CN205571378U - Mould and have its die casting machine - Google Patents
Mould and have its die casting machine Download PDFInfo
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- CN205571378U CN205571378U CN201521081597.3U CN201521081597U CN205571378U CN 205571378 U CN205571378 U CN 205571378U CN 201521081597 U CN201521081597 U CN 201521081597U CN 205571378 U CN205571378 U CN 205571378U
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Abstract
The utility model discloses a die casting machine, include: mould movable mould, mould cover half and movable mould board, it is in to move template settings on the mould movable mould, the mould movable mould is relative the mould cover half has compound die position and compound die position in advance, a protection device, protection device includes: first keysets, first keysets is fixed on the mould movable mould and with the movable mould board is relative, a driving assembly, drive assembly sets to and is used for the drive the mould movable mould is followed in advance the compound die position to remove the compound die position. According to the utility model discloses a whether the die casting machine has the piece between detecting die cover half and the mould movable mould effectively, avoids piece damage mould cover half or mould movable mould.
Description
Technical field
This utility model relates to die-casting technique field, particularly to a kind of mould and die casting machine.
Background technology
Die casting on die casting machine in use, may Remaining debris, if these chips do not remove possibility
Damage can be brought to mould；And the detection device of chip in correlation technique or inoperative, or Detection results is poor and
Price is high.
Utility model content
One of technical problem that this utility model is intended to solve in correlation technique the most to a certain extent.To this end, this reality
With novel proposition one mould, this mould can detect between stationary mould for mould and mould dynamic model whether have chip effectively, it is to avoid
Chip damage stationary mould for mould or mould dynamic model.
According to mould of the present utility model, including:
Mould dynamic model, stationary mould for mould and moving platen, described moving platen is arranged on described mould dynamic model, described mould dynamic model
The most described stationary mould for mould has pre-die-closed position and die-closed position；
Protection device, described protection device includes:
First keyset, described first keyset is fixed on described mould dynamic model and relative with described moving platen；
Driving assembly, described driving assembly is arranged for driving described mould dynamic model from described pre-die-closed position to described
Die-closed position moves；
Described protection device also includes: the second keyset, and described second keyset is fixed on described moving platen, and described
Second keyset is the most right with described first keyset；
Described first keyset is provided with guide pin bushing, and described second keyset is provided with the guide pillar corresponding with described guide pin bushing, and
It is provided with position limiting structure on described guide pillar.
According to mould of the present utility model, it is fixed on mould dynamic model by arranging between moving platen and mould dynamic model
First keyset, and by driving Component driver mould dynamic model to move to die-closed position from pre-die-closed position, and then can be effective
Whether chip is had, it is to avoid chip destroys mould dynamic model or stationary mould for mould between ground detection mould dynamic model and stationary mould for mould.
A following additional technical characteristic can also be had according to mould of the present utility model:
According to an embodiment of the present utility model, described guide pillar and described guide pin bushing are multiple, and multiple described guide pillar with
Multiple described guide pin bushing one_to_one corresponding.
According to an embodiment of the present utility model, described guide pillar and described guide pin bushing wear described first keyset, described
The end face of guide pillar is provided with screwed hole, and described position limiting structure is the sleeve of open at one end, and described sleeve is set on described guide pin bushing,
Described bolt wears described sleeve and is tightened in described screwed hole.
According to an embodiment of the present utility model, described driving assembly is cylinder.
According to an embodiment of the present utility model, the rear end cap of described cylinder is fixed on described moving platen, described gas
The free end of the piston rod of cylinder is fixed on described first keyset.
According to an embodiment of the present utility model, the trachea front end of described cylinder is provided with choke valve.
According to an embodiment of the present utility model, the free end of the piston rod of described cylinder is by the first switching and second
Switching is fixed on described first keyset.
According to an embodiment of the present utility model, described cylinder is multiple, and multiple described cylinder is evenly distributed on institute
State on moving platen.
According to an embodiment of the present utility model, described first keyset is fixed on described mould by threaded fastener
On dynamic model, described second keyset is fixed on described moving platen by threaded fastener.
It is provided with according on an embodiment of the present utility model, described first keyset and/or described second keyset
Stroke sensor is to detect the distance between described first keyset and described second keyset, and described protection device also includes:
For receiving the controller with/without chip signal, described controller is connected with described stroke sensor.
This utility model additionally provides a kind of die casting machine including above-mentioned mould.
Additional aspect of the present utility model and advantage will part be given in the following description, and part will be from explained below
In become obvious, or recognized by practice of the present utility model.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage are from combining general the accompanying drawings below description to embodiment
Become obvious and easy to understand, wherein:
Fig. 1 is the axonometric chart of the protection device according to this utility model embodiment；
Fig. 2 is the partial enlarged drawing that Fig. 1 circle shows A；
Fig. 3 is the top view of the protection device according to this utility model embodiment；
Fig. 4 is the side view of the protection device according to this utility model embodiment；
Fig. 5 is the schematic diagram of the die casting machine according to this utility model embodiment；
Fig. 6 is the schematic diagram of the second keyset according to this utility model embodiment；
Fig. 7 is the Fig. 6 sectional view along B-B direction；
Fig. 8 is the schematic diagram of the first keyset according to this utility model embodiment；
Fig. 9 is the schematic diagram of the guide pillar according to this utility model embodiment；
Figure 10 is the schematic diagram of the guide pin bushing according to this utility model embodiment.
Reference:
Die casting machine 100,
Moving platen 110, mould dynamic model 120, stationary mould for mould 130,
First keyset 141, guide pin bushing 141a,
Second keyset 142, guide pillar 142a,
Driving assembly 143, the first switching 143a, the second switching 143b,
Stroke sensor 144, position limiting structure 145.
Detailed description of the invention
Of the present utility model embodiment is described below in detail, and the example of described embodiment is shown in the drawings.Below by
The embodiment being described with reference to the drawings is exemplary, it is intended to be used for explaining this utility model, and it is not intended that new to this practicality
The restriction of type.
In description of the present utility model, it is to be understood that term " " center ", " longitudinally ", " laterally ", " length ", " width
Degree ", " thickness ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end " " interior ", " outward ", " suitable
Hour hands ", " counterclockwise ", " axially ", " radially ", the orientation of the instruction such as " circumferential " or position relationship be based on orientation shown in the drawings
Or position relationship, be for only for ease of describe this utility model and simplify describe rather than instruction or hint indication device or
Element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to limit of the present utility model
System.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include at least one this feature.In description of the present utility model, " multiple " are meant that at least two, such as two
Individual, three etc., unless otherwise expressly limited specifically.
In this utility model, unless otherwise clearly defined and limited, term " install ", " being connected ", " connection ", " Gu
Fixed " etc. term should be interpreted broadly, connect for example, it may be fixing, it is also possible to be to removably connect, or integral；Can be
Be mechanically connected, it is also possible to be electrical connection or each other can communication；Can be to be joined directly together, it is also possible to by the indirect phase of intermediary
Even, can be connection or the interaction relationship of two elements of two element internals, unless otherwise clear and definite restriction.For this
For the those of ordinary skill in field, above-mentioned term concrete meaning in this utility model can be understood as the case may be.
Below in conjunction with Fig. 1 to Figure 10, the die casting machine 100 of this utility model embodiment is described in detail.
Die casting machine 100 according to this utility model embodiment can include mould dynamic model 120, stationary mould for mould 130 and dynamic model
Plate 110, moving platen 110 is arranged on mould dynamic model 120, and the hydraulic system of die casting machine 100 can promote moving platen 110 and then band
Moving mold dynamic model 120 moves to stationary mould for mould 130, so that mould dynamic model 120 and stationary mould for mould 130 complete matched moulds and then complete
Become the subsequent handling of die casting.
Mould dynamic model 120 opposing mold cover half 130 has pre-die-closed position and die-closed position, when pre-die-closed position, and mould
Spacing distance L1 between tool dynamic model 120 and stationary mould for mould 130；When die-closed position, mould dynamic model 120 conforms to stationary mould for mould
130, i.e. between mould dynamic model 120 and stationary mould for mould 130, spacing distance is zero.
Protection device can detect whether have chip between mould dynamic model 120 and stationary mould for mould 130, when detecting that mould moves
When having chip between mould 120 and stationary mould for mould 130, the hydraulic system of die casting machine 100 will not continue to apply moving platen 110
Power, to avoid due to fixed to mould dynamic model 120 and mould because having chip between mould dynamic model 120 and stationary mould for mould 130
Mould 130 causes damage；When detect not there is chip between mould dynamic model 120 and stationary mould for mould 130 time, the liquid of die casting machine 100
Pressure system can apply power to complete follow-up die casting operation to moving platen 110.
As shown in figures 1 and 3, protection device can include the first keyset 141 and drive assembly 143, the first keyset
141 are fixed on mould dynamic model 120 and relative with moving platen 110, and the first keyset 141 and mould dynamic model 120 can also pass through
Threaded fastener is fixed together.
Drive assembly 143 be arranged for drive mould dynamic model 120 move to die-closed position from pre-die-closed position, described in drive
One end of dynamic assembly is fixed on moving platen 110, and the other end is fixed on the first keyset 141.
It is to say, before mould dynamic model 120 arrives pre-die-closed position, the mould dynamic model 120 liquid by die casting machine 100
Pressure systems force moving platen 110 and the first keyset 141 are so that mould dynamic model 120 reaches pre-die-closed position；When mould dynamic model 120
When reaching pre-die-closed position, hydraulic system stops promoting moving platen 110, is driven the first keyset 141 and mould by driving assembly 143
Tool dynamic model 120 is so that mould dynamic model 120 arrives die-closed position.
Drive assembly 143 be arranged at least for drive mould dynamic model 120 near stationary mould for mould 130 direction motion with
Change the distance between moving platen 110 and the first keyset 141.
Die casting machine 100 according to this utility model embodiment, by arranging between moving platen 110 and mould dynamic model 120
The first keyset 141 being fixed on mould dynamic model 120, and by driving assembly 143 to drive mould dynamic model 120 from pre-matched moulds position
Put and move to die-closed position, and then can effectively detect between mould dynamic model 120 and stationary mould for mould 130 whether have chip, keep away
Exempt from chip and destroy mould dynamic model 120 or stationary mould for mould 130.
In embodiments more of the present utility model, as shown in figures 1 to 6, protection device also includes the second keyset
142, the second keyset 142 is fixed on moving platen 110, and the second keyset 142 is the most right with the first keyset 141, second turn
Fishplate bar 142 and moving platen 110 can be fixed together by threaded fastener.
It is to say, be no longer directly contact between mould dynamic model 120 and moving platen 110, but by the first switching
Plate 141 and the second keyset 142 link together.Second keyset 142 can directly contact with the first keyset 141, it is possible to
With spaced apart a certain distance.
When pre-die-closed position, the distance between mould dynamic model 120 and stationary mould for mould 130 is L1, drives Component driver 143
Drive the first keyset 141 close to stationary mould for mould 130 with driven mold dynamic model 120.
Distance during pre-die-closed position to die-closed position, between the second keyset 142 and the first keyset 141
It is changed to Δ L, wherein, when Δ L=L1, illustrates can fit completely between mould dynamic model 120 and stationary mould for mould 130, mould
Without chip between dynamic model 120 and stationary mould for mould 130, mold protecting device sends without chip signal；When Δ L ＜ L1, mould is described
Fitting the most completely between tool dynamic model 120 and cover half, have chip between mould dynamic model 120 and stationary mould for mould 130, mould is protected
Device has sent chip signal.
Such as, when mould dynamic model 120 is in pre-die-closed position, between the second keyset 142 and the first keyset 141
Distance can be L2, time between mould dynamic model 120 and stationary mould for mould 130 without chip, and mould dynamic model 120 and stationary mould for mould 130
Can fit completely, mould dynamic model 120 can move L1 to the direction near stationary mould for mould 130, and due to the first keyset 141
It is fixed together with mould dynamic model 120, so the first keyset 141 also moves to the direction near stationary mould for mould 130 and mobile
Distance is L1, and now, the distance between the second keyset 142 and the first keyset 141 is L2+L1, therefore deduces that second
Distance changes delta L=L2+L1-L2=L1 between keyset 142 and the first keyset 141；
When having chip between mould dynamic model 120 and stationary mould for mould 130, mould dynamic model 120 and stationary mould for mould 130 cannot
Fitting completely, have gap between mould dynamic model 120 and stationary mould for mould 130, mould dynamic model 120 is near stationary mould for mould 130
L3, and L3 ＜ L1 are moved in direction, owing to the first keyset 141 is fixed together with mould dynamic model 120, so the first keyset
141 also to moving near the direction of stationary mould for mould 130 and displacement is L3, now the second keyset 142 and the first keyset
Distance between 141 is L2+L3, therefore deduces that the distance changes delta between the second keyset 142 and the first keyset 141
L=L2+L3-L2=L3, and L3 ＜ L1, then Δ L ＜ L1.
It is, of course, preferable to ground, when mould dynamic model 120 is promoted by the hydraulic system of die casting machine 100, drive assembly 143 not work
Making, the second keyset 142 and the first keyset 141 can fit tightly, when mould dynamic model 120 is in pre-die-closed position, the
Distance between two keysets 142 and the first keyset 141 is zero.Now, the first keyset 141 and mould dynamic model 120 are to leaning on
The distance that the direction of nearly stationary mould for mould 130 is moved is the spacing change of the second keyset 142 and the first keyset 141, also
That is, when mould dynamic model 120 is in die-closed position, the distance between the second keyset 142 and the first keyset 141 is
Second keyset 142 and spacing changes delta L of the first keyset 141.When mould dynamic model 120 is in die-closed position, when
When distance between two keysets 142 and the first keyset 141 is equal to L1, illustrate between mould dynamic model 120 and stationary mould for mould 130
There is no chip；When distance between the second keyset 142 and the first keyset 141 is less than L1, mould dynamic model 120 and mould are described
Between tool cover half 130, there is chip.
It is, of course, understood that as shown in figures 1 and 3, the detection of above-mentioned Δ L can be by being arranged on the second switching
Sensitive stroke sensor 144 on plate 142 and/or the first keyset 141 detects.
Protection device also includes controller, and controller is connected with fluid pressure drive device and driving assembly 143 respectively, and permissible
For receiving with/without chip signal, with braking/actuating fluid pressure drive device.
In other words, when controller has received chip signal, now, controller controls fluid pressure drive device not to dynamic model
Plate 110 applies power, it is to avoid the power between mould dynamic model 120 and stationary mould for mould 130 is excessive and mold damage, after being removed by chip
Just can apply power with compaction mold dynamic model 120 and stationary mould for mould 130 to moving platen 110；When controller receives without chip signal
Time, controller can control fluid pressure drive device and apply power, compaction mold dynamic model 120 and stationary mould for mould 130 to moving platen 110,
To complete follow-up die casting operation.
In embodiments more of the present utility model, as shown in Fig. 6 to Figure 10, the first keyset 141 is provided with guide pin bushing
141a, the second keyset 142 is provided with the guide pillar 142a corresponding with guide pin bushing 141a, and guide pillar 142a passes guide pin bushing 141a, and guide pillar
Position limiting structure 145 it is provided with on 142a.
Position limiting structure 145 can limit driving means and drive mould dynamic model 120 and the displacement of the second keyset 142,
Avoid mould dynamic model 120 and the second keyset 142 to depart from from guide pillar 142a, cause the damage of mould and affect the peace of employee
Entirely.
It is to say, by arranging position limiting structure 145 on guide pillar 142a, so that the second keyset 142 and first
There is between keyset 141 a maximal clearance value.
First rely on the hydraulic system of die casting machine 100 by moving platen the 110, first keyset the 141, second keyset 142 and
Mould dynamic model 120 is pushed to pre-die-closed position, now fits tightly between the second keyset 142 and the first keyset 141, mould
Dynamic model 120 is the maximum that can reach between the second keyset 142 and the first keyset 141 apart from the distance of stationary mould for mould 130
Gap width；
Then, by driving assembly 143 to drive mould dynamic model 120 and the first keyset 141 direction towards stationary mould for mould 130
It is mobile, until mould dynamic model 120 is in die-closed position.When detect between the second keyset 142 and the first keyset 141 away from
It is worth from equal to the maximal clearance between the second keyset 142 and the first keyset 141, mould dynamic model 120 and stationary mould for mould are described
Without chip between 130；When the distance detected between the second keyset 142 and the first keyset 141 is less than the second keyset 142
And the maximal clearance value that first between keyset 141, illustrate to have between mould dynamic model 120 and stationary mould for mould 130 chip, mould is dynamic
Mould 120 and stationary mould for mould 130 do not have complete matched moulds.
Advantageously, guide pillar 142a and guide pin bushing 141a is multiple, and multiple guide pillar 142a and multiple guide pin bushing 141a one_to_one corresponding.
In concrete example of the present utility model, guide pillar 142a and guide pin bushing 141a is four.Thus, it is possible to make the second keyset
142 and first keyset 141 relative motion more steady.
Specifically, position limiting structure 145 includes that sleeve and the bolt of open at one end, guide pillar 142a and guide pin bushing 141a are from first turn
Fishplate bar 141 stretches out, and the end face of guide pillar 142a is provided with screwed hole, and sleeve includes bottom wall part and surrounding wall portion, the surrounding wall portion set of sleeve
Being located on guide pin bushing, the bottom wall part of sleeve is only against on guide pillar 142a and guide pin bushing 141a, bottom wall part be provided with screwed hole just to
Centre bore, bolt is through centre bore and is tightened in screwed hole.Thus, sleeve can limit the movement of the first keyset 141, keeps away
Exempt from the first keyset 141 and mould dynamic model 120 comes off from guide pillar 142a.
In embodiments more of the present utility model, driving assembly 143 is cylinder.The power provided due to cylinder is much smaller than pressure
The power that the hydraulic system of casting machine 100 provides, therefore when cylinder promotes mould dynamic model 120 from pre-die-closed position to die-closed position,
Even if having chip between mould dynamic model 120 and mould dynamic model 120, chip also will not be to mould dynamic model 120 and stationary mould for mould 130
Cause damage.
When detecting between mould dynamic model 120 and stationary mould for mould 130 without chip, the power supply of cylinder can be cut by controller
Disconnected, make cylinder not stress, controller controls hydraulic system moving platen 110, second keyset 142, first of die casting machine 100 afterwards
Keyset 141, mould move plate and move towards stationary mould for mould 130, and stationary mould for mould 130 and mould dynamic model 120 are fully pressed to position,
After carry out follow-up injection operation；Having chip inside mold cavity when detecting, controller controls the hydraulic system of die casting machine 100 not
Action, the chip of cleaning mold cavity, clear up after feeding back without chip signal until stroke sensor 144, just carried out mould
The injection work of tool.
In embodiments more of the present utility model, the rear end cap of cylinder is fixed on moving platen 110, the piston rod of cylinder
Free end be fixed on the first keyset 141.Specifically, the free end of the piston rod of cylinder is by the first switching 143a and the
Two switching 143b are fixed on the first keyset 141.
In embodiments more of the present utility model, the trachea front end of cylinder is provided with choke valve.Thus, it is possible to make cylinder even
Speed, stably promote the first keyset 141 to move.
Preferably, cylinder can be multiple, and multiple cylinder is evenly distributed on moving platen 110.Thus, it is possible to make mould
Tool dynamic model 120 is running more steady from pre-die-closed position to die-closed position.
Because be respectively mounted on the second keyset 142 and the first keyset 141 four enough guide pillar 142a of intensity and
Guide pin bushing 141a, the frictional force between guide pillar 142a and guide pin bushing 141a is negligible, as long as at this moment four cylinders are with little
Power just can promote mould dynamic model 120 to move towards stationary mould for mould 130, and it is also that comparison is sensitive that stroke sensor 144 senses；Separately
Outer because having vaccum seal ring on moving platen 110, stroke sensor 144 has significantly fluctuation, this practicality when feedback signal
The novel trachea front end at cylinder has added choke valve so that the signal feedback of four cylinder uniform motion and stroke sensor 144
More stable.
In this utility model, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score
Can be that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And, first is special
Levy second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only
Represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " permissible
Be fisrt feature immediately below second feature or obliquely downward, or be merely representative of fisrt feature level height less than second feature.
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " specifically show
Example " or the description of " some examples " etc. means to combine this embodiment or example describes specific features, structure, material or spy
Point is contained at least one embodiment of the present utility model or example.In this manual, the schematic table to above-mentioned term
State and be necessarily directed to identical embodiment or example.And, the specific features of description, structure, material or feature are permissible
One or more embodiment in office or example combine in an appropriate manner.Additionally, in the case of the most conflicting, this area
Technical staff the feature of the different embodiments described in this specification or example and different embodiment or example can be entered
Row combines and combination.
Although above it has been shown and described that embodiment of the present utility model, it is to be understood that above-described embodiment is
Exemplary, it is impossible to it is interpreted as that those of ordinary skill in the art is in scope of the present utility model to restriction of the present utility model
In above-described embodiment can be changed, revise, replace and modification.
Claims (11)
1. a mould, it is characterised in that including:
Mould dynamic model, stationary mould for mould and moving platen, described moving platen is arranged on described mould dynamic model, and described mould dynamic model is relative
Described stationary mould for mould has pre-die-closed position and die-closed position；
Protection device, described protection device includes:
First keyset, described first keyset is fixed on described mould dynamic model and relative with described moving platen；
Driving assembly, described driving assembly is arranged for driving described mould dynamic model from described pre-die-closed position to described matched moulds
Position is moved；
Described protection device also includes: the second keyset, and described second keyset is fixed on described moving platen, and described second
Keyset is the most right with described first keyset；
Described first keyset is provided with guide pin bushing, and described second keyset is provided with the guide pillar corresponding with described guide pin bushing, and described
Position limiting structure it is provided with on guide pillar.
Mould the most according to claim 1, it is characterised in that described guide pillar and described guide pin bushing are multiple, and multiple described
Guide pillar and multiple described guide pin bushing one_to_one corresponding.
Mould the most according to claim 2, it is characterised in that described guide pillar and described guide pin bushing wear described first switching
Plate, the end face of described guide pillar is provided with screwed hole, and described position limiting structure is the sleeve of open at one end, and described sleeve is set in described
On guide pin bushing, bolt wears described sleeve and is tightened in described screwed hole.
Mould the most according to claim 1, it is characterised in that described driving assembly is cylinder.
Mould the most according to claim 4, it is characterised in that the rear end cap of described cylinder is fixed on described moving platen,
The free end of the piston rod of described cylinder is fixed on described first keyset.
Mould the most according to claim 4, it is characterised in that the trachea front end of described cylinder is provided with choke valve.
Mould the most according to claim 5, it is characterised in that the free end of the piston rod of described cylinder is by the first switching
It is fixed on described first keyset with the second switching.
Mould the most according to claim 4, it is characterised in that described cylinder is multiple, and multiple described cylinder uniformly divides
Cloth is on described moving platen.
Mould the most according to claim 1, it is characterised in that described first keyset is fixed on institute by threaded fastener
Stating on mould dynamic model, described second keyset is fixed on described moving platen by threaded fastener.
Mould the most according to claim 1, it is characterised in that on described first keyset and/or described second keyset
Being provided with stroke sensor to detect the distance between described first keyset and described second keyset, described protection device is also
Including: for receiving the controller with/without chip signal, described controller is connected with described stroke sensor.
11. 1 kinds of die casting machines, it is characterised in that include the mould as described in any one in claim 1-10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521081597.3U CN205571378U (en) | 2015-12-23 | 2015-12-23 | Mould and have its die casting machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521081597.3U CN205571378U (en) | 2015-12-23 | 2015-12-23 | Mould and have its die casting machine |
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| CN205571378U true CN205571378U (en) | 2016-09-14 |
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| CN201521081597.3U Active CN205571378U (en) | 2015-12-23 | 2015-12-23 | Mould and have its die casting machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108746543A (en) * | 2018-06-28 | 2018-11-06 | 安徽霍山龙鑫金属科技有限公司 | Oil pump cover die casting machine particular manufacturing craft |
-
2015
- 2015-12-23 CN CN201521081597.3U patent/CN205571378U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108746543A (en) * | 2018-06-28 | 2018-11-06 | 安徽霍山龙鑫金属科技有限公司 | Oil pump cover die casting machine particular manufacturing craft |
| CN108746543B (en) * | 2018-06-28 | 2020-07-03 | 安徽霍山龙鑫金属科技有限公司 | Die special for die casting machine for engine oil pump cover |
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