CN111805850A - Full-automatic wax mould that presses - Google Patents
Full-automatic wax mould that presses Download PDFInfo
- Publication number
- CN111805850A CN111805850A CN202010798827.7A CN202010798827A CN111805850A CN 111805850 A CN111805850 A CN 111805850A CN 202010798827 A CN202010798827 A CN 202010798827A CN 111805850 A CN111805850 A CN 111805850A
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- Prior art keywords
- wax
- plate
- mold
- assembly
- full
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Classifications
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- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/2602—Mould construction elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C7/00—Patterns; Manufacture thereof so far as not provided for in other classes
- B22C7/02—Lost patterns
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- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/2602—Mould construction elements
- B29C45/2606—Guiding or centering means
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/40—Removing or ejecting moulded articles
- B29C45/4005—Ejector constructions; Ejector operating mechanisms
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- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/40—Removing or ejecting moulded articles
- B29C45/4005—Ejector constructions; Ejector operating mechanisms
- B29C45/401—Ejector pin constructions or mountings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2091/00—Use of waxes as moulding material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/757—Moulds, cores, dies
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a full-automatic wax pressing mold which is arranged on a wax pressing machine, wherein the wax pressing machine comprises a workbench and a mold closing plate, and the wax pressing mold comprises a lower mold component, a middle mold component and an upper mold component which are sequentially arranged along the vertical direction; the lower die assembly comprises a lower die plate, and the surface of the lower die plate is provided with a wax injection channel; the middle die assembly comprises a middle die plate and a first lifting driving assembly for driving the middle die plate to lift, a plurality of forming grooves are formed in the middle die plate, and the forming grooves are correspondingly communicated with the wax injection channel; the upper die assembly comprises an upper die plate, and the lower surface of the upper die plate corresponds to the upper part of the forming groove; the wax injection device also comprises a product wax piece ejection assembly for ejecting the product wax piece and a wax injection channel wax piece ejection assembly for ejecting the wax injection channel wax piece; the technical scheme of the invention improves the production efficiency of the wax mould and reduces the production cost.
Description
Technical Field
The invention relates to the technical field of investment casting, in particular to a full-automatic wax pressing mold.
Background
In the field of investment casting, wax pattern products are usually produced by wax pressing molds, the wax pieces are blown out by an air gun through the traditional wax pressing molds by adopting manual opening and closing molds, only one mold and two molds are manually adopted, only 600 wax patterns can be produced in each shift, the molds are steel molds, the weight is large, the labor intensity of workers is high, sixteen days are needed for wax pressing of orders which are more than ten thousand in batches, and the requirement of delivery time cannot be met seriously.
Accordingly, the prior art is deficient and needs improvement.
Disclosure of Invention
The invention mainly aims to provide a full-automatic wax mould, aiming at improving the production efficiency of the wax mould and reducing the production cost.
In order to achieve the purpose, the full-automatic wax pressing mold provided by the invention is arranged on a wax pressing machine, the wax pressing machine comprises a workbench and a combined template, and the wax pressing mold comprises a lower mold component, a middle mold component and an upper mold component which are sequentially arranged along the vertical direction;
the lower die assembly is arranged on the workbench and comprises a lower die plate, and the surface of the lower die plate is provided with a wax injection channel communicated with the outside;
the middle die assembly comprises a middle die plate and a first lifting driving assembly for driving the middle die plate to lift, a plurality of forming grooves for extruding wax pieces of products are formed in the middle die plate, and the forming grooves are correspondingly communicated with the wax injection channel;
the upper die assembly is connected with the die closing plate and comprises an upper die plate, and the lower surface of the upper die plate corresponds to the upper part of the forming groove;
the wax injection device also comprises a product wax piece ejection assembly for ejecting the product wax piece and a wax injection channel wax piece ejection assembly for ejecting the wax injection channel wax piece;
the product wax piece ejection assembly comprises a plurality of ejection rods, the ejection rods penetrate through the lower template and correspond to the bottoms of the forming grooves respectively, and the ejection rods are connected with an ejection die rod of the wax pressing machine;
the wax injection channel wax piece ejection assembly comprises a plurality of ejector pins, the ejector pins penetrate through the lower template to correspond to the bottom of the wax injection channel on the surface of the lower template, and the ejector pins are connected with the driving end of the second lifting driving assembly.
Preferably, the lower die assembly is mounted on the workbench through a base, and a via hole for penetrating through the die ejecting rod is formed in the base.
Preferably, the lower die assembly is further provided with four guide columns which are arranged in a matrix shape, and the guide columns are respectively arranged in the middle die plate and the upper die plate in a penetrating mode.
Preferably, the first lifting driving assembly is provided with a plurality of first driving cylinders, and the driving ends of the first driving cylinders are connected with the middle template.
Preferably, the upper part of the upper template is connected with the mold closing plate through a fixing plate, and the mold closing plate is connected with a hydraulic driving system of the wax pressing machine.
Preferably, the inner parts of the middle template and the upper template are respectively provided with a cooling liquid channel, and the lateral surfaces of the middle template and the upper template are respectively provided with a cooling liquid inlet and a cooling liquid outlet.
Preferably, a top die ejector plate is connected below the ejector rod, the top die rod penetrates through the through hole to be connected with the top die ejector plate, and the top die rod is connected with a hydraulic driving system of the wax pressing machine.
Preferably, the second lift drive assembly sets up to a plurality of seconds and drives actuating cylinder, be equipped with on the lower module and be used for the installation the second drives the mounting panel that actuating cylinder, the second drives actuating cylinder's drive end and passes a thimble liftout plate is connected to the mounting panel, thimble liftout plate activity is worn to locate on the knockout rod, just the thimble install in on the thimble liftout plate.
Preferably, the lifting device further comprises a handle control valve connected with the first lifting driving assembly and the second lifting driving assembly respectively.
Compared with the prior art, the invention has the beneficial effects that: the full-automatic production of the wax pressing die is realized, the productivity is 10 times that of the traditional manual production, the operation intensity of workers is greatly reduced, the product quality is good, wax parts do not need to be repaired, and the production cost is greatly reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of a wax-pressing mold according to the present invention;
FIG. 2 is a schematic view of the lower die assembly of the present invention;
FIG. 3 is a schematic view of a wax ejection structure of the product of the present invention;
FIG. 4 is a schematic view of a wax ejecting structure of the wax ejecting channel of the present invention;
FIG. 5 is a schematic view of the structure of the junction between the wax injection passage and the molding groove;
the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
Referring to fig. 1 to 4, the full-automatic wax pressing mold provided in this embodiment is installed on a wax pressing machine (not shown in the drawings), the wax pressing machine includes a workbench and a mold closing plate, and the wax pressing mold includes a lower mold assembly, a middle mold assembly and an upper mold assembly, which are sequentially arranged along a vertical direction;
the lower die assembly is arranged on the workbench and comprises a lower die plate 11, and a wax injection channel 12 communicated with the outside is formed in the surface of the lower die plate 11;
the middle mold assembly comprises a middle mold plate 21 and a first lifting driving assembly 22 for driving the middle mold plate 21 to lift, a plurality of molding grooves 23 for extruding wax pieces of products are formed in the middle mold plate 21, and the molding grooves 23 are correspondingly communicated with the wax injection channel 12;
the upper die assembly is connected with the die closing plate and comprises an upper die plate 31, and the lower surface of the upper die plate 31 corresponds to the upper part of the forming groove 23;
the wax injection device also comprises a product wax piece ejection assembly for ejecting the product wax piece and a wax injection channel wax piece ejection assembly for ejecting the wax injection channel wax piece;
the product wax piece ejection assembly comprises a plurality of ejection rods 41, the ejection rods 41 penetrate through the lower template 11 and correspond to the bottoms of the forming grooves 23 respectively, and the ejection rods 41 are connected with an ejection die rod of the wax pressing machine;
the wax injection channel wax piece ejection assembly comprises a plurality of ejector pins 51, the ejector pins 51 penetrate through the lower template 11 to correspond to the bottoms of the wax injection channels 12 on the surface of the lower template, and the ejector pins 51 are connected with the driving end of a second lifting driving assembly 52.
Further, the lower die assembly is mounted on the workbench through a base 13, and a through hole 14 for passing through the ejector rod is formed in the base 13.
Further, the lower die assembly is further provided with four guide posts 15 which are arranged in a matrix shape, the guide posts 15 penetrate through the middle die plate 21 and the upper die plate 31 respectively, the middle die plate 21 and the upper die plate 31 can lift along the guide posts 15, the stability of the lifting process is guaranteed, and the coaxiality of the upper die plate 31, the middle die plate 21 and the lower die plate 11 is guaranteed.
Further, the first lifting driving assembly 22 is provided with a plurality of first driving cylinders, and driving ends of the plurality of first driving cylinders are connected with the middle template 21. In this embodiment, the first driving cylinders are set to two, and the two first driving cylinders are disposed at two diagonal ends of the middle template 21, so as to ensure the uniformity of the stress of the middle template 21 and improve the lifting stability thereof.
Furthermore, the upper part of the upper die plate 31 is connected with the die clamping plate through a fixing plate 32, and the die clamping plate is connected with a hydraulic driving system of the wax pressing machine.
Furthermore, cooling liquid channels are respectively arranged inside the middle template 21 and the upper template 31, and a cooling liquid inlet 33 and a cooling liquid outlet 34 are respectively arranged on the side surfaces of the middle template 21 and the upper template 31.
Further, a top die ejector plate 42 is connected below the ejector rod 41, the top die rod penetrates through the through hole 14 to be connected with the top die ejector plate 42, and the top die rod is connected with a hydraulic driving system of the wax pressing machine.
Further, the second lifting driving assembly 52 is provided with a plurality of second driving cylinders, the lower die assembly is provided with a mounting plate 53 for mounting the second driving cylinders, the driving end of the second driving cylinder penetrates through the mounting plate 53 and is connected with a thimble ejecting plate 54, the thimble ejecting plate 54 is movably arranged on the ejector rod 41 in a penetrating manner, and the thimble 51 is arranged on the thimble ejecting plate 54. In this embodiment, the number of the second driving cylinders is set to two, so that the stress stability of the ejector pin ejecting plate 54 is ensured, the stability of the lifting process of the ejector pin 51 is ensured, and the wax injection channel wax piece is conveniently ejected quickly and accurately.
Specifically, during installation, the wax-pressing mold is conveyed to a workbench of a wax-pressing machine, so that the via hole 14 on the base 13 corresponds to the ejector pin, then the base 13 is fixed on the workbench through a locking screw, the ejector pin is connected with the ejector plate 42, the ejector pin is driven to lift by a hydraulic system of the wax-pressing machine, and therefore the ejector plate 42 and the ejector pin 41 are sequentially driven to lift, and the wax part is ejected. The upper die plate 31 is connected to a film pressing plate of a wax pressing machine through a fixing plate 32, and the film pressing plate is driven to ascend and descend through a hydraulic system of the wax pressing machine, so that the fixing plate 32 and the upper die plate 31 are driven to ascend and descend in sequence, and die opening and die closing between the upper die plate 31 and the middle die plate 21 are achieved. The upper template 31 and the middle template 21 are connected with a cooling liquid inlet 33 and a cooling liquid outlet 34 of the wax pressing machine, so that the mould is always kept in a cooling state, and the working temperature of the mould is reduced.
Before wax injection, respectively spraying release agents between an upper template 31 and a middle template 21 and between the middle template 21 and a lower template 11, then driving the middle template 21 to tightly press the lower template 11 by a first lifting driving assembly 22, driving the upper template 31 to descend by a fixed plate 32 to tightly press the middle template 21, so that the upper template 31, the middle template 21 and the lower template 11 are tightly pressed together to complete mold closing, then performing wax injection, filling the molding groove 23 with wax through a wax injection channel 12, and performing mold opening after pressure maintaining for three seconds; the fixed plate 32 drives the upper template 31 to ascend, the upper template 31 is separated from the middle template 21, the ejector rod drives the ejector plate 42 and the ejector rod 41 to ascend, the wax piece of the product is ejected out of the forming groove 23, then the wax piece of the product is manually taken out, and the ejector rod returns to the initial position; the first lifting driving assembly 22 drives the middle template 21 to rise, the middle template 21 is separated from the lower template 11, the second lifting driving assembly 52 sequentially drives the ejector pin ejecting plate 54 and the ejector pin 51 to rise, the wax injection channel wax piece in the wax injection channel 12 is ejected, the ejector pin 51 is driven to return to the initial position after the wax injection channel wax piece is manually taken out, the production of the wax piece is completed, the middle template 21 is sequentially pressed with the lower template 11, the upper template 31 is pressed with the middle template 21, the initial position is returned, and a cycle period is completed. The process is repeated, and the automatic production of the wax product can be realized. Meanwhile, in the embodiment, referring to fig. 5, the connecting position of the molding groove 23 and the wax injection channel 12 is a half of a circle, which not only ensures the molding of the wax piece of the product, but also enables the wax piece and the inner gate to be broken when the mold ejector rod of the wax press ejects the wax piece of the product.
The release agent is sprayed after 4 to 6 cycles. Further, a handle control valve 6 is also included, which is connected to the first elevation driving assembly 22 and the second elevation driving assembly 52, respectively. The worker may manually control the raising and lowering of the middle mold plate 21 and the ejector pins 51 by manually controlling the extension and retraction of the driving ends of the first elevation driving assembly 22 and the second elevation driving assembly 52.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (9)
1. A full-automatic wax pressing mold is mounted on a wax pressing machine, the wax pressing machine comprises a workbench and a mold closing plate, and the full-automatic wax pressing mold is characterized by comprising a lower mold component, a middle mold component and an upper mold component which are sequentially arranged along the vertical direction;
the lower die assembly is arranged on the workbench and comprises a lower die plate, and the surface of the lower die plate is provided with a wax injection channel communicated with the outside;
the middle die assembly comprises a middle die plate and a first lifting driving assembly for driving the middle die plate to lift, a plurality of forming grooves for extruding wax pieces of products are formed in the middle die plate, and the forming grooves are correspondingly communicated with the wax injection channel;
the upper die assembly is connected with the die closing plate and comprises an upper die plate, and the lower surface of the upper die plate corresponds to the upper part of the forming groove;
the wax injection device also comprises a product wax piece ejection assembly for ejecting the product wax piece and a wax injection channel wax piece ejection assembly for ejecting the wax injection channel wax piece;
the product wax piece ejection assembly comprises a plurality of ejection rods, the ejection rods penetrate through the lower template and correspond to the bottoms of the forming grooves respectively, and the ejection rods are connected with an ejection die rod of the wax pressing machine;
the wax injection channel wax piece ejection assembly comprises a plurality of ejector pins, the ejector pins penetrate through the lower template to correspond to the bottom of the wax injection channel on the surface of the lower template, and the ejector pins are connected with the driving end of the second lifting driving assembly.
2. The full-automatic wax injection mold according to claim 1, wherein the lower mold assembly is mounted on the table through a base, and the base is provided with a through hole for passing through the top mold rod.
3. The full-automatic wax injection mold according to claim 2, wherein the lower mold assembly further comprises four guide posts arranged in a matrix shape, and the guide posts are respectively inserted into the middle mold plate and the upper mold plate.
4. The full-automatic wax pressing mold according to claim 1, wherein the first lifting driving assembly is provided with a plurality of first driving cylinders, and driving ends of the plurality of first driving cylinders are connected with the middle template.
5. The full-automatic wax injection mold according to claim 1, wherein the upper mold plate is connected to the clamping plate through a fixing plate, and the clamping plate is connected to a hydraulic drive system of the wax injection machine.
6. The fully automatic wax-pressing mold according to claim 1, wherein the middle mold plate and the upper mold plate are respectively provided with a cooling liquid channel inside, and the sides of the middle mold plate and the upper mold plate are respectively provided with a cooling liquid inlet and a cooling liquid outlet.
7. The full-automatic wax-pressing mold according to claim 2, wherein a top mold ejection plate is connected below the ejection rod, the top mold rod passes through the through hole to be connected with the top mold ejection plate, and the top mold rod is connected with a hydraulic driving system of the wax-pressing machine.
8. The full-automatic wax pressing mold according to claim 1, wherein the second lifting driving assembly is provided with a plurality of second driving cylinders, a mounting plate for mounting the second driving cylinders is arranged on the lower mold assembly, the driving end of the second driving cylinders passes through the mounting plate and is connected with a thimble ejecting plate, the thimble ejecting plate is movably arranged on the ejector rod in a penetrating manner, and the thimbles are mounted on the thimble ejecting plate.
9. The full-automatic wax pressing mold according to any one of claims 1 to 8, further comprising handle control valves respectively connected to the first lifting driving assembly and the second lifting driving assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010798827.7A CN111805850A (en) | 2020-08-10 | 2020-08-10 | Full-automatic wax mould that presses |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010798827.7A CN111805850A (en) | 2020-08-10 | 2020-08-10 | Full-automatic wax mould that presses |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111805850A true CN111805850A (en) | 2020-10-23 |
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ID=72863813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010798827.7A Pending CN111805850A (en) | 2020-08-10 | 2020-08-10 | Full-automatic wax mould that presses |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111805850A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117862408A (en) * | 2023-11-29 | 2024-04-12 | 东台嘉杰精密机械有限公司 | A get a complementary unit for duplex position wax injection machine |
-
2020
- 2020-08-10 CN CN202010798827.7A patent/CN111805850A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117862408A (en) * | 2023-11-29 | 2024-04-12 | 东台嘉杰精密机械有限公司 | A get a complementary unit for duplex position wax injection machine |
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