CN211538989U - Detection conveying device for ejector - Google Patents

Detection conveying device for ejector Download PDF

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Publication number
CN211538989U
CN211538989U CN201922138814.2U CN201922138814U CN211538989U CN 211538989 U CN211538989 U CN 211538989U CN 201922138814 U CN201922138814 U CN 201922138814U CN 211538989 U CN211538989 U CN 211538989U
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CN
China
Prior art keywords
rotating
positioning
detection
plug
disc
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Active
Application number
CN201922138814.2U
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Chinese (zh)
Inventor
洪杰
洪军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Langrui Precision Forging Co.,Ltd.
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Langrui Taizhou Metal Tools Co ltd
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Priority to CN201922138814.2U priority Critical patent/CN211538989U/en
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Publication of CN211538989U publication Critical patent/CN211538989U/en
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Abstract

The utility model discloses a detection conveyor of top, detect piece, positioning disk, conveyer belt including casing, controller, runner motor, runner pivot, carousel, telescopic link, top, the runner motor sets up in the casing top, and runner motor, runner pivot, carousel, shrink pole set gradually by last to down, and the top detects the piece is connected to the shrink pole, and the top detects the piece below and is equipped with positioning disk and conveyer belt, the controller control runner motor rotates and the telescopic link is flexible. The beneficial effects of the utility model are that can a plurality of top of automated inspection in succession, degree of automation is high, and detection efficiency is high.

Description

Detection conveying device for ejector
Technical Field
The utility model relates to a detection device of top, concretely relates to detection conveyor of top.
Background
At present, the piercing plug is one of the most consumption key tools in seamless steel pipe production. The piercing plug has poor working conditions, so that the service life of the piercing plug is short, and the production efficiency and the quality of steel pipes are affected. The plug works under the conditions of high temperature, high pressure, rapid cooling and rapid heating and is subjected to the action of mechanical fatigue and thermal fatigue, so the plug is often scrapped in failure modes such as steel sticking, cracking and the like, in addition, the quality of the plug is likely to be flawed due to the problems of processing technology after the plug is manufactured, for example, the surface of the plug is scratched and the like, and the subsequent work production is influenced, the traditional detection is manually observed, but the condition of missed detection is easy to appear, China publication No. CN201520420680.2 discloses a perforator plug detection device which comprises a plug, a push rod and a plug detection block arranged at the front part of the plug, wherein the plug sequentially comprises a nose part, a punching part, a rolling part and a reverse cone part, the nose part is arranged at the front end of the plug, the reverse cone part is connected with the push rod, a detection area is arranged in the plug detection block, and the detection area comprises a front end detection area and an annular detection area, the front end detection area is a columnar hole which can enable the nose to enter, a detection head moving in the front end detection area is arranged in the front end detection area, the detection head is connected with an elastic piece, and the elastic piece is connected with a nose detector; be equipped with a plurality of annular detector in the annular detection zone, annular detector is along top moving direction evenly distributed, the utility model discloses a mode that machine detected has replaced artifical the detection, the condition of lou examining has been avoided, but this utility model has some defects, when detecting the top, need detect the top and all lift to a take the altitude with the top, then aim at, push the top to detecting the piece in through the push rod, this kind of detection method detects a top alone and does not have the problem, but if need detect a plurality of tops simultaneously, it is absolutely can lead to the detection rate too slow, and simultaneously, this utility model creates and does not solve also how to classify to the top of good quality and quality difference after finishing detecting.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problem, the utility model provides a detection conveyor of top, detect piece, positioning disk, conveyer belt including casing, controller, runner motor, runner pivot, carousel, telescopic link, top, the runner motor sets up in the casing top, and runner motor, runner pivot, carousel, shrink pole set gradually by last to down, and the top detects the piece is connected to the shrink pole, and the top detects piece below and is equipped with positioning disk and conveyer belt, the controller control runner motor rotates and the telescopic link is flexible.
Preferably, the plug detection block comprises an electromagnet, a rotating part, an annular detection area and an annular detector, the electromagnet is arranged on the upper part of the rotating part, the annular detection area is arranged in the rotating part, and the annular detector is arranged on the annular detection area.
Preferably, a plurality of grooves are formed in the positioning disc, the grooves are circular and are uniformly formed in the edge of the positioning disc, a rotating shaft and a supporting block are arranged at the bottom end of the positioning disc, a rotating motor is arranged in the supporting block, and the rotating motor is connected with the rotating shaft.
Preferably, the inner edge of the groove is provided with an elastic pad.
Preferably, the upper end of the top detection block is provided with a rotary laser transmitter, and the lower end of the top detection block is provided with a first positioning laser transmitter.
Preferably, the center of the positioning disc is provided with a rotary laser receiver, and the edges of the grooves are provided with positioning laser receivers.
Preferably, the device further comprises a second positioning laser transmitter, and the second positioning laser transmitter is arranged by deflecting 15 degrees towards the rotating direction of the turntable along the vertical direction.
Preferably, the number of the plug detection blocks is two, and the two plug detection blocks have the same structure.
The utility model discloses beneficial effect that can bring has promoted detection rate for can detecting a plurality of top in succession, has improved the detection precision.
Drawings
FIG. 1 is a schematic view of the device as a whole without the laser emitter
FIG. 2 is a schematic view of the structure of the plug detection block
FIG. 3 is a schematic view of a positioning plate
FIG. 4 is a schematic diagram of a trajectory of laser signals emitted by a rotating laser emitter and a first positioning laser emitter
FIG. 5 is a schematic plan view of a track where three laser transmitters emit laser signals
FIG. 6 is a schematic perspective view of a track where the first and second positioning laser transmitters emit laser signals
In the figure, 1, a shell, 2, a controller, 3, a rotating wheel motor, 4, a rotating wheel rotating shaft, 5, a rotating disc, 6, a telescopic rod, 7, a top head detection block, 8, a positioning disc, 9, a conveying belt, 10, a rotating shaft, 11, a supporting block, 12, an annular detector, 13, a motor, 14, a driving wheel, 15, an annular detection area, 16, a rotating part, 17, an annular detection area central axis, 18, an electromagnet, 19, a groove, 20, an elastic pad, 21, a rotating laser receiver, 22, a positioning laser receiver, 23, a rotating laser transmitter, 24, a first positioning laser receiver and 25, a second positioning laser transmitter are arranged.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
As shown in fig. 1 to 4, a detection and conveying device for a plug comprises a casing 1, a controller 2, a rotating wheel motor 3, a rotating wheel shaft 4, a rotating disc 5, an expansion link 6, a plug detection block 7, a positioning disc 8 and a conveying belt 9, wherein the rotating wheel motor 3 is arranged above the casing 1, the rotating wheel motor 3, the rotating wheel shaft 4, the rotating disc 5 and the expansion link are sequentially arranged from top to bottom, the expansion link is connected with the plug detection block 7, the positioning disc 8 and the conveying belt 9 are arranged below the plug detection block 7, the controller 2 controls the rotating wheel motor 3 to rotate and the expansion link 6 to expand and contract, the plug detection block 7 comprises an electromagnet 18, a rotating part 16, an annular detection area 15 and an annular detector 12, the electromagnet 18 is arranged on the upper part of the rotating part 16, the annular detection area 15 is arranged in the rotating part 16, the annular detector 12 is arranged on the annular detection area 15, a plurality of, the groove 19 is circular and is uniformly arranged at the edge of the positioning disc 8, the bottom end of the positioning disc 8 is provided with a rotating shaft 10 and a supporting block 11, the supporting block 11 is internally provided with a rotating motor (not shown), a power supply and a processor (not shown), the processor (not shown) controls the power supply of the rotating motor (not shown) to be turned on and off, the rotating motor (not shown) and the rotating shaft 10 are connected through a transmission device (not shown), the transmission device can be any one of the prior art, in the embodiment, a gear is used as the transmission device, the inner edge of the groove 19 is provided with an elastic pad 20, the elastic pad 20 is arranged for preventing the top head from falling off the positioning disc 8, the upper end of the top head detecting block 7 is provided with a rotating laser emitter 23, the lower end of the top head is provided with a first positioning laser emitter 24, the rotating laser emitter 23 is obliquely arranged at the upper end of the top head, the included angle between the first positioning laser transmitter and the horizontal plane is 45-60 degrees, the first positioning laser transmitter 24 is vertically arranged at the bottom of the top detection block 7, the center of the positioning disc 8 is provided with a rotary laser receiver 21, and the edges of the grooves 19 are provided with positioning laser receivers 22. The rotating laser receiver 21 and the positioning laser receiver 22 are electrically connected with a processor (not shown in the figure), the device further comprises an external power supply, and the external power supply is electrically connected with the controller 2, the rotating wheel motor 3, the telescopic rod 6, the top detection block 7, the rotating laser transmitter 23, the first positioning laser transmitter and the second positioning laser transmitter. The operation principle of the scheme is as follows: firstly, the top is arranged on a groove 19 of a positioning disc 8, an elastic pad 20 in the groove 19 plays a role of fixing, a controller 2 starts a rotating wheel motor 3, the rotating wheel motor 3 drives a rotating wheel rotating shaft 4 to rotate, the rotating wheel rotating shaft 4 drives a rotating disc 5 to rotate, the rotating disc 5 drives a telescopic rod 6 and a top detection block 7 to rotate, at the moment, a rotating laser emitter 23 is controlled by the controller 2 to emit laser, when the top detection block 7 rotates until the laser emitted by the rotating laser emitter 23 is aligned with a rotating laser receiver 21 at the central point of the positioning disc 8, the rotating wheel motor 3 is controlled to stop rotating, the top detection block 7 is static above the positioning disc 8, after the rotating laser receiver 21 receives a laser signal, a processor (not shown in the figure) starts a rotating motor (not shown in the figure) below the positioning disc 8, the rotating motor (not shown in the figure) drives the positioning disc 8 to rotate through a rotating shaft 10, after the positioning disc 8 rotates, the controller 2 controls the first positioning laser emitter 24 to emit laser, when the positioning laser receiver 22 beside the groove 19 on the positioning disc 8 receives a laser signal emitted by the first positioning laser emitter 24, the processor (not shown in the figure) controls the positioning disc 8 to stop rotating, at this time, the topmost part of the top head corresponds to the central axis of the annular detection area 15 in the top head detection block 7, the telescopic rod 6 is extended by controlling the controller 2, the top head detection block 7 starts to move downwards, after the top head detection block 7 completely accommodates the top head into the annular detection area 15, the telescopic rod 6 is stopped to be extended, the top head detection block is kept still, the controller 2 starts the motor 13 in the top head detection block 7, the motor 13 drives the transmission wheel 14 to rotate, the transmission wheel 14 enables the rotating part 16 to rotate around the central axis 17 of the annular detection area 15 through gear meshing, the annular detector 12 rotates along with the rotating part 16, the surface of the ejector is measured, data are transmitted to the terminal controller 2 to be analyzed, whether all data measured by the single annular detector 12 are consistent or not is judged to judge whether the ejector is subjected to failure such as steel sticking or cracking, after detection is finished, if the ejector does not have quality problems, the controller 2 controls the telescopic rod 6 to shrink, the ejector is driven to quickly return to the original position, the first ejector is still placed on the positioning disc 8, the rotary laser emitter 23 and the first positioning laser emitter 24 are closed while the telescopic rod 6 shrinks, interference on subsequent steps is prevented, after the ejector detection block 7 returns to the original position, the rotary laser emitter 23 is controlled to emit laser, and according to the steps, the second ejector to be detected is rotated to the fixed position to be detected. If after the first top detects, the discovery has the quality problem, then energize through the electro-magnet 18 in the controller 2 control detection piece, the preferred setting of electro-magnet 18 is at annular detection zone 15 top, produce magnetic field after electro-magnet 18 circular telegram, adsorb the top firmly in annular detection zone 15, then through controller 2 shrink telescopic link 6 again, bring the top back the normal position, later control runner motor 3 detects the piece 7 with the top and rotates to conveyer belt 9 top, extend telescopic link 6 again, detect the piece 7 with the top and fall to conveyer belt 9 surface, stop to give electro-magnet 18 circular telegram, 18 peripheral magnetic field of electro-magnet disappears, no longer produce the adsorption affinity to the top, the top drops to conveyer belt 9 surface from annular detection zone 15, telescopic link 6 contracts and detects the piece 7 with the top and brings the normal position back, the top is conveyed to the waste product district by conveyer belt 9. The beneficial effects of this scheme are that the automated inspection of top has been realized to realize automatic classification's effect.
Example 2
As shown in fig. 1 to 6, a detection and conveying device for a plug comprises a casing 1, a controller 2, a rotating wheel motor 3, a rotating wheel shaft 4, a rotating disc 5, an expansion link 6, a plug detection block 7, a positioning disc 8 and a conveying belt 9, wherein the rotating wheel motor 3 is arranged above the casing 1, the rotating wheel motor 3, the rotating wheel shaft 4, the rotating disc 5 and the expansion link are sequentially arranged from top to bottom, the expansion link is connected with the plug detection block 7, the positioning disc 8 and the conveying belt 9 are arranged below the plug detection block 7, the controller 2 controls the rotating wheel motor 3 to rotate and the expansion link 6 to expand and contract, the plug detection block 7 comprises an electromagnet 18, a rotating part 16, an annular detection area 15 and an annular detector 12, the electromagnet 18 is arranged on the upper part of the rotating part 16, the annular detection area 15 is arranged in the rotating part 16, the annular detector 12 is arranged on the annular detection area 15, a plurality of, the groove 19 is circular and is uniformly arranged at the edge of the positioning disc 8, the bottom end of the positioning disc 8 is provided with a rotating shaft 10 and a supporting block 11, the supporting block 11 is internally provided with a rotating motor (not shown), a power supply and a processor (not shown), the processor (not shown) controls the power supply of the rotating motor (not shown) to be turned on and off, the rotating motor (not shown) and the rotating shaft 10 are connected through a transmission device (not shown), the transmission device can be any one of the prior art, in the embodiment, a gear is used as the transmission device, the inner edge of the groove 19 is provided with an elastic pad 20, the elastic pad 20 is arranged for preventing the top head from falling off the positioning disc 8, the upper end of the top head detecting block 7 is provided with a rotating laser emitter 23, the lower end of the top head is provided with a first positioning laser emitter 24, the rotating laser emitter 23 is obliquely arranged at the upper end of the top head, the included angle between the laser emitter and the horizontal plane is 45-60 degrees, the first positioning laser emitter 24 is vertically arranged at the bottom of the detection block, the center of the positioning disc 8 is provided with a rotating laser receiver 21, the edges of the grooves 19 are provided with positioning laser receivers 22, the rotating laser receivers 21, the positioning laser receivers 22 and a processor (not shown in the figure) are electrically connected, the laser emitter further comprises a second positioning laser emitter 25, the second positioning laser emitter 25 is arranged by deflecting 15 degrees along the vertical direction towards the rotating direction of the rotating disc 5, the second positioning laser emitter 25 is arranged because the top of the positioning disc 8 can not be aligned with the central axis 17 of the annular detection area 15 due to inertia, when the positioning laser receiver 22 receives laser emitted by the first positioning laser emitter 24, although the processor (not shown in the figure) can control a rotating motor (not shown in the figure) to stop rotating, but positioning disk 8 can continue to rotate for a moment owing to inertia, results in the skew rotatory annular detection area 15 the central axis 17 of top, sets up second location laser emitter 25 and can make positioning disk 8 rotatory stop rotatory in advance before the fixed position, relies on inertia rotation to fixed position, second location laser emitter 25 can make positioning disk 8 static back along the setting of vertical direction to 15 degrees of the pivoted direction deflection of carousel 5, and the top is the minimum with the error that annular detector the central axis produced, top detects piece 7 and is two, and two tops detect the piece 7 the same structure, and two tops detect piece 7 and all are equipped with rotatory laser emitter 23 and first, second location laser emitter 25, and the purpose that sets up two tops and detect piece 7 is the detection efficiency that improves detection conveyor. The device also comprises an external power supply, and the external power supply is electrically connected with the controller 2, the rotating wheel motor 3, the telescopic rod 6, the top detection block 7, the rotating laser transmitter 23, the first positioning laser transmitter and the second positioning laser transmitter. The operation principle of the scheme is as follows: firstly, the top is arranged on a groove 19 of a positioning disc 8, an elastic pad 20 in the groove 19 plays a role of fixing, a controller 2 starts a rotating wheel motor 3, the rotating wheel motor 3 drives a rotating wheel rotating shaft 4 to rotate, the rotating wheel rotating shaft 4 drives a rotating disc 5 to rotate, the rotating disc 5 drives a telescopic rod 6 and two top detection blocks 7 to rotate, at the moment, a rotating laser emitter 23 on the two top detection blocks 7 is controlled by the controller 2 to emit laser, when one of the top detection blocks 7 rotates until the laser emitted by the rotating laser emitter 23 is aligned with a rotating laser receiver 21 at the central point of the positioning disc 8, the rotating wheel motor 3 is controlled to stop rotating, one of the top detection blocks 7 is stationary above the positioning disc 8, the other top detection block is stationary above a conveying belt 9, and after the rotating laser receiver 21 receives a laser signal, a processor (not shown in the figure) starts a rotating motor (not shown in the drawing) below the positioning disc 8, a rotating motor (not shown in the figure) drives a positioning disc 8 to rotate through a rotating shaft 10, after the positioning disc 8 rotates, a controller 2 controls a first positioning laser emitter 25 and a second positioning laser emitter 25 on a top detection block 7 above the positioning disc 8 to emit laser, a positioning laser receiver 22 beside a groove 19 on the positioning disc 8 receives a laser signal emitted by the second positioning laser emitter 25 first, a processor (not shown in the figure) controls the rotating motor (not shown in the figure) to stop rotating, at the moment, the positioning disc 8 continues to rotate due to inertia until the positioning laser receiver 22 can receive the laser signal emitted by the second positioning laser emitter 25, the rotation is stopped completely, at the moment, the top of the top corresponds to the central axis of an annular detection area 15 in the top detection block 7, an expansion link 6 extends through the control controller 2, and the top detection block 7 starts to move downwards, when the ejector is completely accommodated into the annular detection area 15 by the ejector detection block 7, the extension of the telescopic rod 6 is stopped, the ejector detection block is kept still, the motor 13 in the ejector detection block 7 is started through the controller 2, the motor 13 drives the transmission wheel 14 to rotate, the transmission wheel 14 enables the rotation part 16 to rotate around the central axis 17 of the annular detection area 15 through gear meshing, the annular detector 12 rotates along with the rotation part 16 to measure the distance of the surface of the ejector and transmit the data to the terminal controller 2 for analysis, whether the ejector fails such as steel sticking or cracking or not is judged by comparing whether all data measured by the single annular detector 12 are consistent, after the detection is finished, if the ejector does not have quality problems, the telescopic rod 6 is controlled to shrink through the controller 2 to drive the ejector to quickly return to the original position, the first ejector is still placed on the positioning disc 8, when the telescopic rod 6 shrinks, and closing the rotary laser transmitter 23 and the first positioning laser transmitter 24 to prevent interference on subsequent steps, controlling the rotary laser transmitter 23 to transmit laser after the plug detection block 7 returns to the original position, and rotating the second plug to be detected to a fixed position to detect according to the steps. If the quality problem is found after the first plug detection is finished, electrifying the electromagnet 18 in the plug detection block 7 above the positioning disc 8 through the controller 2, preferably arranging the electromagnet 18 at the top of the annular detection area 15, generating a magnetic field after electrifying the electromagnet 18, firmly adsorbing the plug in the annular detection area 15, then contracting the telescopic rod 6 through the controller 2 to bring the plug back to the original position, closing the rotary laser emitter 23 and the first and second positioning laser emitters 25 in the process of bringing back to the original position, then controlling the rotating wheel motor 3 to rotate the two plug detection blocks 7, reopening the rotary laser emitters 23 on the two plug detection blocks 7 in the rotating process, rotating the plug detection block 7 with the plug inside towards the conveying belt 9, and rotating the plug detection block 7 without the plug inside towards the positioning disc 8, when the inside top that does not have the top detects piece 7 and rotates to the rotatory laser receiver 21 on the positioning disk 8 of the laser alignment that rotatory laser emitter 23 transmitted, stop rotatory two tops and detect piece 7, two tops keep static above positioning disk 8 and conveyer belt 9 respectively, later descend together, the top that positioning disk 8 top detects piece 7 begins to detect the second top that awaits measuring, and the top that conveyer belt 9 top detects piece 7 stops to the electro-magnet 18 circular telegram of inside, the top drops to conveyer belt 9 surface, convey to the waste product district by conveyer belt 9. The beneficial effects of this scheme are that 1, guaranteed that the top detects time measuring, the top can be in same axis with annular detection zone 15 department, improved the rate of accuracy that detects, 2 the work efficiency of top automated inspection transport has been promoted.

Claims (8)

1. The detection and conveying device for the ejector is characterized by comprising a shell (1), a controller (2), a rotating wheel motor (3), a rotating wheel rotating shaft (4), a rotating disc (5), a telescopic rod (6), an ejector detection block (7), a positioning disc (8) and a conveying belt (9), wherein the rotating wheel motor (3) is arranged above the shell (1), the rotating wheel motor (3), the rotating wheel rotating shaft (4), the rotating disc (5) and a contraction rod are sequentially arranged from top to bottom, the contraction rod is connected with the ejector detection block (7), the positioning disc (8) and the conveying belt (9) are arranged below the ejector detection block (7), and the controller (2) controls the rotating wheel motor (3) to rotate and the telescopic rod (6) to stretch.
2. The inspection and delivery apparatus for the plug according to claim 1, wherein: the plug detection block (7) comprises an electromagnet (18), a rotating part (16), an annular detection area (15) and an annular detector (12), wherein the electromagnet (18) is arranged on the upper part of the rotating part (16), the annular detection area (15) is arranged in the rotating part (16), and the annular detector (12) is arranged on the annular detection area (15).
3. The inspection and delivery apparatus for the plug according to claim 2, wherein: the positioning disc (8) is provided with a plurality of grooves (19), the grooves (19) are circular and evenly arranged on the edge of the positioning disc (8), the bottom end of the positioning disc (8) is provided with a rotating shaft (10) and a supporting block (11), a rotating motor is arranged in the supporting block (11), and the rotating motor is connected with the rotating shaft (10).
4. The inspection and delivery apparatus for the plug according to claim 3, wherein: the inner edge of the groove (19) is provided with an elastic pad (20).
5. The inspection and delivery apparatus for the plug according to claim 3, wherein: the upper end of the top detection block (7) is provided with a rotary laser transmitter (23), and the lower end is provided with a first positioning laser transmitter (24).
6. The inspection and delivery apparatus for the plug according to claim 5, wherein: the center of the positioning disc (8) is provided with a rotary laser receiver (21), and the edges of the grooves (19) are provided with positioning laser receivers (22).
7. The inspection and delivery apparatus for the plug according to claim 6, wherein: the device is characterized by further comprising a second positioning laser transmitter (25), wherein the second positioning laser transmitter (25) is arranged to deflect 15 degrees in the direction of rotation of the rotary disc (5) along the vertical direction.
8. The inspection and delivery apparatus for the plug according to claim 7, wherein: the two ejection head detection blocks (7) are identical in structure.
CN201922138814.2U 2019-12-04 2019-12-04 Detection conveying device for ejector Active CN211538989U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922138814.2U CN211538989U (en) 2019-12-04 2019-12-04 Detection conveying device for ejector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922138814.2U CN211538989U (en) 2019-12-04 2019-12-04 Detection conveying device for ejector

Publications (1)

Publication Number Publication Date
CN211538989U true CN211538989U (en) 2020-09-22

Family

ID=72503401

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922138814.2U Active CN211538989U (en) 2019-12-04 2019-12-04 Detection conveying device for ejector

Country Status (1)

Country Link
CN (1) CN211538989U (en)

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Effective date of registration: 20220217

Address after: 214500 No. 100, Xingye Road, Chengnan Park, Jingjiang City, Taizhou City, Jiangsu Province

Patentee after: Jiangsu Langrui Precision Forging Co.,Ltd.

Address before: 225300 south of Chenzhuang road and east of Keji Avenue, Jiangyan Economic Development Zone, Taizhou City, Jiangsu Province

Patentee before: Langrui (Taizhou) metal tools Co.,Ltd.