CN107443215B

CN107443215B - Automatic equipment of polishing in waste paper tube surface

Info

Publication number: CN107443215B
Application number: CN201710704804.3A
Authority: CN
Inventors: 王小卫
Original assignee: Suzhou Zhenquan Rubber & Plastic Technology Co ltd
Current assignee: Suzhou Zhenquan Material Co.,Ltd.
Priority date: 2017-08-02
Filing date: 2017-08-17
Publication date: 2020-04-14
Anticipated expiration: 2037-08-17
Also published as: CN107443215A

Abstract

The invention relates to a waste paper tube surface automatic grinding device, which comprises: a support frame; a paper tube clamping assembly; the polishing assembly comprises a base, a polishing mechanism, a peeling knife group, a second power mechanism and a cover cap, wherein the base is slidably arranged on the second sliding rail and the third sliding rail, the polishing mechanism is fixed on the upper surface of the base, the peeling knife group is fixed on the upper surface of the base and positioned between the polishing mechanism and the paper tube lifting mechanism, the second power mechanism is connected with the bottom of the base and used for driving the base to slide, and the cover cap is arranged on the upper surface of the base and covers the polishing mechanism and the peeling knife group; the dust collecting assembly is communicated with the cover cap and used for collecting dust generated by polishing of the polishing assembly. Therefore, the automatic clamping and the surface layer removal of the paper tube can be realized, and the peeled paper tube is polished smoothly.

Description

Automatic equipment of polishing in waste paper tube surface

Technical Field

The invention relates to polishing equipment, in particular to automatic polishing equipment for the surface of a waste paper tube.

Background

The chinese utility model with application number 201520828494.2 discloses a dustproof thin film tube core, it includes: the tube core is internally provided with a cavity concentric with the tube core; the first coating layer is formed at two ends of the inner wall of the cavity; a second coating layer formed on both ends of the outer surface of the die and connected to the first coating layer; and the coating layer covers the second coating layer and the outer surface of the tube core. The first coating layers are formed at two ends of the inner wall of the cavity, and the second coating layers connected with the first coating layers are formed at two ends of the outer surface of the tube core, so that the falling of tube core fragments can be effectively avoided; and the outer surfaces of the second coating layer and the tube core are covered with the film coating layer, so that a buffer can be formed between the tube core and a product, the end part of the product is prevented from generating an indentation, the loss of the product is reduced, and the utilization rate is improved. The paper tube having the above structure or the structure similar to the above structure usually results in scrapping of the whole paper tube when a destructive structure such as a scratch is formed on the surface thereof due to a structure such as a coating layer formed on the outer surface thereof, which obviously wastes resources and increases the cost. It is clear that the cost can be greatly reduced if these paper tubes can be reused.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide a waste paper tube surface automatic grinding device.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows: an automatic waste paper tube surface grinding device, comprising:

the top of the supporting frame is provided with a first sliding rail, a second sliding rail and a third sliding rail which are parallel to each other and arranged in an aligned mode, and the second sliding rail is located between the first sliding rail and the third sliding rail;

the paper tube clamping assembly comprises a right clamping mechanism, a first power mechanism, a left clamping mechanism and a paper tube lifting mechanism, wherein the right clamping mechanism is slidably arranged on the first slide rail and the second slide rail;

the polishing assembly comprises a base, a polishing mechanism, a peeling knife group, a second power mechanism and a cover cap, wherein the base is slidably arranged on the second sliding rail and the third sliding rail, the polishing mechanism is fixed on the upper surface of the base, the peeling knife group is fixed on the upper surface of the base and positioned between the polishing mechanism and the paper tube lifting mechanism, the second power mechanism is connected with the bottom of the base and used for driving the base to slide, and the cover cap is arranged on the upper surface of the base and covers the polishing mechanism and the peeling knife group;

the dust collecting assembly is communicated with the cover cap and used for collecting dust generated by polishing of the polishing assembly.

Optimally, the paper tube clamping assembly further comprises two groups of limiting baffles which are arranged at the top of the supporting frame and used for limiting the stroke of the right clamping mechanism.

Further, paper tube elevating system is including fixing the support at braced frame top, installing a plurality of uide bushings on the support, correspond and wear to locate every many guide bars in the uide bushing, fix many the paper tube of guide bar upper end holds groove, upper end with the paper tube holds the first cylinder that the groove is connected, fixes first backup pad, installation subaerial and be located of first cylinder bottom support plate below and erect in on the support plate and pass the bracing piece of first backup pad. Furthermore, the first power mechanism comprises a group of fixed seats arranged between the first slide rail and the second slide rail, a screw rod arranged on the fixed seats and parallel to the first slide rail, a first motor and a transmission belt connecting the end part of the screw rod and the first motor.

Furthermore, the right clamping mechanism comprises a bottom plate which is arranged on the first slide rail and the second slide rail and is matched with the screw rod, a first transmission box which is fixed on the upper surface of the bottom plate, a first rotating shaft which is arranged in the first transmission box in a penetrating way and is parallel to the screw rod, and a first plug connector which is arranged at the free end of the first rotating shaft; the left clamping mechanism comprises a second transmission box fixed at the top of the supporting frame, a second rotating shaft penetrating through the second transmission box and matched with the first rotating shaft, a second plug connector installed at the free end of the second rotating shaft, a supporting vertical frame fixed in the supporting frame and a second motor installed on the supporting vertical frame and connected with the second transmission box.

Preferably, the polishing assembly further comprises a slider mounted on the bottom surface of the base and matched with the second slide rail and the third slide rail, and a connecting block mounted on the bottom surface of the base and located between the second slide rail and the third slide rail, the second power mechanism comprises a plurality of transmission shafts mounted in the supporting frame and located between the second slide rail and the third slide rail, a transmission chain mounted on the plurality of transmission shafts and connected with the connecting block, and a third motor mounted on a side surface of the supporting frame and connected with the transmission chain through the transmission shaft 373; and a supporting bottom plate for supporting the third motor is arranged on the side surface of the supporting frame.

Further, the peeling knife group comprises a support frame arranged on the upper surface of the base, a lower sliding block fixed on the upper surface of the support frame, an upper sliding block arranged on the lower sliding block in a sliding manner, a second support plate connected with the end surface of the upper sliding block, a second air cylinder with one end connected with the side surface of the lower sliding block and the other end fixed with the second support plate, a support column erected on the upper surface of the second support plate, an upper support plate arranged on the support column and arranged above the upper sliding block, a cushion block fixed on the upper surface of the upper sliding block and positioned below the upper support plate, a knife arranged on the upper surface of the cushion block and extending to exceed the end surface of the upper sliding block, and a plurality of fastening bolts arranged on the upper support plate and used for pressing the knife.

Furthermore, the grinding mechanism comprises a motor base fixed at the top of the supporting frame, a double-rotating-shaft motor fixed on the motor base, ring sleeves rotatably arranged at two ends of the double-rotating-shaft motor, supporting plate groups respectively fixed on end faces of the ring sleeves, belt groups correspondingly arranged on the supporting plate groups, a plurality of connecting rods with one ends connected with the ring sleeves, and a plurality of third cylinders with one ends connected with the other ends of the connecting rods in a pivot connection and the other ends connected with the base.

Furthermore, each group of support plate sets comprises a switching block fixed on the end face of the ring sleeve, a switching plate which is connected with the switching block and extends upwards in an inclined manner, a first mounting frame arranged on the upper surface of the switching plate, a first limiting plate arranged at the free end of the switching plate and perpendicular to the free end of the switching plate, and a second limiting plate arranged on the bottom surface of the first mounting frame and corresponding to the first limiting plate; the belt set comprises a driving shaft connected with the double-rotating-shaft motor, a first driven shaft installed on the first mounting rack, a fixed rod and a sleeve which are arranged in the first limiting plate and the second limiting plate in a movable mode, a sliding sleeve and a sleeve which are arranged on the fixed rod and located between the first limiting plate and the second limiting plate, an elastic piece, an eccentric wrench, a second mounting rack fixed at the outer end of the fixed rod, a second driven shaft installed on the second mounting rack and a polishing abrasive belt installed on the driving shaft, the first driven shaft and the second driven shaft, wherein the elastic piece is located on the fixed rod and between the sliding sleeve and the second limiting plate, the eccentric wrench is installed on the side face of the sliding sleeve and in contact with the first limiting plate, the second mounting rack is fixed at.

Optimally, the dust collecting assembly comprises an exhaust pipe, a mounting bottom plate, an exhaust fan, a material distributing pipe, a plurality of dust collecting bags and a support ring, wherein one end of the exhaust pipe is communicated with the cover cap, the mounting bottom plate is arranged on the ground, the other end of the exhaust fan is connected with the other end of the exhaust pipe and fixed on the mounting bottom plate, the material distributing pipe is connected with the exhaust fan at one end and is forked at the other end of the exhaust pipe, the dust collecting bags are communicated with the other end of the material distributing pipe, and the support ring is.

Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages: according to the automatic waste paper tube surface grinding equipment, the supporting frame with the specific structure is matched with the paper tube clamping component, the grinding component, the dust collecting component and the like, so that the automatic clamping and surface layer removal of the paper tube can be realized, and the peeled paper tube is ground smoothly.

Drawings

FIG. 1 is a schematic structural view of a right clamping mechanism of the automatic waste paper tube surface polishing device of the invention;

FIG. 2 is a schematic structural view of a left clamping mechanism of the automatic waste paper tube surface grinding device of the invention;

FIG. 3 is a schematic structural view of a paper tube lifting mechanism of the automatic waste paper tube surface grinding device of the present invention;

FIG. 4 is a schematic structural view of a dust collecting component of the automatic waste paper tube surface grinding device of the present invention;

FIG. 5 is a schematic structural view of a peeling knife set of the automatic waste paper tube surface polishing device of the present invention;

FIG. 6 is a schematic structural view of a second power mechanism of the automatic waste paper tube surface polishing apparatus according to the present invention;

FIG. 7 is a schematic structural diagram of a grinding assembly of the automatic waste paper tube surface grinding device of the invention;

FIG. 8 is a schematic structural diagram of a supporting plate set and a belt set of the automatic waste paper tube surface grinding device of the invention.

Detailed Description

The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings:

the automatic waste paper tube surface grinding device shown in fig. 1 to 8 mainly comprises a support frame 1, a paper tube holding assembly 2, a grinding assembly 3, a dust collecting assembly 4 and the like.

The top of the supporting frame 1 is provided with a first slide rail 11, a second slide rail 12 and a third slide rail 13 which are parallel to each other and arranged in an aligned manner, and the second slide rail 12 is positioned between the first slide rail 11 and the third slide rail 13; the second slide rail 12 and the third slide rail 13 are substantially identical in length, while the first slide rail 11 is of a smaller length (only about half of the second slide rail 12).

The paper tube clamping assembly 2 comprises a right clamping mechanism 24 slidably mounted on the first slide rail 11 and the second slide rail 12, a first power mechanism 23 connected with the right clamping mechanism 24 and used for driving the right clamping mechanism to slide, a left clamping mechanism 25 fixed at the top of the supporting frame 1 and matched with the right clamping mechanism 24, and a paper tube lifting mechanism 22 liftably mounted at the top of the supporting frame 1 and located between the right clamping mechanism 24 and the left clamping mechanism 25. In this embodiment, the paper tube clamping assembly 2 further includes two sets of limit baffles 21 installed on the top of the supporting frame 1 for limiting the stroke of the right clamping mechanism 24, so as to prevent the paper tube from being damaged due to sudden situations of the right clamping mechanism 24. The paper tube lifting mechanism 22 comprises a bracket 221 fixed on the top of the support frame 1, a plurality of guide sleeves 223 mounted on the bracket 221, a plurality of guide rods 225 correspondingly penetrating through each guide sleeve 223, a paper tube containing groove 222 fixed on the upper ends of the plurality of guide rods 225 (the end surface of the paper tube containing groove 222 is in an inverted isosceles trapezoid shape, which is beneficial to improving the stability of placing paper tubes), a first air cylinder 224 with the upper end connected with the paper tube containing groove 222, a first support plate 227 fixed at the bottom of the first air cylinder 224, a support bottom plate 220 mounted on the ground and positioned below the first support plate 227, and a support rod 226 vertically standing on the support bottom plate 220 and penetrating through the first support plate 227; thus, when the paper tube is manually placed into the paper tube holding groove 222, the first air cylinder 224 works to push the paper tube holding groove 222 upwards, so that the paper tube is at the same height as the right clamping mechanism 24 and the left clamping mechanism 25; moreover, the paper tube lifting mechanism 22 with such a structure is beneficial to improving the reliability of the lifting of the paper tube containing groove 222; the paper tube clamping assembly 2 can be matched with a paper tube feeding device as required to automatically feed the paper tubes into the paper tube containing groove 222. The first power mechanism 23 includes a set of fixing seats 231 installed between the first slide rail 11 and the second slide rail 12, a screw rod 232 installed on the fixing seats 231 and parallel to the first slide rail 11, a first motor 234, and a transmission belt 233 connecting an end of the screw rod 232 and the first motor 234, which is beneficial to accurately controlling a travel distance of the right clamping mechanism 24. The right clamping mechanism 24 comprises a bottom plate 240 which is mounted on the first slide rail 11 and the second slide rail 12 and is matched with the screw rod 232, a first transmission case 241 fixed on the upper surface of the bottom plate 240, a first rotating shaft 243 which is arranged in the first transmission case 241 in a penetrating way and is parallel to the screw rod 232, and a first plug 244 mounted at the free end of the first rotating shaft 243; the left clamping mechanism 25 comprises a second transmission box 251 fixed on the top of the support frame 1, a second rotating shaft 255 penetrating through the second transmission box 251 and matched with the first rotating shaft 243 (the end part of the second rotating shaft 255 is arranged adjacent to the paper tube containing groove 222), a second plug-in connector 252 arranged at the free end of the second rotating shaft 255, a support vertical frame 253 fixed in the support frame 1 and a second motor 254 arranged on the support vertical frame 253 and connected with the second transmission box 251; the first and

second connectors

244 and 252 can be detachably mounted on the respective ends of the driving shaft as required, so that they can be replaced according to the inner diameter of the paper tube. Thus, when the first cylinder 224 pushes the paper tube containing slot 222 upwards, the right clamping mechanism 24 moves leftwards to clamp the paper tube between the first plug-in connector 244 and the second plug-in connector 252, and at this time, the second motor 254 works to drive the second rotating shaft 255 to rotate so as to drive the paper tube to rotate synchronously.

The grinding assembly 3 comprises a base 33 slidably mounted on the second slide rail 12 and the third slide rail 13, a grinding mechanism 34 fixed on the upper surface of the base 33, a peeling knife group 35 fixed on the upper surface of the base 33 and positioned between the grinding mechanism 34 and the paper tube lifting mechanism 22, a second power mechanism 37 connected with the bottom of the base 33 and used for driving the base 33 to slide, and a cover 32 mounted on the upper surface of the base 33 and covering the grinding mechanism 34 and the peeling knife group 35. The grinding assembly 3 further comprises a sliding block 31 mounted on the bottom surface of the base 33 and matched with the second slide rail 12 and the third slide rail 13, and a connecting block 36 mounted on the bottom surface of the base 33 and located between the second slide rail 12 and the third slide rail 13, wherein the second power mechanism 37 comprises a plurality of transmission shafts 373 mounted in the support frame 1 and located between the second slide rail 12 and the third slide rail 13, a transmission chain 372 mounted on the plurality of transmission shafts 373 and connected with the connecting block 36, and a third motor 371 mounted on the side surface of the support frame 1 and connected with the transmission chain 372 through the transmission shafts 373; a supporting base plate 14 for supporting the third motor 371 is installed at the side of the supporting frame 1; thus, the second power mechanism 37 can be used for realizing the accurate control of the displacement of the polishing assembly 3, so that when the paper tube rotates, the polishing assembly 3 can move from one end of the paper tube to the other end of the paper tube to realize the peeling of the peripheral surface of the paper tube (removing the layer damaged by the peripheral surface of the paper tube) and the polishing leveling. The peeling knife group 35 comprises a support frame 351 installed on the upper surface of the base 33, a lower slide block 352 fixed on the upper surface of the support frame 351, an upper slide block 353 installed on the lower slide block 352 in a sliding way, a second support plate 355 connected with the end surface of the upper slide block 353, a second air cylinder 354 with one end connected with the side surface of the lower slide block 352 and the other end fixed with the second support plate 355, a support column 350 erected on the upper surface of the second support plate 355, an upper support plate 358 installed on the support column 350 and arranged above the upper slide block 353, a cushion block 356 fixed on the upper surface of the upper slide block 353 and positioned below the upper support plate 358, a knife 357 arranged on the upper surface of the cushion block 356 and extending beyond the end surface of the upper slide block 353, and a plurality of fastening bolts 359 installed on; the peeling blade set 35 is closer to the paper tube than the grinding mechanism 34, so that when the grinding assembly 3 is moved into contact with the paper tube, the peeling blade set 35 first contacts the paper tube to treat the surface thereof; the peeling knife group 35 with the structure can quickly replace the cutter 357, and can accurately control the stroke of the cutter 357, so that only the surface layer of the paper tube is peeled without affecting the interior of the paper tube. The grinding mechanism 34 includes a motor base 341 fixed on the top of the supporting frame 1, a dual-shaft motor 342 fixed on the motor base 341, ring sleeves 347 rotatably installed at both ends of the dual-shaft motor 342, supporting plate groups 343 respectively fixed on end faces of the ring sleeves 347, belt groups 346 correspondingly installed on the supporting plate groups 343, a plurality of connecting rods 344 having one ends connected to the ring sleeves 347, and a plurality of third cylinders 345 having one ends pivotally connected to the other ends of the connecting rods 344 and the other ends connected to the base 33. The third cylinder 345 is operated to drive the connecting rod 344 to move, and further drive the ring sleeve 347 to rotate relative to the dual-spindle motor 342, so that the supporting plate group 343 rotates towards the paper tube, and the belt group 346 can rotate to be in contact with the surface of the peeled paper tube to polish the peeled paper tube. Each set of supporting plate group 343 includes an adapting block 3431 fixed on the end face of the ring cover 347, an adapting plate 3432 connected to the adapting block 3431 and extending obliquely upward (at a position above the paper tubes), a first mounting frame 3433 mounted on the upper surface of the adapting plate 3432, a first limiting plate 3434 mounted on the free end of the adapting plate 3432 and perpendicular to the adapting plate 3432, and a second limiting plate 3435 mounted on the bottom surface of the first mounting frame 3433 and corresponding to the first limiting plate 3434, for mounting a plurality of rotating shafts to wind the sanding belt 3467. The belt set 346 includes a driving shaft 3461 connected to the dual spindle motor 342, a first driven shaft 3462 mounted on the first mounting rack 3433, a fixing rod 3464 movably disposed through the first and second

limiting plates

3434 and 3435, a sliding sleeve 3460 disposed on the fixing rod 3464 and located between the first and second

limiting plates

3434 and 3435, an elastic member 3465 disposed on the fixing rod 3464 and located between the sliding sleeve 3460 and the second limiting plate 3435, an eccentric wrench 3466 rotatably mounted on a side of the sliding sleeve 3460 and contacting with the first limiting plate 3434, a second mounting rack 3468 fixed on an outer end of the fixing rod 3464, a second driven shaft 3463 mounted on the second mounting rack 3468, and a belt sander 3467 mounted on the driving shaft 3461, the first driven shaft 3462 and the second driven shaft 3463, such that when the eccentric wrench 3466 is rotated, the eccentric wheel at an end thereof can squeeze the first limiting plate 3434 to move the sliding sleeve 60 backward (i.e. the direction of the first driven shaft 3434 is away from the driving shaft 3434 ) Toggling causes the elastic member 3465 to be compressed (while the whole of the second driven shaft 3463, the second mounting frame 3468 and the fixing rod 3464 moves backward), so that the distance between the second driven shaft 3463 and the driving shaft 3461 is reduced to conveniently remove the tightened sanding belt 3467 therefrom for replacement.

The dust collection assembly 4 is in communication with the cover 32 for collecting dust generated by the sanding assembly 3. The dust collector comprises an exhaust pipe 43, a mounting base plate 41, an exhaust fan 42, a material distributing pipe 44, a plurality of dust collecting bags 45 and a support ring 46, wherein one end of the exhaust pipe 43 is communicated with the cover cap 32, one end of the mounting base plate 41 is arranged on the ground, the other end of the exhaust pipe 43 is connected with the other end of the exhaust pipe and fixed on the mounting base plate 41, one end of the material distributing pipe 44 is connected with the exhaust fan 42, the other end of the material distributing pipe is forked, the other end of the material distributing pipe 44. After the whole automatic grinding equipment works for a period of time, the dust collecting assembly 4 is directly replaced to continue working, so that the influence on the health of staff caused by the fact that dust generated by grinding is dispersed in a production workshop is avoided.

In this embodiment, the controller 5 (with a touch display screen) electrically connected to the motors and the cylinders is installed on the second transmission box 251, so that the paper tube can be controlled (by using conventional software, mainly the precise control of the stroke of the right clamping mechanism 24 and the control of the motors and the cylinders) by automatic clamping, automatic polishing, automatic dust removal and the like, and the polishing smoothness and the production efficiency are improved. In addition, the support frame 1 is also provided with an emergency stop button 6 positioned at one side of the paper tube lifting mechanism 22, and when the paper tube lifting mechanism 22 works abnormally or other components work abnormally, the emergency stop button 6 can be used for stopping the work of the corresponding components or related components, so that the condition is prevented from being worsened.

While the present application has been described with examples, those of ordinary skill in the art will appreciate that there are numerous variations and permutations of the present application without departing from the spirit of the application, and it is intended that the appended claims encompass such variations and permutations without departing from the spirit of the application.

Claims

1. The utility model provides a waste paper pipe surface automation equipment of polishing which characterized in that, it includes:

the supporting frame (1), a first sliding rail (11), a second sliding rail (12) and a third sliding rail (13) which are parallel to each other and arranged in an aligned mode are installed at the top of the supporting frame (1), and the second sliding rail (12) is located between the first sliding rail (11) and the third sliding rail (13);

the paper tube clamping assembly (2) comprises a right clamping mechanism (24) which is slidably mounted on the first slide rail (11) and the second slide rail (12), a first power mechanism (23) which is connected with the right clamping mechanism (24) and used for driving the right clamping mechanism to slide, a left clamping mechanism (25) which is fixed at the top of the supporting frame (1) and matched with the right clamping mechanism (24), and a paper tube lifting mechanism (22) which is arranged at the top of the supporting frame (1) in a lifting manner and is positioned between the right clamping mechanism (24) and the left clamping mechanism (25); the paper tube clamping assembly (2) further comprises two groups of limiting baffles (21) which are arranged at the top of the supporting frame (1) and used for limiting the stroke of the right clamping mechanism (24); the paper tube lifting mechanism (22) comprises a support (221) fixed at the top of the support frame (1), a plurality of guide sleeves (223) arranged on the support (221), a plurality of guide rods (225) correspondingly penetrating through each guide sleeve (223), a paper tube containing groove (222) fixed at the upper end of the plurality of guide rods (225), a first air cylinder (224) with the upper end connected with the paper tube containing groove (222), a first support plate (227) fixed at the bottom of the first air cylinder (224), a support bottom plate (220) arranged on the ground and positioned below the first support plate (227), and a support rod (226) erected on the support bottom plate (220) and penetrating through the first support plate (227); the first power mechanism (23) comprises a group of fixed seats (231) arranged between the first slide rail (11) and the second slide rail (12), a screw rod (232) arranged on the fixed seats (231) and parallel to the first slide rail (11), a first motor (234) and a transmission belt (233) connected with the end part of the screw rod (232) and the first motor (234);

the polishing assembly (3) comprises a base (33) which is slidably mounted on the second sliding rail (12) and the third sliding rail (13), a polishing mechanism (34) which is fixed on the upper surface of the base (33), a peeling knife group (35) which is fixed on the upper surface of the base (33) and is positioned between the polishing mechanism (34) and the paper tube lifting mechanism (22), a second power mechanism (37) which is connected with the bottom of the base (33) and is used for driving the base to slide, and a cover cap (32) which is mounted on the upper surface of the base (33) and covers the polishing mechanism (34) and the peeling knife group (35); the grinding mechanism (34) comprises a motor base (341) fixed at the top of the supporting frame (1), a double-rotating-shaft motor (342) fixed on the motor base (341), ring sleeves (347) rotatably installed at two ends of the double-rotating-shaft motor (342), supporting plate groups (343) respectively fixed on end faces of the ring sleeves (347), belt groups (346) correspondingly installed on the supporting plate groups (343), a plurality of connecting rods (344) with one ends connected with the ring sleeves (347) and a plurality of third air cylinders (345) with one ends pivotally connected with the other ends of the connecting rods (344) and the other ends connected with the base (33); each group of support plate groups (343) comprises a transfer block (3431) fixed on the end face of the ring sleeve (347), a transfer plate (3432) connected with the transfer block (3431) and extending upwards in an inclined manner, a first mounting frame (3433) mounted on the upper surface of the transfer plate (3432), a first limiting plate (3434) mounted at the free end of the transfer plate (3432) and perpendicular to the transfer plate, and a second limiting plate (3435) mounted at the bottom of the first mounting frame (3433) and arranged corresponding to the first limiting plate (3434); the peeling knife group (35) comprises a supporting frame (351) arranged on the upper surface of the base (33), a lower sliding block (352) fixed on the upper surface of the supporting frame (351), an upper sliding block (353) slidably arranged on the lower sliding block (352), a second supporting plate (355) connected with the end surface of the upper sliding block (353), a second cylinder (354) with one end connected with the side surface of the lower sliding block (352) and the other end fixed with the second supporting plate (355), a supporting column (350) erected on the upper surface of the second supporting plate (355), an upper supporting plate (358) arranged on the supporting column (350) and arranged above the upper sliding block (353), a cushion block (356) fixed on the upper surface of the upper sliding block (356) and positioned below the upper supporting plate (358), a knife (357) arranged on the upper surface of the cushion block (356) and extending to the end surface of the upper sliding block (353), and a knife (358) arranged on the upper supporting plate (358) A plurality of fastening bolts (359) for pressing the cutter (357); the belt set (346) comprises a driving shaft (3461) connected with the double-rotating-shaft motor (342), a first driven shaft (3462) installed on the first mounting rack (3433), a fixing rod (3464) movably penetrating the first limiting plate (3434) and the second limiting plate (3435), a sliding sleeve (3460) sleeved on the fixing rod (3464) and located between the first limiting plate (3434) and the second limiting plate (3435), an elastic member (3465) sleeved on the fixing rod (3464) and located between the sliding sleeve (3460) and the second limiting plate (3435), an eccentric wrench (3466) rotatably installed on the side surface of the sliding sleeve (3460) and contacting with the first limiting plate (3434), a second mounting rack (3468) fixed at the outer end of the fixing rod (3464), a second driven shaft (3463) installed on the second mounting rack (3468), and a driven shaft (3461) installed on the driving shaft (3461), A sanding belt (3467) on the first driven shaft (3462) and the second driven shaft (3463); the second power mechanism (37) comprises a plurality of transmission shafts (373) which are arranged in the supporting frame (1) and positioned between the second slide rail (12) and the third slide rail (13), a transmission chain (372) which is arranged on the plurality of transmission shafts (373) and connected with the connecting block (36), and a third motor (371) which is arranged on the side surface of the supporting frame (1) and connected with the transmission chain (372); a supporting bottom plate (14) for supporting the third motor (371) is arranged on the side surface of the supporting frame (1);

the dust collection assembly (4), the dust collection assembly (4) is communicated with the cover cap (32) and is used for collecting dust generated by grinding of the grinding assembly (3); the dust collection assembly (4) comprises an exhaust pipe (43) with one end communicated with the cover cap (32), a mounting base plate (41) arranged on the ground, an exhaust fan (42) connected with the other end of the exhaust pipe (43) and fixed on the mounting base plate (41), a branched material distribution pipe (44) with one end connected with the exhaust fan (42) and the other end, a plurality of dust collection bags (45) communicated with the other end of the material distribution pipe (44), and a support ring (46) sleeved on the dust collection bags (45) and fixed with the other end of the material distribution pipe (44).

2. The automatic waste paper tube surface grinding apparatus as claimed in claim 1, wherein: the right clamping mechanism (24) comprises a bottom plate (240) which is arranged on the first slide rail (11) and the second slide rail (12) and is matched with the screw rod (232), a first transmission box (241) which is fixed on the upper surface of the bottom plate (240), a first rotating shaft (243) which is arranged in the first transmission box (241) in a penetrating way and is parallel to the screw rod (232), and a first plug connector (244) which is arranged at the free end of the first rotating shaft (243); the left clamping mechanism (25) comprises a second transmission box (251) fixed to the top of the supporting frame (1), a second rotating shaft (255) penetrating through the second transmission box (251) and matched with the first rotating shaft (243), a second plug connector (252) installed at the free end of the second rotating shaft (255), a supporting vertical frame (253) fixed in the supporting frame (1) and a second motor (254) installed on the supporting vertical frame (253) and connected with the second transmission box (251).

3. The automatic waste paper tube surface grinding apparatus as claimed in claim 1, wherein: the grinding assembly (3) further comprises a sliding block (31) which is arranged on the bottom surface of the base (33) and matched with the second sliding rail (12) and the third sliding rail (13), and a connecting block (36) which is arranged on the bottom surface of the base (33) and located between the second sliding rail (12) and the third sliding rail (13).