CN105666591B - A kind of feeding pressure mechanism of sawing machine - Google Patents

Abstract

The present invention provides a kind of feeding pressure mechanisms of sawing machine, belong to woodworking machinery technical field.The feeding pressure mechanism that it solves the problems, such as existing sawing machine causes machining accuracy poor.The feeding pressure mechanism of this sawing machine, sawing machine includes rack, working plate is fixed in rack, rack also swings and is connected with blanking rack, blanking rack and working plate, which are formed, avoids gap, feeding pressure mechanism includes binder seat, binder seat movement is arranged in rack, binder seat offers vacuum chamber, the vacuum chamber is connected with an air pump, the dust suction notch being connected with vacuum chamber is offered on the downside of binder seat, when binder seat moves down and is pressed on workpiece, the upper edge edge of saw disc through dust suction notch and is stretched into vacuum chamber.The feeding pressure mechanism of this sawing machine can make the machining accuracy higher of sawing machine, and can timely clear up chip, security higher.

Description

A kind of feeding pressure mechanism of sawing machine

Technical field

The invention belongs to woodworking machinery technical fields, are related to a kind of feeding pressure mechanism of sawing machine.

Background technology

Wood sawing machine is small-sized sawing machine, and sawing machine common at present is the definite position that saw disc is fixed on sawing machine On, then by the way that plank movement is promoted to realize cutting to saw disc, due to being present with position offset when promoting plank movement, this kind The precision of sawing machine cutting is not high.

Such as Chinese utility model patent application (application number：201220191861.9) disclose a kind of carpenter of self-feeding Sawing machine is sawed comprising workbench, disk, and the disk saw is set on the table, it is characterised in that：It is provided on the workbench automatic Feed device；The automatic feeding, comprising turntable, the turntable is driven by motor to be rotated；The direction of rotation of the turntable It is identical with feedstock direction, protective device is equipped with above saw disc, which can prevent sawdust splashing from causing to hinder to worker Evil, but the setting of the protective device causes workpiece to be difficult to position in cutting, causes machining accuracy poor.

The content of the invention

The purpose of the present invention is being directed to existing technology, there are the above problems, it is proposed that a kind of feeding pressure mechanism of sawing machine, it should The feeding pressure mechanism of sawing machine can make the machining accuracy higher of sawing machine, and can timely clear up chip, security higher.

The purpose of the present invention can be realized by following technical proposal：A kind of feeding pressure mechanism of sawing machine, sawing machine include rack, Level is fixed with working plate in the rack, and the rack, which is also swung, is connected with blanking rack, the blanking rack and working plate It is respectively provided with straight flange edge, which is characterized in that the straight flange of the straight flange edge of the blanking rack and working plate is along opposite and formed between avoidance Gap, the downside of the working plate slidably connect installing plate along gap length direction is avoided, are rotatably connected on the installing plate Saw disc, along through gap is avoided, the feeding pressure mechanism includes the binder seat of strip for the upper edge of the saw disc, and the binder seat is along erecting Nogata is arranged on to movement in rack, and the length direction of binder seat is identical with the length direction for avoiding gap, the binder seat Vacuum chamber is offered along its length, which is connected with an air pump, on the downside of the binder seat along its length Offer the dust suction notch being connected with vacuum chamber, when binder seat moves down and is pressed on workpiece, above-mentioned saw disc it is upper Portion edge is through dust suction notch and stretches into vacuum chamber.

Workpiece is plank etc., is laid on working plate upper side, bar is additionally provided in rack, need to adjust according to size Workpiece is pushed into act against on bar by the distance between bar and saw disc, and binder seat declines and is pressed on workpiece, then saw disc It rotates at a high speed, at the same time installing plate is moved along gap is avoided, and realizes the surface trimming to workpiece, and in saw disc advance process In, the workpiece in front of saw disc is not cut, that is, is integrated, and the workpiece at saw disc rear has been cut, that is, is separated, since the top of saw disc is stretched Enter into the vacuum chamber of binder seat, i.e., binder seat can be simultaneously pressed on the workpiece of saw disc both sides, therefore is cut in workpiece It remains able to be positioned by binder seat after getting off, avoids the workpiece portion being cut and phenomena such as vibration, displacement occur, carry High manufacturing accuracy further, can generate substantial amounts of chip in the cutting process of saw disc, these chips can be in the effect of saw disc Lower to get at a high speed upwards, also due to the top of saw disc is extend into vacuum chamber, while air pump work is evacuated vacuum chamber, The air-flow flowed to one end can be generated in vacuum chamber, further dust suction notch can carry out air-breathing to workpiece, can will cut The chip for cutting generation is timely sucked in vacuum chamber and taken away, and chip is avoided to get and causes security risk, security higher is whole A working environment also more cleans, and certainly after binder seat and workpiece compress, the top of saw disc is then fully located inside binder seat, The rest part of saw disc is then located at the lower section of working plate so that saw disc will not be exposed in the top of working plate, and security is more It is high.

In the feeding pressure mechanism of above-mentioned sawing machine, the dust suction notch is opposite with avoiding gap, the downside of the binder seat Face is binder surface, which is located at that dust suction notch one side part is opposite with working plate, and it is another that binder surface is located at dust suction notch Side part is opposite with blanking rack.The chip that saw disc cutting generates can upwards be got from gap is avoided, the suction opposite with avoiding notch Dirt notch is more preferable to the inhalant effect of chip, and binder surface is divided into two parts by dust suction notch, which is located at saw disc respectively Both sides, to workpiece main body and the workpiece cut down can compress positioning respectively, and then improve machining accuracy.

In the feeding pressure mechanism of above-mentioned sawing machine, the width of the dust suction notch is less than the width for avoiding gap, the suction The madial wall of dirt notch and the madial wall of vacuum chamber seamlessly transit.The width of the width of vacuum chamber to dust suction notch is gradually reduced, Increase the area that compresses to workpiece, while the width of dust suction notch is smaller, therefore the air-flow generated is larger, avoids chip in work It is remained on part.

In the feeding pressure mechanism of above-mentioned sawing machine, the rack has the connecting seat of two working plates protruding upward, this two Connecting seat has vertically is oriented to notch, is also fixed with lifting cylinder on the connecting seat, the piston rod of the lifting cylinder is vertical It downward and stretches into guiding notch, the both ends of the binder seat are located at two and are oriented in notches respectively, and the both ends difference of binder seat It is fixedly connected with the piston rod of two lifting cylinders.Connecting seat and rack integral structure, lifting cylinder are fixed on inside connecting seat, make knot Structure is compact, and two lifting cylinders synchronously lift binder seat so that the lifting of binder seat is more stablized.

In the feeding pressure mechanism of above-mentioned sawing machine, the two opposite outer wall of the binder seat is respectively with being oriented to the opposite of notch Two madial walls mutually recline.The madial wall for being oriented to notch plays the role of guide and limit to binder seat so that the lifting of binder seat is stablized.

In the feeding pressure mechanism of above-mentioned sawing machine, the feeding pressure mechanism further includes sweep-up pipe, the both ends point of the vacuum chamber Not Guan Chuan binder seat both ends end face, one end of the sweep-up pipe is connected with air pump, and the other end is fixed with connecting cover plate, the company Connects cover plate is connected in one end end of binder seat, and sweep-up pipe is connected with vacuum chamber.Sweep-up pipe passes through connecting cover plate and binder Seat is fixedly connected with, and one end of vacuum chamber is connected with sweep-up pipe, other end perforation so that the gas flowing in vacuum chamber is more smooth.

In the feeding pressure mechanism of above-mentioned sawing machine, the blanking rack rectangular frame-shaped, including two long side rods, wherein a root long The both ends of side rod are hinged in rack, and the rack is equipped with the actuator that can drive blanking rack reciprocally swinging, works as blanking rack It is swung up to the upper side of blanking rack during maximum angle position flushing with the upper side of working plate.In the cutting process of saw disc Middle blanking rack keeps horizontal, is supported positioning to workpiece together with working plate, after the completion for the treatment of saw disc cutting, is cut Workpiece portion be located in blanking rack, by actuator blanking rack to lower swing, i.e., blanking rack tilts, and is cut Workpiece portion can be slided along blanking rack, without manual blanking, operate more convenient, processing efficiency higher.

In the feeding pressure mechanism of above-mentioned sawing machine, the actuator includes two blanking cylinders, the cylinder of the two blanking cylinders Body end portion is hinged in rack, and two blanking cylinders are arranged along gap length direction is avoided, the piston rod of the blanking cylinder It is inclined upwardly, and the end of piston rod is hinged with blanking rack.Blanking rack is swung by two blanking cylinder Synchronization Controls, stroke More stablize, while larger support force can be provided in blanking rack level for blanking rack；Certain actuator can also use Be connected driven gear on motor, i.e. blanking rack, and the driving gear that is connected on the output shaft of motor, driving gear and driven gear phase The reciprocally swinging of blanking rack is realized in engagement by gear drive.

In the feeding pressure mechanism of above-mentioned sawing machine, two slides are fixed on the downside of the working plate, two slide Length direction with avoid gap length direction it is identical, the installing plate one side is fixed with driving motor, and the saw disc is located at Installing plate opposite side, and the output shaft of driving motor is fixedly connected with saw disc, and rolling is hinged on the installing plate and driving motor Wheel, the idler wheel rolling are connected on slide.It is hinged there are two idler wheel on the casing end of driving motor and installing plate, make drive Dynamic motor and saw disc movement are stablized, and the movement of driving motor is then driven by driving parts such as drawstrings.

Compared with prior art, the feeding pressure mechanism of this sawing machine has the following advantages：

1st, it is extend into due to the top of saw disc in the vacuum chamber of binder seat, i.e., binder seat can be pressed on saw disc both sides simultaneously Workpiece on, therefore remain able to be positioned by binder seat after workpiece is cut, avoid the workpiece being cut There is phenomena such as vibration, displacement in part, improves machining accuracy.

2nd, since the top of saw disc is extend into vacuum chamber, while air pump work is evacuated vacuum chamber, i.e. vacuum chamber Interior to generate the air-flow flowed to one end, further dust suction notch can carry out air-breathing to workpiece, can will cut what is generated Chip is timely sucked in vacuum chamber and taken away, and chip is avoided to get and causes security risk, security higher, entire building ring Also more clean in border.

3rd, since the width of width to the dust suction notch of vacuum chamber is gradually reduced, that is, the area that compresses to workpiece is increased, together When dust suction notch width it is smaller, therefore generate air-flow it is larger, chip is avoided to be remained on workpiece.

Description of the drawings

Fig. 1 is the dimensional structure diagram of sawing machine.

Fig. 2 is the overlooking the structure diagram of sawing machine.

Fig. 3 is the schematic cross-sectional view of sawing machine.

Fig. 4 is the positive structure diagram that head is sawed in sawing machine.

Fig. 5 is the side structure schematic view that head is sawed in sawing machine.

Fig. 6 is the overlooking the structure diagram that head is sawed in sawing machine.

Fig. 7 is the structure diagram in A portions in Fig. 3.

Fig. 8 is the schematic cross-sectional view of binder seat.

Fig. 9 is the structure diagram in B portions in Fig. 3.

Figure 10 is the structure diagram in C portions in Fig. 3.

Figure 11 is the structure diagram in D portions in Fig. 3.

Figure 12 is the schematic cross-sectional view of A-A in Fig. 2.

Figure 13 is the structure diagram in E portions in Figure 12.

Figure 14 is the schematic cross-sectional view of stent.

Figure 15 is the structure diagram in F portions in Figure 14.

Figure 16 is the side structure schematic view of turntable.

Figure 17 is the positive structure diagram of turntable.

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

In figure, 1, rack；11st, working plate；12nd, blanking rack；121st, long side rod；122nd, short strut；123rd, blanking cylinder； 124th, connecting rod；125th, adjusting bolt；126th, hinge column；13rd, gap is avoided；14th, connecting seat；141st, it is oriented to notch；15th, rotate Axis；151st, fixed seat；16th, slide；2nd, binder seat；21st, vacuum chamber；22nd, dust suction notch；23rd, binder surface；24th, air pump；25th, inhale Dirt pipe；26th, connecting cover plate；27th, lifting cylinder；3rd, head is sawed；31st, mounting bracket；311st, installing plate；312nd, idler wheel；313rd, guide turns over Side；32nd, saw disc；33rd, driving motor；4th, stent；41st, guide rail；42nd, sliding slot；43rd, slide bar portion；44th, fixed link；5th, bar；51、 Sliding block；6th, controller；61st, screw；62nd, Stroke Control motor；63rd, synchronous belt；7th, turntable；71st, locating slot；72nd, cushion block；73、 Reflective surface；74th, optical sensor.

Specific embodiment

It is specific embodiments of the present invention and with reference to attached drawing below, technical scheme is further described, But the present invention is not limited to these embodiments.

As shown in Figure 1, Figure 2, shown in Fig. 3 and Figure 12, sawing machine includes rack 1, working plate 11 and saw first 3,11 water of working plate It is flat to be connected in rack 1, it is also swung in rack 1 and is connected with blanking rack 12, when blanking rack 12 is swung up to maximum angle position When blanking rack 12 upper side flushed with the upper face of working plate 11, blanking rack 12 and working plate 11 are respectively provided with straight flange edge, For the straight flange of the straight flange edge of blanking rack 12 and working plate 11 along opposite and formed and avoid gap 13, saw first 3 is arranged on working plate On 11 lower face and saw first 3 can be slided along 13 length direction of gap is avoided.

As shown in Figures 4 to 6, saw first 3 includes mounting bracket 31 and two saw discs in the same plane and with gap 32, mounting bracket 31 includes installing plate 311 and the guide flange 313 positioned at the lower end of installing plate 311, and two saw discs 32 are located at installation The one side of plate 311, guide flange 313 turn down the one side for having saw disc 32 to installing plate 311, and the thickness of two saw discs 32 is identical, Through avoiding gap 13 and being located at 11 top of working plate, the sawtooth direction of two saw discs 32 exists on the upper edge edge of two saw discs 32 On the contrary, the opposite side of installing plate 311 is equipped with the driving structure that two saw discs 32 can be driven to rotate on circumferencial direction.The present embodiment one In, driving structure includes two driving motors 33 being each attached on installing plate 311, the motor shaft difference of two driving motor 33 It is connected through installing plate 311 with two saw discs 32, two saw discs 32 is driven respectively by not Tongfang by two driving motors 33 To rotation, which alternately opens, when being specially that one of driving motor 33 drives a saw disc cutting, separately One driving motor 33 is closed.

As shown in Fig. 4 to Fig. 6 and Figure 10, two slides 16 are fixed on the downside of working plate 11, two slide 16 Length direction with avoid gap 13 length direction it is identical, it is hinged on the casing end of driving motor 33 and installing plate 311 There are two idler wheel 312, idler wheel 312 is connected on slide 16, driving motor 33 and saw disc 32 is made to move and stablize, on installing plate 311 Also fixed can drive saws first 3 sliding motors to slidably reciprocate along the length direction for avoiding gap 13, workbench in the present embodiment one The rack parallel with slide 16 is fixed on the lower face of plate 11, gear, gear and tooth are fixed on the motor shaft of sliding motor Item engages, and sliding motor rotates the movement for realizing saw first 3 with moving gear.

As shown in Figure 7, Figure 8 and Figure 9, press material structure includes binder seat 2, which is arranged in rack 1 and is located at and keep away It allows directly over gap 13, binder seat 2 can be moved vertically, and binder seat 2 is in the length direction of strip and binder seat 2 with keeping away The length direction for allowing gap 13 is identical, and binder seat 2 offers vacuum chamber 21 along its length, and the both ends of vacuum chamber 21 extend through The both ends end face of binder seat 2, the wherein one end of binder seat 2 are fixed with connecting cover plate 26, are connected in connecting cover plate 26 and dust suction The sweep-up pipe 25 that chamber 21 is connected, sweep-up pipe 25 are connected with an air pump 24；It is opened up along its length on the downside of binder seat 2 There is the dust suction notch 22 being connected with vacuum chamber 21, dust suction notch 22 is opposite with avoiding gap 13, and the width of dust suction notch 22 is small In the width for avoiding gap 13, the madial wall of the madial wall and vacuum chamber 21 of dust suction notch 22 seamlessly transits, the width of vacuum chamber 21 The width for spending dust suction notch 22 is gradually reduced, that is, increases the area that compresses to workpiece, while the width of dust suction notch 22 is smaller, Therefore the air-flow generated is larger, and chip is avoided to be remained on workpiece；The downside of binder seat 2 be binder surface 23, the binder surface 23 Opposite positioned at 22 one side part of dust suction notch and working plate 11, binder surface 23 is located at 22 opposite side part of dust suction notch and blanking Frame 12 is opposite, and when binder seat 2 moves down and is pressed on workpiece, the upper edge edge of saw disc 32 through dust suction notch 22 and is stretched Enter in vacuum chamber 21.

As shown in figure 9, rack 1 has the connecting seat 14 of two working plates 11 protruding upward, two connecting seat 14 is vertical With notch 141 is oriented to, lifting cylinder 27 is also fixed on connecting seat 14, and the piston rod of the lifting cylinder 27 downwards and is stretched Enter to be oriented in notch 141, the both ends of binder seat 2 are located at two and are oriented in notches 141 respectively, and the both ends of binder seat 2 are respectively with two The piston rod of lifting cylinder 27 is fixedly connected with；The two opposite outer wall of binder seat 2 is respectively with guiding notch 141 with respect to two madial walls It mutually reclines, the madial wall for being oriented to notch 141 plays the role of guide and limit to binder seat 2 so that the lifting of binder seat 2 is stablized.

As shown in Fig. 1, Fig. 3 and Figure 11,12 rectangular frame-shaped of blanking rack, including two long side rods 121 and several short struts 122, several short struts 122 are connected between two long side rods 121, and short strut 122 and long side rod 121 are perpendicular, wherein one The both ends of long side rod 121 are hinged on by connecting pole in rack 1.Rack 1, which is equipped with, can drive 12 reciprocally swinging of blanking rack Actuator, in the present embodiment one, actuator includes two blanking cylinders 123, and the cylinder ends of two blanking cylinders 123 are hinged on machine On frame 1, and two blanking cylinders 123 are arranged along 13 length direction of gap is avoided, and the piston rod of blanking cylinder 123 is inclined upwardly, and The end of piston rod is hinged with blanking rack 12, and actuator further includes connecting rod 124 and adjusting bolt 125, on 122 side wall of short strut With hinge column 126, the piston rod end of blanking cylinder 123 and one end end of connecting rod 124 offer screw hole, connect bolt Both ends be respectively provided with external screw thread, and 125 one end of adjusting bolt is screwed onto in the screw hole of 123 piston rod of blanking cylinder, other end spiral shell It is connected in the screw hole of connecting rod 124, the other end of connecting rod 124 offers hinge hole, and is set in hinge column by hinge hole rotation On 126.Rotation axis 15 is rotatably connected in rack 1, the length direction of the rotation axis 15 and the length direction phase for avoiding gap 13 Together, two fixed seats 151 are fixed in rotation axis 15, the cylinder ends of above-mentioned blanking cylinder 123 are connected in fixed seat 151.Under Rack 12 is swung by two 123 Synchronization Controls of blanking cylinder, and stroke is more stablized, while can be when blanking rack 12 is horizontal Blanking rack 12 provides larger support force；Formation in blanking cylinder 123 is fixed, by rotating adjusting bolt 125 The distance between 123 piston rod of blanking cylinder and blanking rack 12 can be adjusted, i.e., when the piston rod of blanking cylinder 123 is fully extended When, the levelness of blanking rack 12 can be adjusted by adjusting bolt 125, so that be pressed on by binder seat 2 can be complete for workpiece It is fitted in entirely in blanking rack 12, improves the stability of workpiece.

As shown in Figure 1, Figure 2 with shown in Figure 14, stent 4 is further fixed on positioned at 12 one side of blanking rack in rack 1, stent 4 is equipped with The parallel bar 5 of length direction with avoiding gap 13, bar 5 is towards being fixed at least two pressures on the side of working plate 11 Force snesor, length direction equidistantly distributed of at least two pressure sensors along bar 5.In the end face of plate and bar 5 Completely against when, can with all pressure sensors against and trigger pressure sensor, pressure sensor is connected with controller 6, control Whether in place device 6 processed can judge plate according to the signal that pressure sensor is sent, and so as to judge whether to sawmilling, ensure each During secondary sawmilling plate position in place so that obtained board dimension is accurate.

Spacing between bar 5 and working plate 11 can be controlled by being equipped with as shown in Figure 12 to Figure 18, between bar 5 and stent 4 Send plate travel control device；Plate travel control device is sent to include controller 6, two screws 61 being rotatably connected on stent 4 With the Stroke Control motor 62 that two screws 61 can be driven to rotate simultaneously, between the motor shaft of Stroke Control motor 62 and screw 61 Gearratio for 1, the both ends of bar 5 are threadedly coupled respectively with two screws 61, and the motor shaft both ends of Stroke Control motor 62 are equal The housing of Stroke Control motor 62 is pierced by, motor shaft one end of Stroke Control motor 62 is connected with two screws 61, Stroke Control The motor shaft other end of motor 62 is fixed with turntable 7, and at least two reflective surfaces are intervally distributed in the circumferential in the disk of turntable 7 73, the radian being spaced between adjacent reflective surface 73 is identical, and the optical sensor 74 with 7 face of turntable, controller are fixed on stent 4 6 are connected respectively with optical sensor 74 and Stroke Control motor 62, are passed in the probe face time of reflective surface 73 and optical sensor 74 Sensor 74 is triggered and sends trigger signal to controller 6, and controller 6 is equipped with the displacement threshold value that bar 5 moves, controller 6 74 triggering times threshold value of optical sensor is calculated according to displacement threshold value, controller 6 judges that the number that optical sensor 74 triggers is equal to Control signal control Stroke Control motor 62 is exported during triggering times threshold value to close.

As shown in Figure 16 and Figure 17, at least two locating slots 71 are provided in the disk of turntable 7, locating slot 71 is in turntable 7 Circumferentially-spaced distribution, be fixed in locating slot 71 with can scattering light cushion block 72, cushion block 72 can be rubber or sea Silk floss, turntable 7 post reflective membrane in the disk between locating slot 71, reflective surface 73 is located on reflective membrane.Turntable 7 pads when rotating Optical sensor 74 is not triggered when block 72 aligns with the probe of optical sensor 74, and turntable 7 is rotated further the alignment light of reflective surface 73 and passes Optical sensor 74 is triggered during the probe of sensor 74, therefore optical sensor 74 can be spaced triggering, so that controller 6 can count Optical sensor 74 sends the number of trigger signal, and realization is accurately controlled 62 turnning circle of Stroke Control motor.

In the present embodiment one, the displacement threshold value that bar 5 moves is S, and the screw pitch of screw 61 is L, and the number of reflective surface 73 is N, triggering times threshold value are C, and the relation of wherein displacement threshold value and triggering times threshold value isPreferably, screw 61 Screw pitch is 1.5mm, and there are six the tools of reflective surface 73 on turntable 7, that is, when triggering times threshold value is 1, screw 61 rotates / 6th circles, that is, bar 5 can be caused to move 0.25mm, the plate precision that can be cut by the setting reaches 0.25mm, precision are higher.

As shown in Figure 14 and Figure 15, two active synchronization belt wheels, two silks are fixed on the motor shaft of Stroke Control motor 62 It is respectively and fixedly provided with driven synchronous pulley on bar 61, the driven synchronous pulley and two active synchronization belt wheels one on two screws 61 are a pair of It should set, active synchronization belt wheel is identical with the diameter of driven synchronous pulley, leads between active synchronization belt wheel and driven synchronous pulley Synchronous belt 63 is crossed to connect.It is rotated by 62 energy two screws 61 of synchronous drive of said structure Stroke Control motor so that two The rotational angle of root screw 61 is identical, so as to ensure that the moving displacement at the both ends of bar 5 is identical so that bar 5 can be moved to and set Positioning is put, and the precision of plate is obtained so as to improve sawmilling.

As shown in Figure 12 and Figure 13, stent 4 includes two parallel guide rails 41 and is fixed between two 41 one end of guide rail Fixed link 44, there is in fixed link 44 installation cavity, Stroke Control motor 62 and optical sensor 74 are each attached in fixed link 44, One end that screw 61 is fixed with driven synchronous pulley is located at installation cavity；The other end of two guide rails 41 is solid with working plate 11 Fixed, bar 5 is located between two guide rails 41, and two guide rails 41 have sliding slot 42, and screw 61 is located in sliding slot 42, and the two of bar 5 End is fixed with sliding block 51, and sliding block 51 is located in sliding slot 42, and screw 61 is threadedly coupled through sliding block 51 and with sliding block 51.On guide rail 41 Also there is slide bar portion 43 in sliding slot 42, slide bar portion 43 is arranged along the length direction of guide rail 41, is provided on sliding block 51 arc-shaped Spacing breach, slide bar portion 43 pass through spacing breach.The cooperation of slide bar portion 43 and sliding block 51 can further limit the shifting of sliding block 51 Dynamic displacement so that sliding block 51 slides always along the length direction of screw 61, so as to ensure that the accurate of 5 position of bar so that The board dimension arrived is accurate.

Workpiece is plank etc., is laid on 11 upper side of working plate, first passes through Stroke Control motor 62 before cutting and adjust Spacing of the bar 5 with respect to working plate 11 is saved, which is the width of the workpiece cut down；Bar 5 puts workpiece after positioning Put on working plate 11 and with bar 5 against, the upper side of blanking rack 12 is flushed with the upper face of working plate 11 at this time, under Rack 12 also functions to the effect of support work；Binder seat 2 is moved down with workpiece against so as to by work after after workpiece and bar 5 Part is pressed on working plate 11 and blanking rack 12, starts saw first 3 so that saw first 3 avoids gap 13 to avoidance from initial position edge Gap 13 other end movement, is cut positioned at the saw disc 32 for sawing first 3 moving direction front end, and for sawing first 3 are moved to avoidance gap Cutting is completed during 13 other end, saw first 3, which rests on, avoids 13 other end of gap；Binder seat 2 moves up after the completion of cutting, while blanking Frame 12 slides out blanking rack 12 along this blanking rack 12 by the workpiece that gravity is cut and completes blanking to lower swing； Complete blanking pusher start building part so that workpiece again with bar 5 against and binder seat 2 is moved down with working against restarting First 3 are sawed, first 3 is sawed at this time and is moved from 13 other end of gap is avoided along avoidance gap 13 to initial position, positioned at first 3 moving direction of saw The saw disc 32 of front end is completed this time to cut, and first 3 are sawed after initial position is returned to and stops mobile and stops；As follows reciprocal aforesaid operations Realize sawing machine cutting workpiece, workpiece can be accurately positioned by bar 5, be located at work by what binder seat 2 can be stablized in cutting On platen 11, therefore it can guarantee that the workpiece size precision cut down is high；The top of saw disc 32 is fully located in cutting process Inside binder seat 2, the rest part of saw disc 32 is then located at the lower section of working plate 11 so that saw disc 32 will not be in working plate 11 Top it is exposed, security higher, and cut the sawdust etc. formed and blocked by binder seat 2, so as to prevent the splashings such as sawdust, into The security that one step improves, while ensure the cleaning of working environment；The work cut down is fully located in blanking rack 12, therefore Blanking rack 12 after lower swing can automatic blanking, improve efficiency；First 3 tool of saw, can be when moving back and forth there are two saw disc 32 It can realize cutting, therefore cutting efficiency is high.

Specific embodiment described herein is only to spirit explanation for example of the invention.Technology belonging to the present invention is led The technical staff in domain can do various modifications or additions to described specific embodiment or replace in a similar way Generation, but without departing from spirit of the invention or beyond the scope of the appended claims.

Although the terms such as rack 1, working plate 11, blanking rack 12 are used more herein, it is not precluded from using it The possibility of its term.The use of these items is only for more easily describe and explain the essence of the present invention；They are solved Any one of the additional limitations is interpreted into all to disagree with spirit of the present invention.

Claims (9)

1. a kind of feeding pressure mechanism of sawing machine, sawing machine includes rack (1), and level is fixed with working plate (11) on the rack (1), The rack (1) also swings and is connected with blanking rack (12), and the blanking rack (12) and working plate (11) are respectively provided with straight flange edge, Be characterized in that, the straight flange of the straight flange edge of the blanking rack (12) and working plate (11) along opposite and formed and avoid gap (13), The downside of the working plate (11) slidably connects installing plate (311), the installing plate along gap (13) length direction is avoided (311) saw disc (32) is rotatably connected on, the upper edge edge of the saw disc (32), which passes through, avoids gap (13), the feeding pressure mechanism bag The binder seat (2) of strip is included, vertically movement is arranged in rack (1) the binder seat (2), and the length of binder seat (2) It is identical with the length direction for avoiding gap (13) to spend direction, and the binder seat (2) offers vacuum chamber (21) along its length, should Vacuum chamber (21) is connected with an air pump (24), is offered along its length on the downside of the binder seat (2) and vacuum chamber (21) the dust suction notch (22) being connected, when binder seat (2) moves down and is pressed on workpiece, above-mentioned saw disc (32) it is upper Portion edge is through dust suction notch (22) and stretches into vacuum chamber (21)；The rack (1), which is equipped with, can drive blanking rack (12) The actuator of reciprocally swinging, blanking rack (12) include several short struts (122), and actuator includes two blanking cylinders (123), under two The cylinder ends of material cylinder (123) are hinged in rack (1), and the actuator further includes connecting rod (124) and adjusting bolt (125), there is hinge column (126), the piston rod end of the blanking cylinder (123) and company on short strut (122) side wall One end end of bar (124) offers screw hole, and the both ends of above-mentioned adjusting bolt (125) are respectively provided with external screw thread, and adjusting bolt (125) one end is screwed onto in the screw hole of blanking cylinder (123) piston rod, and the other end is screwed onto in the screw hole of connecting rod (124), described The other end of connecting rod (124) offers hinge hole, and is set in by hinge hole rotation on hinge column (126).

2. the feeding pressure mechanism of sawing machine according to claim 1, which is characterized in that the dust suction notch (22) is with avoiding gap (13) relatively, the downside of the binder seat (2) is binder surface (23), which is located at (22) one side of dust suction notch Divide with working plate (11) relatively, it is opposite with blanking rack (12) that binder surface (23) is located at dust suction notch (22) opposite side part.

3. the feeding pressure mechanism of sawing machine according to claim 2, which is characterized in that the width of the dust suction notch (22) is less than The width of gap (13) is avoided, the madial wall of the madial wall and vacuum chamber (21) of the dust suction notch (22) seamlessly transits.

4. the feeding pressure mechanism of the sawing machine according to Claims 2 or 3, which is characterized in that the rack (1) is upward convex with two Go out the connecting seat (14) of working plate (11), two connecting seat (14) is vertical to have guiding notch (141), the connecting seat (14) lifting cylinder (27) is also fixed on, the piston rod of the lifting cylinder (27) downwards and stretch into be oriented to notch (141) Interior, the both ends of the binder seat (2) are located at two and are oriented in notch (141) respectively, and the both ends of binder seat (2) lift respectively with two The piston rod of cylinder (27) is fixedly connected with.

5. the feeding pressure mechanism of sawing machine according to claim 4, which is characterized in that the two opposite outer of the binder seat (2) Wall mutually reclines respectively with being oriented to opposite two madial walls of notch (141).

6. the feeding pressure mechanism of the sawing machine according to Claims 2 or 3, which is characterized in that the feeding pressure mechanism further includes dust suction Manage (25), the both ends of the vacuum chamber (21) extend through the both ends end face of binder seat (2), one end of the sweep-up pipe (25) with Air pump (24) is connected, and the other end is fixed with connecting cover plate (26), and the connecting cover plate (26) is connected in one end end of binder seat (2) Portion, 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, which is characterized in that the rectangular frame of the blanking rack (12) Shape, including two long side rods (121), wherein the both ends of a root long side rod (121) are hinged in rack (1), when blanking rack (12) to On when being rocked to maximum angle position the upper side of blanking rack (12) flushed with the upper side of working plate (11).

8. the feeding pressure mechanism of sawing machine according to claim 7, which is characterized in that two blanking cylinders (123) edge avoids gap (13) length direction arranges, and the piston rod of the blanking cylinder (123) is inclined upwardly.

9. the feeding pressure mechanism of the sawing machine according to Claims 2 or 3, which is characterized in that the downside of the working plate (11) Two slides (16) are fixed on face, the length direction of two slide (16) is identical with the length direction for avoiding gap (13), described Installing plate (311) one side is fixed with driving motor (33), and the saw disc (32) is located at installing plate (311) opposite side, and drives electricity The output shaft of machine (33) is fixedly connected with saw disc (32), and idler wheel is hinged on the installing plate (311) and driving motor (33) (312), the idler wheel (312) rolls and is connected on slide (16).