CN109249571B - Manufacturing mold and manufacturing method of artificial regenerated amber - Google Patents
Manufacturing mold and manufacturing method of artificial regenerated amber Download PDFInfo
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- CN109249571B CN109249571B CN201811223369.3A CN201811223369A CN109249571B CN 109249571 B CN109249571 B CN 109249571B CN 201811223369 A CN201811223369 A CN 201811223369A CN 109249571 B CN109249571 B CN 109249571B
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 79
- 125000006850 spacer group Chemical group 0.000 claims abstract description 24
- 238000003825 pressing Methods 0.000 claims description 66
- 239000000843 powder Substances 0.000 claims description 32
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 22
- 238000010438 heat treatment Methods 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 13
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 10
- 238000002844 melting Methods 0.000 claims description 6
- 230000008018 melting Effects 0.000 claims description 6
- 238000004080 punching Methods 0.000 claims description 6
- 239000001569 carbon dioxide Substances 0.000 claims description 5
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 229910000679 solder Inorganic materials 0.000 claims description 5
- 238000007731 hot pressing Methods 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 3
- 239000010985 leather Substances 0.000 claims description 3
- 238000005498 polishing Methods 0.000 claims description 3
- 238000010298 pulverizing process Methods 0.000 claims description 3
- 239000004576 sand Substances 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 239000002245 particle Substances 0.000 abstract description 3
- 238000012545 processing Methods 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 abstract description 2
- 238000002955 isolation Methods 0.000 abstract 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 6
- 229910052760 oxygen Inorganic materials 0.000 description 6
- 239000001301 oxygen Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 239000010410 layer Substances 0.000 description 4
- 239000007789 gas Substances 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- KDYFGRWQOYBRFD-UHFFFAOYSA-N succinic acid Chemical compound OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 2
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 125000001183 hydrocarbyl group Chemical group 0.000 description 1
- YOBAEOGBNPPUQV-UHFFFAOYSA-N iron;trihydrate Chemical compound O.O.O.[Fe].[Fe] YOBAEOGBNPPUQV-UHFFFAOYSA-N 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
- 239000001384 succinic acid Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/36—Moulds for making articles of definite length, i.e. discrete articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/52—Heating or cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/56—Compression moulding under special conditions, e.g. vacuum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/56—Compression moulding under special conditions, e.g. vacuum
- B29C2043/567—Compression moulding under special conditions, e.g. vacuum in a liquid, i.e. the moulded parts being embedded in liquid
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a manufacturing die for artificial regenerated amber, which comprises a die plate, an upper die core, a spacer, a lower die core and a push rod, wherein the lower die core is rotationally inserted into a lower section die cavity of the die plate to seal the bottom opening of a middle section die cavity of the die plate; the spacer is positioned in the middle section die cavity of the template and freely slides along the cavity wall of the middle section die cavity; the upper mold core is rotationally inserted into an upper section mold cavity of the template to block the top opening of a middle section mold cavity of the template; and a through hole is further formed in the upper mold core, the push rod extends into the through hole, and the end part of the push rod is in contact with the spacer. The invention provides a special die for processing and manufacturing artificial regenerated amber, which can realize batch and large-scale manufacturing of the artificial regenerated amber, simplify the manufacturing process and save the manufacturing cost; the mold disclosed by the invention has the advantages of good sealing performance, complete air isolation in the manufacturing process, good quality of manufactured artificial amber, high transparency of amber particles and bright color.
Description
Technical Field
The invention relates to the field of amber reprocessing, in particular to a manufacturing die and a manufacturing method of artificial regenerated amber.
Background
The amber is formed 4000 to 6000 ten thousand years ago, is resin of coniferae plants before history, is buried underground by geological action, and is lost in volatile components and polymerized and solidified to form amber after long geological period. Amber is hydrocarbon, contains succinic acid and amber resin, has oil luster, is transparent or semitransparent, has hardness of 2-3, and specific gravity of 1.05-1.10.
The physical nature of amber is a resin, which is softened when heated to 150 ℃ and melted when more than 300 ℃ to emit rosin smell. In recent years, with the rapid decrease of natural amber and the enlargement of jewelry market in russia, polish and other countries, the supply of precious stone-grade massive natural amber is not required, and the price of amber raw materials is increased by 50-100% every year. Meanwhile, processed chips of amber and raw materials with poor quality are not utilized and are not marketed, so that the reconstituted amber is favored by the public.
The artificial regenerated amber is produced through heating crushed amber material, pressing to form, and making various regenerated amber ornament. The crushed amber pieces are easy to heat, but the amber will have oxidation reaction with oxygen in the air at 150 ℃ to cause scorch. Three conditions, high temperature, oxygen insulation and high pressure, need to be met in the artificial regenerated amber forming process. The reconstituted amber in the current market is generally low in transparency, dim in color, nonuniform in ultraviolet fluorescence and contains more blood silk-like oxide layers in the interior, and contains flat, elongated and oriented bubbles, namely, as the reconstituted amber cannot completely isolate oxygen in the manufacturing process, partial amber chip surface layers react with the oxygen to form red oxide layers, and obvious flaws exist in the formed amber. In order to produce the high transparency and bright color artificial regenerated amber, the existing manufacturing mold and manufacturing method must be improved to meet the market demand.
Disclosure of Invention
The invention aims to: the invention aims at overcoming the defects of the prior art and providing a manufacturing die for manufacturing low-cost and high-quality artificial regenerated amber.
Another object of the present invention is to provide a method for producing artificial regenerated amber particles using the above-mentioned production mold.
The technical scheme is as follows: the invention relates to a manufacturing die of artificial regenerated amber, which comprises a die plate, an upper die core, a spacer, a lower die core and a push rod, wherein three sections of mutually communicated cylindrical cavities are formed in the die plate, an upper section die cavity, a middle section die cavity and a lower section die cavity are respectively formed from top to bottom, the diameters of the upper section die cavity and the lower section die cavity are larger than those of the middle section die cavity, and the shape of the middle section die cavity is consistent with that of the artificial regenerated amber;
the upper mold core and the lower mold core are columnar revolution bodies, the lower mold core is inserted into a lower section mold cavity of the template in a rotating manner, the bottom opening of a middle section mold cavity of the template is blocked, and the diameter of the end part of the extending end of the lower mold core is larger than that of the middle section mold cavity;
the spacer is positioned in a middle section die cavity of the template and freely slides along the cavity wall of the middle section die cavity, the shape and the diameter of the spacer are consistent with those of the middle section die cavity, and the outer ring of the spacer is in transition fit with the cavity wall of the middle section die cavity;
the upper mold core is rotationally inserted into an upper section mold cavity of the template, and the end part of the extending end of the upper mold core extends into the middle section mold cavity and forms interference fit with the cavity wall of the middle section mold cavity to seal the top opening of the middle section mold cavity of the template; and a through hole is further formed in the upper mold core, the shape of the through hole is matched with that of the push rod, the push rod stretches into the through hole, and the end part of the push rod is in contact with the spacer.
The invention further preferably adopts the technical scheme that matched internal and external threads are arranged on the cavity wall of the upper section die cavity of the die plate and the outer wall of the upper die core, matched internal and external threads are arranged on the cavity wall of the lower section die cavity of the die plate and the outer wall of the lower die core, and the upper die core and the lower die core are respectively inserted into the upper section die cavity and the lower section die cavity of the die plate through the matched internal and external threads in a rotating way.
Preferably, the opening of the middle section die cavity of the die plate, which is close to one side of the upper section die cavity, is a trumpet-shaped opening, the diameter of the end part of the extending end of the upper die core is between the maximum diameter and the minimum diameter of the trumpet-shaped opening, and when the upper die core is rotationally inserted into the upper section die cavity, the extending end of the upper die core extends into the trumpet-shaped opening.
Preferably, the end part of the lower mold core, which extends into the end, is further provided with a pressing table, the pressing table and the lower mold core are of an integrated structure, the pressing table is cylindrical, the diameter of the pressing table is larger than the caliber of an opening of the middle mold cavity, which is close to one side of the lower mold cavity, and when the lower mold core is rotationally inserted into the lower mold cavity, the pressing table is pressed and attached to the opening of the middle mold cavity, which is close to one side of the lower mold cavity, so as to seal the middle mold cavity.
Preferably, the surface of the pressing table is further provided with a wrapping layer made of flexible materials.
Preferably, the manufacturing die further comprises a pressing device, the pressing device is composed of a pressing rod and a pressing block, the pressing rod is cylindrical, the diameter of the pressing rod is consistent with the diameter of the middle section die cavity, and the pressing block is fixed at the end part of the pressing rod.
The method for manufacturing the artificial regenerated amber by using the manufacturing die comprises the following steps of:
(1) Classifying the amber crushed aggregates, classifying the homogeneous color near, and pulverizing the classified amber crushed aggregates into powder;
(2) Screwing the lower mold core into a lower section mold cavity of the mold plate, adding smashed amber powder into a middle section mold cavity from an upper section mold cavity of the mold plate, and compacting the amber powder by a compacting device; adding amber powder circularly and compacting until the amber powder fills the middle section die cavity, compacting the amber powder again by using a press, compacting the amber powder into a block, and extruding air;
(3) Placing the manufacturing mould into a sealed glove box, vacuumizing the sealed glove box, and then injecting carbon dioxide gas; placing the spacer into a middle section die cavity, screwing the upper die core into an upper end die cavity, tightening with a torque of 40N/m, and inserting a push rod until the end part of the push rod contacts the spacer, so as to complete the assembly of the manufacturing die;
(4) Heating the assembled manufacturing mould, and carrying out hot pressing on the amber piece in the inner cavity of the manufacturing mould through a push rod;
(5) After the pressing is finished, the manufacturing mould is put into hot sand, the temperature is kept and cooled, when the temperature is cooled to below 80 ℃, the manufacturing mould is taken out, the lower mould core is detached, the pressed cylindrical amber is pushed out of the cavity of the template by using a press machine, and the manufactured cylindrical amber is placed in air for cooling, so that the manufacturing of the artificial regenerated amber is completed.
Preferably, the specific steps of hot pressing in step (4) are:
a. putting the tin block into a tin melting furnace, setting the temperature of the tin melting furnace to be 200 ℃, and heating the tin block until the tin is completely melted into a liquid state;
b. after the surface of the assembled manufacturing die is coated with the solder resist, the whole solder resist is put into tin melt to be heated, the heating temperature of a tin melting furnace is regulated to 220 ℃, and the temperature is kept constant for 10 minutes;
c. taking out the manufacturing mould from the tin melt, placing the mould in a press, and pressing the amber piece in the middle section mould cavity once through a push rod, wherein the pressure is kept at 5T;
d. and (3) putting the manufacturing mould into the molten tin again, heating, raising the heating temperature to 280 ℃, taking out the manufacturing mould after the heating temperature is up to the temperature, putting the manufacturing mould into a press again, and pressing the amber block under the pressure of 8T.
Preferably, the pressing device in the step (2) consists of a pressing rod and a pressing block, wherein the pressing rod is cylindrical, the diameter of the pressing rod is consistent with the diameter of the middle section die cavity, and the pressing block is fixed at the end part of the pressing rod; after crushed amber powder is added into the middle section die cavity of the template, the compression bar stretches into the middle section die cavity, the knocking tool is used for knocking the pressing block, the amber powder is compacted, and then the compression bar is taken out to continuously add the amber powder.
The manufacturing method of the artificial regenerated amber hand string comprises the following steps:
(1) Pressing the required cylindrical artificial regenerated amber one by using the manufacturing method of claim 7;
(2) Punching holes in the cylindrical amber center, and removing scraps in the punching process;
(3) Polishing the cylindrical amber;
(4) And (5) connecting a plurality of cylindrical amber strings in series by using a leather rope, and completing the manufacture of the artificial regenerated amber bracelet.
The beneficial effects are that: (1) The invention provides a special die for processing and manufacturing artificial regenerated amber, which can realize batch and large-scale manufacturing of the artificial regenerated amber, simplify the manufacturing process and save the manufacturing cost; the mold disclosed by the invention has good sealing performance, the artificial amber is completely isolated from air in the manufacturing process, high temperature, high pressure and oxygen insulation are realized, the manufactured artificial amber has good quality, the transparency of amber particles is high, and the color is bright;
(2) The manufacturing method of the artificial amber adopts various means to ensure that the artificial regenerated amber cannot be contacted with oxygen in the air in the forming process so as to generate oxidation reaction, firstly, after the middle section die cavity of the template is filled with amber powder, the amber powder is compacted by a press, the amber powder is pressed into a block agent, and the air between the amber powder is extruded and discharged; then, the process of manufacturing the die assembly is completed in a sealed glove box, the sealed glove box is vacuumized firstly, then carbon dioxide gas is injected, after the upper die core is screwed into the upper die cavity, the cavity of the die plate is filled with carbon dioxide, and the tube thread structure has certain tightness and isolates air; finally, when the artificial regenerated amber is hot pressed, the amber is integrally put into tin solution along with the die to be heated, and the die is in an anaerobic process in the heating process.
Drawings
FIG. 1 is a schematic diagram of a mold according to the present invention;
FIG. 2 is a combined view of the present invention after the assembly of the manufacturing mold;
FIG. 3 is a schematic view of a template according to the present invention;
FIG. 4 is a schematic view of the structure of the upper mold core according to the present invention;
FIG. 5 is a schematic view of the lower mold core according to the present invention;
FIG. 6 is a schematic structural view of a pressing device according to the present invention;
fig. 7 is a schematic structural diagram of an artificial regenerated amber hand string according to the present invention.
Detailed Description
The technical scheme of the invention is described in detail below through the drawings, but the protection scope of the invention is not limited to the embodiments.
Examples: a manufacturing mould of artificial regenerated amber comprises a template 1, an upper mould core 2, a spacer 4, a lower mould core 3, a push rod 5 and a material pressing device 6.
Three sections of mutually communicated cylindrical cavities are formed in the template 1, namely an upper section die cavity 11, a middle section die cavity 12 and a lower section die cavity 13 from top to bottom, wherein the diameters of the upper section die cavity 11 and the lower section die cavity 13 are larger than those of the middle section die cavity 12, the shape of the middle section die cavity 12 is consistent with that of artificial regenerated amber, and an opening on one side, close to the upper section die cavity 11, of the middle section die cavity 12 of the template is a horn-shaped opening;
the upper mold core 2 and the lower mold core 3 are columnar revolution bodies, the lower mold core 3 is rotationally inserted into a lower section mold cavity 13 of the mold plate through internal and external threads matched with the lower section mold cavity, and the bottom opening of a middle section mold cavity 12 of the mold plate is plugged; the end of the lower mold core 3, which extends into the lower mold core, is further provided with a pressing table 31, the pressing table 31 and the lower mold core are of an integrated structure, the pressing table 31 is cylindrical, the surface of the pressing table 31 is further provided with a wrapping layer made of flexible materials, the diameter of the pressing table 31 is larger than the caliber of an opening of the middle-section mold cavity 12, which is close to one side of the lower-section mold cavity 13, and when the lower mold core 3 is rotationally inserted into the lower-section mold cavity 13, the pressing table 31 closes the middle-section mold cavity 12.
The spacer 4 is positioned in the middle section die cavity 12 of the template, and freely slides along the cavity wall of the middle section die cavity, the shape and the diameter of the spacer 4 are consistent with those of the middle section die cavity 12, and the outer ring of the spacer 4 is in transition fit with the cavity wall of the middle section die cavity 12.
The upper mold core 2 is rotationally inserted into the upper mold cavity 11 of the mold plate through internal and external threads matched with the upper mold cavity, the end part of the extending end 21 of the upper mold core 2 extends into a horn-shaped opening of the middle mold cavity 12, the diameter of the end part of the extending end 21 of the upper mold core 2 is between the maximum diameter and the minimum diameter of the horn-shaped opening, and the diameter of the end part of the extending end 21 and the cavity wall of the middle mold cavity 12 form interference fit to seal the top opening of the middle mold cavity 12 of the mold plate; the upper mold core 2 is also provided with a through hole, the shape of the through hole is matched with that of the push rod 5, the push rod 5 stretches into the through hole, and the end part of the push rod 5 is contacted with the spacer 4.
The pressing device 6 is composed of a pressing rod 61 and a pressing block 62, the pressing rod 61 is cylindrical, the diameter of the pressing rod 61 is consistent with that of the middle section die cavity 12, and the pressing block 62 is fixed at the end part of the pressing rod 61.
The method for manufacturing the artificial regenerated amber by using the manufacturing die comprises the following steps:
(1) Classifying the amber crushed aggregates, classifying the homogeneous color near, and pulverizing the classified amber crushed aggregates into powder;
(2) Screwing the lower mold core into a lower section mold cavity of the mold plate, adding smashed amber powder into a middle section mold cavity from an upper section mold cavity of the mold plate, extending a compression bar of a material pressing device into the middle section mold cavity, knocking a pressing block by using a knocking tool, and compacting the amber powder; adding amber powder circularly and compacting until the amber powder fills the middle section die cavity, compacting the amber powder again by using a press, compacting the amber powder into a block, and extruding air;
(3) Placing the manufacturing mould into a sealed glove box, vacuumizing the sealed glove box, and then injecting carbon dioxide gas; placing the spacer into a middle section die cavity, screwing the upper die core into an upper end die cavity, tightening with a torque of 40N/m, and inserting a push rod until the end part of the push rod contacts the spacer, so as to complete the assembly of the manufacturing die;
(4) After the surface of the assembled manufacturing mold is coated with the solder resist, the whole is put into tin melt to be heated, the heating temperature is 220 ℃, and the temperature is kept constant for 10 minutes; taking out the manufacturing mould from the tin melt, placing the mould in a press, and pressing the amber piece in the middle section mould cavity once through a push rod, wherein the pressure is kept at 5T; heating the manufacturing mould in molten tin again, raising the heating temperature to 280 ℃, taking out the manufacturing mould after reaching the temperature, putting the manufacturing mould in a press again, and pressing the amber block under the pressure of 8T;
(5) After the pressing is finished, the manufacturing mould is put into hot sand, the temperature is kept and cooled, when the temperature is cooled to below 80 ℃, the manufacturing mould is taken out, the lower mould core is detached, the pressed cylindrical amber is pushed out of the cavity of the template by using a press machine, and the manufactured cylindrical amber is placed in air for cooling, so that the manufacturing of the artificial regenerated amber is completed.
The pressing device in the step (2) consists of a pressing rod and a pressing block, wherein the pressing rod is cylindrical, the diameter of the pressing rod is consistent with the diameter of the middle section die cavity, and the pressing block is fixed at the end part of the pressing rod; adding crushed amber powder into the middle section of the mold cavity.
A manufacturing method of an artificial regenerated amber hand string comprises the following steps:
(1) The required cylindrical artificial regenerated amber is pressed one by the manufacturing method;
(2) Punching holes in the cylindrical amber center, and removing scraps in the punching process;
(3) Polishing the cylindrical amber;
(4) And (5) connecting a plurality of cylindrical amber strings in series by using a leather rope, and completing the manufacture of the artificial regenerated amber bracelet.
As described above, although the present invention has been shown and described with reference to certain preferred embodiments, it is not to be construed as limiting the invention itself. Various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (4)
1. The method for manufacturing the artificial regenerated amber by using the manufacturing mold comprises a template, an upper mold core, a spacer, a lower mold core and a push rod, wherein three sections of cylindrical cavities which are communicated with each other are formed in the template, an upper section of mold cavity, a middle section of mold cavity and a lower section of mold cavity are respectively formed from top to bottom, the diameters of the upper section of mold cavity and the lower section of mold cavity are larger than those of the middle section of mold cavity, and the shape of the middle section of mold cavity is consistent with that of the artificial regenerated amber;
the upper mold core and the lower mold core are columnar revolution bodies, the lower mold core is inserted into a lower section mold cavity of the template in a rotating manner, the bottom opening of a middle section mold cavity of the template is blocked, and the diameter of the end part of the extending end of the lower mold core is larger than that of the middle section mold cavity;
the spacer is positioned in a middle section die cavity of the template and freely slides along the cavity wall of the middle section die cavity, the shape and the diameter of the spacer are consistent with those of the middle section die cavity, and the outer ring of the spacer is in transition fit with the cavity wall of the middle section die cavity;
the upper mold core is rotationally inserted into an upper section mold cavity of the template, and the end part of the extending end of the upper mold core extends into the middle section mold cavity and forms interference fit with the cavity wall of the middle section mold cavity to seal the top opening of the middle section mold cavity of the template; a through hole is further formed in the upper mold core, the shape of the through hole is matched with that of the push rod, the push rod stretches into the through hole, and the end part of the push rod is in contact with the spacer;
the method is characterized by comprising the following steps of:
(1) Classifying the amber crushed aggregates, classifying the homogeneous color near, and pulverizing the classified amber crushed aggregates into powder;
(2) Screwing the lower mold core into a lower section mold cavity of the mold plate, adding smashed amber powder into a middle section mold cavity from an upper section mold cavity of the mold plate, and compacting the amber powder by a compacting device; adding amber powder circularly and compacting until the amber powder fills the middle section die cavity, compacting the amber powder again by using a press, compacting the amber powder into a block, and extruding air;
(3) Placing the manufacturing mould into a sealed glove box, vacuumizing the sealed glove box, and then injecting carbon dioxide gas; placing the spacer into a middle section die cavity, screwing the upper die core into an upper end die cavity, tightening with a torque of 40N/m, and inserting a push rod until the end part of the push rod contacts the spacer, so as to complete the assembly of the manufacturing die;
(4) Heating the assembled manufacturing mould, and carrying out hot pressing on the amber piece in the inner cavity of the manufacturing mould through a push rod;
(5) After the pressing is finished, the manufacturing mould is placed into hot sand, the temperature is kept and cooled, when the temperature is cooled to below 80 ℃, the manufacturing mould is taken out, the mould core is detached, the pressed cylindrical amber is pushed out of the cavity of the template by using a press machine, and the manufactured cylindrical amber is placed into air for cooling, so that the manufacturing of the artificial regenerated amber is completed.
2. The method according to claim 1, wherein the specific steps of hot pressing in step (4) are:
a. putting the tin block into a tin melting furnace, setting the temperature of the tin melting furnace to be 200 ℃, and heating the tin block until the tin is completely melted into a liquid state;
b. after the surface of the assembled manufacturing die is coated with the solder resist, the whole solder resist is put into tin melt to be heated, the heating temperature of a tin melting furnace is regulated to 220 ℃, and the temperature is kept constant for 10 minutes;
c. taking out the manufacturing mould from the tin melt, placing the mould in a press, and pressing the amber piece in the middle section mould cavity once through a push rod, wherein the pressure is kept at 5T;
d. and (3) putting the manufacturing mould into the molten tin again, heating, raising the heating temperature to 280 ℃, taking out the manufacturing mould after the heating temperature is up to the temperature, putting the manufacturing mould into a press again, and pressing the amber block under the pressure of 8T.
3. The method according to claim 1, wherein the pressing device in the step (2) is composed of a pressing rod and a pressing block, the pressing rod is cylindrical, the diameter of the pressing rod is consistent with the diameter of the middle section die cavity, and the pressing block is fixed at the end part of the pressing rod; after crushed amber powder is added into the middle section die cavity of the template, the compression bar stretches into the middle section die cavity, the knocking tool is used for knocking the pressing block, the amber powder is compacted, and then the compression bar is taken out to continuously add the amber powder.
4. The manufacturing method of the artificial regenerated amber hand string is characterized by comprising the following steps of:
(1) Pressing the required cylindrical artificial regenerated amber one by using the manufacturing method of claim 1;
(2) Punching holes in the cylindrical amber center, and removing scraps in the punching process;
(3) Polishing the cylindrical amber;
(4) And (5) connecting a plurality of cylindrical amber strings in series by using a leather rope, and completing the manufacture of the artificial regenerated amber bracelet.
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| CN209440663U (en) * | 2018-10-19 | 2019-09-27 | 钟山职业技术学院 | A kind of mold of hot pressing amber powder |
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| CN2038838U (en) * | 1988-09-07 | 1989-06-07 | 商春荣 | Combined amber heat shaping die |
| CN2058376U (en) * | 1989-05-15 | 1990-06-20 | 马占洲 | Liquid metal bath type melting device for synthesizing amber |
| JPH0410913A (en) * | 1990-04-27 | 1992-01-16 | Kuji Kohaku Kk | Method and device for manufacturing regenerated amber |
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