CN106994513A - The vacuum heating-press sintering mould and its application method of a kind of cavity - Google Patents
The vacuum heating-press sintering mould and its application method of a kind of cavity Download PDFInfo
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- CN106994513A CN106994513A CN201710404173.3A CN201710404173A CN106994513A CN 106994513 A CN106994513 A CN 106994513A CN 201710404173 A CN201710404173 A CN 201710404173A CN 106994513 A CN106994513 A CN 106994513A
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- cavity
- mould
- vacuum heating
- vacuum
- press sintering
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/12—Both compacting and sintering
- B22F3/14—Both compacting and sintering simultaneously
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/12—Both compacting and sintering
- B22F3/1208—Containers or coating used therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/12—Both compacting and sintering
- B22F3/14—Both compacting and sintering simultaneously
- B22F2003/145—Both compacting and sintering simultaneously by warm compacting, below debindering temperature
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- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Powder Metallurgy (AREA)
- Press Drives And Press Lines (AREA)
Abstract
The present invention relates to the vacuum heating-press sintering mould and its application method of a kind of cavity, the device includes releasing part, die sleeve and pressing plate, each die sleeve is that assembling is assembled into mold cavity by 2 die cavity half modules in inverted round table cavity, cavity, and each mold cavity bottom sets the first cushion block；Match somebody with somebody pressure head in each mold cavity, pressing plate is located on pressure head, sinter rear fender and be located at inverted mould bottom after taking-up pressure head, the second cushion block is set between die sleeve and pressing plate, the top that part is located at vacuum heating-press sintering mould is released, releasing part includes multiple ejector blocks, fixed plate and backing plate, and multiple ejector blocks are arranged on backing plate by fixed plate, one ejector block of each mold cavity correspondence, and each ejector block diameter is identical with the top end diameter of mold cavity.The present invention realizes the rapidly and efficiently demoulding of billet by the design of multiple mold cavities and the close fit of release part and mould, and reduces the pressure that pressure head applies to mold cavity by conical surface wedging power, improves die life.
Description
Technical field：
The invention belongs to sintered powder technique field, and in particular to a kind of vacuum heating-press sintering mould of cavity and its make
Use method.
Background technology：
The enhanced magnesium alloy materials of graphene turn into the focus studied now, and traditional casting method can not make graphite
Alkene lamellar body is uniformly dispersed in solution, it is easy to reunited, and powder metallurgy turns into a kind of and extraordinary prepares graphene
The method of enhanced magnesium-based composite material, but because the material of traditional vacuum heating-press sintering mould is generally graphite type material,
This kind of material is in vacuum hotpressing, and mould is easily damaged, and in the demoulding, if external force is excessive also to make mould inner wall and base
Ingot is damaged, and reduces the mold use life-span, and most of vacuum heating-press sintering mould only one of which die cavities, sinters efficiency
It is low.
The content of the invention：
The present invention, should to overcome drawbacks described above there is provided the vacuum heating-press sintering mould and its application method of a kind of cavity
Device selects H13 heat resisting steel as mold materials, by cavity design into four chambers, can be during once sintered, while sintering 4
Individual billet, and the structure of mold cavity can both realize the convenient and swift demoulding, and billet and mould are not damaged, reach extension mould
Have the purpose of service life, greatly reduce human and material resources, waste of time.
The technical solution adopted by the present invention is：A kind of vacuum heating-press sintering mould of cavity, vacuum heating-press sintering mould
Tool includes releasing to be machined with multiple inverted round table cavity, each inverted round table cavity in part, die sleeve and pressing plate, die sleeve
A mold cavity is equipped with, each mold cavity is assembled by 2 die cavity half modules；
During vacuum heating-press sintering：Each mold cavity bottom is provided with the first cushion block；Each mold cavity has one therewith
The pressure head of cooperation, multiple pressure heads are connected by pressing plate；
When sintering terminates ejection products formed：Pressure head is taken out, vacuum heating-press sintering mould is inverted, pressing plate is placed in vacuum hotpressing burning
The bottom of mould is tied, multiple second cushion blocks are additionally provided between die sleeve and pressing plate, the release part is located at vacuum heating-press sintering
The top of mould, the release part includes multiple ejector blocks, fixed plate and backing plate, and multiple ejector blocks are arranged on by fixed plate
On backing plate, one ejector block of each mold cavity correspondence, and each ejector block diameter is identical with the top end diameter of mold cavity.
Preferably, the mold cavity is 4, and is arranged in rectangular array form.
Preferably, the fixed plate is connected by screw with backing plate, and the screw is evenly distributed in backing plate edge.
Preferably, the second cushion block is strip, and pressing plate both sides are arranged on by axial symmetry of pressing plate center line.
Preferably, the draw taper α of the mold cavity is 3 °.
Preferably, first pad thickness is 20mm.
Preferably, the plate thickness is 30mm.
Preferably, the vacuum heating-press sintering mould is made of H13 heat resisting steel.
A kind of vacuum heating-press sintering mold use method of cavity,
Comprise the following steps that：
The first step, 2 die cavity half modules, the first cushion block is in turn mounted in each mold cavity, then die sleeve is put into very
In empty hot-pressed sintering furnace, pressure is respectively charged into after the metal dust of equivalent is put on the first cushion block of each mold cavity bottom
Head, pressing plate is placed on each pressure head；
Second step, closes the fire door of vacuum sintering funace, starts to vacuumize, when being extracted into specified vacuum and spending, and passes through pressure
Plate is pressurizeed to pressure head, is pressurized to after specified pressure, and vacuum sintering funace is begun to warm up, and is heated to assigned temperature and is kept
For a period of time, slow decompression is then started, until being decompressed to normal pressure；
3rd step, opens vacuum sintering funace, vacuum heating-press sintering mould is taken out from vacuum sintering furnace, then will pressure
Head is taken out, and the second cushion block is placed between die sleeve and pressing plate；
4th step, the vacuum heating-press sintering mould after the 3rd successive step is inverted and is placed on forcing press, and will release part
In withstand on the first cushion block and die cavity half module at the top of each ejector block, when forcing press, which press against release part, to be moved downward, push away
Part block pushes down on the first cushion block, die cavity half module and billet and moved downward, and part is released；
5th step, die cavity half module, the first cushion block and billet are taken out from die sleeve, after 2 die cavity half module separation, are obtained
Fine and close metal forming billet.
Preferably, the specified vacuum degree is 1Pa, and the specified pressure is 180~200Mpa, and the assigned temperature is
550 degrees Celsius, described a period of time is 2 hours.
The beneficial effects of the invention are as follows：
By the way that the mold cavity of traditional hot pressed sintering mould is changed into four, realization prepares billet with four times of speed,
The inwall of each mold cavity is used to be made up of in cone structure, and each mold cavity two die cavity half modules, and the structure is not only
The demoulding of product can be facilitated, and the wedging power of the conical surface can reduce the pressure that pressure head is brought to wall of die cavity, improve
Die life；Part is released by setting, easily simultaneously can be stripped the die cavity half module and billet in mold cavity,
With simple in construction, the inwall of mold cavity and the surface of billet are not damaged, production efficiency is high, closed particularly suitable for magnesium alloy, aluminium
The sintering of the relatively low dusty material of fusing point such as gold and its composite.
Brief description of the drawings：
Schematic three dimensional views when Fig. 1 is the sintering of the present invention；
Fig. 2 is Fig. 1 top view；
Fig. 3 is Fig. 2 C-C sectional views；
Fig. 4 is the schematic three dimensional views of the release part of the present invention；
Fig. 5 is Fig. 4 top view；
Fig. 6 is Fig. 5 B-B sectional views；
Fig. 7 is that mold cavity takes out the top view that release part and the second cushion block are installed after pressure head is inverted；
Fig. 8 is Fig. 7 D-D sectional views；
Fig. 9 is the top view of Fig. 1 center platens；
Figure 10 is Fig. 9 A-A sectional view；
Figure 11 is the top view of pressure head in Fig. 1；
Figure 12 is Figure 11 E-E sectional views；
Figure 13 is the top view of the die cavity half module in Fig. 1；
Figure 14 is the front view of die cavity half module；
Figure 15 is the top view of die sleeve in Fig. 1；
Figure 16 is Figure 15 F-F echelon sectional views；
Figure 17 is the top view of ejector block in Fig. 7；
Figure 18 is the front view of ejector block；
Figure 19 is the top view of fixed plate in Fig. 7；
Figure 20 is Figure 19 G-G sectional views；
Figure 21 is the top view of backing plate in Fig. 7；
Figure 22 is Figure 21 H-H sectional views；
Wherein：Pressing plate 1, pressure head 2, die cavity half module 3, die sleeve 4, the first cushion block 5, metal dust 6, ejector block 7, fixed plate 8,
Screw 9, backing plate 10, billet 11, the second cushion block 12.
Embodiment：
With reference to embodiment, the present invention is further elaborated.
The present invention a kind of cavity vacuum heating-press sintering mould and its application method, it is contemplated that the fusing point of magnesium alloy compared with
Low, temperature during sintering is slightly below magnesium alloy fusing point, and the present invention is used as vacuum heating-press sintering mould, such as Fig. 1 from H13 heat resisting steel
Shown in Fig. 3, vacuum heating-press sintering mould, which includes releasing in part, die sleeve 4 and pressing plate 1, die sleeve 4, is machined with multiple inverted round table
Cavity, each inverted round table cavity is built-in to be furnished with a mold cavity, and the present embodiment is situated between by taking 4 mold cavities as an example
Continue.
As shown in Figure 15 and Figure 16,4 mold cavities are evenly distributed on die sleeve 4 in rectangular array form, described
The draw taper α of mold cavity is 3 °, and each mold cavity is assembled by 2 die cavity half modules 3；As shown in Figure 13 and Figure 14,
The horizontal cross-section of the die cavity half module 5 is semi-circular shape, and 2 openings of die cavity half module 3 are oppositely arranged in mold cavity, and 2
The outer wall of die cavity half module 3 and the inwall gap of mold cavity coordinate, and the inwall of 2 die cavity half modules 3 encloses to form hollow cavity, shape
Into hollow cavity for cylinder.
During vacuum heating-press sintering：Each mold cavity bottom is provided with the first cushion block 5, the first cushion block 5 and cavity bottom gap
Match somebody with somebody, the thickness of first cushion block 5 is 20mm, and metal dust 6 is located on the first cushion block 5；As is illustrated by figs. 11 and 12, Mei Gemo
There is a matching pressure head 2 used in tool die cavity, described one end of pressure head 2 is extend into mold cavity, and the other end is located at
Outside mold cavity；As shown in Figure 9 and Figure 10, the pressing plate 1 is rectangle, and multiple pressure heads 2 are connected by pressing plate 1, and pressing plate 1 is located at every
On the end of the individual exposed junction of pressure head 2.
When sintering terminates ejection products formed：As shown in Figure 7 and Figure 8, pressure head 2 is taken out, vacuum heating-press sintering mould is inverted, institute
State and release the top that part is located at vacuum heating-press sintering mould, pressing plate 1 is placed in the bottom of vacuum heating-press sintering mould, in die sleeve 4
Multiple second cushion blocks 12 are provided between pressing plate 1, second cushion block 12 is strip, and quantity is 2 or 4, and with pressing plate 1
Center line is that axial symmetry is arranged on the both sides of pressing plate 1.
As shown in Figures 4 to 6, the release part includes multiple ejector blocks 7, fixed plate 8 and backing plate 10, such as Figure 17 to figure
Shown in 20, the fixed plate 8 is rectangle, and multiple ejector blocks 7 are arranged on backing plate 10 by fixed plate 8, each mold cavity pair
Answer an ejector block 7, ejector block 7 is completely attached to and held out against with the first cushion block 5 and die cavity half module 3, and each diameter of ejector block 7 with
The top end diameter of mold cavity is identical, and when ejector block 7 is moved downward, ejector block 7 can be extend into mold cavity, by die cavity
Half module 3, the first cushion block 5 are promoted to outside mold cavity；As shown in Figure 21 to Figure 22, the shape of backing plate 10, size and fixed plate 8
Match, the thickness of backing plate 10 is 30mm, and identical with the shapes and sizes of fixed plate 8, the edge in the upper surface of backing plate 10 is equal
Screw 9 is dispersed with evenly, and fixed plate 8 is fixed together by screw 9 with backing plate 10.
A kind of vacuum heating-press sintering mold use method of cavity of the present invention, is comprised the following steps that：
The first step, 2 die cavity half modules 3, the first cushion block 5 are in turn mounted in each mold cavity, then die sleeve 4 are put into
In vacuum sintering funace, it is respectively charged into after being put into the metal dust 6 of equivalent on the first cushion block 5 of each mold cavity bottom
Pressure head 2, pressing plate 1 is placed on each pressure head 2；
Second step, closes the fire door of vacuum sintering funace, starts to vacuumize, when being extracted into specified vacuum and spending, and passes through pressure
Plate 1 is pressurizeed to pressure head 2, is pressurized to after specified pressure, and vacuum sintering funace is begun to warm up, and is heated to assigned temperature and is protected
A period of time is held, then starts slow decompression, until being decompressed to normal pressure；
3rd step, opens vacuum sintering funace, vacuum heating-press sintering mould is taken out from vacuum sintering furnace, then will pressure
First 2 are taken out, and the second cushion block 12 is placed between die sleeve 4 and pressing plate 1；
4th step, the vacuum heating-press sintering mould after the 3rd successive step is inverted and is placed on forcing press, and will release part
In the top of each ejector block 7 withstand on the first cushion block 5 and die cavity half module 3, when forcing press, which press against release part, to be moved downward,
Ejector block 7 pushes down on the first cushion block 5, die cavity half module 3 and billet 11 and moved downward, and part is released；
5th step, die cavity half module 3, the first cushion block 5 and billet 11 are taken out from die sleeve 4,2 die cavity half modules 3 are separated
Afterwards, the metal forming billet 11 of densification is obtained.
The specified vacuum degree is 1Pa, and the specified pressure is 180~200Mpa, and the assigned temperature is 550 Celsius
Degree, described a period of time is 2 hours, and the billet 11 can be molded 4 simultaneously.
Although being disclosed the embodiment of the present invention, its content only to facilitate understanding the skill of the present invention
Art scheme and use, be not intended to limit the present invention.Any those skilled in the art, it is disclosed not departing from
On the premise of core technology scheme, any modification and change can be made in the form and details of implementation, but the present invention is limited
Protection domain, the scope that must be still limited by appended claims is defined.
Claims (10)
1. a kind of vacuum heating-press sintering mould of cavity, it is characterised in that：Vacuum heating-press sintering mould includes releasing part, mould
Cover in (4) and pressing plate (1), die sleeve (4) and be machined with multiple inverted round table cavity, each inverted round table cavity is built-in to be furnished with one
Individual mold cavity, each mold cavity is assembled by 2 die cavity half modules (3)；
During vacuum heating-press sintering：Each mold cavity bottom is provided with the first cushion block (5)；Each mold cavity has one to match somebody with somebody therewith
The pressure head (2) of conjunction, multiple pressure heads (2) are connected by pressing plate (1)；
When sintering terminates ejection products formed：Pressure head (2) is taken out, vacuum heating-press sintering mould is inverted, and pressing plate (1) is placed in vacuum hotpressing
The bottom of sintering mold, is additionally provided with multiple second cushion blocks (12) between die sleeve (4) and pressing plate (1), and the release part is located at
The top of vacuum heating-press sintering mould, the release part includes multiple ejector blocks (7), fixed plate (8) and backing plate (10), multiple
Ejector block (7) is arranged on backing plate (10) by fixed plate (8), one ejector block (7) of each mold cavity correspondence, and is each pushed away
Part block (7) diameter is identical with the top end diameter of mold cavity.
2. a kind of vacuum heating-press sintering mould of cavity as claimed in claim 1, it is characterised in that：The mold cavity is
4, and arranged in rectangular array form.
3. a kind of vacuum heating-press sintering mould of cavity as claimed in claim 2, it is characterised in that：The fixed plate (8)
It is connected with backing plate (10) by screw (9), the screw (9) is evenly distributed in backing plate (10) edge.
4. a kind of vacuum heating-press sintering mould of cavity as claimed in claim 2, it is characterised in that：Second cushion block (12) is
Strip, pressing plate (1) both sides are arranged on by axial symmetry of pressing plate (1) center line.
5. a kind of vacuum heating-press sintering mould of cavity as described in Claims 1-4 is any, it is characterised in that：The mould
The draw taper α for having die cavity is 3 °.
6. a kind of vacuum heating-press sintering mould of cavity as claimed in claim 5, it is characterised in that：First cushion block
(5) thickness is 20mm.
7. a kind of vacuum heating-press sintering mould of cavity as claimed in claim 6, it is characterised in that：The backing plate (10) is thick
Spend for 30mm.
8. a kind of vacuum heating-press sintering mould of cavity as claimed in claim 7, it is characterised in that：The vacuum hotpressing is burnt
Knot mould is made of H13 heat resisting steel.
9. a kind of vacuum heating-press sintering mold use method of cavity, it is characterised in that：
Comprise the following steps that：
The first step, 2 die cavity half modules (3), the first cushion block (5) is in turn mounted in each mold cavity, then die sleeve (4) is put
To in vacuum sintering funace, the metal dust (6) that equivalent is put on the first cushion block (5) of each mold cavity bottom divides afterwards
Not Zhuan Ru pressure head (2), pressing plate (1) is placed on each pressure head (2)；
Second step, closes the fire door of vacuum sintering funace, starts to vacuumize, and when being extracted into specified vacuum and spending, passes through pressing plate (1)
Pressure head (2) is pressurizeed, is pressurized to after specified pressure, vacuum sintering funace is begun to warm up, assigned temperature is heated to and protects
A period of time is held, then starts slow decompression, until being decompressed to normal pressure；
3rd step, opens vacuum sintering funace, vacuum heating-press sintering mould is taken out from vacuum sintering furnace, then by pressure head
(2) take out, the second cushion block (12) is placed between die sleeve (4) and pressing plate (1)；
4th step, the vacuum heating-press sintering mould after the 3rd successive step is inverted and is placed on forcing press, and will be released every in part
Withstand on the first cushion block (5) and die cavity half module (3), moved downward when forcing press press against release part at the top of individual ejector block (7)
When, ejector block (7) pushes down on the first cushion block (5), die cavity half module (3) and billet (11) and moved downward, and part is released；
5th step, die cavity half module (3), the first cushion block (5) and billet (11) is taken out from die sleeve (4), by 2 die cavity half modules
(3) after separating, the metal forming billet (11) of densification is obtained.
10. a kind of vacuum heating-press sintering mold use method of cavity as claimed in claim 9, it is characterised in that：Institute
Specified vacuum degree is stated for 1Pa, the specified pressure is 180~200Mpa, the assigned temperature is 550 degrees Celsius, described one section
Time is 2 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710404173.3A CN106994513B (en) | 2017-06-01 | 2017-06-01 | A kind of the vacuum heating-press sintering mold and its application method of cavity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710404173.3A CN106994513B (en) | 2017-06-01 | 2017-06-01 | A kind of the vacuum heating-press sintering mold and its application method of cavity |
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| Publication Number | Publication Date |
|---|---|
| CN106994513A true CN106994513A (en) | 2017-08-01 |
| CN106994513B CN106994513B (en) | 2019-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710404173.3A Expired - Fee Related CN106994513B (en) | 2017-06-01 | 2017-06-01 | A kind of the vacuum heating-press sintering mold and its application method of cavity |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107791431A (en) * | 2017-10-17 | 2018-03-13 | 哈尔滨理工大学 | A kind of back mode device applied to hot pressing die |
| CN109158595A (en) * | 2018-08-16 | 2019-01-08 | 东莞华晶粉末冶金有限公司 | A kind of method of compression moulding portable mold and products thereof compression moulding |
| CN110293224A (en) * | 2019-07-18 | 2019-10-01 | 广州番禺职业技术学院 | A kind of smithcraft ornaments and preparation method thereof with mottled colour |
| CN113001720A (en) * | 2021-03-17 | 2021-06-22 | 陕西科技大学 | Hot-pressing sintering mold and using method thereof |
| CN113084161A (en) * | 2021-03-30 | 2021-07-09 | 博深股份有限公司 | Universal sintering mold for powder metallurgy brake pad and use method |
| CN114871431A (en) * | 2022-05-10 | 2022-08-09 | 哈尔滨工业大学 | High-throughput rod preparation device and application method thereof |
| CN114918413A (en) * | 2022-05-17 | 2022-08-19 | 哈尔滨工业大学 | Device, system and method for preparing block in high flux |
| CN115769849A (en) * | 2022-11-27 | 2023-03-10 | 浙江宝刚糖排设备有限公司 | Mold type sugar block forming machine and application thereof |
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| CN202984664U (en) * | 2012-12-31 | 2013-06-12 | 河南科技大学 | Sintering mold for hot-pressing and extruding |
| CN203184649U (en) * | 2013-04-26 | 2013-09-11 | 河南科技大学 | Hot pressing sintering mold |
| CN206747593U (en) * | 2017-06-01 | 2017-12-15 | 哈尔滨理工大学 | A kind of vacuum heating-press sintering mould of cavity |
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| CN202984664U (en) * | 2012-12-31 | 2013-06-12 | 河南科技大学 | Sintering mold for hot-pressing and extruding |
| CN203184649U (en) * | 2013-04-26 | 2013-09-11 | 河南科技大学 | Hot pressing sintering mold |
| CN206747593U (en) * | 2017-06-01 | 2017-12-15 | 哈尔滨理工大学 | A kind of vacuum heating-press sintering mould of cavity |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107791431A (en) * | 2017-10-17 | 2018-03-13 | 哈尔滨理工大学 | A kind of back mode device applied to hot pressing die |
| CN109158595A (en) * | 2018-08-16 | 2019-01-08 | 东莞华晶粉末冶金有限公司 | A kind of method of compression moulding portable mold and products thereof compression moulding |
| CN110293224A (en) * | 2019-07-18 | 2019-10-01 | 广州番禺职业技术学院 | A kind of smithcraft ornaments and preparation method thereof with mottled colour |
| CN110293224B (en) * | 2019-07-18 | 2021-07-27 | 广州番禺职业技术学院 | Metal craft ornament with mottled colors and manufacturing method thereof |
| CN113001720A (en) * | 2021-03-17 | 2021-06-22 | 陕西科技大学 | Hot-pressing sintering mold and using method thereof |
| CN113084161A (en) * | 2021-03-30 | 2021-07-09 | 博深股份有限公司 | Universal sintering mold for powder metallurgy brake pad and use method |
| CN114871431A (en) * | 2022-05-10 | 2022-08-09 | 哈尔滨工业大学 | High-throughput rod preparation device and application method thereof |
| CN114871431B (en) * | 2022-05-10 | 2024-03-29 | 哈尔滨工业大学 | High-flux bar preparation device and application method thereof |
| CN114918413A (en) * | 2022-05-17 | 2022-08-19 | 哈尔滨工业大学 | Device, system and method for preparing block in high flux |
| CN114918413B (en) * | 2022-05-17 | 2024-03-29 | 哈尔滨工业大学 | Device, system and method for preparing block body in high flux |
| CN115769849A (en) * | 2022-11-27 | 2023-03-10 | 浙江宝刚糖排设备有限公司 | Mold type sugar block forming machine and application thereof |
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| Publication number | Publication date |
|---|---|
| CN106994513B (en) | 2019-07-02 |
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