It is a kind of for improve product quality and the die casting with die cavity lobe
Technical field
The present invention relates to die casting field, more particularly to a kind of for improve product quality and raised with die cavity
The die casting in portion.
Background technology
Electric machine casing is usually the vitals of motor, and when motor rotates, motor itself can send larger heat, so
The thickness of electric machine casing is extremely important to motor, but electric machine casing generally selects die casting and produced, the material of itself
Matter cannot change, in order to ensure electric machine casing molding, it will usually which electric machine casing is designed to thicker structure, thicker electricity
Casing body not merely cannot carry out rapid drainage to the heat that motor is produced and also substantially increase production cost, in order to save production
Material, while making the thickness of housing facilitate electric machine casing molding while reduction, designs a kind of new structure of cast die right and wrong
Often it is necessary.
The content of the invention
The technical problem to be solved be to provide it is a kind of for improve product quality and have die cavity lobe
Die casting, with reduce electric machine casing general thickness, reduce production cost, while product structure is not changed improve produce
The heat-sinking capability of product, the features such as save production material, greatly improve production efficiency.
The technical solution adopted for the present invention to solve the technical problems is:There is provided it is a kind of for improve product quality and have
There are the die casting of die cavity lobe, including upper bolster, die shoe and upper mold core, be provided with described upper bolster lower surface
Core rod, is provided with lower mold core, described upper mold core and lower mold core laminating, described upper bolster in the upper surface of described die shoe
Fit with die shoe, between upper mold core and lower mold core, form die cavity, the anterior and left part between described upper bolster and die shoe
Place is separately installed with front pulled core structure and right pulled core structure, vertically-mounted in described upper bolster right part to have lower end to connect with die cavity
Cast gate, sprue is disposed between described cast gate and die cavity, mould down before and after sprue, at the lower mold core of both sides, is disposed with
The first auxiliary flow and the second auxiliary flow that the front and rear direction of core upper surface extends, in described lower mold core upper surface
Portion is disposed with the first core rod boss, rear side of second auxiliary flow from the first core rod boss at right pulled core structure
Connection is simultaneously connected with the core pulling position of right pulled core structure, is disposed with the middle part of described lower mold core upper surface at front pulled core structure
Second core rod boss, the space between the first described auxiliary flow and the second core rod boss and front pulled core structure connect
It is logical.
Described front pulled core structure includes front core pulling oil cylinder, front core pulling oil cylinder fixed support and front Loose core block, it is described before
Core pulling oil cylinder fixed support is arranged on the front end face position of die shoe, before being provided with described front core pulling oil cylinder fixed support
Core pulling oil cylinder, the both sides of described front Loose core block are disposed with the front core pulling guide pad being fixed on die shoe, described front core pulling
One end of block is inserted in die cavity, and several rectangular preiection blocks are disposed with the end face of its insertion, and described front Loose core block is in length
Strip, horizontal slide anteroposterior are arranged on die shoe, and described front Loose core block upper front end is disposed with chamfer trapeze cut,
The inclined plane part of trapeze cut is provided with front core pulling lock module, the expansion link of described front core pulling oil cylinder and the front end phase of front Loose core block
Even.
Described right pulled core structure includes right Loose core block, right core pulling guide pad and right core pulling cylinder bracket, described lower mould
Right core pulling cylinder bracket is installed on the right side of seat, the right side of the main shaft towards die shoe is installed on described right core pulling cylinder bracket
Core pulling oil cylinder, described right Loose core block are in strip, are longitudinally mounted to die shoe right part, the right-hand member of described right Loose core block with it is right
The main shaft of core pulling oil cylinder is connected, and described right Loose core block right-hand member is disposed with chamfer trapeze cut, described right Loose core block right-hand member
The inclined plane part of chamfer trapeze cut is disposed with several on the left end of described right Loose core block to be provided with right core pulling lock module
Rectangular preiection.
Described die shoe is anterior, front pulled core structure both sides are mounted on an aerofluxuss block structure, after described die shoe
Portion is also provided with an aerofluxuss block structure, described aerofluxuss block structure and die cavity flow passage.
Support base is installed on described die shoe lower surface, the inner hollow of described support base, hollow bulb are provided with
The push pedal for moving up and down, described support base lower surface are provided with base plate.
It is vertically-mounted in described push pedal to have some upper ends through die shoe and the push rod of lower mold core, in described push pedal
Stop collar is installed, it is vertically-mounted on described die shoe lower surface to have limited post corresponding with stop collar.
On described base plate, the vertically-mounted latch post for having upper end to sequentially pass through push pedal, die shoe and lower mold core, described
Latch post is located on the clearance position between right pulled core structure and the first core rod boss.
The squeeze pin that die cavity is inserted in lower end is installed at the upper mold core above described latch post.
On the right side of described upper bolster and leg is symmetrically installed with the right side of support base.
Beneficial effect:The present invention relates to it is a kind of for improve product quality and the die casting with die cavity lobe,
Generate with the gas trace that can be effectively prevented from product, cast gate wipes out residual does not affect presentation quality and assembling, reduces production week
Phase is so as to improve production efficiency, while the features such as further improving the qualification rate of product.
Description of the drawings
Fig. 1 is the topology view of the present invention;
Fig. 2 is the partial enlarged drawing in Fig. 1 of the present invention at A;
Fig. 3 is the topology view of the present invention;
Fig. 4 is the topology view of the present invention;
Fig. 5 is the topology view of the present invention;
Fig. 6 is the topology view of the present invention.
Diagram:1st, upper bolster, 2, die shoe, 3, support base, 4, base plate, 5, front pulled core structure, 6, right pulled core structure, 7,
Foot, 8, upper mold core, 9, lower mold core, 10, cast gate, 11, front core pulling oil cylinder, 12, expansion link, 13, front Loose core block, 14, front core pulling oil
Cylinder fixed support, 15, front core pulling lock module, 16, front core pulling guide pad, 17, right core pulling guide pad, 18, right core pulling cylinder bracket,
19th, right core pulling oil cylinder, 20, right Loose core block, 21, right core pulling lock module, 22, squeeze pin, the 23, second auxiliary flow, 24, main flow
Road, the 25, first auxiliary flow, 26, rectangular preiection, the 27, first core rod boss, 28, rectangular preiection block, the 29, second core rod
Boss, 30, aerofluxuss block structure, 31, push pedal, 32, latch post, 33, limited post.
Specific embodiment
With reference to specific embodiment, the present invention is expanded on further.It should be understood that these embodiments are merely to illustrate the present invention
Rather than limit the scope of the present invention.In addition, it is to be understood that after the content for having read instruction of the present invention, people in the art
Member can be made various changes or modifications to the present invention, and these equivalent form of values equally fall within the application appended claims and limited
Scope.
Embodiments of the present invention be related to it is a kind of for improve product quality and the die casting with die cavity lobe,
As shown in Fig. 16, including upper bolster 1, die shoe 2 and upper mold core 8, upper mold core 8 is installed in described 1 lower surface of upper bolster,
Lower mold core 9 is installed in the upper surface of described die shoe 2, described upper mold core 8 and lower mold core 9 are fitted, described upper bolster 1
Fit with die shoe 2, between upper mold core 8 and lower mold core 9, form die cavity, the front portion between described upper bolster 1 and die shoe 2 and
Front pulled core structure 5 and right pulled core structure 6 are separately installed with left part, in described 1 right part of upper bolster it is vertically-mounted have lower end with
The cast gate 10 of die cavity connection, is disposed with sprue 24 between described cast gate 10 and die cavity, the lower mould of both sides before and after sprue 24
Be disposed with core 9 towards 9 upper surface of lower mold core front and rear direction extend the first auxiliary flow 25 and the second auxiliary flow
23, the first core rod boss 27 is disposed with right pulled core structure 6 in the middle part of described 9 upper surface of lower mold core, second aids in
Runner 23 is connected and is connected with the core pulling position of right pulled core structure 6, described lower mould from the rear side of the first core rod boss 27
Be disposed with the second core rod boss 29 in the middle part of 9 upper surface of core at the front pulled core structure 5, described the first auxiliary flow 25 with
Space connection between second core rod boss 29 and front pulled core structure 5.
Described front pulled core structure 5 includes front core pulling oil cylinder 11, front core pulling oil cylinder fixed support 14 and front Loose core block 13, institute
The front core pulling oil cylinder fixed support 14 stated is arranged on the front end face position of die shoe 2, described front core pulling oil cylinder fixed support
Front core pulling oil cylinder 11 is installed on 14, the both sides of described front Loose core block 13 are disposed with the front core pulling being fixed on die shoe 2 and lead
To block 16, one end of described front Loose core block 13 is inserted in die cavity, is disposed with several rectangular preiections on the end face of its insertion
Block 28, in strip, horizontal slide anteroposterior is arranged on die shoe 2, before described front Loose core block 13 described front Loose core block 13
End top is disposed with chamfer trapeze cut, and the inclined plane part of inverted trapezoidal breach is provided with front core pulling lock module 15, it is described before take out
The expansion link 12 of core oil cylinder 11 is connected with the front end of front Loose core block 13.
Described right pulled core structure 6 includes right Loose core block 20, right core pulling guide pad 17 and right core pulling cylinder bracket 18, described
Die shoe 2 right side on right core pulling cylinder bracket 18 is installed, main shaft court is installed on described right core pulling cylinder bracket 18
To the right core pulling oil cylinder 19 of die shoe 2, described right Loose core block 20 is in strip, is longitudinally mounted to 2 right part of die shoe, described
The right-hand member of right Loose core block 20 is connected with the main shaft of right core pulling oil cylinder 19, and it is trapezoidal that described 20 right-hand member of right Loose core block is disposed with chamfer
Breach, the inclined plane part of described 20 right-hand member chamfer trapeze cut of right Loose core block are to be provided with right core pulling lock module 21, described
Several rectangular preiections 26 are disposed with the left end of right Loose core block 20.
Described die shoe 2 is anterior, 5 both sides of front pulled core structure are mounted on an aerofluxuss block structure 30, described lower mould
2 rear portions of seat are also provided with an aerofluxuss block structure 30, described aerofluxuss block structure 30 and die cavity flow passage.
Support base 3 is installed on described 2 lower surface of die shoe, the inner hollow of described support base 3, hollow bulb are installed
There is the push pedal 31 for moving up and down, described 3 lower surface of support base is provided with base plate 4.
Vertically-mounted in described push pedal 31 to have some upper ends through die shoe 2 and the push rod of lower mold core 9, described pushes away
Stop collar is installed on plate 31, it is vertically-mounted on described 2 lower surface of die shoe to have limited post corresponding with stop collar 33.
The vertically-mounted latch post 32 for having upper end to sequentially pass through push pedal 31, die shoe 2 and lower mold core 9 on described base plate 4,
Described latch post 32 is located on the clearance position between right pulled core structure 6 and the first core rod boss 27.
The squeeze pin 22 that die cavity is inserted in lower end is installed at the upper mold core 8 above described latch post 32.
On the right side of described upper bolster 1 and leg 7 is symmetrically installed with the right side of support base 3.
Embodiment
When die casting is carried out, the alloy liquid of molten condition is injected in the die cavity of mould from cast gate 10, cast gate
10 include sprue bush and spreader, and spreader is located on sprue bush lower end, the sprue on runner and lower mold core 9 on spreader
24th, the first auxiliary flow 25 and the second auxiliary flow 23 are respectively communicated with, and liquid is by sprue 24, the first auxiliary flow 25 and the
Die cavity between the slow filling upper mold core 8 of two auxiliary flows 23 and lower mold core 9, at the same liquid can to cover rapidly the first core rod convex
Position 27 and the second core rod boss 29 are played, and between entering between right pulled core structure 6 and the first core rod boss 27
In gap between gap and the second core rod boss 29 and front pulled core structure 5, wherein right pulled core structure 6 and front pulled core structure
5 rectangular preiection 26 and rectangular preiection block 28 can efficiently control the entrance of surplus liquid so that disappear required for the position
The material of consumption is substantially reduced, while being disposed with latch post 32, latch between right pulled core structure 6 and the first core rod boss 27
After post 32 enables to the position molding, density is compacter, reduces the content of sbrinkage blowhole, points to by cooling structure to mould
Cooled down so that product molding in the die cavity, when the product in die cavity in property it is softer in the state of when, by under oil cylinder
Extrusion pad 22, squeeze pin 22 moves down extruded product so that portion structure that product installs squeeze pin is even closer, greatly improve
Sbrinkage blowhole is reduced while product quality.
Rectangular preiection 26 and rectangular preiection block 28 can be rapidly separated with product when die sinking so that whole product
Thickness it is constant in the case of, reduce the consumption of material, while also improving the forming speed of product, increased product
Production efficiency.