CN109201249A - A kind of reinforcing bar breaking method and the reinforcing bar crushing plant using the breaking method - Google Patents

A kind of reinforcing bar breaking method and the reinforcing bar crushing plant using the breaking method Download PDF

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Publication number
CN109201249A
CN109201249A CN201811091152.1A CN201811091152A CN109201249A CN 109201249 A CN109201249 A CN 109201249A CN 201811091152 A CN201811091152 A CN 201811091152A CN 109201249 A CN109201249 A CN 109201249A
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CN
China
Prior art keywords
reinforcing bar
tool apron
shearing
knife shaft
groove
Prior art date
Application number
CN201811091152.1A
Other languages
Chinese (zh)
Inventor
钱红
陈惠清
钱烈
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江阴市广福机械有限公司
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Application filed by 江阴市广福机械有限公司 filed Critical 江阴市广福机械有限公司
Priority to CN201811091152.1A priority Critical patent/CN109201249A/en
Publication of CN109201249A publication Critical patent/CN109201249A/en

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/14Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/16Details
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C25/00Control arrangements specially adapted for crushing or disintegrating

Abstract

The present invention relates to material crushing technology field, it discloses a kind of reinforcing bar breaking method and using the reinforcing bar crushing plant of the breaking method, including a pair of of swivel knife shaft and a main shearing tool apron are set, and a pair of of swivel knife shaft is placed in the both sides of main shearing tool apron;Cutterhead is set on swivel knife shaft, and the groove up and down of shearing is arranged on main shearing tool apron, shears the facewidth two sides of cutter tooth, tooth top is matched with the groove two sides of shearing and groove slot bottom respectively for the setting shearing cutter tooth on cutterhead;Reinforcing bar is put into downwards from the top position of main shearing tool apron, so that being fallen between a pair of of swivel knife shaft under reinforcing bar;Swivel knife shaft rotates, and the shear knife hook on swivel knife shaft lives reinforcing bar, and reinforcing bar is pressed in the main upper plane for shearing tool apron;Swivel knife shaft continues to rotate, and carries out pressure shearing to the reinforcing bar being located at main shearing tool apron upper groove.The present invention realizes the broken automation of reinforcing bar, and then improves reinforcing bar broken efficiency and quality.

Description

A kind of reinforcing bar breaking method and the reinforcing bar crushing plant using the breaking method

Technical field

The present invention relates to material crushing technology fields, and in particular to a kind of reinforcing bar breaking method and using the breaking method Reinforcing bar crushing plant.

Background technique

Reinforcing bar is a kind of for concrete steel building or the steel of building element, and cross section is generally circular, has When for the rectangular of fillet, including plain bar, Ribbed Bar, twisted bar etc..

In the disassembly process of City Building, a large amount of steel scrap muscle can be generated, these steel scrap muscle are different, and often It is intertwined.In order to realize the recycling of steel scrap muscle, need to carry out the broken of reinforcing bar in the treatment process to steel scrap muscle Change processing, i.e., by reinforcing bar and be cut into segment or grain shape, to be further processed for subsequent.

In the prior art, the fragmentation processing of reinforcing bar be usually using artificial, hand-held grinder by reinforcing bar one by one Cutting, one side efficiency is extremely inefficient, and the length after the cutting of another aspect reinforcing bar is longer, is unfavorable for the subsequent benefit to steel scrap muscle With.

Summary of the invention

To solve the above-mentioned problems, the present invention proposes a kind of reinforcing bar breaking method and broken using the reinforcing bar of the breaking method Equipment, it is intended to realize the broken automation of reinforcing bar, and then improve reinforcing bar broken efficiency and quality.Specific technical solution is such as Under:

A kind of reinforcing bar breaking method, including following method:

(1), a pair of of swivel knife shaft and a main shearing tool apron be set, and a pair of of swivel knife shaft is placed in main shearing tool apron Both sides;

(2), cutterhead is set on swivel knife shaft, and setting shearing cutter tooth, is arranged shearing on main shearing tool apron on cutterhead Groove up and down, shear the facewidth two sides of cutter tooth, tooth top respectively with the groove two sides of shearing and groove slot Bottom matches;

(3), from it is main shearing tool apron top position put into reinforcing bar downwards so that fallen under reinforcing bar a pair of of swivel knife shaft it Between;

(4), swivel knife shaft rotates, and the shear knife hook on swivel knife shaft lives reinforcing bar, and reinforcing bar is pressed to main shear knife In the upper plane of seat;

(5), swivel knife shaft continues to rotate, and carries out pressure shearing to the reinforcing bar being located at main shearing tool apron upper groove;

(6) it is located at the reinforcing bar at main shearing tool apron upper groove to be cut under the action of shear force, the reinforcing bar sheared off is small Section passes through the groove on main shearing tool apron under the promotion of shearing cutter tooth, drops down onto the lower section of groove.

In above-mentioned technical proposal, reinforcing bar is put into from top, between a pair of of swivel knife shaft, by shearing on swivel knife shaft The continuous rotation of cutter tooth realizes continuous shear stress, works continuously to realize and carry out shearing-crushing to reinforcing bar.

In the method (2), the cutterhead quantity being arranged on swivel knife shaft has multiple and is spaced apart, in main shear knife The number of recesses being arranged on seat is equal with the quantity of cutterhead, and setting is equipped between adjacent cutterhead on the same swivel knife shaft Annular groove, the protrusion top surface formed between the slot bottom of the annular groove and adjacent two groove on the main shearing tool apron match.

As a further improvement of the present invention, it is being located at the another of the swivel knife shaft for the main shearing tool apron The position of side is fixedly installed auxiliary shearing tool apron compatible with the swivel knife shaft, sets on the auxiliary shearing tool apron It is equipped with the groove matched with the facewidth two sides of the shearing cutter tooth and tooth top, and the groove is arranged up and down;Simultaneously During shearing manipulation, by controlling the positive and negative rotation of swivel knife shaft, realize that the double direction shear of reinforcing bar is broken.

Using the reinforcing bar crushing plant of above-mentioned reinforcing bar breaking method, its technical solution is as follows:

A kind of reinforcing bar crushing plant, including crushing chamber, the charging hopper being connected to above the crushing chamber, the crushing chamber Interior rotation is provided with a pair of of swivel knife shaft for carrying out shearing-crushing to reinforcing bar, and fixation is set between a pair of of swivel knife shaft It is equipped with main shearing tool apron compatible with a pair of of swivel knife shaft, the swivel knife shaft includes shaft and is arranged described It is peripherally disposed on the cutterhead to have several shearing cutters tooth in shaft and a number of cutterhead that is spaced apart, it is described The groove matched with the facewidth two sides of the shearing cutter tooth and tooth top is provided on main shearing tool apron, the groove passes through up and down Logical setting.

It is placed into together when work, after steel scrap muscle is collected in charging hopper, the steel scrap muscle positioned at charging hopper lower part is first It is introduced into crushing chamber, and is located between a pair of of swivel knife shaft;Due to being provided with shearing cutter tooth on cutterhead, work as swivel knife shaft When rotation, part steel scrap influential point of tendons, which enters in the tooth socket formed between two neighboring shearing cutter tooth and is sheared cutter tooth, is hooked, and is hooked Steel scrap muscle firmly presses to the upper plane of main shearing tool apron, shears and forms one shearing force between cutter tooth and main shearing tool apron, so that Steel scrap muscle is cut into segment or grain shape, then by the groove being arranged up and down on main shearing tool apron from crushing chamber Bottom fall.In subsequent shattering process, the steel scrap muscle in the hopper that feeds is since the effect of gravity constantly enters brokenly Broken room, to form the continuous crushing of steel scrap muscle.

In above-mentioned technical proposal, using shearing mechanism, it is provided with the cutterhead of rotation in crushing chamber, is arranged on cutterhead and cuts Cutter tooth, shearing cutter tooth are formed with the groove being crushed on indoor main shearing tool apron and are matched, thus by bar cutting at segment, by This realizes the broken automation of reinforcing bar, and then improves reinforcing bar broken efficiency and quality.

A kind of reinforcing bar crushing plant of the invention, can not only be crushed straight reinforcing bar, can also be crushed the steel being intertwined Muscle, adaptability are good.

In the present invention, swivel knife shaft is provided with two (a pair), and be placed in the main two sides for shearing tool apron, and one side can be with It prevents upper reinforcement to single-side shift, cause shearing cutter tooth that can not effectively clip to steel scrap muscle and the efficiency of shearing-crushing is dropped It is low, shearing-crushing on the other hand is carried out to reinforcing bar simultaneously using two swivel knife shafts, can be further improved broken efficiency.

As a preferred solution of the present invention first is that: be equipped between the adjacent cutterhead being arranged on the same swivel knife shaft Annular groove, the protrusion top surface formed between the slot bottom of the annular groove and adjacent two groove on the main shearing tool apron match.

By shearing the cooperation of cutter tooth and main shearing tool apron upper groove on cutterhead, while passing through main shearing tool apron upper convex portion top The cooperation of the slot bottom of annular groove on face and swivel knife shaft, eliminating steel scrap muscle may be by the space of card, so as to effectively avoid giving up Stuck phenomenon of reinforcing bar during shearing-crushing, and then improve the reliability of crusher.

As a preferred solution of the present invention second is that: be arranged in the cutterhead on the same swivel knife shaft, at least two Shearing cutter tooth on a above its cutterhead of cutterhead mutually staggers setting in circumferencial direction.

Setting is mutually staggered in circumferencial direction by the shearing cutter tooth on each cutterhead, reduces and participates in cutting within the same time The quantity of broken shearing cutter tooth is cut through, so that respectively shearing cutter tooth realizes by turns alternately shearing-crushing in rotary course, so as to With the power requirement of the entire swivel knife shaft of reduction by a relatively large margin, and then realize brisk shearing-crushing operation.

As a preferred solution of the present invention second is that: the main shearing tool apron is the main shearing tool apron of piecemeal combined type, and institute It is detachable to state main shearing tool apron.

Above-mentioned main shearing tool apron use piecemeal fabricated structure and be it is detachable, one side facilitates main shearing tool apron Manufacture, the on the other hand replacement and maintenance of the main shearing tool apron of aspect.

Main shearing tool apron of the invention can pass through sword again when wearing using the cutting edge for occurring groove for a period of time Plane on main shearing tool apron is ground, to restore the performance of the shear blade formed between upper plane and groove notch.

The setting that plane can be refaced on above-mentioned main shearing tool apron, considerably reduces the follow-up maintenance maintenance cost of equipment With.

The direction of rotation of two swivel knife shafts on the cutterhead on the contrary, and lean on the main shearing tool apron side in the present invention Its direction of rotation of position it is tangential downwardly directed.

In the present invention, the both ends of the swivel knife shaft are rotatably supported on the tank wall of the crushing chamber by bearing.

A kind of reinforcing bar crushing plant of the invention further includes connecting with the swivel knife shaft and the swivel knife shaft being driven to revolve The power device turned.

Preferably, the power device is hydraulic transmission.

Wherein, the hydraulic transmission includes hydraulic motor.

As a preferred solution of the present invention third is that: the cutter head center is provided with the inner hole of polygon, in the shaft It is provided with the axle body of polygon, the axle body of the polygon is matched with the inner hole of the polygon.

The hole axle fit structure of polygon between above-mentioned cutterhead and shaft axle body, is conducive to transmit biggish torque.

As a preferred solution of the present invention fourth is that: the cutterhead be alloy tool steel cutterhead or high-speed steel cutterhead, it is described The shearing number of teeth amount of cutterhead is 8~16, and the facewidth of the shearing cutter tooth is 50~100mm, adjacent on the same cutterhead Tooth socket groove depth between two shearing cutters tooth is 40~80mm.

A kind of reinforcing bar crushing plant of the invention further includes rack, and the crushing chamber is connected with above the rack.

As a further improvement, a kind of reinforcing bar crushing plant of example of the present invention further include fixed setting with the rotating knife The compatible auxiliary of axis shears tool apron, and the auxiliary shearing tool apron is located at the rotating knife for the main shearing tool apron The other side of axis;It is described auxiliary shearing tool apron on be provided with it is described shearing cutter tooth facewidth two sides and tooth top match it is recessed Slot, and the groove is arranged up and down.

Preferably, the auxiliary shearing tool apron is the main shearing tool apron of piecemeal combined type, and auxiliary shearing tool apron is removable It unloads.

The setting of above-mentioned auxiliary shearing tool apron, the double direction shear that reinforcing bar may be implemented is broken, i.e., when change swivel knife shaft When direction of rotation, shearing-crushing of the reinforcing bar on auxiliary shearing tool apron can be realized.During shearing manipulation, revolved by control The positive and negative rotation of rotor axis can make the reinforcing bar in crushing chamber be stirred and be shifted, and on the one hand can further eliminate steel On the other hand the stuck phenomenon of muscle also improves the efficiency of shearing-crushing operation.

The beneficial effects of the present invention are:

First, a kind of reinforcing bar breaking method of the invention and the reinforcing bar crushing plant using the breaking method utilize shearing Principle is provided with the cutterhead of rotation in crushing chamber, and the setting shearing cutter tooth on cutterhead, shearing cutter tooth is cut with indoor master is crushed Groove on cutter seat forms pairing, thus by bar cutting at segment, it is thus achieved that the automation that reinforcing bar is broken, Jin Erti High reinforcing bar broken efficiency and quality.

Second, a kind of reinforcing bar breaking method of the invention and the reinforcing bar crushing plant using the breaking method, swivel knife shaft Provided with two (a pair), the two sides for the main shearing tool apron that is placed in, one side can prevent upper reinforcement to single-side shift, lead It causes shearing cutter tooth that can not effectively clip to steel scrap muscle and the efficiency of shearing-crushing is reduced, on the other hand uses two rotating knifes Axis carries out shearing-crushing to reinforcing bar simultaneously, can be further improved broken efficiency.

Third, a kind of reinforcing bar breaking method of the invention and the reinforcing bar crushing plant using the breaking method, pass through cutterhead The cooperation of upper shearing cutter tooth and main shearing tool apron upper groove, while passing through ring on main shearing tool apron upper convex portion top surface and swivel knife shaft The cooperation of the slot bottom of slot, eliminating steel scrap muscle may be by the space of card, so as to effectively avoid steel scrap muscle in shearing-crushing mistake Stuck phenomenon in journey, and then improve the reliability of crusher.

4th, a kind of reinforcing bar breaking method of the invention and the reinforcing bar crushing plant using the breaking method pass through each knife Shearing cutter tooth on disk mutually staggers setting in circumferencial direction, reduces the shearing cutter tooth that shearing-crushing is participated within the same time Quantity so that respectively shearing cutter tooth realized in rotary course by turns replace shearing-crushing, so as to reduction by a relatively large margin The power requirement of entire swivel knife shaft, and then realize brisk shearing-crushing operation.

5th, a kind of reinforcing bar breaking method of the invention and the reinforcing bar crushing plant using the breaking method, main shear knife The setting that plane can be refaced on seat considerably reduces the follow-up maintenance upkeep cost of equipment.

6th, a kind of reinforcing bar breaking method of the invention and the reinforcing bar crushing plant using the breaking method, cutterhead with turn The hole axle fit structure of polygon between axis axle body, is conducive to transmit biggish torque.

7th, a kind of reinforcing bar breaking method of the invention and the reinforcing bar crushing plant using the breaking method not only can be with It is crushed straight reinforcing bar, the reinforcing bar being intertwined can also be crushed, adaptability is good.

8th, a kind of reinforcing bar breaking method of the invention and the reinforcing bar crushing plant using the breaking method, auxiliary are sheared The setting of tool apron, the double direction shear that reinforcing bar may be implemented is broken, i.e., when changing the direction of rotation of swivel knife shaft, can be realized steel Shearing-crushing of the muscle on auxiliary shearing tool apron.It, can be with by controlling the positive and negative rotation of swivel knife shaft during shearing manipulation It is stirred and is shifted so that being crushed indoor reinforcing bar, on the one hand can further eliminate the stuck phenomenon of reinforcing bar, on the other hand Also improve the efficiency of shearing-crushing operation.

Detailed description of the invention

Fig. 1 is a kind of structural schematic diagram of reinforcing bar crushing plant of the invention;

Fig. 2 is the top view (cross-sectional view) of Fig. 1;

Fig. 3 is the left view of Fig. 1;

Fig. 4 is the knot after splitting out the swivel knife shaft part in Fig. 1, main shear knife seating portion, auxiliary shear knife seating portion Structure schematic diagram;

Fig. 5 is the structural schematic diagram of cutterhead.

In figure: 1, rack, 2, crushing chamber, 3, charging hopper, 4, swivel knife shaft, 5, main shearing tool apron, 6, shaft, 7, knife Disk, 8, shearing cutter tooth, 9, groove, 10, tooth socket, 11, annular groove, 12, protrusion, 13, protrusion top surface, 14, bearing, 15, power device, 16, auxiliary shearing tool apron.

In figure: A is the tangential of cutterhead direction of rotation.

Specific embodiment

With reference to the accompanying drawings and examples, further description of the specific embodiments of the present invention.Following embodiment is only For clearly illustrating technical solution of the present invention, and not intended to limit the protection scope of the present invention.

Embodiment 1:

As Fig. 1 to 5 show a kind of embodiment of reinforcing bar breaking method of the invention, including following method:

(1), a pair of of swivel knife shaft 4 and a main shearing tool apron 5 be set, and a pair of swivel knife shaft 4 is placed in main shear knife The both sides of seat 5;

(2), cutterhead 7 is set on swivel knife shaft 4, and setting shearing cutter tooth 8, is arranged on main shearing tool apron 8 on cutterhead 7 The groove 9 up and down of shearing, shear the facewidth two sides of cutter tooth 8, tooth top respectively with 9 two sides of the groove of shearing and 9 slot bottom of groove matches;

(3), from it is main shearing tool apron 5 top position put into reinforcing bar downwards so that fallen under reinforcing bar a pair of of swivel knife shaft 4 it Between;

(4), swivel knife shaft 4 rotates, and the shearing cutter tooth 8 on swivel knife shaft 4 hooks reinforcing bar, and reinforcing bar is pressed to main shearing In the upper plane of tool apron 5;

(5), swivel knife shaft 4 continues to rotate, and carries out pressure shearing to the reinforcing bar being located at main shearing 5 upper groove 9 of tool apron;

(6) it is located at the reinforcing bar at main shearing 5 upper groove 9 of tool apron to be cut under the action of shear force, the reinforcing bar sheared off Segment passes through the groove 9 on main shearing tool apron 5 under the promotion of shearing cutter tooth 8, drops down onto the lower section of groove 9.

In above-mentioned technical proposal, reinforcing bar is put into from top, between a pair of of swivel knife shaft 4, by cutting on swivel knife shaft 4 The continuous rotation of cutter tooth 8 realizes continuous shear stress, works continuously to realize and carry out shearing-crushing to reinforcing bar.

In the method (2), 7 quantity of cutterhead being arranged on swivel knife shaft 4 has multiple and is spaced apart, in main shearing 9 quantity of groove being arranged on tool apron 5 is equal with the quantity of cutterhead 7, and adjacent cutterhead 7 is arranged on the same swivel knife shaft 4 Between be equipped with annular groove 11, the protrusion formed between adjacent two groove 9 on the slot bottom of the annular groove 11 and the main shearing tool apron 5 is pushed up Face 13 matches.

As further improvement of this embodiment, the swivel knife shaft 4 is being located at for the main shearing tool apron 5 The other side position, be fixedly installed compatible with the swivel knife shaft 4 auxiliary shearing tool apron 16, the auxiliary shear knife The groove 9 matched with the facewidth two sides of the shearing cutter tooth 8 and tooth top is provided on seat 16, and about 9 groove passes through Logical setting;Simultaneously during shearing manipulation, by controlling the positive and negative rotation of swivel knife shaft 4, realize that the double direction shear of reinforcing bar is broken It is broken.

Embodiment 2:

As Fig. 1 to 5 show a kind of embodiment of reinforcing bar crushing plant of the invention, including crushing chamber 2, be connected to it is described The charging hopper 3 of 2 top of crushing chamber, the interior rotation of the crushing chamber 2 is provided with revolves for carrying out a pair of of shearing-crushing to reinforcing bar Rotor axis 4 is fixedly installed main shearing compatible with a pair of of swivel knife shaft 4 between a pair of of swivel knife shaft 4 Tool apron 5, the swivel knife shaft 4 include shaft 6 and a number of cutterhead 7 for being arranged in the shaft 6 and being spaced apart, It is peripherally disposed on the cutterhead 7 to have several shearing cutters tooth 8, it is provided with and the shear knife on the main shearing tool apron 5 The groove 9 that the facewidth two sides of tooth 8 and tooth top match, the groove 9 are arranged up and down.

It is placed into together when work, after steel scrap muscle is collected in charging hopper 3, the steel scrap muscle positioned at charging 3 lower part of hopper It is first into crushing chamber 2, and is located between a pair of of swivel knife shaft 4;Due to being provided with shearing cutter tooth 8 on cutterhead 7, when rotation When rotor axis 4 rotates, part steel scrap influential point of tendons enters in the tooth socket 10 formed between two neighboring shearing cutter tooth 8 and is sheared cutter tooth 8 hook, and the steel scrap muscle being hooked presses to the upper plane of main shearing tool apron 5, shear and form one between cutter tooth 8 and main shearing tool apron 5 Stock shearing force, so that steel scrap muscle is cut into segment or grain shape, then by being arranged on main shearing tool apron 5 up and down Groove 9 and fallen from the bottom of crushing chamber 2.In subsequent shattering process, the steel scrap muscle in the hopper 3 that feeds is due to gravity Effect constantly enters crushing chamber 2, to form the continuous crushing of steel scrap muscle.

In above-mentioned technical proposal, using shearing mechanism, it is provided with the cutterhead 7 of rotation in crushing chamber 2, is set on cutterhead 7 Shearing cutter tooth 8 is set, the groove 9 on main shearing tool apron 5 in shearing cutter tooth 8 and crushing chamber 2, which is formed, to be matched, thus by bar cutting At segment, it is thus achieved that the automation that reinforcing bar is broken, and then improve reinforcing bar broken efficiency and quality.

A kind of reinforcing bar crushing plant of the invention, can not only be crushed straight reinforcing bar, can also be crushed the steel being intertwined Muscle, adaptability are good.

In the present embodiment, swivel knife shaft 4 is provided with two (a pair), the two sides for the main shearing tool apron 5 that is placed in, one side Upper reinforcement can be prevented to single-side shift, cause shearing cutter tooth 8 that can not effectively clip to steel scrap muscle and make shearing-crushing Efficiency reduces, and on the other hand carries out shearing-crushing to reinforcing bar simultaneously using two swivel knife shafts 4, can be further improved broken Efficiency.

Preferred embodiment as the present embodiment first is that: be arranged between the adjacent cutterhead 7 on the same swivel knife shaft 4 Equipped with annular groove 11, the protrusion top surface 13 that is formed between adjacent two groove 9 on the slot bottom of the annular groove 11 and the main shearing tool apron 5 It matches.

By shearing the cooperation of cutter tooth 8 and main shearing 5 upper groove 9 of tool apron on cutterhead 7, while by main shearing tool apron 5 The cooperation of the slot bottom of annular groove 11 on protrusion top surface 13 and swivel knife shaft 4, eliminate steel scrap muscle may by the space of card, so as to Stuck phenomenon of steel scrap muscle during shearing-crushing effectively is avoided, and then improves the reliability of crusher.

Preferred embodiment as the present embodiment second is that: be arranged in the cutterhead 7 on the same swivel knife shaft 4, at least There are two the shearing cutters tooth 8 on above its cutterhead of cutterhead 7 to mutually stagger setting in circumferencial direction.

Setting is mutually staggered in circumferencial direction by the shearing cutter tooth 8 on each cutterhead 7, reduces and is participated within the same time The quantity of the shearing cutter tooth 8 of shearing-crushing, so that respectively shearing cutter tooth 8 realizes by turns alternately shearing-crushing in rotary course, from And can the entire swivel knife shaft 4 of reduction by a relatively large margin power requirement, and then realize brisk shearing-crushing operation.

Preferred embodiment as the present embodiment second is that: the main shearing tool apron 5 is the main shearing tool apron of piecemeal combined type, and The main shearing tool apron 5 is detachable.

Above-mentioned main shearing tool apron 5 use piecemeal fabricated structure and be it is detachable, one side facilitates main shearing tool apron 5 Manufacture, the on the other hand replacement and maintenance of the main shearing tool apron 5 of aspect.

The main shearing tool apron 5 of the present embodiment can pass through weight when wearing using the cutting edge occurred at groove 9 for a period of time Plane on main shearing tool apron 5 is sharpened, newly to restore the performance of the shear blade formed between 9 notch of upper plane and groove.

The setting that plane can be refaced on above-mentioned main shearing tool apron 5, considerably reduces the follow-up maintenance maintenance cost of equipment With.

The direction of rotation of two swivel knife shafts 4 on the cutterhead 7 on the contrary, and lean on the main shearing tool apron in the present embodiment The tangential A of its direction of rotation of the position of 5 sides is downwardly directed.

In the present embodiment, the both ends of the swivel knife shaft 4 are rotatably supported at the case of the crushing chamber 2 by bearing 14 On wall.

A kind of reinforcing bar crushing plant of the present embodiment further includes connecting with the swivel knife shaft 4 and driving the swivel knife shaft The power device 15 of 4 rotations.

Preferably, the power device 15 is hydraulic transmission.

Wherein, the hydraulic transmission includes hydraulic motor.

Preferred embodiment as the present embodiment third is that: the cutterhead 7 is provided centrally with the inner hole of polygon, the shaft The axle body of polygon is provided on 6, the axle body of the polygon is matched with the inner hole of the polygon.

The hole axle fit structure of polygon, is conducive to transmit biggish torque between 6 axle body of above-mentioned cutterhead 7 and shaft.

Preferred embodiment as the present embodiment fourth is that: the cutterhead 7 is alloy tool steel cutterhead or high-speed steel cutterhead, institute The shearing number of teeth amount for stating cutterhead 7 is 8~16, and the facewidth of the shearing cutter tooth 8 is 50~100mm, on the same cutterhead 7 10 groove depth of tooth socket between two neighboring shearing cutter tooth 8 is 40~80mm.

A kind of reinforcing bar crushing plant of the present embodiment further includes rack 1, is connected with the crushing chamber above the rack 1 2。

As a further improvement, a kind of reinforcing bar crushing plant of the present embodiment further include fixed setting with the rotating knife The compatible auxiliary of axis 4 shears tool apron 16, and the auxiliary shearing tool apron 16 is located at described for the main shearing tool apron 5 The other side of swivel knife shaft 4;It is provided on the auxiliary shearing tool apron 16 and the facewidth two sides of the shearing cutter tooth 8 and tooth top The groove 9 matched, and the groove 9 is arranged up and down.

Preferably, the auxiliary shearing tool apron 16 is the main shearing tool apron of piecemeal combined type, and the auxiliary shears tool apron 16 Detachably.

The setting of above-mentioned auxiliary shearing tool apron 16, the double direction shear that reinforcing bar may be implemented is broken, i.e., when change swivel knife shaft 4 Direction of rotation when, can be realized reinforcing bar auxiliary shearing tool apron 16 on shearing-crushing.During shearing manipulation, pass through control The positive and negative rotation of swivel knife shaft 4 processed, can make the reinforcing bar in crushing chamber 2 be stirred and be shifted, on the one hand can be further The stuck phenomenon for eliminating reinforcing bar, on the other hand also improves the efficiency of shearing-crushing operation.

The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art For member, without departing from the technical principles of the invention, several improvements and modifications can also be made, these improvements and modifications Also it should be regarded as protection scope of the present invention.

Claims (10)

1. a kind of reinforcing bar breaking method, which is characterized in that including following method:
(1), a pair of of swivel knife shaft and a main shearing tool apron be set, and a pair of of swivel knife shaft is placed in the two of main shearing tool apron Side;
(2), cutterhead is set on swivel knife shaft, and shearing is arranged on main shearing tool apron in the setting shearing cutter tooth on cutterhead Groove up and down, shear the facewidth two sides of cutter tooth, tooth top respectively with the groove two sides of shearing and groove slot bottom phase Cooperation;
(3), reinforcing bar is put into downwards from the top position of main shearing tool apron, so that being fallen between a pair of of swivel knife shaft under reinforcing bar;
(4), swivel knife shaft rotates, and the shear knife hook on swivel knife shaft lives reinforcing bar, and reinforcing bar is pressed to main shearing tool apron In upper plane;
(5), swivel knife shaft continues to rotate, and carries out pressure shearing to the reinforcing bar being located at main shearing tool apron upper groove;
(6) it is located at the reinforcing bar at main shearing tool apron upper groove to be cut under the action of shear force, the reinforcing bar segment sheared off exists The groove under the promotion of cutter tooth on main shearing tool apron is sheared, the lower section of groove is dropped down onto.
2. a kind of reinforcing bar breaking method according to claim 1, which is characterized in that in the method (2), rotating knife The cutterhead quantity being arranged on axis has multiple and is spaced apart, the quantity phase of the number of recesses and cutterhead that are arranged on main shearing tool apron Deng, and be arranged on the same swivel knife shaft between adjacent cutterhead and be equipped with annular groove, the slot bottom of the annular groove and the main shearing The protrusion top surface formed between adjacent two groove on tool apron matches.
3. a kind of reinforcing bar breaking method according to claim 1, which is characterized in that relative to the main shearing tool apron It says positioned at the position of the other side of the swivel knife shaft, is fixedly installed auxiliary shear knife compatible with the swivel knife shaft Seat, the auxiliary shear the groove for being provided on tool apron and matching with the facewidth two sides of the shearing cutter tooth and tooth top, and institute Groove is stated to be arranged up and down;Simultaneously during shearing manipulation, by controlling the positive and negative rotation of swivel knife shaft, reinforcing bar is realized Double direction shear is broken.
4. a kind of reinforcing bar crushing plant using reinforcing bar breaking method described in any one of claims 1 to 3, feature exist In including crushing chamber, the charging hopper being connected to above the crushing chamber, rotation is provided with for reinforcing bar in the crushing chamber A pair of of swivel knife shaft of shearing-crushing is carried out, is fixedly installed and a pair of of rotating knife between a pair of of swivel knife shaft The compatible main shearing tool apron of axis, the swivel knife shaft include shaft and are arranged in the shaft and are spaced apart several The cutterhead of quantity, it is peripherally disposed on the cutterhead to have several shearing cutters tooth, it is provided on the main shearing tool apron and institute The groove that the facewidth two sides and tooth top for stating shearing cutter tooth match, the groove are arranged up and down.
5. a kind of reinforcing bar crushing plant according to claim 4, which is characterized in that be arranged on the same swivel knife shaft Adjacent cutterhead between be equipped with annular groove, formed between adjacent two groove on the slot bottom of the annular groove and the main shearing tool apron convex Portion top surface matches.
6. a kind of reinforcing bar crushing plant according to claim 4, which is characterized in that be arranged on the same swivel knife shaft Cutterhead in, the shearing cutter tooth at least more than two its cutterhead of cutterhead mutually staggers setting in circumferencial direction.
7. a kind of reinforcing bar crushing plant according to claim 4, which is characterized in that the main shearing tool apron is piecemeal combination The main shearing tool apron of formula, and the main shearing tool apron is detachable.
8. a kind of reinforcing bar crushing plant according to claim 4, which is characterized in that lean on the main shearing on the cutterhead Its direction of rotation of the position of tool apron side it is tangential downwardly directed.
9. a kind of reinforcing bar crushing plant according to claim 4, which is characterized in that further include being connect with the swivel knife shaft And the power device of the swivel knife shaft rotation is driven, the power device is hydraulic transmission.
10. a kind of reinforcing bar crushing plant according to claim 4, which is characterized in that further include fixed setting with it is described The compatible auxiliary of swivel knife shaft shears tool apron, and the auxiliary shearing tool apron is located at described for the main shearing tool apron The other side of swivel knife shaft;It is provided on the auxiliary shearing tool apron and matches with the facewidth two sides of the shearing cutter tooth and tooth top The groove of conjunction, and the groove is arranged up and down.
CN201811091152.1A 2018-09-19 2018-09-19 A kind of reinforcing bar breaking method and the reinforcing bar crushing plant using the breaking method CN109201249A (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102189028A (en) * 2010-03-04 2011-09-21 江苏朝阳液压机械集团有限公司 Fixed-blade type crusher for biomass power generation
CN203508136U (en) * 2013-08-13 2014-04-02 广州市联冠机械有限公司 Heavy biaxial steel scrap shredding machine
WO2017012623A1 (en) * 2015-07-17 2017-01-26 Plastix A/S An apparatus and a method for the comminution of fishing nets
CN207169906U (en) * 2017-08-15 2018-04-03 苏州耐德新明和工程技术有限公司 Disintegrating machine
CN207324997U (en) * 2017-09-11 2018-05-08 广东隽诺环保科技股份有限公司 A kind of prebreaker

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102189028A (en) * 2010-03-04 2011-09-21 江苏朝阳液压机械集团有限公司 Fixed-blade type crusher for biomass power generation
CN203508136U (en) * 2013-08-13 2014-04-02 广州市联冠机械有限公司 Heavy biaxial steel scrap shredding machine
WO2017012623A1 (en) * 2015-07-17 2017-01-26 Plastix A/S An apparatus and a method for the comminution of fishing nets
CN207169906U (en) * 2017-08-15 2018-04-03 苏州耐德新明和工程技术有限公司 Disintegrating machine
CN207324997U (en) * 2017-09-11 2018-05-08 广东隽诺环保科技股份有限公司 A kind of prebreaker

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