CN115319046A - Integrated forming device and process for electric vehicle frame - Google Patents
Integrated forming device and process for electric vehicle frame Download PDFInfo
- Publication number
- CN115319046A CN115319046A CN202210931689.4A CN202210931689A CN115319046A CN 115319046 A CN115319046 A CN 115319046A CN 202210931689 A CN202210931689 A CN 202210931689A CN 115319046 A CN115319046 A CN 115319046A
- Authority
- CN
- China
- Prior art keywords
- electric vehicle
- die
- material pipe
- pipe
- frame
- 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.)
- Granted
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/2015—Means for forcing the molten metal into the die
- B22D17/2061—Means for forcing the molten metal into the die using screws
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/22—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/22—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
- B22D17/2218—Cooling or heating equipment for dies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/26—Mechanisms or devices for locking or opening dies
- B22D17/266—Mechanisms or devices for locking or opening dies hydraulically
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/30—Accessories for supplying molten metal, e.g. in rations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D19/00—Casting in, on, or around objects which form part of the product
- B22D19/14—Casting in, on, or around objects which form part of the product the objects being filamentary or particulate in form
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D19/00—Casting in, on, or around objects which form part of the product
- B22D19/16—Casting in, on, or around objects which form part of the product for making compound objects cast of two or more different metals, e.g. for making rolls for rolling mills
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D25/00—Special casting characterised by the nature of the product
- B22D25/005—Casting metal foams
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K19/00—Cycle frames
- B62K19/02—Cycle frames characterised by material or cross-section of frame members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K19/00—Cycle frames
- B62K19/02—Cycle frames characterised by material or cross-section of frame members
- B62K19/04—Cycle frames characterised by material or cross-section of frame members the material being wholly or mainly metallic, e.g. of high elasticity
- B62K19/12—Cycle frames characterised by material or cross-section of frame members the material being wholly or mainly metallic, e.g. of high elasticity having cast members
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention relates to the technical field of processing of electric vehicle frames, and discloses an electric vehicle frame integrated forming device and a process, wherein the electric vehicle frame integrated forming device comprises a processing base and an electric vehicle frame, and the electric vehicle frame comprises a filler layer and a framework substrate layer; the processing base is provided with a die forming mechanism, a first injection mechanism and a second injection mechanism, the die forming mechanism and the first injection mechanism are matched with each other to form a framework matrix layer in a die-casting mode, the die forming mechanism and the second injection mechanism are matched with each other to form a filler layer on the basis of the framework matrix layer in a die-casting mode, and finally the electric vehicle frame is obtained; the first injection mechanism comprises a first material pipe arranged on the processing base; according to the electric vehicle frame integrated forming device and the process, the frame is integrally formed through a die-casting process, welding is not needed, the forming quality is good, the production efficiency is improved, the framework and the filler of the frame are made of various materials, and the frame is endowed with the composite performance of various materials.
Description
Technical Field
The invention relates to the technical field of electric vehicle frame processing, in particular to an electric vehicle frame integrated forming device and process.
Background
An electric vehicle, i.e. an electrically driven vehicle, generally speaking, is a vehicle that uses a battery as an energy source, and converts electric energy into mechanical energy through a controller, a motor and other components to move so as to control the current and change the speed. The electric motor car frame is the bearing structure of electric motor car, and the forming process of electric motor car frame adopts the welding usually at present, and the position that needs the welding is more, and the production technology step is loaded down with trivial details, and production efficiency is not high, and moreover, the welded quality directly influences the bulk strength and the aesthetic property of frame.
The prior art (CN 202110119898.4) discloses an integrally-formed core-pulling process for a magnesium alloy bicycle frame, which comprises the following steps: the method comprises the following steps: step 1, baking a magnesium ingot in a furnace platform of a quantitative furnace, after baking for 15-30 minutes, putting the magnesium ingot into the quantitative furnace, smelting and stirring to form magnesium alloy liquid and preserving heat; step 2, a head pipe core, an upper pipe core, a lower pipe core, a five-way core and a middle pipe core extend into a mold and are respectively used for molding a head pipe, an upper pipe, a lower pipe, a five-way hole and a middle pipe of the frame, and the mold is closed; step 3, preheating the die until the die temperature reaches 165-195 ℃; step 4, firstly, injecting the magnesium alloy liquid into the die at a low speed until the die temperature reaches 230-270 ℃, and then quickly injecting the magnesium alloy liquid to solidify the magnesium alloy liquid to form an integrally formed frame; and 5, opening the mold, respectively drawing out the head tube core, the five-way core, the middle tube core, the upper tube core and the lower tube core, and taking out the integrally formed frame after core pulling, wherein the core pulling speed is 0.1-0.15 m/s. In the prior art, the magnesium alloy melt is used for die-casting to realize the integrated processing of the frame of the electric vehicle, however, the performance of the integrated frame formed by a single alloy substance is poor, and the requirements of gradually improving the performance of the frame at present, such as increasing the strength of the frame, reducing the overall weight, enhancing the impact load capacity and the like, cannot be met.
Therefore, in order to solve the problems in the prior art, the invention provides an integrated forming device and process for a frame of an electric vehicle.
Disclosure of Invention
The invention provides an electric vehicle frame integrated forming device and process, which have the advantages that the frame is integrally formed through a die-casting process, welding is not needed, the forming quality is good, the production efficiency is improved, a framework and fillers of the frame are formed by multiple materials, the frame is endowed with the composite performance of the multiple materials, and the problems that the existing electric vehicle frame forming process in the background art usually adopts welding, the positions needing welding are more, the production process steps are complicated, the production efficiency is low, the overall strength and the attractiveness of the frame are directly influenced by the welding quality, and the performance of the integrally formed frame formed by only adopting a single alloy material is single are solved.
The invention provides the following technical scheme: an electric vehicle frame integrated forming device comprises a processing base and an electric vehicle frame, wherein the electric vehicle frame comprises a filler layer and a framework matrix layer;
the processing base is provided with a die forming mechanism, a first injection mechanism and a second injection mechanism, the framework substrate layer is formed through die-casting of the die forming mechanism and the first injection mechanism in a matched mode, the filler layer is formed through die-casting of the die forming mechanism and the second injection mechanism in a matched mode on the basis of the framework substrate layer, and finally the electric vehicle frame is obtained;
the first injection mechanism comprises a first material pipe arranged on the processing base, a first material pushing screw rod is rotationally arranged in the first material pipe, and a first material injection barrel is arranged on the first material pipe and used for injecting framework matrixes into the first material pipe;
the first material pipe is further provided with an hollow rod, the hollow rod is rotatably arranged in the first material pushing screw rod, the processing base is provided with an air pump, and the air pump is connected with the hollow rod and used for releasing air into the first material pipe.
As an alternative of the integrated forming device for the frame of the electric vehicle, the integrated forming device comprises: the die forming mechanism comprises a fixed die and a movable die, wherein the fixed die is arranged on the processing base, the movable die is arranged on the processing base in a sliding manner, die cavities are formed in the fixed die and the movable die, and the two die cavities are matched with the frame of the electric vehicle;
and a hydraulic push rod is arranged on the processing base and is connected with the movable die.
As an alternative of the integrated forming device for the frame of the electric vehicle, the integrated forming device comprises: the die forming mechanism further comprises a three-way pipe arranged on the fixed die, and the first material pipe is connected with the three-way pipe;
the processing base is provided with a plurality of guide posts, the fixed die is arranged on the guide posts, and the movable die is arranged on the guide posts in a sliding mode.
As an alternative of the integrated forming device for the frame of the electric vehicle, the integrated forming device comprises: the first injection mechanism further comprises an air supply pipeline arranged on the air pump, and the hollow rod is rotatably arranged on the air supply pipeline;
the first material pushing screw is provided with a plurality of first communicating holes, the hollow rod is provided with a plurality of second communicating holes, and the plurality of second communicating holes correspond to the plurality of first communicating holes respectively.
As an alternative of the integrated forming device for the frame of the electric vehicle, the integrated forming device comprises: the first material pipe is provided with a transmission mechanism which is used for realizing that the first material pushing screw rod and the hollow rod rotate in opposite directions, so that the first communication holes and the second communication holes are intermittently meshed;
the transmission mechanism comprises a sun wheel arranged on the hollow rod, the first material pipe is provided with a plurality of rotating rods in a rotating mode, the rotating rods are provided with planet wheels, the planet wheels are all meshed with the sun wheel, a gear ring is arranged on the first material pushing screw, and the gear ring is meshed with the planet wheels.
As an alternative of the integrated forming device for the frame of the electric vehicle, the integrated forming device comprises: the second injection mechanism comprises a second material pipe arranged on the processing base, the second material pipe is connected with the three-way pipe, a second material pushing screw rod is arranged in the second material pipe in a rotating mode, and a second material injection barrel is arranged on the second material pipe and used for injecting fillers into the second material pipe.
As an alternative of the integrated forming device for the frame of the electric vehicle, the integrated forming device comprises: the processing base is provided with a driving mechanism for driving the first injection mechanism and the second injection mechanism to operate, the driving mechanism comprises a motor arranged on the processing base, the hollow rod and the second material pipe are both provided with chain wheels, and the two chain wheels are provided with chains.
As an alternative of the integrated forming device for the frame of the electric vehicle, the integrated forming device comprises: and the first material pipe and the second material pipe are both provided with a plurality of heating devices.
As an alternative of the integrated forming device for the frame of the electric vehicle, the integrated forming device comprises: be provided with cooling mechanism on the cover half, cooling mechanism including set up in condenser and condenser pipe on the cover half, just the condenser with the condenser pipe is connected.
The invention also provides the following technical scheme: the process of the integrated forming device for the frame of the electric vehicle comprises the following steps:
s1, firstly, injecting a framework substrate for forming a framework substrate layer into a first material pipe through a first injection barrel, then driving a hollow rod and a first material pushing screw rod to rotate in opposite directions under the transmission action of a transmission mechanism through the operation of a motor, simultaneously injecting gas into the hollow rod through the starting of a gas pump, and releasing the gas into the first material pipe through a plurality of intermittently meshed first communication holes and second communication holes for mixing;
s2, injecting framework matrix melt mixed with air bubbles into the fixed die through the three-way pipe by rotating the first pushing screw and heating the plurality of heating devices on the first material pipe, pressing the movable die to the fixed die through the hydraulic push rod, and carrying out die-casting on the framework matrix in two die cavities under the condition that the condenser operates to drive circulating cooling liquid in the condenser pipe;
s3, then filling materials for forming the filler layer into a second material pipe through a second material filling barrel, driving a second material pushing screw rod to rotate through the operation of a motor, filling molten filler into the fixed die through a three-way pipe under the heating of a plurality of heating devices on the second material pipe, and forming the filler layer on the framework substrate layer under the condition that a condenser operates to drive circulating cooling liquid in a condensing pipe;
and S4, finally, the movable mold and the fixed mold are driven to be demolded through the operation of the hydraulic push rod, and finally the electric vehicle frame is obtained.
The invention has the following beneficial effects:
1. compared with the traditional frame forming method by welding, the device and the process for integrally forming the frame of the electric vehicle adopt the injection mechanism to inject the molten alloy into the die forming mechanism, then the hydraulic push rod drives the fixed die and the movable die to close the die and release the die, and the integral forming of the frame of the electric vehicle is realized by the die-casting forming process under the cooling action of the cooling mechanism. The production automation degree is high, effectively improves production efficiency, and the shaping is of high quality, need not the welding, and intensity is high, practices thrift the cost of labor.
2. Compared with the traditional single alloy die-casting forming, the device and the process for integrally forming the electric vehicle frame adopt two alloys to respectively form the framework substrate layer and the filler layer, thereby endowing the electric vehicle frame with the performances of the two alloys and meeting the requirements of higher and higher quality of the electric vehicle frame at present. For example, a magnesium alloy with high strength and low density is selected to form the skeleton matrix layer, manganese steel with high impact load resistance is selected to form the filler layer, carbon fiber with lower density and lighter weight is selected to form the skeleton matrix layer, and the like. During production, firstly, framework matrix materials are injected into the first material injection barrel, under the operation of the motor and the heating device, the first material pushing screw rotates to inject framework matrix molten liquid into two mold cavities between the fixed mold and the movable mold through the three-way pipe to form a framework matrix layer, then, filler materials are injected into the second material injection barrel, the filler molten liquid is injected into the mold forming mechanism through the rotation of the second material pushing screw, and under the cooling effect of the cooling mechanism, the frame of the electric vehicle is finally formed.
3. The device and the process for integrally forming the frame of the electric vehicle enable a plurality of holes to be formed in the matrix layer of the framework so as to bear fillers. The first pushing screw rod is arranged to be of a hollow structure, a hollow rod is arranged in the first pushing screw rod, and the hollow rod is connected with the air pump through an air supply pipeline. In the operation process of motor and heating device, start the air pump simultaneously and pour into hollow pole with gas in, the first reverse rotation that pushes away material screw rod and hollow pole of rethread drive mechanism's planetary gear structure realization for a plurality of second intercommunications on the hollow pole and a plurality of first intercommunications holes on the first material screw rod of pushing away communicate intermittently, with gas injection in the first intramural skeleton matrix melt of expecting, form a large amount of bubbles in the melt, then can the shaping skeleton matrix layer that has a large amount of holes in mould forming mechanism.
Drawings
Fig. 1 is a schematic structural view of a frame of an electric vehicle according to the present invention.
Fig. 2 is a schematic structural view of the frame processing equipment of the electric vehicle of the present invention.
Fig. 3 is a schematic view of an explosion structure at the mold forming mechanism of the present invention.
Fig. 4 is a schematic view of the explosion structure at the first injection mechanism and the second injection mechanism of the present invention.
Fig. 5 is a schematic view of an exploded structure of the transmission mechanism of the present invention.
Fig. 6 is a schematic view of the internal structure of the electric vehicle frame processing equipment according to the present invention.
Fig. 7 is a partial enlarged view of a portion a in fig. 6.
In the figure: 100. processing a base; 200. a frame of an electric vehicle; 210. a filler layer; 220. a matrix layer of the framework; 3. a mold forming mechanism; 301. fixing a mold; 302. moving the mold; 303. a mold cavity; 304. a hydraulic push rod; 305. a three-way pipe; 306. a guide post; 4. a first injection mechanism; 401. a first material pipe; 402. a first pusher screw; 403. a first filling barrel; 404. a hollow shaft; 405. an air pump; 407. a first communication hole; 408. a second communication hole; 409. a gas supply duct; 5. a second injection mechanism; 501. a second material pipe; 502. a second pushing screw; 503. a second injection barrel; 6. a transmission mechanism; 601. a sun gear; 602. a rotating rod; 603. a planet wheel; 604. a ring gear; 7. a drive mechanism; 701. a motor; 702. a sprocket; 703. a chain; 8. a heating device; 9. a cooling mechanism; 901. a condenser; 902. a condenser tube.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The electric vehicle comprises a storage battery car, an automobile and the like, wherein the storage battery car is taken as an example, in order to realize the integrated forming processing of the frame by a die-casting process, improve the forming quality and the processing efficiency and endow the frame with the composite performance of various alloys on the basis of the traditional single alloy die-casting forming, the integrated forming device of the electric vehicle frame is provided;
referring to fig. 1 to 7, the electric vehicle frame 200 includes a processing base 100 and an electric vehicle frame 200, wherein the electric vehicle frame 200 includes a filler layer 210 and a skeleton matrix layer 220;
the processing base 100 is provided with a mold forming mechanism 3, a first injection mechanism 4 and a second injection mechanism 5, the mold forming mechanism 3 and the first injection mechanism 4 are matched with the framework substrate layer 220 in a die-casting mode, the mold forming mechanism 3 and the second injection mechanism 5 are matched with the framework substrate layer 220 in a die-casting mode to form a filler layer 210 on the basis of the framework substrate layer 220 in a die-casting mode, and finally the electric vehicle frame 200 is obtained;
the first injection mechanism 4 comprises a first material pipe 401 arranged on the processing base 100, a first pushing screw 402 is rotationally arranged in the first material pipe 401, and a first injection barrel 403 is arranged on the first material pipe 401 and used for injecting framework matrixes into the first material pipe 401;
the first material pipe 401 is further provided with a hollow rod 404, the hollow rod 404 is rotatably arranged in the first material pushing screw 402, the processing base 100 is provided with an air pump 405, and the air pump 405 is connected with the hollow rod 404 and used for releasing air into the first material pipe 401;
the first injection mechanism 4 further comprises an air supply pipeline 409 arranged on the air pump 405, and the hollow rod 404 is rotatably arranged on the air supply pipeline 409;
the first pushing screw 402 is provided with a plurality of first communicating holes 407, the hollow rod 404 is provided with a plurality of second communicating holes 408, and the plurality of second communicating holes 408 correspond to the plurality of first communicating holes 407 respectively;
the second injection mechanism 5 includes a second material pipe 501 arranged on the processing base 100, the second material pipe 501 is connected with the three-way pipe 305, a second pushing screw 502 is arranged in the second material pipe 501 in a rotating manner, and a second material injection barrel 503 is arranged on the second material pipe 501 and is used for injecting filler into the second material pipe 501.
In this embodiment: the processing base 100 serves as a housing of the processing device, and a first injection mechanism 4 and a second injection mechanism 5 are mounted on the processing base, wherein a first material injection barrel 403 is used for injecting framework matrix materials into a first material pipe 401, and the framework matrix materials can be formed into molten liquid through rotation of a first material pushing screw 402 and external heating.
The front end of the air supply pipe 409 installed on the air pump 405 is rotatably installed with a hollow rod 404 and keeps sealed, and the hollow rod 404 is rotatably installed in the first material pipe 401 and the first pushing screw 402 and keeps sealed. The first pushing screw 402 has a plurality of first connecting holes 407 along its spiral structure, and the hollow rod 404 has a plurality of second connecting holes 408 corresponding to each of the first connecting holes 407.
When the first pushing screw 402 rotates to inject the skeleton matrix melt into the mold forming mechanism 3, the air pump 405 operates to pump air into the hollow rod 404, and the air is injected into the first material pipe 401 through the communication between the first communicating hole 407 and the second communicating hole 408, so that a large amount of bubbles appear in the skeleton matrix melt, and the skeleton matrix 220 with a plurality of holes in the skeleton matrix can be formed when the skeleton matrix melt is injected into the mold forming mechanism 3 for die-casting.
After the skeleton substrate layer 220 is formed, filler materials are injected into the second material pipe 501 through the second material injection barrel 503, and filler melt is injected into the mold forming mechanism 3 under the rotation of the second material pushing screw 502 and the external heating action to form the filler layer 210, so that the electric vehicle frame 200 product is finally obtained. The electric vehicle frame 200 is endowed with the composite performance of two alloy materials.
Supplementary remarks need to be made that:
first, the materials of the skeleton substrate layer 220 and the filler layer 210 can be selected according to the actual processing requirements, for example, a magnesium alloy with high strength and low density is selected to form the skeleton substrate layer 220, manganese steel with high impact load resistance is selected to form the filler layer 210, or carbon fibers with lower density and lighter weight are selected to form the skeleton substrate layer 220, and so on.
Secondly, more kinds of alloys can be selected to cast the electric vehicle frame 200 together according to actual processing requirements, and more sets of injection mechanisms are required to be correspondingly added.
Thirdly, corresponding strengthening sealing measures can be additionally arranged in the first injection mechanism 4 and the second injection mechanism 5 so as to ensure the sealing strength among all parts in the first injection mechanism and the second injection mechanism.
Fourthly, the air pump 405 can be selected to be different models according to actual needs, for example, the model is selected to be a DFV-0.17/8 single-phase air compressor.
Example 2
In order to realize the die-casting molding of the framework substrate melt and the die-casting molding of the filler melt, embodiment 2 is provided;
the present embodiment is an improved description based on embodiment 1, and specifically, please refer to fig. 2 to fig. 6, the mold forming mechanism 3 includes a fixed mold 301 disposed on the processing base 100 and a movable mold 302 slidably disposed on the processing base 100, mold cavities 303 are disposed on both the fixed mold 301 and the movable mold 302, and the two mold cavities 303 are adapted to the electric vehicle frame 200;
a hydraulic push rod 304 is arranged on the processing base 100, and the hydraulic push rod 304 is connected with the movable die 302;
the die forming mechanism 3 further comprises a three-way pipe 305 arranged on the fixed die 301, and the first material pipe 401 is connected with the three-way pipe 305;
a plurality of guide posts 306 are arranged on the processing base 100, the fixed die 301 is arranged on the guide posts 306, and the movable die 302 is arranged on the guide posts 306 in a sliding manner.
In this embodiment: the fixed die 301 and the hydraulic push rod 304 are fixed on the processing base 100, the output end of the hydraulic push rod 304 is fixed with the movable die 302, and the movable die 302 slides along the processing base 100 and is limited by sliding along four guide posts 306 fixed on the processing base 100.
Two die cavities 303 near the proximal ends of the fixed die 301 and the movable die 302 are used for die-casting the electric vehicle frame 200, a pouring opening formed in the front end of the fixed die 301 is communicated with the fixed die 301 arranged above the fixed die 301, a three-way pipe 305 is further arranged at the front end of the fixed die 301, and the three-way pipe 305 is communicated with the first material pipe 401 and the second material pipe 501.
What needs to be added is:
first, a corresponding valve mechanism may be installed in the tee pipe 305 to close one side passage when the first injection mechanism 4 and the second injection mechanism 5 are respectively injected with the melt, thereby preventing the melt from entering the other injection mechanism.
Secondly, a corresponding air release mechanism can be installed on the mold forming mechanism 3, and a die core and a core taking device are added for forming a plurality of die cores on the electric vehicle frame 200, specifically, reference is made to reference 2 (CN 202023331167.6) which is a die casting mold integrally formed on a bicycle frame.
Example 3
If the first communication holes 407 and the second communication holes 408 are kept in communication for a long time, a large amount of melt in the first material pipe 401 may enter the hollow rod 404, and the continuous injection of gas may cause excessive bubbles in the skeleton matrix melt, which is not favorable for die-casting, and therefore, embodiment 3 is proposed;
in this embodiment, an improvement is made on the basis of embodiment 1, and specifically, referring to fig. 4 to fig. 7, a transmission mechanism 6 is arranged on a first material pipe 401 for realizing that a first pushing screw 402 and a hollow rod 404 rotate in opposite directions, so that a plurality of first communicating holes 407 and a plurality of second communicating holes 408 are intermittently engaged;
the transmission mechanism 6 comprises a sun gear 601 arranged on the hollow rod 404, the first material pipe 401 is provided with a plurality of rotating rods 602 in a rotating mode, the plurality of rotating rods 602 are provided with planet gears 603, the plurality of planet gears 603 are all meshed with the sun gear 601, the first material pushing screw 402 is provided with a gear ring 604, and the gear ring 604 is meshed with the plurality of planet gears 603.
In this embodiment: the transmission mechanism 6 is a set of planetary gear structure, and when the hollow rod 404 rotates, the sun gear 601 is driven to rotate, and then the gear ring 604 is driven to rotate in the opposite direction by the transmission of the plurality of rotating rods 602 and the plurality of planet gears 603, and the gear ring 604 drives the first pushing screw 402 to rotate in the opposite direction.
The first pushing screw 402 and the hollow bar 404 are rotated in opposite directions to intermittently communicate the plurality of first communication holes 407 and the plurality of second communication holes 408, thereby reducing the amount of gas bubbles injected and reducing the inflow of the melt into the hollow bar 404. And the first communication hole 407 and the second communication hole 408 are formed in a capillary structure having an inner diameter gradually increasing from the inside to the outside, so that the inflow of the melt can be prevented to some extent.
Example 4
In order to realize the rotation of the hollow rod 404 and the second pushing screw 502 to inject the melt, embodiment 4 is proposed;
the present embodiment is an improved description based on embodiment 1, and specifically, referring to fig. 2 to fig. 6, a driving mechanism 7 is disposed on the processing base 100 for driving the first injection mechanism 4 and the second injection mechanism 5 to operate, the driving mechanism 7 includes a motor 701 disposed on the processing base 100, chain wheels 702 are disposed on the hollow rod 404 and the second material pipe 501, and chains 703 are disposed on the two chain wheels 702.
In this embodiment: the hollow rod 404 and the second pushing screw 502 can be driven to rotate by the operation of the motor 701 and the transmission of the chain 703 and the two chain wheels 702.
It should be added that two motors 701 may be provided to drive the first injection mechanism 4 and the second injection mechanism 5 to operate independently.
Example 5
In order to realize the melting of the materials when the first injection mechanism 4 and the second injection mechanism 5 operate and the cooling forming of the electric vehicle frame 200 when the die forming mechanism 3 carries out die casting, the embodiment 5 is provided;
the present embodiment is an improved description based on embodiment 1, and specifically, referring to fig. 2 to fig. 6, a plurality of heating devices 8 are respectively disposed on the first material pipe 401 and the second material pipe 501;
the fixed die 301 is provided with a cooling mechanism 9, the cooling mechanism 9 comprises a condenser 901 and a condenser pipe 902 which are arranged on the fixed die 301, and the condenser 901 and the condenser pipe 902 are connected.
In this embodiment: a plurality of heating devices 8 are mounted on the first material pipe 401 and the second material pipe 501 for heating, and the heating devices 8 can be electrified resistance wires and can be provided with corresponding temperature control functions to cope with different melting points of different alloys. The condenser pipe 902 installed in the stationary mold 301 is cooled by circulating a cooling liquid through the condenser 901.
Example 6
The invention also provides a process of the integrated forming device of the electric vehicle frame;
specifically, please refer to fig. 1 to 7, which includes the following steps:
s1, firstly, injecting a skeleton substrate for molding a skeleton substrate layer 220 into a first material pipe 401 through a first material injection barrel 403, then driving a hollow rod 404 and a first material pushing screw 402 to rotate in opposite directions under the transmission action of a transmission mechanism 6 through the operation of a motor 701, simultaneously starting an air pump 405 to inject air into the hollow rod 404, and releasing the air into the first material pipe 401 through a plurality of intermittently meshed first communication holes 407 and second communication holes 408 for mixing;
s2, rotating a first pushing screw 402 and heating a plurality of heating devices 8 on a first material pipe 401, injecting framework matrix melt mixed with air bubbles into the fixed mold 301 through a three-way pipe 305, pressing the movable mold 302 to the fixed mold 301 through a hydraulic push rod 304, and performing pressure casting on the framework matrix in the two mold cavities 303 to form the framework matrix layer 220 under the condition that the condenser 901 operates to drive the condenser pipe 902 to circulate cooling liquid;
s3, then, filling materials for forming the filling material layer 210 are injected into the second material pipe 501 through the second material injection barrel 503, the second material injection screw 502 is driven to rotate through the operation of the motor 701, under the heating of the plurality of heating devices 8 on the second material pipe 501, the filling material melt is injected into the fixed die 301 through the three-way pipe 305, and under the driving of the condenser pipe 902 through the operation of the condenser 901 and the circulating cooling liquid, the filling material layer 210 is formed on the framework substrate layer 220;
and S4, finally, the hydraulic push rod 304 runs to drive the movable die 302 and the fixed die 301 to be demoulded, and finally the electric vehicle frame 200 is obtained.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides an electric motor car frame integrated into one piece device which characterized in that: the processing method comprises a processing base (100) and an electric vehicle frame (200), wherein the electric vehicle frame (200) comprises a filler layer (210) and a framework substrate layer (220); the processing base (100) is provided with a mold forming mechanism (3), a first injection mechanism (4) and a second injection mechanism (5), the framework substrate layer (220) is formed through the matching of the mold forming mechanism (3) and the first injection mechanism (4) in a die-casting mode, the filler layer (210) is formed on the basis of the framework substrate layer (220) in a die-casting mode through the matching of the mold forming mechanism (3) and the second injection mechanism (5), and finally the electric vehicle frame (200) is obtained;
the first injection mechanism (4) comprises a first material pipe (401) arranged on the processing base (100), a first material pushing screw (402) is rotationally arranged in the first material pipe (401), and a first material injection barrel (403) is arranged on the first material pipe (401) and used for injecting framework matrixes into the first material pipe (401);
the processing device is characterized in that a hollow rod (404) is further arranged on the first material pipe (401), the hollow rod (404) is rotatably arranged in the first material pushing screw rod (402), an air pump (405) is arranged on the processing base (100), and the air pump (405) is connected with the hollow rod (404) and used for releasing air into the first material pipe (401).
2. The integrated forming device for the frame of the electric vehicle as claimed in claim 1, wherein: the die forming mechanism (3) comprises a fixed die (301) arranged on the processing base (100) and a movable die (302) arranged on the processing base (100) in a sliding manner, die cavities (303) are formed in the fixed die (301) and the movable die (302), and the two die cavities (303) are matched with the electric vehicle frame (200);
the processing base (100) is provided with a hydraulic push rod (304), and the hydraulic push rod (304) is connected with the movable die (302).
3. The integrated forming device for the frame of the electric vehicle as claimed in claim 2, wherein: the die forming mechanism (3) further comprises a three-way pipe (305) arranged on the fixed die (301), and the first material pipe (401) is connected with the three-way pipe (305);
be provided with a plurality of guide post (306) on processing base (100), cover half (301) set up in a plurality of on guide post (306), movable mould (302) slide to set up in a plurality of on guide post (306).
4. The integrated forming device for the frame of the electric vehicle according to claim 1, wherein: the first injection mechanism (4) further comprises an air supply pipeline (409) arranged on the air pump (405), and the hollow rod (404) is rotatably arranged on the air supply pipeline (409);
the first material pushing screw (402) is provided with a plurality of first communicating holes (407), the hollow rod (404) is provided with a plurality of second communicating holes (408), and the second communicating holes (408) correspond to the first communicating holes (407) respectively.
5. The integrated forming device of the electric vehicle frame according to claim 4, wherein: the first material pipe (401) is provided with a transmission mechanism (6) which is used for realizing that the first material pushing screw rod (402) and the hollow rod (404) rotate in opposite directions, so that a plurality of first communicating holes (407) and a plurality of second communicating holes (408) are intermittently meshed;
drive mechanism (6) including set up in sun gear (601) on hollow rod (404), it is provided with a plurality of bull stick (602), a plurality of to rotate on first material pipe (401) all be provided with planet wheel (603) on bull stick (602), and a plurality of planet wheel (603) all with sun gear (601) meshing, be provided with ring gear (604) on first material pushing screw rod (402), just ring gear (604) and a plurality of planet wheel (603) all mesh.
6. The integrated forming device for the frame of the electric vehicle as claimed in claim 3, wherein: the second injection mechanism (5) comprises a second material pipe (501) arranged on the processing base (100), the second material pipe (501) is connected with the three-way pipe (305), a second pushing screw rod (502) is rotationally arranged in the second material pipe (501), and a second material injection barrel (503) is arranged on the second material pipe (501) and used for injecting filler into the second material pipe (501).
7. The integrated forming device of the electric vehicle frame according to claim 6, wherein: the processing base (100) is provided with a driving mechanism (7) for driving the first injection mechanism (4) and the second injection mechanism (5) to operate, the driving mechanism (7) comprises a motor (701) arranged on the processing base (100), the hollow rod (404) and the second material pipe (501) are both provided with chain wheels (702), and the chain wheels (703) are arranged on the chain wheels (702).
8. The integrated forming device of the electric vehicle frame according to claim 6, wherein: the first material pipe (401) and the second material pipe (501) are provided with a plurality of heating devices (8).
9. The integrated forming device for the frame of the electric vehicle as claimed in claim 2, wherein: the cooling mechanism (9) is arranged on the fixed die (301), the cooling mechanism (9) comprises a condenser (901) and a condensation pipe (902) which are arranged on the fixed die (301), and the condenser (901) is connected with the condensation pipe (902).
10. The process for integrally forming the frame of the electric vehicle as claimed in any one of claims 1 to 9, which comprises the following steps:
s1, firstly, injecting a framework substrate for molding a framework substrate layer (220) into a first material pipe (401) through a first material injection barrel (403), then driving a hollow rod (404) and a first material pushing screw rod (402) to rotate in opposite directions under the transmission action of a transmission mechanism (6) through the operation of a motor (701), simultaneously starting an air pump (405) to inject air into the hollow rod (404), and releasing the air into the first material pipe (401) through a plurality of intermittently meshed first communication holes (407) and second communication holes (408) for mixing;
s2, injecting framework substrate melt mixed with air bubbles into the fixed mold (301) through the three-way pipe (305) by rotating the first pushing screw (402) and heating the plurality of heating devices (8) on the first material pipe (401), pressing the movable mold (302) to the fixed mold (301) through the hydraulic push rod (304), and enabling the framework substrate to be pressed and cast into a framework substrate layer (220) in the two mold cavities (303) under the condition that the condenser (901) operates to drive the condenser pipe (902) to circulate cooling liquid;
s3, then filling materials for forming the filler layer (210) are injected into a second material pipe (501) through a second material injection barrel (503), a second material pushing screw (502) is driven to rotate through the operation of a motor (701), molten filler is injected into the fixed die (301) through a three-way pipe (305) under the heating of a plurality of heating devices (8) on the second material pipe (501), a condenser (901) operates to drive a circulating cooling liquid matrix layer in the condensing pipe (902), and the filler layer (210) is formed on the framework (220);
and S4, finally, the hydraulic push rod (304) operates to drive the movable die (302) and the fixed die (301) to be demoulded, and finally the electric vehicle frame (200) is obtained.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210931689.4A CN115319046B (en) | 2022-08-04 | 2022-08-04 | Integrated forming device and process for electric vehicle frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210931689.4A CN115319046B (en) | 2022-08-04 | 2022-08-04 | Integrated forming device and process for electric vehicle frame |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115319046A true CN115319046A (en) | 2022-11-11 |
| CN115319046B CN115319046B (en) | 2023-07-04 |
Family
ID=83922541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210931689.4A Active CN115319046B (en) | 2022-08-04 | 2022-08-04 | Integrated forming device and process for electric vehicle frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115319046B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116442460A (en) * | 2023-04-25 | 2023-07-18 | 宁波市齐力特钢有限公司 | Die drilling technology and processing device thereof |
| CN117862462A (en) * | 2024-03-11 | 2024-04-12 | 江苏中鑫车业有限公司 | Integrated machining and forming device and process for electric vehicle frame |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002326259A (en) * | 2001-02-27 | 2002-11-12 | Kishimoto Sangyo Co Ltd | Apparatus and method for plasticizing thermoplastic resin |
| JP2004017090A (en) * | 2002-06-17 | 2004-01-22 | Japan Steel Works Ltd:The | Metal injection-molding method and its apparatus |
| CN107671260A (en) * | 2017-10-09 | 2018-02-09 | 广东伊之密精密机械股份有限公司 | The semisolid injection (mo(u)lding) machine of multistation injection |
| CN111452301A (en) * | 2020-04-15 | 2020-07-28 | 重庆贻晨兴工业设计有限责任公司 | Double-color injection mold and injection method |
| CN213412722U (en) * | 2020-08-11 | 2021-06-11 | 厦门腾诺光学科技有限公司 | Car house lens device of moulding plastics |
| CN213860532U (en) * | 2020-12-02 | 2021-08-03 | 山东通佳智能装备有限公司 | Micro-foaming injection charging barrel |
| CN113942208A (en) * | 2021-10-25 | 2022-01-18 | 广州海天塑胶有限公司 | Automobile interior trim part prepared by micro-foaming injection molding process |
-
2022
- 2022-08-04 CN CN202210931689.4A patent/CN115319046B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002326259A (en) * | 2001-02-27 | 2002-11-12 | Kishimoto Sangyo Co Ltd | Apparatus and method for plasticizing thermoplastic resin |
| JP2004017090A (en) * | 2002-06-17 | 2004-01-22 | Japan Steel Works Ltd:The | Metal injection-molding method and its apparatus |
| CN107671260A (en) * | 2017-10-09 | 2018-02-09 | 广东伊之密精密机械股份有限公司 | The semisolid injection (mo(u)lding) machine of multistation injection |
| CN111452301A (en) * | 2020-04-15 | 2020-07-28 | 重庆贻晨兴工业设计有限责任公司 | Double-color injection mold and injection method |
| CN213412722U (en) * | 2020-08-11 | 2021-06-11 | 厦门腾诺光学科技有限公司 | Car house lens device of moulding plastics |
| CN213860532U (en) * | 2020-12-02 | 2021-08-03 | 山东通佳智能装备有限公司 | Micro-foaming injection charging barrel |
| CN113942208A (en) * | 2021-10-25 | 2022-01-18 | 广州海天塑胶有限公司 | Automobile interior trim part prepared by micro-foaming injection molding process |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116442460A (en) * | 2023-04-25 | 2023-07-18 | 宁波市齐力特钢有限公司 | Die drilling technology and processing device thereof |
| CN117862462A (en) * | 2024-03-11 | 2024-04-12 | 江苏中鑫车业有限公司 | Integrated machining and forming device and process for electric vehicle frame |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115319046B (en) | 2023-07-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN115319046A (en) | Integrated forming device and process for electric vehicle frame | |
| CN103801670A (en) | Cylinder type full-automatic die casting machine adopting closed charging and vacuum melting | |
| CN201645754U (en) | Demoulding mechanism for internal thread tee pipe coupling mould | |
| CN209579946U (en) | Mold is used in a kind of production of graphite | |
| CN201471637U (en) | Remote control case mould | |
| CN202934741U (en) | Vertical centrifugal shaping machine for modified monomer casting (MC) nylon | |
| CN111283201A (en) | Production equipment and production method for semi-continuous ingot making of alloy powder | |
| CN112276049B (en) | Casting device for preventing root of inner sprue of high-alloy steel casting from cracking | |
| CN114799131A (en) | Negative pressure drainage type casting and forging forming device and method for metal material | |
| CN1323783C (en) | Magnesium alloy hub pressure casting apparatus and method thereof | |
| CN102975319B (en) | Modified MC nylon wheel vertical type centrifugal casting forming machine | |
| CN104014741A (en) | Tilting pouring method for aluminum-silicon alloy casting for high-voltage switch and as well as special sand mold | |
| CN205967385U (en) | Device is poured into a mould with stainless steel fast to five metals preparation | |
| CN214814744U (en) | Sand mould frame convenient to sand mould is placed | |
| CN221064406U (en) | Integrated casting mold | |
| CN216680162U (en) | Automobile engine casting furnace | |
| CN112207251B (en) | Rotary exhaust ejector rod | |
| CN111069567A (en) | Wind wheel manufacturing device for motor | |
| CN206598457U (en) | A kind of threaded demoulding mechanism of cavity injection mould | |
| CN113000792B (en) | Mechanical part casting mechanism | |
| CN117324574B (en) | Vacuum casting box and bimetal thermal composite casting technology based on same | |
| CN211030925U (en) | Special cooling frame of formula rotational moulding machine sways | |
| CN221339372U (en) | Forming die for preforming support column | |
| CN118162606B (en) | Motor casting pouring device | |
| CN217704425U (en) | Automatic feeding device of plastic injection molding 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 |