CN105150029A - Tool inspection device - Google Patents
Tool inspection device Download PDFInfo
- Publication number
- CN105150029A CN105150029A CN201510440062.9A CN201510440062A CN105150029A CN 105150029 A CN105150029 A CN 105150029A CN 201510440062 A CN201510440062 A CN 201510440062A CN 105150029 A CN105150029 A CN 105150029A
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- China
- Prior art keywords
- cutter
- testing fixture
- support
- signal output
- breaking
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000007689 inspection Methods 0.000 title claims abstract description 46
- 238000012360 testing method Methods 0.000 claims description 50
- 230000000694 effects Effects 0.000 claims description 14
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 8
- 230000008439 repair process Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000012545 processing Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 230000011664 signaling Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000002173 cutting fluid Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
- B23Q17/09—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring cutting pressure or for determining cutting-tool condition, e.g. cutting ability, load on tool
- B23Q17/0904—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring cutting pressure or for determining cutting-tool condition, e.g. cutting ability, load on tool before or after machining
- B23Q17/0919—Arrangements for measuring or adjusting cutting-tool geometry in presetting devices
- B23Q17/0923—Tool length
Abstract
The invention relates to a tool inspection device. The tool inspection device comprises a T-shaped supporting frame composed of a first supporting frame and a second supporting frame. A chuck is arranged at the lower end of the first supporting frame. A movable balancing block is installed in an open groove of the chuck and connected with the first supporting frame through a pin shaft. A high-sensitivity sensor is installed at the upper end of the first supporting frame. The lower end of a tool inspection plate is fixed to the movable balancing block, the upper end of the tool inspection plate abuts against the high-sensitivity sensor, and a tool inspection area is arranged below the point, connected with the movable balancing block, on the tool inspection plate. One end of the second supporting frame is connected with the middle of the first supporting frame, the other end of the second supporting frame is connected with a screw nut seat capable of moving on a screw, and the screw is connected with and driven by a servo motor. The high-sensitivity sensor is connected to a tool inspection circuit. An expensive special direct current motor which can not be repaired is replaced by a simple mechanical structure and the sensor, and an expensive tool inspection controller is replaced by three intermediate relays. The tool inspection device has the advantages of being accurate in detection, simple in structure, low in manufacturing cost, convenient and rapid to repair and the like, and accessories are easy to buy.
Description
Technical field
The present invention relates to a kind of device for detecting length, particularly a kind of cutter testing fixture, is applicable to the detection of the minor variations of precision finishing machine tool length.
Background technology
During present work is produced, precision machine tool is more and more universal, machining accuracy is more and more higher, process velocity is more and more faster, and in order to improve working (machining) efficiency, some special type knifes occur in succession, although its result of use is fine, but its price yet unusual costliness, particularly some import cutters, the cutter of several ten thousand yuan of one handle is unrare easily.So precision finishing machine is all provided with cutter testing fixture, namely detect that tool damage is reported to the police immediately and makes lathe out of service, prevent continuing processing and cause institute's processing work to scrap and follow-up a large amount of tool damage.
General cutter testing fixture is all specify position of tool tip by driven by servomotor leading screw carry its tools testing fixture to program, now detect direct current generator rotary actuation and detect pin impact cutter front end, breaking then exceedes stroke and exports NG signal to controller, and then controller output breaking alarm signal makes lathe out of service.Cutter normally then can not exceed its stroke, provides OK signal to controller, and controller exports cutter normal signal again to lathe, and lathe continues normal operation.
To fix a cutting tool, testing fixture has the following disadvantages:
First: expensive, cutter checking device comprises a cutter inspection controller, the extraordinary direct current generator of inspection cutter.A servomotor, a servo-driver, a rhizoid thick stick.
Second: inspection cutter weak effect.Due to cutter inspection direct current generator shaft clearance and the flexible existence of detection pin, detection pin is easily caused to cause error detection from some tool tip taper position slippage.So damage point of a knife cutter its cannot accurately detect at all.
3rd: it is poor to reuse with maintainability.Its extraordinary direct current generator and cutter inspection controller are expensive disposable products, cannot keep in repair and reuse.Original paper can only be bought after damage change.
4th: fault rate is high.Processing storehouse is high humidity environment, and the extraordinary direct current generator that the cutting fluid mist of oil of oiliness easily enters only by the sealing of O RunddichtringO is inner, causes motor damage.
Summary of the invention
The object of the present invention is to provide a kind of cutter testing fixture, mainly solve the deficiency of above-mentioned conventional art, it just instead of with simple frame for movement and a sensor and cannot keep in repair and expensive extraordinary direct current generator; Instead of expensive cutter inspection controller with three auxiliary reclays, and have detect accurately, structure is simple, accessory is easily purchased, cheap, be convenient to the advantages such as rapid-maintenance.
For achieving the above object, technical scheme of the present invention is:
A kind of cutter testing fixture, is characterized in that: it comprises the T font support be made up of the first support and the second support; This first pedestal lower end is provided with chuck, and the open slot of chuck is built with one piece of activity balancing block, and this balance weight one pivot pin is connected with the first support, and this first pedestal upper end is equipped with high sensitive sensor; One inspection knife plate lower end is fixed on activity balancing block, and upper end is resisted against on high sensitive sensor, and this inspection knife plate also has Jian Dao district with the below of activity balancing block tie point; This second support one end is connected to the first mid-stent, and the other end is then connected to can on feed screw nut seat movable on leading screw, and this leading screw is connected by servomotor and drives; This high sensitive sensor is connected on cutter check circuit.
Described cutter testing fixture, is characterized in that: the other end of this second support is also connected with balance weight.
Described cutter testing fixture, is characterized in that: these leading screw two ends have the bearing block supporting leading screw.
Described cutter testing fixture, is characterized in that: the adjustment screw this first support with the spacing for regulating inspection knife plate and high sensitive sensor.
Described cutter testing fixture, is characterized in that: this inspection knife plate is fixed on activity balancing block by two screws.
Described cutter testing fixture, is characterized in that: this second support is bolted on feed screw nut seat.
Described cutter testing fixture, is characterized in that: this balance weight is fixed on the second support by screw.
Described cutter testing fixture, is characterized in that: this cutter check circuit comprises high sensitive sensor, breaking testing fixture prepares to detect relay, normal cutter signal output relay, breaking or breakage signal output relay; Wherein: high sensitive sensor and breaking testing fixture prepare to detect relay and connect, breaking testing fixture prepares the normally closed point and the series connection of normal cutter signal output relay that detect relay, the normal battle that breaking testing fixture prepares to detect relay connects with breaking or breakage signal output relay, connects after these two control loop parallel connections with lathe enabling signal output relay; First group of normally open contact of normal cutter signal output relay exports normal cutter signal; First group of normally open contact of breaking or breakage signal output relay exports tool damage signal; Second group of normally open contact of second group of normally open contact of normal cutter signal output relay and breaking or breakage signal output relay is in parallel, and outgoing position signal.
Present invention, avoiding many disadvantages of the prior art, just instead of with simple frame for movement and a sensor and cannot keep in repair and expensive extraordinary direct current generator; Instead of expensive cutter inspection controller with three auxiliary reclays, and have detection accurately, structure is simple, and accessory is easily purchased, cheap, is convenient to the advantages such as rapid-maintenance.
Accompanying drawing explanation
Fig. 1 is the structural representation of machinery of the present invention.
In Fig. 1: 1-first support; 2-second support; 3-balance weight; 4-chuck; 5-activity balancing block; 6-examines knife plate; 7-bolt; 8-high sensitive sensor; 9-adjustment screw; 10-pivot pin; 11-screw; 12-screw; 13-Jian Dao district; 14-servomotor; 15,18-bearing block; 16-leading screw; 17-feed screw nut seat.
Fig. 2 is electrical structure schematic diagram of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.
Refer to Fig. 1,2, the invention discloses a kind of cutter testing fixture.As shown in Figure 1: it comprises the T font support be made up of the first support 1 and the second support 2; This first support 1 lower end is provided with chuck 4, and the open slot of chuck 4 is built with one piece of activity balancing block 5, and this balance weight 5 pivot pin 10 is connected with the first support 1, and high sensitive sensor 8 is equipped with in this first support 1 upper end; One inspection knife plate 6 lower end is fixed on activity balancing block 5, and upper end is resisted against on high sensitive sensor 8, and this inspection knife plate 6 also has Jian Dao district 13 with the below of activity balancing block 5 tie point; This second support 2 one end is connected in the middle part of the first support 1, and the other end is then connected to can on feed screw nut seat 17 movable on leading screw 16, and this leading screw 16 connects driving by servomotor 14; This high sensitive sensor 8 is connected on cutter check circuit.
As shown in Figure 2: this cutter check circuit comprises high sensitive sensor 8, breaking testing fixture prepares to detect relay K A, normal cutter signal output relay KA1, breaking or breakage signal output relay KA2; Wherein: high sensitive sensor 8 and breaking testing fixture prepare to detect relay K A and connect, normally closed point and the normal cutter signal output relay KA1 of breaking testing fixture preparation detection relay K A connect, the normal battle that breaking testing fixture prepares to detect relay K A connects with breaking or breakage signal output relay KA2, connects after these two control loop parallel connections with lathe enabling signal output relay Y; First group of normally open contact of normal cutter signal output relay KA1 exports normal cutter signal OK; First group of normally open contact of breaking or breakage signal output relay KA2 exports tool damage signal NG; Second group of normally open contact of second group of normally open contact of normal cutter signal output relay KA1 and breaking or breakage signal output relay KA2 is in parallel, and outgoing position signal POS.
In electrical structure of the present invention:
Be arranged at the lathe enabling signal output relay Y of lathe inside, start output signal for machine tool break testing fixture.The preferred model of this relay is that G6B-1174P-FD-US is with one group of normally open contact.
High sensitive sensor 8, passes over tool length change for detecting knife plate.The preferred model E2E-X3D1-N(of this sensor often opens two lines).
Breaking testing fixture prepares to detect relay K A, and the tool failure signal that the normal cutter signal of its normally closed output and normal battle export is by the Determines of high sensitive sensor 8.The preferred model MY4NJ. of this relay is with four groups of normally open contacts and four groups of normally closed interlocks; Or LY2NJ model band two groups of normally open contacts and two groups of normally closed interlocks.
Normal cutter signal output relay KA1, the preferred model MY4NJ of this relay, be with four groups of normally open contacts and four groups of normally closed interlocks; Or LY2NJ model band two groups of normally open contacts and two groups of normally closed interlocks.
Breaking or breakage signal output relay KA2, the preferred model MY4NJ of this relay, is with four groups of normally open contacts and four groups of normally closed interlocks; Or LY2NJ model band two groups of normally open contacts and two groups of normally closed interlocks.
P24 is DC power supply+24V.For inspection knife system control circuit is powered.N24 is DC power supply 0V.For inspection knife system control circuit is powered.
Normal cutter signal OK.After lathe obtains cutter normal signal, program is carried out processing and is not shut down not output alarm signal, the normal tool changing processing of lathe follow procedure.
Tool damage signal NG.When lathe obtains damaging cutter signal, program is carried out process and is exported breaking NG alarm signal and shut down, and waits cutter to be replaced.
Cutter testing fixture position POS.It is confirm that cutter testing fixture has started and has been in correct inspection cutter position (position signalling POS is often made war by the normal cutter signal output relay KA1 of parallel connection and tool damage signal output relay KA2 is often made war output that this signal exports to lathe, as long as so cutter checking device starts, no matter cutter OK or NG will export POS position signalling).
In the present invention, the other end of this second support 2 is also connected with balance weight 3.It is for keeping the balance of bolt 7 two ends weight, prevents because lathe vibrations cause inspection knife system deflection, causes and cannot examine cutter and cause the generation of reporting to the police.
In the present invention, these leading screw 16 two ends have the bearing block 15,18 supporting leading screw.
In the present invention, this first support 1 has the adjustment screw 9 of the spacing for regulating inspection knife plate 6 and high sensitive sensor 8.For adjusting the distance between inspection knife plate 6 and high sensitive sensor 8, namely adjust Tool monitoring sensitivity.
In the present invention, this inspection knife plate 6 is fixed on activity balancing block 5 by two screws 11.
In the present invention, this second support 2 is fixed on feed screw nut seat 17 by bolt 7.
In the present invention, this balance weight 3 is fixed on the second support 2 by screw 12.
The inspection cutter operation principle of apparatus of the present invention is:
When lathe starts, origin position got back to by cutter testing fixture, and inspection knife plate 6, under gravity close to high sensitive sensor 8, makes it be sensed as ON, prepares for detecting cutter.After processing storehouse inner main axis tool sharpening completes, main shaft moves to tool changing point, tool change arm rotates main axle cutter and ready position cutter that (namely during machine tooling, next is selected by system by the cutter used, and push to a fixing position, this position knives is exactly ready position cutter) exchange, after tool changing completes, for preventing because of tool damage, workpiece is processed with regard to tool changing under last procedure does not complete processing situation, thus cause processing work to scrap to damage with subsequent tool, now, just cutter inspection must be carried out.Cutter testing fixture is arranged on the dead ahead of preparation tool position, during inspection cutter, drive leading screw 16 that cutter testing fixture is moved to preparation tool position (this position is determined according to tool length by examining cutter macroprogram) according to program by servomotor 14, the Jian Dao district 13 of now cutter testing fixture inspection knife plate 6 contacts the tip of cutter, now by appearance two kinds of situations:
1. when cutter is normal, inspection knife plate makes cutter high sensitive sensor 8 disconnect, breaking testing fixture prepares to detect its normally closed point of relay K A dead electricity and closes, now machine tool program sends inspection cutter instruction lathe enabling signal output relay Y, Y is often made war closed, close because breaking testing fixture prepares to detect the normally closed point of relay K A, so normal cutter signal output relay KA1 obtains electric, one group is often made war to close and is exported cutter normal signal OK; Another group normally open contact exports and confirms whether cutter testing fixture is in the position signalling POS of correct inspection cutter position to lathe, and lathe confirms to continue the normal tool changing processing of follow procedure after cutter normally.
2. during cutter breaking, because cutter shortens, cutter cannot touch inspection knife plate 6, even if or run into inspection knife plate high sensitive sensor 8 also cannot be made to disconnect, breaking testing fixture prepares to detect relay K A and keeps "on" position to close its normal battle always, now lathe sends inspection cutter instruction lathe enabling signal output relay Y, Y is often made war closed, now, often make war because of breaking testing fixture preparation detection relay K A and closed, so breaking or breakage signal output relay KA2 obtain electric, breaking or breakage signal output relay KA2 are often made war closed, one group normally open contact exports cutter breaking signal NG, another group normally open contact exports and confirms whether cutter testing fixture is in the signal POS of correct inspection cutter position to lathe, and after confirming cutter breaking, lathe stops processing and output alarm signal, waits to be replacedly to damage cutter.
Be only preferred embodiment of the present invention in sum, be not used for limiting practical range of the present invention.Namely all equivalences done according to the content of the present patent application the scope of the claims change and modify, and all should be technology category of the present invention.
Claims (8)
1. a cutter testing fixture, is characterized in that: it comprises the T font support be made up of the first support (1) and the second support (2); This first support (1) lower end is provided with chuck (4), the open slot of chuck (4) is built with one piece of activity balancing block (5), this balance weight (5) pivot pin (10) is connected with the first support (1), and high sensitive sensor (8) is equipped with in this first support (1) upper end; One inspection knife plate (6) lower end is fixed on activity balancing block (5), and upper end is resisted against on high sensitive sensor (8), and this inspection knife plate (6) also has Jian Dao district (13) with the below of activity balancing block (5) tie point; This second support (2) one end is connected to the first support (1) middle part, and the other end is then connected to can on the upper movable feed screw nut seat (17) of leading screw (16), and this leading screw (16) connects driving by servomotor (14); This high sensitive sensor (8) is connected on cutter check circuit.
2. cutter testing fixture according to claim 1, is characterized in that: the other end of this second support (2) is also connected with balance weight (3).
3. cutter testing fixture according to claim 1, is characterized in that: this leading screw (16) two ends have the bearing block (15,18) supporting leading screw.
4. cutter testing fixture according to claim 1, is characterized in that: the adjustment screw (9) this first support (1) with the spacing for regulating inspection knife plate (6) and high sensitive sensor (8).
5. cutter testing fixture according to claim 1, is characterized in that: this inspection knife plate (6) is fixed on activity balancing block (5) by two screws (11).
6. cutter testing fixture according to claim 1, is characterized in that: this second support (2) is fixed on feed screw nut seat (17) by bolt (7).
7. cutter testing fixture according to claim 2, is characterized in that: this balance weight (3) is fixed on the second support (2) by screw (12).
8. the cutter testing fixture according to claim 1 or 2 or 3 or 4 or 5 or 6 or 7, is characterized in that: this cutter check circuit comprises high sensitive sensor (8), breaking testing fixture prepares to detect relay (KA), normal cutter signal output relay (KA1), breaking or breakage signal output relay (KA2); Wherein: high sensitive sensor (8) and breaking testing fixture prepare to detect relay (KA) and connect, breaking testing fixture prepares the normally closed point and the series connection of normal cutter signal output relay (KA1) that detect relay (KA), the normal battle that breaking testing fixture prepares to detect relay (KA) connects with breaking or breakage signal output relay (KA2), connects after these two control loop parallel connections with lathe enabling signal output relay (Y); First group of normally open contact of normal cutter signal output relay (KA1) exports normal cutter signal (OK); First group of normally open contact of breaking or breakage signal output relay (KA2) exports tool damage signal (NG); Second group of normally open contact of second group of normally open contact of normal cutter signal output relay (KA1) and breaking or breakage signal output relay (KA2) is in parallel, and outgoing position signal (POS).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510440062.9A CN105150029B (en) | 2015-07-24 | 2015-07-24 | Tool inspection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510440062.9A CN105150029B (en) | 2015-07-24 | 2015-07-24 | Tool inspection device |
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| Publication Number | Publication Date |
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| CN105150029A true CN105150029A (en) | 2015-12-16 |
| CN105150029B CN105150029B (en) | 2017-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510440062.9A Active CN105150029B (en) | 2015-07-24 | 2015-07-24 | Tool inspection device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107621807A (en) * | 2017-07-25 | 2018-01-23 | 上海凯思尔电子有限公司 | A kind of numerical control milling machine breaking monitoring method |
| CN108614030A (en) * | 2018-05-11 | 2018-10-02 | 柳州幻智科技有限公司 | A kind of break detection device of blade processing |
| CN110774054A (en) * | 2019-10-12 | 2020-02-11 | 东华大学 | Device and method for measuring abrasion of drilling tool |
| CN111266927A (en) * | 2020-03-31 | 2020-06-12 | 北京博鲁斯潘精密机床有限公司 | Machine tool cutter detection device and machine tool with same |
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| EP0492344A2 (en) * | 1990-12-22 | 1992-07-01 | Joachim Dipl.-Wirtsch.-Ing. Gerwin | Monitoring device for a tool in an automatic turning machine |
| CN102001023A (en) * | 2010-12-24 | 2011-04-06 | 沈阳飞机工业（集团）有限公司 | Tool wear detector |
| CN103600266A (en) * | 2013-11-19 | 2014-02-26 | 浙江吉利汽车研究院有限公司 | Length detection device of holes machining tool |
| CN204135819U (en) * | 2014-08-11 | 2015-02-04 | 东风康明斯发动机有限公司 | A kind of for the long checkout gear of cutter in the line of machining center |
| CN204221523U (en) * | 2014-10-22 | 2015-03-25 | 富鼎电子科技(嘉善)有限公司 | Break detection device |
-
2015
- 2015-07-24 CN CN201510440062.9A patent/CN105150029B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0492344A2 (en) * | 1990-12-22 | 1992-07-01 | Joachim Dipl.-Wirtsch.-Ing. Gerwin | Monitoring device for a tool in an automatic turning machine |
| EP0492344A3 (en) * | 1990-12-22 | 1992-12-23 | Joachim Dipl.-Wirtsch.-Ing. Gerwin | Monitoring device for a tool in an automatic turning machine |
| CN102001023A (en) * | 2010-12-24 | 2011-04-06 | 沈阳飞机工业（集团）有限公司 | Tool wear detector |
| CN103600266A (en) * | 2013-11-19 | 2014-02-26 | 浙江吉利汽车研究院有限公司 | Length detection device of holes machining tool |
| CN204135819U (en) * | 2014-08-11 | 2015-02-04 | 东风康明斯发动机有限公司 | A kind of for the long checkout gear of cutter in the line of machining center |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107621807A (en) * | 2017-07-25 | 2018-01-23 | 上海凯思尔电子有限公司 | A kind of numerical control milling machine breaking monitoring method |
| CN108614030A (en) * | 2018-05-11 | 2018-10-02 | 柳州幻智科技有限公司 | A kind of break detection device of blade processing |
| CN110774054A (en) * | 2019-10-12 | 2020-02-11 | 东华大学 | Device and method for measuring abrasion of drilling tool |
| CN110774054B (en) * | 2019-10-12 | 2021-11-12 | 东华大学 | Device and method for measuring abrasion of drilling tool |
| CN111266927A (en) * | 2020-03-31 | 2020-06-12 | 北京博鲁斯潘精密机床有限公司 | Machine tool cutter detection device and machine tool with same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105150029B (en) | 2017-05-03 |
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Effective date of registration: 20201221 Address after: No.6 Ruiye Road, Yaoqiao Town, Zhenjiang New District, Zhenjiang City, Jiangsu Province Patentee after: JIANGSU RUIER LONGSHENG IMPELLER TECHNOLOGY Co.,Ltd. Address before: 201805 No. 625 South Miquan Road, Anting Town, Shanghai, Jiading District Patentee before: SHANGHAI REAL INDUSTRIAL Co.,Ltd. |
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Denomination of invention: A Tool Inspection Device Effective date of registration: 20231019 Granted publication date: 20170503 Pledgee: Industrial Bank Co.,Ltd. Shanghai Huangpu Sub branch Pledgor: SHANGHAI REAL INDUSTRIAL Co.,Ltd.|JIANGSU RUIER LONGSHENG IMPELLER TECHNOLOGY Co.,Ltd. Registration number: Y2023310000654 |
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