CN2175656Y

CN2175656Y - Cutting device for stick

Info

Publication number: CN2175656Y
Application number: CN 93242521
Authority: CN
Inventors: 王培成; 王德康
Original assignee: ZHENXING MACHINE PLANT ZHUJI CITY
Current assignee: ZHENXING MACHINE PLANT ZHUJI CITY
Priority date: 1993-10-20
Filing date: 1993-10-20
Publication date: 1994-08-31
Anticipated expiration: 2003-10-20

Abstract

The utility model relates to a cutting device for stick materials, which belongs to the improvement of the prior art. The original circular cut-off tool is changed into a cut-off tool with U-shaped cutting edges, and the original feeding device is provided with electric control and synchronous transfer, which achieves the purpose of fast adjustability. The utility model is also a bilateral stick material straightening device that combines two unidirectional stick material straightening devices. The utility model, therefore, has the characteristics of reasonable structure, convenient operation, good safety, high speed, high efficiency, adjustable cutting length, etc.

Description

Cutting device for stick

The utility model relates to the be parallel to each other shear that cuts of blade of motion of a kind of usefulness, a motion blade and the shear that fixed blade carries out the bar cutting are particularly arranged.

Existing Cutting stick device is mainly by power set, transmission device, shearing device, compositions such as pay-off and bar coalignment.By motor as power, give rotating spindle by belt transmission with transmission of power, on rotating spindle, be fixed with the cut-out cam, the place ahead of this cut-out cam is provided with the cut-out planker that can move and be equipped with tool rest on frame, be fixed with round cutting off tool on the tool rest, on this corresponding frame in cutting off tool the place ahead, be set with fixed cutting tool.Cutting stick place one side is provided with pay-off, the transmission of power of this pay-off derives from rotating spindle, promote to be placed in roller on the feeding planker by being installed on external cam on the rotating spindle, make the motion of feeding planker, on the feeding planker, movable connecting rod is installed, this movable connecting rod connects with a triangular form centering block in the box for feeding odd again, ratchet is housed on centering block, ratchet, and the engagement of the feeding gear by carrier gear and feeding wheel face, like this when external cam with rotating spindle work one-period, the feeding planker just can move back and forth once, and centering block just turns over certain angle, simultaneously ratchet, carrier gear, feeding gear, drawing-inroller also turn over respective angles, thereby realize bar is sent into a cut-out mouthful position.On sending into frame on the direction, the opposite side bar of drawing-inroller is mounted with the bar coalignment, it have three activity alignments wheel and four fixedly alignment take turns and be staggered on alignment plate separately, the alignment plate that fixedly alignment wheel is installed is fixed on the frame 1, another is equipped with alignment the plate straight pin and the fixedly alignment plate contraposition of activity alignment wheel, between the two alignment plates spring is arranged, clamp handwheel and regulate distance between two alignment plates by being offset to two on the activity alignment plate, reach alignment purpose bar.Delivering to cut-out mouthful position under the two drawing-inroller clamped conditions through the bar after the alignment of bar coalignment is cut off under the swing of cut-out planker by movable cutter; Here cut off planker and move forward cutting off under the cam effect, and the big extension spring effect that is connected in frame thereon down and retreat, thereby realize moving forward and backward, periodic duty and finish continuous cutting-off bar.The Cutting stick device of said structure is owing to adopt round cutter that bar is cut off, its cutting-off process is staticly to wait feeding → Cutting stick → waits to take off to expect cam will cut off bar to eject the edge of a knife → reset, in said process, the lift of Cutting stick cam requires big, be pressed for time, the noise of operation is big, therefore just seems difficult for raising speed, and the adjustment of cutting off tool is also relatively more difficult.Secondly the pay-off of bar adopts the mechanical transfer method, by connecting rod, centering block, and composition such as ratchet, ratchet, whenever rotating spindle rotates a week, just drive the drawing-inroller action once by above-mentioned mechanical transfer mechanism, be feeding once, so it has determined the consistency of feed length, generally can only a machine one specification, the bar length of cutting off is nonadjustable, if will change above-mentioned feed length is very difficult, and this has just limited the versatility of this machine, has brought trouble to the user.Once more, the coalignment of above-mentioned shearing device only adopts unidirectional alignment, promptly adopt one group to be in conplane some alignment wheel formations, in the Cutting stick process, sometimes bar can turn over an angle, at this moment unidirectional coalignment just can't satisfy the alignment to bar, and therefore, the bar linearity that this shearing device is cut can't guarantee.

The purpose of this utility model is in order to overcome the deficiency of above-mentioned existence, and a kind of high speed, quick, the length-adjustable Cutting stick device of bar are provided.

The purpose of this utility model is finished by following technical solution, is mounted with the cutting off tool of the u type edge of a knife on the tool rest that cuts off planker; Be fixed with signal panels on the rotating spindle of transmission device, fixed in position has signal of telecommunication switch and links to each other with controllor for step-by-step motor on its corresponding position, drives the drawing-inroller that is attached thereto by stepper motor by the gear pair transmission and rotates synchronously.

The utility model is provided with the two-way straightening device at the rear portion of pay-off, and its formation is that the orthogonal thereto front and back of two unidirectional coalignments are settled, and promptly the alignment wheel plan-position in two unidirectional coalignments is mutually quadrature and settles.

Description of drawings is as follows:

Fig. 1 is a structural representation of the present utility model.

Fig. 2 is a Cutting stick structural representation of the present utility model.

Fig. 3 is a feeding structural representation of the present utility model.

Fig. 4 is a bar alignment structure schematic diagram of the present utility model.

Below will the utility model is further introduced: Fig. 1 by accompanying drawing, transmission of power is placed on the rotating spindle 2 of frame 1 by belt drive unit by motor, one end of main shaft 2 is fixed with and cuts off cam 4, the cut-out planker 5 that the place ahead of this cut-out cam 4 has on frame of being placed in 1 and can move forward and backward, cut off two extension springs 6 of planker 5 usefulness and link to each other, make and cut off planker 5 homing under the effect of extension spring 6 with frame 1 rear portion.Cut off on front end (direction of motion) tool rest of planker 5, fixed in position has the cutting off tool 7 of the u type edge of a knife, see accompanying drawing 2, cutting off cam 4 is connected on the rotating spindle 2, its edge is close on the pulley 8 that cuts off planker 5 rear portions, cut off planker 5 tops and frame 1 afterbody and be close to extension spring 6, this cuts off planker 5 can front and back slippage on frame 1.The u type edge of a knife of cutting off tool 7 just is positioned at the discharging opening place of pay-off.

Be mounted with signal panels 9 on the rotating spindle 2, a signal of telecommunication switch is installed on its corresponding position, this signal of telecommunication switch links to each other with electric machine controller, by 10 work of motor controller controls stepper motor, these stepper motor 10 fixed in position are on frame 1, see accompanying drawing 3, be equipped with gear 11 on the motor shaft, and link to each other with a pair of drawing-inroller 13 by idler gear 12, the centre of two drawing-inrollers 13 is the bar transfer passage, bar is clamped drawing-inroller 13 by this and is admitted to off-position, and when 2 one weeks of rotation of main shaft, cut-out cam 4 just promotes to cut off planker 5 and makes a round trip, the signal panels 9 that correspondingly are fixed on the rotating spindle 2 also rotate a week, its corresponding signal of telecommunication switch of settling just can be exported a signal of telecommunication and give electric machine controller, sends pulsed quantity control step motor step elongation by electric machine controller again, to reach predetermined feed length.

The utility model also can be mounted with identical signal of telecommunication switch at the off-position place, and the signal of telecommunication switch corresponding with signal panels is in series, work as feed length partially in short-term like this, the output signal of telecommunication, stepper motor 10 is quit work and brake, electromagnetic clutch 14 is installed on rotating spindle 2 again, is made stepper motor 10 that rotating spindle 2 can be braked rapidly.

One paraphysis material throughput direction of pay-off is provided with two-way bar coalignment, and it is mainly settled by two unidirectional coalignment 15 orthogonal thereto orientation.Concrete structure is seen accompanying drawing 4, by the two alignment plates 16 that crash, about two clamp handwheels 17, and two groups of alignment wheels 18 on the two alignment plates that are placed in have constituted a unidirectional bar coalignment, an alignment plate 16 is fixed on the frame 1, another alignment plate 16 usefulness straight pins 19 and fixedly alignment plate 16 contrapositions, between the two alignment plates 16 spring 20 is arranged, two clamp handwheel 17 is offset on activity alignment plate 16 limits, two groups of alignment plates 18 stagger in twos, bar passes among two groups of alignments wheel 18, and four alignment wheels 18 are placed in fixedly on the alignment plate 16, and three alignments are taken turns 18 and are placed on the activity alignment plate 16 in addition, rotation clamps handwheel 17, activity alignment plate is drawn close to fixing alignment plate, and two groups of alignments wheels 18 are close mutually simultaneously, make the bar that is clamped in wherein reach the purpose of alignment.On the basis of above-mentioned unidirectional bar swage, the bar throughput direction is provided with the swage of same structure, the orthogonal thereto connection in the position of these two swages, promptly alignment wheel plan-position separately is mutually the quadrature arrangement, thereby constituted two-way bar coalignment, when bar is sent into, can realize two-way straightening bar.For reducing the frictional resistance when the alignment, and the alignment wheel can be rotated flexibly, rolling bearing is installed at alignment wheel endoporus.

Among Fig. 1,20 are fixing tool rest, and 21 is movable jacking block, and 22 is bar.

Among Fig. 2,23 is tension spring hook, and 24 for the extension spring post, and 25 be left and right rail, and 26 be the movable blade holder, and 27 for adjusting screw rod, and 28 is the fixing edge of a knife, and 29 is fixing tool rest.

The utility model compared with prior art has rational in infrastructurely, easy to use, safe, at a high speed, efficiently, and characteristics such as blank length is adjustable, and is applied widely are that a kind of desirability to prior art is improved product.

Claims

1, a kind of Cutting stick device, it is driven by transmission device by motor, and to be placed in the cut-out planker that has tool rest on the frame reciprocating, also be provided with bar conveying device and unidirectional bar coalignment on the frame, it is characterized in that cutting off the cutting off tool (7) that is mounted with the u type edge of a knife on the tool rest of planker (5); On the rotating spindle (2) of transmission device, be fixed with signal panels (9), fixed in position has signal of telecommunication switch and is connected with controllor for step-by-step motor on its corresponding position, drives the drawing-inroller (13) that is attached thereto by stepper motor (10) by the gear pair transmission and rotates synchronously.

2, Cutting stick device as claimed in claim 1 is characterized in that described pay-off rear portion is provided with to be mutually quadrature by combination before and after two unidirectional bar coalignments (15) and the wheel of alignment separately (18) plan-position and to settle and form.