CN208390975U - Aluminium diecasting pressing mechanism - Google Patents
Aluminium diecasting pressing mechanism Download PDFInfo
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- CN208390975U CN208390975U CN201820808618.4U CN201820808618U CN208390975U CN 208390975 U CN208390975 U CN 208390975U CN 201820808618 U CN201820808618 U CN 201820808618U CN 208390975 U CN208390975 U CN 208390975U
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- aluminium diecasting
- hold
- upper pressure
- pressure holding
- pressure
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Abstract
The aluminium diecasting pressing mechanism of the utility model passes through setting pedestal, material stationary fixture, guide assembly, upper pressure device, the first hold-down devices and the second hold-down devices.In the application process of actual aluminium diecasting pressing mechanism, the first hold-down devices are used to aluminium diecasting to be assembled being stably fixed on material stationary fixture;Upper pressure device is used to pin being assembled to aluminium diecasting to be assembled;Second hold-down devices are used to be assembled to aluminium diecasting to be assembled for bushing;Since the first end of upper pressure charging ram is slideably positioned in first material putting hole, second, which pushes pressure holding block, is slideably positioned on guide assembly, so that pin stabilization can be assembled on aluminium diecasting to be assembled during upper pressure device assembles pin, guarantee the assembly precision of pin;Since the second pushing pressure holding block is slideably positioned on guide assembly, so that bushing stabilization can be assembled on aluminium diecasting to be assembled during assembling bushing, guarantee bushing assembly precision by the second hold-down devices.
Description
Technical field
The utility model relates to pressing technical fields, more particularly to a kind of aluminium diecasting pressing mechanism.
Background technique
Currently, aluminium diecasting is a kind of part of compression casting, it is using the compression casting machinery pressure for installing casting die
The aluminum or aluminum alloy for being heated to be liquid is poured into the feeding inlet of die casting machine by casting machine, through die casting machine die casting, casts out mold limitation
The aluminium part or aluminum alloy part of shape and size, such part are usually just called aluminium diecasting.Due to metallic aluminium and aluminium
Alloy has good mobility and plasticity, and casting processing is cast in the die casting machine for having pressure, therefore aluminium die casting
Part can make various more complex shapes, can also make higher precision and finish, to significantly reduce casting
The machining amount of part and the casting surplus of metal aluminum or aluminum alloy have not only been saved electric power, metal material, have also been greatly saved
Labour cost;And aluminium and aluminium alloy have excellent thermal conductivity, lesser specific gravity and high machinability;To which aluminium diecasting is wide
It is general to be manufactured applied to automobile manufacture, internal combustion engine production, motorcycle manufacture, motor manufacture, oil pump manufacture, gearing, is accurate
The various industries such as instrument, landscaping, power construction, building decoration.
After having cast aluminium diecasting, in order to realize the assembling of an aluminium diecasting Yu another aluminium diecasting, it is also necessary to cast
The union pieces such as pin, bushing are assembled on the aluminium diecasting made, preferably to realize the assembling between two aluminium diecastings, also
Guarantee the connective stability of two aluminium diecastings.Or it is existing on aluminium diecasting to assemble pin and bushing for example
Assemble pin and it is bushing when, existing assembly method be difficult to ensure assemble pin and it is bushing when guarantee pin and bushing very quasi-
True is assembled on aluminium diecasting, although can in the above described manner can on aluminium diecasting fit on pin and bushing, but
Since pin and bushing rigging position are not accurate enough, that is, assembly precision is not high, and the later period is just easily caused to assemble two aluminium
When die casting, because pin and bushing installation are inaccurate, cause the connective stability between two aluminium diecastings not high, that is, two
Connective stability is not strong between a aluminium diecasting;In addition, it is existing aluminium diecasting assemble pin and it is bushing when, can not assemble multiple
Pin is multiple bushing, causes assembly efficiency not high.
Utility model content
The purpose of the utility model is to overcome shortcomings in the prior art, and assembly precision can be guaranteed by providing one kind
Aluminium diecasting pressing mechanism.
The purpose of this utility model is achieved through the following technical solutions:
A kind of aluminium diecasting pressing mechanism, comprising:
Pedestal offers first material putting hole on the pedestal;
Material stationary fixture, the material stationary fixture are set on the pedestal, and the material stationary fixture is for putting
Set aluminium diecasting to be assembled;
Guide assembly, the guide assembly are set on the pedestal;
Upper pressure device, the upper pressure device are set on the pedestal, the upper pressure device include upper pressure driving assembly and
Upper pressure charging ram, the upper pressure driving assembly are set on the pedestal, and the first end of the upper pressure charging ram is slideably positioned in
In the putting hole, the second end of the upper pressure charging ram and the upper pressure driving assembly are drivingly connected, the upper pressure driving group
Part is for driving the upper pressure charging ram to move along Z-direction;
First hold-down devices, first hold-down devices are set on the pedestal, and first hold-down devices include the
One pushes driving assembly and the first pushing panel, and the first pushing driving assembly is set on the pedestal, under described first
Pressure surface plate is slideably positioned on the guide assembly, and described first pushes panel and the first pushing driving assembly driving company
It connects, for the first pushing driving assembly for driving the first pushing panel to move along Z-direction, described first pushes panel
On be provided with press keeping section and second material putting hole;And
Second hold-down devices, second hold-down devices are set on the pedestal, and second hold-down devices include the
Two, which push driving assembly, the second pushing pressure holding block, pressure holding column and pressure sensor, the second pushing driving assembly, is set to institute
It states on pedestal, described second, which pushes pressure holding block, is slideably positioned on the guide assembly, and described second pushes pressure holding block and institute
The second pushing driving assembly drive connection is stated, the first end of the pressure holding column is slideably positioned in described second and pushes in pressure holding block,
The second end of the pressure holding column is placed on described second and pushes outside pressure holding block, and the second end of the pressure holding column is towards described second
The setting of material putting hole, the second pushing driving assembly are moved for driving described second to push pressure holding block to Z-direction, institute
It states pressure sensor and is set to described second and push in pressure holding block, the of the test side of the pressure sensor and the pressure holding column
One end abuts.
In a wherein embodiment, second hold-down devices further include that material places cap, and the material places cap
On offer guide hole, the material is placed cap and is set in the second material putting hole, the second end of the pressure holding column with
The guide hole alignment.
In a wherein embodiment, the guide assembly includes bushing and guide post, and the bushing is set to described
In pedestal, the guide post is set on the bushing, and the first pushing panel and the second pushing pressure holding block are slided respectively
It is dynamic to be set on the guide post.
In a wherein embodiment, the guide post has circular cross section.
In a wherein embodiment, there are four the guide assembly settings.
In a wherein embodiment, there are two the first material putting hole opens up, the upper pressure device is provided with
Two, the first end one-to-one correspondence of each upper pressure charging ram is slideably positioned in each first material putting hole.
In a wherein embodiment, there are two the second material putting hole opens up, second hold-down devices are set
There are two setting, each pressure holding column one-to-one correspondence is aligned with each second material putting hole.
In a wherein embodiment, aluminium diecasting pressing mechanism further includes multiple limited posts, each limit
Column is all set on the pedestal.
In a wherein embodiment, buffer part is provided on the limited post.
In a wherein embodiment, the buffer part is rubber buffer portion.
Compared with prior art, the utility model at least has the following advantages:
The aluminium diecasting pressing mechanism of the utility model, by the way that pedestal, material stationary fixture, guide assembly, upper pressure is arranged
Device, the first hold-down devices and the second hold-down devices.In the application process of actual aluminium diecasting pressing mechanism, first is pushed
Device is used to aluminium diecasting to be assembled being stably fixed on material stationary fixture;Upper pressure device is to be installed for pin to be assembled to
With on aluminium diecasting;Second hold-down devices are used to be assembled to aluminium diecasting to be assembled for bushing;Due to the of upper pressure charging ram
One end is slideably positioned in first material putting hole, and second, which pushes pressure holding block, is slideably positioned on guide assembly, so that in upper pressure
During device assembles pin, pin stabilization can be assembled on aluminium diecasting to be assembled, guarantee the assembly precision of pin;
Due to second push pressure holding block be slideably positioned on guide assembly so that the second hold-down devices assemble it is bushing during, can
Bushing stabilization to be assembled on aluminium diecasting to be assembled, guarantee bushing assembly precision.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the structural schematic diagram of the aluminium diecasting pressing mechanism in one embodiment of the utility model;
Fig. 2 is the structural schematic diagram at another visual angle of aluminium diecasting pressing mechanism in one embodiment of the utility model;
Fig. 3 is enlarged diagram of the Fig. 1 at A;
Fig. 4 is enlarged diagram of the Fig. 2 at B;
Fig. 5 is the structural schematic diagram of the material placement cap in one embodiment of the utility model.
Specific embodiment
The utility model is more fully retouched below with reference to relevant drawings for the ease of understanding the utility model,
It states.The better embodiment of the utility model is given in attached drawing.But the utility model can come in many different forms
It realizes, however it is not limited to embodiments described herein.On the contrary, the purpose of providing these embodiments is that making practical new to this
The disclosure of type understands more thorough and comprehensive.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement for illustrative purposes only, are not meant to be the only embodiment.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model
The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term " and or " used herein packet
Include any and all combinations of one or more related listed items.
Also referring to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, aluminium diecasting pressing mechanism 10 includes pedestal 100, material stationary fixture
200, guide assembly 300, upper pressure device 400, the first hold-down devices 500 and the second hold-down devices 600;It is opened on the pedestal 100
Equipped with first material putting hole 110;The material stationary fixture 200 is set on the pedestal 100, the material stationary fixture
200 for placing aluminium diecasting to be assembled;The guide assembly 300 is set on the pedestal 100;The upper pressure device 400
It is set on the pedestal 100, the upper pressure device 400 includes upper pressure driving assembly 410 and upper pressure charging ram, and the upper pressure is driven
Dynamic component 410 is set on the pedestal 100, and the first end of the upper pressure charging ram is slideably positioned in the putting hole 110,
The second end of the upper pressure charging ram and the upper pressure driving assembly 410 are drivingly connected, and the upper pressure driving assembly 410 is for driving
The upper pressure charging ram is moved to move along Z-direction;First hold-down devices 500 are set on the pedestal 100, and described first
Hold-down devices 500 include the first pushing driving assembly 510 and first pushes panel 520, and the first pushing driving assembly 510 is set
It is placed on the pedestal 100, the first pushing panel 520 is slideably positioned on the guide assembly 300, and under described first
Pressure surface plate 520 and described first pushes the drive connection of driving assembly 510, and the first pushing driving assembly 510 is for driving institute
It states the first pushing panel 520 to move along Z-direction, is provided with press keeping section 521 and second material on the first pushing panel 520
Putting hole 522;Second hold-down devices 600 are set on the pedestal 100, and second hold-down devices 600 include second
It pushes driving assembly 610, second and pushes pressure holding block 620, pressure holding column 630 and pressure sensor, described second pushes driving assembly
610 are set on the pedestal 100, and described second, which pushes pressure holding block 620, is slideably positioned on the guide assembly 300, and institute
It states the second pushing pressure holding block 620 and described second and pushes the drive connection of driving assembly 610, the first end of the pressure holding column 630 is sliding
Dynamic to be set in the second pushing pressure holding block 620, the second end of the pressure holding column 630 is placed on described second and pushes pressure holding block
Outside 620, and the second end of the pressure holding column 630 is arranged towards the second material putting hole 522, and described second pushes driving group
Part 610 is moved for driving described second to push pressure holding block 620 to the opposite direction of Z axis, and the pressure sensor is set to institute
It states in the second pushing pressure holding block 620, the test side of the pressure sensor is abutted with the first end of the pressure holding column 630.In this way,
In the application process of actual aluminium diecasting pressing mechanism 10, the first hold-down devices 500 are used for aluminium diecasting to be assembled is steady
Surely it is fixed on material stationary fixture 200;Upper pressure device 400 is used to pin being assembled to aluminium diecasting to be assembled;Under second
Pressure device 400 is used to be assembled to aluminium diecasting to be assembled for bushing;It is put since the first end of upper pressure charging ram is slideably positioned in
It sets in hole 110, second, which pushes pressure holding block 620, is slideably positioned on guide assembly 300, so that assembling pin in upper pressure device 400
During, pin stabilization can be assembled on aluminium diecasting to be assembled, guarantee the assembly precision of pin;Due to the second pushing
Pressure holding block 620 is slideably positioned on guide assembly 300, so that the second hold-down devices 600 during assembling bushing, can incite somebody to action
Bushing stabilization is assembled on aluminium diecasting to be assembled, guarantees bushing assembly precision.
The concrete operating principle of aluminium diecasting pressing mechanism 10 is described in detail below
User places pin to first material putting hole 110, then aluminium diecasting to be assembled is placed on material and is fixed
In fixture 200, start the first hold-down devices 500, first, which pushes the driving of driving assembly 510 first, pushes panel 520 along Z-direction
Aluminium diecasting to be assembled is stably fixed on material stationary fixture 200 by movement, the first pushing panel 520 using press keeping section, and
User, which can choose, afterwards first starts upper pressure device 400 or first starts the second hold-down devices 600, when the upper pressure device 400 of starting
When, upper pressure driving assembly 410 drives pressure charging ram to move along Z-direction, with the movement of upper pressure charging ram, upper pressure charging ram
First end offset with pin, upper pressure charging ram pushes pin to rise, and pin is assembled to aluminium pressure to be assembled by upper pressure charging ram
On casting;Before starting the second hold-down devices 600, user needs first to be put into bushing to second material putting hole 522, then
Restart the second hold-down devices 600, the second pushing driving assembly 610 driving second pushes pressure holding block 620 and moves along Z-direction,
It drives the pressure holding column being arranged on the second pushing pressure holding block 620 to move toward the direction close to second material putting hole 522, works as pressure holding
When the second end of column 630 is with bushing abut, pressure holding column 630 is assembled to bushing on aluminium diecasting to be assembled, due to the second pushing
The first end that pressure sensor and pressure holding column are provided in pressure holding block 620 is slideably positioned in the second pushing pressure holding block 620, works as pressure
Hold column 630 by it is bushing be assembled on aluminium diecasting to be assembled when, pressure holding column 630 can due to bushing interaction force to close
The direction of the test side of pressure sensor moves, and the test side of pressure sensor can detect the pressure of generation when assembling bushing
Power, so that whether detect bushing assembly wrong, when aluminium diecasting to be assembled successfully assemble pin and it is bushing after, upper pressure device
400, the first hold-down devices 500 and the second hold-down devices 600 starting reset work, user can by pin successfully assembled with
Bushing aluminium diecasting takes out, since the first end of upper pressure charging ram is slideably positioned in first material putting hole 110 and the
Two, which push pressure holding block 620, is slideably positioned on guide assembly 200, so that reliable guarantor can be obtained in pin and bushing assembly precision
Card lays the foundation for the connective stability of subsequent two aluminium diecastings.
Further, Fig. 5 and Fig. 3 are please referred to, in one embodiment, second hold-down devices 600 further include material
Cap 640 is placed, the material is placed and offers guide hole 641 on cap 640, and the material places cap 640 and is set to described second
In material putting hole 522, the second end of the pressure holding column 630 is aligned with the guide hole 641.In this way, due to being bushed in second
It is bushing to be physically contacted with the inner sidewall of second material putting hole 522 that is, bushing in material putting hole 522 when sliding
It can mutually be worn with the inner sidewall of second material putting hole 522, if second material putting hole 522 is chronically at state of wear,
Second material putting hole 522 can damage, and cause bushing can not stablize to be placed in second material putting hole 522, therefore, in order to solve
Material is arranged in second material putting hole 522 and places cap 640 for this problem, and material is placed and offers guide hole on cap 640
641, bushing to be set in guide hole 641, material places cap 640 to grind instead of second material putting hole 522 with bushing
Damage, when material, which places cap 640, to be damaged, the replaceable new material of user places cap 640, effectively prevents second material placement
Hole 522 is damaged and needs worse first to push panel 520, it is only necessary to replace material and place cap 640;Further, since bushing
Shape is different, and setting material placement cap 640 can be combined with bushing shape and open up suitable 641 shape of guide hole, is come with this
Match it is bushing, without because bushing shape difference to replace it is matched first push panel 520.
Further, referring to Fig. 1, in one embodiment, the guide assembly 200 includes bushing and guide post
210, the bushing is set in the pedestal 100, and the guide post 210 is set on the bushing, the described first lower pressure surface
Plate 520 and the second pushing pressure holding block 620 are slideably positioned in respectively on the guide post 210.In this way, the setting of bushing can be with
Guarantee the position precision of installation guide post 210;Guide post 210 guarantees the precision of bushing assembly for playing the role of guidance.
Specifically, in one embodiment, the guide post 210 has circular cross section.More specifically, in one embodiment,
There are four the settings of guide assembly 200.
Further, referring to Fig. 2 and Fig. 4, in one embodiment, the first material putting hole 110 is opened up
There are two, there are two the upper settings of pressure device 400, and the first end one-to-one correspondence of each upper pressure charging ram is slideably positioned in each
In the first material putting hole 110.In this way, upper pressure device 400 is provided with two there are two first material putting hole 110 opens up
It is a, so that can disposably assemble two pins during treating aluminium diecasting assembly pin, improve assembly efficiency.
Further, referring to Fig. 3, in one embodiment, the second material putting hole 522 offers two
A, there are two the settings of the second hold-down devices 600, and each pressure holding column 630 is corresponded to be placed with each second material
Hole 522 is aligned.In this way, there are two the settings of the second hold-down devices 600, so that right there are two second material putting hole 522 opens up
During assembling pin to aluminium diecasting, two bushing, raising assembly efficiencies can be disposably assembled.
Further, referring to Fig. 2, in one embodiment, aluminium diecasting pressing mechanism 10 further includes more
A limited post 700, each limited post 700 are all set on the pedestal 100.In this way, the setting of multiple limited posts 700 is played
The effect of protection prevents the first hold-down devices 500 from excessively pushing and damaging by pressure to aluminium diecasting.Further, in an embodiment party
In formula, buffer part is provided on the limited post 700.In this way, buffer part plays the role of buffering.Specifically, in an embodiment party
In formula, the buffer part is rubber buffer portion.
The aluminium diecasting pressing mechanism of the utility model, by the way that pedestal, material stationary fixture, guide assembly, upper pressure is arranged
Device, the first hold-down devices and the second hold-down devices.In the application process of actual aluminium diecasting pressing mechanism, first is pushed
Device is used to aluminium diecasting to be assembled being stably fixed on material stationary fixture;Upper pressure device is to be installed for pin to be assembled to
With on aluminium diecasting;Second hold-down devices are used to be assembled to aluminium diecasting to be assembled for bushing;Due to the of upper pressure charging ram
One end is slideably positioned in first material putting hole, and second, which pushes pressure holding block, is slideably positioned on guide assembly, so that in upper pressure
During device assembles pin, pin stabilization can be assembled on aluminium diecasting to be assembled, guarantee the assembly precision of pin;
Due to second push pressure holding block be slideably positioned on guide assembly so that the second hold-down devices assemble it is bushing during, can
Bushing stabilization to be assembled on aluminium diecasting to be assembled, guarantee bushing assembly precision.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (10)
1. a kind of aluminium diecasting pressing mechanism characterized by comprising
Pedestal offers first material putting hole on the pedestal;
Material stationary fixture, the material stationary fixture are set on the pedestal, the material stationary fixture for place to
Assemble aluminium diecasting;
Guide assembly, the guide assembly are set on the pedestal;
Upper pressure device, the upper pressure device are set on the pedestal, and the upper pressure device includes upper pressure driving assembly and upper pressure
Charging ram, the upper pressure driving assembly are set on the pedestal, and the first end of the upper pressure charging ram is slideably positioned in described
In putting hole, the second end of the upper pressure charging ram and the upper pressure driving assembly are drivingly connected, and the upper pressure driving assembly is used
It is moved in the driving upper pressure charging ram along Z-direction;
First hold-down devices, first hold-down devices are set on the pedestal, first hold-down devices include first under
Driving assembly and first is pressed to push panel, the first pushing driving assembly is set on the pedestal, the described first lower pressure surface
Plate is slideably positioned on the guide assembly, and described first pushes panel and the first pushing driving assembly drive connection,
For driving the first pushing panel to move along Z-direction, described first pushes on panel the first pushing driving assembly
It is provided with press keeping section and second material putting hole;And
Second hold-down devices, second hold-down devices are set on the pedestal, second hold-down devices include second under
Driving assembly, second is pressed to push pressure holding block, pressure holding column and pressure sensor, the second pushing driving assembly is set to the base
On seat, described second, which pushes pressure holding block, is slideably positioned on the guide assembly, and described second pushes pressure holding block and described the
Two, which push driving assembly, is drivingly connected, and the first end of the pressure holding column is slideably positioned in described second and pushes in pressure holding block, described
The second end of pressure holding column is placed on described second and pushes outside pressure holding block, and the second end of the pressure holding column is towards the second material
Putting hole setting, the second pushing driving assembly are moved for driving described second to push pressure holding block to Z-direction, the pressure
Force snesor is set to described second and pushes in pressure holding block, the first end of the test side of the pressure sensor and the pressure holding column
It abuts.
2. aluminium diecasting pressing according to claim 1 mechanism, which is characterized in that second hold-down devices further include object
Material places cap, and the material is placed and offers guide hole on cap, and the material places cap and is set to the second material putting hole
Interior, the second end of the pressure holding column is aligned with the guide hole.
3. aluminium diecasting pressing according to claim 1 mechanism, which is characterized in that the guide assembly includes bushing and draws
Guide post, the bushing are set in the pedestal, and the guide post is set on the bushing, and described first pushes panel and institute
The second pushing pressure holding block is stated to be slideably positioned in respectively on the guide post.
4. aluminium diecasting pressing according to claim 3 mechanism, which is characterized in that the guide post has circular transversal
Face.
5. aluminium diecasting pressing according to claim 3 mechanism, which is characterized in that there are four the guide assembly settings.
6. aluminium diecasting pressing according to claim 1 mechanism, which is characterized in that the first material putting hole offers
Two, there are two the upper pressure device settings, and the first end one-to-one correspondence of each upper pressure charging ram is slideably positioned in each described
In first material putting hole.
7. aluminium diecasting pressing according to claim 1 mechanism, which is characterized in that the second material putting hole offers
Two, there are two the second hold-down devices settings, and each pressure holding column corresponds and each second material putting hole pair
Together.
8. aluminium diecasting pressing according to claim 1 mechanism, which is characterized in that aluminium diecasting pressing mechanism is also wrapped
Multiple limited posts are included, each limited post is all set on the pedestal.
9. aluminium diecasting pressing according to claim 6 mechanism, which is characterized in that be provided with buffering on the limited post
Portion.
10. aluminium diecasting pressing according to claim 6 mechanism, which is characterized in that the buffer part is rubber buffer portion.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201820808618.4U CN208390975U (en) | 2018-05-28 | 2018-05-28 | Aluminium diecasting pressing mechanism |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201820808618.4U CN208390975U (en) | 2018-05-28 | 2018-05-28 | Aluminium diecasting pressing mechanism |
Publications (1)
Publication Number | Publication Date |
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CN208390975U true CN208390975U (en) | 2019-01-18 |
Family
ID=65133743
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CN201820808618.4U Active CN208390975U (en) | 2018-05-28 | 2018-05-28 | Aluminium diecasting pressing mechanism |
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2018
- 2018-05-28 CN CN201820808618.4U patent/CN208390975U/en active Active
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