CN209077917U - A kind of efficient bar sawing machine - Google Patents

Abstract

The utility model discloses a kind of efficient bar sawing machines, it is related to bar cutting apparatus field, aim to solve the problem that the ineffective problem of traditional sawing machine, its key points of the technical solution are that: it further include being set to the feed mechanism on front side of workbench, the clamping device that is set to workbench and is located above cutting groove, being set to workbench and be located at the cutting agency of cutting groove blanking side including workbench, the cutting groove, the saw blade in cutting groove that are opened in workbench.A kind of efficient bar sawing machine of the utility model, has the advantages that high degree of automation is high in machining efficiency.

Description

A kind of efficient bar sawing machine

Technical field

The utility model relates to the technical fields of bar cutting apparatus, more particularly, to a kind of efficient bar sawing machine.

Background technique

Sawing machine is the lathe of sawing round metal material, square stock, materials in the tube and profile etc., and it is various that sawing machine is chiefly used in preparation room cutting The profiles such as bar, materials in the tube are a part important in bar process.Currently, being all during sawing machine processes bar Bar is sling at the processing for lifting up into sawing machine by lifting rope, later by manually sending bar to sawing machine, then by sawing machine to bar Carry out severing.

The usual the degree of automation of current sawing machine is low, and feeding and blanking are all made of artificial mode, leads to working efficiency The low problem of low precision.

Utility model content

In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of efficient bar sawing machine, tool There is high degree of automation and the advantages of work efficiency is high.

The above-mentioned purpose of utility model of the utility model has the technical scheme that

A kind of efficient bar sawing machine, including workbench, the cutting groove, the saw in cutting groove that are opened in workbench Piece, further include be set to the feed mechanism on front side of workbench, be set to workbench and be located at cutting groove above clamping device, set It is placed in workbench and is located at the cutting agency of cutting groove blanking side.

By using above-mentioned technical proposal, bar proper alignment is realized on feed mechanism and by feed mechanism by root Material, is later fixed bar by clamping device, guarantees stability when bar is cut, after the completion of cutting, by cutting agency reality Existing automatic blanking, high degree of automation, and improve work efficiency.

The utility model is further arranged to: the feed mechanism includes being in U-shape to be arranged and for the bracket of discharge, setting In bracket loading assemblies, be set to bracket close to sawing machine one end pre-determined bit component, be set to the pushing component of bracket tail end, The pushing component is for pushing bar to move forward.

By using above-mentioned technical proposal, when work by haulage equipments such as cranes by rod arraying at the bottom of U-bracket On face and it is in several rows of column, when needing feeding, wherein a bar will jacks up extremely flush with workbench upwards by loading assemblies, Pre-determined bit component starts and is connected to the bar side wall of jack-up later, realizes and is pre-positioned to bar, bar is avoided radially to occur Deflection, pushing component are located at one end that bar deviates from workbench, and pre-determined bit component is by after the completion of bar radial positioning, pushing component Push bar towards movable workbench, and bar sent to cut place and is cut, complete feeding, save artificial loading at This, has saved labour, has improved the degree of automation.

The utility model is further arranged to: the loading assemblies include the feeding cylinder being set to below bracket, described Feeding cylinder is located at close to the position of rack side wall, and the piston rod of the feeding cylinder is arranged upward and is connected with care feed tray.

By using above-mentioned technical proposal, when being booked material in bracket, bar is neat to be arranged on cradle bottom surface, feeding Cylinder extends upwards, and a wherein bar is lifted up to the position flushed with workbench by care feed tray, since bar has There is certain length, therefore bracket there should be certain width, and loading assemblies are provided at least two.

The utility model is further arranged to: the clamping device includes the clamp assemblies for being set to workbench, the folder The force side for holding component is located at the top of cutting groove, and the workbench is provided with dust removal assembly.

By using above-mentioned technical proposal, when bar is put on workbench, clamp assemblies fix bar, are cutting When, a large amount of clast can be generated, and can be more in the side of saw blade in saw blade rotation, therefore dust removal assembly is arranged in clast More side can be collected most clast, so that Optimization Work environment, realizes cleanly production.

The utility model is further arranged to: the clamp assemblies include being fixedly installed on workbench and L-shaped setting Pedestal, the pedestal are connected with gripper cylinder, and the piston rod of the gripper cylinder towards setting and is connected with grip block, the folder It holds block and offers semicircular clamping groove.

By using above-mentioned technical proposal, when bar is placed in workbench and is located above cutting groove, gripper cylinder band Dynamic grip block moves down, until bar is connected in clamping groove, fixes to realize to bar.

The utility model is further arranged to: the clamping groove offers regulating tank along the direction perpendicular to side wall, described Rotation is provided with adjusting block in regulating tank, and the adjusting block can be protruded into clamping groove by rotation, and the grip block setting is useful In the fixation kit positioned to adjusting block.

By using above-mentioned technical proposal, when the bar diameter cut is smaller, by by adjusting block towards clamping groove Interior rotation, adjusting block protrude into clamping groove, so that the internal diameter of clamping groove reduces, so that the bar to small diameter realizes positioning.

The utility model is further arranged to: the cutting agency includes the blanking groove for being opened in workbench, is set to work Make the blanking chamber being connected in platform and with blanking groove, the upper edge sliding of the blanking groove is provided with feeding material component, the feeding group Part is provided with limit assembly away from one end of saw blade.

By using above-mentioned technical proposal, when bar is cut, one end is against on limit assembly, and the part cut is located at On feeding material component, when the cut is completed, feeding material component is by the dragging backward cut down and realizes automatic blanking, so that under cutting The bar come is sent into blanking chamber, saves labour.

The utility model is further arranged to: the feeding material component include the straight trip track for being set to blanking groove upper edge, It is slideably positioned in the slide of straight trip track, is set to the arc track of blanking groove sidewall, further include that one end is rotationally connected with slide, The other end slides on the blanking plate of arc track, and the blanking chamber is located at below arc track, and the arc track is by close to saw Piece one end to far from saw blade one end in tilting down setting.

By using above-mentioned technical proposal, when the cut is completed, slide is moved along one end that straight trip track faces away from saw blade Dynamic, blanking plate is simultaneously pulled at this time, and arcuately track is turned over downwards for one end of blanking plate, so that blanking plate tilts, this When saw blade on blanking plate along blanking plate to slide downward into blanking intracavitary, realize automatic blanking, after the completion of blanking, slide It is mobile towards the direction of close saw blade, and push blanking plate mobile towards saw blade, blanking plate is applied upward by arc track Separation so that blanking plate is rotated up to level, convenient for cutting feeding next time.

The utility model is further arranged to: the limit assembly includes being fixedly connected on slide one along bar length direction The supporting plate of side, be in U-shape the limit for being arranged and being slideably positioned in the limited block of supporting plate, being connected to limited block and be used to limit bar Plate, the limited block sidewall thread are connected with fastening bolt, and described fastening bolt one end passes through limited block side wall and is pushed against branch Plate side wall.

By using above-mentioned technical proposal, when putting on the table bar, one end of bar is connected on limit plate, Since limit plate can be along supporting plate slidable adjustment, limit plate is also adjustable relative to the distance of saw blade, to pass through tune The position for saving limit plate, changes the length of bar to be cut, and when needing to adjust, and unscrews fastening bolt, mobile limit Fixation of the fastening bolt realization to limited block and limit plate is tightened in the position of block later.

In conclusion the advantageous effects of the utility model are as follows:

Bar proper alignment is realized on feed mechanism and by feed mechanism by root feeding, later by clamping device by bar It is fixed, guarantee stability when bar is cut, after the completion of cutting, automatic blanking is realized by cutting agency, high degree of automation, And it improves work efficiency.

Detailed description of the invention

Fig. 1 is the overall structure diagram of the utility model.

Fig. 2 is the structural schematic diagram of the utility model feed mechanism.

Fig. 3 is the schematic diagram of the utility model clamping device and cutting agency.

Fig. 4 is the structural schematic diagram of the utility model grip block.

Fig. 5 is the structural schematic diagram of the utility model cutting agency.

Fig. 6 is the portion the A enlarged diagram of Fig. 5.

Fig. 7 is the overlooking structure diagram of the utility model.

In figure, 1, feed mechanism；2, clamping device；3, cutting agency；4, bracket；5, loading assemblies；6, it is pre-positioned component； 7, pushing component；8, feeding cylinder；9, care feed tray；10, feed supplement component；11, feed supplement cylinder；12, scraping wings；13, the first positioning Block；14, positioning cylinder；15, the second locating piece；16, cylinder is driven；17, buffer stopper；18, cutting groove；19, saw blade；20, it clamps Component；21, dust removal assembly；22, pedestal；23, gripper cylinder；24, grip block；25, clamping groove；26, regulating tank；27, adjusting block； 28, fixation kit；29, arc chute；30, bolt is adjusted；31, collecting cover for wood flour；32, pallet；33, it slots；34, baffle；35, blanking Slot；36, blanking chamber；37, feeding material component；38, limit assembly；39, straight trip track；40, slide；41, arc track；42, blanking Plate；43, pulley；44, supporting plate；45, limited block；46, limit plate；47, fastening bolt；48, discharge port；49, rewinding bag；50, work Make platform.

Specific embodiment

The utility model is described in further detail below in conjunction with attached drawing.

It referring to Fig.1, is a kind of efficient bar sawing machine disclosed by the utility model, including workbench 50, setting are working The feed mechanism 1 of 50 front end of platform, the clamping device 2 being arranged on workbench 50, setting in workbench 50 and are used for automatic blanking Cutting agency 3, further include the cutting groove 18 for being provided with 50 surface of workbench, motor, motor be provided with below workbench 50 Output shaft be connected with saw blade 19, also set up below workbench 50 by the cylinder for driving motor and saw blade 19 to go up and down, Saw blade 19 is enabled to stretch out cutting groove 18 upwards, to cut to the bar on workbench 50；Bar proper alignment exists It realizes on feed mechanism 1 and by feed mechanism 1 by root feeding, is later fixed bar by clamping device 2, guarantee that bar is cut When stability, after the completion of cutting, automatic blanking, high degree of automation, and improving work efficiency are realized by cutting agency 3.

As depicted in figs. 1 and 2, feed mechanism 1 includes the bracket 4 that 50 feeding side of workbench is arranged in, and bracket 4, which is in U-shape, to be set Discharge is set and be used for, further includes the loading assemblies 5 for being set to bracket 4, the pre-determined bit component that is set to bracket 4 close to sawing machine one end 6, it is set to the pushing component 7 of 4 tail end of bracket, pushing component 7 is for pushing bar to move forward.It is removed when work by crane etc. Transport equipment by rod arraying on the bottom surface of U-bracket 4 and in several rows of column will wherein by loading assemblies 5 when needing feeding A piece bar is jacked up upwards to flushing with workbench 50, is pre-positioned the bar side wall that component 6 starts and is connected to jack-up later, right Bar realizes pre-determined bit, and bar is avoided radially to glance off, and pushing component 7 is located at one end that bar deviates from workbench 50, in advance For positioning component 6 by after the completion of bar radial positioning, pushing component 7 pushes bar mobile towards workbench 50, and by bar send to Cut place is cut, and is completed feeding, is saved the cost of artificial loading, saved labour, improve the degree of automation.

As shown in Fig. 2, loading assemblies 5 include feeding cylinder 8 below bracket 4 being arranged in, and feeding cylinder 8 is located at and leans on The position of 4 side wall of nearly bracket, the piston rod of feeding cylinder 8 are arranged upward and are connected with care feed tray 9；When being booked material in bracket 4, Bar is neat to be arranged on 4 bottom surface of bracket, and feeding cylinder 8 extends upwards, will wherein be lifted upwards a bar by care feed tray 9 It rises to the position flushed with workbench 50, since bar has certain length, bracket 4 should have certain width, and Loading assemblies 5 are provided at least two.

As shown in Figure 1,4 bottom of bracket one end opposite with loading assemblies 5 is horizontally arranged with feed supplement component 10, feed supplement component 10 include being horizontally set at the feed supplement cylinders 11 of bracket 4, the piston rod of feed supplement cylinder 11 be arranged towards loading assemblies 5 and perpendicular to Bar, the piston rod of feed supplement cylinder 11 are connected with scraping wings 12；When loading assemblies 5 jack up a bar upwards and realize feeding Afterwards, loading assemblies 5 are withdrawn, and feed supplement cylinder 11 pushes scraping wings 12 and will be located at the bar of side towards on loading assemblies 5 later Side pushes, and goes up and down feeding next time convenient for loading assemblies 5, realizes feed supplement function.

As shown in Figure 1, the upper end of bracket 4 is arranged in pre-determined bit component 6, including being fixedly welded on 4 upper edge of bracket the A positioning block 13, the first locating piece 13 are located at the side of care feed tray 9, and 4 upper edge of the bracket side opposite with locating piece is laterally solid Surely it is provided with positioning cylinder 14, the piston rod of positioning cylinder 14 is connected with the second locating piece 15, when positioning cylinder 14 extends, the The distance between a positioning block 13 and the second locating piece 15 are equal to the diameter of bar；When loading assemblies 5 jack up bar upwards, The side of bar is aligned with the first locating piece 13, and positioning cylinder 14 pushes the second locating piece 15 to be moved to another with bar later Side alignment, bar passes through the first locating piece 13 and the second positioning between the first locating piece 13 and the second locating piece 15 at this time Block 15 realizes the radial positioning to bar, when bar is axially moveable, radial deflection can occur to avoid bar.Herein pre- Positioning component 6 is also equipped at least two groups and acts on the side wall of bar.

As depicted in figs. 1 and 2, pushing component 7 includes the driving cylinder 16 for being fixedly installed on bracket 4 and deviating from sawing machine one end, The piston rod and bar for driving cylinder 16 are coaxially disposed, and the piston rod of driving cylinder 16 is connected with buffer stopper 17；When loading assemblies 5 Bar is jacked up, and be pre-positioned bar by being pre-positioned component 6, drives cylinder 16 to push bar towards work later Platform 50 is mobile, and buffer stopper 17 can be using spring materials such as rubber, to play certain buffer function to bar.

As shown in Fig. 2, care feed tray 9 is arranged in the semicircular arc equal with bar radius, when care feed tray 9 is lifted upwards, By the way that care feed tray 9 is arranged to semicircular arc, so that more agreeing with ingot shapes, to guarantee the stabilization being lifted to bar Property.

As shown in figures 1 and 3, clamping device 2 includes the clamp assemblies 20 for being set to workbench 50, and clamp assemblies 20 are applied Power end is located at the top of cutting groove 18, is additionally provided with dust removal assembly 21 on workbench 50, when bar is put on workbench 50, folder It holds component 20 to fix bar, in cutting, a large amount of clast can be generated, and can be the one of saw blade 19 when saw blade 19 rotates Side is more, therefore the more side of clast is arranged in dust removal assembly 21, can be collected to most clast, thus excellent Change working environment, realizes cleanly production.

As shown in figure 3, clamp assemblies 20 include being bolted the pedestal for being set to workbench 50 and L-shaped setting 22, the upper end of pedestal 22 has been bolted gripper cylinder 23, and the piston rod of gripper cylinder 23 is arranged simultaneously towards cutting groove 18 It is connected with grip block 24, the lower surface of grip block 24 offers semicircular clamping groove 25；When bar is placed in workbench 50 simultaneously When above cutting groove 18, gripper cylinder 23 drives grip block 24 to move down, until bar is connected in clamping groove 25, from And bar is realized and is fixed.

As shown in figure 4, being opened in clamping groove 25 along the direction perpendicular to side wall to adapt to the positioning of the bar of different-diameter Equipped with regulating tank 26, adjusting block 27 is provided with by shaft rotation in regulating tank 26, adjusting block 27 can protrude into card by rotation In access slot 25, grip block 24 is provided with the fixation kit 28 for positioning to adjusting block 27；When the bar diameter cut is smaller When, by the way that by adjusting block 27, towards rotating in clamping groove 25, adjusting block 27 is protruded into clamping groove 25, so that the internal diameter of clamping groove 25 It reduces, so that the bar to small diameter realizes positioning.

As shown in figure 4, fixation kit 28 includes the arc chute 29 for being opened in 24 side wall of grip block, arc chute 29 is to adjust The hinge joint of locking nub 27 opens up for the center of circle, and arc chute 29 is opened in the opposite two sides of grip block 24 and sliding is equipped with adjusting spiral shell Bolt 30 adjusts bolt 30 and sequentially passes through sliding slot and adjusting block 27；When needing to rotate adjusting block 27, by loosering a bolt, adjust Position of the bolt 30 in sliding slot realizes that the adjusting to 27 position of adjusting block is tightened after being adjusted in place the position of adjusting block 27 Bolt 30 is adjusted, realizes the positioning to adjusting block 27.

As shown in figure 4, the side wall that adjusting block 27 protrudes into clamping groove 25 is in that the arc cooperated with bar side wall is arranged；In this way when After rotation adjusting block 27 enters in clamping groove 25, by the curved wall of adjusting block 27, so that be more bonded with bar side wall, from And the stability of clamping is improved to a certain extent.

As shown in figure 4, regulating tank 26 offers two groups and is located at the two sides of clamping groove 25；Regulating tank 26 in two sides Inside rotation has adjusting block 27, when bar diameter becomes smaller, by adjusting the adjusting block 27 of two sides simultaneously, realizes to clamping groove 25 The adjustment of internal diameter, and internal diameter reduces more balanced, raising stability.

As shown in Figure 3 and Figure 5, dust removal assembly 21 includes the collection that 50 surface of workbench is arranged in and is located at 18 side of cutting groove Bits cover 31, the sliding of 31 bottom surface of collecting cover for wood flour are provided with pallet 32；When cutting to bar, clast can be thrown away simultaneously to same direction Into in collecting cover for wood flour 31, under the barrier effect of collecting cover for wood flour 31, clast is avoided disorderly to fly to make working environment dirty, when debris accumulation to one When determining degree, extracts pallet 32 out and clean up clast, optimize working environment.

As shown in figure 5, collecting cover for wood flour 31 offers fluting 33, pallet close to the position of bottom away from the one side wall of cutting groove 18 32 ends are provided with for the 33 closed baffles 34 that will slot；When installing pallet 32, pallet 32 is penetrated into collection by fluting 33 In bits cover 31, when pallet 32 pierces into collecting cover for wood flour 31 completely, baffle 34 and 31 side wall of collecting cover for wood flour form complete surface, guarantee beauty The property seen extracts more convenient when needing to extract out.

As shown in figure 5 and figure 7, cutting agency 3 includes the blanking groove 35 for being opened in workbench 50, is opened in workbench 50 And the blanking chamber 36 being connected to blanking groove 35, the upper edge sliding of blanking groove 35 are provided with feeding material component 37, feeding material component 37 is carried on the back One end from saw blade 19 is provided with limit assembly 38；When bar is cut, one end is against on limit assembly 38, and the part cut On feeding material component 37, when the cut is completed, under the bar cut down is dragged backward and is realized automatically by feeding material component 37 Material saves labour so that the bar cut down is sent into blanking chamber 36.

As shown in Figure 5 and Figure 6, feeding material component 37 includes two straight trip tracks 39 for being set to 35 upper edge of blanking groove, slides The arc track 41 for moving the slide 40 in straight trip track 39, being set to 35 side wall of blanking groove further includes that one end is rotated by shaft It is connected to slide 40, the other end slides on the blanking plate 42 of arc track 41, and blanking chamber 36 is located at 41 lower section of arc track, arc Track 41 is in tilt down setting from close 19 one end of saw blade to separate 19 one end of saw blade；When the cut is completed, slide 40 is along straight One end that row track 39 faces away from saw blade 19 is mobile, and blanking plate 42 is simultaneously pulled at this time, and one end of blanking plate 42 is arcuately Track 41 is turned over downwards, so that blanking plate 42 tilts, the saw blade 19 being now placed on blanking plate 42 is downward along blanking plate 42 It slipping into blanking chamber 36, realizes automatic blanking, after the completion of blanking, the direction of slide 40 towards close saw blade 19 is mobile, and It pushes blanking plate 42 mobile towards saw blade 19, separation upward is applied to blanking plate 42 by arc track 41, so that under Flitch 42 is rotated up to level, convenient for cutting feeding next time.

As shown in figure 5, one end that blanking plate 42 slides on arc track 41 is provided with pulley 43；When blanking plate 42 arcuately When track 41 slides, by the way that pulley 43 is arranged, sliding friction can be converted into rolling friction, to reduce to blanking plate 42 Abrasion, prolong the service life.

As shown in Figure 5 and Figure 6, limit assembly 38 includes the supporting plate that 40 side of slide is fixedly connected on along bar length direction 44, it is in U-shape and setting and is slideably positioned in the limited block 45 of supporting plate 44, is integrally connected to limited block 45 and for being limited to bar Limit plate 46,45 sidewall thread of limited block are connected with fastening bolt 47, and 47 one end of fastening bolt passes through 45 side wall of limited block and supports Tightly in 44 side wall of supporting plate；When bar to be placed on workbench 50, one end of bar is connected on limit plate 46, due to limit plate 46 can be along 44 slidable adjustment of supporting plate, therefore limit plate 46 is also adjustable relative to the distance of saw blade 19, to pass through adjusting The position of limit plate 46 changes the length of bar to be cut, and when needing to adjust, and unscrews fastening bolt 47, mobile limit Fixation of the realization of fastening bolt 47 to limited block 45 and limit plate 46 is tightened in the position of position block 45 later.

36 bottom surface of blanking chamber is inclined to set, and the low side intersection of 36 side wall of blanking chamber and bottom surface offers discharge port 48； Bar, by sliding along inclined bottom surface, plays certain alignment, can make after blanking plate 42 is fallen into blanking chamber 36 Rod arraying is more neat and send out through discharge port 48.

As shown in fig. 7, rewinding bag 49 is socketed with outside discharge port 48, it, can in this way when bar is sent out through discharge port 48 Directly to be collected by rewinding bag 49, rewinding is convenient, time saving and energy saving and improve blanking efficiency.

The embodiment of present embodiment is the preferred embodiment of the utility model, and not limitation is originally practical new according to this The protection scope of type, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by practical Within novel protection scope.

Claims (9)

1. a kind of efficient bar sawing machine, it is characterised in that: including workbench (50), be opened in the cutting grooves of workbench (50) (18), the saw blade (19) being located in cutting groove (18) further includes being set to feed mechanism (1) on front side of workbench (50), setting In workbench (50) and be located at cutting groove (18) above clamping device (2), be set to workbench (50) and be located at cutting groove (18) cutting agency (3) of blanking side.

2. a kind of efficient bar sawing machine according to claim 1, it is characterised in that: the feed mechanism (1) includes in U Shape is arranged and is used for the bracket (4) of discharge, the loading assemblies (5) for being set to bracket (4), is set to bracket (4) close to sawing machine one The pre-determined bit component (6) at end, the pushing component (7) for being set to bracket (4) tail end, the pushing component (7) is for pushing bar It moves forward.

3. a kind of efficient bar sawing machine according to claim 2, it is characterised in that: the loading assemblies (5) include setting The feeding cylinder (8) being placed in below bracket (4), the feeding cylinder (8) be located at close to bracket (4) side wall position, it is described on The piston rod of material cylinder (8) is arranged upward and is connected with care feed tray (9).

4. a kind of efficient bar sawing machine according to claim 1, it is characterised in that: the clamping device (2) includes setting The clamp assemblies (20) of workbench (50) are placed in, the force side of the clamp assemblies (20) is located at the top of cutting groove (18), institute It states workbench (50) and is provided with dust removal assembly (21).

5. a kind of efficient bar sawing machine according to claim 4, it is characterised in that: the clamp assemblies (20) include solid Surely it is set to the pedestal (22) of workbench (50) and L-shaped setting, the pedestal (22) is connected with gripper cylinder (23), the folder The piston rod of cylinder (23) is held towards being arranged and being connected with grip block (24), the grip block (24) offers semicircular clamping Slot (25).

6. a kind of efficient bar sawing machine according to claim 5, it is characterised in that: the clamping groove (25) along perpendicular to The direction of side wall offers regulating tank (26), and rotation is provided with adjusting block (27), the adjusting block in the regulating tank (26) (27) it can be protruded into clamping groove (25) by rotation, the grip block (24) is provided with the fixation for positioning to adjusting block (27) Component (28).

7. a kind of efficient bar sawing machine according to claim 1, it is characterised in that: the cutting agency (3) includes opening Blanking groove (35), the blanking chamber (36) that is set in workbench (50) and is connected to blanking groove (35) set on workbench (50), The upper edge sliding of the blanking groove (35) is provided with feeding material component (37), and the feeding material component (37) deviates from the one of saw blade (19) End is provided with limit assembly (38).

8. a kind of efficient bar sawing machine according to claim 7, it is characterised in that: the feeding material component (37) includes setting It is placed in the straight trip track (39) of blanking groove (35) upper edge, the slide (40) for being slideably positioned in straight trip track (39), is set to down The arc track (41) of hopper (35) side wall further includes that one end is rotationally connected with slide (40), and the other end slides on arc track (41) blanking plate (42), the blanking chamber (36) are located at below arc track (41), and the arc track (41) is by close to saw Piece (19) one end to far from saw blade (19) one end in tilting down setting.

9. a kind of efficient bar sawing machine according to claim 8, it is characterised in that: the limit assembly (38) includes edge Bar length direction is fixedly connected on the supporting plate (44) of slide (40) side, being in U-shape is arranged and is slideably positioned in supporting plate (44) Limited block (45) is connected to limited block (45) and the limit plate (46) for limiting to bar, limited block (45) the side wall spiral shell Line is connected with fastening bolt (47), and described fastening bolt (47) one end passes through limited block (45) side wall and is pushed against supporting plate (44) side Wall.