CN208033623U - Compressor rear cover die casting - Google Patents
Compressor rear cover die casting Download PDFInfo
- Publication number
- CN208033623U CN208033623U CN201820130055.8U CN201820130055U CN208033623U CN 208033623 U CN208033623 U CN 208033623U CN 201820130055 U CN201820130055 U CN 201820130055U CN 208033623 U CN208033623 U CN 208033623U
- Authority
- CN
- China
- Prior art keywords
- rear cover
- compressor rear
- ejector retainner
- retainner plate
- rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Molds, Cores, And Manufacturing Methods Thereof (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Compressor (AREA)
Abstract
The utility model discloses a kind of compressor rear cover die castings, its key points of the technical solution are that：Including fixed half and moving half, the die cavity for being molded compressor rear cover is provided between fixed half and moving half, cast gate is provided on cover half, dynamic model is provided with pedestal away from one end of cover half, and mounting hole is offered on dynamic model, is slided in mounting hole and is provided with ejector retainner plate, oil cylinder is provided on pedestal, it is provided with mandril on ejector retainner plate, mandril includes the body of rod being arranged on ejector retainner plate and the curved lever that is detachably connected on the body of rod, and curved lever is made of beryllium-bronze.The compressor rear cover die casting can directly on lid bottom outlet at molding, be conducive to promote processing efficiency.The curved lever made of beryllium-bronze has the outstanding capacity of heat transmission.When demoulding, the product surface that is contacted with curved lever can rapid cooling and form relatively stable solid-state, for such mandril when pushing compressor rear cover, the position of compressor rear cover stress is less prone to deformation, and surface smoothness is higher.
Description
Technical field
The utility model is related to die casting, more particularly to a kind of compressor rear cover die casting.
Background technology
Die casting is the abbreviation of compression casting, it is the metal by liquid or semi liquid state, under high pressure effect, is at a high speed filled out
It is charged into the cavity of die casting, and quickly solidifies and obtain a kind of method of casting under stress.
As shown in Figure 1, a kind of common compressor rear cover, including lid 1, bottom outlet 2 is offered on lid 1.Production at present
The compressor rear cover, typically molds lid 1 with die casting, then carries out perforation processing again.The process is more complicated in this way,
It is unable to one-step die casting.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of compressor rear cover compression mods
Tool disposably can go out lid and bottom outlet by die cast, be conducive to improve production efficiency.
The above-mentioned technical purpose of the utility model technical scheme is that：A kind of compressor rear cover pressure
Casting mould, including fixed half and moving half are provided with the die cavity for being molded compressor rear cover between the fixed half and moving half, described fixed
It is provided on mould for for the cast gate in liquid metal injection die cavity, the dynamic model to be provided with pedestal away from one end of cover half, institute
It states and offers mounting hole on dynamic model, slided in the mounting hole and be provided with ejector retainner plate, be provided on the pedestal for driving top
Needle plate makees the oil cylinder moved closer or far from cover half, and mandril is provided on the ejector retainner plate, and the mandril deviates from the one of ejector retainner plate
End is across cover half and is inserted into die cavity, and the mandril is inserted into the part in die cavity for being molded bottom outlet.
Through the above technical solutions, when dynamic model fits together with cover half, the end of mandril is inserted into die cavity.It is cast into
When the type compressor rear cover, liquid metal is passed through into die cavity by cast gate, until liquid metal stops when being fully filled with die cavity
Then only material feeding waits for liquid metal to be cooled and shaped in die cavity, mandril be inserted into mold cavity point can directly on lid at
Type goes out bottom outlet, which disposably can go out lid and bottom outlet by die cast, is conducive to improve production effect
Rate.
Preferably, the mandril includes the body of rod being arranged on ejector retainner plate and the molding that is detachably connected on the body of rod
Bar, the curved lever part are located in dynamic model, and another part is inserted into die cavity and for being molded bottom outlet.
Through the above technical solutions, when mandril use the long period after, curved lever can be worn, at this time can by it is new at
Type bar is changed, and the formed precision for promoting the compressor rear cover die casting is conducive to.
Preferably, the body of rod away from ejector retainner plate end face on offer slot, offered on the side wall of the body of rod with
The counter sink of slot connection is provided with the inserted block for being inserted into slot on the curved lever, is opened up on the inserted block useful
In being provided with the sunk screw for being threadedly coupled with threaded hole in the threaded hole being aligned with counter sink, the counter sink.
Through the above technical solutions, when curved lever to be mounted on the body of rod, inserted block is completely inserted into slot by worker,
Until counter sink is aligned with threaded hole, sunk screw is then tightened, and then curved lever is installed on the body of rod.When replacing molding
When bar, back-out sunk screw, then inserted block is extracted out to the separation that curved lever and the body of rod can be realized from slot, then changes new
Curved lever.
Preferably, the curved lever is made of beryllium-bronze.
Through the above technical solutions, the curved lever made of beryllium-bronze has higher structural strength, while also having both excellent
The elegant capacity of heat transmission.When demoulding, the product surface that is contacted with curved lever can rapid cooling and form relatively stable solid-state, this
For sample mandril when pushing compressor rear cover, the position of compressor rear cover stress is less prone to deformation, and surface smoothness is higher.
Preferably, air guide channel is offered in the body of rod, one end of the air guide channel extends in curved lever, described
Several ventholes being connected to air guide channel are offered on the lateral wall of the body of rod.
Through the above technical solutions, the heat of the product surface contacted with curved lever is conducted to curved lever, extraneous air
It enters in air guide channel from venthole, is then discharged outside mandril from venthole, the process that extraneous air flows in mandril
In, the heat on mandril can be taken away, the heat-sinking capability for increasing curved lever is conducive to.
Preferably, it is provided with guide rod in the mounting hole, is offered on the ejector retainner plate for matching with guide rod sliding
The pilot hole of conjunction.
Through the above technical solutions, guide rod coordinates with pilot hole, be conducive to increase what ejector retainner plate slid in mounting hole
Stability.
Preferably, be arranged on the position on the guide rod between dynamic model and ejector retainner plate for drive ejector retainner plate to
Away from the resetting spring of cover half direction movement.
Through the above technical solutions, when hydraulic oil cylinder driving ejector retainner plate is moved to separate cover half direction, the elastic force of resetting spring
Ejector retainner plate is acted on, the reset of ejector retainner plate is conducive to.
Preferably, sliding slot is offered on the side wall of the mounting hole, be provided on the side wall of the ejector retainner plate for cunning
The sliding block that slot is slidably matched.
Through the above technical solutions, sliding block is in sliding fit with the sliding chute so that ejector retainner plate can smoothly be done in mounting hole
Closer or far from the movement of cover half.
In conclusion the utility model having the beneficial effect that in contrast to the prior art：
1, mandril is inserted into mold cavity point can directly mold bottom outlet on lid, be conducive to accelerate production efficiency；
2, curved lever is replaceable, is conducive to the formed precision for promoting the compressor rear cover die casting；
3, the curved lever made of beryllium-bronze has preferable thermal conductivity, and the product surface contacted with curved lever can be quick
It radiates and forms relatively stable solid-state, when pushing compressor rear cover, the position of compressor rear cover stress is not easy such mandril
There is deformation, surface smoothness is higher.
Description of the drawings
Fig. 1 is the structural schematic diagram of existing compressor rear cover, the concrete structure of main prominent compressor rear cover；
Fig. 2 is the structural schematic diagram of compressor rear cover die casting in embodiment, main prominent compressor rear cover compression mod
The concrete structure of tool；
Fig. 3 is partial sectional views of the Fig. 2 along I-I lines, mainly protrudes the internal structure of the compressor rear cover die casting；
Fig. 4 is the enlarged drawing at A in Fig. 3, the connection structure between the main prominent body of rod and curved lever；
Fig. 5 is the enlarged drawing at B in Fig. 3, the concrete structure of air guide channel and venthole on the main prominent body of rod.
Reference numeral：1, lid；2, bottom outlet；3, cover half；4, dynamic model；5, die cavity；6, cast gate；7, mounting hole；8, pedestal；9,
Ejector retainner plate；10, oil cylinder；11, mandril；111, the body of rod；112, curved lever；12, slot；13, counter sink；14, inserted block；15, screw thread
Hole；16, sunk screw；17, air guide channel；18, venthole；19, guide rod；20, pilot hole；21, resetting spring；22, sliding slot；
23, sliding block.
Specific implementation mode
The utility model is described in further detail below in conjunction with attached drawing.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can as needed make the present embodiment the modification of not creative contribution after reading this specification, but
As long as all being protected by Patent Law in the right of the utility model.
As shown in Figures 2 and 3, a kind of compressor rear cover die casting, including cover half 3 and dynamic model 4, between cover half 3 and dynamic model 4
It is provided with the die cavity 5 for being molded compressor rear cover, is provided on cover half 3 for for the cast gate in liquid metal injection die cavity 5
6。
As shown in Fig. 2, mounting hole 7 is offered on the side wall of dynamic model 4, the rectangular cross-section of mounting hole 7.Dynamic model 4 is far from fixed
One end of mould 3 is fixedly connected with pedestal 8, and pedestal 8 closes mounting hole 7.Sliding is provided with ejector retainner plate 9, pedestal 8 in mounting hole 7
Oil cylinder 10 is installed on the end face of dynamic model 4, the piston rod of oil cylinder 10 passes through pedestal 8 and is fixedly connected with ejector retainner plate 9,
Oil cylinder 10 is for driving ejector retainner plate 9 to do the movement closer or far from cover half 3.
Mandril 11 is installed on ejector retainner plate 9, under mandril 11 is used to push up compressor rear cover from dynamic model 4, mandril 11
End be inserted into die cavity 5 and for being molded bottom outlet 2.As shown in Figure 1, since bottom outlet 2 is six and is to be uniformly distributed, then push up
The quantity of bar 11 is also six and is Multipoint Uniform distribution, and the mandril 11 of Multipoint Uniform distribution can allow compressor rear cover stress equal
It is even, it is less prone to local pressure serious situation.
As shown in Figures 3 and 4, mandril 11 includes the body of rod 111 being fixedly connected on ejector retainner plate 9 and is detachably connected on bar
Curved lever 112 on body 111.
The body of rod 111 is cylindric, and the body of rod 111 offers slot 12 on the end face of ejector retainner plate 9, and the section of slot 12 is
It is round.The counter sink 13 being connected to slot 12 is offered on the lateral wall of the body of rod 111, counter sink 13 is stepped hole, counter sink 13
Quantity be two, two counter sinks 13 along the body of rod 111 central axis be symmetrical arranged.
Curved lever 112 is cylindric, and the inserted block 14 for being inserted into slot 12, inserted block 14 are provided on curved lever 112
To be cylindric, the threaded hole 15 for being aligned with counter sink 13 is offered on the lateral wall of inserted block 14, also cross counter sink 13
Threaded hole 15 is provided with sunk screw 16, sunk screw 16 is fully located in counter sink 13.The compressor rear cover die casting
When in molding state, curved lever 112 and the junction of the body of rod 111 are located in dynamic model 4, and 112 part of curved lever is located at dynamic model 4
Interior, another part is inserted into die cavity 5, and the part that curved lever 112 is inserted into die cavity 5 is for being molded bottom outlet 2.When by curved lever
112 be mounted on the body of rod 111 on when, inserted block 14 is completely inserted into slot 12 by worker, until counter sink 13 and threaded hole 15 it is right
Together, sunk screw 16 is then tightened, and then curved lever 112 is installed on the body of rod 111.The body of rod 111 is removable with curved lever 112
Connection is unloaded, after mandril 11 is using the long period, curved lever 112 can be worn, and at this time can change new curved lever 112,
Be conducive to be promoted the formed precision of the compressor rear cover die casting.
Curved lever 112 is made of beryllium-bronze, and the curved lever 112 made of beryllium-bronze has higher structural strength, simultaneously
Also have both the outstanding capacity of heat transmission.When demoulding, the product surface that is contacted with curved lever 112 can rapid cooling and formed more steady
Fixed solid-state, for such mandril 11 when pushing compressor rear cover, the position of compressor rear cover stress is less prone to deformation, and surface is flat
Whole degree is higher.
As shown in Figures 3 and 5, the length direction in the body of rod 111 along the body of rod 111 offers air guide channel 17, air guide channel 17
Section be circle, air guide channel 17 is located at the center of the body of rod 111, and 17 one end of air guide channel is located in the body of rod 111, the other end
It extends in curved lever 112, several ventholes 18 being connected to air guide channel 17 is offered on the lateral wall of the body of rod 111, ventilate
The section in hole 18 is circle.The heat of the product surface contacted with curved lever 112 is conducted to curved lever 112, extraneous air from
Venthole 18 enters in air guide channel 17, is then discharged outside mandril 11 from venthole 18, extraneous air stream in mandril 11
In dynamic process, the heat on mandril 11 can be taken away, is conducive to the heat-sinking capability for increasing curved lever 112.
As shown in Fig. 2, being provided with guide rod 19 in mounting hole 7, guide rod 19 is cylindric, and 19 one end of guide rod, which is fixed, to be connected
It is connected on dynamic model 4, the other end is fixedly connected on pedestal 8.It is offered on ejector retainner plate 9 for being led with what guide rod 19 was slidably matched
To hole 20, guide rod 19 coordinates with pilot hole 20, is conducive to increase the stability that ejector retainner plate 9 slides in mounting hole 7.Guide rod
Resetting spring 21 is arranged on 19, resetting spring 21 is between dynamic model 4 and ejector retainner plate 9, and resetting spring 21 is for driving thimble
Plate 9 is moved to far from 3 direction of cover half, when oil cylinder 10 drives ejector retainner plate 9 to be moved to separate 3 direction of cover half, resetting spring 21
Elastic force acts on ejector retainner plate 9, is conducive to the reset of ejector retainner plate 9.
As shown in figure 3, being opened up on the two side of mounting hole 7, there are two sliding slot 22, the rectangular cross-section of sliding slot 22, thimbles
Sliding block 23 there are two being fixedly connected on the two side of plate 9 for being embedded into sliding slot 22, the section rectangle of sliding block 23, sliding block
23 are slidably matched with sliding slot 22 so that ejector retainner plate 9 can smoothly do the movement closer or far from cover half 3 in mounting hole 7.
When the die cast compressor rear cover, after cover half 3 and dynamic model 4 mold, due to the type of compressor rear cover and dynamic model 4
Contact area between core is larger, and compressor rear cover can stay on dynamic model 4, then the piston rod elongation of oil cylinder 10, and then drives
Ejector retainner plate 9 is moved to close to 3 direction of cover half, and then ejector retainner plate 9 pushes mandril 11 to be moved to 3 direction of cover half, thus by compressor
Rear cover is detached with dynamic model 4, then removes compressor rear cover from mandril 11.
The piston rod of oil cylinder 10 resets later, and then ejector retainner plate 9 is driven to reset, at the same time the elastic force of resetting spring 21
It acts on ejector retainner plate 9, in order to the reset of ejector retainner plate 9, then cover half 3 and dynamic model 4 are close to each other, until cover half 3 and dynamic model 4
Fitting, at this time molding terminate, and can start the die-casting process of a new round.
The above is only the exemplary embodiment of the utility model, the protection model rather than limited the present invention
It encloses, the scope of protection of the utility model is determined by the attached claims.
Claims (8)
1. a kind of compressor rear cover die casting, including cover half (3) and dynamic model (4), set between the cover half (3) and dynamic model (4)
It is equipped with the die cavity (5) for being molded compressor rear cover, is provided on the cover half (3) for for liquid metal injection die cavity (5)
Interior cast gate (6), it is characterized in that：The dynamic model (4) is provided with pedestal (8) away from one end of cover half (3), on the dynamic model (4)
Mounting hole (7) is offered, is slided in the mounting hole (7) and is provided with ejector retainner plate (9), be provided on the pedestal (8) for driving
Dynamic ejector retainner plate (9) makees the oil cylinder (10) moved closer or far from cover half (3), and mandril (11), institute are provided on the ejector retainner plate (9)
It states mandril (11) to pass through cover half (3) away from one end of ejector retainner plate (9) and be inserted into die cavity (5), the mandril (11) is inserted into
Part in die cavity (5) is for being molded bottom outlet (2).
2. compressor rear cover die casting according to claim 1, it is characterized in that：The mandril (11) includes that setting is being pushed up
The body of rod (111) on needle plate (9) and the curved lever (112) being detachably connected on the body of rod (111), the curved lever (112)
A part is located in dynamic model (4), and another part is inserted into die cavity (5) and for being molded bottom outlet (2).
3. compressor rear cover die casting according to claim 2, it is characterized in that：The body of rod (111) deviates from ejector retainner plate
(9) slot (12) is offered on end face, and the counter sink being connected to slot (12) is offered on the side wall of the body of rod (111)
(13), it is provided with the inserted block (14) for being inserted into slot (12) on the curved lever (112), is opened up on the inserted block (14)
Be useful for the threaded hole (15) being aligned with counter sink (13), be provided in the counter sink (13) for threaded hole (15) screw thread
The sunk screw (16) of connection.
4. compressor rear cover die casting according to claim 3, it is characterized in that：The curved lever (112) is by beryllium-bronze
It is made.
5. compressor rear cover die casting according to claim 4, it is characterized in that：It offers and leads in the body of rod (111)
The one end in gas channel (17), the air guide channel (17) extends in curved lever (112), on the lateral wall of the body of rod (111)
Offer several ventholes (18) being connected to air guide channel (17).
6. compressor rear cover die casting according to claim 1, it is characterized in that：It is provided with and leads in the mounting hole (7)
To bar (19), the pilot hole (20) for being slidably matched with guide rod (19) is offered on the ejector retainner plate (9).
7. compressor rear cover die casting according to claim 6, it is characterized in that：It is located at dynamic model on the guide rod (19)
(4) it is arranged on the position between ejector retainner plate (9) for driving ejector retainner plate (9) to the reset moved away from cover half (3) direction
Spring (21).
8. compressor rear cover die casting according to claim 1, it is characterized in that：It is opened on the side wall of the mounting hole (7)
Equipped with sliding slot (22), the sliding block (23) for being slidably matched with sliding slot (22) is provided on the side wall of the ejector retainner plate (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820130055.8U CN208033623U (en) | 2018-01-25 | 2018-01-25 | Compressor rear cover die casting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820130055.8U CN208033623U (en) | 2018-01-25 | 2018-01-25 | Compressor rear cover die casting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208033623U true CN208033623U (en) | 2018-11-02 |
Family
ID=63954484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820130055.8U Expired - Fee Related CN208033623U (en) | 2018-01-25 | 2018-01-25 | Compressor rear cover die casting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208033623U (en) |
-
2018
- 2018-01-25 CN CN201820130055.8U patent/CN208033623U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181102 Termination date: 20200125 |