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CN105128242A - Cold press forming die of pipes - Google Patents

Cold press forming die of pipes Download PDF

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Publication number
CN105128242A
CN105128242A CN201510580787.8A CN201510580787A CN105128242A CN 105128242 A CN105128242 A CN 105128242A CN 201510580787 A CN201510580787 A CN 201510580787A CN 105128242 A CN105128242 A CN 105128242A
Authority
CN
China
Prior art keywords
depression bar
lengthening cover
die cavity
interior
pipe fitting
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.)
Pending
Application number
CN201510580787.8A
Other languages
Chinese (zh)
Inventor
钱根来
李康
魏鑫
夏守忠
陈微霞
丁亭
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuxi Yichen Mould Technology Co Ltd
Original Assignee
Wuxi Yichen Mould Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Wuxi Yichen Mould Technology Co Ltd filed Critical Wuxi Yichen Mould Technology Co Ltd
Priority to CN201510580787.8A priority Critical patent/CN105128242A/en
Publication of CN105128242A publication Critical patent/CN105128242A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a cold press forming die of pipes. The cold press forming die comprises a pressing plate, pressing rods, five outer elongation sleeves and five inner elongation sleeves, wherein the pressing rods are arranged below the pressing plate, the pressing plate is fixedly connected with the pressing rods, the outer elongation sleeves and the inner elongation sleeves are arranged on the two sides of the pressing rods, the outer elongation sleeves are connected in an end-to-end and clamped mode, and the inner elongation sleeves are connected in an end-to-end and clamped mode. Pressing rings and pushing-out rings are arranged below the pressing rods. Screws are arranged on the bottoms of the pushing-out rings. First cavity jackets are arranged below the outer elongation sleeves, and the outer elongation sleeves are connected with the first cavity jackets in a clamped mode. Second cavity jackets are arranged below the inner elongation sleeves, and the inner elongation sleeves are connected with the second cavity jackets in a clamped mode. Supporting feet and ejection plates are sequentially arranged below the first cavity jackets. The pushing-out rings are fixedly connected to the ejection plates through the screws. The cold press forming die of the pipes is convenient to install, high in machining stability, safe, reliable and high in machining efficiency.

Description

A kind of pipe fitting cold pressing forming mould
Technical field
The present invention relates to a kind of technical field of mold, particularly relate to a kind of pipe fitting cold pressing forming mould.
Background technology
Press-moulding die: be called for short pressing mold.Directly added in unlimited mold cavity by plastic raw materials, then closed by mould, plastics become flow regime and are full of die cavity under heat with the effect of pressure; Then because chemistry or physical change make plastic hardening shape, this method is just named compressing, and mould used is called press-moulding die.This mould is used for greatly the processing and forming of thermosetting plastics, also has for thermoplastic.The cold moudling compacting tool set do not heated in addition in addition, for shaping polytetrafluoroethylene (PTFE) blank.Mould, has a lot of diverse ways to be used to improve the pattern dirt in elastomer rubber synthesis.These technology comprise inner release releasing agent, external release agent spraying, pattern surface treatment and suitable program parameter.Relatively effective method is exactly by these method integrated uses.External release agent spraying is similar to the effect of inner auxiliary agent, but it was sprayed directly on to pattern surface before parts pattern.They also may cause pattern to produce the adverse consequences of dirt because of the too much of spray.External release agent spraying can be semifixed, reduces the frequency of spraying and potential too much accumulation.Today, great majority are moisture reagent, and main component is silica-based or fluorine-based.Pattern surface treatment method helps in process material processing from wearing and tearing, corrosion proof function is provided by various chemical reagent and the byproduct in processing procedure, prevent the erosion of chemical reagent, for parts provide the quality of smooth surface atresia, reduce pattern dirt.Chromium nickel is gold-plated to be widely used.Special teflon, silicon carbide and industrial stratum plating nickel gold hard rock can increase the service life significantly.
The existing cold pressing forming mould complex structure for pipe fitting at present, install inconvenient, working (machining) efficiency is lower.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of easy for installation, and good processing stability is safe and reliable, the pipe fitting cold pressing forming mould that working (machining) efficiency is high.
For solving the problem, the present invention adopts following technical scheme:
A kind of pipe fitting cold pressing forming mould, comprise pressing plate, depression bar, outer lengthening cover and interior lengthening cover, described depression bar is located at below pressing plate, described pressing plate is fixedly connected with depression bar, described outer lengthening cover and interior lengthening are set in depression bar both sides, described outer lengthening cover and interior lengthening cover are respectively arranged with five, between described outer lengthening cover, ending holds connection, between described interior lengthening cover, ending holds connection, be provided with trim ring below described depression bar and release circle, described release circle bottom is provided with screw, described outer lengthening cover below is provided with die cavity overcoat, described outer lengthening cover holds with die cavity overcoat and is connected, described interior lengthening cover below is provided with die cavity inner sleeve, described interior lengthening cover holds with die cavity inner sleeve and is connected, support foot and liftout plate is disposed with below described die cavity overcoat, described release circle is fixedly connected with liftout plate by screw.
As preferably, described support foot holds with die cavity overcoat and die cavity inner sleeve respectively and is connected.
As preferably, described liftout plate is provided with installing hole.
As preferably, described installing hole is provided with more than one.
As preferably, described depression bar is provided with more than one.
Another technical problem that the present invention solves is to provide a kind of processing method of depression bar of pipe fitting cold pressing forming mould.
For solving the problem, the present invention adopts following technical scheme: comprise the following steps:
1) by mass fraction proportioning iron 100-110 part, chromium 5-6 part, manganese 3-4 part, aluminium 1-2 part, copper 10-11 part, bismuth 3-6 part, silica 0.6-0.8 part and carbon dust 1-2 part put in smelting furnace and carry out melting, maintenance temperature is 1900-1920 DEG C, keep 10-12 minute, mix;
2) melt step 1) obtained uses casting machine cast to obtain length for 40cm, and diameter is the former base of depression bar of 2cm;
3) by step 2) the former base of depression bar of gained carries out glow discharge nitriding process, and keep temperature to be between 650-700 DEG C, insulation 1-3 hour, ammonia dissociation rate is 35-70%, for subsequent use;
4) the former base of depression bar after step 3) being processed carries out turning and grinding, surface smear lubricating oil successively.
The invention has the beneficial effects as follows: the outer lengthening cover of setting and the convenient installation of interior lengthening cover, adjustment is outer lengthens cover and the interior quantity lengthening cover, just can keep processing many article length adjustable, die cavity overcoat and die cavity inner sleeve keep product molding structural stability high, trim ring and release circle facilitate knock-pin applying pressure to be ejected by goods, the convenient pressure that applies of pressing plate keeps product molding stress equalization, installing hole facilitates mounting of roof plate, goods are ejected, the depression bar processing method adopted can keep pressure rod structure intensity high, can not be out of shape, long service life, keep good stability.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structure chart of a kind of pipe fitting cold pressing forming mould of the present invention.
Detailed description of the invention
Embodiment 1
A kind of pipe fitting cold pressing forming mould, comprise pressing plate 1, depression bar 2, outer lengthening cover 3 and interior lengthening cover 4, described depression bar 2 is located at below pressing plate 1, described pressing plate 2 is fixedly connected with depression bar 1, described outer lengthening cover 3 and interior lengthening cover 4 are located at depression bar 2 both sides, described outer lengthening cover 3 and interior lengthening cover 4 are respectively arranged with five, between described outer lengthening cover 3, ending holds connection, between described interior lengthening cover 4, ending holds connection, be provided with trim ring 5 below described depression bar 2 and release circle 6, screw 7 is provided with bottom described release circle 6, die cavity overcoat 8 is provided with below described outer lengthening cover 3, described outer lengthening cover 3 holds with die cavity overcoat 8 and is connected, die cavity inner sleeve 9 is provided with below described interior lengthening cover 4, described interior lengthening cover 4 holds with die cavity inner sleeve 9 and is connected, support foot 10 and liftout plate 11 is disposed with below described die cavity overcoat 8, described release circle 6 is fixedly connected with liftout plate 11 by screw 7.
Described support foot 10 holds with die cavity overcoat 8 and die cavity inner sleeve 9 respectively and is connected.
Described liftout plate 11 is provided with installing hole 12.
Described installing hole 12 is provided with more than one.
Described depression bar 2 is provided with more than one.
A processing method for the depression bar of pipe fitting cold pressing forming mould, comprises the following steps:
1) iron 100 parts, chromium 5 parts, 3 parts, manganese, 1 part, aluminium, copper 10 parts, bismuth 3 parts, silica 0.6 part and carbon dust 1 part to be put in smelting furnace by mass fraction proportioning and carry out melting, maintenance temperature is 1900-1920 DEG C, keeps 10-12 minute, mixes;
2) melt step 1) obtained uses casting machine cast to obtain length for 40cm, and diameter is the former base of depression bar of 2cm;
3) by step 2) the former base of depression bar of gained carries out glow discharge nitriding process, and keep temperature to be between 650-700 DEG C, insulation 1-3 hour, ammonia dissociation rate is 35-70%, for subsequent use;
4) the former base of depression bar after step 3) being processed carries out turning and grinding, surface smear lubricating oil successively.
Embodiment 2
A kind of pipe fitting cold pressing forming mould, comprise pressing plate 1, depression bar 2, outer lengthening cover 3 and interior lengthening cover 4, described depression bar 2 is located at below pressing plate 1, described pressing plate 2 is fixedly connected with depression bar 1, described outer lengthening cover 3 and interior lengthening cover 4 are located at depression bar 2 both sides, described outer lengthening cover 3 and interior lengthening cover 4 are respectively arranged with five, between described outer lengthening cover 3, ending holds connection, between described interior lengthening cover 4, ending holds connection, be provided with trim ring 5 below described depression bar 2 and release circle 6, screw 7 is provided with bottom described release circle 6, die cavity overcoat 8 is provided with below described outer lengthening cover 3, described outer lengthening cover 3 holds with die cavity overcoat 8 and is connected, die cavity inner sleeve 9 is provided with below described interior lengthening cover 4, described interior lengthening cover 4 holds with die cavity inner sleeve 9 and is connected, support foot 10 and liftout plate 11 is disposed with below described die cavity overcoat 8, described release circle 6 is fixedly connected with liftout plate 11 by screw 7.
Described support foot 10 holds with die cavity overcoat 8 and die cavity inner sleeve 9 respectively and is connected.
Described liftout plate 11 is provided with installing hole 12.
Described installing hole 12 is provided with more than one.
Described depression bar 2 is provided with more than one.
A processing method for the depression bar of pipe fitting cold pressing forming mould, comprises the following steps:
1) by mass fraction proportioning iron 105 parts, chromium 5.5 parts, 3.5 parts, manganese, 1.5 parts, aluminium, copper 10.5 parts, bismuth 4.5 parts, silica 0.7 part and carbon dust 1.5 parts put in smelting furnace and carry out melting, maintenance temperature is 1900-1920 DEG C, keep 10-12 minute, mix;
2) melt step 1) obtained uses casting machine cast to obtain length for 40cm, and diameter is the former base of depression bar of 2cm;
3) by step 2) the former base of depression bar of gained carries out glow discharge nitriding process, and keep temperature to be between 650-700 DEG C, insulation 1-3 hour, ammonia dissociation rate is 35-70%, for subsequent use;
4) the former base of depression bar after step 3) being processed carries out turning and grinding, surface smear lubricating oil successively.
Embodiment 3
A kind of pipe fitting cold pressing forming mould, comprise pressing plate 1, depression bar 2, outer lengthening cover 3 and interior lengthening cover 4, described depression bar 2 is located at below pressing plate 1, described pressing plate 2 is fixedly connected with depression bar 1, described outer lengthening cover 3 and interior lengthening cover 4 are located at depression bar 2 both sides, described outer lengthening cover 3 and interior lengthening cover 4 are respectively arranged with five, between described outer lengthening cover 3, ending holds connection, between described interior lengthening cover 4, ending holds connection, be provided with trim ring 5 below described depression bar 2 and release circle 6, screw 7 is provided with bottom described release circle 6, die cavity overcoat 8 is provided with below described outer lengthening cover 3, described outer lengthening cover 3 holds with die cavity overcoat 8 and is connected, die cavity inner sleeve 9 is provided with below described interior lengthening cover 4, described interior lengthening cover 4 holds with die cavity inner sleeve 9 and is connected, support foot 10 and liftout plate 11 is disposed with below described die cavity overcoat 8, described release circle 6 is fixedly connected with liftout plate 11 by screw 7.
Described support foot 10 holds with die cavity overcoat 8 and die cavity inner sleeve 9 respectively and is connected.
Described liftout plate 11 is provided with installing hole 12.
Described installing hole 12 is provided with more than one.
Described depression bar 2 is provided with more than one.
A processing method for the depression bar of pipe fitting cold pressing forming mould, comprises the following steps:
1) iron 110 parts, chromium 6 parts, 4 parts, manganese, 2 parts, aluminium, copper 11 parts, bismuth 6 parts, silica 0.8 part and carbon dust 2 parts to be put in smelting furnace by mass fraction proportioning and carry out melting, maintenance temperature is 1900-1920 DEG C, keeps 10-12 minute, mixes;
2) melt step 1) obtained uses casting machine cast to obtain length for 40cm, and diameter is the former base of depression bar of 2cm;
3) by step 2) the former base of depression bar of gained carries out glow discharge nitriding process, and keep temperature to be between 650-700 DEG C, insulation 1-3 hour, ammonia dissociation rate is 35-70%, for subsequent use;
4) the former base of depression bar after step 3) being processed carries out turning and grinding, surface smear lubricating oil successively.
The invention has the beneficial effects as follows: the outer lengthening cover of setting and the convenient installation of interior lengthening cover, adjustment is outer lengthens cover and the interior quantity lengthening cover, just can keep processing many article length adjustable, die cavity overcoat and die cavity inner sleeve keep product molding structural stability high, trim ring and release circle facilitate knock-pin applying pressure to be ejected by goods, the convenient pressure that applies of pressing plate keeps product molding stress equalization, installing hole facilitates mounting of roof plate, goods are ejected, the depression bar processing method adopted can keep pressure rod structure intensity high, can not be out of shape, long service life, keep good stability.
The above; be only the specific embodiment of the present invention; but protection scope of the present invention is not limited thereto; any change of expecting without creative work or replacement; all should be encompassed within protection scope of the present invention; therefore, the protection domain that protection scope of the present invention should limit with claims is as the criterion.

Claims (6)

1. a pipe fitting cold pressing forming mould, it is characterized in that: comprise pressing plate, depression bar, outer lengthening cover and interior lengthening cover, described depression bar is located at below pressing plate, described pressing plate is fixedly connected with depression bar, described outer lengthening cover and interior lengthening are set in depression bar both sides, described outer lengthening cover and interior lengthening cover are respectively arranged with five, between described outer lengthening cover, ending holds connection, between described interior lengthening cover, ending holds connection, be provided with trim ring below described depression bar and release circle, described release circle bottom is provided with screw, described outer lengthening cover below is provided with die cavity overcoat, described outer lengthening cover holds with die cavity overcoat and is connected, described interior lengthening cover below is provided with die cavity inner sleeve, described interior lengthening cover holds with die cavity inner sleeve and is connected, support foot and liftout plate is disposed with below described die cavity overcoat, described release circle is fixedly connected with liftout plate by screw.
2. pipe fitting cold pressing forming mould as claimed in claim 1, is characterized in that: described support foot holds with die cavity overcoat and die cavity inner sleeve respectively and is connected.
3. pipe fitting cold pressing forming mould as claimed in claim 2, is characterized in that: described liftout plate is provided with installing hole.
4. pipe fitting cold pressing forming mould as claimed in claim 3, is characterized in that: described installing hole is provided with more than one.
5. pipe fitting cold pressing forming mould as claimed in claim 4, is characterized in that: described depression bar is provided with more than one.
6. a processing method for the depression bar of pipe fitting cold pressing forming mould as claimed in claim 1, is characterized in that: comprise the following steps:
1) by mass fraction proportioning iron 100-110 part, chromium 5-6 part, manganese 3-4 part, aluminium 1-2 part, copper 10-11 part, bismuth 3-6 part, silica 0.6-0.8 part and carbon dust 1-2 part put in smelting furnace and carry out melting, maintenance temperature is 1900-1920 DEG C, keep 10-12 minute, mix;
2) melt step 1) obtained uses casting machine cast to obtain length for 40cm, and diameter is the former base of depression bar of 2cm;
3) by step 2) the former base of depression bar of gained carries out glow discharge nitriding process, and keep temperature to be between 650-700 DEG C, insulation 1-3 hour, ammonia dissociation rate is 35-70%, for subsequent use;
4) the former base of depression bar after step 3) being processed carries out turning and grinding, surface smear lubricating oil successively.
CN201510580787.8A 2015-09-14 2015-09-14 Cold press forming die of pipes Pending CN105128242A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510580787.8A CN105128242A (en) 2015-09-14 2015-09-14 Cold press forming die of pipes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510580787.8A CN105128242A (en) 2015-09-14 2015-09-14 Cold press forming die of pipes

Publications (1)

Publication Number Publication Date
CN105128242A true CN105128242A (en) 2015-12-09

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112078142A (en) * 2020-09-03 2020-12-15 东莞琦联电子有限公司 Quick design cold pressing die that leather sheath was used

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101952462A (en) * 2007-12-28 2011-01-19 Posco公司 Grain-oriented electrical steel sheet with excellent magnetic properties and manufacturing method thereof
CN103602911A (en) * 2013-11-20 2014-02-26 滁州学院 High-temperature resistant and wear-resistant alloy steel lining plate material and preparation method thereof
CN203699174U (en) * 2014-01-06 2014-07-09 石嘴山市金圣机械制品厂 Composite wear-resistant scraper plate used for scraper plate machine
CN205075242U (en) * 2015-09-14 2016-03-09 芜湖奕辰模具科技有限公司 Pipe fitting cold press molding mould

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101952462A (en) * 2007-12-28 2011-01-19 Posco公司 Grain-oriented electrical steel sheet with excellent magnetic properties and manufacturing method thereof
CN103602911A (en) * 2013-11-20 2014-02-26 滁州学院 High-temperature resistant and wear-resistant alloy steel lining plate material and preparation method thereof
CN203699174U (en) * 2014-01-06 2014-07-09 石嘴山市金圣机械制品厂 Composite wear-resistant scraper plate used for scraper plate machine
CN205075242U (en) * 2015-09-14 2016-03-09 芜湖奕辰模具科技有限公司 Pipe fitting cold press molding mould

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
蒋继红等: "《塑料成型模具典型结构图册》", 31 August 2006 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112078142A (en) * 2020-09-03 2020-12-15 东莞琦联电子有限公司 Quick design cold pressing die that leather sheath was used

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Application publication date: 20151209