CN206824611U - A kind of hot investment casting pressure wax apparatus - Google Patents
A kind of hot investment casting pressure wax apparatus Download PDFInfo
- Publication number
- CN206824611U CN206824611U CN201720674423.0U CN201720674423U CN206824611U CN 206824611 U CN206824611 U CN 206824611U CN 201720674423 U CN201720674423 U CN 201720674423U CN 206824611 U CN206824611 U CN 206824611U
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- China
- Prior art keywords
- upper die
- cylinder
- grafting
- investment casting
- hot investment
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a kind of hot investment casting pressure wax apparatus, wax injector structure including support body and on the workbench of support body, the wax injector structure includes base, some guide rods, installing plate, first cylinder, slide plate, upper die body, lower mold body, vacuum device and sprue gate, the base is fixedly mounted on the workbench of support body, guide rod is equipped with four angles of the base, the upper end of the guide rod is provided with installing plate, the upper end of the installing plate is provided with the first cylinder, slidable slide plate is arranged with the guide rod, the lower end of the piston rod of first cylinder is fixedly connected through installing plate and with the upper end of slide plate, the lower end of the slide plate is provided with upper die body, compared with prior art, surface accuracy can be improved, the reduction later stage repaiies the workload of wax-pattern.
Description
【Technical field】
The technical field of hot investment casting is the utility model is related to, particularly a kind of hot investment casting is led with the technology of pressure wax apparatus
Domain.
【Background technology】
Model casting is also known as " lost-wax casting ".Model casting typically refers to that apperance is made in fusible material, on apperance surface
If shell is made in cladding dried layer refractory material, then apperance is melted into discharge shell, so as to obtain the casting mold of no die joint, through high temperature
After roasting can back-up sand cast founding method.Manufactured due to the widely used wax material of apperance, therefore often claim model casting
For " lost-wax casting ".
In cavity filling process, the gas in mold cavity need to overflow wax material at mould hole, and otherwise wax-pattern will be because of note
Liquid is insufficient and causes to scrap.Therefore mould need to set up some exhaust apparatus, ensure to obtain the intact wax-pattern of profile.Precision is high, close
Gas of the good mould of envelope property in cavity filling process is difficult to overflow, generally the place in Making mold for easily feeling suffocated
Steam vent need to be increased.Although this method can effectively solve the problems, such as that wax-pattern fills type, the surface accuracy of mould can be influenceed, is increased
Later stage repaiies the workload of wax-pattern.
【Utility model content】
The purpose of this utility model is exactly to solve the problems of the prior art, proposes a kind of hot investment casting pressure wax apparatus,
Surface accuracy can be improved, the reduction later stage repaiies the workload of wax-pattern.
To achieve the above object, the utility model proposes a kind of hot investment casting pressure wax apparatus, including support body and installation
Wax injector structure on the workbench of support body, the wax injector structure include base, some guide rods, installing plate, the first cylinder, cunning
Plate, upper die body, lower mold body, vacuum device and sprue gate, the base are fixedly mounted on the workbench of support body, the base
Four angles on be equipped with guide rod, the upper end of the guide rod is provided with installing plate, and the upper end of the installing plate is provided with the first cylinder,
It is arranged with slidable slide plate on the guide rod, the lower end of the piston rod of first cylinder is through installing plate and upper with slide plate
End is fixedly connected, and the lower end of the slide plate is provided with upper die body, and the rear end of the upper die body is connected with vacuum device, the base
Upper end be provided with the lower mold body that is engaged with upper die body, be respectively equipped with upper half circle on the closing face of the upper die body and lower mold body
Groove and lower semi-circular groove, upper half circular groove and lower semi-circular fit depressions form sprue gate, the vacuum device
Including vavuum pump, mounting bracket, the second cylinder, the first grafting body, first exhaust passage, some second exhaust passages and the second grafting
Body, the rear end of the upper die body are provided with mounting bracket, and the back body of the mounting bracket is provided with the second cylinder, second cylinder
The front end of piston rod is provided with the first grafting body, and first exhaust passage, the first exhaust passage are provided with the first grafting body
Output end connected with vavuum pump, the front end of the first grafting body is provided with plug division, and the front end of the plug division is provided with second
Grafting body and circumferentially shape are distributed and surround the second exhaust passage of the second grafting body, the second exhaust passage and first exhaust
Passage connects, and the rear end of the upper die body is provided with the rear passage being engaged with plug division, it is described after the front end of passage be provided with and the
The prepass of two grafting mates, the front end of the prepass connect with the inner chamber of upper die body.
Preferably, sealed between the hole wall of the side face of the plug division and rear passage by sealing ring, the plug division
It is provided with the ring-type pockets being engaged with sealing ring.
Preferably, the top body of the mounting bracket and the front end of following body are formed with fixed seat, the fixation
Seat is fixedly connected by fastening bolt with upper die body.
Preferably, when the piston rod of second cylinder is fully extended, the front end of the second grafting body and upper die body it is interior
Wall is concordant, and when the piston rod of second cylinder is fully retracted, the distance between the second grafting body and prepass are 1~5 millimeter.
Preferably, the front end at the sprue gate is formed with the tapered portion being engaged with the pipette tips that casting is robbed.
Preferably, the diameter of the second grafting body is equal with the diameter of prepass.
Preferably, the first grafting body is square grafting body, the rear end of the first grafting body is provided through pacifying
The locating rod for the back body shelved.
The beneficial effects of the utility model：The utility model is taken out by the way that the rear end of upper die body is connected with into vacuum device
Vacuum mechanism is designed to avoid wax material to enter in the air outlet slit of traditional moulds, compared with prior art, it is possible to increase table
Face precision, reduction later stage repair the workload of wax-pattern.
Feature and advantage of the present utility model will be described in detail by embodiment combination accompanying drawing.
【Brief description of the drawings】
Fig. 1 is a kind of structural representation of hot investment casting pressure wax apparatus of the utility model；
Fig. 2 is the enlarged drawing of A in Fig. 1.
In figure：1- support bodys, 2- wax injectors structure, 21- bases, 22- guide rods, 23- installing plates, the cylinders of 24- first, 25- slide plates,
26- upper die bodies, 27- lower mold bodies, 28- vacuum devices, 29- sprue gates, 281- vavuum pumps, 282- mounting brackets, the gas of 283- second
Cylinder, the first grafting of 284- body, 285- first exhaust passages, 286- second exhausts passage, 287- sealing rings, the grafting of 288- second
Passage, 262- prepass after body, 289- locating rods, 2810- plug divisions, 2811- fixed seats, 2812- locating rods, 261-.
【Embodiment】
Refering to Fig. 1,2, a kind of hot investment casting of the utility model pressure wax apparatus, including support body 1 and the work installed in support body 1
Make the wax injector structure 2 on platform, the wax injector structure 2 includes base 21, some guide rods 22, installing plate 23, the first cylinder 24, slide plate
25th, upper die body 26, lower mold body 27, vacuum device 28 and sprue gate 29, the base 21 are fixedly mounted on the workbench of support body 1
On, guide rod 22 is equipped with four angles of the base 21, the upper end of the guide rod 22 is provided with installing plate 23, the installing plate
23 upper end is provided with the first cylinder 24, and slidable slide plate 25, the piston of first cylinder 24 are arranged with the guide rod 22
The lower end of bar is fixedly connected through installing plate 23 and with the upper end of slide plate 25, and the lower end of the slide plate 25 is provided with upper die body 26, institute
The rear end for stating upper die body 26 is connected with vacuum device 28, and the upper end of the base 21 is provided with the lower mould being engaged with upper die body 26
Upper half circular groove and lower semi-circular groove, upper half are respectively equipped with the closing face of body 27, the upper die body 26 and lower mold body 27
Circular groove and lower semi-circular fit depressions form sprue gate 29, and the vacuum device 28 includes vavuum pump 281, mounting bracket
282nd, the second cylinder 283, the first grafting body 284, first exhaust passage 285, the grafting body of some second exhaust passages 286 and second
288, the rear end of the upper die body 26 is provided with mounting bracket 282, and the back body of the mounting bracket 282 is provided with the second cylinder 283, institute
The front end for stating the piston rod of the second cylinder 283 is provided with the first grafting body 284, and first exhaust is provided with the first grafting body 284
Passage 285, the output end of the first exhaust passage 285 are connected with vavuum pump 281, and the front end of the first grafting body 284 is set
There is a plug division 2810, the front end of the plug division 2810 is provided with the second grafting body 288 and circumferentially shape is distributed and to surround second slotting
The second exhaust passage 286 of junctor 288, the second exhaust passage 286 connect with first exhaust passage 285, the upper die body
26 rear end is provided with the rear passage 261 being engaged with plug division 2810, and the front end of the rear passage 261 is provided with and the second grafting body
288 prepass 262 being engaged, the front end of the prepass 262 connect with the inner chamber of upper die body 26, the plug division 2810
Sealed between the hole wall of side face and rear passage 261 by sealing ring 287, the plug division 2810 is provided with and the phase of sealing ring 287
The ring-type pockets of cooperation, the top body of the mounting bracket 282 and the front end of following body are formed with fixed seat 2811,
The fixed seat 2811 is fixedly connected by fastening bolt with upper die body 26, and the piston rod of second cylinder 283 is fully extended
When, the front end of the second grafting body 288 is concordant with the inwall of upper die body 26, when the piston rod of second cylinder 283 is fully retracted,
The distance between second grafting body 288 and prepass 262 are 1~5 millimeter, and the front end at the sprue gate 29 with casting formed with robbing
The tapered portion that is engaged of pipette tips, the first grafting body 284 is square grafting body, the rear end of the first grafting body 284
It is provided through the locating rod 289 of the back body of mounting bracket 282, the diameter of the second grafting body 288 and the diameter of prepass 262
It is equal.
Utility model works process：
A kind of hot investment casting of the utility model in the course of the work, starts the first cylinder 24 with pressure wax apparatus by controller
Work, the piston rod of the first cylinder 24, which stretches out, promotes slide plate 25 to move downward, and slide plate 25 drives upper die body 26 to move downward, until
Upper die body 26 and lower mold body 27 are combined to form mold cavity, and the pipette tips that casting is robbed and the tapered portion of the front end of sprue gate 29 are tight
It is closely connected to be combined, vavuum pump 281 is then started by controller and worked, the air in mold cavity is entered by prepass 262
Enter to rear passage 261, vavuum pump 281 is being entered by second exhaust passage 286 and first exhaust passage 285, is working as vavuum pump
After 281 start 5~8 seconds, controller starts casting and robs the casting into mold cavity, when flow measuring unit monitors that casting is robbed casting amount and reached
To requirement 95% when, flow measuring unit will send signals to controller, and controller starts the second cylinder 283 and simultaneously stops vavuum pump
281 work, the piston rod of the second cylinder 283 stretch out, and the piston rod of the second cylinder 283 drives second by the first grafting body 284
Grafting body 288 travels forward, until the piston rod of the second cylinder 283 is fully extended, now, the front end of the second grafting body 288 with
The inwall of upper die body 26 is concordant, when casting amount reaches requirement, stops casting.
Compared with prior art, it is possible to increase surface accuracy, reduction later stage repair the workload of wax-pattern.
Above-described embodiment be to explanation of the present utility model, be not to restriction of the present utility model, it is any new to this practicality
Scheme after type simple transformation belongs to the scope of protection of the utility model.
Claims (7)
- A kind of 1. hot investment casting pressure wax apparatus, it is characterised in that：Including support body (1) and on the workbench of support body (1) Wax injector structure (2), the wax injector structure (2) include base (21), some guide rods (22), installing plate (23), the first cylinder (24), slide plate (25), upper die body (26), lower mold body (27), vacuum device (28) and sprue gate (29), the base (21) are solid Dingan County is equipped with guide rod (22) on the workbench of support body (1) on four angles of the base (21), the guide rod (22) Upper end is provided with installing plate (23), and the upper end of the installing plate (23) is provided with the first cylinder (24), is arranged on the guide rod (22) Have a slidable slide plate (25), the lower end of the piston rod of first cylinder (24) through installing plate (23) and with slide plate (25) Upper end is fixedly connected, and the lower end of the slide plate (25) is provided with upper die body (26), and the rear end of the upper die body (26), which is connected with, takes out very Empty mechanism (28), the upper end of the base (21) are provided with the lower mold body (27) being engaged with upper die body (26), the upper die body (26) upper half circular groove and lower semi-circular groove and on the closing face of lower mold body (27) are respectively equipped with, upper half circular groove is with Semi-circular recesses are engaged to form sprue gate (29), the vacuum device (28) include vavuum pump (281), mounting bracket (282), Second cylinder (283), the first grafting body (284), first exhaust passage (285), some second exhaust passages (286) and second insert Junctor (288), the rear end of the upper die body (26) are provided with mounting bracket (282), and the back body of the mounting bracket (282) is provided with the Two cylinders (283), the front end of the piston rod of second cylinder (283) are provided with the first grafting body (284), the first grafting body (284) first exhaust passage (285) is provided with, the output end of the first exhaust passage (285) connects with vavuum pump (281), The front end of the first grafting body (284) is provided with plug division (2810), and the front end of the plug division (2810) is provided with the second grafting Body (288) and circumferentially shape are distributed and surround the second exhaust passage (286) of the second grafting body (288), and the second exhaust is led to Road (286) connects with first exhaust passage (285), and the rear end of the upper die body (26) is provided with what is be engaged with plug division (2810) Passage (261) afterwards, the front end of the rear passage (261) are provided with the prepass (262) being engaged with the second grafting body (288), institute The front end for stating prepass (262) connects with the inner chamber of upper die body (26).
- A kind of 2. hot investment casting as claimed in claim 1 pressure wax apparatus, it is characterised in that：The week of the plug division (2810) Sealed between the hole wall of face and rear passage (261) by sealing ring (287), the plug division (2810) is provided with and sealing ring (287) the ring-type pockets being engaged.
- A kind of 3. hot investment casting as claimed in claim 1 pressure wax apparatus, it is characterised in that：The mounting bracket (282) it is upper The front end of side body and following body is formed with fixed seat (2811), and the fixed seat (2811) passes through fastening bolt and upper mould Body (26) is fixedly connected.
- A kind of 4. hot investment casting as claimed in claim 1 pressure wax apparatus, it is characterised in that：Second cylinder (283) When piston rod is fully extended, the front end of the second grafting body (288) is concordant with the inwall of upper die body (26), second cylinder (283) when piston rod is fully retracted, the distance between the second grafting body (288) and prepass (262) are 1~5 millimeter.
- A kind of 5. hot investment casting as claimed in claim 1 pressure wax apparatus, it is characterised in that：The front end of the sprue gate (29) Formed with the tapered portion being engaged with the pipette tips that casting is robbed.
- A kind of 6. hot investment casting as claimed in claim 1 pressure wax apparatus, it is characterised in that：The first grafting body (284) For square grafting body, the rear end of the first grafting body (284) is provided through the locating rod of the back body of mounting bracket (282) (289)。
- A kind of 7. hot investment casting pressure wax apparatus as any one of claim 1 to 6, it is characterised in that：Described second The diameter of grafting body (288) is equal with the diameter of prepass (262).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720674423.0U CN206824611U (en) | 2017-06-12 | 2017-06-12 | A kind of hot investment casting pressure wax apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720674423.0U CN206824611U (en) | 2017-06-12 | 2017-06-12 | A kind of hot investment casting pressure wax apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206824611U true CN206824611U (en) | 2018-01-02 |
Family
ID=60774672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720674423.0U Withdrawn - After Issue CN206824611U (en) | 2017-06-12 | 2017-06-12 | A kind of hot investment casting pressure wax apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206824611U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106984769A (en) * | 2017-06-12 | 2017-07-28 | 浙江坤博机械制造有限公司 | A kind of hot investment casting pressure wax apparatus |
-
2017
- 2017-06-12 CN CN201720674423.0U patent/CN206824611U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106984769A (en) * | 2017-06-12 | 2017-07-28 | 浙江坤博机械制造有限公司 | A kind of hot investment casting pressure wax apparatus |
| CN106984769B (en) * | 2017-06-12 | 2019-06-07 | 浙江坤博机械制造有限公司 | A kind of hot investment casting pressure wax apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180102 Effective date of abandoning: 20190607 |