CN109277553B - Material injection mechanism of liquid die forging machine - Google Patents
Material injection mechanism of liquid die forging machine Download PDFInfo
- Publication number
- CN109277553B CN109277553B CN201811253555.1A CN201811253555A CN109277553B CN 109277553 B CN109277553 B CN 109277553B CN 201811253555 A CN201811253555 A CN 201811253555A CN 109277553 B CN109277553 B CN 109277553B
- Authority
- CN
- China
- Prior art keywords
- shell
- injection
- water channel
- lifting
- rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D18/00—Pressure casting; Vacuum casting
- B22D18/02—Pressure casting making use of mechanical pressure devices, e.g. cast-forging
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
The invention relates to a die part, in particular to a material injection mechanism of a liquid die forging machine. Including quiet template, lug, shell, hoist mechanism, injection mechanism, cooling system and swing hydraulic cylinder, the lug is established in pairs in quiet template lower part, the shell left and right sides is equipped with the pivot, the shell rotates with the lug through the pivot to be connected, the inside fixed mounting of shell has hoist mechanism, injection mechanism connects the output at hoist mechanism, injection mechanism is connected with cooling system, swing hydraulic cylinder pass through the universal joint with the shell is connected. The invention realizes flexible feeding process through the shell and the lifting lug which are connected in a rotating way, can save the space occupied by the movement of the injection mechanism, simultaneously saves the matching time of the matching movement between the devices, and has high working efficiency.
Description
Technical Field
The invention relates to a die part, in particular to a material injection mechanism of a liquid die forging machine.
Background
Aluminum alloy wheel hubs are the replacement products of steel wheel hubs, and the current methods for manufacturing aluminum alloy products at home and abroad comprise a forging method and a casting method, although the forging method has good quality, but the finished product rate is low, the production cost is high, and the price is expensive, so the casting method is generally used for production at present, but the production quality of products produced by the common gravity casting method is not high, the production method is basically eliminated, the low-pressure casting method is mostly adopted for production internationally, the method improves the product quality and the yield to a certain degree, but has complex process and huge equipment investment, and the liquid die forging method leads the aluminum alloy to be crystallized under high pressure, a certain amount of deformation is generated in the crystallization process, the defects of lockholes, looseness, air holes and the like are eliminated, the product has the excellent performance close to that of a forged piece, the high efficiency and the high precision of a precision casting piece are realized, and the investment is greatly lower than that of a low-pressure casting method. The injection mechanism is one of the most important parts of the extrusion casting machine, directly determines the product quality and the repeatability precision, and has the functions of pushing liquid aluminum liquid into a die at a certain speed and pressure after receiving materials and applying a certain pressure to realize the forging process.
the Chinese patent of invention (CN106968995B) discloses that the invention relates to a pressure injection system of a die casting machine with stable start, the side part of the oil outlet of a rod cavity of a pressure injection oil cylinder is provided with a piston rod guide hole intersected with the oil outlet, a piston rod of an extrusion oil cylinder can extend into the oil outlet of the rod cavity of the pressure injection oil cylinder through the piston rod guide hole, a pressure oil inlet pipeline is respectively connected with a rodless cavity oil inlet of the pressure injection oil cylinder and a pressure oil inlet of an extrusion oil cylinder control valve, one working oil port of the extrusion oil cylinder control valve is connected with a rodless cavity oil inlet of the extrusion oil cylinder, the other working oil port is connected with a rod cavity oil outlet of the extrusion oil cylinder, the oil outlet is connected with an oil return box, the rod cavity oil outlet of the pressure injection oil cylinder is connected with two parallel injection oil return branches, the oil inlet of a one-way valve of one branch is connected with the oil return box, the oil outlet is connected with the rod cavity oil outlet, the oil outlet is connected with an oil return tank. The extrusion oil cylinder is used for extruding the hydraulic oil injected into the front cavity of the oil cylinder to increase the back pressure. The invention extrudes the hydraulic oil in the front cavity of the injection oil cylinder through the extrusion oil cylinder, increases the back pressure, ensures that no shaking exists in the injection starting stage, avoids slag air in molten aluminum, ensures that the injection starting is more stable, ensures the quality of die-casting products, and is a practical new design. Therefore, the invention mainly solves the technical problem of avoiding the possibility of reducing air inclusion in the aluminum liquid due to larger jitter in the injection starting stage and has no relation with the realization of the structure simplification of the injection mechanism.
The invention discloses a material injection device of a die casting machine, which comprises a charging barrel for containing molten metal and a plunger arranged in an inner cavity of the charging barrel, wherein the charging barrel comprises a straight part and a gooseneck part, the straight part and the gooseneck part are in transitional connection through an inclined part, and the lowest point of the inclined part is lower than the lowest point of a discharge hole of the gooseneck part; the plunger comprises a first plunger head and a second plunger head which are connected through a plunger rod, a pressure-free chamber for storing molten metal is formed among the first plunger head, the second plunger head, the plunger rod and the straight portion, a pressure chamber for storing molten metal to be injected is formed among the first plunger head, the gooseneck portion and the straight portion, and a one-way circulation device which is suitable for being closed in the material injection process and opened in the plunger resetting process is arranged between the pressure chamber and the pressure-free chamber. The injection device of the die casting machine has the advantages of short die casting period, high production efficiency and higher product percent of pass, and can reduce the heating temperature of molten metal and prolong the service life of parts such as dies and the like. Therefore, the technical problems mainly solved by the technical scheme are that the technical defects that the charging barrel of the existing cold die-casting device can only inject the molten metal of a single casting each time, the die-casting period is long, the production efficiency is low, the height of the molten metal in the charging barrel is difficult to control, bubbles are easily embedded in the casting, a die made of H13 steel is easily softened and even cracks are easily generated, the service life of the die is seriously influenced, and the effect of simplifying the structure cannot be achieved.
Disclosure of Invention
The invention aims to solve the technical problem of providing a material injection mechanism of a liquid forging machine aiming at the defects of the prior art.
the invention aims to solve the technical problem by the following technical scheme, and discloses a material injection mechanism of a liquid die forging machine, which comprises a static template, lifting lugs, a shell, a lifting mechanism, an injection mechanism, a cooling system and a swing hydraulic cylinder, wherein the lifting lugs are arranged at the lower part of the static template in pairs, rotating shafts are arranged at the left side and the right side of the shell, the shell is rotatably connected with the lifting lugs through the rotating shafts, the lifting mechanism is fixedly arranged in the shell, the injection mechanism is connected with the output end of the lifting mechanism, the injection mechanism is connected with the cooling system, and the swing hydraulic cylinder is connected with the shell through a universal joint.
The technical problem to be solved by the invention can be further realized by the following technical scheme that the lifting mechanism comprises a lifting oil cylinder, and the lifting mechanism can drive the whole injection mechanism to move up and down along the material injection direction through the lifting oil cylinder.
The technical problem to be solved by the invention can be further realized by the following technical scheme that the lifting mechanism further comprises an injection stroke detection device capable of detecting the self movement stroke of the lifting mechanism.
The technical problem to be solved by the invention can be further solved by adopting the following technical scheme that the injection mechanism comprises an injection shell, a material pushing hydraulic cylinder, a push rod, a material pushing head and a material cavity, the injection shell is connected with the output end of the lifting mechanism, the front end of the injection shell is provided with the material cavity capable of containing aluminum liquid, the material cavity is internally provided with the material pushing head, the center of the injection shell is provided with a shell inner water channel, the push rod penetrates through the shell inner water channel to be connected with the material pushing head, the center of the push rod is provided with a rod inner water channel, the front end of the rod inner water channel is communicated with a rod end through hole which is radially communicated, a cooling water channel formed by the shell inner water channel, the rod inner water channel and the rod end through hole is connected with the.
The technical problem to be solved by the invention can be further realized by the following technical scheme that a position detection device is further arranged on the injection mechanism, and the position detection device can detect the movement stroke of the push rod.
The technical problem to be solved by the invention can be further realized by the following technical scheme that a waterway sealing device is arranged in the injection mechanism.
The technical problem to be solved by the invention can be further realized by the following technical scheme that a water outlet connected with the water channel in the shell is arranged in the injection shell.
The technical problem to be solved by the invention can be further realized by the following technical scheme that a water inlet is arranged in the injection shell, and the inlet of the water channel in the rod is communicated with the water inlet of the injection shell when the push rod moves to the forefront.
The technical problem to be solved by the invention can be further realized by the following technical scheme that the material pushing head is movably connected with the push rod.
The technical problem to be solved by the invention can be further realized by the following technical scheme that the cylinder body of the swing hydraulic cylinder is fixed on an external frame.
Compared with the prior art, the invention has the following advantages:
(1) The flexible feeding and feeding process is realized through the rotationally connected shell and the lifting lugs, so that the occupied space of the movement of the injection mechanism can be saved, the matching time of the matched movement between the devices is saved, and the working efficiency is high;
(2) According to the invention, the shell is rotationally connected with the lifting lug, so that the alignment precision of the material cavity at the end part of the injection material and the injection opening of the mold is improved, and the movement reliability is high;
(3) According to the invention, the lifting mechanism is arranged in the shell, so that the injection mechanism can rapidly and accurately inject materials through the injection mechanism after the whole injection mechanism rapidly moves towards the direction of the mold, and the movement precision and the injection efficiency are improved through the hierarchical movement;
(4) The injection mechanism is internally provided with a water cooling loop, so that the rapid cooling effect can be realized according to the injection requirement of the die, and the injection mechanism is compact in structure and ingenious in design;
(5) The material pushing head is movably connected with the push rod, so that the material pushing head can be replaced according to the length of the material injecting stroke, and the efficient material injecting is ensured.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a side schematic view of FIG. 1 with the housing 3 removed;
fig. 3 is a schematic view of the waterway structure inside the injection housing 51;
1-a static plate, 2-a lifting lug, 3-a shell, 31-a rotating shaft, 32-an injection stroke detection device, 4-a lifting mechanism, 5-an injection mechanism, 52-a material pushing hydraulic cylinder, 53-a push rod, 54-a material pushing head, 55-a material cavity, 56-a position detection device, 6-a cooling system, 61-a rod inner water channel, 62-a shell inner water channel, 63-a rod end through hole and 7-a swing hydraulic cylinder.
Detailed Description
As shown in fig. 1-3, the invention discloses a material injection mechanism of a liquid die forging machine, which comprises a static template 1, lifting lugs 2, a shell 3, a lifting mechanism 4, an injection mechanism 5, a cooling system 6 and a swing hydraulic cylinder 7, wherein the lifting lugs 2 are arranged at the lower part of the static template 1 in pairs, rotating shafts 31 are arranged at the left side and the right side of the shell 3, the shell 3 is rotatably connected with the lifting lugs 2 through the rotating shafts 31, the lifting mechanism 4 is fixedly arranged in the shell 3, the injection mechanism 5 is connected with the output end of the lifting mechanism 4, the injection mechanism 5 is connected with the cooling system 6, and the swing hydraulic cylinder 7 is connected with the shell 3 through a universal joint. The lifting mechanism 4 comprises a lifting oil cylinder, and the lifting mechanism 4 can drive the injection mechanism 5 to integrally move up and down along the material injection direction through the lifting oil cylinder. The lifting mechanism 4 further includes a shot stroke detection device 32 that can detect the movement stroke of the lifting mechanism 4 itself.
The injection mechanism 5 comprises an injection shell 3, a material pushing hydraulic cylinder 52, a push rod 53, a material pushing head 54 and a material cavity 55, the injection shell 3 is connected with the output end of the lifting mechanism 4, the front end of the injection shell 3 is provided with the material cavity 55 capable of containing aluminum liquid, the material cavity 55 is internally provided with the material pushing head 54, the center of the injection shell 3 is provided with a shell inner water channel 62, the push rod 53 penetrates through the shell inner water channel 62 to be connected with the material pushing head 54, the center of the push rod 53 is provided with a rod inner water channel 61, the front end of the rod inner water channel 61 is communicated with a rod end through hole 63 which is radially communicated, a cooling water channel formed by the shell inner water channel 62, the rod inner water channel 61 and the rod end through hole 63 is connected with the cooling system 6, and the. The injection mechanism 5 is further provided with a position detection device 56, and the position detection device 56 can detect the movement stroke of the push rod 53. A waterway sealing device is arranged in the injection mechanism 5. A water outlet connected with the shell inner water channel 62 is arranged in the injection shell 3. A water inlet is arranged in the injection shell 3, and the inlet of the water channel 61 in the rod is communicated with the water inlet of the injection shell 3 when the push rod 53 moves to the forefront. The material pushing head 54 is movably connected with the push rod 53. The cylinder body of the swing hydraulic cylinder 7 is fixed on an external frame.
in the actual production process, the shell 3 can swing around the rotating shaft 31 relative to the lifting lug 2 under the action of the swing hydraulic cylinder 7, and at the beginning, the shell swings to the feeding cavity 55 at the feeding part to add aluminum liquid, the material pushing head 54 is at the lowest end, and the lifting mechanism 4 is at the lowest end. After the feeding is finished, the shell 3 swings towards the die of the static plate 1 under the action of the swing hydraulic cylinder 7. After the aluminum liquid is aligned to the molten aluminum injection opening of the mold, the lifting mechanism 4 acts to drive the injection mechanism 5 and the material cavity 55 thereof to move towards the injection opening and enter the injection opening of the mold. After the material cavity 55 enters the injection port, the push rod 53 drives the material pushing head 54 to push out the aluminum liquid under the action of the material pushing hydraulic cylinder 52, when the pushing of the push rod 53 is completed, the inlet of the rod inner water channel 61 on the push rod 53 is just communicated with the water inlet of the injection shell 3, the cooling water in the cooling system 6 flows into the shell inner water channel 62 through the rod inner water channel 61 and the rod end through hole 63, and then the cooling water flows back to the cooling system 6 from the water outlet of the injection shell 3, so that the cooling is realized. After the injection is completed, the push rod 53 will move in a return stroke, the lifting mechanism 4 will move in a return stroke, and the swing hydraulic cylinder 7 will move in a return stroke finally, and the next injection is performed again.
the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. Liquid die forging machine penetrates material mechanism, its characterized in that: the injection molding machine comprises a static template, lifting lugs, a shell, a lifting mechanism, an injection mechanism, a cooling system and a swing hydraulic cylinder, wherein the lifting lugs are arranged at the lower part of the static template in pairs, rotating shafts are arranged at the left side and the right side of the shell, the shell is rotatably connected with the lifting lugs through the rotating shafts, the lifting mechanism is fixedly arranged in the shell, the injection mechanism is connected with the output end of the lifting mechanism, the injection mechanism is connected with the cooling system, and the swing hydraulic cylinder is connected with the shell through a universal joint;
the injection mechanism comprises an injection shell, a material pushing hydraulic cylinder, a push rod, a material pushing head and a material cavity, the injection shell is connected with the output end of the lifting mechanism, the front end of the injection shell is provided with the material cavity capable of containing aluminum liquid, the material cavity is internally provided with the material pushing head, the center of the injection shell is provided with an in-shell water channel, the push rod penetrates through the in-shell water channel and is connected with the material pushing head, the center of the push rod is provided with an in-rod water channel, the front end of the in-rod water channel is communicated with a rod end through hole which is radially communicated, a cooling water channel formed by the in-shell water channel, the in-rod water channel and the rod end through hole is;
A water inlet is arranged in the injection shell, and an inlet of the water channel in the rod is communicated with the water inlet of the injection shell when the push rod moves to the forefront; a water outlet connected with the water channel in the shell is arranged in the injection shell; a waterway sealing device is also arranged in the injection mechanism;
The material pushing head is movably connected with the push rod;
The lifting mechanism comprises a lifting oil cylinder, and the lifting mechanism can drive the whole injection mechanism to move up and down along the injection direction through the lifting oil cylinder.
2. the liquid die forging machine shooting mechanism of claim 1, wherein: the lifting mechanism further comprises an injection stroke detection device capable of detecting the self movement stroke of the lifting mechanism.
3. The liquid die forging machine shooting mechanism of claim 1, wherein: and the injection mechanism is also provided with a position detection device, and the position detection device can detect the movement stroke of the push rod.
4. the liquid die forging machine shooting mechanism of claim 1, wherein: and the cylinder body of the swing hydraulic cylinder is fixed on the external frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811253555.1A CN109277553B (en) | 2018-10-25 | 2018-10-25 | Material injection mechanism of liquid die forging machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811253555.1A CN109277553B (en) | 2018-10-25 | 2018-10-25 | Material injection mechanism of liquid die forging machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109277553A CN109277553A (en) | 2019-01-29 |
| CN109277553B true CN109277553B (en) | 2019-12-06 |
Family
ID=65178486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811253555.1A Active CN109277553B (en) | 2018-10-25 | 2018-10-25 | Material injection mechanism of liquid die forging machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109277553B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111906273A (en) * | 2020-08-11 | 2020-11-10 | 广州楚河工业设计合伙企业(有限合伙) | Die-assembling coaxial-axis device for horizontal extrusion casting machine and casting machine thereof |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1358957A2 (en) * | 2002-04-17 | 2003-11-05 | Toshihara Kanagata Kogyo Co., Ltd. | Molding device |
| CN200981101Y (en) * | 2006-10-30 | 2007-11-28 | 许水平 | Water-cooled type die casting punching head |
| CN101780534A (en) * | 2009-01-20 | 2010-07-21 | 苏州三基机械有限公司 | Novel extrusion injection device |
| CN201592241U (en) * | 2010-01-11 | 2010-09-29 | 美诺精密压铸(上海)有限公司 | Die casting punch system |
| CN102672135A (en) * | 2012-05-18 | 2012-09-19 | 苏州三基铸造装备股份有限公司 | Swinging type squeezing system |
| CN103212693A (en) * | 2013-03-27 | 2013-07-24 | 金相龙 | Novel molten metal forging machine |
| CN103648688A (en) * | 2011-06-28 | 2014-03-19 | 库珀罗麦克压铸股份独资公司 | Piston for a die-casting machine |
| CN104942266A (en) * | 2014-03-26 | 2015-09-30 | 苏州慧驰轻合金精密成型科技有限公司 | Press-shooting system for novel extrusion casting machine |
| CN106903289A (en) * | 2017-04-27 | 2017-06-30 | 苏州三基铸造装备股份有限公司 | Extrusion casting machine injection swings actuating unit |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206952129U (en) * | 2017-05-24 | 2018-02-02 | 瑞鼎机电科技（昆山）有限公司 | Pouring bushing for die casting die and injection punch head fit structure |
-
2018
- 2018-10-25 CN CN201811253555.1A patent/CN109277553B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1358957A2 (en) * | 2002-04-17 | 2003-11-05 | Toshihara Kanagata Kogyo Co., Ltd. | Molding device |
| CN200981101Y (en) * | 2006-10-30 | 2007-11-28 | 许水平 | Water-cooled type die casting punching head |
| CN101780534A (en) * | 2009-01-20 | 2010-07-21 | 苏州三基机械有限公司 | Novel extrusion injection device |
| CN201592241U (en) * | 2010-01-11 | 2010-09-29 | 美诺精密压铸(上海)有限公司 | Die casting punch system |
| CN103648688A (en) * | 2011-06-28 | 2014-03-19 | 库珀罗麦克压铸股份独资公司 | Piston for a die-casting machine |
| CN102672135A (en) * | 2012-05-18 | 2012-09-19 | 苏州三基铸造装备股份有限公司 | Swinging type squeezing system |
| CN103212693A (en) * | 2013-03-27 | 2013-07-24 | 金相龙 | Novel molten metal forging machine |
| CN104942266A (en) * | 2014-03-26 | 2015-09-30 | 苏州慧驰轻合金精密成型科技有限公司 | Press-shooting system for novel extrusion casting machine |
| CN106903289A (en) * | 2017-04-27 | 2017-06-30 | 苏州三基铸造装备股份有限公司 | Extrusion casting machine injection swings actuating unit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109277553A (en) | 2019-01-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207431212U (en) | The semisolid injection (mo(u)lding) machine of multistation injection | |
| CN208178394U (en) | A kind of die casting | |
| CN215845609U (en) | Horizontal die casting machine of ration unloading | |
| CN108672673A (en) | A kind of double punch injection structures of die casting machine | |
| CN109277553B (en) | Material injection mechanism of liquid die forging machine | |
| CN104107782A (en) | Pneumatically driven thermal insulation wax injection gun | |
| CN202045356U (en) | One-way valve injection device for die casting machine | |
| CN104259423B (en) | Injection device for die-casting machine | |
| CN203541487U (en) | Die-casting die and die-casting system comprising same | |
| CN105415731A (en) | Water hydraulic die-casting machine and hydraulic system thereof | |
| CN117324584A (en) | Precise die-casting die for filter shell and forming process | |
| CN116352051B (en) | Die-casting die and die-casting process | |
| CN103273039B (en) | Hydraulic mould-matching locked mode liquid forging extrusion casting machine | |
| CN208613712U (en) | Head shell die casting | |
| CN213350766U (en) | Split type material pipe injection device for semi-solid magnesium alloy | |
| CN201721001U (en) | Pressure-retaining injection nozzle | |
| CN115091695A (en) | Electronic plastify inversion formula injection device of little pressurize of PP bottle base single-stage | |
| CN210390010U (en) | Injection mechanism of horizontal multi-station four-cylinder rubber injection molding machine | |
| CN203944531U (en) | A kind of Pneumatic driving type insulation casting rifle | |
| CN202357392U (en) | Injection mechanism for two-step injection molding | |
| CN111097888A (en) | Double-pumping type vacuum die-casting system | |
| CN213533491U (en) | Injection molding device for production of power adapter shell | |
| CN214773800U (en) | Injection unit of high-performance injection molding machine | |
| CN209682850U (en) | A kind of novel clasp mould mechanism of injection mold | |
| CN205362598U (en) | Die -casting is with vertical microdiecast machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |