CN105751092A - Grindstone hot press molding die and hot press molding technology thereof - Google Patents
Grindstone hot press molding die and hot press molding technology thereof Download PDFInfo
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- CN105751092A CN105751092A CN201410775856.6A CN201410775856A CN105751092A CN 105751092 A CN105751092 A CN 105751092A CN 201410775856 A CN201410775856 A CN 201410775856A CN 105751092 A CN105751092 A CN 105751092A
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Abstract
The invention relates to a grindstone hot press molding die and a hot press molding technology thereof. The die comprises an upper die and a lower die which can be separated. The lower die is on the bottom in a die sleeve. A core mold and a mandril are combined with a lower mold plate. A space for holding a hot-press workpiece blank is formed among the inner walls of the die sleeve. An upper mold plate is on the upper part in the die sleeve, and is placed on the blank of the hot-press workpiece. The lower surface of the upper mold plate is provided with a peck plate. A connecting sleeve and an upper connecting core mold are respectively combined with the die sleeve and the core mold. The upper mold plate and a pressing ring are placed between the connecting sleeve and the upper connecting core mold. The technology comprises: assembling the upper die and the lower die, installing the lower mold plate, installing the mandril, combining the core molds, putting into a blank to strike off a comb material, adding the upper mold plate and the pressing ring, performing prepressing, removing a sizing block, the connecting sleeve, the upper connecting core mold, and the pressing ring, and starting pressing; maintaining pressure, deflating, and repressing to complete pressing, and then unloading the die, and transferring a hot press workpiece blank on a drying rack. The grindstone hot press molding die is characterized by simple structure, easy operation, fast die heat conduction, even heated, and low heat energy loss.
Description
Technical field
The present invention relates to the production and processing mould of hot pressing abrasive tool blank molding, specifically a kind of grinding stone heat pressing and molding mold and hot press forming technology thereof.
Background technology
Owing to the hot-forming special grinding stone of steel rail grinding (emery wheel) is grand master pattern molding, grinding stone hardness is high, and processing grinding stone work surface is very difficult, and even plain grinding is not processed.The purpose of processing is to make grinding stone put the first edge on a knife or a pair of scissors to be easy to grinding stone polishing operation；Otherwise, grinding stone cannot be installed and used.
The mould of grinding stone molding design time must according to the designing requirement manufacture to mould, including:
1. mould structure should meet grinding stone shape of product and size；
2. mould structure is easy to assembly and disassembly；
3. mould to have enough packed heights, i.e. H=Kh+B, H=H1+H2；Wherein, H is the height (mm) of die sleeve (plug), H1For Upper Die-sleeve height (mm), H2For lower die-sleeve height (mm), K is die mould coefficient (compression ratio), and h is molding high (thickness) degree (mm) of grinding stone, and B is the thickness (mm) of upper mould plate and lower bolster,K=1.4～2.0, cover half K=1；
4. mould and molding mass contact surface to have the roughness of setting, hardness, toughness and wearability.
Owing to existing grinding stone moulding process all adopts cold moudling, cold moudling all adopts the high Design of Dies of COEFFICIENT K=2, could meet production technology forming requirements.Therefore, mould is typically designed to single structure.And the grinding stone product for needing hot press forming technology to produce, according to the mould that above-mentioned designing requirement manufactures, grinding set height is more than 2 times of grinding stone height, hot pressing die thermal energy conduction distance is big, waste heat energy, and hot-forming need mould many, generally produce needs 8～12 mold and simultaneously participate in and could keep yield.Because Making mold needs substantial amounts of forging steel billet to process die sleeve, core (type) rod, this results in hot pressing product product cost and strengthens.
Summary of the invention
For making the hot-forming production product of employing meet the designing requirement to mould, solution thermal energy conduction distance is big, need the problem that mould is many, it is an object of the invention to provide a kind of grinding stone heat pressing and molding mold and hot press forming technology thereof.
It is an object of the invention to be achieved through the following technical solutions:
Grinding stone heat pressing and molding mold of the present invention includes detachable upper and lower mould, wherein mold include female connector, trim ring and on connect core pattern, described lower mold include die sleeve, plug, lower bolster, under connect core pattern, peck plate and cope match-plate pattern, described female connector is connected with die sleeve combination, described lower bolster is positioned at the bottom of this die sleeve, described plug is connected with the combination of this lower bolster, and forms the space of blank at the bottom of accommodating hot pressing product between the inwall of plug and described die sleeve；Connect under described core pattern with on connect core pattern combination and be connected, and be placed on blank at the bottom of described hot pressing product, connect under described core pattern and on connect and between core pattern and female connector and die sleeve, form the space housing hot pressing product ring blank；Described cope match-plate pattern is positioned at the top of die sleeve, is placed on the ring blank of described hot pressing product, the lower surface of described cope match-plate pattern be inlaid with increase hot pressing product face surface abrasive material roughness peck plate；Described female connector and on connect and between core pattern, be provided with the trim ring being placed on described cope match-plate pattern.
Wherein: connect under described core pattern is provided with mean for mould unloading machine ejects lower bolster and plug unload core pattern hole；Connecing the centre bore having in core pattern on described, this centre bore is connected with described core pattern hole of unloading；The outer surface of described plug has tapering, and the bigger one end of this diameter of mandrel is connected with the combination of described lower bolster, the less one end of diameter with described under connect core pattern and combine and be connected；
Grinding stone heat pressing and molding mold of the present invention includes detachable upper and lower mould, wherein mold include female connector, trim ring and on connect plug, described lower mold include die sleeve, under connect plug, lower bolster, peck plate and cope match-plate pattern, described female connector is connected with die sleeve combination, described lower bolster is positioned at the bottom of this die sleeve, connect under described the two ends of plug respectively with lower bolster, on connect plug combination and be connected, connect on described plug and under connect and between plug and female connector and die sleeve, form the space housing hot pressing product blank；Described cope match-plate pattern is positioned at the top of die sleeve, is placed on the blank of described hot pressing product, the lower surface of described cope match-plate pattern be inlaid with increase hot pressing product face surface abrasive material roughness peck plate；Described female connector and on connect and between plug, be provided with the trim ring being placed on described cope match-plate pattern.
Wherein: the outer surface connecing plug under described has tapering, inwardly reduces from the bottom to top, connect the combination of the bigger one end of diameter of mandrel and described lower bolster under this and be connected, the less one end of diameter with described on connect plug and combine and be connected；
Described plate of pecking is embedded on the lower surface of cope match-plate pattern, and this pecks the one side that plate contacts with described hot pressing product is the mill grained rough pitted skin for increasing hot pressing product face surface roughness；The inwall of described die sleeve has tapering, outwards reduces from the bottom to top.
The hot press forming technology of grinding stone heat pressing and molding mold of the present invention: first, assembles described female connector and die sleeve, is loaded in die sleeve by described lower bolster, then by plug and lower bolster combination, and at described die sleeve parallels placed below；The end blank of hot pressing product is put between described plug and the inwall of die sleeve, carry out comb material to strike off, then on this end blank, place combine upper and lower connect core pattern, again at the described upper and lower ring blank putting into hot pressing product between core pattern and female connector and the inwall of die sleeve that connects, comb material places described cope match-plate pattern after striking off；Put into described trim ring to cope match-plate pattern, suppress described trim ring and carry out precompressed；After precompressed, unload described female connector, on connect core pattern, trim ring and parallels, start compacting, peck described in pressing process is passed through on plate mill grained rough pitted skin make the work surface of hot pressing product have rough surface；After pressurize, venting, again suppression process complete compacting, carry out mould unloading, eject described lower bolster with mould unloading machine, unload downwards plug, remove described cope match-plate pattern, upwards connect core pattern under removal, move the blank of hot pressing product with supporting plate holder, be placed on drying frame.
The hot press forming technology of grinding stone heat pressing and molding mold of the present invention: first, assembles described female connector and die sleeve, is loaded by described lower bolster in die sleeve, at die sleeve parallels placed below；Then place the upper and lower plug that connects combined, under described, connect plug and lower bolster combination；At the described upper and lower blank putting into described hot pressing product between plug and female connector and the inwall of die sleeve that connects, comb material places described cope match-plate pattern after striking off；Put into described trim ring to cope match-plate pattern; suppress described trim ring and carry out precompressed; after precompressed; unload described female connector, on connect plug, trim ring and parallels; start compacting; the mill grained rough pitted skin pecked described in passing through in pressing process on plate makes the work surface of hot pressing product have rough surface; compacting is completed through pressurize, venting, again suppression process; mould unloading is carried out after having suppressed; described lower bolster is ejected with mould unloading machine; unload downwards to fall down and connect plug, remove described cope match-plate pattern, the blank of hot pressing product is moved and is placed on drying frame.
Wherein: described die sleeve is head-up placed greatly, one end that namely die sleeve inner diameter is bigger is upward.
Advantages of the present invention and good effect be:
1. heat pressing and molding mold of the present invention adopts up-down structure design, simple in construction easy to operate, die sleeve, cope match-plate pattern, core pattern and lower bolster is only retained during compacting, reduce downtrodden mold height (mold height of reduction is the height of female connector), both can accelerate thermal energy conduction, reduce heat energy loss, die manufacturing cost is made to reduce, can ensure that again product quality, meet instructions for use.
2. heat pressing and molding mold of the present invention is inlaid with on the lower surface of cope match-plate pattern and pecks plate, solves grinding stone product grand master pattern and is formed without processing from the problem put the first edge on a knife or a pair of scissors, namely produces mill grained rough pitted skin at grinding stone work surface in pressing process.
3. heat pressing and molding mold of the present invention adopt female connector and multiple die sleeves with the use of, make multiple short mould (K=1) become multiple high mould (K=2).
4. existing mold is when hot pressing, and because mould is a set of of entirety, heating compacting thermal energy conduction distance is big, causes thermal waste；And the hot press forming technology of the present invention, because mould is up-down structure, die sleeve, cope match-plate pattern, core pattern and lower bolster is only retained during compacting, short mould is become by original high mould, accelerate thermal energy conduction after reducing height, reduce heat energy loss, be heated evenly at effective hot pressing time inner mold, hot pressing product appearance luster is uniform, constant product quality.
5. in the hot press forming technology of the present invention, compacting while, can by peck plate suppress grinding stone work surface mill grained rough pitted skin, meet product instructions for use, be processed again after making the hardening of existing production grinding stone the operation of work surface with omission, saved processing and manufacturing cost；And, peck plate aluminium material, good heat conductivity, easily processing, cost is low, the life-span is long.
Accompanying drawing explanation
Fig. 1 is the internal structure schematic diagram of heat pressing and molding mold embodiment one of the present invention；
Fig. 2 be Fig. 1 hot-forming time state diagram；
Fig. 3 is the internal structure schematic diagram of heat pressing and molding mold embodiment two of the present invention；
Fig. 4 be Fig. 3 hot-forming time state diagram；
Wherein: 1 is female connector, 2 is die sleeve, 3 be hot pressing product, 4 be plug, and 5 be lower bolster, 6 be under connect core pattern, 7 for pecking plate, and 8 is cope match-plate pattern, and 9 is trim ring, 10 be on connect core pattern, 11 for unloading core pattern hole, 12 be on connect plug, 13 be under connect plug.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.
Embodiment one
As it is shown in figure 1, the heat pressing and molding mold of the present embodiment includes detachable mold and lower mold, wherein mold include female connector 1, trim ring 9 and on connect core pattern 10, lower mold include die sleeve 2, plug 4, lower bolster 5, under connect core pattern 6, peck plate 7 and cope match-plate pattern 8.The core pattern of the present embodiment includes plug 4 and upper and lower connects core pattern 10,6.Die sleeve 2 is tubular, and inwall has tapering, outwards reduces from the bottom to top；When hot pressing, die sleeve 2 is big head-up (one end that namely die sleeve 2 inner diameter is bigger is upward), is provided with female connector 1, die sleeve 2 parallels placed under at the top of die sleeve 1；Lower bolster 5 is positioned at the bottom of die sleeve 2, the outer surface of plug 4 has tapering, inwardly reducing from the bottom to top, one end that plug 4 is relatively large in diameter is connected with lower bolster 5 combination, and and forms the space housing hot pressing product (grinding stone) 3 blank between the inwall of die sleeve 2；The end blank of hot pressing product 3 is put between plug 4 and die sleeve 2 inwall, upper and lower connecing after core pattern 10,6 combines is placed on this end blank, the less one end of plug 4 diameter with under connect core pattern 6 combination and be connected (upper end is inserted and connect under this in core pattern 6), upper and lower connect the ring blank of input hot pressing product 3 between core pattern 10,6 and the inwall of female connector 1 and die sleeve 2.Under connect the cylindricality that core pattern 6 is hollow, upper end has unloads core pattern hole 11, and with on connect core pattern 10 combination be connected, cope match-plate pattern 8 is positioned at the top of die sleeve 2, put into down and connect between core pattern 6 and die sleeve 2, being placed on the blank of hot pressing product 3, what the lower surface of cope match-plate pattern 8 was inlaid with aluminum pecks plate 7, and this pecks the one side that plate 7 contacts with hot pressing product 3 is increase the mill grained rough pitted skin of hot pressing product 3 face surface roughness.Female connector 1 and on connect core pattern 10 respectively with die sleeve 2, under connect core pattern 6 detachable combination and be connected, this female connector 1 and on connect between core pattern 10 placement trim ring 9 on cope match-plate pattern 8.
Between female connector 1 with die sleeve 2 and on connect core pattern 10 with under connect and be connected each through seam between core pattern 6.
Embodiment two
As it is shown on figure 3, the heat pressing and molding mold of the present embodiment includes detachable mold and lower mold, wherein mold include female connector 1, trim ring 9 and on connect plug 12, lower mold include die sleeve 2, under connect plug 13, lower bolster 5, peck plate 7 and cope match-plate pattern 8.The present embodiment grinding stone is cylindrical form emery wheel, and core pattern is column type mandrel structure, this plug be divided into inner hollow on connect plug 12 and under connect plug 13.Die sleeve 2 is tubular, and inwall has tapering, outwards reduces from the bottom to top；When hot pressing, die sleeve 2 is big head-up (one end that namely die sleeve 2 inner diameter is bigger is upward), is provided with female connector 1, die sleeve 2 parallels placed under at the top of die sleeve 1；Lower bolster 5 is positioned at the bottom of die sleeve 2, under connect the outer surface of plug 13 and there is the cone end, inwardly reduce from the bottom to top, connect one end that plug 13 is relatively large in diameter under this to be connected with lower bolster 5 combination, the less one end of diameter with on connect plug 12 combination and be connected, upper and lower connect the blank of input hot pressing product 3 between plug 12,13 and female connector 1 and die sleeve 2 inwall.Cope match-plate pattern 8 is positioned at the top of die sleeve 2, put into down and connect between plug 13 and die sleeve 2, it is placed on the blank of hot pressing product 3, what the lower surface of cope match-plate pattern 8 was inlaid with aluminum pecks plate 7, and this pecks the one side that plate 7 contacts with hot pressing product 3 is increase the mill grained rough pitted skin of hot pressing product 3 face surface roughness.Female connector 1 and on connect plug 12 respectively with die sleeve 2, under connect plug 13 detachable combination and be connected, female connector 1 and on connect between plug 10 placement trim ring 9 on cope match-plate pattern 8.
Between female connector 1 with die sleeve 2 and on connect plug 12 with under connect and be connected each through seam between plug 13.
The hot press forming technology flow process of heat pressing and molding mold of the present invention is:
For the cup-shaped grinding tool of below the diameter 250mm of hot pressing product 3, Design of Dies can be carried out as shown in Figure 1, the core pattern of this mould include plug 4, under connect core pattern 6 and on connect core pattern 10；First assemble female connector 1 and die sleeve 2, die sleeve 2 is head-up placed greatly, in die sleeve 2, load lower bolster 5, then plug 4 and lower bolster 5 are combined, and at die sleeve 2 parallels placed below (parallels thickness can at 8～16mm)；Then putting into the end blank of hot pressing product 3 between plug 4 and die sleeve 2 inwall, comb material strikes off；Put into combination core pattern (under connect core pattern 6 and on connect core pattern 10), then combination core pattern and the inwall of female connector 1 and die sleeve 2 between put into hot pressing product 3 ring blank, comb material strike off after place cope match-plate pattern 8；Placing and carry out precompressed on trim ring 9 to cope match-plate pattern 8, preload pressure is the 1/5～1/3 of briquetting pressure, and precompressed template above 8 is pressed in die sleeve 2 and is as the criterion；Unload after precompressed female connector 1, on connect core pattern 10, trim ring 9 and parallels, start to suppress as shown in Figure 2 to be flattened by die sleeve about 2.Pecking in pressing process after plate 7 makes the work surface molding of hot pressing product 3 and can produce coarse pitted skin, briquetting pressure (315T press) is 5～8MPa, and pressurize 1～3 minute gets final product mould unloading after having suppressed；Eject lower bolster 5 with mould unloading machine, unload downwards plug 4, remove cope match-plate pattern 8, upwards under removal, connect core pattern 6, with supporting plate, the cup-shaped blank shifting of hot pressing product 3 is placed on drying frame.
For the diameter of hot pressing product 3 at the flat shape of 250～400mm or tubular grinding tool, can designing mould as shown in Figure 3, the core pattern of this mould be connect under hollow plug 13 and on connect plug 12；First assemble female connector 1 and die sleeve 2, die sleeve 2 is head-up placed greatly, in die sleeve 2, load lower bolster 5, then will combination plug (under connect plug 13 and on connect plug 12) combine with lower bolster 5, and at die sleeve 2 parallels placed below (parallels thickness can at 8～16mm)；Putting into the blank of hot pressing product 3 between combination plug and the inwall of female connector 1 and die sleeve 2, comb material places cope match-plate pattern 8 after striking off.Again this female connector 1 and on connect and put on trim ring 9 to cope match-plate pattern 8 between plug 12, preload pressure is the 1/5～1/3 of briquetting pressure, and precompressed template above 8 is pressed in die sleeve 2 and is as the criterion；Unload after precompressed female connector 1, on connect plug 12, trim ring 9 and parallels, start to suppress as shown in Figure 4 to be flattened by die sleeve about 2.Pecking in pressing process after plate 7 makes the work surface molding of hot pressing product 3 and can produce coarse pitted skin, briquetting pressure (500T press) is 8～15MPa, pressurize 30～60 minutes, hot pressing must venting 2～3 times, pressurize interval time is 8～15 minutes.Suppress rear mould unloading, ejected lower bolster 5 with mould unloading machine, unload down and connect plug 13, remove cope match-plate pattern 8, moved flat shape or the tubular blank (mobile product blank is careful and is prevented from scalding wrist) of hot pressing product 3 with supporting plate holder, be placed on drying frame.
Heat pressing and molding mold of the present invention, shaped article tissue tight even pore-free, considerably improve product strength and hardness, make the durability of grinding stone product be greatly improved, the durability of test products can improve 20～50%.
The principle of hot press forming technology of the present invention is to suppress in the way of heating, makes bonding agent rapid melting polycondensation hardening or semi-harden within the time of insulation.Hot pressing is compacting and the process simultaneously carried out of hardening, therefore hardening process not easily causes product deformation and foaming, it is possible to produce the grinding tool product that hardness is high.
Claims (10)
1. a grinding stone heat pressing and molding mold, it is characterized in that: include detachable upper, lower mold, wherein mold includes female connector (1), trim ring (9) and on connect core pattern (10), described lower mold includes die sleeve (2), plug (4), lower bolster (5), under connect core pattern (6), peck plate (7) and cope match-plate pattern (8), described female connector (1) is connected with die sleeve (2) combination, described lower bolster (5) is positioned at the bottom of this die sleeve (2), described plug (4) is connected with this lower bolster (5) combination, and between the inwall of plug (4) and described die sleeve (2), form the space of accommodating hot pressing product (3) end blank；Connect under described core pattern (6) with on connect core pattern (10) combination be connected, and be placed on described hot pressing product (3) end blank, connect under described core pattern (6) and on connect the space forming accommodating hot pressing product (3) ring blank between core pattern (10) and female connector (1) and die sleeve (2)；Described cope match-plate pattern (8) is positioned at the top of die sleeve (2), is placed on the ring blank of described hot pressing product (3), the lower surface of described cope match-plate pattern (8) be inlaid with increase hot pressing product (3) face surface abrasive material roughness peck plate (7)；Described female connector (1) and above connect and be provided with the trim ring (9) being placed on described cope match-plate pattern (8) between core pattern (10).
2. by grinding stone heat pressing and molding mold described in claim 1, it is characterised in that: connect under described core pattern (6) is provided with mean for mould unloading machine ejects lower bolster (5) and plug (4) unload core pattern hole (11)；Connecing the centre bore having in core pattern (10) on described, this centre bore is connected with described core pattern hole (11) of unloading.
3. by the grinding stone heat pressing and molding mold described in claim 1, it is characterized in that: the outer surface of described plug (4) has tapering, the combination of one end that this plug (4) is relatively large in diameter and described lower bolster (5) is connected, the less one end of diameter with described under connect core pattern (6) and combine and be connected.
4. a grinding stone heat pressing and molding mold, it is characterized in that: include detachable upper, lower mold, wherein mold includes female connector (1), trim ring (9) and on connect plug (12), described lower mold includes die sleeve (2), under connect plug (13), lower bolster (5), peck plate (7) and cope match-plate pattern (8), described female connector (1) is connected with die sleeve (2) combination, described lower bolster (5) is positioned at the bottom of this die sleeve (2), connect under described the two ends of plug (13) respectively with lower bolster (5), on connect plug (12) combination connect, connect on described plug (12) and under connect the space forming accommodating hot pressing product (3) blank between plug (13) and female connector (1) and die sleeve (2)；Described cope match-plate pattern (8) is positioned at the top of die sleeve (2), is placed on the blank of described hot pressing product (3), the lower surface of described cope match-plate pattern (8) be inlaid with increase hot pressing product (3) face surface abrasive material roughness peck plate (7)；Described female connector (1) and above connect and be provided with the trim ring (9) being placed on described cope match-plate pattern (8) between plug (12).
5. by the grinding stone heat pressing and molding mold described in claim 4, it is characterized in that: the outer surface connecing plug (13) under described has tapering, inwardly reduces from the bottom to top, connect one end that plug (13) is relatively large in diameter under this to be connected with described lower bolster (5) combination, the less one end of diameter with described on connect plug (12) and combine and be connected.
6. by the grinding stone heat pressing and molding mold described in claim 1 to 5 any claim, it is characterized in that: described in peck plate (7) and be embedded on the lower surface of cope match-plate pattern (8), this pecks the one side that plate (7) contacts with described hot pressing product (3) is the mill grained rough pitted skin for increasing hot pressing product (3) face surface roughness.
7. by the grinding stone heat pressing and molding mold described in claim 1 to 5 any claim, it is characterised in that: the inwall of described die sleeve (2) has tapering, outwards reduces from the bottom to top.
8. the hot press forming technology by grinding stone heat pressing and molding mold described in claim 1, it is characterized in that: first, assemble described female connector (1) and die sleeve (2), described lower bolster (5) is loaded in die sleeve (2), again by plug (4) and lower bolster (5) combination, and at described die sleeve (2) parallels placed below；The end blank of hot pressing product (3) is put between the inwall of described plug (4) and die sleeve (2), carry out comb material to strike off, then on this end blank, place combine upper and lower connect core pattern (10,6), again at the described upper and lower ring blank putting into hot pressing product (3) between core pattern (10,6) and the inwall of female connector (1) and die sleeve (2) that connects, comb material places described cope match-plate pattern (8) after striking off；Put into described trim ring (9) to cope match-plate pattern (8), suppress described trim ring (9) and carry out precompressed；After precompressed, unload described female connector (1), on connect core pattern (10), trim ring (9) and parallels, start compacting, peck the mill grained rough pitted skin on plate (7) described in pressing process is passed through and make the work surface of hot pressing product (3) have rough surface；After pressurize, venting, again suppression process complete compacting; carry out mould unloading; described lower bolster (5) is ejected with mould unloading machine; unload downwards plug (4); remove described cope match-plate pattern (8); upwards connect core pattern (6) under removal, move the blank of hot pressing product (3) with supporting plate holder, be placed on drying frame.
9. the hot press forming technology by grinding stone heat pressing and molding mold described in claim 4, it is characterized in that: first, assemble described female connector (1) and die sleeve (2), described lower bolster (5) is loaded in die sleeve (2), at die sleeve (2) parallels placed below；Then place combine upper and lower and connect plug (12,13), under described, connect plug (13) and lower bolster (5) combination；At the described upper and lower blank putting into described hot pressing product (3) between plug (12,13) and the inwall of female connector (1) and die sleeve (2) that connects, comb material places described cope match-plate pattern (8) after striking off；Put into described trim ring (9) to cope match-plate pattern (8), suppress described trim ring (9) and carry out precompressed, after precompressed, unload described female connector (1), on connect plug (12), trim ring (9) and parallels, start compacting, pecking the mill grained rough pitted skin on plate (7) described in passing through in pressing process makes the work surface of hot pressing product (3) have rough surface, through pressurize, venting, suppression process completes compacting again, mould unloading is carried out after having suppressed, described lower bolster (5) is ejected with mould unloading machine, unload downwards to fall down and connect plug (13), remove described cope match-plate pattern (8), the blank of hot pressing product (3) is moved and is placed on drying frame.
10. by the hot press forming technology described in claim 8 or 9, it is characterised in that: described die sleeve (2) is head-up placed greatly, and one end that namely die sleeve (2) inner diameter is bigger is upward.
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| CN201410775856.6A CN105751092B (en) | 2014-12-15 | 2014-12-15 | A kind of grinding stone heat pressing and molding mold and its hot press forming technology |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104625984A (en) * | 2015-01-30 | 2015-05-20 | 洛阳希微磨料磨具有限公司 | Mold for double-bevel biconcave grinding wheel |
| CN106181797A (en) * | 2016-08-30 | 2016-12-07 | 洛阳希微磨料磨具有限公司 | A kind of emery wheel die for manufacturing |
| CN108838914A (en) * | 2018-07-13 | 2018-11-20 | 邵阳市深砂磨料磨具有限公司 | Grinding wheel press-moulding die and briquetting process |
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| DE2614743A1 (en) * | 1975-04-07 | 1976-10-21 | Edenvale Eng Works | METHOD FOR MANUFACTURING ABRASIVE BODIES |
| KR100235179B1 (en) * | 1996-05-31 | 2000-04-01 | 윤덕용 | Die to manufacture grinding stone which has the porous and discontinuous property |
| CN2564342Y (en) * | 2002-08-18 | 2003-08-06 | 石家庄博深工具有限公司 | Cold-pressing die for diamond grinding disc tool bit |
| CN2796947Y (en) * | 2005-04-20 | 2006-07-19 | 杨奇丹 | Grinding wheel mould |
| CN201158006Y (en) * | 2008-03-07 | 2008-12-03 | 滕永平 | Energy-saving grinding wheel mould |
| CN202357058U (en) * | 2011-11-17 | 2012-08-01 | 广东奔朗新材料股份有限公司 | Die for pressing bowl-shaped ceramic bond diamond grinding wheel |
| CN204413878U (en) * | 2014-12-15 | 2015-06-24 | 阜新市圣达磨具制造有限公司 | A kind of grinding stone heat pressing and molding mold |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104625984A (en) * | 2015-01-30 | 2015-05-20 | 洛阳希微磨料磨具有限公司 | Mold for double-bevel biconcave grinding wheel |
| CN106181797A (en) * | 2016-08-30 | 2016-12-07 | 洛阳希微磨料磨具有限公司 | A kind of emery wheel die for manufacturing |
| CN108838914A (en) * | 2018-07-13 | 2018-11-20 | 邵阳市深砂磨料磨具有限公司 | Grinding wheel press-moulding die and briquetting process |
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| CN105751092B (en) | 2018-06-26 |
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Address after: 123321 construction street, No. 192, hahhun Town, Zhangwu County, Fuxin, Liaoning Applicant after: Liaoning Shengda Abrasives Manufacturing Co. Ltd. Address before: 123321 construction street, No. 192, hahhun Town, Zhangwu County, Fuxin, Liaoning Applicant before: Fuxin City Sheng Da grinding tool Manufacturing Co., Ltd |
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Granted publication date: 20180626 Termination date: 20181215 |