CN208361323U - The material-pulling device of lathe automatic feeding machine - Google Patents

Abstract

The utility model discloses a kind of material-pulling devices of lathe automatic feeding machine, its drip irrigation device includes rack, slide the charging ram being set in the rack and the discharge port for being opened in the rack, the rack is respectively equipped with the first pusher sprocket wheel and the second pusher sprocket wheel the charging ram is ipsilateral, the central axis of the second pusher sprocket wheel is fixedly connected with pusher motor, the first pusher sprocket wheel and the second pusher sprocket wheel are connected with the second chain, contact is fixedly connected between second chain and the charging ram, the pusher motor is electrically connected with the switch of the pusher for starting the pusher motor, the rack is electrically connected with the first limit switch and the second limit switch for closing the pusher motor at second chain both ends with the pusher motor respectively.The utility model has the skidding distance of accurate control charging ram, convenient for bar to be pushed to the effect of correct position.

Description

The material-pulling device of lathe automatic feeding machine

Technical field

The utility model relates to a kind of lathe automatic feeding machines, and more specifically it is related to a kind of lathe automatic feeding machine Material-pulling device.

Background technique

Numerically controlled lathe is now widely used for the spare and accessory parts processing industry such as tubing, bar, generally by means of feeding machine for lathe Bar to be processed is accurately sent at the collet of numerically controlled lathe one by one and is clamped.

Feeding machine for lathe in the prior art includes putting groove, charging ram and the pusher power for pushing charging ram sliding Part is pushed one end of bar by charging ram, moves forward to bar after bar imports putting groove by conveyer belt or idler wheel Close to the position of lathe process, to achieve the purpose that self-feeding.But be unable to accurately control the skidding distance of charging ram, i.e., without Bar is accurately delivered to designated position by method, influences the accuracy of lathe process.

Utility model content

In view of the deficienciess of the prior art, pushing away the purpose of this utility model is to provide a kind of lathe automatic feeding machine Expect device, the advantage is that accurate control bar skidding distance, processed convenient for lathe.

To achieve the above object, the utility model provides following technical solution: a kind of pusher of lathe automatic feeding machine Device including rack, slides the charging ram being set in the rack and is opened in the rack and supplies the pusher rods and bars The discharge port that material passes through, the rack are parallel to axial the first pusher sprocket wheel and second in ipsilateral be respectively equipped with of the charging ram Pusher sprocket wheel, the central axis of the second pusher sprocket wheel are fixedly connected with pusher motor, the first pusher sprocket wheel and described Second pusher sprocket wheel is connected with the second chain, is fixedly connected with contact between second chain and the charging ram, described Pusher motor be electrically connected with the pusher for starting the pusher motor cylinder switch, the rack the chain both ends respectively with The pusher motor is electrically connected with the first limit switch and second for touching for the contact and be used to close the pusher motor Limit switch.

By using above-mentioned technical proposal, when conveying bar, closure pusher switchs so that pusher motor starts at the uniform velocity to rotate, The second pusher sprocket wheel is driven to rotate synchronously, contact drives charging ram to be slid along axial direction under the transmission effect of the second chain, To at the uniform velocity push bar to lathe；Discharge port is connected to rack and lathe, and bar is made to remain horizontal during transportation；The One limit switch and the second limit switch installation site are fixed, and reducing extraneous factor influences, when contact sliding reaches the first limit When switch and the second limit switch, contact presses the first limit switch and the first limit switch, to close pusher motor in time Work so that charging ram stop movement, bar is pushed into specified location, is processed convenient for lathe.

The utility model is further arranged to: the rack is covered with cover plate outside first limit switch, institute It states there are the spacing passed through for the contact between cover plate and second chain, the cover plate is L-shaped and is equipped with described in confession The strip-shaped hole that the connecting rod of first limit switch is pierced by.

By using above-mentioned technical proposal, the first limit switch is placed in rack upper surface, is opened using cover plate the first limit Official seal shield, reduces the destruction of outer the first limit switch of bound pair；Contact sliding presses the first limit switch by making below cover plate Connecting rod, thus the opening and closing of the first limit switch of sensitive control；The connecting rod of first limit switch is worn to clever convenient for connecting rod in strip-shaped hole Work is swung.

The utility model is further arranged to: the cover plate is inclined away from described respectively along the both ends of the charging ram axial direction Charging ram.

By using above-mentioned technical proposal, both ends inclination increases the spacing of cover plate and chain, plays a guiding role, Enter in cover plate when chain drive convenient for contact sliding.

The utility model is further arranged to: the contact passes through bolt respectively and lock onto the chain and the charging ram On.

By using above-mentioned technical proposal, the contact that bolt is locked is convenient for dismantling, and can carry out to charging ram or chain Replacement, lathe automatic feeding machine easy to repair increase service life.

The utility model is further arranged to: the discharge outlet, which extends to be equipped with, is parallel to the charging ram and towards lathe Discharge barrel.

By using above-mentioned technical proposal, bar passes through discharge port and slides in discharge barrel, is supported to bar outer wall, The stability for reinforcing bar transmission process, is accurately processed convenient for lathe.

The utility model is further arranged to: the rack is set in the discharge port far from the side fixation of the discharge barrel There is metal sensor, the metal sensor is electrically connected to the pusher motor and the revolving speed for controlling the pusher motor, When the metal sensor detects metal, slow down the revolving speed of the pusher motor.

By using above-mentioned technical proposal, when metal sensor is close to metal, represents bar and be moved to discharge outlet, at this time Metal sensor internal vibration frequency improves, and metal sensor detects that this changes and export detection signal, so that control pushes away Expect motor speed decline, slow down the sliding velocity of bar, move to bar slowly on lathe, reinforces operational safety.

The utility model is further arranged to: the rack upper surface is fixed with the locating slot for placing charging ram.

By using above-mentioned technical proposal, locating slot support charging ram makes charging ram initial position keep stablizing；Charging ram It is remained when being slid in locating slot and is parallel to bar.

The utility model is further arranged to: the inner wall of the locating slot towards the charging ram is in corresponding arc.

By using above-mentioned technical proposal, the locating slot of arc more fits in charging ram outer wall, and charging ram is determined in reinforcement Position, and stablize sliding convenient for charging ram.

In conclusion the utility model has the advantage that

1, chain drive distance increases the skidding distance of scraping wings, convenient for conveying longer bar；

2, the first limit switch and the second limit switch determine the extreme position of charging ram, accurately control the sliding of charging ram Distance.

Detailed description of the invention

Fig. 1 is the present embodiment forward direction overall structure diagram；

Fig. 2 is the present embodiment backwards to overall structure diagram；

Fig. 3 is confined explosion's schematic diagram that the present embodiment highlights driving mechanism；

Fig. 4 is the partial structural diagram that the present embodiment highlights material pressing device；

Fig. 5 is partial enlargement diagram at A in Fig. 4；

Fig. 6 is the present embodiment longitudinal profile schematic diagram；

Fig. 7 is the partial structural diagram for highlighting the present embodiment and highlighting material-pulling device；

Fig. 8 is partial enlargement diagram at B in Fig. 7；

Fig. 9 is that the present embodiment overlooks partial structural diagram；

Figure 10 is partial enlargement diagram at C in Fig. 9；

Figure 11 is confined explosion's schematic diagram that this implementation highlights positioning device.

Description of symbols: 1, spiral blanking device；2, positioning device；3, material-pulling device；4, material pressing device；5, waste discharge system System；6, body；7, PLC control system；10, blanking rack；100, limit plate；11, bull stick；12, driving mechanism；120, blanking electricity Machine；121, transmission component；122, drive sprocket；123, driven sprocket；124, the first chain；13；First helical gear；14, screw rod； 140, guide pad；15, the second helical gear；18, support plate；180, convex block；181, reinforcement block；182, groove；19, baffle；20, solid Reservation；21, fixture block；210, Extendible flake；211, locating rod；22, thrust gear；220, adjustment plate；221, reset spring；223, it presss from both sides Tight bolt；224, nut；225, inner fovea part；23, vertical bar；24, annular groove；25, bar blocks；26, material folding piece；260, kidney slot； 261, bolt is slid；27, push rod；29, inclined-plane；30, rack；300, discharge port；301, discharge barrel；302, metal sensor；31, Charging ram；32, the first pusher sprocket wheel；33, the second pusher sprocket wheel；34, pusher motor；35, the second chain；351, contact；36, it pushes away Material switch；37, the first limit switch；371, cover plate；372, strip-shaped hole；38, the second limit switch；39, locating slot；40, frame plate； 41, putting groove；42, bar is turned over；420, Coupling；43, it renovates；430, arc groove；44, turnover mechanism；440, bar is slid；441, rank Terraced block；442, it is lifted part；443, binder force piece；444, the first rack gear；445, binder motor；446, first gear；447, it covers Ring；448, nose bar；449, adjustment bolt；45, buffer board；450, buffer spring；46, open a position switch；50, feeding device；500, Slide plate；501, connecting rod；502, flitch is pulled out；503, material spring is pulled out；504, shifting block；505, extension bar；51, feed collet；52, vertical plate； 520, U-lag；521, guide surface；53, notch；54, sliding rack；540, the second rack gear；541, sensing chip；543, second gear； 544, waste discharge motor；545, the first microswitch；546, the second microswitch；55, elastic slice；56, collecting vessel；57, port；58, Waste discharge force piece.

Specific embodiment

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

Embodiment, a kind of lathe automatic feeding machine, as shown in Figure 1, including body 6, being set to 6 top of body and be used for stick Spiral blanking device 1 that material is transported to one by one in body 6 is set to the pressure on body 6 and for clamping bar along bar transportation direction Material device 4, set on 6 upper surface of body and for bar is elapsed to the material-pulling device 3 to lathe and be set in rack 30 and For taking out the waste discharge system 5 of bar waste material, wherein spiral blanking device 1, material pressing device 4, material-pulling device 3 and waste discharge system 5 are electrically connected with PLC control system 7, and body 5, which is equipped with, to be electrically connected and for detecting whether waste material is discharged with PLC control system 7 Detection device.

Body 6 supports entire lathe automatic feeding machine, so that lathe automatic feeding machine matches with lathe height, makes bar It can be delivered on the processing table top of lathe.When detection device detects waste material discharge, represents bar completion of processing and start PLC Control system 7, PLC control system 7 will start spiral blanking device 1, material pressing device 4, material-pulling device 3 and waste discharge system one by one 5.Bar is pushed into material pressing device 4 simultaneously clamping position bar by spiral blanking device 1, convenient for conveying bar on lathe one by one； Then material-pulling device 3 pushes bar stabilization to slide on lathe in material pressing device 4, and bar is accurately delivered to designated position； For bar after length foreshortens to a certain degree after processing, material-pulling device 3 drives waste material to be moved to original position, then utilizes waste discharge system 5 separation material-pulling device 3 of system and waste material, so that waste material be discharged, and automatically begin to the conveying of next bar, realize lathe automatic feeding The cycle operation of machine.

As shown in Figure 2 and Figure 3, spiral blanking device 1 includes the blanking rack 10 of fixed setting, along the rotation of bar transportation direction Bull stick 11 in blanking rack 10, several screw rods 14 that blanking rack 10 is set to along 11 radial rotating of bull stick and it is set to blanking rack Driving mechanism 12 on 10 and for driving bull stick 11 to rotate, wherein screw rod 14 is fixed with second close to one end of bull stick 11 Helical gear 15,11 fixing sleeve of bull stick are equipped with several the first helical gears 13 engaged with the second helical gear 15.

Screw thread distribution on several screw rods 14 is consistent, and the spacing of adjacent thread only supplies a bar to place, bar overlap joint On screw rod 14 and remain parallel to conveying direction.When driving mechanism 12 drives 11 uniform rotation of bull stick, drive several first is tiltedly Gear 13 rotates synchronously, to push the rotation of the second helical gear 15, several screw rods 14 rotate, and screw thread pushes bar along 14 axis of screw rod To movement, eventually disengages from screw rod 14 and fall in material pressing device 4.

In conjunction with Fig. 4, screw rod 14 is equipped with coniform guide pad 140, and the tip of guide pad 140 far from one end of bull stick 11 Far from bull stick 11.Bar smoothly slides along the inclined periphery wall of guide pad 140 and falls when blanking, reduces the shaking of bar.

As shown in figure 3, being fixed with several support plates 18 for being parallel to screw rod 14 and rotating for bull stick 11 in blanking rack 10. Support plate 18 is reinforced supporting the circumferential direction of bull stick 11, so that bull stick 11 keeps stablizing in rotary course.Further, it supports 18 side of plate is vertically equipped with the convex block 180 turned through for screw rod 14 and is connected to the reinforcement block 181 of 14 lower section of screw rod.Convex block 180 and reinforcement block 181 distinguish the both ends of studdle 14 and it is strong to mitigate labour convenient for disposably stacking bar above screw rod 14 Degree.Wherein, reinforcement block 181 is equipped with the groove 182 being bonded with 14 outer wall of screw rod towards the side of screw rod 14, reinforces to screw rod 14 Support, enables 14 smooth rotation of screw rod.

As shown in connection with fig. 4, baffle 19 is connected between adjacent shore plates 18 in the horizontal direction, 19 height of baffle is lower than spiral shell Bar 14 and by bull stick 11, driving mechanism 12 and support plate 18 etc. cover in lower section, it is protected.Further, it is located at bull stick Limit plate 100 is vertically equipped on the baffle 19 at 11 both ends, and limit plate 100 is each parallel to screw rod 14.Limit plate 100 limits bar Placement location so that bar is accurately fallen into putting groove 41.

As shown in figure 3, driving mechanism 12 include be fixed at sliding rack 54 and be parallel to the blanking motor 120 of bull stick 11 with And the transmission component 121 between connection blanking motor 120 and bull stick 11 and for driving bull stick 11 to rotate, wherein blanking motor 120 are electrically connected to PLC control system 7.Specifically, transmission component 121 includes the active for being fixed at 120 output shaft of blanking motor Sprocket wheel 122, fixing sleeve are set to first of driven sprocket 123 and connection drive sprocket 122 and driven sprocket 123 on bull stick 11 Chain 124.

Blanking motor 120 drives drive sprocket 122 to drive the first chain 124 to start to be driven when rotating, and then utilizes first Chain 124 pushes the rotation of driven sprocket 123, according to the difference of 123 transmission ratio of drive sprocket 122 and driven sprocket, can make to turn Bar 11 is rotated with suitable revolving speed.

As shown in figs. 4 and 6, material pressing device 4 include the frame plate 40 being set to perpendicular to bar axial restraint on body 6, it is vertical It connects two block frame plates 40 and the putting groove 41 for placing bar, rotation is set on body 6 and is located at 41 side of putting groove in parallel Turn over bar 42, be fixed at and turn over bar 42 and the overturning of the rotation of bar 42 is turned in flip lid 43 for blocking the top of putting groove 41 and driving Mechanism 44.

42 flexible rotating of bar is turned under the effect of turnover mechanism 44, drives flip lid 43 to rotate far from putting groove 41 when turning over bar 42 When, putting groove 41 is demonstrated, pushes bar in putting groove 41 to convenient for spiral blanking device 1；43 rotation of flip lid is driven when turning over bar 42 The closure chamber for placing bar is formed, so that bar is being delivered to lathe to block putting groove 41 close to putting groove 41 During keep stablize, reduce shake, avoid bar from falling from lathe automatic feeding machine.

As shown in figure 4, turning over, bar 42 is fixed to be arranged and has several Couplings 420 along axial arranging, and flip lid 43 is fixedly connected on On several Couplings 420, rotated convenient for turning over bar 42.

As shown in fig. 6, the inner wall of putting groove 41 towards bar is arc-shaped, bar is more effectively supported.Further, it turns over The inner wall of lid 43 towards bar is equipped with corresponding arc groove 430, the chamber that arc groove 430 and putting groove 41 are formed at cylinder, While protecting bar bar is smoothly slid.

As shown in figure 4,41 side of putting groove is fixed with L shape and several buffer boards 45 of the frame above putting groove 41, and It turns over bar 42 and turns through buffer board 45, buffer board 45 and turn over and be fixedly connected with buffer spring 450 between bar 42.Open flip lid 43 When, bull stick 11 is rotated along the direction away from putting groove 41, while stretching buffer spring 450, under the effect of 450 elastic force of buffer spring It is slowly rotated so that turning over bar 42,43 stabilization of flip lid is slowly opened.

As shown in Figure 4, Figure 5, turnover mechanism 44 includes slipping through several buffer boards 45 and being parallel to the sliding for turning over bar 42 Bar 440 is set on sliding bar 440 and vertical ladder block 441, fixing sleeve are set to and turn on bar 42 and be connected to ladder block along axial The binder force piece 443 that the lifting part 442 and driving sliding bar 440 of 441 upper surfaces slide.Wherein, 441 upper surface of ladder block It is gradually tilted upward along close to the direction of lifting part 442, binder force piece 443 drives ladder block 441 to slide close to lifting part 442.Therefore sliding bar 440 slide when, lifting part 442 along ladder block 441 gradually upwards inclination, drive turn over bar 42 rotate it is separate Putting groove 41 opens flip lid 43.

In conjunction with Fig. 1, renovating 43 quantity is 3, and is corresponding with and turns over bar 42, ladder block 441 and lifting part 442 accordingly, The distance for being lifted part 442 and ladder block 441 along bar transportation direction is gradually increased.With the sliding of sliding bar 440, three liftings Part 442 successively abuts to corresponding ladder block 441, therefore drive is turned over bar 42 accordingly and overturn, after bar passes through successively Flip lid 43 is opened, convenient for being sent into new bar.

As shown in figure 5, lifting part 442 includes that sliding is sheathed on the lantern ring 447 turned on bar 42, is radially secure set on described Nose bar 448 on lantern ring 447 and radially screw thread are arranged in lantern ring 447 and for pushing against the adjustment bolt 449 for turning over bar 42. When loosening adjustment bolt 449, slip adjusts the spacing of lantern ring 447 and respective steps block 441, then locks adjustment bolt 449, So that nose bar 448 keeps stablizing with 42 relative position of bar is turned over, and gradually tilted along 441 upper surface of ladder block.

As shown in figure 4, binder force piece 443 includes turning over bar along axial the first rack gear 444 being set on sliding bar 440, edge It the binder motor 445 of 42 radially fixed settings and is fixed at 445 output shaft of binder motor and is engaged with the first rack gear 444 First gear 446, wherein binder motor 445 is electrically connected with 3 for starting the switch 46 that opens a position of binder motor 445.

Binder motor 445 is fixedly installed, therefore 446 Rotating with Uniform of first gear, and with 444 stable engagement of the first rack gear, It pushes the first rack gear 444 at the uniform velocity to slide, and then controls the sliding of sliding bar 440.

As shown in Fig. 4, Fig. 7 and Fig. 9, material-pulling device 3 includes the rack 30, radially fixed along bar set on casing upper surface The first pusher sprocket wheel 32 and the second pusher sprocket wheel 33 in rack 30, the pusher motor for being fixed at the second centre of sprocket axis 34, it connects the second chain 35 of the first pusher sprocket wheel 32 and the second pusher sprocket wheel 33 and is fixed on the second chain 35 and puts down Row is right against the charging ram 31 of putting groove 41, wherein the electrical connection of pusher motor 34 and PLC control system 7.

First pusher sprocket wheel 32 and the second pusher sprocket wheel 33 are located at 30 both ends of rack, therefore connect second chain of the two Item 35 remains parallel to putting groove 41.When needing bar on lathe, it is closed pusher switch 36, starts pusher motor 34, is pushed away first The second chain 35 is set to start to be driven under material sprocket wheel 32 and the cooperation of the second pusher sprocket wheel 33, so that charging ram 31 abuts bar and pushes Bar slides in putting groove 41.

As shown in figure 8, the arc beside the second chain 35 equipped with putting groove 41 is right against and for placing charging ram 31 is determined Position slot 39.39 support charging ram 31 of locating slot makes 31 initial position of charging ram keep stablizing；Charging ram 31 in locating slot 39 into It is remained when line slip and is parallel to bar.

As shown in Figure 8, Figure 9, it is threaded with contact 351 between charging ram 31 and the second chain 35, realizes charging ram 31 With being detachably connected for chain, replacement easy to disassemble is repaired, and improves the service life of lathe automatic feeding machine.

In conjunction with Fig. 4, the switch 46 that opens a position of material pressing device 4 is sequentially arranged in 35 side of the second chain.When contact 351 follows second When chain 35 is moved at the switch 46 that opens a position, contact 351 compresses and is closed the switch 46 that opens a position, to open flip lid 43 one by one, just Pass through putting groove 41 in charging ram 31 and contact 351.

As shown in Figure 5, Figure 9, rack 30 is respectively perpendicular at close first pusher sprocket wheel 32 and the second pusher sprocket wheel 33 and sets There are the first limit switch 37 and the second limit switch 38 for closing pusher motor 34, in the present embodiment, the first limit switch 37 and second limit switch 38 be rotatably connected to connecting rod.When contact 351 follows the second chain 35 to be moved to the first limit switch 37 and second at limit switch 38, and contact 351 is pressed on connecting rod and is closed the first limit switch 37 or the second limit switch 38, To close pusher motor 34, so that charging ram 31 is stopped sliding, bar is accurately elapsed to designated position, carries out essence convenient for lathe Really processing.

As shown in figure 8, the L shape cover plate 371 being erected at outside the first limit switch 37 is fixed in rack 30, in conjunction with figure 9, the horizontal segment of cover plate 371 is located at 35 top of the second chain, and offers the strip-shaped hole 372 for connecting rod swing.

First limit switch 37 is covered at lower section by cover plate 371, is protected to the first limit switch 37, reduce it is extraneous because Influence of the element to the first limit switch 37.Contact 351 follows the second chain 35 to pass through and press from the lower section of cover plate 371 when sliding The connecting rod of first limit switch 37, thus the opening and closing of the first limit switch 37 of sensitive control.

As shown in figure 8, cover plate 371 is inclined away from locating slot 351 along the both ends of pusher axial direction respectively, therefore increase cover plate 371 and second chain 35 spacing, convenient for contact 351 by 371 both ends of cover plate slide enter.

As shown in figure 4, rack 30 is equipped with the discharge port 300 for being right against 41 end of putting groove, discharge port 300 is far from storing The side connection of slot 41 is equipped with discharge barrel 301.Discharge port 300 is connected to lathe automatic feeding machine and lathe, so that bar is from automatic It is moved on lathe in feeder.Bar passes through discharge barrel 301 and carries out stablizing sliding simultaneously, reduces bar and shakes, is convenient for lathe It is processed.

As shown in figure 4, rack 30 is fixed in a side-lower of discharge port 300 towards placing groove for controlling pusher electricity The metal sensor 302 of 34 revolving speed of machine, metal sensor 302 is higher-order of oscillation type in the present embodiment.

When metal bar is close to metal sensor 302, frequency of oscillation is improved in metal sensor 302, and metal passes Sensor 302 detects that this changes and exports detection signal, to control the revolving speed for reducing pusher motor 34, reduces the second chain 35 transmission speed improves the safety of operation so that bar is slowly transported on lathe.

As shown in Fig. 7, Fig. 9, waste discharge system 5 includes being set to the sliding rack 54 of 39 lower section of locating slot along axial sliding, being set to In rack 30 and for driving the waste discharge force piece 58 of the sliding of sliding rack 54, being fixed in sliding rack 54 and for pushing pusher The feeding device 50 that bar 31 slides and the positioning device 2 between locating slot 39 and putting groove 41 and for clamping waste material. Wherein, 31 end of charging ram is connected with the elastic feed collet 51 for being socketed bar end.

After bar is pushed into putting groove 41 by spiral blanking device 1,2 clamping rod material of positioning device, then feeding device 50 Charging ram 31 is pushed to slide close to bar, so that feed collet 51 is socketed on bar end.Since feed collet 51 has elasticity, material Folder 51 fixes bar and material-pulling device 3 is made to drive bar toward polyslip.Bar only remains waste port, 31 band of charging ram by processing Dynamic waste material slides close to locating slot 39, then clamps waste material using positioning device 2, and feeding device 50 pushes charging ram 31 to slide far From waste material, to separate waste material and feed collet 51.

As shown in figure 9, feed collet 51 is threadedly connected to 31 end of charging ram, replacement feed collet 51 easy to disassemble, according to bar ruler The very little corresponding feed collet 51 of selection, enables lathe automatic feeding machine to convey the bar of various sizes, increases use scope.

As shown in figure 9, casing is equipped with the port 57 being discharged for waste material below positioning device 2, detection device includes fixing Elastic slice 55 in port 57, and elastic slice 55 is electrically connected with the blanking switch for controlling blanking motor 120.Waste material and feed collet After 51 separation, positioning device 2 unclamps waste material, and waste material is dropped through port 57 under the effect of gravity, to contact flat spring 55 and close Blanking switch is closed, so that starting blanking motor 120 conveys new bar into putting groove 41.Further, in conjunction with Fig. 2, lead to It is placed with collecting vessel 56 immediately below mouth 57, for accepting waste material, convenient for centralized processing waste material, waste material is avoided to be scattered everywhere.

As shown in Figure 10, positioning device 2 includes the opposite fixing seat 20 for being set to 41 two sides of putting groove, along bar radial slippage Fixture block 21 in fixing seat 20 and it is respectively arranged on thrust gear 22 on fixture block 21 and for driving fixture block 21 to slide.

When thrust gear 22 pushes fixture block 21 to slide in opposite directions, bar is clamped into positioning to the middle of putting groove 41, is convenient for Feed collet 51 is accurately inserted in bar end；When pusher pushes fixture block 21 to slide opposite to each other, fixture block 21 unclamps bar.

As shown in figure 11, wherein 21 inside of a fixture block is equipped with several bar blocks for being used to push against bar outer wall along the vertical direction 25, the material folding piece 26 of V-arrangement is equipped on the inside of another fixture block 21.When two fixture blocks 21 slide close, bar is embedded in the recess of material folding piece 26 Then place pushes against bar using bar blocks 25, thus the bar that is preferably fixedly clamped.

As shown in figure 11, material folding piece 26 offers kidney slot 260 along the vertical direction, and sliding is plugged in kidney slot 260 For locking the sliding bolt 261 of fixture block 21.Along the mounting height of the sliding sliding adjustment material folding piece 26 of bolt 261, then lock Tight sliding bolt 261 fixes material folding piece 26, therefore the clamping height of adjustable bar.

As shown in Figure 10,11, thrust gear 22 includes being rotationally connected in fixing seat 20 and being connected to 21 outside of fixture block The positioning that adjustment plate 220, the reset spring 221 in 21 outside of connection fixture block and fixing seat 20 and driving adjustment plate 220 rotate is dynamic Power part.

Under natural conditions, two fixture blocks 21 are located remotely from each other reset spring 221；The driving rotation of adjustment plate 220 of positioning power part is leaned on Nearly fixing seat 20, therefore it is close to push fixture block 21 mutually to slide；After the completion of pulling out material, fixture block 21 is made in the elasticity of reset spring 221 It automatically resets, mutually slides separate under.

As shown in Figure 10, fixture block 21 towards a lateral edge conveying direction of thrust gear 22 be fixed with Extendible flake 210 and It is vertical at Extendible flake 210 and slides the locating rod 211 being plugged in fixing seat 20, wherein reset spring 221 is socketed on positioning 211 outside of bar.Locating rod 211 is pushed to slide when reset spring 221 stretches, locating rod 211 limits the flexible of reset spring 221 Direction pushes fixture block 21 to stablize sliding so that reset spring 221 is remained perpendicular to fixing seat 20.

As shown in figure 11, vertical bar 23 is fixed in fixing seat 20 along the vertical direction, and is offered on vertical bar 23 for adjustment The annular groove 24 of the rotation socket of plate 220.Vertical bar 23 raises the mounting height of adjustment plate 220, and adjustment plate 220 is enabled to abut folder Block 21 simultaneously keeps horizontal.

As shown in Figure 1,220 one end of adjustment plate is radially equipped with the fishbolt for abutting 21 side wall of fixture block along bar 223, and fishbolt 223 is arranged with the nut 224 for pushing against 220 two sides of adjustment plate.223 floor space of fishbolt is less than folder 21 lateral area of block drives fishbolt 223 to rotate when adjustment plate 220 rotates, and 223 end of fishbolt is connected to fixture block always On 21 side walls；Fishbolt 223 is rotated so as to adjust the skidding distance of fixture block 21, bar is positioned to the required position of placing groove It sets, then locks two nuts 224, fishbolt 223 is made to keep stablizing.

As shown in Figure 10, adjustment plate 220 is opened up towards 39 side of locating slot there are two V-shaped inner fovea part 225, vertical bar 23 Between inner fovea part 225 and fishbolt 223.Positioning power part includes being vertical in sliding rack 54 and being embedded in inner fovea part 225 push rod 27.

When push rod 27 is still in inner fovea part 225, reset spring 221 keeps nature；When sliding rack 54 is slid, Drive push rod 27 along wall slip in inner fovea part 225 far from fixing seat 20, so that adjustment bar be pushed to turn with vertical bar 23 for center axis Dynamic close fixing seat 20, i.e. compression reseting spring 221 are clamped fixation to bar.

As shown in Figure 10, inclined-plane 29, and inclined-plane 29 are equipped between side of the adjustment block towards fixing seat 20 and inner fovea part 225 It is inclined away from fixing seat 20.Inclined-plane 29 provides space for the rotation of adjustment plate 220, be adjustment plate 220 one end far from inclined-plane 29, 29 one end of inclined-plane is rotated enables fishbolt 223 to be sufficiently close together fixing seat 20 close to putting groove 41, realizes the clamping of bar.

As shown in Figure 8, Figure 9,39 1 lateral edge parallel direction of locating slot is fixed with vertical plate 52, charging ram 31 along axial direction outside Jagged 53 are opened up on wall, and U-lag 520 corresponding with notch 53 is offered on vertical plate 52.Specifically, feeding device 50 wraps Include the slide plate 500 for being vertical in sliding rack 54 and being parallel to charging ram 31, rotation is set on slide plate 500 and is positioned horizontally in and pushes away The connecting rod 501 of 31 top of material bar, radially secure pulling out flitch 502, being fixedly connected on and pull out flitch set on 501 end of connecting rod 502 one end far from connecting rod 501 and the extension bar 505 and vertical connection extension bar 505 and slide plate for being parallel to connecting rod 501 Spring 503 is expected in 500 pull out.

When extension bar 505 is connected to 52 upper surface of vertical plate, material spring 503 is pulled out in stretching；Slide plate 500 slides close to U-lag When 520, under the elastic reaction for pulling out material spring 503, driving pulls out flitch 502 and rotates close and be embedded in notch 53, to push 500 synchronization-sliding of charging ram 31 and slide plate.

It is downwardly protrude to form as shown in figure 8, pulling out 502 for lower surface of flitch and being gradually inclined away from separate 501 side of connecting rod Shifting block 504, further, side of the shifting block 504 towards connecting rod 501 are gradually inclined away from connecting rod 501.

The inclined side of shifting block 504 slides into notch 53 along 53 inner wall of notch when slide plate 500 slides, so that shifting block 504 It is smoothly embedded in notch 53, reinforces the abutting to charging ram 31 and act on, avoid skidding.

As shown in figure 8,520 two sides of U-lag, which are equipped with, is mutually inclined separate guide surface 521.Extension bar when slide plate 500 slides 505 gradually slide in or out U-lag 520 along guide surface 521, reduce the skid resistance of sliding block.

As shown in fig. 7, waste discharge force piece 58 includes the second rack gear 540 being axially fixed in sliding rack 54, fixes Waste discharge motor 544 in rack 30 and be fixedly connected with 544 output shaft of waste discharge motor and engagement and the second rack gear 540 the Two gears 543, wherein waste discharge motor 544 is electrically connected to PLC control system 7.

After starting waste discharge motor 544,543 uniform rotation of second gear simultaneously pushes the sliding of the first rack gear 444；According to waste discharge electricity The difference of 544 rotation direction of machine pushes sliding rack 54 to be slid along different directions.

As shown in figure 8, rack 30 be fixed in opposite directions in 54 side of sliding rack for closing waste discharge motor 544 it is first micro- Dynamic switch 545 and the second microswitch 546, and 54 lower surface of sliding rack is fixed with for abutting 545 He of the first microswitch The sensing chip 541 of second microswitch 546.Sliding rack 54 drives 541 synchronization-sliding of sensing chip, is closed when sensing chip 541 abuts When the first limit switch 37 or the second limit switch 38, waste discharge switch is closed in time, so that sliding rack 54 is stopped sliding, thus accurately Control the sliding range of sliding rack 54.

Transmission process: 1, under original state, sliding rack 54 slides remotely located device 2, and push rod 27 is embedded in adjustment plate at this time 220 inner fovea part 225, fixture block 21, which is located remotely from each other, to be kept open；PLC control system 7 is opened, first control starting blanking electricity Machine 120, screw rod 14 rotates synchronously pushes bar sliding in putting groove 41 to.2, control starting binder motor 445 inverts, Zhi Daosan Section flip lid 43 is all closed.3, control starting starting waste discharge motor 544 rotates forward, and sliding rack 54 is pushed to slide close to positioning device 2, Shifting block 504 is embedded in notch 53 and pushes 31 synchronization-sliding of charging ram, and push rod 27 is along wall slip in inner fovea part 225, thus will Adjustment plate 220 is rotated close to fixing seat 20, and fixture block 21 is pushed to slide close to simultaneously clamping rod material, so that feed collet 51 is socketed on bar End.4, control starting pusher motor 34 rotates forward, and charging ram 31 pushes bar to slide close to lathe, when contact 351 is abutted to opening When the switch 46 of storehouse, starting binder motor 445 is inverted, to successively open flip lid 43, passes through putting groove convenient for the sliding of contact 351 41；When the abutting of contact 351 to the second limit switch 38, pusher motor 34 is closed, stops passage bar.5, when bar is machined to After waste material, reversion starting pusher motor 34, charging ram 31 drives waste material to slide far from lathe, until contact 351 abuts extremely First limit switch 37 closes pusher cylinder, and waste material is located in positioning device 2 at this time.6, reversion starting waste discharge motor 544, pushes away Dynamic sliding rack 54 slides remotely located device 2, and shifting block 504 is embedded in notch 53 and pushes 31 synchronization-sliding of charging ram, push rod 27 along wall slip in inner fovea part 225, to push 21 clamping rod material of fixture block.7, when push rod 27 slides into another inner fovea part 225 When, waste discharge system 5 restores to original state, and waste material separates with 51 phase of feed collet and pass through port 57, and waste material touches elastic slice 55 simultaneously It falls in collecting vessel 56, and starts blanking motor 120 and convey new bar, above step is repeated, to complete holding for bar Continuous automatic conveying.

The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this Within novel design concept, any modification, equivalent replacement, improvement and so on should be included in the protection of the utility model Within the scope of.

Claims (8)

1. a kind of material-pulling device of lathe automatic feeding machine, the pusher being set to including rack (30), sliding on the rack (30) It bar (31) and is opened on the rack (30) and for the discharge port (300) that the charging ram (31) and bar pass through, spy Sign is: the rack (30) the charging ram (31) it is ipsilateral be respectively equipped be parallel to axial the first pusher sprocket wheel (32) and The central axis of second pusher sprocket wheel (33), the second pusher sprocket wheel (33) is fixedly connected with pusher motor (34), and described One pusher sprocket wheel (32) and the second pusher sprocket wheel (33) are connected with the second chain (35), second chain (35) and institute It states and is fixedly connected between charging ram (31) contact (351), the pusher motor (34) is electrically connected with for starting the pusher The pusher of motor (34) switchs (36), the rack (30) the second chain (35) both ends respectively with the pusher motor (34) be electrically connected with for the contact (351) touch and for close the pusher motor (34) the first limit switch (37) and Second limit switch (38).

2. the material-pulling device of lathe automatic feeding machine according to claim 1, it is characterised in that: the rack (30) is in institute It states and is covered with cover plate (371) outside the first limit switch (37), stayed between the cover plate (371) and second chain (35) There is the spacing passed through for the contact (351), the cover plate (371) is L-shaped and is equipped with for first limit switch (37) The strip-shaped hole (372) that is pierced by of connecting rod.

3. the material-pulling device of lathe automatic feeding machine according to claim 2, it is characterised in that: cover plate (371) edge The both ends of charging ram (31) axial direction are inclined away from the charging ram (31) respectively.

4. the material-pulling device of lathe automatic feeding machine according to claim 1, it is characterised in that: the contact (351) point It is not lock on second chain (35) and the charging ram (31) by bolt.

5. the material-pulling device of lathe automatic feeding machine according to claim 1, it is characterised in that: the discharge port (300) Place, which extends to be equipped with, is parallel to the charging ram (31) and towards the discharge barrel of lathe (301).

6. the material-pulling device of lathe automatic feeding machine according to claim 5, it is characterised in that: the rack (30) is in institute It states discharge port (300) and is fixed with metal sensor (302), the metal sensor far from the side of the discharge barrel (301) (302) the pusher motor (34) and the revolving speed for controlling the pusher motor (34), the metal sensor are electrically connected to (302) when detecting metal, slow down the revolving speed of the pusher motor (34).

7. the material-pulling device of lathe automatic feeding machine according to claim 1, it is characterised in that: table on the rack (30) Face is fixed with the locating slot (39) for placing charging ram (31).

8. the material-pulling device of lathe automatic feeding machine according to claim 7, it is characterised in that: locating slot (39) court It is in corresponding arc to the inner wall of the charging ram (31).