Electric cutting head and cutting machine

Abstract

The utility model relates to an electric cutting head and a cutting machine, which comprise a bearing frame and a cutting module arranged on the bearing frame, the cutting module comprises a cutter, a cutting power used for driving the cutter to perform cutting action and a rotating power used for driving the cutter to rotate, and the electric cutting head is characterized by further comprising a protection device, the protection device comprises a protection cover at least used for shielding a cutting edge in the cutter and protection power, the protection power is in transmission connection with the protection cover, and the protection power is used for driving the protection cover to vertically ascend and descend so as to adjust the position of the protection cover; according to the electric cutting head, cloth can be prevented from being accidentally damaged by the cutter in the cloth arranging process, the isolation protection effect can be achieved, workers are prevented from making contact with the cutting edge of the cutter, and safety is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of cutting equipment, in particular to an electric cutting head and a cutting machine. Background Art

[0002] In the processing of clothing, textiles and leather products, the cutting process is a relatively important link; in the existing cutting process, cutting equipment (or cutting machine, cutting bed) is usually used to perform cutting operations. Existing cutting equipment usually includes a frame for carrying, a support table for supporting cloth, a controller, a position adjustment mechanism and an electric cutting head (or simply a cutting head), etc. The position adjustment mechanism is usually arranged on the frame, and the electric cutting head is usually arranged on the position adjustment mechanism and corresponds to the support table below. The electric cutting head is equipped with a blade (or tool, punching knife or blade, etc.), and the controller is electrically connected to the position adjustment mechanism and the electric cutting head, etc. The position adjustment mechanism is used to adjust the position of the electric cutting head, and the electric cutting head cuts the cloth through the blade under the control of the controller.

[0003] The existing electric cutting head is also equipped with a cutting power, which is connected to the blade transmission. The lower end of the blade is configured with a cutting edge. The cutting power is used to drive the blade to reciprocate in the vertical direction so as to cut the tensioned cloth in the vertical direction. Since the cut cloth is usually tensioned on the support table, and the blade in the existing electric cutting head is usually exposed when not working; in actual application, on the one hand, during the tensioning of the cloth, the cloth is easy to contact the blade and cause accidental damage. On the other hand, the staff is easy to touch the blade, which is very sharp and the staff is easy to be injured. There are safety hazards that need to be solved urgently. Summary of the invention

[0004] The first aspect of the utility model is to solve the above technical problems and provide an electric cutting head with more reasonable design and safer structure. The main concept is:

[0005] An electric cutting head includes a carrier and a cutting module arranged on the carrier, the cutting module includes a tool, a cutting power for driving the tool to perform a cutting action, and a rotational power for driving the tool to rotate, and also includes a protective device, the protective device includes a protective cover for at least shielding the cutting edge of the tool and a protective power, the protective power is connected to the protective cover in a transmission manner, and the protective power is used to drive the protective cover to rise and fall vertically to adjust the position of the protective cover. In the present scheme, by configuring a protective cover, the protective cover can be used to at least cover the cutting edge of the tool so that the cutting edge is not exposed. This can not only prevent the tool from accidentally damaging the fabric during the fabric setting process, but also play a role of isolation and protection, preventing the staff from contacting the cutting edge of the tool, thereby effectively improving safety. By configuring a protective power and connecting the protective power to the protective cover, the protective power can be used to drive the protective cover to rise and fall vertically. In actual applications, when it is necessary to cut or trim the fabric, the protective power can be used to lift the protective cover so that the cutting edge of the tool is exposed for corresponding cutting or trimming work. When the cutting or trimming is completed, the protective power can be used to lower the protective cover so that the protective cover continues to cover the cutting edge of the tool. This is very practical and convenient.

[0006] The second aspect of the utility model is to solve the problem that it is difficult or even impossible to accurately cut when the existing electric cutting head cuts untensioned fabrics or the edges of fabrics. Further, the tool includes a movable knife and a fixed fixed knife, the lower end of the movable knife is structured with a first blade facing downward, and the movable knife is also structured with a second blade facing upward, and the second blade is located above the first blade; the fixed knife is structured with a third blade adapted to the second blade, the third blade corresponds to the second blade, and a cutting edge is formed between the second blade and the third blade; the cutting power is connected to the movable knife for driving the movable knife to perform cutting movement in the vertical direction. The electric cutting head can not only use the first blade to cut fabrics in a good tension state, but also can cut untensioned fabrics through the cooperation of the second blade and the third blade, effectively solving the problems of uneven cutting and deviation of the cutting line existing in the prior art, and can achieve better cutting effect; at the same time, the edge of the fabric can also be accurately cut by cutting, which can solve the problem that the edge of the fabric is relatively loose and it is not easy to be accurately cut by the first blade, and it is not easy to cause interference, and can cut to the edge. The use of protective covers to isolate and protect the cutting tools can significantly improve the safety of the moving and fixed knives.

[0007] Furthermore, the cutting module also includes a cutting transmission mechanism, which includes a sliding component and a rotating seat adapted to the sliding component, the rotating seat is configured with a guide hole adapted to the sliding component, the rotating seat is connected to the carrier, the sliding component is movably constrained in the guide hole, and the guide hole is used to guide the sliding component to rise and fall in the vertical direction; the cutting power is transmission-connected to the sliding component, and the sliding component is transmission-connected to the moving knife. In order to utilize the cutting power to drive the moving knife to perform cutting action in the vertical direction, the problem of the moving knife performing reciprocating cutting motion in the vertical direction is solved.

[0008] Optionally, the cutting transmission mechanism further includes a crank and a connecting rod, the cutting power is a motor, the crank is connected to the output shaft of the motor, the motor is used to drive the crank to rotate, one end of the connecting rod is hinged to the crank, the hinge position deviates from the rotation center of the crank, and the other end of the connecting rod is hinged to the sliding component. The cutting transmission mechanism can form a crank slider mechanism to convert the rotational power of the motor into linear power, so that the movable knife can be smoothly driven to perform cutting motion.

[0009] The third aspect of the utility model is to solve the problem that the orientation of the moving knife and the fixed knife is adjustable, and the orientation of the two is always consistent. Further, the cutting module also includes a rotary power, a rotary transmission mechanism, a transmission rod and a mounting head, wherein the rotating seat is rotatably connected to the carrier, and the rotary power is connected to the rotating seat through the rotary transmission mechanism for driving the rotating seat to rotate; the upper end of the transmission rod is rotatably connected to the sliding component, and the mounting head is fixedly mounted on the lower end of the transmission rod; the side of the rotating seat is structured with a guide notch, and the mounting head is structured with a limit protrusion adapted to the guide notch, the limit protrusion is inserted into the guide notch, and the limit protrusion and the guide notch constitute a moving pair in the vertical direction; the moving knife is mounted on the mounting head; the fixed knife is mounted on the rotating seat and is located on one side of the moving knife. In actual use, the cutting power can drive the sliding component to rise and fall vertically relative to the rotating seat, the sliding component drives the transmission rod to rise and fall vertically, the transmission rod drives the mounting head to rise and fall vertically, and the mounting head drives the moving knife to rise and fall vertically relative to the rotating seat, thereby achieving the purpose of driving the moving knife to perform cutting movement in the vertical direction. At the same time, in actual use, the rotational power can drive the rotating seat to rotate relative to the carrier frame, and the rotating seat drives the mounting head to rotate synchronously through the cooperation of the guide notch and the limit protrusion. The mounting head drives the movable knife to rotate relative to the carrier frame, thereby driving the movable knife and the fixed knife to rotate synchronously, which not only makes the orientation of the movable knife and the fixed knife adjustable, but also the orientation of the two can always be kept consistent, so that the second cutting edge and the third cutting edge can form a stable cutting fit.

[0010] In order to solve the problem of facilitating the installation and replacement of the fixed knife, further, it also includes a clamping member, the clamping member is detachably clamped on the rotating seat by a fastener, and the fixed knife is detachably installed on the clamping member by the fastener.

[0011] In some solutions, the protective cover is configured as a hollow cylindrical structure, which is sleeved outside the tool and covers at least the side of the tool; the protection power is installed on the carrier, and the cutting module can rotate relative to the protective cover. In this solution, the protective cover does not rotate with the rotating seat, which can simplify the structure and reduce the cost; by adjusting the height of the protective cover through the protection power, the tool can be conveniently isolated and protected.

[0012] Preferably, the protective cover is configured as a cylindrical structure, and the inner diameter of the protective cover is larger than the diameter of the clamping member. This enables the protective cover to not only cover the lower end of the tool, but also cover the clamping member, so that the protective cover can both isolate and protect the tool, and at the same time, all the cutting edges of the tool can be completely exposed, which is very convenient.

[0013] In the fourth aspect of the present utility model, the problem of preventing the protective cover from interfering with the cutting process and the cutting process is to be solved. In some solutions, the protective cover includes at least a cover body for shielding the cutting edge in the tool. The lower end of the cover body is configured with an inlet and outlet for the tool to enter and exit; the rotating seat is provided with one or more guide rods arranged in the vertical direction; the protective cover is also configured with through holes adapted to the guide rods; the cover body is configured with a ring-shaped mating ring; the protection device further includes a limiting member adapted to the mating ring, and the limiting member is configured with a limiting groove adapted to the mating ring; the cover body is sleeved outside the tool through the cooperation of the through holes and the guide rods, and one side of the mating ring is limited and constrained in the limiting groove of the limiting member, and the limiting member is in transmission connection with the protection power. In this solution, through the cooperation of the through holes and the guide rods, not only can the cover body be vertically lifted and lowered relative to the tool to adjust the position of the cover body, but also the rotating seat can drive the cover body to rotate synchronously with the tool; by configuring the limiting member, one side of the mating ring is limited and constrained in the limiting groove of the limiting member, and the limiting member is in transmission connection with the protection power, so that the protective cover can be vertically lifted and lowered by the protection power. Furthermore, the protective cover provided in this solution can not only rotate synchronously with the tool, but also be vertically lifted and lowered relative to the tool. Such a design can not only play a more effective role in isolation and protection, improving safety, but also is conducive to reducing the volume of the entire protective cover, and can effectively prevent the protective cover from interfering with the cutting and cutting processes.

[0014] Preferably, the through holes are configured in the mating ring; the mating ring is arranged at the top of the cover body.

[0015] Furthermore, the lower end of the cover body is configured with four side blocking portions, and the four side blocking portions are in pairs and jointly enclose a rectangular inlet and outlet. The width of the inlet and outlet can be adapted to the thickness of the tool, and the length of the inlet and outlet can be adapted to the width of the tool, so that the gap between the protective cover and the tool can be greatly reduced, which is conducive to making the structure of the entire protective cover simpler and the volume smaller, and can effectively prevent the protective cover from interfering with the cutting and cutting processes.

[0016] Preferably, a plurality of openings are formed on the side surface of the cover body, which can not only reduce the weight of the protective cover, prevent interference in the structure, but also facilitate checking the orientation and state of the internal tool through the openings.

[0017] Preferably, the protection power is provided by a cylinder, which has low cost, fast action and high precision.

[0018] Preferably, the protective cover is an integrally formed member.

[0019] A cutting machine includes the electric cutting head, enabling the cutting equipment to not only cut fabrics in a traditional way but also cut fabrics by means of trimming, effectively solving the problems existing in the prior art.

[0020] Compared with the prior art, when using an electric cutting head and a cutting machine provided by the present utility model, not only can accidental damage to the fabric by the tool be prevented during the process of setting the fabric, but also an isolation and protection effect can be achieved, avoiding the staff from contacting the cutting edge of the tool, and effectively improving safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required to be used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present utility model, and thus should not be regarded as limiting the scope. For those of ordinary skill in the art, other related drawings can also be obtained based on these drawings without creative efforts.

[0022] Figure 1 It is the front view of a moving blade in an electric cutting head provided in Embodiment 1 of the present utility model.

[0023] Figure 2 It is the structural schematic diagram of a fixed blade in an electric cutting head provided in Embodiment 1 of the present utility model.

[0024] Figure 3 It is the three-dimensional structural schematic diagram of an electric cutting head provided in Embodiment 1 of the present utility model, without the fixed blade assembled.

[0025] Figure 4 It is for Figure 3 the rear view.

[0026] Figure 5 It is for Figure 4 the partial cross-sectional view.

[0027] Figure 6 It is the structural schematic diagram of the lower end of the tool in an electric cutting head provided in Embodiment 1 of the present utility model.

[0028] Figure 7 It is forFigure 6 Front view.

[0029] Figure 8 is Figure 6 left view of.

[0030] Figure 9 is Figure 4 right view of, with the fixed knife assembled.

[0031] Figure 10 One of the structural schematic diagrams of an electric cutting head provided in Embodiment 2 of the present utility model, wherein the protective cover is in the second predetermined position.

[0032] Figure 11 Another structural schematic diagram of an electric cutting head provided in Embodiment 2 of the present utility model, wherein the protective cover is in the first predetermined position.

[0033] Figure 12 A structural schematic diagram of a protective cover in an electric cutting head provided in Embodiment 2 of the present utility model.

[0034] Figure 13 An electric cutting head provided in Embodiment 2 of the present utility model, assembled with Figure 12 the structural schematic diagram after the protective cover shown in.

[0035] Explanation of the markings in the figure: carrier frame 1; moving knife 2, first cutting edge 21, second cutting edge 22; fixed knife 3, third cutting edge 31, mounting hole 32, cutting opening 33; cutting power 4, crank 41, connecting rod 42, sliding member 43, transmission rod 44, mounting head 45, limiting projection 46; rotating seat 5, guiding hole 51, guiding notch 52, guide rod 53; clamping member 6, connecting hole 61, assembly hole 62, bearing 63; rotating power 7, rotating transmission mechanism 71; protecting power 8, limiting member 81, limiting groove 82; protective cover 9, cover body 91, mating ring 92, through hole 93, side blocking portion 94, inlet / outlet 95, opening 96. Detailed implementation manners

[0036] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Usually, the components of the embodiments of the present utility model described and shown in the accompanying drawings herein can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present utility model provided in the accompanying drawings is not intended to limit the scope of the present utility model to be protected, but only represents the selected embodiments of the present utility model. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative efforts fall within the scope of protection of the present utility model.

[0037] Example 1

[0038] The present embodiment provides an electric cutting head, including a carrier frame 1 and a cutting module arranged on the carrier frame 1. The carrier frame 1 mainly serves to carry and facilitate installation, and its specific shape is not limited.

[0039] During implementation, the cutting module includes a cutting power 4, a cutting transmission mechanism, a rotating power 7, a rotating transmission mechanism 71, a transmission rod 44, a mounting head 45, and a cutter, wherein the cutter includes a moving cutter 2 and a fixed cutter 3, and the lower end of the moving cutter 2 is configured to be inclined in the vertical direction, such as Figure 1 As shown, the lower end of the movable knife 2 is configured with a first cutting edge 21, so that the first cutting edge 21 is inclined in the vertical direction, as shown in FIG. Figure 1 The cutting power 4 is connected to the movable knife 2 for driving the movable knife 2 to move up and down vertically, so as to achieve the effect of vibrating the movable knife 2 up and down, so that the first cutting edge 21 of the movable knife 2 can perform cutting motion in the vertical direction, so as to use the first cutting edge 21 to smoothly cut the cloth.

[0040] like Figure 1 As shown, in this embodiment, the movable knife 2 is further configured with a second cutting edge 22, and the second cutting edge 22 can be arranged horizontally or inclined relative to the horizontal direction, such as Figure 1 As shown, the second cutting edge 22 faces upward (including facing directly upward and facing obliquely upward). In implementation, the second cutting edge 22 can be preferably constructed on the upper side of the movable knife 2 away from the first cutting edge 21, such as Figure 1 As shown, the second cutting edge 22 corresponds exactly to the first cutting edge 21 below, which not only helps to simplify the structure of the entire movable knife 2, but also can effectively ensure the strength of the movable knife 2 and improve the stability and reliability of the movable knife 2. In this embodiment, the movable knife 2 can be constructed as a plate-like structure as a whole, such as Figure 1 As shown, it is easy to produce and manufacture; at the same time, the movable knife 2 can be preferably made of tungsten steel plate to improve the strength and rigidity of the movable knife 2.

[0041] In implementation, the cutting power 4 can be implemented by existing technologies. For example, the cutting power 4 can preferably be a motor, and the cutting power 4 can be fixed to the carrier 1. The cutting power 4 is connected to the movable knife 2 through a cutting transmission mechanism, and the cutting transmission mechanism is used to convert the rotational motion of the motor into a linear reciprocating motion that drives the movable knife 2 to perform a cutting action. In implementation, the cutting transmission mechanism can be implemented by existing technologies. As an example, the cutting transmission mechanism can be a crank 41 slider mechanism, such as Figures 3 - 5As shown in the figure, the crank-slider mechanism 41 includes a crank 41, a connecting rod 42, a sliding member 43, and a rotating seat 5 adapted to the sliding member 43. The crank 41 is connected to the output shaft of the motor, and the motor is used to drive the crank 41 to rotate. One end of the connecting rod 42 is hinged to the crank 41, and the hinged position is offset from the rotation center of the crank 41, as Figures 3 - 5 shown. The other end of the connecting rod 42 is hinged to the sliding member 43. The sliding member 43 is movably constrained to the rotating seat 5. The rotating seat 5 is connected to the carrier 1. The rotating seat 5 is used to guide the sliding member 43 to move linearly in the vertical direction. The moving cutter 2 is arranged below the sliding member 43 and is in transmission connection with the sliding member 43. During use, the cutting power 4 drives the crank 41 to rotate. The crank 41 drives the sliding member 43 to make a linear reciprocating motion relative to the rotating seat 5 through the connecting rod 42. The moving cutter 2 moves synchronously with the sliding member 43 under the drive of the sliding member 43, so that the moving cutter 2 can perform a cutting motion in the vertical direction.

[0042] In this embodiment, the rotating seat 5 can be connected to the carrier 1 through a bearing 63, as Figure 5 shown, so that the rotating seat 5 can rotate relative to the carrier 1. The rotating power 7 can be installed on the carrier 1. The rotating power 7 is in transmission connection with the rotating seat 5 through a rotating transmission mechanism 71, so as to drive the rotating seat 5 to rotate by using the rotating power 7. The rotating seat 5 is configured with a guiding hole 51 adapted to the sliding member 43, as Figure 5 shown. The guiding hole 51 is arranged in the vertical direction, and the center of the guiding hole 51 coincides with the rotation center of the rotating seat 5.

[0043] As Figure 5 shown, the sliding member 43 is slidably arranged in the guiding hole 51. During implementation, the guiding hole 51 is preferably configured as a circular hole, and the sliding member 43 is also configured as a cylindrical structure. The outer diameter of the sliding member 43 is smaller than the inner diameter of the guiding hole 51, so that the sliding member 43 can linearly slide relative to the rotating seat 5, and the rotating seat 5 can rotate relative to the sliding member 43.

[0044] As Figure 5 shown, the upper end of the transmission rod 44 is connected to the sliding member 43 through a bearing 63. The mounting head 45 is fixedly installed at the lower end of the transmission rod 44. A guiding notch 52 is formed on the side surface of the lower end of the rotating seat 5. The mounting head 45 is configured with a limiting protrusion 46 adapted to the guiding notch 52. The limiting protrusion 46 is inserted into the guiding notch 52. The limiting protrusion 46 and the guiding notch 52 form a moving pair in the vertical direction, as Figure 3As shown, the moving blade 2 can be detachably mounted on the mounting head 45 through fasteners. During use, the punching power can drive the sliding member 43 to vertically move up and down relative to the rotating base 5. The sliding member 43 drives the transmission rod 44 to vertically move up and down. The transmission rod 44 drives the mounting head 45 to vertically move up and down. The mounting head 45 drives the moving blade 2 to vertically move up and down relative to the rotating base 5, so as to achieve the purpose of driving the moving blade 2 to perform a cutting motion in the vertical direction. At the same time, during use, the rotating power 7 can drive the rotating base 5 to rotate relative to the carrier 1. The rotating base 5 drives the mounting head 45 to rotate through the cooperation of the guiding notch 52 and the limiting protrusion 46. The mounting head 45 drives the moving blade 2 to rotate relative to the carrier 1, so as to achieve the purpose of driving the moving blade 2 to rotate.

[0045] During implementation, the rotary transmission mechanism 71 can adopt one or a combination of multiple types such as a belt transmission mechanism, a gear transmission mechanism, or a chain transmission mechanism. For example, as Figures 3 - 5 shown, the rotating power 7 is a motor, and the rotary transmission mechanism 71 can adopt a synchronous belt transmission mechanism. The synchronous belt transmission mechanism includes a driving wheel, a driven wheel, and a synchronous belt. The driving wheel can be mounted on the output shaft of the motor, and the driven wheel can be arranged on the rotating base 5. As Figures 3 - 5 shown, it is only necessary to tension the synchronous belt on the driving wheel and the driven wheel.

[0046] In this embodiment, the fixed blade 3 is mounted on the rotating base 5. As Figures 6 - 9 shown, the fixed blade 3, the moving blade 2, and the rotating base 5 can rotate synchronously to ensure that the orientations of the fixed blade 3 and the moving blade 2 are always the same. At the same time, in this embodiment, the fixed blade 3 can be integrally constructed as a plate-like structure. As Figure 2 shown, so as to better adapt to the moving blade 2. For example, in this embodiment, the fixed blade 3 can preferably adopt an L-shaped plate-like structure. As Figure 2 shown. The fixed blade 3 is configured with a third blade edge 31 adapted to the second blade edge 22. During implementation, the third blade edge 31 can preferably be constructed on the lower edge of the fixed blade 3. As Figure 2 shown, the third blade edge 31 faces downward. During implementation, the third blade edge 31 can be horizontally arranged (at this time, the third blade edge 31 faces directly downward), or can be inclined relative to the horizontal direction. As Figure 2 shown. At this time, the third blade edge 31 faces obliquely downward. The horizontal inclination angle of the third blade edge 31 can be determined according to actual needs, and will not be exemplified one by one here.

[0047] As Figure 2 shown, the upper end of the fixed blade 3 is also configured with a mounting hole 32 to facilitate the detachable installation of the fixed blade 3 by using fasteners. For example, during implementation, the fixed blade 3 can be detachably mounted on the clamping member 6 through fasteners such as bolts or screws. The clamping member 6 can be detachably clamped to the lower end of the rotating base 5 through fasteners such as bolts or screws. As Figures 6 - 9As shown, the moving knife 2 and the fixed knife 3 can be parallel to each other, and the position of the third cutting edge 31 is higher than that of the first cutting edge 21, such as Figure 6 shown; when the moving knife 2 moves to the lowest point, at least a part of the third cutting edge 31 should be higher than the second cutting edge 22. The third cutting edge 31 can be horizontally arranged or inclined relative to the horizontal direction, such as Figure 9 shown, the third cutting edge 31 faces the second cutting edge 22, and a cutting opening 33 (similar to scissors) is formed between the second cutting edge 22 and the third cutting edge 31. When in use, when the first cutting edge 21 makes a cutting movement driven by the moving knife 2, the second cutting edge 22 moves up and down relative to the third cutting edge 31 driven by the moving knife 2, so that the cutting movement can be realized through the cooperation of the second cutting edge 22 and the third cutting edge 31, achieving the purpose of cutting fabrics, especially suitable for cutting non-tensioned fabrics and the edges of fabrics.

[0048] During assembly, the moving knife 2 and the fixed knife 3 can be fitted and installed, such as Figure 8 shown, which is more conducive to the second cutting edge 22 and the third cutting edge 31 to achieve better cutting cooperation for better fabric cutting. In addition, during implementation, there can also be a certain distance between the moving knife 2 and the fixed knife 3, so that the moving knife 2 and the fixed knife 3 do not contact each other, thereby avoiding damage to the fabric caused by heat generation due to friction between the high-speed moving knife 2 and the fixed knife 3. During implementation, the clamping member 6 can adopt an existing hoop structure, and as Figure 6 and Figure 7 shown, the clamping member 6 preferably adopts a cylindrical structure, and the clamping member 6 is configured with a connection hole 61 for clamping and an assembly hole 62 for installing the fixed knife 3.

[0049] This electric cutting head, compared with the prior art, has two working modes of cutting and cutting, and the two working modes can be determined according to actual needs, which can meet the use requirements of more occasions and has better versatility.

[0050] Embodiment 2

[0051] To solve the problems that the cutting tool exposed at the lower end of the cutting module is likely to accidentally damage the fabric and easily hurt the staff, leading to safety accidents, the main difference between this embodiment and the above embodiment is that the electric cutting head provided in this embodiment further includes a protection device, and the protection device includes at least a protective cover 9 for shielding the side of the tool and a protection power 8 for driving the lifting of the protective cover 9, and the protection power 8 is installed on the carrier 1, such as Figure 10 and Figure 11As shown, the protection power source 8 is drivingly connected to the protective cover 9. The protection power source 8 is used to drive the protective cover 9 to vertically lift and lower, so as to shield the cutting edges of the cutting tool (including the first cutting edge 21 and / or the second cutting edge 22 and / or the third cutting edge 31), achieving the purpose of isolation and protection. During actual use, when the protection power source 8 drives the protective cover 9 to descend to a predetermined position, the protective cover 9 can shield the cutting edges of the moving cutter 2 and the fixed cutter 3, so as to play a role in isolation and protection. It can not only prevent the cutting edges that are not exposed from accidentally damaging the fabric, but also prevent personnel from touching the cutting edges, which can significantly improve safety. For example, in one implementation, when the protection power source 8 drives the protective cover 9 to descend to a first predetermined position, the protective cover 9 can exactly shield the side surface at the lower end of the cutting tool, thereby achieving the purpose of shielding the first cutting edge 21, the second cutting edge 22, and the third cutting edge 31. When the cutting function needs to be used, the protection power source 8 drives the protective cover 9 to ascend to a second predetermined position, so that the first cutting edge 21, the second cutting edge 22, and the third cutting edge 31 are all exposed, so as to perform cutting or trimming work.

[0052] During implementation, the protection power source 8 has various implementation manners. For example, in some implementations, the protection power source 8 can adopt a motor. The motor can be drivingly connected to the protective cover 9 through a linear transmission mechanism. During implementation, the linear transmission mechanism can adopt a gear-rack mechanism or a lead screw-nut mechanism, so as to convert the rotational motion of the motor into a linear motion, thereby driving the protective cover 9 to vertically lift and lower, so as to achieve the purpose of protecting the cutting edge and exposing the cutting edge.

[0053] Also, for example, in some other implementations, the protection power source 8 can also adopt an electric push rod. The electric push rod is arranged in the vertical direction, and the electric push rod is drivingly connected to the protective cover 9. Similarly, in other implementations, the protection power source 8 can also adopt an electric cylinder. The electric cylinder is arranged in the vertical direction, and the electric cylinder is drivingly connected to the protective cover 9. Electric push rods and electric cylinders not only have the characteristics of small volume, large thrust, and good self-locking performance, but also can provide high-precision control.

[0054] In the preferred implementation provided in this embodiment, the protection power source 8 adopted is a cylinder, as Figure 10 and Figure 11 shown. The cylinder is fixed to the carrier 1. During implementation, the cylinder includes a cylinder body and a piston rod movably constrained in the cylinder body, as Figure 10 and Figure 11 shown. The cylinder body is installed on the movable part. The piston rod is arranged in the vertical direction, and the piston rod is drivingly connected to the protective cover 9, so as to drive the protective cover 9 to lift and lower through the telescopic movement of the piston rod, enabling the position of the protective cover 9 to be efficiently switched between the first predetermined position and the second predetermined position, which is very convenient.

[0055] In implementation, the protective cover 9 has various implementation manners. For example, in one implementation manner, the protective cover 9 can be configured as a hollow cylindrical structure. As shown in Figure 10 and Figure 11 , the protective cover 9 is sleeved outside the tool, at least covering the tool, and it is only necessary to protect the power 8 and the protective cover 9 are drivingly connected. At this time, the internal space of the protective cover 9 should be large enough not to affect the normal rotation of the tool (the moving tool 2 and the fixed tool 3). As an example, as shown in Figure 10 and Figure 11 , the protective cover 9 can adopt a cylindrical structure. The protective cover 9 is sleeved outside the tool, and the inner diameter of the protective cover 9 is greater than the width of the tool and the diameter of the clamping member 6, so that the protective cover 9 can not only cover the lower end of the tool, but also cover the clamping member 6, so that the protective cover 9 can not only isolate and protect the tool, but also expose all the cutting edges of the tool.

[0056] In another implementation manner, the protective cover 9 can also be designed to rotate synchronously with the tool. As an example, the protective cover 9 includes a cover body 91 for shielding the cutting edge in the tool; the rotating seat 5 is provided with one or more guide rods 53 arranged in the vertical direction. As shown in Figures 12 - 13 , correspondingly, the protective cover 9 is also configured with through holes 93 adapted to each guide rod 53; at the same time, the cover body 91 is also configured with an annular fitting ring 92. As shown in Figures 12 - 13 , the through holes 93 can be preferably configured in the fitting ring 92. As shown in Figures 12 - 13 , which is more conducive to reducing the volume of the entire protective cover 9 and reducing the energy consumption during the working process; when the protective cover 9 is sleeved on the guide rod 53 through the through holes 93, the center of the fitting ring 92 coincides with the rotation center of the rotating seat 5, so that the rotating seat 5 can drive the protective cover 9 to rotate synchronously through the cooperation of the guide rod 53 and the through holes 93.

[0057] Since in this solution, the protective cover 9 can rotate synchronously with the tool, therefore, the lower end of the cover body 91 is configured with an inlet and outlet 95 for the tool to enter and exit, and the inlet and outlet 95 is configured to be adapted to the thickness and width of the tool. As an example, as shown in Figures 12 - 13 , the lower end of the cover body 91 is configured with four side blocking portions 94. The four side blocking portions 94 are in pairs and jointly enclose a rectangular inlet and outlet 95. The width of the inlet and outlet 95 is adapted to the thickness of the tool (at least including the thickness of the fixed tool 3 and the moving tool 2), and the length of the inlet and outlet 95 is adapted to the width of the tool, so that the gap between the protective cover 9 and the tool can be greatly reduced, which is beneficial to the simpler structure and smaller volume of the entire protective cover 9, and can effectively prevent the protective cover 9 from interfering with the cutting and trimming process.

[0058] Correspondingly, this design also includes a limiting member 81 adapted to the fitting ring 92. The limiting member 81 is configured with a limiting groove 82 adapted to the fitting ring 92. As shown in Figures 12 - 13As shown in the figure, during assembly, one side of the mating ring 92 is limited and constrained within the limiting groove 82 of the limiting component 81. The mating ring 92 can rotate relative to the limiting component, thereby achieving the separation of rotational motion. The limiting component 81 is drivingly connected to the protection power 8, and the protection power 8 drives the limiting component 81 to move up and down. Thus, the entire protective cover 9 can be driven to move vertically up and down through the cooperation between the limiting component 81 and the mating ring 92. For example, as Figures 12 - 13 shown, when the protection power 8 is a cylinder, the limiting component 81 can be fixed to the piston rod of the cylinder. During implementation, the limiting groove 82 can be a notch formed on one side of the limiting component 81, or an annular notch formed on the side surface of the limiting component 81, as Figures 12 - 13 shown, which is beneficial for making the installation and assembly process simpler and more convenient.

[0059] During implementation, the mating ring 92 can be arranged on the side surface of the cover body 91, or on the top of the cover body 91, as Figures 12 - 13 shown; the entire protective cover 9 can preferably adopt an integrally formed component.

[0060] In this embodiment, since the overall tool is in a flat structure and the cutting edges are usually located on both sides of the tool (the moving tool 2 or the fixed tool 3), the protective cover 9 needs to preferably block both sides corresponding to the cutting edges of the tool. As shown in the figure, for other directions, the protective cover 9 does not need to block. Therefore, during implementation, the cover body 91 has various implementation manners. For example, the upper end of the cover body 91 can preferably be constructed as a cylindrical structure, the center of the cover body 91 can be consistent with the rotation center of the rotating seat 5, and the diameter of the upper end of the cover body 91 can be constructed to be larger than the outer diameter of the clamping member 6 so as to cover the clamping member 6, as Figures 12 - 13 shown. Several openings 96 can be formed at the position on the side surface of the cover body 91 that does not correspond to the cutting edge position. As shown in the figure, this can not only reduce the weight of the protective cover 9, prevent interference in the structure, but also facilitate viewing the orientation and state of the internal tool through the openings 96.

[0061] Embodiment 3

[0062] This embodiment provides a cutting machine, including the electric cutting head described in Embodiment 1 or Embodiment 2, and the electric cutting head is installed on the machine frame.

[0063] To facilitate switching the working mode of the electric cutting head and adapting to different thicknesses of fabrics, during implementation, the electric cutting head can be installed on a position adjustment mechanism, and the position adjustment mechanism is arranged on the machine frame so as to use the position adjustment mechanism to adjust the position and height of the electric cutting head. Thus, two working modes (i.e., the cutting mode and the cutting-out mode) can be conveniently switched by changing the height of the electric cutting head, which is very convenient and efficient. The position adjustment mechanism can be implemented by using the existing technology and will not be elaborated here.

[0064] The above are only specific embodiments of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model can easily conceive of changes or substitutions, which should all be covered within the protection scope of the present utility model.

Claims

1. An electric cutting head, comprising a carrier and a cutting module arranged on the carrier, the cutting module including a cutting tool, a cutting power for driving the cutting tool to perform a cutting action, and a rotating power for driving the cutting tool to rotate, characterized in that, It also includes a protection device, which includes a protection power and a protection cover for at least shielding the cutting edge of the tool. The protection power is connected to the protection cover in a transmission manner, and the protection power is used to drive the protection cover to rise and fall vertically to adjust the position of the protection cover.

2. The electric cutting head according to claim 1, wherein, The tool comprises a movable knife and a fixedly installed fixed knife, the lower end of the movable knife is configured with a first cutting edge facing downward, and the movable knife is also configured with a second cutting edge facing upward, and the second cutting edge is located above the first cutting edge; The fixed knife is structured with a third cutting edge adapted to the second cutting edge, the third cutting edge corresponds to the second cutting edge, and a cutting edge is formed between the second cutting edge and the third cutting edge; the cutting power is transmission-connected to the movable knife for driving the movable knife to perform cutting motion in a vertical direction.

3. The electric cutting head according to claim 2, wherein The cutting module also includes a cutting transmission mechanism, which includes a sliding component and a rotating seat adapted to the sliding component, the rotating seat is constructed with a guide hole adapted to the sliding component, the rotating seat is connected to the supporting frame, the sliding component is movably constrained in the guide hole, and the guide hole is used to guide the sliding component to rise and fall in the vertical direction; the cutting power is transmission connected to the sliding component, and the sliding component is transmission connected to the moving knife.

4. The electric cutting head according to claim 3, characterized in that, The cutting transmission mechanism also includes a crank and a connecting rod. The cutting power is a motor. The crank is connected to the output shaft of the motor. The motor is used to drive the crank to rotate. One end of the connecting rod is hinged to the crank. The hinge position deviates from the rotation center of the crank. The other end of the connecting rod is hinged to the sliding component.

5. The electric cutting head according to claim 3, wherein, The cutting module also includes a rotary power, a rotary transmission mechanism, a transmission rod and a mounting head, wherein the rotary seat is rotatably connected to the carrier, and the rotary power is connected to the rotary seat through the rotary transmission mechanism for driving the rotary seat to rotate; the upper end of the transmission rod is rotatably connected to the sliding component, and the mounting head is fixedly mounted on the lower end of the transmission rod; the side of the rotary seat is configured with a guide notch, and the mounting head is configured with a limiting protrusion adapted to the guide notch, the limiting protrusion is inserted into the guide notch, and the limiting protrusion and the guide notch constitute a moving pair along the vertical direction; The moving knife is installed on the installation head; The fixed knife is installed on the rotating seat and is located on one side of the moving knife.

6. The electric cutting head according to any one of claims 1-5, characterized in that The protective cover is a hollow cylindrical structure, which is sleeved on the outside of the tool and covers at least the side of the tool; The protective power is installed on the carrier frame, and the cutting module can rotate relative to the protective cover.

7. The electric cutting head according to claim 5, wherein, The protective cover comprises a cover body at least used for shielding the cutting edge of the tool, and the lower end of the cover body is configured with an inlet and outlet for the tool to enter and exit; the rotating seat is provided with one or more guide rods arranged in the vertical direction; the protective cover is also configured with a through hole adapted to the guide rod; the cover body is configured with a matching ring in an annular shape; the protective device also comprises a limiting component adapted to the matching ring, and the limiting component is configured with a limiting groove adapted to the matching ring; The cover body is sleeved on the outside of the tool through the through hole and the guide rod, one side of the matching ring is limited and constrained in the limiting groove of the limiting component, and the limiting component is connected to the protection power transmission.

8. The electric cutting head according to claim 7, wherein The lower end of the cover body is configured with four side baffles, which correspond to each other in pairs and together form a rectangular inlet and outlet; And / or, the through hole is configured in a matching ring; the matching ring is disposed on the top of the cover body; And / or, the protective cover is an integrally formed component; And / or, the side surface of the cover body is configured with a plurality of openings.

9. The electric cutting head according to claim 3, characterized in that, It further includes a clamping member which is detachably clamped to the rotating base by a fastener, and the fixed cutter is detachably mounted on the clamping member by a fastener; The protection power is provided by a cylinder.

10. A cutting machine, characterized in that, It includes the electric cutting head according to any one of claims 1-9.

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