Metal cutting machine

Abstract

The invention relates to the technical field of metal cutting machines, and particularly discloses a metal cutting machine. Comprising a base and a carrying table capable of rotating based on the base, and a cutting assembly is arranged at the tail of the carrying table and composed of a mounting part and a working part hinged to the mounting part. The working part comprises a driving part, a rotating head and a cutting tool, and the rotating head is provided with a first protective cover and a rotatable second protective cover. A first rotating rod is arranged at the hinged position of the mounting part and the working part, a second rotating rod is arranged on the second protective cover, the second rotating rod is arranged in a driving groove of the first rotating rod, and a driven section of the first rotating rod makes contact with a pressing wheel on the first protective cover. Through linkage of the first rotating rod, the second rotating rod and the pressing wheel, automatic cooperation of the second protective cover and cutting operation is achieved, the second protective cover is opened along with downward pressing of a working part during cutting and automatically closed along with resetting of the working part during non-operation, potential safety hazards caused by accidental exposure of a cutter in the non-operation state are effectively avoided, and operation safety is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of metal cutting machines, in particular to a metal cutting machine. BACKGROUND

[0002] In the field of metal cutting operations, the safety protection of cutting tools has always been a key issue of concern. In the traditional metal cutting machine, the problem of exposed cutting tools in the non-operation state is widespread, which has caused many safety hazards. For example, in the daily production environment of the factory, after the metal cutting machine completes the cutting task, if the cutting tool protection only relies on manual operation to close the protective cover, the worker may forget to close due to busy work or carelessness, causing the cutting tool to be exposed for a long time. In this case, if the cutting machine starts due to circuit failure, accidental touch of the switch and other unexpected factors, the high-speed rotating cutting tool will instantly cause serious cutting injuries to the surrounding people who have no defense, resulting in physical disability and even endangering life.

[0003] From the published patent documents, similar safety hazard problems have also been widely concerned. For example, the patent "CN211387089U, a gantry planer with cutting tool protection function" clearly points out that the existing gantry planer exposes the planer after use, which may be damaged by external objects during placement, and the operator may accidentally touch the planer, which may cause certain safety hazards and reduce the practicality of the device. This fully shows that in the field of mechanical processing equipment, the accidental exposure of cutting tools in the non-operation state is not an individual case, but has a certain universality. In the metal cutting industry, due to the sharper and faster rotating speed of the cutting tool of the cutting machine, the harm caused by this safety hazard is more serious.

[0004] In the development history of metal cutting equipment, many patents have been devoted to solving various technical problems. For example, the patent "CN209998731U, a bearing ring cutting device" focuses on the cutting operation of the bearing ring. Its background technology clearly points out that when cutting the bearing ring, the cutting tool is usually exposed. This exposed state will cause the cutting tool to start unexpectedly during the non-operation period of the equipment due to circuit failure, accidental touch of the switch and other unexpected factors, which will most likely cause serious injuries to the surrounding operators, posing a great safety risk, and the overall safety protection performance needs to be improved.

[0005] In addition, in some small processing workshops, the space is relatively narrow, and personnel move frequently. The exposed cutter is more likely to come into accidental contact with passing personnel. Moreover, when personnel who have not received professional training misoperate to start the cutting machine, the consequences of injury caused by the exposed cutter will be unimaginable. Therefore, solving the problem of safety hazards caused by accidental exposure of the cutter in a non-working state has extremely important practical significance for protecting the personal safety of metal cutting operation personnel and improving the safety of the production environment. SUMMARY

[0006] Therefore, the metal cutting machine provided by the embodiments of the present application solves the problem that, if the protective cover of the traditional cutting machine needs to be manually operated to be closed, the cutter may be exposed for a long time due to the negligence of the operator failing to close it in time. When the cutter is accidentally started, there is a lack of effective shielding, which can easily cause accidental injury to the surrounding personnel, and there is a serious safety risk.

[0007] The metal cutting machine provided by the embodiments of the present application comprises a base and a carrier that can rotate based on the base; the tail of the carrier is provided with a cutting assembly for cutting a workpiece; the cutting assembly comprises a mounting portion and a working component that is hinged to the mounting portion; the working component comprises a driving portion and a rotating head that is driven by the driving portion, and the rotating head is used for mounting a cutting tool; the rotating head is provided with a first protective cover and a second protective cover for covering the cutting tool, and the second protective cover is arranged outside the first protective cover and can rotate based on the first protective cover; the hinged portion of the mounting portion and the working component is further provided with a first rotating rod, and the second protective cover is provided with a second rotating rod; the other end of the first rotating rod is provided with a driving groove, and the second rotating rod is arranged in the driving groove; the first rotating rod is provided with a rotating section, a driven section and a first driving section arranged in an integrated manner; the first protective cover is provided with a pressing wheel at one end close to the first rotating rod, and the pressing wheel is in contact with the driven section.

[0008] Preferably, the mounting portion is provided with a displacement base; the displacement base is provided with a first displacement rod and a second displacement rod that can move based on the displacement base; the two ends of the first displacement rod and the second displacement rod are respectively provided with a first limiting seat and a second limiting seat; the working component can adjust the processing position based on the displacement base.

[0009] Preferably, the working component and the second limiting seat are hinged through a rotating shaft of a hinged seat, and the rotating shaft is provided with a first return spring; the second limiting seat is provided with a first clamping piece to limit the rotation of the working component based on the second limiting seat.

[0010] Preferably, the end of the first protective cover is provided with a fairing in a smooth connection; the fairing is provided with a first flow guide opening and a second flow guide opening for guiding the cutting smoke generated during cutting.

[0011] Preferably, the working component further comprises a first pressing handle provided in a hollow manner; the line of the driving part is arranged inside the first pressing handle.

[0012] Preferably, the first pressing handle is detachably provided with a second pressing handle at one end away from the driving part through a fastener; the second pressing handle is provided with a passage through which the line passes, and is provided with a switch connected with the line.

[0013] Preferably, the carrier is provided with a protruding part extending away from one end of the cutting assembly; the protruding part is provided with a cutting groove with the carrier.

[0014] Preferably, the base is provided with a plurality of clamping grooves at a preset angle in the circumferential direction; the surface of the base is provided with a scale; the range of the scale is "-50° to +60°"; the bottom of the protruding part is provided with a second clamping part for fixing the position of the carrier relative to the base.

[0015] Preferably, the second clamping part comprises a clamping handle arranged at the bottom of the protruding part and rotatable based on the protruding part; the clamping handle comprises a clamping section and a second driving section; the second driving section and the protruding part are provided with a second return spring; the second driving section and the bottom of the protruding part are both provided with a limiting pin limiting the position of the second return spring.

[0016] Preferably, the two sides of the base are respectively provided with a first scale block and a second scale block; the first scale block and the second scale block can adjust the interval distance between them based on the base.

[0017] The metal cutting machine provided by the application has the following beneficial effects: In the application, the linkage mechanism composed of the first rotating rod, the second rotating rod and the pressure roller realizes the automatic cooperation of the second protective cover and the cutting operation: the second protective cover is opened synchronously with the downward pressing of the working component during cutting, ensuring the normal exposure of the cutter for operation; the second protective cover is automatically closed with the resetting of the working component during non-operation, tightly shielding the cutter. This design fundamentally avoids the problem of accidental exposure of the cutter in the non-operation state, greatly reduces the safety risks caused by accidental start, negligence of personnel, etc., and simplifies the operation process without the need for additional manual operation of the protective cover, thereby improving the operation safety while ensuring the operation efficiency, providing more reliable safety protection and convenient experience for metal cutting operation. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments of the present application will be briefly introduced as follows, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings, and these are within the protection scope of the present application.

[0019] Figure 1 Fig. 1 is a structural schematic diagram of a metal cutting machine; Figure 2 Fig. 2 is a structural schematic diagram of the metal cutting machine from another angle; Figure 3 Fig. 3 is a structural schematic diagram of the metal cutting machine from still another angle; Figure 4 Fig. 4 is a structural schematic diagram of a side surface of the metal cutting machine; Figure 5 Fig. 5 is a structural schematic diagram of a part B in Fig. 1; Figure 1 Fig. 6 is a structural schematic diagram of a part C in Fig. 1; Figure 6 Figure 1 Fig. 7 is a structural schematic diagram of a part A in Fig. 1; Figure 7 Fig. 8 is a structural schematic diagram of a part B in Fig. 2; Figure 3 Fig. 9 is a structural schematic diagram of a part C in Fig. 2; 100 - base, 110 - clamping groove, 120 - scale, 131 - first scale block, 132 - second scale block; 200 - carrier, 210 - protrusion, 211 - cutting groove, 212 - second clamping member, 213 - clamping handle, 214 - clamping section, 215 - second driving section, 216 - second return spring, 220 - cutting assembly, 230 - mounting portion, 231 - displacement base, 232 - first displacement rod, 233 - second displacement rod, 234 - first limiting seat, 235 - first clamping member, 236 - second limiting seat, 237 - hinged seat, 238 - rotating shaft, 239 - first return spring, 240 - flow guide cylinder, 241 - first flow guide opening, 242 - second flow guide opening, 260 - driving portion, 261 - rotating head, 262 - cutting tool, 263 - first protective cover, 264 - pressing rod, 265 - pressing wheel, 266 - second protective cover, 267 - first pressing handle, 268 - fastener, 269 - second pressing handle, 270 - switch, 280 - first rotating rod, 281 - rotating section, 282 - driven section, 283 - first driving section, 284 - driving groove, 285 - second rotating rod; ​​311-first pressing surface, 312-second pressing surface, 320-positioning member, 321-first positioning end, 322-second positioning end, 323-first positioning surface, 324-second positioning surface, 331-sliding block, 341-first supporting part, 342-second supporting part, 343-connecting end. DETAILED DESCRIPTION

[0020] In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. It should be noted that in this document, relational terms such as first and second and the like are used only to differentiate one entity or operation from another entity or operation, and do not necessarily require or imply that there is any such actual relationship or order between these entities or operations. In the description of the present application, it should be understood that the orientation or positional relationship indicated by terms such as center, upper, lower, front, back, left, right, vertical, horizontal, top, bottom, inner, outer and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such a process, method, article or device. Without more limitations, the elements defined by the statement "include" do not exclude the presence of other identical elements in the process, method, article or device that includes the elements. If there is no conflict, the embodiments of the present application and various features in the embodiments can be combined with each other, and are all within the protection scope of the present application.

[0021] Embodiment 1 Please see Figure 1 The embodiments of the present application provide a metal cutting machine; in the use of the metal cutting machine, when cutting a workpiece, the protective cover needs to be opened; when cutting is not needed, the cutting tool 262 needs to be closed through the protective cover to avoid accidental starting and cause accidents; the protective cover of the traditional cutting machine is usually fixed or needs to be adjusted manually, the cutting tool is easy to be exposed during cutting, which causes splashing debris or dust to harm the operator; manual adjustment of the protective cover is tedious, which affects the cutting efficiency, and the operator may be exposed to danger due to negligence without timely adjusting the protective cover; and the traditional linkage structure may fail due to friction, wear or looseness, affecting the protection effect, or causing accidents during operation.

[0022] Therefore, in the present embodiment, a protective cover that can be opened or closed along with the operation during processing is provided.

[0023] Please refer to Figures 1-4 , the metal cutting machine comprises a base 100 and a carrier 200 that can rotate based on the base 100; the tail of the carrier 200 is provided with a cutting assembly 220 for cutting workpieces; the cutting assembly 220 comprises a mounting portion 230 and a working component hinged to the mounting portion 230; the working component comprises a driving portion 260 and a rotating head 261 driven by the driving portion 260, the rotating head 261 is used to install a cutting tool 262; the rotating head 261 is provided with a first protective cover 263 and a second protective cover 266 for covering the cutting tool 262, the second protective cover 266 is arranged outside the first protective cover 263 and can rotate based on the first protective cover 263; the hinged part of the mounting portion 230 and the working component is also provided with a first rotating rod 280, the second protective cover 266 is provided with a second rotating rod 285; the other end of the first rotating rod 280 is provided with a driving groove 284, the second rotating rod 285 is arranged in the driving groove 284; the first rotating rod 280 is provided with a rotating segment 281, a driven segment 282 and a first driving segment 283 arranged integrally; the first protective cover 263 is provided with a pressure roller 265 at one end close to the first rotating rod 280, the pressure roller 265 is in contact with the driven segment 282.

[0024] Please refer to Figure 6 and Figure 7 , the driven segment 282 is provided with a convex arc surface to one end of the pressure roller 265, and the first pressure surface 311 and the second pressure surface 312 are formed at both ends of the arc surface.

[0025] Further, please refer to Figure 1 and Figure 6 , the working component and the second limiting seat 236 are hinged through the hinge shaft 238 of the hinge seat 237, the hinge shaft 238 is provided with a first reset spring 239; the second limiting seat 236 is provided with a first clamping piece 235 to limit the rotation of the working component based on the second limiting seat 236.

[0026] When the workpiece needs to be cut, the workpiece is placed on the surface of the workbench 200 and fixed; by pressing down the working part, the resistance of the first return spring 239 is overcome, so that the working part rotates based on the mounting part 230 and moves towards the workpiece; since the first rotating rod 280 is fixedly arranged at the hinge between the mounting part 230 and the working part, the first rotating rod 280 is pressed down towards one end close to the workpiece, so that the second rotating rod 285 in the driving groove 284 is subjected to pressure from the driving groove 284; since the second rotating rod 285 is fixedly arranged on the second protective cover 266, the second protective cover 266 is driven at this time because the second rotating rod 285 is driven; the second rotating rod 285 rotates counterclockwise along the rotating path defined by the driving groove 284, so that the second protective cover 266 also rotates counterclockwise and gradually exposes the cutting tool 262; at this time, the pressure roller 265 applies additional pressure to the first rotating rod 280 on the second pressure surface 312, so that the first rotating rod 280 rotates more smoothly, ensuring that the second protective cover 266 can be quickly and stably opened.

[0027] When the cutting is completed, the working part is released or slowly lifted, and since the first return spring 239 loses external force, the first rotating rod 280 rotates towards the end away from the workpiece; the second rotating rod 285 in the driving groove 284 is subjected to reverse pressure and starts to rotate clockwise; thereby driving the second protective cover 266 to rotate clockwise and gradually covering the cutting tool 262. At the same time, the pressure roller 265 moves from the second pressure surface 312 to the first pressure surface 311 and applies reverse pressure to the first rotating rod 280 on the first pressure surface 311, assisting the second protective cover 266 to reset accurately and realizing effective protection of the cutting tool 262.

[0028] In this embodiment, this linkage structure ingeniously utilizes the action of pressing down and lifting the working part, automatically controls the opening and closing of the second protective cover 266 through the interaction of the first rotating rod 280 and the second rotating rod 285, avoids the many drawbacks of the traditional fixed or manually adjusted protective cover, not only improves the safety during cutting, reduces the harm of flying debris and dust to the operator, but also greatly improves the cutting efficiency, without the operator needing to be distracted to manually adjust the protective cover. Moreover, compared with the traditional linkage structure, this structure design based on the rotating rod and the driving groove 284 reduces the possibility of failure due to friction, wear or looseness, further guarantees the protection effect, ensures that the operator is always in a safe working environment during the entire metal cutting operation, and provides a strong guarantee for the efficient and safe performance of the metal cutting work.

[0029] Further, please refer to Figure 1 and Figure 4The side of the hinged seat 237 is provided with a first clamping member 235 for fastening the working component, so that the working component will not be displaced when subjected to external force, ensuring the safety of the equipment during processing or non-processing.

[0030] Further, during the cutting operation, the high-speed operation of the cutting tool 262 will generate a large vibration, which is generally controlled manually by manpower. If the working component is not firmly fixed, it may lead to a decrease in cutting precision, or even cause danger. The setting of the first clamping member 235 is like adding a solid "insurance" to the working component, tightly locking the working component so that it will not move during the cutting process.

[0031] At the same time, in order to further optimize the performance of the protective cover, a sealing rubber strip is arranged at the abutting place of the second protective cover 266 and the first protective cover 263. When the second protective cover 266 covers the cutting tool 262, the sealing rubber strip can be tightly abutted with the first protective cover 263, forming a relatively closed space, effectively blocking the debris and dust generated during cutting from splashing outward, and providing more comprehensive protection for the operator. Moreover, the sealing rubber strip has a certain flexibility, which can ensure the sealing effect and will not affect the normal rotation of the second protective cover 266.

[0032] Further, please refer to Figure 1 and Figure 2 , the end of the first protective cover 263 is smoothly connected with a flow guide cylinder 240; the flow guide cylinder 240 is provided with a first flow guide port 241 and a second flow guide port 242 for guiding the cutting smoke generated during cutting to enter and exit; and the flow guide cylinder 240 is integrally arranged with the first protective cover 263.

[0033] The integrally arranged flow guide cylinder 240 and the first protective cover 263 have the core role of strengthening the structural stability and the continuity of smoke guiding. The integrated design avoids the problem of smoke leakage caused by the connection gap between the two, and at the same time reduces the hidden troubles such as looseness and misplacement that may occur in the assembly link, ensuring that the flow guide cylinder 240 can stably follow the first protective cover 263 to move synchronously, and always align with the source of cutting smoke, providing a structural basis for efficient flow guiding.

[0034] From the structural arrangement, the first flow guide port 241 of the flow guide cylinder 240 directly faces the cutting area of the cutting tool 262, which can accurately capture a large amount of smoke generated during cutting; the second flow guide port 242 is directed away from the operating area, forming a directional flow guide channel. This "inlet-outlet" channel structure, combined with the smooth connection of the flow guide cylinder 240 and the first protective cover 263, can reduce the resistance of the smoke during flow, so that the smoke flows smoothly along the inside of the flow guide cylinder 240, avoiding the occurrence of local vortex or stagnation phenomenon.

[0035] In the embodiment, the cutting smoke is quickly guided out to a designated area by directional flow guiding, which does not affect the processing and the position of production safety, greatly reduces the smoke concentration in the operating environment, reduces the risk of inhaling harmful particulate matter for the operator, and improves the quality of the working environment. On the other hand, the integrated structure and the smooth flow guiding path avoid the accumulation of smoke in the protective cover, which affects the heat dissipation of the cutter or adheres to the surface of the component to cause wear, prolongs the service life of the equipment, and also reduces the problem of obstructed vision caused by smoke diffusion, improves the safety of cutting operation.

[0036] Further, please refer to Figure 1 and Figure 3 , the working part further comprises a first pressing handle 267 arranged in a hollow manner, and the line of the driving part 260 is arranged inside the first pressing handle 267.

[0037] Further, the first pressing handle 267 is detachably provided with a second pressing handle 269 at one end away from the driving part 260 through a fastener 268; the second pressing handle 269 is provided with a passage through which the line passes, and is provided with a switch 270 connected with the line.

[0038] The first pressing handle 267 is designed in a hollow manner and has the line of the driving part 260 built-in, which can not only serve as a force receiving part for the operator to hold and facilitate the depression and reset of the working part, but also hide the line to avoid the line being eroded by cutting debris and oil stains or being damaged due to accidental pulling, while reducing the risk of line entanglement and improving the overall cleanliness and safety of the equipment.

[0039] The first pressing handle 267 and the second pressing handle 269 are detachably connected through the fastener 268, which not only facilitates the installation, maintenance and replacement of the line, but also enables flexible adjustment of the overall length of the handle or replacement of the appropriate holding part according to the usage habits of different operators, thereby enhancing the versatility of the equipment. The integrated switch 270 on the second pressing handle 269 enables the operator to directly control the start and stop of the driving part 260 while holding the handle, without the need to find the position of the switch 270, thereby realizing integrated control of "holding-operation-starting and stopping" and greatly improving the operation efficiency.

[0040] In use, the operator holds the first pressing handle 267 and / or the second pressing handle 269, drives the working part to rotate around the hinge by pressing downward, so that the cutting tool 262 approaches the workpiece for cutting operation; during the cutting process, if it is necessary to pause or end the operation, the switch 270 on the second pressing handle 269 can be directly operated to turn off the driving part 260, and the cutting tool 262 is stopped; when it is necessary to overhaul the circuit or adjust the handle, the first pressing handle 267 can be separated from the second pressing handle 269 by opening the fastener 268, and after the operation is completed, the first pressing handle 267 and the second pressing handle 269 are reconnected and fixed by the fastener 268, which is simple and convenient to operate and has high safety.

[0041] Further, the carrier 200 is provided with a protruding part 210 extending away from one end of the cutting assembly 220; the protruding part 210 and the carrier 200 are provided with a cutting groove 211.

[0042] The cutting groove 211 mainly plays a dual role of positioning and guiding during the cutting process.

[0043] From the perspective of positioning, when the workpiece is placed on the carrier 200 and the protruding part 210, the cutting groove 211 can accurately limit the cutting position of the workpiece, ensuring that the cutter always acts on the workpiece along the preset trajectory during cutting, avoiding the deviation of the cutting size caused by the slight deviation of the workpiece, especially for long strip-shaped or plate-shaped metal workpieces, which can effectively ensure the straightness and consistency of the cutting lines.

[0044] From the perspective of guidance, the cutting tool 262 partially enters the inside of the cutting groove 211 during the cutting process, and the cutting groove 211 provides a dedicated activity space for the cutter, which can prevent the cutter from colliding with the carrier 200 and the protruding part 210 to cause wear or damage, and can also guide the debris generated during cutting to the groove, reducing the splashing of debris to the operation area, avoiding the accumulation of debris at the bottom of the workpiece to affect the smoothness of cutting, and ensuring the stability and efficiency of the cutting process.

[0045] Further, the base 100 is provided with a plurality of clamping grooves 110 at a preset angle in the circumferential direction, the surface of the base 100 is provided with a scale 120, the range of the scale 120 is "-50° to +60°", and the bottom of the protruding part 210 is provided with a second clamping part 212 for fixing the position of the carrier 200 relative to the base 100.

[0046] Further, please refer to Figure 5 and Figure 6The second clamping member 212 includes a clamping handle 213 arranged at the bottom of the protruding part 210 and rotatable based on the protruding part 210; the clamping handle 213 includes a clamping section 214 and a second driving section 215, and a second reset spring 216 is arranged between the second driving section 215 and the protruding part 210; the second driving section 215 and the bottom of the protruding part 210 are both provided with a limiting pin for limiting the position of the second reset spring 216.

[0047] Further, from the perspective of the accuracy of angle adjustment, the base 100 is provided with a plurality of clamping grooves 110 arranged at preset angles in the circumferential direction, and the scale 120 with a range of “-50° to +60°” is arranged on the surface, thereby providing a clear reference datum for the angle adjustment of the carrier 200. The operator can quickly determine the angle at which the carrier 200 needs to be rotated according to the cutting requirements, and then realize the accurate positioning of the angle by using the clamping grooves 110, thereby avoiding the blindness in the adjustment process and ensuring that the cutting angle meets the processing requirements, especially for the workpiece processing scenarios that require specific angle inclined cutting processing.

[0048] Further, the second clamping member 212 can stably fix the carrier 200 at the adjusted angle position by the cooperation of the clamping section 214 of the clamping handle 213 and the clamping groove 110. The second reset spring 216 between the second driving section 215 and the protruding part 210 can provide a continuous elastic force after the clamping section 214 enters the clamping groove 110, thereby enhancing the close-fitting tightness of the clamping section 214 and the clamping groove 110, preventing the carrier 200 from being deviated in the angle during the cutting operation due to vibration and other factors, and ensuring the stability of cutting. The limiting of the position of the second reset spring 216 by the limiting pin can avoid the dislocation and falling of the spring during the stretching and contraction process, thereby ensuring the normal work of the second clamping member 212 and prolonging the service life thereof.

[0049] When the angle of the carrier 200 needs to be adjusted, the operator drives the second driving section 215 of the clamping handle 213 away from the base 100, and at the same time, the second reset spring 216 is compressed, thereby driving the clamping section 214 to disengage from the current clamping groove 110. Subsequently, the carrier 200 is driven to rotate around the base 100 by a preset angle, and is adjusted to the required angle by referring to the scale 120, so that the clamping section 214 is aligned with the clamping groove 110 corresponding to the angle. The second driving section 215 is released, and under the elastic force of the second reset spring 216, the clamping section 214 is automatically popped into the corresponding clamping groove 110, thereby completing the fixation of the angle of the carrier 200. The operation is convenient and efficient. When the angle needs to be adjusted again, the above steps of pressing, rotating and releasing can be repeated, and the whole process does not require complex tools, thereby quickly realizing the switching of the angle of the carrier 200 and meeting the operation requirements of different cutting angles.

[0050] Further, please refer to Figures 1-3The positioning member 320 is provided on the carrier 200, and includes a connecting end 343, a first positioning end 321 and a second positioning end 322 provided at two ends of the connecting segment, a first positioning surface 323 and a second positioning surface 324 respectively provided on the first positioning end 321 and the second positioning end 322, and a sliding groove provided on the first positioning end 321 and the second positioning end 322.

[0051] The connecting segment is arranged in an arc shape and is provided with an opening, and the position of the cutting groove 211 is left through the opening.

[0052] The positioning member 320 is mainly used for accurately positioning the workpiece and ensuring the cutting accuracy, and also takes into account the smoothness of the cutting operation.

[0053] From the perspective of positioning, the first positioning surface 323 of the first positioning end 321 and the second positioning surface 324 of the second positioning end 322 form a stable positioning reference. When the workpiece is tightly attached to the two positioning surfaces, it can be quickly limited to the preset cutting position, avoiding the workpiece from being deviated due to external force or vibration during the cutting process, ensuring that the cutting line is consistent with the preset trajectory, especially for workpieces of regular shape, which can significantly improve the consistency of batch cutting. The sliding groove provides the possibility for the position adjustment of the positioning member 320 itself. The operator can move the positioning member 320 along the sliding groove according to the size of the workpiece and the cutting demand, adjust the relative position of the first positioning surface 323 and the second positioning surface 324 with the cutting groove 211, and make them adapt to workpieces of different specifications, thereby enhancing the flexibility of positioning and the application range of the equipment.

[0054] From the perspective of structural adaptation, the connecting segment is arranged in an arc shape and is provided with an opening, which not only avoids the position of the cutting groove 211 to prevent the positioning member 320 from blocking the cutting area and affecting the cutting operation, but also can adapt to the shape of the carrier 200 through the arc structure, ensure the stable connection of the positioning member 320 and the carrier 200, and make the positioning surface always maintain a stable supporting state, thereby providing reliable positioning support for the workpiece.

[0055] In use, the operator first adjusts the position of the positioning member 320 according to the size and cutting requirements of the workpiece, so that the first positioning surface 323 and the second positioning surface 324 are in the appropriate positioning position. Then, the workpiece to be cut is placed on the loading platform 200, and the workpiece is pushed so that one side of the workpiece abuts against the first positioning surface 323 and the other side abuts against the second positioning surface 324. At this time, the workpiece is precisely positioned on the cutting path corresponding to the cutting groove 211. After confirming that the workpiece is stably positioned, the cutting assembly 220 can be started to perform the cutting operation. The positioning process is simple and efficient, and does not require complex measurement and adjustment, which can effectively shorten the preparation time and improve the cutting efficiency. After the cutting is completed, the workpiece is removed. If the same size workpiece needs to be cut, the above placement and positioning steps can be directly repeated. If a different size workpiece is replaced, the position of the positioning member 320 can be adjusted again through the sliding groove.

[0056] Further, please refer to Figure 1 The two sides of the base 100 are respectively provided with a first scale block 131 and a second scale block 132. The first scale block 131 and the second scale block 132 can adjust the interval distance between them based on the base 100. The bottom of the first scale block 131 and the second scale block 132 is provided with a sliding block 331 adapted to the sliding groove on the first positioning end 321 and the second positioning end 322. The sliding groove of the first positioning end 321 and the second positioning end 322 is further provided with a first fixing member and a second fixing member outside, which are used to fasten the first scale block 131 and the second scale block 132.

[0057] When adjusting, the first scale block 131 and / or the second scale block 132 are adjusted in the direction away from or close to each other, and the adjustment angle is determined according to the scale. After adjustment is completed, the first scale block 131 and / or the second scale block 132 can be fixed by the first fixing member and the second fixing member.

[0058] In the adjustment mode, the bottom of the first scale block 131 and the second scale block 132 is provided with a sliding block 331 adapted to the sliding groove on the first positioning end 321 and the second positioning end 322. When adjusting, the first scale block 131 and / or the second scale block 132 can be directly pushed to move along the sliding groove in the direction away from or close to each other. During the movement, the operator observes the scale to determine the change of the interval distance between the two, until the interval distance matches the size of the workpiece to be cut.

[0059] After adjustment is completed, the first scale block 131 and the second scale block 132 are respectively fastened in the current position by the first fixing member and the second fixing member outside the sliding groove of the first positioning end 321 and the second positioning end 322, so as to avoid displacement in subsequent operations and ensure the stability of the interval distance.

[0060] When it is necessary to cut a workpiece of a specific size, first, the interval distance between the first scale block 131 and the second scale block 132 is adjusted according to the width or length requirement of the workpiece, so as to be adapted to the size of the workpiece. Then, the workpiece is placed on the loading platform 200, so that the two sides of the workpiece are in contact with the first scale block 131 and the second scale block 132 respectively, and the preliminary positioning of the workpiece is realized by the limiting action of the two. Then, the workpiece is simultaneously in close contact with the first positioning face 323 of the first positioning end 321 and the second positioning face 324 of the second positioning end 322, so as to further strengthen the positioning effect and ensure that the workpiece will not deviate left and right during the cutting process. If a workpiece of a different size is replaced, the first fixing member and the second fixing member are only loosened, and the step of adjusting the interval distance between the scale blocks is repeated, so that the positioning requirement of the new workpiece can be quickly adapted, which is simple to operate and can significantly improve the positioning efficiency and accuracy.

[0061] Embodiment 2 Please see Figure 1 In this embodiment, an installation part 230 is provided, which can adjust the working part in a metal cutting machine.

[0062] Generally, the equipment for cutting metal materials can only perform cutting operation at a fixed position set in advance. The direct consequence of such a restrictive design is that when facing a metal part with a large width, the entire cutting task cannot be completed at one time, but needs to be adjusted and cut repeatedly.

[0063] In order to solve this problem and improve the practicability and working efficiency of the equipment, by designing an installation structure which can flexibly adjust the specific position of the working part, the working part of the equipment can realize a larger range of movement, so as to completely cover each possible position area on the loading platform that needs to be processed.

[0064] In this way, the actual operation range of the equipment is no longer limited to a certain fixed narrow area, but can be flexibly expanded to a wider processing range according to actual needs, greatly improving the adaptability and cutting efficiency of the equipment.

[0065] Further, the top of the installation part 230 is provided with a displacement base 231; the displacement base 231 is provided with a first displacement rod 232 and a second displacement rod 233 which can move based on the displacement base 231; the two ends of the first displacement rod 232 and the second displacement rod 233 are respectively provided with a first limiting seat 234 and a second limiting seat 236; the working part can adjust the processing position based on the displacement base 231.

[0066] In actual use, if it is necessary to adjust the processing position of the working part, the following operation mode can be used: When it is necessary to adjust the position of the working component along the length direction of the displacement base 231, the first pressing handle 267 and / or the second pressing handle 269 can be used to drive the working component, so that the working component is displaced within the displacement base 231 based on the first displacement rod 232 and the second displacement rod 233.

[0067] Since the two ends of the first displacement rod 232 and the second displacement rod 233 are connected with the first limiting seat 234 and the second limiting seat 236 respectively, the limiting positions of the working component are limited by the first limiting seat 234 and the second limiting seat 236 during the displacement of the working component, so as to realize the adjustment of the working component along the length direction of the displacement base 231, so as to cover different processing areas in this direction on the platform 200.

[0068] In use, the workpiece is first placed on the platform 200, and according to the position of the part to be processed, an external force is applied to the first pressing handle 267 and / or the second pressing handle 269, so that the working component drives the first displacement rod 232 and the second displacement rod 233 to slide within the displacement base 231. The first limiting seat 234 and the second limiting seat 236 play a limiting role to avoid the working component from exceeding the reasonable displacement range. When the working component moves to a suitable position relative to the workpiece, the cutting operation can be performed on the workpiece; or the cutting and displacement can be performed simultaneously to realize the synchronization of cutting and displacement.

[0069] If it is necessary to cut workpieces of different widths or lengths, the position of the working component can be flexibly adjusted in this way, without the need for repeated adjustment and cutting, which greatly saves time and improves work efficiency. At the same time, the adjustable mounting part 230 design makes the metal cutting machine easily cope with various complex shapes and sizes of metal materials.

[0070] Further, in order to ensure the smoothness of the movement of the first displacement rod 232 and the second displacement rod 233 within the displacement base 231, a lubricating layer is arranged inside the displacement base 231. The lubricating layer is made of special wear-resistant lubricating material, which can effectively reduce the friction between the first displacement rod 232 and the second displacement rod 233 and the inner wall of the displacement base 231, reduce the wear degree of the components, and prolong the service life of the equipment. Moreover, the existence of the lubricating layer can also make the displacement of the working component more stable, thereby improving the cutting precision.

[0071] In addition, a buffer pad is arranged on the first limiting seat 234 and the second limiting seat 236 respectively. When the working component moves to the limit position, the buffer pad can buffer the impact force between the working component and the limiting seat, avoid generating large vibration and noise due to impact, and further protect the working component and the limiting seat from being damaged due to frequent impact.

[0072] Embodiment 3

[0073] Please see Figure 1 , Figure 2 and Figure 3 In this embodiment, a structure is provided to increase the processing stability of a metal cutting machine.

[0074] In the metal cutting process, the contact area between the cutting machine and the ground directly affects its overall stability. The larger the contact area, the smaller the displacement or shaking of the machine body due to vibration and force during the cutting operation, thus ensuring cutting accuracy and operational safety.

[0075] To address this need, structures that increase the contact area can be provided on both sides of the bottom of the base 100.

[0076] Furthermore, the base 100 has a flat plate-like structure at its bottom, and a first support portion 341 and a second support portion 342 are provided on both sides of the base 100; the first support portion 341 and the second support portion 342 extend outward from the two sides of the base 100 to form widened support edges; by expanding the contact range between the base 100 and the ground, the overall load-bearing capacity and anti-tipping capacity are improved.

[0077] At this time, the first positioning end 321 and the second positioning end 322, the first scale block 131 and the second scale of the positioning member 320 are respectively disposed on the top of the first support part 341 and the second support part 342.

[0078] In addition, an anti-slip pad can be added to the bottom of the base 100. This pad not only increases friction with the ground, reducing machine slippage, but its material deformation properties also absorb some cutting vibrations, preventing vibrations from being transmitted to the ground and causing machine resonance, thus further enhancing the stability of the cutting machine during processing. This design allows the metal cutting machine to effectively resist the reaction forces generated during cutting through a large, stable contact with the ground when facing high-intensity cutting operations or handling heavy workpieces, preventing machine body deviation or tilting, and providing reliable assurance for precise and safe cutting processing.

[0079] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A metal cutting machine, characterized in that, include: A base (100) and a platform (200) rotatable on the base (100); the platform (200) is provided with a cutting assembly (220) for cutting the workpiece at its rear end. The cutting assembly (220) includes a mounting portion (230) and a working component hinged to the mounting portion (230); The working component includes a drive unit (260) and a rotating head (261) driven by the drive unit (260). The rotating head (261) is used to mount a cutting tool (262). The rotating head (261) is provided with a first protective cover (263) and a second protective cover (266) for covering the cutting tool (262). The second protective cover (266) is disposed outside the first protective cover (263) and can rotate based on the first protective cover (263). The mounting part (230) and the working part are further provided with a first rotating rod (280) at the hinge, and the second protective cover (266) is provided with a second rotating rod (285). The other end of the first rotating rod (280) is provided with a drive groove (284), and the second rotating rod (285) is disposed in the drive groove (284); the first rotating rod (280) is provided with an integrally formed rotating section (281), a driven section (282) and a first driving section (283); the first protective cover (263) is provided with a pressure roller (265) at one end near the first rotating rod (280), and the pressure roller (265) is in contact with the driven section (282).

2. A metal cutting machine according to claim 1, characterized in that, The mounting part (230) is provided with a displacement base (231); The displacement base (231) is provided with a first displacement rod (232) and a second displacement rod (233) that can move based on the displacement base (231); The first displacement rod (232) and the second displacement rod (233) are respectively provided with a first limiting seat (234) and a second limiting seat (236) at both ends; The working component can adjust the processing position based on the displacement base (231).

3. A metal cutting machine according to claim 2, characterized in that, The working component is hinged to the second limiting seat (236) via the pivot (238) of the hinge seat (237), and the pivot (238) is provided with a first return spring (239). The second limiting seat (236) is provided with a first engaging member (235) to restrict the working part from rotating based on the second limiting seat (236).

4. A metal cutting machine according to claim 1, characterized in that, The end of the first protective cover (263) is smoothly connected to a guide tube (240); The guide tube (240) is provided with a first guide port (241) and a second guide port (242) for introducing and discharging cutting fumes generated during cutting.

5. A metal cutting machine according to claim 1, characterized in that, The working component also includes a hollow first pressing handle (267), and the wiring of the drive unit (260) is arranged inside the first pressing handle (267).

6. A metal cutting machine according to claim 5, characterized in that, The first pressing handle (267) is provided with a second pressing handle (269) at the end away from the drive unit (260) by means of a fastener (268). The second pressing handle (269) has a channel for the line to pass through and a switch (270) connected to the line.

7. A metal cutting machine according to claim 1, characterized in that, The stage (200) is provided with a protrusion (210) extending away from the cutting assembly (220). The protrusion (210) and the platform (200) are provided with cutting grooves (211).

8. A metal cutting machine according to claim 7, characterized in that, The base (100) has a plurality of slots (110) at a preset angle in the circumferential direction, and the surface of the base (100) is provided with a scale (120) with the scale (120) ranging from -50° to +60°. The bottom of the protrusion (210) is provided with a second engaging member (212) for fixing the position of the platform (200) relative to the base (100).

9. A metal cutting machine according to claim 8, characterized in that, The second engaging member (212) includes a handle (213) disposed at the bottom of the protrusion (210) and rotatable based on the protrusion (210). The handle (213) includes a locking section (214) and a second driving section (215), and a second return spring (216) is provided between the second driving section (215) and the protrusion (210). The bottom of the second drive section (215) and the protrusion (210) are both provided with limiting pins to restrict the position of the second return spring (216).

10. A metal cutting machine according to claim 1, characterized in that, The base (100) is provided with a first scale block (131) and a second scale block (132) on both sides respectively. The first scale block (131) and the second scale block (132) can be adjusted based on the base (100) to create an adjustable gap.

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