CN204365909U

CN204365909U - Bar cropper

Info

Publication number: CN204365909U
Application number: CN201420776738.2U
Authority: CN
Inventors: 朱超; 韩雄伟; 李欣星; 朱留宪; 费国胜
Original assignee: Sichuan Engineering Technical College
Current assignee: Sichuan Engineering Technical College
Priority date: 2014-12-11
Filing date: 2014-12-11
Publication date: 2015-06-03
Anticipated expiration: 2024-12-11

Abstract

A kind of bar cropper, comprise housing, eccentric stiffener, bevel gear mechanism and motor, this enclosure interior installs bevel gear mechanism and eccentric stiffener from top to bottom, this motor drives bevel gear mechanism, make bevel gear mechanism drive the eccentric stiffener of a pair symmetry, make the entirety of the blade in eccentric stiffener reciprocating along cutting direction, and each self-corresponding rotating shaft on these two eccentric stiffeners, on housing from top to bottom direction, axial-rotation in opposite direction.The eccentric stiffener of a pair symmetry is devised in the utility model, on these two eccentric stiffeners each self-corresponding blade mutually in opposite directions act on workpiece, effectively add chip power, the kind of drive of bevel gear structure, make cutting machine more compact structure, transmission performance is higher.

Description

Bar cropper

Technical field

The utility model relates to construction apparatus, specifically a kind of bar cropper.

Background technology

Bar cropper is special-purpose machinery reinforcing bar being cut into Len req, mechanical transmission-type bar cropper in the past, motor is mostly adopted to drive, after one-level V--belt Drive and secondary gear gear reduction, drive crankshaft rotating, this kind of bar cropper is owing to have employed one-level V belt translation and secondary gear transmission, structure is not compact, install, debug complexity, manufacturing cost is higher, and the gear-driven poor performance of the Performance Ratio of V belt translation; Bent axle in cutting machine promotes connecting rod and makes slide block and cutting blade moving linearly in slideway, cutting blade is made to contact with ledger-plate and cut off reinforcing bar, this kind of bar cropper cuts owing to adopting cutting blade and ledger-plate to combine, its cutting provides cutting power by one side, its stock-removing efficiency is low, and cutting force is relatively little.

Summary of the invention

The purpose of this utility model is: for above-mentioned the deficiencies in the prior art, provides that a kind of cutting force is larger, transmission performance better, the bar cropper of compact conformation.

The technical solution adopted in the utility model is: a kind of bar cropper, comprise housing, eccentric stiffener, bevel gear mechanism and motor, described enclosure interior installs bevel gear mechanism and eccentric stiffener from top to bottom, described eccentric stiffener comprises rotating shaft, eccentric wheel, eccentric bushing and blade, described motor provides power source for bevel gear mechanism, make the rotating shaft in bevel gear mechanism driving eccentric stiffener and eccentric integral-rotation, the entirety of eccentric bushing and blade is driven to move back and forth along in cutting direction, described bevel gear mechanism vertically passes the axle I of housing upper end, one end outside housing receives power source, the bevel gear VI of this axle I in housing on one end engages with driven wheel of differential V on the driven wheel of differential IV on axle II and axle III respectively, on the left of this driven wheel of differential IV, place axle II there is bevel gear VII, on the right side of this driven wheel of differential V, place axle III there is bevel gear VIII, this bevel gear VII and bevel gear VIII respectively corresponding end with rotating shaft bevel gear in an eccentric stiffener engage, the axis of described bevel gear mechanism axis I respectively with the axes normal of this bevel gear mechanism axis II and axle III, parallel with the shaft axis in eccentric stiffener, arrange a pair symmetrical eccentric stiffener in described housing, and each self-corresponding rotating shaft on these two eccentric stiffeners, on housing direction from top to bottom, each other along contrary direction axial-rotation.

Described bevel gear mechanism axis I is provided with one-way clutch.

The rotating shaft fixed sleeves of described eccentric stiffener has eccentric wheel, and formation is fixedly connected with, and this eccentric wheel sleeve has eccentric bushing, and form and be flexibly connected, this eccentric bushing is fixedly connected with blade.

The chute of the entirety guiding of promising eccentric bushing and blade on described housing.

The beneficial effects of the utility model are: the utility model is compact conformation not only, installation and debugging are simple, manufacturing cost is lower, and design a pair symmetrical eccentric stiffener, on these two eccentric stiffeners each self-corresponding blade mutually in opposite directions act on workpiece, make cutting force larger, the transmission performance of bevel gear mechanism is higher relative to the performance of V belt translation.

Accompanying drawing explanation

Below in conjunction with accompanying drawing, the utility model is further described.

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

Fig. 2 is the structural representation after the utility model loads onto workpiece.

Fig. 3 is the A-A schematic cross-section of an eccentric stiffener in Fig. 1.

Code name implication in figure: 1-motor; 2-electric machine support; 3-bevel gear mechanism; I, II, III-axle;

IV, V-driven wheel of differential; VI, VII, VIII-bevel gear; 4-eccentric stiffener; 401-eccentric bushing; 402-blade; 403-eccentric wheel; 404-rotating shaft; 405-pin; 5-shaft coupling; 6-one-way clutch; 7-housing; 701-chute; 8-reinforcing bar.

Detailed description of the invention

Shown in Fig. 1, Fig. 2 and Fig. 3: the utility model is a kind of bar cropper, described cutting machine comprises housing 7, bevel gear mechanism 3, eccentric stiffener 4 and motor 1.The gear mechanism of enclosure interior makes whole bar cutting machine mechanism compacter, and wherein the composition of bevel gear mechanism 3 is all standard component, is convenient to adjustment and installation and replacing, significantly reduces manufacturing cost.

When described housing 7 is provided with for cutting off be guiding chute 701(be blade 402 and eccentric bushing 401 in eccentric stiffener 4 entirety guiding chute 701), this housing 7 inside installs bevel gear mechanism 3 and eccentric stiffener 4 from top to bottom, a pair symmetrical eccentric stiffener 4 is arranged in this housing 7 lower end, and, meet this to the eccentric stiffener 4 of symmetry can respectively with the bevel gear VII in bevel gear mechanism 3, the engagement of bevel gear VIII correspondence is (simpler in order to design, this two eccentric stiffener 4 can pass the axisymmetrical layout of place, housing 7 upper end axle I with bevel gear mechanism 3), each self-corresponding rotating shaft 404 on these two eccentric stiffeners 4, on housing 7 direction from top to bottom, each other along contrary direction axial-rotation, the axis of this bevel gear mechanism 3 place axle I respectively with the axes normal of this bevel gear mechanism 3 place axle II, axle III, with rotating shaft 404 axis being parallel in eccentric stiffener 4, in this housing 7, all axles are arranged on the bearing in housing 7, this bevel gear mechanism 3 one end passed outside the housing 7 of place, housing 7 upper end axle I accepts the outer power source provided by the motor 1 on electric machine support 2 of housing 7, this motor 1 receives power source one end by shaft coupling and axle I and is connected, quick-replaceable motor 1 or bar cropper, be more conducive to install and keep in repair motor 1 or bar cropper, bevel gear VI in housing 7 on one end engages with driven wheel of differential IV and driven wheel of differential V this axle I respectively, and one-way clutch 6 is installed on axle I, ensure motor 1 and bar cropper gentle start, power train is transshipped and is rotated by certain direction, locking in the other directions, ensure to need transmit or block Power output according to cutting machine at motor 1.

Wherein, in the housing 7 of left side, on the left of driven wheel of differential IV, place axle II there is bevel gear VII, the corresponding end with the bevel gear of an eccentric stiffener 4 place rotating shaft 404 of this bevel gear VII is engaged, this rotating shaft 404 outer surface is fixedly connected with eccentric wheel 403 inner surface, by key pin fix (or, adopt interference fit etc., lower same), this eccentric wheel 403 overcoat has eccentric bushing 401, this eccentric bushing 401 and blade 402 by fixing pin 405 be connected (or, be welded to connect, riveting etc., lower same), this coaxial bevel gear VII drive shaft 404 rotates together with eccentric wheel 403, drive the entirety of eccentric bushing 401 and blade 402 reciprocating along cutting direction in chute 701,

In right side housing 7, on the right side of driven wheel of differential V, place axle III there is bevel gear VIII, the corresponding end with the bevel gear of another eccentric stiffener 4 place rotating shaft 404 of this coaxial bevel gear VIII is engaged, this rotating shaft 404 outer surface is fixedly connected with eccentric wheel 403 inner surface, fixed by key pin, this eccentric wheel 403 overcoat has eccentric bushing 401, this eccentric bushing 401 is connected with blade 402 fixing pin 405, this coaxial bevel gear VIII drive shaft 404 rotates together with eccentric wheel 403, drives the entirety of eccentric bushing 401 and blade 402 to move back and forth along in cutting direction in chute 701.

If when one-way clutch 6 is closed, motor 1 is with moving axis I by shaft coupling 5, look down from housing 7 upper end, when rotating counterclockwise, bevel gear VI engages with driven wheel of differential IV and driven wheel of differential V, look on the left of housing 7, driven wheel of differential IV and axle II turn clockwise, coaxial bevel gear VII turns clockwise together, look on the right side of housing 7, driven wheel of differential V and axle III turn clockwise, coaxial bevel gear VIII turns clockwise together, coaxial bevel gear VII and the rotating shaft 404 epicone gears meshing of the eccentric stiffener 4 in left side, look down from housing 7 upper end, this eccentric stiffener 4 turns clockwise, band cutting blade 402 slides to the right, simultaneously, bevel gear in the rotating shaft 404 of coaxial another eccentric stiffener 4 of bevel gear VIII and right side engages, look down from housing 7 upper end, this eccentric stiffener 4 is rotated counterclockwise, band cutting blade 402 slides left, reinforcing bar 8(the utility model that one works cuts off chute 701 cut-off parts is not limited only to the cut-out to reinforcing bar, also can be the cut-out of other steel), two cutter actings in conjunction increase chip power to reinforcing bar, and (corresponding blade 402 is mutually in opposite directions on direction, cut off reinforcing bar 8), greatly improve operating efficiency, now, blade 402 on the eccentric stiffener 4 of the left and right sides contacts, the eccentric wheel 403 of two eccentric stiffeners 4 is in maximum position, under the state that one-way clutch 6 is opened, eccentric stiffener 4 transfixion.

If when one-way clutch 6 is closed, motor 1 is with moving axis I by shaft coupling 5, look down from housing 7 upper end, when rotating clockwise, bevel gear VI engages with driven wheel of differential IV and driven wheel of differential V, look on the left of housing 7, driven wheel of differential IV and axle II are rotated counterclockwise, coaxial bevel gear VII is rotated counterclockwise together, look on the right side of housing 7, driven wheel of differential V and axle III are rotated counterclockwise, coaxial bevel gear VIII is rotated counterclockwise together, coaxial bevel gear VII and the rotating shaft 404 epicone gears meshing of the eccentric stiffener 4 in left side, look down from housing 7 upper end, this eccentric stiffener 4 is rotated counterclockwise, band cutting blade slides to the right, simultaneously, bevel gear in the rotating shaft 404 of coaxial another eccentric stiffener 4 of bevel gear VIII and right side engages, look down from housing 7 upper end, this eccentric stiffener 4 turns clockwise, band cutting blade 402 slides left, reinforcing bar 8(the utility model that one works cuts off chute 701 cut-off parts is not limited only to the cut-out to reinforcing bar 8, also can be the cut-out of other steel), two cutter actings in conjunction increase the chip power to reinforcing bar, greatly improve operating efficiency, now, blade 402 on the eccentric stiffener 4 of the left and right sides contacts, the eccentric wheel 403 of two eccentric stiffeners 4 is in maximum position, under the state that one-way clutch 6 is opened, eccentric stiffener 4 transfixion.

Above-mentioned bevel gear VII, bevel gear VIII hold cooperation position not to be that specifically (as: bevel gear VII here, bevel gear VIII can be see position as shown in Figure 1 and Figure 2 with the bevel gear of the rotating shaft 404 in each self-corresponding eccentric stiffener 4, also can be the right side engagement that bevel gear VII and bevel gear VIII are arranged in the rotating shaft 404 bevel gear end of respective eccentric stiffener simultaneously), as long as meet each self-corresponding rotating shaft 404 on two eccentric stiffeners 4, on housing 7 direction from top to bottom, each other along contrary direction axial-rotation.

Axle in each mechanism in above-mentioned bar cropper is installed in the supporting of this cutting machine housing 7, otherwise can certainly install the axle of each mechanism, can meet bar cropper and normally work.

The technical scheme of above embodiment, only in order to the utility model to be described, is not intended to limit.

Claims

1. a bar cropper, comprise housing (7), bevel gear mechanism (3), eccentric stiffener (4) and motor (1), described housing (7) inside installs bevel gear mechanism (3) and eccentric stiffener (4) from top to bottom, described eccentric stiffener (4) comprises rotating shaft (404), eccentric wheel (403), eccentric bushing (401) and blade (402), described motor (1) provides power source for bevel gear mechanism (3), bevel gear mechanism (3) is made to drive the integral-rotation of rotating shaft (404) in eccentric stiffener (4) and eccentric wheel (403), drive the entirety of eccentric bushing (401) and blade (402) reciprocating along cutting direction, it is characterized in that: described bevel gear mechanism (3) vertically passes the axle (I) of housing (7) upper end, power source is received in housing (7) one end outward, the bevel gear (VI) of this axle (I) in housing (7) on one end engages with the driven wheel of differential (IV) on axle (II) and the upper driven wheel of differential (V) of axle (III) respectively, this driven wheel of differential (IV) place axle, left side (II) there is bevel gear (VII), this driven wheel of differential (V) place axle, right side (III) there is bevel gear (VIII), this bevel gear (VII) and bevel gear (VIII) respectively corresponding end with eccentric stiffener (4) inner rotating shaft (404) bevel gear engage, the axis of described bevel gear mechanism (3) axis (I) respectively with the axes normal of this bevel gear mechanism (3) axis (II) and axle (III), with rotating shaft (404) axis being parallel in eccentric stiffener (4), arrange a pair symmetrical eccentric stiffener (4) in described housing (7), and the upper each self-corresponding rotating shaft (404) of these two eccentric stiffeners (4), on housing (7) direction from top to bottom, each other along contrary direction axial-rotation.

2. bar cropper according to claim 1, is characterized in that: described bevel gear mechanism (3) axis (I) is provided with one-way clutch (6).

3. bar cropper according to claim 1, it is characterized in that: rotating shaft (404) fixed sleeves of described eccentric stiffener (4) has eccentric wheel (403), formation is fixedly connected with, this eccentric wheel (403) overcoat has eccentric bushing (401), form and be flexibly connected, this eccentric bushing (401) is fixedly connected with blade (402).

4. bar cropper according to claim 1, is characterized in that: the chute (701) of the entirety guiding of the upper promising eccentric bushing (401) of described housing (7) and blade (402).