Portable cutting device

Abstract

The utility model belongs to the technical field of cutting processing, and discloses a portable cutting device, which comprises a body which can be placed on a working table and is provided with a cutting component and a traction mechanism; the take-up and pay-off module is arranged at the corner of the workbench, the take-up and pay-off module is used for taking up and paying off at least two cables, and the tail ends of the at least two cables are correspondingly connected with the traction mechanism; and the control module is electrically connected with the cutting assembly, the control module is electrically connected with the traction mechanism, and the control module controls the take-up and pay-off module to take up and pay off the cable, so that the body is controlled to move on the working table top, and the cutting assembly is controlled to move on the working table top for operation. The cutting machine is small in size, convenient to carry and wide in application range, is not limited to a fixed site, can be directly used for a to-be-machined workbench plane or inclined plane, meets the requirement for machining parts of various sizes through cable traction conveying, and is suitable for various cutting machining operations.

Description

Technical Field

[0001] The utility model relates to a portable cutting device, belonging to the technical field of cutting processing. Background Art

[0002] CNC machine tools, short for Computer Numerical Control Machine Tools, are automated machine tools equipped with a program control system. This control system logically processes programs specified by control codes or other symbolic instructions, decodes them, and inputs them into the CNC device via an information carrier. The CNC device then issues various control signals to control the machine's movements and automatically manufacture parts.

[0003] Traditional automatic cutting mechanisms are mostly large three-axis vertical gantry CNC machine tools. Gantry CNC machine tools are large in size and occupy a large area. They require sufficient space for placement and operation and are limited to the use of dedicated sites. Although gantry CNC machines have advantages in processing large parts, their processing range is also subject to certain restrictions, and they cannot process parts that exceed their own range of dimensions. Utility Model Content

[0004] In response to the above-mentioned deficiencies in the prior art, the purpose of the present utility model is to provide a portable cutting device which is small in size, easy to carry, and can be used in any location. It can be directly used on the plane or inclined surface of the workbench to be processed, and can be pulled and transmitted by cables to meet the needs of processing parts of various sizes. It is suitable for a variety of cutting and processing operations and has a wide range of uses.

[0005] To achieve the above objectives, the present invention provides a portable cutting device, comprising:

[0006] A main body, which can be placed on a work surface, is provided with a cutting assembly and a traction mechanism;

[0007] A wire retracting and releasing module is provided at a corner of the workbench, and the wire retracting and releasing module retracts and releases at least two cables, and the tail ends of the at least two cables are correspondingly connected to the traction mechanism;

[0008] A control module is electrically connected to the cutting assembly, and the control module is electrically connected to the traction mechanism. The control module controls the retractable cable module to retract and retract the cable to control the movement of the body on the work surface and the movement of the cutting assembly on the work surface.

[0009] Furthermore, as a more preferred embodiment of the present invention, it also includes a wire fixing seat, which is arranged at the corners of the work surface, and the number of the wire fixing seats is adapted to the number of retractable wires. The cables extending from the retractable wire module are positioned through the wire fixing seat and then connected to the traction mechanism on the main body.

[0010] The wire fixing seat is detachably connected to the wire receiving box; the wire fixing seat is provided with a clamping opening adapted to the corner of the work surface, and an extrusion piece is provided on one side of the clamping opening, the clamping opening is clamped into the corner of the work surface, and the other side of the clamping opening is pressed against the corner of the work surface by the extrusion piece;

[0011] The end of the cable is provided with a fastener, and the top of the cable fixing seat is provided with a positioning piece adapted to the fastener, and the fastener is connected with the positioning piece by a snap connection.

[0012] Furthermore, as a more preferred embodiment of the present invention, there are more than two retractable wire modules.

[0013] Furthermore, as a more preferred embodiment of the present invention, when there are two retractable wire modules, the two retractable wire modules are centrally symmetrically arranged on the work surface;

[0014] Furthermore, as a more preferred embodiment of the present invention, when four retractable and pay-out modules are provided, the four retractable and pay-out modules are evenly distributed on the four corners of the work surface.

[0015] Furthermore, as a more preferred embodiment of the present invention, the wire-reeling and retracting module includes a wire-reeling box, a wire-reeling reel is provided in the wire-reeling box, the wire-reeling reel is rotatably connected to the wire-reeling box, the cable is connected to the wire-reeling reel, an elastic reset member is installed on the wire-reeling reel, and the elastic reset force of the elastic reset member enables the cable to remain tautly wound around the wire-reeling reel.

[0016] Furthermore, as a more preferred embodiment of the present invention, the body includes a first support member and a second support member;

[0017] The traction mechanism is provided between the first support member and the second support member;

[0018] The traction mechanism comprises:

[0019] A transmission roller member, wherein a rotatable transmission roller member is provided between the first support member and the second support member;

[0020] a driving member, the driving member being in driving connection with the transmission roller member so that the driving member can drive the transmission roller member to rotate;

[0021] The limiting roller component is a U-shaped cable wrapped around a semicircle on one side of the transmission roller component. The limiting roller components are respectively provided on both sides of the U-shape. The limiting roller component can be rotatably provided between the first support component and the second support component to limit the cable from being disengaged from the transmission of the transmission roller component.

[0022] The main body also includes a pad that is in sliding contact with the work surface, a movable slot is provided in the middle of the pad, and movable windows that are adapted to the cutting assembly are respectively provided in the middle of the first support member and the second support member. The cutting assembly can cut the material on the work surface through the movable slot and the movable window.

[0023] Furthermore, as a more preferred embodiment of the present invention, the traction mechanism further includes a first limiting member, a second limiting member and a third limiting member;

[0024] The first limiting member is connected to the first supporting member;

[0025] The second limiting member is connected to the first supporting member;

[0026] The third limiting member is connected to the first supporting member;

[0027] A first guide port for guiding the cable to slide in or out is formed between the first limiting member and the second limiting member; a second guide port for guiding the cable to slide in or out is formed between the second limiting member and the third limiting member.

[0028] The traction mechanism also includes a fourth limiting member, which is connected to the first supporting member; the fourth limiting member is provided with an arc portion adapted to the connection between the cable and the transmission roller member, the transmission roller member is a pulley, and the arc portion abuts against the outer side of the connection between the cable to limit the cable and the transmission roller member from being out of engagement.

[0029] Furthermore, as a more preferred embodiment of the present invention, the cutting assembly includes a lifting transmission mechanism, a cutting tool, and a power member for driving the cutting tool;

[0030] The sliding end of the lifting transmission mechanism is provided with a sliding seat, and the sliding seat is rotatably connected to the cutting tool; the sliding seat is provided with the power member, and the power member is transmission-connected to the cutting tool. The lifting transmission mechanism drives the cutting tool to slide in the vertical direction, and the power member provides power to the cutting tool so that the cutting tool cuts downwards into the material on the work surface.

[0031] Furthermore, as a more preferred embodiment of the present invention, the control module is provided on the main body, or wirelessly interacts with the main body.

[0032] The cutting assembly further comprises a cover body, which is detachably connected to the main body and is provided with a slot hole adapted to the traction mechanism and the cutting assembly.

[0033] Compared with the prior art, the beneficial effects are:

[0034] 1. The utility model pulls the wire retracting and releasing module onto the work surface, and the control module controls the traction mechanism to retract and release the corresponding cables, so that the body moves on the work surface, driving the cutting assembly to move and operate on the work surface. The portable cutting device of the utility model is small in size and easy to carry. It is not limited to fixed sites and can be directly used on the flat or inclined surface of the work table to be processed. It is pulled and transmitted by cables, which meets the requirements of processing parts of various sizes. It is suitable for a variety of cutting and processing operations and has a wide range of uses.

[0035] In particular, the traction mechanism of the present invention is connected to the retractable wire module only by a cable, and no additional space for integrating the retractable wire module is required on the main body. The main body is smaller in size and lighter in weight, and less electric energy is consumed during traction.

[0036] 2. The cutting assembly in the utility model can move the cutting tool in the vertical direction through the lifting transmission mechanism, which can control the cutting depth of the material on the work surface. The required shape or pattern can be processed on the surface to be processed according to needs. The cutting tool can be a brush tool for marking, or a laser processing tool, or CNC processing, or film cutting, etc. It is suitable for a variety of cutting and processing operations and has a wide range of uses.

[0037] 3. The traction mechanism in the present invention pulls the cable in a manner that the cable is wrapped around a semicircle on one side of a transmission roller member in a U shape, and limiting roller members are respectively provided on both sides of the U shape to prevent the cable from being disengaged from the transmission of the transmission roller member, wherein a first guide port for guiding the cable to slide in or out and a second guide port for guiding the cable to slide in or out are also provided. The first guide port and the second guide port can better keep the cable in a U shape for introduction and export when the cable is guided in or out; the traction mechanism in the present invention also includes a fourth limiting member, and the transmission roller member can be a pulley, and the arc portion abuts against the outer side of the cable wrapped around the transmission roller member, that is, the outer side of the U-shaped bottom, to prevent the cable from being disengaged from the transmission roller member, thereby ensuring the stability of the transmission.

[0038] 4. The purpose of the detachable connection between the center line seat and the wire take-up box in the present invention is to detach the wire seat from the wire take-up box, control the traction mechanism to recycle the cable, and the wire take-up box receives the cable recovered by the traction mechanism until the wire take-up box is close to the main body, thereby storing the cables on the entire device, which is convenient for carrying as a whole, and the wire seat is carried separately; when in use, the wire seat can be first fixed to the four corners of the work surface, and then the wire take-up box is pulled to connect with the wire seat, and the traction mechanism is controlled to release the cable, so that the clip at the end of the cable can be positioned and clamped on the clamping piece on the top of the wire seat, wherein the retracted and released cable is parallel to the work surface, thereby improving the stability of the cable transmission. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] Figure 1 This is a schematic structural diagram of the portable cutting device in the embodiment after the cover is unfolded;

[0040] Figure 2 Schematic diagram of the structure of the lifting transmission mechanism and the cutting tool in the embodiment;

[0041] Figure 3 This is a schematic diagram of the structure of the body after expansion in the embodiment;

[0042] Figure 4 This is a schematic structural diagram of the traction mechanism after it is deployed in the embodiment;

[0043] Figure 5 This is a schematic diagram of the structure of the unfolded retractable wire module in the embodiment;

[0044] Figure 6 This is a structural diagram of the retractable wire module in the embodiment;

[0045] Figure 7 This is a schematic diagram of the structure of the portable cutting device pulling out the retractable wire module in the embodiment;

[0046] Figure 8 It is a structural schematic diagram of an embodiment of a portable cutting device arranged on a work surface in the embodiment.

[0047] Reference numerals:

[0048] 1-body, 11-first support member, 111-movable window, 12-second support member, 13-backing plate, 131-movable notch, 132-slip ring;

[0049] 2-cutting assembly, 21-lifting transmission mechanism, 211-sliding end, 212-sliding seat, 213-power member, 22-cutting tool, 23-cover, 231-slot;

[0050] 3- traction mechanism, 31- transmission roller member, 32- driving member, 33- limiting roller member, 34- driving gear, 35- driven gear, 36- first limiting member, 361- first guide port, 37- second limiting member, 371- second guide port, 38- third limiting member, 39- fourth limiting member;

[0051] 4-wire retractable module, 41-cable, 411-fastener, 42-wire box, 43-wire drum, 44-elastic reset member, 45-wire fixed seat, 451-clamping port, 452-locking member, 46-extrusion member, 461-pad;

[0052] 5-Work surface. DETAILED DESCRIPTION

[0053] In order to enable those skilled in the art to better understand the technical solutions in this application, the technical solutions in the embodiments of this application will be clearly and completely described below in conjunction with the drawings in the embodiments of this application. Obviously, the described embodiments are only part of the embodiments of this application, not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without making any creative efforts shall fall within the scope of protection of this application.

[0054] It should be noted that when an element is referred to as being “fixed on” or “set on” another component, it can be directly on the other component or indirectly set on the other component; when a component is referred to as being “connected to” another component, it can be directly connected to the other component or indirectly connected to the other component.

[0055] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or component referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this application.

[0056] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be understood to indicate or imply relative importance or implicitly specify the number of the technical features indicated. Thus, a feature specified as "first" or "second" may explicitly or implicitly include one or more of the features. Throughout the description of this application, "plurality" or "several" means two or more, unless otherwise specifically defined.

[0057] It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the conditions under which this application can be implemented. Therefore, they have no substantive technical significance. Any structural modification, change in proportional relationship or adjustment of size should still fall within the scope of the technical content disclosed in this application without affecting the efficacy and purpose that can be achieved by this application.

[0058] Example

[0059] This embodiment is intended to promote the solution of traditional automatic cutting mechanisms, which are mostly large three-axis vertical gantry CNC machines. Gantry CNC machines are large in size and occupy a large area. They require sufficient space for placement and operation and are limited to the use of dedicated sites. Although gantry CNC machines have advantages in processing large parts, their processing range is also subject to certain restrictions, and they cannot process parts that exceed their own range of dimensions.

[0060] To this end, the purpose of this embodiment is to provide a portable cutting device that is small in size, easy to carry, and can be used in any location. It can be directly used on the flat or inclined surface of the workbench to be processed, and is pulled and transmitted by a cable 41 to meet the needs of processing parts of various sizes. It is suitable for a variety of cutting and processing operations and has a wide range of uses.

[0061] Reference Figure 1-8 As shown, a portable cutting device comprises:

[0062] The main body 1 can be placed on a work surface 5. The main body 1 is provided with a cutting assembly 2 and a traction mechanism 3;

[0063] The wire retracting and releasing module 4 is arranged at the corner of the workbench. The wire retracting and releasing module 4 retracts and releases at least two cables. The tail ends of at least two cables are correspondingly connected to the traction mechanism 3;

[0064] The control module is electrically connected to the cutting assembly 2 and the traction mechanism 3. The control module controls the retractable cable module 4 to retract and retract the cable to control the main body 1 to move on the work surface 5 and control the cutting assembly 2 to move and operate on the work surface 5.

[0065] Reference Figure 1 、 5 As shown in Figure 6, specifically, in this embodiment, a wire fixing seat 45 is further included. The wire fixing seat 45 is arranged at the corners of the work surface 5, and the number is adapted to the number of retractable wires. The cables extending from the retractable wire module 4 are positioned by the wire fixing seat 45, and then correspondingly connected to the traction mechanism 3 on the main body 1.

[0066] The wire fixing seat 45 is detachably connected to the wire receiving box 42; the wire fixing seat 45 is provided with a clamping opening 451 adapted to the corner of the work surface 5, and an extrusion piece is provided on one side of the clamping opening 451. The clamping opening 451 is clamped into the corner of the work surface 5, and the other side of the clamping opening 451 is pressed against the corner of the work surface 5 by the extrusion piece.

[0067] The end of the cable 41 is provided with a fastener 411, and the top of the cable holder 45 is provided with a retaining member 452 that matches the retaining member 411. The retaining member 411 is snap-connected to the retaining member 452. In this embodiment, the extrusion member 46 can be a bolt, and the end of the bolt is provided with a pad 461 for rotational connection. In this embodiment, the control module can be a control module based on a PLC (Programmable Logic Controller), a single-chip control module, or a control module based on an FPGA (Field Programmable Gate Array).

[0068] There can be more than two retractable and retractable wire modules 4 .

[0069] In some embodiments, when two retractable and unretractable modules 4 are provided, the two retractable and unretractable modules 4 are centrally symmetrically arranged on the work surface 5 to control the body 1 to perform linear cutting operations.

[0070] In some embodiments, when three retractable and unretractable wire modules 4 are provided, the three retractable and unretractable wire modules 4 are evenly distributed on the four corners of the work surface 5 in the shape of an isosceles triangle.

[0071] In some embodiments, when four retractable and unretractable modules 4 are provided, the four retractable and unretractable modules 4 are evenly distributed on the four corners of the work surface 5 to control the main body 1 to perform XY axis cutting operations.

[0072] Reference Figure 5 As shown, the wire retracting and unreeling module 4 includes a wire take-up box 42, in which a wire take-up drum 43 is disposed. The wire take-up drum 43 is rotatably connected to the wire take-up box 42, and the cable 41 is connected to the wire take-up drum 43. An elastic return member 44 is mounted on the wire take-up drum 43. The elastic return force of the elastic return member 44 keeps the cable 41 tautly wound around the wire take-up drum 43. The wire take-up box 42 in the embodiment is prior art and will not be described in detail here.

[0073] Reference Figure 3 and 4 As shown, specifically, in this embodiment, the body 1 includes a first support 11 and a second support 12;

[0074] A traction mechanism 3 is provided between the first support 11 and the second support 12;

[0075] The traction mechanism 3 includes:

[0076] A transmission roller member 31 is provided between the first support member 11 and the second support member 12.

[0077] The driving member 32 is in transmission connection with the transmission roller member 31 so that the driving member 32 can drive the transmission roller member 31 to rotate;

[0078] The limiting roller component 33 and the cable 41 are U-shaped and wrapped around a semicircle on one side of the transmission roller component 31. The limiting roller components 33 are respectively provided on both sides of the U-shape. The limiting roller component 33 can be rotatably provided between the first support 11 and the second support component 12 to limit the cable 41 from being disengaged from the transmission of the transmission roller component 31.

[0079] Reference Figure 3 and 4 As shown, the body 1 also includes a backing plate 13 that slides in contact with the work surface 5. A movable notch 131 is provided in the middle of the backing plate 13. The first support 11 and the second support 12 are respectively provided with movable windows 111 that adapt to the cutting assembly 2. The cutting assembly 2 can cut the material on the work surface 5 through the movable notch 131 and the movable window 111. A slip ring 132 is provided at the bottom of the movable notch 131 for smooth connection with the work surface 5.

[0080] Reference Figure 4 As shown, in this embodiment, the driving member 32 can be a servo motor. The driving member 32 is fixedly arranged on the top of the first support member 11. The output shaft of the driving member 32 passes through the first support member 11. A driving gear 34 is installed on the output shaft. The transmission roller member 31 is rotatably connected to the first support member 11 and the second support member 12 through the two ends of the rotating shaft respectively; a driven gear 35 is installed on the rotating shaft, and the driven gear 35 meshes with the driving gear 34.

[0081] Reference Figure 4 As shown, in this embodiment, the limiting roller member 33 can adopt a bearing, and the bearing is rotatably connected to the first support member 11 and the second support member 12 through the two ends of the rotating shaft. The outer side of the bearing is in contact with the cable 41. When the cable 41 is transmitted, it drives the bearing guide to roll.

[0082] Reference Figure 4 As shown, the traction mechanism 3 further includes a first limiting member 36, a second limiting member 37 and a third limiting member 38;

[0083] The first limiting member 36 is connected to the first support 11;

[0084] The second limiting member 37 is connected to the first support 11;

[0085] The third limiting member 38 is connected to the first support 11;

[0086] A first guide port 361 for guiding the cable 41 to slide in or out is formed between the first limiting member 36 and the second limiting member 37 ; a second guide port 371 for guiding the cable 41 to slide in or out is formed between the second limiting member 37 and the third limiting member 38 .

[0087] Reference Figure 4 As shown, the traction mechanism 3 also includes a fourth limit member 39, which is connected to the first support 11; the fourth limit member 39 is provided with an arc portion adapted to the connection between the cable 41 and the transmission roller member 31, and the transmission roller member 31 is a pulley, and the arc portion abuts against the outer side of the connection between the cable 41 to limit the cable 41 and the transmission roller member 31 from being out of engagement.

[0088] Reference Figure 2 As shown, the cutting assembly 2 includes a lifting transmission mechanism 21, a cutting tool 22 and a power member 213 for driving the cutting tool 22;

[0089] The sliding end 211 of the lifting transmission mechanism 21 is provided with a sliding seat 212, which is rotatably connected to the cutting tool 22; the sliding seat 212 is provided with a power piece 213, which is transmission-connected to the cutting tool 22. The lifting transmission mechanism 21 drives the cutting tool 22 to slide in the vertical direction, and the power piece 213 provides power to the cutting tool 22 so that the cutting tool 22 cuts downward the material on the work surface 5.

[0090] It should be added that the lifting transmission mechanism 21 of this embodiment can adopt the vertical slide in the prior art, and the vertical slide includes a servo motor, a reducer, a ball screw, a cross roller guide and a slide body: among them, as the power source of the servo motor, the reducer converts the high-speed rotation into a low-speed and high-torque output to drive the ball screw to rotate. Ball screw: converts the rotational motion of the servo motor into linear motion. The nut of the ball screw is connected to the cross roller guide, and moves up and down with the rotation of the screw. Cross roller guide: provides high-precision guidance and support for the slide, ensuring the stability and accuracy of the slide during vertical movement. Slide body: It is the bearing platform of the vertical slide, used to install workpieces or fixtures, etc.

[0091] In this embodiment, the control module is disposed on the main body, or wirelessly interacts with the main body.

[0092] Reference Figure 4 As shown, the cutting assembly 2 further includes a cover 23 , which is detachably connected to the body 1 , and is provided with a slot 231 adapted to the traction mechanism 3 and the cutting assembly 2 .

[0093] The above description of the disclosed embodiments will enable one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not limited to the embodiments shown herein but is intended to conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A portable cutting device, characterized in that: include: A main body, which can be placed on a work surface, is provided with a cutting assembly and a traction mechanism; A wire retracting and releasing module is provided at a corner of the workbench, and the wire retracting and releasing module retracts and releases at least two cables, and the tail ends of the at least two cables are correspondingly connected to the traction mechanism; A control module is electrically connected to the cutting assembly, and the control module is electrically connected to the traction mechanism. The control module controls the retractable cable module to retract and retract the cable to control the movement of the body on the work surface and the movement of the cutting assembly on the work surface.

2. The portable cutting device according to claim 1, characterized in that It also includes a wire fixing seat, which is arranged at the corners of the work surface. The number of the wire fixing seats matches the number of retractable wires. The cables extending from the retractable wire module are positioned through the wire fixing seat and then connected to the traction mechanism on the main body.

3. The portable cutting device according to claim 1 or 2, characterized in that: There are more than two retractable wire modules.

4. The portable cutting device according to claim 3, characterized in that When two retractable and pay-out modules are provided, the two retractable and pay-out modules are centrally symmetrically arranged on the work surface.

5. The portable cutting device according to claim 3, characterized in that When four retractable and unretractable wire modules are provided, the four retractable and unretractable wire modules are evenly distributed on the four corners of the work surface.

6. The portable cutting device according to claim 1, characterized in that The wire-reeling and retracting module includes a wire-reeling box, a wire-reeling drum is provided in the wire-reeling box, the wire-reeling drum is rotatably connected to the wire-reeling box, the cable is connected to the wire-reeling drum, and an elastic reset member is installed on the wire-reeling drum. The elastic reset force of the elastic reset member enables the cable to remain tautly wound around the wire-reeling drum.

7. The portable cutting device according to claim 1, characterized in that The body includes a first support member and a second support member; The traction mechanism is provided between the first support member and the second support member; The traction mechanism comprises: A transmission roller member, wherein a rotatable transmission roller member is provided between the first support member and the second support member; a driving member, the driving member being in driving connection with the transmission roller member so that the driving member can drive the transmission roller member to rotate; The limiting roller component is a U-shaped cable wrapped around a semicircle on one side of the transmission roller component. The limiting roller components are respectively provided on both sides of the U-shape. The limiting roller component can be rotatably provided between the first support component and the second support component to limit the cable from being disengaged from the transmission of the transmission roller component.

8. The portable cutting device according to claim 7, characterized in that The traction mechanism further includes a first limiting member, a second limiting member and a third limiting member; The first limiting member is connected to the first supporting member; The second limiting member is connected to the first supporting member; The third limiting member is connected to the first supporting member; A first guide port for guiding the cable to slide in or out is formed between the first limiting member and the second limiting member; a second guide port for guiding the cable to slide in or out is formed between the second limiting member and the third limiting member.

9. The portable cutting device according to claim 1, characterized in that The cutting assembly includes a lifting transmission mechanism, a cutting tool and a power member for driving the cutting tool; The sliding end of the lifting transmission mechanism is provided with a sliding seat, and the sliding seat is rotatably connected to the cutting tool; the sliding seat is provided with the power member, and the power member is transmission-connected to the cutting tool. The lifting transmission mechanism drives the cutting tool to slide in the vertical direction, and the power member provides power to the cutting tool so that the cutting tool cuts downwards into the material on the work surface.

10. The portable cutting device according to claim 1, characterized in that The control module is arranged on the main body, or interacts with the main body wirelessly.

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