CN213568699U - Cloth spreading machine and cloth spreading device thereof - Google Patents

Abstract

The utility model belongs to the technical field of the granny rag machine, specifically disclose a granny rag machine and granny rag device thereof, the granny rag device includes: the frame is arranged on the workbench and can move forwards/backwards on the workbench along the length direction of the workbench; and the two second cloth placing platforms are respectively arranged on the two frames and respectively contain a piece of cloth. Adopt the technical scheme of the utility model, two cloth are placed respectively on two second cloth placing platforms, and make the turn-up face of two cloth set up relatively, two draw cloth to close the cloth roller and stimulate respectively and get into the rolling passageway rolling behind two trimming devices and merge to the removal of cloth laying mechanism, the turn-up that can have cut off two cloth through two trimming devices makes the cloth can be smoothly through the first cloth placing platform of cloth laying mechanism laying superpose, also accessible rolling passageway rolling merges and makes two cloth material roll up the face and produce the effort of each other, prevent that the cloth from rolling up once more after the first cloth placing platform of cloth laying mechanism laying superpose.

Description

Cloth spreading machine and cloth spreading device thereof

Technical Field

The utility model relates to a granny rag machine technical field, in particular to granny rag machine and granny rag device thereof.

Background

In the clothing production industry, the granny rag is the first process of clothing, and granny rag and cut-out fabric have crucial effect, and the granny rag quality has decided the quality of whole production, just regular cut-parts can only sew out the clothes that accords with the specification, and if the cut-parts are irregular, even good sewing machine and outstanding sewing worker again, also be difficult to sew out high-quality clothes. The prior spreading machine is used for spreading and pulling out a whole roll of cloth with a proper length, and then cutting and cutting the whole roll of cloth into cloth with a proper area size for superposition, but due to the characteristics of the cloth, the cloth surface is easy to wrinkle, the selvedge can generate a curling phenomenon, the spreading quality is seriously influenced, and the clothing quality is further influenced.

SUMMERY OF THE UTILITY MODEL

To the not enough of prior art existence, the utility model aims at providing a granny rag machine and granny rag device thereof.

In order to solve the technical problem, the utility model discloses a technical scheme does: the utility model provides a granny rag device, is applied to granny rag machine, and granny rag machine has workstation and first cloth platform of putting, and granny rag device includes: the frame is arranged on the workbench and can move forwards/backwards on the workbench along the length direction of the workbench; the two second cloth placing platforms are respectively arranged on the two frames and respectively contain one cloth; the cloth feeding mechanism comprises two edge shearing devices, a cloth feeding driving motor and two cloth pulling and combining rollers; the two edge shearing devices are respectively arranged on two sides of the frame and are respectively used for shearing the turned edges of the two pieces of cloth, and when the two pieces of cloth respectively pass through the two edge shearing devices, the two edge shearing devices respectively shear the turned edges of the two pieces of cloth; the cloth feeding driving motor is arranged on the rack and used for providing power; the two cloth pulling and combining rollers are rotatably arranged on the frame, a rolling channel is limited between the two cloth pulling and combining rollers, and the cloth feeding driving motor drives the two cloth pulling and combining rollers to respectively pull the two pieces of cloth to pass through the two trimming devices, then the cloth enters the rolling channel to be rolled and moves downwards; and the cloth paving mechanism is arranged on the rack and positioned below the rolling channel, the cloth paving mechanism is used for paving and superposing the two combined cloths on the first cloth arranging platform, and when the rack moves forwards/backwards along the length direction of the workbench, the cloth paving mechanism paves and superposes the two cloths on the first cloth arranging platform.

Further, the cloth feeding mechanism also comprises two groups of first cloth spreading rollers and two groups of second cloth spreading rollers; the two groups of first cloth spreading rollers are respectively and rotatably arranged on two sides of the frame and are respectively positioned in front of the edge shearing stations of the two edge shearing devices; the two groups of second cloth spreading rollers are respectively and rotatably arranged on two sides of the frame and are respectively positioned behind the edge cutting stations of the two edge cutting devices and in front of the cloth spreading and combining stations of the two cloth spreading and combining rollers.

Furthermore, the cloth feeding mechanism further comprises two static elimination rods, and the two static elimination rods are respectively arranged on two sides of the frame and are respectively positioned in front of the cloth spreading stations of the two groups of first cloth spreading rollers.

Furthermore, the cloth feeding mechanism further comprises two arc-shaped supporting rods, wherein the two arc-shaped supporting rods are respectively arranged on two sides of the frame and are respectively positioned behind the two static eliminating rods.

Furthermore, the cloth feeding mechanism also comprises two groups of cloth pulling rollers and two groups of cloth shifting rollers, wherein the two groups of cloth pulling rollers and the two groups of cloth shifting rollers are respectively arranged on two sides of the frame and are respectively and sequentially positioned in front of the static elimination stations of the two static elimination rods.

Further, spread cloth mechanism includes: the fixing frame is arranged on the rack; the driving source is arranged on the fixed frame and used for providing power; the lifting frame is arranged on the fixed frame in a lifting manner, and the driving source can drive the lifting frame to lift on the fixed frame; the cloth cutting device is arranged on the lifting frame; the cloth spreading assembly is arranged on the lifting frame and comprises a speed reducing motor and a cloth spreading roller connected with the speed reducing motor, and the speed reducing motor drives the cloth spreading roller to rotate to spread and superpose the cloth.

Furthermore, the number of the cloth cutting devices is two, and the number of the cloth spreading assemblies is two; two cloth cutting devices and two groups of cloth spreading assemblies are symmetrically arranged on the lifting frame.

Further, the cloth spreading mechanism also comprises an angle adjusting frame and an angle adjusting cylinder; the angle adjusting frame is hinged with the lifting frame, and each group of cloth spreading assemblies are respectively fixed on the angle adjusting frame; the angle adjusting cylinder is fixedly arranged on the lifting frame, the telescopic rod of the angle adjusting cylinder is connected with the angle adjusting frame, and the angle adjusting cylinder drives the telescopic rod to stretch and drive the angle adjusting frame to rotate and adjust the angle.

Further, spread cloth mechanism still includes the first position sensor that is used for perception crane elevating state, and first position sensor is fixed to be set up on the mount and is corresponded crane lift stroke end position.

The utility model also provides a granny rag machine, include: a work table; the first cloth placing platform is arranged on the workbench and used for containing cloth; any of the above apparatus; and the two limiting devices are respectively arranged on the workbench and positioned at the starting point position and the end point position of the reciprocating movement of the rack and are used for sensing the moving position of the rack so as to limit the rack.

By adopting the technical scheme, the two pieces of cloth are respectively placed on the two second cloth placing platforms, the curling surfaces of the two pieces of cloth are oppositely arranged, the two cloth pulling and cloth combining rollers respectively pull the two cloth to pass through the two edge shearing devices and then enter the rolling channel to roll and move towards the cloth laying mechanism, the curling edges of the two pieces of cloth can be cut off by the two edge shearing devices, so that the cloth can be smoothly paved and overlapped on the first cloth placing platform through the cloth laying mechanism, and the curling surfaces of the two pieces of cloth can mutually generate acting force through the rolling channel to roll and combine, so that the cloth is prevented from being rolled up again after being paved and overlapped on the first cloth placing platform by the cloth laying mechanism.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic structural view of the cloth spreading machine of the present invention;

FIG. 2 is a schematic view of a portion A of FIG. 1;

FIG. 3 is a schematic view of the working principle of the cloth feeding mechanism of the present invention;

FIG. 4 is a schematic structural view of the cloth spreading mechanism of the present invention;

fig. 5 is a schematic view of a partial structure of the part B in fig. 4.

In the figure, 100-a first arrangement platform, 200-a first arrangement platform, 300-a cloth pulling device, 310-a frame, 320-a second arrangement platform, 330-a cloth feeding mechanism, 331-a trimming device, 333-a cloth pulling and combining roller, 334-a first cloth spreading roller, 335-a second cloth spreading roller, 336-an electrostatic elimination rod, 337-an arc-shaped stay rod, 338-a cloth pulling roller, 339-a cloth pulling roller, 340-a cloth spreading mechanism, 341-a fixed frame, 342-a driving source, 343-a lifting frame, 344-a cloth cutting device, 345-a cloth spreading component, 3451-a speed reducing motor, 3452-a third cloth spreading roller, 3453-an elastic pressure plate, 346-an angle adjusting frame, 347-an angle adjusting cylinder, 348-a first position sensor, 349-a lifting screw rod, 3401-a second position sensor, 3402-gas spring, 400-limiting device and 500-material distribution.

Detailed Description

The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Fig. 1 to 5 are schematic structural views of a spreader according to an embodiment. The cloth spreading machine in this embodiment includes a work table 100, a first cloth placing platform 200, a cloth spreading device 300, and a limiting device 400.

The work table 100 mainly serves as a support for supporting the first laying platform 200, the cloth spreading device 300, the cloth pressing device, and other components.

The first disposing platform 200 is disposed on the working platform 100 and is mainly used for accommodating the cloth 500. In the embodiment, the cloth 500 may be a knitted cloth 500, and the cloth 500 is spread and stacked on the first arranging platform 200 by the cloth spreading device 300. Of course, in other embodiments, the cloth 500 may be various elastic cloths 500.

The cloth spreading device 300 includes a frame 310, a second arrangement platform 320, a cloth feeding mechanism 330, and a cloth spreading mechanism 340.

The frame 310 is disposed on the table 100 and can move back and forth on the table 100 along the length of the table 100. Specifically, a linear track is disposed on the working table 100 along the length direction, a traveling wheel movable along the linear track and a traveling driving motor connected to the traveling wheel are disposed on the frame 310, and the traveling driving motor drives the traveling wheel to rotate clockwise/counterclockwise to move the frame 310 on the moving track. During the forward/backward movement of the frame 310, the cloth feeding mechanism 330 and the cloth spreading mechanism 340 spread and stack the cloth 500 on the first arranging platform 200.

The number of the second arranging platforms 320 is two, and two second arranging platforms 320 are disposed at two sides of the frame 310 and respectively accommodate one cloth 500. Specifically, in the present embodiment, two cloth materials 500 may be placed on the two second placement platforms 320 by a human or other machine, respectively, so as to be fed by the cloth feeding mechanism 330. Of course, in other embodiments, the number of the second arrangement platforms 320 may be more than two, as long as two pieces of cloth 500 can be accommodated.

The cloth feeding mechanism 330 comprises an edge shearing device 331, a cloth feeding driving motor and a cloth pulling and combining roller 333.

The number of the edge shearing devices 331 is two, and the two edge shearing devices 331 are respectively arranged at two sides of the rack 310; the two trimming devices 331 are respectively used for trimming the curled edges of the two pieces of cloth 500, and when the two pieces of cloth 500 respectively pass through the two trimming devices 331, the two trimming devices 331 respectively trim the curled edges of the two pieces of cloth 500.

The cloth feeding driving motor is disposed on the frame 310 for providing power.

The two cloth pulling and combining rollers 333 are rotatably arranged on the frame 310, a rolling channel is defined between the two cloth pulling and combining rollers 333, and the cloth feeding driving motor drives the two cloth pulling and combining rollers 333 to respectively pull the two cloth materials 500 to pass through the two trimming devices 331 and then enter the rolling channel to be rolled and move downwards.

The cloth spreading mechanism 340 is disposed on the frame 310 and located below the rolling channel, the cloth spreading mechanism 340 is configured to spread and overlap the two combined cloth materials 500 on the first cloth placing platform 200, and when the frame 310 moves forward/backward on the working platform 100, the cloth spreading mechanism 340 spreads and overlaps the two combined cloth materials 500 on the first cloth placing platform 200.

Two cloth materials 500 are respectively placed on the two second cloth placing platforms 320, the curling surfaces of the two cloth materials 500 are arranged oppositely, the two cloth pulling and combining rollers 333 are respectively pulled to pass through the two edge shearing devices 331 and then enter the rolling channel to be rolled and move towards the cloth laying mechanism 340, namely, the curling edges of the two cloth materials 500 are cut off by the two edge shearing devices 331, so that the cloth materials 500 can be smoothly paved and overlapped on the first cloth placing platform 200 through the cloth laying mechanism 340, and the curling surfaces of the two cloth materials 500 can generate acting force mutually through the rolling channel to prevent the cloth materials 500 from being paved and overlapped on the first cloth placing platform 200 by the cloth paving mechanism 340 and then rolled up again.

The number of the limiting devices 400 is two, and the two limiting devices 400 are respectively disposed on the working table 100 and located at a starting position and an ending position of the reciprocating movement of the rack 310, and are used for sensing the movement position of the rack 310 to limit the rack 310. Specifically, in the present embodiment, the position limiting device 400 includes a sensing strip, and senses whether the rack 310 moves forward/backward to the starting position or the ending position by the sensing strip to send a stop or return signal to limit the rack 310.

In the present embodiment, the cloth spreading mechanism 340 includes: a fixed mount 341 disposed on the frame 310; a driving source 342 disposed on the fixing frame 341 for providing power; the lifting frame 343 is arranged on the fixed frame 341 in a lifting manner, and the driving source 342 can drive the lifting frame 343 to lift on the fixed frame 341; the cloth cutting device 344 is arranged on the lifting frame 343; the spreading assembly 345 is arranged on the lifting frame 343, the spreading assembly 345 comprises a speed reducing motor 3451 and a third spreading roller 3452 connected with the speed reducing motor 3451, and the speed reducing motor 3451 drives the third spreading roller 3452 to rotate so as to lay the cloth 500 flat and overlap. Specifically, the lifting frame 343 is driven by the driving source 342 to adjust the heights of the spreading assembly 345 and the cloth cutting device 344, so that the spreading assembly 345 and the cloth cutting device 344 always keep a proper processing height with the cloth 500 paved below the cloth paving mechanism 340, the speed regulating motor controls the rotating speed of the third spreading roller 3452 according to the material of the cloth 500, the tension transverse spreading amount of the cloth 500 is kept in a proper range for the cloth cutting device 344 to perform cloth cutting operation, the processing quality is improved, and the problem that the shrinkage amount is too large after the cloth 500 is cut to cause waste is solved. Preferably, the cloth spreading assembly 345 further comprises an elastic pressing plate 3453, the elastic pressing plate 3453 is located below the third cloth spreading roller 3452, the cloth 500 passes through the third cloth spreading roller 3452 to contact with the elastic pressing plate 3453, the cloth 500 is shifted in the cloth spreading process through the elastic pressing plate 3453, the tension of the cloth 500 is further eliminated, and the cloth can be flatly placed in the cloth spreading process without manual edge shifting of the working personnel, so that the working strength of the working personnel is reduced.

In this embodiment, the driving source 342 is a lifting driving motor, and the fixing frame 341 is provided with a lifting screw 349 in driving connection with the driving motor; the lead screw nut of the lifting lead screw 349 is connected with the lifting frame 343, and the lifting driving motor drives the lifting lead screw 349 to rotate so as to enable the lead screw nut and the lifting frame 343 to lift.

In this embodiment, the number of the cloth cutting devices 344 is two, and the number of the spreading assemblies 345 is two; the two cloth cutting devices 344 and the two cloth spreading assemblies 345 are symmetrically arranged on the lifting frame 343. Specifically, the two cloth cutting devices 344 and the two groups of cloth spreading assemblies 345 are symmetrically arranged, so that the cloth spreading mechanism 340 has a function of circularly spreading cloth; for example, when the spreading machine is used for spreading cloth leftwards, the cloth spreading assembly 345 of the cloth spreading mechanism 340 is used for spreading cloth leftwards, when the preset end point of the left-side spreading is reached, the cloth cutting device 344 is used for cutting the cloth 500, the spreading machine is used for spreading cloth rightwards, the cloth spreading assembly 345 of the cloth spreading mechanism 340 is used for spreading cloth rightwards, when the preset end point of the right-side spreading is reached, the cloth cutting device 344 is used for cutting the cloth 500, and the operation is repeated, so that the cloth spreading efficiency of the spreading machine is improved.

In this embodiment, the cloth spreading mechanism 340 further includes an angle adjusting frame 346 and an angle adjusting cylinder 347; the angle adjusting frame 346 is hinged with the lifting frame 343, and each group of spreading components 345 are respectively fixed on the angle adjusting frame 346; the angle adjusting cylinder 347 is fixedly arranged on the lifting frame 343, the telescopic rod of the angle adjusting cylinder 347 is connected with the angle adjusting frame 346, and the angle adjusting cylinder 347 drives the telescopic rod to stretch and drive the angle adjusting frame 346 to rotate and adjust the angle. Specifically, the angle of the angle adjusting frame 346 is adjusted to drive the spreading assembly 345, so that the left and right cloth 500 of the cloth spreading mechanism 340 are both matched with the third spreading roller 3452.

In this embodiment, the spreading mechanism 340 further includes a first position sensor 348 for sensing the lifting state of the lifting frame 343, and the first position sensor 348 is fixedly disposed on the fixed frame 341 corresponding to the end position of the lifting stroke of the lifting frame 343. Specifically, the first position sensor 348 may be a proximity switch, and when the lifting frame 343 is lifted to the end position of the stroke, the first position sensor 348 sends a signal to control the whole machine to stop moving, so that the worker can perform the blanking of the cloth 500, adjust the position of the lifting frame 343, and continue to process the cloth.

In this embodiment, the spreading mechanism 340 further includes a second position sensor 3401 for detecting the elevation height of the elevation frame 343, and the second position sensor 3401 is fixedly disposed on the elevation frame 343. Specifically, the lifting height of the lifting frame 343 is sensed by the second position sensor 3401, so that the preset distance is always accurately kept between the lifting frame 343 and the cloth 500 for cloth paving.

In this embodiment, the cloth spreading mechanism 340 further includes a gas spring 3402; one end of the gas spring 3402 is fixedly connected with the lifting frame 343, and the other end of the gas spring 3402 is fixedly connected with the fixing frame 341. Specifically, the gas spring 3402 is used to balance the weight of the crane 343 and the components on the crane 343 to reduce the lifting load of the driving source 342.

In this embodiment, the cloth feeding mechanism 330 further includes two sets of first cloth spreading rollers 334 and two sets of second cloth spreading rollers 335; the two groups of first cloth spreading rollers 334 are respectively rotatably arranged at two sides of the frame 310 and are respectively positioned in front of the edge cutting stations of the two edge cutting devices 331; the two groups of second spreading rollers 335 are respectively rotatably disposed at two sides of the frame 310 and are respectively located after the trimming stations of the two trimming devices 331 and before the spreading and cloth-closing stations of the two spreading and cloth-closing rollers 333. The two groups of first spreading rollers 334 and the two groups of second spreading rollers 335 are used for spreading the cloth 500; when two cloth materials 500 pass through the two sets of first cloth spreading rollers 334 and the two sets of second cloth spreading rollers 335, the two sets of first cloth spreading rollers 334 and the two sets of second cloth spreading rollers 335 spread the two cloth materials 500 respectively. After the two cloth materials 500 are respectively spread by the two groups of first spreading rollers 334, the two cloth materials 500 are cut by the two edge cutting devices 331, so that the two edge cutting devices 331 can accurately cut the edges of the two cloth materials 500; and (4) passing. The two cloth materials 500 sequentially pass through the two edge shearing devices 331 and the two groups of second spreading rollers 335 to enter the rolling passages of the two cloth spreading and combining rollers 333 for combination, so that no wrinkle occurs when the two cloth materials 500 enter the rolling passages for combination.

In this embodiment, the cloth feeding mechanism 330 further includes two static elimination rods 336, and the two static elimination rods 336 are respectively disposed at two sides of the frame 310 and respectively located in front of the spreading stations of the two sets of first spreading rollers 334. Two static elimination pole 336 are used for eliminating the static of two cloth 500 respectively, and when two cloth 500 passed through two static elimination pole 336 respectively, two static elimination pole 336 were eliminated two cloth 500's static respectively, and two cloth 500 was passed through two sets of first exhibition cloth rollers 334 after two static elimination pole 336 static elimination respectively and was opened up two cloth 500 exhibition, prevented that cloth 500 from appearing the batching phenomenon in the in-process of follow-up granny rag. Preferably, the cloth feeding mechanism 330 further includes two arc-shaped supporting rods 337, and the two arc-shaped supporting rods 337 are respectively disposed at two sides of the rack 310 and are respectively located behind the two static electricity eliminating rods 336. The two arc-shaped supporting rods 337 support the two cloth materials 500 after the two cloth materials 500 are destaticized by the two static electricity destaticizing rods 336, respectively, to cooperate with the two sets of first cloth spreading rollers 334 to spread the cloth.

In this embodiment, the cloth feeding mechanism 330 further includes two cloth pulling rollers 338 and two cloth poking rollers 339, wherein the two cloth pulling rollers 338 and the two cloth poking rollers 339 are respectively disposed on two sides of the frame 310 and respectively located in front of the electrostatic eliminating stations of the two electrostatic eliminating rods 336 in sequence. The two groups of cloth pulling rollers 338 are used for pulling two cloth materials 500 respectively, the two groups of cloth poking rollers 339 are used for poking the two cloth materials 500 respectively, and the two cloth materials 500 placed on the two second cloth placing platforms 320 are poked through the two groups of cloth poking rollers 339 respectively in sequence, and the two groups of cloth pulling rollers 338 are pulled to move towards the two static eliminating rods 336 for static elimination.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.

Claims (10)

1. A spreading device applied to a spreading machine having a worktable (100) and a first laying platform (200), characterized in that it comprises:

a frame (310) which is arranged on the workbench (100) and can move back and forth on the workbench (100) along the length direction of the workbench (100);

two second arrangement platforms (320) respectively arranged on the rack (310) and respectively accommodating one cloth (500);

the cloth feeding mechanism (330) comprises two edge shearing devices (331), a cloth feeding driving motor and two cloth pulling and combining rollers (333); the two edge shearing devices (331) are respectively arranged on two sides of the rack (310) and are respectively used for shearing the turned edges of the two cloth materials (500), and when the two cloth materials (500) respectively pass through the two edge shearing devices (331), the two edge shearing devices (331) respectively shear the turned edges of the two cloth materials (500); the cloth feeding driving motor is arranged on the rack (310) and used for providing power; the two cloth pulling and combining rollers (333) are rotatably arranged on the rack (310), a rolling channel is defined between the two cloth pulling and combining rollers (333), and the cloth feeding driving motor drives the two cloth pulling and combining rollers (333) to respectively pull two pieces of cloth (500) to pass through the two edge shearing devices (331) and then enter the rolling channel to be rolled and move downwards;

spread cloth mechanism (340), set up and be located the milling passageway below on frame (310), spread cloth mechanism (340) and be used for two cloth (500) after will merging and spread the superpose first cloth platform (200) of putting work as frame (310) is followed during workstation (100) length direction is during the reciprocating motion, spread cloth mechanism (340) and spread the superpose with two cloth (500) first cloth platform (200) of putting.

2. The cloth spreading device of claim 1, wherein the cloth feeding mechanism (330) further comprises two sets of first spreading rollers (334) and two sets of second spreading rollers (335); the two groups of first cloth spreading rollers (334) are respectively and rotatably arranged on two sides of the rack (310) and are respectively positioned in front of the edge cutting stations of the two edge cutting devices (331); the two groups of second cloth spreading rollers (335) are respectively and rotatably arranged on two sides of the rack (310) and are respectively positioned behind the trimming stations of the two trimming devices (331) and in front of the cloth spreading and combining stations of the two cloth spreading and combining rollers (333).

3. The cloth spreading device according to claim 2, wherein the cloth feeding mechanism (330) further comprises two static elimination rods (336), and the two static elimination rods (336) are respectively arranged at two sides of the frame (310) and respectively positioned in front of the spreading stations of the two groups of first spreading rollers (334).

4. The cloth pulling device according to claim 3, wherein the cloth feeding mechanism (330) further comprises two arc-shaped support rods (337), and the two arc-shaped support rods (337) are respectively arranged at two sides of the machine frame (310) and are respectively positioned behind the two static eliminating rods (336).

5. The cloth spreading device according to claim 3, wherein the cloth feeding mechanism (330) further comprises two groups of cloth spreading rollers (338) and two groups of cloth spreading rollers (339), and the two groups of cloth spreading rollers (338) and the two groups of cloth spreading rollers (339) are respectively arranged on two sides of the rack (310) and respectively positioned in front of the static elimination stations of the two static elimination bars (336) in sequence.

6. The cloth spreading device according to claim 1, wherein the cloth spreading mechanism (340) comprises:

a fixed mount (341) disposed on the frame (310);

the driving source (342) is arranged on the fixing frame (341) and is used for providing power;

the lifting frame (343) is arranged on the fixed frame (341) in a lifting manner, and the driving source (342) can drive the lifting frame (343) to lift on the fixed frame (341);

the cloth cutting device (344) is arranged on the lifting frame (343);

the cloth spreading assembly (345) is arranged on the lifting frame (343), the cloth spreading assembly (345) comprises a speed reducing motor (3451) and a third cloth spreading roller (3452) connected with the speed reducing motor (3451), and the speed reducing motor (3451) drives the third cloth spreading roller (3452) to rotate so as to lay and stack cloth (500).

7. The spreading device according to claim 6, wherein the number of the cloth cutting devices (344) is two, and the number of the spreading assemblies (345) is two; the two cloth cutting devices (344) and the two groups of cloth spreading components (345) are symmetrically arranged on the lifting frame (343).

8. The cloth spreading device according to claim 7, wherein the cloth spreading mechanism (340) further comprises an angle adjusting frame (346) and an angle adjusting cylinder (347); the angle adjusting frame (346) is hinged with the lifting frame (343), and each group of spreading assemblies (345) is respectively fixed on the angle adjusting frame (346); the angle adjusting cylinder (347) is fixedly arranged on the lifting frame (343), a telescopic rod of the angle adjusting cylinder (347) is connected with the angle adjusting frame (346), and the angle adjusting cylinder (347) drives the telescopic rod to stretch and drive the angle adjusting frame (346) to rotate for adjusting the angle.

9. The cloth spreading device according to claim 6, wherein the cloth spreading mechanism (340) further comprises a first position sensor (348) for sensing the lifting state of the lifting frame (343), and the first position sensor (348) is fixedly arranged on the fixed frame (341) corresponding to the lifting stroke end position of the lifting frame (343).

10. A tenter characterized by comprising:

a table (100);

the first arrangement platform (200) is arranged on the workbench (100) and used for accommodating cloth (500);

a tarpaulin device (300) according to any of the claims 1 to 9;

the two limiting devices (400) are respectively arranged on the workbench (100) and located at the starting position and the end position of the reciprocating movement of the rack (310), and are used for sensing the movement position of the rack (310) to limit the rack (310).

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