CN216274678U

CN216274678U - Automatic folding and shaping device of door cylinder machine

Info

Publication number: CN216274678U
Application number: CN202122785706.1U
Authority: CN
Inventors: 李国胜; 林淑霞
Original assignee: Dongguan Baoyun Automation Equipment Co ltd
Current assignee: Dongguan Baoyun Automation Equipment Co ltd
Priority date: 2021-11-12
Filing date: 2021-11-12
Publication date: 2022-04-12
Anticipated expiration: 2031-11-12

Abstract

The utility model discloses an automatic folding and shaping device of a door cylinder machine, which comprises an air suction seat mechanism, a folding mechanism and a material pressing and shaping mechanism, and has the beneficial effects that: can fold a shirt door section of thick bamboo automatically, then finalize the design through pressing down the forming mechanism again to make a door section of thick bamboo accomplish folding design process automatically, guarantee to make the process can not appear the stitch seam uneven, and manually operation is few moreover, saves time and has improved efficiency, secondly, the setting of lift backup pad can be guaranteed to induced draft the board and keep at the coplanar, thereby avoids a door section of thick bamboo to make the process fold, influences the clean and tidy and pleasing to the eye of cloth.

Description

Automatic folding and shaping device of door cylinder machine

Technical Field

The utility model relates to the field of garment machinery, in particular to an automatic folding and shaping device of a door cylinder machine.

Background

In the field of clothing, the front fly of a shirt is generally called a door tube, namely an opening from head to bottom at the middle part from a neckline to a chest of the clothing, and the front fly is wrapped by cloth and then sewn together. The door cylinder is the most striking main part in the shirt decoration, and is mutually supported with clothes collar and pocket mouth, because the shirt is usually used in formal occasion, so the requirement on the door cylinder is higher, and consequently the sewing technology of the door cylinder also correspondingly needs to use higher standard.

In the field of the existing sewing machines, only a door cylinder sewing machine for sewing through matching of a plurality of processes is disclosed, the manual operation of each process is high, a full-automatic door cylinder automatic overturning and folding integrated machine does not exist, and the working efficiency is low; secondly, although full-automatic sleeve vent sewing machine has been disclosed in some sewing machine fields such as sleeve vent sewing field, the breach appears because the upset of returning face plate all can appear in the upset step, and the back is accomplished in the cloth upset step, and the cloth is sunken to be led to appearing the fold and is drawn the condition of trace toward breach department, very influences and makes up effect and pleasing to the eye problem.

SUMMERY OF THE UTILITY MODEL

The utility model provides an automatic folding and shaping device of a door cylinder machine, which can automatically fold a shirt door cylinder and then carry out shaping through a pressing and shaping mechanism, so that the door cylinder automatically finishes a folding and shaping process, the sewing process is ensured not to have uneven stitches, the manual operation is less, the time is saved, the efficiency is improved, and secondly, the arrangement of a lifting support plate can ensure that an air suction plate is kept on the same plane, so that the phenomenon that wrinkles occur in the sewing process of the door cylinder affect the tidiness and the attractiveness of cloth is avoided.

In order to achieve the purpose of the utility model, the utility model provides the following technical scheme:

the utility model provides an automatic folding setting device of a door section of thick bamboo machine, is including induced drafting a mechanism, folding mechanism, pressing material setting mechanism, wherein:

the air suction seat mechanism comprises a lifting support plate, a bottom plate, an air suction seat main body and a third lifting cylinder, wherein the bottom plate is detachably arranged at the bottom of the air suction seat main body, a first negative pressure cavity, a second negative pressure cavity and an air suction plate are arranged in the air suction seat main body, an air suction hole is formed in the air suction plate and forms a first air suction area with the first negative pressure cavity, a second air suction area is formed by the air suction hole and the second negative pressure cavity, a groove is formed in an overlapping area of the air suction plate and the second negative pressure cavity, the lifting support plate is placed on the groove, the third lifting cylinder is placed in the air suction seat main body and is connected with the lifting support plate, and the lifting support plate is controlled to ascend and descend in the groove;

the folding mechanism comprises a turnover motor, a pressing sheet, a turnover plate and a pressing sheet cylinder, wherein the turnover plate is fixed on the pressing sheet cylinder, when the turnover plate is in a waiting working state, a third lifting cylinder drives a lifting support plate to descend to empty a groove of the air suction plate, the turnover plate is placed in the groove, the turnover plate is flush with the air suction plate at the moment, the pressing sheet cylinder is connected with the pressing sheet, the pressing sheet cylinder drives one end of the pressing sheet to tilt or press on the turnover plate, the pressing sheet cylinder is installed at the output end of the turnover motor, the turnover motor drives the pressing sheet cylinder to turn over, the pressing sheet cylinder further drives the pressing sheet and the turnover plate to turn over, and after the turnover plate turns over, the third lifting cylinder drives the lifting support plate to ascend to fill the vacancy of the groove;

the material pressing and shaping mechanism comprises a material pressing and shaping plate, a first lifting cylinder, a first lifting seat, a first sliding block, a first sliding rail and a positioning seat, a second lifting cylinder, a second lifting seat, a second sliding block and a second sliding rail, wherein the first lifting seat is connected with the material pressing and shaping plate and the first sliding rail, the first lifting cylinder drives the first lifting seat to ascend or descend, the second lifting seat is connected with the positioning seat and the second sliding rail, and the second lifting cylinder drives the second lifting seat to ascend or descend.

Preferably, the air suction seat body is further provided with a first air suction opening communicated with the first negative pressure chamber and a second air suction opening communicated with the second negative pressure chamber, the first air suction opening is connected with the first air suction pipe, the second air suction opening is connected with the second air suction pipe, and the first air suction pipe and the second air suction pipe can independently suck air to the first negative pressure chamber and the second negative pressure chamber respectively to generate negative pressure.

Preferably, be provided with spacing lug in the recess, spacing lug sets up in the recess, can provide spacingly when the lift backup pad descends, avoids the lift backup pad to continue to descend and extrudees third lift cylinder and lead to the damage of third lift cylinder.

Preferably, the third lift cylinder is two at least, and two third lift cylinders can hold longer lift backup pad to guarantee that the lift backup pad can realize better lift effect.

Preferably, still including taking out and moving the subassembly, take out and move the subassembly and include third slider, third slide rail and connecting seat, the third slider setting is in the seat main part bottom that induced drafts, and the third slide rail removes along the third slider, and the connecting seat is fixed on the third slide rail to be connected with folding mechanism, take out and move the subassembly and drive folding mechanism and insert and leave the seat mechanism that induced drafts.

Preferably, still be provided with the preforming cylinder block on the preforming cylinder, the preforming cylinder passes through the preforming cylinder block and is connected with the output of upset motor, and the preforming cylinder block can guarantee that better drive preforming cylinder and preforming and the upset of returning face plate of upset motor.

Preferably, the positioning seat is provided with a positioning pin, and the positioning pin is inserted into the positioning hole to complete positioning, so that the positioning seat is prevented from swinging left and right.

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

the utility model is provided with an auxiliary folding air suction seat, a turnover folding mechanism and a material pressing and shaping mechanism, and the working process of the utility model is as follows:

in the preparation process, the third lift cylinder drives the lift backup pad decline, in order to give way the recess vacancy, provide male space for the returning face plate, take out and move the subassembly and drive the returning face plate and insert after the recess, the preforming is automatic to bounce, second lift cylinder drives the second slide rail and descends along the second slider, drive the position that the positioning seat slided to the locating pin and inserts in the locating hole, spacing assurance positioning seat can not the horizontal hunting in the locating pin inserts the locating hole, the vertical limit of positioning seat this moment just in time is perpendicular with the edge in first area and the second area of induced drafting, thereby guarantee that the workman is very convenient the first area and the second area of induced drafting that induced drafts the scope, can not put the cloth partially, produce suction in the chamber of induced drafting, the area of induced drafting and the second area of induced drafting carry out the negative pressure and adsorb first area of induced drafting.

When the sewing machine works, a worker manually places door cylinder cloth to be sewn on the air suction plate, the door cylinder cloth to be turned is placed above the second air suction area, wherein the positioning seat is perpendicular to the edges of the first air suction area and the second air suction area, so that the cloth placed by taking the positioning seat as a reference can be kept horizontal and can not be skewed, then the cloth is adsorbed and preliminarily shaped, the tabletting motor drives the tabletting plate to downwards cooperate with the turnover plate to press the cloth to be turned over above the second air suction area, after the cloth to be turned over is pressed, the turnover motor drives the tabletting cylinder, the turnover plate and the clamped cloth to be turned over to be above the cloth in the first air suction area, meanwhile, the third lifting cylinder drives the lifting support plate to ascend to be aligned with the plane of the air suction plate, the cloth on the air suction plate is ensured to be all positioned on the same plane, and the effect of suction force inside the air suction seat main body is avoided, the cloth can appear sunkenly at the breach position, in the cloth material process of following mop, because cloth and other positions that are sunken in the breach are uneven, lead to sunken cloth and breach edge quick friction in the breach, form fold and draw trace, because a door section of thick bamboo uses in clothes collar department, fold and draw trace on a door section of thick bamboo very influence the clothes impression, influence the problem that the customer used, thereby the automatic upset of a door section of thick bamboo cloth has been accomplished, press the material stereotype in the material shaping mechanism afterwards to drive first slide rail through first lift cylinder and descend to the first area of inhaling air top along first slider and compress tightly the cloth after the upset, take out the subassembly afterwards and drive the upset motor, upset board and preforming are taken out from the cloth, first lift cylinder and second go up and down to drive the material shaping mechanism and rise afterwards, leave the upset workstation, accomplish the shaping process of a door section of thick bamboo.

Therefore, the automatic folding and shaping device of the door cylinder machine provided by the utility model can automatically fold a shirt door cylinder and then carry out shaping through the pressing and shaping mechanism, so that the door cylinder automatically finishes a folding and shaping process, the sewing process is ensured not to have uneven stitches, the manual operation is less, the time is saved, the efficiency is improved, and secondly, the arrangement of the lifting support plate can ensure that the air suction plate is kept on the same plane, so that the phenomenon that the neatness and the attractiveness of cloth are influenced due to wrinkles generated in the sewing process of the door cylinder is avoided.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of an air suction seat mechanism and a folding mechanism according to the present invention;

FIG. 3 is a schematic view of the preparation process of the suction seat mechanism and the folding mechanism of the present invention;

FIG. 4 is a schematic view of the turning process of the suction seat mechanism and the folding mechanism according to the present invention;

FIG. 5 is a schematic view of the present invention showing the completion of the turning of the suction base mechanism and the folding mechanism;

FIG. 6 is a schematic view illustrating a structure in which the elevating support plate ascends according to the present invention;

FIG. 7 is a schematic view of the folding mechanism of the present invention;

FIG. 8 is a schematic structural view of the suction seat mechanism of the present invention;

FIG. 9 is a schematic view of a split structure of the suction base mechanism of the present invention;

FIG. 10 is a schematic view of the internal structure of the main body of the air suction seat of the present invention;

fig. 11 is a schematic structural view of the pressing and shaping mechanism of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature; further, in the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1-11, fig. 1 is a schematic overall structure of the present invention; FIG. 2 is a schematic structural view of an air suction seat mechanism and a folding mechanism according to the present invention; FIG. 3 is a schematic view of the preparation process of the suction seat mechanism and the folding mechanism of the present invention; FIG. 4 is a schematic view of the turning process of the suction seat mechanism and the folding mechanism according to the present invention; FIG. 5 is a schematic view of the present invention showing the completion of the turning of the suction base mechanism and the folding mechanism; FIG. 6 is a schematic view illustrating a structure in which the elevating support plate ascends according to the present invention; FIG. 7 is a schematic view of the folding mechanism of the present invention; FIG. 8 is a schematic structural view of the suction seat mechanism of the present invention;

FIG. 9 is a schematic view of a split structure of the suction base mechanism of the present invention; FIG. 10 is a schematic view of the internal structure of the main body of the air suction seat of the present invention; fig. 11 is a schematic structural view of the pressing and shaping mechanism of the present invention.

The embodiment of the utility model provides an automatic folding and shaping device of a door cylinder machine, wherein part names corresponding to reference numerals in the figure are as follows: the lifting support plate 1, the bottom plate 2, the air suction base main body 3, the third lifting cylinder 4, the first negative pressure chamber 5, the second negative pressure chamber 6, the air suction plate 7, the air suction hole 8, the groove 9, the first air suction port 10, the second air suction port 11, the limiting bump 12, the first air suction area 13, the second air suction area 14, the turnover motor 15, the pressing sheet 16, the turnover plate 17, the pressing sheet cylinder 18, the pressing material shaping plate 19, the first lifting cylinder 20, the first lifting base 21, the first sliding block 22, the first sliding rail 23, the positioning base 24, the second lifting cylinder 25, the second lifting base 26, the second sliding block 27, the second sliding rail 28, the third sliding block 29, the third sliding rail 30, the connecting base 31, the pressing sheet cylinder base 32 and the positioning pin 33.

the air suction seat mechanism comprises a lifting support plate 1, a bottom plate 2, an air suction seat main body 3 and a third lifting cylinder 4, wherein the bottom plate 2 is detachably arranged at the bottom of the air suction seat main body 3, a first negative pressure chamber 5, a second negative pressure chamber 6 and an air suction plate 7 are arranged inside the air suction seat main body 3, an air suction hole 8 is formed in the air suction plate 7, the air suction hole 8 and the first negative pressure chamber 5 form a first air suction area 13, the air suction hole 8 and the second negative pressure chamber 6 form a second air suction area 14, a groove 9 is formed in an overlapping area of the air suction plate 7 and the second negative pressure chamber 6, the lifting support plate 1 is placed on the groove 9, the third lifting cylinder 4 is arranged in the air suction seat main body 3, the third lifting cylinder 4 is connected with the lifting support plate 1, and the lifting support plate 1 is controlled to ascend and descend in the groove 9;

the folding mechanism comprises a turnover motor 15, a pressing sheet 16, a turnover plate 17 and a pressing sheet cylinder 18, wherein the turnover plate 17 is fixed on the pressing sheet cylinder 18, when the turnover plate 17 is in a state of waiting for work, the third lifting cylinder 4 drives the lifting support plate 1 to descend to vacate the groove 9 of the air suction plate 7, the turnover plate 17 is placed in the groove 9, the turnover plate 17 is flush with the air suction plate 7 at the moment, the pressing sheet cylinder 18 is connected with the pressing sheet 16, the pressing sheet cylinder 18 drives one end of the pressing sheet 16 to tilt or press the turnover plate 17, the pressing sheet cylinder 18 is installed at the output end of the turnover motor 15, the turnover motor 15 drives the pressing sheet cylinder 18 to turn over, the pressing sheet cylinder 18 further drives the pressing sheet 16 and the turnover plate 17 to turn over, and after the turnover plate 17 turns over, the third lifting cylinder 4 drives the lifting support plate 1 to ascend to fill the vacancy of the groove 9;

the material pressing and shaping mechanism comprises a material pressing and shaping plate 19, a first lifting cylinder 20, a first lifting seat 21, a first sliding block 22, a first sliding rail 23, a positioning seat 24, a second lifting cylinder 25, a second lifting seat 26, a second sliding block 27 and a second sliding rail 28, the first lifting seat 21 is connected with the material pressing and shaping plate 19 and the first sliding rail 23, the first lifting cylinder 20 drives the first lifting seat 21 to ascend or descend, the second lifting seat 26 is connected with the positioning seat 24 and the second sliding rail 28, and the second lifting cylinder 25 drives the second lifting seat 26 to ascend or descend.

The air suction seat body 3 is further provided with a first air suction opening 10 communicated with the first negative pressure chamber 5 and a second air suction opening 11 communicated with the second negative pressure chamber 6, the first air suction opening 10 is connected with the first air suction pipe, the second air suction opening 11 is connected with the second air suction pipe, and the first air suction pipe and the second air suction pipe can independently suck air to the first negative pressure chamber 5 and the second negative pressure chamber 6 respectively to generate negative pressure.

Be provided with spacing lug 12 in the recess 9, spacing lug 12 sets up in recess 9, can provide spacingly when lift backup pad 1 descends, avoids lift backup pad 1 to continue to descend and extrudees third lift cylinder 4 and lead to third lift cylinder 4 to damage.

The third lift cylinder 4 is two at least, and longer lift backup pad 1 can be held to two third lift cylinders 4 to guarantee that lift backup pad 1 can realize better lift effect.

Still including taking out the subassembly that moves, take out the subassembly that moves and include third slider 29, third slide rail 30 and connecting seat 31, third slider 29 sets up in the 3 bottoms of seat main parts that induced draft, and third slide rail 30 moves along third slider 29, and connecting seat 31 is fixed on third slide rail 30 to be connected with folding mechanism, take out the subassembly that moves and drive folding mechanism and insert and leave the seat mechanism that induced drafts.

The tabletting air cylinder 18 is also provided with a tabletting air cylinder seat 32, the tabletting air cylinder 18 is connected with the output end of the overturning motor 15 through the tabletting air cylinder seat 32, and the tabletting air cylinder seat 32 can ensure that the overturning motor 15 can better drive the tabletting air cylinder 18, the tabletting 16 and the overturning plate 17 to overturn.

The positioning seat 24 is provided with a positioning pin 33, and the positioning pin 33 is inserted into the positioning hole to complete positioning, so that the positioning seat 24 is prevented from swinging left and right.

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

in the preparation process, the third lifting cylinder 4 drives the lifting support plate 1 to descend to make the groove 9 vacant, an inserting space is provided for the turnover plate 17, after the pulling and moving assembly drives the turnover plate 17 to be inserted into the groove 9, the pressing sheet 16 automatically bounces, the second lifting cylinder 25 drives the second slide rail 28 to descend along the second slide block 27, the positioning seat 24 is driven to slide to the position where the positioning pin 33 is inserted into the positioning hole, the positioning pin 33 is inserted into the positioning hole in a limiting mode to ensure that the positioning seat 24 cannot swing left and right, at the moment, the vertical edge of the positioning seat 24 is just perpendicular to the edges of the first air suction area 13 and the second air suction area 14, and therefore a worker can conveniently determine the range of the first air suction area 13 and the range of the second air suction area 14, cloth cannot be placed in an inclined mode, suction force is generated in an air suction cavity, and negative pressure adsorption is performed on the first air suction area 13 and the second air suction area 14.

When the sewing machine works, a worker manually places door cylinder cloth to be sewn on the air suction plate 7, the door cylinder cloth to be turned is placed above the second air suction area 14, wherein the positioning seat 24 is perpendicular to the edges of the first air suction area 13 and the second air suction area 14, so that the cloth placed by taking the positioning seat 24 as a reference can be kept horizontal and can not be skewed, then the cloth is adsorbed and preliminarily shaped, the motor of the pressing piece 16 drives the pressing piece 16 to downwards cooperate with the turning plate 17 to press the cloth to be turned over above the second air suction area 14, after the cloth to be turned over is pressed, the turning motor 15 drives the pressing piece cylinder 18, the turning plate 17 and the clamped cloth to be turned over to the upper side of the cloth of the first air suction area 13 in the same direction, meanwhile, the third lifting cylinder 4 drives the lifting support plate 1 to ascend to a position which is flush with the plane of the air suction plate 7, and the cloth on the air suction plate 7 is ensured to be all located on the same plane, the problem that the cloth sunken in the gap is fast rubbed with the edge of the gap to form folds and pull marks due to the fact that the cloth sunken in the gap is uneven with other positions in the subsequent cloth dragging process due to the effect of suction force in the air suction seat main body 3 is solved, the folds and the pull marks on the door cylinder influence the appearance of clothes and influence the use of customers due to the fact that the door cylinder is used at the clothes collar, and therefore automatic overturning of the cloth of the door cylinder is completed, then a material pressing and setting plate 19 in a material pressing and setting mechanism drives a first sliding rail 23 to descend to the upper portion of a first air suction area 13 along a first sliding block 22 through a first lifting cylinder 20 to press and turn the overturned cloth, then a drawing component drives an overturning motor 15, an overturning plate 17 and a pressing plate 16 to be drawn out of the cloth, and then the first lifting cylinder 20 and a second lifting drive the material pressing and setting mechanism to ascend, and leaving the overturning worktable to finish the shaping process of the door cylinder.

In summary, the utility model provides an automatic folding and shaping device of a door cylinder machine, which can automatically fold a shirt door cylinder and then shape the shirt door cylinder through a pressing and shaping mechanism, so that the door cylinder automatically finishes a folding and shaping process, the sewing process is ensured not to have uneven stitches, the manual operation is less, the time is saved, the efficiency is improved, and secondly, the arrangement of a lifting support plate can ensure that an air suction plate is kept on the same plane, so that the phenomenon that the sewing process of the door cylinder has wrinkles, and the neatness and the attractiveness of cloth are influenced is avoided.

The above is only a preferred embodiment of the present invention, and it should be noted that the above preferred embodiment should not be considered as limiting the present invention, and the protection scope of the present invention should be subject to the scope defined by the claims. It will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the spirit and scope of the utility model, and these modifications and adaptations should be considered within the scope of the utility model.

Claims

1. The utility model provides an automatic folding setting device of a door section of thick bamboo machine which characterized in that, includes induced draft seat mechanism, folding mechanism, presses material setting mechanism, wherein:

the air suction seat mechanism comprises a lifting support plate, a bottom plate, an air suction seat main body and a third lifting cylinder, wherein the bottom plate is detachably mounted at the bottom of the air suction seat main body, a first negative pressure cavity, a second negative pressure cavity and an air suction plate are arranged in the air suction seat main body, an air suction hole is formed in the air suction plate, the air suction hole and the first negative pressure cavity form a first air suction area, the air suction hole and the second negative pressure cavity form a second air suction area, a groove is formed in an overlapping area of the air suction plate and the second negative pressure cavity, the lifting support plate is placed on the groove, the third lifting cylinder is mounted in the air suction seat main body and connected with the lifting support plate, and the lifting support plate is controlled to ascend and descend in the groove;

the folding mechanism comprises a turnover motor, a pressing sheet, a turnover plate and a pressing sheet cylinder, the turnover plate is fixed on the pressing sheet cylinder, when the turnover plate is in a standby state, the third lifting cylinder drives the lifting support plate to descend to empty a groove of the air suction plate, the turnover plate is placed in the groove, the turnover plate is flush with the air suction plate at the moment, the pressing sheet cylinder is connected with the pressing sheet, the pressing sheet cylinder drives one end of the pressing sheet to tilt or press on the turnover plate, the pressing sheet cylinder is installed at the output end of the turnover motor, the turnover motor drives the pressing sheet cylinder to turn over, the pressing sheet cylinder further drives the pressing sheet and the turnover plate to turn over, and after the turnover plate turns over, the third lifting cylinder drives the lifting support plate to ascend to fill the vacancy of the groove;

the material pressing and shaping mechanism comprises a material pressing and shaping plate, a first lifting cylinder, a first lifting seat, a first slider, a first slide rail and a positioning seat, a second lifting cylinder, a second lifting seat, a second slider and a second slide rail, wherein the first lifting seat is connected with the material pressing and shaping plate and the first slide rail, the first lifting cylinder drives the first lifting seat to ascend or descend, the second lifting seat is connected with the positioning seat and the second slide rail, and the second lifting cylinder drives the second lifting seat to ascend or descend.

2. The automatic folding and sizing device of the door cylinder machine as claimed in claim 1, wherein the air suction seat body is further provided with a first air suction opening communicated with the first negative pressure chamber and a second air suction opening communicated with the second negative pressure chamber.

3. The automatic folding and sizing device of a door cylinder machine as claimed in claim 1, wherein a limiting projection is arranged in the groove.

4. The automatic folding and sizing device of a door cylinder machine as claimed in claim 1, wherein the number of the third lifting cylinders is at least two.

5. The automatic folding and sizing device of the door cylinder machine as claimed in claim 1, further comprising a drawing and moving assembly, wherein the drawing and moving assembly comprises a third sliding block, a third sliding rail and a connecting seat, the third sliding block is arranged at the bottom of the air suction seat main body, the third sliding rail moves along the third sliding block, and the connecting seat is fixed on the third sliding rail and connected with the folding mechanism.

6. The automatic folding and sizing device of the door cylinder machine as claimed in claim 1, wherein a tablet pressing cylinder block is further arranged on the tablet pressing cylinder, and the tablet pressing cylinder is connected with the output end of the overturning motor through the tablet pressing cylinder block.

7. The automatic folding and sizing device of a door cylinder machine as claimed in claim 1, wherein the positioning seat is provided with a positioning post.