阅读说明：本技术 一种小型手握式便捷无尘切割工具 (Small-size hand-held convenient dustless cutting tool ) 是由 李微 陈星� 李振涛 戴梓恒 于 2021-07-20 设计创作，主要内容包括：本发明公开了一种小型手握式便捷无尘切割工具,包括：壳体、吸尘装置、指引定位装置、切割装置和电控装置；吸尘装置通过卡扣形式与壳体相连,指引定位装置安装在壳体上并形成一体,切割装置安装在壳体的前壳内,电控装置安装在壳体的握把内。本发明带有指引定位装置,切割精准便捷；手握式设计,符合人体力学；结构简单,使用方便,无尘化设计,绿色环保。(The invention discloses a small-sized hand-held convenient dust-free cutting tool, which comprises: the device comprises a shell, a dust suction device, a guiding and positioning device, a cutting device and an electric control device; the dust collection device is connected with the shell in a buckling mode, the guide positioning device is installed on the shell and integrated, the cutting device is installed in the front shell of the shell, and the electric control device is installed in the handle of the shell. The invention is provided with the guiding and positioning device, and the cutting is accurate and convenient; the hand-held design is in accordance with human mechanics; simple structure, convenient to use, dustless design, green.)

1. The utility model provides a convenient dustless cutting means of small-size hand-held type which characterized in that includes: the device comprises a shell, a dust suction device, a guiding and positioning device, a cutting device and an electric control device; the dust collection device is connected with the shell in a buckling mode, the guide positioning device is installed on the shell and integrated, the cutting device is installed in the front shell of the shell, and the electric control device is installed in the handle of the shell.

2. The small portable dust-free cutting tool as set forth in claim 1, wherein the case comprises a handle, left and right sealing plates, a front case, an upper cover, and a connecting body, the handle is cylindrical, one side of the cylindrical surface is formed with concave and convex holding points, the left and right sealing plates are circular thin plates and are mounted on both sides of the front case, the front case is cylindrical, the upper cover is mounted on the upper side of the front case by means of screw connection, the upper cover is an arc-shaped panel, the connecting body is a rectangular hollow body, one side of which is tangent to the bottom of the front case, and the handle, the front case, and the connecting body are of an integral structure.

3. The small, hand-held, portable, dust-free cutting tool of claim 1, wherein the dust extraction device comprises an air duct, fan blades, a motor, a support base, bearings, a rotating shaft, a coupling, a dust storage box, and a motor connection plate; the air duct is a rectangular hollow body, one end of the air duct is connected with the dust storage box in a buckling mode, the other end of the air duct is communicated with the front shell, a central hole of the fan blade is in a regular hexagon shape and is installed on the rotating shaft, the motor is a single-phase asynchronous direct current motor, a main shaft of the motor is placed in a reserved hole of a motor connecting plate through a coupler, the supporting seat is a rectangular plate with one end processed into a circular arc and is connected in the front shell through a screw, an axial limiting screw is installed on the supporting seat to limit the axial position and the bearing of the rotating shaft, the bearing is a deep groove ball bearing and is installed in the supporting seat, the outer ring of the bearing is connected with the reserved hole of the supporting seat in an interference fit mode, the inner ring is connected with the excircle of the coupler in a transition fit mode, the rotating shaft is in a regular hexagonal prism to realize circumferential rotation, two ends of the rotating shaft are respectively connected with the couplers installed on the main shaft of the motor and the supporting seat, an inner hole at one end of the coupler is in a regular hexagon, and the other end of the coupler is a cylinder with a round hole, the main shaft that the round hole end and motor pass through interference fit and axial stop screw links together, regular hexagon hole links to each other with the axis of rotation with transition fit form, the dust storage box is including storing up the dirt box, wind channel connector and dust storage box shrouding, the dust storage box is the rectangle hollow body, the back is equipped with the wind channel interface, the wind channel interface links to each other with the wind channel with the buckle form, the dust storage box shrouding is the rectangle panel, higher authority processing has a plurality of ventholes, the side is equipped with the handle, pass through the draw-in groove with the dust storage box and be connected.

4. A compact hand-held portable dust-free cutting tool as defined in claim 1 wherein the indexing positioning means comprises wheels, axles and an indexing head; the wheel is small-size removal wheel to clearance fit installs on the shaft, and the shaft is the round bar, fixes in the connecting body with interference fit, prevents that the shaft axial from removing, and the guide head is the triangle-shaped tip, installs shell middle part in the front with the joint form.

5. A compact hand-held portable dust-free cutting tool as defined in claim 1, wherein the cutting means comprises a cutting blade, a rotatable shaft and an inner stop; the cutting blade in cutting piece hexagonal hole for the center to the transition cooperation is installed in the axis of rotation, and is coaxial with the flabellum, and the motor starts, and cutting piece and flabellum synchronous rotation, interior baffle are circular thin slice, link to each other with the supporting seat through set screw, and are isolated with motor and cutting device.

6. A compact hand-held portable dust-free cutting tool as claimed in claim 1, wherein the electrical control means comprises a battery, a power switch and a negative plate of a power supply; the battery is a high-capacity rechargeable lithium battery and is arranged in the handle, so that the cutting tool can provide long endurance, and the battery switch and the power negative plate are respectively arranged at two ends of the handle.

Technical Field

The invention relates to the technical field of machining of cutting chips in mechanical production, in particular to a small-sized hand-held convenient dust-free cutting tool.

Background

When carrying out the cutting process, the hand-held type cutting means who commonly uses does not guide positioner, consequently can't carry out accurate cutting, and the operation degree of difficulty is big to can produce a large amount of raise dusts when the cutting, not only pollute the workplace and still harm the healthy of operator. The design of a dust-free hand-held cutting tool with a guiding and positioning device for realizing accurate and dust-free cutting has great practical significance.

Disclosure of Invention

The invention aims to solve the technical problem of providing a small handheld convenient dust-free cutting tool which is provided with a guiding and positioning device, is accurate and convenient to cut, is free of dust design and is environment-friendly.

In order to solve the above technical problems, the present invention provides a small hand-held convenient dust-free cutting tool, comprising: the device comprises a shell, a dust suction device, a guiding and positioning device, a cutting device and an electric control device; the dust collection device is connected with the shell in a buckling mode, the guide positioning device is installed on the shell and integrated, the cutting device is installed in the front shell of the shell, and the electric control device is installed in the handle of the shell.

Preferably, the casing includes the handle, controls shrouding, preceding shell, goes up closing cap and connector, and the handle is the cylinder cylindric, and face of cylinder one side processing has unsmooth holding point, and left and right shrouding is circular thin slice, installs at preceding shell both sides face, and preceding shell is the cylinder cylindric, and the top is installed the closing cap through screwed connection, goes up the closing cap and is the arc panel, and the connector is the rectangle hollow body, and wherein one side is tangent with preceding shell bottom, handle, preceding shell and connector formula structure as an organic whole.

Preferably, the dust collection device comprises an air duct, fan blades, a motor, a supporting seat, a bearing, a rotating shaft, a coupling, a dust storage box and a motor connecting plate; the air duct is a rectangular hollow body, one end of the air duct is connected with the dust storage box in a buckling mode, the other end of the air duct is communicated with the front shell, a central hole of the fan blade is in a regular hexagon shape and is installed on the rotating shaft, the motor is a single-phase asynchronous direct current motor, a main shaft of the motor is placed in a reserved hole of a motor connecting plate through a coupler, the supporting seat is a rectangular plate with one end processed into a circular arc and is connected in the front shell through a screw, an axial limiting screw is installed on the supporting seat to limit the axial position and the bearing of the rotating shaft, the bearing is a deep groove ball bearing and is installed in the supporting seat, the outer ring of the bearing is connected with the reserved hole of the supporting seat in an interference fit mode, the inner ring is connected with the excircle of the coupler in a transition fit mode, the rotating shaft is in a regular hexagonal prism to realize circumferential rotation, two ends of the rotating shaft are respectively connected with the couplers installed on the main shaft of the motor and the supporting seat, an inner hole at one end of the coupler is in a regular hexagon, and the other end of the coupler is a cylinder with a round hole, the main shaft that the round hole end and motor pass through interference fit and axial stop screw links together, regular hexagon hole links to each other with the axis of rotation with transition fit form, the dust storage box is including storing up the dirt box, wind channel connector and dust storage box shrouding, the dust storage box is the rectangle hollow body, the back is equipped with the wind channel interface, the wind channel interface links to each other with the wind channel with the buckle form, the dust storage box shrouding is the rectangle panel, higher authority processing has a plurality of ventholes, the side is equipped with the handle, pass through the draw-in groove with the dust storage box and be connected.

Preferably, the guiding and positioning device comprises a wheel, an axle and a guiding head; the wheel is small-size removal wheel to clearance fit installs on the shaft, and the shaft is the round bar, fixes in the connecting body with interference fit, prevents that the shaft axial from removing, and the guide head is the triangle-shaped tip, installs shell middle part in the front with the joint form.

Preferably, the cutting device comprises a cutting blade, a rotating shaft and an inner baffle; the cutting blade in cutting piece hexagonal hole for the center to the transition cooperation is installed in the axis of rotation, and is coaxial with the flabellum, and the motor starts, and cutting piece and flabellum synchronous rotation, interior baffle are circular thin slice, link to each other with the supporting seat through set screw, and are isolated with motor and cutting device.

Preferably, the electric control device comprises a battery, a power switch and a power negative plate; the battery is a high-capacity rechargeable lithium battery and is arranged in the handle, so that the cutting tool can provide long endurance, and the battery switch and the power negative plate are respectively arranged at two ends of the handle.

The invention has the beneficial effects that: the cutting machine is provided with a guiding and positioning device, so that the cutting is accurate and convenient; the hand-held design is in accordance with human mechanics; simple structure, convenient to use, dustless design, green.

Drawings

FIG. 1 is a schematic diagram of the operational use of the present invention.

Fig. 2 is an exploded view of the overall structure of the present invention.

Fig. 3 is an exploded view of the overall structure of the present invention.

Fig. 4 is a schematic view of the overall structure of the present invention.

Fig. 5 is a schematic view of the moving part installation of the present invention.

Fig. 6 is a schematic view of the moving part installation of the present invention.

Fig. 7 is a schematic view of the internal structure of the front case of the present invention.

Fig. 8 is a schematic view of the overall structure of the dust storage box of the present invention.

Wherein, 1, a dust storage box; 2. a housing; 3. a battery; 4. a power switch; 5. a fan blade; 6. a motor; 7. a left closing plate and a right closing plate; 8. cutting the slices; 9. a rotating shaft; 10. an axial limit screw; 11. a supporting seat; 12. an inner baffle; 13. a negative plate of a power supply; 14. an upper sealing cover; 15 fixing the screw; 16. a coupling; 17. a bearing; 21. a grip; 22. an air duct; 23. a wheel axle; 24. a wheel; 25. a guide head; 26. a front housing; 27. a linker; 28. a motor connecting plate; 30. a plate material; 101. a dust storage box closing plate; 102. an air duct connecting port; 103. a dust storage box body.

Detailed Description

As shown in fig. 1-8, a compact hand-held portable dust-free cutting tool comprises: the device comprises a shell 2, a dust suction device, a guiding and positioning device, a cutting device and an electric control device; the dust suction device is connected with the shell 2 in a buckling mode, the guiding and positioning device is arranged on the shell 2 and is integrated, the cutting device is arranged in a front shell 26 of the shell 2, and the electric control device is arranged in a handle 21 of the shell 2.

The shell 2 comprises a handle 21, a left closing plate 7, a right closing plate 7, a front shell 26, an upper sealing cover 14 and a connector 27, wherein the handle 21 is cylindrical, and concave-convex holding points are processed on one side of the outer circular surface of the cylinder, so that a user can hold the handle conveniently. The left and right sealing plates 7 are round thin plates and are arranged on two side surfaces of the front shell 26 to play a sealing role. The front shell 26 is cylindrical, and the upper part of the front shell is provided with the upper sealing cover 14 through screw connection. The upper cover 14 is an arc-shaped panel. The connecting body 27 is a rectangular hollow body, one side of which is tangent to the bottom of the front shell 26. The grip 21, the front shell 26 and the connecting body 27 are of an integral structure.

The dust collection device comprises an air duct 22, fan blades 5, a motor 6, a supporting seat 11, a bearing 17, a rotating shaft 9, a coupler 16, a dust storage box 1 and a motor connecting plate 28, wherein the air duct 22 is a rectangular hollow body, one end of the air duct is connected with the dust storage box 1 in a buckling mode, and the other end of the air duct is communicated with a front shell 26. The central hole of the fan blade 5 is regular hexagon and is arranged on the rotating shaft 9. The motor 6 is a single-phase asynchronous direct current motor, and a main shaft of the motor 6 is arranged in a reserved hole of the motor connecting plate 28 through a coupling 16. The supporting seat 11 is a rectangular plate with one end processed into an arc, and is connected in the front shell 26 through a screw, and the axial limiting screw 10 is installed in the supporting seat 11 to limit the axial position of the rotating shaft 9 and the bearing 17. The bearing 17 is a deep groove ball bearing and is arranged in the supporting seat 11, the outer ring of the bearing 17 is connected with the reserved hole of the supporting seat 11 in an interference fit mode, and the inner ring of the bearing is connected with the outer circle of the coupler 16 in a transition fit mode. The rotating shaft 9 is a regular hexagonal prism and can rotate circumferentially, and two ends of the rotating shaft 9 are respectively connected with the shaft couplings 16 arranged on the motor spindle and the supporting seat 11. The inner hole at one end of the coupler 16 is in a regular hexagon shape, the other end of the coupler is a cylinder with a round hole, the end of the round hole is connected with the main shaft of the motor 6 through interference fit and an axial limiting screw 10, and the regular hexagon hole is connected with the rotating shaft 9 in a transition fit mode. The dust storage box 1 consists of a dust storage box body 103, an air duct connecting port 102 and a dust storage box closing plate 101; the box body 103 of the dust storage box is a rectangular hollow body, the back of the box body is provided with an air duct interface 102, and the air duct interface 102 is connected with the air duct 22 in a buckling mode; the dust storage box sealing plate 101 is a rectangular panel, a plurality of air outlet holes are formed in the rectangular panel, and a handle is arranged on the side edge of the dust storage box sealing plate and connected with the dust storage box 1 through a clamping groove.

The indexing positioning means comprises a wheel 24, an axle 23 and an indexing head 25, said wheel 24 being a small moving wheel mounted on the axle 23 with a clearance fit. The hub 23 is a round rod and is fixed in the connector 27 in an interference fit manner, so that the hub 23 is prevented from moving axially. The guide head 25 is a triangular pointed end and is mounted in the middle of the front shell 26 in a clamping manner.

Cutting device includes cutting blade 8, axis of rotation 9 and interior baffle 12, cutting blade 8 is the cutting blade (professional blade) in center hexagonal hole, installs on axis of rotation 9, and is coaxial with flabellum 5, and the characteristics of this application form lie in that motor 6 starts, cutting blade 8 and flabellum 5 synchronous revolution. The inner baffle 12 is a circular thin sheet and is connected with the supporting seat 11 through a fixing screw 15, and the motor 6 is isolated from the cutting device.

The electric control device comprises a battery 3, a power switch (comprising a positive plate) 4 and a power negative plate 13, wherein the battery 3 is a high-capacity rechargeable lithium battery and is arranged in the handle 21, so that long-term endurance can be provided for the cutting tool. The battery switch (including the positive plate) 4 and the negative power plate 13 are respectively installed at both ends of the handle 21.

Place panel 30 on the workstation, the handle 21 is held to the singlehanded, presses switch (including positive plate) 4, removes guide head 25 along the line of cut on panel 30, and at the removal in-process, wheel 24 can slide on panel 30, reduces the friction when cutting the guide, and the piece that produces during the cutting can be inhaled dust storage box 1 through wind channel 22 by the rotatory suction that produces of flabellum 4, can open dust storage box shrouding 101 and empty the piece after the cutting is accomplished.