CN216760631U - Plastic injection mold - Google Patents
Plastic injection mold Download PDFInfo
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- CN216760631U CN216760631U CN202123064628.2U CN202123064628U CN216760631U CN 216760631 U CN216760631 U CN 216760631U CN 202123064628 U CN202123064628 U CN 202123064628U CN 216760631 U CN216760631 U CN 216760631U
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Abstract
The application discloses plastic injection mold for carry out the plastic and mould plastics to the work piece. The shaping injection mold comprises a mold base body, an upper mold assembly and a lower mold assembly, wherein the upper mold assembly and the lower mold assembly are arranged on the mold base body. Go up the mould subassembly and include mould base member and first moving member, the mould base member is located to first moving member is movably, and the tip of first moving member is equipped with first inclined plane. The lower die assembly comprises a lower die base body and a second moving piece, the second moving piece is movably arranged on the lower die base body, and the second moving piece is provided with a second inclined plane matched with the first inclined plane, so that the first moving piece drives the second moving piece to move to shape a workpiece. Above-mentioned plastic injection mold increases the plastic function in injection mold, when last membrane module and lower membrane module compound die, moves in order to carry out the plastic to the work piece through first moving member drive second moving member, then directly moulds plastics in injection mold after the plastic, makes the plastic process accomplish in the mould, can reduce manufacturing cost, shorten production cycle, improves economic benefits.
Description
Technical Field
The application belongs to the technical field of mold injection, in particular to a plastic injection mold.
Background
When the mold is used for injection molding, plastic deformation is easily caused on a molded workpiece due to expansion with heat and contraction with cold, so that the size of the workpiece is changed, in order to avoid influencing subsequent processes such as assembly, a shaping process is generally required to be added before injection molding, the workpiece is shaped in a shaping machine, and then a product is placed into an injection mold for injection molding, so that the size of the injection-molded workpiece meets the requirement. Because of increasing the shaping process, has raised the manufacturing cost, has lengthened the production cycle.
SUMMERY OF THE UTILITY MODEL
In view of the above, there is a need to provide a plastic injection mold for shaping in a mold to reduce the manufacturing cost and shorten the production cycle.
The embodiment of the application provides a plastic injection mold for carry out the plastic and mould plastics to the work piece. The shaping injection mold comprises a mold base body, an upper mold assembly and a lower mold assembly, wherein the upper mold assembly and the lower mold assembly are arranged on the mold base body, and the mold base body, the upper mold assembly and the lower mold assembly are used for injection molding on a workpiece. The upper die assembly comprises an upper die base body and a first moving piece, the first moving piece is movably arranged on the upper die base body along a first direction or a second direction opposite to the first direction, and a first inclined surface is arranged at the end part of the first moving piece. The lower die assembly comprises a lower die base body and a second moving member, the second moving member is movably arranged on the lower die base body along a third direction or a fourth direction opposite to the third direction, and is provided with a second inclined surface matched with the first inclined surface, so that the first moving member drives the second moving member to move along the third direction or the fourth direction to shape the workpiece. When the upper die assembly and the lower die assembly are assembled, the shaping injection mold drives the second moving member to move along the third direction or the fourth direction through the first moving member so as to shape a workpiece, so that a shaping process is completed in the mold, the manufacturing cost can be reduced, the production period can be shortened, and the economic benefit can be improved.
In some embodiments of the present application, the upper die assembly further includes a first driving member, the first driving member is disposed on the upper die base, and an output end of the first driving member is connected to the first moving member.
In some embodiments of the present application, there are two of the second moving parts, and the two second moving parts are spaced apart along the third direction; the first moving piece is provided with two first inclined planes, and the two first inclined planes respectively correspond to the two second moving pieces. The two first inclined planes of the first moving piece can be respectively abutted to the second moving piece, and the first moving piece moves and drives the two second moving pieces to move simultaneously so as to shape the workpiece and improve the working efficiency.
In some embodiments of the present application, the lower die assembly further includes a positioning element, the positioning element is disposed on the lower die base, and the positioning element is used for abutting the workpiece to limit the position of the workpiece on the lower die base.
In some embodiments of the present application, the lower die assembly further comprises an inductor and a controller. The inductor is arranged on the lower die base body and used for detecting whether the first moving part moves to a target position or not. The controller is arranged on the lower die base body, the controller is electrically connected with the inductor and the first driving piece, and the controller can control the first driving piece to act according to the information detected by the inductor.
In some embodiments of the present application, the lower die assembly further includes two third moving members spaced apart in the third direction, a region between the two third moving members forms a shaping chamber, and the workpiece and the second moving member are disposed in the shaping chamber.
In some embodiments of the present application, the lower mold assembly further includes an elastic member, the elastic member connects the lower mold base and the second moving member, and the elastic member is configured to generate an elastic force in the third direction or the fourth direction between the lower mold base and the second moving member to reset the second moving member. The elastic piece can improve the automation degree of the shaping injection mold, improve the working efficiency and shorten the production period.
In some embodiments of the present application, the second moving member is provided with a guide groove, one end of the elastic member extends into the guide groove and acts on the second moving member, and the other end of the elastic member acts on the lower mold base.
In some embodiments of the present application, the plastic injection mold further includes a second driving element, an output end of the second driving element is connected to the upper mold assembly and can drive the upper mold assembly to move closer to the lower mold assembly along the first direction or move away from the lower mold assembly along the second direction.
In some embodiments of the present application, the lower mold base is provided with a slide groove along the third direction, and the second moving member is slidably disposed in the slide groove. The sliding groove can guide the second moving part to move, so that the moving precision of the second moving part is improved, and the shaping quality of the workpiece is guaranteed.
Has the advantages that: above-mentioned plastic injection mold increases the plastic function in current injection mold, when last membrane module and lower membrane module compound die, through first moving member drive second moving member along third direction or fourth direction removal in order to carry out the plastic to the work piece, then directly mould plastics in injection mold after the plastic, make the plastic process accomplish in the mould, but reduction in manufacturing cost, shorten production cycle, improve economic benefits.
Drawings
FIG. 1 is a first view of an injection mold according to an embodiment of the present application.
FIG. 2 is a schematic view of an embodiment of the present application at a point in the closing of the upper and lower mold assemblies.
Fig. 3 is a schematic structural view of a plastic injection mold in a mold clamping state according to an embodiment of the present application.
FIG. 4 is a second view of a plastic injection mold in an embodiment of the present application.
FIG. 5 is a schematic view of the structure of the mold base and lower mold assembly in one embodiment of the present application.
Fig. 6 is a cross-sectional view VI-VI in fig. 2.
Description of the main elements
Upper die assembly 2
Upper die base body 21
First moving part 22
First inclined plane 221
Lower die assembly 3
Lower die base 31
Second moving member 32
Second inclined plane 321
Third moving member 33
Positioning member 36
Chute 38
First direction Z1
Second direction Z2
Third direction X1
Fourth direction X2
The following detailed description will further illustrate the present application in conjunction with the above-described figures.
Detailed Description
The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments.
It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.
The embodiment of the application provides a plastic injection mold for carry out plastic and mould plastics to the work piece. The shaping injection mold comprises a mold base body, an upper mold assembly and a lower mold assembly, wherein the upper mold assembly and the lower mold assembly are arranged on the mold base body, and the mold base body, the upper mold assembly and the lower mold assembly are used for injection molding on a workpiece. The upper die assembly comprises an upper die base body and a first moving piece, the first moving piece is movably arranged on the upper die base body along a first direction or a second direction opposite to the first direction, and a first inclined surface is arranged at the end part of the first moving piece. The lower die assembly comprises a lower die base body and a second moving member, the second moving member is movably arranged on the lower die base body along a third direction or a fourth direction opposite to the third direction, and is provided with a second inclined surface matched with the first inclined surface, so that the first moving member drives the second moving member to move along the third direction or the fourth direction to shape the workpiece. When the upper die assembly and the lower die assembly are assembled, the shaping injection mold drives the second moving member to move along the third direction or the fourth direction through the first moving member so as to shape a workpiece, so that a shaping process is completed in the mold, the manufacturing cost can be reduced, the production period can be shortened, and the economic benefit can be improved.
For illustrative purposes, the following description will be further made by taking the upper mold assembly and the lower mold assembly as examples.
The embodiments of the present application will be further explained with reference to the drawings.
As shown in fig. 1, 2 and 3, embodiments of the present application provide a shaping injection mold 100 for shaping and injecting a workpiece 200. Specifically, the shaping injection mold 100 firstly shapes the workpiece 200 to make the size of the workpiece 200 meet the requirement, as shown in fig. 2, and then closes the mold, as shown in fig. 3, to perform injection molding on the workpiece 200. The shaping injection mold 100 finishes the shaping process of the workpiece 200 in the mold, so that the working efficiency can be improved, the manufacturing cost can be reduced, the production period can be shortened, and the economic benefit can be improved.
The shaping injection mold 100 includes a mold base (not shown), an upper mold component 2 and a lower mold component 3 disposed on the mold base, and the mold base, the upper mold component 2 and the lower mold component 3 cooperate to shape and inject the workpiece 200.
In the present application, lower die assembly 3 is fixedly mounted to the die base and upper die assembly 2 is movable toward lower die assembly 3 in a first direction Z1 or away from lower die assembly 3 in a second direction Z2 opposite first direction Z1. Upper die assembly 2 is moved in first direction Z1 adjacent to lower die assembly 3 and is clamped against lower die assembly 3 to reshape and inject workpiece 200.
In other embodiments, it is also possible that upper die assembly 2 is fixedly mounted to the die base and lower die assembly 3 is movable in second direction Z2 toward upper die assembly 2 or in first direction Z1 away from upper die assembly 2.
Further description will be given below by way of example of a mold base to which the mold assembly 3 is fixedly attached, and the upper mold assembly 2 is movable toward the lower mold assembly 3 in a first direction Z1 or away from the lower mold assembly 3 in a second direction Z2 opposite to the first direction Z1.
The overmold 100 also includes a second drive (not shown). The output end of the second driving member is connected to the upper mold assembly 2, and the second driving member can drive the upper mold assembly 2 to move along the first direction Z1 or the second direction Z2, so that the upper mold assembly 2 moves closer to the lower mold assembly 3 along the first direction Z1 or moves away from the lower mold assembly 3 along the second direction Z2.
In an embodiment, the second drive member includes, but is not limited to, any one of a pneumatic cylinder, a hydraulic cylinder, and an electric push rod.
As shown in fig. 1 and 4, the upper die assembly 2 includes an upper die base 21, a first moving member 22, and a first driving member 23. Upper die base 21 is coupled to a second drive that drives upper die base 21 in a first direction Z1 toward lower die assembly 3 or in a second direction Z2 away from lower die assembly 3. The first driving member 23 is disposed on the upper mold base 21, the first driving member 23 is connected to the first moving member 22, and the first driving member 23 can drive the first moving member 22 to move along the first direction Z1 and the second direction Z2.
In one embodiment, the first drive member 23 includes, but is not limited to, any one of a pneumatic cylinder, a hydraulic cylinder, and an electric push rod.
The first moving member 22 is driven by the first driving member 23 to protrude from the upper die base 21 or retract into the upper die base 21 in the first direction Z1.
The lower die assembly 3 includes a lower die base 31, a second moving member 32, and two third moving members 33. The lower mold base 31 is provided on the mold base, the second moving member 32 is provided on the lower mold base 31 movably in the third direction X1 or the fourth direction X2 opposite to the third direction X1, the two third moving members 33 are provided on the lower mold base 31 at intervals in the third direction X1, and the two third moving members 33 are also provided on the lower mold base 31 movably in the third direction X1 or the fourth direction X2 opposite to the third direction X1.
The area between the two third moving parts 33 forms a shaping chamber 34, and the workpiece 200 and the second moving part 32 are disposed in the shaping chamber 34. The second moving member 32 is disposed in the shaping chamber 34 and is driven by the first moving member 22 to move in the third direction X1 or the fourth direction X2 to act on the workpiece 200 and shape the workpiece 200.
In an embodiment, the lower mold assembly 3 further includes a third driving member (not shown) connecting the lower mold base 31 and the third moving member 33, the third driving member being used for driving the third moving member 33 to move along the third direction X1 or the fourth direction X2. When the upper die assembly 2 and the lower die assembly 3 are closed, the third driving part drives the two third moving parts 33 to move close to each other until the workpiece 200 is partially or completely surrounded, so that the injection molding process can be carried out.
In an embodiment, the third drive member includes, but is not limited to, any one of a pneumatic cylinder, a hydraulic cylinder, and an electric push rod.
As shown in fig. 4, 5 and 6, the end of the first moving member 22 is provided with a first inclined surface 221, and the second moving member 32 is provided with a second inclined surface 321 corresponding to the first inclined surface 221. When the first moving member 22 moves close to the lower mold assembly 3, the first inclined surface 221 can abut against the second inclined surface 321, so that the first moving member 22 drives the second moving member 32 to move along the third direction X1 or the fourth direction X2, so as to shape the workpiece 200.
In one embodiment, the end of the first moving member 22 has two first inclined surfaces 221, and the two first inclined surfaces 221 are opposite to each other along the third direction X1. The lower mold assembly 3 includes two second moving parts 32, the two second moving parts 32 are opposite to each other along the third direction X1, each second moving part 32 is provided with a second inclined surface 321, the second inclined surfaces 321 on the two second moving parts 32 are opposite to each other along the third direction X1, and each second inclined surface 321 corresponds to one first inclined surface 221. When the first moving part 22 moves close to the lower die assembly 3, one first inclined surface 221 of the first moving part 22 acts on one second inclined surface 321, and the other first inclined surface 221 acts on the other second inclined surface 321, so that the first moving part 22 simultaneously drives the two second moving parts 32 to move towards directions away from each other to shape the workpiece 200.
Specifically, one second moving member 32 moves along the third direction X1, the other second moving member 32 moves along the fourth direction X2, the two second moving members 32 respectively act on two frames of the workpiece 200 opposite to each other along the third direction X1, one second moving member 32 shapes one of the frames toward the third direction X1, and the other second moving member 32 shapes the other frame toward the fourth direction X2.
Referring to fig. 1, 5 and 6, in an embodiment, the lower die assembly 3 further includes a positioning element 36, the positioning element 36 is disposed on the lower die base 31, and the positioning element 36 is used for abutting against the workpiece 200 to limit the position of the workpiece 200 on the lower die base 31.
In one embodiment, the positioning element 36 is provided in plurality, one part of the positioning element 36 is disposed at one end of the workpiece 200 along the third direction X1, the other part of the workpiece 200 is disposed at the other end of the workpiece 200 along the third direction X1, and the two parts of the workpiece 200 cooperate to position the workpiece 200 on the lower die base 31.
In the embodiment of the present application, the number of the positioning elements 36 is four, two of the positioning elements 36 are disposed at one end of the workpiece 200 along the third direction X1 at intervals, the other two positioning elements 36 are disposed at the other end of the workpiece 200 along the third direction X1 at intervals, and all four workpieces 200 abut against the frame of the workpiece 200 to limit the workpiece 200. Preferably, the two positioning members 36 located on the same side of the workpiece 200 are respectively close to two end portions of the workpiece 200, and the second moving member 32 is located between the two positioning members 36.
In other embodiments, the number of the positioning members 36 may be three, five or more, and the number of the positioning members 36 is not particularly limited in the present application.
In one embodiment, lower die assembly 3 further includes a controller (not shown) and an inductor 35.
The sensor 35 is provided on the lower mold base 31, and the sensor 35 is used for detecting whether the first moving member 22 moves to the target position. Specifically, the sensor 35 is disposed between the two second moving parts 32, and a sensing area of the sensor 35 faces upward and is opposite to the first moving part 22. When the first moving member 22 moves close to the lower die assembly 3, the end of the first moving member 22 enters the sensing area of the sensor 35, and the sensor 35 can detect the position of the first moving member 22 relative to the lower die assembly 3.
The controller is arranged on the lower die base 31, the controller is electrically connected with the sensor 35 and the first driving member 23, and the controller can control the first driving member 23 to act according to the information detected by the sensor 35. For example, when the first moving member 22 moves close to the lower die assembly 3, the first moving member 22 drives the second moving member 32 to move, and when the sensor 35 detects that the first moving member 22 moves to the target position, which indicates that the shaping of the workpiece 200 by the second moving member 32 is completed at this time, the controller controls the first driving member 23 to stop moving and to remove the driving force to the first moving member 22, and at this time, the first moving member 22 stops moving along the first direction Z1, so as to prevent the first moving member 22 from driving the second moving member 32 to excessively shape the workpiece 200, thereby making the size of the workpiece 200 inconsistent with the requirements.
In one embodiment, the lower mold base 31 is provided with a slide groove 38 along the third direction X1, and the second moving member 32 is slidably provided in the slide groove 38. When the first moving part 22 drives the second moving part 32 to move, the sliding groove 38 can guide the second moving part 32 to move, and the moving precision and stability of the second moving part 32 are improved.
As shown in fig. 6, in one embodiment, the lower mold assembly 3 further includes an elastic member 37, and the elastic member 37 connects the lower mold base 31 and the second moving member 32. The elastic member 37 is used to generate an elastic force in the third direction X1 or the fourth direction X2 between the lower mold base 31 and the second moving member 32 to return the second moving member 32. When the first moving member 22 moves to the target position and the control area controls the first driving element 23 to release the driving force applied to the first moving member 22, the restoring force of the elastic element 37 applied to the second moving member 32 can cause the second moving member 32 to drive the first moving member 22 to move along the second direction Z2 until the second moving member 32 returns to the initial position.
If the first driving member 23 is an air cylinder, specifically, when the first moving member 22 moves to the target position, the air outlet valve of the air cylinder is opened, the air cylinder loses the driving force for the first moving member 22, the first moving member 22 loses the driving force for the second moving member 32, and the second moving member 32 can drive the first moving member 22 to move along the second direction Z2 under the action of the elastic member 37.
In one embodiment, the second moving member 32 is provided with a guide groove 322, the guide groove 322 has an opening facing the lower mold base 31, and at least a part of the elastic member 37 is provided in the guide groove 322. One end of the elastic member 37 is connected to the bottom wall of the guide groove 322, and the other end of the elastic member 37 is connected to the lower mold base 31.
Alternatively, the opening of the guide groove 322 is directed toward the lower die base 31 in the third direction X1 or the fourth direction X2.
In the embodiment of the present application, the number of the elastic members 37 is two, one elastic member 37 is at least partially disposed in the guide groove 322 of one second moving member 32, and the other elastic member 37 is at least partially disposed in the guide groove 322 of the other second moving member 32. The guide grooves 322 of the two second moving members 32 are opened in opposite directions, and the two elastic members 37 can move the two second moving members 32 toward each other to be reset.
In one embodiment, the resilient member 37 is a compression spring.
The plastic injection molding process of the plastic injection mold 100 is as follows:
placing the workpiece 200 in the shaping chamber 34, and positioning using the positioning member 36;
the second drive member drives upper die assembly 2 to move closer to lower die assembly 3 in first direction Z1;
the first driving member 23 drives the first moving member 22 to move close to the lower die assembly 3 along the first direction Z1, the first moving member 22 drives the two second moving members 32 to move along the third direction X1 and the fourth direction X2, the two second moving members 32 reshape the workpiece 200, and when the sensor 35 detects that the first moving member 22 reaches a predetermined position, the reshaping is finished;
the first driving member 23 removes the driving force to the first moving member 22;
the two second moving parts 32 are reset under the action of the elastic part 37;
and (3) closing the upper die assembly 2 and the lower die assembly 3, and performing injection molding.
In addition, other changes may be made by those skilled in the art within the spirit of the present application, and it is understood that such changes are encompassed within the scope of the present disclosure.
Claims (10)
1. A plastic injection mold is used for shaping and injecting a workpiece and comprises a mold base body, an upper mold component and a lower mold component which are arranged on the mold base body, wherein the mold base body, the upper mold component and the lower mold component are used for injecting the workpiece,
the upper die assembly comprises an upper die base body and a first moving piece, the first moving piece is movably arranged on the upper die base body along a first direction or a second direction opposite to the first direction, and a first inclined surface is arranged at the end part of the first moving piece;
the lower die assembly comprises a lower die base body and a second moving member, the second moving member is movably arranged on the lower die base body along a third direction or a fourth direction opposite to the third direction, and is provided with a second inclined surface matched with the first inclined surface, so that the first moving member drives the second moving member to move along the third direction or the fourth direction to shape the workpiece.
2. The plastic injection mold of claim 1, wherein the upper mold assembly further comprises a first driving member disposed on the upper mold base, an output end of the first driving member being connected to the first moving member.
3. The shaping injection mold according to claim 1,
the number of the second moving parts is two, and the two second moving parts are arranged at intervals along the third direction;
the first moving piece is provided with two first inclined planes, and the two first inclined planes respectively correspond to the two second moving pieces.
4. The plastic injection mold of claim 1, wherein the lower mold assembly further comprises a positioning member disposed on the lower mold base, the positioning member configured to abut the workpiece to limit the position of the workpiece on the lower mold base.
5. The orthopedic injection mold of claim 2, wherein the lower mold assembly further comprises:
the inductor is arranged on the lower die base body and used for detecting whether the first moving part moves to a target position or not;
the controller is arranged on the lower die base body, the controller is electrically connected with the inductor and the first driving piece, and the controller can control the first driving piece to act according to the information detected by the inductor.
6. The plastic injection mold of claim 1, wherein the lower mold assembly further comprises two third moving parts spaced apart in the third direction, an area between the two third moving parts forming a plastic chamber, the workpiece and the second moving part being disposed in the plastic chamber.
7. The plastic injection mold as claimed in claim 1, wherein the lower mold assembly further comprises an elastic member connecting the lower mold base and the second moving member, the elastic member for generating an elastic force in the third direction or the fourth direction between the lower mold base and the second moving member to restore the second moving member.
8. The plastic injection mold according to claim 7, wherein the second moving member is provided with a guide groove, and the elastic member has one end extending into the guide groove and acting on the second moving member and the other end acting on the lower mold base.
9. The plastic injection mold of claim 1, further comprising a second drive member having an output end coupled to the upper mold assembly and capable of moving the upper mold assembly in the first direction toward the lower mold assembly or in the second direction away from the lower mold assembly.
10. The plastic injection mold according to claim 1, wherein the lower mold base is provided with a slide groove in the third direction, and the second moving member is slidably provided to the slide groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123064628.2U CN216760631U (en) | 2021-12-08 | 2021-12-08 | Plastic injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123064628.2U CN216760631U (en) | 2021-12-08 | 2021-12-08 | Plastic injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216760631U true CN216760631U (en) | 2022-06-17 |
Family
ID=81964167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123064628.2U Active CN216760631U (en) | 2021-12-08 | 2021-12-08 | Plastic injection mold |
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| Country | Link |
|---|---|
| CN (1) | CN216760631U (en) |
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2021
- 2021-12-08 CN CN202123064628.2U patent/CN216760631U/en active Active
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Address after: 518109 Foxconn H5 plant 101, No. 2, Donghuan 2nd Road, Fukang community, Longhua street, Longhua District, Shenzhen, Guangdong Province; plant 5, building C09, 4th floor, building C07, 2nd floor, building C08, 3rd floor, 4th floor, building C04, zone B, Foxconn Hongguan science and Technology Park, Fucheng Dasan community, Guanlan street, Guangdong Province Patentee after: Fulian Yuzhan Technology (Shenzhen) Co.,Ltd. Address before: 518109 Guangzhou Guanlan Foxconn Hongguan Science Park B workshop 5 C09 buildings 4 floors, C07 buildings 2 floors, C08 buildings 3 floors 4 floors, C04 buildings 1 floors Patentee before: SHENZHENSHI YUZHAN PRECISION TECHNOLOGY Co.,Ltd. |