CN207255711U - Fixture and Workpiece machining apparatus - Google Patents
Fixture and Workpiece machining apparatus Download PDFInfo
- Publication number
- CN207255711U CN207255711U CN201720994029.5U CN201720994029U CN207255711U CN 207255711 U CN207255711 U CN 207255711U CN 201720994029 U CN201720994029 U CN 201720994029U CN 207255711 U CN207255711 U CN 207255711U
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- workpiece
- flip body
- location hole
- shaft
- positioning pin
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Abstract
Machine tooling technical field is the utility model is related to, more particularly, to a kind of fixture and Workpiece machining apparatus.Fixture, including stent, flip body and fixed part；Stent is connected with flip body by shaft, and stent is provided with positioning pin；The one side of flip body and the axis perpendicular of shaft is provided with the first location hole and the second location hole, wherein, in side, angle formed by the line at the center of the line and the second location hole at the center of the first location hole and the center of shaft and the center of shaft is the first inclination angle；Flip body is provided with the first placed side and the second placed side for placing workpiece, and formed angle is the second inclination angle between the first placed side and the second placed side, and the sum of the first inclination angle and the second inclination angle are 180 °；Fixed part is connected with flip body, for workpiece pressing.The utility model can realize rapid translating and the accurate positionin to the first machined surface and the second machined surface of workpiece, improve processing efficiency and machining accuracy.
Description
Technical field
Machine tooling technical field is the utility model is related to, more particularly, to a kind of fixture and Workpiece machining apparatus.
Background technology
It is to realize relevant shape between the processing dimensions of part requirements, different processing dimension in machine tooling that frock, fixture, which are,
The instrument or equipment that the requirements such as position tolerance make.
At present, machine tooling product is typically to clamp workpiece with fixture, the first machined surface of workpiece is processed, then
Again workpiece is clamped, the second machined surface of workpiece is processed, this mode frequently dismounted to workpiece, needs
It is repeatedly levelling, cause processing efficiency than relatively low, and also reduce machining accuracy.
Utility model content
The purpose of this utility model is to provide a kind of fixture, to solve to carry out work pieces process presence using existing fixture
Processing efficiency is low, technical problem that machining accuracy is poor.
The purpose of this utility model, which also resides in, provides a kind of Workpiece machining apparatus, is deposited with solving existing Workpiece machining apparatus
Processing efficiency is low, technical problem that machining accuracy is poor.
Based on above-mentioned first purpose, the utility model provides a kind of fixture, including stent, flip body and fixed part；Institute
State stent to be connected by shaft with the flip body, the stent is provided with positioning pin；The flip body and the axis of the shaft
The perpendicular one side of line is provided with the first location hole and the second location hole, wherein, in the side, first location hole
Center and the shaft the line at center and the center of second location hole and the shaft center line institute into
Angle be the first inclination angle；The flip body can be rotated relative to axis of the stent around the shaft, so that the positioning
Pin is inserted into first location hole, or the positioning pin is inserted into second location hole；The flip body
The first placed side and the second placed side for placing workpiece are provided with, between first placed side and second placed side
Formed angle is the second inclination angle, and the sum of first inclination angle and second inclination angle are 180 °；The fixed part and the upset
Body connects, and for compressing the workpiece, so that the first machined surface of the workpiece fits with first placed side, and makes institute
The second machined surface and second placed side for stating workpiece fit.
Further, handle is further included, one end and the stent of the handle are hinged, and the handle is provided with sliding slot；It is described
Positioning pin is hinged with the handle by articulated shaft, and the articulated shaft is located in the sliding slot, and the articulated shaft can be along institute
The length direction for stating sliding slot moves back and forth.
Further, guide is further included, the guide is sheathed on the outside of the positioning pin, and the guide and the branch
Frame is fixedly connected.
Further, the set pin sleeve is equipped with spring, and the spring is located at the inside of the guide, and the guide is set
There is the first limit protrusion, the positioning pin is provided with the second limit protrusion, one end of the spring and first limit protrusion
Abut, the other end of the spring is abutted with second limit protrusion.
Further, the fixed part includes pressing plate and fastening bolt, and the pressing plate is provided with to be worn for the fastening bolt
The through hole crossed, the fastening bolt are threadedly coupled with the flip body, and the pressing plate can be abutted with the outer surface of the workpiece.
Further, the fastening bolt is arranged with buffer spring, and one end of the buffer spring is abutted with the pressing plate,
The other end of the buffer spring is abutted with the flip body.
Further, first location hole and second location hole are bellmouth.
Further, the angle at first inclination angle and the angle at second inclination angle are 90 °.
Further, the flip body is provided with fabrication hole.
Based on above-mentioned second purpose, the utility model additionally provides a kind of Workpiece machining apparatus, including the fixture.
Compared with prior art, the beneficial effects of the utility model are：
Fixture provided by the utility model, including stent, flip body and fixed part；The stent passes through with the flip body
Shaft connects, and the stent is provided with positioning pin；The one side of the flip body and the axis perpendicular of the shaft is provided with
First location hole and the second location hole, wherein, in the side, the center of first location hole and the center of the shaft
Line and second location hole center and the shaft center line formed by angle be the first inclination angle；The upset
Body can be rotated relative to axis of the stent around the shaft, so that the positioning pin is inserted into first location hole
In, or the positioning pin is inserted into second location hole；The flip body be provided with for place workpiece first
Placed side and the second placed side, formed angle is the second inclination angle between first placed side and second placed side, described
The sum of first inclination angle and second inclination angle are 180 °；The fixed part is used to compress the workpiece, so that the of the workpiece
One machined surface fits with first placed side, and is affixed the second machined surface of the workpiece and second placed side
Close.Fixture provided by the utility model, by setting flip body and positioning pin, can realize the first machined surface to workpiece and
The rapid translating of two machined surfaces and accurate positionin, improve processing efficiency and machining accuracy.When in use, using fixed part by work
Part compresses so that the first machined surface of workpiece fits with the first placed side, and places the second machined surface of workpiece and second
Face fits, and positioning pin is inserted into the first location hole, carries out the processing such as drill to the first machined surface, after completion of processing, will be positioned
Pin is extracted, and flip body rotates around the shaft so that the second location hole is directed at positioning pin, and positioning pin is inserted into the second location hole, right
Second machined surface carries out the processing such as drill.
Workpiece machining apparatus provided by the utility model, due to the use of fixture provided by the utility model, can realize
Rapid translating and accurate positionin to the first machined surface and the second machined surface of workpiece, improve processing efficiency and machining accuracy.
Brief description of the drawings
, below will be right in order to illustrate more clearly of the utility model embodiment or technical solution of the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, describe below
In attached drawing be the utility model some embodiments, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other attached drawings can also be obtained according to these attached drawings.
Fig. 1 is backsight structural representation of the fixture in the first working position of the offer of the utility model embodiment one；
Fig. 2 is right side structural representation of the fixture in the first working position of the offer of the utility model embodiment one；
Fig. 3 is main structure diagram of the fixture in the second working position of the offer of the utility model embodiment one；
Fig. 4 is left view structural representation of the fixture in the second working position of the offer of the utility model embodiment one；
Fig. 5 is the structure diagram for the Workpiece machining apparatus that the utility model embodiment two provides.
Icon：101- flip bodies；102- bases；The first risers of 103-；The second risers of 104-；105- first rotating shafts；106-
Second shaft；107- clutch shaft bearings；108- second bearings；110- positioning pins；The first location holes of 111-；The second location holes of 112-；
The first machined surfaces of 113-；The second machined surfaces of 114-；115- handles；116- struts；117- ball bumps；118- sliding slots；119-
Articulated shaft；120- guidees；The first limit protrusions of 121-；The second limit protrusions of 122-；123- springs；The first pressing plates of 124-；125-
First fastening bolt；The second pressing plates of 127-；The second fastening bolts of 128-；130- thickness face；The first positioning sleeves of 131-；132- techniques
Hole；133- milling cutters.
Embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model part of the embodiment, instead of all the embodiments.Based on the embodiment in the utility model, sheet
Field those of ordinary skill all other embodiments obtained without making creative work, belong to this practicality
Novel protected scope.
, it is necessary to explanation in the description of the utility model, such as occur term " " center ", " on ", " under ", " left side ",
" right side ", " vertical ", " level ", " interior ", " outer " etc., its orientation indicated or position relationship are based on orientation shown in the drawings or position
Relation is put, description the utility model is for only for ease of and simplifies description, rather than indicate or imply signified device or element
There must be specific orientation, with specific azimuth configuration and operation, therefore it is not intended that limitation to the utility model.This
Outside, such as there is term " first ", " second ", " the 3rd " are only used for description purpose, and it is not intended that instruction or implying relatively heavy
The property wanted.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term such as occurs in the description of the utility model
" installation ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or one
Connect body；Can mechanically connect or be electrically connected；It can be directly connected, can also be indirect by intermediary
It is connected, can is the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition
State concrete meaning of the term in the utility model.
Embodiment one
Fig. 1 is backsight structural representation of the fixture in the first working position of the offer of the utility model embodiment one；Fig. 2 is this
Right side structural representation of the fixture that utility model embodiment one provides in the first working position；Fig. 3 is the utility model embodiment
Main structure diagram of one fixture provided in the second working position；Fig. 4 is that the fixture that the utility model embodiment one provides exists
The left view structural representation of second working position.Referring to shown in Fig. 1 to Fig. 4, present embodiments providing a kind of fixture, including stent,
Flip body 101 and fixed part；Stent is connected with flip body 101 by shaft, preferably, stent is vertical including base 102, first
103 and second riser 104 of plate, the first riser 103 and the second riser 104 are fixedly connected with base 102 respectively, the first riser 103
Plate face and the second riser 104 plate face it is vertical with base 102 respectively, and the plate face of the first riser 103 and the second riser 104
Plate face it is parallel, the quantity of shaft is two, is respectively designated as 105 and second shaft 106 of first rotating shaft, first rotating shaft 105
One end is fixedly connected with flip body 101, and the other end of first rotating shaft 105 is connected with stent by clutch shaft bearing 107, second turn
One end of axis 106 is fixedly connected with flip body 101, and the other end of the second shaft 106 is connected with stent by second bearing 108；
Stent is provided with positioning pin 110, preferably, the first riser 103 is provided with pin hole, positioning pin 110 is arranged in pin hole, and fixed
Position pin 110 can be moved back and forth along the length direction of its own；Flip body 101 and the one side of the axis perpendicular of shaft are set
There are the first location hole 111 and the second location hole 112, which refers to close to the side of the first riser 103, wherein, in the side
It is interior, the company at the center of the line and the second location hole 112 at the center of the first location hole 111 and the center of shaft and the center of shaft
Angle formed by line is the first inclination alpha；Flip body 101 can be rotated relative to the axis of stent around the shaft, so that 110 energy of positioning pin
Enough it is inserted into the first location hole 111, or positioning pin 110 is inserted into the second location hole 112；Flip body 101 is provided with use
In the first placed side and the second placed side of placing workpiece, formed angle is inclined for second between the first placed side and the second placed side
Angle beta, the sum of the first inclination alpha and the second angle of inclination beta are 180 °；Fixed part is connected with flip body 101, for workpiece pressing, so that work
The first machined surface 113 and the first placed side of part fit, and the second machined surface 114 of workpiece is affixed with the second placed side
Close.Fixture provided in this embodiment, by setting flip body 101 and positioning pin 110, can realize the first machined surface to workpiece
113 and second machined surface 114 rapid translating and accurate positionin, improve processing efficiency and machining accuracy.When in use, use
Fixed part compresses workpiece so that the first machined surface 113 and the first placed side of workpiece fit, and make the second of workpiece to process
Face 114 fits with the second placed side, and positioning pin 110 is inserted into the first location hole 111, at this time, shown in Figure 2, at fixture
In the first working position, the processing such as drill is carried out to the first machined surface 113, after completion of processing, positioning pin 110 is extracted, flip body
101 rotate around the shaft so that and the second location hole 112 is directed at positioning pin 110, and positioning pin 110 is inserted into the second location hole 112,
At this time, shown in Figure 4, fixture is in the second working position, and the processing such as drill is carried out to the second machined surface 114.
Preferably, the peripheral surface of flip body 101 is curved surface, it is preferably arc surface, such mode is easy to flip body
101 rotate freely, without encountering base 102.
In the alternative of the present embodiment, handle 115 is further included, one end and the stent of handle 115 are hinged, and handle 115 is set
It is equipped with sliding slot 118；Positioning pin 110 is hinged by articulated shaft 119 with handle 115, and articulated shaft 119 is located in sliding slot 118, and hinged
Axis 119 can be moved back and forth along the length direction of sliding slot 118.
Preferably, one end of handle 115 is hinged by 116 and first riser 103 of strut, specifically, strut 116
Length direction is parallel with the axis of first rotating shaft 105, and one end of strut 116 is fixedly connected with the first riser 103, strut 116
One end of the other end and handle 115 is hinged.Preferably, the other end of handle 115 is provided with ball bumps 117, ball bumps
117 outer surface is also provided with anti-slip rubber layer, and person easy to operation holds handle 115, prevents from skidding, and improves processing
Efficiency and accuracy, while can also be effectively prevented from the accident triggered because skidding error.
In the alternative, the part between one end of positioning pin 110 and the both ends of handle 115 is cut with scissors by articulated shaft 119
Connect, the length direction of sliding slot 118 is parallel with the length direction of handle 115, the axis of articulated shaft 119 and the length side of sliding slot 118
To vertical.
In the alternative of the present embodiment, guide 120 is further included, guide 120 is sheathed on the outside of positioning pin 110, and sells
Set 120 is fixedly connected with stent.
Preferably, guide 120 is arranged in pin hole, and guide 120 is fixedly connected with the first riser 103, positioning pin
110 can move back and forth along the length direction of guide 120.
Shown in Figure 1 in the alternative of the present embodiment, positioning pin 110 is arranged with spring 123, and spring 123 is located at
The inside of guide 120, guide 120 are provided with the first limit protrusion 121, and positioning pin 110 is provided with the second limit protrusion 122, bullet
One end of spring 123 is abutted with the first limit protrusion 121, and the other end of spring 123 is abutted with the second limit protrusion 122.
By taking positioning pin 110 is located in the first location hole 111 as an example, when in use, pull handle 115, positioning pin 110 to
Direction away from the first location hole 111 is moved, and spring 123 is in compressive state；Flip body 101 rotates so that the second location hole
112 alignment positioning pins 110, release handle 115, positioning pin 110 are rapidly inserted into the second positioning under the elastic force effect of spring 123
Hole 112, realizes the fast and accurately positioning of flip body 101.
In the alternative of the present embodiment, fixed part includes pressing plate and fastening bolt, and pressing plate is provided with to be worn for fastening bolt
The through hole crossed, fastening bolt are threadedly coupled with flip body 101, and pressing plate can be abutted with the outer surface of workpiece.
Preferably, the quantity of fixed part is two, two fixed parts are respectively designated as the first fixed part and second and fix
Portion, wherein, the first fixed part is used for the one end for fixing workpiece, and the second fixed part is used for the other end for fixing workpiece.Preferably,
First fixed part includes the first pressing plate 124 and the first fastening bolt 125, and the first pressing plate 124 is provided with first through hole, and first is tight
Fixing bolt 125 passes through first through hole, is threadedly coupled with flip body 101, so that the thickness of the lower surface of the first pressing plate 124 and workpiece
Degree face 130 fits.
Preferably, the second fixed part includes the second pressing plate 127 and two the second fastening bolts 128, the second pressing plate 127
Two the second through holes are provided with, the second fastening bolt 128 passes through the second through hole, is threadedly coupled with flip body 101, so that workpiece
Lower surface and the radial surface of flip body 101 fit, wherein, workpiece is between two the second fastening bolts 128.
In the alternative of the present embodiment, fastening bolt is arranged with buffer spring, and one end of buffer spring is abutted with pressing plate,
The other end of buffer spring is abutted with flip body 101.
Preferably, the first fastening bolt 125 is arranged with the first buffer spring, one end of the first buffer spring and the first pressure
Plate 124 abuts, and the other end of the first buffer spring is abutted with flip body 101, and such mode can effectively protect workpiece,
When tightening the first fastening bolt 125, the elastic force effect of the first buffer spring can prevent that the first pressing plate 124 is direct to workpiece
Apply larger pressure, avoid pressing plate from causing to damage to the surface of workpiece.In addition, when unscrewing the first fastening bolt 125, first
The elastic force of buffer spring can drive the pressing plate surface away from workpiece rapidly, consequently facilitating workpiece is taken out, alleviate workload,
Improve processing efficiency.
First buffer spring and the second buffer spring use existing compression spring.
It should be noted that the lower surface of the first pressing plate 124 and the second pressing plate 127 is both provided with anti-slip rubber layer, so
Mode can either prevent workpiece from sliding, ensure processing precision, and workpiece surface can be protected injury-free.
In the alternative of the present embodiment, the first location hole 111 and the second location hole 112 are bellmouth.
Preferably, the cross-sectional area of the first location hole 111 by the appearance of flip body 101 towards the inside of flip body 101
It is gradually reduced, the shape of the other end of positioning pin 110 is matched round table-like with bellmouth, and such mode can reduce fixed
Gap between 110 and first location hole 111 of pin of position, it is achieved thereby that being accurately positioned to flip body 101, further improves
To the machining accuracy of workpiece.In addition, such mode also allows for the insertion and extraction of positioning pin 110.
Preferably, the first location hole 111 is internally provided with the first positioning sleeve 131, the outer surface of the first positioning sleeve 131
It is fixedly connected with flip body 101, the outer surface of the other end of positioning pin 110 is engaged with the inner surface of the first positioning sleeve 131, this
The mode of sample can reduce the gap between the inner surface of 110 and first positioning sleeve 131 of positioning pin, it is achieved thereby that to flip body
101 be accurately positioned, further increases the machining accuracy to workpiece.In addition, such mode also allows for inserting for positioning pin 110
Enter and extract.
The shape and structure of second location hole 112 are identical with the first location hole 111, and the present embodiment repeats no more.
In the alternative of the present embodiment, the angle at the first inclination angle and the angle at the second inclination angle are 90 °.
Fixture provided in this embodiment, suitable for the perpendicular workpiece of the first machined surface 113 and the second machined surface 114 into
Row processing.
It should be noted that the angle of the first inclination alpha and the angle of the second angle of inclination beta are not only limited to one of the above, also may be used
According to actual processing, freely to choose other angles, wherein, the angle of the second angle of inclination beta and the first machined surface 113 of workpiece
With the second machined surface 114 formed by angle angle it is identical, to realize the processing to different workpieces.
In the alternative of the present embodiment, flip body 101 is provided with fabrication hole 132.
By setting fabrication hole 132 on flip body 101, the position of centre of gravity of flip body 101 can be adjusted, realizes flip body
101 automatic rotations under the effect of gravity, to realize the rapid translating of the first machined surface 113 and the second machined surface 114, improve
Processing efficiency.
Embodiment two
Fig. 5 is the structure diagram for the Workpiece machining apparatus that the utility model embodiment two provides.It is shown in Figure 5,
Present embodiments provide a kind of Workpiece machining apparatus, including the fixture that the utility model embodiment one provides.
Workpiece machining apparatus provided in this embodiment, the fixture provided due to the use of the utility model embodiment one, energy
Enough rapid translating and accurate positionins realized to the first machined surface 113 and the second machined surface 114 of workpiece, improve processing efficiency
And machining accuracy.
Shown in Figure 5, Workpiece machining apparatus provided in this embodiment, further includes milling machine, wherein, milling cutter 133 is positioned at folder
The top of tool, is processed the first machined surface 113 or the second machined surface 114 of workpiece.
Finally it should be noted that：Various embodiments above is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the utility model is described in detail with reference to foregoing embodiments, those of ordinary skill in the art should
Understand：It can still modify the technical solution described in foregoing embodiments, either to which part or whole
Technical characteristic carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly
The scope of each embodiment technical solution of type.
Claims (10)
- A kind of 1. fixture, it is characterised in that：Including stent, flip body and fixed part；The stent is with the flip body by turning Axis connection, the stent are provided with positioning pin；The one side of the axis perpendicular of the flip body and the shaft is provided with the A positioning hole and the second location hole, wherein, in the side, the center of first location hole and the center of the shaft Angle formed by the line at the center at the center and the shaft of line and second location hole is the first inclination angle；The flip body It can be rotated relative to axis of the stent around the shaft, so that the positioning pin is inserted into first location hole In, or the positioning pin is inserted into second location hole；The flip body be provided with for place workpiece first Placed side and the second placed side, formed angle is the second inclination angle between first placed side and second placed side, described The sum of first inclination angle and second inclination angle are 180 °；The fixed part is connected with the flip body, for compressing the workpiece, So that the first machined surface of the workpiece fits with first placed side, and make the second machined surface of the workpiece with it is described Second placed side fits.
- 2. fixture according to claim 1, it is characterised in that：Handle is further included, one end and the stent of the handle are hinged, The handle is provided with sliding slot；The positioning pin is hinged with the handle by articulated shaft, and the articulated shaft is located at the sliding slot In, and the articulated shaft can be moved back and forth along the length direction of the sliding slot.
- 3. fixture according to claim 2, it is characterised in that：Guide is further included, the guide is sheathed on the positioning pin Outside, and the guide is fixedly connected with the stent.
- 4. fixture according to claim 3, it is characterised in that：The set pin sleeve is equipped with spring, and the spring is located at institute The inside of guide is stated, the guide is provided with the first limit protrusion, and the positioning pin is provided with the second limit protrusion, the spring One end abutted with first limit protrusion, the other end of the spring is abutted with second limit protrusion.
- 5. fixture according to claim 1, it is characterised in that：The fixed part includes pressing plate and fastening bolt, the pressure Plate is provided with the through hole passed through for the fastening bolt, and the fastening bolt is threadedly coupled with the flip body, the pressing plate energy It is enough to be abutted with the outer surface of the workpiece.
- 6. fixture according to claim 5, it is characterised in that：The fastening bolt is arranged with buffer spring, the buffering One end of spring is abutted with the pressing plate, and the other end of the buffer spring is abutted with the flip body.
- 7. fixture according to any one of claim 1 to 6, it is characterised in that：First location hole and described second Location hole is bellmouth.
- 8. fixture according to claim 7, it is characterised in that：The angle at first inclination angle and the angle at second inclination angle Degree is 90 °.
- 9. fixture according to any one of claim 1 to 6, it is characterised in that：The flip body is provided with fabrication hole.
- A kind of 10. Workpiece machining apparatus, it is characterised in that：Including fixture as claimed in any one of claims 1-9 wherein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720994029.5U CN207255711U (en) | 2017-08-10 | 2017-08-10 | Fixture and Workpiece machining apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720994029.5U CN207255711U (en) | 2017-08-10 | 2017-08-10 | Fixture and Workpiece machining apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207255711U true CN207255711U (en) | 2018-04-20 |
Family
ID=61924923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720994029.5U Expired - Fee Related CN207255711U (en) | 2017-08-10 | 2017-08-10 | Fixture and Workpiece machining apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207255711U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111715760A (en) * | 2020-06-29 | 2020-09-29 | 安徽福瑞尔铝业科技有限公司 | Marble aluminum veneer shaping and stamping mechanism and process |
-
2017
- 2017-08-10 CN CN201720994029.5U patent/CN207255711U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111715760A (en) * | 2020-06-29 | 2020-09-29 | 安徽福瑞尔铝业科技有限公司 | Marble aluminum veneer shaping and stamping mechanism and process |
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Granted publication date: 20180420 Termination date: 20210810 |