CN101920301B - Suspension type upsetting material gathering die structure - Google Patents

Suspension type upsetting material gathering die structure Download PDF

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Publication number
CN101920301B
CN101920301B CN 201010277261 CN201010277261A CN101920301B CN 101920301 B CN101920301 B CN 101920301B CN 201010277261 CN201010277261 CN 201010277261 CN 201010277261 A CN201010277261 A CN 201010277261A CN 101920301 B CN101920301 B CN 101920301B
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CN
China
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die
sleeve
cavity
push rod
fixed
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CN 201010277261
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Chinese (zh)
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CN101920301A (en
Inventor
蔡利
刘太钟
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重庆秋田齿轮有限责任公司
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Priority to CN 201010277261 priority Critical patent/CN101920301B/en
Publication of CN101920301A publication Critical patent/CN101920301A/en
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Publication of CN101920301B publication Critical patent/CN101920301B/en

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Abstract

The invention relates to a suspension type upsetting material gathering die structure which comprises an upper template, an upper die base, a lower template and a lower die base, and has the key points as follows: an upper die sleeve is fixed in the upper die base, the upper die sleeve is provided with a cylindrical inner cavity, the lower cavity opening of the inner cavity is provided with a spacing seam allowance, and the diameter of the spacing seam allowance is smaller than that of the cylindrical inner cavity; an upper die core is movably sleeved in the cylindrical inner cavity of the upper die sleeve, one end of the upper die core is provided with a spacing flange part which is positioned in the inner cavity of the upper die sleeve and is in slide fit with the inner cavity of the upper die sleeve, and the other end of the upper die core penetrates out from the spacing seam allowance of the upper die sleeve and is in slide fit with the spacing seam allowance; the upper die core is axially provided with a through hole and an upper cavity which are communicated with each other, the upper cavity is positioned at the lower end of the through hole, and an upper top dash is vertically fixed in the inner cavity of the upper die sleeve and is inserted into the through hole in the upper die core in a sliding mode; and the lower die base is internally fixed with a lower female die corresponding to the upper die core, and the lower female die is provided with a lower cavity corresponding to the upper cavity. The invention improves the upsetting quality of strip metal blanks and the upsetting efficiency.

Description

Suspension type upsetting material gathering die structure

Technical field

The present invention relates to metal upsetting pressure instrument, relate in particular to a kind of suspension type upsetting base material gathering die structure.

Background technology

In to process of metal working, often need metal blank upsetting pressure with strip to shorten its length, to increase its diameter, with the metal blank jumping-up, the length-to-diameter of jumping-up part is usually less than 2.5, at present for the metal blank jumping-up of length-to-diameter greater than 2.5 times, general employing multi-pass pushes or flat-die forging forms, and production efficiency is extremely low; Carry out the flat anvil jumping-up if directly metal blank is placed up and down between flat anvil or the jumping-up flat board, metal blank then easily the metal blank of its strip produce crookedly, and form foldingly, can not satisfy instructions for use.

Summary of the invention

The technical problem that the present invention solves is: purpose of the present invention just provides a kind of suspension type upsetting material gathering forming die structure, and this mould structure is easy to loading and unloading, and can once stablize upsetting formation to the metal blank of strip.

Technical scheme of the present invention is: a kind of suspension type upsetting material gathering die structure, comprise upper die and lower die, wherein, described patrix comprises cope match-plate pattern and is fixed on the cylindrical shape upper bolster of cope match-plate pattern lower surface that described counterdie comprises lower bolster and be fixed on the cylindrical shape die shoe of lower bolster upper surface that its key is, be fixed with Upper Die-sleeve in the upper bolster, this Upper Die-sleeve has cylindrical cavity, and the lower end accent of this inner chamber is provided with spacing seam, and the diameter of spacing seam is less than the diameter of cylindrical cavity; Movable sleeve has upper mold core in the cylindrical cavity of Upper Die-sleeve, one end of this upper mold core has the limit convex edge, this defining flange section is arranged in the inner chamber of Upper Die-sleeve and is slidingly matched with the inner chamber of Upper Die-sleeve, and the other end of upper mold core stretches out from the spacing seam of Upper Die-sleeve and is slidingly matched with the spacing seam of Upper Die-sleeve; Described upper mold core axially has perforation and the upper impression that is interconnected, and described upper impression is positioned at the lower end of perforation, and the upper top punching of a cylindricality vertically is fixed in the inner chamber of Upper Die-sleeve, and described upper top punching is slided and is inserted in the interior perforation of upper mold core; Be fixed with the lower cavity die corresponding with described upper mold core in the described die shoe, it is corresponding with described upper impression to be provided with lower impressions in this lower cavity die.

The lateral surface of described Upper Die-sleeve has the first limited step, and one establishes round-meshed the first pressing plate is enclosed within and pushes down the first limited step on the Upper Die-sleeve, and with screw the first pressing plate is fixedly connected with upper bolster.

The circular hole of the first pressing plate is shoulder hole, by this shoulder hole Upper Die-sleeve is formed axially and radial location.

Be fixed with the top in the upper bolster and rush fixed head, Shang Dingchong is fixed on the downside that the top rushes fixed head.

The lower surface of cope match-plate pattern is fixed with upper padding plate, and upper top rushes the lower surface that fixed head is fixed on upper padding plate, and described upper padding plate and upper top rush fixed head and all be positioned at upper bolster.

The sidewall of described Upper Die-sleeve is provided with for the ventilative radially air-vent of Upper Die-sleeve inner chamber.

Be provided with a via hole in the described lower cavity die, this via hole is positioned at the downside of lower impressions, and is communicated with lower impressions; Slide in the via hole of lower cavity die and be provided with lower push rod, the lower surface of this lower push rod is connected with main push rod.

Described main push rod is equipped with for the main push rod guide plate to main push rod guiding, and described lower push rod is equipped with for the lower push rod guide plate to the lower push rod guiding; Described main push rod guide plate is positioned at the upper surface of lower bolster, and the lower push rod guide plate is positioned at the top of main push rod guide plate, is provided with lower bolster between main push rod guide plate and the lower push rod guide plate; Lower cavity die is positioned at the upper surface of lower push rod guide plate.

The upper surface of described lower push rod guide plate is provided with lower die-sleeve, this lower die-sleeve has conical cavity, the lateral surface of lower die-sleeve has the second limited step, the upper surface of described die shoe is fixed with the second pressing plate with center hole, the center hole of the second pressing plate is stepped hole, this second pressing plate is enclosed within on the second limiting stand component level of lower die-sleeve, and lower die-sleeve is fixed in the die shoe; Described lower cavity die is truncated cone-shaped, and this truncated cone-shaped lower cavity die falls into and be fixed on the conical cavity of described lower die-sleeve.

The lower surface of upper mold core has a pair of circle of position hole, and the upper surface of truncated cone-shaped lower cavity die is provided with the protuberance that matches with the contraposition circular hole of upper mold core.

The invention has the beneficial effects as follows: be slidingly matched in the cylindrical cavity of upper mold core and Upper Die-sleeve, upper mold core inside has perforation and the upper impression that is interconnected, the upper top punching of cylindricality vertically is fixed in the inner chamber of Upper Die-sleeve, described upper top punching is slided and is inserted in the interior perforation of upper mold core, the strip metal blank is limited in the perforation of upper mold core, in the upsetting pressure process, the strip metal blank can not produce crooked and folding, improved the upsetting pressure quality, be shaped owing to only need an operation just can finish upsetting pressure, improved upsetting pressure efficient.

Description of drawings

Fig. 1 is structural representation of the present invention;

Fig. 2 is the structural representation of Upper Die-sleeve among the present invention;

Fig. 3 is the structural representation of upper mold core among the present invention;

Fig. 4 is the structural representation of lower cavity die among the present invention;

Fig. 5 is the structural representation of lower die-sleeve among the present invention;

Matched moulds view when Fig. 6 is upsetting pressure metal blank of the present invention.

The specific embodiment

The invention will be further described below in conjunction with drawings and Examples:

Such as Fig. 1～shown in Figure 6, a kind of suspension type upsetting material gathering die structure, comprise patrix 1 and counterdie 2, patrix 1 comprises a cope match-plate pattern 3 and is fixed on the cylindrical shape upper bolster 4 of cope match-plate pattern 3 lower surfaces, cope match-plate pattern 3 and upper bolster 4 are connected by screw fixing, the lower surface of cope match-plate pattern 3 is fixed with upper padding plate 12, the lower surface of upper padding plate 12 is fixed with the top and rushes fixed head 13, the upper top punching 9 of a cylindricality vertically is fixed on the inner chamber 7a that the top rushes the downside of fixed head 13 and is arranged in Upper Die-sleeve, and upper padding plate 12 and upper top rush fixed head 13 and all be positioned at upper bolster 4.Be provided with Upper Die-sleeve 7 in the upper bolster 4, the sidewall of Upper Die-sleeve 7 is provided with for the ventilative radially air-vent 7c of Upper Die-sleeve inner chamber, the lateral surface of Upper Die-sleeve 7 has the first limited step, the lower surface of upper bolster 4 is fixed with the first pressing plate 11 by screw, the center of the first pressing plate 11 has circular hole, this circular hole is small one and large one two shoulder holes that are ladder-like arranged, the first pressing plate 11 is enclosed within and pushes down the first limited step on the Upper Die-sleeve 7, and with screw the first pressing plate is fixedly connected with upper bolster, by this shoulder hole Upper Die-sleeve 7 is formed axially and radial location and Upper Die-sleeve 7 is fixed in the upper bolster 4 with this.Upper Die-sleeve 7 has cylindrical cavity 7a, and the lower end accent of this inner chamber 7a is provided with spacing seam 7b, and the diameter of this spacing seam 7b is less than the diameter of cylindrical cavity 7a; Movable sleeve has upper mold core 8 among the cylindrical cavity 7a of Upper Die-sleeve, one end of this upper mold core 8 has the limit convex edge, this defining flange section is arranged in the inner chamber 7a of Upper Die-sleeve and is slidingly matched with the inner chamber 7a of Upper Die-sleeve, the other end of upper mold core 8 stretches out from the spacing seam 7b of Upper Die-sleeve and is slidingly matched with the spacing seam 7b of Upper Die-sleeve, upper mold core 8 slides up and down in the inner chamber 7a of Upper Die-sleeve 7, when sliding into top dead centre among the inner chamber 7a of upper mold core 8 at Upper Die-sleeve 7, the limit convex edge of upper mold core 8 contacts with the lower surface that upper top rushes fixed head 13; When sliding into lower dead center among the inner chamber 7a of upper mold core 8 at Upper Die-sleeve 7, the limit convex edge of upper mold core 8 is spacing by the spacing seam 7b of Upper Die-sleeve, has avoided upper mold core 8 to come off from the inner chamber 7a of Upper Die-sleeve 7; The inside of upper mold core 8 has perforation 8a and the upper impression 8b that is interconnected vertically, and upper impression 8b is positioned at the lower end of perforation 8a, and upper top punching 9 is slided and inserted among the interior perforation 8a of upper mold core.Counterdie 2 comprises lower bolster 5 and is fixed on the cylindrical shape die shoe 6 of lower bolster 5 upper surfaces, lower bolster 5 and die shoe 6 are fixed by screw, have a via hole at lower bolster 5 centers, a main push rod 15 passes from the via hole discontinuous of lower bolster 5, upper surface at lower bolster 5 is provided with the main push rod guide plate 16 that leads for to main push rod 15, main push rod 15 upper ends are connected with lower push rod 14, lower push rod 14 is equipped with for the lower push rod guide plate 17 to the lower push rod guiding, be provided with lower bolster 18 between main push rod guide plate 16 and the lower push rod guide plate 17, the upper surface of lower push rod guide plate 17 is provided with lower die-sleeve 19, lower cavity die 10 is positioned at the upper surface of lower push rod guide plate 17, and lower cavity die 10 is fixed in the die shoe 6 by lower die-sleeve 19, lower cavity die 10 is corresponding with upper mold core, be provided with the lower impressions 10a corresponding with upper impression in the lower cavity die, lower die-sleeve 19 has conical cavity, the lateral surface of lower die-sleeve 19 has the second limited step, the upper surface of die shoe 6 is fixed with band center hole the second pressing plate 20 by screw, the center hole of the second pressing plate 20 is stepped hole, the center step borehole jack of this second pressing plate 20 and is fixed on lower die-sleeve 19 in the die shoe 6 on the second limiting stand component level of lower die-sleeve 19; Lower cavity die 10 is truncated cone-shaped, and this truncated cone-shaped lower cavity die 10 falls into and be fixed on the conical cavity of lower die-sleeve 19, and ecto-entad adopts tapering equipped between lower cavity die and the lower die-sleeve.Be provided with a via hole in the lower cavity die 10, this via hole is positioned at the downside of lower impressions 10a, and is communicated with lower impressions 10a; Lower push rod 14 slides and inserts in the via hole of lower cavity die.The lower surface of upper mold core 8 has a pair of circle of position hole 8c, the upper surface of truncated cone-shaped lower cavity die 10 is provided with the protuberance that matches with the contraposition circular hole 8c of upper mold core, when upper die and lower die close up, the protuberance of lower cavity die 10 just in time drops in the contraposition circular hole 8c that is arranged on upper mold core 8 lower surfaces, thereby realizes that upper mold core cooperates function with the guiding by mould orifice of lower cavity die.Upper impression shape in the upper mold core and the lower impressions shape in the lower cavity die be free setting or be chosen as Open architecture as required, and what the upper impression among the present invention and lower impressions adopted is the frustum structure.

The present invention is like this work:

Upper die and lower die in this structure are installed in the general forging press, strip metal blank 21 is vertically placed in the via hole of lower cavity die 10, its lower surface is supported on the upper end of lower push rod 14, start forging press, patrix is moved downwards, the upper end of strip metal blank 21 enters among the perforation 8a of upper mold core, patrix continues to move down, upper mold core and lower cavity die matched moulds, at this moment, lower cavity die 10 and lower die-sleeve 19 upwards push up upper mold core 8, among the inner chamber 7a of upper mold core 8 upward slidings and retraction Upper Die-sleeve, the lower surface of upper top punching 9 compresses the upper surface of strip metal blank 21, along with patrix 1 is descending, patrix 1 drives the punching 9 of upper top strip metal blank 21 is advanced in the lower impressions of the upper impression 8b of upper mold core and lower cavity die 10, thereby realizes that stable upsetting material gathering is shaped.Shaping is over, patrix is operation upwards, upper mold core 8 since the weight of self from the inner chamber 7a down sliding of Upper Die-sleeve, until that the defining flange subordinate of upper mold core 8 slides into the spacing seam 7b position of Upper Die-sleeve is limited, move on on the patrix to take out and stopped behind the height of the metal blank of upsetting pressure, start at last main push rod 15, main push rod 15 upwards drives lower push rod 14 and ejects by the metal blank after the upsetting pressure, take away by the metal blank after the upsetting pressure, a working cycles is finished in main push rod 15 downward backhauls.

The present invention at work, must guarantee that upper mold core and lower cavity die are in concentric matched moulds state all the time in metal blank 21 Upsetting processes, therefore the present invention emphasizes that upper mold core and lower cavity die must have guiding by mould orifice to cooperate, the present invention cooperates with the guiding by mould orifice of lower cavity die by such realization upper mold core: at first have a pair of circle of position hole 8c in the lower surface of upper mold core 8, the upper surface of truncated cone-shaped lower cavity die 10 is provided with the protuberance that matches with the contraposition circular hole 8c of upper mold core, when upper die and lower die close up, the protuberance of lower cavity die 10 just in time drops in the contraposition circular hole 8c of upper mold core 8 lower surfaces, thereby realizes that upper mold core cooperates function with the guiding by mould orifice of lower cavity die; Simultaneously, in the upsetting formation process, metal blank 21 is in upsetting process at the beginning, the pressure that metal blank 21 is subject to the top punching begins chap, so that metal blank 21 is clamped by upper mold core, and before finishing, upsetting formation provides all the time the frictional force aspect the matched moulds, guaranteed like this at metal blank 21 in the upsetting material gathering forming process, upper die and lower die are in the matched moulds state all the time, so that metal blank 21 is in stable state in the process of upsetting formation, improved the quality of metal blank 21 upsetting material gatherings.

Claims (10)

1. suspension type upsetting material gathering die structure, comprise patrix (1) and counterdie (2), wherein, described patrix (1) comprises cope match-plate pattern (3) and is fixed on the cylindrical shape upper bolster (4) of cope match-plate pattern (3) lower surface, described counterdie (2) comprises lower bolster (5) and is fixed on the cylindrical shape die shoe (6) of lower bolster (5) upper surface, it is characterized in that: be fixed with Upper Die-sleeve (7) in the upper bolster (4), this Upper Die-sleeve (7) has cylindrical cavity (7a), the lower end accent of this inner chamber (7a) is provided with spacing seam (7b), and the diameter of spacing seam (7b) is less than the diameter of cylindrical cavity (7a); Movable sleeve has upper mold core (8) in the cylindrical cavity of Upper Die-sleeve (7a), one end of this upper mold core (8) has the limit convex edge, this defining flange section is arranged in the inner chamber (7a) of Upper Die-sleeve and is slidingly matched with the inner chamber (7a) of Upper Die-sleeve, and the other end of upper mold core (8) stretches out from the spacing seam (7b) of Upper Die-sleeve and is slidingly matched with the spacing seam (7b) of Upper Die-sleeve; Described upper mold core (8) axially has perforation (8a) and the upper impression (8b) that is interconnected, described upper impression (8b) is positioned at the lower end of perforation (8a), the Shang Dingchong of a cylindricality (9) vertically is fixed in the inner chamber (7a) of Upper Die-sleeve, and described upper top punching (9) is slided and is inserted in the interior perforation (8a) of upper mold core;
Be fixed with the lower cavity die corresponding with described upper mold core (10) in the described die shoe (6), it is corresponding with described upper impression to be provided with lower impressions (10a) in this lower cavity die.
2. according to suspension type upsetting material gathering die structure claimed in claim 1, it is characterized in that: the lateral surface of described Upper Die-sleeve (7) has the first limited step, one establishes round-meshed the first pressing plate (11) is enclosed within on the Upper Die-sleeve (7) and pushes down the first limited step, and with screw the first pressing plate (11) is fixedly connected with upper bolster (4).
3. according to suspension type upsetting material gathering die structure claimed in claim 2, it is characterized in that: the circular hole of the first pressing plate (11) is shoulder hole, by this shoulder hole Upper Die-sleeve (7) is formed axially and radial location.
4. according to suspension type upsetting material gathering die structure claimed in claim 1, it is characterized in that: be fixed with the top in the upper bolster (4) and rush fixed head (13), Shang Dingchong (9) is fixed on the downside that the top rushes fixed head (13).
5. according to suspension type upsetting material gathering die structure claimed in claim 4, it is characterized in that: the lower surface of cope match-plate pattern (3) is fixed with upper padding plate (12), upper top rushes the lower surface that fixed head (13) is fixed on upper padding plate (12), and described upper padding plate (12) and upper top rush fixed head (13) and all be positioned at upper bolster (4).
6. according to suspension type upsetting material gathering die structure claimed in claim 1, it is characterized in that: the sidewall of described Upper Die-sleeve (7) is provided with for the ventilative radially air-vent (7c) of Upper Die-sleeve inner chamber.
7. according to suspension type upsetting material gathering die structure claimed in claim 1, it is characterized in that: described lower cavity die is provided with a via hole in (10), and this via hole is positioned at the downside of lower impressions (10a), and is communicated with lower impressions (10a); Slide in the via hole of lower cavity die and be provided with lower push rod (14), the lower surface of this lower push rod (14) is connected with main push rod (15).
8. according to suspension type upsetting material gathering die structure claimed in claim 7, it is characterized in that: described main push rod (15) is equipped with for the main push rod guide plate (16) to main push rod guiding, and described lower push rod (14) is equipped with for the lower push rod guide plate (17) to the lower push rod guiding; Described main push rod guide plate is positioned at the upper surface of lower bolster, and the lower push rod guide plate is positioned at the top of main push rod guide plate, is provided with lower bolster (18) between main push rod guide plate and the lower push rod guide plate; Lower cavity die (10) is positioned at the upper surface of lower push rod guide plate (17).
9. according to suspension type upsetting material gathering die structure claimed in claim 8, it is characterized in that: the upper surface of described lower push rod guide plate (17) is provided with lower die-sleeve (19), this lower die-sleeve (19) has conical cavity, the lateral surface of lower die-sleeve (19) has the second limited step, the upper surface of described die shoe (6) is fixed with the second pressing plate (20) with center hole, the center hole of the second pressing plate (20) is stepped hole, this second pressing plate (20) is enclosed within on the second limiting stand component level of lower die-sleeve (19), and lower die-sleeve (19) is fixed in the die shoe (6); Described lower cavity die (10) is truncated cone-shaped, and this truncated cone-shaped lower cavity die (10) falls into and be fixed on the conical cavity of described lower die-sleeve (19).
10. according to suspension type upsetting material gathering die structure claimed in claim 9, it is characterized in that: the lower surface of upper mold core (8) has a pair of circle of position hole (8c), and the upper surface of truncated cone-shaped lower cavity die (10) is provided with the protuberance that matches with the contraposition circular hole (8c) of upper mold core.
CN 201010277261 2010-09-09 2010-09-09 Suspension type upsetting material gathering die structure CN101920301B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN 201010277261 CN101920301B (en) 2010-09-09 2010-09-09 Suspension type upsetting material gathering die structure

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CN101920301A CN101920301A (en) 2010-12-22
CN101920301B true CN101920301B (en) 2013-03-13

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CN103624201B (en) * 2013-11-11 2016-08-10 梧州恒声电子科技有限公司 High line diameter ratio T iron head combination die
CN104511561A (en) * 2013-12-14 2015-04-15 柳州市国顺机械制造有限公司 Pre-upsetting die for intermediate input shaft of loading machine
CN106141056A (en) * 2015-04-09 2016-11-23 昌利锻造有限公司 A kind of forging mold
CN104801649B (en) * 2015-05-06 2017-04-19 优德精密工业（昆山）股份有限公司 Anti-bend chuck type hot forging die
CN107052214B (en) * 2017-05-09 2019-03-22 江苏创一汽车零部件有限公司 A kind of tube reducing mold that two-way tube reducing may be implemented

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JP2003193168A (en) * 2001-12-28 2003-07-09 Honda Motor Co Ltd Functionally graded composite material and its manufacturing method
JP2005342744A (en) * 2004-06-01 2005-12-15 Sanalloy Industry Co Ltd Wear resistant sintered tool, and its manufacturing method
CN201140262Y (en) * 2007-12-17 2008-10-29 重庆市合川区渝生精加工厂 Selective heating continuous upsetting enclosed simple mould for metal bar
CN101780513B (en) * 2010-03-10 2012-09-19 浙江正昌锻造股份有限公司 One-step forming forging mould of elongated forging with upsetting ratio bigger than 3

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