CN211053836U

CN211053836U - Plaster cutting equipment

Info

Publication number: CN211053836U
Application number: CN201921664936.9U
Authority: CN
Inventors: 李一民
Original assignee: Hunan Dexi Medical Technology Co ltd
Current assignee: Hunan Dexi Medical Technology Co ltd
Priority date: 2019-10-08
Filing date: 2019-10-08
Publication date: 2020-07-21
Anticipated expiration: 2029-10-08

Abstract

The utility model discloses a plaster medicine cutting equipment belongs to plaster piece production technical field, include carriage, conveying component, cutting assembly, removal subassembly and the subassembly that flattens, the carriage is vertical setting, conveying component sets up on the carriage, it sets up the top at the carriage to remove the subassembly, cutting assembly includes both sides cutting member and vertical cutting member, both sides cutting member sets up the top at the carriage, vertical cutting member sets up the top at the carriage, be equipped with fixed subassembly on the vertical cutting member, the subassembly that flattens sets up the output at the carriage. The utility model discloses an output downstream of two moving cylinders drives the sliding block and removes in two shifting chutes, and two sliding block removals drive flattening roller downstream, and flattening roller downstream flattens the operation to the plaster subsides, and the operation of flattening is carried out with the place of the unevenness that produces and perk when cutting the plaster subsides, is favorable to follow-up packing to the plaster subsides after flattening.

Description

Plaster cutting equipment

Technical Field

The utility model belongs to the technical field of plaster piece production technique and specifically relates to a plaster subsides cutting equipment is related to.

Background

The conventional plaster is a plaster which is usually stuck to a certain part of a body. It is defined as an external preparation prepared by refining medicinal materials, edible vegetable oil and red lead into paste and spreading the paste on a backing material. The plaster is mainly used for treating furuncle, swelling and pain, and the like, and is used for thin plaster on the skin surface, so thick-odor medicines are taken from the plaster, and the medicines are guided to take effect and lead stagnation to directly reach the focus.

Patent with publication number CN205367698U relates to a shutdown mechanism of plaster subsides transparent film, which comprises a bod, be equipped with drive arrangement in the organism, drive arrangement is connected with the one end of connecting rod, the other end and the movable block of connecting rod are connected, movable block and slide bar connection and both are sliding connection, slide bar one end is connected with guider A, the other end and the guider B of slide bar are connected, the slide bar is connected with the cutter, the device passes through the automatic product that cuts down on the workstation of drive cutter, realize automatic cutting, the cutting efficiency is high, the line of cut is neat, the emergence of product cutting back deckle edge or the line of cut irregularity phenomenon can not appear, the quality of the product of producing has been improved. The device leads through guider A and guider B simultaneously, and is more steady during the cutter cutting, can realize the cutter automatic rising through the device, cuts and resets, has improved the production automation level.

However, the above-mentioned devices also have the following problems in use: firstly, the cut patches can only be cut with the same size, and secondly, the cut patches cannot be flattened at the raised and uneven positions, which affects the quality of the patches.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a plaster subsides cutting equipment to solve among the prior art can only cut the plaster subsides of same specification and can not carry out the technical problem that flattens with uneven place to the plaster subsides perk of cutting.

The utility model provides a plaster subsides cutting equipment, include carriage, conveying component, cutting assembly, removal subassembly and the subassembly that flattens, the carriage is vertical setting, conveying component sets up on the carriage and rotates with the carriage to be connected, remove the subassembly setting at the top of carriage and with conveying component sliding fit, cutting assembly includes both sides cutting piece and vertical cutting piece, both sides cutting piece sets up the top at the carriage and is located conveying component's side, vertical cutting piece sets up the top at the carriage, be equipped with fixed subassembly on the vertical cutting piece, the subassembly that flattens sets up the output at the carriage, flatten subassembly and conveying component normal running fit.

Further, conveying component includes conveying mechanism, conveyer belt and two conveying rollers, two the conveying roller symmetry sets up in the top both sides of carriage and rotates with the carriage to be connected, the conveyer belt cover is established on two conveying rollers, conveying mechanism sets up on the carriage and is connected with the one end transmission of one of them conveying roller.

Furthermore, the two-side cutting piece comprises two mounting seats, two transmission lead screws, two moving blocks and two rotating motors, the two mounting seats are symmetrically arranged at the top of the conveying frame, the two transmission lead screws are symmetrically arranged on the two mounting seats, two ends of the two transmission lead screws are respectively rotatably connected with the two mounting seats, the two rotating motors are symmetrically arranged on the side wall of one of the mounting seats, an output shaft of each rotating motor is fixedly connected with one end of the transmission lead screw correspondingly arranged, the two moving blocks are symmetrically arranged on the two transmission lead screws and are in threaded connection with the two transmission lead screws, and a vertical cutting knife which is downwards arranged is arranged at the bottom of each moving block.

Further, vertical cutting member includes that supporting seat, driving motor, cutting knife, first rotation wheel and second rotate the wheel, the supporting seat mounting is established at the top of carriage, be equipped with the storage tank on the supporting seat, first rotation wheel setting just rotates with the lateral wall of storage tank in the one end of storage tank and is connected, the second rotates the wheel setting in the other end of storage tank and rotates with the lateral wall of storage tank and be connected, driving motor sets up on the supporting seat and driving motor's output shaft and first rotation wheel fixed connection, be equipped with on the first rotation wheel and rotate the belt that the wheel transmission is connected with the second, the one end of belt is equipped with the installation piece, the vertical setting of cutting knife is in the bottom of installation piece.

Further, the fixed subassembly includes the erection bracing board, drives actuating cylinder and fixed plate, the erection bracing board sets up on one side lateral wall of supporting seat, it sets up at the top of erection bracing board and drives the vertical downward setting of output of actuating cylinder to drive actuating cylinder setting, the fixed plate level sets up on the output that drives actuating cylinder.

Further, the movable assembly comprises a movable roller, a movable motor and two fixed seats, the fixed seats are symmetrically arranged at the top of the conveying frame, two ends of the movable roller are rotatably connected with the two fixed seats respectively, the movable motor is arranged on one of the fixed seats, an output shaft of the movable motor is fixedly connected with one end of the movable roller, and a plurality of circular convex blocks distributed circumferentially are arranged on the movable roller.

Further, the subassembly that flattens includes flattening roller, flattening motor, two positioning seats and two removal cylinders, two the positioning seat symmetry sets up at the top of carriage, two the removal cylinder sets up respectively at the top of two positioning seats and the vertical downward setting of output of removal cylinder, every all be equipped with the shifting chute on the positioning seat, every all be equipped with in the shifting chute with its sliding fit's sliding block, every the top of sliding block all is connected with the output of its removal cylinder that corresponds, every the bottom of sliding block all is equipped with the connecting spring of the vertical setting of two symmetries, flattening roller's both ends rotate with two sliding blocks respectively and are connected, flattening motor sets up on the lateral wall of one of them sliding block, flattening motor's the output shaft rather than the one end fixed connection of middling pressure flat roll.

Compared with the prior art, the beneficial effects of the utility model reside in that:

one of the two, the utility model discloses carry plaster to back between two mounts, two rotate motor work and drive two transmission lead screws and rotate on two mounts, two transmission lead screws rotate and drive two movable blocks relative movement and back of the body removal on two transmission lead screws, two movable blocks remove and drive two cutting off knives and remove, remove two cutting off knives to appointed position, cut the operation to plaster, can change the distance between two cutting off knives through two rotation motor work, can cut off the plaster of the different specifications of not unidimensional.

Two, the utility model discloses to the cutting back of plaster, the conveyer belt is carried the plaster to the below of flattening roller, and two output downstream of moving cylinder drive the sliding block and remove in two shift chutes, and two sliding block removal drive flattening roller downstream, and flattening roller downstream flattens the operation to the plaster, and the operation of flattening is carried out in the place of the unevenness that produces when cutting the plaster and perk, is favorable to the follow-up packing to the plaster after flattening.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic perspective view of the present invention;

FIG. 3 is a schematic perspective view of the longitudinal cutting member of the present invention;

fig. 4 is a schematic perspective view of the fixing assembly of the present invention;

fig. 5 is a schematic perspective view of the pressing component of the present invention.

Reference numerals:

the device comprises a conveying frame 1, a conveying assembly 2, a conveying mechanism 21, a conveying belt 22, a conveying roller 23, a cutting assembly 3, two-side cutting pieces 31, a mounting seat 311, a transmission screw rod 312, a moving block 313, a rotating motor 314, a cutting knife 315, a longitudinal cutting piece 32, a supporting seat 321, a driving motor 322, a cutting knife 323, a first rotating wheel 324, a second rotating wheel 325, a belt 326, a mounting block 327, a moving assembly 4, a moving roller 41, a moving motor 42, a fixing seat 43, a round convex block 44, a flattening assembly 5, a flattening roller 51, a flattening motor 52, a positioning seat 53, a moving groove 531, a moving cylinder 54, a sliding block 55, a connecting spring 56, a fixing assembly 6, a mounting supporting plate 61, a driving cylinder 62 and a fixing plate 63.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention.

The components of the embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.

Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring now to fig. 1 to 5, an embodiment of the present invention provides a plaster cutting device, comprising a conveying frame 1, a conveying assembly 2, a cutting assembly 3, a moving assembly 4 and a pressing assembly 5, the conveying frame 1 is vertically arranged, the conveying assembly 2 is arranged on the conveying frame 1 and is rotationally connected with the conveying frame 1, the moving assembly 4 is arranged on the top of the conveying frame 1 and is matched with the conveying assembly 2 in a sliding way, the cutting assembly 3 comprises two side cutting pieces 31 and a longitudinal cutting piece 32, the two-sided cutting member 31 is disposed at the top of the carriage 1 and beside the conveyor assembly 2, the longitudinal cutting member 32 is arranged on the top of the conveying frame 1, the fixing component 6 is arranged on the longitudinal cutting member 32, the flattening component 5 is arranged at the output end of the conveying frame 1, and the flattening component 5 is in running fit with the conveying component 2.

Specifically, the conveying assembly 2 comprises a conveying mechanism 21, a conveying belt 22 and two conveying rollers 23, the two conveying rollers 23 are symmetrically arranged on two sides of the top of the conveying frame 1 and are rotatably connected with the conveying frame 1, the conveying belt 22 is sleeved on the two conveying rollers 23, and the conveying mechanism 21 is arranged on the conveying frame 1 and is in transmission connection with one end of one of the conveying rollers 23; when the plaster is cut, the plaster is placed on the conveyer belt 22, the conveyer mechanism 21 is operated to drive one of the conveyer rollers 23 to rotate, one of the conveyer rollers 23 drives the other conveyer roller 23 to rotate on the conveyer frame 1 through the conveyer belt 22, and the conveyer belt 22 rotates to convey the plaster forward to cut the plaster.

Specifically, the two-side cutting member 31 includes two mounting seats 311, two transmission screw rods 312, two moving blocks 313 and two rotating motors 314, the two mounting seats 311 are symmetrically arranged at the top of the conveying frame 1, the two transmission screw rods 312 are symmetrically arranged on the two mounting seats 311, two ends of the two transmission screw rods 312 are respectively rotatably connected with the two mounting seats 311, the two rotating motors 314 are symmetrically arranged on the side wall of one of the mounting seats 311, an output shaft of each rotating motor 314 is fixedly connected with one end of the transmission screw rod 312 correspondingly arranged thereon, the two moving blocks 313 are symmetrically arranged on the two transmission screw rods 312 and are in threaded connection with the two transmission screw rods 312, and a cutting knife 315 vertically arranged downwards is arranged at the bottom of each moving block 313; after the plaster is conveyed between the two mounting seats 311, the two rotating motors 314 work to drive the two transmission screw rods 312 to rotate on the two mounting seats 311, the two transmission screw rods 312 rotate to drive the two moving blocks 313 to move relatively and oppositely on the two transmission screw rods 312, the two moving blocks 313 move to drive the two cutting-off knives 315 to move, the two cutting-off knives 315 are moved to appointed positions, the plaster is cut, the distance between the two cutting-off knives 315 can be changed through the work of the two rotating motors 314, and the plaster with different sizes and different specifications can be cut off.

Specifically, the longitudinal cutting member 32 comprises a supporting seat 321, a driving motor 322, a cutting knife 323, a first rotating wheel 324 and a second rotating wheel 325, the supporting seat 321 is erected at the top of the conveying frame 1, a storage groove is formed in the supporting seat 321, the first rotating wheel 324 is arranged in one end of the storage groove and is rotatably connected with the side wall of the storage groove, the second rotating wheel 325 is arranged in the other end of the storage groove and is rotatably connected with the side wall of the storage groove, the driving motor 322 is arranged on the supporting seat 321, an output shaft of the driving motor 322 is fixedly connected with the first rotating wheel 324, a belt 326 in transmission connection with the second rotating wheel 325 is arranged on the first rotating wheel 324, an installation block 327 is arranged at one end of the belt 326, and the cutting knife 323 is vertically arranged at the bottom of the installation block 327; after the two sides of the plaster are cut off, the driving motor 322 works to drive the first rotating wheel 324 to rotate, the first rotating wheel 324 drives the second rotating wheel 325 to rotate through the belt 326, the belt 326 rotates to drive the mounting block 327 to move, and the mounting block 327 moves to drive the cutting knife to move to cut the plaster longitudinally.

Specifically, the fixing assembly 6 comprises a mounting support plate 61, a driving cylinder 62 and a fixing plate 63, wherein the mounting support plate 61 is arranged on one side wall of the support seat 321, the driving cylinder 62 is arranged at the top of the mounting support plate 61, the output end of the driving cylinder 62 is vertically arranged downwards, and the fixing plate 63 is horizontally arranged on the output end of the driving cylinder 62; when the plaster is longitudinally cut, the output end of the driving cylinder 62 moves to drive the fixing plate 63 to move downwards, and the fixing plate 63 moves downwards to fix the plaster, so that the plaster is prevented from being deviated in position in the cutting process and affecting the cutting accuracy.

Specifically, the moving assembly 4 includes a moving roller 41, a moving motor 42 and two fixed seats 43, the two fixed seats 43 are symmetrically arranged at the top of the conveying frame 1, two ends of the moving roller 41 are rotatably connected with the two fixed seats 43 respectively, the moving motor 42 is arranged on one of the fixed seats 43, an output shaft of the moving motor 42 is fixedly connected with one end of the moving roller 41, and the moving roller 41 is provided with a plurality of circular convex blocks 44 which are circumferentially distributed; when the two sides of the plaster are cut, the moving motor 42 works to drive the moving roller 41 to rotate on the two fixed seats 43, the moving roller 41 rotates to move the position of the plaster forward, the plaster is conveyed to the position below the cutting members 31 at the two sides, and the plurality of round bumps 44 are arranged to improve the friction force between the moving roller 41 and the plaster, so that the plaster can move forward.

Specifically, the flattening assembly 5 includes a flattening roller 51, a flattening motor 52, two positioning seats 53 and two moving cylinders 54, the two positioning seats 53 are symmetrically disposed at the top of the conveying frame 1, the two moving cylinders 54 are respectively disposed at the top of the two positioning seats 53, the output ends of the moving cylinders 54 are vertically disposed downward, each positioning seat 53 is provided with a moving groove 531, each moving groove 531 is provided with a sliding block 55 in sliding fit therewith, the top of each sliding block 55 is connected with the output end of the corresponding moving cylinder 54, the bottom of each sliding block 55 is provided with two symmetrical and vertically disposed connecting springs 56, two ends of the flattening roller 51 are respectively rotatably connected with two sliding blocks 55, the flattening motor 52 is arranged on the side wall of one of the sliding blocks 55, and an output shaft of the flattening motor 52 is fixedly connected with one end of the flattening roller 51; after the plaster is cut, the conveyer belt 22 conveys the plaster to the position below the flattening roller 51, the output ends of the two moving cylinders 54 move downwards to drive the sliding blocks 55 to move in the two moving grooves 531, the two sliding blocks 55 move to drive the flattening roller 51 to move downwards, the flattening roller 51 moves downwards to flatten the plaster, uneven and raised places generated when the plaster is cut are flattened, and subsequent packaging of the plaster is facilitated after flattening.

The utility model discloses a theory of operation: when the utility model is used, the plaster is placed on the conveyer belt 22, the conveyer mechanism 21 drives one of the conveyer rollers 23 to rotate, one of the conveyer rollers 23 drives the other conveyer roller 23 to rotate on the conveyer frame 1 through the conveyer belt 22, the conveyer belt 22 rotates to convey the plaster forward to cut the plaster, the movable motor 42 drives the movable roller 41 to rotate on the two fixing seats 43, the movable roller 41 rotates to move the position of the plaster forward, the plaster is conveyed to the lower part of the cutting pieces 31 at the two sides, the two rotary motors 314 drive the two transmission screw rods 312 to rotate on the two mounting seats 311, the two transmission screw rods 312 rotate to drive the two moving blocks 313 to move relatively and oppositely on the two transmission screw rods 312, the two moving blocks 313 move to drive the two cutting knives 315 to move, and move the two cutting knives 315 to the appointed position, the plaster is cut, after the two sides of the plaster are cut off, the driving motor 322 works to drive the first rotating wheel 324 to rotate, the first rotating wheel 324 drives the second rotating wheel 325 to rotate through the belt 326, the belt 326 rotates to drive the mounting block 327 to move, the mounting block 327 moves to drive the cutting knife to move to cut the plaster longitudinally, during cutting, the output end of the driving cylinder 62 moves to drive the fixing plate 63 to move downwards, the fixing plate 63 moves downwards to fix the plaster, the conveying belt 22 conveys the plaster to the lower part of the flattening roller 51, the output ends of the two moving cylinders 54 move downwards to drive the sliding blocks 55 to move in the two moving grooves 531, the two 55 move to drive the flattening roller 51 to move downwards, and the flattening roller 51 moves downwards to flatten the plaster.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. A plaster cutting device is characterized in that: comprises a conveying frame (1), a conveying component (2), a cutting component (3), a moving component (4) and a flattening component (5), the conveying frame (1) is vertically arranged, the conveying assembly (2) is arranged on the conveying frame (1) and is rotationally connected with the conveying frame (1), the moving component (4) is arranged at the top of the conveying frame (1) and is in sliding fit with the conveying component (2), the cutting assembly (3) comprises a two-sided cutting member (31) and a longitudinal cutting member (32), the two-side cutting pieces (31) are arranged at the top of the conveying frame (1) and positioned at the side of the conveying assembly (2), the longitudinal cutting piece (32) is arranged at the top of the conveying frame (1), a fixing component (6) is arranged on the longitudinal cutting piece (32), the flattening component (5) is arranged at the output end of the conveying frame (1), and the flattening component (5) is in running fit with the conveying component (2).

2. The plaster cutting device according to claim 1, wherein: conveying assembly (2) include conveying mechanism (21), conveyer belt (22) and two conveying rollers (23), two conveying roller (23) symmetry sets up in the top both sides of carriage (1) and rotates with carriage (1) and be connected, conveyer belt (22) cover is established on two conveying rollers (23), conveying mechanism (21) set up on carriage (1) and with the one end transmission of one of them conveying roller (23) be connected.

3. The plaster cutting device according to claim 1, wherein: the two-side cutting piece (31) comprises two mounting seats (311) and two transmission screw rods (312), the automatic cutting device comprises two moving blocks (313) and two rotating motors (314), wherein the two mounting seats (311) are symmetrically arranged at the top of the conveying frame (1), the two transmission screw rods (312) are symmetrically arranged on the two mounting seats (311), two ends of the two transmission screw rods (312) are respectively rotatably connected with the two mounting seats (311), the two rotating motors (314) are symmetrically arranged on the side wall of one mounting seat (311), an output shaft of each rotating motor (314) is fixedly connected with one end of the transmission screw rod (312) correspondingly arranged, the two moving blocks (313) are symmetrically arranged on the two transmission screw rods (312) and are in threaded connection with the two transmission screw rods (312), and a cutting knife (315) vertically and downwards arranged is arranged at the bottom of each moving block (313).

4. The plaster cutting device according to claim 1, wherein: the longitudinal cutting piece (32) comprises a supporting seat (321), a driving motor (322), a cutting knife (323), a first rotating wheel (324) and a second rotating wheel (325), the supporting seat (321) is erected at the top of the conveying frame (1), a storage groove is arranged on the supporting seat (321), the first rotating wheel (324) is arranged in one end of the storage groove and is rotationally connected with the side wall of the storage groove, the second rotating wheel (325) is arranged in the other end of the storage groove and is rotationally connected with the side wall of the storage groove, the driving motor (322) is arranged on the supporting seat (321), an output shaft of the driving motor (322) is fixedly connected with the first rotating wheel (324), a belt (326) which is in transmission connection with the second rotating wheel (325) is arranged on the first rotating wheel (324), one end of the belt (326) is provided with an installation block (327), and the cutting knife (323) is vertically arranged at the bottom of the installation block (327).

5. The plaster cutting device according to claim 4, wherein: fixed subassembly (6) are including erection bracing board (61), drive actuating cylinder (62) and fixed plate (63), erection bracing board (61) sets up on one side lateral wall of supporting seat (321), it sets up at the top of erection bracing board (61) and drives the vertical downward setting of output of actuating cylinder (62) to drive actuating cylinder (62), fixed plate (63) level sets up on the output of driving actuating cylinder (62).

6. The plaster cutting device according to claim 1, wherein: remove subassembly (4) including removing roller (41), mobile motor (42) and two fixing base (43), two fixing base (43) symmetry sets up the top in carriage (1), the both ends of removing roller (41) rotate with two fixing base (43) respectively and are connected, mobile motor (42) set up on one of them fixing base (43) and the output shaft of mobile motor (42) and the one end fixed connection who removes roller (41), be equipped with a plurality of round convex blocks (44) that are the circumference and distribute on removing roller (41).

7. The plaster cutting device according to claim 1, wherein: the flattening component (5) comprises a flattening roller (51), a flattening motor (52), two positioning seats (53) and two moving cylinders (54), wherein the positioning seats (53) are symmetrically arranged at the top of the conveying frame (1), the moving cylinders (54) are respectively arranged at the tops of the two positioning seats (53) and the output ends of the moving cylinders (54) are vertically and downwards arranged, each positioning seat (53) is provided with a moving groove (531), each moving groove (531) is internally provided with a sliding block (55) in sliding fit with the sliding groove (531), the top of each sliding block (55) is connected with the output end of the corresponding moving cylinder (54), the bottom of each sliding block (55) is provided with two connecting springs (56) which are symmetrically and vertically arranged, and the two ends of the flattening roller (51) are respectively connected with the two sliding blocks (55) in a rotating manner, the flattening motor (52) is arranged on the side wall of one of the sliding blocks (55), and an output shaft of the flattening motor (52) is fixedly connected with one end of the flattening roller (51).