Cloth paving machine for automobile seat fabric

Abstract

The invention belongs to the technical field of cutting beds, and relates to a cloth paving machine for automobile seat fabric, which comprises a cloth feeding mechanism, the cloth feeding mechanism comprises a bottom frame, a cradle type cloth bucket hinged on the bottom frame and a cloth feeding roller arranged at the front end of the cloth bucket, a plurality of flexible conveying belts driven by a power device are arranged in the cloth bucket, and the cloth feeding roller is arranged at the front end of the cloth bucket. The flexible conveying belt and the cloth feeding roller move synchronously so as to convey fabric. The cloth discharging mechanism comprises a cloth discharging plate which is obliquely arranged, and the cloth discharging plate is connected with the cloth feeding mechanism and the cutting platform; the cloth hopper is driven by a power device to turn over between a cloth feeding position and a cloth feeding position, when the cloth hopper is located at the cloth feeding position, a cloth feeding plane is formed on the rear side portion of the cloth hopper, and when the cloth hopper is located at the cloth feeding position, the cloth feeding roller is turned over to the position above the rear end of the cloth discharging plate. According to the cloth paving machine for the automobile seat fabric, the cloth paving requirement of the automobile seat fabric can be better met, the cloth paving precision is high, and folding marks and fluffiness of the fabric are avoided during cloth paving.

Description

Technical Field

[0001] The invention belongs to the technical field of cutting machines and relates to a spreading machine for automobile seat fabrics. Background Art

[0002] A cloth spreading machine is a machine that aligns and lays the fabrics layer by layer on a cutting table for cutting. Car seats are a huge market besides clothing fabrics. There are foam, silk cotton, fabric, artificial leather, hard non-woven fabric, carpet fabric and leather. The fabrics are hard, smooth and thick. The cloth spreading roll can be as large as 1.1m, and there should be no creases when spreading.

[0003] Traditional spreading machines have many shortcomings when spreading car seat fabrics: the diameter of the fabric roll is much larger than the applicable range of the traditional spreading machine's fabric bucket; it is time-consuming and laborious to pass the fabric in multiple arcs and it is easy to cause creases on the fabric; because the fabric is smooth and thick, it is easy to cause the lower fabric to move when the upper fabric is transmitted, so the fabric bucket fabric is easy to be fluffy during the spreading process, affecting the spreading accuracy. Therefore, it is necessary to design a special spreading mechanism to meet the spreading needs of this kind of fabric.

[0004] Chinese invention patent CN108657866A (published on October 16, 2018) discloses a cloth spreading auxiliary device for large cloth rolls and thick cloth, comprising a machine wall 1 and a machine wall 2 arranged in parallel and spaced apart; a support rod is fixedly arranged between the machine wall 1 and the machine wall 2, characterized in that a side wall mounting plate 1 is provided on the upper side of the machine wall 1, and a side wall mounting plate 2 is provided on the upper side of the machine wall 2; a cloth bucket transmission rod and a cloth roll support rod are provided between the side wall mounting plate 1 and the side wall mounting plate 2; a motor for driving the cloth bucket transmission rod to rotate is fixedly arranged on the outer side of the side wall mounting plate 1 or the side wall mounting plate 2; a motor for driving the cloth bucket transmission rod to rotate is fixedly arranged on the upper side of the side wall mounting plate 1 A mounting arm 1 capable of swinging is provided, and a mounting arm 2 capable of swinging is provided on the side wall mounting plate 2, and the two ends of the cloth roll support rod are respectively connected to the mounting arm 1 and the mounting arm 2; a transition rod 1 and a transition rod 2 are respectively arranged between the side wall mounting plate 1 and the side wall mounting plate 2, and the transition rod 1 and the transition rod 2 are spaced apart above the side wall mounting plate 1 and the side wall mounting plate 2, and the height of the transition rod 1 is higher than the height of the transition rod 2; a swing rod 1 is hinged on the side surface of the side wall mounting plate 1, and a swing rod 2 is hinged on the side surface of the side wall mounting plate 2, and a mop rod is fixed between the outer end of the swing rod 1 and the outer end of the swing rod 2.

[0005] The above-mentioned cloth spreading auxiliary device is specially used for spreading large cloth rolls and thick cloth, and can be adapted to larger, thicker and taller cloth, but it still cannot solve the problem that the fabric is prone to creases and fluffiness. Summary of the invention

[0006] In view of the deficiencies in the prior art, the present invention provides a spreading machine for automobile seat fabrics, which can better meet the spreading needs of automobile seat fabrics, has high spreading accuracy, and will not cause creases or bulk on the fabrics during spreading.

[0007] In order to solve the above technical problems, the purpose of the present invention is achieved through the following technical solutions:

[0008] A spreading machine for automobile seat fabrics, comprising:

[0009] A cloth feeding mechanism, the cloth feeding mechanism comprises a base frame, a cradle-type cloth bucket hinged on the base frame, and a cloth feeding roller arranged at the front end of the cloth bucket, wherein a plurality of flexible conveyor belts driven by power devices are arranged in the cloth bucket, and the flexible conveyor belts move synchronously with the cloth feeding roller to convey the fabric;

[0010] A cloth lowering mechanism, the cloth lowering mechanism comprising a cloth lowering plate arranged obliquely, the cloth lowering plate being connected to the cloth feeding mechanism and the cutting platform;

[0011] The cloth bucket is driven by a power device to flip between the upper cloth position and the cloth feeding position. When the cloth bucket is located at the upper cloth position, the rear side of the cloth bucket forms an upper cloth plane. When the cloth bucket is located at the cloth feeding position, the cloth feeding roller flips to a position above the rear end of the lower cloth plate.

[0012] In the above-mentioned cloth spreading machine for automobile seat fabrics, the cloth bucket includes a driving shaft, a front driven shaft and a rear driven shaft, a front conveyor belt is arranged between the driving shaft and the front driven shaft, and a rear conveyor belt is arranged between the driving shaft and the rear driven shaft, the front conveyor belt and the rear conveyor belt are arranged alternately, and the driving shaft, the front driven shaft, the rear driven shaft, the front conveyor belt, and the rear conveyor belt together form a cradle-type cloth bucket structure.

[0013] In the above-mentioned spreading machine for automobile seat fabrics, the driving shaft, front driven shaft and rear driven shaft are arranged in parallel and distributed in a V shape, and the two ends of the driving shaft, front driven shaft and rear driven shaft are respectively rotatably arranged on the cradle side panels, and the two ends of the driving shaft extend out of the cradle side panels and are hinged to the base frame, and the cloth bucket is driven to flip by a cylinder, one end of the cylinder is hinged to the base frame, and the other end is hinged to the cradle side panels.

[0014] In the above-mentioned spreading machine for automobile seat fabrics, a cloth bucket driving motor is arranged in the base frame, and the cloth bucket driving motor is connected to the driving shaft and drives it to rotate; a roller driving motor is arranged on the cradle side panel, and the roller driving motor is connected to the cloth feeding roller and drives it to rotate; the cloth bucket driving motor and the roller driving motor are both servo motors.

[0015] In the above-mentioned spreading machine for automobile seat fabrics, the cloth bucket driving motor drives the driving shaft to rotate in both directions, and a tail frame is provided on the rear side of the cloth bucket, which is located in the same plane as the rear side of the cloth bucket and protrudes from the cloth feeding mechanism, and a tail driven shaft is rotatably provided on the tail frame, and a tail conveyor belt is provided between the tail driven shaft and the driving shaft and / or the rear driven shaft.

[0016] In the above-mentioned spreading machine for automobile seat fabrics, preferably, when the cloth bucket is located at the upper spreading position, the rear side of the cloth bucket and the tail frame are tilted downward, and the angle between them and the horizontal plane is 0-5°.

[0017] In the above-mentioned cloth spreading machine for automobile seat fabrics, a fixed rod is laterally arranged on the upper edge of the cloth bucket, and a pair of cloth baffles are slidably arranged on the fixed rod, and the inner side walls of the cloth baffles are respectively fitted with the two ends of the fabric roll. Furthermore, the cloth baffles are slidably connected to the fixed rod via a lockable sleeve.

[0018] In the above-mentioned spreading machine for automobile seat fabrics, the angle of the lower fabric plate can be adjusted, a sensor bracket is provided at the bottom of the lower fabric plate, a sensor mounting shaft is rotatably provided on the sensor bracket, an edge alignment electric eye parallel to the lower fabric plate is slidably provided on the sensor mounting shaft, and the edge alignment electric eye can be provided in plurality to detect whether there is fabric on the lower fabric plate and to adjust the edge alignment accuracy.

[0019] In the above-mentioned cloth spreading machine for automobile seat fabrics, a main machine is arranged below the cloth feeding mechanism and the cloth lowering mechanism, the bottom of the main machine is provided with rollers for driving the cloth spreading machine to move on the table top, the base frame is provided with limiting wheels for sliding laterally along the main machine, and the lower cloth plate is connected to the main machine through a supporting frame; preferably, the lower cloth plate is rotatably connected to the supporting frame and the angle can be adjusted by an angle adjustment mechanism.

[0020] In the above-mentioned cloth spreading machine for automobile seat fabrics, the main machine is provided with a fabric tension adjustment mechanism, and the fabric tension adjustment mechanism includes an adjustment seat, a cushion is provided on the front side of the adjustment seat, and a cloth pressing connecting plate is rotatably provided on the rear side, and a buffer pad and a roller tube are rotatably provided on the cloth pressing connecting plate. In the initial state, the cloth pressing connecting plate is in contact with the cushion. In the cloth spreading state, the cloth pressing connecting plate is rotated backward until the buffer pad is in contact and connection with the fabric, and a cloth passing gap is formed under the roller tube.

[0021] In the present invention, the car seat fabric does not only include fabrics used to make car seats in a narrow sense, but also includes a large class of fabrics that have the same characteristics as car seat fabrics, such as hardness, smoothness, and high thickness. Its materials include cotton, silk cotton, fabric, artificial leather, hard non-woven fabric, carpet cloth and leather.

[0022] Compared with the prior art, the present invention has the following beneficial effects:

[0023] 1. The present invention provides a cloth spreading machine for automobile seat fabrics, which adopts a reversible cradle-type cloth bucket structure and is used in conjunction with a lower cloth plate. When feeding the cloth, the fabric is transported from the cloth bucket to the cutting platform via a flexible conveyor belt, a cloth feeding roller and a lower cloth plate. There is no small-angle arc-shaped cloth threading in the entire conveying process, and the conveying is smoother and no creases will appear. At the same time, the cloth feeding and lowering mechanism of the present invention is not easy to deviate during operation, and is more suitable for conveying large-sized fabrics. The diameter of the fabric roll adapted by the present invention can reach 1100mm; the reversible function of the cloth bucket will not affect the operation of the upper and lower fabric rolls.

[0024] 2. The present invention improves the cloth bucket structure, and drives the front conveyor belt and the rear conveyor belt to convey synchronously through the driving shaft, the front driven shaft and the rear driven shaft. The fabric roll in the cloth bucket is in contact with the staggered front conveyor belt and the rear conveyor belt at the same time and is flexibly supported by both, which can improve the power of forward conveyance. The flexible conveyor belt is used to support and convey the fabric roll, and the lower layer of fabric will not be displaced during transportation, thereby avoiding the occurrence of fluffy phenomenon.

[0025] 3. The present invention uses a servo motor to drive the flexible conveyor belt and the cloth feeding roller to synchronously convey the fabric, which can improve the laying accuracy and flatness and further avoid the generation of creases; in addition, the cloth bucket structure of the present invention can meet the needs of laying the fabric on the front and back.

[0026] 4. The present invention utilizes the bidirectional conveyor belt structure of the cloth bucket, and cooperates with the cloth feeding roller at the front end of the cloth bucket to realize automatic cloth loading, automatic cloth threading and automatic cloth collection, saving time and labor; further, the present invention arranges a tail rack at the rear end of the cloth bucket, which can be more convenient for cloth loading and collection.

[0027] 5. The present invention further provides a fabric tension adjustment mechanism, and a buffer pad and a roller tube are provided through the cloth pressing connecting plate. When spreading the cloth, the fabric passes through the cloth-passing gap below the roller tube to prevent the fabric from floating up, further improving the spreading accuracy. The tightness of the fabric can also be adjusted by adjusting the size of the cloth-passing gap. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a stereogram of the present invention (cloth feeding position);

[0029] Figure 2 It is a stereogram of the present invention (upper layout);

[0030] Figure 3 It is a three-dimensional diagram of the cloth feeding mechanism of the present invention. Figure 1 ;

[0031] Figure 4 It is a three-dimensional diagram of the cloth feeding mechanism of the present invention. Figure 2 ;

[0032] Figure 5 yes Figure 4 A magnified image of point A;

[0033] Figure 6 It is a three-dimensional diagram of the cloth lowering mechanism of the present invention;

[0034] Figure 7 yes Figure 6 The enlarged view of point B;

[0035] Figure numerals: 1, base frame; 2, cloth bucket; 3, cloth feed roller; 4, flexible conveyor belt; 5, lower cloth plate; 6, driving shaft; 7, front driven shaft; 8, rear driven shaft; 9, front conveyor belt; 10, rear conveyor belt; 11, cradle side plate; 12, cylinder; 13, cloth bucket drive motor; 14, roller drive motor; 15, tail frame; 16, tail driven shaft; 17, tail conveyor belt; 18, fixing rod; 19, cloth baffle; 20, sensor bracket; 21, sensor mounting shaft; 22, edge electric eye; 23, main machine; 24, limiting wheel; 25, support frame; 26, adjustment seat; 27, cushion; 28, cloth pressing connecting plate; 29, buffer pad; 30, roller tube. DETAILED DESCRIPTION

[0036] The present invention will be further described below with reference to specific embodiments of the present invention. Figure 1-7 :

[0037] A spreading machine for automobile seat fabrics, comprising:

[0038] A cloth feeding mechanism, the cloth feeding mechanism comprises a base frame 1, a cradle-type cloth bucket 2 hinged on the base frame 1, and a cloth feeding roller 3 arranged at the front end of the cloth bucket 2, wherein a plurality of flexible conveyor belts 4 driven by power devices are arranged in the cloth bucket 2, and the flexible conveyor belts 4 move synchronously with the cloth feeding roller 3 to convey fabrics;

[0039] A cloth lowering mechanism, the cloth lowering mechanism comprising a cloth lowering plate 5 arranged obliquely, the cloth lowering plate 5 being connected to the cloth feeding mechanism and the cutting platform;

[0040] The cloth bucket 2 is driven by a power device to flip between the upper cloth position and the cloth feeding position. When the cloth bucket 2 is located at the upper cloth position, the rear side of the cloth bucket 2 forms an upper cloth plane. When the cloth bucket 2 is located at the cloth feeding position, the cloth feeding roller 3 flips to a position above the rear end of the lower cloth plate 5.

[0041] The workflow of this embodiment is:

[0042] For cloth loading, the power device drives the cloth bucket 2 to flip to the cloth loading position, and the fabric roll to be laid is placed on the rear side of the cloth bucket 2. Then the power device drives the cloth bucket 2 to flip to the cloth feeding position. During the flipping process, the fabric roll rolls to the bottom of the cloth bucket 2, and the fabric roll is supported by the flexible conveyor belt 4 below it. When the fabric roll is conveyed, it can prevent it from being fluffy;

[0043] Feed the cloth, start the cloth feeding mechanism, the flexible conveyor belt 4 drives the fabric roll to rotate and drives the fabric to move toward the cloth feeding roller 3, the fabric is pulled around the cloth feeding roller 3 from the top and automatically falls into the lower cloth plate 5, when the cloth feeding roller 3 rotates, the fabric wound thereon is pulled to move toward the lower cloth plate 5, the flexible conveyor belt 4 and the cloth feeding roller 3 are pulled synchronously, the fabric can be conveyed more accurately, and finally falls from the lower end of the lower cloth plate 5 onto the cutting platform, the fabric is pulled from the bottom of the cloth bucket 2 to the cloth feeding roller 3 and then falls into the cutting platform through the lower cloth plate 5, and there is no small-angle arc threading in the whole cloth feeding process;

[0044] After the cloth is laid, the cloth feeding mechanism is stopped, the power device drives the cloth bucket 2 to flip to the upper cloth position, the flexible conveyor belt 4 is started and rotated in the opposite direction, and the fabric roll is transported from the bottom of the cloth bucket 2 to the outside of the cloth bucket 2 under the action of the flexible conveyor belt 4, and finally the fabric roll can be conveniently removed.

[0045] In this embodiment, the specific structure of the cloth bucket 2 is: the cloth bucket 2 includes a driving shaft 6, a front driven shaft 7 and a rear driven shaft 8, a front conveyor belt 9 is arranged between the driving shaft 6 and the front driven shaft 7, and a rear conveyor belt 10 is arranged between the driving shaft 6 and the rear driven shaft 8, the front conveyor belt 9 and the rear conveyor belt 10 are arranged alternately, and the driving shaft 6, the front driven shaft 7, the rear driven shaft 8, the front conveyor belt 9, and the rear conveyor belt 10 together form a cradle-type cloth bucket 2 structure; the power device drives the driving shaft 6 to rotate, and under the support of the front driven shaft 7 and the rear driven shaft 8, the driving shaft 6 drives the front conveyor belt 9 and the rear conveyor belt 10 to rotate synchronously to form a conveying structure, and the front conveyor belt 9 and the rear conveyor belt 10 simultaneously form a supporting structure for the fabric roll.

[0046] Furthermore, the driving shaft 6, the front driven shaft 7 and the rear driven shaft 8 are arranged in parallel and distributed in a V shape, and the two ends of the driving shaft 6, the front driven shaft 7 and the rear driven shaft 8 are respectively rotatably arranged on the cradle side panels 11, and the two ends of the driving shaft 6 extend out of the cradle side panels 11 and are hinged to the base frame 1. The cloth bucket 2 is driven to flip by the cylinder 12, one end of the cylinder 12 is hinged to the base frame 1, and the other end is hinged to the cradle side panels 11. The cloth bucket 2 is flipped by the extension and retraction of the piston rod of the cylinder 12 to pull / push it. When the piston rod of the cylinder 12 is extended and retracted, the cloth bucket 2 is respectively located at the cloth feeding position and the upper cloth position.

[0047] This embodiment uses dual motor synchronous drive to ensure its conveying accuracy. Specifically, a cloth bucket 2 driving motor is arranged in the base frame 1, and the cloth bucket 2 driving motor is transmission-connected to the driving shaft 6 and drives it to rotate; a roller driving motor 14 is arranged on the cradle side plate 11, and the roller driving motor 14 is transmission-connected to the cloth feeding roller 3 and drives it to rotate; the cloth bucket 2 driving motor and the roller driving motor 14 both adopt servo motors; the cloth bucket 2 driving motor and the driving shaft 6, the roller driving motor 14 and the cloth feeding roller 3 adopt conventional transmission structures in this field, such as sprocket chain transmission, synchronous belt transmission, etc.

[0048] In order to further facilitate the upper and lower fabric rolls, the cloth bucket 2 drives the driving motor to drive the driving shaft 6 to rotate in both directions. The rear side of the cloth bucket 2 is provided with a tail frame 15 which is located in the same plane as the rear side of the cloth bucket 2 and protrudes from the cloth feeding mechanism. A tail driven shaft 16 is rotatably provided on the tail frame 15. A tail conveyor belt 17 is provided between the tail driven shaft 16 and the driving shaft 6 and / or the rear driven shaft 8. In the present embodiment, a tail conveyor belt 17 is provided between the tail driven shaft 16 and the driving shaft 6 and the rear driven shaft 8. When loading, the fabric roll is placed on the tail frame 15, and is transported to the bottom of the cloth bucket 2 under the action of the tail conveyor belt 17, the rear conveyor belt 10 and its own weight. When unloading, the fabric roll is transported from the bottom of the cloth bucket 2 to the tail frame 15 under the action of the tail conveyor belt 17 and the rear conveyor belt 10.

[0049] Preferably, when the cloth bucket 2 is in the upper cloth position, the rear side of the cloth bucket 2 and the tail frame 15 are tilted downward, and the angle between them and the horizontal plane is 0-5° (due to the downward tilt, the above angle range does not include 0°). Through the downward tilted structure, the self-gravity of the fabric roll can cooperate with the tail conveyor belt 17 and the rear conveyor belt 10. At the same time, the angle cannot be too large to prevent it from rolling out of the tail frame 15.

[0050] In order to prevent large-sized fabrics from running off course during transportation, a fixed rod 18 is laterally arranged on the cloth bucket 2, and a pair of cloth baffles 19 are slidably arranged on the fixed rod 18. The inner side walls of the cloth baffles 19 are respectively fitted with the two ends of the fabric roll. Furthermore, the cloth baffles 19 are slidably connected to the fixed rod 18 through a lockable sleeve. After unlocking the sleeve, the cloth baffle 19 is moved to a predetermined position, and then the sleeve is locked. The sleeve can be locked by a radially arranged screw.

[0051] In order to adapt to more cloth lowering requirements, the angle of the lower cloth plate 5 can be adjusted, and a sensor bracket 20 is arranged at the bottom of the lower cloth plate 5, and a sensor mounting shaft 21 is rotatably arranged on the sensor bracket 20, and an edge-aligning electric eye 22 parallel to the lower cloth plate 5 is slidably arranged on the sensor mounting shaft 21. The edge-aligning electric eye 22 can be set to multiple to detect whether there is fabric on the lower cloth plate 5 and adjust the edge-aligning accuracy.

[0052] A main machine 23 is arranged below the above-mentioned cloth feeding mechanism and cloth lowering mechanism, and a roller for driving the cloth spreading machine to move on the table top is arranged at the bottom of the main machine 23, and a limiting wheel 24 for sliding laterally along the main machine 23 is arranged on the base frame 1, and the cloth lowering plate 5 is connected to the main machine 23 through a support frame 25. The main body carries the cloth feeding mechanism and the cloth lowering mechanism and drives them to reciprocate on the cutting platform, and cooperates with the linear cutter to complete the cloth spreading. The structure of the main body and its driving structure are the same as those in the prior art and will not be repeated here; preferably, the cloth lowering plate 5 is rotatably connected to the support frame 25 and the angle can be adjusted by an angle adjustment mechanism.

[0053] The present embodiment also provides an adaptive fabric tension adjustment mechanism, the specific structure of which is as follows: the fabric tension adjustment mechanism includes an adjustment seat 26, the front side of the adjustment seat 26 is provided with a cushion 27, the rear side is rotatably provided with a cloth pressing connecting plate 28, the cloth pressing connecting plate 28 is rotatably provided with a buffer pad 29 and a roller tube 30, in the initial state, the cloth pressing connecting plate 28 is in contact with the cushion 27, in the cloth spreading state, the cloth pressing connecting plate 28 is rotated backwards until the buffer pad 29 is in contact with the fabric, a cloth passing gap is formed under the roller tube 30, in the initial state, The cloth-pressing connecting plate 28 rotates forward until it contacts the cushion 27. The structure of the cushion 27 is not limited as long as it can provide a stable leaning structure. When spreading cloth, the cloth-pressing connecting plate 28 rotates backward until the buffer pad 29 fits the fabric. The position of the roller tube 30 is higher than the buffer pad 29. Therefore, a cloth-passing gap is formed under the roller tube 30. The fabric passes stably through the cloth-passing gap. By adjusting the size of the cloth-passing gap, the tightness of the fabric during cloth passing can also be adjusted. The size of the cloth-passing gap can be adjusted by adjusting the relative position between the buffer pad 29 and the roller tube 30.

[0054] The above embodiments are only preferred embodiments of the present invention and are not intended to limit the protection scope of the present invention. Therefore, any equivalent changes made based on the structure, shape, and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A spreading machine for car seat fabrics, characterized in that: include: A cloth feeding mechanism, the cloth feeding mechanism comprising a base frame (1), a cradle-type cloth bucket (2) hinged on the base frame (1), and a cloth feeding roller (3) arranged at the front end of the cloth bucket (2); a plurality of flexible conveyor belts (4) driven by a power device are arranged in the cloth bucket (2); the flexible conveyor belts (4) move synchronously with the cloth feeding roller (3) to convey fabric; A cloth lowering mechanism, the cloth lowering mechanism comprising a cloth lowering plate (5) arranged obliquely, the cloth lowering plate (5) being connected to the cloth feeding mechanism and the cutting platform; The cloth bucket (2) is driven by a power device to flip between an upper cloth position and a cloth feeding position. When the cloth bucket (2) is located in the upper cloth position, the rear side of the cloth bucket (2) forms an upper cloth plane. When the cloth bucket (2) is located in the cloth feeding position, the cloth feeding roller (3) flips to a position above the rear end of the lower cloth plate (5).

2. A spreading machine for automobile seat fabrics according to claim 1, characterized in that: The cloth bucket (2) comprises a driving shaft (6), a front driven shaft (7) and a rear driven shaft (8); a front conveyor belt (9) is arranged between the driving shaft (6) and the front driven shaft (7), and a rear conveyor belt (10) is arranged between the driving shaft (6) and the rear driven shaft (7); the front conveyor belt (9) and the rear conveyor belt (10) are arranged in an alternating manner.

3. A spreading machine for automobile seat fabrics according to claim 2, characterized in that: The driving shaft (6), the front driven shaft (7) and the rear driven shaft (8) are arranged in parallel and distributed in a V shape. The two ends of the driving shaft (6), the front driven shaft (7) and the rear driven shaft (8) are respectively rotatably arranged on the cradle side plates (11). The two ends of the driving shaft (6) extend out of the cradle side plates (11) and are hinged to the bottom frame (1). The cloth bucket (2) is driven to flip by a cylinder (12). One end of the cylinder (12) is hinged to the bottom frame (1) and the other end is hinged to the cradle side plates (11).

4. A spreading machine for automobile seat fabrics according to claim 3, characterized in that: A cloth bucket driving motor (13) is arranged in the base frame (1), and the cloth bucket driving motor (13) is in driving connection with the driving shaft (6) and drives the driving shaft (6) to rotate; a roller driving motor (14) is arranged on the cradle side plate (11), and the roller driving motor (14) is in driving connection with the cloth feeding roller (3) and drives the feeding roller to rotate; the cloth bucket driving motor (13) and the roller driving motor (14) are both servo motors.

5. A spreading machine for automobile seat fabrics according to claim 4, characterized in that: The cloth bucket driving motor (13) drives the driving shaft (6) to rotate bidirectionally. A tail frame (15) is arranged on the rear side of the cloth bucket (2) and is located in the same plane as the rear side of the cloth bucket (2) and protrudes from the cloth feeding mechanism. A tail driven shaft (16) is rotatably arranged on the tail frame (15). A tail conveyor belt (17) is arranged between the tail driven shaft (16) and the driving shaft (6) and / or the rear driven shaft (8).

6. A spreading machine for automobile seat fabrics according to claim 1, characterized in that: A fixing rod (18) is laterally arranged on the upper edge of the cloth bucket (2), and a pair of cloth blocking plates (19) are slidably arranged on the fixing rod (18), wherein the inner side walls of the cloth blocking plates (19) are respectively fitted with two ends of the fabric roll.

7. A spreading machine for automobile seat fabrics according to claim 1, characterized in that: The angle of the lower cloth plate (5) is adjustable, and a sensor bracket (20) is arranged at the bottom of the lower cloth plate (5). A sensor mounting shaft (21) is rotatably arranged on the sensor bracket (20), and an opposite-side electric eye (22) parallel to the lower cloth plate (5) is slidably arranged on the sensor mounting shaft (21).

8. A spreading machine for automobile seat fabrics according to claim 1, characterized in that: A main machine (23) is arranged below the cloth feeding mechanism and the cloth lowering mechanism, a roller for driving the cloth spreading machine to move on the table top is arranged at the bottom of the main machine (23), a limiting wheel (24) for sliding laterally along the main machine (23) is arranged on the bottom frame (1), and the cloth lowering plate (5) is connected to the main machine (23) via a supporting frame (25).

9. A spreading machine for automobile seat fabrics according to claim 8, characterized in that: The main machine (23) is provided with a fabric tension adjustment mechanism, which comprises an adjustment seat (26), a cushion (27) is provided on the front side of the adjustment seat (26), and a cloth pressing connecting plate (28) is rotatably provided on the rear side, and a buffer pad (29) and a roller tube (30) are rotatably provided on the cloth pressing connecting plate (28). In an initial state, the cloth pressing connecting plate (28) contacts the cushion (27), and in a cloth spreading state, the cloth pressing connecting plate (28) rotates backwards until the buffer pad (29) contacts and connects with the fabric, and a cloth passing gap is formed below the roller tube (30).

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