CN210098914U - Semi-solid magnesium alloy high-pressure injection molding machine - Google Patents
Semi-solid magnesium alloy high-pressure injection molding machine Download PDFInfo
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- CN210098914U CN210098914U CN201920658815.7U CN201920658815U CN210098914U CN 210098914 U CN210098914 U CN 210098914U CN 201920658815 U CN201920658815 U CN 201920658815U CN 210098914 U CN210098914 U CN 210098914U
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- heating device
- injection molding
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- 229910000861 Mg alloy Inorganic materials 0.000 title claims abstract description 49
- 239000007787 solid Substances 0.000 title claims abstract description 23
- 238000001746 injection moulding Methods 0.000 title claims description 20
- 238000010438 heat treatment Methods 0.000 claims abstract description 23
- 238000001816 cooling Methods 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims description 16
- 238000005192 partition Methods 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 230000005674 electromagnetic induction Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 9
- 238000000465 moulding Methods 0.000 abstract description 5
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000003754 machining Methods 0.000 abstract description 2
- 239000012530 fluid Substances 0.000 abstract 1
- 230000001737 promoting effect Effects 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 27
- 239000000956 alloy Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 4
- 230000007547 defect Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
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- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model belongs to the technical field of the contour machining, a semi-solid magnesium alloy high pressure jet molding machine is related to. This make-up machine, including oil pressure thrust unit, the nozzle, the feed cylinder, the connecting cylinder, the screw rod, the retaining ring, drive servo motor, the feed bin, heating device, cooling device, oil pressure thrust unit includes the box, promote bearing and baffle, it link up inside the box to promote the bearing level, the fixed suit of baffle is on the outer lane of promoting the bearing, and fall into two airtight spaces with the box is inside, be provided with two defeated hydraulic fluid ports on the box, and its opening is located the cavity in two airtight spaces respectively, one side fixed connection of box and connecting cylinder, the feed cylinder, connecting cylinder and oil pressure thrust unit all are fixed in on the base, drive servo motor is fixed in on the slidable base. The forming machine has the advantages of low energy consumption, high forming speed, smoother surface of a formed product, higher dimensional precision and more stability, can also process complex workpieces, and is suitable for wide popularization and application in the field of magnesium alloy processing.
Description
Technical Field
The utility model belongs to the technical field of the contour machining, a semi-solid magnesium alloy high pressure jet molding machine is related to.
Background
The magnesium alloy is a low-density alloy, and compared with other pure metal materials or alloy materials, even compared with the aluminum alloy, the magnesium alloy has lighter mass, so that the magnesium alloy material processed products meet the requirement of the current society on light weight of the products, and the magnesium alloy products become mainstream materials for processing automobile parts, military products, living goods and the like. The traditional magnesium alloy is formed by die-casting, the forming speed is low, the processing efficiency is low, and meanwhile, the product is easy to have defects such as holes, and the quality is difficult to ensure. Although the injection molding device for the semi-solid magnesium alloy developed based on the plastic extrusion injection molding process is available, the processed and molded product still has the defects of poor dimensional precision, insufficient surface smoothness, incapability of molding complex workpieces and the like, and the development of the magnesium alloy in the aspect of injection molding is limited.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a semi-solid magnesium alloy high pressure injection molding machine, the power consumption is low, the shaping is fast, and the magnesium alloy product smoothness after the shaping is high, the quality is better.
The utility model provides a technical scheme of above-mentioned technical problem does:
a semi-solid magnesium alloy high-pressure injection molding machine comprises an oil pressure pushing device, a nozzle, a charging barrel, a connecting barrel, a screw, a check ring, a driving servo motor, a storage bin, a heating device and a cooling device. The oil pressure pushing device comprises a box body, a pushing bearing and a partition plate, the pushing bearing horizontally penetrates through the box body, the partition plate is fixedly sleeved on an outer ring of the pushing bearing and divides the interior of the box body into two closed spaces, two oil conveying ports are arranged on the box body, and openings of the two oil conveying ports are respectively positioned in cavities of the two closed spaces; the nozzle, the material cylinder and the connecting cylinder are horizontally arranged and are sequentially communicated, a box body of the oil pressure pushing device is fixedly connected with one side of the connecting cylinder, the screw rod is horizontally arranged in the material cylinder and the connecting cylinder, a check ring is sleeved at the front end of the screw rod, the tail end of the screw rod penetrates through an inner ring of the pushing bearing and is connected with a driving servo motor shaft, a discharge port of the storage bin is communicated into the connecting cylinder, the heating device is wrapped outside the material cylinder, and the cooling device is wrapped outside the heating device; the charging barrel, the connecting barrel and the oil pressure pushing device are all fixed on the base, and the driving servo motor is fixed on the slidable base.
Furthermore, the diameter of the outlet of the nozzle is 1/5-1/3 of the diameter of the charging barrel, the ratio of the length of the channel of the nozzle to the diameter of the channel is (3-6): 1, the outside of the nozzle is wrapped with a heating device, the heating device is an electromagnetic induction heating device, a resistance heating device or a heat carrier heating device, and the cooling device is a jacket filled with circulating water.
The semi-solid magnesium alloy high-pressure injection molding machine has the advantages that the high-speed propulsion of the screw rod is realized through the oil pressure pushing device; through the design of a nozzle with a slender structure and the diameter of an outlet which suddenly drops at the nozzle, the high-pressure oil is combined to quickly push an oil pressure pushing device, so that the screw rod is quickly pushed, the semi-solid magnesium alloy can be quickly ejected out of the nozzle and quickly filled in a die cavity of a die to be molded, and the quality of a molded product is ensured; the device has the advantages of low energy consumption, quick forming, better quality of the formed magnesium alloy product, smoother surface, higher dimensional precision and more stable dimension, can also process complex workpieces, and is suitable for wide popularization and application in the field of magnesium alloy processing.
Drawings
FIG. 1 is a schematic structural view of a semi-solid magnesium alloy high-pressure injection molding machine of the present invention;
fig. 2 is a using state diagram of the semi-solid magnesium alloy high-pressure injection molding machine of the present invention.
The codes in the figures are respectively: the device comprises an oil pressure pushing device 1, a box body 1-1, an oil delivery port 1-11, a pushing bearing 1-2, a partition plate 1-3, a nozzle 2, a charging barrel 3, a connecting barrel 4, a screw rod 5, a non-return ring 6, a driving servo motor 7, a storage bin 8, a heating device 9, a cooling device 10 and a mold 11.
Detailed Description
As shown in fig. 1, a semi-solid magnesium alloy high-pressure injection molding machine comprises an oil pressure pushing device 1, a nozzle 2, a charging barrel 3, a connecting barrel 4, a screw 5, a non-return ring 6, a driving servo motor 7, a storage bin 8, a heating device 9 and a cooling device 10.
The oil pressure pushing device 1 comprises a box body 1-1, a pushing bearing 1-2 and a partition plate 1-3, wherein the pushing bearing 1-2 horizontally penetrates through the box body 1-1, the partition plate 1-3 is fixedly sleeved on an outer ring of the pushing bearing 1-2 and divides the interior of the box body 1-1 into two closed spaces, two oil conveying ports 1-11 are arranged on the box body 1-1, openings of the two oil conveying ports are respectively positioned in cavities of the two closed spaces, the two oil conveying ports 1-11 are used for conveying or extracting hydraulic oil into the two closed spaces respectively, and the pushing bearing 1-2 positioned in the box body 1-1 is moved left and right in the horizontal direction by pushing the partition plate 1-3.
The nozzle 2, the material barrel 3 and the connecting barrel 4 are horizontally arranged and are sequentially communicated to form a feeding channel communicated with the inside, the diameter of an outlet of the nozzle 2 is 1/4 of the diameter of the material barrel 3, the ratio of the length of the channel of the nozzle 2 to the diameter of the channel is 4:1, a box body 1-1 of the oil pressure pushing device 1 is fixedly connected with one side of the connecting barrel 4, a screw 5 is horizontally arranged inside the material barrel 3 and the connecting barrel 4, a non-return ring 6 is sleeved at the front end of the screw 5, the tail end of the screw passes through an inner ring of a pushing bearing 1-2 and is connected with a shaft of a driving servo motor 7, a discharge port of a storage bin 8 penetrates into the connecting barrel 4, a heating device 9 is an electromagnetic induction heating device and wraps the material barrel 3 and the outside of the nozzle 2, and a cooling device 10 is a jacket filled with circulating water;
the charging barrel 3, the connecting barrel 4 and the oil pressure pushing device 1 are all fixed on the base, so that the charging barrel is fixed in the operation process of the screw rod 5, and the driving servo motor 7 is fixed on the slidable base, so that the driving servo motor 7 moves left and right along with the pushing of the bearing 1-2 in the process of moving left and right, and simultaneously drives the screw rod 5 to rotate.
As shown in figure 2, the semi-solid magnesium alloy high-pressure injection molding machine of the present invention has the working process that the driving servo motor 7 is started to drive the screw rod 5 to rotate, the heating device 9 is started to preheat the charging barrel 3 and the nozzle 2, magnesium alloy particles or fragments are put into the connecting barrel 4 through the storage bin 8, high-pressure oil in the high-pressure oil tank is sent into the closed space through the oil conveying ports 1-11 on the box body 1-1 near the end of the driving servo motor 7, at this time, high-pressure oil in the other closed space is returned into the high-pressure oil tank through the oil conveying ports 1-11 at the upper end of the other closed space, the partition plates 1-3 are driven to move towards the front end along with the feeding and the discharging of the high-pressure oil, further driving the pushing bearing 1-2 to move towards the front end, and simultaneously driving the screw rod 5 to rotate at a high speed under the driving of the driving servo motor 7, so that the screw rod 5 moves towards the end of the nozzle 2 under the condition of continuous rotation; the magnesium alloy material added into the charging barrel 3 is heated by the heating device 9 to be a semi-solid state with solid-liquid two-phase coexistence, then the magnesium alloy is changed from the solid phase to a ball shape by the shearing action of the screw 5, the viscosity of the magnesium alloy is reduced, the fluidity of the magnesium alloy is increased, the magnesium alloy continuously flows to the nozzle 2 and is sprayed out through the nozzle 2 in the process of the rotation pushing and the forward end moving of the screw 5, and finally, a magnesium alloy product is formed in the die 11. After a magnesium alloy product is processed, the screw 5 is moved in the direction far away from the nozzle 2 by changing the modes of feeding high-pressure oil into and out of the two oil conveying ports 1-11, at the moment, the circulating water of the cooling device 10 is opened to cool the charging barrel 3, and when the screw 5 returns to the initial position, the temperature of the charging barrel 3 is reduced by about 150 ℃; at this time, a new batch of magnesium alloy material is put in through the material bin 8, and the next magnesium alloy product is processed.
By utilizing the high-pressure injection molding machine, the magnesium alloy materials are continuously heated to be in a semi-solid state in the pushing process, and before the next batch of magnesium alloy materials are fed, the temperature of the charging barrel 3 is reduced, so that the superposition effect caused by the heat release phenomenon of the magnesium alloy in the conveying process can be avoided, and the molding effect of the magnesium alloy is influenced by the overhigh temperature of the materials when the materials reach the nozzle 2; by the mode, the magnesium alloy can be in the best melting semi-solid state when reaching the nozzle 2, the spraying effect is better, and the forming effect of the magnesium alloy product is better; through the design that the diameter of the nozzle 2 is smaller than that of the charging barrel 3 and the channel of the slender nozzle 2, when the material reaches the nozzle 2, the material is instantly compressed in a rapidly reduced space to form huge injection pressure and is injected into the die 11 from the nozzle 2 at high speed, so that the semi-solid magnesium alloy material is rapidly filled into each corner of the die 11, and further the size of the magnesium alloy product is more stable, and the surface with higher precision is smoother. The high-pressure injection molding machine has the advantages of low energy consumption, quick molding, better quality of the molded magnesium alloy product, smoother surface, higher dimensional precision and more stable dimension, and can also process more complex workpieces, such as bicycle front forks with 90-degree included angles, thereby being very suitable for wide popularization and application in the field of magnesium alloy processing.
Claims (6)
1. A semi-solid magnesium alloy high-pressure injection molding machine is characterized by comprising an oil pressure pushing device (1), a nozzle (2), a charging barrel (3), a connecting barrel (4), a screw (5), a non-return ring (6), a driving servo motor (7), a storage bin (8), a heating device (9) and a cooling device (10);
the oil pressure pushing device (1) comprises a box body (1-1), a pushing bearing (1-2) and a partition plate (1-3), wherein the pushing bearing (1-2) horizontally penetrates through the box body (1-1), the partition plate (1-3) is fixedly sleeved on an outer ring of the pushing bearing (1-2) and divides the interior of the box body (1-1) into two closed spaces, two oil conveying ports (1-11) are arranged on the box body (1-1), and openings of the oil conveying ports are respectively positioned in cavities of the two closed spaces;
the nozzle (2), the material cylinder (3) and the connecting cylinder (4) are horizontally arranged and are sequentially communicated, a box body (1-1) of the oil pressure pushing device (1) is fixedly connected with one side of the connecting cylinder (4), the screw rod (5) is horizontally arranged in the material cylinder (3) and the connecting cylinder (4), a non-return ring (6) is sleeved at the front end of the screw rod (5), the tail end of the screw rod penetrates through an inner ring of the pushing bearing (1-2) and is connected with a shaft of the driving servo motor (7), a discharge hole of the storage bin (8) penetrates into the connecting cylinder (4), the heating device (9) wraps the material cylinder (3), and the cooling device (10) wraps the heating device (9);
the feed cylinder (3), the connecting cylinder (4) and the oil pressure pushing device (1) are all fixed on the base, and the driving servo motor (7) is fixed on the slidable base.
2. The semi-solid magnesium alloy high-pressure injection molding machine according to claim 1, wherein the diameter of the outlet of the nozzle (2) is 1/5-1/3 of the diameter of the charging barrel (3).
3. The semi-solid magnesium alloy high-pressure injection molding machine according to claim 1, wherein the ratio of the channel length to the channel diameter of the nozzle (2) is (3-6): 1.
4. A semi-solid magnesium alloy high-pressure injection molding machine according to claim 1, wherein the nozzle (2) is externally wrapped with a heating device (9).
5. The semi-solid magnesium alloy high-pressure injection molding machine according to claim 1 or 4, wherein the heating device (9) is an electromagnetic induction heating device, a resistance heating device or a heat carrier heating device.
6. A semi-solid magnesium alloy high-pressure injection molding machine according to claim 1, wherein the cooling device (10) is a jacket filled with circulating water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920658815.7U CN210098914U (en) | 2019-05-09 | 2019-05-09 | Semi-solid magnesium alloy high-pressure injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920658815.7U CN210098914U (en) | 2019-05-09 | 2019-05-09 | Semi-solid magnesium alloy high-pressure injection molding machine |
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| Publication Number | Publication Date |
|---|---|
| CN210098914U true CN210098914U (en) | 2020-02-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920658815.7U Active CN210098914U (en) | 2019-05-09 | 2019-05-09 | Semi-solid magnesium alloy high-pressure injection molding machine |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110039026A (en) * | 2019-05-09 | 2019-07-23 | 宁夏中太镁业科技有限公司 | A kind of semi-solid magnesium alloy high pressure Jet forming machine |
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2019
- 2019-05-09 CN CN201920658815.7U patent/CN210098914U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110039026A (en) * | 2019-05-09 | 2019-07-23 | 宁夏中太镁业科技有限公司 | A kind of semi-solid magnesium alloy high pressure Jet forming machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231129 Address after: Room 1201, building 1, No. 258, Zhijiang Road, Fengxian District, Shanghai 201402 Patentee after: Shanghai Shangfei Gaoche Industrial Co.,Ltd. Address before: 750000 villa 71, innovation park, development zone, Jinfeng District, Yinchuan City, Ningxia Hui Autonomous Region Patentee before: Ningxia Zhongtai Magnesium Technology Co.,Ltd. |
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| TR01 | Transfer of patent right |