CN209394077U - A kind of cutting machine traction device of aluminium bar - Google Patents

Abstract

The utility model discloses a kind of cutting machine traction devices of aluminium bar, are related to the processing technique field of aluminium.The device includes a pair of of sliding rail arranged side by side, a pair of supporting for being slidably connected to a pair of of sliding rail respectively, and the side wall of support frame is provided with the movable motor that driving support frame is slided along sliding rail；The upper surface of support frame is rotatably connected to shaft, and the driving mechanism for drive shaft rotation is provided on support frame；The upper end of shaft is horizontally disposed cantilever, and the lower end surface of one of cantilever is higher than the upper surface of another cantilever, and the clamping device for clamping aluminium bar is provided on cantilever.The utility model has the following advantages that and effect: the support frame by the way that crisscross motion is arranged transmits aluminium bar, guarantee that aluminium bar is in always by transmission state, it realizes aluminium bar continuously continual cutting work, improves the rate of cutting of aluminium bar, achieved the effect that high working efficiency.

Description

A kind of cutting machine traction device of aluminium bar

Technical field

The utility model relates to the processing technique field of aluminium, in particular to the cutting machine traction device of a kind of aluminium bar.

Background technique

Aluminium and its alloy have a series of excellent performances, and in the application of metal material, the application of aluminium is only second to steel The application of material, occupies second.Wherein aluminium bar is that the raw material of production aluminum profile needs to cut aluminium bar when producing aluminum profile It is spare at sectional cylindrical body.

Chinese patent CN105290500B discloses a kind of cutter device for aluminium bar, including feeding track, discharging rail Road, cutting saw wheel and roller, further include moving assembly, aluminium bar fixation kit and digital control platform, and moving assembly includes driving Idler wheel and feeding track are rolled the connecting plate and gantry to link together by dynamic motor, idler wheel, and gantry middle portion includes aluminum bar clamping Part, aluminum bar clamping part include that mutually symmetrical with riser is connect with gantry, and the lower part of riser connects " work " block, and " work " block includes Adjusting screw rod and the first groove corresponding with aluminium bar outer rim.

Above-mentioned cutter device when in use, using aluminum bar clamping part clamp aluminium bar after, then by driving motor drive gantry, Aluminum bar clamping part and aluminium bar move synchronously.When transport to cutting saw wheel position, aluminium bar is cut, then driving motor After driving gantry to reset again, next section of aluminium bar is transported again.But after above-mentioned apparatus has cut one end aluminium bar, need to wait gantry And after aluminum bar clamping part resets again, then next section of aluminium bar can be cut, cannot achieve continuous continual cutter Make, reduces working efficiency, have much room for improvement.

Utility model content

The purpose of the utility model is to provide a kind of cutting machine traction device of aluminium bar, the effect with high working efficiency Fruit.

The above-mentioned technical purpose of the utility model has the technical scheme that a kind of cutting machine of aluminium bar With traction device, including a pair of of sliding rail arranged side by side, respectively it is slidably connected to a pair of supporting of a pair of sliding rail, it is described The side wall of support frame is provided with the movable motor that driving support frame as described above is slided along the sliding rail；The upper surface of support frame as described above It is rotatably connected to shaft, the driving mechanism for driving the shaft rotation is provided on support frame as described above；The shaft it is upper End is horizontally disposed cantilever, and the lower end surface of one of them cantilever is higher than the upper surface of another cantilever, described The clamping device for clamping aluminium bar is provided on cantilever.

Whole device is placed in the cooling of aluminium bar when using above-mentioned traction device by using above-mentioned technical proposal Device rear first drives the driving mechanism on one of support frame to work when aluminium bar is cooled to be finished and need to cut, and drives Dynamic mechanism urges shaft rotation, shaft drives cantilever to move towards cooling device direction at this time.Then clamping device folder is recycled After holding aluminium bar, the support frame is driven to move towards cast-cutting saw direction using movable motor.After the support movements to cast-cutting saw Fang Shi drives another support frame to work, i.e., the cantilever rotation on another support frame, and utilizes gripper mechanism grips aluminium bar, Movable motor is recycled to drive the support movements.When the terminal position of the support movements in front to transmission frame, rear Support frame moves to cast-cutting saw position just, is at this time cut the aluminium bar of the supporting framing front end at rear using cast-cutting saw.Together When front support frame on clamping device and cantilever reset, and the support frame at rear drive the aluminium bar that is not cut continue to Preceding movement, the support frame snap back in front is moved and is retracted at this time, is then further continued for work and is clamped to aluminium bar.After until When support movements to the end of transmission frame of side, it is attached that cantilever and clamping device on another support frame move to cast-cutting saw Closely, aluminium bar is cut again.It is successively reciprocal, aluminium bar movement and cutting are pulled always, realize that aluminium bar is continuously continual Work is cut, the rate of cutting of aluminium bar is improved, has achieved the effect that high working efficiency.

The utility model is further arranged to: the cantilever includes the support tube being horizontally placed in the shaft, cunning The dynamic sliding tube for being connected to the support inside pipe wall, the side wall of the support tube, which runs through, lock hole, the side wall of the sliding tube It is evenly arranged with several for being connected to the connecting hole of the lock hole, length direction of several connecting holes along the sliding tube It is uniformly distributed, the support pipe outer wall is provided with the lockplate for wearing the lock hole and connecting hole, the lockplate One end be provided with the baffle for pushing against support tube side side wall, the other end is provided with a pair of another for hooking the support tube The elastic fastening hook of side side wall.

It is pressed by using above-mentioned technical proposal when needing to adjust the length of cantilever according to the aluminium bar of different size model Dynamic a pair of elastic fastening hook is close to each other, after then pushing in a pair of of elastic fastening hook insertion lock hole, then baffle is pulled to drive locking Plate moves out, and lockplate drives elastic fastening hook to slide in and out along lock hole inner wall.Until elastic fastening hook completely disengages fixation Kong Shi can pull sliding tube along support inside pipe wall sliding.Until when being of convenient length of sliding tube, elastic fastening hook is inserted again Enter in lock hole, then baffle is pushed to drive lockplate and elastic fastening hook counter motion.Until baffle contacts at the one of support tube When the side wall of side, elastic fastening hook is detached from lock hole just, and flicks and hook support tube other side side wall, realizes the locking of sliding tube. So that cantilever can adapt to the aluminium bar of different size model, and the adjustment process of cantilever is convenient and efficient.

The utility model is further arranged to: the lockplate runs through with the baffle sidewall interconnected fixation Hole slidably connects fixed link in the fixation hole, and one end of the fixed link is provided with pull ring, and the other end is provided with a pair Connecting rod, a pair of connecting rod are hingedly connected to the inner sidewall of a pair of elastic fastening hook.

By using above-mentioned technical proposal, when dismantling lockplate and elastic fastening hook, pull pull ring drive fixed link to Outer movement, fixed link pull the end of a pair of of connecting rod close to each other, and connecting rod pulls the end of a pair of of elastic fastening hook mutually to lean on Closely, until lockplate and elastic fastening hook can be pulled outside when elastic fastening hook is detached from support pipe outer wall and insertion lock hole Movement, so that the disengaging process of elastic fastening hook is more convenient, so that the adjustment process of cantilever is lighter.

The utility model is further arranged to: the upper and lower end face of the sliding tube, which is run through, multiple interconnected leakages Hole.

By using above-mentioned technical proposal, mitigate the weight of entire cantilever by the way that leak hole is arranged, reduces cantilever to shaft Active force avoids cantilever from Bending Deformation phenomenon occur, extends the service life of cantilever.Simultaneously by setting cantilever to descend slowly and lightly to Aluminium skimmings on cantilever can be discharged along leak hole, improve the clean and tidy degree of cantilever.

The utility model is further arranged to: the driving mechanism includes a pair of setting with support frame as described above upper surface Position-limiting tube, the horizontal sliding bar for being slidably connected to the position-limiting tube, the upper surface of support frame as described above are provided with the driving sliding The first cylinder that bar moves back and forth, the middle part of sliding channel of the sliding bar are provided with rack gear, and the outer wall of the shaft is provided with and institute State rack gear meshed gears.

Start the first gas when needing to rotate using above-mentioned driving mechanism driving cantilever by using above-mentioned technical proposal Cylinder working, the first cylinder push sliding bar sliding, and sliding bar drives rack movement, the gear and turn that rack drives engage Axis rotation, shaft drives cantilever rotation at this time.Driving mechanism it is simple for structure, driving process it is convenient and efficient.

The utility model is further arranged to: the clamping device include the mounting plate for being set to the cantilever end, It is vertically arranged at the second cylinder of the mounting plate inner sidewall, is provided on the piston rod of second cylinder positioned at the installation Grip block below plate；It is provided with fixing seat on the cantilever, horizontally rotates in the fixing seat and is connected with rotation axis, it is described outstanding It is provided with the third cylinder for driving the rotation axis rotation on arm, is provided with above the grip block in the rotation axis Compact heap.

By using above-mentioned technical proposal, when using gripper mechanism grips aluminium bar, the second cylinder of starting drives grip block It moves upwards, until driving third cylinder drives rotation axis rotation, rotation axis band dynamic pressure after grip block contradicts aluminium bar lower end outer wall Tight block moves downward.Until being pressed using compact heap and grip block aluminium bar when compact heap contradicts the upper end outer wall of aluminium bar Tightly, the clamping of aluminium bar is realized.Clamping device it is simple for structure, and can effectively clamp aluminium bar.

The utility model is further arranged to: the compact heap includes multiple being slidably connected to the rotation axis outer wall The compressor arm of ring body, the arc-shaped being set in the ring body, the rotation axis outer wall are provided with the baffle ring contradicted for ring body, and And also it is threaded with the clamp nut for pushing against the ring body side wall.

By using above-mentioned technical proposal, when compact heap moves downward, rotation axis drives ring body rotation, ring body band dynamic pressure Tight bar moves downward, and the upper end outer wall of aluminium bar is compressed by compressor arm.Because compressor arm in arc-shaped, can increase and aluminium The contact area of stick reduces the pressure to aluminium bar outer wall, avoids aluminium bar surface by crushing.When needs are according to different diameter specifications Aluminium bar when adjusting the size of entire compact heap, after unscrewing clamp nut, by the number for increasing or decreasing ring body and compressor arm Amount, realizes the big minor adjustment of compact heap, then screws clamp nut and ring body is fixed.So that compact heap is big It is small any adjusting to be carried out according to the diameter or model of aluminium bar, allow the compact heap to adapt to the aluminium of multiple diameter specification Stick.

The utility model is further arranged to: the lower end outer wall of the mounting plate is horizontally disposed the 4th cylinder, described Push plate is provided on the piston rod of 4th cylinder, the lower end outer wall of the push plate contacts at the side wall of the grip block.

By using above-mentioned technical proposal, after aluminium bar is cut, starts the 4th cylinder, pushed using the 4th cylinder Push plate moves out, and aluminium bar is pushed away entire clamping device by push plate at this time, so that aluminium bar falls to collecting region automatically.Realize aluminium bar Automatic blanking, achieve the effect that high automation and high working efficiency.

In conclusion the utility model has the following beneficial effects:

1. transmitting by the support frame that crisscross motion is arranged to aluminium bar, guarantee that aluminium bar is in always by transmission state, It realizes aluminium bar continuously continual cutting work, improves the rate of cutting of aluminium bar, achieved the effect that high working efficiency；

2. allow cantilever to adapt to the aluminium bar of different size model by the cantilever of setting adjustable length, and The adjustment process of cantilever is convenient and efficient；

3. by the compact heap of setting adjustable size, further such that entire clamp structure can adapt to different-diameter The aluminium bar of specification size；

4. realizing the automatic blanking of aluminium bar by setting push plate, save manually, improve work efficiency, reaches high automatic The effect of change and high working efficiency.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of embodiment；

Fig. 2 is the structural schematic diagram of the support frame of embodiment；

Fig. 3 is the structural schematic diagram of the clamping device of embodiment；

Fig. 4 is the structural schematic diagram of the push plate of embodiment；

Fig. 5 is the structural schematic diagram of the compact heap of embodiment；

Fig. 6 is the structural schematic diagram of the cantilever of embodiment；

Fig. 7 is the structural schematic diagram of the lockplate of embodiment.

Appended drawing reference: 1, sliding rail；2, support frame；21, movable motor；22, shaft；23, the first cylinder；24, gear；3, it hangs Arm；31, third cylinder；32, support tube；33, sliding tube；34, leak hole；35, lock hole；36, connecting hole；4, driving mechanism；41, Position-limiting tube；42, sliding bar；43, rack gear；5, clamping device；51, mounting plate；52, the second cylinder；53, grip block；54, the 4th gas Cylinder；55, push plate；6, fixing seat；61, rotation axis；62, baffle ring；63, clamp nut；7, compact heap；71, ring body；72, compressor arm； 8, lockplate；81, baffle；82, elastic fastening hook；9, fixation hole；91, fixed link；92, pull ring；93, connecting rod.

Specific embodiment

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

As shown in Figure 1, a kind of cutting machine traction device of aluminium bar, including a pair of of sliding rail 1 arranged side by side, respectively slide It is connected to a pair of supporting 2 of a pair of of sliding rail 1, the side wall of support frame 2 is provided with the row that driving support frame 2 is slided along sliding rail 1 Walk motor 21.

As shown in Figure 1 and Figure 2, the upper surface of support frame 2 is rotatably connected to shaft 22, and the upper end of shaft 22 is horizontally disposed to be had Cantilever 3, the lower end surface of one of cantilever 3 are higher than the upper surface of another cantilever 3.It is provided on support frame 2 and turns for driving The driving mechanism 4 that axis 22 rotates is provided with the clamping device 5 for clamping aluminium bar on cantilever 3.

When using above-mentioned traction device, whole device is placed in the cooling device rear of aluminium bar, and cast-cutting saw is put It is put at the medium position of sliding rail 1.When aluminium bar is cooled to be finished and need to cut, first drive on one of support frame 2 Driving mechanism 4 works, and driving mechanism 4 pushes shaft 22 to rotate, and shaft 22 drives cantilever 3 to transport towards cooling device direction at this time It is dynamic.Then after recycling clamping device 5 to clamp aluminium bar, the support frame 2 is driven to transport towards cast-cutting saw direction using movable motor 21 It is dynamic.

When support frame 2 moves to cast-cutting saw rear position, the driving mechanism 4 on another support frame 2 is driven to work, i.e., So that the cantilever 3 on the support frame 2 rotates, and clamps aluminium bar using clamping device 5, movable motor 21 is recycled to drive the support Frame 2 moves.When support frame 2 when front moves to the terminal position of transmission frame, the support frame 2 at rear moves to cast-cutting saw just The aluminium bar of 2 front end of support frame at rear is at this time cut using cast-cutting saw in position.

At the same time, the clamping device 5 on front support frame 2 unclamps aluminium bar, then entire clamping device 5 and cantilever 3 It resets completely, while the support frame 2 at rear drives the aluminium bar not cut to move forward.The support frame 2 in front is fast simultaneously Fast counter motion is simultaneously retracted, and is then further continued for work and is clamped to aluminium bar.Until the support frame 2 at rear moves to transmission frame When end, cantilever 3 and clamping device 5 on another support frame 2 move near cast-cutting saw again, carry out again to aluminium bar Cutting.It is successively reciprocal, aluminium bar movement and cutting are pulled always, realize aluminium bar continuously continual cutting work.

As shown in Fig. 2, driving mechanism 4 includes that setting is slidably connected with a pair of of position-limiting tube 41 of 2 upper surface of support frame, level In the sliding bar 42 of position-limiting tube 41, the upper surface of support frame 2 is provided with the first cylinder 23 that driving sliding bar 42 moves back and forth, sliding The middle part of sliding channel of lever 42 is provided with rack gear 43, and the outer wall of shaft 22 is provided with and 43 meshed gears 24 of rack gear.

When needing to rotate using above-mentioned driving mechanism 4 driving cantilever 3, starting the first cylinder 23 work, the first cylinder 23 Piston rod extend and sliding bar 42 pushed to slide, sliding bar 42 is moved with carry-over bar 43, and rack gear 43 drives the tooth that engages Wheel 24 and shaft 22 rotate, and shaft 22 can drive cantilever 3 to rotate at this time.

As shown in figure 3, clamping device 5 includes the mounting plate 51 for being set to 3 end of cantilever, is vertically arranged in mounting plate 51 Second cylinder 52 of side wall is provided with the grip block 53 positioned at 51 lower section of mounting plate on the piston rod of the second cylinder 52；On cantilever 3 It is provided with fixing seat 6, horizontally rotates in fixing seat 6 and is connected with rotation axis 61, driving rotation axis 61 is provided on cantilever 3 and is rotated Third cylinder 31, the compact heap 7 being provided in rotation axis 61 above grip block 53.

When clamping aluminium bar using clamping device 5, start the second cylinder 52, the piston rod of the second cylinder 52 retracts, and band Dynamic grip block 53 moves upwards, until after grip block 53 contradicts aluminium bar lower end outer wall, then third cylinder 31 is driven to work, and at this time the The piston rod of three cylinders 31 retracts, and rotation axis 61 is driven to rotate, and rotation axis 61 drives compact heap 7 to move downward.Until compressing When block 7 contradicts the upper end outer wall of aluminium bar, aluminium bar is compressed using compact heap 7 and grip block 53, realizes the clamping of aluminium bar.

As shown in figure 4, the lower end outer wall of mounting plate 51, which is horizontally disposed with, the 4th cylinder 54, on the piston rod of the 4th cylinder 54 It is provided with push plate 55, the lower end outer wall of push plate 55 contacts at the side wall of grip block 53.

After aluminium bar is cut, start the 4th cylinder 54, the elongation of the 4th cylinder 54, and push push plate 55 to outward transport Dynamic, push plate at this time 55 pushes aluminium bar movement, and then aluminium bar is pushed away entire clamping device 5, so that aluminium bar falls to collection automatically Area realizes the automatic blanking of aluminium bar.

As shown in figure 5, compact heap 7 includes multiple ring bodies 71 for being slidably connected to 61 outer wall of rotation axis, is set to ring body 71 On arc-shaped compressor arm 72,61 outer wall of rotation axis is provided with the baffle ring 62 contradicted for ring body 71, and is also threaded with For pushing against the clamp nut 63 of 71 side wall of ring body.

When needing to adjust the size of entire compact heap 7 according to the aluminium bar of different diameter specifications, clamp nut 63 is first unscrewed Afterwards, by increasing or decreasing the quantity of ring body 71 and compressor arm 72, the big minor adjustment of compact heap 7 can be realized.Then it revolves again Tight clamp nut 63, is fixed ring body 71 using clamp nut 63, allows the size of compact heap 7 according to the straight of aluminium bar Diameter or model carry out any adjusting.

As shown in fig. 6, cantilever 3 includes the support tube 32 being horizontally placed on shaft 22 (referring to fig. 2), is slidably connected to branch The sliding tube 33 of 32 inner wall of stay tube, the upper and lower end face of sliding tube 33, which is run through, multiple interconnected leak holes 34.Support tube 32 For side wall through there is lock hole 35, the side wall of sliding tube 33 is evenly arranged with several connecting holes 36 for being used to be connected to lock hole 35, Several connecting holes 36 are uniformly distributed along the length direction of sliding tube 33.

As shown in fig. 6,32 outer wall of support tube is provided with the lockplate 8 for wearing lock hole 35 and connecting hole 36, lock One end of fixed board 8 is provided with the baffle 81 for pushing against 32 side side wall of support tube, and the other end is provided with a pair of for hooking support tube The elastic fastening hook 82 of 32 other side side walls.

As schemed shown in *, lockplate 8 and 81 side wall of baffle are through there is interconnected fixation hole 9, and sliding connects in fixation hole 9 It is connected to fixed link 91, one end of fixed link 91 is provided with pull ring 92, and the other end is provided with a pair of of connecting rod 93, a pair of of connecting rod 93 are hingedly connected to the inner sidewall of a pair of of elastic fastening hook 82.

When needing to adjust the length of cantilever 3 according to the aluminium bar of different size model, first pull ring 92 is pulled to drive fixed link 91 move out along 9 inner wall of fixation hole, and fixed link 91 pulls the end of a pair of of connecting rod 93 close to each other, at this time connecting rod 93 Pull the end of a pair of of elastic fastening hook 82 close to each other.Until elastic fastening hook 82 is detached from 32 outer wall of support tube and insertion lock hole When in 35, then pull baffle 81 that lockplate 8 is driven to move out, lockplate 8 drives elastic fastening hook 82 along 35 inner wall of lock hole It slides in and out, lockplate 8 can be taken out at this time.Then sliding tube 33 can be pulled to slide along 32 inner wall of support tube.

Until when being of convenient length of sliding tube 33, elastic fastening hook 82 is reinserted in lock hole 35, then push baffle 81 Drive lockplate 8 and 82 counter motion of elastic fastening hook.Until when baffle 81 contacts at the side side wall of support tube 32, elastic card Hook 82 is detached from the lock hole 35 on support tube 32 just, and flicks the other side side wall for hooking support tube 32, realizes sliding tube 33 Locking.So that cantilever 3 can adapt to the aluminium bar of different size model.

Working principle: when using above-mentioned traction device transmission aluminium bar, the driving machine on one of support frame 2 is first driven Structure 4 works, and drives cantilever 3 to rotate using driving mechanism 4.Then after recycling the clamping device 5 on cantilever 3 to clamp aluminium bar, benefit The support frame 2 is driven to move towards cast-cutting saw direction with movable motor 21.When the support frame 2 moves to cast-cutting saw rear, separately Cantilever 3 and clamping device 5 on one support frame 2 work, and recycle movable motor 21 that the support frame 2 is driven to drive aluminium bar Movement.

When support frame 2 when front moves to the terminal position of transmission frame, the support frame 2 at rear moves to cutting just Position is sawed, is at this time cut the aluminium bar of 2 front end of support frame at rear using cast-cutting saw.Folder on front support frame 2 simultaneously It holds mechanism 5 and cantilever 3 resets, and the support frame 2 at rear drives the aluminium bar not cut to move forward, at this time front 2 snap back of support frame move and retract, be then further continued for work and aluminium bar clamped.It is successively reciprocal, aluminium is pulled always Aluminium bar continuously continual cutting work is realized in rod motion and cutting.Specific embodiment is only the solution to the utility model It releases, is not limitations of the present invention, those skilled in the art can according to need pair after reading this specification The present embodiment makes the modification of not creative contribution, but as long as all by patent in the scope of the claims of the utility model The protection of method.

Claims (8)

1. a kind of cutting machine traction device of aluminium bar, it is characterised in that: including a pair of of sliding rail (1) arranged side by side, respectively slide Dynamic a pair of supporting (2) for being connected to a pair of sliding rail (1), the side wall of support frame as described above (2) are provided with the driving support The movable motor (21) that frame (2) is slided along the sliding rail (1)；The upper surface of support frame as described above (2) is rotatably connected to shaft (22), the driving mechanism (4) for driving the shaft (22) to rotate is provided on support frame as described above (2)；The shaft (22) Upper end it is horizontally disposed have cantilever (3), and the lower end surface of one of them cantilever (3) is higher than another described cantilever (3) Upper surface, the clamping device (5) for clamping aluminium bar is provided on the cantilever (3).

2. a kind of cutting machine traction device of aluminium bar according to claim 1, it is characterised in that: cantilever (3) packet Include the support tube (32) being horizontally placed on the shaft (22), the sliding tube for being slidably connected to the support tube (32) inner wall (33), through having lock hole (35), the side wall of the sliding tube (33) is evenly arranged with several the side wall of the support tube (32) For being connected to the connecting hole (36) of the lock hole (35), length side of several connecting holes (36) along the sliding tube (33) To being uniformly distributed, support tube (32) outer wall is provided with the locking for wearing the lock hole (35) and connecting hole (36) Plate (8), one end of the lockplate (8) are provided with the baffle (81) for pushing against support tube (32) side side wall, and the other end is set It is equipped with a pair of for hooking the elastic fastening hook (82) of the support tube (32) other side side wall.

3. a kind of cutting machine traction device of aluminium bar according to claim 2, it is characterised in that: the lockplate (8) With the baffle (81) side wall through having interconnected fixation hole (9), fixed link is slidably connected in the fixation hole (9) (91), one end of the fixed link (91) is provided with pull ring (92), and the other end is provided with a pair of of connecting rod (93), described in a pair Connecting rod (93) is hingedly connected to the inner sidewall of a pair of elastic fastening hook (82).

4. a kind of cutting machine traction device of aluminium bar according to claim 3, it is characterised in that: the sliding tube (33) Upper and lower end face through there is multiple interconnected leak holes (34).

5. a kind of cutting machine traction device of aluminium bar according to claim 1, it is characterised in that: the driving mechanism It (4) include being arranged to be slidably connected to the position-limiting tube (41) with a pair of of position-limiting tube (41) of support frame as described above (2) upper surface, level Sliding bar (42), the upper surface of support frame as described above (2) is provided with the first cylinder for driving the sliding bar (42) to move back and forth (23), the middle part of sliding channel of the sliding bar (42) is provided with rack gear (43), and the outer wall of the shaft (22) is provided with and the tooth Item (43) meshed gears (24).

6. a kind of cutting machine traction device of aluminium bar according to claim 1, it is characterised in that: the clamping device (5) include the mounting plate (51) for being set to the cantilever (3) end, be vertically arranged at the second of the mounting plate (51) inner sidewall Cylinder (52), the grip block (53) being provided on the piston rod of second cylinder (52) below the mounting plate (51)； It is provided with fixing seat (6) on the cantilever (3), horizontally rotates on the fixing seat (6) and be connected with rotation axis (61), the cantilever (3) it is provided with the third cylinder (31) for driving rotation axis (61) rotation on, is provided on the rotation axis (61) positioned at institute State the compact heap (7) above grip block (53).

7. a kind of cutting machine traction device of aluminium bar according to claim 6, it is characterised in that: the compact heap (7) Including multiple ring bodies (71) for being slidably connected to the rotation axis (61) outer wall, the arc-shaped being set on the ring body (71) Compressor arm (72), rotation axis (61) outer wall is provided with the baffle ring (62) contradicted for ring body (71), and is also threaded with For pushing against the clamp nut (63) of the ring body (71) side wall.

8. a kind of cutting machine traction device of aluminium bar according to claim 6, it is characterised in that: the mounting plate (51) Lower end outer wall it is horizontally disposed have the 4th cylinder (54), be provided with push plate (55) on the piston rod of the 4th cylinder (54), institute The lower end outer wall for stating push plate (55) contacts at the side wall of the grip block (53).