CN110039328A - A kind of hydraulic gripper - Google Patents
A kind of hydraulic gripper Download PDFInfo
- Publication number
- CN110039328A CN110039328A CN201910493385.2A CN201910493385A CN110039328A CN 110039328 A CN110039328 A CN 110039328A CN 201910493385 A CN201910493385 A CN 201910493385A CN 110039328 A CN110039328 A CN 110039328A
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- China
- Prior art keywords
- grip block
- hydraulic
- double
- driving
- chamber
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Classifications
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- 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
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/25—Movable or adjustable work or tool supports
- B23Q1/26—Movable or adjustable work or tool supports characterised by constructional features relating to the co-operation of relatively movable members; Means for preventing relative movement of such members
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
Abstract
The invention discloses a kind of hydraulic grippers in lathe clamper field, including pedestal, pedestal is equipped with sliding slot, it is all provided on the side wall of sliding slot fluted, the bottom of groove is embedded with electromagnet, the grip block being slidably connected on the base is equipped in groove, length direction of the glide direction of grip block perpendicular to sliding slot, grip block is embedded with permanent magnet towards electromagnet on one side, pedestal is also connected with the double-point double-throw switch being connected in electromagnet power supply circuit, is additionally provided in pedestal for driving the hydraulic mechanism that grip block slides and driving double-point double-throw switch switches.The present invention can improve the problem of existing hydraulic gripper response speed is not able to satisfy lathe use demand slowly.
Description
Technical field
The present invention relates to lathe clamper fields, and in particular to a kind of hydraulic gripper.
Background technique
Numerically-controlled machine tool is a kind of flexible, dynamical automated machine tool, represents the development of modern machine control technology
Direction, numerically-controlled machine tool, numerically-controlled machine tool include component of multiple slidings, such as tailstock, saddle, knife rest etc., these components are
It is slidably connected on guide rail, needs the precise positioning of these components also while sliding to guarantee to add the accurate of workpiece
Work is the clamper for installing hydraulic-driven between said modules and guide rail in the prior art, is pushed against clamper by hydraulic
Clamping is completed on guide rail.There are response speeds for the mode of hydraulic-driven slowly, fretting wear, maintenance cost is high, clamping is imitated at a high speed
The problems such as fruit is poor cannot well adapt to the lathe use demand increasingly developed, high especially for part requirement on machining accuracy, raw
For producing lathe at high cost, traditional hydraulic gripper has been unable to meet demand.
Summary of the invention
The invention is intended to provide a kind of hydraulic gripper, it is not able to satisfy machine slowly to improve existing hydraulic gripper response speed
The problem of bed use demand.
In order to achieve the above objectives, basic technology scheme of the invention is as follows: a kind of hydraulic gripper, including pedestal, pedestal
It is equipped with sliding slot, is all provided on the side wall of sliding slot fluted, the bottom of groove is embedded with electromagnet, is equipped with and is slidably connected in groove
Grip block on pedestal, perpendicular to the length direction of sliding slot, the one side of grip block towards electromagnet is embedding for the glide direction of grip block
Equipped with permanent magnet, pedestal is also connected with the double-point double-throw switch being connected in electromagnet power supply circuit, is additionally provided with and is used in pedestal
Drive the hydraulic mechanism of grip block sliding and driving double-point double-throw switch switching.
The principle and advantage of this programme are: pedestal is the main body of clamper, and sliding slot is to correspond to machine tool guideway on clamper
Mounting structure, pedestal button overlays on guide rail when use, and guide rail is passed through from sliding slot.Groove is clamped for storing grip block, electromagnetism
Block is used to carry out guide rail the positioning that machine tool assembly is completed in clamping, and electromagnet and permanent magnet are used to drive clamping as electromagnetic power
Block movement, double-point double-throw switch can be used for changing current direction as the power supply control of electromagnet, and then change electromagnet
Pole orientation, which cooperates electromagnet and permanent magnet, can generate to the pushing away of grip block, pull work, and hydraulic mechanism is moved as hydraulic
Power is used to drive the movement of grip block, while driving of the hydraulic mechanism as double-point double-throw switch, by hydraulic mechanism to clamping
The driving process of block carries out the operation of double-point double-throw switch, and then carries out the control of electromagnetic power, hydraulic in this way and double electromagnetic
Power compound carries out the driving of grip block, has both improved the action response speed of clamper, in turn ensures that the clamping of clamper is dynamic
Make reliability, it is more preferable to the locating effect of machine tool assembly, there is positioning accuracy height, long-time compared to conventional hydraulic clamper
Using the more accurate advantage of positioning accuracy, it can adapt to the demand of lathe high accuracy positioning, more meet the market requirement.
Further, hydraulic mechanism includes control chamber and driving chamber, and the control of control double-point double-throw switch is equipped in control chamber
Part, the interior actuator for being equipped with driving grip block of driving chamber, passes through oil communication, control chamber, driving between control chamber and driving chamber
The oil inlet of chamber is all larger than oil outlet.It is used to control as preferred control chamber for accommodating control piece and by hydraulic power shunting double
Double-pole double throw switch, driving chamber are greater than for accommodating actuator and being used for hydraulic power conversion to drive grip block using oil inlet
The structure of oil outlet, so that control chamber and driving chamber are able to maintain barotropic state during hydraulic booster, so that control piece
It can effectively be acted with actuator, guarantee that control piece, the motion stability of actuator are reliable.
Further, control piece is push plate of the sliding in control chamber, is equipped between the side and control chamber side wall of push plate close
Sealing, push plate are fixedly connected with push rod, and push rod is connected through the plug-in strip of pedestal and double-point double-throw switch, are located at push plate and control chamber
Spring is arranged on push rod between side wall, the oil inlet and oil outlet of control chamber are respectively positioned on the end that control chamber deviates from push rod.
It is to be displaced and then drive plug-in strip movement by hydraulic conversion, sealing element is pushed away for guaranteeing as preferred push plate as power transmission part
The pressure that plate is subject to is stablized, and displacement is passed to plug-in strip as transferring structure by push rod, and reset force piece of the spring as push plate is removed
Go it is hydraulic after push plate can be driven to reset and then plug-in strip is allowed to reset, the position of oil inlet and oil outlet is arranged so that control cavity space
It divides rationally, push plate can be acted effectively.
Further, it is fixed with extension stem on plug-in strip, offers slotted hole on extension stem, integrally formed with being threaded through on push rod
Pin rod in slotted hole, the swing angle of plug-in strip are 90 °.Straight-line displacement as preferred push rod in this way acts on length by pin rod
On circular hole, and then pass through pin rod in slotted hole relative to the transmitting of the mobile completion power of extension stem, so that the swingable band of extension stem
Dynamic plug-in strip completes the switching of double-point double-throw switch, using such plug-in strip swing angle, power between pin rod and extension stem of being more convenient for
Transmitting so that push rod can effectively drive extension stem and plug-in strip to swing.
Further, actuator is top plate of the sliding in driving chamber, also is provided between the side and driving chamber side wall of top plate
Sealing element is fixedly connected at least two mandrils on top plate, and mandril is through in groove and is fixedly connected with grip block, driving chamber
Oil inlet and oil outlet are provided with the end that driving chamber deviates from mandril.Transferring member as preferred top plate as hydraulic power,
Hydraulic power is passed into mandril and forms displacement, for mandril for driving grip block, the design of multiple mandrils can effectively ensure that clamping
The stabilization and guiding of block movement are accurate.
Further, mandril is uniformly distributed circumferentially in the outside of permanent magnet.As preferred grip block in this way in electromagnetic action
Or the movement under hydraulic action can stablize progress, will not generate deflection in grip block action process, grip block and guide rail it
Between can carry out good face contact, avoid grip block deflection cause abrasion accelerate.
Further, sealing element is the rubber seal ring being embedded on push plate, top plate.It is sealed as preferred such sealing element
It works well, it is at low cost.
It further, is detachable be fixedly connected between mandril and grip block.As preferably in this way convenient for grip block into
Row replacement or maintenance, do not need integrally to replace clamper, convenient maintenance and replacement.
Further, loop has buffer spring on the mandril between groove bottom wall and grip block.As preferred buffering elastic
Spring can buffer impact of the grip block between electromagnet during grip block is attracted by electromagnet, reduce grip block and electricity
The active force that both magnet is subject to avoids collision damaged in collision present in noise and long-time use process.
Further, detachable to be fixedly connected as offering radial through-hole on mandril, the side of grip block offers rank
Ladder shell pit, is equipped with hexagon socket head cap screw in ladder threaded hole, and grip block is corresponding with mandril towards offering on the side wall of electromagnet
Jack, jack is connected to ladder threaded hole, and the side of grip block is equipped with the scale of through-thickness.As preferably protecting in this way
The connection of mandril and grip block can be effectively completed under card grip block and the complete situation of guide rail contacting surface, and just from side connection
In operation, it not will receive impact and generate loosening, the scale of side can be used for the contrastive detection to the grip block degree of wear.
Detailed description of the invention
Fig. 1 is the upwarding cutaway view of pedestal in the embodiment of the present invention 1；
Fig. 2 is the circuit diagram that electromagnet is connect with double-point double-throw switch in the embodiment of the present invention 1；
Fig. 3 is the attachment structure schematic diagram of mandril and grip block in the embodiment of the present invention 2.
Specific embodiment
It is further described below by specific embodiment:
Appended drawing reference in Figure of description includes: pedestal 1, control chamber 2, push plate 3, push rod 4, spring 5, plug-in strip 6, driving
Chamber 7, top plate 8, mandril 9, buffer spring 10, groove 11, grip block 12, permanent magnet 13, sealing element 14, slotted hole 15, extension stem
16, electromagnet 17, sliding slot 18, ladder threaded hole 19, hexagon socket head cap screw 20, jack 21.
Embodiment 1, substantially as shown in Fig. 1: a kind of hydraulic gripper, including pedestal 1, pedestal 1 is equipped with sliding slot 18, sliding
Fluted 11 are all provided on the side wall of slot 18, the bottom of groove 11 is embedded with electromagnet 17, is equipped in groove 11 and is slidably connected at base
Grip block 12 on seat 1, the length direction of the glide direction of grip block 12 perpendicular to sliding slot 18.Grip block 12 is towards electromagnet 17
Be embedded with permanent magnet 13 on one side, pedestal 1 goes back screw and is connected with the double-point double-throw switch being connected in 17 electric power loop of electromagnet,
Circuit diagram is as shown in Figure 2.It is additionally provided in pedestal 1 for driving the liquid that grip block 12 slides and driving double-point double-throw switch switches
Press mechanism.
Hydraulic mechanism includes control chamber 2 and driving chamber 7, and the control piece of control double-point double-throw switch is equipped in control chamber 2, is driven
It is equipped with the actuator of driving grip block 12 in dynamic chamber 7, passes through oil communication, control chamber 2, driving between control chamber 2 and driving chamber 7
The oil inlet of chamber 7 is all larger than oil outlet.
Control piece is push plate 3 of the sliding in control chamber 2, is equipped with sealing element between 2 side wall of side and control chamber of push plate 3
14, push plate 3 is integrally formed with push rod 4, and push rod 4 is connect through pedestal 1 with the plug-in strip 6 of double-point double-throw switch, on specific plug-in strip 6
It is fixed with extension stem 16, offers slotted hole 15 on extension stem 16, integrally formed with the pin being threaded through in slotted hole 15 on push rod 4
Bar.Spring 5, the equal position of oil inlet and oil outlet of control chamber 2 are arranged on push rod 4 between 2 side wall of push plate 3 and control chamber
Deviate from the end of push rod 4 in control chamber 2.The swing angle of plug-in strip 6 is 90 °.
Actuator is top plate 8 of the sliding in driving chamber 7, also is provided with sealing between 7 side wall of side and driving chamber of top plate 8
Part 14, sealing element 14 are the rubber seal ring being embedded on push plate 3, top plate 8.It is integrally formed on top plate 8 there are two mandril 9, is pushed up
Bar 9 is uniformly distributed circumferentially in the outside of permanent magnet 13, and mandril 9 is through in groove 11 and is adhesively fixed with grip block 12.It drives
The oil inlet and oil outlet of dynamic chamber 7 are provided with the end that driving chamber 7 deviates from mandril 9.Grip block 12 is slidably connected with pedestal 1
It is through in groove 11 for mandril 9 and is fixedly connected with grip block 12.
Specific implementation process is as follows: when not clamped, not providing hydraulic, does not have in control chamber 2, oil circuit and driving chamber 7
There is positive pressure, the push plate 3 in control chamber 2 is located at the middle part of control chamber 2 under the action of spring 5, and push plate 3 drives push rod 4 to be accommodated in
In control chamber 2, the plug-in strip 6 of the drive double-point double-throw switch of push rod 4 is always positioned at one end and electromagnet 17 is powered, at this time electromagnet
Pole orientation after 17 energizations and the permanent magnet 13 on grip block 12 are attracting, and electromagnet 17 adsorbs permanent magnet 13, so that
Grip block 12 is accommodated in groove 11.
When clamping, provide hydraulic, hydraulic medium is introduced into control chamber 2, since the oil outlet of control chamber 2 is less than
Oil inlet, hydraulic medium are accumulated in control chamber 2, and the hydraulic medium of accumulation forms normal pressure to push plate 3, with hydraulic increase
Push plate 3 overcomes the elastic force of spring 5 to push push rod 4 to outside control chamber 2.The outside movement of push rod 4 passes to pin rod, and pin rod is prolonging
Stretch and extension stem 16 and plug-in strip 6 driven to swing on handle 16 under the limitation of slotted hole 15, hydraulic growth so that plug-in strip 6 from the one of switch
The end guiding other end, and then complete sense of current in 17 circuit of electromagnet and change, so that the pole orientation of electromagnet 17 is exchanged,
Repulsive force is generated between electromagnet 17 and permanent magnet 13.Since electromagnet 17 is fixed on pedestal 1, permanent magnet 13 is mounted on sliding
Grip block 12 on, and then electromagnet 17 pushes grip block 12 to guide rail, so that grip block 12 is completed to clamp to guide rail.Hydraulic Jie
After matter enters driving chamber 7 out of control chamber 2, also due to the oil outlet of driving chamber 7 is less than oil inlet, hydraulic medium is in driving chamber
The hydraulic medium of accumulation in 7, accumulation forms normal pressure to top plate 8, and hydraulic coupling is passed to grip block 12 by mandril 9 by top plate 8,
Supplement reinforcement is carried out to the abutting clamping between grip block 12 and guide rail, the grip block 12 of electromagnetism power drive acts quickly, hydraulic
12 motion stability of grip block of power drive forms the double action of electromagnetic force and hydraulic coupling in this way, realizes clamper to guide rail
Reliable and stable clamping.
Embodiment 2, in the present embodiment, as shown in figure 3, be between mandril 9 and grip block 12 it is detachable be fixedly connected, can
It is detachably fixed and is connected as offering radial through-hole on mandril 9, the side of grip block 12 offers ladder threaded hole 19, ladder
It is equipped with hexagon socket head cap screw 20 in threaded hole 19, grip block 12 is towards offering insert corresponding with mandril 9 on the side wall of electromagnet 17
Hole 21, jack 21 are connected to ladder threaded hole 19, and the side of grip block 12 is equipped with the scale of through-thickness.Positioned at 11 bottom of groove
Loop has buffer spring 10 on mandril 9 between wall and grip block 12.It is convenient for the dismounting and change or maintenance of grip block 12 in this way,
Guarantee the connection that mandril 9 Yu grip block 12 can be effectively completed in grip block 12 and the complete situation of guide rail contacting surface, and from side
End connection not will receive impact and generate loosening, the scale of side can be used for the comparison to 12 degree of wear of grip block convenient for operation
Monitoring.Buffer spring 10 can buffer grip block 12 between electromagnet 17 during grip block 12 is attracted by electromagnet 17
Impact, reduce the active force that both grip block 12 and electromagnet 17 are subject to, avoid collision in noise and long-time use process
Existing damaged in collision.
Claims (10)
1. a kind of hydraulic gripper, it is characterised in that: including pedestal, pedestal is equipped with sliding slot, is equipped on the side wall of sliding slot recessed
Slot, the bottom of groove are embedded with electromagnet, are equipped with the grip block being slidably connected on the base, the glide direction of grip block in groove
Perpendicular to the length direction of sliding slot, grip block is embedded with permanent magnet towards electromagnet on one side, and pedestal, which is also connected with, is connected on electricity
Double-point double-throw switch in magnet power supply circuit, is additionally provided with that grip block slides and driving double-pole double throw is opened for driving in pedestal
The hydraulic mechanism that concern is changed.
2. a kind of hydraulic gripper according to claim 1, it is characterised in that: the hydraulic mechanism includes control chamber and drive
Dynamic chamber, control chamber is interior to be equipped with the control piece for controlling double-point double-throw switch, and the actuator for driving grip block is equipped in driving chamber, described
By oil communication between control chamber and driving chamber, control chamber, driving chamber oil inlet be all larger than oil outlet.
3. a kind of hydraulic gripper according to claim 2, it is characterised in that: the control piece is sliding in control chamber
Push plate, sealing element is equipped between the side and control chamber side wall of push plate, push plate is fixedly connected with push rod, push rod through pedestal with
The plug-in strip of double-point double-throw switch connects, and is arranged with spring on the push rod between push plate and control chamber side wall, control chamber into
Hydraulic fluid port and oil outlet are respectively positioned on the end that control chamber deviates from push rod.
4. a kind of hydraulic gripper according to claim 3, it is characterised in that: be fixed with extension stem on the plug-in strip, prolong
It stretches and offers slotted hole on handle, integrally formed with the pin rod being threaded through in slotted hole, the angle of oscillation of the plug-in strip on the push rod
Degree is 90 °.
5. a kind of hydraulic gripper according to claim 4, it is characterised in that: the actuator is sliding in driving chamber
Top plate, also be provided with sealing element between the side and driving chamber side wall of top plate, at least two mandrils be fixedly connected on top plate, push up
Bar is through in groove and is fixedly connected with grip block, and the oil inlet and oil outlet of driving chamber are provided with driving chamber away from mandril
End.
6. a kind of hydraulic gripper according to claim 5, it is characterised in that: the mandril is uniformly distributed circumferentially in institute
State the outside of permanent magnet.
7. a kind of hydraulic gripper according to claim 6, it is characterised in that: the sealing element is to be embedded in push plate, top
Rubber seal ring on plate.
8. a kind of hydraulic gripper according to claim 7, it is characterised in that: be between the mandril and the grip block
It is detachable to be fixedly connected.
9. a kind of hydraulic gripper according to claim 8, it is characterised in that: between groove bottom wall and grip block
Loop has buffer spring on mandril.
10. a kind of hydraulic gripper according to claim 9, it is characterised in that: described detachable to be fixedly connected as pushing up
Radial through-hole is offered on bar, the side of grip block offers ladder threaded hole, is equipped with hexagon socket head cap screw in ladder threaded hole,
Grip block is towards jack corresponding with mandril is offered on the side wall of electromagnet, and jack is connected to ladder threaded hole, grip block
Side is equipped with the scale of through-thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910493385.2A CN110039328B (en) | 2019-06-06 | 2019-06-06 | Hydraulic clamp holder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910493385.2A CN110039328B (en) | 2019-06-06 | 2019-06-06 | Hydraulic clamp holder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110039328A true CN110039328A (en) | 2019-07-23 |
| CN110039328B CN110039328B (en) | 2020-05-08 |
Family
ID=67284650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910493385.2A Active CN110039328B (en) | 2019-06-06 | 2019-06-06 | Hydraulic clamp holder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110039328B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111843519A (en) * | 2020-07-09 | 2020-10-30 | 上海山恩智能科技有限公司 | Floor boring bidirectional guide rail clamping limiting device |
| CN112642878A (en) * | 2020-10-29 | 2021-04-13 | 重庆讯通精密模具有限公司 | Steel coil unreeling machine |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002303322A (en) * | 2001-04-04 | 2002-10-18 | Canon Inc | Rotating device |
| CN202780504U (en) * | 2012-08-13 | 2013-03-13 | 宁波海天精工股份有限公司 | Floating clamping mechanism of rotating table |
| CN204339420U (en) * | 2014-12-16 | 2015-05-20 | 广东省工业技术研究院(广州有色金属研究院) | A kind of normal closed hydraulic clamp |
| CN205915042U (en) * | 2016-07-28 | 2017-02-01 | 山东大侨玉成精密机械有限公司 | Digit control machine tool line rail subassembly |
| CN206912749U (en) * | 2017-04-21 | 2018-01-23 | 杭州多通机电科技有限公司 | A kind of electromagnetic clamp holder |
| CN108115601A (en) * | 2017-12-19 | 2018-06-05 | 重庆厚全科技发展有限公司 | One kind starts machine testing fixture |
| CN208713409U (en) * | 2018-08-08 | 2019-04-09 | 徐晓雷 | A kind of novel clamping device for numerically-controlled machine tool |
| CN208811590U (en) * | 2018-08-25 | 2019-05-03 | 北京天仪百康科贸有限公司 | A kind of magnetic-adsorption air-actuated jaw |
| CN208867052U (en) * | 2018-10-23 | 2019-05-17 | 张家界航空工业职业技术学院 | Fixture is used in a kind of production of mechanical equipment |
-
2019
- 2019-06-06 CN CN201910493385.2A patent/CN110039328B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002303322A (en) * | 2001-04-04 | 2002-10-18 | Canon Inc | Rotating device |
| CN202780504U (en) * | 2012-08-13 | 2013-03-13 | 宁波海天精工股份有限公司 | Floating clamping mechanism of rotating table |
| CN204339420U (en) * | 2014-12-16 | 2015-05-20 | 广东省工业技术研究院(广州有色金属研究院) | A kind of normal closed hydraulic clamp |
| CN205915042U (en) * | 2016-07-28 | 2017-02-01 | 山东大侨玉成精密机械有限公司 | Digit control machine tool line rail subassembly |
| CN206912749U (en) * | 2017-04-21 | 2018-01-23 | 杭州多通机电科技有限公司 | A kind of electromagnetic clamp holder |
| CN108115601A (en) * | 2017-12-19 | 2018-06-05 | 重庆厚全科技发展有限公司 | One kind starts machine testing fixture |
| CN208713409U (en) * | 2018-08-08 | 2019-04-09 | 徐晓雷 | A kind of novel clamping device for numerically-controlled machine tool |
| CN208811590U (en) * | 2018-08-25 | 2019-05-03 | 北京天仪百康科贸有限公司 | A kind of magnetic-adsorption air-actuated jaw |
| CN208867052U (en) * | 2018-10-23 | 2019-05-17 | 张家界航空工业职业技术学院 | Fixture is used in a kind of production of mechanical equipment |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111843519A (en) * | 2020-07-09 | 2020-10-30 | 上海山恩智能科技有限公司 | Floor boring bidirectional guide rail clamping limiting device |
| CN112642878A (en) * | 2020-10-29 | 2021-04-13 | 重庆讯通精密模具有限公司 | Steel coil unreeling machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110039328B (en) | 2020-05-08 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A hydraulic gripper Effective date of registration: 20230912 Granted publication date: 20200508 Pledgee: Liangjiang branch of Chongqing Rural Commercial Bank Co.,Ltd. Pledgor: CHONGQING HONGGANG CNC MACHINE Co.,Ltd. Registration number: Y2023500000068 |
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