CN2897476Y - Special-section steel cold-extruding rotating die bit - Google Patents

Special-section steel cold-extruding rotating die bit Download PDF

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Publication number
CN2897476Y
CN2897476Y CN 200620102609 CN200620102609U CN2897476Y CN 2897476 Y CN2897476 Y CN 2897476Y CN 200620102609 CN200620102609 CN 200620102609 CN 200620102609 U CN200620102609 U CN 200620102609U CN 2897476 Y CN2897476 Y CN 2897476Y
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CN
China
Prior art keywords
pinch roller
slide block
cold extrusion
roller
die head
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Expired - Lifetime
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CN 200620102609
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Chinese (zh)
Inventor
凌一波
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凌一波
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Priority to CN 200620102609 priority Critical patent/CN2897476Y/en
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Abstract

The utility model disclose a rolling mold head for cold extruding profile steel bar including a frame base plate fixed with cold extruding drawhead; the mold head base plate is jointed with a fastening part to be integrated round disc mold with a cross type inner gravity groove, such cross cavity is fixed with two sets of slid block as symmetrical up-down arrangement in pair and symmetrical right -left arrangement, the recession of slide block is cooperated with a slide block compression wheel constituted with a roller passed by horizontal pin. The topside of the slid block shall be connected with a screw bar which is connected with a screw hole of the disc mold and the adjust nut for regulation of process profile rang of the mold head. The structure is simple and adjustment is convenient.

Description

A kind of cold extrusion special section rolling die head
Technical field
The utility model relates to film tool equipped on the cold drawn shaped steel drawbench, relates in particular to a kind of cold extrusion special section rolling die head, and it is installed on the common cold drawing machine, be applicable to A3,45#, 20Cr, circle base materials such as 40Cr are processed into the square type, the four directions type, drum type and be similar to the special-shaped product of scope.
Background technology
Present general cold drawn shaped steel drawbench, the a collection of product of every processing by the pattern requirement, all need the moulding of 2-4 operation ability of drawing, to meet processing request, every drawing once all need be changed the mould of a design code, if will reach the requirement of processing, need the mould of 2-4 design code of transposing, again because certain batch and quantity are produced in processing, with factors such as blank materials, factor affecting such as the wearing and tearing of mould and fatigue strength get and in time change or correction different size, difform converted products, all need to prepare the mould of a whole set of (2-4 is only), so the quantity of mould is big, the production cost height, pass through the product of cold extrusion drawing again, material molecule is organized the density inequality, and toughness and mechanical strength reduce, surface brightness, fineness is not high, is difficult to reach the product standard of high requirement.
Summary of the invention
Technical problem to be solved in the utility model is at above-mentioned deficiency, provides a kind of simple in structure, operates easy to adjustly, and can directly install, dismantle cold extrusion special section rolling die head on original common cold extrusion drawbench.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: a kind of cold extrusion special section rolling die head, comprise can with the fixing mould framing plate of cold extrusion drawbench head, mould framing plate is fastened with the disk die body that is connected as a single entity through securing member, the technical measures of taking comprise: the disk die body has cross inner chamber groove, be equipped with respectively in this cross inner chamber slotted eye and be positioned at deserving to be called, following arrangement and pairing work and a symmetry left side, right also each the two cover slide block of pairing work of arranging, the all corresponding supporting slide block pinch roller that runs through moulding pinch roller formation through lateral pin in the recess of slide block, the equal apical grafting of the end face of slide block has adjusting screw(rod), this adjusting screw(rod) disk die body pit that is threaded, and be fitted with the locknut that is used to regulate die head machine-shaping scope.
The technical measures of taking also comprise: lateral pin, the rolling friction in roller and moulding pinch roller hole solved lateral pin and moulding pinch roller because insufficient lubrication and the excessive lubricating film of blank briquetting pressure are difficult lubricated, and friction is until the consequence that produces " killing ".Be equipped with roller between the external diameter of lateral pin and the moulding pinch roller endoporus.
Better lubricated for obtaining, two pairs of quadruplet slide blocks of whole cross inner chamber of getting to know and lateral pin, roller, moulding pinch roller adopt oil pump circulation cast oil lubrication; Be positioned at the left and right a pair of moulding pinch roller of symmetric arrays and respectively have the spiral oil-feed tank to the upper surface, for lubricating of roller rolling friction, cooling and cleaning.
For eliminating fretting wear, improve the form and position tolerance precision, a plane bearing of between next end face and slide block recess inner groove surface, being furnished with the suit lateral pin at the left and right a pair of described moulding pinch roller of symmetric arrays, this plane bearing has and bears the fretting wear of moulding pinch roller to lower surface and slide block recess inner groove surface, the axial float of control moulding pinch roller.The concrete trim ring that is assembled on the plane bearing is equipped mutually with the moulding pinch roller, and its lower clamping ring is equipped with mutually with slide block.
Fully enter in the roller clearance gap by helicla flute for ease of lubricating oil, the spiral oil-feed tank is three.
The machining accuracy of product and surface smoothness are jumped absolute value by the tolerance movingly of the die body of the whole series rolling die head and slide block and the two pairs of moulding pinch roller external diameter surface fineness and footpath and are guaranteed; For improving lateral pin, the wearability and the mechanical strength of roller and moulding pinch roller all adopt high-quality tool steel, alloy tool steel and Technology for Heating Processing; Roller, lateral pin, moulding pinch roller are the machine-shaping of heat treatment correct grinding.
The roller diameter range is φ 4mm to φ 8mm.
Compared with prior art, the disk die body that the utility model adopts has cross inner chamber groove, be equipped with each the two cover slide block that is positioned at symmetrical upper and lower arrangement and pairing work and symmetrical left and right arrangement and pairing work in this cross inner chamber slotted eye respectively, the all corresponding supporting slide block pinch roller that runs through moulding pinch roller formation through lateral pin in the recess of slide block, the equal apical grafting of the end face of slide block has adjusting screw(rod), this adjusting screw(rod) disk die body pit that is threaded, and be fitted with the locknut that is used to regulate die head machine-shaping scope.The process principle of cold extrusion rolling die head is that drawing is finished after the roll forming, so that the material structure of its product becomes density is even, and good toughness, the mechanical strength height, surface smoothness, brightness are good, and non-oxidation layer phenomenon produces.It is simple in structure, operates easy to adjustly, and can directly install, dismantle on original common cold extrusion drawbench.
Description of drawings
Fig. 1 is the overall structure schematic diagram of the utility model embodiment;
Fig. 2 is slide block, lateral pin, the moulding puck components front schematic view of Fig. 1.
The specific embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
Structure of the present utility model is seen Fig. 1, shown in Figure 2.
A kind of cold extrusion special section rolling die head, comprise can with the fixing mould framing plate 1 of cold extrusion drawbench head, mould framing plate 1 is fastened with the disk die body 3 that is connected as a single entity through securing member, disk die body 3 has cross inner chamber groove, be equipped with respectively in this cross inner chamber slotted eye and be positioned at deserving to be called, following arrangement and pairing work and a symmetry left side, right also each the two cover slide block 8 of pairing work of arranging, the all corresponding supporting slide block pinch roller that runs through moulding pinch roller 9 formations through lateral pin 12 in the recess of slide block 8, the equal apical grafting of the end face of slide block 8 has adjusting screw(rod) 4, this adjusting screw(rod) 4 disk die body 3 pits that are threaded, and be fitted with the locknut 5 that is used to regulate die head machine-shaping scope.
Lateral pin, the rolling friction in roller and moulding pinch roller hole solved lateral pin and moulding pinch roller because insufficient lubrication and the excessive lubricating film of blank briquetting pressure are difficult lubricated, and friction is until the consequence that produces " killing ".Be equipped with roller 10 between the external diameter of lateral pin 12 and moulding pinch roller 9 endoporus.
Better lubricated for obtaining, two pairs of quadruplet slide blocks of whole cross inner chamber of getting to know and lateral pin, roller, moulding pinch roller adopt oil pump circulation cast oil lubrication; Be positioned at the left and right a pair of moulding pinch roller 9 of symmetric arrays and respectively have the spiral oil-feed tank to the upper surface, for lubricating of roller 10 rolling friction, cooling and cleaning.
For eliminating fretting wear, improve the form and position tolerance precision, a plane bearing of between next end face and slide block 8 recess inner groove surfaces, being furnished with suit lateral pin 12 at the left and right a pair of described moulding pinch roller 9 of symmetric arrays, this plane bearing has and bears the fretting wear of moulding pinch roller 9 to lower surface and slide block recess inner groove surface, the axial float of control moulding pinch roller 9.The concrete trim ring that is assembled on the plane bearing is equipped mutually with moulding pinch roller 9, and its lower clamping ring is equipped with mutually with slide block 8.
Fully enter in the roller clearance gap by helicla flute for ease of lubricating oil, the spiral oil-feed tank is three.
The machining accuracy of product and surface smoothness are jumped absolute value by the tolerance movingly of the die body of the whole series rolling die head and slide block and the two pairs of moulding pinch roller external diameter surface fineness and footpath and are guaranteed; For improving lateral pin, the wearability and the mechanical strength of roller and moulding pinch roller all adopt high-quality tool steel, alloy tool steel and Technology for Heating Processing; Roller 10, lateral pin 12, moulding pinch roller 9 are the machine-shaping of heat treatment correct grinding.The roller diameter range is φ 4mm to φ 8mm.
In product machine-shaping process, great difference is arranged on the materials microstructure of its working forms and shaped article, common cold drawing machine operation principle is needing material processed, and is overstocked by the mould of cold drawing machine fixed dimension.The cold-drawn moulding, its molding procedure is at least through the above cold drawing in two roads, thus after the formed product its molecular organization structure to become the surface tight, crisp hard, interior tissue is loose, be difficult to guarantee the requirement of reprocessing, be easy to generate phenomenons such as cracking, fracture, difficult boring, any surface finish are low, and the process principle of cold extrusion rolling die head is that drawing is finished after the roll forming, so that the material structure of its product becomes density is even, good toughness, the mechanical strength height, surface smoothness, brightness are good, and non-oxidation layer phenomenon produces.
When the above shaped article of processing base material φ 25mm (A3), because rolling pressure is big, lateral pin 12 and the mantle friction of moulding pinch roller are by lubricated, glossy film can't act on, cause to result from friction and " kill " phenomenon, at above-mentioned institute generating technique problem, the technical scheme of being taked is for the surperficial rolling friction between lateral pin 12 and the moulding pinch roller 9, change roller 10 rolling friction into, lateral pin 12, moulding pinch roller 9 and roller 10 are all through selection and heat treatment.Press the product processing request, must draw materials more than φ 25mm (A3) or must choose the roller of different-diameter and moulding pinch roller aperture and the lateral pin that matches by material, the roller diameter range is between φ 4mm to φ 8mm.

Claims (8)

1, a kind of cold extrusion special section rolling die head, comprise can with the fixing mould framing plate (1) of cold extrusion drawbench head, mould framing plate (1) is fastened with the disk die body (3) that is connected as a single entity through securing member, it is characterized in that: described disk die body (3) has+font inner chamber groove, should+be equipped with respectively in the font inner chamber slotted eye and be positioned at deserving to be called, following arrangement and pairing work and a symmetry left side, right also each the two cover slide block (8) of pairing work of arranging, the all corresponding supporting slide block pinch roller that runs through moulding pinch roller (9) formation through lateral pin (12) in the recess of described slide block (8), the equal apical grafting of end face of described slide block (8) has adjusting screw(rod) (4), this adjusting screw(rod) (4) described disk die body (3) pit that is threaded, and be fitted with the locknut (5) that is used to regulate die head machine-shaping scope.
2, a kind of cold extrusion special section rolling die head according to claim 1 is characterized in that: be equipped with roller (10) between the external diameter of described lateral pin (12) and described moulding pinch roller (9) endoporus.
3, a kind of cold extrusion special section rolling die head according to claim 2, it is characterized in that: be positioned at the left and right a pair of described moulding pinch roller (9) of symmetric arrays and respectively have the spiral oil-feed tank to the upper surface, for lubricating of described roller (10) rolling friction, cooling and cleaning.
4, according to claim 2 or 3 described a kind of cold extrusion special section rolling die heads, it is characterized in that: be positioned at the left and right a pair of described moulding pinch roller (9) of symmetric arrays is furnished with suit lateral pin (12) between next end face and described slide block (8) recess inner groove surface a plane bearing, this plane bearing has and bears the fretting wear of moulding pinch roller (9) to lower surface and slide block recess inner groove surface, the axial float of control moulding pinch roller (9).
5, a kind of cold extrusion special section rolling die head according to claim 4 is characterized in that: trim ring is equipped mutually with described moulding pinch roller (9) on the described plane bearing, and its lower clamping ring is equipped mutually with described slide block (8).
6, a kind of cold extrusion special section rolling die head according to claim 4, it is characterized in that: described spiral oil-feed tank is three.
7, a kind of cold extrusion special section rolling die head according to claim 4 is characterized in that: described roller (10), lateral pin (12), moulding pinch roller (9) are the machine-shaping of heat treatment correct grinding.
8, a kind of cold extrusion special section rolling die head according to claim 4, it is characterized in that: described roller diameter range is φ 4mm to φ 8mm.
CN 200620102609 2006-04-13 2006-04-13 Special-section steel cold-extruding rotating die bit Expired - Lifetime CN2897476Y (en)

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Application Number Priority Date Filing Date Title
CN 200620102609 CN2897476Y (en) 2006-04-13 2006-04-13 Special-section steel cold-extruding rotating die bit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200620102609 CN2897476Y (en) 2006-04-13 2006-04-13 Special-section steel cold-extruding rotating die bit

Publications (1)

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CN2897476Y true CN2897476Y (en) 2007-05-09

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101386034B (en) * 2008-09-01 2011-01-12 宁波力达物流设备有限公司 Production method of high precision profile steel for fork
CN102389931A (en) * 2011-06-10 2012-03-28 上海市塑料研究所 Winding port mould for winding technology for producing polytetrafluoroethylene hose pipe
CN104138937A (en) * 2014-08-06 2014-11-12 无锡福镁轻合金科技有限公司 Light alloy section material finish stretching machine
CN106079266A (en) * 2016-07-04 2016-11-09 佛山市康铂特精密机械有限公司 A kind of at the bottom of the die cavity of bottle base injection and use its multimode cavity injection mould
CN108296282A (en) * 2018-01-30 2018-07-20 张培栋 A kind of processing method and cold-rolling equipment of Al-alloy casing
CN111822533A (en) * 2020-06-02 2020-10-27 广州众山金属科技有限公司 Model suitable for making triangular profiled bar

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101386034B (en) * 2008-09-01 2011-01-12 宁波力达物流设备有限公司 Production method of high precision profile steel for fork
CN102389931A (en) * 2011-06-10 2012-03-28 上海市塑料研究所 Winding port mould for winding technology for producing polytetrafluoroethylene hose pipe
CN102389931B (en) * 2011-06-10 2013-06-12 上海市塑料研究所 Winding port mould for winding technology for producing polytetrafluoroethylene hose pipe
CN104138937A (en) * 2014-08-06 2014-11-12 无锡福镁轻合金科技有限公司 Light alloy section material finish stretching machine
CN104138937B (en) * 2014-08-06 2016-03-16 无锡福镁轻合金科技有限公司 Light-alloy section bar finish draw machine
CN106079266A (en) * 2016-07-04 2016-11-09 佛山市康铂特精密机械有限公司 A kind of at the bottom of the die cavity of bottle base injection and use its multimode cavity injection mould
CN108296282A (en) * 2018-01-30 2018-07-20 张培栋 A kind of processing method and cold-rolling equipment of Al-alloy casing
CN108296282B (en) * 2018-01-30 2020-09-04 张培栋 Processing method and cold rolling equipment for aluminum alloy shell
CN111822533A (en) * 2020-06-02 2020-10-27 广州众山金属科技有限公司 Model suitable for making triangular profiled bar

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Granted publication date: 20070509

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