CN102490259B - Mould device for producing U-shaped heating body blank - Google Patents

Mould device for producing U-shaped heating body blank Download PDF

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Publication number
CN102490259B
CN102490259B CN 201110452201 CN201110452201A CN102490259B CN 102490259 B CN102490259 B CN 102490259B CN 201110452201 CN201110452201 CN 201110452201 CN 201110452201 A CN201110452201 A CN 201110452201A CN 102490259 B CN102490259 B CN 102490259B
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China
Prior art keywords
die
circular arc
mould
base substrate
movable circular
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CN 201110452201
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CN102490259A (en
Inventor
蒋建纯
陈志军
肖志英
康志卫
罗中保
姚勇刚
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HUNAN NANFANG BOYUN NEW MATERIAL CO Ltd
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HUNAN NANFANG BOYUN NEW MATERIAL CO Ltd
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Abstract

The invention relates to a mould device for producing a U-shaped heating body blank. The mould device comprises a mould body, one or two movable arc moulds, a hydraulic device and a cover plate, wherein support lugs are welded on the two sides of the mould body; each end face of the mould body is provided with two guide positioning pins and two locking holes I; limit strips are arranged on the two sides of upper and lower surfaces of the mould body; each movable arc mould is a hollow semi-cylinder; channel steel is welded on the inner side of each movable arc mould and provided with two locking holes II, two guide positioning holes and two jacking screws; and the cover plate consists of an upper movable cover plate and a lower movable cover plate. The mould device for producing the U-shaped heating body blank has a simple structure, is convenient to operate, is low in cost for producing the blank, and is high in production efficiency.

Description

A kind of moulding bed device of producing U-shaped heater base substrate
Technical field
The present invention relates to a kind of moulding bed device of producing base substrate, especially relate to a kind of moulding bed device of producing the carbon-carbon composites U-shaped heater base substrate of polysilicon hydrogenation furnace.
Background technology
Hydrogenation furnace is to realize vent gas treatment and recycling visual plant in the polysilicon production process, and heater is the core component of hydrogenation furnace.Traditional heating element for hydrogenation furnaces generally adopts the high purity graphite manufacturing to form, and is spliced to form a U-shaped heater by the multistage high purity graphite.Any loosening and gap at joining of graphite place all can be caused and be beaten arc, affects normal stable use of heater.And graphite material fragility is large, and intensity is lower, and all easily fracture and damages cause heater to scrap in processing and manufacturing, installation and maintenance and the use procedure of U-shaped heater, have a strong impact on the production efficiency of polysilicon, increase the production cost of polysilicon.In recent years, someone proposes to prepare polysilicon hydrogenation furnace U-shaped heater with carbon-carbon composites.Carbon-carbon composites is a kind of novel carbon material, and its intensity is 5-10 times of graphite material, and its heat-conductivity conducting performance and graphite are comparatively approaching, are a kind of ideal materials of making heating element for hydrogenation furnaces.CN200810236546.1, CN200810143585.7 disclose respectively the preparation method that a kind of polysilicon hydrogenation furnace is used charcoal/carbon/carbon heating body; CN200910043180.0 discloses a kind of U-shaped heating element of silicon tetrachloride hydrogenation furnace and manufacturing process thereof; CN201020292480.0 discloses a kind of polysilicon hydrogenation furnace with U-shaped C/C heater.The base substrate of heater adopts accurate three-dimensional Nomex base substrate or is fixedly being formed by two-dimentional carbon fabric lamination on the loose tool in these several patents, blank density is low, size and dimension is unstable, base substrate need to be by " chemical vapour deposition (CVD)-high-temperature process-machined peeling-chemical vapour deposition (CVD) " circular treatment repeatedly, just can meet the requirements of density and serviceability, cause preparation technology's cycle of heater long, production cost is high, unstable properties.
Summary of the invention
The objective of the invention is, overcome the deficiencies in the prior art, a kind of moulding bed device of simple in structure, easy to operate production U-shaped heater base substrate is provided, reduce preparation technology's cycle of U-shaped heater base substrate, reduce production costs.
In order to reach described purpose, the technical solution adopted in the present invention is:
The moulding bed device of the present invention's production U-shaped heater base substrate, comprise die body, one or two movable circular arc mould, hydraulic means, cover plate, described die body both sides are welded with respectively the holder ear, the die body end face is provided with two guide positioning pins, two locking hole I, and the both sides of die body upper and lower surface are respectively equipped with positive stop strip; Described movable circular arc mould is hollow semi-cylindrical, its inboard is welded with channel-section steel, channel-section steel is provided with two locking hole II, two guide-localization holes, two and holds out against screw, and the width of the corresponding die body of the length that channel-section steel stretches out from movable circular arc mould two ends both sides holder ear is so that install hydraulic means; Position and the size in the guide-localization hole on the guide positioning pin of die body end face and the inboard channel-section steel of movable circular arc mould are mutually corresponding, movable circular arc mould is by being fixed on the guide-localization finger setting on the die body, and assurance die body and movable circular arc mould can be done the relative motion of certain distance at long axis direction; Position and the size of the locking hole II on the locking hole I on the die body and the movable circular arc mould are mutually corresponding, and die body and movable circular arc mould are as a whole by clamping screw locking; Described cover plate is made of upper removable cover and lower removable cover.
The holder ear is withstood in the bottom of described hydraulic means, and the piston rod of hydraulic means withstands the channel-section steel of movable circular arc mould inboard.
Described upper removable cover contacts the base substrate one side with lower removable cover smooth smooth, and two removable covers are used for covering base substrate from upper and lower surface, and it is placed Hydraulic pressOn, by hydraulic press base substrate is exerted pressure; Described upper removable cover and lower removable cover can be abnormity (such as step or wedge shape), decide on geometry and the base substrate thickness requirement of base substrate outer surface.
Using method: first die body and movable circular arc mould are located by the guide positioning pin of die body end face and the guide-localization hole of channel-section steel, use a pair of clamping screw by the locking hole I of die body end face and the locking hole II on the inboard channel-section steel of movable circular arc mould both to be connected and fixed; The charcoal cloth of the required specification of tight on die body, smooth winding and brushing resin use the winding border of positive stop strip restriction charcoal cloth and follow-up compacting thickness; After reaching required winding thickness, unload clamping screw, use hydraulic means to regulate relative position between die body and the movable circular arc mould, tensioning base substrate; After the base substrate tensioning, tighten the screw that holds out against on the inboard channel-section steel of movable circular arc mould, fixedly the relative position of die body and movable circular arc mould unloads hydraulic means; Lower removable cover is placed on the hydraulic press, and smooth one facing to base substrate, the die body that twines charcoal cloth is placed on the lower removable cover, cover removable cover, upper removable cover smooth one is facing to base substrate, then start hydraulic press, finish compacting and the solidification process of base substrate, realize product less, without machining.
The moulding bed device of the present invention's production U-shaped heater base substrate, simple in structure, easy to operate, the cost of producing base substrate is low, and production efficiency is high; Prepared blank density is high, and wall thickness is even, and physical dimension and geometry are accurate, can realize product less, without machining.
Description of drawings
Fig. 1 is the structural representation of moulding bed device of the present invention's production U-shaped heater base substrate;
Fig. 2 is the structural representation of movable circular arc mould shown in Figure 1.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the present invention is further elaborated.
As shown in the figure, the present embodiment comprises die body 1, movable circular arc mould 7, hydraulic means 3, cover plate, described die body 1 both sides are welded with respectively holder ear 2, and die body 1 end face is provided with two guide positioning pins 5, two locking hole I 4, and the both sides of die body 1 upper and lower surface are respectively equipped with positive stop strip 10; Described movable circular arc mould 7 is hollow semi-cylindrical, its inboard is welded with channel-section steel 11, channel-section steel 11 is provided with two locking hole II 12, two guide-localization holes 13, two and holds out against screw 6, the width of the corresponding die body of the length that channel-section steel 11 stretches out from movable circular arc mould 7 two ends 1 both sides holder ear 2 is so that install hydraulic means 3; Position and the size in the guide-localization hole 13 on the guide positioning pin 5 of die body 1 end face and the movable circular arc mould 7 inboard channel-section steels 11 are mutually corresponding, movable circular arc mould 7 is by being fixed on guide positioning pin 5 location on the die body 1, and assurance die body 1 and movable circular arc mould 7 can be done the relative motion of certain distance at long axis direction; Position and the size of the locking hole II 12 on the locking hole I 4 on the die body 1 and the movable circular arc mould 7 are mutually corresponding, and die body 1 and movable circular arc mould 7 are as a whole by clamping screw 8 lockings; Described cover plate is made of upper removable cover 9-1 and lower removable cover 9-2.
Holder ear 2 is withstood in the bottom of described hydraulic means 3, and the piston rod of hydraulic means 3 withstands the channel-section steel 11 of movable circular arc mould 7 inboards.
Described upper removable cover 9-1 contacts the base substrate one side with lower removable cover 9-2 smooth smooth, and the length and width size of upper removable cover 9-1 and lower removable cover 9-2 is greater than the corresponding base substrate face 60mm of contact; Described upper removable cover 9-1 and lower removable cover 9-2 are abnormity (such as step or wedge shape), decide on geometry and the base substrate thickness requirement of base substrate outer surface.
Using method: first with die body 1 and guide-localization hole 13 location of movable circular arc mould 7 by guide positioning pin 5 and the channel-section steel 11 of die body 1 end face, use locking hole I 4 and the locking hole II movable circular arc mould 7 inboard channel-section steels 11 on 12 of a pair of clamping screw 8 by die body 1 end face that both are connected and fixed; The charcoal cloth of the required specification of tight on die body 1, smooth winding and brushing resin use the winding border of positive stop strip 10 restriction charcoal cloth and follow-up compacting thickness; After reaching required winding thickness, unload clamping screw 8, the relative position that uses hydraulic means 3 to regulate between die bodys 1 and the movable circular arc mould 7, tensioning base substrate; After the base substrate tensioning, tighten and hold out against screw 6 on the movable circular arc mould 7 inboard channel-section steels 11, fixedly the relative position of die body 1 and movable circular arc mould 7 unloads hydraulic means 3; Lower removable cover 9-2 is placed on the hydraulic press, and smooth one facing to base substrate, the die body 1 that twines charcoal cloth is placed on the lower removable cover 9-2, cover removable cover 9-1, upper removable cover 9-1 smooth one is facing to base substrate, then start hydraulic press, finish compacting and the solidification process of base substrate, realize product less, without machining.

Claims (3)

1. moulding bed device of producing U-shaped heater base substrate, it is characterized in that, comprise die body, one or two movable circular arc mould, hydraulic means, cover plate, described die body both sides are welded with respectively the holder ear, the die body end face is provided with two guide positioning pins, two locking hole I, and the both sides of die body upper and lower surface are respectively equipped with positive stop strip; Described movable circular arc mould is hollow semi-cylindrical, and its inboard is welded with channel-section steel, and channel-section steel is provided with two locking hole II, two guide-localization holes, two and holds out against screw, the width of the corresponding die body of the length that channel-section steel stretches out from movable circular arc mould two ends both sides holder ear; Position and the size in the guide-localization hole on the guide positioning pin of die body end face and the inboard channel-section steel of movable circular arc mould are mutually corresponding, and movable circular arc mould is by being fixed on the guide-localization finger setting on the die body; Position and the size of the locking hole II on the locking hole I on the die body and the movable circular arc mould are mutually corresponding, and die body and movable circular arc mould are as a whole by clamping screw locking; Described cover plate is made of upper removable cover and lower removable cover;
The holder ear is withstood in the bottom of described hydraulic means, and the piston rod of hydraulic means withstands the channel-section steel of movable circular arc mould inboard;
Described upper removable cover contacts the base substrate one side with lower removable cover smooth smooth, and two removable covers are used for covering base substrate from upper and lower surface, and it is placed on the hydraulic press, by hydraulic press base substrate are exerted pressure.
2. the moulding bed device of production U-shaped heater base substrate according to claim 1 is characterized in that, described upper removable cover and lower removable cover are abnormity.
3. the moulding bed device of production U-shaped heater base substrate according to claim 2 is characterized in that, described upper removable cover and lower removable cover are step or wedge shape.
CN 201110452201 2011-12-30 2011-12-30 Mould device for producing U-shaped heating body blank Active CN102490259B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201110452201 CN102490259B (en) 2011-12-30 2011-12-30 Mould device for producing U-shaped heating body blank

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201110452201 CN102490259B (en) 2011-12-30 2011-12-30 Mould device for producing U-shaped heating body blank

Publications (2)

Publication Number Publication Date
CN102490259A CN102490259A (en) 2012-06-13
CN102490259B true CN102490259B (en) 2013-09-18

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Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29702835U1 (en) * 1997-02-19 1998-06-25 Reymann Technik Gmbh Formwork system for precast concrete parts
DE20103727U1 (en) * 2001-03-05 2001-08-23 Weidner Georg Formwork system for shuttering precast concrete parts
DE202004019319U1 (en) * 2003-12-17 2005-04-07 Weidner Georg Formwork unit with form or profile element for building materials
CN101478841B (en) * 2008-12-31 2012-05-02 西安超码科技有限公司 Carbon/carbon heating body preparation method for polysilicon hydrogenation furnace
CN101541111B (en) * 2009-04-22 2010-10-13 蒋建纯 U-shaped heating element of silicon tetrachloride hydrogenation furnace and manufacturing process thereof
CN201737706U (en) * 2010-08-13 2011-02-09 西安超码科技有限公司 U-shaped C/C heater for polycrystalline silicon hydrogenation furnace

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