Slitting machine with blade gap adjustment

Abstract

The present application relates to the technical field of slitting machine, and particularly relates to a slitting machine with blade gap adjusting structure, which comprises a machine base, a machine box arranged on the machine base, a fixed arch and a movable arch arranged on the machine box, an upper blade shaft and a lower blade shaft arranged between the fixed arch and the movable arch, a blade disc arranged on the upper blade shaft and the lower blade shaft, and a blade. The slitting machine with the blade gap adjusting structure can quickly complete the axial position adjustment of the blade, without the need of disassembling the blade shaft and complex auxiliary accessories, so that the adjusting operation process is simplified. The precise positioning is realized by the cooperation of the positioning hole and the locking bolt, the uniform and stable gap between the adjacent blades is ensured, the shearing precision is improved, the locking is firm after the adjustment, the gap deviation does not occur due to the vibration and the shearing force during the operation of the equipment, the stable slitting effect can be maintained for a long time, and the quality of the plate finished product is improved.

Description

Technical Field

[0001] This invention relates to the field of slitting machine technology, specifically to a slitting machine with a blade gap adjustment structure. Background Technology

[0002] As a core piece of equipment in sheet metal slitting, slitting machines are widely used in continuous shearing operations of coils such as stainless steel, cold-rolled steel, and aluminum sheets. The precision of the blade gap control directly determines the slitting quality and production efficiency. Currently, traditional slitting machines generally suffer from inconvenient and inaccurate blade gap adjustment during actual use. Traditional equipment relies heavily on shims, sleeves, and other components for gap adjustment, which is cumbersome, time-consuming, and inefficient, easily leading to cumulative errors and making it difficult to ensure uniform spacing between adjacent blades. Furthermore, the blade gap is easily affected by vibration and stress during operation, resulting in poor stability and a significant decrease in shearing precision after long-term use. In addition, traditional structures lack adaptable automatic cleaning configurations, allowing metal debris and oil to accumulate between the blades, further exacerbating gap deviations and causing defects such as burrs, edge collapse, and uneven width at the sheared edges. This affects finished product quality, increases subsequent maintenance costs and labor input, and fails to meet the demands of high-precision, high-efficiency modern metal slitting. Summary of the Invention

[0003] The purpose of this invention is to provide a slitting machine with a blade gap adjustment structure to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, the present invention provides the following technical solution: a slitting machine with a blade gap adjustment structure, comprising a machine base, a machine housing mounted on the machine base, a fixed frame and a movable frame mounted on the machine housing, an upper cutter shaft and a lower cutter shaft mounted between the fixed frame and the movable frame, and a cutter disc and blades mounted on the upper cutter shaft and the lower cutter shaft.

[0005] Both the upper and lower cutter shafts have mounting grooves along the axial direction. Several positioning holes are spaced apart along the length of the mounting groove. An adjusting block that can slide along the groove is installed in the mounting groove. The adjusting block is fixedly connected to the cutter head. A bolt hole is opened between the cutter head and the adjusting block. A locking bolt that matches the positioning hole is installed in the bolt hole. A drive assembly is located on the outside of the fixed archway. The drive assembly is connected to the cleaning assembly. The cleaning end of the cleaning assembly is attached to the side of the blade. A power assembly is located inside the machine housing. The power assembly is connected to the upper and lower cutter shafts through a transmission assembly.

[0006] Preferably, the drive assembly includes a motor fixed to the fixed archway, a lead screw connected to the output end of the motor, and a lead screw nut block that cooperates with the lead screw; the cleaning assembly includes a mounting bracket connected to the lead screw nut block and an arc-shaped cleaning block fixed to the mounting bracket.

[0007] Preferably, the lead screw nut block has a lifting groove, and a connecting rod is slidably connected in the lifting groove, with the connecting rod being fixedly connected to the mounting frame.

[0008] Preferably, the base is equipped with a cylinder, the output end of which is connected to a push rod, the push rod is hinged to an eccentric rod, and the eccentric rod is fixedly connected to the chassis through a connecting frame.

[0009] Preferably, the chassis is provided with a bearing seat and a long shaft, and a buffer spring and a pressure bar are provided between the bearing seat and the chassis. The chassis is fixedly connected to a side plate, and a slidable crossbar is provided inside the side plate. Compression springs are connected between the crossbars.

[0010] Preferably, the top of the chassis is provided with a slide rail and a slider, and the chassis is provided with motor two and motor three; motor two is connected to the base through a lead screw and drives the fixed archway to move, and motor three is connected to the sliding seat through a lead screw and drives the movable archway to move.

[0011] Preferably, both the upper and lower cutter shafts are connected to a transmission box, and the transmission box is slidably connected to the fixed archway and the movable archway. The top of the transmission box is equipped with a lead screw mechanism one, a lead screw mechanism two, and a lead screw mechanism three.

[0012] Preferably, the cutter head has two radially formed bolt holes, and the blade is fixedly connected to the cutter head by mounting bolts. The power component includes a motor, and the transmission component includes a gear set. The motor drives the upper and lower cutter shafts to rotate synchronously through the gear set.

[0013] Compared with the prior art, the beneficial effects of the present invention are: 1. This slitting machine with a blade gap adjustment structure can quickly adjust the axial position of the blades by using mounting grooves, positioning holes, adjusting blocks, and locking bolts on the upper and lower blade shafts. This eliminates the need to disassemble the blade shafts and complex auxiliary parts, simplifying the adjustment process. The positioning holes and locking bolts ensure precise positioning, eliminating the cumulative errors caused by traditional shims and sleeves, ensuring uniform and stable gaps between adjacent blades, improving shearing accuracy. After adjustment, the machine is securely locked, preventing gap shifts due to vibration or shearing forces during operation. It maintains stable slitting results even after long-term use, improving the quality of the finished sheet material.

[0014] 2. This slitting machine with a blade gap adjustment structure features an automatic cleaning component driven by a motor, lead screw, and lead screw nut block, mounted on the outside of the fixed frame. The arc-shaped cleaning block reciprocates close to the side of the blade, automatically removing metal debris, oil, and other impurities from the blade gap. The cleaning process requires no manual operation and can be completed automatically during production breaks or when the machine is stopped. This keeps the blades clean and sharp, preventing impurities from affecting the gap accuracy and shearing effect. It effectively reduces blade wear, extends blade life, lowers equipment maintenance frequency and consumable costs, and improves the continuous operation capability of the equipment.

[0015] 3. This slitting machine with blade gap adjustment mechanism achieves multi-dimensional position adjustment through a chassis drive mechanism composed of cylinders, eccentric rods, and connecting frames, as well as a motor-driven arch position adjustment mechanism and a screw-driven cutter shaft lifting mechanism. This allows for flexible adaptation to the processing needs of metal sheets of different materials, thicknesses, and widths. Combined with buffer springs and compression springs for cushioning and clamping, it reduces equipment vibration, ensures smooth and non-deviation-prone sheet conveying, and improves overall machine stability and versatility. The equipment is easy to operate, highly adaptable, and can meet diverse processing scenarios, improving production efficiency and equipment utilization. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of the overall structure of the slitting machine of the present invention; Figure 2 This is a schematic diagram of the back structure of the slitting machine of the present invention; Figure 3 for Figure 2 Enlarged schematic diagram of the structure at point A in the middle; Figure 4 This is a schematic diagram of the gear assembly installation structure of the present invention; Figure 5 for Figure 4 Enlarged schematic diagram of the structure at point B; Figure 6 This is a schematic diagram of the internal structure of the fixed archway of the present invention; Figure 7 This is a schematic diagram of the internal structure of the chassis of the present invention; Figure 8 This is a schematic diagram of the tool shaft mounting structure of the present invention; Figure 9 This is a schematic diagram of the lead screw and arc-shaped cleaning block structure of the present invention; Figure 10 These are top views of the upper and lower tool shafts of the present invention; Figure 11 for Figure 10 Enlarged schematic diagram of the structure at point C; Figure 12 This is a schematic diagram of the cutter head mounting structure of the present invention; Figure 13 This is a schematic diagram of the blade and cutting tool mounting structure of the present invention.

[0018] In the diagram: 1. Base; 101. Motor II; 102. Base; 103. Motor III; 104. Sliding seat; 105. Slide rail; 106. Slider; 2. Chassis; 201. Cylinder; 202. Push rod; 203. Eccentric rod; 204. Connecting frame; 205. Bearing seat; 206. Long shaft; 207. Buffer spring; 208. Pressure bar; 3. Movable archway; 4. Fixed archway; 5. Motor; 501. Lead screw; 502. Lead screw nut block; 503. Lifting groove; 504. Connecting rod; 505 506. Mounting bracket; 6. Arc-shaped cleaning block; 7. Side plate; 8. Compression spring; 9. Crossbar; 10. Motor; 11. Gear set; 12. Support; 13. Transmission box; 14. Upper cutter shaft; 15. Lower cutter shaft; 16. Mounting groove; 17. Positioning hole; 18. Cutter disc; 19. Bolt hole 1; 20. Adjusting block; 21. Locking bolt; 22. Blade; 33. Mounting bolt; 44. Bolt hole 2; 55. Four-bar linkage 1; 6. Lead screw mechanism 2; 75. Lead screw mechanism 3. Detailed Implementation

[0019] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0020] In this invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0021] Please see Figures 1-13 This invention provides a technical solution: a slitting machine with a blade gap adjustment structure, mainly used for continuous slitting of metal coils and sheets, suitable for processing various metal materials such as stainless steel, cold-rolled steel, aluminum plates, and galvanized plates. The whole machine is supported by a base 1, with a chassis 2 as the main mounting carrier. The fixed archway 4 and the movable archway 3 form the cutter shaft support frame. The upper cutter shaft 904 and the lower cutter shaft 905 are the core shearing components, and the cutter disc 908 and the blades 912 are the components that directly perform the shearing. It is equipped with a gap adjustment mechanism, an automatic cleaning mechanism, a transmission mechanism, a buffer clamping mechanism, a guiding feeding mechanism, and a position adjustment mechanism to achieve high-precision, high-efficiency, and high-stability slitting operations.

[0022] The slitting machine of this invention mainly consists of a base 1, a machine box 2, a movable archway 3, a fixed archway 4, a motor 5, a side plate 6, a compression spring 7, a crossbar 8, a first motor 9, a first lead screw mechanism 10, a second lead screw mechanism 11, a third lead screw mechanism 13, an upper cutter shaft 904, a lower cutter shaft 905, a cutter disc 908, a blade 912, a cleaning assembly, a transmission assembly, a buffer assembly, and a guide assembly.

[0023] The base 1 is made of integral cast steel or welded thick steel plate, with anchor bolt holes at the bottom for fixing to the ground to ensure the machine operates without shaking. The top of the base 1 has a sliding mating surface for sliding connection with the casing 2; the surface roughness of the sliding surface is no higher than Ra1.6 to ensure smooth, unobstructed sliding. The side of the base 1 has a pre-drilled mounting surface for fixing components such as the cylinder 201 and bearing housing 205; this mounting surface is milled, with a flatness error of no more than 0.05 mm / m.

[0024] The chassis 2 is a frame-type welded structure, internally housing the motor, lead screw, and transmission components, and externally mounting the cutter shaft, guide mechanism, and other components. The bottom of chassis 2 is slidably connected to the base 1, allowing for overall forward and backward movement driven by cylinder 201. This movement is used for fine-tuning the shearing position, avoiding obstacles during tool changes, and for maintenance. The top of chassis 2 is machined with a mounting reference surface for mounting the slide rail 105, support 902, fixed cutter shaft 4, and movable cutter shaft 3. The parallelism error of the reference surface is no greater than 0.03 mm / m, ensuring the cutter shaft is installed horizontally.

[0025] Both the fixed archway 4 and the movable archway 3 are vertical archway structures, made of thick steel plates with precision machining, possessing sufficient rigidity to prevent deformation during shearing. The fixed archway 4 and the movable archway 3 are positioned opposite each other, forming a space between them for the installation of the cutter shafts. The upper cutter shaft 904 and the lower cutter shaft 905 are horizontally mounted between the two archways. The position of the fixed archway 4 can be adjusted by motor 101, and the position of the movable archway 3 can be adjusted by motor 103. The distance between them can be flexibly adjusted according to the width of the sheet metal, the length of the cutter shafts, and the number of blade sets to adapt to different processing specifications.

[0026] A chassis drive mechanism is provided between the base 1 and the chassis 2, specifically including a cylinder 201, a push rod 202, an eccentric rod 203, and a connecting frame 204. The tail of the cylinder 201 is fixed to the side of the base 1 via a hinged seat. The output end of the cylinder 201 is hinged to the push rod 202, and the end of the push rod 202 away from the cylinder 201 is fixedly connected to the eccentric rod 203. A pivot hole is provided in the middle of the eccentric rod 203, which is hinged to the side of the base 1 via a pin, allowing the eccentric rod 203 to rotate around the pin. The end of the eccentric rod 203 away from the push rod 202 is fixed to the connecting frame 204, and the other end of the connecting frame 204 is fixed to the side wall of the chassis 2.

[0027] When cylinder 201 extends, it pushes the push rod 202 forward, causing the eccentric rod 203 to rotate clockwise around the pin, which in turn moves the housing 2 forward via the connecting frame 204. When cylinder 201 retracts, it pulls the push rod 202 backward, causing the eccentric rod 203 to rotate counterclockwise, and the housing 2 moves backward. This mechanism uses the principle of eccentric levers to amplify the drive stroke, improve displacement control accuracy, and avoid the impact of direct rigid drive, making the movement of housing 2 smooth.

[0028] A buffer clamping mechanism is installed on the side of the chassis 2, including a bearing housing 205, a long shaft 206, a buffer spring 207, and a pressure bar 208. The bearing housing 205 is a sliding or rolling bearing housing, with the long shaft 206 installed internally. The long shaft 206 is used for auxiliary support, guidance, or transmission. The top of the bearing housing 205 is fixed to the lower end of the buffer spring 207, the upper end of the buffer spring 207 is fixed to the pressure bar 208, and the top of the pressure bar 208 is fixed to the side wall of the chassis 2. The buffer spring 207 is a rectangular spring or a cylindrical helical compression spring with moderate stiffness, absorbing vibration during equipment operation, preventing the long shaft 206 from running and ensuring smooth transmission. The pressure bar 208 is made of stamped steel plate with a galvanized surface for rust prevention and is bolted to the chassis 2 for easy disassembly and replacement.

[0029] The top of the housing 2 is equipped with a slide rail 105 and a slider 106. The slide rail 105 is a linear guide rail with an accuracy class of H. The slider 106 and the slide rail 105 are fitted with a clearance fit, resulting in low sliding resistance and high positioning accuracy. The slide rails 105 are arranged laterally along the housing 2, with two rails in parallel to ensure that the fixed archway 4 and the movable archway 3 do not tilt when moving.

[0030] Motor 2 (101) and Motor 3 (103) are installed inside chassis 2. Both are servo motors with built-in encoders, enabling precise control of speed and displacement. Motor 2 (101) has its output connected to a ball screw, the other end of which is fixed inside chassis 2 via a bearing. A ball screw nut is fitted onto the ball screw, with its top fixed to base 102. The top of base 102 is fixed to the bottom of fixed archway 4. When motor 2 (101) rotates, it drives the ball screw to rotate, causing the ball screw nut to move axially along the ball screw, which in turn drives base 102 and fixed archway 4 to move laterally along slide rail 105.

[0031] The output end of motor 3 (103) is also connected to a ball screw, which is fitted with a screw nut. The top of the nut is fixed to the sliding seat 104, and the top of the sliding seat 104 is fixed to the bottom of the movable archway 3. When motor 3 (103) rotates, it drives the sliding seat 104 and the movable archway 3 to move along the slide rail 105. By controlling the direction and speed of motor 2 (101) and motor 3 (103) respectively, the positions of the fixed archway 4 and the movable archway 3 can be adjusted independently, realizing the expansion, reduction, or synchronous movement of the distance between the two archways, meeting the needs of different cutter shaft installation lengths and different plate processing widths. After adjustment, the screw has a self-locking function to prevent the archways from shifting under shearing force, ensuring processing accuracy.

[0032] The top of the chassis 2 is fixed with a support 902, which is made of cast iron, has high rigidity and good shock absorption, and is used to install motor 9 and gear set 901. Motor 9 is a variable frequency speed control motor, which can adjust the shearing speed according to the material and thickness of the sheet metal, and has a large output torque and smooth operation. The output end of motor 9 is connected to gear set 901, which consists of a driving gear, a driven gear, and an intermediate gear. It is precision machined with hardened tooth surfaces, has small meshing clearance, high transmission efficiency, and low noise.

[0033] Gear set 901 is connected to the upper cutter shaft 904 and the lower cutter shaft 905 respectively, driving the upper cutter shaft 904 and the lower cutter shaft 905 to rotate synchronously in opposite directions at the same speed, forming a shearing engagement action to achieve continuous slitting of the sheet metal. Both the upper cutter shaft 904 and the lower cutter shaft 905 are made of 40Cr alloy steel with quenching and tempering treatment and surface hardening, achieving a hardness of HRC58-62, high bending strength, good wear resistance, and no deformation after long-term use.

[0034] Both ends of the upper cutter shaft 904 and the lower cutter shaft 905 are equipped with transmission boxes 903. The transmission boxes 903 contain bearings and transmission components to support the cutter shafts and transmit torque. The outer side of the transmission box 903 is slidably connected to the inner walls of the fixed archway 4 and the movable archway 3. The sliding surface uses wear-resistant copper sleeves or linear guides to ensure smooth lifting. The top of the transmission box 903 is connected to three lead screw mechanisms: lead screw mechanism one 10, lead screw mechanism two 11, and lead screw mechanism three 13. Each of the three lead screw mechanisms consists of a servo motor, a ball screw, and a lead screw nut, with identical structure and synchronized operation.

[0035] Screw mechanisms 10, 11, and 13 operate synchronously, driving the transmission box 903 to rise and fall along the inner wall of the archway. This, in turn, moves the upper cutter shaft 904 and lower cutter shaft 905 up and down, adjusting the distance between the upper and lower cutter shafts to accommodate plates of different thicknesses. The cutter shaft lifting accuracy can reach 0.01mm, ensuring a uniform shearing gap and avoiding problems such as burrs, indentations, and material breakage. After reaching the lifting position, the screws self-lock, fixing the cutter shaft position and preventing it from shifting under shearing force.

[0036] The cylindrical surfaces of the upper cutter shaft 904 and the lower cutter shaft 905 are provided with mounting grooves 906 along the axial direction. The mounting grooves 906 are rectangular through grooves that penetrate the entire length of the cutter shafts. The groove wall roughness is no higher than Ra1.6 to ensure smooth sliding of the adjusting block 910. Multiple sets of positioning holes 907 are evenly spaced along the length of the bottom inner wall of the mounting groove 906. The positioning holes 907 are either threaded or smooth holes, and the hole spacing is set according to the minimum shearing width, typically 5mm, 10mm, or 15mm, to meet different slitting width requirements. The positioning holes 907 have the same diameter and depth to ensure the locking bolts 911 are securely fixed.

[0037] An adjusting block 910 is installed inside the mounting slot 906. The adjusting block 910 is a rectangular slider that fits the mounting slot 906 with a clearance of no more than 0.02mm, allowing it to slide freely along the mounting slot 906 without wobbling or jamming. The top of the adjusting block 910 is fixedly connected to the bottom of the cutter head 908 by welding or bolting to ensure no relative displacement between them. The cutter head 908 is a circular steel disc, with its center fitting the outer diameter of the cutter shaft, and its outer circumference used to mount the cutting blades 912.

[0038] A through bolt hole 909 is formed on the upper surface of the cutter head 908 and inside the adjusting block 910. The bolt hole 909 is a through hole with an inner diameter that matches the outer diameter of the locking bolt 911. The locking bolt 911 is an internal hex bolt that passes downward from the top of the cutter head 908 into the bolt hole 909, with its lower end extending into the positioning hole 907. It is threaded or tightly fitted into the positioning hole 907, thereby achieving axial positioning of the adjusting block 910 and the cutter head 908 on the cutter shaft.

[0039] The blade gap adjustment steps are as follows: 1. Loosen the locking bolt 911 so that the adjusting block 910 can slide within the mounting groove 906; 2. According to the required slitting width, push the cutter head 908 to move the adjusting block 910 along the mounting groove 906 to the corresponding positioning hole 907 position; 3. Tighten the locking bolt 911 to firmly fix its lower end in the positioning hole 907, thus restricting the axial movement of the cutter head 908; 4. Adjust the position of all cutter heads 908 in sequence so that the gap between adjacent cutters 912 is equal to the target slitting width.

[0040] This adjustment method is simple to operate, precise in positioning, and securely locked. The adjustment process does not require disassembling the cutter shaft and can be completed in just a few minutes, significantly improving changeover efficiency. Compared to traditional shim and sleeve adjustments, this structure has no cumulative error, good gap consistency, and significantly improved shearing accuracy.

[0041] Bolt holes 914 are radially formed on the side of the cutter head 908, and mounting holes are correspondingly formed on the inner side of the blade 912. Mounting bolts 913 pass through the blade 912 and are threaded into bolt holes 914, securely fixing the blade 912 to the outer circumference of the cutter head 908. The blade 912 is made of high-speed steel or cemented carbide, with a sharp cutting edge and good wear resistance, allowing for repeated sharpening and reuse. The blade 912 is detachably connected to the cutter head 908, facilitating individual blade replacement and reducing operating costs.

[0042] An automatic blade cleaning mechanism is installed on the outside of the fixed archway 4, including a motor 5, a lead screw 501, a lead screw nut block 502, a connecting rod 504, a mounting bracket 505, and an arc-shaped cleaning block 506. The motor 5 is a geared motor or a servo motor, fixed to the top or side wall of the fixed archway 4, with its output end vertically downward connected to the lead screw 501, driving the lead screw 501 to rotate.

[0043] The lead screw 501 is a ball screw, which has high precision and low friction. The lead screw nut block 502 is sleeved on the outside of the lead screw 501 and is threaded into the lead screw 501. A vertical lifting groove 503 is opened on the back of the lead screw nut block 502. The lifting groove 503 is a T-slot or dovetail groove, and a connecting rod 504 is slidably connected inside. The connecting rod 504 can slide freely up and down along the lifting groove 503 to adapt to the change in the distance between the upper cutter shaft 904 and the lower cutter shaft 905.

[0044] The end of the connecting rod 504 away from the lifting groove 503 is fixed to the mounting bracket 505, which is a metal bracket. An arc-shaped cleaning block 506 is fixed to the side facing the blade 912. The arc-shaped cleaning block 506 is made of wear-resistant rubber, felt, or copper wire brush, and its curvature matches the outer circumference of the blade 912, with the cleaning surface closely adhering to the side of the blade 912.

[0045] After motor 5 starts, lead screw 501 rotates, causing lead screw nut block 502 to move up and down along lead screw 501. This, in turn, drives arc-shaped cleaning block 506 to reciprocate along the side of blade 912 via connecting rod 504 and mounting bracket 505, automatically removing metal debris, scale, oil, and other impurities from the blade gap. The cleaning process requires no manual operation and can run automatically during shearing intervals and when the machine is stopped, keeping the blade clean and sharp, preventing impurities from affecting shearing accuracy, and extending blade life.

[0046] The front end of the chassis 2 is fixed with side plates 6, which consist of two symmetrical pieces arranged on the left and right sides for mounting the guide mechanism. The inner wall of the side plates 6 has grooves through which two crossbars 8 are slidably connected. The crossbars 8 are smooth round or square shafts, arranged in parallel to form a conveying channel for the sheet metal. A compression spring 7, which is either a tension spring or a compression spring, is connected between the two crossbars 8 to provide elastic clamping force.

[0047] The sheet material to be sheared is fed between two crossbars 8. A compression spring 7 pushes the crossbars 8 towards the sheet material, elastically pressing it to prevent jumping, shifting, or wrinkling during transport. The crossbars 8 can be finely adjusted up and down along the grooves of the side plate 6 to accommodate sheets of different thicknesses. The guiding mechanism ensures straight-line transport of the sheet material, perpendicular to the cutter shaft, guaranteeing uniform slitting width and neat edges, thus improving the yield rate.

[0048] Installation preparation: Fix the base 1 to the ground and level the machine; install the casing 2, arch, cutter shaft, and blade 912; connect the power supply and air supply, and check the lubrication of each component.

[0049] Parameter adjustment, blade gap adjustment: Loosen the locking bolt 911, move the cutter head 908 to the target position, and tighten the locking bolt 911; Cutter shaft spacing adjustment: Start the lead screw mechanism and adjust the spacing between the upper cutter shaft 904 and the lower cutter shaft 905 to match the thickness of the sheet material; Adjusting the distance between the archways: Start motor 2 (101) and motor 3 (103) to adjust the distance between the fixed archway 4 and the movable archway 3; Guide mechanism adjustment: Adjust the position of the crossbar 8 so that the compression spring 7 presses the plate appropriately.

[0050] Start the operation by starting motor 9, which drives the upper cutter shaft 904 and lower cutter shaft 905 to rotate synchronously through gear set 901; the plate is fed into the guide channel of crossbar 8, and the plate automatically enters the cutting area of ​​blade 912 to complete continuous longitudinal cutting.

[0051] Automatic cleaning: During the shearing process or after the machine stops, the motor 5 is started, and the arc-shaped cleaning block 506 moves along the blade 912 to clean and remove impurities.

[0052] Shut down the machine for maintenance, turn off the power and air supply; loosen the 912 blade, check the wear of the cutting edge, and sharpen or replace it if necessary; clean the debris inside the equipment and check whether the connecting bolts are loose.

[0053] Base 1 and chassis 2: Welded from Q235 steel plates, stress relieved by aging treatment; Cutter shaft and cutter head 908: 40Cr alloy steel, tempered and surface hardened; 912 blade: W6Mo5Cr4V2 high-speed steel or cemented carbide; Positioning hole 907: diameter: M6-M12, hole spacing: 5-20mm; Tool shaft coaxiality: ≤0.02mm; Blade 912 end face runout: ≤0.01mm; The clearance between the adjusting block 910 and the mounting groove 906 is ≤0.02mm.

[0054] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0055] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A slitting machine with a blade gap adjustment structure, comprising a machine base (1), a machine housing (2) mounted on the machine base (1), a fixed arch (4) and a movable arch (3) mounted on the machine housing (2), an upper cutter shaft (904) and a lower cutter shaft (905) positioned between the fixed arch (4) and the movable arch (3), a cutter disc (908) and a blade (912) mounted on the upper cutter shaft (904) and the lower cutter shaft (905), characterized in that: Both the upper cutter shaft (904) and the lower cutter shaft (905) have mounting grooves (906) along the axial direction. Several positioning holes (907) are provided at intervals along the length direction in the mounting groove (906). An adjusting block (910) that can slide along the groove is provided in the mounting groove (906). The adjusting block (910) is fixedly connected to the cutter head (908). The cutter head (908) and the adjusting block (910) have a through bolt hole (909). A locking bolt (911) that matches the positioning hole (907) is provided in the bolt hole (909). The fixed archway (4) is provided with a drive component on the outside. The drive component is connected to the cleaning component. The cleaning end of the cleaning component is attached to the side of the blade (912). The machine box (2) is provided with a power component. The power component is connected to the upper cutter shaft (904) and the lower cutter shaft (905) through the transmission component.

2. The slitting machine with blade gap adjustment structure according to claim 1, characterized in that: The drive assembly includes a motor (5) fixed to the fixed archway (4), a lead screw (501) connected to the output end of the motor (5), and a lead screw nut block (502) cooperating with the lead screw (501); the cleaning assembly includes a mounting bracket (505) connected to the lead screw nut block (502) and an arc-shaped cleaning block (506) fixed to the mounting bracket (505).

3. The slitting machine with blade gap adjustment structure according to claim 2, characterized in that: The lead screw nut block (502) has a lifting groove (503), and a connecting rod (504) is slidably connected in the lifting groove (503). The connecting rod (504) is fixedly connected to the mounting bracket (505).

4. The slitting machine with blade gap adjustment structure according to claim 1, characterized in that: The base (1) is equipped with a cylinder (201), the output end of the cylinder (201) is connected to a push rod (202), the push rod (202) is hinged to an eccentric rod (203), and the eccentric rod (203) is fixedly connected to the chassis (2) through a connecting frame (204).

5. A slitting machine with a blade gap adjustment structure according to claim 1, characterized in that: The chassis (2) is provided with a bearing seat (205) and a long shaft (206). A buffer spring (207) and a pressure bar (208) are provided between the bearing seat (205) and the chassis (2). The chassis (2) is fixedly connected to a side plate (6). A sliding crossbar (8) is provided inside the side plate (6). A compression spring (7) is connected between the crossbars (8).

6. A slitting machine with a blade gap adjustment structure according to claim 1, characterized in that: The top of the chassis (2) is provided with a slide rail (105) and a slider (106). The chassis (2) is provided with a second motor (101) and a third motor (103). The second motor (101) is connected to the base (102) through a screw and drives the fixed archway (4) to move. The third motor (103) is connected to the sliding seat (104) through a screw and drives the movable archway (3) to move.

7. A slitting machine with a blade gap adjustment structure according to claim 1, characterized in that: The upper cutter shaft (904) and the lower cutter shaft (905) are both connected to the transmission box (903). The transmission box (903) is slidably connected to the fixed archway (4) and the movable archway (3). The top of the transmission box (903) is equipped with screw mechanism one (10), screw mechanism two (11) and screw mechanism three (13).

8. A slitting machine with a blade gap adjustment structure according to claim 1, characterized in that: The cutter head (908) has two bolt holes (914) in the radial direction. The blade (912) is fixed to the cutter head (908) by mounting bolts (913). The power component includes a motor (9) and the transmission component includes a gear set (901). The motor (9) drives the upper cutter shaft (904) and the lower cutter shaft (905) to rotate synchronously through the gear set (901).

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