CN105666591A - Material-pressing mechanism for sawing machine - Google Patents

Abstract

The invention provides a material-pressing mechanism for a sawing machine and belongs to the technical field of woodworking machinery. The problem that an existing material-pressing mechanism for a sawing machine is poor in machining precision is solved. According to the material-pressing mechanism for the sawing machine, the sawing machine comprises a rack; a workbench plate is fixedly connected to the rack; the rack is further in swinging connection with a blanking frame; a receding clearance is formed between the blanking frame and the workbench plate; the material-pressing mechanism comprises a material-pressing base which is movably arranged on the rack; a dust collection cavity is formed in the material-pressing base and connected with an air pump; a dust collection notch communicating with the dust collection cavity is formed in the lower side surface of the material-pressing base; when the material-pressing base moves downwards and abuts against a workpiece, the upper edges of saw plates penetrate through the dust collection notch and stretch into the dust collection cavity. By means of the material-pressing mechanism for the sawing machine, the machining precision of the sawing machine can be made to be higher, scraps can be timely cleaned up, and the safety is higher.

Description

A kind of feeding pressure mechanism of sawing machine

Technical field

The invention belongs to woodworking machinery technical field, relate to the feeding pressure mechanism of 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.

As Chinese utility model patent application (application number: 201220191861.9) discloses the wood sawing machine of a kind of self-feeding, comprise workbench, dish saw, described dish saw is arranged on the table, it is characterised in that: described workbench is provided with automatic feeding; Described automatic feeding, comprises rotating disk, and described rotating disk is driven by motor and rotates; The direction of rotation of described rotating disk is identical with feedstock direction; it is arranged over protection device at saw disc; this protection device is possible to prevent wood flour splashing that workman is damaged, but the setting of this protection device makes workpiece be difficult to location when cutting, causes that machining accuracy is poor.

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 the feeding pressure mechanism of a kind of sawing machine, the feeding pressure mechanism of this sawing machine can make the machining accuracy of sawing machine higher, and can be cleared up by chip timely, and safety is higher.

The purpose of the present invention can be realized by following technical proposal: the feeding pressure mechanism of a kind of sawing machine, sawing machine includes frame, in described frame, level is fixed with working plate, described frame also swings and is connected to blanking rack, described blanking rack and working plate are respectively provided with straight flange edge, it is characterized in that, the straight flange edge of described blanking rack dodges gap with the straight flange of working plate along relative and formation, the edge, downside of described working plate is dodged gap length direction and is slidably connected installing plate, this installing plate is rotatably connected to saw disc, the upper edge of this saw disc is along through dodging gap, described feeding pressure mechanism includes the binder seat of strip, this binder seat is vertically mobile to be arranged in frame, and the length direction of binder seat is identical with the length direction dodging gap, described binder seat offers vacuum chamber along its length, this vacuum chamber and an air pump 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.

Workpiece is plank etc., it is laid on working plate upper side, frame is additionally provided with pin, need to regulate the distance between pin and saw disc according to size, being pushed into by workpiece acts against on pin, binder seat declines and is pressed on workpiece, then saw disc high speed rotating, meanwhile installing plate moves along dodging gap, realize the surface trimming to workpiece, and in saw disc advance process, the workpiece in saw disc front does not cut, namely it is integrated, the workpiece at saw disc rear cuts, namely separate, 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, avoid the workpiece portion being cut and vibration occurs, the phenomenons such as displacement, improve machining accuracy, 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 pump 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, whole working environment also cleans more, certainly after binder seat and workpiece compress, the top of saw disc is then 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.

In the feeding pressure mechanism of above-mentioned sawing machine, described dust suction breach is with to dodge gap relative, the downside of described binder seat is binder surface, and it is relative with working plate that this binder surface is positioned at dust suction breach side part, and it is relative with blanking rack that binder surface is positioned at dust suction breach opposite side part. The chip that saw disc cutting produces upwards can be got from dodging gap, the dust suction breach relative with the dodging breach suction better effects if to chip, and binder surface is divided into two parts by dust suction breach, these two parts lay respectively at the both sides of saw disc, respectively workpiece main body and the workpiece that cuts down can be compressed location, and then improve machining accuracy.

In the feeding pressure mechanism of above-mentioned sawing machine, the width of described dust suction breach is less than the width dodging gap, and the described medial wall of dust suction breach and the medial wall of vacuum chamber seamlessly transit. The width of vacuum chamber is gradually reduced to the width of dust suction breach, namely increases the area that compresses to workpiece, and the width of dust suction breach is less simultaneously, and the air-flow therefore produced is bigger, it is to avoid chip remains on workpiece.

In the feeding pressure mechanism of above-mentioned sawing machine, described frame has the connection seat of two working plates protruding upward, this two connections seat all vertically has guiding breach, described connection seat is also fixed with lift cylinder, the piston rod of this lift cylinder is vertically down and stretch in guiding breach, the two ends of described binder seat lay respectively in two guiding breach, and the two ends of binder seat are fixedly connected with the piston rod of two lift cylinders respectively. Connecting seat and frame integrative-structure, lift cylinder is fixed on inside connection seat, makes compact conformation, and two lift cylinders synchronize binder seat is lifted so that the lifting of binder seat is more stable.

In the feeding pressure mechanism of above-mentioned sawing machine, the two opposite outer wall of described binder seat reclines mutually with relative two medial walls of guiding breach respectively. Binder seat is played guide and limit effect by the medial wall of guiding breach so that the lifting of binder seat is stable.

In the feeding pressure mechanism of above-mentioned sawing machine, described feeding pressure mechanism also includes sweep-up pipe, the two ends of described vacuum chamber extend through the two ends end face of binder seat, one end of described sweep-up pipe is connected with air pump, the other end is fixed with connection cover plate, described connection cover plate is connected in the end, one end of binder seat, and sweep-up pipe is connected with vacuum chamber. Sweep-up pipe is fixedly connected with binder seat by connecting cover plate, and one end of vacuum chamber is connected with sweep-up pipe, and the other end is through so that the gas flowing in vacuum chamber is more smooth and easy.

In the feeding pressure mechanism of above-mentioned sawing machine, the rectangular frame-shaped of described blanking rack, including two long side rods, wherein the two ends of a root length side rod are hinged in frame, being provided with driving the actuator of blanking rack reciprocally swinging in described frame, when blanking rack is swung up to maximum angle position, the upper side of blanking rack flushes with the upper side of working plate. In the cutting process of saw disc, blanking rack keeps level, together with working plate, workpiece is supported location, after saw disc has cut, the workpiece portion being cut is positioned in blanking rack, makes blanking rack swung downward by actuator, and namely blanking rack tilts, the workpiece portion being cut can slide along blanking rack, without manual blanking, more convenient to operate, working (machining) efficiency is higher.

In the feeding pressure mechanism of above-mentioned sawing machine, described actuator includes two blanking cylinders, described in two, the cylinder ends of blanking cylinder is all hinged in frame, and two blanking cylinder along dodge gap length direction arrangement, the piston rod of described blanking cylinder is inclined upwardly, and the end of piston rod is hinged with blanking rack.Blanking rack is swung by two blanking cylinder Synchronization Control, and stroke is more stable, can provide bigger support force for blanking rack when blanking rack level simultaneously; Certain actuator can also adopt motor, and be namely connected in blanking rack driven gear, and the driving gear that is connected on the output shaft of motor, driving gear is meshed with driven gear, is realized the reciprocally swinging of blanking rack by gear drive.

In the feeding pressure mechanism of above-mentioned sawing machine, the downside of described working plate is fixed with two slide rails, the length direction of this two slide rail is identical with the length direction dodging gap, described installing plate side is fixed with drive motor, described saw disc is positioned at installing plate opposite side, and the output shaft of drive motor is fixedly connected with saw disc, described installing plate and drive motor being all hinged with roller, described roller rolls and is connected on slide rail. All being hinged with two rollers on the casing end of drive motor and installing plate, make drive motor and saw disc move stable, the movement of drive motor is then driven by driver parts such as stay cords.

Compared with prior art, the feeding pressure mechanism of this sawing machine has the advantage that

1, 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, avoid the workpiece portion being cut and the phenomenons such as vibration, displacement occur, improve machining accuracy.

2, owing to the top of saw disc extend in vacuum chamber, vacuum chamber is bled by air pump 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, avoiding chip to get and cause potential safety hazard, safety is higher, and whole working environment also cleans more.

3, owing to the width of vacuum chamber is gradually reduced to the width of dust suction breach, namely increasing the area that compresses to workpiece, the width of dust suction breach is less simultaneously, and the air-flow therefore produced is bigger, it is to avoid chip remains on workpiece.

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; 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, gap is dodged; 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; 313, guide flange; 32, saw disc; 33, drive motor; 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.

Such as Fig. 1, Fig. 2, shown in Fig. 3 and Figure 12, sawing machine includes frame 1, working plate 11 and saw 3, working plate 11 level is connected in frame 1, frame 1 also swings and is connected to blanking rack 12, 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 dodges gap 13 with the straight flange of working plate 11 along relative and formation, saw 3 is arranged on the lower face of working plate 11 and saw 3 can slide along dodging gap 13 length direction.

As shown in Figures 4 to 6, 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 through dodging gap 13 and being 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 two drive motors 33 being each attached on installing plate 311, the motor shaft of this two drive motor 33 is each passed through installing plate 311 and is connected with two saw discs 32, drive two saw discs 32 to press different directions respectively by these two drive motors 33 to rotate, these two drive motors 33 are alternately opened, being specially one of them drive motor 33 when driving the cutting of saw disc, another drive motor 33 is closed.

As shown in Fig. 4 to Fig. 6 and Figure 10, the downside of working plate 11 is fixed with two slide rails 16, the length direction of this two slide rail 16 is identical with the length direction dodging gap 13, the casing end of drive motor 33 and installing plate 311 are all hinged with two rollers 312, roller 312 is connected on slide rail 16, drive motor 33 and saw disc 32 is made to move stable, also fixing on installing plate 311 to drive saw 3 along dodging the sliding motor that the length direction in gap 13 slidably reciprocates, 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, sliding motor driven gear rotates the movement realizing saw 3.

Such as Fig. 7, shown in Fig. 8 and Fig. 9, press material structure includes binder seat 2, this binder seat 2 is arranged in frame 1 and is positioned at dodges directly over gap 13, binder seat 2 can vertically move, the length direction that binder seat 2 is strip and binder seat 2 is identical with the length direction dodging gap 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, connect and cover plate 26 is connected to 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 dodging gap 13, the width of dust suction breach 22 is less than the width dodging gap 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 increase and workpiece compressed area, 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 dodging the arrangement of gap 13 length direction, 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 dodging gap 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 dodging gap 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, and blanking rack 12 also functions to the effect of support works; 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 from initial position along dodging gap 13 to dodging gap 13 other end, the saw disc 32 being positioned at a saw 3 moving direction front end cuts, moving to for for sawing 3 and complete cutting when dodging gap 13 other end, saw 3 rests on dodges gap 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 work against, restart saw 3, now saw 3 moves to initial position along dodging gap 13 from dodging gap 13 other end, 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 blocked by binder seat 2, thus preventing wood flour etc. from splashing, the safety improved further, ensure the cleaning of working environment simultaneously; The work 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.

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.

Although more employing the terms such as frame 1, working plate 11, blanking rack 12 herein, but it is not precluded from using the probability of other term. These terms are used to be only used to describe and explain more easily the essence of the present invention; It is all contrary with spirit of the present invention for being construed as any additional restriction.

Claims (9)

1. the feeding pressure mechanism of a sawing machine, sawing machine includes frame (1), the upper level of described frame (1) is fixed with working plate (11), described frame (1) also swings and is connected to blanking rack (12), described blanking rack (12) and working plate (11) are respectively provided with straight flange edge, it is characterized in that, the straight flange edge of described blanking rack (12) dodges gap (13) with the straight flange of working plate (11) along relative and formation, the edge, downside of described working plate (11) is dodged gap (13) length direction and is slidably connected installing plate (311), this installing plate (311) is rotatably connected to saw disc (32), the upper edge of this saw disc (32) is along through dodging gap (13), described feeding pressure mechanism includes the binder seat (2) of strip, this binder seat (2) is vertically mobile to be arranged in frame (1), and the length direction of binder seat (2) is identical with the length direction dodging gap (13), described binder seat (2) offers vacuum chamber (21) along its length, this vacuum chamber (21) is connected with an air pump (24), 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).

2. the feeding pressure mechanism of sawing machine according to claim 1, it is characterized in that, described dust suction breach (22) is relative with dodging gap (13), the downside of described 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, and it is relative with blanking rack (12) that binder surface (23) is positioned at dust suction breach (22) opposite side part.

3. the feeding pressure mechanism of sawing machine according to claim 2, it is characterized in that, the width of described dust suction breach (22) is less than the width dodging gap (13), and the medial wall of described dust suction breach (22) and the medial wall of vacuum chamber (21) seamlessly transit.

4. the feeding pressure mechanism of the sawing machine according to Claims 2 or 3, it is characterized in that, described frame (1) has the connection seat (14) of two working plates protruding upward (11), this two connection seat (14) all vertically has guiding breach (141), described connection 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 described 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.

5. the feeding pressure mechanism of sawing machine according to claim 4, it is characterised in that the two opposite outer wall of described binder seat (2) reclines mutually with relative two medial walls of guiding breach (141) respectively.

6. the feeding pressure mechanism of the sawing machine according to Claims 2 or 3, it is characterized in that, described feeding pressure mechanism also includes sweep-up pipe (25), the two ends of described vacuum chamber (21) extend through the two ends end face of binder seat (2), one end of described sweep-up pipe (25) is connected with air pump (24), the other end is fixed with connection cover plate (26), described connection cover plate (26) is connected in the end, one end of binder seat (2), and sweep-up pipe (25) is connected with vacuum chamber (21).

7. the feeding pressure mechanism of the sawing machine according to Claims 2 or 3, it is characterized in that, described blanking rack (12) rectangular frame-shaped, including two long side rods (121), wherein the two ends of a root length side rod (121) are hinged in frame (1), being provided with driving the actuator of blanking rack (12) reciprocally swinging in described frame (1), when blanking rack (12) is swung up to maximum angle position, the upper side of blanking rack (12) flushes with the upper side of working plate (11).

8. the feeding pressure mechanism of sawing machine according to claim 7, it is characterized in that, described actuator includes two blanking cylinders (123), the cylinder ends of blanking cylinder (123) described in two is all hinged in frame (1), and two blanking cylinder (123) along dodge gap (13) length direction arrangement, the piston rod of described blanking cylinder (123) is inclined upwardly, and the end of piston rod is hinged with blanking rack (12).

9. the feeding pressure mechanism of the sawing machine according to Claims 2 or 3, it is characterized in that, the downside of described working plate (11) is fixed with two slide rails (16), the length direction of this two slide rail (16) is identical with the length direction dodging gap (13), described installing plate (311) side is fixed with drive motor (33), described saw disc (32) is positioned at installing plate (311) opposite side, and the output shaft of drive motor (33) is fixedly connected with saw disc (32), described installing plate (311) and drive motor (33) are all hinged with roller (312), described roller (312) rolls and is connected on slide rail (16).