Cold-roll steel sheet slitting and cutting device

Abstract

The utility model relates to the technical field of cold-roll steel plate processing, in particular to a cold-roll steel plate slitting and cutting device which comprises a first cutting cylinder, a second cutting cylinder, a third cutting cylinder and a blade disc, and is characterized in that second connecting rods are fixedly connected to the centers of one ends of the first cutting cylinder and the second cutting cylinder; connecting grooves are formed in the center of the other end of the second cutting cylinder and the center of one end of the third cutting cylinder correspondingly, a first through groove is formed in the center of the blade disc, a second connecting rod is installed and inserted into the connecting grooves, the second connecting rod penetrates through the first through groove, and the outer side of the blade disc is fixedly sleeved with a cutting knife. And a plurality of second cutting cylinders are arranged. And through cooperation of a second connecting rod, a driving rod, a connecting groove and an inserting hole, rapid disassembly and assembly of the cutting knife are achieved. The first through groove and the second through groove of the blade disc are accurately aligned with the rod piece of the cutting cylinder, blade replacement can be completed only through axial pulling and inserting, and complex tools or overall equipment disassembling is not needed.

Description

TECHNICAL FIELD

[0001] The utility model relates to cold rolled steel sheet processing technical field, concretely relates to a cold rolled steel sheet slitting cutting device. BACKGROUND

[0002] Cold rolled steel sheet slitting cutting is a metal processing technology, mainly used for processing into the required width of the strip coil through the steps such as uncoiling, longitudinal shearing, leveling, winding for cold rolled coil, this processing mode can improve the utilization rate of material, reduce waste, and cold rolled steel sheet slitting is often used in the production of transformer, packaging industry, motor, automobile, household appliance, building material and hardware industry.

[0003] In the application number: CN202411614738.7, a kind of cold rolled steel sheet slitting cutting device is disclosed, by adjusting the position of disc cutter, control two electric hydraulic rods elongation make it drive two lifting seat to move down, lifting seat then drive buffer assembly and disc cutter to move down and contact with steel coil and cut it, with the pressure roller moves down and contacts with steel coil, make pressure roller and support roller can limit steel coil, prevent steel coil from deviating position, secondly control the work of second motor make it drive support roller clockwise rotation, support roller then drive steel coil to right transport, cooperate disc cutter position continuous work, further can cut while transporting to steel coil.

[0004] But the cutting knife of the device will be worn with long time use, in order to guarantee the precision and efficiency of slitting cutting, cutting knife needs to be replaced regularly, however, the traditional replacement mode is usually more cumbersome, and it takes a long time to replace the cutting knife, thereby reducing the processing efficiency, therefore a kind of cold rolled steel sheet slitting cutting device is proposed. UTILITY MODEL CONTENT

[0005] In view of the problems in the prior art, the utility model provides a kind of cold rolled steel sheet slitting cutting device.

[0006] The technical scheme adopted by the utility model to solve its technical problems is a kind of cold rolled steel sheet slitting cutting device, including first cutting cylinder, second cutting cylinder, third cutting cylinder and blade disc, characterized in that, the center of one end of the first cutting cylinder and the second cutting cylinder is fixedly connected with second connecting rod, the other end of the second cutting cylinder and the center of one end of the third cutting cylinder are all provided with connecting groove, the center of the blade disc is provided with first through slot, the connecting groove is used for the second connecting rod installation insertion, the first through slot is used for the second connecting rod to pass through, the outside of the blade disc is fixedly sleeved with cutting knife, the second cutting cylinder is equipped with multiple;

[0007] One end of the first cutting cylinder and the second cutting cylinder is fixedly connected with a driving rod, the driving rod is provided with a plurality of, the other end of the second cutting cylinder and one end of the third cutting cylinder are provided with a insertion hole, the inside of the blade disc is provided with a second through slot, the insertion hole and the second through slot are provided with a plurality of, the plurality of insertion holes are used for mounting and inserting the driving rod, and the plurality of second through slots are used for passing the driving rod.

[0008] By adopting the above technical scheme, through the cooperation of the second connecting rod, the driving rod and the connecting groove and the insertion hole, the quick disassembly and assembly of the cutting knife is realized. The first through slot and the second through slot of the blade disc are accurately positioned with the rod of the cutting cylinder, and only axial insertion and extraction are needed to complete the blade replacement, without the need for complex tools or overall disassembly of the equipment.

[0009] The driving rods are linked between the multi-section cutting cylinders, and when replacing, the blades can be taken out only by separating the adjacent cylinder bodies, which greatly shortens the downtime maintenance time. The threaded connection of the limiting plate and the threaded groove further simplifies the axial fixing process, ensures the stability of the cutting cylinder group in high-speed rotation, and significantly improves the blade replacement efficiency and operation safety.

[0010] Specifically, the end of the third cutting cylinder away from the connecting groove is rotatably installed in the inside of the second lifting seat, the outside of the third cutting cylinder is sleeved with a second bearing, and the outer ring of the second bearing is fixedly installed in the inside of the second lifting seat.

[0011] By adopting the above technical scheme, the third cutting cylinder is rotatably connected with the second lifting seat through the second bearing, when the motor drives the third cutting cylinder to rotate, the inner ring of the second bearing rotates with the cylinder body, and the outer ring remains fixedly connected with the second lifting seat, so as to reduce the rotating friction resistance.

[0012] Specifically, the end of the second lifting seat away from the third cutting cylinder is fixedly installed with a motor, and the output end of the motor is fixedly connected with one end of the third cutting cylinder.

[0013] By adopting the above technical scheme, after the motor is started, the output shaft directly drives the third cutting cylinder to rotate, and the power is sequentially transmitted to the plurality of second cutting cylinders and the first cutting cylinder through the driving rods, forming a linkage rotating system.

[0014] Specifically, the first connecting rod is fixedly connected with the first connecting rod at the center of the end of the first cutting cylinder away from the second connecting rod, and the first connecting rod is inserted and connected with the inner ring of the first bearing.

[0015] By adopting the technical scheme, the first connecting rod is rotationally connected with the limiting plate through the first bearing, in the cutting process, the first bearing allows the first cutting cylinder to rotate freely, meanwhile, the limiting plate is fixed in the threaded groove through screwing, thereby limiting the axial displacement of the first cutting cylinder, when it is necessary to disassemble the cutting cylinder group, the first connecting rod can be separated from the first bearing by unscrewing the limiting plate, at this time, the whole cutting cylinder group can be pulled out in the axial direction, thereby facilitating the maintenance or replacement of parts.

[0016] Specifically, the outer ring of the first bearing is fixedly installed on one side of the limiting plate, the limiting plate is fixedly installed in the threaded groove through screwing, and the threaded groove is arranged in the interior of the first lifting seat.

[0017] By adopting the technical scheme, after the limiting plate is screwed into the threaded groove of the first lifting seat, the axial locking of the first cutting cylinder is formed, the threaded connection mode allows quick disassembly, the limiting plate is unscrewed counterclockwise to release the constraint on the first connecting rod, and when the limiting plate is screwed clockwise, the self-locking characteristic of the thread ensures that the cutting cylinder group does not move axially in high-speed rotation. The depth of the threaded groove of the first lifting seat is calculated to ensure that the gap between the first bearing and the first connecting rod meets the design requirements after the limiting plate is screwed.

[0018] Specifically, the first lifting seat and the second lifting seat are arranged in parallel relative to each other, the first lifting seat and the second lifting seat are movably installed on the opposite two sides of the top frame, the inner top end of the top frame is fixedly installed with the electric hydraulic rods, the electric hydraulic rods are provided in two groups, and the output ends of the two groups of electric hydraulic rods are fixedly connected with the top ends of the first lifting seat and the second lifting seat respectively.

[0019] By adopting the technical scheme, the two groups of electric hydraulic rods are driven through the synchronous control system, so that the lifting heights of the first lifting seat and the second lifting seat can be synchronously controlled.

[0020] The beneficial effects of the utility model are as follows:

[0021] (1) The cold-rolled steel plate slitting cutting device, through the cooperation of the second connecting rod, the driving rod, the connecting groove and the insertion hole, realizes the quick disassembly of the cutting knife. The first through groove and the second through groove of the blade disc are accurately positioned with the rod of the cutting cylinder, and only axial insertion and extraction are needed to complete the blade replacement, without the need for complex tools or overall disassembly of the equipment.

[0022] (2) The cold-rolled steel plate slitting cutting device, the driving rods are linked between the multiple cutting cylinders, and only the adjacent cylinder bodies need to be separated to take out the blade during replacement, thereby greatly shortening the downtime maintenance time. The threaded connection between the limiting plate and the threaded groove further simplifies the axial fixing process, ensures that the cutting cylinder group does not move in high-speed rotation, and significantly improves the blade replacement efficiency and operation safety. BRIEF DESCRIPTION OF DRAWINGS

[0023] The utility model is further illustrated below in connection with the drawings and embodiments.

[0024] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0025] Figure 2 It is a second cutting cylinder structure schematic view of the utility model;

[0026] Figure 3 It is a first cutting cylinder structure schematic view of the utility model;

[0027] Figure 4 It is a third cutting cylinder structure schematic view of the utility model;

[0028] Figure 5 It is a limiting plate structure schematic view of the utility model;

[0029] In the drawing: 1, first lifting seat; 2, threaded slot; 3, first cutting cylinder; 4, second cutting cylinder; 5, cutting knife; 6, top frame; 7, motor; 8, second lifting seat; 9, electric hydraulic rod; 10, first through slot; 11, blade disc; 12, second through slot; 13, connecting groove; 14, jack; 15, third cutting cylinder; 16, first connecting rod; 17, first bearing; 18, limiting plate; 19, second connecting rod; 20, drive rod; 21, second bearing. DETAILED DESCRIPTION

[0030] In order to make the technical means, creation features, purposes and effects realized by the utility model easy to understand, the utility model is further described below in connection with specific embodiments.

[0031] As an embodiment of the utility model, as shown in Figures 1-5 The utility model discloses a cold-rolled steel sheet slitting cutting device, including first cutting cylinder 3, second cutting cylinder 4, third cutting cylinder 15 and blade disc 11, it is characterized in that one end center of first cutting cylinder 3 and second cutting cylinder 4 is fixedly connected with second connecting rod 19, the other end of second cutting cylinder 4 and one end center of third cutting cylinder 15 are all set up with connecting groove 13, the center of blade disc 11 is set up with first through slot 10, connecting groove 13 is used for the installation insertion of second connecting rod 19, first through slot 10 is used for the through of second connecting rod 19, the outside of blade disc 11 is fixedly sleeved with cutting knife 5, second cutting cylinder 4 is equipped with a plurality of;

[0032] One end of the first cutting cylinder 3 and the second cutting cylinder 4 is fixedly connected with a driving rod 20, the driving rod 20 is provided with a plurality of, the other end of the second cutting cylinder 4 and one end of the third cutting cylinder 15 are provided with a insertion hole 14, the inside of the blade disc 11 is provided with a second through slot 12, the insertion hole 14 and the second through slot 12 are provided with a plurality of, a plurality of insertion holes 14 are used for the driving rod 20 to be installed and inserted, a plurality of second through slots 12 are used for the driving rod 20 to pass through.

[0033] In use, when the cutting knife 5 needs to be replaced, the operator can pull out the second connecting rod 19 and the driving rod 20 between the first cutting cylinder 3 and the second cutting cylinder 4 in the axial direction, so that the connecting slot 13 is separated from the second connecting rod 19 and the insertion hole 14 is separated from the driving rod 20, at this time, the blade disc 11 clamped between the adjacent cutting cylinders can be directly taken out due to the loss of fixed constraint. When installing a new blade, the first through slot 10 and the second through slot 12 of the blade disc 11 are aligned with the second connecting rod 19 and the driving rod 20 respectively, the driving rod 20 is inserted into the insertion hole 14 of the lower cutting cylinder after passing through the second through slot 12, and the second connecting rod 19 is inserted into the connecting slot 13 after passing through the first through slot 10, and the cutting cylinder and the blade disc 11 are rigidly connected by axial pushing, so as to ensure that the power is stably transmitted to the blade disc 11 through the driving rod 20 during cutting.

[0034] The use of the novel also includes that one end of the third cutting cylinder 15 away from the connecting slot 13 is rotatably installed in the inside of the second lifting seat 8, the outside of the third cutting cylinder 15 is sleeved with a second bearing 21, and the outer ring of the second bearing 21 is fixedly installed in the inside of the second lifting seat 8.

[0035] In use, the third cutting cylinder 15 is rotatably connected with the second lifting seat 8 through the second bearing 21, when the motor 7 drives the third cutting cylinder 15 to rotate, the inner ring of the second bearing 21 rotates with the cylinder body, and the outer ring remains fixedly connected with the second lifting seat 8, so as to reduce the rotating friction resistance.

[0036] The use of the novel also includes that one end of the third cutting cylinder 15 away from the connecting slot 13 is rotatably installed in the inside of the second lifting seat 8, the outside of the third cutting cylinder 15 is sleeved with a second bearing 21, and the outer ring of the second bearing 21 is fixedly installed in the inside of the second lifting seat 8.

[0037] In use, after the motor 7 is started, the output shaft directly drives the third cutting cylinder 15 to rotate, and the power is transmitted to the plurality of second cutting cylinders 4 and the first cutting cylinder 3 in sequence through the driving rod 20, forming a linkage rotating system.

[0038] The use of the novel also includes that one end of the third cutting cylinder 15 away from the connecting slot 13 is rotatably installed in the inside of the second lifting seat 8, the outside of the third cutting cylinder 15 is sleeved with a second bearing 21, and the outer ring of the second bearing 21 is fixedly installed in the inside of the second lifting seat 8.

[0039] In use, the first connecting rod 16 is rotatably connected with the limiting plate 18 through the first bearing 17, the first bearing 17 allows the first cutting cylinder 3 to rotate freely during the cutting process, and the limiting plate 18 is fixed in the threaded groove 2 by screwing, thereby limiting the axial displacement of the first cutting cylinder 3; when it is necessary to disassemble the cutting cylinder group, the first connecting rod 16 is separated from the first bearing 17 by unscrewing the limiting plate 18, and at this time, the whole cutting cylinder group can be pulled out in the axial direction, thereby facilitating the maintenance or replacement of parts.

[0040] The utility model also includes that the outer ring of the first bearing 17 is fixedly installed on one side of the limiting plate 18, the limiting plate 18 is fixedly installed in the threaded groove 2 by screwing, and the threaded groove 2 is arranged in the interior of the first lifting seat 1.

[0041] In use, after the limiting plate 18 is screwed into the threaded groove 2 of the first lifting seat 1, axial locking of the first cutting cylinder 3 is formed, the threaded connection mode allows quick disassembly, anticlockwise rotation of the limiting plate 18 can release the constraint on the first connecting rod 16, and when clockwise rotation is performed, the threaded self-locking characteristic ensures that the cutting cylinder group does not move axially during high-speed rotation.

[0042] The utility model also includes that the first lifting seat 1 and the second lifting seat 8 are arranged in parallel, the first lifting seat 1 and the second lifting seat 8 are movably installed on the opposite two sides of the top frame 6, the inner top end of the top frame 6 is fixedly installed with the electric hydraulic rod 9, the electric hydraulic rod 9 is provided with two groups, and the output ends of the two groups of electric hydraulic rods 9 are fixedly connected with the top ends of the first lifting seat 1 and the second lifting seat 8 respectively.

[0043] In use, the two groups of electric hydraulic rods 9 are driven through a synchronous control system, and the lifting heights of the first lifting seat 1 and the second lifting seat 8 can be synchronously controlled.

[0044] In use, when the cutting knife 5 needs to be replaced, the limiting plate 18 is only needed to be unscrewed from the threaded groove 2, the limiting plate 18 is separated from the first connecting rod 16, then the first cutting cylinder 3 can be pulled out along the direction of the threaded groove 2, the second connecting rod 19 and the driving rod 20 are pulled out from the second cutting cylinder 4, the first cutting cylinder 3 and the second cutting cylinder 4 are separated, the cutting knife 5 clamped between the first cutting cylinder 3 and the second cutting cylinder 4 is taken out, and the cutting knives 5 between the adjacent two second cutting cylinders 4 and between the second cutting cylinder 4 and the third cutting cylinder 15 can also be taken out through the above operation.

[0045] When installing the new cutting knife 5, taking the blade replacement between the first cutting cylinder 3 and the second cutting cylinder 4 as an example, only need to pass the first through slot 10 and the second through slot 12 of the blade disc 11 through the second connecting rod 19 and the driving rod 20 at one end of the first cutting cylinder 3 respectively, and then insert the second connecting rod 19 and the driving rod 20 into the connecting slot 13 and the insertion hole 14 at one end of the second cutting cylinder 4, so that the first cutting cylinder 3 and the second cutting cylinder 4 can clamp the blade disc 11, and the replacement is completed, and the cutting knife 5 between the two adjacent second cutting cylinders 4 and between the second cutting cylinder 4 and the third cutting cylinder 15 can be replaced by the above operation.

[0046] Finally, the limiting plate 18 is screwed into the threaded groove 2 and screwed tightly, so that the first connecting rod 16 at one end of the first cutting cylinder 3 is inserted into the inner ring of the first bearing 17, thereby limiting the axial movement of the first cutting cylinder 3, and the limiting plate 18 limits the axial movement of the first cutting cylinder 3, thereby limiting the axial movement of the first cutting cylinder 3. Finally, the motor 7 and the two electric hydraulic rods 9 are started by connecting the power supply, the starting of the motor 7 can drive the third cutting cylinder 15 to rotate, and the connection of the driving rod 20 can drive the third cutting cylinder 15 to rotate, and the two electric hydraulic rods 9 can simultaneously drive the first lifting seat 1 and the second lifting seat 8 to descend, thereby cutting the cold-rolled steel plate placed below the cutting cylinder.

[0047] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principle of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A cold-rolled steel sheet slitting cutting device comprising a first cutting cylinder (3), a second cutting cylinder (4), a third cutting cylinder (15) and a blade disc (11), characterized in that, The second connecting rod (19) is fixedly connected at the center of one end of the first cutting cylinder (3) and the second cutting cylinder (4), a connecting groove (13) is arranged at the center of the other end of the second cutting cylinder (4) and one end of the third cutting cylinder (15), a first through groove (10) is arranged at the center of the blade disc (11), the connecting groove (13) is used for mounting and inserting the second connecting rod (19), the first through groove (10) is used for passing the second connecting rod (19), and the cutting knife (5) is fixedly sleeved outside the blade disc (11). The driving rod (20) is fixedly connected at one end of the first cutting cylinder (3) and the second cutting cylinder (4), a plurality of driving rods (20) are arranged, a plug hole (14) is arranged at the other end of the second cutting cylinder (4) and one end of the third cutting cylinder (15), a second through groove (12) is arranged in the blade disc (11), a plurality of plug holes (14) and a plurality of second through grooves (12) are arranged, the plug hole (14) is used for mounting and inserting the driving rod (20), and the second through groove (12) is used for passing the driving rod (20).

2. A slitting and cutting device for cold rolled steel sheets as claimed in claim 1, wherein, The third cutting cylinder (15) is rotatably installed at the other end of the second lifting seat (8) away from the connecting groove (13), the second bearing (21) is sleeved outside the third cutting cylinder (15), and the outer ring of the second bearing (21) is fixedly installed in the second lifting seat (8).

3. A slitting and cutting device for cold rolled steel sheets as claimed in claim 2, wherein, The motor (7) is fixedly installed at the other end of the second lifting seat (8) away from the third cutting cylinder (15), and the output end of the motor (7) is fixedly connected with one end of the third cutting cylinder (15).

4. A slitting and cutting device for cold rolled steel sheets as claimed in claim 1, wherein, The first connecting rod (16) is fixedly connected at the center of the other end of the first cutting cylinder (3) away from the second connecting rod (19), and the first connecting rod (16) is inserted into the inner ring of the first bearing (17).

5. A slitting and cutting device for cold rolled steel sheets as claimed in claim 4, characterized in that, The outer ring of the first bearing (17) is fixedly installed on one side of the limiting plate (18), the limiting plate (18) is fixedly installed in the threaded groove (2) in a threaded manner, and the threaded groove (2) is arranged in the first lifting seat (1).

6. A slitting and cutting device for cold rolled steel sheets as claimed in claim 5, characterized in that, The first lifting seat (1) and the second lifting seat (8) are arranged in parallel, the first lifting seat (1) and the second lifting seat (8) are movably installed on the opposite two sides of the top frame (6), the inner top end of the top frame (6) is fixedly installed with the electric hydraulic rod (9), the electric hydraulic rod (9) is provided with two groups, and the output ends of the two groups of electric hydraulic rods (9) are fixedly connected with the top ends of the first lifting seat (1) and the second lifting seat (8).

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