CN215587837U - Casting demolding system for commercial vehicle wheel hub - Google Patents
Casting demolding system for commercial vehicle wheel hub Download PDFInfo
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- CN215587837U CN215587837U CN202122213639.6U CN202122213639U CN215587837U CN 215587837 U CN215587837 U CN 215587837U CN 202122213639 U CN202122213639 U CN 202122213639U CN 215587837 U CN215587837 U CN 215587837U
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Abstract
The utility model provides a casting demolding system for a commercial vehicle hub, which comprises a casting demolding system mold assembly for the commercial vehicle hub, a ejector rod plate, a plurality of ejector rods and a driving assembly, wherein the ejector rod plate is fixedly connected with the ejector rod plate; the ejector rod plate is arranged above the upper die plate, a plurality of positioning screws are longitudinally and threadedly connected to the ejector rod plate, and the lower ends of the positioning screws are supported on the die carrier guide posts; the ejector rods are all fixed at the lower end of the ejector rod plate, penetrate through the upper die respectively, and the lower ends of the ejector rods are located at the top of the die cavity; the driving assembly is fixed on the machine table, is positioned above the ejector plate, and has an action end facing the ejector plate; the ejector rod plate drives the ejector rods to push out the casting through the driving component. The casting demolding system for the commercial vehicle hub is convenient to demold, reduces damage to a casting and a mold, and improves production efficiency and safety.
Description
Technical Field
The utility model belongs to the technical field of commercial vehicle hub production, and particularly relates to a casting demolding system for a commercial vehicle hub.
Background
The manufacturing method of the aluminum alloy hub comprises three methods: gravity casting, forging and low-pressure precision casting. The low-pressure die is a packaging process method which injects packaging materials into the die at very low injection pressure and quickly solidifies and molds, and the casting mode has the advantages of good formability, clear outline, uniform density and smooth surface, can achieve high strength, light weight and cost control, has the yield of more than nine percent, and is a mainstream manufacturing method of the high-quality aluminum alloy hub.
Along with the development of the aluminum alloy hub die technology, the structure of a product die is more and more complex, and more severe technological requirements are provided for the die. The aluminum alloy low pressure casting product has large holding power during casting production, and is mostly dug out manually during demoulding, so that a casting or a mould is extremely easy to damage in the demoulding process, a large amount of resources are wasted, and scalding is easy to occur.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a casting demolding system for a hub of a commercial vehicle, which can facilitate demolding, reduce damage to a casting and a mold and improve safety.
In order to achieve the purpose, the utility model adopts the technical scheme that: the utility model provides a commercial car is foundry goods demoulding system for wheel hub includes:
the ejector rod plate is arranged above the upper die plate, a plurality of positioning screws are longitudinally and threadedly connected to the ejector rod plate, and the lower ends of the positioning screws are supported on the die carrier guide posts;
the ejector rods are all fixed at the lower end of the ejector rod plate, penetrate through the upper die respectively, and the lower ends of the ejector rods are positioned at the top of the die cavity;
the driving assembly is fixed on the machine table, the driving assembly is positioned above the ejector plate, and the action end of the driving assembly faces the ejector plate;
in the die opening state, the ejector rod plate drives the ejector rods to push the casting through the driving component.
In a possible implementation manner, the ejector rod plate comprises an ejector rod upper plate and an ejector rod lower plate which are fixedly connected in sequence from top to bottom, a limiting portion is arranged at the upper end of the ejector rod, a containing cavity for containing the limiting portion is formed in the upper end face of the ejector rod lower plate, the ejector rod penetrates through the bottom of the containing cavity, and the containing cavity is matched with the lower end face of the ejector rod upper plate and used for limiting the movement of the ejector rod.
In a possible implementation manner, the plurality of ejector rods are divided into a plurality of side ejector rods and a plurality of center ejector rods, the side ejector rods and the center ejector rods are arranged in a circumferential array, and the side ejector rods are located on the periphery of the center ejector rods.
In a possible implementation manner, a plurality of guide assemblies are arranged between the ejector rod plate and the upper template, and each guide assembly comprises a guide post arranged on the upper template and a guide sleeve arranged on the ejector rod plate and in sliding fit with the guide post.
In some embodiments, a limiting piece located above the guide sleeve is fixedly arranged at the top end of the guide column, and the diameter of the limiting piece is larger than the diameter of the cross section of the guide column.
In a possible implementation manner, a supporting plate is fixedly arranged on the upper end face of the lower template, the supporting plate is located between the lower template and the upper template, a plurality of guide pillars are arranged at the top end of the supporting plate, and the upper template is provided with through holes corresponding to the guide pillars one to one.
In some embodiments, the positioning screws are abutted with the guide posts in a one-to-one correspondence, and the positioning screws are used for supporting the ejector rod plate and positioning the ejector rod.
In some embodiments, a connecting plate is fixedly arranged on the upper end face of the upper template, and the upper end of the connecting plate is connected with the machine table.
Exemplarily, the lower bolster both ends are equipped with a plurality of first U type grooves, the upper end of connecting plate is equipped with a plurality of second U type grooves, second U type groove below is equipped with the groove of stepping down.
In a possible implementation mode, the upper die plate is provided with a yielding hole which is vertically communicated, and the ejector rods are located in the yielding hole.
In the implementation mode, the mold assembly is used for containing aluminum liquid and enabling the aluminum liquid to be stably filled, wherein the upper mold plate and the lower mold plate are fixedly connected with the machine table, and the machine table is used for controlling the upper mold plate to normally rise and fall so as to complete the actions of mold opening and mold closing; the ejector rod plates are arranged above the upper die plate at intervals, the upper and lower positions are controlled by positioning screws which are abutted against guide posts of the die carrier, and when aluminum liquid is poured, the bottom ends of the ejector rods connected to the lower ends of the ejector rod plates are matched with the surface of the upper end of the cavity, so that the pouring of the aluminum liquid and the appearance of a formed casting are not influenced; after the mold is opened, the positioning screw rod is far away from the mold assembly, the casting and the upper mold are tightly held, the ejector rod plate is driven to descend through the driving assembly, and the ejector rods are driven to act, so that the casting can be smoothly ejected out and fall off from the position of the upper mold. Compared with the prior art, the casting demolding system for the commercial vehicle hub has the advantages that demolding is convenient, damage to the casting and the mold is reduced, and production efficiency and safety are improved.
Drawings
Fig. 1 is a schematic front view of a casting demolding system for a commercial vehicle hub according to an embodiment of the present invention;
FIG. 2 is a sectional view taken along line A-A of FIG. 1;
FIG. 3 is a detailed structural view of a portion B in FIG. 2;
fig. 4 is a schematic perspective view of the casting demolding system for the hub of the commercial vehicle shown in fig. 1.
Description of reference numerals:
1. a mold assembly; 2. a jack rod plate; 3. a top rod; 4. a guide assembly;
11. an upper die; 12. a lower die; 13. a cavity; 14. mounting a template; 15. a lower template; 16. a support plate; 17. a guide post; 18. a connecting plate; 21. positioning a screw rod; 22. a mandril is arranged on the plate; 23. a mandril lower plate; 31. a side ejector rod; 32. a central ejector rod; 33. a limiting part; 41. a guide post; 42. a guide sleeve; 43. a limiting sheet;
111. an upper mold core; 112. a spreader cone; 141. a through hole; 142. a hole of abdication; 143. a second positioning groove; 151. a first U-shaped groove; 152. a first positioning groove; 181. a second U-shaped groove; 182. a yielding groove; 231. and a cavity.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
This commercial car is foundry goods drawing of patterns system for wheel hub need use mould subassembly 1, refer to fig. 2, and mould subassembly 1 includes lower bolster 15, lower mould 12, goes up mould 11 and cope match- plate pattern 14, and 15 bottom surfaces of lower bolster are fixed with the board, and 15 up end of lower bolster are fixed with lower mould 12, and 14 upper ends of cope match-plate pattern are fixed with the board, and 14 lower end surfaces of cope match-plate pattern are fixed with last mould, go up and constitute die cavity 13 between mould 12 and the lower mould 11.
Referring to fig. 1 and 2 together, a description will now be given of a casting demolding system for a hub of a commercial vehicle according to the present invention. The casting demolding system for the commercial vehicle hub comprises a mold assembly 1, a ejector rod plate 2, a plurality of ejector rods 3 and a driving assembly; the ejector rod plate 2 is arranged above the upper template 14, a plurality of positioning screws 21 are longitudinally and threadedly connected to the ejector rod plate 2, and the lower ends of the positioning screws 21 are supported on the die carrier guide posts; the ejector rods 3 are all fixed at the lower end of the ejector rod plate 2, the ejector rods 3 respectively penetrate through the upper die 11, and the lower ends of the ejector rods 3 are positioned at the top of the die cavity 13; the driving assembly is fixed on the machine table, the driving assembly is positioned above the ejector rod plate 2, and the action end of the driving assembly faces the ejector rod plate 2; the ejector rod plate 2 drives the ejector rods to push out the casting through the driving component. Wherein, the driving component is an oil cylinder; the die set guide pillar is fixed on the lower half part of the die assembly, and the lower half part of the die assembly is fixedly connected with the fixed machine table.
In the implementation mode, the die assembly 1 is used for casting a die to enable molten aluminum to be stably filled, wherein the upper die plate 14 and the lower die plate 15 are fixedly connected with a machine table, and the machine table controls the upper die plate 14 to normally rise and fall to complete die opening and closing actions; the ejector rod plate 2 is arranged above the upper template 14 at intervals, the upper and lower positions are controlled by a positioning screw 21 which is abutted against a guide post of the die carrier, and when aluminum liquid is poured, the bottom end of an ejector rod 3 connected to the lower end of the ejector rod plate 2 is matched with the surface of the upper end of the cavity 13, so that the pouring of the aluminum liquid and the appearance of a formed casting are not influenced; after the mould is opened, the positioning screw 21 is far away from the guide post of the mould frame, the casting is tightly held with the upper mould 11, the ejector rod plate 2 is driven to descend by the oil cylinder, and the ejector rods 3 are driven to act, so that the casting can be smoothly ejected out of the position of the upper mould 11 to fall off. Compared with the prior art, the casting demolding system for the commercial vehicle hub has the advantages that demolding is convenient, damage to the casting and the mold is reduced, and production efficiency and safety are improved.
In some possible implementations, the ejector plate 2 is configured as shown in fig. 3. Referring to fig. 2 and 3, the ejector rod plate 2 includes an ejector rod upper plate 22 and an ejector rod lower plate 23 which are fixedly connected in sequence from top to bottom, the upper end of the ejector rod 3 is provided with a limiting portion 33, the upper end surface of the ejector rod lower plate 23 is provided with a containing cavity 231 for containing the limiting portion 33, the ejector rod 3 penetrates through the bottom of the containing cavity 231, and the containing cavity 231 is matched with the lower end surface of the ejector rod upper plate 22 for limiting the movement of the ejector rod 3.
In this embodiment, the lift pin 3 is fixed by the lift pin upper plate 22 and the lift pin lower plate 23 through the receiving chamber 231.
Specifically, the jack upper plate 22 is fixed to the jack lower plate 23 by bolts. Ejector pin upper plate 22 is the rectangle, and positioning screw 21 quantity is four, divides the four corners that is located ejector pin upper plate 22, and runs through ejector pin upper plate 22's upper and lower terminal surface, and positioning screw 21 lower extreme and mould subassembly 1 butt, and when the die sinking, the lower extreme of positioning screw 21 leaves mould subassembly 1 to make things convenient for 3 actions of ejector pin to push out the foundry goods.
In some possible implementations, referring to fig. 2, the plurality of top bars 3 are divided into a plurality of side top bars 31 and a plurality of center top bars 32, the plurality of side top bars 31 and the plurality of center top bars 32 are all arranged in a circumferential array, and the plurality of side top bars 31 are located at the periphery of the plurality of center top bars 32.
In this embodiment, the plurality of ejector rods 3 are divided into the central ejector rod 32 and the side ejector rods 31, so that the force applied to the formed casting is more uniform, and the casting can be conveniently pushed out without damaging the casting.
Specifically, an upper mold core 111 is fixedly arranged at the middle position of the upper mold 11, a sprue spreader 112 facing a gate is clamped at the middle position of the upper mold core 111, and the central ejector rod 32 penetrates through the upper mold core 111 and is communicated with the cavity 13.
In some possible implementations, referring to fig. 4, a plurality of guide assemblies 4 are disposed between the ejector plate 2 and the upper die plate 14, and the guide assemblies 4 include guide posts 41 disposed on the upper die plate 14 and guide sleeves 42 disposed on the ejector plate 2 and slidably engaged with the guide posts 41.
In this embodiment, the number of the guide columns 41 and the guide sleeves 42 is four, the ejector rod upper plate 22 is rectangular, the guide sleeves 42 are respectively arranged at four corners of the ejector rod upper plate 22 and penetrate through the upper end surface and the lower end surface of the ejector rod upper plate 22, and the guide columns 41 are in sliding fit with the guide sleeves 42 to guide and support the ejector rod plate 2 to move up and down stably.
In particular, the guide sleeve 42 may be a linear bearing or a plastic guide sleeve 42.
In some possible implementations, referring to fig. 4, the top end of the guide post 41 is fixedly provided with a limiting piece 43 located above the guide sleeve 42, and the diameter of the limiting piece 43 is larger than the cross-sectional diameter of the guide post 41.
In this embodiment, the limiting piece 43 abuts against the guide sleeve 42, so as to limit the ejector plate 2 upwards, and prevent the ejector plate 2 from being separated from the top end of the guide column 41.
Specifically, the stopper piece 43 is fixed to the top end of the guide post 41 by a bolt.
In some possible implementations, referring to fig. 4, a lower mold plate 15 is fixedly disposed at the lower end of the lower mold 12, a support plate 16 is fixedly disposed at the upper end surface of the lower mold plate 15, the support plate 16 is located between the lower mold plate 15 and the upper mold plate 14, a plurality of guide posts 17 are disposed at the top end of the support plate 16, and through holes 141 corresponding to the plurality of guide posts 17 are disposed on the upper mold plate 14.
In this embodiment, the lower template 15 is fixed to the machine table, and the guide posts 17 are matched with the through holes 141 and used for positioning the relative positions of the upper template 14 and the lower template 15, so that the upper die 11 is completely matched with the lower die 12. The supporting plate 16 is also used to limit the relative positions of the upper template 14 and the lower template 15, so as to prevent the machine station from driving the lower template 15 to move over and damage the mold. Specifically, two support plates 16 are provided, which are respectively located at two sides of the lower mold plate 15, and two guide posts 17 are respectively provided at two ends of each support plate 16, so as to accurately position and strengthen the support.
In some possible implementations, referring to fig. 1 and 2, a plurality of positioning screws 21 correspond to the plurality of guide pillars 17 one by one, and the positioning screws 21 are used for supporting the ejector plate 2 and positioning the ejector 3.
In this embodiment, the positioning screw 21 abuts against the guide post 17 to support the upper ejector plate 22 and the lower ejector plate 23 and position the ejector 3 so that the ejector 3 is located at the edge surface of the cavity 13, and the ejector 3 does not interfere with the molding and appearance of the hub. Specifically, the position of the jack 3 is adjusted by rotating the positioning screw 21 to lift and lower the jack plate 2. Specifically, the positioning screws 21 are four bolts, and correspond to the four guide posts 17 respectively. After the die is opened, the positioning screw 21 is far away from the guide post 17, so that the oil cylinder can drive the push rod to act, and the casting falls off.
In some possible implementations, referring to fig. 4, the upper end surface of the upper mold plate 14 is fixedly provided with a connecting plate 18, and the upper end of the connecting plate 18 is connected with the machine table.
In this embodiment, by providing the connecting plate 18, the connecting plate 18 is higher than the casting demolding mechanism to leave a space for the casting demolding mechanism to operate. Specifically, the number of the connecting plates 18 is two, and the connecting plates are respectively arranged on two sides above the upper die plate 14 and are perpendicular to the supporting plate 16.
In some possible implementations, the connecting plate 18 may be configured as shown in fig. 4. Referring to fig. 4, a plurality of first U-shaped grooves 151 are formed at two ends of the lower template 15, a plurality of second U-shaped grooves 181 are formed on the upper end surface of the connecting plate 18, and a abdicating groove 182 is formed below the second U-shaped grooves 181.
In this embodiment, the first U-shaped groove 151 is used for limiting the lower template 15 and is fixed on the machine table by bolts. Second U type groove 181 passes through bolt fixed connection with the top platen, guarantees that the first half of mould normally rises and falls along with the platform, makes the mould accomplish the die sinking smoothly, the compound die action, and wherein, second U type groove 181 below sets up the groove of stepping down 182, can conveniently carry out the operation of locking bolt, and second U type groove 181 is located the support column top of connecting plate 18, can receive the force better. Specifically, referring to fig. 3, there are 8 first U-shaped grooves 151 respectively arranged on both sides of the lower mold plate 15, and referring to fig. 4, there are four second U-shaped grooves 181 respectively arranged on both sides of each connecting plate 18.
In some possible implementations, referring to fig. 2, the upper mold plate 14 has an abdicating hole 142 extending vertically therethrough, and the plurality of lift pins 3 are located in the abdicating hole 142.
In this embodiment, the offset holes 142 are used to leave a passage so that the ejector pins 3 can pass through the upper and lower sides of the upper die plate 14, and are respectively connected or communicated with the ejector pin plate 2 and the upper die 11. The receding hole 142 enables the upper end of the upper die 11 to be communicated with the outside, and can assist the upper die 11 in heat dissipation and cooling. Specifically, the relief hole 142 is circular and is close to the periphery of the side rail 31.
In some possible implementations, referring to fig. 2, the lower mold plate 15 is provided with a first positioning groove 152 on the upper end surface, the upper mold plate 14 is provided with a second positioning groove 143 on the lower end surface, the lower end of the lower mold 12 is located in the first positioning groove 152, and the upper end of the upper mold 11 is located in the second positioning groove 143.
In this embodiment, the first positioning groove 152 abuts against the lower end surface and the bottom side surface of the lower mold 12 to position the lower mold 12, and the second positioning groove 143 abuts against the upper end surface and the top side surface of the upper mold 11 to position the upper mold 11. The lower die 12 and the upper die 11 are fixed to a lower die plate 15 and an upper die plate 14 by bolts, respectively.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a commercial car is foundry goods demoulding system for wheel hub which characterized in that includes:
the ejector rod plate is arranged above the upper die plate, a plurality of positioning screws are longitudinally and threadedly connected to the ejector rod plate, and the lower ends of the positioning screws are supported on the die carrier guide posts;
the ejector rods are all fixed at the lower end of the ejector rod plate, penetrate through the upper die respectively, and the lower ends of the ejector rods are positioned at the top of the die cavity;
the driving assembly is fixed on the machine table, the driving assembly is positioned above the ejector plate, and the action end of the driving assembly faces the ejector plate;
in the die opening state, the ejector rod plate drives the ejector rods to push the casting through the driving component.
2. The casting demolding system for the hub of the commercial vehicle as claimed in claim 1, wherein the ejector rod plate comprises an ejector rod upper plate and an ejector rod lower plate which are fixedly connected with each other in sequence from top to bottom, a limiting portion is arranged at the upper end of the ejector rod, a containing cavity for containing the limiting portion is formed in the upper end face of the ejector rod lower plate, the ejector rod penetrates through the bottom of the containing cavity, and the containing cavity is matched with the lower end face of the ejector rod upper plate and used for limiting the movement of the ejector rod.
3. The demolding system for castings for hubs of commercial vehicles according to claim 1, wherein said plurality of ejector pins are divided into a plurality of side ejector pins and a plurality of center ejector pins, said plurality of side ejector pins and said plurality of center ejector pins are arranged in a circumferential array, and said plurality of side ejector pins are located at the periphery of said plurality of center ejector pins.
4. The casting demolding system for the hub of the commercial vehicle as claimed in claim 1, wherein a plurality of guide assemblies are arranged between the ejector rod plate and the upper mold plate, and each guide assembly comprises a guide column arranged on the upper mold plate and a guide sleeve arranged on the ejector rod plate and matched with the guide column in a sliding mode.
5. The casting demolding system for the hub of the commercial vehicle as claimed in claim 4, wherein a limiting piece located above the guide sleeve is fixedly arranged at the top end of the guide column, and the diameter of the limiting piece is larger than the diameter of the cross section of the guide column.
6. The casting demolding system for the hub of the commercial vehicle as claimed in claim 1, wherein a supporting plate is fixedly arranged on an upper end face of a lower template, the supporting plate is located between the lower template and the upper template, a plurality of guide pillars are arranged at the top end of the supporting plate, and through holes corresponding to the guide pillars are formed in the upper template.
7. The casting demolding system for a hub of a commercial vehicle of claim 6, wherein a plurality of the positioning screws are abutted with a plurality of the guide pillars in a one-to-one correspondence, and the positioning screws are used for supporting the ejector rod plate and positioning the ejector rods.
8. The casting demolding system for the hub of the commercial vehicle as claimed in claim 1, wherein a connecting plate is fixedly arranged on the upper end face of the upper template, and the upper end of the connecting plate is connected with a machine table.
9. The casting demolding system for the hub of the commercial vehicle as claimed in claim 8, wherein a plurality of first U-shaped grooves are formed in two ends of the lower template, a plurality of second U-shaped grooves are formed in the upper end of the connecting plate, and a abdicating groove is formed below each second U-shaped groove.
10. The casting demolding system for the hub of the commercial vehicle according to claim 1, wherein an abdicating hole penetrates through the upper template from top to bottom, and the ejector rods are located in the abdicating hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122213639.6U CN215587837U (en) | 2021-09-13 | 2021-09-13 | Casting demolding system for commercial vehicle wheel hub |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122213639.6U CN215587837U (en) | 2021-09-13 | 2021-09-13 | Casting demolding system for commercial vehicle wheel hub |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215587837U true CN215587837U (en) | 2022-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122213639.6U Active CN215587837U (en) | 2021-09-13 | 2021-09-13 | Casting demolding system for commercial vehicle wheel hub |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215587837U (en) |
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2021
- 2021-09-13 CN CN202122213639.6U patent/CN215587837U/en active Active
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