 4, second conveying mechanism; 401, third conveying seat; 402, second motor support; 403, second motor; 404, third conveying wheel; 405, second conveying belt; 406, fourth conveying wheel; 407, fourth conveying seat; 5, mounting frame; 6, position moving mechanism; 601, third motor support; 602, third motor; 603, threaded rod; 604, position moving block; 7, feeding and cutting mechanism; 701, electric telescopic rod; 702, fourth motor; 703, cutting piece; 8, upper mounting plate; 9, lower mounting plate; 10, pressing wheel mechanism; 1001, spring; 1002, pressing wheel seat; 1003, pressing wheel; 1004, sliding rod; 1005, contact wheel seat; 1006, contact wheel; 11, tensioning rope mechanism; 1101, tensioning wheel shaft; 1102, tensioning wheel; 1103, tensioning rope; 12, one-way wheel mechanism; 1201, rotating sleeve; 1202, pawl rotating seat; 1203, pawl; 1204, second spring; 1205, ratchet shell; 1206, ratchet; 1207, first rotating handle; 13, limiting shaft mechanism; 1301, limiting shaft; 1302, pull rope; 1303, second rotating handle. DETAILED DESCRIPTION

[0024] The technical solutions of the present application will be described clearly and completely below in conjunction with the drawings. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0025] In the description of the present application, it should be noted that the orientations or positional relationships indicated by the terms “center”, “upper”, “lower”, “left”, “right”, “vertical”, “horizontal”, “inner”, “outer” and the like are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms “first”, “second”, “third” are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0026] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connection", "linking" should be understood in a broad sense, for example, it can be fixed connection, or detachable connection, or integral connection; it can be mechanical connection, or electrical connection; it can be direct connection, or indirect connection through intermediate medium, or internal communication of two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0027] The present application will be further explained in conjunction with the specific embodiments.

[0028] Embodiment 1, please refer to Figures 1-5 A corrugated plate cutting device, comprising a workbench 1, the bottom of the workbench 1 is fixedly connected with support legs 2, the workbench 1 is provided with a first conveying mechanism 3 and a second conveying mechanism 4, the workbench 1 is fixedly connected with a mounting frame 5, the mounting frame 5 is arranged between the first conveying mechanism 3 and the second conveying mechanism 4, the mounting frame 5 is provided with a position moving mechanism 6, the position moving mechanism 6 is connected with a feeding and cutting mechanism 7, the mounting frame 5 is provided with two undulating pressure roller assemblies, the undulating pressure roller assembly comprises an upper mounting plate 8, a lower mounting plate 9, a pressure roller mechanism 10, a tensioning rope mechanism 11, a one-way wheel mechanism 12 and a limiting shaft mechanism 13, the upper mounting plate 8 and the lower mounting plate 9 are fixedly connected with the mounting frame 5, the pressure roller mechanism 10 is provided with a plurality of pressure roller mechanisms 10, the pressure roller mechanisms 10 are arranged on the upper mounting plate 8 and the lower mounting plate 9, the tensioning rope mechanism 11 and the one-way wheel mechanism 12 are arranged on the mounting frame 5, and the limiting shaft mechanism 13 is arranged on the one-way wheel mechanism 12.

[0029] The first conveying mechanism 3 comprises a first conveying seat 301 fixed on the workbench 1, the first conveying seat 301 is fixedly connected with a first motor support 302, the first motor support 302 is fixedly connected with a first motor 303, the output shaft of the first motor 303 is fixedly connected with a first conveying wheel 304, the first conveying wheel 304 is drivingly connected with a first conveying belt 305, the first conveying belt 305 is drivingly connected with a second conveying wheel 306, the second conveying wheel 306 is rotatably connected with a second conveying seat 307, and the second conveying seat 307 is fixedly connected with the workbench 1.

[0030] Specifically, the first motor 303 is turned on, the output shaft of the first motor 303 is fixedly connected with the first conveying wheel 304 to rotate, the rotation of the first conveying wheel 304 drives the first conveying belt 305 to rotate, so as to drive the corrugated plate to move.

[0031] The second conveying mechanism 4 comprises a third conveying seat 401 fixed on the workbench 1, the third conveying seat 401 is fixedly connected with a second motor support 402, the second motor support 402 is fixedly connected with a second motor 403, the output shaft of the second motor 403 is fixedly connected with a third conveying wheel 404, the third conveying wheel 404 is drivingly connected with a second conveying belt 405, the second conveying belt 405 is drivingly connected with a fourth conveying wheel 406, the fourth conveying wheel 406 is rotatably connected with a fourth conveying seat 407, and the fourth conveying seat 407 is fixedly connected with the workbench 1.

[0032] Specifically, the second motor 403 is started, the output shaft of the second motor 403 is fixedly connected with the third conveying wheel 404 to rotate, the third conveying wheel 404 rotates to drive the second conveying belt 405 to rotate, so as to drive the corrugated plate to move.

[0033] The position moving mechanism 6 comprises a third motor support 601 fixed on the mounting frame 5, the third motor support 601 is fixedly connected with a third motor 602, the output shaft of the third motor 602 is fixedly connected with a threaded rod 603, the threaded rod 603 is rotatably connected with the mounting frame 5, the threaded rod 603 is threadedly connected with a position moving block 604, and the position moving block 604 is slidingly connected with the mounting frame 5. The feeding and cutting mechanism 7 comprises an electric telescopic rod 701 fixed on the position moving block 604, the tail end of the electric telescopic rod 701 is fixedly connected with a fourth motor 702, and the output shaft of the fourth motor 702 is fixedly connected with a cutting piece 703.

[0034] Specifically, the third motor 602 is started, the output shaft of the third motor 602 rotates to drive the threaded rod 603 to rotate, thereby driving the position moving block 604 to move, so as to drive the electric telescopic rod 701 to move, thereby driving the cutting piece 703 to move, the fourth motor 702 is started, the output shaft of the fourth motor 702 rotates to drive the cutting piece 703 to rotate, so as to cut the corrugated plate.

[0035] The pressing wheel mechanism 10 comprises a spring 1001 fixed to the upper mounting plate 8 or the lower mounting plate 9, the spring 1001 is fixedly connected with a pressing wheel seat 1002, the pressing wheel seat 1002 is rotationally connected with a pressing wheel 1003, the pressing wheel seat 1002 is fixedly connected with a sliding rod 1004, the sliding rod 1004 penetrates through the upper mounting plate 8 or the lower mounting plate 9, one end of the sliding rod 1004 away from the pressing wheel seat 1002 is fixedly connected with a contact wheel seat 1005, and the contact wheel seat 1005 is rotationally connected with a contact wheel 1006. The tensioning rope mechanism 11 comprises a tensioning wheel shaft 1101 rotationally connected with the mounting frame 5, the tensioning wheel shaft 1101 is fixedly connected with a tensioning wheel 1102, the tensioning wheel 1102 is wound with a tensioning rope 1103, the tensioning rope 1103 penetrates through the upper mounting plate 8 and the lower mounting plate 9 and is slidably connected with the upper mounting plate 8 and the lower mounting plate 9. The one-way wheel mechanism 12 comprises a rotating sleeve 1201 rotationally connected with the mounting frame 5, the rotating sleeve 1201 is fixedly connected with the tensioning wheel shaft 1101, the rotating sleeve 1201 is fixedly connected with a plurality of pawl rotating seats 1202, the pawl rotating seat 1202 is rotationally connected with a pawl 1203, the pawl 1203 is fixedly connected with a second spring 1204 between the rotating sleeve 1201, the mounting frame 5 is fixedly connected with a ratchet gear shell 1205, a plurality of ratchet gears 1206 are fixedly connected in the ratchet gear shell 1205, and the rotating sleeve 1201 is fixedly connected with a first rotating handle 1207.

[0036] Specifically, rotating the first rotating handle 1207 can drive the rotating sleeve 1201 to rotate, the rotating sleeve 1201 rotating can drive the pawl rotating seat 1202 and the pawl 1203 to rotate, under the action of the second spring 1204, the pawl 1203 can be abutted against the ratchet gear 1206, the rotating sleeve 1201 is prevented from being reversely rotated, meanwhile, the rotating sleeve 1201 rotating can drive the tensioning wheel shaft 1101 to rotate, and then drive the tensioning wheel 1102 to rotate, so that the tensioning rope 1103 is wound on the tensioning wheel 1102, thereby the tensioning state of the tensioning rope 1103 is adjusted, the contact wheel 1006 is driven to move, the state of the sliding rod 1004 is adjusted, and the position of the pressing wheel 1003 is adjusted, and the corrugated plate is fixedly pressed by the pressing wheel 1003.

[0037] The limiting shaft mechanism 13 comprises a limiting shaft 1301 rotationally connected with the rotating sleeve 1201, a plurality of pull ropes 1302 are wound on the limiting shaft 1301, the pull rope 1302 penetrates through the rotating sleeve 1201 and is slidably connected with the rotating sleeve 1201, one end of the pull rope 1302 away from the limiting shaft 1301 is fixedly connected with the pawl 1203, and the limiting shaft 1301 is fixedly connected with a second rotating handle 1303.

[0038] Specifically, in order to reduce the tension of the tensioning rope 1103, the second rotating handle 1303 is rotated, and then the limiting shaft 1301 is rotated, and the rotation of the limiting shaft 1301 causes the pulling rope 1302 to be wound, at this time, the pulling rope 1302 will pull the pawl 1203 to rotate around the pawl rotating seat 1202, at this time, the first rotating handle 1207 can be reversely rotated, so as to adjust the tensioning state of the tensioning rope 1103.

[0039] Embodiment 2, continue to refer to Figures 1-5 In the embodiment of the application, the tensioning wheel shaft 1101 is provided with a torsion sensor.

[0040] Specifically, the torsion sensor can display the torsion received by the tensioning wheel shaft 1101, and then the tension of the tensioning rope 1103 can be adjusted.

[0041] In the implementation process of the application, first, the corrugated plate to be cut is placed on the first conveying mechanism 3, and the corrugated plate is conveyed to the position of the pressure roller mechanism 10 through the first conveying mechanism 3, at this time, the pressure roller mechanism 10 can be pressed under the action of the tensioning rope mechanism 11, so that the pressure roller mechanism 10 abuts against the corrugated plate, realizing the pressing and fixing of the corrugated plate, and if the pressing and fixing force of the corrugated plate needs to be adjusted, the one-way wheel mechanism 12 is driven, the one-way wheel mechanism 12 can drive the tensioning rope mechanism 11 to adjust the tensioning force, at this time, the position moving mechanism 6 can be opened to drive the feed cutting mechanism 7 to feed, completing the feed cutting of the corrugated plate, and the cut corrugated plate is moved to the second conveying mechanism 4 to drive the corrugated plate to move.

[0042] The first conveying mechanism 3 and the second conveying mechanism 4 can drive the corrugated plate to move, realizing the continuous processing of the corrugated plate, the position moving mechanism 6 can drive the feed cutting mechanism 7 to move, realizing the cutting of the corrugated plate, the limiting shaft mechanism 13 can adjust the limiting state of the one-way wheel mechanism 12, the one-way wheel mechanism 12 can adjust the tensioning strength of the tensioning rope mechanism 11, thereby adjusting the pressing force of the pressure roller mechanism 10, and the pressure roller mechanism 10 can press and limit the corrugated plate of different shapes.

[0043] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the application, and not to limit them; although the application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the application.

Claims

1. A corrugated board cutting device, comprising a worktable, characterized in that, The bottom of the workbench is fixedly connected to support legs. A first conveying mechanism and a second conveying mechanism are provided on the workbench. A mounting frame is fixedly connected to the workbench and positioned between the first and second conveying mechanisms. A position moving mechanism is provided on the mounting frame, which is connected to the feed cutting mechanism. Two undulating pressure roller assemblies are provided on the mounting frame. Each undulating pressure roller assembly includes an upper mounting plate, a lower mounting plate, a pressure roller mechanism, a tensioning rope mechanism, a one-way wheel mechanism, and a limiting shaft mechanism. The upper and lower mounting plates are fixedly connected to the mounting frame. Several pressure roller mechanisms are provided on the upper and lower mounting plates. The tensioning rope mechanism and the one-way wheel mechanism are located on the mounting frame, and the limiting shaft mechanism is located on the one-way wheel mechanism. The pressure roller mechanism includes a spring, the spring being fixedly connected to a pressure roller seat, the pressure roller seat being rotatably connected to a pressure roller, the pressure roller seat being fixedly connected to a slide rod, and the end of the slide rod away from the pressure roller seat being fixedly connected to a contact roller seat, the contact roller seat being rotatably connected to a contact roller. The tensioning rope mechanism includes a tensioning wheel shaft rotatably connected to the mounting frame, a tensioning wheel shaft fixedly connected to the tensioning wheel, a tensioning rope wound on the tensioning wheel, the tensioning rope passing through the upper mounting plate and the lower mounting plate, and slidably connected to the upper mounting plate and the lower mounting plate; A torque sensor is provided on the tension wheel shaft; The one-way wheel mechanism includes a rotating sleeve rotatably connected to the mounting bracket, a rotating sleeve fixedly connected to the tension wheel shaft, a plurality of pawl rotating seats fixedly connected to the rotating sleeve, pawls rotatably connected to the pawls, a second spring fixedly connected between the pawls and the rotating sleeve, a ratchet housing fixedly connected to the mounting bracket, a plurality of ratchet teeth fixedly connected inside the ratchet housing, and a first rotating handle fixedly connected to the rotating sleeve; The limiting shaft mechanism includes a limiting shaft rotatably connected to the rotating sleeve. Several pull ropes are wound on the limiting shaft. The pull ropes pass through the rotating sleeve and are slidably connected to the rotating sleeve. The end of the pull rope away from the limiting shaft is fixedly connected to the pawl. The limiting shaft is fixedly connected to the second rotating handle.

2. The corrugated plate cutting device according to claim 1, characterized in that, The first conveying mechanism includes a first conveying seat fixed to the workbench, a first motor bracket fixedly connected to the first conveying seat, a first motor fixedly connected to the first motor bracket, a first conveying wheel fixedly connected to the output shaft of the first motor, a first conveying wheel rotatably connected to the first conveying seat, a first conveying wheel drivingly connected to a first conveyor belt, a first conveyor belt drivingly connected to a second conveying wheel, a second conveying wheel rotatably connected to a second conveying seat, and a second conveying seat fixedly connected to the workbench.

3. The corrugated plate cutting device according to claim 1, characterized in that, The second conveying mechanism includes a third conveying seat fixed to the workbench, the third conveying seat being fixedly connected to a second motor bracket, the second motor bracket being fixedly connected to a second motor, the output shaft of the second motor being fixedly connected to a third conveying wheel, the third conveying wheel and the third conveying seat being rotatably connected, the third conveying wheel being driven by a second conveyor belt, the second conveyor belt being driven by a fourth conveying wheel, the fourth conveying wheel being rotatably connected to a fourth conveying seat, and the fourth conveying seat being fixedly connected to the workbench.

4. The corrugated plate cutting device according to claim 1, characterized in that, The position moving mechanism includes a third motor bracket fixed to the mounting frame, a third motor fixedly connected to the third motor bracket, a threaded rod fixedly connected to the output shaft of the third motor, a threaded rod rotatably connected to the mounting frame, a position moving block threadedly connected to the threaded rod, and a position moving block slidably connected to the mounting frame.

5. The corrugated plate cutting device according to claim 4, characterized in that, The feed cutting mechanism includes an electric telescopic rod fixed to the position moving block, with a fourth motor fixedly connected to the end of the electric telescopic rod, and the output shaft of the fourth motor fixedly connected to the cutting blade.

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