CN218453149U - Nodular cast iron lost foam with automatic product ejection structure - Google Patents
Nodular cast iron lost foam with automatic product ejection structure Download PDFInfo
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- CN218453149U CN218453149U CN202222487269.XU CN202222487269U CN218453149U CN 218453149 U CN218453149 U CN 218453149U CN 202222487269 U CN202222487269 U CN 202222487269U CN 218453149 U CN218453149 U CN 218453149U
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Abstract
The utility model discloses a nodular cast iron lost foam with a product automatic ejection structure, which comprises an upper grinding tool, wherein a feed inlet is arranged at the middle end of the upper surface of the upper grinding tool, telescopic rods are connected with the left end and the right end of the lower surface of the upper grinding tool, an upper film cavity is arranged at the middle end of the lower surface of the upper grinding tool, and the top of the upper film cavity is communicated with the lower end of the feed inlet; the lower end of the telescopic rod is respectively arranged inside the left end and the right end of the die holder, the middle end of the die holder is provided with a lower die, the left side and the right side of the lower die are fixedly provided with clamping blocks, and the clamping blocks are connected with the die holder in an embedded mode; the lower die cavity is arranged at the middle end of the lower die and is positioned inside the lifting groove, and the left and right sides of the lifting groove are connected with electric lifting rods in an embedded mode. This nodular cast iron disappearance mould with automatic ejecting structure of product is provided with electric lift rod, through two electric lift rods and lift a lower extreme fixed connection for the required ejecting connecting rod reduces when disappearance mould is ejecting, thereby makes comparatively simple and convenient when disassembling this setting.
Description
Technical Field
The utility model relates to a disappearance mould technical field specifically is a nodular cast iron disappearance mould with automatic ejecting structure of product.
Background
The lost foam is a casting process that a foam similar to a casting in size and shape is coated with a refractory coating and then embedded in sand for molding, so that the mold is gasified, liquid metal occupies the original position of the mold and is cooled, and most of the existing lost foam is pushed out in a mode of directly pushing out the lost foam from the bottom upwards in the manufacturing process of the lost foam, for example, an automatic ejection structure of a CN216152965U motor shell lost foam mold is provided with a plurality of ejection rod structures at the bottom of the mold of the device, so that the contact area between an ejection rod and a product is large in the process of pushing out the product, the deformation caused by unbalanced stress due to uneven ejection position arrangement of the product during ejection can be reduced, but the mold has some problems during use, such as;
according to the device, the multiple ejection rod structures are arranged at the bottom of the die, so that although the weight of the die is shared by the multiple ejection structures and the downward pressure of each connecting rod is reduced, the connecting rods have slender characteristics, the possibility that the lost die is deformed upwards cannot be completely eliminated by the connecting rods, and the arrangement of the multiple connecting rods is complicated in assembling and cleaning and cannot well accord with the simple and efficient production concept in actual production;
therefore, the nodular cast iron lost foam with the automatic product ejection structure can well solve the problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a nodular cast iron disappearance mould with automatic ejecting structure of product to disappearance mould easy deformation when doing on the existing market that the above-mentioned background art provided is solved and comparatively loaded down with trivial details problem.
In order to achieve the above object, the utility model provides a following technical scheme: a nodular cast iron lost foam with an automatic product ejection structure comprises an upper die, wherein a feed inlet is formed in the middle end of the upper surface of the upper die, telescopic rods are connected to the left end and the right end of the lower surface of the upper die, an upper film cavity is formed in the middle end of the lower surface of the upper die, and the top of the upper film cavity is communicated with the lower end of the feed inlet;
further comprising:
the lower end of the telescopic rod is respectively arranged inside the left end and the right end of the die holder, the middle end of the die holder is provided with a lower die, the left side and the right side of the lower die are fixedly provided with clamping blocks, and the clamping blocks are connected with the die holder in an embedded mode;
the middle end of the lower die is provided with a lower die cavity, the lower die cavity is positioned in the lifting groove, the left end and the right end of the lifting groove are connected with an electric lifting rod in an embedded mode, and the upper surfaces of the lower die on the two sides of the lifting groove are provided with embedded grooves;
electric lift pole upper surface fixed connection has the frame of lifting, and electric lift pole lower extreme fixed mounting inside the die holder, lifts the frame upper surface moreover and is less than lower die cavity upper surface.
Preferably, the upper surface of the middle end of the lower die is lower than the upper surfaces of two sides of the lower die, and the lower die is embedded and connected in the middle end of the die holder.
Through the setting of above-mentioned structure, be favorable to going up mould and bed die and carry out the interface butt joint and prevent to go up the mould and appear the deviation when the bed die butt joint.
Preferably, the lifting frame is circular, the lower surface of the lifting frame is provided with a fixing groove, and the diameter of the inner ring of the lifting frame is the same as that of the lower die cavity.
Through the arrangement of the structure, the lifting frame is favorable for upwards pushing out the lost foam, and the damage to the outer surface of the lost foam is reduced.
Preferably, the diameter of the fixing groove is smaller than the diameter of the outer ring of the lifting frame, and the width of the fixing groove is larger than that of the fixing ring.
Through the arrangement of the structure, the fixing groove can be lowered to be arranged above the fixing groove, and a gap is not generated when the lower die cavity is attached to the upper die cavity.
Preferably, the electric lifting rods are provided with two electric lifting rods, the two electric lifting rods penetrate through the lower die, and the two electric lifting rods are located on the left side and the right side of the lower die cavity.
Through the arrangement of the structure, the lifting frame is pushed upwards by the electric lifting rod.
Preferably, the lifting groove upper surface is provided with the retainer plate, and the bed die is located between two electric lift poles, and the retainer plate diameter is greater than the bed die chamber moreover to the retainer plate is corresponding with the fixed slot.
Through the setting of above-mentioned structure to carry out the gomphosis with lifting groove and support frame, prevent to lift the injection moulding that the frame produced the displacement influence disappearance mould in the support.
Compared with the prior art, the beneficial effects of the utility model are that: this nodular cast iron disappearance mould with automatic ejecting structure of product upwards promotes through electric lift pole and holds in the palm the frame and make the disappearance mould in the frame of holding in the palm the lower die cavity that can upwards shift out automatically, and then reduces the possibility that produces the deformation when disappearance mould demolding, and its concrete content is as follows:
(1) The lifting frame is arranged, and the lost foam is sleeved in the lifting frame, so that the lost foam can be driven to move upwards out of the lower die cavity when the lifting frame is pushed upwards by the electric lifting rod, and the deformation risk caused by the traditional mold stripping which is ejected upwards from the bottom can be reduced when the lost foam moves upwards;
(2) The electric lifting rods are arranged and fixedly connected with the lower end of the lifting frame through the two electric lifting rods, so that the number of ejection connecting rods required when the lost foam is ejected is reduced, and the setting is disassembled more conveniently.
Drawings
FIG. 1 is a schematic view of a front cross-sectional structure of the present invention;
FIG. 2 is a schematic view of a front cut-away structure when the evanescent mode of the present invention is released;
FIG. 3 is a schematic view of the top view structure of the mold base of the present invention;
fig. 4 is a schematic view of the lifting frame of the present invention;
fig. 5 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.
In the figure: 1. an upper die; 2. a feed inlet; 3. a die holder; 4. a telescopic rod; 5. a clamping block; 6. a lower die; 601. a lifting groove; 7. a fitting groove; 8. an electric lifting rod; 9. a lifting frame; 10. the lost foam; 11. a lower die cavity; 12. a film feeding cavity; 13. fixing grooves; 14. and a fixing ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: a nodular cast iron lost foam with a product automatic ejection structure comprises an upper die 1, wherein a feed inlet 2 is formed in the middle end of the upper surface of the upper die 1, telescopic rods 4 are connected to the left end and the right end of the lower surface of the upper die 1, an upper film cavity 12 is formed in the middle end of the lower surface of the upper die 1, and the top of the upper film cavity 12 is communicated with the lower end of the feed inlet 2; the telescopic rods 4 arranged on the left side and the right side of the starting die holder 3 push the feed inlet 2 upwards to move, so that the lower surface of the upper die 1 is separated from the attached state on the upper surface of the lower die 6, and the tabling groove 7 is separated from the tabling state of the upper die 1; during disassembly, the lifting frame 9 is firstly used for separating the electric lifting rod 8, and then the lower die 6 in the die holder 3 is lifted upwards, so that the fixture block 5 and the lower die 6 are separated from the die holder 3;
the lower end of the telescopic rod 4 is respectively arranged inside the left end and the right end of the die holder 3, the middle end of the die holder 3 is provided with a lower die 6, the left side and the right side of the lower die 6 are fixedly provided with clamping blocks 5, and the clamping blocks 5 are connected with the die holder 3 in an embedded mode; the upper surface of the middle end of the lower die 6 is lower than the upper surfaces of the two sides of the lower die 6, and the lower die 6 is embedded and connected in the middle end of the die holder 3;
the middle end of the lower die 6 is provided with a lower die cavity 11, the lower die cavity 11 is positioned in the lifting groove 601, the left end and the right end of the lifting groove 601 are connected with an electric lifting rod 8 in an embedded mode, and the upper surfaces of the lower die 6 on the two sides of the lifting groove 601 are provided with embedded grooves 7; two electric lifting rods 8 are arranged, the two electric lifting rods 8 penetrate through the lower die 6, and the two electric lifting rods 8 are positioned on the left side and the right side of the lower die cavity 11; the upper surface of the lifting groove 601 is provided with a fixing ring 14, the lower die 6 is positioned between the two electric lifting rods 8, the diameter of the fixing ring 14 is larger than that of the lower die cavity 11, and the fixing ring 14 corresponds to the fixing groove 13; injecting a liquid material required for manufacturing the lost foam 10 downwards into the lower die cavity 11 and the upper die cavity 12 through a feed inlet 2 arranged at the middle end of the upper surface of the upper die 1, and waiting for a period of time to enable the lost foam 10 to be cooled and plastic, so that the purpose that the liquid material forms the required lost foam 10 in the lower die cavity 11 and the upper die cavity 12 is achieved; the upper surface of the lifting frame 9 is lower than the horizontal center line of the evaporative mold 10, so that the evaporative mold 10 positioned in the lifting frame 9 can be lifted upwards out of the lower mold cavity 11 by the lifting frame 9;
the upper surface of the electric lifting rod 8 is fixedly connected with a lifting frame 9, the lower end of the electric lifting rod 8 is fixedly arranged in the die holder 3, and the upper surface of the lifting frame 9 is lower than the upper surface of the lower die cavity 11; the lifting frame 9 is annular, the lower surface of the lifting frame 9 is provided with a fixing groove 13, and the diameter of the inner ring of the lifting frame 9 is the same as that of the lower die cavity 11; the diameter of the fixing groove 13 is smaller than the diameter of the outer ring of the lifting frame 9, and the width of the fixing groove 13 is larger than that of the fixing ring 14; start telescopic link 4 and drive telescopic link 4 upper end fixed last mould 1 and remove downwards, electric lift pole 8 drives electric lift pole 8 upper end fixed connection's the frame 9 that lifts and removes downwards simultaneously for in the frame 9 gomphosis that lifts is connected to lift groove 601, lift in the fixed slot 13 that the frame 9 lower surface was seted up simultaneously moreover and the clamping connection retainer plate 14.
The working principle is as follows: when the nodular cast iron lost foam with the automatic product ejection structure is used, firstly, the telescopic rod 4 is started to drive the upper die 1 to move downwards and the lifting frame 9 to move downwards, so that the lifting frame 9 is connected into the lifting groove 601 in an embedded manner, and meanwhile, the fixing ring 14 is connected into the fixing groove 13 in an embedded manner; then the liquid material required for manufacturing the lost foam 10 is injected downwards into the lower die cavity 11 and the upper die cavity 12 through the feed inlet 2, and the lost foam 10 can be cooled and formed, then the telescopic rod 4 is started to push the feed inlet 2 upwards to move, so that the lower surface of the upper die 1 is separated from the upper surface of the lower die 6, the embedding groove 7 is in the embedding state separated from the upper die 1, then the electric lifting rod 8 is started to push the left end and the right end of the lifting frame 9 upwards, because the upper surface of the lifting frame 9 is lower than the horizontal central line of the lost foam 10, the lost foam 10 positioned inside the lifting frame 9 can be lifted upwards out of the lower die cavity 11 by the lifting frame 9, the inside of the lifting frame 9 is smooth, the area of the lifting frame 9 and the lost foam 10 are larger when the lifting frame 9 is in contact with the lost foam 10, the surface of the lost foam 10 can not be damaged when the lifting frame 9 lifts out of the lower die cavity 11, so that the lost foam 10 can be demolded without damage, the lost foam 9 can be demolded, the lifted off the electric lifting frame 9 makes the electric lifting frame 8 separate from the lower die seat 3, and further, the parts of the lower die 6 and the similar parts can be lifted, and the parts can be conveniently lifted and the parts can be lifted on the lower die seat, and the same type of the equipment, and the same type parts can be conveniently.
Those not described in detail in this specification are within the skill of the art.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. A nodular cast iron lost foam with an automatic product ejection structure comprises an upper die (1), wherein a feed inlet (2) is formed in the middle end of the upper surface of the upper die (1), telescopic rods (4) are connected to the left end and the right end of the lower surface of the upper die (1), an upper film cavity (12) is formed in the middle end of the lower surface of the upper die (1), and the top of the upper film cavity (12) is communicated with the lower end of the feed inlet (2);
it is characterized by also comprising:
the lower end of the telescopic rod (4) is respectively arranged in the left end and the right end of the die holder (3), the middle end of the die holder (3) is provided with a lower die (6), the left side and the right side of the lower die (6) are fixedly provided with clamping blocks (5), and the clamping blocks (5) are connected with the die holder (3) in an embedded manner;
the middle end of the lower die (6) is provided with a lower die cavity (11), the lower die cavity (11) is positioned in the lifting groove (601), the left end and the right end of the lifting groove (601) are connected with electric lifting rods (8) in an embedded mode, and the upper surfaces of the lower die (6) on the two sides of the lifting groove (601) are provided with embedding grooves (7);
electric lift pole (8) upper surface fixed connection has lifts frame (9), and inside electric lift pole (8) lower extreme fixed mounting in die holder (3), lifts frame (9) upper surface moreover and is less than die cavity (11) upper surface down.
2. The ductile iron lost foam with the automatic product ejection structure according to claim 1, wherein: the upper surface of the middle end of the lower die (6) is lower than the upper surfaces of two sides of the lower die (6), and the lower die (6) is embedded and connected in the middle end of the die holder (3).
3. The ductile iron lost foam with the automatic product ejection structure according to claim 1, wherein: the lifting frame (9) is annular, the lower surface of the lifting frame (9) is provided with a fixing groove (13), and the diameter of the inner ring of the lifting frame (9) is the same as that of the lower die cavity (11).
4. The ductile iron lost foam with the automatic product ejection structure according to claim 3, wherein: the diameter of the fixing groove (13) is smaller than the diameter of the outer ring of the lifting frame (9), and the width of the fixing groove (13) is larger than that of the fixing ring (14).
5. The ductile iron lost foam with the automatic product ejection structure according to claim 1, wherein: electric lift pole (8) are provided with two, and two electric lift pole (8) all run through bed die (6), and two electric lift pole (8) are located bed die cavity (11) left and right sides moreover.
6. The ductile iron lost foam with the automatic product ejection structure according to claim 1, wherein: the upper surface of the lifting groove (601) is provided with a fixing ring (14), the lower die (6) is positioned between the two electric lifting rods (8), the diameter of the fixing ring (14) is larger than that of the lower die cavity (11), and the fixing ring (14) corresponds to the fixing groove (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222487269.XU CN218453149U (en) | 2022-09-20 | 2022-09-20 | Nodular cast iron lost foam with automatic product ejection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222487269.XU CN218453149U (en) | 2022-09-20 | 2022-09-20 | Nodular cast iron lost foam with automatic product ejection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218453149U true CN218453149U (en) | 2023-02-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222487269.XU Active CN218453149U (en) | 2022-09-20 | 2022-09-20 | Nodular cast iron lost foam with automatic product ejection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218453149U (en) |
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2022
- 2022-09-20 CN CN202222487269.XU patent/CN218453149U/en active Active
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