CN208929143U - A kind of molding sand mold with double ejecting structures - Google Patents
A kind of molding sand mold with double ejecting structures Download PDFInfo
- Publication number
- CN208929143U CN208929143U CN201821689995.7U CN201821689995U CN208929143U CN 208929143 U CN208929143 U CN 208929143U CN 201821689995 U CN201821689995 U CN 201821689995U CN 208929143 U CN208929143 U CN 208929143U
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- China
- Prior art keywords
- thimble
- molding sand
- ejector retainner
- plate
- retainner plate
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Abstract
The utility model discloses a kind of molding sand molds with double ejecting structures, belong to molding sand mould applications, its key points of the technical solution are that including top board, upper ejector retainner plate, cope plate, lower template and die holder, the top board, upper ejector retainner plate, cope plate, lower template and die holder are set gradually along the vertical direction, the lower surface of the upper ejector retainner plate is vertically arranged with several first thimbles, first thimble is inserted into cope plate, lower ejector retainner plate is slidably connected in the die holder, the upper surface of the lower ejector retainner plate is provided with the second thimble being inserted into lower template, the advantages of this molding sand mold with double ejecting structures, is conveniently to be removed from the molds molding sand.
Description
Technical field
The utility model relates to molding sand mold, in particular to a kind of molding sand mold with double ejecting structures.
Background technique
With the high speed development of Domestic Automotive Industry, China has had been provided with independent research and has produced the ability of automobile, and one
As the part of vehicle all formed by way of casting, when casting and forming, will necessarily use and arrive matched molding sand, molding sand
Quality be also related to the quality of mould casting.
The Chinese patent of Publication No. CN206229967U discloses a kind of molding sand mold, including molding sand and setting in molding sand
Interior mold is equipped with filled layer around mold in molding sand, filled layer positioned at mold and molding sand between, filled layer for rigid plastics or
Aluminium alloy.
When molding sand molding, molding sand mold is opened, and one removes through the staff in workshop manually by molding sand from mold
In take out, but since structure is complicated for certain molding sand, there is more curved surface, when the process that staff takes out molding sand force
In, these curved surfaces can interfere with molding sand and be removed from the molds, and cause molding sand to take out difficult.
Utility model content
The purpose of the utility model is to provide a kind of molding sand molds with double ejecting structures, and it is convenient from mould to the advantage is that
Molding sand is taken out in tool.
The above-mentioned technical purpose of the utility model has the technical scheme that
A kind of molding sand mold with double ejecting structures, including top board, upper ejector retainner plate, cope plate, lower template and die holder,
The top board, upper ejector retainner plate, cope plate, lower template and die holder are set gradually along the vertical direction, the following table of the upper ejector retainner plate
Face is vertically arranged with several first thimbles, and first thimble is inserted into cope plate, and lower top is slidably connected in the die holder
Needle plate, the upper surface of the lower ejector retainner plate are provided with the second thimble being inserted into lower template.
By using above-mentioned technical proposal, after upper die and lower die closure completes the molding of molding sand, upper die and lower die are opened
Need to be removed from the molds molding sand, upper ejector retainner plate is driven towards cope plate movement by machine at this time, and the first thimble penetrates into upper mold
In plate, molding sand is separated with cope plate；The lower ejector retainner plate in die holder is also moved towards lower template direction later, drives the second thimble
It is inserted into lower template, separates molding sand with lower template, the staff in workshop is facilitated to take out molding sand from mold.
Further, the lower surface of the upper ejector retainner plate is provided with thimble seat, first thimble and the fixed company of thimble seat
It connects, and the first thimble is located at the center of thimble seat end face.
By using above-mentioned technical proposal, since the diameter of the first thimble is smaller, thimble seat is mainly used for fixing the first top
Needle makes the first thimble is stronger to be connected on ejector retainner plate, reduces by the first thimble and occurs during being inserted into cope plate
First thimble.
Further, the tailstock barrel for plugging cooperation with the first thimble is provided in the cope plate along the vertical direction,
It is bonded in one side on the cope plate with lower template and offers upper impression, the upper impression is connected to tailstock barrel, the tailstock barrel
Open up the upper centre hole set for the insertion of the first thimble.
By using above-mentioned technical proposal, upper impression is mainly used for forming the top of molding sand, while the first thimble and mo(u)ld top half
Chamber connection, when being opened feeding, the first thimble can be pierced by from upper impression, and ejection molding sand is located at the portion in upper impression
Point.
Further, the upper ejector retainner plate is vertically arranged with limited block towards cope plate on one side, and the limited block deviates from
The one side of upper ejector retainner plate offsets with cope plate.
By using above-mentioned technical proposal, limited block is mainly used for limiting the mobile distance of the first thimble, when upper ejector retainner plate
When the first ejection being driven to complete the process of liftout, upper ejector retainner plate is moved a certain distance, and limited block offsets with cope plate, at this time upper top
The work that needle plate stop motion, i.e. the first thimble also complete liftout, the first thimble stop motion.
Further, one end of the tailstock barrel towards upper ejector retainner plate is provided with into circular flange, in the lower template
It is provided with the stepped hole for accommodating tailstock barrel, the ladder of the flange and stepped hole offsets.
By using above-mentioned technical proposal, tailstock barrel is mainly used for accommodating thimble, and tailstock barrel is plugged in stepped hole, and
The flange of tailstock barrel and the ladder of stepped hole offset, and are conducive to stronger installation thimble.
Further, the small surface of the upper ejector retainner plate is provided with several guide rods, is provided with and is oriented in the cope plate
The mating pilot hole of bar.
By using above-mentioned technical proposal, guide rod is mating with pilot hole, and ejector retainner plate is centainly along perpendicular in principal security
Histogram helps the first thimble to be also centainly inserted into tailstock barrel along vertical direction to movement.
Further, the guide rod is evenly arranged along upper ejector retainner plate edge.
By using above-mentioned technical proposal, multiple equally distributed guide rods are equipped with, are further ensured that ejector retainner plate can only
It is vertically moving, that is, guarantee that the first thimble also can only be vertically moving, completes the work of ejection molding sand.
Further, lower impressions that the lower template was bonded with cope plate offer on one side, the lower template be also provided with
The lower centre hole of second thimble cooperation, the lower centre hole are connected to lower impressions.
By using above-mentioned technical proposal, lower impressions are mainly used for forming the lower part of molding sand, when die sinking, second
Thimble is inserted into centre hole, and is penetrated into lower impressions, separates molding sand with lower impressions.
In conclusion the utility model has the following beneficial effects:
1. passing through the setting of the first thimble and the second thimble, separate molding molding sand with cope plate and lower template, it is convenient
The staff in workshop is removed from the molds molding sand；
2. guaranteeing that the first thimble is vertically moving by the setting of guide rod.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the molding sand mold with double ejecting structures；
Fig. 2 is the structural schematic diagram of top board；
Fig. 3 is the structural schematic diagram of upper ejector retainner plate；
Fig. 4 is the structural schematic diagram of cope plate upper surface；
Fig. 5 is the structural schematic diagram of cope plate lower surface；
Fig. 6 is the structural schematic diagram of die holder.
In figure, 1, top board；11, compression leg；2, upper ejector retainner plate；21, the first thimble；211, thimble seat；22, limited block；23,
Guide rod；3, cope plate；31, pilot hole；32, upper centre hole；33, upper impression；34, tailstock barrel；341, flange；35, stepped hole；
4, lower template；41, lower impressions；42, lower centre hole；5, die holder；51, lower ejector retainner plate；52, the second thimble.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Wherein identical components are presented with like reference characters.It should be noted that word used in the following description
Language "front", "rear", "left", "right", "up" and "down" refer to the direction in attached drawing, word " bottom surface " and " top surface ", "inner" and
"outside" refers respectively to the direction towards or away from geometric center of specific component.
Embodiment: a kind of molding sand mold with double ejecting structures, as shown in Figure 1, include top board 1, upper ejector retainner plate 2,
Cope plate 3, lower template 4 and die holder 5, above structure are set gradually from top to bottom along the vertical direction, and this mold is mainly used for into
Type molding sand, molding sand are mainly used in the work of casting and forming.
Referring to figs. 1 and 2, top board 1 is arranged in rectangle and is made of high-carbon steel, and top board 1 is towards upper thimble
Plate 2 is provided with several compression legs 11, the setting cylindrical of 11 one end of compression leg on one side, and is inserted into the corresponding through-hole of top board 1
In；The other end of compression leg 11 is arranged in six arris columns, and offsets with the upper surface of upper ejector retainner plate 2.
In conjunction with shown in Fig. 1 and Fig. 3, upper ejector retainner plate 2 is arranged in also rectangle, and upper ejector retainner plate 2 is uniform away from the one side of top board 1
It is provided with several thimble seats 211, thimble seat 211 is arranged in regular hexagon, is provided on thimble seat 211 and to be arranged in a vertical direction
The first thimble 21 is obtained for withstanding mold Sand, the first thimble 21 is located at the center of thimble seat 211.Upper 2 court of ejector retainner plate
Several guide rods 23 are additionally provided in the one side of cope plate 3, guide rod 23 is arranged in a vertical direction, and guide rod 23 is specifically arranged
There are four, guide rod 23 is located at close to the position at upper 2 edge of ejector retainner plate.
In conjunction with shown in Fig. 1 and Fig. 4, several stepped holes 35, the quantity of stepped hole 35 and the first thimble 21 are provided in cope plate 3
It is identical.It is equipped with tailstock barrel 34 in stepped hole 35, the upper centre hole 32 mating with the first thimble 21 is provided in tailstock barrel 34,
And one end end of tailstock barrel 34 is provided with rounded flange 341, and flange 341 and the ladder of stepped hole 35 offset, on the one hand
Tailstock barrel 34 is inserted into stepped hole 35 by the convenient staff with workshop, on the other hand also avoids the occurrence of tailstock barrel 34 and rank
The case where terraced hole 35 falls off.
In conjunction with shown in Fig. 3 and Fig. 4, the pilot hole 31 mating with guide rod 23 is offered in cope plate 3, when upper thimble
When plate 2 is moved towards 3 direction of cope plate, guide rod 23 is inserted into guide rod 23, and guide rod 23 and guide rod 23 slide
Grafting, mainly for guiding, the first thimble 21 is more accurate to be plugged into corresponding tailstock barrel 34.
In conjunction with shown in Fig. 4 and Fig. 5, cope plate 3 is provided on one side away from upper ejector retainner plate 2 for forming molding sand top
Type chamber 33, and one end of stepped hole 35 is connected to the Cavity surface of upper impression 33, and (in conjunction with reference Fig. 1) is i.e. when the first thimble 21 is inserted into
When to tailstock barrel 34, the end of the first thimble 21 can be extend into upper impression 33, when being opened feeding, the first top
Needle 21 is stretched out from the metope of upper impression 33, and is offseted with molding molding sand, and the first thimble 21 continues to transport downwards later
It is dynamic, drive molding sand to separate with upper impression 33.
In conjunction with shown in Fig. 5 and Fig. 6, lower template 4 is provided with lower impressions 41 towards cope plate 3 on one side, and lower impressions 41 are main
For forming the lower part of molding sand, and when molding, lower impressions 41 and common group of 33 mutually matched work of upper impression
At the type chamber for forming molding sand.Lower template 4 is provided with several lower centre holes 42 being arranged vertically away from cope plate 3 on one side,
Lower centre hole 42 is connected to lower impressions 41.
In conjunction with shown in Fig. 1 and Fig. 6, the lower ejector retainner plate 51 arranged in horizontal direction is provided in die holder 5, lower ejector retainner plate 51 can
To pump along vertical direction out.Lower ejector retainner plate 51 is vertically installed with several second tops towards lower template 4 on one side
Needle 52, the second thimble 52 and 42 sliding plug of lower centre hole of lower template 4 cooperate, when being opened feeding, the second thimble 52
It is inserted into lower impressions 41, the second thimble 52 contradicts molding sand, separates molding sand with lower impressions 41.
Specific implementation process: the staff in the workshop filled-type sandy plain in upper impression 33 and lower impressions 41 respectively first
Material makes molding sand raw material have good viscosity due to being mixed with a certain proportion of resin in molding sand raw material, will not be easily from mo(u)ld top half
It is detached from chamber 33 and lower impressions 41.Cope plate 3 and lower template 4 are mounted on corresponding molding machine later, molded later, and
Entire mold is heated, the molding sand raw material in mold is made to be hardened sizing, rear mold open, molding machine drives top board 1
It moves downward, while top board 1 also drives ejector retainner plate 2 to move downward, i.e., the first thimble 21 is inserted into upper impression 33 and type
Sand contact, separates molding sand with upper impression 33, and the lower ejector retainner plate 51 in die holder 5 is also moved towards 4 direction of lower template later, drives
Second thimble 52 is inserted into lower template 4, separates molding sand with lower template 4, and the staff in workshop is facilitated to incite somebody to action from mold
Molding sand takes out.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (8)
1. a kind of molding sand mold with double ejecting structures, it is characterised in that: including top board (1), upper ejector retainner plate (2), upper mold
Plate (3), lower template (4) and die holder (5), the top board (1), upper ejector retainner plate (2), cope plate (3), lower template (4) and die holder
(5) it sets gradually along the vertical direction, the lower surface of the upper ejector retainner plate (2) is vertically arranged with several first thimbles (21), described
First thimble (21) is inserted into cope plate (3), is slidably connected lower ejector retainner plate (51) in the die holder (5), the lower thimble
The upper surface of plate (51) is provided with the second thimble (52) being inserted into lower template (4).
2. a kind of molding sand mold with double ejecting structures according to claim 1, it is characterised in that: the upper ejector retainner plate
(2) lower surface is provided with thimble seat (211), and first thimble (21) is fixedly connected with thimble seat (211), and the first top
Needle (21) is located at the center of thimble seat (211) end face.
3. a kind of molding sand mold with double ejecting structures according to claim 2, it is characterised in that: the cope plate
(3) be provided with along the vertical direction in for and the first thimble (21) plug the tailstock barrel (34) of cooperation, on the cope plate (3) with
It is offered upper impression (33) in lower template (4) fitting one side, the upper impression (33) is connected to tailstock barrel (34), the tailstock barrel
(34) the upper centre hole (32) set for the first thimble (21) insertion is opened up.
4. a kind of molding sand mold with double ejecting structures according to claim 3, it is characterised in that: the upper ejector retainner plate
(2) being vertically arranged on one side limited block (22) towards cope plate (3), the limited block (22) deviate from the one of upper ejector retainner plate (2)
Face offsets with cope plate (3).
5. a kind of molding sand mold with double ejecting structures according to claim 3, it is characterised in that: the tailstock barrel
(34) it is provided with into circular flange (341) towards one end of upper ejector retainner plate (2), is provided in the lower template (4) for accommodating
The stepped hole (35) of tailstock barrel (34), the flange (341) and the ladder of stepped hole (35) offset.
6. a kind of molding sand mold with double ejecting structures according to claim 1, it is characterised in that: the upper ejector retainner plate
(2) small surface is provided with several guide rods (23), is provided in the cope plate (3) and guide rod (23) mating guiding
Hole (31).
7. a kind of molding sand mold with double ejecting structures according to claim 6, it is characterised in that: the guide rod
(23) it is evenly arranged along upper ejector retainner plate (2) edge.
8. a kind of molding sand mold with double ejecting structures according to claim 1, it is characterised in that: the lower template
(4) what is be bonded with cope plate (3) offers lower impressions (41) on one side, and the lower template (4) is also provided with matches with the second thimble (52)
The lower centre hole (42) closed, the lower centre hole (42) are connected to lower impressions (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821689995.7U CN208929143U (en) | 2018-10-17 | 2018-10-17 | A kind of molding sand mold with double ejecting structures |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821689995.7U CN208929143U (en) | 2018-10-17 | 2018-10-17 | A kind of molding sand mold with double ejecting structures |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208929143U true CN208929143U (en) | 2019-06-04 |
Family
ID=66725057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821689995.7U Expired - Fee Related CN208929143U (en) | 2018-10-17 | 2018-10-17 | A kind of molding sand mold with double ejecting structures |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208929143U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110202095A (en) * | 2019-06-20 | 2019-09-06 | 广东肇庆动力金属股份有限公司 | Core mold and the casting mould for preparing core mold |
-
2018
- 2018-10-17 CN CN201821689995.7U patent/CN208929143U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110202095A (en) * | 2019-06-20 | 2019-09-06 | 广东肇庆动力金属股份有限公司 | Core mold and the casting mould for preparing core 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 |
Granted publication date: 20190604 Termination date: 20211017 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |