CN214349636U

CN214349636U - Automatic feeding device of lathe for machining iron box

Info

Publication number: CN214349636U
Application number: CN202120325419.XU
Authority: CN
Inventors: 陈阿华; 陈选生; 李林峰; 颜映霞; 张聪颖
Original assignee: Yixin Can Making Huizhou Co ltd
Current assignee: Yixin Can Making Huizhou Co ltd
Priority date: 2021-02-04
Filing date: 2021-02-04
Publication date: 2021-10-08
Anticipated expiration: 2031-02-04

Abstract

The utility model discloses an automatic feeding device of a lathe for processing an iron box, which relates to the technical field of iron box processing equipment, and comprises an iron box processing lathe, a fixed base, an iron sheet limiting component, an iron sheet lifting component, an iron sheet conveying component and an iron sheet cutting component, wherein the iron box processing lathe is arranged on the ground, the fixed base is arranged on the ground at one side of a feed inlet of the iron box processing lathe, the iron sheet limiting component is arranged at the other side of the fixed base, the iron sheet lifting component is fixedly arranged on the iron sheet limiting component, the iron sheet conveying component is provided with two, the two iron sheet conveying components are fixedly arranged on the fixed base, the iron sheet cutting component is fixedly arranged between the two iron sheet conveying components, and an iron sheet roll can be cut into proper length and flattened to be conveyed to the feed inlet of the iron box processing lathe through the matching of the components, is convenient and quick.

Description

Automatic feeding device of lathe for machining iron box

Technical Field

The utility model discloses iron box processing equipment technical field especially relates to an automatic feeding of lathe is used in iron box processing.

Background

The iron box is a special packing carton, it is good to have the leakproofness, durable, be difficult for advantages such as the in-process extrusion deformation that deposits in the transportation, generally be used for to the packing of tealeaves, material feeding unit need be used to the in-process of iron box processing production, the raw materials iron sheet of iron box is generally rolled up into the iron sheet and is rolled up, be convenient for transport and deposit, but deformation has taken place for the iron sheet of lapping, and very long, inconvenient processing, traditional material feeding unit generally only has the pay-off function, can't flatten and cut the operation to the iron sheet.

SUMMERY OF THE UTILITY MODEL

An embodiment of the utility model provides an automatic feeding of lathe is used in iron box processing to solve the iron sheet at the in-process lapping of iron box processing production and had taken place deformation, very long moreover, inconvenient processing, traditional material feeding unit generally only has the pay-off function, can't accomplish to flatten and cut the operation to the iron sheet.

The embodiment of the utility model provides an adopt following technical scheme: the utility model provides an automatic feeding of lathe for iron box processing, its characterized in that, includes iron box processing lathe, unable adjustment base, the spacing subassembly of iron sheet, iron sheet lifting unit, iron sheet conveying subassembly and iron sheet cutting assembly, iron box processing lathe is fixed to be set up subaerial, unable adjustment base is fixed to be set up in one side of iron box processing lathe feed inlet, the fixed one side that sets up at unable adjustment base of the spacing subassembly of iron sheet, the fixed setting of iron sheet lifting unit is on the spacing subassembly of iron sheet, iron sheet conveying subassembly is equipped with two, two the equal fixed setting of iron sheet conveying subassembly is on unable adjustment base, iron sheet cutting assembly is fixed to be set up between two iron sheet conveying subassemblies.

Further, the spacing subassembly of iron sheet includes spacing base, limiting plate, gag lever post, spacing slider, spacing lead screw and spacing motor, the gag lever post is fixed to be set up on one side of unable adjustment base, spacing base is fixed to be set up on the intermediate position of gag lever post, limiting plate, spacing lead screw, spacing motor all are equipped with two, two spacing motor is fixed respectively and is set up at the both ends of gag lever post, two the output of spacing motor all sets up towards spacing base, two spacing lead screw is fixed respectively on the output of a spacing motor, two spacing slider spiro union is respectively on a spacing lead screw, and two spacing slider all overlaps on the gag lever post, two the limiting plate is vertical fixing respectively on a spacing slider, two all be equipped with the spout on the limiting plate.

Further, iron sheet lifting unit includes elevator motor, lift lead screw, lifting slide and lift fixed axle, elevator motor, lift lead screw, lifting slide and lift fixed axle all are equipped with two, two elevator motor is fixed the upper end that sets up at a limiting plate respectively, two elevator motor's output all sets up down, and the one end of two lift lead screws is fixed respectively and is set up on an elevator motor's output, and the other end of two lift lead screws rotates the lower extreme that sets up at two limiting plates respectively, two the lower extreme of two limiting plates is rotated respectively to the lifting slide spiro union respectively on two lift lead screws, and two fixed axles are fixed respectively and are set up in one side of a lifting slide and pass the spout on two limiting plates.

Further, the iron sheet conveying assembly comprises a conveying fixing frame, four conveying motors, a first conveying gear, two second conveying gears, a conveying roller, a conveying belt, a conveying fixing shaft and supporting rods, wherein the four supporting rods are vertically and circumferentially fixed at the lower end of the conveying fixing frame, the two conveying motors are symmetrically and fixedly arranged at the same side in the conveying fixing frame, the output ends of the two conveying motors are arranged towards the other side in the conveying fixing frame, the number of the first conveying gears is two, the two first conveying gears are respectively and fixedly arranged at the output end of one conveying motor, the number of the second conveying gears, the number of the conveying roller belts and the number of the conveying fixing shaft are respectively two, and each group of the second conveying gears, the conveying roller belts and the number of the conveying fixing shafts are respectively two, every group the second conveying gear sets up respectively at the upper and lower both ends of a first conveying gear, every group the second conveying gear all with first conveying gear meshing, four the one end of conveying fixed axle is the rectangle and rotates the one side that sets up at the conveying mount, four the other end of conveying fixed axle respectively with a second conveying gear fixed connection, four conveying roller is fixed respectively and is set up on a conveying fixed axle, the conveyer belt is equipped with two, two the conveyer belt overlaps respectively and establishes on two conveying roller that are located same horizontal plane.

Further, the iron sheet cutting assembly comprises a cutting fixing frame, a cutting fixing rod, a cutting fixing plate, a cutting cylinder and a cutting knife, two cutting fixing frames are symmetrically and fixedly arranged on two sides of the fixed base, cutting grooves are formed in the two cutting fixing frames, the cutting fixing rod is fixedly arranged between the two cutting fixing frames, the cutting cylinders are provided with two groups, the two groups of cutting cylinders are symmetrically arranged at two sides below the cutting fixing rod, the working ends of the two groups of cutting cylinders are arranged downwards, the cutting knife is fixedly arranged on the working ends of the two cutting cylinders, the two ends of the cutting knife are arranged in the cutting grooves of the two cutting fixing frames, the two ends of the cutting fixing plate are fixedly arranged on the two cutting fixing frames, and the cutting fixing plate is fixedly arranged below the cutting knife.

The embodiment of the utility model provides an above-mentioned at least one technical scheme who adopts can reach following beneficial effect:

setting up through unable adjustment base is used for two iron sheet conveying assembly of fixed mounting and iron sheet cutting assembly, set up through the spacing subassembly of iron sheet with pressing from both sides tight iron sheet book, prevent to roll up at the in-process iron sheet of pulling iron sheet and rock, and can assist iron sheet lifting unit to roll up the iron sheet and fix in suitable position, setting through iron sheet lifting unit is used for driving the iron sheet book and carries out the lift operation, setting through iron sheet conveying assembly is used for flattening and conveying the operation to the iron sheet, be used for cutting into the iron sheet into the length that is fit for processing through iron sheet cutting assembly, can roll up the iron sheet with the cooperation of each subassembly and cut into suitable length and flatten the feed inlet that conveys the iron box processing lathe, and is convenient and fast.

Drawings

The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:

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

FIG. 2 is a schematic view of the three-dimensional structure of the iron sheet limiting assembly and the iron sheet lifting assembly of the present invention;

fig. 3 is a schematic perspective view of the iron sheet conveying assembly of the present invention;

fig. 4 is a schematic view of the three-dimensional structure of the iron sheet cutting assembly of the present invention.

The reference numbers in the figures are: iron box processing lathe 1, unable adjustment base 2, spacing subassembly 4 of iron sheet, spacing base 41, limiting plate 42, gag lever post 43, spacing slider 44, spacing lead screw 45, spacing motor 46, iron sheet lifting unit 5, elevator motor 51, elevator lead screw 52, elevator slider 53, lift fixed axle 54, iron sheet conveying assembly 6, conveying mount 61, conveying motor 62, first transmission gear 63, second transmission gear 64, transfer cylinder 65, conveyer belt 66, conveying fixed axle 67, bracing piece 68, iron sheet cutting assembly 7, cutting mount 71, cutting dead lever 72, cutting fixed plate 73, cutting cylinder 74, cutting knife 75.

Detailed Description

To make the purpose, technical solution and advantages of the present invention clearer, the following will combine the embodiments of the present invention and the corresponding drawings to clearly and completely describe the technical solution of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. 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.

The technical solution provided by various embodiments of the present invention will be described in detail below with reference to fig. 1-4, and an automatic feeding device for a lathe for iron box processing includes an iron box processing lathe 1, a fixed base 2, an iron sheet limiting component 4, an iron sheet lifting component 5, an iron sheet conveying component 6 and an iron sheet cutting component 7, wherein the iron box processing lathe 1 is fixedly disposed on the ground, the fixed base 2 is fixedly disposed at one side of a feed inlet of the iron box processing lathe 1, the iron sheet limiting component 4 is fixedly disposed at one side of the fixed base 2, the iron sheet lifting component 5 is fixedly disposed on the iron sheet limiting component 4, the iron sheet conveying components 6 are provided in two numbers, two iron sheet conveying components 6 are fixedly disposed on the fixed base 2, the iron sheet cutting component 7 is fixedly disposed between the two iron sheet conveying components 6, and the two iron sheet conveying components 6 and the iron sheet cutting component 7 are fixedly mounted through the arrangement of the fixed base 2, be used for restricting the removal of iron sheet through iron sheet spacing subassembly 4, be used for driving the iron sheet through setting up of iron sheet lifting unit 5 and go up and down the operation, be used for conveying the operation to the iron sheet through setting up of iron sheet conveying unit 6, be used for cutting into the iron sheet into the length that is fit for processing through iron sheet cutting assembly 7, can roll up the iron sheet through the cooperation of each subassembly and cut into suitable length and flatten the feed inlet that conveys iron box processing lathe 1, convenient and fast.

Specifically, the iron sheet limiting component 4 includes a limiting base 41, a limiting plate 42, a limiting rod 43, two limiting sliders 44, two limiting screws 45 and two limiting motors 46, the limiting rod 43 is fixedly disposed on one side of the fixing base 2, the limiting base 41 is fixedly disposed at the middle position of the limiting rod 43, the two limiting plates 42, the two limiting screws 45 and the two limiting motors 46 are respectively and fixedly disposed at the two ends of the limiting rod 43, the output ends of the two limiting motors 46 are both disposed toward the limiting base, the two limiting screws 45 are respectively and fixedly disposed at the output end of one limiting motor 46, the two limiting sliders 44 are respectively screwed on one limiting screw 45, the two limiting sliders 44 are respectively sleeved on the limiting rod 43, the two limiting plates 42 are respectively and vertically fixed on one limiting slider 44, two all be equipped with the spout on the limiting plate 42, set up through the spacing subassembly 4 of iron sheet with pressing from both sides tight iron sheet book, prevent to roll up at the in-process iron sheet of pulling iron sheet and rock to can assist iron sheet lifting unit 5 to roll up the iron sheet and fix in suitable position, when the spacing subassembly 4 during operation of iron sheet, two spacing motor 46 synchronous working drives spacing lead screw 45 on its output and rotates, spacing lead screw 45 drives the spacing slider 44 that the cover established above that and moves back and forth on gag lever post 43, spacing slider 44 drives the fixed limiting plate 42 that sets up above that and removes the operation.

Specifically, the iron sheet lifting assembly 5 comprises two lifting motors 51, two lifting screw rods 52, two lifting sliders 53 and two lifting fixing shafts 54, the two lifting motors 51 are respectively and fixedly arranged at the upper end of one limiting plate 42, the output ends of the two lifting motors 51 are respectively and downwardly arranged, one ends of the two lifting screw rods 52 are respectively and fixedly arranged at the output end of one lifting motor 51, the other ends of the two lifting screw rods 52 are respectively and rotatably arranged at the lower ends of the two limiting plates 42, the two lifting sliders 53 are respectively and spirally connected onto the two lifting screw rods 52, the two lifting fixing shafts 54 are respectively and fixedly arranged at one side of one lifting slider 53 and penetrate through the sliding grooves on the two limiting plates 42, and the iron sheet roll is driven to be lifted through the arrangement of the iron sheet lifting assembly 5, when the iron sheet lifting assembly 5 works, the two lifting motors 51 work synchronously to drive the lifting screw rod 52 at the output end to rotate, the screw rod drives the lifting slide block 53 sleeved on the screw rod to move up and down, and the lifting slide block 53 drives the lifting fixed shaft 54 to move up and down.

Specifically, iron sheet conveying assembly 6 is including conveying mount 61, conveying motor 62, first conveying gear 63, second conveying gear 64, conveying roller 65, conveyer belt 66, conveying fixed axle 67 and bracing piece 68, bracing piece 68 is four, four bracing piece 68 is the vertical fixed lower extreme that sets up at conveying mount 61 of circumference, conveying motor 62 is equipped with two, two conveying motor 62 symmetry is fixed to be set up in the same one side of conveying mount 61 inside, two conveying motor 62's output all sets up towards the inside opposite side of conveying mount 61, first conveying gear 63 is equipped with two, two first conveying gear 64 is fixed respectively and is set up on the output of a conveying motor 62, second conveying gear 64, conveying roller 65 area and conveying fixed axle 67 all are equipped with two sets ofly, every group second conveying gear 64, The number of the conveying rollers 65 and the number of the conveying fixed shafts 67 are two, each group of the second conveying gears 64 are respectively arranged at the upper end and the lower end of a first conveying gear 63, each group of the second conveying gears 64 are meshed with the first conveying gear 63, one end of each of the four conveying fixed shafts 67 is arranged at one side of the conveying fixed frame 61 in a rectangular rotating mode, the other end of each of the four conveying fixed shafts 67 is fixedly connected with a second conveying gear 64, the four conveying rollers 65 are respectively fixedly arranged on one conveying fixed shaft 67, the number of the conveying belts 66 is two, the two conveying belts 66 are respectively sleeved on the two conveying rollers 65 which are located on the same horizontal plane, the iron sheet is flattened and conveyed through the arrangement of the iron sheet conveying assembly 6, when the iron sheet conveying assembly 6 works, the first conveying gears 63 on the output ends of the driving devices synchronously work by the two conveying motors 62, first transmission gear 63 drives and is opposite direction rotation rather than two second transmission gear 64 of meshing, second transmission gear 64 drives the synchronous rotation rather than the fixed conveying fixed axle 67 that sets up, conveying fixed axle 67 drives conveying roller 65 synchronous rotation, four conveying roller 65 is two liang opposite direction rotations, and two conveying rollers 65 that are located same horizontal plane drive conveyer belt 66 and rotate, and two conveyer belts 66 are opposite direction rotations this moment, two are opposite direction pivoted conveyer belt 66 and flatten and convey the operation to the iron sheet.

Specifically, the iron sheet cutting assembly 7 includes two cutting fixing frames 71, two cutting fixing rods 72, two cutting fixing plates 73, two cutting cylinders 74 and two cutting knives 75, the two cutting fixing frames 71 are symmetrically and fixedly disposed at two sides of the fixing base 2, the two cutting fixing frames 71 are respectively provided with a cutting groove, the cutting fixing rods 72 are fixedly disposed between the two cutting fixing frames 71, the two cutting cylinders 74 are provided with two groups, the two groups of cutting cylinders 74 are symmetrically disposed at two sides below the cutting fixing rods 72, working ends of the two groups of cutting cylinders 74 are disposed downward, the cutting knives 75 are fixedly disposed at the working ends of the two cutting cylinders 74, two ends of the cutting knives 75 are disposed in the cutting grooves of the two cutting fixing frames 71, two ends of the cutting fixing plates 73 are fixedly disposed on the two cutting fixing frames 71, and the fixed setting of cutting fixed plate 73 is in the below of cutting knife 75, is used for cutting into the length that is fit for processing the iron sheet through iron sheet cutting assembly 7, and when iron sheet cutting assembly 7 during operation, the synchronous work of two sets of cutting cylinders 74 drives the cutting knife 75 on its work end and reciprocates.

The utility model discloses the theory of operation: when feeding needs to be carried out on the iron box processing lathe 1, firstly, a fixed base 2 is fixedly arranged on the ground at one side of a feeding hole of the iron box processing lathe 1, then two sets of iron sheet conveying assemblies 6 are fixedly arranged on the fixed base 2, then an iron sheet cutting assembly 7 is fixedly arranged between the two iron sheet conveying assemblies 6, then an iron sheet limiting assembly 4 is fixedly arranged on the ground at the other side of the fixed base 2, then an iron sheet lifting assembly 5 is fixedly arranged on the iron sheet limiting assembly 4, then an iron sheet roll is placed on a limiting base 41, then an iron sheet lifting fixing shaft 54 is adjusted to the position of the circle center of the cross section of the iron sheet roll, when the iron sheet lifting assembly 5 works, two lifting motors 51 synchronously work to drive a lifting screw rod 52 at the output end to rotate, the screw rod drives a lifting slide block 53 sleeved on the screw rod to move up and down, the lifting slide block 53 drives the lifting fixing shaft 54 to move up and down, then the limiting plate 42 is adjusted to clamp the iron sheet roll, when the iron sheet limiting component 4 works, two limiting motors 46 work synchronously to drive the limiting screw rod 45 on the output end to rotate, the limiting screw rod 45 drives the limiting slide block 44 sleeved on the limiting screw rod to move back and forth on the limiting rod 43, the limiting slide block 44 drives the limiting plate 42 fixedly arranged on the limiting screw rod to move, at the moment, the lifting fixing shaft 54 is fixed at the central position of the two ends of the iron sheet roll, then the iron sheet lifting component 5 works again to lift the iron sheet roll to a proper height, then the iron sheet roll is pulled to an iron sheet conveying component 6 inlet tightly attached to the iron sheet lifting component 5, then the iron sheet conveying component 6 works, the iron sheet is flattened and conveyed through the arrangement of the iron sheet conveying component 6, when the iron sheet conveying component 6 works, the two conveying motors 62 work synchronously to drive the first conveying gear 63 on the output end to rotate, the first transmission gear 63 drives two second transmission gears 64 which are engaged with the first transmission gears 64 to rotate in opposite directions, the second transmission gears 64 drive transmission fixing shafts 67 which are fixedly arranged with the second transmission gears 64 to rotate synchronously, the transmission fixing shafts 67 drive transmission rollers 65 to rotate synchronously, four transmission rollers 65 are two-by-two in opposite directions to rotate, two transmission rollers 65 which are positioned on the same horizontal plane drive transmission belts 66 to rotate, at the moment, the two transmission belts 66 rotate in opposite directions, the two transmission belts 66 which rotate in opposite directions flatten and transmit the iron sheet, flatten the iron sheet and transmit the iron sheet to an inlet of another iron sheet transmission component 6, at the moment, the iron sheet cutting component 7 which is arranged between the two iron sheet transmission components 6 works, when the iron sheet cutting component 7 works, the synchronous working cutters 75 on the working ends of the two groups of cutting cylinders 74 work to move up and down to cut the iron sheet, the iron sheet is cut into a length suitable for machining, the other iron sheet conveying assembly 6 works synchronously to flatten the cut iron sheet for the second time, and the cut iron sheet is conveyed to a feeding hole of the iron box machining lathe 1.

The above description is only an example of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. An automatic feeding device of a lathe for processing an iron box is characterized by comprising an iron box processing lathe (1), a fixed base (2), an iron sheet limiting component (4), an iron sheet lifting component (5), an iron sheet conveying component (6) and an iron sheet cutting component (7), the iron box processing lathe (1) is fixedly arranged on the ground, the fixed base (2) is fixedly arranged on one side of a feed inlet of the iron box processing lathe (1), the iron sheet limiting component (4) is fixedly arranged on one side of the fixed base (2), the iron sheet lifting component (5) is fixedly arranged on the iron sheet limiting component (4), two iron sheet conveying assemblies (6) are arranged, the two iron sheet conveying assemblies (6) are fixedly arranged on the fixed base (2), the iron sheet cutting assembly (7) is fixedly arranged between the two iron sheet conveying assemblies (6).

2. The automatic feeding device of the lathe for processing the iron box according to claim 1, wherein the iron sheet limiting component (4) comprises a limiting base (41), a limiting plate (42), a limiting rod (43), a limiting slide block (44), two limiting screw rods (45) and a limiting motor (46), the limiting rod (43) is fixedly arranged on one side of the fixed base (2), the limiting base (41) is fixedly arranged on the middle position of the limiting rod (43), the limiting plate (42), the two limiting screw rods (45) and the two limiting motors (46) are respectively and fixedly arranged at two ends of the limiting rod (43), the output ends of the two limiting motors (46) are respectively arranged towards the limiting base, the two limiting screw rods (45) are respectively and fixedly arranged at the output end of one limiting motor (46), two limiting slide blocks (44) are respectively screwed on a limiting screw rod (45), and two limiting slide blocks (44) are all sleeved on a limiting rod (43), two limiting plates (42) are respectively vertically fixed on one limiting slide block (44), and two limiting plates (42) are all provided with sliding grooves.

3. The automatic feeding device of the lathe for processing the iron box according to claim 2, wherein the iron sheet lifting assembly (5) comprises two lifting motors (51), two lifting screw rods (52), two lifting slide blocks (53) and two lifting fixed shafts (54), the two lifting motors (51), the two lifting screw rods (52), the two lifting slide blocks (53) and the two lifting fixed shafts (54) are respectively and fixedly arranged at the upper end of one limiting plate (42), the output ends of the two lifting motors (51) are respectively and downwardly arranged, one ends of the two lifting screw rods (52) are respectively and fixedly arranged at the output end of one lifting motor (51), the other ends of the two lifting screw rods (52) are respectively and rotatably arranged at the lower ends of the two limiting plates (42), the two lifting slide blocks (53) are respectively and spirally connected to the two lifting screw rods (52), the two lifting fixed shafts (54) are respectively fixedly arranged on one side of one lifting slide block (53) and penetrate through the sliding grooves on the two limiting plates (42).

4. The automatic feeding device of the lathe for processing the iron box is characterized in that each set of iron sheet conveying assemblies (6) comprises a conveying fixing frame (61), a conveying motor (62), a first conveying gear (63), a second conveying gear (64), a conveying roller (65), a conveying belt (66), a conveying fixing shaft (67) and supporting rods (68), four supporting rods (68) are arranged, the four supporting rods (68) are vertically and circumferentially and fixedly arranged at the lower end of the conveying fixing frame (61), two conveying motors (62) are arranged, the two conveying motors (62) are symmetrically and fixedly arranged at the same side in the conveying fixing frame (61), the output ends of the two conveying motors (62) are arranged towards the other side in the conveying fixing frame (61), and two first conveying gears (63) are arranged, the two first transmission gears (63) are respectively and fixedly arranged at the output end of a transmission motor (62), two groups of the second transmission gears (64), two groups of the transmission roller (65) belts and two groups of the transmission fixed shafts (67) are arranged in each group, the second transmission gears (64) in each group are respectively arranged at the upper end and the lower end of one first transmission gear (63), the second transmission gears (64) in each group are respectively meshed with the first transmission gears (63), one ends of the four transmission fixed shafts (67) are arranged on one side of the transmission fixed frame (61) in a rectangular rotating manner, the other ends of the four transmission fixed shafts (67) are respectively and fixedly connected with one second transmission gear (64), and the four transmission rollers (65) are respectively and fixedly arranged on one transmission fixed shaft (67), the number of the conveyor belts (66) is two, and the two conveyor belts (66) are respectively sleeved on the two conveying rollers (65) located on the same horizontal plane.

5. The automatic feeding device of the lathe for processing the iron box as claimed in claim 1, wherein the iron sheet cutting assembly (7) comprises two cutting fixing frames (71), two cutting fixing rods (72), two cutting fixing plates (73), two cutting cylinders (74) and two cutting knives (75), the two cutting fixing frames (71) are symmetrically and fixedly arranged at two sides of the fixed base (2), the two cutting fixing frames (71) are respectively provided with a cutting groove, the cutting fixing rods (72) are fixedly arranged between the two cutting fixing frames (71), the two cutting cylinders (74) are provided with two groups, the two groups of cutting cylinders (74) are symmetrically arranged at two sides below the cutting fixing rods (72), the working ends of the two groups of cutting cylinders (74) are arranged downwards, the cutting knives (75) are fixedly arranged at the working ends of the two cutting cylinders (74), the two ends of the cutting knife (75) are arranged in cutting grooves of the two cutting fixing frames (71), the two ends of the cutting fixing plate (73) are fixedly arranged on the two cutting fixing frames (71), and the cutting fixing plate (73) is fixedly arranged below the cutting knife (75).