CN111570925A

CN111570925A - Automatic slitting machine and slitting processing method for coiled stainless steel plates

Info

Publication number: CN111570925A
Application number: CN202010480181.8A
Authority: CN
Inventors: 吕振兴; 苏刚
Original assignee: Hefei Jizhiwang Information Technology Co ltd
Current assignee: Hefei Jizhiwang Information Technology Co ltd
Priority date: 2020-05-30
Filing date: 2020-05-30
Publication date: 2020-08-25

Abstract

The invention relates to an automatic slitting machine for coiled stainless steel plates and a slitting processing method. According to the invention, the motor drives the cutter of the longitudinal cutting device to rotate and cut around the outer part of the stainless steel coil, so that the stainless steel coil can be longitudinally cut without being unfolded, and the time wasted by unfolding and winding the stainless steel coil is saved; the invention utilizes the electric telescopic rod to drive the knife handles, and the other group of knife handles synchronously move under the driving of the rotating plate and the connecting plate, thereby controlling the moving distance of the cutting knife and realizing the fixed-depth cutting of the stainless steel coil; the rotatable transverse cutting part is arranged in the cutter, so that the innermost layer of the stainless steel coil can be transversely cut by the transverse cutting part when the stainless steel coil is peeled.

Description

Automatic slitting machine and slitting processing method for coiled stainless steel plates

Technical Field

The invention relates to the technical field of stainless steel coil processing, in particular to an automatic slitting machine and a slitting method for coiled stainless steel plates.

Background

The stainless steel plate is divided into a cold-rolled plate and a hot-rolled plate, the surface of the stainless steel plate is provided with a bright surface, a matte surface and a matte surface, and when the stainless steel plate is actually used, the whole stainless steel coil needs to be slit by a slitting machine due to different required stainless steel widths and lengths. The slitting machine is also called a slitting machine, is a name of metal slitting equipment, is suitable for longitudinally shearing metal strip materials such as tinplate, silicon steel sheets, aluminum strips, copper, stainless steel plates, galvanized plates and the like, and rewinds slit narrow strips into coils.

The existing slitting machine divides the uncoiled metal strip, but the coiled stainless steel plate has the following defects when being divided: firstly, uncoiling coiled stainless steel plates is troublesome, and after cutting off the stainless steel plates with required width, the residual stainless steel plates need to be coiled again, so that the process is complicated and time-consuming; secondly, the length of the stainless steel plate material actually used is not necessarily a whole roll length, and the stainless steel plate needs to be cut at a position of a desired length.

Therefore, the invention provides an automatic slitting machine and a slitting processing method for coiled stainless steel plates.

Disclosure of Invention

In order to achieve the purpose, the invention adopts the following technical scheme to realize the purpose: an automatic slitting machine for coiled stainless steel plates comprises a base plate and a stainless steel coil arranged at the top of the base plate, wherein a slitting device is arranged at one end, located at the stainless steel coil, above the base plate, a first coiling core penetrates through the center of the stainless steel coil, a fixed support is arranged at one end of the first coiling core, a movable support is sleeved outside the stainless steel coil, the first coiling core is fixedly connected with the base plate, and the movable support is in sliding connection with the base plate;

the longitudinal cutting device is arranged at one end far away from the fixed support and comprises a circular plate which is vertically arranged, rectangular through holes are symmetrically formed in the side wall of the circular plate, a cutter handle is horizontally arranged in the rectangular through holes, one end of the cutter handle is in contact with the movable support, the other end of the cutter handle penetrates through the rectangular through holes to lead to the outside, and a guide rod penetrating through the cutter handle is further arranged inside the rectangular through holes; a cutter is arranged at one side, close to the movable support, of the tail end of the cutter handle, the cutter consists of a fixing part fixed on the inner side of the cutter handle and a longitudinal cutting part integrally formed at the tail end of the fixing part, through holes penetrating through the longitudinal cutting part are formed in the bottoms of one group of fixing parts, rotating rods are screwed in the through holes, and transverse cutting parts are arranged at the top ends of the rotating rods;

a fixed shaft is arranged on one side, away from the cutter, of the outer wall of the circular plate, a rotating plate is rotatably arranged at the tail end of the fixed shaft, connecting plates are arranged between two ends of the rotating plate and the tail ends of the two groups of cutter handles, two ends of each connecting plate are respectively hinged with the tail end of the rotating plate and the tail ends of the cutter handles, an electric telescopic rod is further installed on the outer wall of the circular plate, and the tail end of the electric telescopic rod is fixedly connected with one group of cutter handles; a second winding core is arranged on one side, opposite to the fixed shaft, of the outer wall of the circular plate;

one side of the stainless steel coil of strip is kept away from to rip cutting device's outside is provided with drive arrangement, and drive arrangement includes a supporting bench and slides the motor cabinet that sets up at a supporting bench top, a supporting bench's top level is provided with the hydro-cylinder that is used for promoting the motor cabinet, and the inside of motor cabinet is provided with the motor, and the output fixedly connected with pivot of motor, the end of pivot be provided with plectane fixed connection's connecting plate.

Preferably, the movable support comprises a circular ring and a prismatic table integrally formed at the bottom of the circular ring, two groups of sliding blocks are arranged at the bottom of the prismatic table, sliding grooves are formed in the positions, corresponding to the sliding blocks, of the top of the bottom plate, and the sliding blocks are in sliding butt joint in the sliding grooves.

Preferably, an annular groove is formed in one side, away from the fixed support, of the outer wall of the circular ring, a plurality of groups of rollers distributed annularly are arranged inside the annular groove, each roller is composed of a central shaft and a cylindrical roller, the cylindrical roller is movably sleeved outside the central shaft, two ends of the central shaft are fixedly connected with the inner wall of the annular groove, and the tail end of the cutter handle is in contact with the rollers.

Preferably, the vertical section of the fixing part is rectangular, the vertical section of the longitudinal cutting part is triangular, and the top of the longitudinal cutting part is arc-shaped.

Preferably, the fixed shaft consists of a round rod and a cone integrally formed at the tail end of the round rod, the bottom of the round rod is provided with an external thread, the top end of the cone penetrates through the rotating rod to be flush with the top of the longitudinal cutting part, and the transverse cutting part is fixedly arranged outside the cone.

Preferably, the second winding core comprises a threaded rod fixed at the center of the circular plate and a threaded pipe screwed outside the threaded rod.

Preferably, one side of the outer wall of the circular plate, which is close to the connecting plate, is provided with a plurality of groups of circular grooves, the circular grooves are uniformly distributed on the side wall of the circular plate, which is close to the outer edge, the side wall of the connecting plate is fixedly provided with a plurality of groups of positioning rods corresponding to the circular grooves, and the positioning rods are inserted into the circular grooves and are fixedly connected with the circular plate.

Preferably, the slitting processing method of the coiled stainless steel plate automatic slitting machine further comprises the following steps,

s1, adjusting the slitting width: the telescopic rod of the driving oil cylinder extends to enable the driving oil cylinder to push the motor to move towards the direction of the stainless steel coil, the circular plate moves along with the driving of the connecting plate, the cutter is further driven to move by the cutter handle, and the distance from the cutter to the edge of the stainless steel coil is adjusted to determine the width to be cut;

s2 longitudinal cutting of the stainless steel coil: the motor is started to drive the connecting plate to rotate through the rotating shaft, the circular plate is driven by the connecting plate to rotate along with the rotating shaft, and the cutter handle drives the cutter to rotate to longitudinally cut the stainless steel coil;

s3, determining the slitting depth: the electric telescopic rod is driven to shorten, so that the electric telescopic rod drives the knife handles to move towards the center of the circular plate, the other group of knife handles synchronously approach under the linkage action of the rotating plate and the connecting plate, the two groups of cutters approach to the first coil core while rotating, and the contracted length of the electric telescopic rod is the slitting depth of the stainless steel coil;

s4 peeling of the stainless steel coil: the telescopic link of drive hydro-cylinder shortens, makes its drive motor move towards opposite direction, and synchronous motion is down in the drive of connecting plate to the plectane, and the stainless steel coil that the cutter will cut under the drive of handle of a knife is peeled off gradually, rotates the bull stick, makes the direction that the crosscut portion moved towards the cutter, and at the in-process of peeling off, the stainless steel coil that the crosscut portion will be inlayer transversely cuts, and the stainless steel coil cover that peels off is established in the outside that the second rolled up the core.

Advantageous effects

1. According to the invention, the motor drives the cutter of the longitudinal cutting device to rotate and cut around the outer part of the stainless steel coil, so that the stainless steel coil can be longitudinally cut without being unfolded, and the time wasted by unfolding and winding the stainless steel coil is saved;

2. the invention utilizes the electric telescopic rod to drive the knife handles, and the other group of knife handles synchronously move under the driving of the rotating plate and the connecting plate, thereby controlling the moving distance of the cutting knife and realizing the fixed-depth cutting of the stainless steel coil; the rotatable transverse cutting part is arranged in the cutter, so that the innermost layer of the stainless steel coil can be transversely cut by the transverse cutting part when the stainless steel coil is peeled.

Drawings

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

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

FIG. 2 is an enlarged schematic view of area A of FIG. 1 in accordance with the present invention;

FIG. 3 is a perspective view of the web of the present invention;

FIG. 4 is a partial cutaway view of a cutting blade according to the present invention;

FIG. 5 is an enlarged schematic view of area B of FIG. 4 in accordance with the present invention;

FIG. 6 is a schematic structural view of the traveling carriage according to the present invention;

FIG. 7 is a flow chart of the present invention;

in the figure: 10. a base plate; 11. a chute; 20. a stainless steel coil; 21. a first winding core; 22. a fixed support; 23. moving the support; 231. a circular ring; 232. a slider; 233. an annular groove; 234. a roller; 30. a slitting device; 31. a circular plate; 311. a rectangular through hole; 312. a guide bar; 32. a knife handle; 33. a cutter; 331. a fixed part; 332. a slitting section; 333. a through hole; 334. a rotating rod; 3341. a transverse cutting part; 34. a fixed shaft; 35. rotating the plate; 36. connecting plates; 37. an electric telescopic rod; 38. a second winding core; 381. a threaded rod; 382. a threaded pipe; 40. a drive device; 41. a support table; 42. a motor; 43. a motor base; 44. an oil cylinder; 45. a rotating shaft; 46. a connecting plate; 461. and (5) positioning the rod.

Detailed Description

The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.

As shown in fig. 1 to 7, an automatic slitting machine for coiled stainless steel plates comprises a bottom plate 10 and a stainless steel coil 20 arranged on the top of the bottom plate 10, wherein a slitting device 30 is arranged at one end of the stainless steel coil 20 above the bottom plate 10; a first winding core 21 penetrates through the center of the stainless steel coil 20, a fixed support 22 is arranged at one end of the first winding core 21, a circular hole which is convenient for the first winding core 21 to penetrate through is formed in the side wall of the fixed support 22 close to the top end, the bottom end of the fixed support 22 is fixed to the top of the bottom plate 10, a movable support 23 is sleeved outside the stainless steel coil 20, and the movable support 23 is arranged on the bottom plate 10 in a sliding mode;

the movable support 23 comprises a circular ring 231 and a prismatic table integrally formed at the bottom of the circular ring 231, two groups of sliding blocks 232 are arranged at the bottom of the prismatic table, a sliding groove 11 is formed in the position, corresponding to the sliding block 232, of the top of the bottom plate 10, the sliding blocks 232 are in butt joint with the sliding groove 11 in a sliding mode, an annular groove 233 is formed in one side, away from the fixed support 22, of the outer wall of the circular ring 231, a plurality of groups of rollers 234 are arranged inside the annular groove 233, the rollers 234 are uniformly and annularly distributed in the annular groove 233, each roller 234 consists of a central shaft and a cylindrical roller movably sleeved outside the central shaft, and two ends of the central;

the fixed support 22 and the movable support 23 support the stainless steel coil 20, the longitudinal cutting device 30 is arranged at one end far away from the fixed support 22, the longitudinal cutting device 30 comprises a circular plate 31 which is vertically arranged, rectangular through holes 311 are symmetrically formed in the side wall of the circular plate 31, tool handles 32 are horizontally arranged in the rectangular through holes 311, the two groups of tool handles 32 are symmetrically arranged, one end of each tool handle 32 extends to the movable support 23 and is in contact with the roller 234, the other end of each tool handle 32 penetrates through the rectangular through hole 311 to be led to the other side of the circular plate 31, and a guide rod 312 penetrating through the tool handles 32 is further arranged inside each rectangular through hole 311;

a cutter 33 is arranged at one side of the tail end of the cutter handle 32 close to the movable support 23, the cutter 33 is composed of a fixing part 331 fixed on the inner side of the cutter handle 32 and a longitudinal cutting part 332 integrally formed at the tail end of the fixing part 331, the vertical section of the fixing part 331 is rectangular, the vertical section of the longitudinal cutting part 332 is triangular, and the top of the longitudinal cutting part 332 is arc-shaped; a through hole 333 penetrating through the longitudinal cutting part 332 is formed in the center of the bottom of the group of fixing parts 331, a rotating rod 334 is screwed in the through hole 333, the rotating rod 334 consists of a round rod and a cone integrally formed at the tail end of the round rod, external threads are formed at the bottom of the round rod, the top end of the cone penetrates through the rotating rod 334 and is flush with the top of the longitudinal cutting part 332, a transverse cutting part 3341 is formed outside the cone, and the extending height of the cone and the direction of the transverse cutting part 3341 can be changed by rotating the round rod;

a fixed shaft 34 is arranged on one side, away from the cutter 33, of the outer wall of the circular plate 31, a rotating plate 35 is rotatably arranged at the tail end of the fixed shaft 34, a connecting plate 36 is arranged between two ends of the rotating plate 35 and the tail ends of the two groups of cutter handles 32, two ends of the connecting plate 36 are respectively hinged with the tail end of the rotating plate 35 and the tail ends of the cutter handles 32, an electric telescopic rod 37 is further mounted on the outer wall of the circular plate 31, and the tail end of the electric telescopic rod 37 is fixedly connected with one group of cutter handles 32; a second winding core 38 is arranged on the outer wall of the circular plate 31 on the side opposite to the fixed shaft 34, the second winding core 38 comprises a threaded rod 381 fixed in the center of the circular plate 31 and a threaded pipe 382 screwed outside the threaded rod 381, when the stainless steel coils 20 with different widths are cut off, the screwing length of the threaded pipe 382 and the threaded rod 381 is adjusted, the threaded pipe 382 is in contact with the tail end of the first winding core 21, and the stainless steel coils 20 are peeled off to be sleeved outside the second winding core 38;

a driving device 40 is arranged on one side of the outside of the longitudinal cutting device 30, which is far away from the stainless steel coil 20, the driving device 40 comprises a supporting table 41 and a motor base 43 which is arranged at the top of the supporting table 41 in a sliding manner, an oil cylinder 44 is horizontally arranged at the top of the supporting table 41, the tail end of the oil cylinder 44 is fixedly connected with the motor base 43, a motor 42 is arranged inside the motor base 43, the output end of the motor 42 is fixedly connected with a rotating shaft 45, a connecting plate 46 is arranged at the tail end of the rotating shaft 45, a plurality of groups of circular grooves are formed in one side, close to the connecting plate 46, of the outer wall of the circular plate 31, the circular grooves are uniformly and annularly distributed near the outer edge of the side wall of the circular plate 31, a plurality of groups;

a longitudinal shearing method of an automatic longitudinal shearing machine for coiled stainless steel plates, which also comprises the following steps,

s1, adjusting the slitting width: the telescopic rod of the driving oil cylinder 44 extends to enable the driving motor 42 to move towards the direction of the stainless steel coil 20, the circular plate 31 moves along with the driving of the connecting plate 46, the cutter 33 is driven to move through the cutter handle 32, and the distance from the cutter 33 to the edge of the stainless steel coil 20 is adjusted to determine the width to be cut;

s2 longitudinal cutting of the stainless steel coil: the motor 42 is started to drive the connecting plate 46 to rotate through the rotating shaft 45, the circular plate 31 is driven by the connecting plate 46 to rotate along with the rotating shaft, and the cutter handle 32 drives the cutter 33 to rotate to longitudinally cut the stainless steel coil 20;

s3, determining the slitting depth: the electric telescopic rod 37 is driven to shorten, so that the electric telescopic rod drives the knife handles 32 to move towards the center of the circular plate 31, the other knife handle 32 is close to the first winding core 21 simultaneously under the linkage action of the rotating plate 35 and the connecting plate 36, the two groups of cutters 33 are close to the first winding core 21 simultaneously when rotating, and the contraction length of the electric telescopic rod 37 is the cutting depth of the stainless steel coil 20;

s4 peeling of the stainless steel coil: the telescopic rod of the driving oil cylinder 44 is shortened to drive the motor 42 to move in the opposite direction, the circular plate 31 is driven by the connecting plate 46 to move synchronously, the cutter 33 is driven by the cutter handle 32 to gradually peel off the cut stainless steel coil 20, the rotating rod 334 is rotated to enable the transverse cutting part 3341 to move towards the direction of the cutter 33, in the peeling process, the transverse cutting part 3341 transversely cuts the innermost stainless steel coil 20, and the peeled stainless steel coil 20 is sleeved outside the second winding core 38.

The working principle is as follows: when the cutting device is used, the telescopic rod of the front driving oil cylinder 44 extends to push the motor base 43 to move, the motor 42 is driven by the motor base 43 to move towards the stainless steel coil 20, the circular plate 31 is driven by the connecting plate 46 to move along with the circular plate, the cutter handle 32 drives the cutter 33 to move for the same distance, the movable support 23 moves towards the fixed support 22 along the sliding groove 11 under the action of the driving force of the cutter handle 32, the fixed support 22 and the movable support 23 support the stainless steel coil 20, the cutter 33 moves to the outside of the stainless steel coil 20, marks can be drawn on the outer surface of the stainless steel coil 20 according to the cutting width of the stainless steel coil 20, and the oil cylinder 44 is closed when the cutter 33 moves to the mark;

the motor 42 is started to drive the connecting plate 46 to rotate through the rotating shaft 45, the circular plate 31 is driven by the positioning rod 461 to rotate along with the rotating shaft, the cutter handle 32 drives the cutter 33 to rotate, the roller 234 in contact with the cutter handle 32 rotates under the action of the cutter handle 32, the roller 234 plays a lubricating role, and the friction force between the tail end of the cutter handle 32 and the movable support 23 is reduced; the electric telescopic rod 37 is driven to shorten, so that the electric telescopic rod drives the knife handles 32 to move towards the center of the circular plate 31, the other knife handle 32 is close to the first winding core 21 synchronously under the linkage action of the rotating plate 35 and the connecting plate 36, and the two groups of cutters 33 rotate and close to the first winding core 21 to longitudinally cut the stainless steel coil 20; along with the change of the contraction length of the electric telescopic rod 37, the cutting depth of the stainless steel coil 20 is changed;

when the stainless steel coil 20 needs to be completely cut off, the electric telescopic rod 37 continues to contract until the cutter 33 contacts with the first winding core 21, at this time, the motor 42 is turned off, the oil cylinder 44 is started to shorten, the connecting plate 46 is driven by the motor 42 to move in the opposite direction, the circular plate 31 drives the cutter 33 to synchronously move through the cutter handle 32, the cut off stainless steel coil 20 is peeled off from the first winding core 21, the threaded pipe 382 is rotated to gradually approach the first winding core 21, and the cut off stainless steel coil 20 is sleeved on the second winding core 38;

when the stainless steel coil 20 is not required to be completely cut off, the electric telescopic rod 37 is closed after being contracted to a certain length, and at the moment, the rotating rod 334 at the bottom of the fixing part 331 of the cutter 33 is rotated, so that the transverse cutting part 3341 at the tail end of the rotating rod is rotated from the direction parallel to the longitudinal cutting part 332 to the direction vertical to the longitudinal cutting part 332, and the transverse cutting part 3341 faces to the contracting direction of the oil cylinder 44; the motor 42 is turned off, the oil cylinder 44 is started to shorten the length of the coil, the motor 42 drives the connecting plate 46 to move in the opposite direction, the circular plate 31 drives the cutter 33 to move synchronously through the cutter handle 32, the cut stainless steel coil 20 is peeled off from the first winding core 21, the cross cutting part 3341 is used for transversely cutting the innermost stainless steel coil 20 to separate the stainless steel coil from the complete stainless steel coil 20, the threaded pipe 382 is rotated to gradually approach the first winding core 21, and the cut stainless steel coil 20 is sleeved on the second winding core 38.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by 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 protection scope of the present invention.

Claims

1. The utility model provides an automatic slitting machine of lapping stainless steel panel, includes bottom plate (10) and stainless steel coil (20) of setting at bottom plate (10) top, and the one end that the top of bottom plate (10) is located stainless steel coil (20) is provided with rip cutting device (30), its characterized in that: a first winding core (21) penetrates through the center of the stainless steel coil (20), a fixed support (22) is arranged at one end of the first winding core (21), a movable support (23) is sleeved outside the stainless steel coil (20), the first winding core (21) is fixedly connected with the bottom plate (10), and the movable support (23) is in sliding connection with the bottom plate (10);

the longitudinal cutting device (30) is arranged at one end far away from the fixed support (22), the longitudinal cutting device (30) comprises a circular plate (31) which is vertically arranged, rectangular through holes (311) are symmetrically formed in the side wall of the circular plate (31), a cutter handle (32) is horizontally arranged in each rectangular through hole (311), one end of each cutter handle (32) is in contact with the corresponding movable support (23), the other end of each cutter handle (32) penetrates through each rectangular through hole (311) to lead to the outside, and a guide rod (312) penetrating through each cutter handle (32) is further arranged inside each rectangular through hole (311); a cutter (33) is arranged on one side, close to the movable support (23), of the tail end of the cutter handle (32), the cutter (33) is composed of a fixing portion (331) fixed to the inner side of the cutter handle (32) and a longitudinal cutting portion (332) integrally formed at the tail end of the fixing portion (331), a through hole (333) penetrating through the longitudinal cutting portion (332) is formed in the bottom of one group of fixing portions (331), a rotating rod (334) is screwed in the through hole (333), and a transverse cutting portion (3341) is arranged at the top end of the rotating rod (334);

a fixed shaft (34) is arranged on one side, away from the cutter (33), of the outer wall of the circular plate (31), a rotating plate (35) is rotatably arranged at the tail end of the fixed shaft (34), a connecting plate (36) is arranged between the two ends of the rotating plate (35) and the tail ends of the two groups of cutter handles (32), the two ends of the connecting plate (36) are respectively hinged with the tail ends of the rotating plate (35) and the cutter handles (32), an electric telescopic rod (37) is further mounted on the outer wall of the circular plate (31), and the tail end of the electric telescopic rod (37) is fixedly connected with one group of cutter handles (32); a second winding core (38) is arranged on one side, opposite to the fixed shaft (34), of the outer wall of the circular plate (31);

one side of the stainless steel coil (20) is kept away from to the outside of rip cutting device (30) is provided with drive arrangement (40), and drive arrangement (40) include brace table (41) and slide and set up motor cabinet (43) at brace table (41) top, the top level of brace table (41) is provided with hydro-cylinder (44) that are used for promoting motor cabinet (43), and the inside of motor cabinet (43) is provided with motor (42), and the output end fixedly connected with pivot (45) of motor (42), the end of pivot (45) be provided with plectane (31) fixed connection's connecting plate (46).

2. The automatic slitting machine for coiled stainless steel plates according to claim 1, wherein: the movable support (23) comprises a circular ring (231) and a prismatic table integrally formed at the bottom of the circular ring (231), two groups of sliding blocks (232) are arranged at the bottom of the prismatic table, a sliding groove (11) is formed in the position, corresponding to the sliding blocks (232), of the top of the bottom plate (10), and the sliding blocks (232) are in sliding butt joint in the sliding groove (11).

3. The automatic slitting machine for coiled stainless steel plates according to claim 2, wherein: annular groove (233) have been seted up to one side that fixed bolster (22) was kept away from to the outer wall of ring (231), and the inside of annular groove (233) is provided with multiunit and is the roller (234) that the annular distributes, roller (234) are established the outside cylinder roller of center pin by center pin and activity cover and are constituteed, the both ends of center pin and the inner wall fixed connection of annular groove (233), and the end of handle of a knife (32) contacts with roller (234).

4. The automatic slitting machine for coiled stainless steel plates according to claim 1, wherein: the vertical section of the fixing part (331) is rectangular, the vertical section of the longitudinal cutting part (332) is triangular, and the top of the longitudinal cutting part (332) is arc-shaped.

5. The automatic slitting machine for coiled stainless steel plates according to claim 1, wherein: the fixed shaft (34) consists of a round rod and a cone integrally formed at the tail end of the round rod, the bottom of the round rod is provided with an external thread, the top end of the cone penetrates through the rotating rod (334) to be flush with the top of the longitudinal cutting part (332), and the transverse cutting part (3341) is fixedly arranged outside the cone.

6. The automatic slitting machine for coiled stainless steel plates according to claim 1, wherein: the second winding core (38) comprises a threaded rod (381) fixed in the center of the circular plate (31) and a threaded pipe (382) screwed outside the threaded rod (381).

7. The automatic slitting machine for coiled stainless steel plates according to claim 1, wherein: the side that the outer wall of plectane (31) is close to connecting plate (46) has seted up the multiunit circular slot, and the circular slot is even annular distribution near outer edge at the lateral wall of plectane (31), and the lateral wall fixed mounting of connecting plate (46) has multiunit and the corresponding locating lever (461) of circular slot, and locating lever (461) insert in the circular slot and with plectane (31) fixed connection.

8. The automatic slitting machine for coiled stainless steel plates for slitting plates according to claim 1, wherein the automatic slitting machine for coiled stainless steel plates for slitting plates comprises: comprises the following steps;

s1, adjusting the slitting width: the telescopic rod of the driving oil cylinder (44) extends to enable the driving oil cylinder to push the motor (42) to move towards the direction of the stainless steel coil (20), the circular plate (31) moves along with the driving of the connecting plate (46), the cutter handle (32) drives the cutter (33) to move, and the distance from the cutter (33) to the edge of the stainless steel coil (20) is adjusted to determine the width to be cut;

s2 longitudinal cutting of the stainless steel coil: the motor (42) is started to drive the connecting plate (46) to rotate through the rotating shaft (45), the circular plate (31) is driven by the connecting plate (46) to rotate along with the rotating shaft, and the cutter handle (32) drives the cutter (33) to rotate to longitudinally cut the stainless steel coil (20);

s3, determining the slitting depth: the electric telescopic rod (37) is driven to shorten, so that the electric telescopic rod drives the knife handles (32) to move towards the center of the circular plate (31), the other group of knife handles (32) synchronously approach under the linkage action of the rotating plate (35) and the connecting plate (36), the two groups of cutters (33) approach to the first winding core (21) while rotating, and the contraction length of the electric telescopic rod (37) is the slitting depth of the stainless steel coil (20);

s4 peeling of the stainless steel coil: the telescopic link of drive hydro-cylinder (44) shortens, make it drive motor (42) and move towards opposite direction, plectane (31) synchronous motion under the drive of connecting plate (46), cutter (33) are peeled off stainless steel coil (20) under will cutting under the drive of handle of a knife (32) gradually, rotation bull stick (334), make crosscut portion (3341) towards the direction that cutter (33) moved, peel off the in-process, crosscut portion (3341) transversely cuts open the stainless steel coil (20) of inlayer, the outside at second book core (38) is established to stainless steel coil (20) of peeling off.