CN2220912Y

CN2220912Y - Portable pipe cutter

Info

Publication number: CN2220912Y
Application number: CN 95201446
Authority: CN
Inventors: 林水池
Original assignee: Individual
Current assignee: Individual
Priority date: 1995-02-22
Filing date: 1995-02-22
Publication date: 1996-02-28
Anticipated expiration: 2005-02-22

Abstract

The utility model relates to a portable pipe cutter. A motor is installed in a cutter to rotate to reach cutting off effect. The portable pipe cutter is characterized in that a gear driving mechanism is arranged in a rotating seat. The gear driving mechanism comprises a slide block, a driving gear, supporting seats, a control gear, a driving gear sleeve barrel, etc. A cutting knife and the slide block are hinged in knife slots at both sides of a rotary table by a bolt, and the supporting seats are hinged at both sides of the knife slots on the back face of the rotary table. The driving gear and the control gear are meshed with a radial gear of the driving gear sleeve barrel. When the motor rotates to make the gear driving mechanism operate, the cutting knife is controlled by hand to cut so as to quickly cut off various pipe type workpieces to make the end surfaces of the workpieces smooth.

Description

Portable pipe cutting machine

The utility model relates to a kind of cutting machine, is suitable for the cut-out of all kinds pipe, refers to a kind of portable portable pipe cutting machine especially.

Hydroelectric project or field maintenance operations such as general now piping engineering such as PVC, copper, aluminium, iron are all cut off with handsaw formula or abrasive cut-off machine usually, in construction many inconveniences are arranged, and actual the use often has following shortcoming:

1, common cutting machine (coping saw) cut off not only effort and must the time longer.

2, common cutting machine noise is big and dangerous high, and its grinding wheel or saw blade easy fracture when cutting flies out and injures staff and other people, and produces spark and disorderly fly easily to cause disaster.

3, its loss of common cutting machine is big, and its saw blade easy fracture, and grinding wheel quick abrasion all cause cost to improve.

4, common cutting machine is easily crooked in the end face that cuts off machining object, produce burr and can not chamfering, so that procedure is cumbersome.

5, its cut-out of common cutting machine is crooked because of meeting, so the palpus length in reserve causes the not enough and waste material of the size Control degree of accuracy.

6, common cutting machine is when desiring to cut the higher workpiece of big caliber or hardness, and its saw blade (grinding wheel) is difficult for making and the cost height, and the cutting material is restricted to making, and construction is difficult to be cooperated.

7, the abrasive machine heaviness of using usually is to making mobility not good and take up space (as the mansion piping engineering).

The purpose of this utility model is to provide a kind of portable pipe cutting machine of portability, can improve the quality of pipe distribution operation.

The technical solution of the utility model is such: it comprises main body and anchor clamps two parts, main body is to be grouped into by rotating part and transmission control part, wherein rotating part comprises motor, central shaft, rotating disk and protection plate, the right side part of central shaft is fixed in the axis hole of motor, protection plate and rotating disk with bolted splice in the central shaft front end, rotating disk is provided with the cutter groove in card, locatees and adjust the cutting knife height for cutting knife in the cutter groove, establishes through hole to put the slide block of driving section in cutter groove middle position; Transmission control part part comprises travelling gear sleeve, control gear, supporting seat, driven gear and slide block, the slide block front is provided with screw, the through hole that is passed cutting knife by bolt is articulated in cutting knife and slide block in the cutter groove of rotating disk both sides and moves up and down, the slide block reverse side is provided with toothrow and driven gear engaged transmission, the supporting seat hinge is fixed in cutter groove both sides, the rotating disk back side, its front end is provided with locating hole and cooperates with driven gear centrally-located hole, and is solid by the latch hinge, becomes the driven gear center of rotation; The control gear surface is arcuation and the travelling gear sleeve outer diameter is established radially gears engaged, makes it can move axially and drive driven gear and does positive and negative rotation; Anchor clamps are made up of anchor clamps sleeve gasket, slide block, leading screw and anchor clamps pedestal, wherein the sleeve gasket hinge is fixed in the anchor clamps pedestal, pipe and increase tight ness rating for the clamping various sizes, screw is established at the slide block center, and match with the thread of leading screw top, thread is located at the both sides of leading screw, is left and right hand thread, grips machining object with control slide block, anchor clamps.

Above-mentioned portable pipe cutting machine, wherein the travelling gear barrel forward end is provided with the two protruding wings, respectively establish through hole in order to hinged crank, driven gear can be made as crank gear, be provided with crank at the one end, this crank has a through hole, runs through hinge by latch and is fixed between the protruding wing of travelling gear sleeve, when the travelling gear sleeve moves, drive the crank gear swing.

Below in conjunction with drawings and Examples the utility model being done one describes in detail:

Fig. 1 is the combination action schematic diagram of the utility model one embodiment;

Fig. 2 is the left side view of Fig. 1;

Fig. 3 (A) and Fig. 3 (B) are the three-dimensional exploded views of Fig. 1;

Fig. 4 is that another embodiment of the present utility model makes up the action schematic diagram;

Fig. 5 is a schematic appearance of the present utility model.

As shown in Figure 1, portable pipe cutting machine structure elevation cross-sectional view, wherein machining object 92 enters along the centre bore 411 of central shaft 41, when making its appropriate location that reaches the desire cut-out, it is turn anchor clamps handwheel 85 (as Fig. 2), make anchor clamps 80 clamping machining object 92, start cutting machine immediately and be duty, again by handwheel 60 (as Fig. 3 (A)) turn, drive travelling gear sleeve 40, after making cutting knife 30 cut off processing downwards, circle round handwheel 60 and anchor clamps handwheel 85 take out machining object, promptly finish and cut off the processing operation.

Fig. 3 (A) is a three-dimensional exploded view of the present utility model, the right side of its central shaft 41 partly is fixed in the axis hole 701 of motor 70, rotation by motor internal drives central shaft 41 rotations, this motor is that the non-the utility model scope of the special motor of present market is not described in detail in this, the left side is the utility model running part, comprise a travelling gear sleeve 40, an axis hole 401 is established in its inboard, on this axis hole 401, establish a guide groove 403, engage via the slide rail 413 of guide groove 403 with central shaft 41 tops, make it be inserted in the left side of central shaft 41, and can mat slide rail make sleeve 40 establish radially gear 402 moving axially above the central shaft 41 and when central shaft 41 rotates, can be rotated in sleeve 40 external diameters by slide rail 413 drive drive sockets 40, by the radially transmission of gear 402, constitute the driving section of the utility model, control partly is handwheel 60 rotations by the outside, drive the control gear 62 of inside, by the travelling gear sleeve 40 on control gear 62 drive central shafts 41 external diameters, make this travelling gear sleeve 40 can be before doing axially on central shaft 41 external diameters, move the back, transverse axis bar 621 is established in the both sides of control gear 62 in addition, and the bearing 61 that is embedded in respectively on the shell 94 makes it can do axial transmission in inside, wherein the cross bar of a side extends to outside the shell 94 fixing with the through hole 602 of handwheel 60, then operating personnel rotate by the handgrip 601 of handwheel 60 tops, can control travelling gear sleeve 40 on central shaft 41 external diameters, does axial before, move the back.Rotating disk 20 is run through fish eyelet 23 with bolt 26 be fixed at central shaft 41 screw 412 of end before, establish a slide block 50 in through hole 211 in cutter groove 21 back sides of rotating disk 20, and in it, slide up and down; Place in the cutter groove 21 through hole 301 that passes cutting knife 30 with bolt 32 to screw in the screw 501 of slide blocks 50 cutting knife 30, make linear slide up and down so that cutting knife 30 is fixed in the cutter groove of rotating disk 20 to drive by slide block 50; Be provided with flange 503 in the both sides of slide block 50, make it can closely be against the right-hand of rotating disk 20, and its other end be provided with toothrow 502 with driven gear 51 on gear engagement, can drive slide block 50 when driven gear 51 is rotated and slide up and down; The fixing bearing 512 of wearing locating hole 522 and driven gear 51 centers on the supporting seat 52 by latch 54 expenses of this driven gear 51, make radially gear 402 engagements of its gear and travelling gear sleeve 40 external diameters, when travelling gear sleeve 40 during in the moving axially of central shaft 41, just can slide block 50 can be slided up and down driving-belt moving gear 51, supporting seat 52 is located at the both sides of driven gear 51 again, which is provided with through hole 521 so that bolt 53 runs through and is threaded in the screw 24 of rotating disk 20, its objective is fixed band moving gear 51, make it can accept to rotate when travelling gear sleeve 40 moves and drive slide block 50 then.Establish a protection plate 10 in rotating disk 20 front ends, revolved in the screw 22 that fish eyelet 12 is fixed at rotating disk 20 with bolt 14, and cutting knife 30 is hidden in inside, simultaneously the through hole 301 on the cutting knife 30 in the through hole 13 of protection plate 10 and the rotating disk 20 matches, via the degree of tightness of the through hole 13 control screws 32 advance and retreat cutter distance with adjustment cutting knife 30.

As Fig. 3 (B), it is the three-dimensional exploded view of the utility model anchor clamps part, machining object 92 is passed central shaft 41 and is reached when desiring off-position, promptly must be fixed by anchor clamps 80, its inside is penetrated with plug 88 in the through hole 801 of through hole 811 and anchor clamps 80 by an anchor clamps sleeve gasket 81, and its effect is to make all closely clamping and do not injure the machining object surface of the machining object 92 of 80 pairs of different sizes of anchor clamps; Its bottom is to be fixed in the screw 821 of slide block 82 tops by the fish eyelet 802 that bolt 87 screws in base 803, the screw 822 at slide block 82 centers matches with the thread 832 of leading screw 83 tops, this thread 832 is divided into transverse axis bar 831 both sides and is left and right hand thread, can drive anchor clamps 80 do clamping or action of releasing then by driving block 82 when making leading screw 83 rotations; The rotation of leading screw 83 is by 831 transmissions of center fixation one transverse axis bar, the bearing 84 that is embedded in anchor clamps pedestal 86 both sides is run through in the both sides of transverse axis bar 8 31 makes it can do the rotation transmission within anchor clamps pedestal 86, wherein the through hole 852 that extends to outside the anchor clamps pedestal 86 with handwheel 85 of a side cross bar closely cooperates fixing, operating personnel can control thread 832 driving blocks 82 of leading screw 83 by handgrip 851 rotations of handwheel 85 tops and the anchor clamps 80 of top are made clamping and action of releasing, reach the fixedly effect of machining object 92.

Fig. 1 is the combination action schematic diagram of the utility model, wherein by the advance and retreat cutter of handwheel 60 rotations with drive cutting knife 30, reaches the effect of cutting off machining object 92.

When motor 70 rotates drive central shaft 41, central shaft 41 drives rotating disk 20 and rotates and then drive whole cutting machine structure rotation, wherein driven gear 51 and control gear 62 are a parallel design because of gear 402 radially, so both do not rotate because of central shaft 41, and travelling gear sleeve 40 and rotating disk 20 acceptor center axles 41 driven rotary, so, travelling gear sleeve 40 in rotation be subjected to handwheel 60 rotation and before on central shaft 41, doing, the back move axially so that driving-belt moving gear 51 rotates, and drive the toothrow 502 of slide block 50 simultaneously, make slide block 50 in the through hole 211 of cutter groove 21, move down and drive cutting knife 30 in the cutter groove 21 of rotating disk 20 other ends and press down and cut off processing; Otherwise when handwheel 60 reversed turnings, the mat gear drive can drive slide block 50 rises with cutting knife 30, rotates handwheel 85 immediately, unclamps anchor clamps 80 as Fig. 2, takes out machining object 92, finishes and cuts off processing.

Fig. 4 is another combination action schematic diagram, wherein the driven gear in the aforementioned structure 51 is changed to another crank gear 91, and it also is fixed on supporting seat 52 with latch 54 with crank gear 91 makes crank gear 91 also make rotation status; Crank 911 other ends of crank gear 91 in the middle of the two protruding wings 902 of travelling gear sleeve 90 front ends, are run through locating hole and through hole 91 3 is fixed it with latch 903, crank gear 91 1 ends are articulated on the travelling gear sleeve 90, can swing; When handwheel 60 rotates control travelling gear sleeve 90 when mobile backward, the protruding wing 902 of travelling gear sleeve 90 front ends drives latch 903 and moves backward, because latch 903 is horizontal displacement in the crank 911 terminal through holes 913 of handle gear 91, these crank gear 91 middle-ends are that fulcrum is done spinning movement with the latch 54 of supporting seat 52 locating holes 522 promptly, then crank gear 91 front ends are promptly to pressing down, and drive slide block 50 and cutting knife 30 synchronously by gear and press down and cut off processing; Otherwise when handwheel 60 reversed turnings moved forward travelling gear sleeve 90, crank gear 91 will drive slide block 50 and cutting knife 30 rises, and finishes the cut-out processing action.

In sum, the utility model application gear structure drives cutting knife and cuts off in rotation, and except the shortcoming of normally used cutting machine is improved, and it is as follows to improve its effect:

1, the utility model is portable, and is lightly convenient and mobility is good, but the cooperating field The replacing on ground.

2, the utility model cutting machine cuts off with chamfering and once finishes, and is time saving and energy saving, convenient Take over or insert pipe arrangement.

3, the utility model scope of application is extremely wide, can cut PVC, copper, aluminium, iron and Plastic Steel Pipe Etc. material thickness pipe.

4, the utility model cutting speed is fast, noiselessness, and smooth smooth no burr of end face and size are accurate.

5, the utility model cutter is interchangeable, can be hilted broadsword or multiple-pin, and is provided with the cutterhead sheath, and cutter can not fly out or come off, and the cutting security is good.

6, the utility model adopts special machines torsion big, exempts from the long service life of dispelling the heat, but and compounding ingredient size and material soft or hard do suitable cutting.

7, the utility model machining object be fixed as cartridge type anchor clamps, do not injure surface of the work.

Claims

1, a kind of portable pipe cutting machine, it comprises main body and anchor clamps two parts, main body is to be grouped into by rotating part and transmission control part, it is characterized in that: rotating part comprises protecting cover (10), rotating disk (20), central shaft 41 and motor (70), the right side part of central shaft (41) is fixed in the axis hole (701) of motor (70), protection plate (10) and rotating disk (20) are fixed in central shaft (41) front end by bolt (26) hinge, rotating disk (20) is provided with cutter groove (21) in card, cutter groove (21) central part is provided with through hole (211), and slide block (50) is arranged in the through hole (211); The transmission control part branch comprises slide block (50), driven gear (51), supporting seat (52), control gear (62) and travelling gear sleeve (40), wherein slide block (50) front is provided with screw (501), the through hole (301) that is passed cutting knife (30) by bolt (32) is articulated in cutting knife (30) and slide block (50) in the cutter groove (21) of rotating disk (20) both sides, and slide block (50) reverse side is provided with toothrow (502) and driven gear (51) engagement; Supporting seat (52) hinge is fixed in rotating disk (20) back side cutter groove (21) both sides, its front end is provided with locating hole (522) and cooperates with driven gear (51) centrally-located hole (511), solid by latch (54) hinge, control gear (62) surface is arcuation, establishes radially gears engaged with travelling gear sleeve (40) external diameter; Anchor clamps (80) are to be matched by the thread (832) above anchor clamps sleeve gasket (81), slide block (82), the leading screw (83), and the both sides that thread (832) is located at leading screw (83) are left and right hand thread.

2, portable pipe cutting machine according to claim 1, it is characterized in that: wherein travelling gear sleeve (90) front end is provided with the two protruding wings (902), respectively establish one and run through locating hole, crank gear (91) is provided with crank (911) and is provided with through hole (913) at the one end, runs through locating hole and through hole (913) hinge by latch (903) and is fixed between the protruding wing (902) of travelling gear sleeve (90).