Equipment for replacing cutting blade of slitting machine

Abstract

The utility model discloses a slitting machine cutting blade replacing device which comprises a bottom plate and a slitting device, the slitting device is fixedly installed on the top of the bottom plate, the top of the bottom plate is provided with a cutting blade used for cutting a metal sheet, and the top of the bottom plate is provided with a dismounting and mounting assembly used for rapidly dismounting and mounting the cutting blade. The dismounting and mounting assembly comprises a U-shaped frame and a lifting plate, the U-shaped frame is fixedly mounted at the top of the bottom plate, the lifting plate is slidably mounted in the U-shaped frame in the vertical direction through a hydraulic cylinder, a fixing strip is fixedly mounted on one side of the bottom of the lifting plate, and a positioning strip for positioning the cutting blade is slidably mounted at the bottom of the lifting plate; the dismounting and mounting assembly further comprises supporting blocks and limiting blocks, the supporting blocks are fixedly installed at the left end and the right end of the fixing strip, sliding blocks are elastically installed on the upper side and the lower side of each supporting block, and through mutual cooperation of all the parts, rapid dismounting and mounting of the cutting blade can be achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of slitting machine cutting blades, in particular to a slitting machine cutting blade replacement device. Background Art

[0002] The slitting machine, also known as the longitudinal shearing machine or longitudinal cutting machine, is a metal slitting equipment suitable for longitudinal shearing of metal billets. The slitting machine is easy to operate, has high cutting quality, high material utilization rate, and stepless cutting speed regulation. It is a common equipment for manufacturing electric heating tubes.

[0003] After the existing metal sheets are produced, a slitting machine is needed to separate and transfer different types of metal sheets, and then the transferred metal sheets are collected together using a winding roller. When the metal sheets wound outside the winding roller reach a certain extent, a cutting blade is used to cut the metal sheets, and then the winding roller is replaced, and the free end of the metal sheet is fixed again on the outside of the winding roller and wound. The cutting end of the existing cutting blade is prone to blunting or damage after long-term use, and the cutting blade needs to be replaced in time. Traditional cutting blades are mostly connected to the cutting equipment with bolts, and specific tools need to be used to disassemble the bolts when replacing the cutting blades, which consumes a lot of time and energy. Utility Model Content

[0004] The purpose of the utility model is to provide a cutting blade replacement device for a slitting machine to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A slitting machine cutting blade replacement device comprises a base plate and a slitting device, wherein the slitting device is fixedly mounted on the top of the base plate, a cutting blade for cutting metal sheets is arranged on the top of the base plate, and a disassembly assembly for quickly disassembling and assembling the cutting blade is arranged on the top of the base plate.

[0007] The disassembly and assembly components include a U-shaped frame and a lifting plate. The U-shaped frame is fixedly installed on the top of the base plate, and the lifting plate is slidably installed in the interior of the U-shaped frame along the vertical direction through a hydraulic cylinder. A fixing bar is fixedly installed on one side of the bottom of the lifting plate, and a positioning bar for positioning the cutting blade is slidably installed at the bottom of the lifting plate.

[0008] The disassembly and assembly components also include a support block and a limit block. Support blocks are fixedly installed on both ends of the fixed bar, sliding blocks are elastically installed on the upper and lower sides of the support block, and a U-shaped plate is arranged on the outside of the support block. The two sides of the inner cavity of the U-shaped plate are rotatably connected through a rotating shaft and the ends of the two sliding blocks that are away from each other, and limit blocks that are engaged with the U-shaped plate are fixedly installed on both ends of the positioning bar.

[0009] Preferably, sliding grooves are symmetrically provided on the upper and lower sides of the support block, and the two sliding blocks are slidably installed in the inner cavities of the two sliding grooves respectively, and a return spring connected to the inner wall of the sliding groove is fixedly installed on one side of the two sliding blocks.

[0010] Preferably, a rubber strip for improving the stability of the cutting blade is fixedly installed on adjacent sides of the fixing strip and the positioning strip.

[0011] Preferably, a plurality of fixing columns are fixedly installed in a straight line on one side of one of the rubber strips close to the cutting blade, and plug holes matching the fixing columns are provided in a straight line on the outer wall of the cutting blade.

[0012] Preferably, a plurality of slide grooves are provided at the bottom of the lifting plate in a straight line, a connecting block connected to the top of the positioning bar is slidably installed in the inner cavity of each of the slide grooves, and transmission grooves are symmetrically provided on both sides of the plurality of slide grooves, and guide wheels are symmetrically rotatably installed on both sides of the plurality of connecting blocks.

[0013] Preferably, a hydraulic cylinder is fixedly installed on the top of the U-shaped frame along the vertical direction, and the power output end of the hydraulic cylinder extends to the inside of the U-shaped frame and is fixedly connected to the top of the lifting plate.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The utility model provides a disassembly and assembly component, when the cutting blade needs to be replaced, the U-shaped plate is pushed again until the inner wall of the U-shaped plate and one side of the limit block are disengaged, and then the U-shaped plate is rotated to separate the U-shaped plate and the limit block from each other. At this time, the pressing force of the outer wall of the cutting blade disappears, so that the cutting blade is pulled out from between the positioning strip and the fixing strip, which is conducive to the rapid disassembly and assembly of the cutting blade. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the main structure of the utility model;

[0017] Figure 2 This is an assembly diagram of the lifting plate and positioning strip of the utility model;

[0018] Figure 3 It is the assembly drawing of the cutting blade and the disassembly and assembly equipment of the utility model;

[0019] Figure 4 This is an assembly diagram of the guide wheel and the lifting plate of the utility model;

[0020] Figure 5 For this utility model Figure 2 A magnified view of the structure at center A;

[0021] Figure 6 For this utility model Figure 4 A magnified view of the structure at point B.

[0022] In the figure: 1. bottom plate; 2. U-shaped frame; 3. slitting equipment; 4. positioning strip; 5. lifting plate; 6. cutting blade; 7. fixing strip; 8. supporting block; 9. U-shaped plate; 10. sliding block; 11. reset spring; 12. rubber strip; 13. limit block; 14. fixing column; 15. connecting block; 16. guide wheel. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-6 The present embodiment provides a slitting machine cutting blade replacement device, including a base plate 1 and a slitting device 3, the slitting device 3 is fixedly installed on the top of the base plate 1, wherein a reel-out roller and a reel-in roller are respectively installed on both sides of the top of the base plate 1, and the slitting device 3 is installed between the slitting roller and the reel-in roller. After the metal sheet outside the slitting roller passes through the slitting device 3, it is concentrated and reeled on the outside of the reel-in roller, which effectively prevents the entanglement of multiple metal sheets when transferring and reeling.

[0025] A cutting blade 6 for cutting metal sheets is arranged on the top of the base plate 1, and a disassembly assembly for quickly disassembling and assembling the cutting blade 6 is arranged on the top of the base plate 1. The cutting blade 6 is installed between the unwinding roller and the slitting device 3. When the metal sheets outside the winding roller are collected to a certain extent, the cutting blade 6 is used to cut the outside of the metal sheets, which is conducive to the rapid cutting of multiple metal sheets.

[0026] The disassembly and assembly components include a U-shaped frame 2 and a lifting plate 5. The U-shaped frame 2 is fixedly installed on the top of the base plate 1, and the lifting plate 5 is slidably installed in the interior of the U-shaped frame 2 along the vertical direction through a hydraulic cylinder. A hydraulic cylinder is fixedly installed in the top of the U-shaped frame 2 along the vertical direction. The power output end of the hydraulic cylinder extends to the interior of the U-shaped frame 2 and is fixedly connected to the top of the lifting plate 5. When the hydraulic cylinder is started, the lifting plate 5 moves up and down with the power output end of the hydraulic cylinder, and the lifting plate 5 is positioned after moving, which is beneficial to the up and down movement of the cutting blade 6 and exerting pressure on the outer wall of the metal sheet to achieve cutting of the metal sheet.

[0027] A fixing bar 7 is fixedly installed on one side of the bottom of the lifting plate 5, and a positioning bar 4 for positioning the cutting blade 6 is slidably installed on the bottom of the lifting plate 5, wherein the cutting blade 6 is installed between the fixing bar 7 and the positioning bar 4, and then the positioning bar 4 is moved to make the two sides of the cutting blade 6 fit tightly with the fixing bar 7 and the side walls of the positioning bar 4 respectively, and the positioning bar 4 after the move is fixed, and the cutting blade 6 is fixed by friction under the clamping of the fixing bar 7 and the positioning bar 4.

[0028] The disassembly and assembly components also include a support block 8 and a limit block 13. Support blocks 8 are fixedly installed on both ends of the fixed bar 7. Sliding blocks 10 are elastically installed on the upper and lower sides of the support block 8. Sliding grooves are symmetrically provided on the upper and lower sides of the support block 8. The two sliding blocks 10 are respectively slidably installed in the inner cavities of the two sliding grooves, wherein the sliding grooves can limit the sliding trajectory of the sliding block 10, which is beneficial to improve the stability of the sliding block 10 moving back and forth.

[0029] A return spring 11 connected to the inner wall of the sliding groove is fixedly installed on one side of the two sliding blocks 10, wherein the return spring 11 can apply a continuous thrust to the sliding block 10 to move away from the positioning bar 4, which is conducive to the return of the sliding block 10 after movement.

[0030] A U-shaped plate 9 is provided on the outside of the support block 8. The two sides of the inner cavity of the U-shaped plate 9 are rotatably connected by a rotating shaft and two sliding blocks 10 at one end away from each other. The left and right ends of the positioning bar 4 are fixedly installed with limit blocks 13 that engage with the U-shaped plate 9. When the fixing bar 7 and the positioning bar 4 clamp the two sides of the cutting blade 6 at the same time, the U-shaped plate 9 is pushed to approach the positioning bar 4. After the U-shaped plate 9 moves a certain distance, the U-shaped plate 9 is rotated until it is sleeved on the outside of the limit block 13, so that the inner wall of the U-shaped plate 9 and the side of the limit block 13 away from the fixing bar 7 are fit together. At the same time, under the action of the reset spring 11, pressure is applied to the two sliding blocks 10, thereby improving the tightness of the fit between the U-shaped plate 9 and the limit block 13.

[0031] Furthermore, when the cutting blade 6 needs to be replaced, the U-shaped plate 9 is pushed again until the inner wall of the U-shaped plate 9 and one side of the limit block 13 are disengaged, and then the U-shaped plate 9 is rotated to separate the U-shaped plate 9 and the limit block 13 from each other. At this time, the pressing force on the outer wall of the cutting blade 6 disappears, thereby pulling the cutting blade 6 out from between the positioning strip 4 and the fixing strip 7, which is conducive to the rapid disassembly and assembly of the cutting blade 6 and reduces the time and effort required for disassembly and assembly of the cutting blade 6.

[0032] Embodiment 2, according to Figure 1-6 , further improvements made on the basis of Example 1:

[0033] A rubber strip 12 for improving the stability of the cutting blade 6 is fixedly installed on the adjacent side of the fixing strip 7 and the positioning strip 4. When the cutting blade 6 is placed between the positioning strip 4 and the fixing strip 7, both sides of the cutting blade 6 are simultaneously in contact with the outer walls of the two rubber strips 12, which is beneficial to the soft connection between the cutting blade 6 and the fixing strip 7 and the outer wall of the positioning strip 4, thereby protecting the cutting blade 6 and improving the friction force of the outer surface of the cutting blade 6, thereby further improving the stability of the cutting blade 6 when installed between the fixing strip 7 and the positioning strip 4.

[0034] One side of the rubber strips 12 close to the cutting blade 6 is fixedly installed with a plurality of fixing columns 14 in a straight line, and the outer wall of the cutting blade 6 is provided with plug holes compatible with the fixing columns 14 in a straight line. When the rubber strip 12 and the outer wall of the cutting blade 6 are fitted together, the plurality of fixing columns 14 are inserted into the plurality of plug holes, which is beneficial to the positioning of the cutting blade 6 and prevents the cutting blade 6 from shaking when cutting the metal sheet.

[0035] A plurality of slide grooves are provided at the bottom of the lifting plate 5 in a straight line, and connection blocks 15 connected to the top of the positioning bar 4 are slidably installed in the inner cavities of the plurality of slide grooves. When the positioning bar 4 moves back and forth, the plurality of connection blocks 15 slide inside the plurality of slide grooves, which is beneficial to limit the sliding trajectory of the positioning bar 4 and improves the stability of the back and forth movement of the positioning bar 4.

[0036] Transmission grooves are symmetrically provided on both sides of the multiple slide grooves, and guide wheels 16 are symmetrically rotatably installed on both sides of the multiple connection blocks 15. When the connection block 15 slides along the inner cavity of the slide groove, the guide wheel 16 rotates along its own axial direction and provides support for the connection block 15 to prevent the connection block 15 from detaching from the inside of the slide groove. At the same time, under the action of the guide wheel 16, the resistance generated by the back and forth movement of the connection block 15 can be reduced, thereby improving the smoothness of the back and forth movement of the connection block 15.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A slitting machine cutting blade replacement device, characterized in that: The invention comprises a bottom plate (1) and a stripping device (3), wherein the stripping device (3) is fixedly mounted on the top of the bottom plate (1), a cutting blade (6) for cutting metal sheets is arranged on the top of the bottom plate (1), and a disassembly assembly for quickly disassembling the cutting blade (6) is arranged on the top of the bottom plate (1); The disassembly assembly comprises a U-shaped frame (2) and a lifting plate (5), wherein the U-shaped frame (2) is fixedly mounted on the top of the bottom plate (1), and the lifting plate (5) is slidably mounted in the interior of the U-shaped frame (2) along the vertical direction by means of a hydraulic cylinder, a fixing strip (7) is fixedly mounted on one side of the bottom of the lifting plate (5), and a positioning strip (4) for positioning the cutting blade (6) is slidably mounted on the bottom of the lifting plate (5); The disassembly and assembly component also includes a support block (8) and a limit block (13), the left and right ends of the fixed bar (7) are fixedly mounted with support blocks (8), the upper and lower sides of the support block (8) are elastically mounted with sliding blocks (10), and a U-shaped plate (9) is arranged outside the support block (8), the inner cavity of the U-shaped plate (9) is rotatably connected at both sides through a rotating shaft and the ends of the two sliding blocks (10) that are away from each other, and the left and right ends of the positioning bar (4) are fixedly mounted with limit blocks (13) that are engaged with the U-shaped plate (9).

2. The slitting machine cutting blade replacement device according to claim 1, characterized in that: The support block (8) is symmetrically provided with sliding grooves on the upper and lower sides, and two sliding blocks (10) are respectively slidably installed in the inner cavities of the two sliding grooves, and a return spring (11) connected to the inner wall of the sliding groove is fixedly installed on one side of the two sliding blocks (10).

3. The slitting machine cutting blade replacement device according to claim 1, characterized in that: A rubber strip (12) for improving the stability of the cutting blade (6) is fixedly installed on adjacent sides of the fixing strip (7) and the positioning strip (4).

4. The slitting machine cutting blade replacement device according to claim 3, characterized in that: A plurality of fixing columns (14) are fixedly installed in a straight line on one side of one of the rubber strips (12) close to the cutting blade (6), and plugging holes matching the fixing columns (14) are arranged in a straight line on the outer wall of the cutting blade (6).

5. The slitting machine cutting blade replacement device according to claim 1, characterized in that: The bottom of the lifting plate (5) is provided with a plurality of sliding grooves distributed in a straight line, and a connecting block (15) connected to the top of the positioning strip (4) is slidably installed in the inner cavity of each of the plurality of sliding grooves, and transmission grooves are symmetrically provided on both sides of the plurality of sliding grooves, and guide wheels (16) are symmetrically rotatably installed on both sides of the plurality of connecting blocks (15).

6. The slitting machine cutting blade replacement device according to claim 1, characterized in that: A hydraulic cylinder is fixedly mounted on the top of the U-shaped frame (2) in the vertical direction, and a power output end of the hydraulic cylinder extends to the inside of the U-shaped frame (2) and is fixedly connected to the top of the lifting plate (5).

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