CN2198051Y - Steel rad cutter - Google Patents

Abstract

Disclosed is a steel cutter, belonging to the technical field of metal rod material processing without cutting scrap. The utility model is characterized in that the original motor is a two-stage electric motor or a diesel engine, and the engine body (3) is in the structure of integral box type upper opening. A movable knife (8) is fixed by an upper pressing plate (7), and a clutch (13) is operated by a handle (10) or a foot-plate (12). A work spindle (III) is in an eccentric shaft type, and connecting rods (6) are in an integral type. The connecting position of free gears (16) and driving shafts (I) adopts the lubricating bearings which supply oil to the surrounding. The passing cover (15) of the driving shafts (I) is sealed in a screw way. The adjustment of the side gap of a fixed knife (9) is completed by a slope wedging block mechanism. The utility model has the advantages that both the electric motor and the diesel engine can be used as the original motor, the strength and the rigidity of the machine are high, the sealing property is good, and the operation and the adjustment are convenient.

Description

Steel rad cutter

The utility model belongs to metal bar material chipless processing technique field, is specifically related to a kind of bar cropper of new construction.

At present, domestic and international employed bar cropper exists following shortcoming and problem:

1. useful motor is made the bar cropper of prime mover and is made two kinds of the bar croppers of prime mover with diesel engine, and used prime mover can not replace mutually, and this makes troubles to use.

2. the bar cropper movable blade place of the full-closed structure that uses the both at home and abroad body of uncapping on adopting, what all adopt is the reduction box structure, is connected with nut, this structural rigidity is relatively poor, and in faying face place processing difficulties, and usually leakage of oil.And body adopts the cutting machine of monolithic construction, and what the movable blade place all adopted is the side cover-opening structure, and side force suffered during owing to cutting machine work is very big, usually damages.

3. domestic and international employed bar cropper, its working-spindle all are the crank throw forms, and connecting rod all is a dissection type, and its strength and stiffness of this structure are all poor, damage easily, and processing difficulties, also take material.

4. domestic and international employed bar cropper, in free gear and axle junction, because structural limitations, what all adopt is needle bearing, and needle bearing did not fit into load or shock loading, usually damaged easily.

5. domestic and international employed bar cropper, its clutch operating device has only a kind of mode, and is promptly foot-operated, the operation that this does not fit into the operator of different customs and is unfavorable for emergency.

6. domestic and international employed bar cropper, what mostly adopt is fractional electric motor, the eccentric throw of working-spindle is also little, like this in shearing the nominal diameter scope during reinforcing bar of different-diameter, will change blade or, just can finish the requirement of shearing the different size reinforcing bar, therefore at blade back plus-minus edge bearing, every cutting machine all needs to lay in the blade or the edge bearing of several sizes, uses in order to adjusting.This just gives to use and take care of and makes troubles; And, also can finish the requirement of shearing the different size reinforcing bar if want not change blade or plus-minus edge bearing, and must adopt the working-spindle of large eccentricity distance, but also want increasing motor power, energy loss is strengthened, and the volume and weight of machine is increased.

7. domestic and international employed bar cropper, the adjustment of its fixed blade sideshake is to realize by the edge bearing of artificial selection's fixed size.This adjustment structure not only makes adjustment work trouble, labour intensity big, at the bottom of the operating efficiency, but also can not guarantee that the gap is reasonable.Usually because excesssive gap reduces effective shearing force, shear ability descends in the use; Simultaneously, also make body increased by side force, cause body to rupture, influence the service life of cutting machine.

The purpose of this utility model will overcome existing shortcoming of above-mentioned cutting machine and problem exactly, and the technical scheme of a kind of new bar cropper that provides.

The purpose of this utility model is achieved in that it is to adopt a kind of fully closed overall structure, adopt motor or diesel engine to make prime mover, by belt and gear drive, through controlled clutch, the control crank and connecting rod movement, the work of shear reinforcement is finished in drive movable blade motion, it is characterized in that: as Fig. 1～shown in Figure 4.

1. motor (1) can be fixed on the body (3) of cutting machine by base plate (11), or diesel engine (17) can be fixed on the body (3) by bent plate (18).So just can make motor, diesel engine dual-purpose.

2. body (3) is made the whole box cover-opening structure of going up, and Box Cover (5) adopts the thin plate compacting to form, and this improves the animal economy structural rigidity, and is easy to process, and has avoided the leakage of oil of faying face place.

3. the pressing plate (7) of movable blade (8) adopts the top board structure, can avoid being subjected to the effect of flush shear force, ruptures.

4. the bar cropper with equal-wattage compares, and the utility model has adopted:

(a) adopt two-pole machine or high-speed diesel engine to make prime mover.

(b) strengthened the length dimension of connecting rod (6).

(c) increased the number of teeth that working-spindle (III) cogs.

(d) strengthened the eccentric throw size of working-spindle (III).

Because prime mover rotating speed improves, flywheel (being belt pulley) rotary inertia is increased, thereby effective driving force is increased, the working-spindle (III) that can reach with small-power prime mover driven large eccentricity distance rotates, make movable blade (8) obtain big impulse stroke, so just can realize not needing the tool changing sheet, or not need to add and subtract under the situation of edge bearing, finish the shearing work of different-diameter reinforcing bar in its nominal diameter scope.

5. can pass through control crank (10) or pedal (12), solenoidoperated cluthes mechanism (13) realizes hand, pin interlock manipulation.

6. working-spindle (III) has adopted eccentric shaft type structure (existing technology is the crank throw formula), and connecting rod (6) has adopted monolithic construction (existing technology is a dissection type).

7. free gear (16) and transmission main shaft (I) junction, employing be circumferential fuel feeding lubricating bearings.

8. bearing adopts end cap (14) sealing, and saturating lid (15) is located, and adopts helixseal.

9. the sideshake adjustment of dead knife (9) is to have adopted inclined-plane voussoir adjustment, and it is by fixing edge bearing (19) and adjusts edge bearing (21) and manufacture inclined plane shape, combines by the inclined-plane mutually, by adjusting screw (20), can reach the purpose of adjustment sideshake.

Advantage of the present utility model and good effect have:

1. both available motor of the utility model is also made prime mover with diesel engine, so just can arbitrarily use electricity being arranged or not having the place of electricity.

2. body has adopted the integrally closed structure, both can improve the rigidity of body, makes handling ease again, also can avoid oil leakage phenomenon.

3. adopt two pole motors, improved the rotating speed of driving shaft and flywheel (being belt pulley), rotary inertia and gearratio have been increased, the eccentric throw of working-spindle and the length of connecting rod have been increased, both improve effective die-cut ability, can make again under the situation that does not need to change blade or plus-minus edge bearing, finished the shearing work of different-diameter reinforcing bar in its nominal diameter scope, make the many usefulness of a cutter, reduced the trouble in keeping and the use work.

4. major parts such as body, working-spindle, connecting rod have all adopted rigidity and the good version of intensity, can improve the service life of shearing quality and machine.

5. each lubricated place all is improved from structure, has guaranteed lubricated well, has improved parts service life.

6. the sideshake adjustment is improved from structure, can realize that sideshake is easy to adjust, reasonable, has improved the machine works condition, improves its service life.

7. adopt the dual-purpose clutch operating device of handle and pedal,, can adapt to emergency again and handle both applicable to the operator of difference custom.

Accompanying drawing and description of symbols:

Fig. 1 is a bar cropper structure transmission schematic diagram (front view)

Fig. 2 is a bar cropper structure transmission schematic diagram (vertical view)

Fig. 3 is the mounting diesel engine schematic diagram

Fig. 4 adjusts structural representation for the dead knife sideshake

Among the figure: 1-motor 2-belt transmission

3-body 4-gear drive

5-machine body cover 6-connecting rod

7-pressing plate 8-movable blade

9-dead knife 10-handle

11-base plate 12-pedal

13-clutch operating device 14-end cap

15-covers the 16-free gear thoroughly

17-diesel engine 18-bent plate

19-fixedly edge bearing 20-adjusts screw

21-adjusts edge bearing 22-fixed blade

The embodiment explanation:

To shear Φ 40mm bar cropper is that example is made comparisons:

Prior art:

1. need to change the cutting machine of blade or the adjustment of plus-minus edge bearing, its

Motor power (output) is 3 kilowatts

Motor speed is 1420 rev/mins

17 millimeters of working-spindle eccentric throws

Length of connecting rod is 180 millimeters

Working-spindle tooth number Z=47 that cog

Cutting machine appearance and size is 1200 * 450 * 570(millimeter)

2. not tool changing sheet or the plus-minus edge bearing cutting machine, its

Motor power (output) is 4 kilowatts

Motor speed is 1420 rev/mins

The working-spindle eccentric throw is 23 millimeters

Length of connecting rod is 180 millimeters

The number of teeth that working-spindle cogs is Z=50

Cutting machine appearance and size is 1580 * 650 * 790(millimeter)

The utility model cutting machine, its

Motor power (output) is 2.2 kilowatts

2880 rev/mins of motors speed (two utmost points)

6 horsepowers of diesel engine powers

2600 rev/mins～2800 rev/mins of diesel engine speeds

Working-spindle sheet heart distance is 23 millimeters

Length of connecting rod is 260 millimeters

Working-spindle tooth number Z=59 that cog

Cutting machine appearance and size is 1140 * 540 * 740

Claims (4)

1, a kind of bar cropper, it is by prime mover, belt gear, gear drive, through the toggle of controlled clutch control, formed by movable blade and dead knife that crank connecting link drives, all mechanism is installed on the integrally-built body of totally enclosed type, it is characterized in that:

(1) described prime mover is second-stage electric machine or diesel engine;

(2) described body (3) is a cover-opening structure on the monoblock type;

(3) described movable blade (8) is fixing by top board (7);

(4) described clutch (13) is that armrest handle (10) or pedal (12) are handled;

(5) working-spindle (III) in the described gear drive is the eccentric shaft type structure;

(6) connecting rod (6) in the described toggle is a monolithic construction;

(7) free gear (16) in the described gear drive is circumferential fuel feeding lubricating bearings with the bearing of driving shaft (I) junction;

(8) to locate be helixseal to the saturating lid (15) of the driving shaft (I) in the described gear drive;

(9) the sideshake adjustment of described dead knife (9) is by inclined-plane cotter mechanism adjustment.

2, bar cropper as claimed in claim 1 is characterized in that described prime mover is to be fixed on two pole motors (1) on the body (3) or to be fixed on diesel engine (17) on the body (3) by bent plate (18) by base plate (11).

3, bar cropper as claimed in claim 1 or 2 is characterized in that inclined-plane cotter mechanism in the sideshake guiding mechanism of described dead knife (9) is to adjust screw (20) by rotation to drive and adjust edge bearing (21) and move and realize.

4, bar cropper as claimed in claim 1 is characterized in that described movable blade (8) is to fix by top board (7).

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