Portable cutting device

Abstract

The invention belongs to the technical field of cutting processing, and discloses a portable cutting device, which comprises a body, a cutting component, a traction mechanism, a cutting component, a cutting component and a cutting component, 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 device 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 machining of parts of various sizes through cable traction conveying, and is suitable for various cutting machining operations.

Description

TECHNICAL FIELD

[0001] The present application relates to a portable cutting device, belonging to the technical field of cutting processing. BACKGROUND

[0002] Numerical control machine tool is the abbreviation of digital control machine tool, which is an automatic machine tool equipped with a program control system. The control system can logically process programs with control codes or other symbolic instructions, and translate them into codes, input them into numerical control devices through information carriers, and then issue various control signals to control the movement of the machine tool, automatically processing parts.

[0003] Traditional automatic cutting mechanism is mostly large three-axis vertical gantry numerical control machine tool. The gantry numerical control machine tool is large in size and occupies a large area, so it needs enough space for placement and operation, and is limited to special use. Although the gantry numerical control machine tool has advantages in processing large parts, its processing range is also limited, and it cannot process parts larger than its own range. SUMMARY

[0004] In view of the above shortcomings of the prior art, the present application aims to provide a portable cutting device which is small in size, easy to carry, not limited to fixed site use, can be directly used on the workbench plane or inclined plane to be processed, and meets the processing of parts of various sizes, is suitable for various cutting operations, and has a wide range of use.

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

[0006] A body can be placed on a workbench, the body is provided with a cutting assembly and a traction mechanism;

[0007] A line winding and unwinding module is arranged at the corner of the workbench, the line winding and unwinding module winds and unwinds at least two cables, and the tail ends of the at least two cables are connected to the traction mechanism correspondingly;

[0008] A control module is electrically connected with the cutting assembly and the traction mechanism, the control module controls the line winding and unwinding module to wind and unwind the cable, so as to control the movement of the body on the workbench and the movement of the cutting assembly on the workbench.

[0009] Further, as a more preferred embodiment of the present application, it further comprises a wire fixing seat, the wire fixing seat is arranged at the corner of the workbench, the number of the wire fixing seat is adapted to the number of the line winding and unwinding module, the cable extended from the line winding and unwinding module is positioned through the wire fixing seat, and then connected to the traction mechanism on the body correspondingly.

[0010] The wire holder is detachably connected to the take-up box; the wire holder is provided with a clamping opening that matches the corner of the workbench, and a pressing member is provided on one side of the clamping opening. The clamping opening is inserted into the corner of the workbench, and the pressing member presses the other side of the clamping opening against the corner of the workbench.

[0011] The cable end is provided with a buckle, and the top of the cable holder is provided with a locking member that is adapted to the buckle, and the buckle and the locking member are connected by a snap fastening.

[0012] Furthermore, as a more preferred embodiment of the present invention, the take-up and unwinding module is provided in two or more forms.

[0013] Furthermore, as a more preferred embodiment of the present invention, when two take-up and undo modules are provided, the two take-up and undo modules are arranged symmetrically on the workbench.

[0014] Furthermore, as a more preferred embodiment of the present invention, when four take-up and undo modules are provided, the four take-up and undo modules are evenly distributed on the four corners of the workbench.

[0015] Furthermore, as a more preferred embodiment of the present invention, the take-up and undo module includes a take-up box, a take-up drum is provided inside the take-up box, the take-up drum is rotatably connected to the take-up box, the cable is connected to the take-up drum, and an elastic reset member is installed on the take-up drum. The elastic reset force of the elastic reset member is such that the cable is kept tightly wound on the take-up drum.

[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 includes:

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

[0020] A driving component is connected to the transmission roller component so that the driving component can drive the transmission roller component to rotate;

[0021] The cable is wrapped in a U-shape around one side of the transmission roller component. The limiting roller component is provided on both sides of the U-shape. The limiting roller component is rotatably disposed between the first support component and the second support component to limit the cable from disengaging from the transmission roller component.

[0022] The main body also includes a pad that slides in contact with the workbench surface. The pad has a movable slot in the middle. The middle parts of the first support member and the second support member are respectively provided with movable windows that are adapted to the cutting component. The cutting component can pass through the movable slot and the movable window to cut the material on the workbench surface.

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

[0028] The traction mechanism further includes a fourth limiting member, which is connected to the first support member. The fourth limiting member is provided with an arc portion that is adapted to the junction of the cable and the transmission roller. The transmission roller is a pulley. The arc portion abuts against the outer side of the junction of the cable to limit the cable from disengaging from the transmission roller.

[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 component for driving the cutting tool;

[0030] The sliding end of the lifting transmission mechanism is provided with a sliding seat, which is rotatably connected to the cutting tool; the sliding seat is provided with the power component, which is connected to the cutting tool in a transmission manner; the lifting transmission mechanism drives the cutting tool to slide in the vertical direction; the power component provides power to the cutting tool so that the cutting tool cuts the material on the worktable downward.

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

[0032] The cutting assembly also includes a cover, which is detachably connected to the body, and the cover is provided with slots adapted to the traction mechanism and the cutting assembly.

[0033] Compared with existing technologies, its beneficial effects are:

[0034] 1. This invention pulls the cable reel module onto the worktable, and the control module controls the traction mechanism to reel in and release the corresponding cable, so that the main body moves on the worktable, driving the cutting component to move and operate on the worktable. The portable cutting device of this invention is small in size, easy to carry, and can be used in various locations without being limited to a fixed location. It can be used directly on the flat or inclined surface of the worktable to be processed. It can be conveyed by cable pulling, and can meet the processing needs of parts of various sizes. It is suitable for a variety of cutting operations and has a wide range of applications.

[0035] In particular, the traction mechanism and the take-up and release module of the present invention are connected only by a cable, and there is no need to set up a separate space on the main body for integrating the take-up and release module. The main body is smaller in size, lighter in weight, and consumes less power for pulling.

[0036] 2. In this invention, the cutting component 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 worktable. According to the requirements, the surface to be processed can be processed into the required shape or pattern. The cutting tool can be a drawing tool for scribing, a laser processing tool, a CNC machining tool, or a film cutting tool, etc., which is suitable for a variety of cutting and processing operations and has a wide range of applications.

[0037] 3. In this invention, the traction mechanism pulls the cable by wrapping the cable in a U-shape around one side of the semicircle of the transmission roller. Limiting rollers are provided on both sides of the U-shape to prevent the cable from disengaging from the transmission roller. A first guide port and a second guide port are also provided for guiding the cable to slide in or out. The first and second guide ports can better maintain the U-shape of the cable during the cable's sliding in and out. The traction mechanism in this invention also includes a fourth limiting component. The transmission roller can be a pulley, with its arcuate part abutting against the outer side of the cable wrapped around the transmission roller, i.e., the outer side of the bottom of the U-shape, to prevent the cable from disengaging from the transmission roller and to ensure the stability of the transmission.

[0038] 4. The purpose of the detachable connection between the cable holder and the take-up box in this invention is to allow the cable holder to be separated from the take-up box, control the traction mechanism to retrieve the cable, and the take-up box to collect the cable retrieved by the traction mechanism until the take-up box is close to the main body, thereby collecting all the cables in the device for easy overall carrying. The cable holder is carried separately. In use, the cable holder can be fixed to the four corners of the workbench first, and then the take-up box is pulled to connect with the cable holder. The traction mechanism is then controlled to release the cable, so that the clip at the end of the cable can be positioned and locked on the clip at the top of the cable holder. The released cable is parallel to the workbench, improving the stability of the cable transmission. Attached Figure Description

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

[0040] Figure 2 This is a schematic diagram of the lifting transmission mechanism and the cutting tool in the embodiment;

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

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

[0043] Figure 5 This is a schematic diagram of the unfolded structure of the wire take-up and untake-down module in the embodiment;

[0044] Figure 6 This is a schematic diagram of the wire take-up and unwinding module in the embodiment;

[0045] Figure 7 This is a schematic diagram of the structure of the portable cutting device pulling out the take-up and unwinding module in the embodiment;

[0046] Figure 8 This is a schematic diagram of the structure of the portable cutting device of the embodiment, which is installed on the workbench.

[0047] Figure label:

[0048] 1-Body, 11-First support member, 111-Movable window, 12-Second support member, 13-Pad, 131-Movable slot, 132-Slip ring;

[0049] 2-Cutting assembly, 21-Lifting transmission mechanism, 211-Sliding end, 212-Sliding seat, 213-Power component, 22-Cutting tool, 23-Cover body, 231-Slot;

[0050] 3-Traction mechanism, 31-Transmission roller component, 32-Drive component, 33-Limiting roller component, 34-Driving gear, 35-Driven gear, 36-First limiting component, 361-First guide port, 37-Second limiting component, 371-Second guide port, 38-Third limiting component, 39-Fourth limiting component;

[0051] 4-Cable take-up and take-down module, 41-Cable, 411-Snap fastener, 42-Cable take-up box, 43-Cable take-up tube, 44-Elastic reset component, 45-Cable holder, 451-Clamping port, 452-Card positioning component, 46-Extrusion component, 461-Pad body;

[0052] 5-Workbench surface. Detailed Implementation

[0053] 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 with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of the embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

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

[0055] It should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They 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, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0056] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, "multiple" or "several" means two or more, unless otherwise explicitly specified.

[0057] It should be noted that the structures, proportions, sizes, etc., shown in the accompanying drawings of this specification are only for the purpose of assisting those skilled in the art in understanding and reading the content disclosed in the specification, and are not intended to limit the conditions under which this application can be implemented. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in the proportions, or adjustments to the size should still fall within the scope of the technical content disclosed in this application, provided that they do not affect the effects and purposes that this application can produce.

[0058] Example

[0059] This embodiment aims to promote the solution of traditional automatic cutting mechanisms, which are mostly large three-axis vertical gantry CNC machine tools. Gantry CNC machine tools are large in size and occupy a large area, requiring sufficient space for placement and operation. Limited by the use of dedicated space, although gantry CNC machine tools have advantages in processing large parts, their processing range is also limited to a certain extent, and they cannot process parts that exceed their own size range.

[0060] Therefore, 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 various locations without being limited to a fixed location. It can be directly used on the flat or inclined surface of the workbench to be processed, and can be pulled and conveyed by cable 41. It can meet the processing needs of parts of various sizes, is suitable for a variety of cutting operations, and has a wide range of applications.

[0061] Reference Figures 1-8 As shown, a portable cutting device includes:

[0062] The main body 1 can be placed on a workbench 5. The main body 1 is equipped with a cutting component 2 and a traction mechanism 3.

[0063] The take-up and release module 4 is located at the corner of the workbench. The take-up and release module 4 takes up and releases at least two cables, and the tail ends of the at least two cables are 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 cable take-up and release module 4 to take up and release the cable, thereby controlling the main body 1 to move on the worktable 5 and controlling the cutting assembly 2 to move and operate on the worktable 5.

[0065] Reference Figure 1 , 5 As shown in Figure 6, specifically, in this embodiment, a wire positioning seat 45 is also included. The wire positioning seat 45 is set at the corner of the workbench 5, and the number of wires is adapted to the number of wires to be taken up and put down. The wires extending from the wire taking up and putting down module 4 are positioned by the wire positioning seat 45 and then connected to the traction mechanism 3 on the main body 1.

[0066] The cable holder 45 is detachably connected to the cable take-up box 42; the cable holder 45 is provided with a clamping port 451 that is adapted to the corner of the workbench 5, and a pressing member is provided on one side of the clamping port 451. The clamping port 451 is inserted into the corner of the workbench 5, and the other side of the clamping port 451 is pressed against the corner of the workbench 5 by the pressing member.

[0067] The cable 41 has a locking member 411 at its end, and the cable holder 45 has a locking member 452 adapted to the locking member 411 at its top. The locking member 411 and the locking member 452 are locked together. In this embodiment, the clamping member 46 can be a bolt, and the end of the bolt has a rotatably connected washer 461. In this embodiment, the control module can be a PLC (Programmable Logic Controller) based control module, a single-chip control module, or an FPGA (Field Programmable Gate Array) based control module.

[0068] There can be more than two take-up and untake-down modules 4.

[0069] In some embodiments, when two take-up and untake-up modules 4 are provided, the two take-up and untake-up modules 4 are arranged symmetrically on the worktable 5 to control the main body 1 to perform linear cutting operations.

[0070] In some embodiments, when three take-up and release modules 4 are provided, the three take-up and release modules 4 are evenly distributed in an isosceles triangle on the four corners of the workbench surface 5.

[0071] In some embodiments, when four take-up and untake-up modules 4 are provided, the four take-up and untake-up modules 4 are evenly distributed on the four corners of the worktable 5 to control the main body 1 to perform XY axis cutting operations.

[0072] Reference Figure 5 As shown, the cable take-up and undo module 4 includes a take-up box 42, inside which a take-up drum 43 is disposed. The take-up drum 43 is rotatably connected to the take-up box 42. The cable 41 is connected to the take-up drum 43. An elastic reset member 44 is installed on the take-up drum 43. The elastic reset force of the elastic reset member 44 keeps the cable 41 tightly wound on the take-up drum 43. In this embodiment, the take-up box 42 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 member 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 rotatable transmission roller component 31 is provided between the first support 11 and the second support component 12;

[0077] The driving component 32 is connected to the transmission roller component 31 so that the driving component 32 can drive the transmission roller component 31 to rotate.

[0078] The limiting roller component 33 has a cable 41 wrapped in a U-shape around one side of the transmission roller component 31. Limiting roller components 33 are respectively provided on both sides of the U-shape. The limiting roller component 33 is rotatably disposed between the first support 11 and the second support component 12 so as to limit the cable 41 from the transmission of the transmission roller component 31.

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

[0080] Reference Figure 4 As shown, in this embodiment, the driving component 32 can be a servo motor. The driving component 32 is fixedly mounted on the top of the first support component 11. The output shaft of the driving component 32 passes through the first support component 11, and a driving gear 34 is mounted on the output shaft. The transmission roller component 31 is rotatably connected to the first support component 11 and the second support component 12 through the two ends of the rotating shaft, respectively. A driven gear 35 is mounted 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 33 can be a bearing. The bearing is rotatably connected to the first support 11 and the second support 12 through the two ends of the rotating shaft. The outer side of the bearing abuts against the cable 41. When the cable 41 is in motion, it drives the bearing to roll.

[0082] Reference Figure 4 As shown, the traction mechanism 3 also 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 4As shown, the traction mechanism 3 also includes a fourth limiting member 39, which is connected to the first support 11. The fourth limiting member 39 is provided with an arc-shaped part that is adapted to the junction of the cable 41 and the transmission roller 31. The transmission roller 31 is a pulley. The arc-shaped part abuts against the outer side of the junction of the cable 41 to limit the cable 41 from disengaging from the transmission roller 31.

[0088] Reference Figure 2 As shown, the cutting assembly 2 includes a lifting transmission mechanism 21, a cutting blade 22, and a power component 213 for driving the cutting blade 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 component 213, which is 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 component 213 provides power to the cutting tool 22 so that the cutting tool 22 cuts the material on the worktable 5 downward.

[0090] It should be added that the lifting transmission mechanism 21 in this embodiment can adopt a vertical slide table as used in the prior art. The vertical slide table includes a servo motor, a reducer, a ball screw, a cross roller guide, and a slide table body. The servo motor serves as the power source, and the reducer converts high-speed rotation into low-speed, high-torque output to drive the ball screw to rotate. The 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 as the screw rotates. The cross roller guide provides high-precision guidance and support for the slide table, ensuring the stability and accuracy of the slide table during vertical movement. The slide table body is the load-bearing platform of the vertical slide table, used to mount workpieces or fixtures, etc.

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

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

[0093] The above description of the disclosed embodiments enables those skilled in the art to make or use the invention. Various modifications to these embodiments will be readily apparent to those 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 invention. Therefore, the invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A portable cutting device, characterized in that, The utility model relates to a cutting device for cutting workbench, including: A body can be placed on a workbench, the body is provided with cutting assembly and traction mechanism; A wire winding and unwinding module is arranged at the corner of the workbench, the wire winding and unwinding module winds and unwinds at least two cables, the tail end of the at least two cables is connected with the traction mechanism correspondingly; A control module is electrically connected with the cutting assembly, the control module is electrically connected with the traction mechanism, the control module controls the wire winding and unwinding module to wind and unwind the cable, controls the body to move on the workbench and controls the cutting assembly to move and work on the workbench.

2. The portable cutting device of claim 1, wherein, It also includes a wire seat, the wire seat is arranged at the corner of the workbench, the number is adapted to the number of wire winding and unwinding, the cable extended by the wire winding and unwinding module is positioned through the wire seat, and then connected to the traction mechanism on the body correspondingly.

3. The portable cutting device according to claim 1 or 2, characterized in that, The wire winding and unwinding module is provided with more than two.

4. The portable cutting device of claim 3, wherein, When the wire winding and unwinding module is provided with two, the two wire winding and unwinding modules are arranged symmetrically on the workbench.

5. The portable cutting device of claim 3, wherein, When the wire winding and unwinding module is provided with four, the four wire winding and unwinding modules are arranged on the four corners of the workbench.

6. The portable cutting device according to any one of claims 1-5, characterized in that, The wire winding and unwinding module includes a wire winding box, a wire winding drum is arranged in the wire winding box, the wire winding drum is rotatably connected with the wire winding box, the cable is connected with the wire winding drum, an elastic reset member is installed on the wire winding drum, and the elastic reset force of the elastic reset member makes the cable keep tight and winding on the wire winding drum.

7. The portable cutting apparatus of claim 1, wherein, The body includes a first support and a second support; The traction mechanism is arranged between the first support and the second support; The traction mechanism includes: A transmission roller is arranged rotatably between the first support and the second support; A driving member is in transmission connection with the transmission roller, so that the driving member can drive the transmission roller to rotate; Limiting roller parts are arranged on both sides of the U-shaped cable winding on one side of the transmission roller, the limiting roller parts are rotatably arranged between the first support and the second support, and the limiting roller parts limit the cable from being disconnected from the transmission of the transmission roller.

8. The portable cutting apparatus of claim 7, wherein, The traction mechanism further includes a first limiting member, a second limiting member and a third limiting member; The first limiting member is connected with the first support; The second limiting member is connected with the first support; The third limiting member is connected with the first support; The first limiting member and the second limiting member form a first flow guide opening for the cable to slide in or out, and the second limiting member and the third limiting member form a second flow guide opening for the cable to slide in or out.

9. The portable cutting apparatus of claim 1, wherein, 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, which is rotatably connected with the cutting tool; the sliding seat is provided with the power member, which is in transmission connection with 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 to cut the material on the workbench downward.

10. The portable cutting apparatus of claim 1, wherein, The control module is arranged on the main body or wirelessly interacts with the main body.

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