CN214684147U - Metal mold gravity casting sample mold - Google Patents
Metal mold gravity casting sample mold Download PDFInfo
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- CN214684147U CN214684147U CN202120851913.XU CN202120851913U CN214684147U CN 214684147 U CN214684147 U CN 214684147U CN 202120851913 U CN202120851913 U CN 202120851913U CN 214684147 U CN214684147 U CN 214684147U
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- 238000005266 casting Methods 0.000 title claims abstract description 28
- 230000005484 gravity Effects 0.000 title claims abstract description 24
- 239000002184 metal Substances 0.000 title claims abstract description 24
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000002360 preparation method Methods 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000005034 decoration Methods 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 230000005574 cross-species transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910001234 light alloy Inorganic materials 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
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Abstract
The utility model provides a metal mold gravity casting sample mould, includes left half mould and right half mould, its characterized in that: the one end of left half mould and right half mould passes through hinged joint, the other end passes through the collet fixed, and the outside of left half mould and right half mould is equipped with roof and ejector pin fixed plate respectively, and the ejector pin passes through threaded connection with ejector pin fixed plate, roof, and the ejector pin can extend to the model intracavity of left half mould and right half mould to be equipped with the release link between left half mould, right half mould and ejector pin fixed plate, the cover is equipped with reset spring on the release link. The utility model has the advantages of simple and reasonable structure, can effectively improve the preparation efficiency of metal mold gravity casting sample, quality reliability is high simultaneously, the yield is high, manufacturing cost is also lower.
Description
Technical Field
The utility model belongs to the technical field of the mould structure, a metal mold gravity casting sample mould is related to.
Background
A sample die is often required to be poured in the trial production process of the light alloy, H13 steel is usually adopted in the metal type gravity casting sample die, and H13 steel has excellent mechanical properties, proper hardness and plasticity, good processability and the like. The existing metal mold gravity casting sample mold is generally only composed of a left mold and a right mold, and due to the fact that modules such as a return spring, a hinge and a locking clamp are not arranged, when a metal mold gravity sample is poured, quality problems such as casting mold staggering, difficult demolding, surface strain and the like often occur, and the metal mold gravity casting sample mold is high in working strength, low in efficiency and low in sample yield.
Therefore, the existing sample mold needs to be improved, so that the casting can be effectively prevented from being misplaced, the demolding is easy, and the quality reliability is high.
Disclosure of Invention
The utility model aims to solve the technical problem that to foretell technical current situation and provide a metal mold gravity casting sample mould that simple structure is reasonable, preparation efficiency is high, can effectively prevent the foundry goods mistake mould and the drawing of patterns is easy, quality reliability is high.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: the utility model provides a metal mold gravity casting sample mould, includes left half mould and right half mould, its characterized in that: the one end of left half mould and right half mould passes through hinged joint, the other end passes through the collet fixed, and the outside of left half mould and right half mould is equipped with roof and ejector pin fixed plate respectively, and the ejector pin passes through threaded connection with ejector pin fixed plate, roof, and the ejector pin can extend to the model intracavity of left half mould and right half mould to be equipped with the release link between left half mould, right half mould and ejector pin fixed plate, the cover is equipped with reset spring on the release link.
As an improvement, a pouring gate and a riser are formed in the middle of the upper end of the left half mold and the right half mold after the left half mold and the right half mold are closed, mold closing guide bosses are arranged at four corners of the edge of the closed surface of the left half mold, a mold closing guide concave surface which is correspondingly matched with the mold closing guide boss is arranged on the closed surface of the right half mold, and the right half mold and the left half mold are positioned through matching of the mold closing guide concave surface and the mold closing guide boss.
And then, improving the structure, wherein one sprue is arranged, two risers are arranged, the two risers are arranged on the front side and the rear side of the sprue, the left half die and the right half die are in clearance fit, and the fit clearance is 0.01-0.02 mm.
Further, the ejector rod is two groups of left and right arrangement, each group is four about, runs through the upper and lower position of locating the front and back of roof and ejector rod fixed plate respectively, and the release link is two groups of corresponding left and right arrangement, and four about every group release link is four at least, locates the outside of corresponding ejector rod respectively.
Furthermore, the left half die and the right half die are provided with concave holes for inserting one end of the reset rod, one end of the reset rod is in clearance fit with the left half die or the right half die, the other end of the reset rod is in threaded connection with the ejection rod fixing plate, and the reset spring is sleeved on the reset rod and supported between the ejection rod fixing plate and the left half die or the right half die.
And furthermore, the fit clearance between the reset rod and the left half mold and the fit clearance between the reset rod and the right half mold are 0.01-0.02 mm.
Furthermore, the rear end of the left half die is convexly provided with an upper connecting lug and a lower connecting lug, the rear end of the right half die is provided with a corresponding connecting lug, and the rear ends of the left half die and the right half die are rotatably hinged together by penetrating a shaft pin through the connecting lugs and the connecting lugs.
And finally, the front ends of the left half mold and the right half mold are respectively fixedly connected with a handle, the right end of the locking clamp is rotatably and fixedly sleeved on the handle of the right half mold, and the left end of the locking clamp is provided with an arc-shaped groove matched and locked with the handle of the left half mold next time.
Compared with the prior art, the utility model has the advantages of: one end of the left half mould is connected with one end of the right half mould through a hinge, and the other end of the left half mould is fixed through a locking clamp, so that the mould is very convenient to assemble and disassemble; the die assembly guide boss and the die assembly guide concave surface are arranged, so that the left half die and the right half die are positioned and matched conveniently, and the casting is prevented from being staggered; the ejection rod, the reset spring and the reset rod are arranged, so that the metal mold gravity casting sample can be rapidly demoulded and taken out under the non-deformation condition. The utility model has the advantages of simple and reasonable structure, can effectively improve the preparation efficiency of metal mold gravity casting sample, quality reliability is high simultaneously, the yield is high, manufacturing cost is also lower.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention in a mold closing state;
FIG. 2 is a top view of FIG. 1;
fig. 3 is a top view of the embodiment of the present invention in the open state;
FIG. 4 is a schematic view of the structure of the left mold half;
fig. 5 is a top view of fig. 4.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
As shown in fig. 1 to 5, a metal mold gravity casting sample mold comprises a left half mold 1 and a right half mold 2 which are oppositely arranged, an ejector rod 3, an ejector rod fixing plate 4, a top plate 5, a reset rod 6, a reset spring 7 and a locking clamp 9, wherein one end of the left half mold 1 is connected with one end of the right half mold 2 through a hinge, the other end of the left half mold is fixed through the locking clamp 9, the top plate 5 and the ejector rod fixing plate 4 are respectively arranged on the outer sides of the left half mold 1 and the right half mold 2, and the ejector rod 3 is connected with the ejector rod fixing plate 4 and the top plate 5 through threads, so that the rapid demolding of a casting is realized; the reset rod 6 is arranged between the left half die 1, the right half die 2 and the ejector rod fixing plate 4, and the reset rod 6 is sleeved with a reset spring 7.
The concrete structure is as follows: the left half die 1 and the right half die 2 are made of H13 die steel, the rear end of the right half die 2 is convexly provided with an upper connecting lug and a lower connecting lug 21, the rear end of the left half die 1 is provided with a corresponding connecting lug 11, and the rear ends of the left half die 1 and the right half die 2 are rotatably hinged together by penetrating a shaft pin through the connecting lugs 11 and the connecting lugs 21. The front end of left half mould 1 and right half mould 2 is fixedly connected with handle 8 respectively, and the right-hand member of collet 9 rotationally fixed cover is established on the handle 8 of right half mould 2, and the left end downside of collet 9 is offered the convex recess with the handle 8 cooperation locking of left half mould 1, through rotating collet 9 during the pouring, go into the handle 8 of left half mould 1 with convex recess card, with left half mould 1, right half mould 2 fastening to prevent the melt and spill over, further improve the security that the mould used. The left half die 1 and the right half die 2 are folded to form a rectangular block structure, a sprue 10 and two risers 20 are formed in the middle of the upper end of the folded left half die 1 and right half die 2, wherein the sprue 10 is one, and the two risers 20 are arranged on the front side and the rear side of the sprue 10. The left half die 1 and the right half die 2 are in clearance fit, and the fit clearance is 0.01-0.02 mm. The four corners of the edge of the mating surface of the left half mold 1 are provided with mold closing guide bosses 12, the mating surface of the right half mold 2 is provided with mold closing guide concave surfaces 22 which are correspondingly matched, and the right half mold 2 and the left half mold 1 are positioned by matching the mold closing guide concave surfaces 22 with the mold closing guide bosses 21. The ejector rods 3 are arranged in two groups in the left-right direction, each group is four in the front, back, up and down direction, and penetrate through the top plate 5 and the ejector rod fixing plate 4 in the front, back, up and down direction respectively, and usually, the ejector rods 3 can extend into the mold cavities in the left half mold 1 and the right half mold 2 so as to be convenient for ejecting the cast sample pieces. The reset rods 6 are arranged in two groups on the left and right correspondingly, each group of reset rods 6 is at least four, namely, the upper and lower reset rods in the front and back directions and are respectively arranged on the outer sides of the corresponding ejection rods 3. The left half die 1 and the right half die 2 are provided with concave holes for inserting one end of the reset rod 6, one end of the reset rod 6 is in clearance fit with the left half die 1 or the right half die 2, the fit clearance is 0.01-0.02 mm, the other end of the reset rod is in threaded connection with the ejection rod fixing plate 4, the reset spring 7 is sleeved on the reset rod 6 and supported between the ejection rod fixing plate 4 and the left half die 1 or the right half die 2, the reset rod 6 and the reset spring 7 are used for realizing quick reset of a metal gravity casting, and the use efficiency of the die is improved.
One end of the left half mould is connected with one end of the right half mould through a hinge, and the other end of the left half mould is fixed through a locking clamp, so that the mould is very convenient to assemble and disassemble; due to the arrangement of the die assembly guide boss and the die assembly guide concave surface, the left half die and the right half die are accurately positioned and matched, and the die staggering of a casting is prevented; the ejection rod, the reset spring and the reset rod are arranged, so that the metal mold gravity casting sample can be rapidly demoulded and taken out under the non-deformation condition.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The utility model provides a metal mold gravity casting sample mould, includes left half mould and right half mould, its characterized in that: the one end of left half mould and right half mould passes through hinged joint, the other end passes through the collet fixed, and the outside of left half mould and right half mould is equipped with roof and ejector pin fixed plate respectively, and the ejector pin passes through threaded connection with ejector pin fixed plate, roof, and the ejector pin can extend to the model intracavity of left half mould and right half mould to be equipped with the release link between left half mould, right half mould and ejector pin fixed plate, the cover is equipped with reset spring on the release link.
2. The metal mold gravity casting specimen mold of claim 1, wherein: and after the left half mold and the right half mold are closed, a pouring gate and a riser are formed in the middle position of the upper end, mold closing guide bosses are arranged at four corners of the edge of the closed surface of the left half mold, a mold closing guide concave surface which is correspondingly matched with the mold closing guide boss is arranged on the closed surface of the right half mold, and the right half mold and the left half mold are positioned through the matching of the mold closing guide concave surface and the mold closing guide boss.
3. The metal mold gravity casting specimen mold of claim 2, wherein: the sprue is one, the riser is two, the two risers are arranged on the front side and the rear side of the sprue, the left half die and the right half die are in clearance fit, and the fit clearance is 0.01-0.02 mm.
4. The metal mold gravity casting specimen mold of claim 2, wherein: the ejector rod is two groups of left and right arrangement, each group is four about, runs through the upper and lower position around locating roof and ejector rod fixed plate respectively, and the release link is two groups of corresponding left and right arrangement, and every group release link is four about at least, locates the outside of corresponding ejector rod respectively.
5. The metal mold gravity casting specimen mold of claim 4, wherein: the left half die and the right half die are provided with concave holes for inserting one end of the reset rod, one end of the reset rod is in clearance fit with the left half die or the right half die, the other end of the reset rod is in threaded connection with the ejection rod fixing plate, and the reset spring is sleeved on the reset rod and supported between the ejection rod fixing plate and the left half die or the right half die.
6. The metal mold gravity casting specimen mold of claim 5, wherein: and the fit clearance between the reset rod and the left half mold and the fit clearance between the reset rod and the right half mold are 0.01-0.02 mm.
7. The metal mold gravity casting specimen mold according to any one of claims 1 to 6, characterized in that: the rear end of the right half die is convexly provided with an upper connecting lug and a lower connecting lug, the rear end of the left half die is provided with a corresponding connecting lug, and the rear ends of the left half die and the right half die are rotatably hinged together by penetrating a shaft pin through the connecting lugs and the connecting lugs.
8. The metal mold gravity casting specimen mold of claim 7, wherein: the front ends of the left half die and the right half die are respectively and fixedly connected with a handle, the right end of the locking clamp is rotatably and fixedly sleeved on the handle of the right half die, and the left end of the locking clamp is provided with a circular arc-shaped groove matched and locked with the handle of the left half die next time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120851913.XU CN214684147U (en) | 2021-04-23 | 2021-04-23 | Metal mold gravity casting sample mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120851913.XU CN214684147U (en) | 2021-04-23 | 2021-04-23 | Metal mold gravity casting sample mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214684147U true CN214684147U (en) | 2021-11-12 |
Family
ID=78533681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120851913.XU Active CN214684147U (en) | 2021-04-23 | 2021-04-23 | Metal mold gravity casting sample mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214684147U (en) |
-
2021
- 2021-04-23 CN CN202120851913.XU patent/CN214684147U/en active Active
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