CN109594211B - A kind of automatic adjustment device of cloth pressing die - Google Patents

Abstract

The invention provides an automatic adjusting device of a cloth pressing die, and belongs to the technical field of sewing equipment. The cloth pressing die solves the problem that the cloth pressing length of a cloth pressing die in the existing pressing and feeding device cannot be adjusted to adapt to cloth with different lengths. The automatic adjusting device of the cloth pressing mold comprises a rack, a connecting seat, a sliding rail, a controller, a first driving mechanism connected with the controller, a sliding block connected on the sliding rail in a sliding manner, a sliding support plate connected with the sliding block, two first mold seats and a limiting mechanism, wherein each first mold seat is provided with a holding device, two homing structures are arranged at two end parts of the sliding support plate, and the limiting mechanism, the homing structures and the holding devices are all connected with the controller; the controller automatically controls and adjusts the positions of the two die seats I on the sliding support plate. This automatic regulating apparatus of compress mould has thereby can automatically regulated to the mould seat distance between one with the material work of pressing that is suitable for different length cloth cut-parts, simple structure simultaneously, the convenient advantage of control.

Description

A kind of automatic adjustment device of cloth pressing die

technical field

The invention belongs to the technical field of sewing equipment, and relates to an automatic adjustment device of a cloth pressing die.

Background technique

In sewing equipment, the degree of automation is getting higher and higher now, and several sewing processes are concentrated on one sewing equipment, then between two adjacent processes, the fabric needs to be transferred from the processing position of this process to the feeding device. on the processing position of the next process. Therefore, the feeding device is an indispensable device.

For example, the public announcement number is CN203200486U, and the name is the Chinese patent of the swinging cylinder pressing device of the automatic feeding device of the pattern machine. , A cloth pressing claw is fixedly connected to the single earring socket, and a cylinder is arranged on the base, and the cylinder drives the single earring socket to rotate around the axis to realize the cloth pressing action of the cloth pressing claw. Although this technical solution can realize automatic cloth pressing and feeding, there are some problems: the range covered by the pressing material of the cloth pressing claw is fixed and cannot be adjusted. When the fabric is replaced with a longer length fabric, since the pressing claws can only cover a part of the pressed fabric, the part that is not pressed by the pressing claws is prone to wrinkle or fold and other uneven phenomena during the conveying process. Therefore, the pressing device cannot adapt to the feeding work; it can only replace the pressing claw with a longer length that matches the length of the long cloth, which is troublesome to replace, resulting in low work efficiency, and at the same time, different lengths of cloth need to be prepared. Claws, higher cost.

SUMMARY OF THE INVENTION

The purpose of the present invention is to solve the above-mentioned problems in the existing technology, and propose a method that can automatically adjust the length of the cloth pressing die according to the cloth cuttings of different lengths to adapt to the pressing of the corresponding cloth cuttings, thereby improving the degree of automation and work efficiency. The automatic adjustment device and method of the cloth pressing die.

The object of the present invention can be achieved through the following technical solutions: an automatic adjustment device for a cloth pressing die, comprising a frame, a connecting seat, a slide rail, a controller and a drive mechanism connected with the controller. One, the slide rail is slidably connected with The sliding block, the connecting seat is connected with the sliding block, and the driving mechanism is used to drive the connecting seat and the sliding block to move back and forth on the above-mentioned sliding rail, which is characterized in that: it also includes a sliding support plate, a sliding support plate fixed on the above-mentioned connecting seat, and a sliding block. Two mold bases connected to the above-mentioned sliding support plate and a limiting mechanism for limiting the position of the two above-mentioned mold bases. One is located on both sides of the connecting base, and each of the above-mentioned mold bases is provided with a gripping device for controlling the mold base to be movable or fixed on the above-mentioned sliding support plate, and the two ends of the sliding support plate are provided with There are two homing structures. The two homing structures cooperate with the two above-mentioned mold bases and correspond to each other one by one. The limiting mechanism, the homing structure and the holding device are all connected with the controller; the control The device is used to read the size information of the cloth pieces, and automatically adjust the position of the two above-mentioned mold bases on the sliding support plate according to the read size information.

In the above-mentioned automatic adjustment device for a cloth pressing die, the homing structure includes a strip-shaped limiting groove opened on the sliding support plate, a limiting column 1 fixed on the corresponding die base 1, and The first contact switch is installed on the outermost groove wall of the bar-shaped limit groove, and the first contact switch is connected with the above-mentioned controller.

In the above-mentioned automatic adjustment device for a cloth pressing die, the holding device includes a cylinder 1 and an air pump source 1, the air cylinder 1 is connected to the air pump source 1 and an electromagnetic solenoid connected to the controller is arranged between the two. Valve 1, the cylinder body of the cylinder 1 is fixedly connected with the mold seat 1, the piston rod of the cylinder 1 extends upward through the above-mentioned strip-shaped limiting groove, and the upper end of the piston rod is provided with a clamping part, the clamping part is The diameter of the first cylinder is larger than the width of the strip-shaped limit groove, the sliding support plate is clamped and fixed between the cylinder body of the cylinder one and the clamping part, and the piston rod of the cylinder one is the above-mentioned limit column one. When the mold seat is adjusted, the cylinder works, the piston rod extends upward, and the sliding support plate is separated and clamped and fixed by the cylinder block and the clamping part of the air cylinder. The cylinder and the mold seat can move relative to the sliding support plate.

In the above-mentioned automatic adjustment device for a cloth pressing die, the limiting mechanism includes a second cylinder, a second air pump source, and a limit block fixed on the piston rod of the second cylinder, and the second cylinder is fixedly connected to the second cylinder through a fixing plate. On the above-mentioned frame, the piston rod of the second cylinder is set vertically upward. In the initial state, the height of the limit block is lower than the cylinder body of the first cylinder. When the second cylinder is working, the limit block rises to a height higher than The lower end face of the first cylinder block is slightly lower than the upper end face of the first cylinder block, the second cylinder is connected to the second air pump source, and a second solenoid valve connected to the controller is arranged between the two.

In the above-mentioned automatic adjustment device for a cloth pressing die, the driving mechanism includes a driving motor, a clamping member, a driving wheel, a driven wheel, and a synchronous belt connecting the driving wheel and the driven wheel. One end of the holder is fixedly connected with the above-mentioned connecting seat, and the other end holds the above-mentioned synchronous belt, the first driving motor and the driven wheel are fixedly connected to the above-mentioned frame, and the driving wheel is connected with the output shaft of the first driving motor.

In the above-mentioned automatic adjustment device of a cloth pressing die, the middle part of the sliding support plate is also fixedly installed with the second die seat, and the second die seat is used for installing the second cloth pressing die.

In the above-mentioned automatic adjustment device of a cloth pressing mold, the controller has the following adjustment steps for the position adjustment method of the two above-mentioned mold bases on the sliding support plate, and defines that the cloth pieces are transported to the next process. The direction of the process is from right to left, so the one close to the next processing step of the two mold bases is the left mold base one, and the other is the right mold base one;

S1. The operator inputs the model number corresponding to the cloth piece through the human-computer interaction interface, and the controller reads the length and size information of the cloth piece contained in the model number;

S2. The controller controls the above-mentioned driving mechanism 1, the limit mechanism, the homing mechanism and the holding device to adjust the position of the right die seat 1 in place according to the length and size information of the above-mentioned cloth pieces respectively, and adjust the position of the above-mentioned driving mechanism 1. , Resetting of the limit mechanism, the homing mechanism and the holding device;

S3. According to the same control principle of step S2, the controller adjusts the position of the left mold seat 1 in place, and resets the above-mentioned driving mechanism 1, the limit mechanism, the homing mechanism and the holding device;

S4, the adjustment is completed.

In the above-mentioned automatic adjustment device of a cloth pressing die, the specific adjustment method of the step S2 is as follows:

The controller controls the driving mechanism to work. The driving mechanism drives the connecting seat and the left mold seat and the right mold seat to move to the left and enter directly above the limit mechanism. When the limit mechanism is located directly below the connection seat, the limit mechanism Start, the second cylinder works to drive the limit block to rise to the limit height, the limit height is that the limit block rises to a height higher than the lower end face of the first cylinder body but slightly lower than the upper end face of the first cylinder block, and at the same time , the holding device on the right mold base works, and the cylinder works, the piston rod extends upwards, so that the sliding support plate is separated from the clamping and fixed by the cylinder block and the clamping part;

The connecting seat and the left mold seat 1 and the right mold seat 1 continue to move to the left at the same time, and the left side of the cylinder block on the right mold seat 1 contacts the limit block and is clamped by the limit block; at this time, the connecting seat and the left mold The seat 1 continues to move to the left at the same time, and the right die seat 1 is limited and does not move;

When the cylinder-piston rod on the right die base 1, that is, the limit column 1, is limited by the outermost groove wall of the strip limit groove on the right side of the sliding support plate and contacts the corresponding contact switch 1, the contact switch is fired. The signal is sent to the controller, and the controller controls the limit block of the limit mechanism to descend to the initial state;

The connecting seat and the left mold seat 1 and the right mold seat 1 continue to move to the left for a certain distance at the same time, and the driving mechanism stops working. At this time, the limit mechanism is just located on the right side of the right mold seat 1. The controller controls the limit block of the limit mechanism Raise to the limit height, at this time, the right side of the right die seat 1 just touches the limit block;

Then the controller controls the driving mechanism 1 to drive in the reverse direction according to the length and size information of the cloth pieces. At this time, the cylinder on the right die seat 1 is blocked by the limit block on the right side and does not move, and the driving mechanism 1 drives the connecting seat and the left mold. The seat 1 moves to the right by a distance corresponding to the length and dimension information of the above-mentioned fabric pieces, which is the distance that the right die seat 1 moves to the left relative to the outermost end groove wall of the strip limit groove on the right side of the sliding support plate. At the same time, the limit The mechanism is reset, that is, the limit block is reset to the initial state, the holding device is reset, that is, the cylinder does not work, at this time, the right mold base is fixed relative to the sliding support plate and does not move, and the position of the right mold base is automatically adjusted.

Compared with the prior art, the automatic adjustment device of the cloth pressing mold can automatically adjust the distance between the two mold bases, so as to be suitable for the pressing work of cloth pieces of different sizes, with a high degree of automation, and the whole process is fully automatic. Control, precise adjustment and high efficiency; the overall structure is simple, and the design is exquisite, and the control principle is simple and convenient.

Description of drawings

Figure 1 is a schematic structural diagram of the present invention.

FIG. 2 is a flow chart of the automatic adjustment of the present invention.

In the figure, 1, slide rail; 2, slider; 3, connecting seat; 4, sliding support plate; 41, strip limit groove; 5, left mold seat 1; 6, right mold seat 1; 7, cylinder 1 ; 8, fixed plate; 9, cylinder two; 10, limit block; 11, drive motor one; 12, clamping part; 13, driving wheel; 14, driven wheel; 15, timing belt; 16, mold seat two.

Detailed ways

The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solutions of the present invention, but the present invention is not limited to these embodiments.

As shown in Figure 1, the automatic adjustment device of the cloth pressing mold is used to adjust the cloth pressing distance between the two cloth pressing molds, so it is suitable for pressing cloth pieces of different lengths, and the adjustment is completely automatic. , while the applicability is wider, the automation degree of equipment operation is greatly improved, thereby saving manpower and improving work efficiency. The automatic adjustment device mainly includes a frame, a connecting seat 3, a sliding rail 1, a sliding support plate 4, two mold seats one, a limit mechanism, two holding devices, two return structures, and a mold seat two 16 , controller and drive mechanism one. The sliding block 2 is slidably connected with the sliding rail 1 and is fixedly connected with the connecting base 3 , and the connecting base 3 can move back and forth on the sliding rail 1 . The sliding support plate 4 is fixed on the connecting base 3, and two strip-shaped limit grooves 41 are opened at both ends of the sliding support plate 4. The groove 41 moves back and forth, and the second die base 16 is fixedly connected to the middle of the sliding support plate 4 . In the initial state, the limit mechanism is located on the left side of the sliding support plate 4, and the direction in which the cloth pieces are transported to the next process is defined as from right to left, so the left mold seat is the one that is close to the next processing process. One 5, the other one is the right mold seat a 6.

The limit mechanism includes a second cylinder 9, a second air pump source and a limit block 10 fixed on the piston rod of the second cylinder 9. The second cylinder 9 is fixedly connected to the frame through the fixing plate 8, and the piston rod of the second cylinder 9 is arranged vertically upward. , in the initial state, the height of the limit block 10 is lower than the cylinder body of the cylinder one 7, that is, when the sliding support plate 4 and the two mold bases move left and right, the limit block 10 will not limit it; when the cylinder two 9 works When the limit block 10 rises to the limit height, the limit height is higher than the lower end face of the cylinder-7 cylinder but slightly lower than the upper end face of the cylinder-7 cylinder, that is, the sliding support plate 4 and the two molds When the seat 1 moves left and right, the limiting block 10 will limit the cylinder blocks on the two mold seats 1, so that the two mold seats 1 are locked in place to prevent them from continuing to move. The second cylinder 9 is connected with the second air pump source and a second solenoid valve is arranged between the two, and the second solenoid valve is connected with the controller.

The homing structure includes a bar-shaped limit slot 41 opened on the sliding support plate 4, a limit column 1 fixed on the corresponding die base 1, and a contact switch installed on the outermost groove wall of the bar-shaped limit slot 41. One, the contact switch one is connected with the controller. The reset structure is a reset-to-zero structure, and the position of the outermost end of the strip limit groove 41 is the initial zero point. The controller adjusts according to the received fabric piece length information, because the adjustment starts from the initial zero point, and the adjustment has a reference zero point, and the adjustment is more accurate.

The holding device includes a cylinder one 7 and an air pump source one, the cylinder one 7 is connected with the air pump source one and there is a solenoid valve one connected to the controller between the two, the cylinder body of the cylinder one 7 is fixedly connected with the mold seat one and is located in the Below the sliding support plate 4, the piston rod of the cylinder 1 7 extends upward through the bar-shaped limit groove 41, and the upper end of the piston rod is provided with a clamping part, and the diameter of the clamping part is larger than the width of the bar-shaped limit groove 41. In the initial state The sliding support plate 4 is clamped and fixed between the cylinder block 7 and the clamping part. At this time, the mold base 1 is fixed relative to the sliding support plate 4. At this time, its position cannot be moved and adjusted. The piston rod of 17 is the above-mentioned limit post 1; when it is necessary to adjust the position of the mold base 1, the cylinder 17 works, the piston rod extends upward, and the sliding support plate 4 is separated from the cylinder body and the clamping part of the cylinder 17. Clamping and fixing, the cylinder one 7 and the mold base one can move relative to the sliding support plate 4, so as to realize the position adjustment. Air pump source 1 and air pump source 2 can share the same air pump source, such as the air pump station installed in the workshop.

The driving mechanism 1 includes a driving motor 11, a clamping member 12, a driving wheel 13, a driven wheel 14, and a synchronous belt 15 connecting the driving wheel 13 and the driven wheel 14. One end of the clamping member 12 is fixedly connected with the connecting base 3, and the other is fixed. One end of the synchronous belt 15 is clamped, the driving motor 11 and the driven wheel 14 are fixed on the frame, and the driving wheel 13 is connected with the output shaft of the driving motor 11. The driving motor 11 drives the synchronous belt 15 to rotate, and the synchronous belt 15 drives the clamping member 12 and the connecting base 3 to drive the sliding support plate 4 and the two mold bases to move back and forth.

The middle part of the sliding support plate 4 is also fixedly installed with the second mold seat 16, and the second mold seat 16 is used for installing the second cloth pressing mold. The two ends of the cloth pressing die 2 can be respectively combined with two cloth pressing die 1 to form two sets of cloth pressing structures. One set of cloth pressing structures can be used to press a sleeve. The combination of the two sleeves can be pressed at the same time. At the same time, one of its two cloth pressing dies can be used for pressing the neckline with a longer length. Therefore, the structure can be applied to the pressing work of the neckline and sleeves at the same time, and has a wide range of applications.

As shown in Figure 2, the automatic adjustment control principle and adjustment process of the automatic adjustment device are detailed as follows:

S1. The operator inputs the model number corresponding to the cloth piece through the human-computer interaction interface, and the controller reads the length and size information of the cloth piece contained in the model number;

S2. The controller controls the driving mechanism 1, the limit mechanism, the homing mechanism and the holding device respectively according to the length and size information of the cloth pieces to adjust the position of the right die seat 1 6 in place, and adjust the position of the driving mechanism 1, the limit mechanism and the clamping device. Reset the positioning mechanism, the homing mechanism and the holding device;

S3. According to the same control principle of step S2, the controller adjusts the position of the left mold seat 1 5 in place, and resets the above-mentioned driving mechanism 1, the limiting mechanism, the homing mechanism and the holding device;

S4, the adjustment is completed.

The specific adjustment method of step S2 is as follows:

The controller controls the drive motor one 11 to work, the drive motor one 11 drives the connecting seat 3 and the left mold seat one 5 and the right mold seat one 6 to move left and enter the position just above the limit mechanism. When it goes down, the limit mechanism is activated, and the cylinder 2 9 works to drive the limit block 10 to rise to the limit height. On the upper end face of the cylinder body of the cylinder one 7, at the same time, the holding device on the right mold seat one 6 works, the cylinder one 7 works, and the piston rod extends upwards so that the sliding support plate 4 is separated from the cylinder body and the clamp of the cylinder one 7. Clamping and fixing of the holding part;

The connecting seat 3, the left mold seat 1 5 and the right mold seat 1 6 continue to move to the left at the same time, and the cylinder on the right mold seat 1 6 contacts the left side of the cylinder block 10 and is clamped by the limit block 10; this At the same time, the connecting seat 3 and the left mold seat one 5 continue to move to the left at the same time, and the right mold seat one 6 is limited and does not move;

When the cylinder-7 piston rod on the right die base-6, that is, the limit column 1 is limited by the outermost groove wall of the strip-shaped limit groove 41 on the right side of the sliding support plate 4 and contacts the corresponding contact switch 1, As soon as the contact switch sends a signal to the controller, the controller controls the limit block 10 of the limit mechanism to descend to the initial state;

The connecting seat 3, the left mold seat 1 5 and the right mold seat 1 6 continue to move to the left for a certain distance at the same time, and the driving motor 1 11 stops working. At this time, the limit mechanism is just located on the right side of the right mold seat 1 6, and the controller controls the limit The limit block 10 of the mechanism rises to the limit height, and at this time, the right side of the right mold seat 1 6 just contacts the limit block 10;

Then the controller controls the driving motor 11 to rotate in the reverse direction according to the length and size information of the cloth pieces. At this time, the cylinder 7 on the right die base 6 is locked in place by the limit block 10 and does not move, and the driving motor 11 drives the The connection seat 3 and the left mold seat one 5 are moved to the right by a distance corresponding to the length and dimension information of the above-mentioned fabric pieces, and this distance is the right mold seat one 6 relative to the outermost end groove wall of the strip-shaped limit groove on the right side of the sliding support plate 4 The distance moved to the left, at the same time, the limit mechanism is reset, that is, the limit block 10 is reset to the initial state, and the holding device is reset, that is, the cylinder one 7 does not work, at this time, the right mold base one 6 is fixed relative to the sliding support plate 4 and does not move, The position of the right die holder 1 6 is automatically adjusted.

The position adjustment principle of the left mold seat 1 is the same as the adjustment principle of the right mold seat 6. After the automatic adjustment of the position of the right mold seat 1 6 is completed, the controller automatically adjusts the position of the left mold seat 1 5 according to the same control principle. adjust. After the left mold seat 1 5 and the right mold seat 1 6 are adjusted, reset the drive motor 1, the limit mechanism and the holding device to complete a complete automatic adjustment.

The automatic adjustment device of the cloth pressing mold can automatically adjust the distance between the two mold bases, so as to be suitable for the pressing work of cloth pieces of different sizes. ; The overall structure is simple, and the design is exquisite, and the control principle is simple and convenient.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Those skilled in the art to which the present invention pertains can make various modifications or additions to the described specific embodiments or substitute in similar manners, but will not deviate from the spirit of the present invention or go beyond the definitions of the appended claims range.

Claims (8)

1. The utility model provides an automatic regulating apparatus of compress mould, includes frame, connecting seat (3), slide rail (1), controller and the actuating mechanism one of being connected with the controller, sliding connection has slider (2) on slide rail (1), connecting seat (3) are connected with slider (2), and actuating mechanism one is used for driving connecting seat (3) and slider (2) round trip movement on above-mentioned slide rail (1), its characterized in that: the cloth pressing machine is characterized by further comprising a sliding support plate (4) fixedly connected onto the connecting seat (3), two first die seats and a limiting mechanism, wherein the two first die seats are slidably connected onto the sliding support plate (4), the limiting mechanism is used for limiting the two first die seats, the first die seats are used for installing a first cloth pressing die, the two first die seats are located on two sides of the connecting seat (3), each first die seat is provided with a clamping device which is used for controlling the first die seat to move or fix the first die seat on the sliding support plate (4) and cannot move, two homing structures are arranged at two end portions of the sliding support plate (4), the two homing structures are matched with the two first die seats and correspond to the two first die seats one by one, and the limiting mechanism, the homing structures and the clamping device are all connected with a controller; and the controller is used for reading the size information of the fabric cutting pieces and automatically adjusting the positions of the first two mould seats on the sliding support plate (4) according to the read size information.

2. An automatic adjustment device for a cloth pressing mold according to claim 1, wherein the homing structure comprises a first bar-shaped retaining groove (41) formed in the sliding support plate (4), a first retaining post fixedly connected to a corresponding one of the mold bases, and a first contact switch mounted on the outermost groove wall of the first bar-shaped retaining groove (41), and the first contact switch is connected with the controller.

3. The automatic adjusting device of a cloth pressing mold according to claim 2, characterized in that the clasping device comprises a first cylinder (7) and a first air pump source, the first cylinder (7) is connected with the first air pump source, a first electromagnetic valve connected with a controller is arranged between the first cylinder (7) and the first air pump source, the cylinder body of the first cylinder (7) is fixedly connected with the first mold base, the piston rod of the first cylinder (7) upwards penetrates through the strip-shaped limiting groove (41) and the upper end part of the piston rod is provided with a clamping part, the caliber of the clamping part is larger than the width of the strip-shaped limiting groove (41), the sliding support plate (4) is clamped and fixed between the cylinder body of the first cylinder (7) and the clamping part, the piston rod of the first cylinder (7) is the first limiting column, when the mold base needs to be adjusted in position, the first cylinder (7) works, the piston rod upwards extends out, so that the sliding support plate (4) is separated from being clamped and fixed by, the first cylinder (7) and the first die seat can move relative to the sliding support plate (4).

4. The automatic adjusting device of a cloth pressing mold according to claim 3, wherein the limiting mechanism comprises a second air cylinder (9), a second air pump source and a limiting block (10) fixed on a piston rod of the second air cylinder (9), the second air cylinder (9) is fixedly connected to the rack through a fixing plate (8), the piston rod of the second air cylinder (9) is vertically and upwardly arranged, the limiting block (10) is lower than the first air cylinder (7) in an initial state, when the second air cylinder (9) works, the limiting block (10) rises to a position higher than the lower end face of the first air cylinder (7) but slightly lower than the upper end face of the first air cylinder (7), the second air cylinder (9) is connected with the second air pump source, a second electromagnetic valve is arranged between the second air cylinder and the second air pump source, and the second electromagnetic valve is connected with the controller.

5. The automatic adjusting device of a cloth pressing mold as claimed in claim 4, wherein the first driving mechanism comprises a first driving motor (11), a clamping member (12), a driving wheel (13), a driven wheel (14) and a synchronous belt (15) connecting the driving wheel (13) and the driven wheel (14), one end of the clamping member (12) is fixedly connected with the connecting seat (3), the other end of the clamping member clamps the synchronous belt (15), the first driving motor (11) and the driven wheel (14) are fixedly connected to the frame, and the driving wheel (13) is connected with an output shaft of the first driving motor (11).

6. An automatic adjusting device for a cloth pressing mold as claimed in claim 5, characterized in that the middle of the sliding support plate (4) is further fixedly provided with a second mold seat (16), and the second mold seat (16) is used for mounting the second cloth pressing mold.

7. The automatic adjustment device for the cloth pressing mold according to claim 5 or 6, characterized in that the controller has several adjustment steps for the position adjustment method of two mold bases on the sliding support plate (4), which defines the direction of the cloth cut piece to be conveyed to the next process as from right to left, so that the position of one mold base close to the next process is the left mold base (5) and the other mold base is the right mold base (6);

s1, inputting a model number corresponding to the cloth cut piece through a human-computer interaction interface by an operator, and reading the length and size information of the cloth cut piece contained in the model number by a controller;

s2, the controller respectively controls the first driving mechanism, the limiting mechanism, the returning structure and the clasping device to mutually agree to adjust the position of the first right mould base (6) in place according to the length and size information of the fabric cut pieces, and resets the first driving mechanism, the limiting mechanism, the returning structure and the clasping device;

s3, according to the same control principle of the step S2, the controller adjusts the position of the left die seat I (5) in place and resets the driving mechanism I, the limiting mechanism, the returning structure and the clasping device;

and S4, finishing the adjustment.

8. The automatic adjusting device of a cloth pressing mold as claimed in claim 7, wherein the specific adjusting method of step S2 is as follows:

the controller controls the driving mechanism I to work, the driving mechanism I drives the connecting seat (3), the left die seat I (5) and the right die seat I (6) to move left and enter the position right above the limiting mechanism, when the limiting mechanism is positioned right below the connecting seat (3), the limiting mechanism is started, the air cylinder II (9) works to drive the limiting block (10) to ascend to a limiting height, the limiting height is that the limiting block (10) ascends to a height higher than the lower end face of the cylinder body of the air cylinder I (7) but slightly lower than the upper end face of the cylinder body of the air cylinder I (7), meanwhile, the clamping device on the right die seat I (6) works, the air cylinder I (7) works, and the piston rod extends upwards so that the sliding support plate (4) is separated from being clamped and fixed by the cylinder body of the air cylinder I (7) and the clamping;

the connecting seat (3), the left die seat I (5) and the right die seat I (6) continue to move leftwards at the same time, and the left side of the cylinder body of the cylinder I (7) on the right die seat I (6) contacts the limiting block (10) and is clamped by the limiting block (10); at the moment, the connecting seat (3) and the left die seat I (5) continue to move leftwards at the same time, and the right die seat I (6) is limited and does not move;

when a piston rod of a cylinder I (7), namely a limiting column I, on a right die seat I (6) is limited by the groove wall of the outermost end of the strip-shaped limiting groove (41) on the right side of the sliding support plate (4) and contacts with a corresponding contact switch I, the contact switch sends a signal to the controller, and the controller controls the limiting block (10) of the limiting mechanism to move downwards to an initial state;

the connecting seat (3), the left die seat I (5) and the right die seat I (6) continue to move leftwards for a certain distance at the same time, the driving mechanism I stops working, the limiting mechanism is just positioned on the right side face of the right die seat I (6), the controller controls the limiting block (10) of the limiting mechanism to ascend to a limiting height, and at the moment, the right side face of the right die seat I (6) just contacts with the limiting block (10);

and then the controller controls a driving mechanism to drive reversely according to the length and size information of the fabric cut piece, the right side of the cylinder body (7) on the right die seat I (6) is clamped and does not move by a limiting block (10), the driving mechanism drives the connecting seat (3) and the left die seat I (5) to move rightwards by a distance corresponding to the length and size information of the fabric cut piece, the distance is the distance for the right die seat I (6) to move leftwards relative to the outermost slot wall of the strip-shaped limiting slot (41) on the right side of the sliding support plate (4), meanwhile, the limiting mechanism resets, namely, the limiting block (10) resets to an initial state, the holding device resets, namely, the cylinder I (7) does not work, at the moment, the right die seat I (6) is fixed and does not move relative to the sliding support plate (4), and the position of.

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