CN101817447A - Device for automatically discharging and conveying steel balls - Google Patents

Device for automatically discharging and conveying steel balls Download PDF

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Publication number
CN101817447A
CN101817447A CN201010023110A CN201010023110A CN101817447A CN 101817447 A CN101817447 A CN 101817447A CN 201010023110 A CN201010023110 A CN 201010023110A CN 201010023110 A CN201010023110 A CN 201010023110A CN 101817447 A CN101817447 A CN 101817447A
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CN
China
Prior art keywords
washboard
hole
cylinder
block
discharging
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.)
Granted
Application number
CN201010023110A
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Chinese (zh)
Other versions
CN101817447B (en
Inventor
谈士力
苏建良
刘宗阳
沈立红
王阳明
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.)
Shanghai Ke Lai electromechanical automatic Engineering stock Co., Ltd
Original Assignee
SHANGHAI KELAI ELECTROMECHANICAL AUTOMATION ENGINEERING Co Ltd
Shanghai Shu Kelai Automation Engineering Co Ltd
University of Shanghai for Science and Technology
Priority date (The priority date 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 date listed.)
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Application filed by SHANGHAI KELAI ELECTROMECHANICAL AUTOMATION ENGINEERING Co Ltd, Shanghai Shu Kelai Automation Engineering Co Ltd, University of Shanghai for Science and Technology filed Critical SHANGHAI KELAI ELECTROMECHANICAL AUTOMATION ENGINEERING Co Ltd
Priority to CN2010100231101A priority Critical patent/CN101817447B/en
Publication of CN101817447A publication Critical patent/CN101817447A/en
Application granted granted Critical
Publication of CN101817447B publication Critical patent/CN101817447B/en
Expired - Fee Related legal-status Critical Current
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Abstract

The invention relates to a device for automatically discharging and conveying steel balls. The device comprises a vertical mounting plate vertically and fixedly mounted on a bottom plate; a feed mechanism, a material-separating mechanism, a blanking mechanism and a discharging mechanism which are sequentially mounted on the vertical mounting plate from top to bottom; and a fiber-optical probe is arranged on a steel ball channel of the material-separating mechanism. Conveyed steel balls are input from the feed mechanism, divided into the number of predetermined batches through the material-separating mechanism and then output through the blanking mechanism and the discharging mechanism, and after the number of each batch of the steel balls is detected by the fiber-optical probe, the conveying of the material-separating mechanism to the blanking mechanism is controlled by a control system. The invention has simple structure and high conveying efficiency and can convey various kinds of steel balls.

Description

Device for automatically discharging and conveying steel balls
Technical field
Patent of the present invention relates to a kind of device for automatically discharging and conveying steel balls of controllable number.
Background technology
Steel ball in bearing manufacturing enterprise, automobile slideway manufacturing enterprise is carried to install and is adopted manual work or automatic semi-automatic single steel ball mode of movement mostly, and operating efficiency is low.Full automaticity discharge conveying to many kinds of different size steel ball does not also have relevant successful case.
Summary of the invention
The objective of the invention is to defective, a kind of device for automatically discharging and conveying steel balls is provided at prior art, simple in structure, transport efficiency is high, can carry many kinds steel ball.
For achieving the above object, design of the present invention is: device of the present invention has feed nozzle to be connected by screw thread and feed block, is connected with a plurality of feed nozzles on feed block, respectively the steel ball of corresponding different size; Feed block and perpendicular adapter plate are connected by bolt, and offer the steel ball access opening, are connected with feed nozzle; The sliding shoe of distribution block and the little cylinder of distribution block is connected by bolt, and offers a steel ball access opening, and the height of distribution block can just satisfy the steel ball of setting quantity, and distribution block can be slided in the middle of feed block and blanking piece flexibly; Blanking piece and perpendicular adapter plate are connected by bolt, and offer two steel ball access openings, and the height of blanking piece can just satisfy the steel ball of setting quantity; Last washboard and last washboard cylinder sliding shoe are connected by bolt, and last washboard can slide about between blanking piece and the following washboard flexibly; Following washboard is connected by bolt with following washboard contiguous block, and following washboard can slide front and back between last washboard and discharging piece flexibly; Discharging piece and perpendicular adapter plate are connected by bolt; The discharging mouth is connected by screw thread and discharging piece; Last washboard cylinder block and last washboard cylinder block are connected by bolt; Last washboard cylinder block and base plate can be crossed bolt and be connected; Following washboard cylinder block is connected by bolt with following washboard cylinder block; The floating junction front end is connected by screw thread and following washboard contiguous block, and the floating junction rear end is connected by screw thread and following washboard cylinder piston rod; Following washboard cylinder block is connected by bolt and perpendicular adapter plate; The big cylinder mounting plate of distribution block is by being bolted on the perpendicular adapter plate; Big cylinder block of distribution block and the big cylinder mounting plate of distribution block are connected by bolt; The big cylinder slide block of little cylinder mounting plate of distribution block and distribution block is connected by bolt; Little cylinder block of distribution block and the little cylinder mounting plate of distribution block are connected by bolt; Perpendicular adapter plate and base plate are connected by bolt; Structure of fiber_optic and perpendicular adapter plate are connected by bolt; Optical fiber is connected on the structure of fiber_optic by screw thread.
Motion flow: cylinder virgin state: go up the indentation of washboard cylinder, the indentation of following washboard cylinder, the big cylinder indentation of distribution block, the stingy cylinder indentation of distribution block feed nozzle, feed block, distribution block, blanking piece, last washboard, following washboard, discharging piece, discharging mouth aperture only allow single steel ball to pass through; The thickness of last washboard, following washboard can only hold a steel ball; The height of distribution block, blanking piece can hold sets quantity (6) steel ball; Last washboard, following washboard, discharging piece have front-seat six holes and six holes of row, back respectively, are furnished with a discharging mouth on each hole of discharging piece.
Steel ball enters from feed nozzle, in the feed block hole, pile up, the big cylinder of distribution block stretches out, align with position, discharging piece hole in position, distribution block hole, steel ball in the feed block falls into distribution block, and when steel ball falls to expiring distribution block (6 steel balls are arranged in the distribution block), optical fiber sends steel ball and falls to expiring signal, the little cylinder of distribution block stretches out, and a steel ball falls into the preceding round of blanking piece; The stingy cylinder indentation of distribution block, align with position, discharging piece hole once more in position, distribution block hole, and the steel ball in the discharging piece falls into distribution block, and when steel ball fell full distribution block, optical fiber sent the steel ball full signal that falls, the big cylinder indentation of distribution block, steel ball falls into round behind the blanking piece.
Last washboard cylinder stretches out, and 12 steel balls in the blanking piece fall into two rounds of washboard, and following washboard cylinder stretches out, and the steel ball in the last washboard falls into down in the washboard, the indentation of following washboard cylinder, and the steel ball in the following washboard falls the discharging piece, drops out from the discharging mouth.
According to the foregoing invention design, the present invention adopts following technical proposals:
A kind of device for automatically discharging and conveying steel balls, comprise perpendicular adapter plate of vertical installation on the base plate, it is characterized in that on perpendicular adapter plate, a feeding mechanism, a feeding distribution mechanism, a blanking mechanism and a discharging mechanism being installed successively from top to bottom, on the steel ball passage of feeding distribution mechanism, be provided with fibre-optical probe; Be transferred steel ball and enter, after feeding distribution mechanism is divided into predetermined lot number amount, export through blanking mechanism and discharging mechanism again from feeding mechanism.The quantity of every batch of steel ball is surveyed by fibre-optical probe after control system is controlled the conveying of feeding distribution mechanism to blanking mechanism.
Above-mentioned feeding mechanism is: in the feed block that is fixed on the perpendicular adapter plate vertical through hole is arranged one, hole, many fork roads is arranged at the top of this vertical through hole, on each fork hole, road, respectively connect a feed nozzle, each feed nozzle aperture difference, the steel ball of corresponding different size respectively by screw thread; The outlet of described vertical through hole connects feeding distribution mechanism.
Above-mentioned feeding distribution mechanism is: the end face of a distribution block cooperates with the bottom surface horizontal slip of described feed block, distribution block has the vertical through hole of a vertical through hole and feed block to be on the same longitudinal plane of symmetry, described distribution block trailing flank installs and fixes the sliding shoe that connects a little cylinder of sub-material, the little cylinder of this sub-material is fixedly mounted on the little cylinder mounting plate of distribution block, the little cylinder mounting plate of distribution block is captiveed joint with the sliding shoe of a big cylinder of distribution block, and the big cylinder of this distribution block is by the described perpendicular adapter plate of the big cylinder mounting plate captive joint of distribution block; The outlet of the vertical through hole of described distribution block connects described blanking mechanism; The height of distribution block just satisfies loads the steel ball of setting quantity.
Above-mentioned blanking mechanism is: a blanking piece that is fixed on the described perpendicular adapter plate, and its end face and described distribution block bottom surface are slippery, and its bottom surface and an end face of going up washboard are slippery, and last washboard and the overlapping cunning of following washboard are joined; Last washboard is connected with a sliding shoe of going up the washboard cylinder, and last washboard cylinder is captiveed joint with described base plate by last washboard cylinder mount pad; Following washboard passes through a following washboard contiguous block is connected a following washboard cylinder with a floating junction piston rod, and following washboard cylinder passes through the described perpendicular adapter plate of washboard cylinder block captive joint down; On described blanking piece, last washboard and the following washboard two vertical through hole that are on the same longitudinal plane of symmetry are arranged, the vertical through hole outlet of following washboard connects described discharging mechanism; The blanking tile height just satisfies loads the steel ball of setting quantity.
Above-mentioned discharging mechanism is: a discharging piece is fixedly mounted on the described perpendicular adapter plate, and its end face and described down washboard bottom surface cunning are joined, and two vertical through hole are arranged on the discharging piece longitudinal plane of symmetry, and the outlet of two vertical through hole is by the screw thread discharging mouth that respectively spins.
The present invention has following conspicuous high-lighting characteristics and remarkable advantage compared with prior art:
1. discharge is carried when having realized many steel balls, the height of transport efficiency successively of more single steel ball.And can set the steel ball number of discharge conveying simultaneously arbitrarily by the height that changes distribution block, blanking piece.
2. by a plurality of feed nozzles are set, can realize that the discharge of multiple close specification steel ball is carried on feed block.For the steel ball that prevents different size mixes meat and fish dishes, be provided with one with the ball detecting sensor, only in the steel ball passage of feed block, do not have just can remodel under the situation of steel ball.
Description of drawings:
Fig. 1 is the structural representation of one embodiment of the present of invention
Fig. 2 is an A-A place cutaway view among Fig. 1
Fig. 3 is the oblique drawing of Fig. 1
The specific embodiment:
The preferred embodiments of the present invention accompanying drawings is as follows:
Embodiment one: referring to Fig. 1, Fig. 2, Fig. 3, this device for automatically discharging and conveying steel balls, comprise perpendicular adapter plate 20 of vertical installation on the base plate 11, it is characterized in that on perpendicular adapter plate 20, installing successively from top to bottom a feeding mechanism 23, feeding distribution mechanism 24, a blanking mechanism 25 and a discharging mechanism 26, on the steel ball passage of feeding distribution mechanism 24, be provided with fibre-optical probe 22; Be transferred steel ball and enter, after feeding distribution mechanism 24 is divided into predetermined lot number amount, export through blanking mechanism 25 and discharging mechanism 26 again from feeding mechanism 23.The quantity of every batch of steel ball is surveyed by fibre-optical probe after the conveying of 24 pairs of blanking mechanisms 25 of control system control feeding distribution mechanism.
Embodiment two: present embodiment and embodiment one are basic identical, special feature is as follows: described feeding mechanism 23 is: in the feed block 2 that is fixed on the perpendicular adapter plate 20 vertical through hole is arranged one, hole, many fork roads is arranged at the top of this vertical through hole, on each fork hole, road, respectively connect a feed nozzle 1 by screw thread, each feed nozzle 1 aperture difference, the steel ball of corresponding different size respectively; The outlet of described vertical through hole connects feeding distribution mechanism 24.
Described feeding distribution mechanism 24 is: the end face of a distribution block 3 cooperates with the bottom surface horizontal slip of described feed block 2, distribution block 3 has the vertical through hole of a vertical through hole and feed block 2 to be on the same longitudinal plane of symmetry, described distribution block 3 trailing flanks install and fix the sliding shoe that connects a stingy cylinder 19 of sub-material, the stingy cylinder 19 of this sub-material is fixedly mounted on the little cylinder mounting plate 18 of distribution block, the little cylinder mounting plate 18 of distribution block is captiveed joint with the sliding shoe of a big cylinder 17 of distribution block, and the big cylinder 17 of this distribution block is by the described perpendicular adapter plate 20 of big cylinder mounting plate 16 captive joints of distribution block; The outlet of the vertical through hole of described distribution block 3 connects described blanking mechanism 25; The height of distribution block 3 just satisfies loads the steel ball of setting quantity.
Described blanking mechanism 25 is: a blanking piece 4 that is fixed on the described perpendicular adapter plate 20, and its end face and described distribution block 3 bottom surfaces are slippery, and its bottom surface and an end face of going up washboard 5 are slippery, and last washboard 5 and following washboard 6 overlapping cunnings are joined; Last washboard 5 is connected with a sliding shoe of going up washboard cylinder 9, and last washboard cylinder 9 is captiveed joint with described base plate 11 by last washboard cylinder mount pad 10; Following washboard 6 passes through a following washboard contiguous block 15 is connected a following washboard cylinder 12 with a floating junction 13 piston rod, and following washboard cylinder 12 passes through the described perpendicular adapter plate 20 of washboard cylinder block 14 captive joints down; On described blanking piece 4, last washboard 5 and the following washboard 6 two vertical through hole that are on the same longitudinal plane of symmetry are arranged, the vertical through hole outlet of following washboard 6 connects described discharging mechanism 26; Blanking piece 4 highly just satisfies loads the steel ball of setting quantity.
Described discharging mechanism 26 is: a discharging piece 7 is fixedly mounted on the described perpendicular adapter plate 20, and its end face and described down washboard 6 bottom surface cunnings are joined, and two vertical through hole are arranged on discharging piece 7 longitudinal plane of symmetrys, and the outlet of two vertical through hole is by the screw thread discharging mouth 8 that respectively spins.
Described fibre-optical probe 22 is fixedly mounted on by erecting frame 21 on the distribution block 3 of feeding distribution mechanism 24, the vertical through hole of alignment probe distribution block 3.

Claims (5)

1. device for automatically discharging and conveying steel balls, comprise the upward vertical perpendicular adapter plate (20) of installing of a base plate (11), it is characterized in that a feeding mechanism (23), a feeding distribution mechanism (24), a blanking mechanism (25) and a discharging mechanism (26) are installed on perpendicular adapter plate (20) from top to bottom successively, on the steel ball passage of feeding distribution mechanism (24), be provided with fibre-optical probe (22); Be transferred steel ball and enter, after feeding distribution mechanism (24) is divided into predetermined lot number amount, export through blanking mechanism (25) and discharging mechanism (26) again from feeding mechanism (23).The quantity of every batch of steel ball is surveyed by fibre-optical probe after control system is controlled the conveying of feeding distribution mechanism (24) to blanking mechanism (25).
2. device for automatically discharging and conveying steel balls according to claim 1, it is characterized in that described feeding mechanism (23) is: in the feed block (2) that is fixed on the perpendicular adapter plate (20) vertical through hole is arranged one, hole, many fork roads is arranged at the top of this vertical through hole, on each fork hole, road, respectively connect a feed nozzle (1) by screw thread, each feed nozzle (1) aperture difference, the steel ball of corresponding different size respectively; The outlet of described vertical through hole connects feeding distribution mechanism (24).
3. device for automatically discharging and conveying steel balls according to claim 2, it is characterized in that described feeding distribution mechanism (24) is: the end face of a distribution block (3) cooperates with the bottom surface horizontal slip of described feed block (2), distribution block (3) has the vertical through hole of a vertical through hole and feed block (2) to be on the same longitudinal plane of symmetry, described distribution block (3) trailing flank installs and fixes the sliding shoe that connects a little cylinder of sub-material (19), the little cylinder of this sub-material (19) is fixedly mounted on the little cylinder mounting plate of distribution block (18), the little cylinder mounting plate of distribution block (18) is captiveed joint with the sliding shoe of a big cylinder of distribution block (17), and the big cylinder of this distribution block (17) is by a big cylinder mounting plate of distribution block (16) the described perpendicular adapter plate of captive joint (20); The outlet of the vertical through hole of described distribution block (3) connects described blanking mechanism (25); The height of distribution block (3) just satisfies loads the steel ball of setting quantity.
4. device for automatically discharging and conveying steel balls according to claim 3, it is characterized in that described blanking mechanism (25) is: a blanking piece (4) that is fixed on the described perpendicular adapter plate (20), its end face and described distribution block (3) bottom surface are slippery, its bottom surface and an end face of going up washboard (5) are slippery, and last washboard (5) is joined with the overlapping cunning of a following washboard (6); Last washboard (5) is connected with a sliding shoe of going up washboard cylinder (9), and last washboard cylinder (9) is captiveed joint with described base plate (11) by last washboard cylinder mount pad (10); Following washboard (6) passes through a following washboard contiguous block (15) is connected a following washboard cylinder (12) with a floating junction (13) piston rod, and following washboard cylinder (12) passes through washboard cylinder block (14) the described perpendicular adapter plate of captive joint (20) down; On described blanking piece (4), last washboard (5) and the following washboard (6) two vertical through hole that are on the same longitudinal plane of symmetry are arranged, the vertical through hole outlet of following washboard (6) connects described discharging mechanism (26); Blanking piece (4) highly just satisfies loads the steel ball of setting quantity.
5. device for automatically discharging and conveying steel balls according to claim 4, it is characterized in that described discharging mechanism (26) is: a discharging piece (7) is fixedly mounted on the described perpendicular adapter plate (20), its end face and described washboard (6) bottom surface cunning are down joined, on discharging piece (7) longitudinal plane of symmetry two vertical through hole are arranged, the outlet of two vertical through hole is by the screw thread discharging mouth (8) that respectively spins.
CN2010100231101A 2010-01-21 2010-01-21 Device for automatically discharging and conveying steel balls Expired - Fee Related CN101817447B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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CN101817447B CN101817447B (en) 2012-05-02

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Cited By (15)

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Publication number Priority date Publication date Assignee Title
CN102674000A (en) * 2012-05-28 2012-09-19 黄从武 Material uniformizing blanking device
CN103287844A (en) * 2013-06-03 2013-09-11 无锡明珠钢球有限公司 Steel ball feeding machine
CN103341746A (en) * 2013-06-06 2013-10-09 南通鹏翼精密机械有限公司 Steel-ball separation device
CN103419287A (en) * 2013-05-03 2013-12-04 老河口市慈航机械制造有限公司 Automatic punch for ball
CN104340667A (en) * 2014-10-06 2015-02-11 林允杜 Novel material distribution mechanism
CN104876023A (en) * 2015-06-12 2015-09-02 苏州托克斯冲压设备有限公司 Device for detecting and mounting steel balls for retainer
CN105775712A (en) * 2016-05-20 2016-07-20 四川海力智能科技股份有限公司 Vertical shaft feeder convenient to charge for diaphragm gas meters
CN105775713A (en) * 2016-05-20 2016-07-20 四川海力智能科技股份有限公司 Membrane type gas meter vertical shaft feeding device
CN106044167A (en) * 2016-06-28 2016-10-26 江苏东旭亿泰智能装备有限公司 Automatic steel ball loading machine for cutter film-coating fixture
CN106425657A (en) * 2016-10-21 2017-02-22 芜湖安普机器人产业技术研究院有限公司 Plunger-shaped multi-channel material distributing device
CN108058007A (en) * 2017-12-29 2018-05-22 杭州高品自动化设备有限公司 A kind of steel ball strainer assemble mechanism
CN108381163A (en) * 2018-02-05 2018-08-10 嘉兴泛欧自动化设备有限公司 Full automatic planar bearing assembly machine
CN108726161A (en) * 2018-08-22 2018-11-02 清华大学 A kind of class valve for globular material
CN108772695A (en) * 2018-06-15 2018-11-09 金兆联 A kind of nib closing-up machine
CN111230461A (en) * 2020-01-19 2020-06-05 王小强 Bearing assembling device capable of automatically assembling balls

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CN102785930A (en) * 2012-07-23 2012-11-21 吴江市金澜机械制造有限公司 Steel ball throwing device

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Cited By (26)

* Cited by examiner, † Cited by third party
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CN102674000B (en) * 2012-05-28 2015-08-26 黄从武 Refining unloader
CN102674000A (en) * 2012-05-28 2012-09-19 黄从武 Material uniformizing blanking device
CN103419287A (en) * 2013-05-03 2013-12-04 老河口市慈航机械制造有限公司 Automatic punch for ball
CN103419287B (en) * 2013-05-03 2016-02-03 老河口市慈航机械制造有限公司 Automatic punch for ball
CN103287844B (en) * 2013-06-03 2016-05-11 无锡明珠钢球有限公司 A kind of steel ball feeder
CN103287844A (en) * 2013-06-03 2013-09-11 无锡明珠钢球有限公司 Steel ball feeding machine
CN103341746B (en) * 2013-06-06 2015-04-29 南通广野自动化系统工程有限公司 Steel-ball separation device
CN103341746A (en) * 2013-06-06 2013-10-09 南通鹏翼精密机械有限公司 Steel-ball separation device
CN104340667A (en) * 2014-10-06 2015-02-11 林允杜 Novel material distribution mechanism
CN104876023A (en) * 2015-06-12 2015-09-02 苏州托克斯冲压设备有限公司 Device for detecting and mounting steel balls for retainer
CN104876023B (en) * 2015-06-12 2017-03-01 苏州托克斯冲压设备有限公司 The steel ball detection erecting device of retainer
CN105775712B (en) * 2016-05-20 2018-07-27 四川海力智能科技股份有限公司 Convenient for the diaphragm gas meter vertical shaft feed device of charging
CN105775712A (en) * 2016-05-20 2016-07-20 四川海力智能科技股份有限公司 Vertical shaft feeder convenient to charge for diaphragm gas meters
CN105775713A (en) * 2016-05-20 2016-07-20 四川海力智能科技股份有限公司 Membrane type gas meter vertical shaft feeding device
CN105775713B (en) * 2016-05-20 2018-10-23 四川海力智能科技股份有限公司 Diaphragm gas meter vertical shaft feed device
CN106044167A (en) * 2016-06-28 2016-10-26 江苏东旭亿泰智能装备有限公司 Automatic steel ball loading machine for cutter film-coating fixture
CN106044167B (en) * 2016-06-28 2018-07-31 江苏东旭亿泰智能装备有限公司 Steel ball automatic filling machine for cutter film coating jig
CN106425657B (en) * 2016-10-21 2018-08-14 芜湖安普机器人产业技术研究院有限公司 A kind of plunger shape multichannel feeding-distribution device
CN106425657A (en) * 2016-10-21 2017-02-22 芜湖安普机器人产业技术研究院有限公司 Plunger-shaped multi-channel material distributing device
CN108058007A (en) * 2017-12-29 2018-05-22 杭州高品自动化设备有限公司 A kind of steel ball strainer assemble mechanism
CN108058007B (en) * 2017-12-29 2023-08-15 杭州高品自动化设备有限公司 Steel ball filter screen assembly devices
CN108381163A (en) * 2018-02-05 2018-08-10 嘉兴泛欧自动化设备有限公司 Full automatic planar bearing assembly machine
CN108772695A (en) * 2018-06-15 2018-11-09 金兆联 A kind of nib closing-up machine
CN108726161A (en) * 2018-08-22 2018-11-02 清华大学 A kind of class valve for globular material
CN111230461A (en) * 2020-01-19 2020-06-05 王小强 Bearing assembling device capable of automatically assembling balls
CN111230461B (en) * 2020-01-19 2021-11-05 黄石人本轴承有限公司 Bearing assembling device capable of automatically assembling balls

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Patentee before: Shanghai Kelai Electromechanical Automation Engineering Co., Ltd.

C56 Change in the name or address of the patentee
CP01 Change in the name or title of a patent holder

Address after: 200444 Baoshan District Road, Shanghai, No. 99

Patentee after: Shanghai University

Patentee after: Shanghai Ke Lai electromechanical automatic Engineering stock Co., Ltd

Address before: 200444 Baoshan District Road, Shanghai, No. 99

Patentee before: Shanghai University

Patentee before: Shanghai Kelai Electromechanical Automation Engineering Co., Ltd.

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: 20120502

Termination date: 20190121