CN212049844U - Spreading machine - Google Patents

Abstract

The utility model discloses a spreading machine, which comprises a frame, a working platform and a cutting device, wherein the working platform is arranged on the frame in a sliding way, a front limiting device and a rear limiting device for limiting the motion stroke of the working platform are arranged on the frame, a fabric pressing device is arranged between the working platform and the frame, an automatic feeding device is arranged at the tail end of the frame, and the cutting device is arranged at one side of the automatic feeding device; the automatic cutting machine has the advantages that automatic cutting can be realized, the fabric can be pulled by a single person, the labor cost is reduced, the working efficiency is improved, and the working benefit is at least doubled compared with the original benefit; on the other hand, only one person is needed to stand in front of the working platform instead of on two sides of the working platform, so that the floor area of the equipment in the actual application process is reduced.

Description

Spreading machine

Technical Field

The utility model relates to a granny rag machine.

Background

A cloth spreading machine, which is a machine for manufacturing cloth appearing in the early 90 s of the last century. Since most of flexible materials are produced and transported in rolls, an important process is to change rolled materials into a multi-layer planar state for convenient cutting in a user factory. Automatic production equipment such as an automatic spreading machine and an automatic cloth spreading machine is produced. In the car seat manufacture process, the fabric is pulled out as a first process, the quality of the stretched fabric and the cut fabric is an important premise for manufacturing the car seat meeting the specification, the existing cloth pulling machine comprises a workbench, a fabric placing frame and an automatic cutting mechanism, the fabric placing frame is installed at the tail end of the workbench, and the automatic cutting mechanism is arranged on the working platform. During operation, two workers are required to stand on two sides of the working platform to place the fabric on the fabric placing rack, then the two workers straighten the fabric to the required length at the same time, the fabric is flatly placed on the working platform, then the fabric is cut by the automatic cutting mechanism, the workers pull the fabric again and cut the fabric, and the operation is circulated. By adopting the cloth spreading machine with the structure, although the automatic cutting of the fabric can be realized, two workers are still needed for spreading the fabric, so that the labor cost is high and the working efficiency is low; on the other hand, the two sides of the working platform are reserved with the places where workers work, and the occupied area is large.

Disclosure of Invention

The utility model aims to solve the technical problem that a simple structure, easy operation just can realize one-man operation's granny rag machine is provided, the equipment that adopts this kind of mechanism can reduce the cost of labor, improves work efficiency.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: the cloth spreading machine comprises a rack, a working platform and a cutting device, wherein the working platform is arranged on the rack in a sliding mode, a front limiting device and a rear limiting device which are used for limiting the movement stroke of the working platform are arranged on the rack, a fabric pressing device is arranged between the working platform and the rack, an automatic feeding device is arranged at the tail end of the rack, and the cutting device is arranged on one side of the automatic feeding device.

The fabric pressing device comprises a first pressing shaft, a second pressing shaft, a pressing shaft connecting piece and a pressing shaft lifting mechanism, wherein the first pressing shaft and the second pressing shaft are respectively and rotatably connected onto the working platform through the pressing shaft connecting piece, the frame comprises a base and a mounting frame, the working platform is slidably arranged on the base, the mounting frame comprises a first supporting column and a second supporting column which are respectively arranged at two sides of the base, a first supporting cross rod is transversely arranged on the first supporting column, the pressing shaft lifting mechanism comprises a roller, a lifting plate and a lifting plate resetting component, the roller is rotatably connected to the outer end of the first pressing shaft, the upper end of the lifting plate is provided with a lifting surface inclined towards the front end of the working platform from top to bottom, the roller can slide along the lifting surface, and the highest position of the lifting surface is provided with a roller limiting groove, the lower extreme of lifting plate be provided with outside bellied gyro wheel dodge portion, the gyro wheel dodge portion with the gyro wheel spacing groove set up relatively, the inboard of gyro wheel dodge portion be provided with the gyro wheel of two sides open-ended and dodge the groove, the gyro wheel dodge the portion install through the installation axle first supporting horizontal pole on, lifting plate reset assembly set up lifting plate's free end.

In the structure, a first pressing shaft and a second pressing shaft are rotatably connected with a working platform through a pressing shaft connecting piece, the first pressing shaft and the second pressing shaft are pressed on the working platform, the working platform is manually pushed to slide along a base, after the first pressing shaft is moved to the starting end of a lifting plate, a roller on the first pressing shaft moves upwards along a lifting surface and is clamped into a roller limiting groove, at the moment, the first pressing shaft and the second pressing shaft are lifted, a worker straightens the fabric and enables the front end of the fabric to be flush with the front end of the working platform, the working platform is continuously pushed to drive the roller to move out of the limiting groove, the first pressing shaft and the second pressing shaft fall down to press the fabric, the working platform is pushed until a front limiting device and a rear limiting device clamp the working platform, the working platform is pulled back to straighten the fabric to a required length (namely, the front limiting device and the rear limiting device clamp the working platform), and a single person; the roller avoiding part of the lifting plate is arranged on the first supporting cross rod through the mounting shaft, so that the free end of the lifting plate can rotate around the mounting shaft, the roller moves along the roller avoiding groove in the resetting process, then the lifting plate is pushed outwards by extrusion in the advancing process of the roller, the roller is enabled to avoid the lifting plate smoothly, and the lifting plate is reset under the action of the lifting plate resetting component; therefore, workers can easily lift the first pressing shaft and the second pressing shaft through the lifting plate and press the fabric, and the fabric pressing device has the advantages of being simple in operation and easy to achieve.

Lifting board reset assembly include reset spring, spring mounting axle and support arm, the support arm include the fixed part and with the perpendicular installation department of connecting of fixed part, the fixed part pass through the erection column to be fixed first support horizontal pole on, spring mounting axle set up the installation department the free end with the free end of lifting board between, reset spring cover establish the spring mounting epaxial and be located the installation department with lifting board between. In the structure, the free end of the lifting plate is slowly reset under the action of the reset spring after being extruded and pushed outwards by the roller, so that the lifting plate is protected, and the lifting plate is prevented from being knocked on the working platform.

The pressing shaft connecting piece comprises a connecting rod, a first connecting shaft and a second connecting shaft, the connecting rod is arranged below the working platform, the first connecting shaft is vertically arranged at one end of the connecting rod, the first connecting shaft is fixed on one side wall of the working platform through a rotating shaft in a rotating mode, the second connecting shaft is vertically arranged at the other end of the connecting rod, the second connecting shaft is fixed on the other side wall of the working platform through a rotating shaft in a rotating mode, one end of the first pressing shaft is fixed at the upper end of the first connecting shaft, one end of the second pressing shaft is fixed at the upper end of the second connecting shaft, a buffer is arranged between the second connecting shaft and the working platform, and one end of the buffer is fixed on the lower bottom surface of the second connecting shaft, the other end of the buffer is fixed on the lower bottom surface of the working platform. In the structure, the second pressure shaft is connected with the first pressure shaft through the connecting rod, and when the first pressure shaft is lifted by the lifting plate, the second pressure shaft is lifted at the same time, so that the structure is simplified, and the operation is convenient; in addition, be provided with the buffer between second connecting axle and work platform, the buffer guarantees that first last item and second last item slowly press on treating to tailor the surface fabric, avoids first last item and second last item to fall fast and damages surface fabric or work platform, has the advantage of silence, and the buffer is prior art, for example the door closer.

The base including horizontal two bracing pieces that set up and set up every the supporting leg at bracing piece both ends, work platform's bottom surface on be provided with a plurality of movable pulleys, the bracing piece on be provided with the bellied slide rail that makes progress, the movable pulley on be provided with slide rail assorted spout. In this structure, the smooth sliding of the working platform on the base is ensured.

The front and back limiting device comprises a front limiting piece, a back limiting piece, a left limiting rod and a right limiting rod, the left limiting rod and the right limiting rod are respectively arranged at two sides of the slide rail at the left side, two ends of the left limiting rod are fixed on the supporting legs, two ends of the right limiting rod are fixed on the supporting legs, the front limiting piece is movably arranged on the right limiting rod and comprises a first clamping hoop and a front limiting block arranged at one end of the first clamping hoop, the front limiting block is arranged opposite to the sliding wheel hub positioned at the front part, the rear limiting piece is movably arranged on the left limiting rod, back stopper include that the second presss from both sides tight clamp and set up the back stopper in the one end that the second pressed from both sides tight clamp, back stopper with be located the rear portion the movable pulley wheel hub set up relatively. In the mechanism, the left limiting rod and the right limiting rod are arranged to prevent the sliding wheel from crossing the rail; with first tight clamp setting on right gag lever post of clamp, the tight clamp setting of second clamp is on left gag lever post, and first tight clamp and the tight clamp of second clamp are detachable connection structure, can adjust its concrete position according to actual demand, and preceding spacing piece and back spacing piece have played spacing effect, guarantee work platform's motion stroke to it is the same to guarantee every size of tailorring the surface fabric.

The automatic feeding device comprises a fabric placing frame and a driving mechanism, the fabric placing frame is installed on the base through a mounting seat, the fabric placing frame comprises a supporting shaft, a fabric placing arm and a switching arm, the supporting shaft is rotatably connected to the mounting seat, the fabric placing arm is fixed at two ends of the supporting shaft through the switching arm, the fabric placing arm is perpendicular to the switching arm, a fabric mounting plate is arranged at the top of the fabric placing arm, mounting holes are formed in the fabric mounting plate, fabric placing inlets communicated with the mounting holes are further formed in the fabric mounting plate, and the driving mechanism drives the supporting shaft to rotate to enable the fabric placing arm to be horizontal or perpendicular to the ground. In the structure, the driving mechanism drives the supporting shaft to rotate to drive the transfer arm to rotate 90 degrees, so that the transfer arm is vertical to the ground, and at the moment, the fabric placing arm is parallel to the ground to descend, so that a worker can conveniently place a heavy fabric reel to be cut on the fabric supporting arm; after the fabric cutting device is placed, the driving mechanism drives the supporting shaft to rotate reversely to drive the transfer arm to rotate 90 degrees, so that the transfer arm is horizontal to the ground, at the moment, the fabric placing arm is perpendicular to the ground to enable the fabric reel to be cut to ascend, and the fabric to be cut is conveniently pulled into the working platform.

The driving mechanism comprises a servo motor, a speed reducer, a first chain wheel, a second chain wheel and a chain, the output end of the servo motor is connected with the speed reducer, the output end of the speed reducer is provided with the first chain wheel, the second chain wheel is fixed on the supporting shaft, the first chain wheel is connected with the second chain wheel through the chain, and a tensioning chain wheel is further arranged between the first chain wheel and the second chain wheel.

The cutting device is characterized by further comprising a fabric smoothing mechanism and a fabric anti-slip mechanism, wherein the fabric smoothing mechanism is arranged on the rear side of the cutting device and comprises two stand columns and two central shafts which are arranged up and down, the central shafts are horizontally fixed between the two stand columns, sleeves are sleeved on the central shafts, a gap for the fabric to pass through is reserved between the upper sleeve column and the lower sleeve column, and the two stand columns are respectively fixed on the first support column and the second support column;

the anti-slip mechanism for the fabric comprises anti-slip cloth and an anti-slip cloth mounting rod, the anti-slip cloth mounting rod is fixed on the central shaft below the anti-slip cloth mounting rod through a mounting rod connecting arm, one end of the anti-slip cloth is fixed on the anti-slip cloth mounting rod, the other end of the anti-slip cloth is fixed on a cutting tool rack of the cutting device, and the anti-slip cloth mounting rod is located below the cutting tool rack. The fabric smoothing machine is used for preventing the fabric from being wrinkled when being pulled out; after the fabric to be cut is cut by the cutting device, part of the fabric to be cut is left on the anti-slip cloth, so that the fabric to be cut can be prevented from slipping off, and a worker can conveniently pull and take the fabric next time.

The front end of the working platform is provided with a fabric baffle which is arranged on the front wall of the working platform through a hinge, the front wall of the working platform is provided with a magnet which attracts the fabric baffle, and the front end of the working platform is also provided with a pushing handle. The fabric baffle is arranged on the front wall of the working platform through a hinge, the front wall of the working platform is provided with a magnet for attracting the fabric baffle, so that the fabric baffle can be conveniently fixed and turned down, and when the fabric baffle is fixed, the front ends of the fabrics can be conveniently aligned; when the fabric baffle is turned downwards, the cut fabric can be taken out of the working platform conveniently.

Compared with the prior art, the utility model discloses a spreading machine, because the working platform is arranged on the frame in a sliding way, the frame is provided with a front and a back limiting device for limiting the motion stroke of the working platform, a fabric pressing device is arranged between the working platform and the frame, and the end of the frame is provided with an automatic feeding device; during operation, only one worker is needed to push the working platform, the fabric is pulled to the front end of the working platform, the working platform is continuously pushed to compress the front end of the fabric to be cut through the fabric compressing device, the working platform is pulled back after the front limiting device and the rear limiting device limit the rear end of the working platform until the front limiting device and the rear limiting device limit the front end of the working platform, the fabric with the required length is obtained by cutting through the cutting device, and the steps are repeated, so that the cutting can be continuously performed. Therefore, the automatic cutting device can realize automatic cutting, can also realize the single-person fabric pulling, reduces the labor cost, improves the working efficiency, and improves the working benefit to at least twice of the original benefit; on the other hand, only one person is needed to stand in front of the working platform instead of on two sides of the working platform, so that the floor area of the spreading machine is reduced.

Drawings

FIG. 1 is a front view of the working platform of the present invention at the start end;

FIG. 2 is a perspective view of the working platform of the present invention at the starting end;

fig. 3 is a perspective view of the first pressing shaft and the second pressing shaft of the present invention being lifted up;

fig. 4 is a perspective view of the fabric pressed by the first pressing shaft and the second pressing shaft of the present invention;

FIG. 5 is an enlarged view taken at A in FIG. 4;

FIG. 6 is an enlarged view at B in FIG. 4;

fig. 7 is a front view of the fabric pressed by the first pressing shaft and the second pressing shaft of the present invention;

fig. 8 is a schematic structural view of the fabric pressing device of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

The first embodiment is as follows: as shown in fig. 1-7, a cloth spreading machine comprises a frame 1, a working platform 2 and a cutting device 3, wherein the working platform 2 is slidably arranged on the frame 1, a front and a rear limiting device 4 for limiting the movement stroke of the working platform 2 are arranged on the frame 1, a fabric pressing device 5 is arranged between the working platform 2 and the frame 1, an automatic feeding device 6 is arranged at the tail end of the frame 1, and the cutting device 3 is arranged between the automatic feeding device 6 and the fabric pressing device 5. Wherein the cutting device 3 is of prior art.

In this embodiment, as shown in fig. 8, the fabric pressing device 5 includes a first pressing shaft 51, a second pressing shaft 52, a pressing shaft connector 53 and a pressing shaft lifting mechanism, the first pressing shaft 51 and the second pressing shaft 52 are respectively rotatably connected to the working platform 2 through the pressing shaft connector 53, the frame 1 includes a base 11 and an installation frame 12, the working platform 2 is slidably disposed on the base 11, the installation frame 12 includes a first supporting column 121 and a second supporting column 122 respectively disposed at two sides of the base 11, a first supporting cross bar 123 is transversely disposed on the first supporting column 121, the pressing shaft lifting mechanism includes a roller, a lifting plate 542 and a lifting plate resetting component, the roller 541 is rotatably connected to an outer end of the first pressing shaft 51, an upper end of the lifting plate 542 has a lifting surface 543 inclined from top to bottom toward a front end of the working platform 2, the roller 541 can slide along the lifting surface 543, a highest position of the lifting surface 543 is provided with a limiting roller 544, the lower end of the lifting plate 542 is provided with an outward-protruding roller avoiding portion 545, the roller avoiding portion 545 is arranged opposite to the roller limiting groove 544, the inner side of the roller avoiding portion 545 is provided with a roller avoiding groove 546 with two open sides, the roller avoiding portion 545 is installed on the first supporting cross rod 123 through an installation shaft 547, and the lifting plate resetting component is arranged at the free end of the lifting plate 542.

In this embodiment, the lifting plate returning assembly includes a returning spring 55, a spring mounting shaft 56 and a supporting arm 57, the supporting arm 57 includes a fixing portion 571 and a mounting portion 572 vertically connected with the fixing portion 571, the fixing portion 571 is fixed on the first supporting cross bar 123 through a mounting post 58, the spring mounting shaft 56 is disposed between a free end of the mounting portion 572 and a free end of the lifting plate 542, and the returning spring 55 is sleeved on the spring mounting shaft 56 and located between the mounting portion 572 and the lifting plate 542.

Example two: the other structure is the same as the first embodiment, and the difference is that: the pressing shaft connector 53 includes a connecting rod 531, a first connecting shaft 532 and a second connecting shaft 533, the connecting rod 531 is disposed below the working platform 2, the first connecting shaft 532 is vertically disposed at one end of the connecting rod 531, the first connecting shaft 532 is rotationally fixed on one side wall of the working platform 2 through a rotating shaft 534, the second connecting shaft 533 is vertically disposed at the other end of the connecting rod 531, the second connecting shaft 533 is rotationally fixed on the other side wall of the working platform 2 through the rotating shaft 534, one end of the first pressing shaft 51 is fixed at the upper end of the first connecting shaft 532, one end of the second pressing shaft 52 is fixed at the upper end of the second connecting shaft 533, a buffer 535 is disposed between the second connecting shaft 533 and the working platform 2, one end of the buffer 535 is fixed on the lower bottom surface of the second connecting shaft 533, and the other end of the buffer 535 is fixed on the lower bottom surface of the working platform 2.

Example three: the other structures are the same as the embodiment, and the differences are as follows: the base 11 includes two support rods 111 transversely arranged and support legs 112 arranged at two ends of each support rod 111, a plurality of sliding wheels 21 are arranged on the bottom surface of the working platform 2, a slide rail 113 protruding upwards is arranged on the support rods 111, and a slide groove (not shown) matched with the slide rail 113 is arranged on the sliding wheel 21.

In this embodiment, as shown in fig. 5 and 6, the front and rear limiting device 4 includes a front limiting member 41, a rear limiting member 42, a left limiting rod 43 and a right limiting rod 44, the left limiting rod 43 and the right limiting rod 44 are respectively disposed at two sides of the slide rail 113 located at the left side, two ends of the left limiting rod 43 are fixed on the support leg 112, two ends of the right limiting rod 44 are fixed on the support leg 112, the front limiting member 41 is movably disposed on the right limiting rod 44, the front limiting member 41 includes a first clamping hoop 411 and a front limiting block 412 disposed at one end of the first clamping hoop 411, the front limiting block 412 is disposed opposite to the hub of the slide wheel 21, the rear limiting member 42 is movably disposed on the left limiting rod 43, the rear limiting member 42 includes a second clamping hoop 421 and a rear limiting block 422 disposed at one end of the second clamping hoop 421, and the rear limiting block 422 is disposed opposite to the hub of the slide wheel 21.

Example four: the other structures are the same as the three phases of the embodiment, and the difference is that: the automatic feeding device 6 comprises a fabric placing frame 61 and a driving mechanism, the fabric placing frame 61 is installed on the base 11 through a mounting seat 63, the fabric placing frame 61 comprises a supporting shaft 611, a fabric placing arm 612 and a switching arm 613, the supporting shaft 611 is rotatably connected to the mounting seat 63, the fabric placing arm 612 is fixed at two ends of the supporting shaft 611 through the switching arm 613, the fabric placing arm 612 and the switching arm 613 are perpendicular to each other, a fabric mounting plate 614 is arranged at the top of the fabric placing arm 612, a mounting hole 615 is formed in the fabric mounting plate 614, a fabric placing inlet 616 communicated with the mounting hole 615 is further formed in the fabric mounting plate 614, and the driving mechanism drives the supporting shaft 611 to rotate, so that the fabric placing arm 612 is driven to lift.

In this embodiment, the driving mechanism includes a servo motor 621, a speed reducer 622, a first sprocket 623, a second sprocket 624, and a chain 625, wherein an output end of the servo motor 621 is connected to the speed reducer 622, the first sprocket 623 is mounted on an output end of the speed reducer 622, the second sprocket 624 is fixed to the support shaft 611, the first sprocket 623 and the second sprocket 624 are connected by the chain 625, and a tension sprocket 626 is further disposed between the first sprocket 623 and the second sprocket 624.

Example five: the other structures are the same as the fourth embodiment, and the differences are as follows: the cutting device is characterized by further comprising a fabric smoothing mechanism and a fabric anti-slip mechanism, wherein the fabric smoothing mechanism is arranged on the rear side of the cutting device 3 and comprises two stand columns 71 and two central shafts (not shown) which are arranged up and down, the central shafts (not shown) are horizontally fixed between the two stand columns 71, sleeves 72 are sleeved on the central shafts (not shown), gaps for the fabric to pass through are reserved between the upper sleeves 72 and the lower sleeves 72, and the two stand columns 71 are respectively fixed on the first support column 121 and the second support column 122;

the fabric anti-slip mechanism comprises anti-slip cloth 81 and an anti-slip cloth mounting rod 82, the anti-slip cloth mounting rod 82 is fixed on a central shaft located below through a mounting rod connecting arm 83, one end of the anti-slip cloth 81 is fixed on the anti-slip cloth mounting rod 82, the other end of the anti-slip cloth 81 is fixed on a cutting knife rest of the cutting device 3, and the anti-slip cloth mounting rod 82 is located below the cutting knife rest.

In this embodiment, a fabric baffle 9 is disposed at the front end of the working platform 2, the fabric baffle 9 is mounted on the front wall of the working platform 2 through a hinge (not shown), a magnet (not shown) for attracting the fabric baffle 9 is disposed on the front wall of the working platform 2, and a push handle 10 is further disposed at the front end of the working platform 2.

It should be noted that the above mentioned embodiments are only preferred embodiments of the present invention, and not intended to limit the scope of the present invention, and any equivalent changes and modifications of the technical solutions of the present invention, which are covered by the claims of the present invention, are all covered by the present invention.

Claims (10)

1. The cloth spreading machine comprises a rack, a working platform and a cutting device, and is characterized in that the working platform is arranged on the rack in a sliding mode, a front limiting device and a rear limiting device which are used for limiting the movement stroke of the working platform are arranged on the rack, a fabric pressing device is arranged between the working platform and the rack, an automatic feeding device is arranged at the tail end of the rack, and the cutting device is arranged on one side of the automatic feeding device.

2. The tenter according to claim 1, wherein the fabric pressing device comprises a first pressing shaft, a second pressing shaft, a pressing shaft connecting member and a pressing shaft lifting mechanism, the first pressing shaft and the second pressing shaft are respectively rotatably connected to the working platform through the pressing shaft connecting member, the frame comprises a base and a mounting frame, the working platform is slidably arranged on the base, the mounting frame comprises a first supporting column and a second supporting column respectively arranged at two sides of the base, a first supporting cross bar is transversely arranged on the first supporting column, the pressing shaft lifting mechanism comprises a roller, a lifting plate and a lifting plate resetting component, the roller is rotatably connected to the outer end of the first pressing shaft, the upper end of the lifting plate is provided with a lifting surface inclined towards the front end of the working platform from top to bottom, the gyro wheel can follow the lifting face slide, the highest point of lifting face be provided with the gyro wheel spacing groove, the lower extreme of lifting the board be provided with outside bellied gyro wheel portion of dodging, the gyro wheel dodge the portion with the gyro wheel spacing groove set up relatively, the inboard of gyro wheel portion of dodging be provided with the gyro wheel of two sides open and dodge the groove, the gyro wheel dodge the portion and install through the installation axle first support horizontal pole on, lifting board reset assembly set up lifting the board the free end.

3. The tenter according to claim 2, characterized in that said lifting plate reset assembly comprises a reset spring, a spring mounting shaft and a support arm, said support arm comprises a fixing portion and a mounting portion vertically connected with said fixing portion, said fixing portion is fixed on said first support cross bar by a mounting post, said spring mounting shaft is disposed between the free end of said mounting portion and the free end of said lifting plate, said reset spring is sleeved on said spring mounting shaft and is located between said mounting portion and said lifting plate.

4. The tenter according to claim 3, wherein the presser bar connecting member comprises a connecting bar, a first connecting shaft and a second connecting shaft, the connecting bar is disposed under the work platform, the first connecting shaft is vertically disposed at one end of the connecting bar, the first connecting shaft is rotatably fixed to one side wall of the work platform by a rotating shaft, the second connecting shaft is vertically disposed at the other end of the connecting bar, the second connecting shaft is rotatably fixed to the other side wall of the work platform by a rotating shaft, one end of the first presser bar is fixed to an upper end of the first connecting shaft, one end of the second presser bar is fixed to an upper end of the second connecting shaft, a buffer is disposed between the second connecting shaft and the work platform, one end of the buffer is fixed to a lower bottom surface of the second connecting shaft, the other end of the buffer is fixed on the lower bottom surface of the working platform.

5. The cloth spreading machine according to claim 2, wherein the base comprises two transversely disposed support bars and support legs disposed at both ends of each support bar, a plurality of sliding wheels are disposed on the bottom surface of the working platform, the support bars are provided with upwardly protruding sliding rails, and the sliding wheels are provided with sliding grooves matched with the sliding rails.

6. The cloth spreading machine according to claim 5, wherein the front and rear limiting device comprises a front limiting member, a rear limiting member, a left limiting rod and a right limiting rod, the left limiting rod and the right limiting rod are respectively disposed at two sides of the slide rail at the left side, two ends of the left limiting rod are fixed on the support legs, two ends of the right limiting rod are fixed on the support legs, the front limiting member is movably disposed on the right limiting rod, the front limiting member comprises a first clamping hoop and a front limiting block disposed at one end of the first clamping hoop, the front limiting block is disposed opposite to the hub of the slide wheel, the rear limiting member is movably disposed on the left limiting rod, the rear limiting member comprises a second clamping hoop and a rear limiting block disposed at one end of the second clamping hoop, the rear limiting block is arranged opposite to the sliding wheel hub.

7. The cloth spreading machine according to claim 5, wherein said automatic feeding device comprises a fabric placing frame and a driving mechanism, the fabric placing frame is arranged on the base through a mounting seat and comprises a supporting shaft, a fabric placing arm and a transfer arm, the supporting shaft is rotatably connected to the mounting seat, the fabric placing arms are fixed at two ends of the supporting shaft through the switching arms, the fabric placing arm is vertical to the switching arm, a fabric mounting plate is arranged at the top of the fabric placing arm, the fabric mounting plate is provided with mounting holes and fabric placing inlets communicated with the mounting holes, the driving mechanism drives the supporting shaft to rotate, so that the fabric placing arm is driven to lift.

8. The tenter as claimed in claim 7, wherein said driving mechanism comprises a servo motor, a speed reducer, a first sprocket, a second sprocket and a chain, an output end of said servo motor is connected to said speed reducer, said first sprocket is mounted on an output end of said speed reducer, said second sprocket is fixed to said support shaft, said first sprocket and said second sprocket are connected by said chain, and a tension sprocket is further disposed between said first sprocket and said second sprocket.

9. The cloth pulling machine according to claim 5, characterized by further comprising a fabric smoothing mechanism and a fabric anti-slip mechanism, wherein the fabric smoothing mechanism is arranged at the rear side of the cutting device and comprises two upright posts and two central shafts arranged up and down, the central shafts are horizontally fixed between the two upright posts, sleeves are sleeved on the central shafts, a gap for fabric to pass through is reserved between the upper sleeve post and the lower sleeve post, and the two upright posts are respectively fixed on the first supporting post and the second supporting post;

the anti-slip mechanism for the fabric comprises anti-slip cloth and an anti-slip cloth mounting rod, the anti-slip cloth mounting rod is fixed on the central shaft below the anti-slip cloth mounting rod through a mounting rod connecting arm, one end of the anti-slip cloth is fixed on the anti-slip cloth mounting rod, the other end of the anti-slip cloth is fixed on a cutting tool rack of the cutting device, and the anti-slip cloth mounting rod is located below the cutting tool rack.

10. The cloth spreading machine according to claim 1, wherein a fabric baffle is arranged at the front end of the working platform, the fabric baffle is mounted on the front wall of the working platform through a hinge, a magnet for attracting the fabric baffle is arranged on the front wall of the working platform, and a pushing handle is further arranged at the front end of the working platform.

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