CN214442971U - Split type wheel hub mould of bottom feed liquor - Google Patents
Split type wheel hub mould of bottom feed liquor Download PDFInfo
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- CN214442971U CN214442971U CN202022823000.5U CN202022823000U CN214442971U CN 214442971 U CN214442971 U CN 214442971U CN 202022823000 U CN202022823000 U CN 202022823000U CN 214442971 U CN214442971 U CN 214442971U
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Abstract
The utility model discloses a split type wheel hub mould with liquid fed from bottom, which comprises a lower mould, an upper mould, a lower mould sheath, a supporting bottom plate, an upper mould inner sheath, an upper mould outer sheath and a connecting and fastening device, wherein the lower mould sheath is arranged above the supporting bottom plate; a rectangular sleeving cavity is formed in the center of the lower end of the upper die outer sheath, and an upper die inner sheath is arranged in the rectangular sleeving cavity; an upper die sleeve cavity is formed in the center of the lower end of the upper die inner sheath, and an upper die is arranged in the upper die sleeve cavity; the upper die outer sheath and the lower die sheath are buckled, the lower end surface of the upper die inner sheath is attached to the upper end surface of the lower die, and the upper die cavity and the lower die cavity are buckled; and the connecting and fastening devices are arranged on the side surfaces of the upper die outer sheath and the lower die outer sheath and lock and fix the upper die outer sheath and the lower die outer sheath. The utility model discloses can effectively prevent the mould from penetrating the emergence of expecting the problem.
Description
Technical Field
The utility model relates to a mould shaping makes the field, especially relates to a split type wheel hub mould of bottom feed liquor.
Background
The hub is a component for connecting a tire and a shaft of a vehicle and can be divided into an integral casting type hub, an integral forging type hub and a composite type hub from the aspect of manufacturing technology, wherein the integral casting type hub occupies about 90 percent of the total production of the hub by the advantage of low cost. The manufacturing process of the integral casting type hub comprises the steps of pouring molten aluminum, namely liquid aluminum alloy, into a cavity of a mold, demolding and cooling after the molten aluminum is solidified to form a hub blank, and then carrying out finish machining such as deburring, polishing and surface treatment to obtain a hub finished product; according to different aluminum water pouring processes, gravity casting and low-pressure casting are adopted; the hub is in a cylindrical structure consisting of a rim and a spoke, an upper die, a lower die and accessories are generally combined to form a hub casting cavity in a casting die for demolding, certain pressure needs to be kept after molten aluminum is poured into the die for low-pressure casting, the sealing performance of the cavity is better, the higher the pressure resistance value is, and the better the quality of the cast hub is.
The existing hub die-casting process also generally adopts a horizontal or top feeding mode, and the feeding mode is unfavorable for removing cavitation bubbles from molten metal entering a cavity.
In order to improve the quality of the surface of the hub, the pressure in the cavity needs to be improved, the sealing performance of the existing split type die under high pressure is not easy to guarantee, and the problem of material injection is easily caused, and a new process needs to be developed to solve.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the not enough of current wheel hub mould technology structure, provide a split type wheel hub mould of bottom feed liquor.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a split type wheel hub die with liquid fed from the bottom comprises a lower die, an upper die, a lower die sheath, a supporting bottom plate, an upper die inner sheath, an upper die outer sheath and a connecting and fastening device, wherein a feeding hole is formed in the supporting bottom plate; the upper end surface of the lower die is flush with the upper end surface of the lower die sheath, and a lower die cavity is arranged in the center of the lower die; a rectangular sleeving cavity is formed in the center of the lower end of the upper die outer sheath, an outer sheath through hole is formed in the center of the rectangular sleeving cavity, an upper die inner sheath is arranged in the rectangular sleeving cavity, and the lower end surface of the upper die inner sheath is flush with the lower end surface of the upper die outer sheath; an upper die sleeve cavity is formed in the center of the lower end of the upper die inner sheath, an inner sheath through hole is formed in the center of the upper die sleeve cavity, an upper die is arranged in the upper die sleeve cavity, the lower end face of the upper die is flush with the lower end face of the upper die inner sheath, an upper die cavity is formed in the lower end of the upper die, and an upper die through hole is formed in the center of the upper die; the lower end surface of the upper die outer sheath is attached to the upper end surface of the lower die sheath, the lower end surface of the upper die inner sheath is attached to the upper end surface of the lower die, and the upper die cavity and the lower die cavity are buckled; and the connecting and fastening devices are arranged on the side surfaces of the upper die outer sheath and the lower die sheath and are used for locking and fixing the upper die outer sheath and the lower die sheath.
And a forming shaft is arranged in the outer sheath through hole of the upper mold outer sheath, and the lower end of the forming shaft penetrates through the inner sheath through hole and the upper mold through hole to enter the upper mold cavity.
A first pressure flow channel is formed in the right side of the upper end of the lower die and communicated with the lower die cavity, and the feeding hole is located between the first pressure flow channel and the lower die cavity.
And a second pressure flow passage is formed in the right side of the lower end of the upper die inner sheath and is communicated with the upper die cavity.
The right side of the upper end of the lower die sheath is provided with a first mounting groove; a second mounting groove is formed in the right side of the lower end of the upper die outer sheath, the second mounting groove and the first mounting groove are buckled to form a channel with a rectangular cross section, a pressure rod sleeve is arranged in the channel, a sliding groove is formed in the pressure rod sleeve, the sliding groove is communicated with a flow channel formed by the first pressure flow channel and the second pressure flow channel, and a support column is arranged below the right end of the pressure rod sleeve.
The upper end of the upper die outer sheath is provided with a side supporting block and an inner supporting block, the upper ends of the side supporting block and the inner supporting block are provided with a supporting top plate, and the rear end of the upper die outer sheath is provided with a rear reinforcing block.
The utility model has the advantages that:
(1) the mold is of a split structure, the outer sides of the upper mold and the lower mold are provided with the sheaths for strengthening sealing and protection, and the sheaths are connected and fixed through the connecting and fastening devices, so that the sealing property of a mold cavity can be improved, and the problem of material injection is effectively prevented;
(2) this mould is the bottom feed liquor mode, is convenient for get rid of the vacuole, improves product quality.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a cross-sectional view taken at A-A of FIG. 2;
fig. 4 is a rear view of the present invention;
FIG. 5 is a right side view of the present invention;
FIG. 6 is a schematic view of the lower mold of the present invention;
FIG. 7 is a schematic view of an upper mold of the present invention;
FIG. 8 is a schematic view of a lower mold sheath of the present invention;
FIG. 9 is a schematic view of the inner sheath of the upper mold of the present invention;
FIG. 10 is a schematic view of an outer sheath of an upper mold of the present invention;
in the figure: the die comprises a lower die 1, a lower die cavity 101, a feeding hole 102, a first pressure flow channel 103, an upper die 2, an upper die cavity 21, an upper die through hole 22, a lower die jacket 3, a lower die sleeve cavity 31, a first mounting groove 32, a feeding middle hole 33, a supporting bottom plate 4, a feeding hole 41, an upper die inner jacket 5, an upper die sleeve cavity 51, an inner jacket through hole 52, a second pressure flow channel 53, an upper die outer jacket 6, a rectangular sleeve cavity 61, an outer jacket through hole 62, a second mounting groove 63, a forming shaft 64, a side supporting block 7, an inner supporting block 8, a supporting top plate 9, a rear reinforcing block 10, a pressure bar sleeve 11, a sliding groove 111, a supporting column 12 and a connecting and fastening device 13.
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific embodiments:
as shown in fig. 1-10, a split type wheel hub mold with liquid fed from the bottom comprises a lower mold 1, an upper mold 2, a lower mold sheath 3, a support base plate 4, an upper mold inner sheath 5, an upper mold outer sheath 6 and a connecting and fastening device 13, wherein a feed inlet 41 is formed in the support base plate 4, the lower mold sheath 3 is arranged above the support base plate 4, a feed middle hole 33 is formed in the lower mold sheath 3, a lower mold sleeve cavity 31 is formed in the center of the upper end of the lower mold sheath 3, the lower mold 1 is arranged in the lower mold sleeve cavity 31, a feed hole 102 is formed in the lower mold 1, and the feed inlet 41, the feed middle hole 33 and the feed hole 102 are vertically communicated; the upper end surface of the lower die 1 is flush with the upper end surface of the lower die sheath 3, and the center of the lower die 1 is provided with a lower die cavity 101.
A rectangular sleeving cavity 61 is formed in the center of the lower end of the upper die outer sheath 6, an outer sheath through hole 62 is formed in the center of the rectangular sleeving cavity 61, an upper die inner sheath 5 is arranged in the rectangular sleeving cavity 61, and the lower end face of the upper die inner sheath 5 is flush with the lower end face of the upper die outer sheath 6.
An upper die sleeve cavity 51 is formed in the center of the lower end of the upper die inner sheath 5, an inner sheath through hole 52 is formed in the center of the upper die sleeve cavity 51, an upper die 2 is arranged in the upper die sleeve cavity 51, the lower end face of the upper die 2 is flush with the lower end face of the upper die inner sheath 5, an upper die cavity 21 is formed in the lower end of the upper die 2, and an upper die through hole 22 is formed in the center of the upper die 2; the lower end surface of the upper die outer sheath 6 is attached to the upper end surface of the lower die sheath 3, the lower end surface of the upper die inner sheath 5 is attached to the upper end surface of the lower die 1, and the upper die cavity 21 and the lower die cavity 101 are buckled; the connecting and fastening device 13 is arranged on the side faces of the upper die outer sheath 6 and the lower die outer sheath 3, the connecting and fastening device 13 comprises a connecting bolt, a connecting nut and a connecting plate, the connecting bolt is respectively installed on the side faces of the upper die outer sheath 6 and the lower die outer sheath 3, the connecting plate is installed on the connecting bolt when the external pressing mechanism presses the upper die outer sheath 6 and the lower die outer sheath 3, the connecting plate is pressed with the side faces of the upper die outer sheath 6 and the lower die outer sheath 3 through the connecting nut, and the upper die outer sheath 6 and the lower die outer sheath 3 are locked and fixed at the moment. The upper die outer sheath 6 and the lower die outer sheath 3 after locking are used for adding a layer of sealing protection to the die, so that high-pressure molten metal can be effectively prevented from leaking or even flying from the die.
A forming shaft 64 is arranged in the outer sheath through hole 62 of the upper mold outer sheath 6, the lower end of the forming shaft 64 penetrates through the inner sheath through hole 52 and the upper mold through hole 22 to enter the upper mold cavity 21, and the position of the forming shaft 64 becomes an axle mounting sunken platform after the hub is cooled and formed.
A first pressure flow passage 103 is formed in the right side of the upper end of the lower die 1, the first pressure flow passage 103 is communicated with the lower die cavity 101, and the feeding hole 102 is located between the first pressure flow passage 103 and the lower die cavity 101.
A second pressure flow passage 53 is formed in the right side of the lower end of the upper die inner sheath 5, and the second pressure flow passage 53 is communicated with the upper die cavity 21.
The right side of the upper end of the lower die sheath 3 is provided with a first mounting groove 32, the right side of the lower end of the upper die sheath 6 is provided with a second mounting groove 63, the second mounting groove 63 and the first mounting groove 32 are buckled to form a channel with a rectangular cross section, a pressure rod sleeve 11 is arranged in the channel, a sliding groove 111 is formed in the pressure rod sleeve 11, the sliding groove 111 is communicated with a flow channel formed by a first pressure flow channel 103 and a second pressure flow channel 53, and a support column 12 is arranged below the right end of the pressure rod sleeve 11.
The upper end of the upper die outer sheath 6 is provided with a side supporting block 7 and an inner supporting block 8, the upper ends of the side supporting block 7 and the inner supporting block 8 are provided with a supporting top plate 9, and the rear end of the upper die outer sheath 6 is provided with a rear reinforcing block 10.
When the wheel hub forming device works, molten metal with external pressure enters a forming cavity of a die through the feed inlet 41, the feed middle hole 33 and the feed hole 102, part of the molten metal is filled in the compression bar sleeve 11 through the flow channel, a compression bar of the external compression injection mechanism is tightly attached to the compression bar sleeve 11, and the molten metal is pushed into a die cavity at high pressure, so that a wheel hub product in the die cavity has proper pressure during forming, and the forming quality of the wheel hub product is ensured.
This mould is split type structure, is equipped with the sheath in last mould and the lower mould outside and strengthens sealing and protection, and the sheath rethread is connected fastener and is connected fixedly, can improve the leakproofness of mould die cavity, effectively prevents to penetrate the emergence of expecting the problem.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (6)
1. The utility model provides a split type wheel hub mould of bottom feed liquor, includes lower mould (1), goes up mould (2), lower mould sheath (3), supporting baseplate (4), goes up mould inner sheath (5), goes up mould oversheath (6) and connects fastener (13), its characterized in that: the feeding device is characterized in that a feeding hole (41) is formed in the supporting base plate (4), a lower die sheath (3) is arranged above the supporting base plate (4), a feeding middle hole (33) is formed in the lower die sheath (3), a lower die sleeving cavity (31) is formed in the center of the upper end of the lower die sheath (3), a lower die (1) is arranged in the lower die sleeving cavity (31), a feeding hole (102) is formed in the lower die (1), and the feeding hole (41), the feeding middle hole (33) and the feeding hole (102) are vertically communicated; the upper end face of the lower die (1) is flush with the upper end face of the lower die sheath (3), and a lower die cavity (101) is formed in the center of the lower die (1); a rectangular sleeving cavity (61) is formed in the center of the lower end of the upper die outer sheath (6), an outer sheath through hole (62) is formed in the center of the rectangular sleeving cavity (61), an upper die inner sheath (5) is arranged in the rectangular sleeving cavity (61), and the lower end face of the upper die inner sheath (5) is flush with the lower end face of the upper die outer sheath (6); an upper die sleeve cavity (51) is formed in the center of the lower end of the upper die inner sheath (5), an inner sheath through hole (52) is formed in the center of the upper die sleeve cavity (51), an upper die (2) is arranged in the upper die sleeve cavity (51), the lower end face of the upper die (2) is flush with the lower end face of the upper die inner sheath (5), an upper die cavity (21) is formed in the lower end of the upper die (2), and an upper die through hole (22) is formed in the center of the upper die (2); the lower end face of the upper die outer sheath (6) is attached to the upper end face of the lower die sheath (3), the lower end face of the upper die inner sheath (5) is attached to the upper end face of the lower die (1), and the upper die cavity (21) and the lower die cavity (101) are buckled; and the side surfaces of the upper die outer sheath (6) and the lower die outer sheath (3) are provided with connecting and fastening devices (13), and the upper die outer sheath (6) and the lower die outer sheath (3) are locked and fixed by the connecting and fastening devices (13).
2. The bottom liquid inlet split hub die of claim 1, wherein: and a forming shaft (64) is arranged in an outer sheath through hole (62) of the upper mold outer sheath (6), and the lower end of the forming shaft (64) penetrates through the inner sheath through hole (52) and the upper mold through hole (22) to enter the upper mold cavity (21).
3. The bottom liquid inlet split hub die of claim 1, wherein: the right side of the upper end of the lower die (1) is provided with a first pressure flow channel (103), the first pressure flow channel (103) is communicated with the lower die cavity (101), and the feeding hole (102) is located between the first pressure flow channel (103) and the lower die cavity (101).
4. The bottom liquid inlet split hub die of claim 3, wherein: a second pressure flow passage (53) is formed in the right side of the lower end of the upper die inner sheath (5), and the second pressure flow passage (53) is communicated with the upper die cavity (21).
5. The bottom liquid inlet split hub die of claim 1, wherein: a first mounting groove (32) is formed in the right side of the upper end of the lower die sheath (3); a second mounting groove (63) is formed in the right side of the lower end of the upper die outer sheath (6), the second mounting groove (63) and the first mounting groove (32) are buckled to form a channel with a rectangular cross section, a pressure rod sleeve (11) is arranged in the channel, a sliding groove (111) is formed in the pressure rod sleeve (11), the sliding groove (111) is communicated with a flow channel formed by the first pressure flow channel (103) and the second pressure flow channel (53), and a support column (12) is arranged below the right end of the pressure rod sleeve (11).
6. The bottom liquid inlet split hub die of claim 1, wherein: the upper end of the upper die outer sheath (6) is provided with a side supporting block (7) and an inner supporting block (8), the upper ends of the side supporting block (7) and the inner supporting block (8) are provided with a supporting top plate (9), and the rear end of the upper die outer sheath (6) is provided with a rear reinforcing block (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022823000.5U CN214442971U (en) | 2020-11-30 | 2020-11-30 | Split type wheel hub mould of bottom feed liquor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022823000.5U CN214442971U (en) | 2020-11-30 | 2020-11-30 | Split type wheel hub mould of bottom feed liquor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214442971U true CN214442971U (en) | 2021-10-22 |
Family
ID=78184983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022823000.5U Active CN214442971U (en) | 2020-11-30 | 2020-11-30 | Split type wheel hub mould of bottom feed liquor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214442971U (en) |
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2020
- 2020-11-30 CN CN202022823000.5U patent/CN214442971U/en active Active
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