CN113770746A - Flexible feeding sliding table - Google Patents
Flexible feeding sliding table Download PDFInfo
- Publication number
- CN113770746A CN113770746A CN202111101649.9A CN202111101649A CN113770746A CN 113770746 A CN113770746 A CN 113770746A CN 202111101649 A CN202111101649 A CN 202111101649A CN 113770746 A CN113770746 A CN 113770746A
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- China
- Prior art keywords
- sliding
- pin
- spring
- plate
- side board
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- 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.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/22—Feeding members carrying tools or work
- B23Q5/34—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission
- B23Q5/38—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously
- B23Q5/40—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously by feed shaft, e.g. lead screw
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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
-
- 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
- B23Q1/44—Movable or adjustable work or tool supports using particular mechanisms
-
- 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
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Measuring And Other Instruments (AREA)
Abstract
The utility model provides a flexible slip table that feeds, the on-line screen storage device comprises a base, the workstation has been erect to the base top, workstation bottom below is connected with the upper fixed plate, the upper fixed plate middle part is connected with well riser, well riser below is provided with the bottom plate, run through between left side board and the right side board about horizontal extension's cylindric lock, the cover has left spring on the cylindric lock between left side board and the well riser, the cover has right spring on the cylindric lock between right side board and the well riser, the bottom plate below is connected with the nut seat, nut seat side is connected with ball nut, run through about nut seat and ball nut have with ball nut threaded connection's lead screw, lead screw one end is connected with driving motor, the lead screw other end is connected with the bearing frame. The flexible sliding workbench is reasonable in structural design, flexible sliding of the workbench is realized, parts with complex shapes and inconsistent sizes can be machined, the flexible sliding workbench is applicable to parts with different sizes, the cost is low, and the working efficiency is high.
Description
Technical Field
The invention relates to a flexible feeding sliding table.
Background
At present, a sliding table is a movement mechanism necessary for numerical control precision machining, however, when the machining is performed under the conditions of complex shapes and inconsistent sizes of all parts, a system is required to move out of complex tracks and accommodate the size difference of all parts. Like the deckle edge processing of founding casting member, the inconsistent because of model error, human error and cooling shrinkage of each part lead to the overall dimension of each work piece inconsistent, carry out deckle edge processing again can not be because of the error cut more and the under-cut, and its appearance is more complicated again, need utilize flexible slip table to process. At present, the visual recognition technology is developed quickly, and cannot be applied in large quantity due to the reasons of cost, recognition accuracy and the like.
Disclosure of Invention
In order to solve the technical defects, the invention provides the flexible feeding sliding table which is low in cost, high in working efficiency and wide in application range.
The invention is realized by the following measures:
a flexible feeding sliding table comprises a C-shaped base extending left and right and provided with an upward opening, a workbench capable of sliding left and right along the base is erected above the base, an upper fixing plate is connected below the bottom of the workbench, a middle vertical plate is vertically and integrally connected with the middle of the upper fixing plate downwards, lower fixing plates are arranged below the middle vertical plate at intervals, a left side plate and a right side plate are respectively and vertically and upwardly and integrally connected with the left end and the right end of the lower fixing plate, the middle vertical plate is positioned between the left side plate and the right side plate, a through hole is formed in the middle vertical plate, a pin extending left and right transversely penetrates through the left side plate and the right side plate, the left end and the right end of the pin are respectively detachably locked and connected with the left side plate and the right side plate, a left spring is sleeved on the pin between the left side plate and the middle vertical plate, a right spring is sleeved on the pin between the right side plate and the middle vertical plate, the lower fixing plate is connected with a nut seat positioned in the base below, the side face of the nut seat is connected with a ball nut, a lead screw in threaded connection with the ball nut penetrates through the nut seat and the ball nut from left to right, one end of the lead screw is connected with a driving motor, and the other end of the lead screw is connected with a bearing seat.
The left end of above-mentioned left spring is provided with the left adjusting nut with pintle threaded connection, and the right-hand member of left spring is provided with the left packing ring of sliding sleeve on the pintle and sticiss in well riser left surface, the right-hand member of right spring is provided with the right adjusting nut with pintle threaded connection, and the left end of right spring is provided with the right packing ring of sliding sleeve on the pintle and sticiss in well riser right flank to left packing ring diameter and right packing ring diameter all are greater than the diameter of through-hole.
Above-mentioned bottom plate top is provided with the stopper of two riser left and right sides in being located, and two stoppers all leave the interval space with well riser between to stopper top surface is higher than well riser bottom surface.
The middle part of the pin is integrally connected with a sliding ring which is concentric with the pin, the diameter of the sliding ring is larger than that of the pins on the left side and the right side of the sliding ring, the sliding ring is slidably penetrated in the through hole, and the thickness of the sliding ring in the left and right direction is the same as that of the through hole in the left and right direction.
Two pins side by side around transversely running through between above-mentioned left side board and the right side board, two through-holes around opening on the well riser, two through-holes on the riser are passed in sliding respectively in the middle part of the pin, both ends respectively with left side board and the removable locking connection of right side board about two pins, all overlap on two pins between left side board and the well riser have left spring, all overlap on the pin between right side board and the well riser and have right spring.
The left end of above-mentioned two left springs all is provided with respectively with two pin threaded connection's left adjusting nut, the right-hand member of two left springs all is provided with respectively sliding sleeve on two pins and sticiss the left packing ring in well riser left surface, the right-hand member of two right springs all is provided with respectively with two pin threaded connection's right adjusting nut, the left end of two right springs all is provided with respectively sliding sleeve on two pins and sticiss the right packing ring in well riser right flank to left packing ring diameter and right packing ring diameter all are greater than the diameter of through-hole.
The middle parts of the two pins are integrally connected with sliding rings, the sliding rings are concentric with the pins connected with the sliding rings, the diameters of the sliding rings are larger than those of the pins on the left side and the right side of the sliding rings, the sliding rings penetrate through the through holes in a sliding mode, and the thickness of the sliding rings in the left-right direction is the same as that of the through holes in the left-right direction.
Both ends are worn out respectively to left side board left side and right side board right side about above-mentioned pin to equal threaded connection has fastening nut on the pin on left side board left side and the pin on right side board right side.
The top of the side plate of the base is paved with a linear guide rail extending leftwards and rightwards, and the bottom of the workbench is provided with a sliding seat matched with the linear guide rail.
The upper surface of the lower fixing plate is provided with a scale which is positioned below the left spring and the right spring and is parallel to the pin.
The invention has the beneficial effects that: structural design is reasonable, and when the workstation atress was controlled and was moved, the elasticity of spring about can utilizing realized the flexible slip of workstation, can process some parts that the shape is complicated and the size is inconsistent, can both be suitable for to the part that the size is different, has saved the input of visual identification technique, and is with low costs, and work efficiency is high.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic cross-sectional structure of the present invention.
FIG. 3 is a schematic top view of the present invention with the table removed.
Fig. 4 is a schematic structural view of the workbench in a balanced position according to the present invention.
FIG. 5 is a schematic view of the right side of the workbench of the present invention when forced and moved to the left.
FIG. 6 is a schematic view of the left side of the workbench of the present invention when being forced and moved to the right.
Wherein: 1. the automatic measuring device comprises a bearing seat, 2 linear guide rails, 3 a base, 4 a lead screw, 5 a workbench, 6 a sliding seat, 7 a driving motor, 8 a nut seat, 9 a ball nut, 21 a pin, 22 a left adjusting nut, 23 a left spring, 24 a left washer, 25 a right washer, 26 a right spring, 27 a right adjusting nut, 28 a fastening nut, 29 a lower fixing plate, 30 an upper fixing plate, 31 a limiting block and 32 a scale.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings:
as shown in fig. 1, 2 and 3, the flexible feeding sliding table comprises a C-shaped base 3 extending left and right and having an upward opening, a workbench 5 capable of sliding left and right along the base 3 is erected above the base 3, a linear guide rail 2 extending left and right is laid on the top of a side plate of the base 3, and a sliding base 6 matched with the linear guide rail 2 is arranged at the bottom of the workbench 5.
An upper fixing plate 30 is connected below the bottom of the workbench 5, a middle vertical plate is vertically and integrally connected with the middle of the upper fixing plate 30 downwards, lower fixing plates 29 are arranged below the middle vertical plate at intervals, a left side plate and a right side plate are respectively and vertically and upwards integrally connected with the left end and the right end of the lower fixing plate 29, the middle vertical plate is positioned between the left side plate and the right side plate, a through hole is formed in the middle vertical plate, a pin 21 transversely extending leftwards and rightwards penetrates through the left side plate and the right side plate, the middle part of the pin 21 slides leftwards and rightwards to penetrate through the through hole in the middle vertical plate, the left end and the right end of the pin 21 are respectively detachably locked and connected with the left side plate and the right side plate, a left spring 23 is sleeved on the pin 21 between the left side plate and the middle vertical plate, a right spring 26 is sleeved on the pin 21 between the right side plate and the middle vertical plate, a nut seat 8 positioned in the base 3 is connected below the lower fixing plate 29, a ball nut 9 is connected with the side surface of the nut seat 8, a lead screw 4 in threaded connection with the ball nut 9 penetrates left and the left side of the nut seat 8 and the ball nut 9, one end of the screw rod 4 is connected with a driving motor 7, and the other end of the screw rod 4 is connected with a bearing seat 1. The bearing seat 1 and the driving motor 7 are fixed on the base 3 through bolts, and the bearing seat 1 supports the screw rod 4 to rotate by utilizing a bearing. The ball nut 9 and the screw 4 constitute a ball screw 4 pair, the nut holder 8 is fixed to the ball nut 9 by a bolt, and the lower fixing plate 29 is fixed to the nut holder 8 by a bolt. Both ends are worn out respectively to left side board left side and right side board right side about the pin 21 to all threaded connection has fastening nut 28 on the pin 21 on left side board left side and on the pin 21 on right side board right side.
The left end of the left spring 23 is provided with a left adjusting nut 22 in threaded connection with the pin 21, the right end of the left spring 23 is provided with a left washer 24 which is slidably sleeved on the pin 21 and tightly pressed on the left side surface of the middle vertical plate, the right end of the right spring 26 is provided with a right adjusting nut 27 in threaded connection with the pin 21, the left end of the right spring 26 is provided with a right washer 25 which is slidably sleeved on the pin 21 and tightly pressed on the right side surface of the middle vertical plate, and the diameters of the left washer 24 and the right washer 25 are both larger than the diameter of the through hole. Two limiting blocks 31 located on the left side and the right side of the middle vertical plate are arranged at the top of the lower fixing plate 29, an interval space is reserved between each limiting block 31 and the middle vertical plate, and the top surface of each limiting block 31 is higher than the bottom surface of the middle vertical plate. The middle part of the pin 21 is integrally connected with a sliding ring which is concentric with the pin 21, the diameter of the sliding ring is larger than that of the pins 21 at the left side and the right side of the sliding ring, the sliding ring is slidably penetrated in the through hole, and the thickness of the sliding ring in the left-right direction is the same as that of the through hole in the left-right direction. The upper surface of the lower fixing plate 29 is provided with a scale 32 positioned below the left spring 23 and the right spring 26, and the scale 32 is parallel to the pin 21.
In order to make the workstation 5 remove when the atress when moving evenly, transversely run through between left side board and the right side board have around two cylindric locks 21 side by side, two through-holes around opening on the well riser, two cylindric locks 21 middle parts slide respectively and pass two through-holes on the well riser, both ends respectively with left side board and the removable locking connection of right side board about two cylindric locks 21, all overlap on two cylindric locks 21 between left side board and the well riser and have left spring 23, all overlap on the cylindric lock 21 between right side board and the well riser and have right spring 26. The left ends of the two left springs 23 are provided with left adjusting nuts 22 respectively in threaded connection with the two pins 21, the right ends of the two left springs 23 are provided with left washers 24 respectively in sliding fit on the two pins 21 and tightly pressed on the left side surface of the middle vertical plate, the right ends of the two right springs 26 are provided with right adjusting nuts 27 respectively in threaded connection with the two pins 21, the left ends of the two right springs 26 are provided with right washers 25 respectively in sliding fit on the two pins 21 and tightly pressed on the right side surface of the middle vertical plate, and the diameters of the left washers 24 and the right washers 25 are larger than the diameter of the through hole. The middle parts of the two pins 21 are integrally connected with sliding rings, the sliding rings are concentric with the pins 21 connected with the sliding rings, the diameter of each sliding ring is larger than that of the pins 21 on the left side and the right side of the sliding ring, the sliding rings are slidably penetrated in the through holes, and the thickness of the sliding rings in the left and right directions is the same as that of the through holes in the left and right directions.
As shown in fig. 4, 5, and 6, the adjustment method: the left spring 23 and the right spring 26 have elastic coefficients K, the left adjusting nut 22 and the right adjusting nut 27 are adjusted to enable the compression amount of the springs to be L, and left and right pretightening forces are generated respectively, wherein F is KL, and because the width of the middle vertical plate of the upper fixing plate 30 is equal to the width of the middle shaft section of the pin 21, the pretightening forces are not applied to the upper fixing plate 30 but applied to the left and right sliding rings of the pin 21 by the left washer 24 and the right washer 25 respectively.
When the right side of the workbench 5 is stressed by a force F1, the force of F1 is added on the left washer 24 through the upper fixing block and the spring, if F1 is less than F, the left spring 23 is not moved, if F1 is greater than F, the left spring 23 moves leftwards, the right washer 25 is limited by the sliding ring and cannot move leftwards, the left movement amount of the workbench 5 is X, the left washer 24 is pushed to move leftwards by X, the left spring 23 is compressed again by X, the spring force F1 is K (L + X), when F1 is F, the balance is realized, when the force is too large, the movement amount is too large, and the maximum displacement is limited by the limiting block 31.
In a working scene, when the workbench 5 moves according to the minimum track of a workpiece under the control of the servo motor, if the size of the workpiece is equal to the minimum size, the cutter is processed according to the minimum size, the cutting resistance is smaller than the pre-tightening force F, if the size of the workpiece is larger than the minimum size, the cutting resistance is larger than the pre-tightening force F, the compression spring generates elastic avoidance, and flexible feeding processing is carried out.
The foregoing is only a preferred embodiment of this patent, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of this patent, and these modifications and substitutions should also be regarded as the protection scope of this patent.
Claims (10)
1. A flexible feed slide, characterized by: comprises a C-shaped base extending leftwards and rightwards and provided with an upward opening, a workbench capable of sliding leftwards and rightwards along the base is erected above the base, an upper fixing plate is connected below the bottom of the workbench, a middle vertical plate is vertically and downwards integrally connected in the middle of the upper fixing plate, lower fixing plates are arranged below the middle vertical plate at intervals, a left side plate and a right side plate are vertically and upwards integrally connected at the left end and the right end of each lower fixing plate respectively, the middle vertical plate is positioned between the left side plate and the right side plate, a through hole is formed in the middle vertical plate, a pin extending leftwards and rightwards and transversely penetrates through the left side plate and the right side plate, the middle of the pin slides leftwards and rightwards and penetrates through the through hole in the middle vertical plate, the left end and the right end of the pin are detachably and tightly connected with the left side plate and the right side plate respectively, a left spring is sleeved on the pin between the left side plate and the middle vertical plate, a right spring is sleeved on the pin between the right side plate and the middle vertical plate, a nut seat positioned in the base is connected below the lower fixing plate, the lateral surface of the nut seat is connected with a ball nut, a lead screw in threaded connection with the ball nut penetrates through the nut seat and the ball nut from left to right, one end of the lead screw is connected with a driving motor, and the other end of the lead screw is connected with a bearing seat.
2. The flexible feed ramp of claim 1, wherein: the left end of left side spring is provided with the left adjusting nut with pintle threaded connection, and the right-hand member of left side spring is provided with the left packing ring of sliding sleeve on the pintle and sticiss in well riser left surface, the right-hand member of right side spring is provided with the right adjusting nut with pintle threaded connection, and the left end of right side spring is provided with the right packing ring of sliding sleeve on the pintle and sticiss in well riser right flank to left packing ring diameter and right packing ring diameter all are greater than the diameter of through-hole.
3. The flexible feed ramp of claim 1, wherein: the bottom plate top is provided with two stoppers that are located the riser left and right sides, and two stoppers all leave the interval space with well riser between to stopper top surface is higher than well riser bottom surface.
4. The flexible feed ramp of claim 1, wherein: the middle part of the pin is integrally connected with a sliding ring, the sliding ring is concentric with the pin, the diameter of the sliding ring is larger than that of the pins on the left side and the right side of the sliding ring, the sliding ring penetrates through the through hole in a sliding mode, and the thickness of the sliding ring in the left-right direction is the same as that of the through hole in the left-right direction.
5. The flexible feed ramp of claim 1, wherein: two side by side's cylindricality locks around transversely running through between left side board and the right side board, two through-holes around opening on the well riser, two cylindricality locks on the riser in the middle of sliding respectively, and both ends are connected with left side board and the removable locking of right side board respectively about two cylindricality locks, and it has left spring all to overlap on two cylindricality locks between left side board and the well riser, and it has right spring all to overlap on the cylindricality lock between right side board and the well riser.
6. The flexible feed ramp of claim 5, wherein: the left end of two left springs all is provided with respectively with two pin threaded connection's left adjusting nut, the right-hand member of two left springs all is provided with respectively sliding sleeve on two pins and sticiss the left packing ring at well riser left surface, the right-hand member of two right springs all is provided with respectively with two pin threaded connection's right adjusting nut, the left end of two right springs all is provided with respectively sliding sleeve on two pins and sticiss the right packing ring at well riser right flank to left packing ring diameter and right packing ring diameter all are greater than the diameter of through-hole.
7. The flexible feed ramp of claim 5, wherein: the middle parts of the two pins are integrally connected with sliding rings, the sliding rings are concentric with the pins connected with the sliding rings, the diameters of the sliding rings are larger than those of the pins on the left side and the right side of the sliding rings, the sliding rings penetrate through the through holes in a sliding mode, and the thickness of the sliding rings in the left-right direction is the same as that of the through holes in the left-right direction.
8. The flexible feed ramp of claim 1, wherein: both ends are worn out respectively to left side board left side and right side board right side about the pin to equal threaded connection has fastening nut on the pin on left side board left side and the pin on right side board right side.
9. The flexible feed ramp of claim 1, wherein: the top of the side plate of the base is paved with a linear guide rail extending leftwards and rightwards, and the bottom of the workbench is provided with a sliding seat matched with the linear guide rail.
10. The flexible feed ramp of claim 1, wherein: the lower fixed plate upper surface is provided with the scale that is located left spring and right spring below, the scale is on a parallel with the pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111101649.9A CN113770746A (en) | 2021-09-18 | 2021-09-18 | Flexible feeding sliding table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111101649.9A CN113770746A (en) | 2021-09-18 | 2021-09-18 | Flexible feeding sliding table |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113770746A true CN113770746A (en) | 2021-12-10 |
Family
ID=78852280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111101649.9A Pending CN113770746A (en) | 2021-09-18 | 2021-09-18 | Flexible feeding sliding table |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113770746A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5301933A (en) * | 1990-02-27 | 1994-04-12 | Canon Kabushiki Kaisha | Sample moving device |
| US20030094056A1 (en) * | 2001-11-20 | 2003-05-22 | Park Kyi Hwan | Anti-backlash screw and nut assembly |
| CN102866033A (en) * | 2012-10-22 | 2013-01-09 | 清华大学 | Dynamic loading device for two-way tension and pressure |
| CN103934723A (en) * | 2014-04-23 | 2014-07-23 | 清华大学 | Controllable adjusting and measuring device of ball screw pretightening force and pretensioning amount |
| CN203743273U (en) * | 2014-03-26 | 2014-07-30 | 辽宁工业大学 | Double-coupling-spring pretightening force adjusting device |
| CN105666225A (en) * | 2016-04-22 | 2016-06-15 | 清华大学 | Ultra-precise low-speed ball screw linear feeding device |
| CN212478718U (en) * | 2019-11-25 | 2021-02-05 | 海南大学 | Self-resetting energy dissipater |
-
2021
- 2021-09-18 CN CN202111101649.9A patent/CN113770746A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5301933A (en) * | 1990-02-27 | 1994-04-12 | Canon Kabushiki Kaisha | Sample moving device |
| US20030094056A1 (en) * | 2001-11-20 | 2003-05-22 | Park Kyi Hwan | Anti-backlash screw and nut assembly |
| CN102866033A (en) * | 2012-10-22 | 2013-01-09 | 清华大学 | Dynamic loading device for two-way tension and pressure |
| CN203743273U (en) * | 2014-03-26 | 2014-07-30 | 辽宁工业大学 | Double-coupling-spring pretightening force adjusting device |
| CN103934723A (en) * | 2014-04-23 | 2014-07-23 | 清华大学 | Controllable adjusting and measuring device of ball screw pretightening force and pretensioning amount |
| CN105666225A (en) * | 2016-04-22 | 2016-06-15 | 清华大学 | Ultra-precise low-speed ball screw linear feeding device |
| CN212478718U (en) * | 2019-11-25 | 2021-02-05 | 海南大学 | Self-resetting energy dissipater |
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Application publication date: 20211210 |
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