CN208542585U - A kind of cast member size detection machine - Google Patents
A kind of cast member size detection machine Download PDFInfo
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- CN208542585U CN208542585U CN201821119371.1U CN201821119371U CN208542585U CN 208542585 U CN208542585 U CN 208542585U CN 201821119371 U CN201821119371 U CN 201821119371U CN 208542585 U CN208542585 U CN 208542585U
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Abstract
The utility model relates to a kind of cast member size detection machines, it is characterised in that: including base, four station conversion devices and detection device；Four station conversion device and detection device are mounted on the base, and the detection device is located at the side of four station conversion device；Four station conversion device includes shaft, turntable, station supporting plate, brace and servo motor；The detection device includes bracket, velocity of sound instrument, CCD camera device, X-axis straight line mould group, Y-axis straight line mould group, Z axis straight line mould group.Product detection efficiency can be improved in the utility model, reduces product testing cost, improves old quality.
Description
Technical field
The utility model belongs to cast member detection technique field, more particularly to a kind of cast member size detection machine.
Background technique
Casting is most common parts machining production method.Cast member is to constitute industrial products essential zero
Part.The product shape and size of cast member are varied.
In the prior art, need to manufacture special detection tool to the outer dimension detection of metal casting product to complete product
Outer dimension detects operation.It has the disadvantage in that
One, detection efficiency is low, and the design and manufacture of special detection tool need to consume the regular hour, to a certain extent
Slow down production detection efficiency；Two, personnel labor intensity is big, and not only the design of detection instrument needs to put into manufacture processing
Artificial energy, and the use of special detection tool and management are also required to consume a large amount of personnel's energy；Three, product quality is unstable
Fixed, the detection method of existing cast member is manually to complete by special detection tool, the operating error during artificial detection
It is difficult to avoid that, to be difficult to ensure the quality of product；Four, special gauge is at high cost, and the design of special detection tool is managed and deposited
It puts and is required to pay certain expenditure, to improve the production cost of product.
Summary of the invention
The utility model aim to solve the problem that cast member detection efficiency is low in the prior art, the technical problems such as at high cost and provide one
Product detection efficiency can be improved in kind, reduces product testing cost, improves the cast member size detection machine of old quality.
The utility model is adopted the technical scheme that solve technical problem present in well-known technique: a kind of cast member
Size detection machine, it is characterised in that: including base, four station conversion devices and detection device；Four station conversion device and
Detection device is mounted on the base, and the detection device is located at the side of four station conversion device；Four station
Conversion equipment includes shaft, turntable, station supporting plate, brace and servo motor, and the axis vertical of the shaft is arranged and passes through axis
Hold and be mounted on the base, the servo motor is mounted on the base, the output shaft of the servo motor with described turn
The lower end of axis couples, and the turntable is fixed on the upper end of the shaft, is justified centered on the axis of the shaft on the turntable
It is distributed four station supporting plates week, several braces for being used to support cast member is installed on the station supporting plate；It is described
Detection device includes bracket, velocity of sound instrument, CCD camera device, X-axis straight line mould group, Y-axis straight line mould group, Z axis straight line mould group, described
Bracket is fixed on the base, and the velocity of sound instrument has the probe for detection, is equipped with cylinder, the spy on the bracket
Head is fixed in the cylinder rod of the cylinder；The CCD camera device includes two longitudinal CCD cameras and three lateral CCD cameras,
The X-axis straight line mould group includes the first X-axis straight line mould group and the second X-axis straight line mould group, and the Y-axis straight line mould group includes the first Y
Axis straight line mould group and the second Y-axis straight line mould group, the Z axis straight line mould group include the first Z axis straight line mould group, the second Z axis straight line mould
Group and third Z axis straight line mould group, the velocity of sound instrument, the first X-axis straight line mould group, the second X-axis straight line mould group, the first Z axis straight line mould
Group is fixedly mounted on the bracket, and the first X-axis straight line mould group has two sliding blocks, the second Z axis straight line mould group and the
Three Z axis straight line Mo Zu are fitted in respectively on two sliding blocks of the first X-axis straight line mould group, the second Z axis straight line mould group and
The longitudinal CCD camera of port straight down, the second X-axis straight line are fitted on the sliding block of three Z axis straight line mould groups respectively
Mould group has two sliding blocks, is equipped with the first Y-axis straight line mould group and the second Y-axis respectively on two sliding blocks of the second X-axis straight line mould group
It is separately installed with port levels on the sliding block of straight line mould group, the first Y-axis straight line mould group and the second Y-axis straight line mould group and is directed toward institute
The lateral CCD camera of turntable is stated, the sliding block of the first Z axis straight line mould group has another cross by L shape erection of frames
To CCD camera.
The utility model can also use following technical measures:
The station supporting plate is equipped with several jacks, and the brace is the column being inserted into the jack.
The bracket includes column, C-shaped closing piece and crossbeam, and the lower end of the column is fixed on the base, the cross
The both ends of beam are fixed on the column by the C-shaped closing piece.
The bracket is equipped with the slot being made of plate body, and the velocity of sound instrument is mounted in the slot.
The top of the base is equipped with upper encloser, and the side of the upper encloser is equipped with grating sensor.
The utility model has the advantages and positive effects of:
One, detection efficiency can be improved.This detection machine compares traditional traditional technology, does not need the shape ruler according to cast member
Very little design and manufacture special inspecting equipment, and full-automatic detection is realized, greatly increase detection efficiency.
Two, personnel labor intensity is reduced.This detection machine high degree of automation, and setting for dedicated test apparatus can be removed from
Meter, manufacture and management, can be effectively reduced the labor intensity of personnel.
Three, product quality is improved.Traditional artificial detection is replaced with automatic equipment, it is possible to prevente effectively from detection error,
Guarantee product quality.
Four, production cost is reduced.This detection machine can be adapted for the size detection of various metals cast member, be not necessarily to root
Manufacture and design various special gauges according to different metal cast member, eliminates the design, management and library of a large amount of special gauges
Expense is deposited, to reduce the production cost of product.
Detailed description of the invention
Fig. 1 is the perspective view of the utility model；
Fig. 2 is the side view of the utility model.
In figure: 1, base；2, four station conversion device；2-1, turntable；2-2, station supporting plate；2-2-1, upper plate；2-2-2,
Lower plate；2-2-3, interpolation slit；2-2-4, plate；2-2-5, guide post；2-2-6, spring is held out against；2-3, brace；2-3-1, annular groove；2-
4, servo motor；3, detection device；3-1, longitudinal CCD camera；3-2, lateral CCD camera；3-3, the first X-axis straight line mould group；3-
4, the second X-axis straight line mould group；3-5, the first Y-axis straight line mould group；3-6, the second Y-axis straight line mould group；3-7, the first Z axis straight line mould
Group；3-8, the second Z axis straight line mould group；3-9, third Z axis straight line mould group；3-10, crossbeam；3-11, velocity of sound instrument；3-12, probe；3-
13, cylinder；3-14, column；3-15, C-shaped closing piece；3-16, pin shaft；3-17, displacement pointer.
Specific embodiment
For the invention, features and effects that can further appreciate that the utility model, the following examples are hereby given, and cooperates
Detailed description are as follows for attached drawing:
Please refer to Fig. 1 and Fig. 2, a kind of cast member size detection machine, including base 1, four station conversion devices 2 and detection dress
Set 3.Four station conversion device 2 and detection device 3 are mounted on the base 1, and the detection device 3 is located at four work
The side of position conversion device 2.Base 1 is the body supports frame in this detection machine.Four station conversion devices 2 are tested for carrying
The metal casting part of survey simultaneously enables metal casting part shift in different station part, include in four station conversion devices 2 and is followed successively by
Expect station, velocity of sound detection station, CCD detection station and discharge station.Detection device 3 is for detecting metal casting part.
Four station conversion device 2 includes shaft, turntable 2-1, station supporting plate 2-2, brace 2-3 and servo motor 2-4.
The axis vertical of the shaft is arranged and is mounted on the base 1 by bearing.The servo motor 2-4 is mounted on the machine
On seat 1, the output shaft of the servo motor couples with the lower end of the shaft.The turntable 2-1 is fixed on the upper of the shaft
End.Using the axis of the shaft as the center circle distribution four station supporting plate 2-2, the station support on the turntable 2-1
Several brace 2-3 for being used to support cast member are installed on plate 2-2.Each station supporting plate 2-2 and it is mounted on it
On brace 2-3 constitute a station.The effect of brace 2-3 is to be used to support detected metal casting part.In the present embodiment,
The station supporting plate 2-2 is equipped with several jacks, and the brace 2-3 is the column being inserted into the jack.
In the present embodiment, for the ease of the positioning of brace 2-3 Fast Installation.The station supporting plate 2-2 include upper plate 2-2-1 and
Lower plate 2-2-2, the upper plate 2-2-1 and lower plate 2-2-2 fix conjunction by fastener, the upper plate 2-2-1 and lower plate 2-2-2
Between there is interpolation slit 2-2-3, several through-holes are offered on the upper plate 2-2-1, the lower plate 2-2-2 is equipped with and the through-hole
Corresponding counterbore, mutual corresponding a pair through-hole and counterbore constitute the jack for installing the brace 2-3.It is described
Plate 2-2-4 is fitted in interpolation slit 2-2-3, the position that the through-hole and counterbore are corresponded on the plate 2-2-4 is equipped with perforation, institute
Stating perforation is the bellmouth that upper end diameter is greater than lower end diameter.The plate 2-2-4 is located at one end on the outside of the station supporting plate
Guide post 2-2-5 is inserted, the medial end of the guide post 2-2-5 is fixedly mounted on the station supporting plate 2-2, the guide post 2-2-
Suit holds out against spring 2-2-6 on 5.The column of the brace 2-3 is equipped with annular groove 2-3-1, under the annular groove 2-3-1
Side is lozenges.
To plate 2-2-4 application pressure, the perforation of plate 2-2-4 and through-hole and counterbore generate dislocation, wear the above-mentioned bullet that holds out against
The diameter for being less than brace 2-3 by diameter behind hole and through-hole dislocation, the maximum open of perforation and being greater than by diameter for through-hole
The diameter of brace 2-3.
Brace 2-3 can pass through plate 2-2-4 and be inserted into station supporting plate by the inner peripheral surface guiding role of bellmouth
In the jack of 2-2, plate 2-2-4 realizes that reliable hold out against positions brace 2-3 by holding out against the pressure of spring 2-2-6.Plate 2-2-4
The lozenges on brace 2-3 is acted on, brace 2-3 is enabled reliably to contradict counterbore bottom surface, accurate positioning.
The detection device 3 include bracket, velocity of sound instrument 3-11, CCD camera device, X-axis straight line mould group, Y-axis straight line mould group,
Z axis straight line mould group.X-axis straight line mould group, Y-axis straight line mould group, Z axis straight line Mo Zu are represented respectively with moving along tri- axis of X, Y, Z
The straight line mould group of sliding block, and X, Y-axis in the horizontal direction and are mutually perpendicular to, Z axis is vertical direction.
The bracket is fixed on the base 1, and the velocity of sound instrument 3-11 has the probe 3-12 for detection, the branch
Cylinder 3-13 is installed, the probe 3-12 is fixed in the cylinder rod of the cylinder 3-13 on frame.
The CCD camera device (charge-coupled device charge coupled device) includes two longitudinal CCD cameras
3-1 and three lateral CCD camera 3-2.CCD camera device is adopted for realizing the image of the outer profile to different metal cast member
Collection.The top of this detection machine is furnished with display, for showing CCD camera Image Results collected.
The X-axis straight line mould group includes the first X-axis straight line mould group 3-3 and the second X-axis straight line mould group 3-4.The Y-axis straight line
Mould group includes the first Y-axis straight line mould group 3-5 and the second Y-axis straight line mould group 3-6.The Z axis straight line mould group includes the first Z axis straight line
Mould group 3-7, the second Z axis straight line mould group 3-8 and third Z axis straight line mould group 3-9.
The velocity of sound instrument 3-11, the first X-axis straight line mould group 3-3, the second X-axis straight line mould group 3-4, the first Z axis straight line mould group
3-7 is fixedly mounted on the bracket.First X-axis straight line mould group 3-3 is set to the top of the second X-axis straight line mould group 3-4.This implementation
In example, the bracket includes column 3-14, C-shaped closing piece 3-15 and crossbeam 3-10, and the lower end of the column 3-14 is fixed on described
On base 1, the both ends of the crossbeam 3-10 are fixed on the column 3-14 by the C-shaped closing piece 3-15.First X-axis straight line
Mould group 3-3 and the first Z axis straight line mould group 3-7 are fixed on crossbeam 3-10.
In the present embodiment, it is hinged with pin shaft 3-16 on the upper surface of C-shaped closing piece 3-15, there is rubber on the pin shaft 3-16
Layer, the outer peripheral surface of the rubber layer protrude the medial surface of C-shaped closing piece 3-15, displacement pointer 3- are fixed on the pin shaft 3-16
17, the free end of the displacement pointer 3-17 is on C-shaped closing piece 3-15 far from a side of the pin shaft 3-6.C-shaped closing piece 3-
After 15 are fixed on conjunction on column 3-14 by fastener, the rubber layer of pin shaft 3-16 tightly squeezes the appearance of column 3-14
Face, at the beginning of C-shaped closing piece 3-15 fails, C-shaped closing piece 3-15 generates downwards micro-displacement with respect to column 3-14, and small displacement passes through
Pin shaft 3-16 is converted into the swing by a relatively large margin of the displacement free end pointer 3-17, this structure is small to C-shaped closing piece 3-15's
Displacement have amplification, enable plant maintenance personnel more intuitively significantly notice status of equipment, can timely maintenance down, guarantor
Card detection quality.
The first X-axis straight line mould group 3-3 has two sliding blocks, the second Z axis straight line mould group 3-8 and third Z axis straight line
Mould group 3-9 is fitted respectively on two sliding blocks of the first X-axis straight line mould group 3-3, the second Z axis straight line mould group 3-8 and
The longitudinal CCD camera 3-1 of port straight down is fitted on the sliding block of three Z axis straight line mould group 3-9 respectively.Longitudinal CCD phase
Machine 3-1 can be under the action of the first X-axis straight line mould group 3-3, the second Z axis straight line mould group 3-8 and third Z axis straight line mould group 3-9
It realizes the movement in X-axis and Z-direction, realizes and the overhead view image of different metal cast member is absorbed.
The second X-axis straight line mould group 3-4 has two sliding blocks, distinguishes on two sliding blocks of the second X-axis straight line mould group 3-4
Equipped first Y-axis straight line mould group 3-5 and the second Y-axis straight line mould group 3-6, the first Y-axis straight line mould group 3-5 and the second Y-axis are straight
The lateral CCD camera 3-2 that port levels are directed toward the turntable 2-1 is separately installed on the sliding block of line mould group 3-6.Described
The sliding block of one Z axis straight line mould group 3-7 has another lateral CCD camera 3-2 by L shape erection of frames.Lateral CCD camera 3-2
It can be in second X-axis straight line mould group 3-4 the first Y-axis straight line mould group 3-5, the second Y-axis straight line mould group 3-6 and the first Z axis straight line mould
The movement for realizing XYZ axis direction under the action of group 3-7 respectively is realized and is absorbed to the side elevation image of different metal cast member.
In the present embodiment, the bracket is equipped with the slot being made of plate body, and the velocity of sound instrument 3-11 is mounted on described insert
In slot.The top of the base 1 is equipped with upper encloser, and the side of the upper encloser is equipped with grating sensor, plays safe guarantor
Shield effect.
The working principle of this equipment:
1. metal casting part to be detected is placed on the feeding station of turntable 2-1, metal casting part is propped up by brace 2-3
Support；
2. servo motor 2-4 drive shaft rotates, metal casting part turns to the probe 3-12 by near-sonic speed instrument 3-11, this
It carves metal casting part and is located at velocity of sound detection station；
It is bonded, leans on metal casting part 3. the probe 3-12 of velocity of sound instrument 3-11 passes through cylinder 3-13 control action and realizes
Nearly probe 3-12 provides the oil supply loop of detection couplant with promising probe 3-12；
4. if for velocity of sound instrument 3-11 to the qualification that is detected as of metal casting, it is electric that metal casting part passes through servo in previous step
Machine 2-4 work is moved to next CCD detection station and carries out step 5, if velocity of sound instrument 3-11 is to metal casting in previous step
It is detected as unqualified, then metal casting part is moved to discharge station and directly carries out step 7 blanking by servo motor 2-4 work；
5. detection device 3 is according to pre-set programs, (this pre-set programs is by operator according to the ruler of detected metal casting part
Very little shape setting) X-axis straight line mould group, Y-axis straight line mould group, the movement of Z axis straight line mould group are controlled to realize corresponding CCD camera to metal
Cast member carry out image capture, CCD camera by the image transmitting of intake to display and judge metal casting part shape whether
Qualification enters step 6 blankings if qualified, as unqualified, enters step 7 blankings；
6. metal casting part is moved to discharge station by the servo motor 2-4 style of work, pass through robot blanking to qualification
Case (OK case)；
7. metal casting part is moved to discharge station by the servo motor 2-4 style of work, by robot blanking to not conforming to
Lattice case (NG case).
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement, such as:
In the present embodiment, station supporting plate and brace can be integral type support structure, and same effect also may be implemented；
And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution
Range.
Claims (5)
1. a kind of cast member size detection machine, it is characterised in that: including base (1), four station conversion devices (2) and detection device
(3)；Four station conversion device (2) and detection device (3) are mounted on the base (1), and the detection device (3) is located at
The side of four station conversion device (2)；
Four station conversion device (2) includes shaft, turntable (2-1), station supporting plate (2-2), brace (2-3) and servo motor
The axis vertical of (2-4), the shaft are arranged and are mounted on the base (1) by bearing, servo motor (2-4) peace
On the base (1), the output shaft of the servo motor couples with the lower end of the shaft, and the turntable (2-1) is fixed
Using the axis of the shaft as the center circle distribution four station supports on the upper end of the shaft, the turntable (2-1)
Plate (2-2) is equipped with several braces (2-3) for being used to support cast member on the station supporting plate (2-2)；
The detection device (3) include bracket, velocity of sound instrument (3-11), CCD camera device, X-axis straight line mould group, Y-axis straight line mould group,
Z axis straight line mould group, the bracket are fixed on the base (1), and the velocity of sound instrument (3-11) has the probe (3- for detection
12) it, is equipped on the bracket cylinder (3-13), the probe (3-12) is fixed in the cylinder rod of the cylinder (3-13)；Institute
Stating CCD camera device includes two longitudinal CCD cameras (3-1) and three lateral CCD cameras (3-2), the X-axis straight line mould group packet
The first X-axis straight line mould group (3-3) and the second X-axis straight line mould group (3-4) are included, the Y-axis straight line mould group includes the first Y-axis straight line mould
Group (3-5) and the second Y-axis straight line mould group (3-6), the Z axis straight line mould group include the first Z axis straight line mould group (3-7), the second Z axis
Straight line mould group (3-8) and third Z axis straight line mould group (3-9), the velocity of sound instrument (3-11), the first X-axis straight line mould group (3-3),
Two X-axis straight line mould groups (3-4), the first Z axis straight line mould group (3-7) are fixedly mounted on the bracket, the first X-axis straight line mould
Group (3-3) has two sliding blocks, and the second Z axis straight line mould group (3-8) and third Z axis straight line mould group (3-9) are fitted respectively over institute
On two sliding blocks for stating the first X-axis straight line mould group (3-3), the second Z axis straight line mould group (3-8) and third Z axis straight line mould group (3-
9) the longitudinal CCD camera (3-1) of port straight down, the second X-axis straight line mould group (3- are fitted on sliding block respectively
4) there are two sliding blocks, be equipped on two sliding blocks of the second X-axis straight line mould group (3-4) respectively the first Y-axis straight line mould group (3-5) and
Divide on the sliding block of second Y-axis straight line mould group (3-6), the first Y-axis straight line mould group (3-5) and the second Y-axis straight line mould group (3-6)
The lateral CCD camera (3-2) that port levels are directed toward the turntable (2-1), the first Z axis straight line mould group are not installed
The sliding block of (3-7) has another lateral CCD camera (3-2) by L shape erection of frames.
2. cast member size detection machine according to claim 1, it is characterised in that: the station supporting plate (2-2) is equipped with
Several jacks, the brace (2-3) are the column being inserted into the jack.
3. cast member size detection machine according to claim 1, it is characterised in that: the bracket includes column (3-14), C
The lower end of shape closing piece (3-15) and crossbeam (3-10), the column (3-14) is fixed on the base (1), the crossbeam (3-
10) both ends are fixed on the column (3-14) by the C-shaped closing piece (3-15).
4. cast member size detection machine according to claim 1, it is characterised in that: the bracket is equipped with and is made of plate body
Slot, the velocity of sound instrument (3-11) is mounted in the slot.
5. cast member size detection machine according to claim 1, it is characterised in that: the top of the base (1) is equipped with
The side of upper encloser, the upper encloser is equipped with grating sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821119371.1U CN208542585U (en) | 2018-07-13 | 2018-07-13 | A kind of cast member size detection machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821119371.1U CN208542585U (en) | 2018-07-13 | 2018-07-13 | A kind of cast member size detection machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208542585U true CN208542585U (en) | 2019-02-26 |
Family
ID=65424635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821119371.1U Expired - Fee Related CN208542585U (en) | 2018-07-13 | 2018-07-13 | A kind of cast member size detection machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208542585U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112577428A (en) * | 2020-12-10 | 2021-03-30 | 苏州凌创电子***有限公司 | Visual detection equipment based on detection of position degree of servo turntable type PIN needle |
-
2018
- 2018-07-13 CN CN201821119371.1U patent/CN208542585U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112577428A (en) * | 2020-12-10 | 2021-03-30 | 苏州凌创电子***有限公司 | Visual detection equipment based on detection of position degree of servo turntable type PIN needle |
| CN112577428B (en) * | 2020-12-10 | 2022-05-03 | 苏州凌创电子***有限公司 | Visual detection equipment based on detection of position degree of servo turntable type PIN needle |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201012 Address after: Room 811, Building C01, Venture Headquarters Base, North Fuyuan Road, Wuqing Development Zone, Tianjin Patentee after: TIANJIN FOUNDRY INTELLIGENT TECHNOLOGY Co.,Ltd. Address before: 300304 Tianjin District of Dongli City Huaming high-tech industrial zone AFP Road No. 6, block E No. 1 building 301 room Patentee before: TIANJIN FOUNDRY INTELLIGENT TECHNOLOGY Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190226 Termination date: 20210713 |