CN112895787A

CN112895787A - Handheld engraving tool

Info

Publication number: CN112895787A
Application number: CN202110239927.0A
Authority: CN
Inventors: 杜海
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-03-04
Filing date: 2021-03-04
Publication date: 2021-06-04

Abstract

A hand held carving tool comprising: an impact portion, a rotation portion, a switching portion, and a bit portion; the impact part enables the output force to have the force of reciprocating impact, and can be used for the use of the flat nicking tool; the rotating part can output a force which is a quick rotating force and can be used for grinding or other tool bits; the switching part can switch whether the force acted on the cutter head by the terminal is rotating or reciprocating impact or simple impact force; the self-adaptive tool bit is matched with the tool bit for use, has self-adaptability, can automatically identify the type of the inserted tool bit, automatically switches the type of output force, avoids the problem that the tool bit is damaged when in use due to the error of manual switching, greatly increases the safety, improves the working efficiency and prolongs the service life of a machine; the drill bit part has multiple models, meets the requirement of carving operation, enables various use scenes, and is matched with the switching part for use.

Description

Handheld engraving tool

Technical Field

The invention relates to the field of electric tools, in particular to a handheld carving tool.

Background

At present, the carving machine is generally in a floor type, the overall size of the existing floor type carving machine is large, when the carving machine is used for processing a carved object, the object needs to be fixed on the carving machine, the carved object is processed through the movement of a carving part of the carving machine, and the floor type carving machine cannot move when in work. The carved object must meet the condition of being able to be installed on the carving machine, and can be processed, the processing range is limited; the structure is complex, the whole size is large, and the cost is high; it is inconvenient to move and cannot be carried. The portable engraving machine adopts the movable machine body to process the workpiece, but the working surface is limited, only vertical processing can be performed on a plane, and angle processing cannot be performed within time; therefore, a hand-held engraving tool is needed, which can finish various complex operations while the size is reduced, and can automatically adjust the output force according to the type of the tool bit.

Disclosure of Invention

Aiming at the problem of complaint, the invention provides a handheld engraving tool to solve the problems of complex operation, low safety and low working efficiency of the conventional engraving tool.

The technical scheme adopted by the invention is as follows: a hand held carving tool comprising: an impact portion, a rotation portion, a switching portion, and a bit portion; the impact part enables the output force to have the force of reciprocating impact, and can be used for the use of the flat nicking tool; the rotating part can output a force which is a quick rotating force and can be used for grinding or other tool bits; the switching part can switch whether the force acted on the cutter head by the terminal is rotating or reciprocating impact or simple impact force; the self-adaptive tool bit is matched with the tool bit for use, has self-adaptability, can automatically identify the type of the inserted tool bit, automatically switches the type of output force, avoids the problem that the tool bit is damaged when in use due to the error of manual switching, greatly increases the safety, improves the working efficiency and prolongs the service life of a machine; the drill bit part has multiple models, meets the requirement of carving operation, enables various use scenes, and is matched with the switching part for use.

Further, the device also comprises a shell part, a power part and a clamping part; the shell part is of a hollow structure, and the impact part, the rotating part, the power part, the switching part and the clamping part are all arranged in the shell part; the power part, the impact part, the switching part, the rotating part and the clamping part are installed in a linear sequence; the power part is taken as an integral power source and is provided with a planetary gear set structure, so that the integral force output is stable; the clamping part is used as a fixing part of the drill bit part, so that the drill bit part is prevented from falling off in normal use, the integrity is improved, the safety is greatly improved, and personal injury to users caused by sudden falling of the cutter head is avoided.

Further, the housing portion includes: the device comprises a shell a, a controller, a power line, a dustproof soft ring and a spring a; the shell a is a hollow structure; the three controllers are fixedly arranged on the outer wall of the shell a, are communicated with an internal circuit and control the operation, stop, rotating speed and the like of the whole body; the power line is fixedly arranged at the tail end of the shell a and is communicated with the internal circuit; the dustproof soft ring is made of flexible rubber, and one end of the dustproof soft ring is fixedly connected with one end of the shell a; the shock absorption effect is achieved, and meanwhile, the dustproof effect is achieved; the spring a is fixedly arranged in the shell a, and one end of the spring a is fixedly connected with the inner wall of the shell a.

Further, the impact portion includes: the device comprises a shell b, a bevel gear a, a bevel gear b, a bevel gear c, a bevel gear d, an eccentric wheel, a connecting rod, a bevel gear e, a stator a, a stator b, a seal cap a, an air cylinder and a spring b; the outer wall of the shell b is provided with a groove, and the shell b is slidably arranged in the groove in the shell a; the bevel gear a is rotatably arranged on a cylinder in the shell b, the bevel gear b is rotatably arranged in the shell b, and the lower end of the bevel gear b is provided with a fixedly arranged bevel gear c; the bevel gear d is rotatably arranged in the shell b and is provided with a fixedly arranged eccentric wheel; the bevel gear e is rotatably arranged inside the shell b, the air cylinder is rotatably arranged inside the shell b, is positioned in the center of the bevel gear e and is rotatably connected with the bevel gear e, the bevel gear e is meshed with the bevel gear b, the bevel gear c is meshed with the bevel gear a, and the bevel gear a is meshed with the bevel gear d; the seal cap a is rotatably arranged at one end of the cylinder, one end of the spring b is fixedly connected with the cylinder, and the other end of the spring b is in contact connection with the seal cap a; the stator a is slidably arranged inside the cylinder; one end of the connecting rod is rotatably arranged on a cylinder on the eccentric wheel; stator b slidable mounting is equipped with a cylinder in the inside of cylinder, and the one end of stator b, and the cylinder rotates with the round hole of the other end of connecting rod to be connected.

Further, the rotating part includes: the shell c, the seal cap b, the clamping seat and the transmission shaft; in the shell c time central control structure, one end of the shell c is fixedly connected with the shell b and is arranged in the shell a in a sliding manner, and the other end of the shell c is fixedly connected with one end of the dustproof soft ring; the transmission shaft is rotatably arranged in the shell c, the seal cap b is fixedly arranged in the transmission shaft, and the seal cap b is simultaneously in sliding connection with the seal cap a; the clamping seat is fixedly arranged on the seal cap b, and one end of the clamping seat penetrates through a hole in the seal cap a and extends into the cylinder.

Further, the power part comprises: the device comprises a motor, a straight gear a, a straight gear b and a straight gear c; the motor is fixedly arranged at one end of the shell b, and the other end of the motor is fixedly connected with one end of the spring a; the straight gear a is rotatably arranged inside the shell b and is fixedly connected with a motor shaft of the motor; the number of the straight gears b is six, two ends of each straight gear b are rotatably arranged in circular holes in the shell b, and the straight gears b are meshed with the straight gears a; and a spur gear c is rotatably arranged inside the shell b and is meshed with the spur gear b.

Further, the switching part includes: the positioning ring, the marble a, the marble b, the connecting shaft, the limiting plate, the limiting block and the marble c; the positioning ring is rotatably arranged on the seal cap a and is fixedly connected with the straight gear c; one side of the positioning ring is provided with six round holes, six marbles b are arranged in the round holes in a sliding manner, the other side of the positioning ring is provided with six round holes, and six marbles a are arranged in the round holes in a sliding manner; one end of the connecting shaft is rotatably arranged on the positioning ring; the limiting plate is rotatably arranged at the other end of the connecting shaft, six limiting blocks are uniformly arranged on the limiting plate, and marbles c are slidably arranged in round holes of the limiting blocks.

Further, the clamping portion includes: a shell d, a coil spring and a positioning block; the shell d is rotatably arranged at one end of the shell c; one end of the coil spring is fixedly connected with the shell d, and the other end of the coil spring is fixedly connected with the shell c; and one end of the shell c is provided with four grooves, a positioning block is arranged in each groove in a sliding manner, a protrusion is arranged on the other side of each positioning block, and the protrusion is matched with the arc-shaped groove in the shell d.

Further, the drill bit section includes: rotating the head; one end of the rotating head is provided with two rows of grooves, and the tail end groove is matched with the marble c; the secondary groove is fit with the positioning block; the top end of the rotating head is provided with a grinding head; the shape of the tail end of the rotating head is matched with the clamping seat; the rotating head is a tool bit for carving materials to polish.

Further, the drill bit section includes: impacting the rotary head; one end of the impact rotating head is provided with two rows of grooves, the tail end groove is matched with the marble c, and the distance between the tail end groove and the tail part is reduced compared with the tail end groove of the rotating head; the secondary groove is fit with the positioning block; the top end of the impact rotary head is provided with a grinding head; the shape of the tail end of the impact rotary head is matched with the clamping seat; the impact rotary head is a tool bit for carving materials to impact a rotary hole.

Further, the drill bit section includes: a carving tool bit; one end of the carving head is provided with two rows of grooves, the tail end groove is matched with the marble c, and the distance between the tail end groove and the tail part is reduced compared with the tail end groove of the impact rotary head; the secondary groove is fit with the positioning block; the top end of the carving tool bit is provided with a grinding head; the shape of the tail end of the engraving head is matched with that of the clamping seat; the engraving member is a member for engraving a material.

Due to the adoption of the technical scheme, the invention has the following advantages:

(1) an impact part: when the bevel gear e rotates, the stator a can also move back and forth, the stator a drives the seal cap a to move back and forth, and meanwhile, the damping treatment is carried out through the spring b, so that the loss is reduced; the impact function of the machine is realized, the mechanical loss is extremely low, the structure is compact and stable, the service life is further prolonged, the working efficiency is improved, and the manufacturing cost is reduced.

(2) A rotating part: when the transmission shaft rotates, the transmission shaft drives the seal cap b to rotate, and the seal cap b drives the clamping seat to rotate; the rotation function of the machine is realized, the grinding operation of the carving material can be efficiently carried out, the working efficiency is greatly increased, time and labor are saved, and the manufacturing cost is reduced.

(3) A power part: when the motor works, the straight gear c drives the positioning ring to rotate; the power transmission function is realized, and the planetary gear set structure has the functions of high transmission efficiency and loss reduction, so that the working efficiency is greatly improved; further reducing manufacturing costs.

(4) A switching part: automatic switch, the mode that can come automatic switch output power according to the model of tool bit automatically, very big improvement work efficiency, further improvement the life of machine.

(5) A clamping portion: when the drill bit part is inserted, the positioning block is clamped with the drill bit part, and when the drill bit part needs to be taken down, the shell d is rotated; the fixed action of the cutter head is realized, the safety is greatly improved, and the dangerous condition is reduced.

Drawings

FIG. 1 is an overall schematic view of the present invention.

Fig. 2 and 3 are the overall section and the state of each tool bit of the invention.

Fig. 4 is a schematic view of the inside of a housing portion of the present invention.

FIG. 5 is a schematic view, in whole and in cross-section, of an impact portion of the present invention.

Fig. 6 is a schematic illustration of the impact portion of the present invention exploded.

FIG. 7 is a schematic diagram of a rotating part of the present invention in cross section and exploded view.

FIG. 8 is a schematic view of the power section of the present invention.

FIG. 9 is a schematic diagram of the switching section and the explosion of the present invention.

Fig. 10 is a schematic view of the clamp and the explosion of the present invention.

Reference numerals: 1-a housing portion; 2-an impact portion; 3-a rotating part; 4-a power section; 5-a switching part; 6-a clamping portion; 7-a drill bit section; 101-shell a; 102-a controller; 103-power supply line; 104-dustproof soft ring; 105-spring a; 201-housing b; 202-bevel gear a; 203-bevel gear b; 204-bevel gear c; 205-bevel gear d; 206-eccentric wheel; 207-connecting rod; 208-bevel gear e; 209-stator a; 210-stator b; 211-closure a; 212-a cylinder; 213-spring b; 301-housing c; 302-cap b; 303-a cassette; 304-a drive shaft; 401-an electric machine; 402-spur gear a; 403-spur gear b; 404-spur gear c; 501-positioning ring; 502-Marble a; 503-marble b; 504-a connecting shaft; 505-a limiting plate; 506-a limiting block; 507-marble c; 601-housing d; 602-a coil spring; 603-positioning blocks; a 7-rotating head; b 7-impact rotor; c 7-engraved head.

DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION

The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in many ways other than those described herein, and it will be apparent to those skilled in the art that similar modifications can be made without departing from the spirit of the invention, and therefore the invention is not limited to the specific embodiments disclosed below.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "back", "left", "right", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

1-10, a hand held carving tool includes: an impact portion 2, a rotation portion 3, a switching portion 5, and a bit portion 7; the impact part 2 enables the output force to have the force of reciprocating impact, and can be used for the use of the flat nicking tool; the rotating part 3 can output a force which is a quick rotating force and can be used for grinding or other tool bits; the switching part 5 can switch whether the force acting on the cutter head at the terminal end is rotation or reciprocating impact or simple impact force; the self-adaptive tool bit is matched with the tool bit for use, has self-adaptability, can automatically identify the type of the inserted tool bit, automatically switches the type of output force, avoids the problem that the tool bit is damaged when in use due to the error of manual switching, greatly increases the safety, improves the working efficiency and prolongs the service life of a machine; the drill part 7 has various models, and various use scenes are made by satisfying the engraving work, and is used in cooperation with the switching part 5.

In an alternative embodiment of the present embodiment, in addition to the same components as the previous embodiment, the present invention further comprises a housing portion 1, a power portion 4, and a clamping portion 6; the housing part 1 is a hollow structure, and the impact part 2, the rotating part 3, the power part 4, the switching part 5 and the clamping part 6 are all arranged in the housing part 1; the power part 4, the impact part 2, the switching part 5, the rotating part 3 and the clamping part 6 are installed in a linear sequence; the power part 4 is taken as an integral power source and is provided with a planetary gear set structure, so that the integral force output is stable; the clamping part 6 is used as a fixing part of the drill bit part 7, the drill bit part 7 is prevented from falling off in normal use, the integrity is improved, meanwhile, the safety is greatly improved, and personal injury to users due to sudden falling of a cutter head is avoided.

In an alternative embodiment of the invention, the housing part 1 comprises, apart from the same parts as in the previous embodiment: a shell a101, a controller 102, a power cord 103, a dustproof soft ring 104 and a spring a 105; the shell a101 is a hollow structure; three controllers 102 are provided, the controllers 102 are fixedly arranged on the outer wall of the shell a101, are communicated with an internal circuit, and control the operation, stop, rotating speed and the like of the whole body; the power line 103 is fixedly arranged at the tail end of the shell a101, and the power line 103 is communicated with an internal circuit; the dustproof soft ring 104 is made of flexible rubber, and one end of the dustproof soft ring 104 is fixedly connected with one end of the shell a 101; the shock absorption effect is achieved, and meanwhile, the dustproof effect is achieved; the spring a105 is fixedly installed inside the casing a101, and one end of the spring a105 is fixedly connected with the inner wall of the casing a 101.

In an alternative embodiment of the invention, the impact portion 2 comprises, in addition to the same parts as in the previous embodiment: a housing b201, a bevel gear a202, a bevel gear b203, a bevel gear c204, a bevel gear d205, an eccentric wheel 206, a connecting rod 207, a bevel gear e208, a stator a209, a stator b210, a cap a211, a cylinder 212 and a spring b 213; the outer wall of the shell b201 is provided with a groove, and the shell b201 is slidably arranged in the groove in the shell a 101; the bevel gear a202 is rotatably arranged on a cylinder inside the shell b201, the bevel gear b203 is rotatably arranged inside the shell b201, and the lower end of the bevel gear b203 is provided with a fixedly arranged bevel gear c 204; a bevel gear d205 is rotatably arranged inside the shell b201, and an eccentric wheel 206 fixedly arranged is arranged on the bevel gear d 205; a bevel gear e208 is rotatably arranged inside the shell b201, an air cylinder 212 is rotatably arranged inside the shell b201, is positioned in the center of the bevel gear e208 and is rotatably connected with the bevel gear e208, the bevel gear e208 is meshed with the bevel gear b203, the bevel gear c204 is meshed with the bevel gear a202, and the bevel gear a202 is meshed with the bevel gear d 205; the seal cap a211 is rotatably arranged at one end of the air cylinder 212, one end of the spring b213 is fixedly connected with the air cylinder 212, and the other end of the spring b213 is in contact connection with the seal cap a 211; the stator a209 is slidably mounted inside the cylinder 212; one end of the connecting rod 207 is rotatably mounted on a cylinder on the eccentric 206; the stator b210 is slidably mounted inside the cylinder 212, and one end of the stator b210 is provided with a cylinder rotatably connected with the circular hole at the other end of the connecting rod 207.

In an alternative implementation of the embodiment of the invention, the rotating part 3 comprises, apart from the same parts as the previous embodiment: a shell c301, a cap b302, a clamping seat 303 and a transmission shaft 304; in the case of the shell c301, in the central control structure, one end of the shell c301 is fixedly connected with the shell b201 and is slidably mounted in the shell a101, and the other end of the shell c301 is fixedly connected with one end of the dustproof soft ring 104; a transmission shaft 304 is rotatably arranged inside the shell c301, a seal cap b302 is fixedly arranged inside the transmission shaft 304, and the seal cap b302 is simultaneously connected with the seal cap a211 in a sliding manner; the clamping seat 303 is fixedly arranged on the capping b302, and one end of the clamping seat 303 passes through a hole on the capping a211 and extends into the cylinder 212.

In an alternative implementation of the embodiment of the invention, the power section 4 comprises, apart from the same parts as in the previous embodiment: motor 401, spur gear a402, spur gear b403, and spur gear c 404; the motor 401 is fixedly arranged at one end of the shell b201, and the other end of the motor 401 is fixedly connected with one end of the spring a 105; a spur gear a402 is rotatably arranged inside the shell b201, and the spur gear a402 is fixedly connected with a motor 401 shaft of the motor 401; the number of the spur gears b403 is six, two ends of the spur gear b403 are rotatably arranged in circular holes in the shell b201, and the spur gear b403 is meshed with the spur gear a 402; spur gear c404 is rotatably installed inside housing b201, and spur gear c404 is engaged with spur gear b 403.

In an alternative implementation of the embodiment of the present invention, the switching part 5 includes, in addition to the same components as in the previous embodiment: a positioning ring 501, a marble a502, a marble b503, a connecting shaft 504, a limiting plate 505, a limiting block 506 and a marble c 507; the positioning ring 501 is rotatably arranged on the cap a211, and the positioning ring 501 is fixedly connected with the straight gear c 404; one side of the positioning ring 501 is provided with six round holes, six marbles b503 are slidably mounted in the round holes, the other side of the positioning ring 501 is provided with six round holes, and six marbles a502 are slidably mounted in the round holes; one end of the connecting shaft 504 is rotatably mounted on the positioning ring 501; the limiting plate 505 is rotatably mounted at the other end of the connecting shaft 504, six limiting blocks 506 are uniformly arranged on the limiting plate 505, and marbles c507 are slidably mounted in round holes of the limiting blocks 506.

In an alternative embodiment of the invention, the clamping portion 6 comprises, apart from the same parts as in the previous embodiment: a housing d601, a coil spring 602, and a positioning block 603; the shell d601 is rotatably arranged at one end of the shell c 301; one end of the coil spring 602 is fixedly connected with the shell d601, and the other end of the coil spring 602 is fixedly connected with the shell c 301; one end of the shell c301 is provided with four grooves, a positioning block 603 is arranged in each groove in a sliding mode, a protrusion is arranged on the other side of each positioning block 603, and the protrusion is matched with the arc-shaped groove in the shell d 601.

In an alternative embodiment of the present embodiment, the drill portion 7 comprises, in addition to the same parts as in the previous embodiment: the rotating head a 7; one end of the rotating head a7 is provided with two rows of grooves, and the tail end grooves are matched with the marbles c 507; the secondary groove is matched with the positioning block 603; the top end of the rotating head a7 is provided with a grinding head; the shape of the tail end of the rotating head a7 is matched with the clamping seat 303; the rotary head a7 is a tool bit for engraving material for grinding.

In an alternative embodiment of the present embodiment, the drill portion 7 comprises, in addition to the same parts as in the previous embodiment: impact rotor b 7; one end of the impact rotary head b7 is provided with two rows of grooves, the tail end groove is matched with the marble c507, and compared with the tail end groove of the rotary head a7, the distance between the tail end groove and the tail part is reduced; the secondary groove is matched with the positioning block 603; the top end of the impact rotary head b7 is provided with a grinding head; the tail end of the impact rotary head b7 is matched with the clamping seat 303; the impact rotor b7 is a tool bit for engraving material to impact a rotary hole.

In an alternative embodiment of the present embodiment, the drill portion 7 comprises, in addition to the same parts as in the previous embodiment: the engraving tip c 7; one end of the carving head c7 is provided with two rows of grooves, the tail end groove is matched with the marble c507, and the distance between the tail end groove and the tail part is reduced compared with the tail end groove of the impact rotary head b 7; the secondary groove is matched with the positioning block 603; the top end of the carving head c7 is provided with a grinding head; the tail end of the engraving head c7 is matched with the clamping seat 303 in shape; the carving tip c7 is a tip for carving a material.

The working principle is as follows:

the working principle of the impact part 2 is: when the bevel gear e208 rotates, the bevel gear e208 drives the bevel gear b203 to rotate, the bevel gear b203 drives the bevel gear c204 to rotate, the bevel gear c204 drives the bevel gear a202 to rotate, the bevel gear a202 drives the bevel gear d205 to rotate, the bevel gear d205 drives the eccentric wheel 206 to rotate, and the eccentric wheel 206 drives the stator b210 to reciprocate in the cylinder 212 through the connecting rod 207; the air pressure between the stator b210 and the stator a209 is constant due to the sealing reason, so that when the stator b210 moves, the stator a209 can also move back and forth, the stator a209 can quickly strike the tail end of the clamping seat 303 installed in the stator b210, the sealing cap a is driven to move back and forth, and meanwhile, the damping treatment is carried out through the spring b213, so that the loss is reduced; the impact function of the machine is realized, the mechanical loss is extremely low, the structure is compact and stable, the service life is further prolonged, the working efficiency is improved, and the manufacturing cost is reduced.

The working principle of the rotating part 3 is as follows: when the transmission shaft 304 rotates, the transmission shaft 304 drives the cap b302 to rotate, and the cap b302 drives the clamping seat 303 to rotate; the rotation function of the machine is realized, the grinding operation of the carving material can be efficiently carried out, the working efficiency is greatly increased, time and labor are saved, and the manufacturing cost is reduced.

The working principle of the power part 4 is as follows: when the motor 401 works, the motor 401 drives the spur gear a402 to rotate, the spur gear a402 drives the six spur gears b403 to rotate, the spur gear b403 drives the spur gear c404 to rotate, and the spur gear c404 drives the positioning ring 501 to rotate; the power transmission function is realized, and the planetary gear set structure has the functions of high transmission efficiency and loss reduction, so that the working efficiency is greatly improved; further reducing manufacturing costs.

The operating principle of the switching section 5 is: according to different models of the inserted drill bit part 7, the tail end groove of the drill bit part 7 is blocked with the marble c507, so that the distance for the limiting plate 505 to drive the connecting shaft 504 to move backwards is different, namely the position for the connecting shaft 504 to drive the positioning ring 501 is different, and the following three conditions exist: when the rotating head a7 is inserted, the positioning ring 501 and the transmission shaft 304 are blocked by the marble b 503; when the impact rotary head b7 is inserted, the positioning ring 501 is blocked with the transmission shaft 304 and the bevel gear e208 through the pin b503 and the pin a 502; when the cutter head c7 is inserted, the positioning ring 501 and the bevel gear e208 are locked by the pin a 502; when the positioning ring 501 rotates, the transmission shaft 304 or the bevel gear e208 can be selectively driven to rotate, or the transmission shaft 304 and the bevel gear e208 are driven to rotate at the same time; the automatic switching function is realized, the mode of output force can be automatically switched according to the model of the cutter head, the working efficiency is greatly improved, and the service life of the machine is further prolonged.

The working principle of the clamping part 6 is: when the drill bit portion 7 is inserted, the housing d601 is rotated, the housing d601 rotates against the rotating force of the coil spring 602, the groove on the housing c301 drives the positioning block 603 to move outwards according to the groove on the housing c301, so that the drill bit portion 7 can be inserted into the card seat 303 through the hole of the housing c 301; the shell d601 is loosened, the shell d601 enables the positioning block 603 to reset due to the pulling force of the coil spring 602, the positioning block 603 is locked with the drill bit part 7, and when the drill bit part 7 needs to be taken down, the shell d601 is rotated; the fixed action of the cutter head is realized, the safety is greatly improved, and the dangerous condition is reduced.

Claims

1. A hand held carving tool comprising: an impact portion (2), a rotation portion (3), a switching portion (5), and a bit portion (7); the impact part (2) enables the output force to have the force of reciprocating impact, and can be used for the use of the flat nicking tool; the rotating part (3) can output a force which is a quick rotating force and can be used for grinding or other tool bits; the switching part (5) can switch whether the force acted on the cutter head by the terminal is rotating or reciprocating impact or simple impact force; the self-adaptive tool bit is matched with the tool bit for use, has self-adaptability, can automatically identify the type of the inserted tool bit, automatically switches the type of output force, avoids the problem that the tool bit is damaged when in use due to the error of manual switching, greatly increases the safety, improves the working efficiency and prolongs the service life of a machine; the drill bit part (7) has various models, meets the requirements of carving operation, enables various use scenes, and is matched with the switching part (15) for use;

comprises a shell part (1), a power part (4) and a clamping part (6); the shell part (1) is of a hollow structure, and the impact part (2), the rotating part (3), the power part (4), the switching part (5) and the clamping part (6) are all arranged in the shell part (1); the power part (4), the impact part (2), the switching part (5), the rotating part (31) and the clamping part (6) are installed in a linear sequence; the power part (4) is taken as an integral power source and is provided with a planetary gear set structure, so that the integral force output is stable; the clamping part (6) is used as a fixing part of the drill bit part (7), so that the drill bit part (7) is prevented from falling off in normal use, the integrity is improved, the safety is greatly improved, and personal injury to users caused by sudden falling of the cutter head is avoided.

2. A hand held engraving tool as claimed in claim 2, wherein said housing part (1) comprises: the device comprises a shell a (101), a controller (102), a power line (103), a dustproof soft ring (104) and a spring a (105); the shell a (101) is of a hollow structure; three controllers (102) are provided, and the controllers (102) are fixedly arranged on the outer wall of the shell a (101), are communicated with an internal circuit and control the operation, stop, rotating speed and the like of the whole body; the power line (103) is fixedly arranged at the tail end of the shell a (101), and the power line (103) is communicated with an internal circuit; the dustproof soft ring (104) is made of flexible rubber, and one end of the dustproof soft ring (104) is fixedly connected with one end of the shell a (101); the shock absorption effect is achieved, and meanwhile, the dustproof effect is achieved; the spring a (105) is fixedly arranged in the shell a (101), and one end of the spring a (105) is fixedly connected with the inner wall of the shell a (101).

3. A hand held engraving tool as claimed in claim 1, characterized in that said impact portion (2) comprises: the device comprises a shell b (201), a bevel gear a (202), a bevel gear b (203), a bevel gear c (204), a bevel gear d (205), an eccentric wheel (206), a connecting rod (207), a bevel gear e (208), a stator a (209), a stator b (210), a seal cap a (211), a cylinder (212) and a spring b (213); the outer wall of the shell b (201) is provided with a groove, and the shell b (201) is slidably arranged in the groove in the shell a (101); the bevel gear a (202) is rotatably arranged on a cylinder in the shell b (201), the bevel gear b (203) is rotatably arranged in the shell b (201), and the lower end of the bevel gear b (203) is provided with a fixedly arranged bevel gear c (204); a bevel gear d (205) is rotatably arranged inside the shell b (201), and an eccentric wheel (206) is fixedly arranged on the bevel gear d (205); a bevel gear e (208) is rotatably arranged inside the shell b (201), an air cylinder (212) is rotatably arranged inside the shell b (201), is positioned at the center of the bevel gear e (208) and is rotatably connected with the bevel gear e (208), the bevel gear e (208) is meshed with the bevel gear b (203), the bevel gear c (204) is meshed with the bevel gear a (202), and the bevel gear a (202) is meshed with the bevel gear d (205); the seal cap a (211) is rotatably arranged at one end of the air cylinder (212), one end of the spring b (213) is fixedly connected with the air cylinder (212), and the other end of the spring b (213) is in contact connection with the seal cap a (211); the stator a (209) is slidably mounted inside the cylinder (212); one end of a connecting rod (207) is rotatably arranged on a cylinder on the eccentric wheel (206); the stator b (210) is slidably mounted inside the cylinder (212), one end of the stator b (210) is provided with a cylinder, and the cylinder is rotatably connected with a round hole at the other end of the connecting rod (207).

4. A hand held engraving tool as claimed in claim 1, characterized in that said rotary part (3) comprises: the device comprises a shell c (301), a cap b (302), a clamping seat (303) and a transmission shaft (304); the shell c (301) is a central control structure, one end of the shell c (301) is fixedly connected with the shell b (201) and is arranged in the shell a (101) in a sliding mode, and the other end of the shell c (301) is fixedly connected with one end of the dustproof soft ring (104); the transmission shaft (304) is rotatably arranged in the shell c (301), the seal cap b (302) is fixedly arranged in the transmission shaft (304), and the seal cap b (302) is simultaneously connected with the seal cap a (211) in a sliding manner; the clamping seat (303) is fixedly arranged on the seal cap b (302), and one end of the clamping seat (303) penetrates through a hole in the seal cap a (211) and extends into the cylinder (212).

5. A hand held engraving tool as claimed in claim 2, wherein said power section (4) comprises: a motor (401), a spur gear a (402), a spur gear b (403), and a spur gear c (404); the motor (401) is fixedly arranged at one end of the shell b (201), and the other end of the motor (401) is fixedly connected with one end of the spring a (105); a spur gear a (402) is rotatably arranged inside the shell b (201), and the spur gear a (402) is fixedly connected with a motor (401) shaft of the motor (401); six straight gears b (403), wherein two ends of each straight gear b (403) are rotatably arranged in circular holes in the shell b (201), and the straight gears b (403) are meshed with the straight gears a (402); a spur gear c (404) is rotatably installed inside the housing b (201), and the spur gear c (404) is engaged with the spur gear b (403).

6. A hand held engraving tool as claimed in claim 1, characterized in that said switching part (5) comprises: the device comprises a positioning ring (501), a marble a (502), a marble b (503), a connecting shaft (504), a limiting plate (505), a limiting block (506) and a marble c (507); the positioning ring (501) is rotatably arranged on the seal cap a (211), and the positioning ring (501) is fixedly connected with the straight gear c (404); six round holes are formed in one side of the positioning ring (501), six marbles b (503) are installed in the round holes in a sliding mode, six round holes are formed in the other side of the positioning ring (501), and six marbles a (502) are installed in the round holes in a sliding mode; one end of the connecting shaft (504) is rotatably arranged on the positioning ring (501); the limiting plate (505) is rotatably arranged at the other end of the connecting shaft (504), six limiting blocks (506) are uniformly arranged on the limiting plate (505), and marbles c (507) are slidably arranged in round holes of the limiting blocks (506).

7. A hand held engraving tool as claimed in claim 2, wherein said clamping portion (6) comprises: a housing d (601), a coil spring (602), and a positioning block (603); the shell d (601) is rotatably arranged at one end of the shell c (301); one end of the coil spring (602) is fixedly connected with the shell d (601), and the other end of the coil spring (602) is fixedly connected with the shell c (301); one end of the shell c (301) is provided with four grooves, a positioning block (603) is arranged in each groove in a sliding mode, a protrusion is arranged on the other side of each positioning block (603), and the protrusion is matched with the arc-shaped groove in the shell d (601).

8. A hand held carving tool as claimed in claim 1 characterized in that said drill part (7) comprises: a rotating head (a 7); one end of the rotating head (a7) is provided with two rows of grooves, and the tail end groove is matched with the marble c (507); the secondary groove is matched with the positioning block (603); the top end of the rotating head (a7) is provided with a grinding head; the tail end of the rotating head (a7) is matched with the clamping seat (303); the rotary head (a7) is a tool bit for engraving material for grinding.

9. A hand held carving tool as claimed in claim 1 characterized in that said drill part (7) comprises: an impact rotor (b 7); one end of the impact rotary head (b7) is provided with two rows of grooves, the tail end groove is matched with the marble c (507), and compared with the tail end groove of the rotary head (a7), the distance from the tail end groove to the tail part is reduced; the secondary groove is matched with the positioning block (603); the top end of the impact rotary head (b7) is provided with a grinding head; the tail end of the impact rotary head (b7) is matched with the clamping seat (303); the impact rotor (b7) is a tool bit for carving material to impact rotor hole.

10. A hand held carving tool as claimed in claim 1 characterized in that said drill part (7) comprises: a nicking head (c 7); one end of the carving head (c7) is provided with two rows of grooves, the tail end groove is matched with the marble c (507), and compared with the tail end groove of the impact rotary head (b7), the distance from the tail end groove to the tail end is reduced; the secondary groove is matched with the positioning block (603); the top end of the carving head (c7) is provided with a grinding head; the tail end of the carving head (c7) is matched with the clamping seat (303); the carving tip (c7) is a tip for carving a material.