CN2908087Y - Blade structure capable of lifting with circular saw blade - Google Patents

Abstract

A riving knife structure that can move along the elevation of the saw bit of a circular saw is provided. The utility model can restrict and absorb scraps caused by a wood board cutting as well as reduce the volume of the circular saw and adjust the position of a riving knife along the direction of up and down and left and right according to the size of a sawing bit. The utility model is essentially provided with a clap-board between the two swing bases of the circular saw. The side of the clapboard is provided with an elevation block which can move along the saw bit and whose one side can slide along the slide track on the clap-board while the other side is connected with the motor that drives the rotation of the saw bit. A spiral arm is arranged between the elevation block and clap-board to ensure the horizontal movement of the two ends of the elevation block along the direction of up and down. The top end of the riving knife is hinged with a second dust collection mask which is downward and takes the see through shape. Due to the elevation of the riving knife along the saw bit, the second dust collection mask and the saw bit can maintain constantly a certain distance so that the two can keep close while mutual non-interference to restrict the wood scraps and absorb the wood scraps away produced by the wood board cutting.

Description

Can be with the chopper structure of saw blade lifting

Technical field

The utility model is the cutter structure that cuts plank about a kind of, be meant especially a kind of can be with the chopper structure of saw blade lifting.

Background technology

See also Fig. 1 to shown in Figure 4, general circular sawing machine 10 is to be applicable to dealer who makes furniture or the dealer who is engaged in decoration, its top is the platform 102 with a horizontal plank 20, wherein dual-side respectively is provided with runner 18 on the other hand, 19, this hand runner 18 is in conjunction with a rotating shaft 181 and arc groove 161 engagements of adjusting seat 16, this adjusts arc groove 161 engagements of the axle pivot seat 16 of seat 16 1 sides, this adjusts seat 16 1 belt pulleys (belt pulley is covered work by belt 201), these knife bar 164 front ends set firmly a saw blade 104, just changeing or reverses to make and adjust 16 and turn on or turn down and drive saw blade 104 simultaneously through rotating hand runner 18, and make saw blade 104 do oscilaltion, with in response to plank 20 these belt pulleys of various different-thickness and be fixed in 20 sheathed several belts 201 of motor of motor fixing base 165, make saw blade 104 be driven and to rotate by motor 20, (this is known structure and this hand runner 19 is with arc groove 131 engagement of another rotating shaft and this second swing seat 13, in figure, do not indicate for this reason), it is to make second swing seat 13 turn on or turn down that mat adjusts that this hand runner 19 just changeing or reversing, and because of this first swing seat 11, second swing seat 15, Connection Block 11,13,12 is to make up in the solid mode of spiral shell to be fixed into one, when second swing seat 13 turns on or turn down, first and second swing seat 11,13 is with its chute 111,132 concentric slippages are in the slide rail 141 of first flap seat 14 and second flap seat 15, on 151, because of this adjustment seat 16 and motor fixing base 165 all are sheathed on the axostylus axostyle 163 fixing, and the two relative spool pivot seats 121 of pivot in Connection Block 12 1 sides are then worn at axostylus axostyle 163 two ends, 122 perforation 1211, in 1221, so when second swing seat 13 turns on or turn down, be to make the angle of saw blade 104 do the beat displacement, make the sawing face of plank 20 can optionally saw out various different angles; This known circular sawing machine 10 cuts the back in the plank of saw kerf both sides for making, when the displacement backward of full wafer plank, can not press from both sides and pull in together, be to establish a chopper 24 and a dust cover 23 that protrudes from circular sawing machine 10 table tops, guard shield 23 is established one with chopper 24 and group and is formed a straight line, the bottom surface of this guard shield 23 and front and back sides are to form a storage tank 231, saw blade 104 can be placed in the storage tank 231, and this protects mat and puts 23 covering, makes not sputter everywhere of wood chip; Mat chopper 14 is positioned at the rear of saw blade 104, and itself tool one length, so that the plank of sawing can be separated by chopper 24; This chopper 24 and guard shield 23 are to be mounted on one on the holder 22 that first swing seat 14 extends towards case body 101 outsides, this holder 22 is to be fixed in one to be mounted on the support bar 21 of first swing seat 14, though this support bar 21, holder 22, guard shield 23, chopper 24 can be with first swing seat, 14 deflection angles, so but can't oscilaltion, and derive following shortcoming:

1, this guard shield 23 is the use that can meet the saw blade 1 of various different sizes with chopper 24, so it highly is to be foundation with maximum sized saw blade 104, when desiring to cut the plank of thinner thickness, saw blade 104 is in the time of must adjusting the saw blade 104 of decline or use reduced size, 23 of this saw blade 104 and guard shields then produce excessive gap, make to cut the wood chip that plank produces and can't be subjected to the restriction of guard shield 23, and fly everywhere, cause air pollution, sometimes even shoot the operator wounded.

2, because of the height of guard shield 23 and chopper 24 is that the highest lifting height with maximum saw blade is a foundation, so, make the overall volume of circular sawing machine 10 excessive relatively, and must occupy bigger space.

3, the two ends screw lock of this Connection Block 12 is in first and second swing seat seat 11,13, if the saw blade 104 of circular sawing machine 10 is through the abnormal bump of plank, this is first years old, second swing seat 11,13 with the spiral shell Gu Chu of Connection Block 12 situation of short time set can take place, and cause the angle of saw blade 104 actual beats or the distance of oscilaltion to disagree with graduation apparatus 103 numerals that are shown in circular sawing machine 10 outsides, and can't sawing go out the plank of just size, causing the operator sustains a loss, and in case find to have this situation to take place, because of this first, second swing seat 11,13, Connection Block 12 is the inside that is assembled in circular sawing machine 10, the operator also can't be under the situation that will not put in order 12 dismountings of group Connection Block, carry out the Luo Guchu of Connection Block 12 is given the solid work of spiral shell again, cause operator's inconvenience greatly.

4, the case body 101 of known circular sawing machine 10 is the inner rooms that are hollow, cut wood chip that plank produces and be disperse everywhere after, just fall to case body 101 bottoms at last, the side of the nearly bottom of this case body 101, generally be to be provided with a suction port (figure do not look and) and wood chip can be siphoned away, the right various actuated elements surface of the as easy as rolling off a log lamination of wood chip in case body 101 of dispersing everywhere, causing each actuated element can't smooth and easy transmission, get off for a long time, make clip between actuated element most probably and can't rotate, and often cleaning or therefore cause actuated element to damage.

The utility model content

The purpose of this utility model provides and a kind ofly can rise grand chopper structure with saw blade, can be effectively with cut wood chip restriction that plank produces toward and fully siphon away, wood chip can not dispersed and prevent air pollution, reduce the volume of annular saw simultaneously, and make the size of the visual saw blade of chopper and reach the position adjustment of left and right directions up and down.

For achieving the above object, solution of the present utility model is: a kind of can be with the chopper structure of circular sawing machine saw blade lifting, the both sides, case body top of circular sawing machine respectively are provided with one first flap seat, one second flap seat, in addition two swing seats of circular sawing machine each with its chute be embedded in relative first flap seat, on the slide rail of second flap seat, between this two swing seat in conjunction with fixing a connecting seat, two axle bed countershaft pivots one of Connection Block are in order to the motor fixing base of fixing motor, and coaxial and while axle pivot is fixed the adjustment seat of a tool arc groove, this adjusts seat axle pivot one knife bar, the knife bar front group is established a saw blade, the sheathed belt pulley of fixing in addition on the knife bar, a sheathed belt between belt pulley and motor, wherein: group is established the dividing plate of a tool long slot bore between this two swing seat, one side of this dividing plate is provided with one and makes the guide rail of vertical arc displacement thereon for a side of a lift plate, the end in addition of this lift plate is mounted on knife bar, and can be with saw blade, the motor lifting, this lift plate and dividing plate countershaft pivot one make lifting levy the spiral arm of two ends lifting simultaneously, group is established a chopper on this lift plate, and the top axle pivot one of this chopper is second dust gathering arrester that permeable type is placed in one for saw blade down.

This lift plate and chopper interbody spacer one trimmer, this lift plate, trimmer, chopper are fixed in one by a locking plate and screw, nut screw lock; One side of this lift plate is provided with an axis hole and sheathed being fixed on the knife bar, the in addition side of lift plate is established the number folders at interval sheet of pulling, the number folder is pulled formation gap between sheet and can be inserted for guide rail, makes lift plate can do the oscilaltion action on guide rail, and a horizontal long slot bore is established in the centre of lift plate; The front end face of this trimmer is provided with the projection of two longitudinal separations and can be embedded in the long slot bore of chopper, then establishes rectangle perforation between two projections and wears pivot for screw, and this trimmer back side is provided with two laterally spaced projections and can be embedded in the long slot bore of lift plate; This chopper is established one and is supplied the long slot bore of the two projections embedding of trimmer front end face, and locking plate respectively is provided with a breach with respect to the relative position of trimmer front two projections.

The side of this dividing plate is organized first dust gathering arrester of establishing tool one long slot bore that the element frame that will be mounted on the dividing plate encloses separately, form closed between the both sides of this first dust gathering arrester, bottom and dividing plate, the bottom face of first dust gathering arrester is established a hollow control of dust head again, and the control of dust head is to link with a flexible pipe again.

This second dust gathering arrester is to be communicated with a flexible pipe.

But this lift plate is provided with the pin of a shift reciprocately and relative with knife bar, and when pin became the clip state with knife bar, knife bar promptly can't rotate, and when pin did not become the clip state with knife bar, knife bar was promptly rotatable.

This knife bar is provided with the wheel face of a tool one to the number short slot with respect to the pin place.

This pin is worn pivot in a pedestal that is fixed on the lift plate, the side of this pedestal is provided with one and supplies this pin to wear the screw of pivot and through hole perforation, the end of pin forms bellend, pin be axially arranged with a recessed long recess, this long recess is to be screwed into and to support in the long recess by the screw of a screw from pedestal, with clip long recess two ends, make pin displacement between certain distance, the outer ring surface of this pin is positioned at sheathed one spring that the pin perseverance is pushed against outward between bellend and pedestal.

Between this chopper and lift plate, worn pivot with a bolt, axle stud shaft pivot is in the handgrip of a tool eccentric cam, the eccentric cam protuberance of this handgrip goes to the axle spokeless wheel coaxial, be can be with chopper and lift plate packing, the eccentric cam of handgrip goes out portion and goes to the axle spokeless wheel not coaxially, and chopper is to become to get loose state with lift plate.

The sheathed spring of this axle spokeless wheel is between chopper and handgrip.

This lift plate and chopper interbody spacer one trimmer, the front side of this chopper is provided with the handgrip that a locking plate, a pivot have a bolt in regular turn, after this bolt is worn pivot and is crossed locking plate, chopper, trimmer, lift plate, give screw lock with a nut at last and fix, but on this bolt a sheathed spring and ejection locking plate toward outer displacement.

After adopting such scheme, because the utility model is that group is established a dividing plate between two swing seats of circular sawing machine, the side of dividing plate establishes one can be with the lift plate of saw blade lifting, one side slip of this lift plate is on a slide rail of being located on the dividing plate, side links with the motor that drives the saw blade rotation in addition, this lift plate and dividing plate countershaft pivot one spiral arm, make the lift plate two ends can flush upper and lower displacement, the top of this chopper axle pivot one again is second dust gathering arrester of permeable type down, this chopper of mat can be with the saw blade lifting, make that second dust gathering arrester and saw blade are permanent to keep the distance and don't the interference of pressing close to, make to cut the wood chip that plank produces and limit and fully siphoned away, and can contaminated air.

Description of drawings

Fig. 1 is the three-dimensional exploded view of the local part of known circular sawing machine;

Fig. 2 is the three-dimensional exploded view before known chopper and the assembling of guard shield circular sawing machine;

Fig. 3 is the stereogram before known chopper and the assembling of guard shield circular sawing machine;

Fig. 4 is the schematic diagram of known circular sawing machine when cutting plank;

Fig. 5 is the three-dimensional exploded view of chopper structure of the present utility model;

Fig. 6 is the three-dimensional exploded view of the chopper structure of the present utility model and first dust gathering arrester;

Fig. 7 is the stereogram that chopper structural group of the present utility model is loaded on circular sawing machine;

Fig. 8 A, 8B are chopper adjustment action schematic diagrames up and down;

Fig. 9 A, 9B are the action schematic diagrames that chopper is adjusted left and right displacement;

Figure 10 A, 10B are the side generalized sections of chopper structure;

Figure 11 A, 11B are the lifting action schematic diagrames of the utility model chopper structure;

Figure 12 is the schematic perspective view that the utility model saw blade quick-disassembly structure is assembled in lift plate;

Figure 13 A, 13B are the AA generalized sections of figure 12;

Figure 14 is the three-dimensional exploded view of the utility model quick detaching structure for riving knife;

Figure 15 is the schematic perspective view that the utility model quick detaching structure for riving knife is assembled in lift plate;

Figure 16 A, 16B are the section action schematic diagrames of the utility model quick-disassembly structure.

The main element symbol description

101 casees bodies of 10 circular sawing machines, 102 long slot bores

103 rules, 104 saw blades, 11 first swing seats

111 chutes, 112 axis holes, 12 Connection Blocks

1211 perforation of 122 pivot seats of 121 pivot seats

1221 perforation, 13 second swing seats, 131 grooves

132 chutes, 14 first flap seats, 141 slide rails

142 long slot bores, 15 second flap seats, 151 slide rails

16 adjust 162 pivot seats of seat 161 grooves

163 axostylus axostyles, 164 knife bars, 165 motor fixing bases

18 hand runners, 181 rotating shafts, 19 hand runners

20 motors, 201 belts, 21 support bars

22 holders, 23 dust covers, 231 storage tanks

24 choppers

32 bolts of 30 handgrips, 31 cams

321 external screw threads, 33 cushion blocks 34 support sheet

343 perforation of 341 breach, 342 breach

344 screws, 35 nuts, 36 springs

51 casees bodies of 50 circular sawing machines, 52 first flap seats

521 slide rails, 53 second flap seats, 531 slide rails

54 first swing seats, 541 chutes, 542 grooves

55 second swing seats, 551 chutes, 552 axis holes

562 pivot seats of 561 pivot seats of 56 Connection Blocks

571 rotating shafts of 563 grooves, 57 hand runners

581 rotating shafts of 572 screw threads, 58 hand runners

582 screw threads, 60 dividing plates, 61 long slot bores

62 guide rails, 63 spiral arms, 64 lift plates

641 axis holes, 642 lugs, 643 long slot bores

The 644 folders sheet 645 folder sheet 646 folders sheet of pulling of pulling of pulling

65 trimmers, 651 projections

652 projections, 653 perforation, 654 projections

655 projections, 656 screws, 66 choppers

661 pivot portion 662 long slot bores, 663 second dust gathering arresters

664 flexible pipes, 67 locking plates, 671 breach

672 breach, 68 first controls of dust, 681 breach

682 perforation, 69 control of dust heads, 691 flexible pipes

70 motor fixing bases, 71 motors, 711 belt pulleys

712 belts 72 are adjusted 73 pivot seats of seat

74 pivot seat 75 nuts 76 arc grooves

80 knife bars, 81 external screw threads, 82 external screw threads

83 wheel faces, 831 short slots

90 wrench, 92 pedestals, 921 through holes

922 screws, 93 springs, 94 pins

941 bellends, 942 grooves, 95 screws

The specific embodiment

For making your juror and practising in this technology personage, the utility model there is further understanding, now lift a preferred embodiment, describe in detail as the back: (only, present embodiment is explanation for the benefit of only, and the utility model enforcement in the future is not as limit, all improvement of doing with technical characterictic of the present utility model are implemented, and restrained by the utility model).

See also Fig. 5 to Figure 11 A, shown in the B, for reaching above-mentioned utility model purpose, improved characteristics of the present utility model is to be: both sides, annular saw machine case body 51 top respectively are provided with one first flap seat 52, one second flap seat 53, two swing seats 54 in addition of circular sawing machine 50,55 respectively with its chute 541,551 be embedded in relative first flap seat 52, the slide rail 521 of second flap seat 53, on 531, the diaxon pivot seat 561 of Connection Block 56,562 countershaft pivots, one motor fixing base 70, motor fixing base 70 bottoms then set firmly a motor 71, the rotating shaft of motor 71 is provided with a belt pulley 711, the adjustment seat 75 of axle pivot seat 562 fronts and co-axial shafts pivot one tool arc groove 76, adjust and establish two coaxial axle pivot seats 73 on the seat 75,74, this diaxon pivot seat 73,74 is a pivot one knife bar 80, and saw blade 104 is mounted on the front end of a knife bar 80, be provided with a belt pulley 85 on the knife bar 80 in addition, 711 of the belt pulleys of belt pulley 85 and motor 71 are arranged with several belts 712, belt pulley 85 is positioned at diaxon pivot seat 73,74, knife bar end after 80s then gives screw lock with a nut 75 and fixes, two swing seats 54 of circular sawing machine 50,55 groups are established the dividing plate 60 of a tool long slot bore 61, one side of this dividing plate 60 is provided with a guide rail 62 and can does vertical arc displacement thereon for a side of a lift plate 64, the end in addition of this lift plate 64 is mounted on the knife bar that drives saw blade 104 rotations, and can be with motor 71 liftings, this lift plate 64 makes the lifting simultaneously of lift plate 64 two ends with dividing plate 60 countershaft pivots, one spiral arm 63, group is established a chopper 66 on this lift plate 64, second dust gathering arrester, 662, the second dust gathering arresters 663 that the top axle pivot one of this chopper 66 is permeable type down are communicated with conduit 664 in addition; This lift plate 64 and chopper 66 interbody spacers one trimmer 65, this lift plate 64, trimmer 65, chopper 66 mats one locking plate 67 are fixed in one with screw 674, nut 673 screw locks; These chopper 66 tools one are long slot bore 662 longitudinally, the front end face of this trimmer 65 is provided with the projection 651,652 of two longitudinal separations and can be embedded in the long slot bore 662 of chopper 66,651,652 of two projections are then established rectangle perforation 653 and are worn pivot for screw 654, trimmer 65 back sides are provided with two laterally spaced projections 654 and can be embedded in the long slot bore 643 of lift plate 64, locking plate 67 respectively is provided with a breach 671,672 with respect to the relative position of trimmer 65 fronts two projections 651,652, and this chopper 66 is the position adjustment that can make above-below direction and left and right directions on lift plate 64; One side of lift plate 64 is the folder of the establishing several longitudinal separations sheets 644,645,646 of pulling, this is positioned at top and folder of below sheet 644,646 and the folder of centre sheet 645 of pulling of pulling and is positioned at varying level, make and form a gap therebetween, this gap can be inserted for guide rail 62, makes lift plate 64 can do the oscilaltion action on slide rail 62; The side of this dividing plate 60 is organized first dust gathering arrester 68 of establishing a tool long slot bore 681 separately and element frames such as chopper 66, lift plate 64, guide rail 62, spiral arm 63 is enclosed, the both sides of this first dust gathering arrester 68, bottom and 60 on dividing plate form closed, the bottom face of first dust gathering arrester 68 is established a hollow control of dust head 69 again, control of dust head 69 links with a flexible pipe 691 again, and the wood chip that cuts the plank generation can be evacuated to circular sawing machine 50 outsides.

See also shown in Fig. 8,12A, the 12B, the arc groove 542 of first swing seat, 54 bottoms of present embodiment circular sawing machine meshes with the screw thread 582 of the rotating shaft 581 that is subjected to 58 controls of hand runner, make hand runner 58 just change or when reversing, being to make first swing seat 54, second swing seat 55, Connection Block 56, axle pivot in the adjustment seat 72 on the Connection Block 56 and saw blade 104 and motor fixing base 70 and motor 71 and be mounted on the dividing plate 60 of 54,55 of two swing seats and all are mounted on element on the dividing plate 60, is the arc displacement of making fore-and-aft direction together; The arc groove 76 of this adjustment seat 72 bottoms is screw thread 572 engagements with the rotating shaft 571 that is subjected to 57 controls of hand runner, makes hand runner 57 just change or reverses, is can make adjusting 72 and turning on or turn down, and this saw blade 104 and motor 71 are to do upper and lower displacement simultaneously; And the axis hole 641 of lift plate 64 is the front ends that are mounted on knife bar 80, when saw blade 104 and motor 701 oscilaltions, promptly drive lift plate 64 liftings simultaneously, three folders of the in addition side of lift plate 64 pull sheet 644,645,646 because of and 62 on guide rail still have front and back of displacement and press from both sides the relation of pulling, this three folder sheet 644,645,646 of pulling is the arching trajectory displacement that can do on guide rail 62 up and down, and mat lift plate 64 in addition lug 642 and 60 on the dividing plate of side be stride establish one be spiral arm 6 that a pivot concerns be three of lift plate 64 is pressed from both sides pull this end of sheet can be not downward-sloping and can flush make lifting action; This is mounted on 663 of chopper 66 on the lift plate 64 and axle second dust gathering arrester of pivot on chopper 66 also simultaneously along with the motor lifting; By this, cut plank and produce the wood chip that is positioned at case body 51 outsides, be 104 permanent distances of pressing close to that keep of mat second dust gathering arrester 663 and saw blade, wood chip is limited in second dust gathering arrester 663, and rapidly nationality is siphoned away wood chip by conduit 664, prevent that air pollution and wood chip from shooting operator's effect wounded and reach, and the wood chip of case body 51 inside, then the mat dividing plate 60 and first dust gathering arrester 68 are limited in wood chip in both space and can disperse everywhere, and the control of dust head 69 of mat first dust gathering arrester 68 bottoms directly is drawn to case body 51 outsides via flexible pipe 691, and guarantee that the actuated element in the case body 51 can the lamination wood chip, enable transmission smoothly; And knife bar 80 front ends that mat drives saw blade 104 rotations are mounted on lift plate 64, be the Luo Guchu that strength that saw blade 104 is clashed into can not concentrate on Connection Block 56 and first swing seat 54, second swing seat 55, locate short time set admittedly with the spiral shell that prevents the Connection Block 56 and first swing seat 54, second swing seat 55 and be dispersed to lift plate 6;

Please consult shown in Fig. 9 A, 9B, 10A, 10B, 11A, the 11B, this chopper 66 is the saw blade 104 in response to different size again, and this chopper 66 is to adjust the position, upper and lower, left and right; When desire is adjusted upper-lower position, be earlier screw 674, nut 673 to be transferred pine, the long slot bore 662 of mat chopper 66 be adjusted sheet 65 two projections 651,652 restriction and can do upper and lower displacement along two projections 651,652 of trimmer 65, during to desired height, again with screw 674, nut 673 is locked gets final product; When desire is adjusted position, the left and right sides, be earlier screw 674, nut 673 to be transferred pine, horizontal two projections 654 at mat trimmer 65 back sides, be embedded in the long slot bore 643 of lift plate 64, make trimmer 65 can carry left and right displacement together such as chopper 66, locking plate 67, by this, make chopper 66 can do the adjustment of position, the left and right sides, make its scope of application more extensive in response to the saw blade 104 of different size.

See also the 12nd, 13A, shown in the 13B, it is the quick-disassembly structure embodiment of the utility model circular sawing machine saw blade 104, the perforation 641 adjacent sides of this lift plate 64 are to be provided with a barrier structure, barrier structure comprises the pedestal 92 of a tool through hole 921, one side of this pedestal 92 is provided with a screw 922 that connects with through hole 921, be to wear pivot one pin 94 in the through hole 921 of this pedestal 92, the end of pin 94 is to form bellend 941, pin 94 be axially arranged with a long recess 942, this long recess 942 can be screwed into and support in the long recess 942 by the screw 922 of a screw 95 from pedestal 92, with clip long recess 942 two ends, make pin 94 displacement between certain distance, the outer ring surface of this pin 94 is positioned at bellend 941 and 92 of pedestals are sheathed springs 93, and making pin 94 is that perseverance is pushed against outward, and this pin 94 is with respect to the wheel face 83 of knife bar 80; When desire is assembled or is disassembled saw blade 104, only must be inserted in the wherein short slot 831 of knife bar 80 wheel faces 83 outer ring surfaces to compress pin 94 on the other hand, can stop that knife bar 80 rotates, the user only must be with a wrench 90, nut 106 is screwed or unscrews, can be with saw blade 104 assembling fixing or disassemble, as user during not to pin 94 application of forces, pin 94 is the thrust of mat spring 93 and return back to original position, can not influence the normal rotation of knife bar 80.

Please consult Figure 14 to Figure 16 A again, shown in the 16B, it is the quick-disassembly structure embodiment of the utility model annular saw chopper 66, it is to be the folder trimmer 65 of pulling in elevating lever 64 and 66 of choppers, the front side of chopper 66 is to be provided with a spring 36 in regular turn, one locking plate 67, one cushion block 33, a pivot has the handgrip 30 of a bolt 32, this bolt 32 is worn pivot and is crossed cushion block 33, locking plate 37, chopper 66, spring 36, trimmer 65, behind the long slot bore 643 of lift plate 64, wear pivot again and cross one to sheet 34, giving screw lock with a nut 35 at last fixes, and with cushion block 33, spring 36, locking plate 67, chopper 66, trimmer 65, lift plate 64, support sheet 34 elements such as grade, be limited between handgrip 30 and the nut 35, wherein, should and can pass to tool number perforation 343 on the sheet 34 for number screw 344, two long slot bores 644 in addition that this is counted screw 344 and passes lift plate 64 simultaneously, 645 and the corresponding screw 656 of screw lock on trimmer 65, and will fix to sheet 34; This spring 36 is can pass the long slot bore 662 of chopper and ejection locking plate 67, spring 36 end in addition then is resisted against to sheet 34, the front end face of this trimmer 65 is provided with the projection 651 of two longitudinal separations, 652 and can be embedded in the long slot bore 662 of chopper 66, two projections 651, then establish rectangle perforation 653 for 652 and wear pivot for axle bolt 32, these trimmer 65 back sides are provided with two laterally spaced projections 654,655 and can be embedded in the long slot bore 643 of lift plate 64, locking plate 67 is with respect to trimmer 65 fronts two projections 651,652 relative position is respectively to be provided with a breach 671,672, should support two projections 654 of sheet 34 with respect to trimmer 65 back sides, 655 places, also respectively establish and breach 342, the axle pivot end of 34 these handgrips 30 forms an eccentric cam 31,32 pivots of axle bolt are on this eccentric cam 31, when pulling handgrip 30, make the protuberance of eccentric cam 31 go to axle bolt 32 when coaxial, this cam 31 is with cushion block 33, spring 36, locking plate 67, chopper 66, trimmer 65, lift plate 64, support sheet 34 packings such as element such as grade, this chopper 66 is to be fixed in lift plate 64 assemblings, and along with lifting, when the protuberance of eccentric cam 31 goes to not with axle bolt 32 when coaxial, cushion block 33, spring 36, locking plate 67, chopper 66, trimmer 65, lift plate 64, supporting sheet 34 elements such as grade is to become to get loose state, and the ejection of mat spring 36, be to push locking plate 67 to the outside, chopper 66 can conveniently be extracted out; The structural design that mat is above-mentioned is to make the assembling of chopper 66 and disassemble, and only must can assemble and disassemble chopper 66 fast by pulling handgrip 30.

Claims (10)

1, a kind of can be with the chopper structure of circular sawing machine saw blade lifting, the both sides, case body top of circular sawing machine respectively are provided with one first flap seat, one second flap seat, in addition two swing seats of circular sawing machine each with its chute be embedded in relative first flap seat, on the slide rail of second flap seat, between this two swing seat in conjunction with fixing a connecting seat, two axle bed countershaft pivots one of Connection Block are in order to the motor fixing base of fixing motor, and coaxial and while axle pivot is fixed the adjustment seat of a tool arc groove, this adjusts seat axle pivot one knife bar, the knife bar front group is established a saw blade, the sheathed belt pulley of fixing in addition on the knife bar, a sheathed belt between belt pulley and motor, it is characterized in that: group is established the dividing plate of a tool long slot bore between this two swing seat, one side of this dividing plate is provided with one and makes the guide rail of vertical arc displacement thereon for a side of a lift plate, the end in addition of this lift plate is mounted on knife bar, and can be with saw blade, the motor lifting, this lift plate and dividing plate countershaft pivot one make lifting levy the spiral arm of two ends lifting simultaneously, group is established a chopper on this lift plate, and the top axle pivot one of this chopper is second dust gathering arrester that permeable type is placed in one for saw blade down.

2, as claimed in claim 1 can it is characterized in that with the chopper structure of circular sawing machine saw blade lifting: this lift plate and chopper interbody spacer one trimmer, this lift plate, trimmer, chopper are fixed in one by a locking plate and screw, nut screw lock; One side of this lift plate is provided with an axis hole and sheathed being fixed on the knife bar, the in addition side of lift plate is established the number folders at interval sheet of pulling, the number folder is pulled formation gap between sheet and can be inserted for guide rail, makes lift plate can do the oscilaltion action on guide rail, and a horizontal long slot bore is established in the centre of lift plate; The front end face of this trimmer is provided with the projection of two longitudinal separations and can be embedded in the long slot bore of chopper, then establishes rectangle perforation between two projections and wears pivot for screw, and this trimmer back side is provided with two laterally spaced projections and can be embedded in the long slot bore of lift plate; This chopper is established one and is supplied the long slot bore of the two projections embedding of trimmer front end face, and locking plate respectively is provided with a breach with respect to the relative position of trimmer front two projections.

3, as claimed in claim 1 or 2 can be with the chopper structure of circular sawing machine saw blade lifting, it is characterized in that: the side of this dividing plate is organized first dust gathering arrester of establishing tool one long slot bore that the element frame that will be mounted on the dividing plate encloses separately, form closed between the both sides of this first dust gathering arrester, bottom and dividing plate, the bottom face of first dust gathering arrester is established a hollow control of dust head again, and the control of dust head is to link with a flexible pipe again.

4, as claimed in claim 1 or 2 can it is characterized in that with the chopper structure of circular sawing machine saw blade lifting: this second dust gathering arrester is to be communicated with a flexible pipe.

5, as claimed in claim 1 or 2 can be with the chopper structure of circular sawing machine saw blade lifting, it is characterized in that: but lift plate is provided with the pin of a shift reciprocately and is relative with knife bar, when pin becomes the clip state with knife bar, knife bar promptly can't rotate, when pin did not become the clip state with knife bar, knife bar was promptly rotatable.

6, as claimed in claim 5 can it is characterized in that with the chopper structure of circular sawing machine saw blade lifting: knife bar is provided with the wheel face of a tool one to the number short slot with respect to the pin place.

7, as claimed in claim 6 can be with the chopper structure of circular sawing machine saw blade lifting, it is characterized in that: this pin is worn pivot in a pedestal that is fixed on the lift plate, the side of this pedestal is provided with one and supplies this pin to wear the screw of pivot and through hole perforation, the end of pin forms bellend, pin be axially arranged with a recessed long recess, this long recess is to be screwed into and to support in the long recess by the screw of a screw from pedestal, with clip long recess two ends, make pin displacement between certain distance, the outer ring surface of this pin is positioned at sheathed one spring that the pin perseverance is pushed against outward between bellend and pedestal.

8, as claimed in claim 1 or 2 can be with the chopper structure of circular sawing machine saw blade lifting, it is characterized in that: between this chopper and lift plate, worn pivot with a bolt, axle stud shaft pivot is in the handgrip of a tool eccentric cam, the eccentric cam protuberance of this handgrip goes to the axle spokeless wheel coaxial, be can be with chopper and lift plate packing, the eccentric cam of handgrip goes out portion and goes to the axle spokeless wheel not coaxially, and chopper is to become to get loose state with lift plate.

9, as claimed in claim 8 can it is characterized in that with the chopper structure of circular sawing machine saw blade lifting: the sheathed spring of this axle spokeless wheel is between chopper and handgrip.

10, as claimed in claim 8 can be with the chopper structure of circular sawing machine saw blade lifting, it is characterized in that: this lift plate and chopper interbody spacer one trimmer, the front side of this chopper is provided with the handgrip that a locking plate, a pivot have a bolt in regular turn, after this bolt is worn pivot and is crossed locking plate, chopper, trimmer, lift plate, give screw lock with a nut at last and fix, but on this bolt a sheathed spring and ejection locking plate toward outer displacement.

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