CN220028637U - Insert splicing structure - Google Patents
Insert splicing structure Download PDFInfo
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- CN220028637U CN220028637U CN202321556496.1U CN202321556496U CN220028637U CN 220028637 U CN220028637 U CN 220028637U CN 202321556496 U CN202321556496 U CN 202321556496U CN 220028637 U CN220028637 U CN 220028637U
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- insert
- cambered surface
- side wall
- mold core
- circular groove
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- 229910003460 diamond Inorganic materials 0.000 claims description 3
- 239000010432 diamond Substances 0.000 claims description 3
- 238000004512 die casting Methods 0.000 abstract description 21
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 description 6
- 239000002184 metal Substances 0.000 description 5
- 238000000465 moulding Methods 0.000 description 4
- 238000005266 casting Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005242 forging Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000005495 investment casting Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model relates to the technical field of die casting die manufacturing, in particular to an insert splicing structure; the mold insert comprises an insert and a mold core, wherein the insert is arranged on the mold core through a positioning block, a fourth side wall cambered surface is further arranged on a first edge between a third side wall cambered surface and a side wall straight surface of the insert, the top of the fourth side wall cambered surface is connected with the top plane of the insert, an arc notch is further arranged on a second edge formed by connecting one side of the third side wall cambered surface with the first side wall cambered surface, the problem that the mold is difficult to pull out due to overlarge height difference is solved, burrs are prevented from being generated on the bottom surface of the mold core during operation, and the burrs are prevented from being generated on the side surface of the periphery of the insert and are better cleaned and removed than the burrs on the bottom surface of the mold core.
Description
Technical Field
The utility model relates to the technical field of die casting die manufacturing, in particular to an insert splicing structure.
Background
The die casting is a precision casting method which utilizes high pressure to force molten metal into a metal die with complex shape, and is characterized in that the high pressure is applied to molten metal by utilizing the inner cavity of the die, and the die casting method is one of the metal hot working forming technological methods which are most widely applied and have the highest development speed in the casting technology.
The die casting is a precise casting method, the dimensional tolerance of a die casting cast through die casting is very small, the surface precision is very high, in most cases, the die casting can be assembled and applied without turning, threaded parts can be directly cast, and the high precision and high efficiency of die casting are widely applied to industrial production, so that parts with complex and high precision are mainly produced.
The die casting die is a tool for casting metal parts, and is a tool for completing a die casting process on a special die casting die forging machine, and the die casting comprises three production elements: the correct rationality of the structure is a prerequisite for the smooth production of the three main production elements, namely a die casting material, a die casting machine, a die casting die, which is commonly used for producing housing parts of motors, engines.
The insert is a detachable part fixedly arranged in the die core cavity of the die, is mainly used for facilitating the modification of key parts of the die at the pre-modification position, is convenient for the air exhaust and demolding of the die, and prolongs the service life of the vulnerable part of the die.
In a housing dovetail insert structure with the publication number of CN219055014U, an insert of the technology is arranged between parting surfaces at a higher height difference, so that the molding difficulty is reduced, but in the die casting process, the problem that burrs which are difficult to remove are generated on the bottom surface of a die core with a lower height between the parting surfaces cannot be solved by the dovetail insert of the technology, so that the problems of reducing the production precision and the production efficiency can be solved.
Disclosure of Invention
The utility model provides an insert splicing structure, which solves the problems that burrs which are difficult to remove are generated on the bottom surface of a die core in the background art, so that the production precision and the production efficiency are reduced.
In order to solve the problems, the utility model provides the following technical scheme:
the utility model provides an insert splicing structure which comprises a mold core and an insert, wherein the insert main body is of a block-shaped structure with a diamond-shaped cross section, a square positioning block is arranged at the bottom of the insert main body, a third side wall cambered surface of the insert is concentric with a first circular groove formed in the mold core, a second side wall cambered surface of the insert is concentric with a second circular groove formed in the mold core, the first side wall cambered surface of the insert is concentric with the third circular groove, a side wall straight surface of the insert is a rectangular plane, a fourth side wall cambered surface is further arranged on one edge between the third side wall cambered surface and the side wall straight surface, and the top of the fourth side wall cambered surface is connected with the top plane of the insert.
The mold core is characterized in that an arc-shaped opening is formed in one end of the mold core, a first circular groove is formed in one end, close to the arc-shaped opening, of the mold core, and a first concentric round table is arranged in the first circular groove. The one end that keeps away from the arc mouth on the mold core is equipped with the second circular slot, be equipped with endocentric second round platform in the second circular slot, just be located the upper portion of first round platform on the centre of a circle vertical direction of second round platform, still be equipped with the third circular slot on the mold core between first round platform and the second round platform, be equipped with endocentric third round platform in the third circular slot.
The mold core is a motor shell male mold, the mold core is inserted into a positioning groove formed in the mold core, the main body of the insert is of a block-shaped structure with a diamond cross section, a positioning block arranged at the bottom of the insert is correspondingly arranged in the positioning groove formed in the mold core, the insertion structure of the positioning block and the positioning groove is used for fixing the insert on the mold core, and the square positioning block and the square positioning groove can limit the rotation of the positioning block. The first circular groove, the second circular groove and the third circular groove which are arranged on the mold core are the main part of the motor shell and the positioning mechanism, and the insert is positioned among the first circular groove, the second circular groove and the third circular groove and used for adjusting the key position parameters of the motor shell.
The mold insert is formed by encircling a first side wall cambered surface, a second side wall cambered surface, a third side wall cambered surface, a fourth side wall cambered surface and a side wall straight surface except for the bottom and the top, wherein the first side wall cambered surface is a side wall of the cambered surface, the circle center of the cambered surface of the first side wall cambered surface is concentric with the circle center of the corresponding third circular groove, the second side wall cambered surface is also a side wall of the cambered surface, the circle center of the cambered surface of the second side wall cambered surface is concentric with the circle center of the corresponding second circular groove, the third side wall cambered surface is also a side wall of the cambered surface, the circle center of the cambered surface of the third side wall cambered surface is concentric with the circle center of the corresponding first circular groove, the second circular groove and the third circular groove, and the cambered surface of the side wall straight surface is a rectangular plane.
Meanwhile, the first edge is formed by connecting the cambered surface of the third side wall with one side of the straight surface of the side wall, the first edge cuts off the cambered surface of the third side wall and the straight surface of the side wall, and faces the first circular groove, when the insert is inserted on the mold core, the first edge is closer to the first circular groove, and the height difference between the top surface of the insert and the bottom surface of the mold core between the first edge and the first circular groove is larger, so that the difficult mold drawing can occur, the top plane of the insert is provided with the cambered surface of the fourth side wall along the first edge, the top of the cambered surface of the fourth side wall is connected with the top plane of the insert for transition of the top plane of the insert and the height difference formed by the bottom surface of the mold between the first edge and the first circular groove, and the difficult mold drawing forming problem at the position is solved.
And an arc notch is arranged at the upper part of the second edge between the third side wall cambered surface and the first side wall cambered surface.
Preferably, the third side wall cambered surface is connected with one side of the first side wall cambered surface to form an edge II, the top surface of the insert is provided with an arc notch along the edge II, and the arc notch is used for transiting the top surface of the insert and the edge II, so that the problem of damage caused by overlarge stress of the edge II is reduced.
The mold core is provided with a square positioning groove corresponding to the square positioning block, the positioning groove is positioned in the middle of the mold core and close to the first circular groove and the third circular groove, a through hole perpendicular to the mold core is arranged in the positioning groove, and the positioning block is provided with a single through hole corresponding to the through hole.
Preferably, the positioning groove is located between the first circular groove, the second circular groove and the third circular groove in the middle of the mold core, is close to the first circular groove and the third circular groove, is used for inserting the insert into the positioning groove, and is used for transiting the height difference formed by the first round table, the second round table and the bottom surface of the mold between the first round table and the second round table, so that the problem that the drawing and molding are difficult is avoided. The positioning groove is internally provided with a through hole which vertically penetrates through the mold core, the positioning block of the mold insert is provided with a single through hole, and the single through hole extends to the middle part of the mold insert from the surface of the positioning block vertically to the positioning block and corresponds to the through hole.
Compared with the prior art, the utility model has the beneficial effects that:
when the insert is not inserted on the mold core and begins to perform die casting, the bottom surface area where the mold core positioning groove is located has the problem that the first round table is difficult to draw out of the mold due to the short distance between the first round table and the bottom surface of the mold core and the large height difference, burrs which are difficult to clean and remove are easily generated on the bottom surface of the mold core, so that the die casting working efficiency is greatly influenced, and when the insert is inserted on the mold core, the insert can be used for transiting the height difference between the first round table and the bottom surface of the mold core and the height difference between the third round table and the bottom surface of the mold core; during operation, burrs are prevented from being generated on the bottom surface of the mold core, so that the burrs are generated on the side surface of the periphery of the insert, and the burrs are better cleaned and removed compared with the burrs on the bottom surface of the mold core.
Drawings
Fig. 1 is a schematic front view of an insert body structure according to an embodiment of the present utility model.
Fig. 2 is a schematic side view of an insert body structure according to one embodiment of the present utility model.
Fig. 3 is a schematic top view of an insert body structure according to one embodiment of the present utility model.
FIG. 4 is a schematic top view of a mold core body structure according to one embodiment of the present utility model.
FIG. 5 is a schematic cross-sectional view of the core body structure A-A of FIG. 4.
In the figure: insert 1, side wall straight surface 1.1, fourth side wall cambered surface 1.2, locating block 1.3, single through hole 1.4, insert top 1.5, arc breach 1.6, insert bottom 1.7, edge one 1.8, side wall straight surface 1.9, third side wall cambered surface 1.10, first side wall cambered surface 1.11, second side wall cambered surface 1.12, edge two 1.13, mold core 2, arc mouth 2.1, first circular groove 2.2, first circular platform 2.2.1, second circular groove 2.3, second circular platform 2.3.1, third circular groove 2.4, third circular platform 2.4.1, constant head tank 2.5, through hole 2.6.
Detailed Description
The following description of the embodiments of the present utility model will be made with reference to the accompanying drawings, in which the technical solutions of the embodiments of the present utility model will be clearly and completely described, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1, 2, 3, 4 and 5, the present embodiment is an insert mosaic structure, which includes an insert 1 and a mold core 2.
As shown in fig. 1, the main body of the insert 1 is of a block structure with a diamond-shaped cross section, a square positioning block 1.3 is arranged at the bottom 1.7 of the insert, a third side wall cambered surface 1.10 of the insert is concentric with a first circular groove 2.2 arranged at the mold core 2, a second side wall cambered surface 1.12 is concentric with a second circular groove 2.3 arranged at the mold core, a first side wall cambered surface 1.11 arranged at the insert is concentric with a third circular groove 2.4, a side wall straight surface 1.9 is a rectangular plane, a fourth side wall cambered surface 1.2 is further arranged on an edge 1.8 between the third side wall cambered surface 1.10 and the side wall straight surface 1.9, and the top of the fourth side wall cambered surface 1.2 is connected with a plane curved surface of the top 1.5 of the insert.
Further, the fourth side wall cambered surface 1.2 is a vertical oblong arc surface shape, and the top of the fourth side wall cambered surface is connected with the plane of the top 1.5 of the insert.
Further, the height of the fourth side wall cambered surface 1.2 is 0.5 to 0.75 times that of the first edge 1.8 of the insert, the fourth side wall cambered surface 1.2 is beneficial to reducing the problem of overlarge stress caused by the first edge 1.8, and meanwhile, the fourth side wall cambered surface 1.2 enables the first edge 1.8 to be in a step shape, so that the problem of relieving and transition of height difference is facilitated.
As shown in fig. 3, the insert 1 includes, besides the bottom and the top, a first side wall cambered surface 1.11, a second side wall cambered surface 1.12, a third side wall cambered surface 1.10, a fourth side wall cambered surface 1.2, and a side wall straight surface 1.9, where the insert is surrounded by the first side wall cambered surface 1.11, the second side wall cambered surface 1.12, the third side wall cambered surface 1.10, and the side wall straight surface 1.9, the first side wall cambered surface 1.11 is a cambered surface side wall, and the center of the cambered surface of the first side wall cambered surface is concentric with the center of the third circular groove 2.4, the second side wall cambered surface 1.12 is also a cambered surface side wall, and the center of the cambered surface of the second side wall cambered surface is concentric with the center of the second circular groove, the third side wall cambered surface 1.10 is also a cambered surface side wall, and the third side wall cambered surface is concentric with the center of the first circular groove 2.2, and the side wall straight surface 1.9 is a rectangular plane, and the center of the cambered surface 1.11 is concentric with the center of the second circular groove 2.2, and the center of the circular groove 2.2 is concentric with the center of the second circular groove 2.2, and the circular groove 2.2 is a die-casting product.
Further, the circle center of the arc surface of the first side wall arc surface 1.11 is concentric with the circle center of the third circular groove 2.4, and the height of the first side wall arc surface 1.11 is the same as the height of the outer wall of the third circular groove 2.4, so that the first side wall arc surface 1.11 is connected into a notch of the outer wall of the third circular groove 2.4, and the integrity of a product during die casting is improved.
Further, an extension line of a longitudinal section line of the straight surface 1.9 of the side wall passes through the center of the third circular groove 2.4, and the appearance structure of the product can be standardized.
As shown in FIG. 2, the first side wall cambered surface 1.10 and the side wall straight surface side are connected to form an edge first 1.8, the edge first cuts off the third side wall cambered surface 1.10 and the side wall straight surface 1.9, the edge first 1.8 faces the first circular groove 2.2, when the insert is inserted on the mold core, the distance between the edge first and the first circular groove is relatively short, and the height difference between the top surface of the insert and the bottom surface of the mold core between the edge first and the first circular groove is relatively large, so that the problem of difficult mold drawing occurs, the top 1.5 plane of the insert is provided with a fourth side wall cambered surface 1.2 along the edge first 1.8, and the top 1.2 of the fourth side wall cambered surface is connected with the top 1.5 plane of the insert for transiting the height difference formed by the top 1.5 plane of the insert and the bottom surface of the mold core between the edge first 1.8 and the first circular groove 2.2, and the problem of difficult mold drawing forming at the position is solved.
The upper part of the second edge 1.13 between the third side wall cambered surface 1.10 and the first side wall cambered surface 1.11 is provided with an arc notch 1.6. The third side wall cambered surface 1.10 is connected with one side of the first side wall cambered surface 1.11 to form an edge second 1.13, an arc notch 1.6 is formed in the top surface of the insert along the edge second, and the arc notch 1.6 is used for transiting the top surface of the insert and the edge second 1.13, so that the problem of damage caused by overlarge stress of the edge second is solved.
Further, an arc notch 1.6 is arranged on a second edge formed by the third side wall cambered surface 1.10 and one side of the first side wall cambered surface 1.11, the arc notch is positioned at one end of the second edge close to the top of the insert, and the arc notch is formed by being positioned at the arc notch of the second edge and sinking towards the center of the insert.
Further, the height of the arc notch 1.6 is 0.25 to 0.5 times of the height of the second edge, the arc notch enables the second edge 1.13 to be in a ladder shape, the problem that the second edge is easy to damage due to stress concentration is effectively reduced, and the second ladder-shaped edge effectively transits the height difference formed by the bottom surface of the mold core and the top plane of the insert, so that the problem of difficult mold drawing caused by overlarge height difference is solved.
As shown in fig. 4, the mold core 2 in this embodiment is a male mold of a motor housing, the mold core is inserted into a positioning groove 2.5 provided in the mold core, the shape of the main body of the insert is a block structure with a diamond cross section, a positioning block 1.3 provided at the bottom of the insert is correspondingly installed in the positioning groove 2.5 provided in the mold core, the insertion structure of the positioning block 1.3 and the positioning groove is used for fixing the insert on the mold core 2, and the square positioning block and the positioning groove can limit the rotation of the positioning block. The first round groove 2.2, the second round groove 2.3 and the third round groove which are arranged on the mold core are the main part of the motor shell and the positioning mechanism, and the insert is positioned among the first round groove, the second round groove and the third round groove and used for adjusting the key position parameters of the motor shell.
One end of the mold core is provided with an arc-shaped opening 2.1, one end, close to the arc-shaped opening, of the mold core is provided with a first circular groove, and a first concentric round platform 2.2.1 is arranged in the first circular groove 2.2. The one end that keeps away from the arc mouth on the mold core is equipped with second circular slot 2.3, be equipped with endocentric second round platform 2.3.1 in the second circular slot, just be located the upper portion of first round platform in the centre of a circle vertical direction of second round platform, still be equipped with third circular slot 2.4 on the mold core between first round platform 2.2.1 and second round platform 2.3.1, be equipped with endocentric third round platform 2.4.1 in the third circular slot.
Further, the height of the insert is 0.6 to 0.9 times of the average height of the first round table, the second round table and the third round table, so that the top plane of the insert can be in transition with the height difference of the first round table, the second round table, the third round table and the bottom surface of the mold core on the premise of not affecting the molding quality of a product.
As shown in FIG. 5, the positioning groove 2.5 is located between the first circular groove, the second circular groove and the third circular groove in the middle of the mold core, and is close to the first circular groove and the third circular groove, and is used for inserting the insert into the positioning groove, and the height difference formed by the first round table, the second round table and the bottom surface of the mold between the first round table and the second round table is transited, so that the problem of difficult drawing and molding at the position is avoided. The positioning groove is internally provided with a through hole 2.6 which vertically penetrates through the mold core, the positioning block of the insert is provided with a single through hole 1.4, and the single through hole extends to the middle part of the insert from the surface of the positioning block vertically to the positioning block and corresponds to the through hole.
The foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, and any simple modification, variation and equivalent transformation made to the above embodiment according to the technical substance of the present utility model still fall within the scope of the technical solution of the present utility model.
Claims (8)
1. The utility model provides an mold insert inlays structure, its characterized in that includes mold core (2) and mold insert (1), the mold insert main part is the cubic structure that the cross section is the diamond, and the bottom is equipped with square locating piece (1.3), just third lateral wall cambered surface (1.10) of mold insert with first circular slot (2.2) that the mold core established, and second lateral wall cambered surface (1.12) are concentric with second circular slot (2.3) that the mold core established, just still be equipped with fourth lateral wall cambered surface (1.2) on edge (1.8) between third lateral wall cambered surface and the lateral wall straight face (1.9), just fourth lateral wall cambered surface top with mold insert top (1.5) plane connection.
2. The insert mosaic structure according to claim 1, wherein the first sidewall cambered surface (1.11) provided by the insert is concentric with the third circular groove (2.4), and the sidewall straight surface (1.9) is a rectangular plane.
3. The insert mosaic structure according to claim 1 or 2, wherein the third side wall cambered surface (1.10) and one end of the first side wall cambered surface form an edge two (1.13), and an arc notch (1.6) is arranged at the upper part of the edge two.
4. The insert mosaic structure according to claim 1, wherein the mold core (2) is provided with a square positioning groove (2.5) corresponding to the positioning block (1.3), a through hole (2.6) perpendicular to the mold core is arranged in the positioning groove, and the positioning block is provided with a single through hole (1.4) corresponding to the through hole.
5. The insert mosaic structure according to claim 4, wherein one end of the mold core is provided with an arc opening (2.1), the first circular groove (2.2) is disposed at one end of the mold core near the arc opening, and a concentric first circular table (2.2.1) is disposed in the first circular groove.
6. The insert mosaic structure according to claim 5, wherein the second circular groove (2.3) is disposed at an end of the mold core far away from the arc opening (2.1), a concentric second circular table (2.3.1) is disposed in the second circular groove, and a center of the second circular table is located at an upper portion of the first circular table (2.2.1) in a vertical direction.
7. The insert mosaic structure according to claim 5, wherein a third circular groove (2.4) is further provided on the mold core (2) between the first circular truncated cone (2.2.1) and the second circular truncated cone (2.3.1), and a concentric third circular truncated cone (2.4.1) is provided in the third circular groove.
8. The insert mosaic structure according to claim 7, wherein the positioning groove (2.5) is located in the middle of the mold core near the first circular groove (2.2) and the third circular groove (2.4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321556496.1U CN220028637U (en) | 2023-06-19 | 2023-06-19 | Insert splicing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321556496.1U CN220028637U (en) | 2023-06-19 | 2023-06-19 | Insert splicing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220028637U true CN220028637U (en) | 2023-11-17 |
Family
ID=88744873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321556496.1U Active CN220028637U (en) | 2023-06-19 | 2023-06-19 | Insert splicing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220028637U (en) |
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2023
- 2023-06-19 CN CN202321556496.1U patent/CN220028637U/en active Active
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