CN104384290A - Bar material cutting machine - Google Patents
Bar material cutting machine Download PDFInfo
- Publication number
- CN104384290A CN104384290A CN201410458826.2A CN201410458826A CN104384290A CN 104384290 A CN104384290 A CN 104384290A CN 201410458826 A CN201410458826 A CN 201410458826A CN 104384290 A CN104384290 A CN 104384290A
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- Prior art keywords
- bar
- oil cylinder
- bar material
- frame
- guide
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/006—Feeding elongated articles, such as tubes, bars, or profiles
Abstract
The invention provides a bar material cutting machine, and belongs to the technical field of machine tools. The bar material cutting machine solves the problems that an existing bar material conveying machine is matched with a punching machine and then is used for cutting bar materials, and consequently universality is poor, and the discharging efficiency is low. The bar material cutting machine comprises a rack; a bar material conveying device is arranged on the rack; a bar material feeding mechanism capable of continuously pushing the bar materials to the bar material conveying device is arranged on a bar inlet of the bar material conveying device; the bar material feeding mechanism is arranged on the rack; the speed of bar material pushing by the bar material feeding mechanism is greater than the speed of bar material pushing by the bar material conveying device; rollers of the bar material feeding mechanism slip relative to the bar materials; a main cutter component and a cutting oil cylinder are arranged on a bar outlet of the bar material conveying device; a fixed cutter of the main cutter component is fixed to the rack; a movable cutter of the main cutter component is in sliding connection with the rack; a cylinder body of the cutting oil cylinder is connected with the rack; and a piston rod of the cutting oil cylinder is connected with the movable cutter of the main cutter component through a boosting transmission mechanism. The bar material cutting machine has the advantages of being good in university and high in discharging efficiency.
Description
Technical field
The invention belongs to machine tool technology field, relate to a kind of metal die-cut, particularly a kind of bar material cutter.
Background technology
Whole long-bar metal Bar Splitting System Based is cut into the stub material of Len req so that following process, as cut, being ground to various spare and accessory parts, bar forge hot, cold-heading, car as rivet, bolt, valve, axle class etc.The bar that whole long-bar metal bar comprises metals such as adopting iron, copper or aluminium to make cross section be round or hexangle type etc. is regular.
At present, whole long-bar metal bar batch point is cut into stub material to cut mainly through Presser Dashing or sawing machine sawing completes.Adopt Presser Dashing to cut and there is the problems such as noise is large, labor strength large, stub bar waste is many; Sawing machine sawing mode is adopted to there is inefficiency, saw kerf spillage of material, the drawback of the large grade of saw blade loss.
For this reason, propose a kind of bar feeding machine before applicant and be documented in Chinese patent literature, its application number 201310228722.8; Application publication number CN103273365A.Utilize this bar feeding machine automatically bar can be sent into punch press and through the adjustable length of cutting knife, cut off after bar until punch press and send into preseting length again.Although this bar feeding machine can reduce the labour intensity of workman, this bar feeding machine need mate with punch press; And in actual use, this bar feeding machine can only mate with the punch press of part model, obviously there is the problem of poor universality.Meanwhile, utilize this bar feeding machine to send bar in punch press, the afterbody of bar cannot be sent into, in other words, bar afterbody still needs manually die-cut, still there is the problem affecting blanking efficiency.
Summary of the invention
The object of the invention is to there are the problems referred to above for existing technology, propose a kind of bar material cutter, the technical problem to be solved in the present invention be how to improve bar feeding machine versatility and how to improve blanking efficiency.
Object of the present invention realizes by following technical proposal: this bar material cutter, comprise frame, frame is provided with bar feeding device, it is characterized in that, the excellent mouth place that enters of described bar feeding device is provided with the bar feeding mechanism that bar can be continued to push to bar feeding device, and bar feeding mechanism is arranged in frame; Bar feeding mechanism pushes bar speed and is greater than bar feeding device propelling movement bar speed, and described bar feeding mechanism has roller and roller can skid relative to bar; The rod outlet place of bar feeding device is provided with main cutter assembly and blocks oil cylinder, the stationary knife of main cutter assembly is fixed in frame, the moving knife of main cutter assembly is connected with housing slide, the cylinder body blocking oil cylinder is connected with frame, and the moving knife of the piston rod and main cutter assembly that block oil cylinder is connected by energizing driver structure.
The operation principle of this bar material cutter and step are: first bar first pushes in bar feeding mechanism, and bar continues to push to bar feeding device by bar feeding mechanism, and bar pushes after in bar feeding device, and bar feeding device clamps bar; Now, no matter whether bar feeding device pushes bar, and roller and bar all can produce skidding, after namely bar is clamped by bar feeding device, although bar feeding mechanism continuous service, cannot push bar and advance; Bar whether pushes through main cutter assembly and the bar propelling movement amount of feeding is determined by bar feeding device.
After first bar passes through completely in bar feeding mechanism, just allow second bar to push in bar feeding mechanism.Second bar pushes after in bar feeding mechanism, and second bar continues to push to pay-off direction, until second bar front end face and first bar rear end face lean by bar feeding mechanism; Afterwards, second bar is convenient to first bar and is synchronized with the movement; I.e. first bar motion, second bar also moves, first bar stop motion, second bar also stop motion.
Obviously, this bar material cutter both ensure that the continuity pushing bar effectively, and tailing also can be pushed through main cutter assembly; Effectively eliminate again bar feeding mechanism and push the problem that bar can affect bar propelling movement amount of feeding precision; Effectively improve blanking efficiency again simultaneously.
After bar is pushed through main cutter assembly preseting length by bar feeding device, control to block cylinder action, by the transmission of energizing driver structure, moving knife moves relative to quiet cutter, realizes blocking bar.By the transmission of energizing driver structure, the thrust of moving knife is increased relative to the power output of blocking oil cylinder, in other words, arranges energizing driver structure and significantly reduces the requirement blocking oil cylinder; And then permission will block oil cylinder and main cutter assembly is set directly in frame.Meanwhile, the action of hydraulic oil cylinder driving moving knife is blocked in employing has inertia force relative to Presser Dashing cutter and vibrates little, the advantage that noise is little; Also bar feeding machine and punch press mismatch problem is thoroughly avoided.
In above-mentioned bar material cutter, described energizing driver structure, block oil cylinder and main cutter assembly is arranged on the end face of frame; This structure shortens the length of bar material cutter effectively.
In above-mentioned bar material cutter, described energizing driver structure comprises lever one, lever two and lever three, and lever one and frame are hinged, and one end and the moving knife of lever one are hinged; One end and the frame of lever two are hinged, and one end of lever three and the other end of lever one are hinged, and the other end of lever two, the other end of lever three and the piston rod blocking oil cylinder are hinged at a place.As preferably, the tie point that lever one is connected with moving knife is less than pin joint that lever one is connected with lever three to the spacing of lever one with the pin joint of frame to lever one and the spacing of the pin joint of frame; Lever one also has boosting function thus.
In above-mentioned bar material cutter, bar material cutter also comprises controller, and the oil pipe blocking oil cylinder is in series with the first magnetic valve, and have servomotor in bar feeding device, servomotor and the first magnetic valve are all electrically connected with controller.Control effectively to ensure that bar feeding device pushes bar and blocks the continuity of cylinder action by controller, and then improve blanking efficiency.Controller can be PLC, single-chip microcomputer or CNC.
In above-mentioned bar material cutter, the rod outlet place of described bar feeding mechanism is provided with the sensor whether for detecting rod outlet place with bar; Controller is electrically connected with alarm lamp.If the rod outlet place that sensor detects bar feeding mechanism does not have bar, controller controls alarm lamp flicker and reports to the police, and prompting workman allows to push bar in bar feeding mechanism.If the charging aperture place of bar feeding mechanism is provided with automatic feeding device, so controller also can control automatic feeding plant running according to the signal of sensor, is automatically pushed in bar feeding mechanism by bar.
In above-mentioned bar material cutter, be provided with guidance set between described bar feeding device and main cutter assembly, guidance set has two pieces of guide pads, and guide pad has gathering sill, and two pieces of guide pads are oppositely arranged formation guide channel; Bar feeding device has bar clamp area and two supporters; Main cutter assembly has cut hole; Two pieces of guide pads are connected correspondingly with two supporters, and cut hole is connected by guide channel with bar clamp area.Can not be linked up between the bar clamp area of bar feeding device and the cut hole of main cutter assembly connection, by guidance set, bar clamp area is communicated with cut hole, after bar passes completely through from bar feeding device, tailing is positioned at guide channel, avoids tailing to produce from falling between bar clamp area and cut hole the problem that tailing cannot push through main cutter assembly.
In above-mentioned bar material cutter, this guide pad being made between one piece of described guide pad and corresponding supporter along being connected to close or away from direction movement the guide frame of another block guide pad, between one piece of described guide pad and corresponding supporter, being provided with spring; Described in another block, guide pad is fixedly connected with corresponding supporter; Be connected by the first clamping oil cylinder between two pieces of guide pads, the cylinder body of the first clamping oil cylinder is fixedly connected with guide pad described in another block, and piston rod and one piece of described guide pad lean.Before the main cutter assembly of employing blocks bar, manipulation first clamping cylinder action makes two blocks of guide pad clamping bars, avoids bar bar in truncated process swing and cause the irregular problem of bar truncation surface thus.
In above-mentioned bar material cutter, described moving knife is fixed with the second clamping oil cylinder, the piston rod of the second clamping oil cylinder is fixed with fixture block.Before main cutter assembly blocks bar in employing, manipulation second clamping cylinder action makes moving knife and fixture block acting in conjunction and clamps bar, avoids bar bar swing and cause the irregular problem of bar truncation surface in truncated process thus.This structure also has the advantage can not offset and block oil cylinder power output.
In above-mentioned bar material cutter, guide tipping bucket is provided with below described moving knife, there are in guide tipping bucket two deflector chutes, the guide outlet of two deflector chutes is towards difference, the end face of frame is fixed with a point material oil cylinder, guide tipping bucket is fixedly connected with the piston rod of point material oil cylinder, and the oil pipe of point material oil cylinder is in series with the second magnetic valve, and the second magnetic valve is electrically connected with controller.A deflector chute is used for leading caput and excellent tail waste material, and another deflector chute is used for leading finished product bar; The position of bar head and afterbody can be judged according to the sensor and servomotor rotating cycle, and then can judge that falling material from the cut hole of main cutter assembly is caput and excellent tail waste material or finished product bar; Whether controller is according to property control second magnetic valve falling material thus, realize guide tipping bucket and move, and ensures that the guide attribute of material deflector chute expects that attribute is identical with falling.
In above-mentioned bar material cutter, described bar feeding mechanism comprises the feeding rack be fixed in frame, bar feeding mechanism also comprises at least two wheel carriers in strip, the two ends of each wheel carrier are all positioned with described roller, the middle part of wheel carrier is fixed with rotating shaft, rotating shaft is connected with feeding rack, and feeding rack is provided with first driven unit that all wheel carriers can be driven to swing and the second driven unit being provided with an at least driving roller rotation.Bar passes between the roller of two same wheel carrier, drives wheel carrier pendulum angle realize roller clamping bar and regulate clamping force size by controlling the first driven unit.Second driven unit drives to roll and rotates, and then roller can drive bar to move axially, and realizes bar transportation.
In above-mentioned bar material cutter, described first driven unit comprises first motor identical with wheel carrier quantity, and the housing of the first motor is fixedly connected with feeding rack, and the main shaft of the first motor is connected with rotating shaft; Or described first driven unit comprises a driving oil cylinder, drive the cylinder body of oil cylinder to be fixedly connected with feeding rack, rotating shaft is fixed with gear, feeding rack is positioned with tooth bar, all gears are all meshed with tooth bar; The piston rod of oil cylinder is driven to be fixedly connected with tooth bar.
In above-mentioned bar material cutter, described second driven unit comprises the second motor, and the housing of the second motor is fixedly connected with feeding rack, and the main shaft of the second motor is connected by gear pair with a roller; Or second driven unit comprise the second motor, the housing of the second motor is fixedly connected with feeding rack, and two rollers on a wheel carrier are all connected by the main shaft of gear pair with the second motor, and the direction of rotation of two rollers is contrary.
In above-mentioned bar material cutter, the charging aperture of described bar feeding mechanism is provided with auxiliary cutter assembly, the stationary knife of auxiliary cutter assembly is fixed in frame, and frame is provided with auxiliary crop oil cylinder, and the piston rod of auxiliary crop oil cylinder is also connected by force-increasing mechanism with the moving knife of auxiliary cutter assembly.Specifically, the other end of lever two in the piston rod of crop oil cylinder, energizing driver structure and the other end of lever three is assisted to be hinged at a place.Bar causes bar head-bent by wire drawing, and this bar feeding device can carry bar bending by a small margin; When bar feeding device carries significantly bending bar, produce the problem that feed accuracy declines, when running into the bar that head significantly bends, manipulation assists crop oil cylinder to drive moving knife motion, and then cuts off the head of bar.
Compared with prior art, it is high that this bar material cutter has automaticity, the advantage that blanking velocity is fast, one minute lower about 60 bar of energy.This bar material cutter is less due to the oil cylinder adopted, the advantage such as therefore have low cost of manufacture and operation energy consumption is low.
This bar material cutter also has compact conformation, favorably situated advantage.
Accompanying drawing explanation
Fig. 1 is the plan structure schematic diagram of this bar material cutter.
Fig. 2 is the sectional structure schematic diagram of this bar material cutter.
Fig. 3 be in Fig. 2 A to structural representation.
Fig. 4 be in Fig. 2 B to structural representation.
Fig. 5 is the structural representation of bar feeding mechanism in this bar material cutter.
Fig. 6 is the sectional structure schematic diagram of bar feeding mechanism in this bar material cutter.
Fig. 7 is guide tipping bucket place structural representation in this bar material cutter.
Fig. 8 is partial structurtes enlarged drawing in Fig. 1.
Fig. 9 is the control principle drawing of this bar material cutter.
In figure, 1, frame; 2, bar feeding mechanism; 2a, feeding rack; 2b, wheel carrier; 2c, roller; 2c1, annular panel groove; 2d, the first driven unit; 2e, the second driven unit; 2f, gangbar; 3, bar feeding device; 3a, bar clamp area; 3b, supporter; 3c, servomotor; 4, main cutter assembly; 4a, stationary knife; 4b, moving knife; 4c, cut hole; 5, oil cylinder is blocked; 6, lever one; 7, lever two; 8, lever three; 9, the second clamping oil cylinder; 10, fixture block; 11, guide pad; 12, spring; 13, the first clamping oil cylinder; 14, guide finger; 15, pilot hole; 16, sensor; 17, guide tipping bucket; 17a, deflector chute; 18, material oil cylinder is divided; 19, auxiliary cutter assembly; 20, auxiliary crop oil cylinder; 21, bar.
Detailed description of the invention
Be below specific embodiments of the invention and by reference to the accompanying drawings, technical scheme of the present invention is further described, but the present invention be not limited to these embodiments.
As depicted in figs. 1 and 2, this bar material cutter comprises frame 1, bar feeding mechanism 2, bar feeding device 3, main cutter assembly 4 and blocks oil cylinder 5.
Bar feeding device 3 is for being documented in bar 21 feeder that application publication number in Chinese patent literature is CN103273365A; Bar feeding device 3 is fixed in frame 1.What bar feeding mechanism 2 was arranged on bar feeding device 3 enters excellent mouth place, bar feeding device 3 enter the rod outlet place that excellent mouth place is arranged on bar feeding device 3.
As shown in Figure 5 and Figure 6, bar feeding mechanism 2 comprises the feeding rack 2a be fixed in frame 1.Bar feeding mechanism 2 also comprises at least two wheel carrier 2b in strip, and the quantity that the present embodiment accompanying drawing provides wheel carrier 2b is four.The two ends of each wheel carrier 2b are all positioned with a roller 2c; The middle part of wheel carrier 2b is fixed with rotating shaft, and rotating shaft is connected with feeding rack 2a, and then wheel carrier 2b can swing.Feeding rack 2a is provided with the first driven unit 2d that all wheel carrier 2b can be driven to swing and the second driven unit 2e being provided with an at least driving roller 2c rotation.
First driven unit 2d comprises one and drives oil cylinder, and drive the cylinder body of oil cylinder to be fixedly connected with feeding rack 2a, rotating shaft is fixed with gear, and feeding rack 2a is positioned with tooth bar, and wheel and rack is meshed; The piston rod of oil cylinder is driven to be fixedly connected with tooth bar.Be connected by gangbar 2f between all wheel carrier 2b.
Second driven unit 2e comprises the second motor, and the housing of the second motor is fixedly connected with feeding rack 2a, and the main shaft of the second motor is connected by gear pair with a roller 2c.
According to actual conditions, second driven unit 2e can adopt following scheme to replace: the second driven unit 2e comprises the second motor, the housing of the second motor is fixedly connected with feeding rack 2a, two roller 2c on a wheel carrier 2b are all connected by the main shaft of gear pair with the second motor, and the direction of rotation of two roller 2c is contrary.
The wheel face that roller 2c has annular panel groove 2c1, roller 2c is light face, and employing light face can reduce the frictional force between roller 2c and bar 21, and when avoiding roller 2c and bar 21 to skid, roller 2c sliding injury bar 21.The parts such as feeding rack 2a is box like, roller 2c are positioned at feeding rack 2a, and two relative sidewalls have punishment in advance mouth.
As shown in Figures 2 and 3, the stationary knife 4a of main cutter assembly 4 is fixed in frame 1, and moving knife 4b and the frame 1 of main cutter assembly 4 are slidably connected.The end face of the cylinder body and frame 1 that block oil cylinder 5 is hinged, and the piston rod blocking oil cylinder 5 is connected by energizing driver structure with the moving knife 4b of main cutter assembly 4.Energizing driver structure is also arranged on the end face of frame 1, and this structure can reduce the length of bar material cutter.Specifically, energizing driver structure comprises lever 1, lever 27 and lever 38, and lever 1 and frame 1 are hinged, and one end of lever 1 swings with the moving knife 4b of main cutter assembly 4 and is connected; One end and the frame 1 of lever 27 are hinged, and one end of lever 38 and the other end of lever 1 are hinged, and the other end of lever 27, the other end of lever 38 and the piston rod blocking oil cylinder 5 are hinged at a place.
Moving knife 4b is fixed with second clamping oil cylinder 9, second clamp oil cylinder 9 piston rod on be fixed with fixture block 10.Moving knife 4b has guide post, and guide post overlaps through fixture block 10.
Be provided with guidance set between bar feeding device 3 and main cutter assembly 4, guidance set has two pieces of guide pads 11, and guide pad 11 has gathering sill, and two pieces of guide pads 11 are oppositely arranged formation guide channel; Bar feeding device 3 has bar clamp area 3a and two supporter 3b; Main cutter assembly 4 has cut hole 4c; Two pieces of guide pads 11 are connected correspondingly with two supporter 3b, and cut hole 4c is connected by guide channel with bar clamp area 3a.This guide pad 11 can be made between one piece of guide pad 11 and corresponding supporter 3b to be connected along to close or away from direction movement the guide frame of another block guide pad 11, between one piece of described guide pad 11 and corresponding supporter 3b, to be provided with spring 12; Guide pad 11 described in another block is fixedly connected with corresponding supporter 3b; Be connected by the first clamping oil cylinder 13 between two pieces of guide pads 11, the cylinder body of the first clamping oil cylinder 13 is fixedly connected with guide pad 11 described in another block, and piston rod and one piece of described guide pad 11 lean.Guide frame comprises the pilot hole 15 be opened in strip on supporter 3b and the guide finger 14 be located in pilot hole 15, and guide finger 14 is fixedly connected with guide pad 11.
Bar material cutter also comprises controller, and the oil pipe blocking oil cylinder 5 is in series with the first magnetic valve, and have servomotor 3c in bar feeding device 3, servomotor 3c and the first magnetic valve are all electrically connected with controller.The rod outlet place of bar feeding mechanism 2 is provided with the sensor 16 whether for detecting rod outlet place with bar 21; Controller is electrically connected with alarm lamp.
Guide tipping bucket 17 is provided with below moving knife 4b, there are in guide tipping bucket 17 two deflector chute 17a, the guide outlet of two deflector chute 17a is towards difference, the end face of frame 1 is fixed with point material oil cylinder 18, guide tipping bucket 17 is fixedly connected with the piston rod of point material oil cylinder 18, divide on the oil pipe of material oil cylinder 18 and be in series with the second magnetic valve, the second magnetic valve is electrically connected with controller.
As shown in Figure 2 and Figure 4, the charging aperture of bar feeding mechanism 2 is provided with auxiliary cutter assembly 19, the stationary knife 4a of auxiliary cutter assembly 19 is fixed in frame 1, frame 1 is provided with auxiliary crop oil cylinder 20, and the piston rod of auxiliary crop oil cylinder 20 is also connected by energizing driver structure with the moving knife 4b of auxiliary cutter assembly 19.
By setting forth the process utilizing this bar material cutter bar to be processed into bar, further illustrate principle and the advantage of this bar material cutter.
All need to select whether manipulate auxiliary crop oil cylinder 20 according to this root bar 21 head-bent amplitude before charging, namely select whether cut off bar 21 head according to bar 21 head-bent amplitude.
First, first bar 21 is pushed in bar feeding mechanism 2, drive cylinder action, be with carry-over bar to move successively, tooth bar and rotating shaft rotate, and wheel carrier 2b swings, realize roller 2c and clamp bar 21, this clamping force size is by controlling to drive cylinder piston rod extension elongation to realize regulating.Second motor continues to drive roller 2c to rotate, and then roller 2c drives bar 21 axially-movable, namely pushes to bar feeding device 3.Bar 21 enters in the bar clamp area 3a of bar feeding device 3, starts servomotor 3c and control servomotor 3c rotating cycle after bar feeding device 3 clamps bar 21, realizes controlling bar 21 amount of feeding.In the process, be greater than bar feeding device 3 push bar 21 speed because bar feeding mechanism 2 pushes bar 21 speed, the roller 2c therefore in bar feeding mechanism 2 can skid relative to bar 21.
When bar 21 through main cutter assembly 4 preseting length be cut caput length time, servomotor 3c stops operating.In the process, the roller 2c in bar feeding mechanism 2 continues to skid relative to bar 21.Afterwards, the piston rod of manipulation first clamping oil cylinder 13 ejects, and realizes two pieces of guide pads 11 and clamps bar 21.Meanwhile, the piston rod of manipulation second clamping oil cylinder 9 ejects, and realizes fixture block 10 and clamps bar 21 through main cutter assembly 4 part with moving knife 4b.Then, manipulation is blocked oil cylinder 5 piston rod and is ejected, and piston rod drives lever 27 and lever 38 to swing, and lever 38 activation lever 1 swings, and the moving knife 4b that lever 1 promotes main cutter assembly 4 moves.Until after blocking bar 21, the piston rod retraction of manipulation second clamping oil cylinder 9; The piston rod of the first clamping oil cylinder 13 and the piston rod retraction of the second clamping oil cylinder 9, the stub bar cut falls in a deflector chute 17a of guide tipping bucket 17.This step realizes stub bar amputation.
Then, control servomotor 3c rotating cycle, realize controlling bar 21 amount of feeding; When bar 21 is bar length through main cutter assembly 4 preseting length, servomotor 3c stops operating.Afterwards, the piston rod of manipulation first clamping oil cylinder 13 ejects, and the piston rod of manipulation second clamping oil cylinder 9 ejects, and blocks oil cylinder 5 piston rod and ejects, until after blocking bar 21, and the piston rod retraction of manipulation second clamping oil cylinder 9; The piston rod of the first clamping oil cylinder 13 and the piston rod retraction of the second clamping oil cylinder 9.Before the piston rod retraction of the second clamping oil cylinder 9, a manipulation point material oil cylinder 18 moves, and ensures that the bar cut falls in another deflector chute of guide tipping bucket 17 17a.This step realizes pressing design length blanking.
Then, repeat then step, until bar 21 residue length falls within tailing design length value range; Again, a manipulation point material oil cylinder 18 moves, and ensures that tailing falls in guide tipping bucket 17 1 deflector chute 17a.This step realizes by design length blanking and realizes tailing and be separated with bar.
In the process, after first bar 21 passes through completely in bar feeding mechanism 2, second bar 21 is just allowed to push in bar feeding mechanism 2.
Finally, just second bar 21 is pushed in bar feeding mechanism 2 after first bar 21 passes through completely in bar feeding mechanism 2, bar feeding mechanism 2 clamps and continues to push to bar feeding device 3 direction, until second bar 21 front end face and first bar 21 rear end face lean; Second bar 21 and first bar 21 are synchronized with the movement thus, and in other words, when blocking second bar 21, bar feeding device 3 is opened and holding action without the need to carrying out successively.
Embodiment two
First driven unit 2d comprises first motor, and the housing of the first motor is fixedly connected with feeding rack 2a, and the main shaft of the first motor is connected with a rotating shaft; Be connected by gangbar 2f between all wheel carrier 2b.
Claims (10)
1. a bar material cutter, comprise frame (1), frame (1) is provided with bar feeding device (3), it is characterized in that, the excellent mouth place that enters of described bar feeding device (3) is provided with the bar feeding mechanism (2) that bar (21) can be continued to push to bar feeding device (3), and bar feeding mechanism (2) is arranged in frame (1); Bar feeding mechanism (2) pushes bar (21) speed and is greater than bar feeding device (3) propelling movement bar (21) speed, and described bar feeding mechanism (2) has roller (2c) and roller (2c) can skid relative to bar (21); The rod outlet place of bar feeding device (3) is provided with main cutter assembly (4) and blocks oil cylinder (5), the stationary knife (4a) of main cutter assembly (4) is fixed in frame (1), moving knife (4b) and the frame (1) of main cutter assembly (4) are slidably connected, the cylinder body blocking oil cylinder (5) is connected with frame (1), and the moving knife (4b) of the piston rod and main cutter assembly (4) that block oil cylinder (5) is connected by energizing driver structure.
2. bar material cutter according to claim 1, it is characterized in that, bar material cutter also comprises PLC, the oil pipe blocking oil cylinder (5) is in series with the first magnetic valve, have servomotor (3c) in bar feeding device (3), servomotor (3c) and the first magnetic valve are all electrically connected with PLC; The rod outlet place of described bar feeding mechanism (2) is provided with the sensor (16) whether for detecting rod outlet place with bar (21); PLC is electrically connected with alarm lamp.
3. bar material cutter according to claim 1, it is characterized in that, the charging aperture of described bar feeding mechanism (2) is provided with auxiliary cutter assembly (19), the stationary knife of auxiliary cutter assembly (19) is fixed in frame (1), moving knife and the frame (1) of auxiliary cutter assembly (19) are slidably connected, frame (1) is provided with auxiliary crop oil cylinder (20), and the piston rod of auxiliary crop oil cylinder (20) is also connected by energizing driver structure with the moving knife of auxiliary cutter assembly (19).
4. the bar material cutter according to claim 1 or 2 or 3, it is characterized in that, described energizing driver structure comprises lever one (6), lever two (7) and lever three (8), lever one (6) and frame (1) are hinged, and one end of lever one (6) is the link be connected with moving knife; One end and the frame (1) of lever two (7) are hinged, one end of lever three (8) and the other end of lever one (6) are hinged, and the other end of lever two (7) and the other end of lever three (8) are hinged.
5. the bar material cutter according to claim 1 or 2 or 3, it is characterized in that, guidance set is provided with between described bar feeding device (3) and main cutter assembly (4), guidance set has two pieces of guide pads (11), (11) have gathering sill with guide pad, and two pieces of guide pads (11) are oppositely arranged formation guide channel; Bar feeding device (3) has bar clamp area (3a) and two supporters (3b); Main cutter assembly (4) has cut hole (4c); Two pieces of guide pads (11) are connected correspondingly with two supporters (3b), and cut hole (4c) is connected by guide channel with bar clamp area (3a).
6. bar material cutter according to claim 5, it is characterized in that, one piece of described guide pad (11) is connected along close to another block guide pad (11) or away from direction movement guide frame with making this guide pad (11) between corresponding supporter (3b), and one piece of described guide pad (11) is provided with spring (12) with between corresponding supporter (3b); Described in another block, guide pad (11) is fixedly connected with corresponding supporter (3b); Be connected by the first clamping oil cylinder (13) between two pieces of guide pads (11), the cylinder body of the first clamping oil cylinder (13) is fixedly connected with guide pad (11) described in another block, and piston rod and one piece of described guide pad (11) lean.
7. the bar material cutter according to claim 1 or 2 or 3, it is characterized in that, described moving knife (4b) is fixed with the second clamping oil cylinder (9), the piston rod of the second clamping oil cylinder (9) is fixed with fixture block (10).
8. the bar material cutter according to claim 1 or 2 or 3, it is characterized in that, described bar feeding mechanism (2) comprises the feeding rack (2a) be fixed in frame (1), bar feeding mechanism (2) also comprises at least two wheel carriers (2b) in strip, the two ends of each wheel carrier (2b) are all positioned with described roller (2c), the middle part of wheel carrier (2b) is fixed with rotating shaft, rotating shaft is connected with feeding rack (2a), feeding rack (2a) is provided with first driven unit (2d) that all wheel carriers (2b) can be driven to swing and is provided with the second driven unit (2e) at least driving a roller (2c) to rotate.
9. bar material cutter according to claim 8, it is characterized in that, described first driven unit (2d) comprises first motor identical with wheel carrier (2b) quantity, the housing of the first motor is fixedly connected with feeding rack (2a), and the main shaft of the first motor is connected with rotating shaft; Or described first driven unit (2d) comprises a driving oil cylinder, the cylinder body of oil cylinder is driven to be fixedly connected with feeding rack (2a), rotating shaft is fixed with gear, and feeding rack (2a) is positioned with tooth bar, and all gears are all meshed with tooth bar; The piston rod of oil cylinder is driven to be fixedly connected with tooth bar.
10. the bar material cutter according to claim 1 or 2 or 3, it is characterized in that, described moving knife (4b) below is provided with guide tipping bucket (17), there are in guide tipping bucket (17) two deflector chutes (17a), the guide outlet of two deflector chutes (17a) is towards difference, the end face of frame (1) is fixed with a point material oil cylinder (18), guide tipping bucket (17) is fixedly connected with the piston rod of point material oil cylinder (18), divide on the oil pipe of material oil cylinder (18) and be in series with the second magnetic valve, the second magnetic valve is electrically connected with PLC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410458826.2A CN104384290B (en) | 2014-09-10 | 2014-09-10 | Bar material cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410458826.2A CN104384290B (en) | 2014-09-10 | 2014-09-10 | Bar material cutter |
Publications (2)
| Publication Number | Publication Date |
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| CN104384290A true CN104384290A (en) | 2015-03-04 |
| CN104384290B CN104384290B (en) | 2016-08-31 |
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| CN201410458826.2A Active CN104384290B (en) | 2014-09-10 | 2014-09-10 | Bar material cutter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114799991A (en) * | 2022-04-28 | 2022-07-29 | 台州市良曜成套设备有限公司 | Sliding cutter holder resetting device, resetting method and metal bar material cutting machine |
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| CN104384290B (en) | 2016-08-31 |
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