CN210450889U

CN210450889U - Liquid metal deformation processing equipment

Info

Publication number: CN210450889U
Application number: CN201920904501.0U
Authority: CN
Inventors: 韩革新; 金景云; 邵佳萍; 韩苗苗
Original assignee: 韩革新; 金景云; 邵佳萍; 韩苗苗
Current assignee: CHANGZHOU WAIPU ELECTRONICS TECH. Co.,Ltd.
Priority date: 2019-05-31
Filing date: 2019-06-14
Publication date: 2020-05-05
Anticipated expiration: 2029-06-14
Also published as: CN210450888U

Abstract

The utility model discloses a liquid metal deformation processing equipment, this liquid metal deformation processing equipment include the slurrying platform at least, the slurrying platform adopts two parallel four-bar linkage to realize, so can make this liquid metal deformation processing equipment overall structure compact, economize the space, be particularly suitable for the transformation of ordinary metal die casting machine die casting technology, increase this liquid metal deformation processing equipment, accomplish the full automatic production line of the semi-solid rheological molding die-casting of ordinary die casting machine.

Description

Liquid metal deformation processing equipment

[ technical field ] A method for producing a semiconductor device

The utility model relates to a production facility field especially indicates liquid metal deformation processing equipment.

[ background of the invention ]

The semi-solid forming (semi-solid forming) process broadly refers to a forming process performed on a semi-solid metal billet having a temperature between a solidus temperature and a liquidus temperature. The basic concept and process of the process was proposed and established in the 70 s of the 20 th century by professor Flemings of the national institute of technology (MIT) of the ma, province, and by his research team. The semi-solid forming process can improve the mechanical property of the finished piece, and is a novel metal forming technology with high efficiency and low consumption.

Semi-solid forming can be divided into slush forming (Mushy process), rheoforming (Rheo-process) and thixoforming (Thixo-process). The method has the advantages of short flow, low cost and the like, but the application step of the rheoforming process is limited to a great extent due to the limitations of pulping equipment and the like. Therefore, the existing semisolid forming process mostly adopts a mud state forming or thixoforming process with long flow and high cost.

[ Utility model ] content

An object of the utility model is to provide a liquid metal deformation processing equipment for solve the difficult problem that the slurrying equipment of flow becomes shape process is complicated and inefficiency.

In order to realize the purpose, implement the utility model discloses a liquid metal deformation processing equipment includes the slurrying platform at least, the slurrying platform adopts two parallel four-bar linkage to realize.

According to the above main feature, the pulping table includes a first plate and a second plate, wherein the first plate is a frame rod of the double-parallelogram four-bar mechanism, and the second plate is a link rod of the double-parallelogram four-bar mechanism.

According to the main feature, the first plate and the second plate are hinged by three cranks.

According to the main characteristics, one crank is connected to the planetary gear reducer, and the servo motor drives the planetary gear reducer to drive the crank to rotate.

Compared with the prior art, implement the utility model discloses a slurrying platform of liquid metal deformation processing equipment adopts two parallel four-bar linkage to realize, can make this liquid metal deformation processing equipment overall structure compact, economizes the space, is particularly suitable for the transformation of ordinary metal die casting machine die casting technology, increases this liquid metal deformation processing equipment, accomplishes the full automatic production line of the semi-solid rheoforming die-casting of ordinary die casting machine.

[ description of the drawings ]

Fig. 1 is a three-dimensional exploded schematic view of the liquid metal deformation processing equipment of the present invention.

FIG. 2 is an exploded perspective view of the pulping table and the pulping apparatus of FIG. 1.

Fig. 3 is a schematic view of the working state of the liquid metal deformation processing equipment.

Fig. 4 is a schematic view of fig. 3 from another angle.

[ detailed description ] embodiments

The utility model discloses a liquid metal deformation processing equipment, this liquid metal deformation processing equipment include the multistation revolving stage, locate a plurality of pulping stations on this multistation revolving stage, locate pulping device and the control system on this pulping station, wherein the multistation revolving stage is rotatory and cut apart the location through a drive arrangement drive, and the pulping station follows the same gyration of this multistation revolving stage and location with pulping device, and station gyration drive parameter and location position can be according to production requirement settlement control.

The pulping table is realized by adopting a double parallel four-bar mechanism, is driven by a servo motor or a stepping motor and a planet gear reducer, and the motion parameters can be adjusted according to the requirements of different products. The pulping table can be turned over horizontally (the plane of the pulping table is horizontal), 45 degrees (the plane of the pulping table is inclined by 45 degrees) and 90 degrees (the plane of the pulping table is vertical) according to the requirements of all stations so as to realize semi-solid pulping, material injection (liquid metal liquid) and semi-solid slurry taking. The pulping table comprises a first plate, a second plate and a third plate, wherein the first plate is a frame rod of a double-parallel four-bar mechanism, the second plate is a connecting rod of the double-parallel four-bar mechanism, the first plate and the second plate are hinged through three cranks, one driving crank is connected to a planetary gear reducer, the planetary gear reducer is driven by a servo motor to drive the driving crank to make rotary motion, the driving crank and the other two driven cranks realize stable planar motion of the second plate serving as the connecting rod together, parameters of the planar motion can be controlled, the third plate is a base plate of the pulping device, the third plate is rigidly connected with the second plate through pressure-resistant heat-insulating materials, and the planar motion is transmitted to the pulping device. The pulping device comprises a crucible, a temperature measuring device, a heating device, a heat preservation device, a cooling device, a clamping mechanism and a sealing part, the pulping device is fixed on a third plate of the pulping table through the sealing part and a high-temperature heat insulation material, the crucible is made of high-temperature resistant alloy steel, a high-temperature resistant protective coating is coated on the inner surface of the crucible, the shape and the size of the pulping device are determined according to die-casting products, die-casting machine interfaces, clamping sealing requirements and heat capacity of the pulping device, a high-temperature resistant sealing plate is arranged at the bottom of the crucible, the high-temperature resistant sealing plate is sealed by combining end face sealing and labyrinth sealing, and the structure. The temperature measuring device comprises two parts, wherein the first part is arranged on a high-temperature resistant sealing plate which is directly contacted with molten metal and is used for directly measuring the temperature of the molten metal in the crucible, and the second part is embedded in the temperature rising device. In the pulping process, the heat is compensated or reduced according to the temperature of the molten metal obtained by the measurement of the first part of the temperature measuring device, the temperature of the temperature rising device obtained by the measurement of the second part of the temperature measuring device and the thermal capacity of the molten metal in the crucible, and the optimal parameters in the pulping process are controlled. The clamping mechanism has two functions of clamping the crucible to ensure the positioning and sealing of the crucible and keeping the heating device, the heat preservation device and the cooling device in contact with the side wall of the crucible, and the two functions are realized by a pneumatic element. In addition, the working temperature of the pneumatic and driving components is considered, a normal temperature measuring device is arranged in a normal temperature working area, and cooling is carried out when the temperature is higher than 50 ℃, so that the normal operation of the pneumatic and driving components is ensured.

The liquid metal deformation processing equipment for implementing the present invention is described below with reference to the accompanying drawings, wherein the accompanying drawings are only a specific embodiment of the present invention, and those skilled in the art can understand that the structure shown in the accompanying drawings can also be implemented by other structures.

Please refer to fig. 1, the liquid metal deformation processing equipment of the present invention includes a multi-station turntable 10, a plurality of pulping devices 11 disposed on the turntable, a plurality of pulping stations 12 corresponding to the pulping devices 11, and a driving motor 13 disposed under the multi-station turntable 10, wherein the driving motor 13 drives the multi-station turntable 10 to rotate, and the pulping devices 11 and the corresponding pulping stations 12 can rotate and cut apart the positioning relative to the multi-station turntable 10, so as to perform loading and unloading.

The multi-station rotary table 10 comprises an upper multi-station rotary table plate 100 and a lower multi-station rotary table plate 101 which are vertically separated, and the pulping device 11 and the corresponding pulping table 12 are arranged on the upper multi-station rotary table plate 100 and hinged with the edge of the upper multi-station rotary table plate 100. The lower plate 101 of the multi-station turntable is provided with a turnover driving device 102 for driving the pulping device 11 and the corresponding pulping table 12. In this embodiment, the turning driving device 102 is a cylinder, one end of the cylinder is hinged to the lower plate 101 of the multi-station turntable, and the other end of the cylinder is hinged to the first plate 121 of the pulping table, and under the action of the cylinder, the first plate 121 of the pulping table 12 is turned over relative to the upper plate 100 of the multi-station turntable 10, so as to drive the pulping device 11 and the corresponding pulping table 12 to turn over. In addition, in the specific implementation, a locking and 45-degree turning positioning device 104 is further disposed on the upper plate 100 of the multi-station rotary table 10, and cooperates with the turning driving device 102 to control the turning of the pulping device 11 and the corresponding pulping table 12. Wherein the locking and 45-degree turning positioning device 104 is driven by a cylinder and is arranged on the lower plate 101 of the multi-station turntable, and the tail end of the locking and 45-degree turning positioning device 104 is provided with a locking and positioning block (not numbered), and the corresponding first plate 121 of the pulping table is provided with a corresponding positioning groove structure (not numbered), so that the plurality of pulping devices 11 and the corresponding pulping tables 12 can be in different positions (as shown in fig. 3 and 4 and described in detail later) of horizontal, 45-degree and 90-degree relative to the multi-station table 10 through the turning driving device 102, the locking and 45-degree turning positioning device 104 and the corresponding locking and positioning groove structure, wherein at the 90-degree position, an external manipulator (not shown in the figure) takes out (discharges) the crucible 2 (described in detail later) and transfers the semi-solid alloy into a die casting machine (not shown in the figure) for die casting, and at the 45-degree position, the liquid alloy (feeding) is added, while in the horizontal position, the liquid alloy is slurried using the slurrying station 12.

The pulping table 12 comprises a first plate 121, a second plate 122 and a third plate 123, wherein the first plate 121 is a rack rod of a double-parallelogram four-bar mechanism, the second plate 122 is a connecting rod of the double-parallelogram four-bar mechanism, the first plate 121 and the second plate 122 are hinged through three cranks 120, one driving crank is connected to a planetary reducer (not shown in the figure), the planetary reducer is driven by a servo motor 124 to drive the driving crank to make a rotary motion, and the other two driven cranks together realize stable planar motion of the second plate 122 serving as the connecting rod, wherein parameters of the planar motion can be controlled, the third plate 123 is a base plate of the pulping device, is rigidly connected with the second plate 122 through a pressure-resistant heat-insulating material (not shown in the figure), and transmits the planar motion to the pulping device 11.

The control system is composed of a PLC or an industrial personal computer and is used for controlling the driving, the cutting and the positioning of the multi-station turntable, the plane motion of the pulping table, the pneumatic control of the overturning, the safe locking and the like of the pulping table, and the on-line of the temperature measurement, the temperature rise, the heat preservation, the cooling and the clamping of the pulping process and the melting furnace and the die casting machine. Wherein the power lines, control signals, gas circuits and measuring signals of the rotating part on the multi-station rotary table 10 are connected to a control system through a rotary adapter (not shown).

As shown in fig. 2, the pulping device 11 includes a crucible 2, a temperature measuring device, a temperature raising device, a temperature keeping device, a cooling device, a clamping mechanism and a sealing component, the pulping device is fixed on the third plate 123 of the pulping table 12 through the sealing component and a high temperature insulation material, wherein the crucible 2 is made of high temperature resistant alloy steel, the inner surface of the crucible is coated with a high temperature resistant protective coating, the shape and the size are determined according to a die casting product, a die casting machine interface, a clamping sealing requirement and a heat capacity thereof, and a high temperature resistant sealing plate (not shown) is arranged at the bottom of the crucible 2, the high temperature resistant sealing plate is sealed by a combination of an end face seal and a labyrinth seal, and the. The temperature measuring device comprises two parts, wherein the first part is arranged on a high-temperature resistant sealing plate which is directly contacted with molten metal to directly measure the temperature of the molten metal in the crucible, and the second part is embedded into the temperature rising device. In the pulping process, the heat is compensated or reduced according to the temperature of the molten metal obtained by the measurement of the first part of the temperature measuring device, the temperature of the temperature rising device obtained by the measurement of the second part of the temperature measuring device and the thermal capacity of the molten metal in the crucible, and the optimal parameters in the pulping process are controlled. The clamping mechanism has two functions of clamping the crucible to ensure the positioning and sealing of the crucible 2 and keeping the heating device, the heat preservation device and the cooling device in contact with the side wall of the crucible, and the two functions are realized by a pneumatic element. In addition, the working temperature of the pneumatic element and the driving part is considered, a normal temperature measuring device is arranged in a normal temperature working area, and the pneumatic element and the driving part are cooled when the temperature is higher than 50 ℃, so that the normal operation of the pneumatic element and the driving part is ensured. In a specific implementation, as shown in fig. 2, the temperature measuring device, the temperature raising device, the temperature keeping device, the cooling device and the clamping mechanism may be provided as a plurality of (e.g. two or three) independent parts, which together form a receiving space for receiving the crucible 2, wherein the temperature raising device may be a heating element 110 disposed close to the surface of the crucible 2, the temperature keeping device may be a heat keeping material 111 disposed outside the heating element 110, and the clamping mechanism includes a frame spinning 112 for fixing the heating element 110 and the heat keeping material 111 and a spinning cylinder 113, wherein the spinning cylinder 113 is disposed at one end of the frame 112, and under the action of the spinning cylinder 113, the plurality of independent parts of the pulping device 11 may be closed or opened, so as to fix or take out the crucible 2. In addition, in the specific implementation, the cooling device may be disposed on the whole pulping device 11 or separately disposed on each independent part of the pulping device 11, and the air cooling or other cooling methods may be adopted in the working principle. In the manner shown in fig. 2, the cooling means includes a plurality of through holes 114 formed on a side surface of the heat insulating material 111 adjacent to the heating element 110 and a gas inlet 115 formed on an outer surface of the frame 114, and the through holes 114 communicate with the gas inlet 115, so that a gas having a low temperature is introduced through the gas inlet 115 and discharged through the through holes 114. In the specific implementation, the operation of the heating element 110 or the cooling of the input gas may be determined according to the heat capacity of the temperature and the temperature holding time required by the liquid alloy, for example, a fixed temperature is required to be maintained for a long time to sufficiently perform the pulping, and the heating element 110 is timely started to perform the heat compensation in order to compensate the heat dissipation. If the temperature of the liquid alloy is decreased rapidly, the heating element 110 is not started, but gas with lower temperature is input through the gas inlet 115, and the gas passes through the through hole 114, so that heat on the heating element 110 and the heat insulation material 111 is taken away, the purpose of temperature reduction is achieved, and the temperature, flow and speed of the input gas can be controlled to achieve the process of temperature reduction. It will be appreciated by those skilled in the art that the cooling device described above may be used for other cooling means (e.g. liquid) in addition to air cooling.

Referring to fig. 3 and 4, in the specific implementation, the feeding position and the material taking position are initially set, that is, the multiple slurry making devices are sequentially rotated to the material taking position by rotating the multi-station turntable, then the turnover driving device 102 and the locking and 45-degree turnover positioning device 104 are linked to drive the slurry making table and the slurry making devices to turn over to 90 degrees with the multi-station turntable, the crucible 2 is taken out by a manipulator (not shown), and the semi-solid alloy slurry made in the crucible is sent to a die casting machine for forming and die casting. The manipulator is controlled to load a predetermined empty crucible 2 into the slurrying device. Then the multi-station rotary table is rotated to another station, the pulping table and the pulping device are in an angle of 45 degrees with the multi-station rotary table, at the moment, feeding is carried out, then the pulping table 12 is turned over to a horizontal position to be locked, and pulping movement is carried out by utilizing the pulping table 12. Stations for taking materials, feeding materials and installing empty crucibles can be combined and initialized to be set at any station according to production site and beat requirements, and pulping parameters can be controlled according to size adjusting parameters of die-casting products so as to realize constant optimal pulping parameters, thereby realizing on-line full-automatic semi-solid metal rheological die-casting.

It should be understood that equivalent alterations and modifications can be made by those skilled in the art according to the technical solution of the present invention and the inventive concept thereof, and all such alterations and modifications should fall within the scope of the appended claims.

Claims

1. The utility model provides a liquid metal deformation processing equipment which characterized in that: the liquid metal deformation processing equipment at least comprises a pulping table, wherein the pulping table is realized by adopting a double parallel four-bar mechanism.

2. A liquid metal deformation apparatus as claimed in claim 1, wherein: the pulping table comprises a first plate and a second plate, wherein the first plate is a frame rod of the double-parallel four-bar mechanism, and the second plate is a connecting rod of the double-parallel four-bar mechanism.

3. A liquid metal deformation apparatus as claimed in claim 2, wherein: the first plate and the second plate are hinged through three cranks.

4. A liquid metal deformation apparatus as claimed in claim 3, wherein: one crank is connected to the planetary gear reducer, and the planetary gear reducer is driven by the servo motor to drive the crank to rotate.

5. A liquid metal deformation apparatus as claimed in claim 4, wherein: the other two cranks are driven cranks which rotate along with the cranks connected with the planet wheel speed reducer.