Cloth is automatic cutting device in batches
The technical field is as follows:
the invention relates to the technical field of textile machinery, in particular to a cloth batch automatic cutting device.
Background art:
the existing cloth is mostly placed in a warehouse in the form of roll-shaped cloth, when the roll-shaped cloth needs to be cut into pieces of cloth with equal length, the length needed to be cut is measured by using a meter ruler, and then the cloth is cut by using scissors.
The invention content is as follows:
the invention aims to overcome the defects of the prior art and provide the automatic cloth batch cutting device which can automatically cut cloth with equal length in batch, the length precision of the cut cloth is higher, and the labor intensity of workers is reduced.
The scheme for solving the technical problems is as follows:
a cloth batch automatic cutting device comprises a bottom plate, wherein an adsorption roller is arranged above the bottom plate, an output device is arranged on the left side of the adsorption roller, a blade is arranged on the right side of the adsorption roller, the adsorption roller and the blade are provided with synchronous driving mechanisms, each synchronous driving mechanism comprises a motor fixed on the bottom plate through a motor support, an output shaft of each motor is fixedly connected with a driving shaft, the rear end of each driving shaft is fixedly provided with a driving disc, the rear end of each driving disc is provided with a driven disc, the outer wall of each driving disc is provided with a push block, two rectangular bulges with symmetrical centers are formed on the driven disc, the push blocks are pressed on the rectangular bulges on the upper side, the driven disc is fixedly connected with the front end of the adsorption roller through a connecting shaft, the middle part of the connecting shaft is hinged to a front side plate, and the; the front end of the driving shaft is fixedly provided with a synchronizing wheel, the synchronizing wheel is connected with another synchronizing wheel through a synchronizing belt, the synchronizing wheel on the right side is fixed at the front end of the long shaft, the long shaft is hinged on three long shaft hinged plates, the rear end of the long shaft is fixedly provided with a cam, the cam is connected with a mandril, the mandril is inserted and sleeved on the supporting plate, and the mandril penetrates through the left extending end of the supporting plate and is fixed in the middle of; the rear end of the adsorption roller is hinged to the rear side plate through a sleeve, a negative pressure cavity is formed in the rear side of the rear side plate, and the sleeve is communicated with the negative pressure cavity; an air cavity communicated with the sleeve is formed inside the adsorption roller, two symmetrical rectangular long grooves and a plurality of small holes communicated with the air cavity are formed in the outer wall of the adsorption roller, and the blade is opposite to the rectangular long groove on the left side; the front side plate, the supporting plate, the rear side plate and the long shaft hinged plate are fixed on the bottom plate.
Output device is including being located the left shovel cloth piece of adsorption roll, and the front end and the rear end of shovel cloth piece are fixed respectively through the support arm in the front on curb plate and posterior lateral plate, the below of shovel cloth piece is equipped with the conveyer belt, and the conveyer belt tensioning is on two band pulleys that set up about, and left band pulley is equipped with driving motor, the both ends of band pulley articulate respectively on two band pulley supports, and the band pulley support is fixed on the bottom plate.
The right side outer wall shaping of shovel cloth piece has the first arcwall face with the outer wall matched with of adsorption roll, and first arcwall face presses on the left side outer wall of adsorption roll, and the lower lateral wall shaping of shovel cloth piece has the second arcwall face tangent with the outer wall of adsorption roll.
And a friction disc is arranged between the driven disc and the front side plate, the friction disc is sleeved on the connecting shaft, the front side wall of the friction disc is pressed against the driven disc, and the rear side wall of the friction disc is pressed against the front side plate.
The right end of the ejector rod is molded with a convex ring and a hemispherical head rod, a spring is sleeved on the outer wall of the ejector rod, two ends of the spring are pressed on the supporting plate and the convex ring respectively, the spherical surface of the hemispherical head rod is pressed on the outer wall of the cam, a baffle is arranged on each of the front side and the rear side of the cam, planes are molded on the outer wall of the front side and the outer wall of the rear side of the hemispherical head rod, the plane of the front side of the hemispherical head rod is pressed on the baffle of the front side, and the plane of the rear side of the hemispherical head rod is pressed on the baffle of the rear side.
The upper side of the output device is provided with a middle roller, and the outer wall of the lower side of the middle roller is lower than the outer wall of the upper side of the adsorption roller.
The negative pressure cavity is hermetically connected with an air pipe, and the air pipe is connected with an external vacuum pump.
And a shaft seal is arranged between the sleeve and the rear side plate.
The invention has the following outstanding effects: compared with the prior art, the automatic cloth cutting machine can automatically cut cloth with equal length in batch, the length precision of the cut cloth is higher, and the labor intensity of workers is reduced.
Description of the drawings:
FIG. 1 is a schematic structural view in a front view direction of the present invention;
FIG. 2 is a sectional view in front elevation of the present invention;
FIG. 3 is a right side cross-sectional view of the present invention
FIG. 4 is a cross-sectional view of FIG. 3 taken about A-A;
fig. 5 is a schematic structural view of the carrier rod of the present invention.
The specific implementation mode is as follows:
embodiment, as shown in fig. 1 to 5, an automatic cloth batch cutting device comprises a bottom plate 11, an adsorption roller 21 is arranged above the bottom plate 11, an output device 3 is arranged on the left side of the adsorption roller 21, a blade 22 is arranged on the right side of the adsorption roller 21, the adsorption roller 21 and the blade 22 are provided with a synchronous driving mechanism 4, the synchronous driving mechanism 4 comprises a motor 41 fixed on the bottom plate 11 through a motor bracket, the output shaft of the motor 41 is fixedly connected with a driving shaft 42, the rear end of the driving shaft 42 is fixed with a driving disk 43, the rear end of the driving disk 43 is provided with a driven disk 44, a pushing block 431 is formed on the outer wall of the driving disk 43, two rectangular protrusions 441 with symmetrical centers are formed on the driven disk 44, the pushing block 431 is pressed on the rectangular protrusion 441 on the upper side, the driven disk 44 is fixedly connected with the front end of the adsorption roller 21 through a connecting shaft 45, the middle part of the, the rotation center line of the connecting shaft 45 is positioned right below the rotation center line of the driving shaft 42; a synchronizing wheel 46 is fixed at the front end of the driving shaft 42, the synchronizing wheel 46 is connected with another synchronizing wheel 46 through a synchronizing belt 47, the synchronizing wheel 46 on the right side is fixed at the front end of a long shaft 49, the long shaft 49 is hinged on three long shaft hinged plates 15, a cam 23 is fixed at the rear end of the long shaft 49, the cam 23 is connected with a push rod 24, the push rod 24 is inserted and sleeved on the supporting plate 13, and the push rod 24 penetrates through the left extending end of the supporting plate 13 and is fixed in the middle of the blade 22; the rear end of the adsorption roller 21 is hinged on the rear side plate 14 through a sleeve 25, a negative pressure cavity 141 is formed on the rear side of the rear side plate 14, and the sleeve 25 is communicated with the negative pressure cavity 141; an air cavity 211 communicated with the sleeve 25 is formed inside the adsorption roller 21, two symmetrical rectangular long grooves 212 and a plurality of small holes 213 communicated with the air cavity 211 are formed on the outer wall of the adsorption roller 21, and the blade 22 is opposite to the left rectangular long groove 212; the front side plate 12, the support plate 13, the rear side plate 14 and the long shaft hinged plate 15 are fixed on the bottom plate 11.
Furthermore, the output device 3 comprises a shovel cloth block 31 positioned on the left side of the adsorption roller 21, the front end and the rear end of the shovel cloth block 31 are respectively fixed on the front side plate 12 and the rear side plate 14 through support arms, a conveyor belt 32 is arranged below the shovel cloth block 31, the conveyor belt 32 is tensioned on two belt wheels 33 arranged left and right, the belt wheel 33 on the left side is provided with a driving motor, two ends of the belt wheel 33 are respectively hinged on two belt wheel supports 34, and the belt wheel supports 34 are fixed on the bottom plate 11.
Furthermore, the right outer wall of the cloth shoveling block 31 is formed with a first arc-shaped surface 311 matched with the outer wall of the adsorption roller 21, the first arc-shaped surface 311 is pressed against the left outer wall of the adsorption roller 21, and the lower side wall of the cloth shoveling block 31 is formed with a second arc-shaped surface 312 tangent to the outer wall of the adsorption roller 21.
Furthermore, a friction disc 51 is arranged between the driven disc 44 and the front side plate 12, the friction disc 51 is sleeved on the connecting shaft 45, the front side wall of the friction disc 51 is pressed against the driven disc 44, and the rear side wall of the friction disc 51 is pressed against the front side plate 12.
Furthermore, a convex ring 241 and a hemispherical head rod 242 are formed at the right end of the top rod 24, a spring 26 is sleeved on the outer wall of the top rod 24, two ends of the spring 26 are respectively pressed on the support plate 13 and the convex ring 241, the spherical surface of the hemispherical head rod 242 is pressed on the outer wall of the cam 23, a baffle 231 is respectively arranged on the front side and the rear side of the cam 23, a plane 243 is formed on the outer wall of the front side and the outer wall of the rear side of the hemispherical head rod 242, the plane 243 on the front side of the hemispherical head rod 242 is pressed on the baffle 231 on the front side, and the plane 243 on the rear side of the hemispherical head rod 242 is pressed on the baffle 231 on the rear side.
Further, an intermediate roller 52 is provided above the feeding device 3, and a lower outer wall of the intermediate roller 52 is lower than an upper outer wall of the suction roller 21.
Furthermore, the negative pressure chamber 141 is hermetically connected with an air pipe 53, and the air pipe 53 is connected with an external vacuum pump.
Further, a shaft seal 54 is disposed between the sleeve 25 and the rear side plate 14.
The working principle is as follows: firstly, the method comprises the following steps: the cloth passes under the intermediate roller 52 and then is pressed against the outer wall of the suction roller 21; secondly, the vacuum pump is started, the air pipe 53 is used for vacuumizing the negative pressure cavity 141, the cloth is adsorbed on the outer wall of the adsorption roller 21, and the adsorption force of the adsorption roller 21 on the cloth can be improved; simultaneously, the motor 41 drives the driving disc 43 to rotate through the driving shaft 42, the driving disc 43 pushes the rectangular protrusion 441 fixed on the upper side of the driven disc 44 to rotate 180 degrees through the pushing block 431, and as the rotation center of the driving disc 43 is higher than that of the driven disc 44, the rectangular protrusion 441 on the upper side can be separated from the pushing block 431 after rotating 180 degrees, namely, the driving disc 43 rotates one circle, and the driven disc 44 rotates half a circle; simultaneously, the synchronizing wheel 46 on the long shaft 49 is driven by the synchronizing wheel 46 on the driving shaft 42 through the synchronizing belt 47 to rotate, when the driving disc 43 rotates 180 degrees, the cam 23 also rotates 180 degrees, when the driving disc 43 rotates 270 degrees, the cam 23 pushes the blade 22 into one of the rectangular long grooves 212 through the push rod 24, the cutting of the cloth is finished, when the driving disc 43 rotates 360 degrees, the push block 431 starts to push the other rectangular protrusion 441, and the blade 22 also returns to the original position; namely, the driving disk 43 rotates for two circles, the driven disk 44 and the adsorption roller 21 rotate for one circle, and the blade 22 cuts the cloth twice; the friction disk 51 prevents the adsorption roller 21 from continuing to rotate due to inertia, and then the cloth shoveling block 31 shovels the cut cloth adsorbed on the adsorption roller 21 and transports the cloth to the next process through the transport belt 32.
Finally, the above embodiments are only for illustrating the present invention and not for limiting the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, so that all equivalent technical solutions also belong to the scope of the present invention, and the scope of the present invention should be defined by the claims.