CN109277524B - Core shooting die - Google Patents
Core shooting die Download PDFInfo
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- CN109277524B CN109277524B CN201811328864.0A CN201811328864A CN109277524B CN 109277524 B CN109277524 B CN 109277524B CN 201811328864 A CN201811328864 A CN 201811328864A CN 109277524 B CN109277524 B CN 109277524B
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- groove
- communicated
- chute
- molding cavity
- inclined surface
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C7/00—Patterns; Manufacture thereof so far as not provided for in other classes
- B22C7/06—Core boxes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C15/00—Moulding machines characterised by the compacting mechanism; Accessories therefor
- B22C15/23—Compacting by gas pressure or vacuum
- B22C15/24—Compacting by gas pressure or vacuum involving blowing devices in which the mould material is supplied in the form of loose particles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Casting Devices For Molds (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The invention discloses a core shooting die which comprises a movable die (1) and a static die (2), wherein a first molding cavity, a second molding cavity and a third molding cavity are arranged on the movable die (1), and a first feeding groove (81) is arranged on the movable die (1); a fourth molding cavity, a fifth molding cavity and a sixth molding cavity are arranged on the static mold (2), and a second feeding groove (82) and a third feeding groove (83) are arranged on the static mold (2); the die is characterized in that an air cylinder (13) is arranged at one end of the static die (2), a pull rod (14) is arranged on the air cylinder (13), the static die (2) is penetrated through by the pull rod (14), and a pressing plate (15) is arranged at the penetrating end of the pull rod (14). The sand-shooting forming device is provided with the two feeding holes, so that the sand-shooting forming speed is increased, the filling uniformity is improved, the material supplementing groove is formed to meet the uniform filling effect under different conditions, the production efficiency is improved, the structure is simple and compact, and the operation is convenient.
Description
Technical Field
The invention relates to the field of mold manufacturing, in particular to a core shooting mold.
Background
The core shooter is widely used in the casting industry due to high production efficiency, but when the core shooter in the prior art looses the core, the operation space is narrow, so that the shaped core mould workpiece is inconvenient to take out, the operation efficiency is reduced, the core mould workpiece is easy to damage, the product quality is seriously influenced, meanwhile, the core shooter is not suitable for producing large core mould workpieces, the sand shooting speed is low when the large core mould workpieces are produced, the filling is uneven, and the size of the produced core mould workpieces is limited.
Disclosure of Invention
The invention aims to provide a core shooting mould which can improve the sand shooting speed and ensure even filling.
The technical scheme of the invention is as follows:
a core shooting die comprises a movable die and a stationary die, wherein a first molding cavity is arranged on one side of the movable die, a second molding cavity is arranged on the other side of the movable die, a third molding cavity is arranged at one end between the first molding cavity and the second molding cavity, a first horizontal section and a second horizontal section are arranged in the middle of the movable die, a first inclined plane and a second inclined plane are arranged between the two horizontal sections, a first feeding groove is arranged on the second inclined plane, and the first feeding groove is communicated with the corresponding position of the second molding cavity; a first material supplementing groove and a second material supplementing groove are further formed in the movable mold, the first material supplementing groove is communicated with the first forming groove, and the second material supplementing groove is communicated with the second chute;
on the static die, a fourth molding cavity, a fifth molding cavity and a sixth molding cavity are correspondingly arranged at positions corresponding to the first molding cavity, the second molding cavity and the third molding cavity respectively, a third horizontal section and a fourth horizontal section are respectively arranged at positions corresponding to the first horizontal section and the second horizontal section, a third inclined plane and a fourth inclined plane are respectively arranged at positions corresponding to the first inclined plane and the second inclined plane, a second feeding groove is arranged at a position corresponding to the first feeding groove, the second feeding groove is communicated with the corresponding position of the fifth molding cavity, and the two feeding grooves are abutted to form a first feeding hole; a third feeding groove is further arranged on the static mold, the third feeding groove penetrates through a third horizontal section and a third inclined plane and is communicated with the corresponding position of a sixth molding cavity, and a notch of the third feeding groove is respectively abutted against the corresponding positions of the first horizontal section and the first inclined plane to form a second feeding hole together; and a third material supplementing groove and a fourth material supplementing groove are respectively arranged at positions, corresponding to the first material supplementing groove and the second material supplementing groove, on the static mold, the third material supplementing groove is communicated with the second forming groove, and the fourth material supplementing groove is communicated with the fifth chute.
The static die is characterized in that an air cylinder is arranged at one end of the static die, a pull rod is arranged on the air cylinder, the static die is penetrated by the pull rod, and a pressing plate is arranged at the penetrating end of the pull rod.
By adopting the structure, the three molding cavities are respectively arranged on the movable mold and the static mold according to the shape of the mold core, the molding cavities at the corresponding positions are superposed and form the molding cavity of a required product together with the mold core, and molding materials enter the molding cavities through the first feeding hole and the second feeding hole simultaneously, so that the sand shooting injection speed is improved, and the molding period is reduced; meanwhile, the feeding positions of the two feeding holes are different, so that the filling uniformity can be improved, and the filling dead angle caused by the sand shooting speed is reduced because one feeding hole is not stacked; in addition, be equipped with the cylinder on the quiet mould, after movable mould and quiet mould laminated each other, the cylinder drives the pull rod pulling clamp plate, and the lateral wall that corresponds the position on the clamp plate and movable mould compresses tightly the butt, avoids producing the clearance between movable mould and the quiet mould at the sand shooting in-process to influence product quality, simple structure is compact, and the simple operation has improved production efficiency.
In order to facilitate the placement of the mold core, preferably, the first molding cavity comprises a first straight groove, one end of the first straight groove is provided with a communicated first molding groove, and one end of the first molding groove is provided with a communicated first chute; the second forming cavity comprises a second forming groove, one end of the second forming groove is provided with a second chute which is communicated, one end of the second chute is provided with a third chute which is communicated, and one end of the third chute is provided with a first positioning groove which is communicated; the third molding cavity comprises a first transition inclined plane and a second transition inclined plane, a third transition inclined plane is further arranged between the first transition inclined plane and the second transition inclined plane, the first transition inclined plane is communicated with a third inclined groove, and the second transition inclined plane is communicated with the first inclined groove.
In order to fix the core conveniently, preferably, a first fixing groove and a second fixing groove are arranged on the movable mold, the first fixing groove is communicated with the first chute, and the second fixing groove is communicated with the third transition inclined surface.
In order to be matched with a movable mold to facilitate the placement of the mold core, preferably, the fourth cavity comprises a second straight groove, one end of the second straight groove is provided with a communicated third forming groove, and one end of the third forming groove is provided with a communicated fourth chute; the fifth forming cavity comprises a fourth forming groove, one end of the fourth forming groove is provided with a communicated fifth chute, one end of the fifth chute is provided with a communicated sixth chute, and one end of the sixth chute is provided with a communicated second positioning groove; the sixth molding cavity comprises a fourth transition inclined plane and a fifth transition inclined plane, a sixth transition inclined plane is further arranged between the fourth transition inclined plane and the fifth transition inclined plane, the fourth transition inclined plane is communicated with a fourth chute, and the fifth transition inclined plane is communicated with a sixth chute.
In order to better fix the mold core and reduce the play by matching with the movable mold, preferably, a third fixing groove and a fourth fixing groove are further respectively arranged at positions on the fixed mold corresponding to the first fixing groove and the second fixing groove, the third fixing groove is communicated with the fourth chute, and the fourth fixing groove is communicated with the sixth transition inclined plane.
In order to make the feed filling more uniform, it is preferable that the first feed chute is in communication with a second chute, the second feed chute is in communication with a fifth chute, and the third feed chute is in communication with a fifth transition slope.
In order to facilitate the adjustment of the positioning position, preferably, a limiting block is arranged on one side of the second forming groove, a limiting groove is arranged at a position, corresponding to the limiting block, on one side of the static mold, and the limiting groove is communicated with the fourth forming groove.
In order to better fit the shape of the core, a raised forming block is preferably further provided between the fourth forming groove and the fifth chute.
Has the advantages that: the sand-shooting forming device is provided with the two feeding holes, so that the sand-shooting forming speed is increased, the filling uniformity is improved, the material supplementing groove is formed to meet the uniform filling effect under different conditions, the production efficiency is improved, the structure is simple and compact, and the operation is convenient.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a schematic structural diagram of the movable mold.
Fig. 3 is a schematic structural view of a stationary mold.
Detailed Description
The invention will be further explained with reference to the drawings.
As shown in fig. 1, 2 and 3, the invention comprises a movable die 1, a stationary die 2 and the like, wherein a first molding cavity is arranged on one side of the movable die 1, a second molding cavity is arranged on the other side of the movable die, a third molding cavity is arranged at one end between the first molding cavity and the second molding cavity, the first molding cavity comprises a first straight groove 11, a communicated first molding groove 21 is arranged at one end of the first straight groove 11, and a communicated first inclined groove 31 is arranged at one end of the first molding groove 21; the second forming cavity comprises a second forming groove 22, a second chute 32 communicated with one end of the second forming groove 22 is arranged, a third chute 33 communicated with one end of the second chute 32 is arranged, and a first positioning groove 41 communicated with one end of the third chute 33 is arranged; the third molding cavity comprises a first transition inclined surface 51 and a second transition inclined surface 52, a third transition inclined surface 53 is further arranged between the first transition inclined surface 51 and the second transition inclined surface 52, the first transition inclined surface 51 is communicated with the third chute 33, and the second transition inclined surface 52 is communicated with the first chute 31.
The middle part of the movable die 1 is provided with a first horizontal section 61 and a second horizontal section 62, a first inclined surface 71 and a second inclined surface 72 are arranged between the two horizontal sections, the second inclined surface 72 is provided with a first feeding groove 81, and the first feeding groove 81 is communicated with the second chute 32.
A first material supplementing groove 91 and a second material supplementing groove 92 are further formed in the movable die 1, the first material supplementing groove 91 is communicated with the first forming groove 21, and the second material supplementing groove 92 is communicated with the second chute 32; a first fixing groove 93 and a second fixing groove 94 are formed in the moving die 1, the first fixing groove 93 is communicated with the first inclined groove 31, and the second fixing groove 94 is communicated with the third transition inclined surface 53.
A fourth molding cavity, a fifth molding cavity and a sixth molding cavity are correspondingly arranged on the static die 2 at positions corresponding to the first molding cavity, the second molding cavity and the third molding cavity respectively, the fourth molding cavity comprises a second straight groove 12, a communicated third molding groove 23 is arranged at one end of the second straight groove 12, and a communicated fourth inclined groove 34 is arranged at one end of the third molding groove 23; the fifth molding cavity comprises a fourth molding groove 24, one end of the fourth molding groove 24 is provided with a communicated fifth chute 35, one end of the fifth chute 35 is provided with a communicated sixth chute 36, and one end of the sixth chute 36 is provided with a communicated second positioning groove 42; the sixth molding cavity comprises a fourth transition inclined surface 54 and a fifth transition inclined surface 55, a sixth transition inclined surface 56 is further arranged between the fourth transition inclined surface 54 and the fifth transition inclined surface 55, the fourth transition inclined surface 54 is communicated with the fourth chute 34, and the fifth transition inclined surface 55 is communicated with the sixth chute 36.
A third material supplementing groove 95 and a fourth material supplementing groove 96 are further respectively arranged at positions on the static mold 2 corresponding to the first material supplementing groove 91 and the second material supplementing groove 92, the third material supplementing groove 95 is communicated with the second forming groove 22, and the fourth material supplementing groove 96 is communicated with the fifth chute 35.
A third fixing groove 97 and a fourth fixing groove 98 are further respectively provided at positions on the stationary die 2 corresponding to the first fixing groove 93 and the second fixing groove 94, the third fixing groove 97 communicates with the fourth chute 34, and the fourth fixing groove 98 communicates with the sixth transition slope 56.
A third horizontal section 63 and a fourth horizontal section 64 are respectively arranged at positions on the static mould 2 corresponding to the first horizontal section 61 and the second horizontal section 62, a third inclined plane 73 and a fourth inclined plane 74 are respectively arranged at positions corresponding to the first inclined plane 71 and the second inclined plane 72, a second feeding groove 82 is arranged at a position corresponding to the first feeding groove 81, the second feeding groove 82 is communicated with the fifth chute 35, and the two feeding grooves are abutted to form a first feeding hole; still be equipped with third feeding groove 83 on quiet mould 2, third feeding groove 83 wear to establish third horizontal segment 63 and third inclined plane 73 and communicate with fifth transition inclined plane 55, and the notch of this third feeding groove 83, the terminal surface butt that corresponds the position with first horizontal segment 61 and first inclined plane 71 respectively forms the second feed port jointly.
A limit block 221 is arranged on one side of the second forming groove 22, a limit groove 241 is arranged on one side of the static mold 2 corresponding to the position of the limit block 221, and the limit groove 241 is communicated with the fourth forming groove 24; a raised forming block 10 is also provided between the fourth forming groove 24 and the fifth chute 35.
One end of the static mold 2 is provided with an air cylinder 13, the air cylinder 13 is provided with a pull rod 14, the pull rod 14 penetrates through the static mold 2, and the penetrating end of the pull rod 14 is provided with a pressing plate 15.
The using method of the invention is as follows:
as shown in fig. 1 and 3, according to the shape of the core, a first molding cavity, a second molding cavity and a third molding cavity are arranged on the movable mold 1, a corresponding fourth molding cavity, a fifth molding cavity and a sixth molding cavity are arranged on the stationary mold 2, the core (not shown) is firstly placed in the first molding cavity, the second molding cavity and the third molding cavity corresponding to the stationary mold 2, meanwhile, the corresponding positions of the core are respectively placed at the first positioning groove 41, the first fixing groove 91 and the second fixing groove 92, and the corresponding positions of the core are abutted against the limiting block 221 for limiting and fixing the core.
When the movable mold 1 and the static mold 2 are closed, the molding cavities at corresponding positions are overlapped and form a molding cavity of a required product together with the mold core, and at the moment, the first feeding groove 81 and the second feeding groove 82 are pushed together to form a first feeding hole; the notch of the third feeding groove 83 is respectively abutted against the corresponding positions of the first horizontal section 61 and the first inclined plane 71 to form a second feeding hole together, and the molding material enters the molding cavity through the first feeding hole and the second feeding hole at the same time, so that the sand shooting injection speed is improved, the molding period is reduced, meanwhile, the filling uniformity can be improved due to different feeding positions of the two feeding holes, and the accumulation of one feeding hole is avoided, so that the filling dead angle caused by the sand shooting speed is reduced; meanwhile, the molding material is injected into the cavity formed by the first material supplementing groove 91 and the third material supplementing groove 95, so that the molding material is uniformly filled in the cavity formed by the first molding cavity and the fourth molding cavity, and the molding material is injected into the cavity formed by the second material supplementing groove 92 and the fourth material supplementing groove 96, so that the molding material is uniformly filled in the cavity formed by the second molding cavity and the fifth molding cavity.
In addition, be equipped with cylinder 13 on quiet mould 2, after movable mould 1 and quiet mould 2 laminated each other, cylinder 13 drives pull rod 14 pulling clamp plate 15, and the corresponding position on the clamp plate 15 compresses tightly the butt with the lateral wall of movable mould 1 and quiet mould 2 respectively, can avoid producing the clearance between movable mould 1 and the quiet mould 2 at the sand shooting in-process to influence product quality, simple structure is compact, and the simple operation has improved production efficiency.
The undescribed parts of the present invention are consistent with the prior art, and are not described herein.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent structures made by using the contents of the present specification and the drawings can be directly or indirectly applied to other related technical fields, and are within the scope of the present invention.
Claims (8)
1. The utility model provides a penetrate mandrel, includes movable mould (1) and quiet mould (2), its characterized in that: a first molding cavity is arranged on one side of the movable mold (1), a second molding cavity is arranged on the other side of the movable mold (1), a third molding cavity is arranged at one end between the first molding cavity and the second molding cavity, a first horizontal section (61) and a second horizontal section (62) are arranged in the middle of the movable mold (1), a first inclined surface (71) and a second inclined surface (72) are arranged between the two horizontal sections, a first feeding groove (81) is arranged on the second inclined surface (72), and the first feeding groove (81) is communicated with the corresponding position of the second molding cavity; a first material supplementing groove (91) and a second material supplementing groove (92) are further formed in the movable die (1), the first material supplementing groove (91) is communicated with the first forming groove (21), and the second material supplementing groove (92) is communicated with the second chute (32);
on the static die (2), a fourth molding cavity, a fifth molding cavity and a sixth molding cavity are respectively and correspondingly arranged at positions corresponding to the first molding cavity, the second molding cavity and the third molding cavity, a third horizontal section (63) and a fourth horizontal section (64) are respectively arranged at positions corresponding to the first horizontal section (61) and the second horizontal section (62), a third inclined plane (73) and a fourth inclined plane (74) are respectively arranged at positions corresponding to the first inclined plane (71) and the second inclined plane (72), a second feeding groove (82) is arranged at a position corresponding to the first feeding groove (81), the second feeding groove (82) is communicated with the corresponding position of the fifth molding cavity, and the two feeding grooves are abutted to form a first feeding hole; a third feeding groove (83) is further arranged on the static die (2), the third feeding groove (83) penetrates through a third horizontal section (63) and a third inclined plane (73) and is communicated with the corresponding position of a sixth forming cavity, and a notch of the third feeding groove (83) is respectively abutted against the corresponding positions of the first horizontal section (61) and the first inclined plane (71) to form a second feeding hole together; a third material supplementing groove (95) and a fourth material supplementing groove (96) are further respectively arranged at positions, corresponding to the first material supplementing groove (91) and the second material supplementing groove (92), on the static mould (2), the third material supplementing groove (95) is communicated with the second forming groove (22), and the fourth material supplementing groove (96) is communicated with the fifth chute (35);
the die is characterized in that an air cylinder (13) is arranged at one end of the static die (2), a pull rod (14) is arranged on the air cylinder (13), the static die (2) is penetrated through by the pull rod (14), and a pressing plate (15) is arranged at the penetrating end of the pull rod (14).
2. The core shooting die of claim 1, wherein: the first molding cavity comprises a first straight groove (11), one end of the first straight groove (11) is provided with a communicated first molding groove (21), and one end of the first molding groove (21) is provided with a communicated first inclined groove (31); the second forming cavity comprises a second forming groove (22), a second chute (32) communicated with one end of the second forming groove (22) is arranged at one end of the second chute (32), a third chute (33) communicated with one end of the second chute (32) is arranged at one end of the third chute, and a first positioning groove (41) communicated with one end of the third chute (33) is arranged at one end of the third chute; the third molding cavity comprises a first transition inclined surface (51) and a second transition inclined surface (52), a third transition inclined surface (53) is further arranged between the first transition inclined surface (51) and the second transition inclined surface (52), the first transition inclined surface (51) is communicated with a third chute (33), and the second transition inclined surface (52) is communicated with the first chute (31).
3. The core shooting die of claim 1, wherein: the movable die (1) is provided with a first fixing groove (93) and a second fixing groove (94), the first fixing groove (93) is communicated with the first chute (31), and the second fixing groove (94) is communicated with the third transition inclined surface (53).
4. The core shooting die of claim 1, wherein: the fourth molding cavity comprises a second straight groove (12), one end of the second straight groove (12) is provided with a communicated third molding groove (23), and one end of the third molding groove (23) is provided with a communicated fourth inclined groove (34); the fifth molding cavity comprises a fourth molding groove (24), one end of the fourth molding groove (24) is provided with a communicated fifth chute (35), one end of the fifth chute (35) is provided with a communicated sixth chute (36), and one end of the sixth chute (36) is provided with a communicated second positioning groove (42); the sixth molding cavity comprises a fourth transition inclined surface (54) and a fifth transition inclined surface (55), a sixth transition inclined surface (56) is further arranged between the fourth transition inclined surface (54) and the fifth transition inclined surface (55), the fourth transition inclined surface (54) is communicated with the fourth chute (34), and the fifth transition inclined surface (55) is communicated with the sixth chute (36).
5. The core shooting die of claim 1, wherein: and a third fixing groove (97) and a fourth fixing groove (98) are further respectively arranged at positions, corresponding to the first fixing groove (93) and the second fixing groove (94), on the static die (2), the third fixing groove (97) is communicated with the fourth chute (34), and the fourth fixing groove (98) is communicated with the sixth transition inclined surface (56).
6. The core shooting die of claim 1, wherein: the first feeding chute (81) is communicated with the second chute (32), the second feeding chute (82) is communicated with the fifth chute (35), and the third feeding chute (83) is communicated with the fifth transition inclined plane (55).
7. The core shooting die of claim 4, wherein: a limiting block (221) is arranged on one side of the second forming groove (22), a limiting groove (241) is arranged on one side of the static die (2) corresponding to the position of the limiting block (221), and the limiting groove (241) is communicated with the fourth forming groove (24).
8. The core shooting die of claim 4, wherein: a raised forming block (10) is also arranged between the fourth forming groove (24) and the fifth chute (35).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811328864.0A CN109277524B (en) | 2018-11-09 | 2018-11-09 | Core shooting die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811328864.0A CN109277524B (en) | 2018-11-09 | 2018-11-09 | Core shooting die |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109277524A CN109277524A (en) | 2019-01-29 |
| CN109277524B true CN109277524B (en) | 2020-09-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811328864.0A Active CN109277524B (en) | 2018-11-09 | 2018-11-09 | Core shooting die |
Country Status (1)
| Country | Link |
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| CN (1) | CN109277524B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3096909B1 (en) * | 2019-06-05 | 2021-06-04 | Safran | Improved method of filling a mold. |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5925340U (en) * | 1982-08-03 | 1984-02-16 | アイシン高丘株式会社 | Core type |
| CN202180578U (en) * | 2011-07-11 | 2012-04-04 | 宁波三峰机械电子有限公司 | Plunger plate pressing mold |
| CN203281803U (en) * | 2013-05-10 | 2013-11-13 | 天津达祥精密工业有限公司 | Core box of double-channel entire sand core |
| CN203711756U (en) * | 2014-01-27 | 2014-07-16 | 苏州明志科技有限公司 | Floating split-type locking mechanism for vertical parting cold core box |
| CN204685952U (en) * | 2015-06-08 | 2015-10-07 | 宁波高盛模具制造有限公司 | For the preparation of the main core cold-box of diesel engine mould |
| CN205416185U (en) * | 2016-03-21 | 2016-08-03 | 翡柯机械（福建）有限公司 | Show foaming forming device who improves product production efficiency |
| CN206405386U (en) * | 2016-12-29 | 2017-08-15 | 华东泰克西汽车铸造有限公司 | It is a kind of to improve the core mold for penetrating sand exhaust |
| CN207787629U (en) * | 2017-12-27 | 2018-08-31 | 大连鑫永工业制造有限公司 | A kind of core shooting mold of the shell mould of safe seal cover |
-
2018
- 2018-11-09 CN CN201811328864.0A patent/CN109277524B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5925340U (en) * | 1982-08-03 | 1984-02-16 | アイシン高丘株式会社 | Core type |
| CN202180578U (en) * | 2011-07-11 | 2012-04-04 | 宁波三峰机械电子有限公司 | Plunger plate pressing mold |
| CN203281803U (en) * | 2013-05-10 | 2013-11-13 | 天津达祥精密工业有限公司 | Core box of double-channel entire sand core |
| CN203711756U (en) * | 2014-01-27 | 2014-07-16 | 苏州明志科技有限公司 | Floating split-type locking mechanism for vertical parting cold core box |
| CN204685952U (en) * | 2015-06-08 | 2015-10-07 | 宁波高盛模具制造有限公司 | For the preparation of the main core cold-box of diesel engine mould |
| CN205416185U (en) * | 2016-03-21 | 2016-08-03 | 翡柯机械（福建）有限公司 | Show foaming forming device who improves product production efficiency |
| CN206405386U (en) * | 2016-12-29 | 2017-08-15 | 华东泰克西汽车铸造有限公司 | It is a kind of to improve the core mold for penetrating sand exhaust |
| CN207787629U (en) * | 2017-12-27 | 2018-08-31 | 大连鑫永工业制造有限公司 | A kind of core shooting mold of the shell mould of safe seal cover |
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| Publication number | Publication date |
|---|---|
| CN109277524A (en) | 2019-01-29 |
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