CN2269259Y - Novel stretch bending stress material cutter - Google Patents

Novel stretch bending stress material cutter Download PDF

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Publication number
CN2269259Y
CN2269259Y CN 96202851 CN96202851U CN2269259Y CN 2269259 Y CN2269259 Y CN 2269259Y CN 96202851 CN96202851 CN 96202851 CN 96202851 U CN96202851 U CN 96202851U CN 2269259 Y CN2269259 Y CN 2269259Y
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CN
China
Prior art keywords
bar
grooving
hollow spindle
stretch bending
stretch
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN 96202851
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Chinese (zh)
Inventor
魏庆同
郎福元
芮执元
黄建龙
赵邦戟
韦尧兵
靳伍银
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GANSU POLYTECHNIC UNIV
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GANSU POLYTECHNIC UNIV
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Priority to CN 96202851 priority Critical patent/CN2269259Y/en
Application granted granted Critical
Publication of CN2269259Y publication Critical patent/CN2269259Y/en
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Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a stretch bending stress material cutter. The end part of a hollow main shaft in a groove cutting mechanism is provided with a cutter head. A bar stock is fixed and clamped by a clamp when the groove is cut. A grooving cutter simultaneously does a radial feeding movement following the rotation of the cutter head, and a V-shaped annular notch is cut on the bar stock. The lower part of a stretch bending force applying component in a stretch bending pre-charged mechanism is provided with a wedge-shaped punching head. A support component is composed of two V-shaped support blocks and a support regulating element. The punching head is wedged in the annular notch on the bar stock, a stretch bending preload is formed to the annular notch by the two support blocks and the punching head, and the bar stock is broken along the notch under the function of a pressure mechanism.

Description

A kind of novel stretch-bending type stress cutting machine
The invention belongs to the fracture range of work in the machined field.
Band sawing machine is a kind of blanking equipment that has competitiveness both at home and abroad, but the consumption of band sawing machine saw blade is bigger, and can produce a large amount of sawdust in the sawing process, especially for the blanking of the bigger material of hardness ratios such as high-speed tool steel, bearing steel, the consumption of saw blade is then bigger.
Tubing blanking in the prior art also has adopts special cutting equipment, as the patent No. is that CN87203976, name are called the cutting equipment of " pipe cut-off machines ", higher to the tubing cutting efficiency, but when cutting for the higher bar of bar especially hardness, efficient is not high, and material consumption is bigger.
Germany develops a kind of precise blanking device of bar, its patent No. is DE3535-821-A, name is called " metal sheet slitting lathe ", this Deutsche Bundespatent is that accurate shearing mould is configured on the punch press, improved the cross section quality of middle low carbon steel and the blanking of alloy type material greatly, but this device shreds bar easily to high-strength steel class materials such as high-speed steel, bearing steels.
The invention is a kind of novel stretch-bending type stress cutting machine, it comprises a lathe bed, a feed mechanism of mainly forming by feeding oil cylinder and anchor clamps, a front end feed mechanism of mainly forming by the friction train, a pressure mechanism, one hollow spindle is arranged in the grooving mechanism, bar can pass from the hole of this hollow spindle, the invention is characterised in that it mainly is made up of grooving mechanism and the pre-lotus of stretch bending mechanism, wherein the end of the hollow spindle in the grooving mechanism have one with the cutterhead of the axis normal of hollow spindle, knife rest is installed on the cutterhead, the grooving cutter that is contained on the knife rest can be done the radial feed motion with knife rest on cutterhead, bar is sent in the grooving mechanism by feed mechanism, when grooving, keep static by the anchor clamps clamping, grooving cutter is done the radial feed motion in the cutterhead rotation, cutting goes out V-type annular incision on bar.The pre-lotus of stretch bending mechanism mainly is made up of stretch bending force application part and support unit, wherein there is the drift of a wedge shape lower end of stretch bending force application part, support unit props up piece by two V-types and forms with the supporting adjusting parts that the supporting V-type is propped up piece, wedge shape drift in the stretch bending force application part is under the effect of pre-lotus force application part, wedge at a slow speed or pour fast in the annular incision on the bar, propping up piece with two V-types preloads 3 stretch bendings of formation of annular incision place, under the effect of pressure mechanism, bar is ruptured along incision.
A kind of novel stretch-bending type stress cutting machine from the above mentioned, its grooving mechanism is an a kind of cam pressure lever type grooving mechanism, comprise a casing that is contained on the lathe bed, one belt pulley, a hollow spindle, the cam pressure lever type grooving mechanism of the invention mainly is by hollow spindle, hollow sleeve, piston cylinder, piston, sliding sleeve, connecting pin, cam, depression bar, cutterhead, slide plate, knife rest and the grooving cutter that is installed on the knife rest are formed, hollow sleeve is coaxial and be contained in the hollow spindle with hollow spindle, piston cylinder is contained on the casing, it is outer and coaxial with hollow spindle that sliding sleeve is sleeved on hollow spindle, piston bush is contained in outside the sliding sleeve, link with sliding sleeve and coaxial with sliding sleeve, sliding sleeve links by a connecting pin and hollow sleeve, cam is coaxial and be sleeved on outside the hollow spindle with hollow spindle, cam links by a connecting pin and hollow sleeve, the position of corresponding connecting pin has a cotter way vertically on hollow spindle, piston can drive sliding sleeve, by hollow sleeve and connecting pin, cam is moved, the swing of drive depression bar makes knife rest do the radial feed motion.
A kind of novel stretch-bending type stress cutting machine from the above mentioned, the annular incision on the bar is aimed at the tip of the wedge shape drift in the pre-lotus of the stretch bending mechanism in the stretch bending force application part, two V-types that bar lies in a horizontal plane in the support unit are propped up on the piece, the pre-lotus of the stretch bending of the invention mechanism is characterised in that: the stretch bending force application part comprises the traveller that transmits stamping press, the wedge shape drift is contained in the lower end of traveller, traveller is contained in the piston and can moves up and down at piston cylinder with piston, piston cylinder is contained in the bearing, at flange bottom suit one back-moving spring at traveller middle part, bearing is contained on the lathe bed; Two V-types of support unit are propped up packaged on supporting base, supporting base is installed on the horizontal plane of skewback upper end, a sliding motion pair is formed with the inclined-plane of following skewback upper end in the inclined-plane of last skewback lower end, the lathe bed partition wall is contained on the lathe bed, one feed screw nut's drive disk assembly is housed on the lathe bed partition wall, one end of screw rod and following skewback higher an end link, the other end and handwheel or motor link, rotate handwheel or start motor, skewback is moved up and down, make bar coaxial with the hollow spindle maintenance in the grooving mechanism.
The purpose of the invention is that high-strength steel class bars such as high-speed steel, bearing steel are carried out efficient, accurate blanking, and the consumption of reduction instrument and bar.
Bar keeps static and carries out grooving and the pre-lotus of stretch bending and execute and carry in the invention, and the fracture rule is smooth, has reduced the consumption of material and instrument, and has improved the efficient of blanking.
Fig. 1 is the key mechanism of the invention and the structure diagram of parts.
Fig. 2 is the complete machine outward appearance installation diagram of an embodiment of the invention.
Fig. 3 is the installation diagram of grooving mechanism in the invention the foregoing description.
Fig. 4 is the installation diagram of the pre-lotus of stretch bending mechanism in the invention the foregoing description.
Launch the details of the invention below in conjunction with accompanying drawing.
Fig. 1 is the key mechanism of the invention and the structure diagram of parts, by the feed mechanism (not shown) bar 6 is sent in anchor clamps 2 and the grooving mechanism 1, anchor clamps 2 keep static with bar 6 clampings when grooving, 1 action of grooving mechanism, grooving cutter is being done the radial feed motion under the drive of cutterhead when bar 6 rotates, cutting goes out V-ring shape grooving on bar 6, anchor clamps 2 unclamp, by front end (front end is meant the front end that is positioned at pre-lotus mechanism) feed mechanism 7 bar is sent into pre-lotus mechanism herein, by positioning element 4 location, the front end feed mechanism is made up of the friction train.Pre-lotus mechanism mainly is made up of pre-lotus force application part 5 and support unit 3, there is a wedge shape drift lower end of pre-lotus force application part 5, its effect is that the pressure with pressure mechanism passes to the annular incision on the bar 6, support unit 3 comprises that mainly two V-types prop up piece, bar 6 is sent into these two V-types by front end feed mechanism 7 and is propped up on the piece, the wedge shape drift is wedged at a slow speed or fast on annular incision in the bar 6, prop up piece by wedge shape drift and two V-types the annular incision on the bar 6 is formed 3 stretch bending load, under the effect of pressure mechanism, bar 6 is ruptured along annular incision place.
Fig. 2 is the complete machine outward appearance installation diagram of an embodiment of the invention, and wherein 9 is the casing of pre-lotus mechanism, and 10 is pressure mechanism.
Fig. 3 is the installation diagram of grooving mechanism 1 in the invention the foregoing description, and the motion of slot-cutting machine structure is described visually with drive path below:
The main motion drive path:
Belt pulley 1-2 (rotation) → hollow spindle 1-1 → cutterhead 1-11 (rotation);
The feed motion drive path:
Piston 1-18 (straight line moves) → sliding sleeve 1-17 → connecting pin 1-20 → hollow sleeve 1-15 → connecting pin 1-14 → cam 1-13 → depression bar 1-7 (rotation) → slide plate 1-10 (moving radially) → knife rest 1-9 → cutter 1-8 (moving radially).
The name of the parts of other sequence number is called among Fig. 3:
The 1-3-belt, 1-4-ring flange, 1-5-cylinder body, 1-6-casing, the 1-12-balance weight, 1-16-cotter way, 1-19-ring flange, 1-21-bearing block, the 1-22-round nut can be clear that rigging position and the effect thereof of above-mentioned each parts in grooving mechanism from Fig. 3, do not do at this and give unnecessary details.
Fig. 4 is the installation diagram of the pre-lotus of stretch bending mechanism in the invention the foregoing description, stretch bending force application part 5 comprises the traveller 5-1 that transmits stamping press, wedge shape drift 5-7 is contained in the lower end of traveller 5-1, traveller 5-1 is contained among the piston 5-3 and can moves up and down in piston cylinder 5-2 with piston 5-3, piston cylinder 5-2 is contained among the bearing 5-4, at the flange bottom suit one back-moving spring 5-6 at traveller 5-1 middle part, bearing 5-4 is contained on the lathe bed 8; Two V-types of support unit 3 are propped up piece 3-1 and are contained on the supporting base 3-3, supporting base 3-3 is installed on the horizontal plane of skewback 3-5 upper end, a sliding motion pair is formed with the inclined-plane of following skewback 3-6 upper end in the inclined-plane of last skewback 3-5 lower end, lathe bed partition wall 3-4 is contained on the lathe bed 8, one feed screw nut's drive disk assembly 3-8 is housed on lathe bed partition wall 3-4, the end of screw rod 3-8 and following skewback 3-6 higher an end link, the other end and handwheel 3-7 or motor link, rotate handwheel 3-7 or start motor, skewback 3-5 is moved up and down, make bar 6 coaxial with the hollow spindle 1-1 maintenance in the grooving mechanism 1.
Grooving mechanism 1 is behind the good V-type annular of cutting on the bar 6 grooving, by front end feed mechanism 7 bar 6 is sent in the pre-lotus of the stretch bending mechanism, lying in a horizontal plane in two V-types props up on the piece 3-1, make the tip of wedge shape drift 5-7 aim at annular grooving on the bar 6, by pre-lotus force application part 5 with on the annular incision on the drift 5-7 wedging bar 6, realize compressing in advance, then by 10 pairs of pre-lotus force application part 5 imposed loads of forcing press, the annular incision that makes bar 6 is under the effect of stretch bending combined load, along incision rule fracture, broken behind the material, pressure is removed, and under the effect of back-moving spring 5-6 cylinder traveller 5-1 and chock 5-7 is resetted.

Claims (3)

1, the utility model is a kind of novel stretch-bending type stress cutting machine, it comprises a lathe bed, a feed mechanism of mainly forming by feeding oil cylinder and anchor clamps, a front end feed mechanism of mainly forming by the friction train, a pressure mechanism, one hollow spindle is arranged in the grooving mechanism, bar can pass from the hole of this hollow spindle, it is characterized in that it mainly is made up of grooving mechanism and the pre-lotus of stretch bending mechanism, wherein the end of the hollow spindle of grooving mechanism have one with the cutterhead of the axis normal of hollow spindle, knife rest is installed on the cutterhead, the grooving cutter that is contained on the knife rest can be done the radial feed motion with knife rest on cutterhead, bar is sent in the grooving mechanism by feed mechanism, keeps static by the anchor clamps clamping when grooving, grooving cutter is done the radial feed motion in the cutterhead rotation, cutting goes out V-type annular incision on bar; The pre-lotus of stretch bending mechanism mainly is made up of stretch bending force application part 5 and support unit 3, wherein there is a wedge shape drift lower end of stretch bending force application part 5, support unit 3 props up piece by two V-types and forms with the supporting adjusting parts that the supporting V-type is propped up piece, wedge shape drift in the stretch bending force application part 5 is under the effect of pre-lotus force application part 5, wedge at a slow speed or pour fast in the annular incision on the bar, propping up piece with two V-types preloads 3 stretch bendings of formation of annular incision place, under the effect of pressure mechanism, bar is ruptured along incision.
2, a kind of novel stretch-bending type stress cutting machine according to claim 1, it is characterized in that its grooving mechanism is an a kind of cam pressure lever type grooving mechanism, this grooving mechanism is mainly by hollow spindle 1-1, hollow sleeve 1-15, piston cylinder 1-5, piston 1-18, sliding sleeve 1-17, connecting pin 1-14, cam 1-13, depression bar 1-7, cutterhead 1-11, slide plate 1-10, knife rest 1-9 and the grooving cutter 1-8 that is installed on the knife rest form, hollow sleeve 1-15 is coaxial and to be installed in hollow spindle 1-1 outer and coaxial with hollow spindle 1-1 with hollow spindle 1-1, piston 1-18 is sleeved on outside the sliding sleeve 1-17, link with sliding sleeve 1-17 and coaxial with sliding sleeve 1-17, sliding sleeve 1-17 links by a connecting pin 1-14 and hollow sleeve 1-15, cam 1-13 is coaxial and be sleeved on outside the hollow spindle 1-1 with hollow spindle 1-1, cam 1-13 links by a connecting pin 1-14 and hollow sleeve 1-15, the position of corresponding connecting pin 1-14 has a cotter way vertically on hollow spindle 1-1, piston 1-18 can drive sliding sleeve 1-17, by hollow sleeve 1-17 and connecting pin 1-14, cam 1-13 is moved, drive depression bar 1-7 swing, make knife rest do the radial feed motion.
3, a kind of novel stretch-bending type stress cutting machine according to claim 1, the annular incision on the bar 6 is aimed at the tip that it is characterized in that the wedge shape drift 5-7 on the force application part 5 in the pre-lotus of its stretch bending mechanism, two V-types that bar 6 lies in a horizontal plane in the support unit 3 are propped up on the piece, stretch bending force application part 5 comprises the traveller 5-1 that transmits stamping press, wedge shape drift 5-7 is contained in the lower end of traveller 5-1, traveller 5-1 is contained among the piston 5-3 and can moves up and down at piston cylinder 5-2 with piston 5-3, piston cylinder 5-2 is contained among the bearing 5-4, flange bottom suit one back-moving spring 5-6 at traveller 5-1 middle part, bearing 5-4 is contained on the lathe bed 8, two V-types of support unit 3 are propped up piece 3-1 and are contained on the supporting base 3-3, supporting base 3-3 is installed on the horizontal plane of skewback 3-5 upper end, a sliding motion pair is formed with the inclined-plane of following skewback 1-6 upper end in the inclined-plane of last skewback 3-5 lower end, lathe bed partition wall 3-4 is contained on the lathe bed 8, one feed screw nut's drive disk assembly 3-8 is housed on lathe bed partition wall 3-4, the higher end of the end of screw rod 3-8 and following skewback 3-6 links, the other end and handwheel 3-7 or motor link, rotate handwheel 3-7 or start motor, skewback 3-5 is moved up and down, make bar 6 coaxial with the hollow spindle 1-1 maintenance in the grooving mechanism 1.
CN 96202851 1996-02-14 1996-02-14 Novel stretch bending stress material cutter Expired - Fee Related CN2269259Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 96202851 CN2269259Y (en) 1996-02-14 1996-02-14 Novel stretch bending stress material cutter

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Application Number Priority Date Filing Date Title
CN 96202851 CN2269259Y (en) 1996-02-14 1996-02-14 Novel stretch bending stress material cutter

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CN2269259Y true CN2269259Y (en) 1997-12-03

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102672067A (en) * 2012-05-02 2012-09-19 西安交通大学 Precise rotary rod pipe material blanking device with hydraulic controllable single piston
CN103042429A (en) * 2013-01-24 2013-04-17 苏州市职业大学 Quick-changing type high-precision feeder
CN103658240A (en) * 2013-12-06 2014-03-26 中国石油大学(华东) Bar V-shaped groove tip microcrack preparing method based on straightening mechanism
CN103769807A (en) * 2013-12-20 2014-05-07 柳州市六顺汽车部件有限公司 Workpiece cutting method
CN106040920A (en) * 2016-08-22 2016-10-26 陶胜治 Stress breaking process of automatic spring coiler for spring wires
CN112809459A (en) * 2021-01-19 2021-05-18 浙江荣荣实业有限公司 Processing equipment and processing method for water service pipe in inner cavity of heating radiator

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102672067A (en) * 2012-05-02 2012-09-19 西安交通大学 Precise rotary rod pipe material blanking device with hydraulic controllable single piston
CN102672067B (en) * 2012-05-02 2014-03-12 西安交通大学 Precise rotary rod pipe material blanking device with hydraulic controllable single piston
CN103042429A (en) * 2013-01-24 2013-04-17 苏州市职业大学 Quick-changing type high-precision feeder
CN103658240A (en) * 2013-12-06 2014-03-26 中国石油大学(华东) Bar V-shaped groove tip microcrack preparing method based on straightening mechanism
CN103769807A (en) * 2013-12-20 2014-05-07 柳州市六顺汽车部件有限公司 Workpiece cutting method
CN106040920A (en) * 2016-08-22 2016-10-26 陶胜治 Stress breaking process of automatic spring coiler for spring wires
CN106040920B (en) * 2016-08-22 2018-03-09 陶胜治 Spring steel wire automatic spring winding machine stress break process
CN112809459A (en) * 2021-01-19 2021-05-18 浙江荣荣实业有限公司 Processing equipment and processing method for water service pipe in inner cavity of heating radiator

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C19 Lapse of patent right due to non-payment of the annual fee
CF01 Termination of patent right due to non-payment of annual fee