CN112077920A

CN112077920A - Cloth perforating machine

Info

Publication number: CN112077920A
Application number: CN202010932406.9A
Authority: CN
Inventors: 周琳烨
Original assignee: 周琳烨
Current assignee: Taishan University
Priority date: 2020-09-08
Filing date: 2020-09-08
Publication date: 2020-12-15
Anticipated expiration: 2040-09-08
Also published as: CN112077920B

Abstract

A cloth perforating machine belongs to the field of sewing equipment and comprises a main mounting plate, wherein a motor mounting frame is arranged in the middle of the rear side of the upper end of a mounting main plate, a first driving piece is fixed in the motor mounting frame, an eccentric wheel is arranged at the output end of the first driving piece, a first rotating connecting rod is sleeved at the convex end of the eccentric wheel, a pressing barrel is arranged at the lower end of the first rotating connecting rod, a second driving piece is arranged in the side surface of the bottom of the mounting main plate, a rolling shaft is arranged at the output end of the second driving piece, a first air cavity is arranged in the mounting main plate, a second mounting plate is also arranged in the middle of the mounting main plate, four cloth pressing pieces capable of moving obliquely and clamping cloth downwards when the pressing barrel presses downwards are uniformly distributed on the second mounting plate along the circumferential direction, and can punch the cloth after being clamped locally enough to obtain a better punching effect, the cooling and heat dissipation can be carried out on the machine body during working, and the service life of the machine is prolonged.

Description

Cloth perforating machine

Technical Field

The invention belongs to the field of sewing equipment, and particularly relates to a cloth perforating machine.

Background

In present life, for pleasing to the eye effect, or for can't splice between more firm, or for wearing the shoelace, we can't avoid always punching on going to the cloth, however present cloth puncher, often only carry out the centre gripping to the edge of big cloth, or only use the roller bearing to carry out the tensioning of front and back and punch, this when the condition in the middle of the position besom of punching a river to some, often can not have fine effect of punching because the unable fine tensioning of peripheral cloth, and punch the waste material of appearing after having punched and often remain on cloth or machine, the accumulation has more can influence the punching of follow-up cloth, it is also very troublesome artificially to go to clear up, consequently, it can be accurate to punch to the tensioning of cloth to design one kind, can also seem very important to the cloth puncher of waste recovery.

Disclosure of Invention

The invention aims to solve the defects of the prior art, and provides a cloth perforating machine which can accurately tension and perforate cloth, recycle waste materials, reasonably protect the machine and prolong the service life of the machine aiming at the problems.

In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a cloth puncher, includes the main mounting panel, installation mainboard upper end rear side middle part is equipped with the motor mounting bracket, the motor mounting bracket internal fixation has first driving piece, first driving piece output is equipped with the eccentric wheel, the protruding pot head of eccentric wheel is equipped with first rotation connecting rod, first rotation connecting rod lower extreme is equipped with down and presses a section of thick bamboo, first rotation connecting rod with push down it links to each other through rotating the base to push down a section of thick bamboo, it is located down section of thick bamboo upper portion plane to rotate the base, be equipped with the second driving piece in the installation mainboard bottom side, second driving piece output is equipped with the roller bearing, the inside first air cavity that is equipped with of installation mainboard, installation mainboard middle part still is equipped with the second mounting panel, along circumferencial direction evenly distributed on the second mounting panel have four cloth pressing pieces that can be to the oblique downstream centre gripping cloth when. The cloth pressing piece can press down when the cloth needs to be punched, the cloth around the punched hole is tensioned, the punched hole is more attractive, and the punching yield is higher.

The installation mainboard top diaphragm department has seted up first sliding tray on the position relative with a section of thick bamboo of pushing down, first sliding tray diameter slightly is greater than the top diameter of a section of thick bamboo of pushing down and pierces through the middle part of installation mainboard top diaphragm, a section of thick bamboo of pushing down can be in under the drive of eccentric wheel the reciprocal slip of direction from top to bottom in the first sliding tray. A certain gap is reserved between the first sliding groove and the lower pressing barrel, so that the processing difficulty of the first sliding groove is reduced for the convenience of gas entering and exiting from the upper part of the first air cavity. Simultaneously, first sliding tray can also keep pushing down a section of thick bamboo reciprocating motion in vertical direction by spacing.

A sliding plate capable of sliding back and forth is arranged in the cavity, a sliding sealing layer is arranged on the outer end face of the sliding plate and can isolate the air of an upper layer and a lower layer in the sliding process, first vent grooves are respectively formed in the left side and the right side of the lower portion of the lower pressing barrel, first check valves are arranged in the two first vent grooves, a second vent groove is further formed between the two first vent grooves and communicated with the two first vent grooves, the height of the second vent groove is smaller than that of the first vent grooves, a first vent pipe is arranged at the lower portion of the second vent groove, two second sliding grooves are arranged at positions, below the two first vent grooves, of the lower portion of the lower tower barrel, the length of each second sliding groove is slightly larger than the distance between the upper limit position and the lower limit position when the eccentric wheel moves, sliding cover plates are arranged in the two second sliding grooves, and the upper ends of the sliding cover plates are fixed with the inner wall of the, the sliding cover plate is attached to the inner diameter of the first sliding groove, and the air flow of the first ventilation groove and the first sliding groove is sealed. The sliding sealing layer can separate the air of the upper layer from the air of the lower layer between the first air cavities. The sliding cover plate, the second sliding groove and the lower part of the first air cavity form sealing, and air cannot escape and can only be discharged from the first vent groove. When the upper space that sliding plate and first air cavity formed when inflating and deflating, because the gap is not big between lower pressure cylinder and the first sliding tray, it is breathed in and is blown and all can blow to first driving piece and eccentric wheel, dispels the heat to it, and its continuous blowing can also blow away originally can adsorb the dust on the machine, keeps the machine clean and tidy, extension machine life. The upper end of the sliding cover plate is fixed with the inner wall of the first air cavity, so that the sliding cover plate can be used as a limiting plate to be pressed downwards when air leakage is prevented, the subsequent first air inlet channel is prevented from being blocked, and reasonable operation of a machine is guaranteed.

Four powerful air blowing openings are formed in the lower portion of the lower pressing barrel in the circumferential direction and communicated with the first vent pipe, and a punching head is arranged at the bottom of the lower pressing barrel. Finally, air in the first vent pipe blows out through four powerful blow-up openings, and the blowing-out of wind can not only blow away the dust all around the cloth that will punch the hole department, if have some cloth pieces, when granule etc. remained on the cloth, can also blow away this part debris, prevents that it from influencing follow-up tensioning centre gripping to the cloth, and the wind key that it blew out still provides power for the subsequent pushing down of pushing down the piece owing to the rapidity of its exhaust vent.

The inside first intake duct that is equipped with of main mounting panel rear end, first intake duct is located first air cavity rear portion and has the bottom that has certain height to interlace with it, extracts gas from first intake duct when first air cavity is aerifyd, first intake duct top is close first air cavity department and is equipped with the second check valve. The first air inlet channel is communicated to the bottom through the inside of the main mounting plate, and a second one-way valve in the first air inlet channel ensures that the first air inlet channel can inflate into the first air cavity and can not exhaust air in the first air cavity. The first air inlet channel is also internally provided with a connecting end of a second driving part and a rolling shaft, and the air can also dissipate heat of the second driving part when blowing.

The mounting structure is characterized in that a first bottom plate is arranged at the bottom of the main mounting plate, the first bottom plate is located at a position slightly lower than the lower side of the second mounting plate, a second bottom plate is arranged at a position slightly lower than the first bottom plate at the bottom of the mounting main plate, a fine-hole screen is arranged on one side, closer to the first air inlet channel, between the first bottom plate and the second bottom plate, a rotating plate is arranged on a fine-hole screen end plate of the second bottom plate, and the rotating plate is connected with the second bottom plate through a torsion spring. When first intake duct admits air, through the space suction between first bottom plate and the second bottom plate gaseous, the piece of punching between two boards can be adsorbed and remove to the pore screen cloth, drops in pore screen cloth side position when no longer induced drafting until first intake duct, and the rotor plate is opened after the standby device operation certain time, concentrates it to take out the clearance. The fine mesh screen is arranged to prevent impurities from entering the first air inlet channel.

Every cloth pressing piece is including seting up at the third sliding tray of second mounting panel terminal surface, every respectively be equipped with the fourth sliding tray on the third sliding tray both sides wall, two the fourth sliding tray is towards second mounting panel central part height, the low slope setting in both sides, two be equipped with the first slip horizontal pole that can reciprocating sliding in the fourth sliding tray, be equipped with first spring between first slip horizontal pole and the second mounting panel, be equipped with on the first sliding pole and connect the aerofoil, it is vertical to connect the aerofoil lower part, is located third sliding tray and width and slightly is less than the third sliding tray, it is the quarter cone wall shape to connect aerofoil upper portion, it is equipped with a friction plate to connect the aerofoil bottom, the friction plate sets up for the slope with connecing the aerofoil bottom when initial, can take place elastic deformation and become to be close the vertical state connecing the aerofoil by pushing down the in-process. The friction plate is made of elastic material and can deform in the pressing contact process, and is tightly attached to the bottom. The conical wall shape of the wind receiving plate is used for better receiving wind blown out from the powerful wind blowing port, converting the blowing force of the wind into downward pressure, providing downward pressure for the friction plate, moving backwards for a short distance, and clamping while ensuring that the cloth can be tensioned.

The bottom of the friction plate is provided with a plurality of first convex balls, the positions of the first bottom plate, corresponding to the four friction plates, are provided with four grooves, a plurality of second convex balls are arranged in the four grooves, and the diameters of the second convex balls are different from the diameters of the first convex balls. Different size balls that divide of diameter can have more centre gripping points, and the centre gripping point is many can have bigger stability to the centre gripping of cloth, prevents that the cloth from sliding. The diameter of the second convex ball at the lower part of the cloth is larger so as to prevent the cloth after punching from being clamped by the small convex ball when moving, so that the design that the diameter of the second convex ball at the bottom is larger and the diameter of the first convex ball at the upper part is smaller is adopted.

The utility model discloses a punching machine, including first mounting panel, second mounting panel, through-hole, sliding base, the first bottom plate, the second through-hole that link up about the place relative with the through-hole is seted up in second mounting panel middle part and the position relative with the first that punches is equipped with the through-hole, through-hole diameter slightly is greater than the head of punching, the second through-hole that link up about the place relative with the through-hole is seted up on the first bottom plate, the position relative with the second through-hole is equipped with sliding base on the second bottom plate, be equipped with the fifth sliding tray of make progress open-ended in the sliding base, be equipped with the depression bar in the fifth sliding tray, the depression bar top is the disc, and the diameter. Go out the waste material way and set up the position some at the second through-hole front end, make the waste material that punches to appear can be taken out by the nature along with the cloth antedisplacement, when going out waste material way edge, it can be adsorbed under the suction effect of lower part wind and get into in the space between first bottom plate and the second bottom plate.

To sum up, this device simple structure when the completion punches to the cloth, not only can carry out better centre gripping tensioning to the part that the cloth punched, can also inflate the gassing through its process of pushing down, for the heat dissipation of overall device carrying out the multiple spot, more can produce the wind waste material through the suction of air intake after will punching and absorb centralized processing.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a top view of the present invention;

FIG. 3 is a cross-sectional view taken at A-A of FIG. 2;

FIG. 4 is an enlarged view of a portion of FIG. 3 at C;

fig. 5 is an enlarged view of a portion D of fig. 3:

fig. 6 is a perspective sectional view taken at B-B in fig. 2.

10. In the figure: the device comprises a main mounting plate 1, a motor mounting frame 2, a first driving piece 3, an eccentric wheel 4, a first rotating connecting rod 5, a lower pressing barrel 7, a rotating base 6, a second driving piece 33, a rolling shaft 8, a first air cavity 49, a second mounting plate 9, a first sliding groove 47, a sliding plate 14, a sliding sealing layer 12, a first ventilation groove 16, a first check valve 88, a second ventilation groove 40, a first ventilation pipe 18, a second sliding groove 17, a sliding cover plate 15, a powerful air blowing port 19, a punching head 38, a first air inlet 44, a second check valve 43, a first bottom plate 31, a second bottom plate 32, a fine-hole screen 45, a rotating plate 46, a third sliding groove 26, a fourth sliding groove 22, a first sliding cross rod 24, a first spring 23, an air receiving plate 21, a friction plate 30, a first convex ball 24, a groove 29, a second convex ball 28, a through hole 20, a second through hole 34, a sliding base 36, a fifth sliding groove 52, a pressing rod 35, A second spring 37 and a waste material outlet channel 41.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

The utility model provides a cloth puncher, including main mounting panel 1, 1 upper end rear side middle part of installation mainboard is equipped with motor mounting bracket 2, motor mounting bracket 2 internal fixation has first driving piece 3. the 3 output of first driving piece is equipped with eccentric wheel 4, the protruding pot head of eccentric wheel 4 is equipped with first rotating connecting rod 5, first rotating connecting rod 5 lower extreme is equipped with down and pushes down a section of thick bamboo 7, first rotating connecting rod 5 links to each other through rotating base 6 with pushing down a section of thick bamboo 7 down, rotating base 6 is located a section of thick bamboo upper portion plane down, be equipped with second driving piece 33 in the installation mainboard 1 bottom side, second driving piece 33 output is equipped with roller bearing 8, the inside first air cavity 49 that is equipped with of installation mainboard 1, installation mainboard middle part 1 still is equipped with second mounting panel 9, it has four cloth pressing pieces that can the syncline downward motion centre gripping cloth to push down when pushing down a section of thick bamboo. Start first driving piece 3, drive eccentric wheel 4 and rotate to drive the first rotation dwang 5 that links to each other with eccentric wheel 4 and remove, drive down and press a section of thick bamboo 7 up-and-down reciprocating motion in first sliding tray 47, when needs punch, the rotatory a week of control motor can accomplish and punch and the machine resets. The second driving member 33 is started to drive the roller 8 at the output end to rotate, so that the cloth can be continuously sent forward to drive the cloth to move. The cloth pressing piece can press down when the cloth needs to be punched, the cloth around the punched hole is tensioned, the punched hole is more attractive, and the punching yield is higher.

A first sliding groove 47 is formed in the position, opposite to the lower pressing barrel 7, of the transverse plate at the top end of the installation main board 1, the diameter of the first sliding groove 47 is slightly larger than that of the top of the lower pressing barrel 7 and penetrates through the middle of the transverse plate at the top end of the installation main board 1, and the lower pressing barrel 7 can slide in the first sliding groove 47 in a reciprocating mode in the up-and-down direction under the driving of the eccentric wheel 4. A certain gap is reserved between the first sliding groove 47 and the lower pressing barrel 7, so that the gas on the upper part of the first gas cavity 49 can conveniently enter and exit, and the processing difficulty of the first sliding groove 47 is reduced. Meanwhile, the first sliding groove 47 can also limit and keep the lower pressing barrel 47 to reciprocate in the vertical direction.

A sliding plate 14 capable of sliding back and forth is arranged in the cavity 49, a sliding sealing layer 12 is arranged on the outer end face of the sliding plate 14, the sliding sealing layer 12 can isolate the air of the upper layer from the air of the lower layer in the sliding process, the left side and the right side of the lower part of the lower pressing cylinder 7 are respectively provided with a first vent groove 16, a first one-way valve 88 is arranged in each of the two first vent grooves 16, a second vent groove 40 is also arranged between the two first vent grooves 16, the second vent groove 40 is communicated with the two first vent grooves 16, the height of the second vent groove 40 is smaller than that of the first vent grooves 16, a first vent pipe 18 is arranged on the lower part of the second vent groove 40, two second sliding grooves 17 are arranged at the lower part of the lower tower 7 and positioned below the two first vent grooves 16, the length of each second sliding groove 17 is slightly larger than the distance between the upper limit position and the lower limit position when the eccentric wheel 3 moves, sliding cover, the sliding cover 15 is fitted to the inner diameter of the first sliding groove 47 to close the air flow between the first ventilation groove 16 and the first sliding groove 47. The sliding plate 14 is fixedly connected with the middle part of the lower pressing barrel 7 in the process of moving the lower pressing barrel 7 up and down, and can move up and down in the first air cavity 49, when the sliding plate moves down, the space formed by the upper part of the first air cavity 49 and the sliding plate 14 is inflated firstly when the sliding plate 14 is pressed down, and is deflated when the sliding plate 14 moves up, and the deflation are finished through the gap between the first sliding groove 47 and the lower pressing barrel 7. When the push-down cylinder 7 is pushed down, the gas in the lower part of the sliding plate 14 passes through the first vent groove 16, enters the second vent groove 40 through the first check valve 88, and then enters the first vent pipe 18 to be continuously discharged downwards. The sliding cover 15 and the second sliding groove 17 form a seal with the lower part of the first air cavity 49, so that air cannot escape and can only be exhausted from the first vent groove 16. The sliding seal layer 12 can separate the upper and lower layers from air communication between the first air chambers 49. When the upper space formed by the sliding plate 14 and the first air cavity 49 is inflated and deflated, because the gap between the lower pressing cylinder 7 and the first sliding groove 47 is not large, the air is sucked and blown to the first driving part 3 and the eccentric wheel 4 to dissipate heat, and the dust which is adsorbed to the machine can be blown away by continuous blowing, so that the cleanness of the machine is kept, and the service life of the machine is prolonged. The upper end of the sliding cover plate 15 is fixed with the inner wall of the first air cavity 49, so that the sliding cover plate can be used as a limit position when the sliding plate 14 is pressed down while air leakage is prevented, the subsequent first air inlet channel 44 is prevented from being blocked, and reasonable operation of the machine is guaranteed.

The lower part of the lower pressing barrel 7 is provided with four strong air blowing openings 19 along the circumferential direction, the four strong air blowing openings 19 are communicated with the first vent pipe 18, and the bottom of the lower pressing barrel 7 is provided with a punching head 38. Finally, the air in the first vent pipe 18 is blown out through the four powerful blowing-out ports 19, the air can blow away dust around the cloth to be punched, if some cloth scraps exist, particles and the like remain on the cloth, the sundries can be blown away, the influence on subsequent tensioning clamping of the cloth is prevented, and the most critical air blown out is that power is provided for the subsequent pressing of the pressing piece due to the fact that the air outlet of the air blowing-out is rapid.

The inside first intake duct 44 that is equipped with of main mounting panel 1 rear end, first intake duct 44 are located first air cavity 49 rear portion and have the crisscross bottom of certain height with it, draw gas from first intake duct 44 when first air cavity 49 aerifys, and first intake duct 44 top is close first air cavity 49 department and is equipped with second check valve 43. The first inlet duct 44 communicates through the interior of the main mounting plate 1 to the bottom thereof and the second one-way valve 43 therein ensures its function of filling the first air chamber 49 with air but not of discharging the air from the first chamber 49. The first air inlet channel 44 also has a connecting end between the second driving member 33 and the roller 8, and the air can also dissipate heat of the second driving member 33 when blowing.

The bottom of main mounting panel 1 is equipped with first bottom plate 31, first bottom plate 31 is located the position that the second mounting panel 9 downside is slightly low, 1 bottom of installation mainboard is more slightly less than first bottom plate 31 position and is equipped with second bottom plate 32, one side that is closer to first intake duct 44 between first bottom plate 31 and the second bottom plate 32 is equipped with pore screen 45, second bottom plate 32 is equipped with rotor plate 46 on being partial to pore screen 45 one end board, pass through torsional spring connection between rotor plate 46 and the second bottom plate 32. When first intake duct 44 admits air, it is gaseous through the space suction between first bottom plate 31 and the second bottom plate 32, and the piece of punching between the two boards can be adsorbed and remove to fine pore screen 45, drops in fine pore screen 45 side position when first intake duct 44 no longer induced drafts, opens rotor plate 46 after the standby unit operation certain time, takes out the clearance with its concentration. The fine mesh screen 45 is provided to prevent foreign materials from entering the first air inlet duct 44.

Each cloth pressing piece comprises third sliding grooves 26 arranged on the end face of the second mounting plate 9, fourth sliding grooves 22 are respectively arranged on two side walls of each third sliding groove 26, the two fourth sliding grooves 22 are obliquely arranged towards the center of the second mounting plate 9 and are lower on two sides, first sliding cross rods 24 capable of sliding in a reciprocating mode are arranged in the two fourth sliding grooves 22, first springs 23 are arranged between the first sliding cross rods 24 and the second mounting plate 9, air receiving plates 21 are arranged on the first sliding rods 24, the lower portions of the air receiving plates 21 are vertical, the cloth pressing pieces are located in the third sliding grooves 26 and are slightly lower than the third sliding grooves 26 in width, the upper portions of the air receiving plates 21 are in a quarter-conical wall shape, friction plates 30 are arranged at the bottoms of the air receiving plates 21, the friction plates 30 are initially obliquely arranged with the bottoms of the air receiving plates 21, and can be elastically deformed to be close to the vertical state in the process that the air receiving plates 21 are pressed downwards. When wind blows from the powerful blowing port 19, the wind receiving plate 21 opposite to the powerful blowing port is blown, the wind receiving channel 21 is driven to move backwards under the pressure of the obliquely blown wind, the wind receiving plate slides backwards in the fourth sliding groove 22 due to the limitation of the fourth sliding groove 22, the first spring 23 is stretched, the whole wind receiving plate 21 obliquely slides downwards in the third sliding groove 26 from inside to outside, the friction plate 30 at the bottom of the wind receiving plate is driven to press downwards, the friction plate 30 is made of elastic materials, can deform in the downward pressing contact process, and is tightly attached to the bottom. The conical wall shape of the wind receiving plate 21 is to better receive the wind blown from the powerful wind blowing port 19, convert the blowing force of the wind into a downward pressure, provide the downward pressure for the friction plate 30, and move backward for a short distance to ensure that the cloth can be tensioned while being clamped.

The bottom of the friction plate is provided with a plurality of first convex balls 24, the first bottom plate 31 is provided with four grooves 29 at positions corresponding to the four friction plates 30, a plurality of second convex balls 28 are arranged in the four grooves 29, and the diameters of the second convex balls 28 are different from the diameters of the first convex balls 24. The first stud ball 24 is of a different diameter than the second stud ball 28 and the second stud ball 28 is of a larger diameter. Different size balls that divide of diameter can have more centre gripping points, and the centre gripping point is many can have bigger stability to the centre gripping of cloth, prevents that the cloth from sliding. The larger diameter of the second convex ball 28 at the lower part is to prevent the cloth after punching from being clamped by the small convex ball when moving, so the design that the diameter of the second convex ball 28 at the bottom part is larger and the diameter of the first convex ball 24 at the upper part is smaller is adopted.

The middle part of the second mounting plate 9 is provided with a through hole 20 at a position opposite to the punching head 38, the diameter of the through hole 20 is slightly larger than that of the punching head 38, a second through hole 34 which is vertically communicated is formed in a position, opposite to the through hole 20, of the first bottom plate 31, a sliding base 36 is arranged at a position, opposite to the second through hole 34, of the second bottom plate 32, a fifth sliding groove 52 which is upwardly open is formed in the sliding base 36, a pressing rod 35 is arranged in the fifth sliding groove 52, the top of the pressing rod is disc-shaped, the diameter of the pressing rod is slightly smaller than that of the second through hole 34, a second spring 37 is arranged between the pressing rod 35 and the sliding base 36, and a waste material outlet channel 41 is formed in the front. When the punching head 38 is pressed downwards for punching, the punching head contacts with the cloth through the through hole 20, and then contacts with the head of the pressing rod 35 in the second through hole 34 when pressed downwards, punching is completed after slightly pressing, and when the punched waste material rises, the waste material falls down from the punching head 38 and is adsorbed on the pressing rod 35 because the lower part of the second through hole 34 is the same as the air inlet of the first air inlet channel 44, and a certain suction force exists, and then the waste material moves forwards along with the movement of the cloth, enters the space between the first bottom plate 31 and the second bottom plate 32 in the waste material outlet channel 41, and is collected in a centralized manner. After the punching is finished, the pressing rod 35 is reset under the action of the second spring 37. The waste discharge channel 41 is arranged at the front end of the second through hole 34, so that waste generated by punching can be naturally taken out along with the forward movement of the cloth, and when the waste discharge channel 41 reaches the edge, the waste can be absorbed into the space between the first bottom plate 31 and the second bottom plate 32 under the suction action of the lower air.

Claims

1. A cloth perforating machine comprises a main mounting plate (1), wherein a motor mounting frame (2) is arranged in the middle of the rear side of the upper end of the mounting main plate (1), a first driving piece (3) is fixed in the motor mounting frame (2), an output end of the first driving piece (3) is provided with an eccentric wheel (4), the cloth perforating machine is characterized in that a first rotating connecting rod (5) is sleeved on a convex end of the eccentric wheel (4), a pressing barrel (7) is arranged at the lower end of the first rotating connecting rod (5), the first rotating connecting rod (5) is connected with the pressing barrel (7) through a rotating base (6), the rotating base (6) is positioned on the upper plane of the pressing barrel, a second driving piece (33) is arranged in the side surface of the bottom of the mounting main plate (1), a rolling shaft (8) is arranged at the output end of the second driving piece (33), a first air cavity (49) is arranged in the, the installation mainboard middle part (1) still is equipped with second mounting panel (9), it has four cloth pressing pieces that can move down the centre gripping cloth to the slant to follow circumferencial direction evenly distributed on second mounting panel (9) when pushing down a section of thick bamboo (7).

2. The cloth perforating machine according to claim 1, characterized in that a first sliding groove (47) is opened at a position opposite to the lower pressing cylinder (7) at the top transverse plate of the mounting main plate (1), the diameter of the first sliding groove (47) is slightly larger than the top diameter of the lower pressing cylinder (7) and penetrates through the middle part of the top transverse plate of the mounting main plate (1), and the lower pressing cylinder (7) can slide back and forth in the first sliding groove (47) in the up-and-down direction under the driving of the eccentric wheel (4).

3. The cloth perforating machine according to claim 1, characterized in that a sliding plate (14) capable of sliding back and forth is arranged in the cavity (49), a sliding sealing layer (12) is arranged on the outer end face of the sliding plate (14), the sliding sealing layer (12) can isolate the air in the upper layer from the air in the lower layer in the sliding process, first vent grooves (16) are respectively arranged on the left and right sides of the lower portion of the lower pressing cylinder (7), first check valves (88) are arranged in the two first vent grooves (16), a second vent groove (40) is further arranged between the two first vent grooves (16), the second vent groove (40) is communicated with the two first vent grooves (16), the height of the second vent groove (40) is smaller than that of the first vent grooves (16), a first vent pipe (18) is arranged on the lower portion of the second vent groove (40), and two second sliding grooves (17) are arranged on the lower portion of the lower tower cylinder (7) below the two first vent grooves (16) ) The length of the second sliding grooves (17) is slightly larger than the distance between the upper limit position and the lower limit position when the eccentric wheel (3) moves, sliding cover plates (15) are arranged in the two second sliding grooves (17), the upper ends of the sliding cover plates (15) are fixed with the inner wall of the lower portion of the first air cavity (49), the sliding cover plates (15) are attached to the inner diameter of the first sliding groove (47), and air flowing between the first air vent groove (16) and the first sliding groove (47) is sealed.

4. The cloth punching machine according to claim 3, characterized in that four powerful air blowing openings (19) are arranged at the lower part of the lower pressing cylinder (7) along the circumferential direction, the four powerful air blowing openings (19) are communicated with the first vent pipe (18), and a punching head (38) is arranged at the bottom of the lower pressing cylinder (7).

5. A cloth punch according to claim 3, characterized in that the main mounting plate (1) is provided with a first air inlet channel (44) at the rear inside, the first air inlet channel (44) is located at the bottom of the rear part of the first air chamber (49) with a certain height staggered with the first air chamber, when the first air chamber (49) is inflated, air is extracted from the first air inlet channel (44), and a second check valve (43) is arranged at the top of the first air inlet channel (44) near the first air chamber (49).

6. A cloth perforating machine as claimed in any one of claims 4 or 5, characterized in that a first bottom plate (31) is provided at the bottom of the main mounting plate (1), the first bottom plate (31) is located at a position slightly lower than the lower side of the second mounting plate (9), a second bottom plate (32) is provided at a position slightly lower than the first bottom plate (31) at the bottom of the main mounting plate (1), a fine-mesh screen (45) is provided at a side between the first bottom plate (31) and the second bottom plate (32) closer to the first air inlet (44), a rotating plate (46) is provided at an end plate of the second bottom plate (32) biased towards the fine-mesh screen (45), and the rotating plate (46) is connected with the second bottom plate (32) by a torsion spring.

7. The cloth punching machine according to claim 1, wherein each cloth pressing member comprises a third sliding groove (26) formed in the end surface of the second mounting plate (9), each of the two side walls of the third sliding groove (26) is provided with a fourth sliding groove (22), both the two fourth sliding grooves (22) are obliquely arranged with the height facing the center portion and the lower sides facing the two side walls of the second mounting plate (9), a first sliding cross bar (24) capable of sliding back and forth is arranged in each of the two fourth sliding grooves (22), a first spring (23) is arranged between the first sliding cross bar (24) and the second mounting plate (9), the first sliding bar (24) is provided with an air receiving plate (21), the lower portion of the air receiving plate (21) is vertical, the air receiving plate is arranged in the third sliding groove (26) and has a width slightly lower than that of the third sliding groove (26), the upper portion of the air receiving plate (21) is in the shape of a quarter conical wall, the bottom of the wind receiving plate (21) is provided with a friction plate (30), and the friction plate (30) is inclined with the bottom of the wind receiving plate (21) at the beginning.

8. The cloth punch according to any one of claims 6 or 7, characterized in that a plurality of first convex balls (24) are arranged at the bottom of the friction plate, four grooves (29) are arranged on the first bottom plate (31) at positions corresponding to four friction plates (30), a plurality of second convex balls (28) are arranged in the four grooves (29), and the diameter of the second convex balls (28) is different from that of the first convex balls (24).

9. Cloth-punching machine according to claim 6, characterized in that the middle of said second mounting plate (9) opposite to the punching head (38) is provided with a through hole (20), the diameter of the through hole (20) is slightly larger than that of the perforating head (38), a second through hole (34) which is communicated up and down is arranged on the first bottom plate (31) opposite to the through hole (20), a sliding base (36) is arranged on the second bottom plate (32) at a position opposite to the second through hole (34), a fifth sliding groove (52) which is opened upwards is arranged in the sliding base (36), a pressing rod (35) is arranged in the fifth sliding groove (52), the top of the pressing rod is in a disc shape, the diameter of the pressing rod is slightly smaller than that of the second through hole (34), a second spring (37) is arranged between the pressing rod (35) and the sliding base (36), the front end of the first bottom plate (31) close to the second through hole (34) is provided with a waste discharge channel (41).