CN2304486Y

CN2304486Y - Material feeding mechanism of steel bar straightening and cutting apparatus

Info

Publication number: CN2304486Y
Application number: CN 96203856
Authority: CN
Inventors: 曲海涛
Original assignee: Individual
Current assignee: Individual
Priority date: 1996-02-06
Filing date: 1996-02-06
Publication date: 1999-01-20
Anticipated expiration: 2006-02-06

Abstract

The utility model discloses a material feeding trough mechanism used on a steel bars straightening and cutting machine. The material feeding trough mechanism is composed of a material carrying device, a length controlling device, a blanking device, and a plurality of groups of rollers installed on blocks of angle steel or blocks of channel steel. The multiple groups of rollers form a material feeding trough, which causes that rolling friction is generated between a steel bar which enters the material feeding trough and the material feeding trough, and simultaneously, the operations of carrying material, cutting for a fixed length and blanking are carried out on the steel bar.

Description

Concrete-bar straightening-cutting machine award hopper mechanism

The utility model relates to a kind of being used for and awards hopper mechanism on the concrete-bar straightening-cutting machine, works material, fixed length, retainer and the blanking effect of awarding.

The hopper mechanism that awards of present concrete-bar straightening-cutting machine mainly is made up of unequal-sided big angle steel and little angle steel, support column and fixed length (pull bar and striker plate) device.Form one between big angle steel and the little angle steel and award hopper, support column plays retainer and blanking effect, and length control device plays reinforcing bar length dimension positioning action.Reinforcing bar is sent into when awarding hopper after by straightening, reinforcing bar with award the generation sliding frictions of the top of hopper and two sides, because of the length dimension of big or small angle steel big (long 2 meters of general every joint) is difficult for Quenching Treatment, the surface is very soft, so that the position that big or small angle steel contacts with reinforcing bar quick-wearing very, need often to repair or change, resistance is very much not brisk when also causing reinforcing bar to enter hopper simultaneously, the deficiency that fixed length error is big.

Task of the present utility model provides a kind of hopper mechanism that awards, and changes sliding friction on structural design, overcomes easy to wearly, and working resistance is big, the deficiency that fixed length error is big.

For solving above-mentioned task, solution of the present utility model is: be provided with many group rollers on angle steel or channel-section steel, award hopper and reinforcing bar generation rolling friction by what many groups roller formed.Be made up of three kinds of rollers for every group, a kind of level is in the above installed, and is the roll wheel, in addition two kinds vertically arranged be upright roller, wherein a kind of upright roller bottom is provided with retainer and doffer,, makes to award to be filled with material in the hopper at the following bar clamp of the effect of spring between two upright rollers.Upright roller makes reinforcing bar realize rolling friction in awarding hopper by multi-disc or whole the composition.The roller set of awarding the hopper end near the cutter platform is not provided with retainer and doffer.When bar diameter hour, for preventing bar bending, can suitably increase the quantity of roller set, the resistance of the roller set that increases newly when reducing blanking, the following of upright roller can be less if do not establish retainer and doffer.Its one or both sides of upright roller of all roller set, can move horizontally the spacing (groove width) of adjusting the both sides upright roller, so that entering, the reinforcing bar of adaptation different-diameter awards hopper.The fixed length of reinforcing bar, be provided with a pull bar on the hopper awarding, the left end of pull bar is connected with the cutter platform, and the other end is connected with a striker plate (scale plate), after entering the last striker plate in reinforcing bar top of awarding hopper, pushing drawing rod, pull bar drives the cutter platform and moves, and compresses the back-moving spring on the pull bar simultaneously, when below the cutter platform moves to tup, the knife rest that tup hits on the cutter platform carries out shear reinforcement, and under the effect of back-moving spring, cutter platform and striker plate reset under being driven by pull bar behind the cut-out reinforcing bar.Awarding the blanking of hopper, is be filled with material in awarding hopper after, sends into one again, and nethermost one is just fallen by crowded, and this moment, retainer and doffer had the opening and closing action.

Advantage of the present utility model is that reinforcing bar enters when awarding hopper, and reinforcing bar is rolling friction with the contact site of awarding hopper, reduced reinforcing bar and awarded hopper and reduce wear, improved the service life of awarding hopper awarding the friction of hopper, making, reduce working resistance, reduced the fixed length error of reinforcing bar.

Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.

Fig. 1 is the schematic diagram that the utility model is awarded hopper mechanism;

Fig. 2 is a front view of awarding first embodiment of hopper mechanism;

Fig. 3 is the cutaway view of Fig. 2 A-A position;

Fig. 4 is the profile of Fig. 2 B-B position;

Fig. 5 is the profile of Fig. 2 C-C position;

Fig. 6 is the profile of Fig. 2 D-D position;

Fig. 7 is the profile of Fig. 2 E-E position;

Fig. 8 is the profile of Fig. 2 F-F position;

Fig. 9 is a front view of awarding second embodiment of hopper mechanism;

Figure 10 is the cutaway view of Fig. 9 A-A position;

Figure 11 is the cutaway view of Fig. 9 B-B position.

In principle shown in Figure 1, pull bar 6 left ends of awarding on the hopper 11 are connected with cutter platform 9, and right-hand member is connected with fixed length striker plate 5.During work, after fixed length striker plate 5 is run on the modulated straight reinforcing bar that advances to the right 10 tops, with fixed length striker plate 5 to the right-hand segment distance that pushes away away, because of striker plate 5 is connected with pull bar 6, so pull bar 6 also spurs cutter platform 9 and moves to right, after moving on under the tup, tup hits knife rest 1, and reinforcing bar 10 is cut off, after cutting off reinforcing bar, fixed length striker plate 5 has lost thrust, and under the reset force effect of back-moving spring 3, pull bar 6 moves to left fixed length shelves flitch 5 and cutter platform 9 and resets.The length that reinforcing bar 10 needs can realize that at the front and back position of awarding on the hopper 11 distance L between the section of fixed length striker plate 5 left sides and upper cutter 8 is exactly the length of reinforcing bar 10 needs by changing fixed length striker plate 5.Among Fig. 17 is lower cutters, the 2nd, and back-moving spring block, the 4th, connecting plate.

Fig. 2 to Fig. 8 is a structure chart of awarding first embodiment of hopper mechanism.On support 20, angle steel 6 and angle steel 7 are connected into integral body by the long connecting plate 21 of dress and the short connecting plate 22 of arc connecting plate 24 and centre.Roll axle 18 is housed on the angle steel 6, roll wheel 19 is housed on the roll axle 18, the perpendicular roller bearing 10 in back also is housed on angle steel 6, back

upright roller

9 and 11 is housed on axle 10; Perpendicular roller bearing 8 before on angle steel 7, being equipped with, upright roller 13 before on axle 8, being equipped with; Forms one and award hopper by roll wheel 19, back

upright roller

9 and 11, preceding upright roller 13, make reinforcing bar 12 enter when awarding hopper and each roller generation rolling friction.Be provided with supporting seat 15 in the lower end of preceding perpendicular roller bearing 8, support column 14 is housed in the supporting seat 15, adjusting cover 17 is screwed on the supporting seat 15, rotation adjust cover 17 can make spring 16 with suitable power item on support column 14, make support column 14 hold reinforcing bar 12, sending into a material when awarding after hopper is full of material, following reinforcing bar is just squeezed and is fallen, support column 14 had indentation and stretched out action this moment, finished retainer blanking task.The length control device of reinforcing bar, be that short rod 1 usefulness joint 2 on the cutter platform has connected pull bar 5 and adopts, pull bar 5 is contained in the hole of long connecting plate 21 and short connecting plate 22 and can slides in the hole, block 3 and back-moving spring 4 are housed on the pull bar 5, back-moving spring 4 right-hand members withstand on the short connecting plate, striker plate 23 is fixed on the pull bar 5 according to the length of reinforcing bar 12, and striker plate 23 lower ends extend into awards in the hopper; The reinforcing bar 12 of straightening enters and awards after fixed length striker plate 23 is run on the top behind the hopper, striker plate 23 and reinforcing bar 12 move together, pull bar 5 drives the cutter platform and moves, reinforcing bar 12 is cut off when below the cutter platform moves to tup, reinforcing bar 12 is cut off back cutter platform and striker plate 23 pushes back the origin-location by back-moving spring 4, waits for action next time.

The utility model also can be awarded hopper mechanism by what Fig. 9 to Figure 11 designed another kind of embodiment.Concrete structure is made up of many groups roller, fixed length, retainer and the doffer installed on the channel-section steel 1.Each group roller is decided upright roller 2 and 4 by roll wheel 13, and moving

upright roller

6 and 8 is formed.Roll wheel 13 is contained on the axle 14, and axle 14 is contained on the holder 10, and holder 10 is contained on the channel-section steel 1.Decide upright roller and be made up of diameter identical roller 2 and 2 chip rollers 4, all be contained on the axle 3, axle 3 is contained on the channel-section steel 1.Moving upright roller is made up of roller 6 and 2 chip rollers 8 of band inclined-plane boss, all is contained on the moving vertical pivot 7, and axle 7 and spring 21 usefulness bearing pins 22 are hinged with supporting base 9, and supporting base 9 is contained on the channel-section steel 1.Do not establish boss below the roller set of close cutter platform, its upright roller 18, roller 18 is contained on the axle 19, and axle 19 is fixed on the supporting base 20, and supporting base 20 is loaded onto on the channel-section steel 1, and roller 18 can not fascinate.That adjusts that supporting base 9 and 20 can make every group of roller perpendicularly rolls 6 and 18 and moves horizontally, and adjusts the width of awarding hopper, the reinforcing bar of different-diameter is entered award hopper.The length control device of reinforcing bar is made up of pull bar 12, striker plate 17, train wheel bridge 15, lower plate 16, back-moving spring 24, block 23 and door lock rod silencer 25.Pull bar 12 left ends are connected with the cutter platform, right-hand member and train wheel bridge 15, lower plate 16 connects, and lower plate 16 is fixing with striker plate 17, and reinforcing bar 5 is sent into and awarded hopper during work, when reinforcing bar 5 hits on striker plate 17, striker plate 17 moves with reinforcing bar 5, and pull bar 12 drives the cutter platforms and moves, and reinforcing bar 5 was cut off when Dang Daotai moved to below the tup, reinforcing bar 5 is cut off the back and striker plate 17 pull bars 12 push back the origin-location by back-moving spring 24, waits for action next time.Boss below the roller 6 plays retainer and blanking effect, is sending into one when awarding when hopper is filled with material, and a nethermost velamen squeezes and falls, and this moment, roller 6 had the opening and closing action.When bar diameter hour, can suitably increase the roller set number for preventing bar bending, boss can be set below the resistance when reducing blanking, its upright roller of the roller set that increases newly, to adjust groove width just passable as long as can move horizontally.

Certainly, this is awarded hopper mechanism and is not limited to above-mentioned two kinds of forms, if there is other form can make reinforcing bar realize rolling friction in awarding hopper, also belongs to protection domain of the present utility model (as the setting of each roller and whether bearing etc. is installed).

In addition, the utility model is not only applicable on the concrete-bar straightening-cutting machine, for other similar reinforcing steel bar machinery, as long as it has adopted above-mentioned principle, belongs to protection domain of the present utility model yet.

Claims

1. one kind is used for awarding hopper mechanism on the concrete-bar straightening-cutting machine, mainly form by unequal-sided big angle steel and little angle steel, support column and length control device, it is characterized in that: angle steel 6 and 7 is coupled together by long connecting plate 21, short connecting plate 22, bow type connecting plate 24, on angle steel 6, arranged several hard roller bearings 10, upright roller 9 and 11, roll axle 18 and roll wheel 19, on angle steel 7, arranged several perpendicular roller bearings 8, upright roller 13, support 14, supporting seat 15, spring 16 and adjust cover 17.

2. the hopper mechanism that awards according to claim 1 is characterized in that: angle steel 6 and 7 can be that angle steel also can be channel-section steel or other shaped steel.

3. the hopper mechanism that awards according to claim 1 is characterized in that: roll axle 18 and roll wheel 19 can be arranged on the angle steel 6 and also can be arranged on the angle steel 7.

4. according to claim 1 or the 3 described hopper mechanisms that award, it is characterized in that: roll axle 18 and roll wheel 19 can be on the right side of upright roller 9 and 13, also can be in the left side of upright roller 9 and 13, or in the centre of upright roller 9 and 13.

5. the hopper mechanism that awards according to claim 1 is characterized in that: upright roller 9,11 and 13 can be multi-disc or whole.

6. the hopper mechanism that awards according to claim 1 is characterized in that: support column 14, supporting seat 15, spring 16 and adjustment cover 17 can be installed on the angle steel 7, also can be installed on the angle steel 6.

7. one kind is used for awarding hopper mechanism on the concrete-bar straightening-cutting machine, mainly form by unequal-sided big angle steel and little angle steel, support column and length control device, it is characterized in that: arranged that on channel-section steel or other shaped steel several decide vertical pivot 3, decide upright roller 4 and 2, several supporting bases 9, bearing pin 22, spring 21, moving vertical pivot 7, moving upright roller 6 and 8, several holders 10, axle 14, roll wheel 13 also have supporting base 20, axle 19, upright roller 18.

8. the hopper mechanism that awards according to claim 7 is characterized in that: the roller 2 and 4 of every group of roller, 6 and 8 is multi-disc or whole.

9. the hopper mechanism that awards according to claim 8 is characterized in that: roller 2 and 6 has an inclined-plane boss below one of them in all or part roller set.

10. the hopper mechanism that awards according to claim 8 is characterized in that: roller 6 or 2 can fascinate.

11. the hopper mechanism that awards according to claim 7 is characterized in that: the axis of the roller 13,2,6 in every group of roller can be in a plane or not in a plane.