CN208895302U - A kind of hand-held fast and safely positions cutters - Google Patents

Abstract

The utility model discloses a kind of hand-held fast and safely positions cutters, including substrate and knife rest, damping spring is installed below the substrate, and screw rod is provided at left and right sides of damping spring, handle is mounted at left and right sides of the substrate, supporting platen is provided with below the screw rod, and the side of supporting platen is fixed with block cover, the ring disk is installed below the supporting platen, and the surface of the ring disk is provided with annular groove, the surface of the knife rest is fixed with motor mouth, and knife rest is located at the lower section of the ring disk.The hand-held setting that fast and safely positions cutters pass through damping spring, shock effect power suffered by human hand held handle can be alleviated, pass through the hand-held height of the adjustable whole device of screw rod, convenient for stress, air dispersion plate is able to carry out angular turn under the action of annular groove in the ring disk, it obtains preferably drawing support in conjunction with the traction action of telescopic lever and diagonal brace pull rod, ball is to keep air dispersion plate stability of rotation in the ring disk flexible.

Description

A kind of hand-held fast and safely positions cutters

Technical field

The utility model relates to cutting machine technical field, specially a kind of hand-held fast and safely positions cutters.

Background technique

Cutting machine is a kind of very common machining equipment, main to change shape of product using cutting cutting means, Product is set to meet drawing size, cutting machine is divided into flame cutting machine, plasma cutting machine, laser cutting machine, Water Cutting etc., laser Cutting machine is that efficiency is most fast, and cutting accuracy highest, cutting thickness is typically small, and plasma cutting machine cutting speed also quickly, is cut Face has certain gradient, and flame cutting machine is directed to the biggish carbon steel material of thickness, and laser cutting machine is that efficiency is most fast, cutting Precision highest, cutting thickness are typically small.However existing hand-hold shearing unit is needed in view of itself in actual use The problem of gravity, there are problems that obviously being not easy to holding in use process, while general cutting machine is being cut When, cutting effect depends entirely on assurance situation when human hand held, this just brings security risk to the use of people, is not easy to Quick positioning and stable use of the people to cutting machine, in cutting process, by the effect of rotating centrifugal, cutting scrap can jump Out, it threatens to the safety of user, likewise, chip accumulation is difficult to clear up, for cutting process, there is also larger Obstruction influence, for this purpose, it is proposed that a kind of hand-held fast and safely positions cutters.

Utility model content

The purpose of this utility model is to provide a kind of hand-held fast and safely positions cutters, to solve above-mentioned background skill The existing hand-hold shearing unit proposed in art needs the problem of considering self gravity, i.e. use process in actual use It is middle to there are problems that obviously being not easy to holding, while general cutting machine, in cutting, cutting effect depends on completely Assurance situation when human hand held, this just brings security risk to the use of people, is not easy to people to the quick fixed of cutting machine Position and stable use, in cutting process, by the effect of rotating centrifugal, cutting scrap can be jumped out, and be caused to the safety of user It threatens, likewise, chip accumulation is difficult to clear up, for cutting process, the problem of influence there is also biggish obstruction.

To achieve the above object, the utility model provides the following technical solutions: a kind of hand-held fast and safely positional dissection Machine, including substrate and knife rest are equipped with damping spring below the substrate, and are provided with spiral shell at left and right sides of damping spring Bar is mounted on handle at left and right sides of the substrate, supporting platen, and the side of supporting platen is provided with below the screw rod Face is fixed with block cover, the ring disk is equipped with below the supporting platen, and the surface of the ring disk is provided with annular groove, the table of the knife rest Face is fixedly arranged above motor mouth, and knife rest is located at the lower section of the ring disk, and the lower outer of the screw rod is provided with lateral bracing strut, and layback Shaft is installed below bar.

Preferably, the screw rod runs through inside the left and right sides of substrate and supporting platen respectively, and substrate and supporting table Elastic construction is constituted by damping spring between plate, the inside of the ring disk is annularly evenly arranged with ball, and ball is outer Be bonded to each other between side and the ring disk medial surface, through there is an air dispersion plate inside the left and right sides of the ring disk, and air dispersion plate with Size matches between annular groove.

Preferably, be fixed with blower below the air dispersion plate, and blower is internally provided with fan, the block cover it is interior Telescopic lever is installed above wall, and is provided with diagonal brace pull rod below telescopic lever, the lower end of the diagonal brace pull rod and relieve heat Plate connection, and air dispersion plate about the ring disk vertical centerline be symmetrical arranged there are two.

Preferably, it is provided with right redundant plate on the right side of the knife rest, and prismatic frame is installed below right redundant plate, it is described Slide bar is provided on the inside of prismatic frame, and size is mutually coincide between slide bar and the medial surface of prismatic frame, in the prismatic frame Between plastic bushing is installed, and plastic bushing is internally provided with reinforcing spring, is fixed with bottom plate below the plastic bushing, And bottom plate by prismatic frame, plastic bushing and reinforces spring and right redundant plate composition elastic lifting structure.

Preferably, movable plate, and ruler between the side of movable plate and the medial surface of bottom plate are installed below the bottom plate It is very little to match, fixed link is welded with below the movable plate, and fixed link is placed equidistant with along the horizontal direction of movable plate, it is described Casing is provided with below fixed link, and for through mating connection between casing and fixed link.

Preferably, described sleeve pipe is internally provided with contraction spring, and casing constitutes bullet by contraction spring and fixed link Property structure, the lower inner of described sleeve pipe is through there is rotating cylinder, and lower section is respectively and fixedly provided with pressing plate at left and right sides of the outer wall of rotating cylinder, and Vertical centerline between pressing plate about rotating cylinder is symmetrical.

Preferably, it is provided with left redundant plate on the left of the knife rest, and left redundant plate is fixedly arranged above hydraulic cylinder, it is described Hydraulic telescopic rod is installed above hydraulic cylinder, and is provided with support spring at left and right sides of hydraulic telescopic rod, the support Turning rolls is installed, and turning rolls constitutes lifting structure, and left redundant by hydraulic telescopic rod and hydraulic cylinder on the outside of spring It is bonded to each other between the medial surface of plate and the lateral surface of turning rolls, embedding bar is embedded with below the turning rolls, and under embedding bar Side is provided with idler wheel.

Preferably, the shaft end of the idler wheel is fixed with connecting rod, and the inside of connecting rod is through there is brush roll, the brush roll Be internally provided with oil pipe road, and brush roll outside it is cross-shaped be evenly arranged with mild steel brush, the outer wall of the brush roll is provided with Moisten oily cotton, and moistens and be interconnected between oily cotton and oil pipe road, and the vertical centerline moistened between oily cotton about brush roll is symmetrical.

Preferably, it is provided with protective shell on the inside of the lower section of the knife rest, and the centre of protective shell is through having cutter shaft, the guarantor Protective case is internally provided with cutterhead, and the disk of cutterhead is annularly evenly arranged with sharp sword, and the point sword is close to the cutterhead center of circle Side is equipped with washer, and spring leaf is provided among the end face of cutterhead.

Preferably, the outer edge of the cutterhead is evenly arranged with cutting edge, and liner cutterhead is fixed on the inside of cutterhead, institute The edge for stating liner cutterhead is evenly arranged with saw kerf, and center cutterhead is fixed on the inside of liner cutterhead, the center cutterhead It is fitted closely between outer disk and the interior disk of liner cutterhead, and is welded structure between center cutterhead and liner cutterhead.

Compared with prior art, the beneficial effects of the utility model are as follows:

1, the utility model can alleviate shock effect power suffered by human hand held handle by the setting of damping spring, By the hand-held height of the adjustable whole device of screw rod, it is convenient for stress, air dispersion plate can be under the action of annular groove in the ring disk Row angular turn obtains preferably drawing support in conjunction with the traction action of telescopic lever and diagonal brace pull rod, and ball is to make to dissipate Aerofoil stability of rotation in the ring disk is flexible, after the fan work of blower interior, can blow wind-force downwards, on the one hand can alleviate and cut On the one hand the case where bits splash upwards acts on by wind-force and the different oblique angles of air dispersion plate is arranged, chip is enable to be blown It opens, is convenient to clean, avoid the cutting work of hinder device, block cover protects operator for intercepting the chip splashed.

2, the utility model is by the setting of right redundant plate, makes on device that there are height adjusting structures, utilizes prismatic frame Extensibility makes there are activity drawing mechanism between right redundant plate and bottom plate, and slide bar ensure that prismatic frame in the mistake of contraction distortion Cheng Zhong has preferable structural strength, and plastic bushing can carry out elastic shrinkage under the action of internal reinforcing spring, activity Plate can be horizontally moved on the basis of bottom plate, and then adjustment cutting pressing position, fixed link can carry out in casing Elastic shrinkage carries out extruding fixation, while pressing plate to cleavage plane surface using pressing plate to adapt to the cut surface of Different Plane angle Also the deflection angle of itself can be neatly adjusted with regard to the actual angle of cut surface, preferably to fix cut surface, facilitate operation Personnel carry out cutting work.

3, the utility model passes through the setting of left redundant plate, makes the presence of cleaning and executing mechanism on device, in left redundant There are hydraulic controls on plate, and hydraulic cylinder is flexible by hydraulic control hydraulic telescopic rod, then to the position height of turning rolls Be adjusted, the embedding bar being arranged below turning rolls ensure that idler wheel has a preferable rotation activity on turning rolls, i.e., so that Idler wheel has the characteristic of universal wheel, can change direction at any time, and during commutation or normal action, brush roll can rub It is rotated under the action of power, chip is cleaned using mild steel brush, it, can also be in order to carry out moistening oily maintenance to cut surface Lubricating oil is stored in oil pipe road, lubricating oil is uniformly applied on cut surface by moistening oily cotton, conveniently oils, when saving oils Between.

4, the utility model makes the cutting tool on device have stable support construction, in knife by the setting of knife rest The protective shell being arranged below frame avoids cutter is sharp from being partially exposed at outside, to holdee for protecting cutterhead injury-free It causes to damage, when the sharp sword being evenly arranged on cutterhead is for alleviating cutting, cutting stress suffered by cutterhead, washer is used for The vacancy between cutterhead and protective shell is filled up, avoids cutterhead from shaking in rotation unstable, influences processing quality, spring leaf, which plays, to be subtracted The effect of shake.

5, the utility model cutting edge is designed using convex structure, is conducive to as cutting structure main on cutterhead Guaranteeing cut quality, extends cutting-tool's used life, the liner cutterhead being arranged on the inside of cutterhead is used to reinforce entire cutting tool, Make cutter that there is good structural strength, the sawing that the saw kerf of setting makes liner cutterhead have hacksaw at liner cutterhead edge is made With center cutterhead outer edge is smooth, for quickly positioning.

Detailed description of the invention

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is the utility model the ring disk structural schematic diagram；

Fig. 3 is the utility model prismatic frame structural schematic diagram；

Fig. 4 is the utility model fixed link and casing-pipe connection structure schematic diagram；

Fig. 5 is the utility model brush roller structure schematic diagram；

Fig. 6 is the utility model cutter head structure schematic diagram；

Fig. 7 is enlarged structure schematic diagram at A in the utility model Fig. 6.

In figure: 1, substrate；2, damping spring；3, screw rod；4, handle；5, supporting platen；6, block cover；7, the ring disk；8, annular groove； 9, ball；10, air dispersion plate；11, blower；12, fan；13, telescopic lever；14, diagonal brace pull rod；15, knife rest；16, motor mouth； 17, lateral bracing strut；18, shaft；19, right redundant plate；20, prismatic frame；21, slide bar；22, plastic bushing；23, spring is reinforced；24, bottom Plate；25, movable plate；26, fixed link；27, casing；28, contraction spring；29, rotating cylinder；30, pressing plate；31, left redundant plate；32, liquid Cylinder pressure；33, hydraulic telescopic rod；34, support spring；35, turning rolls；36, embedding bar；37, idler wheel；38, connecting rod；39, brush roll； 40, oil pipe road；41, mild steel brush；42, moisten oily cotton；43, protective shell；44, cutter shaft；45, cutterhead；46, sharp sword；47, washer；48, Spring leaf；49, cutting edge；50, liner cutterhead；51, saw kerf；52, center cutterhead.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-7 is please referred to, the utility model provides a kind of technical solution: a kind of hand-held fast and safely positions cutters, Including substrate 1 and knife rest 15, the lower section of substrate 1 is equipped with damping spring 2, and the left and right sides of damping spring 2 is provided with spiral shell Bar 3, the left and right sides of substrate 1 are mounted on handle 4, and the lower section of screw rod 3 is provided with supporting platen 5, and the side of supporting platen 5 It is fixed with block cover 6, the lower section of supporting platen 5 is equipped with the ring disk 7, and the surface of the ring disk 7 is provided with annular groove 8, and screw rod 3 is respectively from base Run through inside the left and right sides of plate 1 and supporting platen 5, and elasticity is constituted by damping spring 2 between substrate 1 and supporting platen 5 Structure, the inside of the ring disk 7 is annularly evenly arranged with ball 9, and mutually pastes between 7 medial surface of the lateral surface of ball 9 and the ring disk It closes, running through inside the left and right sides of the ring disk 7 has air dispersion plate 10, and size matches between air dispersion plate 10 and annular groove 8, by subtracting The setting for shaking spring 2, can alleviate shock effect power suffered by human hand held handle 4, pass through the adjustable whole device of screw rod 3 Hand-held height, be convenient for stress, air dispersion plate 10 is able to carry out angular turn under the action of annular groove 8 in the ring disk 7, air dispersion plate 10 Lower section is fixed with blower 11, and blower 11 is internally provided with fan 12, is equipped with telescopic lever 13 above the inner wall of block cover 6, And the lower section of telescopic lever 13 is provided with diagonal brace pull rod 14, the lower end of diagonal brace pull rod 14 is connect with air dispersion plate 10, and air dispersion plate 10 Vertical centerline about the ring disk 7 obtains there are two being symmetrical arranged in conjunction with the traction action of telescopic lever 13 and diagonal brace pull rod 14 Preferable traction support, ball 9 is the fan 12 in order to keep the stability of rotation in the ring disk 7 of air dispersion plate 10 flexible, inside blower 11 After work, wind-force can be blowed downwards, on the one hand can be alleviated the case where chip splashes upwards, on the one hand be acted on by wind-force, with And the different oblique angles setting of air dispersion plate 10, so that chip is blown open, be convenient to clean, avoid the cutting work of hinder device, keeps off Cover 6 is protected operator, the surface of knife rest 15 is fixed with motor mouth 16, and knife for intercepting the chip splashed Frame 15 is located at the lower section of the ring disk 7, and the lower outer of screw rod 3 is provided with lateral bracing strut 17, and the lower section of lateral bracing strut 17 is equipped with shaft 18, the right side of knife rest 15 is provided with right redundant plate 19, and the lower section of right redundant plate 19 is equipped with prismatic frame 20, prismatic frame 20 it is interior Side is provided with slide bar 21, and size is mutually coincide between slide bar 21 and the medial surface of prismatic frame 20, the intermediate installation of prismatic frame 20 There is plastic bushing 22, and being internally provided with for plastic bushing 22 reinforces spring 23, the lower section of plastic bushing 22 is fixed with bottom plate 24, And bottom plate 24 by prismatic frame 20, plastic bushing 22 and reinforces spring 23 and the composition elastic lifting structure of right redundant plate 19, utilizes The extensibility of prismatic frame 20 makes there are activity drawing mechanism between right redundant plate 19 and bottom plate 24, and slide bar 21 ensure that prismatic Frame 20 has preferable structural strength, effect of the plastic bushing 20 in internal reinforcing spring 23 during contraction distortion Under can carry out elastic shrinkage, the lower section of bottom plate 24 is equipped with movable plate 25, and the inside of the side of movable plate 25 and bottom plate 24 Size matches between face, and the lower section of movable plate 25 is welded with fixed link 26, and fixed link 26 is along the horizontal direction of movable plate 25 It is placed equidistant with, the lower section of fixed link 26 is provided with casing 27, and for through mating connection, activity between casing 27 and fixed link 26 Plate 25 can be horizontally moved on the basis of bottom plate 24, and then adjustment cutting pressing position, casing 27 are internally provided with Contraction spring 28, and casing 27 constitutes elastic construction by contraction spring 28 and fixed link 26, the lower inner of casing 27 runs through There is rotating cylinder 29, and lower section is respectively and fixedly provided with pressing plate 30 at left and right sides of the outer wall of rotating cylinder 29, and about rotating cylinder 29 between pressing plate 30 Vertical centerline is symmetrical, and fixed link 26 can carry out elastic shrinkage in casing 27, to adapt to the cut surface of Different Plane angle, Extruding fixation is carried out to cleavage plane surface using pressing plate 30, while pressing plate 30 also can neatly be adjusted with regard to the actual angle of cut surface The deflection angle of itself is saved, preferably to fix cut surface, operator is facilitated to carry out cutting work, the left side setting of knife rest 15 There is a left redundant plate 31, and left redundant plate 31 is fixedly arranged above hydraulic cylinder 32, the top of hydraulic cylinder 32 is equipped with hydraulic telescopic rod 33, and the left and right sides of hydraulic telescopic rod 33 is provided with support spring 34, the outside of support spring 34 is equipped with turning rolls 35, And turning rolls 35 constitutes lifting structure, and the medial surface and idler wheel of left redundant plate 31 by hydraulic telescopic rod 33 and hydraulic cylinder 32 It is bonded to each other between the lateral surface of frame 35, the lower section of turning rolls 35 is embedded with embedding bar 36, and the lower section of embedding bar 36 is provided with idler wheel 37, there are hydraulic controls on left redundant plate 31, and hydraulic cylinder 32 is flexible by hydraulic control hydraulic telescopic rod 33, then right The position height of turning rolls 35 is adjusted, and the embedding bar 36 being arranged below turning rolls 35 ensure that idler wheel 37 on turning rolls 35 With preferable rotation activity, i.e., so that idler wheel 37 has the characteristic of universal wheel, direction, the shaft end of idler wheel 37 can be changed at any time It is fixed with connecting rod 38, and the inside of connecting rod 38, through there is brush roll 39, brush roll 39 is internally provided with oil pipe road 40, and brushes The outside of roller 39 is cross-shaped to be evenly arranged with mild steel brush 41, and the outer wall of brush roll 39 is provided with the oily cotton 42 of profit, and moisten oily cotton 42 with Be interconnected between oil pipe road 40, and the vertical centerline moistened between oily cotton 42 about brush roll 39 is symmetrical, in commutation or During normal action, brush roll 39 can be rotated under the action of frictional force, be cleaned using mild steel brush 41 to chip, In order to carry out moistening oily maintenance to cut surface, lubricating oil can also be stored in into oil pipe road 40, lubricating oil is by moistening oily cotton 42 It is even to be applied on cut surface, it conveniently oils, saving oils the time, protective shell 43 is provided on the inside of the lower section of knife rest 15, and protect The centre of shell 43 is through there is cutter shaft 44, and protective shell 43 is internally provided with cutterhead 45, and the disk of cutterhead 45 is annularly uniformly set It is equipped with sharp sword 46, sharp sword 46 is equipped with washer 47 close to the side in 45 center of circle of cutterhead, and is provided with bullet among the end face of cutterhead 45 Reed 48, for the protective shell 43 being arranged below knife rest 15 for protecting cutterhead 45 injury-free, the part for avoiding cutter sharp is sudden and violent It exposes outside, holdee is caused to damage, when the sharp sword 46 being evenly arranged on cutterhead 45 is for alleviating cutting, 45 institute of cutterhead The cutting stress being subject to, washer 47 are used for the vacancy filled up between cutterhead 45 and protective shell 43, avoid the rolling in rotation of cutterhead 45 Dynamic shakiness, influences processing quality, and spring leaf 48 plays the role of damping, and the outer edge of cutterhead 45 is evenly arranged with cutting edge 49, And the inside of cutterhead 45 is fixed with liner cutterhead 50, the edge of liner cutterhead 50 is evenly arranged with saw kerf 51, and liner cutterhead 50 Inside be fixed with center cutterhead 52, fitted closely between the outer disk of center cutterhead 52 and the interior disk of liner cutterhead 50, and It is welded structure between center cutterhead 52 and liner cutterhead 50, cutting edge 49 is used as main cutting structure on cutterhead 45, Designed using convex structure, advantageously ensure that cut quality, extend cutting-tool's used life, be arranged on the inside of cutterhead 45 in Lining cutterhead 50 makes cutter have good structural strength, the setting at 50 edge of liner cutterhead for reinforcing entire cutting tool Saw kerf 51 makes liner cutterhead 50 have the sawing effect of hacksaw, and cutterhead 52 outer edge in center is smooth, for quickly positioning.

Working principle: checking device this kind of cutting machine first, and whether device be in can be at this time for judgement The state worked normally, in conjunction with actual conditions, the height of reasonable regulating device utilizes screw rod 3 and substrate 1 and supporting table Plate 5 runs through mating reaction, and the spacing between substrate 1 and supporting platen 5 is adjusted, then is fastened with nut, works When, center cutterhead 52 is registered to corresponding cutting position by human hand held handle 4, is guaranteed that position is accurate, is utilized air dispersion plate 10 and ring Inlay card cooperation between slot 8, enables air dispersion plate 10 to be rotated in the ring disk 7, as air dispersion plate 10 rotates, telescopic lever 13 Angle changes between diagonal brace pull rod 14, and simultaneous retractable pull rod 13 elongates, and after air dispersion plate 10 regulates tilt angle, uses Bolt fixes telescopic lever 13, then locks the connection bolt between telescopic lever 13 and diagonal brace pull rod 14, and air dispersion plate 10 It sets after fixing, begins preparing cutting, start hydraulic cylinder 32, under hydraulic action, hydraulic telescopic rod 33 is flexible, and turning rolls 35 is opposite The position of left redundant plate 31 changes therewith, on the one hand support spring 34 plays back-up roller wheel carrier 35, on the one hand then plays flat Idler wheel 37, is adjusted to the position being in contact with cut surface by the effect of weighing apparatus damping, is offered in the bottom surface of turning rolls 35 for embedding bar The annular grooves of 36 rotations, enable idler wheel 37 to change direction at any time, when cutting, start the motor installed inside motor mouth 16, lead to It crosses the drive mechanisms such as built-in driving belt band movable arbor 44 to work, liner cutterhead 50 contacts cut surface, and utilization is uniform thereon The saw kerf 51 of setting generates sawing effect to cut surface, and then the cutting edge 49 on cutterhead 45 contacts cut surface, is revolved using high speed Turn, fly-cutting is carried out to cut surface, sharp sword 46, with cutting face contact, is alleviated entire when depth of cut reaches a certain range The cutting stress of cutting tool, while cutting, mobile device starts the motor inside blower 11, makes fan 12 to sending outside Wind dispels chip, while also avoiding chip from splashing and impacting to operator, and as device is mobile, idler wheel 37 can be synchronized It turns to, after the mild steel brush 41 and chip contact in 39 outside of brush roll, under the action of frictional force, brush roll 39 can be rotated, with right Chip is cleaned, on the cut surface processed, it is sometimes desirable to be carried out moistening oily maintenance to cut surface, at this moment can be stopped equipment Under, lubricating oil is injected into oil pipe road 40, after oil infiltration moistens oily cotton 42, then mobile device, utilize the profit oil for being soaked with lubricating oil Cotton 42 carries out maintenance work of uniformly putting the oil to cleavage plane surface, in cutting process, in order to avoid cutting object is because of unbalance stress The problem of weighing and bounce occurs or swings, is especially provided with pressure balance fixed mechanism at one in the present apparatus, and fixed link 26 is passed through Cooperation is worn in casing 27, under the elastic reaction of contraction spring 28, there are certain elasticity between fixed link 26 and casing 27 Contractility can complete corresponding contraction, while being provided with for slide bar in 20 inner wall of prismatic frame with regard to actual cut surface angle The slot of 21 slidings, prismatic frame 20 itself have retractility, gather the reinforcing spring 23 inside plastic bushing 22 and obtain elastic shrinkage Ability, slide bar 21 accordingly change the placement location of itself with the dilatation of prismatic frame 20, ensure that the structure of prismatic frame 20 is strong Degree and stability, 24 inlay card of bottom plate is in the sidewall notches of movable plate 25, so that can be to movable plate on the basis of bottom plate 24 25 are horizontally moved, and carry out elastic pressure holding to cut surface using the entire elastic construction being arranged below right redundant plate 19, make to cut Face surface uniform force cooperates cutting action, completes the cutting work stablized and balanced, completes entire cutting machine like this Use process.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (10)

1. a kind of hand-held fast and safely positions cutters, including substrate (1) and knife rest (15), it is characterised in that: the substrate (1) it is equipped with below damping spring (2), and is provided with screw rod (3) at left and right sides of damping spring (2), the substrate (1) The left and right sides be mounted on handle (4), be provided with supporting platen (5) below the screw rod (3), and supporting platen (5) Side is fixed with block cover (6), is equipped with the ring disk (7) below the supporting platen (5), and the surface of the ring disk (7) is provided with ring The surface of slot (8), the knife rest (15) is fixed with motor mouth (16), and knife rest (15) is located at the lower section of the ring disk (7), described The lower outer of screw rod (3) is provided with lateral bracing strut (17), and shaft (18) are equipped with below lateral bracing strut (17).

2. a kind of hand-held according to claim 1 fast and safely positions cutters, it is characterised in that: the screw rod (3) Run through inside the left and right sides of substrate (1) and supporting platen (5) respectively, and by subtracting between substrate (1) and supporting platen (5) It shakes spring (2) and constitutes elastic construction, the inside of the ring disk (7) is annularly evenly arranged with ball (9), and ball (9) is outer It being bonded to each other between side and the ring disk (7) medial surface, running through inside the left and right sides of the ring disk (7) has air dispersion plate (10), And size matches between air dispersion plate (10) and annular groove (8).

3. a kind of hand-held according to claim 2 fast and safely positions cutters, it is characterised in that: the air dispersion plate (10) it is fixed with below blower (11), and blower (11) is internally provided with fan (12), above the inner wall of the block cover (6) It is equipped with telescopic lever (13), and is provided with diagonal brace pull rod (14) below telescopic lever (13), the diagonal brace pull rod (14) Lower end is connect with air dispersion plate (10), and air dispersion plate (10) about the ring disk (7) vertical centerline be symmetrical arranged there are two.

4. a kind of hand-held according to claim 1 fast and safely positions cutters, it is characterised in that: the knife rest (15) Right side be provided with right redundant plate (19), and prismatic frame (20) are installed below right redundant plate (19), the prismatic frame (20) Inside be provided with slide bar (21), and between slide bar (21) and the medial surface of prismatic frame (20) size mutually coincide, the prismatic The centre of frame (20) is equipped with plastic bushing (22), and being internally provided with for plastic bushing (22) reinforces spring (23), the modeling It is fixed with bottom plate (24) below material casing (22), and bottom plate (24) by prismatic frame (20), plastic bushing (22) and reinforces bullet Spring (23) and right redundant plate (19) constitute elastic lifting structure.

5. a kind of hand-held according to claim 4 fast and safely positions cutters, it is characterised in that: the bottom plate (24) Lower section be equipped with movable plate (25), and size matches between the side of movable plate (25) and the medial surface of bottom plate (24), institute It states and is welded with below movable plate (25) fixed link (26), and fixed link (26) is equidistantly set along the horizontal direction of movable plate (25) It sets, is provided with casing (27) below the fixed link (26), and for through cooperation company between casing (27) and fixed link (26) It connects.

6. a kind of hand-held according to claim 5 fast and safely positions cutters, it is characterised in that: described sleeve pipe (27) Be internally provided with contraction spring (28), and casing (27) constitutes elastic construction by contraction spring (28) and fixed link (26), The lower inner of described sleeve pipe (27), which runs through, to be had rotating cylinder (29), and lower section is respectively and fixedly provided with pressing plate at left and right sides of the outer wall of rotating cylinder (29) (30), the vertical centerline and between pressing plate (30) about rotating cylinder (29) is symmetrical.

7. a kind of hand-held according to claim 1 fast and safely positions cutters, it is characterised in that: the knife rest (15) Left side be provided with left redundant plate (31), and left redundant plate (31) is fixedly arranged above hydraulic cylinder (32), the hydraulic cylinder (32) Top be equipped with hydraulic telescopic rod (33), and support spring (34), institute are provided at left and right sides of hydraulic telescopic rod (33) It states and is equipped on the outside of support spring (34) turning rolls (35), and turning rolls (35) passes through hydraulic telescopic rod (33) and hydraulic cylinder (32) lifting structure is constituted, and is bonded to each other between the medial surface of left redundant plate (31) and the lateral surface of turning rolls (35), institute It states and is embedded with below turning rolls (35) embedding bar (36), and be provided with idler wheel (37) below embedding bar (36).

8. a kind of hand-held according to claim 7 fast and safely positions cutters, it is characterised in that: the idler wheel (37) Shaft end be fixed with connecting rod (38), and the inside of connecting rod (38), through having brush roll (39), the inside of the brush roll (39) is set Be equipped with oil pipe road (40), and brush roll (39) outside it is cross-shaped be evenly arranged with mild steel brush (41), the brush roll (39) Outer wall is provided with the oily cotton (42) of profit, and moisten it is interconnected between oily cotton (42) and oil pipe road (40), and moisten oily cotton (42) it Between about brush roll (39) vertical centerline it is symmetrical.

9. a kind of hand-held according to claim 1 fast and safely positions cutters, it is characterised in that: the knife rest (15) Lower section on the inside of be provided with protective shell (43), and the centre of protective shell (43) is through having cutter shaft (44), the protective shell (43) It is internally provided with cutterhead (45), and the disk of cutterhead (45) is annularly evenly arranged with sharp sword (46), the point sword (46) is close The side in cutterhead (45) center of circle is equipped with washer (47), and spring leaf (48) are provided among the end face of cutterhead (45).

10. a kind of hand-held according to claim 9 fast and safely positions cutters, it is characterised in that: the cutterhead (45) outer edge is evenly arranged with cutting edge (49), and liner cutterhead (50), the liner are fixed on the inside of cutterhead (45) The edge of cutterhead (50) is evenly arranged with saw kerf (51), and center cutterhead (52) are fixed on the inside of liner cutterhead (50), described It is fitted closely between the outer disk of center cutterhead (52) and the interior disk of liner cutterhead (50), and center cutterhead (52) and liner knife It is welded structure between disk (50).