CN213437094U - Die-casting die for forming high-strength magnesium bracket - Google Patents
Die-casting die for forming high-strength magnesium bracket Download PDFInfo
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- CN213437094U CN213437094U CN202022459369.2U CN202022459369U CN213437094U CN 213437094 U CN213437094 U CN 213437094U CN 202022459369 U CN202022459369 U CN 202022459369U CN 213437094 U CN213437094 U CN 213437094U
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Abstract
The utility model discloses a die casting die for molding a high-strength magnesium bracket, which comprises an upper die and a lower die, wherein the upper die is movably arranged on the lower die up and down; the lower die comprises a base, a lower die plate and a lower die core, and the lower die plate is provided with a guide column hole, an exhaust groove and a spreader cone; the lower mold core is provided with a molding cavity for molding a product, and a positioning groove is formed between the lower mold core and the lower template; the upper die comprises an upper die plate and an upper die core, guide pillars are assembled on corners of the upper die plate and movably inserted into guide pillar holes, and an exhaust block is arranged on the right side of the upper die core and can be movably arranged in the exhaust groove up and down along with the upper die plate; the upper mold core is provided with a molding block matched with the molding cavity, and the upper mold core is provided with a filling port, a positioning lug and a main runner; the main runner is provided with a plurality of branch runners which are connected with the forming block and distributed in rows. The die-casting mould can make the die-casting material be full of the die cavity rapidly, and the material can not fly in the exhaust moreover, and precision positioning controls simultaneously.
Description
Technical Field
The utility model belongs to the technical field of the mould technique and specifically relates to indicate a die casting die for shaping high-strength magnesium support.
Background
The magnesium alloy has good fluidity, low specific heat and fast solidification, so the injection time is short when the magnesium alloy is die-cast, and the gate speed is high. Based on the characteristics of magnesium alloy during die casting, the magnesium alloy die casting die needs to enable a die casting material to be quickly filled in a forming cavity, exhaust cannot be carried out, and meanwhile precision positioning control is good.
Disclosure of Invention
In view of this, the present invention provides a die casting mold for forming a high strength magnesium bracket, which not only can make the die casting material be filled with the forming cavity rapidly, but also can exhaust without material flying, and has good precision positioning control, thereby overcoming the disadvantages of the prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the application provides a die-casting die for forming a high-strength magnesium bracket, which comprises an upper die and a lower die, wherein the upper die is movably arranged on the lower die up and down; the lower die comprises a base, a lower die plate arranged on the base and a lower die core arranged on the lower die plate, wherein the lower die plate is provided with guide pillar holes, an exhaust duct and a spreader cone; the lower mold core is provided with a molding cavity for molding a product, a notch is arranged on the corner of the lower mold core, and a positioning groove is formed between the notch and the lower template; the upper die comprises an upper die plate and an upper die core arranged on the upper die plate, guide posts are assembled on corners of the upper die plate and can be inserted into the guide post holes along with the upper die plate in a vertically movable manner, and an exhaust block is arranged on the right side of the upper die core and can be arranged in the exhaust groove along with the upper die plate in a vertically movable manner; the upper mold core is provided with a molding block matched with the molding cavity, the upper mold core is provided with a filling port, a positioning lug and a main runner, the positioning lug is arranged on a corner of the upper mold core and can movably extend into the positioning groove up and down along with the upper mold plate, and the filling port is respectively communicated with the molding cavity and the main runner through a spreader cone; the main runner is provided with a plurality of branch runners which are connected with the forming block and distributed in rows.
Preferably, the die casting mold for molding the high-strength magnesium bracket is provided with four guide posts and four guide post holes, and the four guide posts are inserted into the corresponding guide post holes for positioning.
Preferably, the die casting mold for molding the high-strength magnesium bracket is provided with four positioning lugs and four positioning grooves, and the four positioning lugs extend into the corresponding positioning grooves for positioning.
Preferably, the die casting die for molding the high-strength magnesium support is provided with a plurality of exhaust blocks and exhaust grooves which are distributed in a row shape.
Preferably, the die casting die for molding the high-strength magnesium support is characterized in that the exhaust block is a trapezoidal convex block, and the exhaust groove is a trapezoidal groove matched with the exhaust block.
Further, the die-casting die for forming the high-strength magnesium bracket is characterized in that an inclined surface is arranged in the branch flow passage, and the inclined surface inclines towards the inside of the upper die core.
Furthermore, the upper template and the lower template of the die-casting die for molding the high-strength magnesium bracket are also provided with a plurality of cooling pipe interfaces.
Further, the die casting die for molding the high-strength magnesium support is characterized in that the lower die further comprises an ejector pin supporting plate arranged on the base, an ejector pin plate arranged on the ejector pin supporting plate and an ejector pin assembled on the ejector pin plate.
Compared with the prior art, the utility model obvious advantage and beneficial effect have, particularly, can know by above-mentioned technical scheme, go up mould and lower mould compound die after die-casting material from the sprue after getting into through the sprue spreader to sprue, die-casting material shunts a plurality of branch runners from the sprue after that. The design of the branch runners allows the die casting material to fill the molding cavity quickly from multiple paths. The guide posts are inserted into the corresponding guide post holes to realize the positioning control of the mold closing precision of the upper mold and the lower mold; the positioning lug extends into the corresponding positioning groove to realize the precision positioning control of the closing of the upper mold core and the lower mold core, so that the die-casting mold for molding the high-strength magnesium support has good precision positioning. The exhaust block can be movably arranged in the exhaust groove up and down along with the upper die plate, when the upper die and the lower die are closed, the exhaust block is pressed into the exhaust groove, the exhaust blocks and the exhaust groove are combined together, the path and the direction of gas exhaust are changed, and then the die casting material cannot fly out when exhausting.
To illustrate the structural features and functions of the present invention more clearly, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
Drawings
Fig. 1 is an overall schematic diagram of an embodiment of the present invention.
Fig. 2 is a schematic view of an upper mold according to an embodiment of the present invention.
The attached drawings indicate the following:
100. lower die 101, base
102. Lower die plate 103 and lower die core
104. Guide post hole 105 and exhaust groove
106. Diverging cone 107 and forming cavity
108. Notch 109, positioning groove
110. Cooling pipe interface 111, thimble
112. Ejector retainer plate 113, ejector retainer plate
200. Upper die 201 and upper die plate
202. Upper mold core 203 and exhaust block
204. Forming block 205, sprue
206. Positioning bump 207 and main flow channel
208. Branch flow channel 209 and guide post
210. A bevel.
Detailed Description
Referring to fig. 1 to 2, a specific structure of a preferred embodiment of the present invention is shown, which is a die casting mold for forming a high strength magnesium bracket.
After the upper die and the lower die are assembled, die-casting materials enter from the injection port and then flow to the main runner through the sprue spreader, and then the die-casting materials are distributed to the branch runners from the main runner. The design of the branch runners allows the die casting material to fill the molding cavity quickly from multiple paths. The guide posts are inserted into the corresponding guide post holes to realize the precision positioning control of the die assembly of the upper die and the lower die; the positioning lug extends into the corresponding positioning groove to realize the precision positioning control when the upper mold core and the lower mold core are closed, so that the die-casting mold for molding the high-strength magnesium support has good precision positioning. The exhaust block can be movably arranged in the exhaust groove up and down along with the upper die plate, the exhaust block is pressed into the exhaust groove when the upper die and the lower die are assembled, and the exhaust blocks and the exhaust groove are combined together, so that the exhaust path and direction of gas are changed during exhaust, the die casting material cannot fly out during exhaust, and the problem of easy material flying during exhaust in the die casting process is solved.
For a better understanding of the present teachings, reference is made to the following detailed description taken in conjunction with the accompanying drawings.
Examples
As shown in fig. 1 to 2, the die-casting mold for molding the high-strength magnesium bracket includes an upper mold 200 and a lower mold 100, wherein the upper mold 200 is movably disposed on the lower mold 100 up and down; the lower die 100 comprises a base 101, a lower template 102 arranged on the base 101 and a lower die core 103 arranged on the lower template 102, wherein the lower template 102 is provided with guide pillar holes 104, exhaust grooves 105 and a shunting cone 106, the guide pillar holes 104 are arranged on the corners of the lower template 102, the exhaust grooves 105 are arranged on the right side of the lower die core 103, and the shunting cone 106 is arranged on the left side of the lower die core 103; a molding cavity 107 for product molding is arranged on the lower mold core 103, a notch 108 is arranged on the corner of the lower mold core 103, and a positioning groove 109 is formed between the notch 108 and the lower mold plate 102; the upper mold 200 comprises an upper mold plate 201 and an upper mold core 202 arranged on the upper mold plate 201, guide posts 209 are arranged on the corners of the upper mold plate 201, the guide posts 209 can be inserted into the guide post holes 104 along with the upper mold plate 201 in a vertically movable manner, an exhaust block 203 is arranged on the right side of the upper mold core 202, and the exhaust block 203 can be arranged in the exhaust groove 105 along with the upper mold plate 201 in a vertically movable manner; the upper mold core 202 is provided with a molding block 204 matched with the molding cavity 107, the upper mold core 202 is provided with a filling port 205, a positioning lug 206 and a main runner 207, the positioning lug 206 is arranged on the corner of the upper mold core 202 and can movably extend into the positioning groove 109 up and down along with the upper mold plate 201, and the filling port 205 is respectively communicated with the molding cavity 107 and the main runner 207 through a spreader 106; the main channel 207 is provided with a plurality of branch channels 208 connected to the molding block 204, and the branch channels 208 are distributed in rows. The injection port 205 is communicated with the molding cavity 107 and the main runner 207 through the diversion cone 106 respectively, after the upper die 200 and the lower die 100 are closed, the die-casting material enters from the injection port 205 and then enters the main runner 207 through the diversion cone 106, then the die-casting material is diverted to the branch runners 208 in the main runner 207 and enters the molding cavity 107, and the die-casting material enters the molding cavity 107 from the branch runners 208, so that the time for the die-casting material to fill the molding cavity 107 is shorter, and the molding cavity 107 can be filled with the die-casting material more quickly. The guide post 209 is inserted into the corresponding guide post hole 104 to control the mold closing precision positioning of the upper mold 200 and the lower mold 100; the positioning bump 206 extends into the corresponding positioning groove 109 to control the closing precision positioning of the upper mold core 202 and the lower mold core 103, and the precision positioning of the die-casting mold for molding the high-strength magnesium bracket is well controlled by the control of the two precision positioning. The exhaust block 203 can be movably arranged in the exhaust groove 105 up and down along with the upper die plate 201, when the upper die 200 and the lower die 100 are closed, the exhaust block 203 is pressed into the exhaust groove 105, and the exhaust blocks 203 and the exhaust groove 105 are combined together, so that the exhaust path is lengthened, the exhaust direction and the flow rate of gas are changed, and the die casting material cannot fly out during exhaust.
Preferably, the die casting mold for molding the high-strength magnesium bracket has four guide posts 209 and four guide post holes 104, and the four guide posts 209 are inserted into the corresponding guide post holes 104 for positioning. The guide posts 209 are inserted into the corresponding guide post holes 104 to control the precision positioning of the die assembly of the upper die 200 and the lower die 100, and the guide posts 209 are arranged at the four corners to ensure the balanced stress during the die assembly, thereby ensuring the die assembly precision.
Preferably, the die casting mold for molding the high-strength magnesium bracket has four positioning protrusions 206 and four positioning grooves 109, and the four positioning protrusions 206 extend into the corresponding positioning grooves 109 for positioning. The positioning convex blocks 206 extend into the corresponding positioning grooves 109 to control the positioning of the closing precision of the upper mold core 202 and the lower mold core 103, and the positioning convex blocks 206 are arranged at four corners to ensure that the stress is balanced when the upper mold core 202 and the lower mold core 103 are closed, so that the closing precision is ensured.
Preferably, the die casting die for molding the high-strength magnesium bracket is provided with a plurality of exhaust blocks 203 and exhaust grooves 105, and the exhaust blocks 203 and the exhaust grooves 105 are distributed in a row shape. The exhaust blocks 203 and the exhaust grooves 105 are arranged in rows, when the exhaust blocks 203 are inserted into the exhaust grooves 105, the exhaust path is lengthened, the flow direction of gas is changed during exhaust, the gas exhaust speed is reduced due to the change of the exhaust direction, and material flying during gas exhaust is avoided.
Preferably, in the die-casting mold for molding the high-strength magnesium bracket, the exhaust block 203 is a trapezoidal convex block, and the exhaust groove 105 is a trapezoidal groove matched with the exhaust block 203. The design of trapezoidal lug and trapezoidal recess makes can inseparabler when inserting, and trapezoidal side has certain angle of inclination simultaneously, can let the gas flow smooth-going, avoids the air hammer effect.
Further, in the die-casting mold for forming the high-strength magnesium bracket, a slope 210 is provided in the branch runner 208, and the slope 210 is inclined toward the inside of the upper mold core 202. The slope 210 is inclined towards the inside of the upper mold core 202, on one hand, when the die casting material is injected, the flow rate can be changed through the slope 210, so that the injection speed of the die casting material is higher under the same pressure, on the other hand, the slope 210 is arranged to guide the flow, so that the die casting material is in smooth transition, and the hammering effect between the die casting material and the branch flow passage 208 is avoided.
Further, in the die-casting mold for molding the high-strength magnesium bracket, the upper mold plate 201 and the lower mold plate 102 are further provided with a plurality of cooling pipe interfaces 110. The cooling medium is introduced into the die-casting die through the cooling pipe interface 110, so that the product can be cooled, the product can be molded as soon as possible, and the production efficiency is improved.
Further, the die casting mold for molding the high-strength magnesium support, the lower mold 100 further includes an ejector pin support plate 112 disposed on the base 101, an ejector pin plate 113 disposed on the ejector pin support plate 112, and an ejector pin 111 assembled on the ejector pin plate 113. The ejector supporting plate 112 supports the ejector plate 113, and the ejector pins 111 are assembled on the ejector plate 113, so that the ejector pins 111 can eject the product conveniently.
To sum up, the design of the present invention is characterized in that the die-casting material enters from the injection port 205 and then flows to the main runner 207 through the sprue spreader 106 after the upper mold 200 and the lower mold 100 are closed, and then the die-casting material is divided to the plurality of branch runners 208 from the main runner 207. The design of the branch runners 208 allows the die casting material to fill the molding cavity 107 quickly from multiple paths. The guide posts 209 are inserted into the corresponding guide post holes 104, so that the precision positioning control of the upper die 200 and the lower die 100 during die assembly is realized; the positioning bump 206 extends into the corresponding positioning groove 109, so that the precision positioning control of the closing of the upper mold core 202 and the lower mold core 103 is realized, and the precision positioning of the die-casting mold for molding the high-strength magnesium bracket is good. The exhaust block 203 can be movably arranged in the exhaust groove 105 up and down along with the upper die plate 201, when the upper die 200 and the lower die 100 are closed, the exhaust block 203 is pressed into the exhaust groove 105, and the exhaust blocks 203 and the exhaust groove 105 are combined together, so that the exhaust path and direction are changed, and the die casting material cannot fly out during exhaust.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.
Claims (8)
1. The utility model provides a die casting die for shaping high-strength magnesium support which characterized in that: comprises an upper die and a lower die, wherein the upper die is movably arranged on the lower die up and down; the lower die comprises a base, a lower die plate arranged on the base and a lower die core arranged on the lower die plate, wherein the lower die plate is provided with guide pillar holes, an exhaust duct and a spreader cone; the lower mold core is provided with a molding cavity for molding a product, a notch is arranged on the corner of the lower mold core, and a positioning groove is formed between the notch and the lower template; the upper die comprises an upper die plate and an upper die core arranged on the upper die plate, guide posts are assembled on corners of the upper die plate and can be inserted into the guide post holes along with the upper die plate in a vertically movable manner, and an exhaust block is arranged on the right side of the upper die core and can be arranged in the exhaust groove along with the upper die plate in a vertically movable manner; the upper mold core is provided with a molding block matched with the molding cavity, the upper mold core is provided with a filling port, a positioning lug and a main runner, the positioning lug is arranged on a corner of the upper mold core and can movably extend into the positioning groove up and down along with the upper mold plate, and the filling port is respectively communicated with the molding cavity and the main runner through a spreader cone; the main runner is provided with a plurality of branch runners which are connected with the forming block and distributed in rows.
2. The die casting mold for molding the high-strength magnesium bracket as claimed in claim 1, wherein: the guide posts and the guide post holes are four in number, and the four guide posts are inserted into the corresponding guide post holes for positioning.
3. The die casting mold for molding the high-strength magnesium bracket as claimed in claim 1, wherein: the number of the positioning lugs and the number of the positioning grooves are four respectively, and the four positioning lugs extend into the corresponding positioning grooves for positioning.
4. The die casting mold for molding the high-strength magnesium bracket as claimed in claim 1, wherein: the exhaust block and the exhaust groove are provided with a plurality of exhaust blocks and exhaust grooves which are distributed in a row shape.
5. The die casting mold for molding the high-strength magnesium bracket as claimed in claim 1, wherein: the exhaust block is a trapezoidal convex block, and the exhaust groove is a trapezoidal groove matched with the exhaust block.
6. The die casting mold for molding the high-strength magnesium bracket as claimed in claim 1, wherein: an inclined surface is arranged in the branch flow passage, and the inclined surface inclines towards the inner part of the upper mold core.
7. The die casting mold for molding the high-strength magnesium bracket as claimed in claim 1, wherein: and a plurality of cooling pipe interfaces are also arranged on the upper template and the lower template.
8. The die casting mold for molding the high-strength magnesium bracket as claimed in claim 1, wherein: the lower die further comprises a thimble supporting plate arranged on the base, an ejector plate arranged on the thimble supporting plate and a thimble assembled on the ejector plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022459369.2U CN213437094U (en) | 2020-10-29 | 2020-10-29 | Die-casting die for forming high-strength magnesium bracket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022459369.2U CN213437094U (en) | 2020-10-29 | 2020-10-29 | Die-casting die for forming high-strength magnesium bracket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213437094U true CN213437094U (en) | 2021-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022459369.2U Active CN213437094U (en) | 2020-10-29 | 2020-10-29 | Die-casting die for forming high-strength magnesium bracket |
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| CN (1) | CN213437094U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113695553A (en) * | 2021-08-31 | 2021-11-26 | 深圳市协和辉五金制品有限公司 | Precision die-casting die capable of precisely positioning die core |
-
2020
- 2020-10-29 CN CN202022459369.2U patent/CN213437094U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113695553A (en) * | 2021-08-31 | 2021-11-26 | 深圳市协和辉五金制品有限公司 | Precision die-casting die capable of precisely positioning die core |
| CN113695553B (en) * | 2021-08-31 | 2022-11-15 | 深圳市协和辉五金制品有限公司 | Precision die-casting die capable of precisely positioning die core |
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