CN220538228U - Carpet cutting and processing device - Google Patents

Abstract

The utility model relates to a carpet cutting device which comprises a cutting mechanism and a cutting mechanism, wherein the cutting mechanism comprises a first bracket and a first rotating shaft movably connected to the center of the first bracket, two sides of the first bracket are slidably connected with first lifting plates, the centers of the two first lifting plates are movably connected with second rotating shafts, two sides of the first rotating shaft are connected with cutterheads, two sides of the second rotating shaft are connected with cutterheads matched with the cutterheads, the cutting mechanism comprises a third bracket and a driving shaft movably connected to the center of the third bracket, two sides of the third bracket are slidably connected with third lifting plates, the centers of the two third lifting plates are movably connected with driven shafts matched with the driving shaft, the centers above the third bracket are connected with sliding rails, and the centers of the sliding rails are movably connected with blades for cutting; the processing device can cut the edge of the carpet and synchronously cut the edge of the carpet, so that the production efficiency of the carpet is effectively ensured, and the processing convenience of the carpet is improved.

Description

Carpet cutting and processing device

Technical Field

The utility model relates to a carpet processing device, in particular to a carpet cutting processing device.

Background

The carpet is formed by braiding, tufting or weaving fibers such as cotton, hemp and yarns manually or mechanically, and in the process of carpet production, a whole carpet is usually produced firstly, and the carpet is correspondingly cut according to the size required by a customer, but the conventional carpet cutting device at present is simple in structure, the cutting size cannot be correspondingly adjusted according to the requirement, and meanwhile, burrs at the edge of the carpet are difficult to cut synchronously, the secondary cutting device is often required to cut, the processing efficiency of the carpet is reduced, deviation of the cutting size of the carpet is easily caused due to secondary clamping of the carpet, namely, cutting errors are easily caused due to fixing bending, the cutting quality of the carpet is influenced, and the quick clamping and fixing of the carpet are not facilitated for producers due to low processing efficiency and low processing quality.

Disclosure of Invention

The utility model mainly solves the technical problems existing in the prior art, thereby providing the carpet cutting processing device which is convenient for a producer to carry out quick clamping, is convenient for the producer to carry out corresponding adjustment according to the cutting requirement, and effectively improves the cutting efficiency and the cutting quality of the carpet.

The utility model relates to a carpet cutting device which comprises a bottom frame, a cutting mechanism and a slitting mechanism, wherein the cutting mechanism and the slitting mechanism are connected above the bottom frame, the cutting mechanism comprises a first bracket connected with the bottom frame, a first rotating shaft is movably connected to the center of the first bracket, first lifting plates are slidably connected to the two sides of the first bracket, first screws movably connected with the first lifting plates are movably connected to the upper sides of the first bracket, second rotating shafts are movably connected to the centers of the two first lifting plates, cutter heads are connected to the two sides of the first rotating shafts, cutter wheels matched with the cutter heads are connected to the two sides of the second rotating shafts, a driving shaft is movably connected to the center of the third bracket, third lifting plates are slidably connected to the two sides of the third bracket, a driven shaft used for controlling the lifting of the third lifting plates is movably connected to the center of the two third lifting plates, a sliding rail is connected to the center of the upper side of the third bracket, a sliding block is connected to the center of the sliding rail, a cutter head is connected to the center of the sliding block, and a cutter head is connected to the side of the cutter head is movably connected to the cutter head.

Preferably, a clamping mechanism is further arranged between the edge cutting mechanism and the slitting mechanism, the clamping mechanism comprises a second support connected with the underframe, a first rotating shaft is arranged in the center of the second support, two sides of the second support are slidably connected with second lifting plates, the centers of the two second lifting plates are movably connected with second rotating shafts matched with the first rotating shafts, a producer can control the second rotating shafts to lift through the second lifting plates, and then a carpet is clamped and limited through the first rotating shafts and the second rotating shafts, so that the carpet is conveniently located in the centers of the first rotating shafts and the second rotating shafts and is stably conveyed.

Preferably, a second spring connected with the second support is arranged above the second lifting plate, an adjusting hole is formed in the lateral outer surface of the second support, a concave shaft is movably connected to one side of the adjusting hole in the center of the second lifting plate, so that the second spring can press the second lifting plate, clamping between the second rotating shaft and the first rotating shaft is convenient to increase, lifting of the concave shaft can drive the second lifting plate to correspondingly lift, and a producer can conveniently lift the second lifting plate to place a carpet between the first rotating shaft and the second rotating shaft.

Preferably, the adjusting holes are provided with more than two groups, the side of the second bracket is provided with a supporting rod which is detachably connected with the adjusting holes, the center of the supporting rod is provided with a clamping cavity which is mutually matched with the concave shaft, the side of the concave shaft is connected with a deflector rod, the supporting rod can be fixed on the side of the second bracket through the adjusting holes, the height of the supporting rod is adjusted and fixed through the height of the adjusting holes, the concave shaft and the clamping cavity are matched, the lifting of the second lifting plate is conveniently controlled, namely the height of the second lifting plate is reduced when the concave position of the concave shaft is positioned in the clamping cavity, but the arc in the concave shaft is lifted to the height of the second lifting plate when the arc is positioned in the clamping cavity, so that a producer can conveniently drive the concave shaft to rotate through the deflector rod, and the lifting of the second lifting plate is conveniently controlled through the lifting of the second lifting plate and the lifting of the second lifting plate in movable connection, and the producer can conveniently place a carpet on the center of the first shaft and the second lifting plate in a rotating mode.

Preferably, a first spring connected with the first support is arranged below the first lifting plate, guide cylinders used for limiting the first spring and the second spring are respectively arranged below the first lifting plate and above the second lifting plate, the first spring and the second spring are limited through the guide cylinders, so that the first spring can stably support the first lifting plate, the second lifting plate can be stably pressed down through the second spring, and offset dislocation of the first spring or the second spring is effectively avoided.

Preferably, the second screw rod is connected with the third support through threads, the limit sleeve is connected with the lower side of the second screw rod, the third spring is connected between the limit sleeve and the third lifting plate, the second screw rod can lift through the threads connected with the third support, and then the third spring below the second screw rod is controlled to stretch out and draw back, so that the pressing strength of the third lifting plate is controlled through the third spring, the limit sleeve can limit the third spring, and displacement dislocation possibly occurring in the stretching process of the third spring is effectively avoided.

Preferably, one end of the connecting plate is hinged to the sliding block, the sliding block is slidably connected to the center of the sliding rail, a waist groove is formed in the center of the connecting plate, a fastening button in threaded connection with the tool rest is arranged in the center of the waist groove, a locking button is connected to the side of the sliding block, the connecting plate can be movably connected to the side of the sliding block, the connecting plate is driven to move through sliding of the sliding block on the sliding rail, the position of the tool rest in the connecting plate is controlled through the position of the fastening button in the waist groove, a manufacturer can conveniently adjust and control the corresponding positions of the tool rest and a blade connected with the tool rest according to the size of a carpet, the fastening button and the locking button are respectively used for locking and fixing the knob of the positions of the tool rest and the sliding block, and the fastening button and the locking button can be plum blossom knobs.

Preferably, the centers of the first rotating shaft, the second rotating shaft, the driving shaft and the driven shaft are all connected with rubber wheels, the rubber wheels are provided with more than two rubber wheels, the rubber wheels are correspondingly arranged in pairs, and the carpet can be clamped and limited stably through the arrangement of the rubber wheels, so that the carpet can be transported and moved in the centers of the first rotating shaft, the second rotating shaft, the driving shaft and the driven shaft.

Compared with the prior art, the utility model has the following beneficial effects:

1. because be provided with first pivot and second pivot in the mechanism of cutting out the limit, and the both sides of first pivot and second pivot are provided with blade disc and the cutting wheel of mutually supporting respectively, make the carpet can cut the processing through the cooperation of blade disc and cutting wheel when passing through first pivot and second pivot center, so that the carpet can carry out the excision at carpet border in step of carrying, then the carpet passes through cutting mechanism, drive shaft and driven shaft in letting cutting mechanism rotate and transport the carpet, and then let blade that knife rest below is connected cut the processing with the carpet, make the carpet can cut and the cutting of carpet border in step in production transportation, effectively improve carpet machining efficiency, avoided the secondary clamping of carpet to cut the deviation that probably causes because of fixed carpet bending deformation, guarantee and improved the machining efficiency and the cutting quality of carpet.

2. Because the central authorities of third support top are connected with the slide rail, and slider sliding connection is in slide rail central authorities, the side of slider articulates there is the connecting plate, connecting plate central authorities sliding connection has the knife rest, the below of knife rest is connected with the blade that is used for cutting the carpet, make the blade can carry out horizontal and longitudinal position's regulation removal, in order to cut the processing to the carpet homoenergetic of each different specifications, in order to let the producer carry out the regulation of relevant position to the blade of cutting the carpet according to the size that the carpet needs to cut, the simple defect that conventional carpet cutting device only has single specification to cut has been changed, make things convenient for the producer to carry out corresponding regulation according to cutting the requirement, effectively improve the convenience of cutting of producer to each specification of carpet.

3. Because clamping mechanism comprises first pivot and second pivot, second pivot both ends swing joint has the second lifter plate, and the side swing joint of second lifter plate has the concave axle, the top of second lift group is provided with the second spring, the side of second support can be dismantled and be connected with the butt pole that is used for supporting the concave axle, and concave axle side is connected with the driving lever, can effectually extrude the second lifter plate through the setting of second spring, the clamping strength between first pivot and the second pivot has been guaranteed, and when the installation is placed the carpet, also only need press driving groove rotation just accessible butt pole effort lifting second lifter plate, so that place the carpet between first pivot and second pivot, the producer of being convenient for carries out quick clamp, the convenience of producer to the production and processing of carpet through this processingequipment is effectively improved.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of the overall structure of a carpet cutting device according to the present utility model;

FIG. 2 is a schematic view of the overall structure of a carpet cutting device according to another aspect of the present utility model;

fig. 3 is a front view of a carpet cutting device according to the present utility model.

In the figure: the cutting mechanism comprises a chassis 1, a first bracket 11, a first screw 111, a second bracket 12, an adjusting hole 121, a third bracket 13, a second screw 131, a trimming mechanism 2, a second rotating shaft 21, a first rotating shaft 22, a first lifting plate 23, a first spring 231, a clamping mechanism 3, a second rotating shaft 31, a first rotating shaft 32, a second lifting plate 33, a second spring 331, a supporting rod 34, a clamping cavity 341, a concave shaft 35, a deflector rod 351, a slitting mechanism 4, a driven shaft 41, a driving shaft 42, a third lifting plate 43, a third spring 431, a limiting sleeve 432, a sliding rail 44, a connecting plate 5, a sliding block 51, a locking button 511, a waist groove 52, a cutter holder 6, a blade 61, a fastening button 62 and a rubber wheel 7.

Detailed Description

The preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present utility model.

The carpet cutting device as shown in fig. 1 to 3 comprises a chassis 1, and a cutting mechanism 2 and a slitting mechanism 4 which are connected above the chassis 1, wherein the cutting mechanism 2 comprises a first bracket 11 connected with the chassis 1, a first rotating shaft 22 is movably connected with the center of the first bracket 11, two sides of the first bracket 11 are slidably connected with first lifting plates 23, a first screw 111 movably connected with the first lifting plates 23 is connected with the upper side of the first bracket 11 in a threaded manner, the centers of the two first lifting plates 23 are movably connected with a second rotating shaft 21, cutter discs 221 are connected with two sides of the first rotating shaft 21, cutter wheels 211 matched with the cutter discs 221 are connected with two sides of the second rotating shaft 21, the slitting mechanism 4 comprises a third bracket 13 connected with the chassis 1, a driving shaft 42 is movably connected with the center of the third bracket 13, two sides of the third bracket 13 are slidably connected with third lifting plates 43, a second screw 131 for controlling the lifting of the third lifting plates 43 is movably connected with the upper side of the third bracket 13, the center of the cutter carrier 5 is movably connected with a sliding rail 5, and the center of the cutter carrier 5 is movably connected with a sliding block 51 is connected with the center slide rail 51.

Still be provided with clamping mechanism 3 between cutting mechanism 2 and the mechanism 4 that cuts, clamping mechanism 3 includes the second support 12 that links to each other with chassis 1, the central authorities of second support 12 are provided with first pivot 32, and the both sides sliding connection of second support 12 has second lifter plate 33, and the central swing joint of two second lifter plates 33 has the second pivot 31 that mutually support with first pivot 32, lets the producer go on going up and down through second lifter plate 33 control second pivot 31, and then lets the carpet carry out the centre gripping spacing through first pivot 32 and second pivot 31, makes things convenient for the carpet to be located first pivot 32 and second pivot 31 central authorities and carries steadily.

The top of second lifter plate 33 is provided with the second spring 331 that links to each other with second support 12, the lateral surface of second support 12 is provided with regulation hole 121, the one side swing joint that second lifter plate 33 central authorities lie in regulation hole 121 has concave axle 35 for second spring 331 can press second lifter plate 33, so that increase centre gripping between second rotation axis 31 and the first rotation axis 32 and stand, and the lift of concave axle 35 then can drive the corresponding lift of second lifter plate 33, makes things convenient for producer's lifting second lifter plate 33 to be used for placing the carpet between first rotation axis 32 and second rotation axis 31.

The adjusting holes 121 are provided with more than two groups, the sides of the second bracket 12 are provided with supporting rods 34 which are detachably connected with the adjusting holes 121, the center of each supporting rod 34 is provided with a clamping cavity 341 which is mutually matched with the concave shaft 35, the sides of each concave shaft 35 are connected with a deflector rod 351, the supporting rods 34 are fixed on the sides of the second bracket 12 through the adjusting holes 121 and are fixed through the height adjustment of the adjusting holes 121, the matching of the concave shafts 35 and the clamping cavities 341 is convenient for controlling the lifting of the second lifting plates 33, namely, the height of the second lifting plates 33 is reduced when the concave position of each concave shaft 35 is located in the corresponding clamping cavity 341, but the height of the second lifting plates 33 is raised when the circular arc in each concave shaft 35 is located in the corresponding clamping cavity 341, so that a producer can conveniently drive the concave shaft 35 to rotate through the deflector rods 351, the positions of the concave shafts 35, which are in contact with the clamping cavities 341, can conveniently control the lifting of the second lifting plates 33 through the lifting control of the lifting of the second lifting plates 33, namely, the concave shafts 31 are movably connected with the lifting of the second lifting plates 33, and the carpet can be conveniently rotated by the producer can conveniently and rapidly rotate the carpet 31 at the center of the carpet 31.

The below of first lifter plate 23 is provided with the first spring 231 that links to each other with first support 11, and the below of first lifter plate 23 and the top of second lifter plate 33 are provided with the guide cylinder (not annotated) that is used for restricting first spring 231, second spring 331 respectively, are used for spacing first spring 231 and second spring 331 through the setting of guide cylinder to first spring 231 can be stabilized and support first lifter plate 23, can be stabilized through second spring 331 and push down second lifter plate 33, effectively avoid first spring 231 or second spring 331 to appear the condition of skew dislocation.

The second screw 131 is connected with the third bracket 13 through threads, the limit sleeve 432 is connected with the lower side of the second screw 131, the third spring 341 is connected between the limit sleeve 432 and the third lifting plate 34, so that the second screw 131 can lift through the threads connected with the third bracket 13, and then the third spring 431 below the second screw 131 is controlled to stretch out and draw back, so that the pressing strength of the third lifting plate 43 is controlled through the third spring 431, the limit sleeve 432 is used for limiting the third spring 431, and displacement dislocation possibly occurring in the stretching process of the third spring 431 is effectively avoided.

The utility model discloses a carpet cutting machine, including connecting plate 5, slider 51, waist groove 52, fastening button 62 and locking button 511, slider 51's side is connected with locking button 511 for connecting plate 5 can swing joint be in slider 51 side, and through slider 51 on slide rail 44 slide drive connecting plate 5 remove, through the position that fastening button 62 is located waist groove 52 and then control knife rest 6 is located the position in connecting plate 5, the producer carries out corresponding position's regulation control to knife rest 6 and knife rest 6 connected blade 61 according to the required size of cutting of carpet, fastening button 62 and locking button 511 are used for locking the knob of fixed knife rest 6 and slider 51 position respectively, fastening button 62 and locking button 511 can be the plum blossom knob.

The carpet is clamped and limited stably through the arrangement of the rubber wheels 7, so that the carpet can be transported and moved in the centers of the first rotating shaft 22, the second rotating shaft 21, the first rotating shaft 32, the second rotating shaft 31, the driving shaft 42 and the driven shaft 41 conveniently.

The carpet cutting and processing device sequentially passes through the edge cutting mechanism 2, the clamping mechanism 3 and the cutting mechanism 4, namely, the carpet sequentially passes through the centers of the first rotating shaft 22 and the second rotating shaft 21, the first lifting plate 23 is driven to be pressed down by the first screw 111, so that the rubber wheels 7 at the centers of the first rotating shaft 22 and the second rotating shaft 21 clamp and limit the carpet, and then the edge of the carpet is cut by the cooperation of cutter wheels 211 and cutter discs 221 respectively arranged at the two ends of the first rotating shaft 22 and the second rotating shaft 21; then the carpet is continuously transported to the centers of the first rotating shaft 32 and the second rotating shaft 31, the second rotating shaft 31 and the first rotating shaft 32 are controlled to clamp the carpet by pressing the second lifting plate 33 through the second spring 331, and according to the thickness dimension of the carpet, the position of the supporting rod 34 fixed at the side adjusting hole 121 of the second bracket 12 is adjusted by a producer so as to adjust the gap between the second rotating shaft 31 and the first rotating shaft 32, and the producer can also press the driving rod 341 to drive the concave shaft 35 to rotate; when the concave position of the concave shaft 35 is positioned in the clamping cavity 341 in the center of the deflector rod 351, the supporting height of the supporting rod 34 to the second lifting plate 33 through the concave shaft 35 is reduced, so that the second rotating shaft 31 can be tightly attached to the first rotating shaft 32 for clamping carpets; when a producer lifts the deflector rod 351 to control the concave position at the concave shaft 35 to be far away from the clamping cavity 341 in the center of the supporting rod 34, the supporting height of the supporting rod 34 to the second lifting plate 33 through the concave shaft 35 is increased, and then the second rotating shaft 31 is lifted through the second lifting plate 33 to increase the gap between the second rotating shaft 31 and the first rotating shaft 32, so that the producer can conveniently put a carpet between the first rotating shaft 32 and the second rotating shaft 31, and the producer can conveniently clamp, fix and stably convey the carpet through the clamping mechanism 3; then the carpet is continuously conveyed into the space between the driving shaft 42 and the driven shaft 41, the third lifting plate 43 is driven to descend by rotating the second screw 131 to limit the gap between the driven shaft 41 and the driving shaft 42, so that the driven shaft 41 and the driving shaft 42 clamp and limit the carpet, a manufacturer can move the sliding block 51 in the center of the sliding rail 44 according to the size requirement of the carpet for cutting, the sliding block 51 is fixed by the locking button 511, the height of the blade 61 is adjusted by the movement of the blade rest 6 in the center of the connecting plate 5, the blade rest 6 is fixed by the fastening button 62, the carpet can be cut by the blade 61 below the blade rest 6 when passing between the second bracket 12 and the third bracket 13, and then the carpet can be cut synchronously with the cutting of the edge of the carpet and the cutting of the center of the carpet in the process of conveying movement by the processing device.

A cutter groove (not labeled) for embedding the cutter wheel 211 is formed in the center of the cutter disc 221, so that a carpet can be cut quickly when passing through the cutter wheel 211 and the cutter disc 221, and the cutter wheel 221 and the second rotating shaft 21 are detachably connected in a matched manner, namely, the cutter disc 221 and the first rotating shaft 22 and the cutter wheel 211 and the second rotating shaft 21 can be fixedly connected in a bolt connection manner or a buckle type matched manner; the first bracket 11, the second bracket 12 and the third bracket 13 are provided with sliding grooves (not labeled) for sliding movement of the first lifting plate 23, the second lifting plate 33 and the third lifting plate 43, so as to facilitate stable lifting movement of the first lifting plate 23, the second lifting plate 33 and the third lifting plate 43.

The beneficial effects of the utility model are as follows: because be provided with first pivot and second pivot in the mechanism of cutting out the limit, and the both sides of first pivot and second pivot are provided with blade disc and the cutting wheel of mutually supporting respectively, make the carpet can cut the processing through the cooperation of blade disc and cutting wheel when passing through first pivot and second pivot center, so that the carpet can carry out the excision at carpet border in step of carrying, then the carpet passes through cutting mechanism, drive shaft and driven shaft in letting cutting mechanism rotate and transport the carpet, and then let blade that knife rest below is connected cut the processing with the carpet, make the carpet can cut and the cutting of carpet border in step in production transportation, effectively improve carpet machining efficiency, avoided the secondary clamping of carpet to cut the deviation that probably causes because of fixed carpet bending deformation, guarantee and improved the machining efficiency and the cutting quality of carpet. Because the central authorities of third support top are connected with the slide rail, and slider sliding connection is in slide rail central authorities, the side of slider articulates there is the connecting plate, connecting plate central authorities sliding connection has the knife rest, the below of knife rest is connected with the blade that is used for cutting the carpet, make the blade can carry out horizontal and longitudinal position's regulation removal, in order to cut the processing to the carpet homoenergetic of each different specifications, in order to let the producer carry out the regulation of relevant position to the blade of cutting the carpet according to the size that the carpet needs to cut, the simple defect that conventional carpet cutting device only has single specification to cut has been changed, make things convenient for the producer to carry out corresponding regulation according to cutting the requirement, effectively improve the convenience of cutting of producer to each specification of carpet. Because clamping mechanism comprises first pivot and second pivot, second pivot both ends swing joint has the second lifter plate, and the side swing joint of second lifter plate has the concave axle, the top of second lift group is provided with the second spring, the side of second support can be dismantled and be connected with the butt pole that is used for supporting the concave axle, and concave axle side is connected with the driving lever, can effectually extrude the second lifter plate through the setting of second spring, the clamping strength between first pivot and the second pivot has been guaranteed, and when the installation is placed the carpet, also only need press driving groove rotation just accessible butt effort lifting second lifter plate, so that place the carpet between first pivot and second pivot, be convenient for the producer to carry out quick clamping, the convenience of the production and processing of producer to the carpet through this processingequipment is effectively improved

The foregoing is merely illustrative of specific embodiments of the present utility model, and the scope of the utility model is not limited thereto, but any changes or substitutions that do not undergo the inventive effort should be construed as falling within the scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope defined by the claims.

Claims (8)

1. A carpet cuts processingequipment, its characterized in that: including the chassis, and connect the mechanism of cutting edge in the chassis top, the mechanism of cutting edge includes the first support that links to each other with the chassis, the central swing joint of first support has first pivot, the both sides sliding connection of first support has first lifter plate, first support top threaded connection has the first screw rod with first lifter plate swing joint, and the central swing joint of two first lifter plates has the second pivot, the both sides of first pivot are connected with the blade disc, the both sides of second pivot are connected with the cutter wheel that mutually supports with the blade disc, the mechanism of cutting includes the third support that links to each other with the chassis, the central swing joint of third support has the drive shaft, the both sides sliding connection of third support has the third lifter plate, the central swing joint of third support top has the second screw rod that is used for controlling the third lifter plate to go up and down, and the central swing joint of two third lifter plates has the driven shaft mutually support top's central authorities to be connected with the slide rail, the central swing joint of slide rail has the slider, the side swing joint of slider has the blade carrier's side swing joint, and the center swing joint has the blade carrier's that is used for cutting the carpet of connecting plate below.

2. The carpet cutting device according to claim 1, wherein: the cutting machine is characterized in that a clamping mechanism is further arranged between the edge cutting mechanism and the slitting mechanism, the clamping mechanism comprises a second support connected with the underframe, a first rotating shaft is arranged in the center of the second support, second lifting plates are connected to the two sides of the second support in a sliding mode, and second rotating shafts matched with the first rotating shafts are movably connected to the centers of the two second lifting plates.

3. The carpet cutting device according to claim 2, wherein: the upper portion of second lifter plate is provided with the second spring that links to each other with the second support, second support side surface is provided with the regulation hole, one side swing joint that second lifter plate central authorities lie in the regulation hole has the concave axle.

4. A carpet cutting device according to claim 3, wherein: the adjusting holes are formed in more than two groups, supporting rods detachably connected with the adjusting holes are arranged on the sides of the second support, clamping cavities matched with the concave shafts are formed in the centers of the supporting rods, and deflector rods are connected on the sides of the concave shafts.

5. A carpet cutting device according to claim 3, wherein: the lower part of the first lifting plate is provided with a first spring connected with the first bracket, and the lower part of the first lifting plate and the upper part of the second lifting plate are respectively provided with guide cylinders used for limiting the first spring and the second spring.

6. The carpet cutting device according to claim 1, wherein: the second screw rod is in threaded connection with the third support, a limit sleeve is connected below the second screw rod, and a third spring is connected between the limit sleeve and the third lifting plate.

7. The carpet cutting device according to claim 1, wherein: the connecting plate is characterized in that one end of the connecting plate is hinged with the sliding block, the sliding block is slidably connected to the center of the sliding rail, a waist groove is formed in the center of the connecting plate, a fastening button in threaded connection with the tool rest is arranged in the center of the waist groove, and a locking button is connected to the side of the sliding block.

8. The carpet cutting device according to claim 1, wherein: the center of the first rotating shaft, the second rotating shaft, the driving shaft and the driven shaft are all connected with rubber wheels, and the rubber wheels are provided with more than two rubber wheels.