CN105619525A - Sawing machine - Google Patents

Abstract

The invention provides a sawing machine and belongs to the field of wood-working machines. The technical problem that existing sawing machines are low in cutting efficiency is solved. The sawing machine comprises a machine frame, a sawing head and a workbench horizontally and fixedly connected with the machine frame. The workbench is provided with a long-strip-shaped channel. The sawing head is arranged on the lower portion of the workbench and can move in the length direction of the channel. The sawing head comprises an installation frame. Two sawing discs partially extending out of the channel are arranged on the installation frame. The two sawing discs are located on the same plane and a gap is arranged between the two sawing discs. Sawtooth directions of the two sawing discs are opposite in the circumferential direction. A driving structure capable of driving the two sawing discs to rotate is arranged on the installation frame. The driving structure drives one of the sawing discs to rotate when the sawing head moves along the channel, and the driving structure drives the other sawing disc to rotate reversely when the sawing head moves reversely along the channel. The sawing machine has the advantage of being capable of improving the cutting efficiency.

Description

A kind of sawing machine

Technical field

The invention belongs to woodworking machinery field, relate to a kind of sawing machine.

Background technology

Wood sawing machine is small-sized sawing machine, sawing machine common at present is that saw disc is fixed in a defined location on sawing machine, realizing cutting again through promoting plank to move to saw disc, owing to promoting plank to there will be position skew when moving, therefore the precision of this kind of sawing machine cutting is not high.

In order to improve the precision of cutting, people devise the sawing machine with removable saw head, the disclosed a kind of wood sawing machine [publication No. CN103358360A] of such as Chinese patent literature, by timber for sawing is positioned on the table, running saw head realizes cutting again, it is fixing owing to sawing the moving displacement of head, therefore can cut timber accurately. saw head in this patent includes a saw blade, the commonly used saw blade with the sawtooth being obliquely installed of current saw blade, sawtooth on this saw blade is facing one direction in a circumferential direction, the rotation direction of saw blade and sawtooth in a circumferential direction towards identical, when saw blade moves to the other end from initial position, saw blade can cut timber, but saw blade from the other end move back to initial position time now saw blade cannot cut timber, therefore each time cutting after all need saw blade move back to initial position just can carry out on once cut, owing to saw head cannot be carried out cutting in return process, therefore cause that the efficiency comparison of cutting is low.

Summary of the invention

It is an object of the invention to there are the problems referred to above for existing technology, it is proposed that a kind of sawing machine, present invention solves the technical problem that the efficiency being to improve cutting.

The purpose of the present invention can be realized by following technical proposal:

A kind of sawing machine, including frame, saw head and level are connected in the workbench in frame, described workbench has the passage of strip, described saw head be arranged on workbench lower section and saw head can move along channel-length direction, it is characterized in that, described saw head includes installing rack, described installing rack is provided with all parts and stretches out two saw discs of passage, two described saw discs are in the same plane and have gap between two saw discs, the sawtooth of two described saw discs is towards contrary in a circumferential direction, described installing rack is provided with the driving structure that two saw discs can be driven to rotate, described saw head drives structure to drive one of them saw disc to rotate when moving along passage, described saw head drives structure to drive another saw disc to reverse when reversely moving along passage.

The installing rack of saw head can slide along the workbench of sawing machine, two saw discs are arranged before and after installing rack glide direction, the saw disc being positioned at installing rack moving direction front end when cutting is responsible for cutting, when sawing head and moving back and forth, two saw discs can alternately cut, reset without waiting for saw head, improve the cutting efficiency of sawing machine; Simultaneously because saw disc another saw disc when cutting is in idle condition, the saw disc being in idle condition can obtain the time of cooling, upper once cut time the temperature of saw disc is reduced, and two saw discs are without continuous cutting, improve the service life of saw disc.

In above-mentioned sawing machine, the thickness of two described saw discs is identical. The joint-cutting size that the saw disc cutting of same thickness is formed is identical, therefore when previous saw disc cuts, later saw disc can smoothly pass over the joint-cutting that the cutting of previous saw disc is formed, so that saw head two saw discs when cutting back and forth can move back and forth smoothly and will not cutting be impacted.

In above-mentioned sawing machine, described driving structure includes the drive motor one and the drive motor two that are each attached on installing rack, and the motor shaft of drive motor one is connected with one of them saw disc, and the motor shaft of drive motor two is connected with another saw disc. Drive two saw discs to press different directions respectively by drive motor one and drive motor two to rotate, drive motor one and drive motor two are for alternately opening, it is specially drive motor one when driving the cutting of saw disc, drive motor two is closed, the motor energy natural cooling corresponding to the saw disc that do not cut can be made by this setting, improve the service life of drive motor one and drive motor two.

In above-mentioned sawing machine, described installing rack includes installing plate, described drive motor one and drive motor two are separately fixed at the side of installing plate, two described saw discs lay respectively at the opposite side of installing plate, and the motor shaft of drive motor one and the motor shaft of drive motor two connect through installing plate and corresponding saw disc are fixing. Saw disc can produce wood flour when cutting, wood flour can enter motor affects the normal use of motor, two saw discs are passed through installing plate and drive motor one and drive motor two compartment by this arrangement, it is thus possible to the wood flour produced when avoiding saw disc to cut is splashed to drive motor one and drive motor two place, thus ensure that the normal use of drive motor one and drive motor two.

In above-mentioned sawing machine, the lower end of described installing plate has guide flange, and the turnover of described guide flange has the side of saw disc to installing plate. The wood flour that saw disc produces when cutting is guided installing plate into by guide flange and is had the side of saw disc, it is to avoid the opposite side of wood flour entrance installing plate, thus ensure that the properly functioning of drive motor one and drive motor two.

In above-mentioned sawing machine, described installing plate is rotatably connected to some rollers one, some rollers one between saw disc and installing plate, the motor casing of described drive motor one and be all rotatably connected to roller two on the motor casing of drive motor two. Having two slide rails be arrangeding in parallel on the workbench of sawing machine, roller one and one of them slide rail are slidably connected, and roller two and another slide rail are slidably connected, it is achieved saw head slides along fixed-direction.

As another kind of situation, in above-mentioned sawing machine, structure is driven to include being fixed on drive motor and uni-drive gear box on installing rack, travelling gear and driven gear it is provided with in uni-drive gear box, the motor shaft of drive motor is connected through uni-drive gear box with one of them saw disc, travelling gear is fixed on the motor shaft of drive motor and is positioned on one section of uni-drive gear box, driven gear is connected in uni-drive gear box by axis of rotation, driven gear engages with travelling gear, and one end of rotating shaft passes uni-drive gear box and is connected with another saw disc. Drive two saw discs to rotate along different directions respectively by drive motor, it is achieved saw head along passage move time one of them saw disc rotate, saw head along passage reversely move time the reversion of another saw disc purpose.

In above-mentioned sawing machine, described workbench includes the working plate being fixed in frame and the blanking rack being arranged in frame, described blanking rack and working plate are respectively provided with straight flange edge, the straight flange edge of described blanking rack is relative with the straight flange of working plate edge and forms passage, and described saw head is arranged on the lower face of working plate. This structure makes the workpiece cut down be fully located in blanking rack, therefore after blanking rack swung downward can automatic blanking, improve efficiency.

In above-mentioned sawing machine, frame is positioned at directly over passage and is additionally provided with the binder seat that can vertically move, described binder seat is that the length direction of strip and binder seat is identical with the length direction of passage, when binder seat moves down and is pressed on workpiece, the upper edge of above-mentioned saw disc is along stretching in binder seat. When cutting, workpiece can stable be positioned on working plate by binder seat, therefore can guarantee that the workpiece size precision cut down is high; In cutting process, the top of saw disc is fully located at inside binder seat, the remainder of saw disc is then positioned at the lower section of working plate, make the saw disc will not be exposed above working plate, safety is higher, and the wood flour etc. that cutting is formed all is covered by binder seat, thus preventing wood flour etc. from splashing, the safety improved further, ensure the cleaning of working environment simultaneously.

In above-mentioned sawing machine, described binder seat offers vacuum chamber along its length, this vacuum chamber and an air exhausting device are connected, the downside of described binder seat offers dust suction breach along its length that be connected with vacuum chamber, when binder seat moves down and is pressed on workpiece, the upper edge of above-mentioned saw disc is along traverse dust suction breach and stretches in vacuum chamber. Air exhausting device can be aerator, it is also possible to for air pump; When cutting, the workpiece being positioned at saw disc front does not cut, namely it is integrated, the workpiece at saw disc rear cuts, namely separates, owing to the top of saw disc extend in the vacuum chamber of binder seat, namely binder seat can be pressed on the workpiece of saw disc both sides simultaneously, therefore remain able to be positioned by binder seat after workpiece is cut, it is to avoid the phenomenons such as vibration, displacement, raising machining accuracy occurs in the workpiece portion being cut; Further, the cutting process of saw disc can produce substantial amounts of chip, these chips upwards can be got at a high speed under the effect of saw disc, also due to the top of saw disc extend in vacuum chamber, vacuum chamber is bled by air exhausting device work simultaneously, namely the air-flow to one end flowing can be produced in vacuum chamber, workpiece can be carried out air-breathing by further dust suction breach, namely the chip that cutting produces can be sucked timely in vacuum chamber and takes away, avoid chip to get and cause potential safety hazard, safety is higher, and whole working environment also cleans more.

Compared with prior art, the saw head in this sawing machine all can realize cutting in the process moved back and forth, and has the advantage that improve cutting efficiency.

Accompanying drawing explanation

Fig. 1 is the perspective view of sawing machine.

Fig. 2 is the plan structure schematic diagram of sawing machine.

Fig. 3 is the sectional structure schematic diagram of sawing machine.

Fig. 4 be in sawing machine saw head face structural representation.

Fig. 5 is the side-looking structural representation sawing head in sawing machine.

Fig. 6 is the plan structure schematic diagram sawing head in sawing machine.

Fig. 7 is the structural representation in A portion in Fig. 3.

Fig. 8 is the sectional structure schematic diagram of binder seat.

Fig. 9 is the structural representation in B portion in Fig. 3.

Figure 10 is the structural representation in C portion in Fig. 3.

Figure 11 is the structural representation in D portion in Fig. 3.

Figure 12 is the sectional structure schematic diagram of A-A in Fig. 2.

Figure 13 is the structural representation in E portion in Figure 12.

Figure 14 is the sectional structure schematic diagram of support.

Figure 15 is the structural representation in F portion in Figure 14.

Figure 16 is the side-looking structural representation of rotating disk.

Figure 17 be rotating disk face structural representation.

Figure 18 is the connection diagram of controller and optical sensor and Stroke Control motor.

In figure, 1, frame; 1a, workbench; 11, working plate; 12, blanking rack; 121, long side rod; 122, short strut; 123, blanking cylinder; 124, connecting rod; 125, adjusting bolt; 126, articulated column; 13, passage; 14, seat is connected; 141, guiding breach; 15, axle is rotated; 151, fixing seat; 16, slide rail; 2, binder seat; 21, vacuum chamber; 22, dust suction breach; 23, binder surface; 24, air pump; 25, sweep-up pipe; 26, cover plate is connected; 27, lift cylinder; 3, saw head; 31, installing rack; 311, installing plate; 312, roller one; 313, guide flange; 32, saw disc; 33, drive motor one; 34, drive motor two; 35, roller two; 4, support; 41, guide rail; 42, chute; 43, slide bar portion; 44, fixing bar; 5, pin; 51, slide block; 6, controller; 61, screw mandrel; 62, Stroke Control motor; 63, Timing Belt; 7, rotating disk; 71, locating slot; 72, cushion block; 73, reflective surface; 74, optical sensor.

Detailed description of the invention

The following is specific embodiments of the invention and in conjunction with accompanying drawing, technical scheme is further described, but the present invention is not limited to these embodiments.

Embodiment one

Such as Fig. 1, Fig. 2, shown in Fig. 3 and Figure 12, sawing machine includes frame 1, level is connected in the workbench 1a in frame 1 and saw 3, workbench 1a includes the working plate 11 being fixed in frame 1 and the blanking rack 12 being arranged in frame 1, when blanking rack 12 is swung up to maximum angle position, the upper side of blanking rack 12 flushes with the upper face of working plate 11, blanking rack 12 and working plate 11 are respectively provided with straight flange edge, the straight flange edge of blanking rack 12 and the straight flange of working plate 11 are along relative and form the passage 13 of strip, saw 3 is arranged on the lower face of working plate 11 and saw 3 can slide along passage 13 length direction.

As shown in Figures 4 to 6, this saw 3 include installing rack 31 and two in the same plane and there is the saw disc 32 in gap, installing rack 31 includes installing plate 311 and the guide flange 313 of the lower end being positioned at installing plate 311, two saw discs 32 are positioned at the side of installing plate 311, guide flange 313 turns down the side to installing plate 311 with saw disc 32, the thickness of two saw discs 32 is identical, the upper edge of two saw discs 32 is along traverse passage 13 and is positioned at above working plate 11, the sawtooth of two saw discs 32 is towards contrary in a circumferential direction, the opposite side of installing plate 311 is provided with the driving structure that two saw discs 32 can be driven to rotate. in the present embodiment one, structure is driven to include drive motor 1 and the drive motor 2 34 being each attached on installing plate 311, the motor shaft of drive motor 1 is connected through installing plate 311 with one of them saw disc 32, the motor shaft of drive motor 2 34 is connected through installing plate 311 with another saw disc 32, drive two saw discs 32 to press different directions respectively by drive motor 1 and drive motor 2 34 to rotate, drive motor 1 and drive motor 2 34 are for alternately opening, being specially drive motor 1 drives a saw disc 32 when cutting, drive motor 2 34 is closed, when drive motor 2 34 drives a saw disc 32 to cut, drive motor 1 is closed.

As shown in Fig. 4 to Fig. 6 and Figure 10, installing plate 311 is rotatably connected to some rollers 1, some rollers 1 are between saw disc 32 and installing plate 311, the motor casing of drive motor 1 and the motor casing of drive motor 2 34 are all rotatably connected to roller 2 35, the lower face of working plate 11 has two slide rails 16 parallel with passage 13, roller 1 and one of them slide rail 16 are slidably connected, roller 2 35 and another slide rail 16 are slidably connected, it is achieved saw 3 slidably reciprocates along the length direction of passage 13. On installing plate 311, also fixing can drive saws 3 sliding motor slidably reciprocated along the length direction of passage 13, the present embodiment one is fixed with on the lower face of working plate 11 tooth bar parallel with slide rail 16, the motor shaft of sliding motor is fixed with gear, wheel and rack engages, and sliding motor driven gear rotates the movement realizing saw 3.

As shown in Figure 7, Figure 8 and Figure 9, frame 1 is positioned at directly over passage 13 and is additionally provided with the binder seat 2 that can vertically move, the length direction that binder seat 2 is strip and binder seat 2 is identical with the length direction of passage 13, binder seat 2 offers vacuum chamber 21 along its length, the two ends of vacuum chamber 21 extend through the two ends end face of binder seat 2, being fixed with of binder seat 2 wherein one end connects cover plate 26, connecting and be connected to, on cover plate 26, the sweep-up pipe 25 being connected with vacuum chamber 21, sweep-up pipe 25 is connected with an air pump 24; The downside of binder seat 2 offers dust suction breach 22 along its length that be connected with vacuum chamber 21, dust suction breach 22 is relative with passage 13, the width of dust suction breach 22 is less than the width of passage 13, the medial wall of the medial wall of dust suction breach 22 and vacuum chamber 21 seamlessly transits, the width of vacuum chamber 21 is gradually reduced to the width of dust suction breach 22, namely increases the area that compresses to workpiece, and the width of dust suction breach 22 is less simultaneously, therefore the air-flow produced is bigger, it is to avoid chip remains on workpiece; The downside of binder seat 2 is binder surface 23, it is relative with working plate 11 that this binder surface 23 is positioned at dust suction breach 22 side part, it is relative with blanking rack 12 that binder surface 23 is positioned at dust suction breach 22 opposite side part, when binder seat 2 moves down and is pressed on workpiece, the upper edge of saw disc 32 is along traverse dust suction breach 22 and stretches in vacuum chamber 21.

As shown in Figure 9, frame 1 has the connection seat 14 of two working plates 11 protruding upward, this two connections seat 14 all vertically has guiding breach 141, connect and seat 14 is also fixed with lift cylinder 27, the piston rod of this lift cylinder 27 is vertically down and stretch in guiding breach 141, the two ends of binder seat 2 lay respectively in two guiding breach 141, and the two ends of binder seat 2 are fixedly connected with the piston rod of two lift cylinders 27 respectively; The two opposite outer wall of binder seat 2 reclines mutually with relative two medial walls of guiding breach 141 respectively, and binder seat 2 is played guide and limit effect by the medial wall of guiding breach 141 so that the lifting of binder seat 2 is stable.

As shown in Fig. 1, Fig. 3 and Figure 11, the rectangular frame-shaped of blanking rack 12, including two long side rod 121 and some short struts 122, some short struts 122 are connected between two long side rods 121, and short strut 122 is perpendicular with long side rod 121, wherein the two ends of a root length side rod 121 are hinged in frame 1 by joint pin. frame 1 is provided with driving the actuator of blanking rack 12 reciprocally swinging, in the present embodiment one, actuator includes two blanking cylinders 123, the cylinder ends of two blanking cylinders 123 is all hinged in frame 1, and two blanking cylinder 123 along passage 13 length direction arrange, the piston rod of blanking cylinder 123 is inclined upwardly, and the end of piston rod is hinged with blanking rack 12, actuator also includes connecting rod 124 and adjusting bolt 125, short strut 122 sidewall has articulated column 126, the piston rod end of blanking cylinder 123 and the end, one end of connecting rod 124 all offer screw, the two ends of connecting bolt are respectively provided with external screw thread, and adjusting bolt 125 one end is screwed onto in the screw of blanking cylinder 123 piston rod, the other end is screwed onto in the screw of connecting rod 124, the other end of connecting rod 124 offers hinge hole, and be located on articulated column 126 by hinge hole turning set. being rotatably connected to rotation axle 15 in frame 1, the length direction of this rotation axle 15 is identical with the length direction of passage 13, rotates and is fixed with two fixing seats 151 on axle 15, and the cylinder ends of above-mentioned blanking cylinder 123 is connected on fixing seat 151. blanking rack 12 is swung by two blanking cylinder 123 Synchronization Control, and stroke is more stable, can provide bigger support force for blanking rack 12 when blanking rack 12 level simultaneously, when the formation of blanking cylinder 123 is fixing, the distance between blanking cylinder 123 piston rod and blanking rack 12 can be regulated by rotating adjusting bolt 125, namely when the piston rod of blanking cylinder 123 is fully extended, the levelness of blanking rack 12 can be regulated by adjusting bolt 125, and then workpiece is pressed on by binder seat 2 can be fitted in completely in blanking rack 12, improve the stability of workpiece.

As shown in Figure 1, Figure 2 with shown in Figure 14, frame 1 is positioned at blanking rack 12 side and is further fixed on support 4, support 4 is provided with the pin 5 parallel with the length direction of passage 13, pin 5 is fixed with at least two pressure transducer on the side of working plate 11, and at least two pressure transducer is equidistantly distributed along the length direction of pin 5. Sheet material end face and pin 5 completely against time, can with all pressure transducers against and trigger pressure transducer, pressure transducer is connected with controller 6, according to the signal that pressure transducer sends, controller 6 can judge whether sheet material puts in place, thus judging whether to sawmilling, when ensureing sawmilling each time, sheet material position all puts in place, so that the board dimension obtained is accurate.

As shown in Figure 12 to Figure 18, be provided with between pin 5 and support 4 can control spacing between pin 5 and working plate 11 send plate travel control device, plate travel control device is sent to include controller 6, it is rotatably connected on two rhizoid bars 61 on support 4 and the Stroke Control motor 62 that can simultaneously drive two rhizoid bars 61 to rotate, gear ratio between motor shaft and the screw mandrel 61 of Stroke Control motor 62 is 1, threaded with two rhizoid bars 61 respectively in the two ends of pin 5, the motor shaft two ends of Stroke Control motor 62 all pass the housing of Stroke Control motor 62, motor shaft one end of Stroke Control motor 62 is connected with two rhizoid bars 61, the motor shaft other end of Stroke Control motor 62 is fixed with rotating disk 7, the card of rotating disk 7 is intervally distributed with at least two reflective surface 73 in the circumferential, between adjacent reflective surface 73, the radian at interval is identical, support 4 is fixed with rotating disk 7 just to optical sensor 74, controller 6 is connected with optical sensor 74 and Stroke Control motor 62 respectively, reflective surface 73 and optical sensor 74 probe just pair time optical sensor 74 be triggered and send triggering signal to controller 6, controller 6 is provided with the displacement threshold value that pin 5 moves, controller 6 calculates optical sensor 74 triggering times threshold value according to displacement threshold value, controller 6 judges that when the number of times that optical sensor 74 triggers is equal to triggering times threshold value, output control signal control Stroke Control motor 62 cuts out.

As shown in Figure 16 and Figure 17, the card of rotating disk 7 has at least two locating slot 71, locating slot 71 is in the circumferentially-spaced distribution of rotating disk 7, the cushion block 72 with energy scattered beam it is fixed with in locating slot 71, cushion block 72 can be rubber or sponge, rotating disk 7 posts reflective membrane in the card between locating slot 71, reflective surface 73 is positioned on reflective membrane. When rotating disk 7 rotates, cushion block 72 aligns with the probe of optical sensor 74, optical sensor 74 is not triggered, rotating disk 7 be rotated further reflective surface 73 align the probe of optical sensor 74 time optical sensor 74 be triggered, therefore optical sensor 74 can trigger at interval, so that controller 6 can add up optical sensor 74 sends the number of times triggering signal, it is achieved be accurately controlled Stroke Control motor 62 and rotate the number of turns.

In the present embodiment one, the displacement threshold value that pin 5 moves is S, and the pitch of screw mandrel 61 is L, and the number of reflective surface 73 is N, and triggering times threshold value is C, and wherein displacement threshold value with the relation of triggering times threshold value isAs preferably, the pitch of screw mandrel 61 is 1.5mm, reflective surface 73 on its turntable 7 has six, when namely triggering times threshold value is 1, screw mandrel 61 rotates 1/6th circles, pin 5 namely being made to move 0.25mm, arranged by this and the sheet material precision of cutting can be made to reach 0.25mm, precision is higher.

As shown in Figure 14 and Figure 15, the motor shaft of Stroke Control motor 62 is fixed two active synchronization bands 63 take turns, two screw mandrels 61 are respectively and fixedly provided with driven Timing Belt 63 take turns, driven Timing Belt 63 on two screw mandrels 61 is taken turns and is taken turns one_to_one corresponding setting with two active synchronization bands 63, active synchronization is taken turns identical with the diameter that driven Timing Belt 63 is taken turns with 63, and Timing Belt 63 is taken turns and is connected by Timing Belt 63 between taking turns with driven Timing Belt 63. By said structure, Stroke Control motor 62 can be rotated by the dynamic two rhizoid bars 61 of Timing Belt 63, the rotational angle making two rhizoid bars 61 is identical, thus ensureing that the moving displacement at the two ends of pin 5 is identical so that pin 5 can move to setting position, it is thus possible to improve sawmilling to obtain the precision of sheet material.

As shown in Figure 12 and Figure 13, support 4 includes two parallel guide rails 41 and the fixing bar 44 being fixed between two guide rail 41 one end, in fixing bar 44, there is installation cavity, Stroke Control motor 62 and optical sensor 74 are each attached in fixing bar 44, and screw mandrel 61 is fixed with one end that driven Timing Belt 63 takes turns and is positioned at installation cavity; The other end of two guide rails 41 is all fixed with working plate 11, pin 5 is between two guide rails 41, two guide rails 41 have chute 42, screw mandrel 61 is positioned at chute 42, the two ends of pin 5 are fixed with slide block 51, slide block 51 is positioned at chute 42, and screw mandrel 61 is through slide block 51 and threadeds with slide block 51. Being positioned at chute 42 on guide rail 41 and also have slide bar portion 43, slide bar portion 43 arranges along the length direction of guide rail 41, and slide block 51 has the spacing breach of circular arc, the spacing breach of slide bar portion 43 traverse. Slide bar portion 43 coordinates, with slide block 51, the moving displacement that can limit slide block 51 further so that slide block 51 slides along the length direction of screw mandrel 61 all the time, thus ensure that the accurate of pin 5 position so that the board dimension obtained is accurate.

Workpiece is plank etc., is laid on working plate 11 upper side, first passes through Stroke Control motor 62 before cutting and regulate the spacing of the relative working plate 11 of pin 5, and this spacing is the width of the workpiece cut down; Pin 5 location after workpiece is placed on working plate 11 and with pin 5 against, now the upper side of blanking rack 12 flushes with the upper face of working plate 11, blanking rack 12 also function to support workpiece effect; Until workpiece and pin 5 against after binder seat 2 moved down with workpiece against thus by Work-sheet pressing on working plate 11 and blanking rack 12, starting saw 3 makes saw 3 move to passage 13 other end from initial position along passage 13, the saw disc 32 being positioned at a saw 3 moving direction front end cuts, completing cutting for for sawing 3 when moving to passage 13 other end, saw 3 rests on passage 13 other end; Cut and rear binder seat 2 has moved, simultaneously blanking rack 12 swung downward, the workpiece being cut by action of gravity completes blanking along this blanking rack 12 blanking rack 12 of sliding out; Complete blanking pusher start building part make workpiece again with pin 5 against and make binder seat 2 move down with workpiece against, restart saw 3, now saw 3 moves to initial position from passage 13 other end along passage 13, the saw disc 32 being positioned at a saw 3 moving direction front end completes this time cutting, and after returning to initial position, saw 3 stops mobile and stops; As follows reciprocal aforesaid operations realizes sawing machine cutting workpiece, and workpiece can be accurately positioned by pin 5, when cutting by binder seat 2 can be stable be positioned on working plate 11, therefore can guarantee that the workpiece size precision cut down is high; In cutting process, the top of saw disc 32 is fully located at inside binder seat 2, the remainder of saw disc 32 is then positioned at the lower section of working plate 11, make the saw disc 32 will not be exposed above working plate 11, safety is higher, and the wood flour etc. that cutting is formed all is covered by binder seat 2, thus preventing wood flour and travel fatigue etc. from splashing, the safety improved further, ensure the cleaning of working environment simultaneously; The workpiece cut down is fully located in blanking rack 12, therefore after blanking rack 12 swung downward can automatic blanking, improve efficiency; Saw 3 has two saw discs 32, all can realize cutting when moving back and forth, and therefore cutting efficiency is high.

Embodiment two

The present embodiment is essentially identical with structure and the principle of embodiment one, different place is in that: drive structure to include being fixed on drive motor and uni-drive gear box on installing rack, travelling gear and driven gear it is provided with in uni-drive gear box, the motor shaft of drive motor is connected through uni-drive gear box with one of them saw disc, travelling gear is fixed on the motor shaft of drive motor and is positioned on one section of uni-drive gear box, driven gear is connected in uni-drive gear box by axis of rotation, driven gear engages with travelling gear, one end of rotating shaft passes uni-drive gear box and is connected with another saw disc.

Embodiment three

The present embodiment is essentially identical with structure and the principle of embodiment one, and different place is in that: sending plate travel control device to include Stroke Control cylinder, the cylinder body of Stroke Control cylinder is fixed on support, and the piston rod end of Stroke Control cylinder and pin are fixed. The position of the relative working plate of pin is controlled by controlling the stroke of the piston rod of Stroke Control cylinder.

Specific embodiment described herein is only to present invention spirit explanation for example. Described specific embodiment can be made various amendment or supplements or adopt similar mode to substitute by those skilled in the art, but without departing from the spirit of the present invention or surmount the scope that appended claims is defined.

Claims (10)

1. a sawing machine, including frame (1), saw head (3) and level are connected in the workbench (1a) in frame (1), described workbench (1a) has the passage (13) of strip, described saw head (3) be arranged on workbench (1a) lower section and saw head (3) can move along passage (13) length direction, it is characterized in that, described saw head (3) includes installing rack (31), described installing rack (31) is provided with all parts and stretches out two saw discs (32) of passage (13), two described saw discs (32) are in the same plane and have gap between two saw discs (32), the sawtooth of two described saw discs (32) is towards contrary in a circumferential direction, described installing rack (31) is provided with the driving structure that two saw discs (32) can be driven to rotate, described saw head (3) drives structure to drive one of them saw disc (32) to rotate when moving along passage (13), described saw head (3) drives structure to drive another saw disc (32) to reverse when reversely moving along passage (13).

2. sawing machine according to claim 1, it is characterised in that the thickness of two described saw discs (32) is identical.

3. sawing machine according to claim 1 and 2, it is characterized in that, described driving structure includes the drive motor one (33) and the drive motor two (34) that are each attached on installing rack (31), the motor shaft of drive motor one (33) is connected with one of them saw disc (32), and the motor shaft of drive motor two (34) is connected with another saw disc (32).

4. sawing machine according to claim 3, it is characterized in that, described installing rack (31) includes installing plate (311), described drive motor one (33) and drive motor two (34) are separately fixed at the side of installing plate (311), two described saw discs (32) lay respectively at the opposite side of installing plate (311), and the motor shaft of drive motor one (33) and the motor shaft of drive motor two (34) connect through installing plate (311) and corresponding saw disc (32) are fixing.

5. sawing machine according to claim 4, it is characterized in that, the lower end of described installing plate (311) has guide flange (313), and the turnover of described guide flange (313) has the side of saw disc (32) to installing plate (311).

6. sawing machine according to claim 4, it is characterized in that, described installing plate (311) is rotatably connected to some rollers one (312), some rollers one (312) are positioned between saw disc (32) and installing plate (311), the motor casing of described drive motor one (33) and be all rotatably connected to roller two (35) on the motor casing of drive motor two (34).

7. sawing machine according to claim 1, it is characterized in that, structure is driven to include being fixed on the drive motor on installing rack (31) and uni-drive gear box, travelling gear and driven gear it is provided with in uni-drive gear box, the motor shaft of drive motor is connected through uni-drive gear box with one of them saw disc (32), travelling gear is fixed on the motor shaft of drive motor and is positioned on one section of uni-drive gear box, driven gear wheel is connected in uni-drive gear box by axis of rotation, driven gear engages with travelling gear, one end of rotating shaft passes uni-drive gear box and is connected with another saw disc (32).

8. sawing machine according to claim 1, it is characterized in that, described workbench (1a) includes the working plate (11) being fixed in frame (1) and the blanking rack (12) being arranged in frame (1), described blanking rack (12) and working plate (11) are respectively provided with straight flange edge, the straight flange edge of described blanking rack (12) is relative with the straight flange of working plate (11) edge and forms passage (13), and described saw head is arranged on the lower face of working plate (11).

9. sawing machine according to claim 1, it is characterized in that, frame (1) is positioned at directly over passage (13) and is additionally provided with the binder seat (2) that can vertically move, described binder seat (2) in strip and the length direction of binder seat (2) identical with the length direction of passage (13), when binder seat (2) moves down and is pressed on workpiece, the upper edge of above-mentioned saw disc (32) is along stretching in binder seat (2).

10. sawing machine according to claim 9, it is characterized in that, described binder seat (2) offers vacuum chamber (21) along its length, this vacuum chamber (21) is connected with an air exhausting device, the downside of described binder seat (2) offers dust suction breach (22) along its length that be connected with vacuum chamber (21), when binder seat (2) moves down and is pressed on workpiece, the upper edge of above-mentioned saw disc (32) is along traverse dust suction breach (22) and stretches in vacuum chamber (21).