CN108466998A - A kind of pressing device - Google Patents

A kind of pressing device Download PDF

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Publication number
CN108466998A
CN108466998A CN201810276628.2A CN201810276628A CN108466998A CN 108466998 A CN108466998 A CN 108466998A CN 201810276628 A CN201810276628 A CN 201810276628A CN 108466998 A CN108466998 A CN 108466998A
Authority
CN
China
Prior art keywords
fixed
support plate
calvus
telescopic rod
plate
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
CN201810276628.2A
Other languages
Chinese (zh)
Other versions
CN108466998B (en
Inventor
叶嘉维
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.)
Zhang Fuqian
Original Assignee
Zhongshan Guangyi Automation Equipment Co Ltd
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.)
Filing date
Publication date
Application filed by Zhongshan Guangyi Automation Equipment Co Ltd filed Critical Zhongshan Guangyi Automation Equipment Co Ltd
Priority to CN201810276628.2A priority Critical patent/CN108466998B/en
Publication of CN108466998A publication Critical patent/CN108466998A/en
Application granted granted Critical
Publication of CN108466998B publication Critical patent/CN108466998B/en
Active legal-status Critical Current
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B67OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67BAPPLYING CLOSURE MEMBERS TO BOTTLES JARS, OR SIMILAR CONTAINERS; OPENING CLOSED CONTAINERS
    • B67B3/00Closing bottles, jars or similar containers by applying caps
    • B67B3/26Applications of control, warning, or safety devices in capping machinery
    • B67B3/262Devices for controlling the caps
    • B67B3/264Devices for controlling the caps positioning of the caps
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B67OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67BAPPLYING CLOSURE MEMBERS TO BOTTLES JARS, OR SIMILAR CONTAINERS; OPENING CLOSED CONTAINERS
    • B67B3/00Closing bottles, jars or similar containers by applying caps
    • B67B3/02Closing bottles, jars or similar containers by applying caps by applying flanged caps, e.g. crown caps, and securing by deformation of flanges
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B67OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67BAPPLYING CLOSURE MEMBERS TO BOTTLES JARS, OR SIMILAR CONTAINERS; OPENING CLOSED CONTAINERS
    • B67B3/00Closing bottles, jars or similar containers by applying caps
    • B67B3/26Applications of control, warning, or safety devices in capping machinery
    • B67B3/262Devices for controlling the caps
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B67OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67BAPPLYING CLOSURE MEMBERS TO BOTTLES JARS, OR SIMILAR CONTAINERS; OPENING CLOSED CONTAINERS
    • B67B2201/00Indexing codes relating to constructional features of closing machines
    • B67B2201/06Details of cap feeding devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Devices For Opening Bottles Or Cans (AREA)
  • Manipulator (AREA)

Abstract

The present invention discloses a kind of pressing device, including the second support plate, the centre position of second support plate lower surface is fixedly connected with the upper end of telescopic rod, the lower end of telescopic rod is fixedly connected with the centre position of the first support plate upper surface, spring is socketed on telescopic rod, it is fixed with limiting device on front side of second support plate lower surface, the centre position of first support plate lower surface is fixed with electric sucking disc, the centre position of second support plate upper surface is fixedly connected with the lower end of electric telescopic rod, the upper end of electric telescopic rod is fixedly connected with the lower surface of movable block, telescopic rod and spring make bottle cap and bottle upper end flexible contact, bottle cap is not easy to be pressed damage, it ensure that manufacturing schedule;It shrinks that bottle cap is made gradually to position to center using multiple calvus, PLC controller moves setpoint distance by jogging switches measurement to rubber pad, and PLC controller control electric sucking disc is stopped, and bottle cap pressing is easy to detect and simple in structure.

Description

A kind of pressing device
Technical field
The present invention relates to Mask Technique field, more particularly to a kind of pressing device.
Background technology
Existing Mask Technique, it is most of to use automatic capping machine, gland is realized using vertical compression bonding method.Crimping is rigid Property contact, bottle cap is susceptible to the case where being pressed damage, influences manufacturing schedule, causes the waste of bottle cap, and to bottle cap into When row gripping, often causes gland deviation occur because position is not yet aligned, the course of work is hindered.
So existing pressing device needs further to improve.
Invention content
Place that purpose of the invention is to overcome the shortcomings in the prior art, provides a kind of pressing device.
In order to achieve the above object, the present invention uses following scheme:
A kind of pressing device, including the second support plate, it is characterised in that the centre position of second support plate lower surface and stretch The upper end of contracting bar is fixedly connected, and the lower end of telescopic rod is fixedly connected with the centre position of the first support plate upper surface, is covered on telescopic rod It is connected to spring, limiting device is fixed on front side of the second support plate lower surface, the centre position of the first support plate lower surface is fixed with electricity Dynamic sucker, the centre position of the second support plate upper surface are fixedly connected with the lower end of electric telescopic rod, the upper end of electric telescopic rod and The lower surface of movable block is fixedly connected, and the screw hole on the movable block is connected with screw flight, the left end of screw rod and bearing it is interior Ring is fixedly connected, and bearing is fixed on the right side of left side fixed plate by mounting base, and the left side of left side fixed plate is fixed on outside On the fixed frame of side, the right end of screw rod is connected with the output shaft of stepper motor by shaft coupling, and stepper motor is fixed by mounting base The left side of fixed plate on right side, the right side of right side fixed plate are fixed on outer fixed frame, the right side of left side fixed plate The first guide rail is fixed between the left side of right side fixed plate, the slide opening on the first guide rail and movable block is slidably connected, and second PLC controller, the output end electrical connection of the input terminal and external power supply of PLC controller, PLC are fixed on front side of support plate upper surface Input terminal of the output end of controller respectively with the input terminal of stepper motor, the input terminal of electric telescopic rod and electric sucking disc is electrically connected It connects.
A kind of pressing device as described above, it is characterised in that in the quantity of first guide rail be two, and two the One guide rail is symmetrical in the front and rear sides of screw rod.
A kind of pressing device as described above, it is characterised in that in the limiting device include casing, the upper end of casing and It is fixedly connected on front side of second support plate lower surface, the top of internal surface of sleeve pipe and positioning screw is threadedly coupled, the lower end of positioning screw It is fixed with rubber pad.
A kind of pressing device as described above, it is characterised in that be fixed with fine motion on front side of first support plate upper surface Switch, microswitch are located at the underface of limiting device, the output end of microswitch and the input terminal electrical connection of PLC controller.
A kind of pressing device as described above, it is characterised in that corresponding with movable block in the right side of the left side fixed plate It is fixed with infrared distance sensor, the output end of infrared distance sensor and the input terminal electrical connection of PLC controller.
A kind of pressing device as described above, it is characterised in that be arranged with energy between the electric sucking disc and the first support plate Up and down calvus constriction plate is installed with push-rod electric machine between calvus constriction plate upper surface and the first support plate lower wall surface, It is equipped with the calvus retraction slot that multiple uniform rings are set in the calvus constriction plate, multiple uniform rings are equipped on the electric sucking disc If calvus loose slot, the calvus loose slot and calvus shrink groove location and correspond to, be equipped in calvus loose slot can outward or Inside movable calvus is equipped with spring solid plate in calvus loose slot side, is set between the spring solid plate and calvus inner wall There is spring, the calvus top, which is worn, to be connected in calvus retraction slot.
In conclusion advantage is the present invention compared with the existing technology:
The configuration of the present invention is simple, easy to use, telescopic rod and spring make bottle cap and bottle upper end flexible contact, and bottle cap is not It easily is pressed damage, ensure that manufacturing schedule;It is shunk using multiple calvus to make bottle cap gradually position to center, PLC Controller moves setpoint distance by jogging switches measurement to rubber pad, and PLC controller control electric sucking disc is stopped, bottle cap Overlap checking is convenient and simple in structure.
Description of the drawings
Fig. 1 is the stereoscopic schematic diagram of the present invention.
Specific implementation mode
The invention will be further described with specific implementation mode for explanation below in conjunction with the accompanying drawings:
A kind of pressing device as shown in Figure 1, including the second support plate 15, it is characterised in that 15 lower surface of the second support plate Centre position be fixedly connected with the upper end of telescopic rod 13, the centre position of 12 upper surface of the lower end of telescopic rod 13 and the first support plate It is fixedly connected, spring 14 is socketed on telescopic rod 13, be fixed with limiting device 9 on front side of 15 lower surface of the second support plate, first The centre position of 12 lower surface of plate is fixed with electric sucking disc 11, the centre position of 15 upper surface of the second support plate and electric telescopic rod 16 Lower end be fixedly connected, the upper end of electric telescopic rod 16 is fixedly connected with the lower surface of movable block 5, the spiral shell on the movable block 5 Hole and screw rod 4 are threadedly coupled, and the left end of screw rod 4 is fixedly connected with the inner ring of bearing 2, and bearing 2 is fixed on left side by mounting base The left side of the right side of fixed plate 1, left side fixed plate 1 is fixed on outer fixed frame, the right end and stepper motor 7 of screw rod 4 Output shaft connected by shaft coupling, stepper motor 7 by mounting base be fixed on right side fixed plate 8 left side, right side is fixed The right side of plate 8 is fixed on outer fixed frame, solid between the right side and the left side of right side fixed plate 8 of left side fixed plate 1 There are the first guide rail 3, the slide opening on the first guide rail 3 and movable block 5 to be slidably connected, the second support plate is fixed on front side of 15 upper surface surely PLC controller 17, the output end electrical connection of the input terminal and external power supply of PLC controller 17, the output end point of PLC controller 17 It is not electrically connected with the input terminal of the input terminal of stepper motor 7, the input terminal of electric telescopic rod 16 and electric sucking disc 11, when work, Original state electric sucking disc 11 is located at the surface of external bottle cap lining-up machine, and to be adsorbed with external bottle cap whole for 11 lower end of electric sucking disc Bottle cap in row machine, electric telescopic rod 16 are shunk, and electric telescopic rod 16 passes through the second support plate 15, telescopic rod 13 and the first support plate 12 Electric sucking disc 11 is driven to move up, stepper motor 7 drives screw rod 4 to rotate, and screw rod 4 drives movable block 5 to move so that electronic suction Disk 11 is located at the surface of bottle, and electric telescopic rod 16 extends, and electric telescopic rod 16 passes through 12 band of telescopic rod 13 and the first support plate Dynamic electric sucking disc 11 moves down, and when bottle cap and bottle upper-end contact, electric telescopic rod 16 continues to extend, when on bottle cap and bottle End presses completely, and PLC controller 17 detects that rubber pad 93 moves setpoint distance, PLC controller by microswitch 10 at this time 17 control electric sucking discs 11 are stopped, and electric sucking disc 11 and bottle cap separation, PLC controller 17 control electric telescopic rod 16 and receive Contracting.
The quantity of heretofore described first guide rail 3 is two, and two the first guide rails 3 are in the front and rear sides pair of screw rod 4 Claim distribution.
Heretofore described limiting device 9 includes casing 91, the front side of 15 lower surface of the upper end of casing 91 and the second support plate It is fixedly connected, the top of 91 inner wall of casing and positioning screw 92 is threadedly coupled, and the lower end of positioning screw 92 is fixed with rubber pad 93.
Microswitch 10 is fixed on front side of heretofore described first support plate, 12 upper surface, microswitch 10 is located at limit The underface of device 9, the output end of microswitch 10 and the input terminal electrical connection of PLC controller 17.
The right side of heretofore described left side fixed plate 1 is corresponding with movable block 5 to be fixed with infrared distance sensor 18, red The output end of outer range sensor 18 and the input terminal electrical connection of PLC controller 17.
Calvus constriction plate that can be up and down is arranged between heretofore described electric sucking disc 11 and the first support plate 12 101, it is installed with push-rod electric machine 102 between 101 upper surface of calvus constriction plate and 12 lower wall surface of the first support plate, in the calvus Constriction plate 101 is equipped with the calvus retraction slot 103 that multiple uniform rings are set, and is set equipped with multiple uniform rings on the electric sucking disc 11 Calvus loose slot 104, the calvus loose slot 104 and 103 position of calvus retraction slot correspond to, are set in calvus loose slot 104 Have can inwardly or outwardly movable calvus 105, be equipped with spring solid plate 106 in 104 side of calvus loose slot, the spring is solid Spring 107 is equipped between 105 inner wall of plate 106 and calvus, 105 top of the calvus, which is worn, to be connected in calvus retraction slot 103, work When, PLC controller 17 controls push-rod electric machine 102 and stretches, and when the elongation of push-rod electric machine 102, calvus constriction plate 101 is pushed down on, because 105 upper end of calvus is triangular in shape, therefore when calvus constriction plate 101 pushes down on, and calvus retraction slot 103 is same by multiple calvus 105 When inwardly fold, lid is positioned to centre position, when push-rod electric machine 102 is shunk, calvus constriction plate 101 pushes up, calvus 105 It will be resetted by spring effect.
A kind of pressing device, including the second support plate 15, the centre position of 15 lower surface of the second support plate and telescopic rod 13 it is upper End is fixedly connected, and the lower end of telescopic rod 13 is fixedly connected with the centre position of 12 upper surface of the first support plate, is socketed on telescopic rod 13 There is spring 14, limiting device 9 is fixed on front side of 15 lower surface of the second support plate, is fixed on front side of 12 upper surface of the first support plate micro- Dynamic switch 10, microswitch 10 are located at the underface of limiting device 9, the output end of microswitch 10 and PLC controller 17 it is defeated Enter end electrical connection, the centre position of 12 lower surface of the first support plate is fixed with electric sucking disc 11, the centre of 15 upper surface of the second support plate Position is fixedly connected with the lower end of electric telescopic rod 16, and the upper end of electric telescopic rod 16 is fixedly connected with the lower surface of movable block 5, Telescopic rod 13 and spring 14 make bottle cap and bottle upper end flexible contact, bottle cap be not easy to be pressed damage, ensure that manufacturing schedule.
Screw hole and screw rod 4 on movable block 5 are threadedly coupled, and the left end of screw rod 4 is fixedly connected with the inner ring of bearing 2, bearing 2 The right side of left side fixed plate 1 is fixed on by mounting base, the left side of left side fixed plate 1 is fixed on outer fixed frame, spiral shell The right end of bar 4 is connected with the output shaft of stepper motor 7 by shaft coupling, and stepper motor 7 is fixed on right side by mounting base and fixes The right side of the left side of plate 8, right side fixed plate 8 is fixed on outer fixed frame, the right side of left side fixed plate 1 and movable block 5 correspondences are fixed with infrared distance sensor 18, and the output end of infrared distance sensor 18 and the input terminal of PLC controller 17 are electrically connected Connect, PLC controller 17 by infrared distance sensor 18 detect movable block 5 displacement distance, the right side of left side fixed plate 1 and The first guide rail 3 is fixed between the left side of right side fixed plate 8, the slide opening on the first guide rail 3 and movable block 5 is slidably connected, the The quantity of one guide rail 3 is two, and two the first guide rails 3 are symmetrical in the front and rear sides of screw rod 4, and the first guide rail 3 prevents from moving Motion block 5 rotates, and stepper motor 7 drives screw rod 4 to rotate, and screw rod 4 drives movable block 5 to move, the front side of 15 upper surface of the second support plate Be fixed with PLC controller 17, the output end electrical connection of the input terminal and external power supply of PLC controller 17, PLC controller 17 it is defeated Outlet is electrically connected with the input terminal of the input terminal of stepper motor 7, the input terminal of electric telescopic rod 16 and electric sucking disc 11 respectively, PLC controller 17 detects that rubber pad 93 moves setpoint distance by microswitch 10, and PLC controller 17 controls electric sucking disc 11 It is stopped, bottle cap pressing is easy to detect and simple in structure.
Limiting device 9 includes casing 91, is fixedly connected on front side of the upper end of casing 91 and 15 lower surface of the second support plate, casing The top of 91 inner walls and positioning screw 92 is threadedly coupled, and the lower end of positioning screw 92 is fixed with rubber pad 93.
It is commonly used in the prior art that PLC controller 17, which controls stepper motor 7, electric telescopic rod 16 and electric sucking disc 11, Means.
The basic principles and main features and advantages of the present invention of the present invention, the skill of the industry has been shown and described above Art personnel it should be appreciated that the present invention is not limited to the above embodiments, the above embodiments and description only describe The principle of the present invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these Changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and Its equivalent thereof.

Claims (6)

1. a kind of pressing device, including the second support plate (15), it is characterised in that:The interposition of second support plate (15) lower surface It sets and is fixedly connected with the upper end of telescopic rod (13), the lower end of telescopic rod (13) and the centre position of the first support plate (12) upper surface are solid It is fixed to connect, it is socketed with spring (14) on telescopic rod (13), limiting device (9) is fixed on front side of the second support plate (15) lower surface, The centre position of the first support plate (12) lower surface is fixed with electric sucking disc (11), the centre position of the second support plate (15) upper surface and The lower end of electric telescopic rod (16) is fixedly connected, and the upper end of electric telescopic rod (16) is fixedly connected with the lower surface of movable block (5), Screw hole and screw rod (4) on the movable block (5) are threadedly coupled, and the left end of screw rod (4) is fixedly connected with the inner ring of bearing (2), Bearing (2) is fixed on the right side of left side fixed plate (1) by mounting base, and the left side of left side fixed plate (1) is fixed on outside On fixed frame, the right end of screw rod (4) is connected with the output shaft of stepper motor (7) by shaft coupling, and stepper motor (7) passes through installation Seat is fixed on the left side of right side fixed plate (8), and the right side of right side fixed plate (8) is fixed on outer fixed frame, and left side is solid The first guide rail (3), the first guide rail (3) and movement are fixed between the right side and the left side of right side fixed plate (8) of fixed board (1) Slide opening on block (5) is slidably connected, and PLC controller (17), PLC controller are fixed on front side of the second support plate (15) upper surface (17) electrical connection of the output end of input terminal and external power supply, the output end of PLC controller (17) respectively with stepper motor (7) The input terminal of input terminal, the input terminal of electric telescopic rod (16) and electric sucking disc (11) is electrically connected.
2. a kind of pressing device according to claim 1, it is characterised in that first guide rail (3) quantity be two It is a, and two the first guide rails (3) are symmetrical in the front and rear sides of screw rod (4).
3. a kind of pressing device according to claim 1, it is characterised in that in the limiting device (9) include casing (91), it is fixedly connected on front side of the upper end of casing (91) and the second support plate (15) lower surface, casing (91) inner wall and positioning screw (92) top is threadedly coupled, and the lower end of positioning screw (92) is fixed with rubber pad (93).
4. a kind of pressing device according to claim 1, it is characterised in that before the first support plate (12) upper surface Side is fixed with microswitch (10), and microswitch (10) is located at the underface of limiting device (9), the output end of microswitch (10) It is electrically connected with the input terminal of PLC controller (17).
5. a kind of pressing device according to claim 1, it is characterised in that the right side of the left side fixed plate (1) with Movable block (5) correspondence is fixed with infrared distance sensor (18), the output end and PLC controller of infrared distance sensor (18) (17) input terminal electrical connection.
6. a kind of pressing device according to claim 1, it is characterised in that in the electric sucking disc (11) and the first support plate (12) calvus constriction plate (101) that can be up and down, calvus constriction plate (101) upper surface and the first support plate are arranged between (12) it is installed with push-rod electric machine (102) between lower wall surface, the pawl that multiple uniform rings are set is equipped on the calvus constriction plate (101) Piece retraction slot (103) is equipped with the calvus loose slot (104) that multiple uniform rings are set, the calvus on the electric sucking disc (11) Loose slot (104) is corresponding with calvus retraction slot (103) position, and being equipped in calvus loose slot (104) can be inwardly or outwardly movable Calvus (105), calvus loose slot (104) side be equipped with spring solid plate (106), the spring solid plate (106) and pawl Spring (107) is equipped between piece (105) inner wall, calvus (105) top, which is worn, to be connected in calvus retraction slot (103).
CN201810276628.2A 2018-03-30 2018-03-30 Capping device Active CN108466998B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810276628.2A CN108466998B (en) 2018-03-30 2018-03-30 Capping device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810276628.2A CN108466998B (en) 2018-03-30 2018-03-30 Capping device

Publications (2)

Publication Number Publication Date
CN108466998A true CN108466998A (en) 2018-08-31
CN108466998B CN108466998B (en) 2020-11-20

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810276628.2A Active CN108466998B (en) 2018-03-30 2018-03-30 Capping device

Country Status (1)

Country Link
CN (1) CN108466998B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108483374A (en) * 2018-03-30 2018-09-04 广东知识城运营服务有限公司 A kind of gland equipment
CN114796106A (en) * 2022-04-22 2022-07-29 江苏长江药业有限公司 Ropivacaine hydrochloride sodium chloride injection and preparation process thereof
CN114906370A (en) * 2022-05-10 2022-08-16 诺斯贝尔化妆品股份有限公司 Automatic bucket holding and pressing device of production line

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0677482A1 (en) * 1994-04-13 1995-10-18 MARCHESINI GROUP S.p.A. Device for closing bottles and the like with screw plugs
CN204802957U (en) * 2015-06-29 2015-11-25 尚宝泰机械科技(昆山)有限公司 Upper shield machine is grabbed and is covered mechanism
CN105173237A (en) * 2015-07-16 2015-12-23 无锡中营康园自动化设备有限公司 Full-automatic beverage glass sealing device
CN105967125A (en) * 2016-05-16 2016-09-28 广州达意隆包装机械股份有限公司 Cap pulling and unscrewing device
CN206108855U (en) * 2016-10-27 2017-04-19 重庆三峡医药高等专科学校 Medicine bottle lid spiral cover device
CN206716017U (en) * 2017-05-11 2017-12-08 温州市人民医院 A kind of test tube clamping device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0677482A1 (en) * 1994-04-13 1995-10-18 MARCHESINI GROUP S.p.A. Device for closing bottles and the like with screw plugs
CN204802957U (en) * 2015-06-29 2015-11-25 尚宝泰机械科技(昆山)有限公司 Upper shield machine is grabbed and is covered mechanism
CN105173237A (en) * 2015-07-16 2015-12-23 无锡中营康园自动化设备有限公司 Full-automatic beverage glass sealing device
CN105967125A (en) * 2016-05-16 2016-09-28 广州达意隆包装机械股份有限公司 Cap pulling and unscrewing device
CN206108855U (en) * 2016-10-27 2017-04-19 重庆三峡医药高等专科学校 Medicine bottle lid spiral cover device
CN206716017U (en) * 2017-05-11 2017-12-08 温州市人民医院 A kind of test tube clamping device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108483374A (en) * 2018-03-30 2018-09-04 广东知识城运营服务有限公司 A kind of gland equipment
CN114796106A (en) * 2022-04-22 2022-07-29 江苏长江药业有限公司 Ropivacaine hydrochloride sodium chloride injection and preparation process thereof
CN114906370A (en) * 2022-05-10 2022-08-16 诺斯贝尔化妆品股份有限公司 Automatic bucket holding and pressing device of production line

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