CN209094482U - A kind of undersetting precoated sand mold - Google Patents
A kind of undersetting precoated sand mold Download PDFInfo
- Publication number
- CN209094482U CN209094482U CN201821539006.6U CN201821539006U CN209094482U CN 209094482 U CN209094482 U CN 209094482U CN 201821539006 U CN201821539006 U CN 201821539006U CN 209094482 U CN209094482 U CN 209094482U
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- CN
- China
- Prior art keywords
- pin
- punch
- cavity plate
- undersetting
- concave die
- Prior art date
- 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.)
- Expired - Fee Related
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Abstract
The utility model proposes a kind of undersetting precoated sand molds, it include: including punch-pin and cavity plate, concave die cavity and convex model chamber are respectively equipped in the cavity plate and the punch-pin, the concave die cavity and the convex model chamber form the type chamber for controlling shape of product after molding, several location holes are equipped on the cavity plate and the punch-pin, the cavity plate and the punch-pin can manufacture arenaceous shell identical with undersetting shape after the cavity plate and punch-pin molding by the positioning pin being inserted into the location hole fixed relative position.The beneficial effect is that: the utility model can be such that the undersetting cast out machining reduces, and save material and artificial cost, Yi Shixian automated production.
Description
Technical field
The utility model relates to automobile parts production fields, particularly relate to a kind of undersetting precoated sand mold.
Background technique
Currently, China's casting industry generallys use hot box to manufacture sand core.Its manufacturing process approximately as: will casting use
The sand material that sand, thermosetting resin and catalyst are mixed into is injected into the core box with heating device by core shooter, is heated to
250 to 320 degrees Celsius, keep the sand material close to box surface heated, the binder in sand material in a short period of time can polycondensation
Hardening, and then shape forming core.The type that foundry sand generally injects hot core box mould by sand shooting mouth is intracavitary.
With the development of auto manufacturing, vehicle complete vehicle performance and each components all obtain raising largely and change
Kind, the requirement that people are used for the time limit is also higher and higher.A kind of important component of the undersetting as automobile component, decompression,
Shockproof aspect plays an important role, since undersetting primarily serves the effect of load-bearing, so the structural strength to undersetting has
The blank processing of very high requirement, existing undersetting mainly uses lost-wax casting or the method using sand casting, these
Method is at high cost, and process flow is long, time-consuming, and the pipe clamp blank machining allowance produced is big, and product qualified rate is not high,
Waste material and processing charges.
Utility model content
The utility model is existing to solve the problems, such as, proposes a kind of undersetting precoated sand mold.
The technical solution of the utility model is achieved in that
A kind of undersetting precoated sand mold, including punch-pin and cavity plate are respectively equipped with recessed in the cavity plate and the punch-pin
Model cavity and convex model chamber, the concave die cavity and the convex model chamber form the type for controlling shape of product after molding
Chamber is equipped with several location holes, the cavity plate and the punch-pin by being inserted into the location hole on the cavity plate and the punch-pin
In the fixed relative position of positioning pin, sand identical with undersetting shape can be manufactured after the cavity plate and punch-pin molding
Shell, in the circle air discharge duct that wrapped around of the concave die cavity, the front side of type chamber, institute is arranged in the exhaust outlet of the air discharge duct
Air discharge duct is stated to be connected to the concave die cavity.
Several are provided on the downside of the concave die cavity and penetrates Sha Kou, are penetrated the rear end Sha Kou and are connected to type chamber, described recessed
Model cavity top is additionally provided with running channel installation position, is additionally provided with air discharge duct on the outside of the concave die cavity, the air discharge duct with it is described
Concave die cavity connection.
Several bottoming holes for running through the entire cavity plate are additionally provided in the concave die cavity and convex model chamber lower part,
Mutual corresponding fixed slot, the cavity plate and the punch-pin are equipped with described in the two sides of the cavity plate and the punch-pin
Fixed slot is connected and fixed.
Four corners at the punch-pin and the cavity plate back, which are equipped with, is respectively provided with a tooling hole, in the cavity plate and described
Punch-pin front is additionally provided with the location hole that position is mutually matched.
Multiple centre holes are additionally provided in the intracavitary bottom of the concave die cavity and the convex model.
The beneficial effects of the utility model are:
1. the utility model is able to achieve efficient casting and demoulding, matched using the centre hole and big centre hole that are rationally arranged
It closes thimble and long thimble gets higher the efficiency of demoulding, the adjustment of running channel position can accelerate the speed poured, increase yield rate
Add；
2. the utility model can be such that the undersetting cast out machining reduces, material and artificial cost, Yi Shi are saved
Existing automated production.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the main view of cavity plate；
Fig. 2 is the rearview of cavity plate；
Fig. 3 is the side view of cavity plate；
Fig. 4 is the bottom view of cavity plate；
Fig. 5 is the structural schematic diagram of punch-pin；
Fig. 6 is the structural schematic diagram of running channel；
Fig. 7 is the front view of running channel.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are under that premise of not paying creative labor
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Fig. 1 ~ Fig. 7, a kind of undersetting precoated sand mold, including punch-pin 1 and cavity plate 2, in cavity plate 2 and punch-pin 1
It is respectively equipped with concave die cavity 3 and convex model chamber 4, concave die cavity 3 and convex model chamber 4 are formed after molding for controlling shape of product
Type chamber.
Four corners at 2 back of punch-pin 1 and cavity plate, which are equipped with, is respectively provided with a tooling hole 5, and cavity plate 2 and punch-pin 1 are passed through it
The tooling hole 5 at back is mounted in penetrating sand machine.
It is equipped with several location holes 6 on cavity plate 2 and punch-pin 1, is corresponded to relatively between location hole 6, in molding, by right
Neat location hole 6 is inserted into positioning pin by 1 aligned in position of cavity plate 2 and punch-pin, then for the two in the location hole 6 of cavity plate 2 and punch-pin 1
It is fixed, arenaceous shell identical with undersetting shape can be manufactured after cavity plate 2 and the molding of punch-pin 1.
It is additionally provided with running channel installation position 7 on 3 top of concave die cavity, needs for running channel 8 to be mounted on running channel installation between molding
At position 7, running channel 8 is matched with the cavity shape at running channel installation position 7, and it be section is arch, 8 front band of running channel that running channel 8 is latter half of
There are two the different outer enlarging-angles 9 of thickness, are arc gap between two outer enlarging-angles 9, and the upper surface of running channel 8 is irregular arch
Shape, the lower surface of running channel 8 is horizontal, and the upper surface of running channel 8 is matched with the part-structure of concave die cavity 3, the lower surface of running channel 8 with it is convex
The part-structure of model cavity 4 matches, and is additionally provided with two fixation holes 10 on running channel 8 is latter half of, at the running channel installation position 7 also there are two
With the matched hole of fixation hole 10, it is inserted into fixation hole 10 by pin and running channel 8 is fixed in concave die cavity 3.
The downside of concave die cavity 3 is provided with several and penetrates sand mouth 11, penetrates 11 rear end of sand mouth and is connected to the type chamber after molding,
The sand shooting mouth for penetrating 11 front end of sand mouth and penetrating sand machine connects, and it is intracavitary that precoated sand is injected to the type after molding by penetrating sand machine, around cavity plate
The outside of type chamber 3 is additionally provided with air discharge duct 12, and air discharge duct 12 is connected to concave die cavity 3, and the exhaust outlet of air discharge duct 12 is located at cavity plate type
Chamber side, for the intracavitary air of type to be discharged, after cavity plate 2 and punch-pin 1 mold, the width of air discharge duct 12 is less than precoated sand
The diameter of grain can prevent precoated sand from spraying from air discharge duct 12 in this way, the exhaust outlet of air discharge duct 12 and penetrate sand mouth 11 and be located at cavity plate 2
It is ipsilateral.
Several bottoming holes 13 for running through entire cavity plate 2 are additionally provided in concave die cavity 3 and 4 lower part of convex model chamber, are being heated
Electrically heated rod is inserted into hole 13, for heating to the intracavitary precoated sand of type, it is mutually right to be equipped in the two sides of cavity plate 2 and punch-pin 1
The fixation slot 14 answered, cavity plate 2 and punch-pin 1 are connected and fixed by being inserted into connecting rod in fixed slot 14, and connecting rod is door shape
Bar, both ends are bending part, and both ends are inserted into fixed slot 14 can be fixed by cavity plate 2 and punch-pin 1；In cavity plate 2 and convex
When mould 1 does not need be fixed, it can also be inserted into thermocouple temperature sensor in fixed slot 14, for detecting the intracavitary temperature of type
Degree.
Bottom in concave die cavity 3 and convex model chamber 4 is additionally provided with multiple centre holes 16, centre hole 16 be used for mold at
It after type, by mold from the intracavitary insertion thimble of type, is drawn off, is equipped with a big thimble at four angles of cavity plate 2 and punch-pin 1
Hole 15 is inserted with long thimble in big centre hole 15, after molding, is opened the ejector retainner plate after cavity plate 2 and punch-pin 1 by long thimble.
Steel plate is processed into cavity plate 2 and punch-pin 1 and running channel 8 by the utility model, processes phase on cavity plate 2 and punch-pin 1
Matched type chamber penetrates sand mouth 11 and location hole 6, penetrates 11 dimensions of sand mouth, according to precoated sand material property and penetrate sand
The speed of shaking out of mouth adjusts, and positioning pin is made according to location hole 6, obtains centre hole 16 in the bottom hole of type chamber, is pushing up
Thimble is inserted into pin hole 16, thimble can move in centre hole 16, and thimble can eject the intracavitary sand core of type, in cavity plate 2
With process one group of evenly arranged bottoming hole 13 in punch-pin 1, according to the type in cavity plate 2 and punch-pin 1 when the quantity of bottoming hole 13
What the size of chamber determined, air discharge duct 12 is communicated with type chamber, the depth of air discharge duct 12 can according to the size of precoated sand particle,
The depth and quantity of adjustment air discharge duct 12 in prescribed limit when processing tool hole 5, are needed according to the mounting device on core shooter
It processes, penetrates sand mouth 11 plus man-hour requirement considers the performance of sand shooting mouth structure and precoated sand on core shooter, fixation hole 10
Quantity is at least 2.
Cavity plate 2 and punch-pin 1 are installed on core shooter by tooling hole 5 first, after cavity plate 2 and the molding of punch-pin 1, positioning pin
It is inserted into location hole 6, keeps the two fixed, the control system of core shooter passes through information acquisition system, instruction compression air system
Start and open the channel of sandbox and sand hopper, so that proportioned precoated sand enters sand hopper and enters type by the sand export of sand hopper
Chamber, precoated sand is compacted under pressure, and exhaust gas is discharged from air discharge duct 12, and control system instruction heating system passes through electric heating
Stick heats mold, and then the precoated sand in heating mould, is allowed to denaturation solidification, thermocouple temperature sensor real-time detection
Heating temperature simultaneously feeds back to control element, to control the constant of heating temperature；After precoated sand solidification, control system instruction is hydraulic
The hydraulic cylinder of system separates mold, takes out sand core, just completes the manufacturing process of the sand core of undersetting.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (5)
1. a kind of undersetting precoated sand mold, it is characterised in that: including punch-pin and cavity plate, divide in the cavity plate and the punch-pin
Not She You concave die cavity and convex model chamber, the concave die cavity and the convex model chamber are formed after molding for controlling product shape
The type chamber of shape is equipped with several location holes, the cavity plate and the punch-pin as described in insertion on the cavity plate and the punch-pin
The fixed relative position of positioning pin in location hole, the cavity plate and the punch-pin can manufacture identical as undersetting shape after molding
Arenaceous shell, a circle air discharge duct has been wrapped around in the concave die cavity, before type chamber is arranged in the exhaust outlet of the air discharge duct
Side, the air discharge duct are connected to the concave die cavity.
2. undersetting precoated sand mold according to claim 1, it is characterised in that: be arranged in the downside of the concave die cavity
There are several to penetrate Sha Kou, penetrate the rear end Sha Kou and be connected to type chamber, is additionally provided with running channel installation position on the concave die cavity top.
3. undersetting precoated sand mold according to claim 1, it is characterised in that: in the concave die cavity and the punch-pin
Type chamber lower part is additionally provided with several bottoming holes for running through the entire cavity plate, is equipped in the two sides of the cavity plate and the punch-pin
Mutual corresponding fixed slot, the cavity plate and the punch-pin are connected and fixed by the fixed slot.
4. undersetting precoated sand mold according to claim 1, it is characterised in that: in the punch-pin and the cavity plate back
Four corners be equipped be respectively provided with a tooling hole, be additionally provided with the positioning that position is mutually matched in the cavity plate and the punch-pin front
Hole.
5. undersetting precoated sand mold according to claim 1, it is characterised in that: in the concave die cavity and the punch-pin
The intracavitary bottom of type is additionally provided with multiple centre holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821539006.6U CN209094482U (en) | 2018-09-20 | 2018-09-20 | A kind of undersetting precoated sand mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821539006.6U CN209094482U (en) | 2018-09-20 | 2018-09-20 | A kind of undersetting precoated sand mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209094482U true CN209094482U (en) | 2019-07-12 |
Family
ID=67153112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821539006.6U Expired - Fee Related CN209094482U (en) | 2018-09-20 | 2018-09-20 | A kind of undersetting precoated sand mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209094482U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109317624A (en) * | 2018-09-20 | 2019-02-12 | 禹州市昆仑模具有限公司 | A kind of undersetting precoated sand mold |
-
2018
- 2018-09-20 CN CN201821539006.6U patent/CN209094482U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109317624A (en) * | 2018-09-20 | 2019-02-12 | 禹州市昆仑模具有限公司 | A kind of undersetting precoated sand mold |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190712 Termination date: 20210920 |