CN113102829A

CN113102829A - Automatic longitudinal shearing and cutting processing equipment and processing method for silicon steel sheet

Info

Publication number: CN113102829A
Application number: CN202110417952.3A
Authority: CN
Inventors: 韩丹丹
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-19
Filing date: 2021-04-19
Publication date: 2021-07-13

Abstract

The invention relates to automatic longitudinal shearing and cutting processing equipment and a processing method for silicon steel sheets, which comprise a fixed frame, a winding drum, a longitudinal shearing device and a cutting device, wherein the lower end of the fixed frame is connected with the existing ground, the fixed frame is symmetrically distributed in front and back, the winding drum is rotatably connected between the front fixed frame and the back fixed frame, and the longitudinal shearing device and the cutting device are sequentially arranged on the right side of the winding drum from left to right.

Description

Automatic longitudinal shearing and cutting processing equipment and processing method for silicon steel sheet

Technical Field

The invention relates to the technical field of silicon steel, in particular to automatic longitudinal shearing and cutting processing equipment and a processing method for silicon steel sheets.

Background

The silicon steel is silicon alloy steel containing 1.0-4.5% of silicon and less than 0.08% of carbon, has the characteristics of high magnetic permeability, low coercive force, large resistance coefficient and the like, meets the requirements of punching and shearing processing when manufacturing electric appliances, also requires certain plasticity, and requires that the content of harmful impurities is lower as much as possible, the plate shape is flat and the surface quality is good in order to improve the magnetic induction performance and reduce the hysteresis loss; the silicon steel sheet is a ferrosilicon soft magnetic alloy with extremely low carbon content, the silicon content is generally 0.5-4.5%, the addition of silicon can improve the resistivity and the maximum permeability of iron, reduce the coercive force, the iron core loss (iron loss) and the magnetic aging, the silicon steel sheet is mainly used for manufacturing iron cores of various transformers, motors and generators, and the world silicon steel sheet yield accounts for about 1% of the total amount of steel, but the following problems often exist in the production and processing process of the general silicon steel sheet:

1. the silicon steel coil is large in width, so that the silicon steel coil is not easy to cut off by a cutting knife once in the process of cutting the silicon steel coil into pieces by equipment, and the processing efficiency is low;

2. the existing equipment is used for cutting silicon steel at a fixed length, the silicon steel is easy to deform, and cut cuts are uneven, so that the quality of the finished silicon steel product is influenced.

Disclosure of Invention

In order to solve the problems, the invention provides automatic longitudinal shearing and cutting processing equipment for silicon steel sheets, which comprises a fixed frame, a winding drum, a longitudinal shearing device and a cutting device, wherein the lower end of the fixed frame is connected with the existing ground, the fixed frames are symmetrically distributed in the front and back direction, the winding drum is rotatably connected between the front fixed frame and the rear fixed frame which are opposite, and the longitudinal shearing device and the cutting device are sequentially arranged on the right side of the winding drum from left to right.

The longitudinal shearing device comprises a fixed transverse plate, a partition plate, a conveying roller, a tool type frame, a mounting groove, a cutting knife, a rotating rod, a fixing seat, a first motor and a rotating shaft, wherein the right end of the fixing frame is provided with the fixed transverse plate, the partition plate is arranged between the front fixed transverse plate and the rear fixed transverse plate which are opposite, the conveying roller is rotationally connected between the fixed transverse plate and the partition plate at equal intervals from left to right, the conveying roller is in an up-and-down symmetrical arrangement structure, the tool type frame is symmetrically arranged at the lower end of the partition plate in a left-and-right symmetrical mode, the upper ends of the front end and the rear end of the tool type frame are connected with the fixed transverse plate, the front end of the partition plate is provided with the rectangular mounting groove, the circular cutting knife is arranged in the mounting groove, the rotating rods, a motor is installed to the upper end of fixing base, the pivot is installed to the front end of a motor, be belt drive between the dwang of pivot and cutting knife front end, it is high-speed rotatory to drive the pivot through a motor, the pivot drives the dwang and is synchronous high-speed rotary motion dwang drive cutting knife and is synchronous high-speed rotary motion, thereby can realize that the cutting knife vertically cuts out the function to the silicon steel book, make the silicon steel book of broad divide into two and form narrower silicon steel book, so as to improve follow-up speed that carries out further processing to silicon steel, then the baffle mutually supports with the conveying roller, can make the silicon steel book that divides into two continue to move forward.

The cutting device comprises a bottom plate, a groove, a spring, a cross rod, a mounting plate, a cutting knife, a first air cylinder and an L-shaped plate, wherein the front end and the rear end of the partition plate are symmetrically provided with the bottom plate, one end of the bottom plate, which is far away from the partition plate, is connected with a fixed transverse plate, the bottom plate is positioned on the right side of a conveying roller, the upper end of the partition plate is provided with the groove, the groove is internally provided with the first spring, the upper end of the first spring is lapped with the cross rod, the lower end of the cross rod is symmetrically provided with the mounting plate, the lower end of the mounting plate is provided with the cutting knife, the upper end of the mounting plate is provided with the first air cylinder, the extending end of the first air cylinder is in sliding fit with the cross rod, the upper end of the first air cylinder is provided with the L-shaped plate, the, and through setting up the recess, can avoid the baffle to block the motion of horizontal pole.

According to a preferred technical scheme, an L-shaped mounting seat is arranged on the right side of the cross rod, the lower end of the mounting seat is connected with the upper end of the partition plate, a second cylinder is mounted on the mounting seat, the lower end of the second cylinder penetrates through the mounting plate and is connected with a movable plate, baffles are symmetrically mounted on the lower end of the movable plate in the left-right direction, the movable plate is driven to descend by the second cylinder, the movable plate drives the baffles to descend, advancing steel coils can be blocked to stop moving, and then the silicon steel coils are cut in a fixed length mode under the action of a cutting knife.

As a preferred technical scheme of the invention, the rectangular plate is arranged between the movable plate and the cross rod, and the rectangular plate can be used for extruding and shaping the silicon steel while blocking and cutting the silicon steel.

As a preferable technical scheme of the invention, Contraband type plates with downward openings are symmetrically arranged at the left and right sides of the lower end of the cross rod, the mounting plate and the cutting knife are both positioned in a Contraband type groove of the Contraband type plate, and when the silicon steel coil is cut by the cutting knife, the Contraband type plate can extrude and fix the silicon steel so as to prevent the silicon steel from shaking to cause uneven cuts in the cutting process.

According to the preferred technical scheme, the supporting vertical plate is mounted at the right end of the fixed transverse plate, the stacking boxes are mounted at the right end of the supporting vertical plate and connected, rectangular through grooves are symmetrically formed in the front end and the rear end of each stacking box, silicon steel sheets cut into sheets can be conveniently collected by arranging the stacking boxes, and silicon steel sheets stacked to a certain height in the stacking boxes can be conveniently and quickly carried out by workers by arranging the rectangular through grooves.

As a preferred technical scheme of the invention, one end of the conveying roller close to the partition plate penetrates through the partition plate and is connected with the partition plate, the front end of the conveying roller at the front end of the partition plate penetrates through the fixed transverse plate and is provided with the driven gear, the driven gears which are opposite up and down are mutually meshed, the front end of the unwinding cylinder penetrates through the fixed frame and is provided with the complete gear, the lower end of the complete gear is meshed with the incomplete gear, the front end of the incomplete gear is provided with a second motor, the lower end of the second motor is provided with an L-shaped motor seat, the rear end of the motor seat is connected with the front end of the fixed frame, a belt is sleeved between the front end of the unwinding cylinder and the front end of the conveying roller at the upper end of the fixed transverse plate, the incomplete gear is driven by the motor to rotate, the complete gear is driven by the incomplete gear to do intermittent rotary motion, so that the unwinding cylinder does intermittent, thereby realizing the function of intermittently transporting the silicon steel coil, so that the cutting knife and the cutting knife have enough time to cut.

As a preferred technical scheme of the invention, an arc-shaped baffle is arranged on the left side of the unreeling cylinder, the front end and the rear end of the arc-shaped baffle are connected with the fixing frame, a second spring is arranged at the inner side end of the arc-shaped baffle and is distributed at equal distance along the circumferential direction and the axial direction of the arc-shaped baffle, a cylindrical extrusion block is arranged at one end, close to the unreeling cylinder, of the second spring, and the silicon steel coil can be prevented from falling off in the releasing process through mutual matching among the arc-shaped baffle, the second spring and the extrusion block, and a certain acting force can be applied to the silicon steel coil in the process of cutting the silicon steel coil by a cutter, so that the cutting process is smoothly carried out.

In addition, the invention provides a processing method of automatic longitudinal shearing and cutting processing equipment for silicon steel sheets, which comprises the following steps:

the first step is as follows: placing a silicon steel coil: firstly, the silicon steel coil is installed on a reel placing drum in a manual mode, and the reel placing drum and a conveying roller are driven to do intermittent rotary motion by a second motor;

the second step is that: longitudinal cutting: the rotating shaft is driven by the motor to rotate at a high speed, the rotating shaft drives the rotating rod to do synchronous high-speed rotating motion, and the rotating rod drives the cutting knife to do synchronous high-speed rotating motion, so that the cutting knife can longitudinally cut the silicon steel coil;

the third step: and (3) fixed-length shearing: firstly, stopping the moving steel coil through the matching among the second cylinder, the movable plate and the baffle plate, and then shearing the silicon steel coil into sheet silicon steel sheets through the mutual matching among the first cylinder, the mounting plate, the cutting knife and the Contraband shaping plate;

the fourth step: stacking and collecting: after the silicon steel sheet is cut, the silicon steel sheet is conveyed into the stacking box for stacking, and then the silicon steel sheet is conveyed away and stored in a centralized manner when a certain number of silicon steel sheets are accumulated.

The invention has the beneficial effects that:

the rotating rod drives the cutting knife to do synchronous high-speed rotating motion through the synchronous high-speed rotating motion of the motor, the rotating shaft and the rotating rod, so that the function of longitudinally cutting the silicon steel coil by the cutting knife can be realized, the wider silicon steel coil is divided into two parts to form a narrower silicon steel coil, and the speed of further processing the silicon steel in the follow-up process is increased;

secondly, the advanced steel coil can be blocked and stopped by the mutual matching of the second air cylinder, the movable plate and the baffle plate, and then the silicon steel coil can be cut at fixed length under the action of the cutting knife;

when the silicon steel coil is cut by the cutting knife, the Contraband-shaped plates can extrude and fix the silicon steel so as to prevent the silicon steel from shaking to cause uneven cuts in the cutting process;

the silicon steel sheets cut into sheets can be conveniently collected by arranging the stacking box, and the silicon steel sheets stacked to a certain height in the stacking box can be conveniently and quickly carried out by workers by arranging the rectangular through grooves.

Drawings

The invention is further illustrated with reference to the following figures and examples.

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

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

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2 in accordance with the present invention;

FIG. 4 is a perspective view of a portion of the present invention;

FIG. 5 is a side cross-sectional view of a portion of the structure of the present invention;

fig. 6 is an enlarged view of a portion of the invention at X of fig. 4.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below by combining the specific drawings. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

As shown in fig. 1 to 6, an automatic longitudinal shearing and cutting processing equipment for silicon steel sheets comprises a fixing frame 1, a reel placing body 2, a longitudinal shearing device 3 and a cutting device 4, wherein the lower end of the fixing frame 1 is connected with the existing ground, the fixing frame 1 is symmetrically distributed around the fixing frame, the reel placing body 2 is rotatably connected between the front fixing frame and the rear fixing frame which are opposite, and the longitudinal shearing device 3 and the cutting device 4 are sequentially arranged on the right side of the reel placing 2 from left to right.

Unreel a 2 left side be provided with cowl 21, cowl 21 all links to each other with mount 1 at both ends around, No. two springs 22 are installed to cowl 21's medial extremity, No. two springs 22 are arranged along cowl 21's the impartial distance in circumference and the axial, and No. two springs 22 are close to the one end of putting reel 2 and install cylindric extrusion piece 23, through cowl 21, mutually support between No. two springs 22 and the extrusion piece 23, can avoid the silicon steel coil to drop at the in-process of release, and can also give the silicon steel at the in-process that cutting knife 34 cut the silicon steel coil and roll up certain effort, make the cutting process go on smoothly.

The longitudinal shearing device 3 comprises a fixed transverse plate 30, a partition plate 31, a conveying roller 32, a tool frame 33, a cutting knife 34, a rotating rod 35, a fixed seat 36, a first motor 37 and a rotating shaft 38, wherein the right end of the fixed frame 1 is provided with the fixed transverse plate 30, the partition plate 31 is arranged between the front fixed transverse plate 30 and the rear fixed transverse plate 30 which are opposite, the conveying roller 32 is rotationally connected between the fixed transverse plate 30 and the partition plate 31 from left to right at equal intervals, the conveying roller 32 is of a vertically symmetrical arrangement structure, the tool frame 33 is symmetrically arranged at the lower end of the partition plate 31 from left to right, the upper ends of the front end and the rear end of the tool frame 33 are connected with the fixed transverse plate 30, the front end of the partition plate 31 is provided with a rectangular mounting groove, the circular cutting knife 34 is arranged in the mounting groove, the rotating rod 35 is symmetrically arranged at the front end and the rear end of the cutting knife, fixing base 36 is installed to the upper end of baffle 31, a motor 37 is installed to the upper end of fixing base 36, pivot 38 is installed to a motor 37's front end, be the belt drive between the dwang 35 of pivot 38 and the 34 front end of cutting knife, it is high-speed rotatory to drive pivot 38 through a motor 37, pivot 38 drives dwang 35 and is synchronous high-speed rotary motion dwang 35 and drive cutting knife 34 and be synchronous high-speed rotary motion, thereby can realize cutting knife 34 and vertically cut out the function of cutting to the silicon steel book, make the silicon steel book of broad divide into two and form narrower silicon steel book, so that improve the follow-up speed of carrying out further processing to the silicon steel, then baffle 31 and conveying roller 32 mutually support, can make the silicon steel book of dividing into two continue the forward motion.

Fixed diaphragm 30's right-hand member install and support riser 301, pile up neatly case 302 is installed to the right-hand member that supports riser 301, and two pile up neatly cases 302 link to each other, and pile up neatly case 302 has seted up the logical groove 303 of rectangle in both ends symmetry around, through setting up pile up neatly case 302, can be convenient for collect the silicon steel sheet that cuts into the slice, through setting up the logical groove 303 of rectangle, the workman of can being convenient for will pile up the silicon steel sheet of take the altitude in pile up neatly case 302 and carry out fast.

One end of the conveying roller 32 close to the partition plate 31 penetrates through the partition plate 31 and is connected with the partition plate 31, the front end of the conveying roller 32 at the front end of the partition plate 31 penetrates through the fixed transverse plate 30 and is provided with the driven gear 321, the driven gears 321 which are opposite up and down are mutually meshed, the front end of the unreeling cylinder 2 penetrates through the fixed frame 1 and is provided with the complete gear 322, the lower end of the complete gear 322 is meshed with the incomplete gear 323, the front end of the incomplete gear 323 is provided with the second motor 324, the lower end of the second motor 324 is provided with the motor base 325 with an L-shaped structure, the rear end of the motor base 325 is connected with the front end of the fixed frame, a belt 326 is sleeved between the front end of the unreeling cylinder 2 and the front end of the conveying roller 32 at the upper end of the fixed transverse plate 30, the incomplete gear 323 is driven by the motor to rotate, the incomplete gear 323 drives the complete gear, the conveying roller 32 follows the reel 2 to perform synchronous intermittent rotary motion, thereby realizing the function of intermittently conveying the silicon steel coil, so that the cutting knife 34 and the cutting knife 45 have enough time to cut.

The cutting device 4 comprises a bottom plate 40, a groove 41, a first spring 42, a cross rod 43, a mounting plate 44, a cutting knife 45, a first air cylinder 46 and an L-shaped plate 47, the bottom plate 40 is symmetrically mounted at the front end and the rear end of the partition plate 31, one end of the bottom plate 40, which is far away from the partition plate 31, is connected with the fixed transverse plate 30, the bottom plate 40 is positioned at the right side of the conveying roller 32, the groove 41 is formed in the upper end of the partition plate 31, the first spring 42 is mounted in the groove 41, the cross rod 43 is lapped at the upper end of the first spring 42, the mounting plate 44 is symmetrically arranged at the left end and the right end of the cross rod 43, the cutting knife 45 is mounted at the lower end of the mounting plate 44, the first air cylinder 46 is mounted at the upper end of the first air cylinder 46, the L-shaped plate 47 is mounted at the upper end of the first air cylinder, the mounting plate 44 drives the cutting blade 45 to move downward synchronously, so that the cutting blade 45 can cut the silicon steel roll into sheet-shaped silicon steel sheets, and the partition plate 31 can be prevented from blocking the movement of the cross rod 43 by arranging the groove 41.

The right side of horizontal pole 43 be provided with the mount pad 431 of L type structure, the lower extreme of mount pad 431 links to each other with the upper end of baffle 31, and install No. two cylinders 432 on the mount pad 431, the lower extreme of No. two cylinders 432 passes mounting panel 44 and is connected with fly leaf 433, baffle 434 is installed to the lower extreme bilateral symmetry of fly leaf 433, it descends to drive fly leaf 433 through No. two cylinders 432, fly leaf 433 drives baffle 434 and descends, can block the steel book that advances, make its stop motion, then under the effect of cutting sword 45, carry out the fixed length to the silicon steel book and cut.

Contraband shaped plates 436 with downward openings are symmetrically arranged at the left and right of the lower end of the cross rod 43, the mounting plate 44 and the cutting knife 45 are both positioned in a Contraband type groove of the Contraband shaped plates 436, and when the silicon steel coil is cut by the cutting knife 45, the Contraband shaped plates 436 can extrude and fix the silicon steel so as to prevent the silicon steel from shaking to cause uneven cuts in the cutting process.

A rectangular plate 435 is installed between the movable plate 433 and the cross rod 43, and through the rectangular plate 435, when silicon steel is blocked and cut, the silicon steel can be extruded to be shaped.

the first step is as follows: placing a silicon steel coil: firstly, the silicon steel coil is installed on the unwinding reel 2 manually, and the unwinding reel 2 and the conveying roller 32 are driven to do intermittent rotary motion by a second motor 324;

the second step is that: longitudinal cutting: the first motor 37 drives the rotating shaft 38 to rotate at a high speed, the rotating shaft 38 drives the rotating rod 35 to synchronously rotate at a high speed, and the rotating rod 35 drives the cutting knife 34 to synchronously rotate at a high speed, so that the cutting knife 34 longitudinally cuts the silicon steel coil;

the third step: and (3) fixed-length shearing: firstly, the advancing steel coil stops moving through the matching among the second cylinder 432, the movable plate 433 and the baffle 434, and then the silicon steel coil is cut into sheet-shaped silicon steel sheets by the cutting knife 45 through the mutual matching among the first cylinder 46, the mounting plate 44, the cutting knife 45 and the Contraband type plate 436;

the fourth step: stacking and collecting: after the silicon steel sheets are cut, the silicon steel sheets are conveyed into the stacking box 302 for stacking, and then the silicon steel sheets are conveyed away and stored in a centralized manner when a certain number of the silicon steel sheets are accumulated.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an automatic indulge of silicon steel sheet is cut and is cut processing equipment, includes mount (1), unreels a section of thick bamboo (2), indulges and cuts device (3) and cutting device (4), its characterized in that: the lower end of the fixing frame (1) is connected with the existing ground, the fixing frames (1) are symmetrically distributed in the front and back direction, a reel unwinding cylinder (2) is rotatably connected between the front fixing frame and the back fixing frame (1) which are opposite, and a longitudinal shearing device (3) and a cutting device (4) are sequentially arranged on the right side of the reel unwinding cylinder (2) from left to right;

the longitudinal shearing device (3) comprises fixed transverse plates (30), partition plates (31), conveying rollers (32), I-shaped frames (33), cutting knives (34), a rotating rod (35), a fixed seat (36), a first motor (37) and a rotating shaft (38), wherein the fixed transverse plates (30) are installed at the right end of the fixed frame (1), the partition plates (31) are arranged between the front fixed transverse plates (30) and the rear fixed transverse plates (30) which are opposite, the conveying rollers (32) are rotationally connected between the fixed transverse plates (30) and the partition plates (31) at equal intervals from left to right, the conveying rollers (32) are in a vertically symmetrical arrangement structure, the I-shaped frames (33) are symmetrically installed at the lower ends of the partition plates (31) in a left-right mode, the upper ends of the front end and the rear end of the I-shaped frames (33) are connected with the fixed transverse plates (30), the rectangular, the front end and the rear end of the cutting knife (34) are symmetrically provided with rotating rods (35), one end, far away from the cutting knife (34), of each rotating rod (35) is in running fit with the partition plate (31), the front end of the rotating rod (35) at the front end of the cutting knife (34) penetrates through the partition plate (31), the upper end of the partition plate (31) is provided with a fixing seat (36), the upper end of the fixing seat (36) is provided with a first motor (37), the front end of the first motor (37) is provided with a rotating shaft (38), and belt transmission is formed between the rotating shaft (38) and the rotating rod (35) at the front end of;

the cutting device (4) comprises a bottom plate (40), a groove (41), a spring (42), a cross rod (43), a mounting plate (44), a cutting knife (45), a first air cylinder (46) and an L-shaped plate (47), wherein the front end and the rear end of a partition plate (31) are symmetrically provided with the bottom plate (40), one end of the bottom plate (40) far away from the partition plate (31) is connected with a fixed transverse plate (30), the bottom plate (40) is positioned at the right side of a conveying roller (32), the upper end of the partition plate (31) is provided with the groove (41), the first spring (42) is arranged in the groove (41), the upper end of the first spring (42) is lapped with the cross rod (43), the mounting plate (44) is arranged at the left-right symmetry lower end of the cross rod (43), the cutting knife (45) is arranged at the lower end of the mounting plate (44), the first air cylinder (46) is arranged at the upper end of the, an L-shaped plate (47) is installed at the upper end of the first air cylinder (46), and the lower end of the L-shaped plate (47) is connected with the cross rod (43).

2. The automatic slitting and cutting equipment for silicon steel sheets as claimed in claim 1, wherein: the right side of horizontal pole (43) be provided with mount pad (431) of L type structure, the lower extreme of mount pad (431) links to each other with the upper end of baffle (31), and install No. two cylinder (432) on mount pad (431), the lower extreme of No. two cylinder (432) passes mounting panel (44) and is connected with fly leaf (433), baffle (434) are installed to the lower extreme bilateral symmetry of fly leaf (433).

3. The automatic slitting and cutting equipment for silicon steel sheets as claimed in claim 1, wherein: a rectangular plate (435) is arranged between the movable plate (433) and the cross rod (43).

4. The automatic slitting and cutting equipment for silicon steel sheets as claimed in claim 1, wherein: contraband type plates (436) with downward openings are symmetrically arranged at the left and right sides of the lower end of the cross bar (43), and the mounting plate (44) and the cutting knife (45) are both positioned in a Contraband type groove of the Contraband type plates (436).

5. The automatic slitting and cutting equipment for silicon steel sheets as claimed in claim 1, wherein: the right end of fixed diaphragm (30) install support riser (301), pile up neatly case (302) is installed to the right end of support riser (301), two pile up neatly cases (302) link to each other, and the front and back both ends symmetry of pile up neatly case (302) has seted up rectangular through groove (303).

6. The automatic slitting and cutting equipment for silicon steel sheets as claimed in claim 1, wherein: conveying roller (32) be close to one end of baffle (31) and pass baffle (31) and link to each other, and the front end of conveying roller (32) of baffle (31) front end passes fixed diaphragm (30) and installs driven gear (321), intermeshing between the just relative driven gear (321) from top to bottom, and the front end of unreeling a section of thick bamboo (2) passes mount (1) and installs complete gear (322), the lower extreme meshing of complete gear (322) has incomplete gear (323), No. two motor (324) are installed to the front end of incomplete gear (323), motor cabinet (325) of L type structure is installed to the lower extreme of No. two motor (324), the rear end of motor cabinet (325) links to each other with the front end of mount, and the cover is equipped with belt (326) between the front end of conveying roller (32) of unreeling a section of thick bamboo (2) and fixed diaphragm (30) upper end.

7. The automatic slitting and cutting equipment for silicon steel sheets as claimed in claim 1, wherein: unreel a left side of section of thick bamboo (2) be provided with cowl (21), both ends all link to each other with mount (1) around cowl (21), No. two spring (22) are installed to the medial extremity of cowl (21), No. two spring (22) are arranged along the equant distance in circumference and the axial of cowl (21), and No. two spring (22) are close to the one end of putting reel (2) and install cylindric extrusion piece (23).