CN209354605U - A kind of lifting device - Google Patents
A kind of lifting device Download PDFInfo
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- CN209354605U CN209354605U CN201822115980.6U CN201822115980U CN209354605U CN 209354605 U CN209354605 U CN 209354605U CN 201822115980 U CN201822115980 U CN 201822115980U CN 209354605 U CN209354605 U CN 209354605U
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- lifting
- nut
- box
- screw
- ball
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Abstract
The utility model discloses a kind of lifting devices, comprising: guide rod, linear bearing go up and down box, nut briquetting, ball-screw；Ball-screw includes screw rod, nut, fixing seat, it is characterized in that, the ball-screw passes through lifting box, nut is in lifting box, nut and lifting box have gap, nut briquetting is connect with lifting box, and fixed block is clipped in the middle by nut briquetting and lifting box, and fixed block has gap between nut briquetting and lifting box.The utility model effectively avoids because guide rod and the not parallel generation of ball-screw are blocked by setting nut and the gap for going up and down box, and gap of the setting fixed block between nut briquetting and lifting box, guarantees that device operates normally.
Description
Technical field
The present invention relates to lifting devices, particularly relate to a kind of lifting device.
Background technique
Ball-screw is actuated element most-often used on machine tool and precision machinery, and major function is will to rotate fortune
Turn changes linear movement into, or torque is converted into axial repeated action power, while having both high-precision, invertibity and efficient
Feature.Due to the frictional resistance with very little, ball-screw is widely used in various industrial equipments and precision instrument, especially
Lifting device.
Ball-screw includes: screw rod, nut, fixing seat, in the prior art, the utilization of the ball-screw in lifting device
It is to be fixedly connected with fixing seat with component to be driven, component movement is then driven by rotation screw rod, still, in the course of work
Middle ball-screw and guide rod are easy to happen relative displacement, are no longer parallel to each other, so that component movement is caused to generate retardance, it can not
It works normally.
Based on the above circumstances, a kind of lifting device is needed, to solve the problems, such as the above lifting device.
Summary of the invention
The object of the present invention is to provide a kind of lifting device, asked with solve that lifting device occurs that retardance can not work normally
Topic.
In order to reach purpose, the present invention provides a kind of lifting device, comprising:
Guide rod, linear bearing go up and down box, nut briquetting, ball-screw；Ball-screw includes screw rod, nut, fixation
Seat, which is characterized in that the ball-screw passes through lifting box, and for nut in lifting box, nut and lifting box have gap, nut pressure
Block is connect with lifting box, and fixed block is clipped in the middle by nut briquetting and lifting box, and fixed block is between nut briquetting and lifting box
There is gap.
It preferably, further include lifting top plate, lifting bottom plate, P lifting connector, Q band square base bearing, the P is a
The both ends of lifting connector are separately connected lifting top plate and lifting bottom plate, and Q band square base bearing is arranged in lifting top plate and liter
The inside of bottom plate drops, the both ends of ball-screw connects with square base bearing, the both ends of guide rod be separately connected go up and down top plate with
Bottom plate is gone up and down, P, Q are all larger than 1.
It preferably, further include lifting tooth fork, the lifting tooth fork setting is on lifting box.
It preferably, further include 2*P limit positioning group, limit column, the 2*P limit positioning group setting is in lifting connector
Both ends, limit column be arranged in lifting bottom plate inside.
It preferably, further include lower cushion, upper cushion, the lower cushion is arranged on limit column, upper cushion set
If on the guide bar.
It preferably, further include parallel key, the end of ball-screw is arranged in the parallel key.
The present invention is include at least the following beneficial effects:
In the present solution, by setting lifting box, and the linear bearing being arranged on lifting box, setting are set in linear axes
Interior guide rod is held, the ball-screw of lifting box is arranged through, the nut in lifting box is set, between nut and lifting box have
The fixing seat connecting with nut is arranged in gap, and the nut briquetting connecting with lifting box, nut briquetting and lifting box is arranged by fixed block
It is clipped in the middle, fixed block has gap between nut briquetting and lifting box, in this way, screw rod opposing nut rotates, and then by solid
Reservation drives lifting box to move up and down, when guide rod and ball-screw are subjected to displacement no longer parallel, nut and lifting box
Between gap and fixed block nut briquetting and lifting box between gap can offset displacement bring influence, prevent from hindering
Stagnant generation guarantees the normal operation of device.Meanwhile in the present solution, going up and down connector phase by P lifting connector of setting
Mutually parallel, setting lifting top plate and lifting bottom plate, the both ends for going up and down connector are separately connected lifting top plate and lifting bottom plate, setting
In lifting top plate and Q band square base bearing on the inside of bottom plate is gone up and down, the both ends of ball-screw connect with square base bearing, lead
It is separately connected lifting top plate and lifting bottom plate to the both ends of bar, P, Q are all larger than 1, in this way, lifting connector can be fixedly secured liter
Top plate and lifting bottom plate drop, and ball-screw can rotate on band square bearing, and then drive lifting box mobile, to ensure that
The normal operation of device.Meanwhile in the present solution, being pitched by the lifting tooth being arranged on lifting box, in this way, can be pitched by tooth
Product is efficiently loaded, is transported, production efficiency greatly improved.Meanwhile in the present solution, being connected by setting in lifting
The 2*P limit positioning group at fitting both ends, and the limit column on the inside of lifting bottom plate is set, in this way, being moved down on lifting box
Limit positioning group is encountered during dynamic, limit positioning group will issue signal control power source and stop driving ball-screw rotation,
Prevent lifting box from colliding with lifting top plate or lifting bottom plate, the failure if limit positioning group breaks down, lifting box can be by pole
Limit column blocks, and realizes the effect of double insurance, ensure that the normal operation of device.Meanwhile in the present solution, being existed by setting
Lower cushion on limit column, and setting upper cushion on the guide bar, this way it is possible to avoid lifting box and limit column,
It goes up and down top plate and direct collision occurs, play the role of a buffer protection, improve the durability of device.Meanwhile in we
In case, by the way that the parallel key of ball-screw end is arranged in, in this way, can be applied by parallel key to ball-screw with power source
Add rotating torque, and then drives ball screw turns.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of specific embodiment of lifting device of the invention.
Fig. 2 is the left view of lifting device of the invention.
Fig. 3 is the sectional view at the A-A of lifting device of the invention.
Fig. 4 is the partial schematic diagram at the B of lifting device of the invention.
Appended drawing reference: 1- guide rod, 2- linear bearing, 3- go up and down box, 4- nut briquetting, 5- ball-screw, 6- screw rod, 7-
Nut, 8- fixing seat, the gap 9-, 10- lifting top plate, 11- lifting bottom plate, 12- lifting connector, 13- band square base bearing,
14- goes up and down tooth fork, 15- limit positioning group, 16- limit column, 17- lower cushion, 18- upper cushion, 19- parallel key.
Specific embodiment
More detailed description is done to embodiments of the present invention below in conjunction with attached drawing and appended drawing reference, makes to be familiar with this field
Technology people can implement accordingly after studying this specification carefully.It should be appreciated that specific embodiment described herein is only to explain this
Invention, is not intended to limit the present invention.
In the description of the present invention, it should be noted that the orientation or position of the instructions such as term " on ", "horizontal", "inner"
Relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description of the present invention and simplification of the description, without referring to
Show or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot manage
Solution is limitation of the present invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation " " connects
Connect " it shall be understood in a broad sense, for example, it may be being fixedly connected, it may be a detachable connection, or be integrally connected；It can be machine
Tool connection, is also possible to be electrically connected；It can be directly connected, two members can also be can be indirectly connected through an intermediary
Connection inside part.For the ordinary skill in the art, above-mentioned term can be understood in the present invention with concrete condition
Concrete meaning.
Fig. 1 ~ 4 show a kind of lifting device of the invention, comprising:
Guide rod 1, linear bearing 2 go up and down box 3,7 briquetting 4 of nut, ball-screw 5；Ball-screw 5 includes screw rod 6, spiral shell
Female 7, fixing seat 8, which is characterized in that the ball-screw 5 passes through lifting box 3, and nut 7 is in lifting box 3, nut 7 and lifting
Box 3 has gap 9, and 7 briquetting 4 of nut is connect with lifting box 3, and fixed block is clipped in the middle by 7 briquetting 4 of nut and lifting box 3, fixed block
There is gap 9 between 7 briquetting 4 of nut and lifting box 3.
Using this scheme, box 3 is gone up and down by setting, and the linear bearing 2 being arranged on lifting box 3, setting is arranged
Guide rod 1 in linear bearing 2 is arranged through the ball-screw 5 of lifting box 3, and the nut 7 in lifting box 3, nut is arranged in
7 have gap 9 with lifting box 3, and the fixing seat 8 connecting with nut 7 is arranged, and 7 briquetting 4 of nut connecting with lifting box 3, nut is arranged
Fixed block is clipped in the middle by 7 briquettings 4 and lifting box 3, and fixed block has gap 9 between 7 briquetting 4 of nut and lifting box 3, in this way,
The rotation of 6 opposing nut 7 of screw rod, and then drive lifting box 3 to move up and down by fixing seat 8, when guide rod 1 and ball-screw 5 are sent out
Raw displacement, when no longer parallel, the gap 9 and fixed block between nut 7 and lifting box 3 are in 7 briquetting 4 of nut and lifting box
Gap 9 between 3, which can offset displacement bring, to be influenced, and is prevented retardance, is guaranteed the normal operation of device.
In another example, further includes lifting top plate 10, goes up and down bottom plate 11, P lifting connector 12, Q with rectangular
Seat bearing 13, the both ends of the P lifting connector 12 are separately connected lifting top plate 10 and lifting bottom plate 11, Q band square base
Bearing 13 is arranged in lifting top plate 10 and goes up and down the inside of bottom plate 11, and the both ends of ball-screw 5 are connect with square base bearing 13,
The both ends of guide rod 1 are separately connected lifting top plate 10 and lifting bottom plate 11, and P, Q are all larger than 1.
Using this scheme, by the way that P lifting connector 12 is arranged, lifting connector 12 is parallel to each other, setting lifting top
Plate 10 and lifting bottom plate 11, the both ends of lifting connector 12 are separately connected lifting top plate 10 and lifting bottom plate 11, and setting is being gone up and down
Q band square base bearing 13 of 11 inside of top plate 10 and lifting bottom plate, the both ends of ball-screw 5 connect with square base bearing 13
It connects, the both ends of guide rod 1 are separately connected lifting top plate 10 and lifting bottom plate 11, and P, Q are all larger than 1, in this way, lifting connector 12 can
To be fixedly secured lifting top plate 10 and lifting bottom plate 11, ball-screw 5 can rotate on band square bearing, and then drive lifting
Box 3 is mobile, to ensure that the normal operation of device.
It further include lifting tooth fork 14 in another example, 14 setting of lifting tooth fork is on lifting box 3.
Using this scheme, by the lifting tooth fork 14 being arranged on lifting box 3, in this way, can be pitched by tooth to product
It efficiently loaded, transported, production efficiency greatly improved.
It further include 2*P limit positioning group 15 in another example, limit column 16, the 2*P limit positioning group 15 is set
It sets at the both ends of lifting connector 12, the inside of lifting bottom plate 11 is arranged in limit column 16.
Using this scheme, the 2*P limit positioning group 15 at 12 both ends of connector is gone up and down by being arranged in, and setting exists
The limit column 16 of 11 inside of bottom plate is gone up and down, in this way, encountering limit positioning group 15 during going up and down box 3 and moving up and down, the limit is fixed
Hyte 15 will issue signal control power source and stop driving ball-screw rotation, prevent lifting box 3 and go up and down top plate 10 or rise
Drop bottom plate 11 collides, and the failure if limit positioning group 15 breaks down, lifting box 3 can be blocked by limit column 16, realizes double
The effect insured again ensure that the normal operation of device.
It further include lower cushion 17, upper cushion 18 in another example, the lower cushion 17 is arranged in limit column
On 16, upper cushion 18 is set on guide rod 1.
Using this scheme, by the lower cushion 17 being arranged on limit column 16, and it is arranged in upper on guide rod 1
Cushion 18 plays a buffering this way it is possible to avoid direct collision occurs for lifting box 3 and limit column 16, lifting top plate 10
The effect of protection improves the durability of device.
It further include parallel key 19 in another example, the end of ball-screw 5 is arranged in the parallel key 19.
Using this scheme, by the way that the parallel key 19 of 5 end of ball-screw is arranged in, in this way, can be led to power source
It crosses parallel key 19 and rotating torque is applied to ball-screw 5, and then ball-screw 5 is driven to rotate.
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed
With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easily
Realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, the present invention is simultaneously unlimited
In specific details and legend shown and described herein.
Claims (6)
1. a kind of lifting device, comprising: guide rod (1), linear bearing (2) go up and down box (3), nut (7) briquetting (4), ball wire
Thick stick (5)；Ball-screw (5) includes screw rod (6), nut (7), fixing seat (8), which is characterized in that the ball-screw (5) passes through
It goes up and down box (3), nut (7) is being gone up and down in box (3), and nut (7) and lifting box (3) have gap (9), nut (7) briquetting (4) and liter
Box (3) connection is dropped, and fixed block is clipped in the middle by nut (7) briquetting (4) and lifting box (3), and fixed block is in nut (7) briquetting (4)
There are gap (9) between lifting box (3).
2. lifting device according to claim 1, which is characterized in that further include lifting top plate (10), lifting bottom plate (11), P
A lifting connector (12), Q band square base bearing (13), the both ends of P lifting connector (12) are separately connected lifting
Top plate (10) and lifting bottom plate (11), Q is arranged in lifting top plate (10) and goes up and down bottom plate (11) with square base bearing (13)
Inside, the both ends of ball-screw (5) are connect with square base bearing (13), and the both ends of guide rod (1) are separately connected lifting top plate
(10) and bottom plate (11) are gone up and down, P, Q are all larger than 1.
3. lifting device according to claim 1, which is characterized in that it further include lifting tooth fork (14), the lifting tooth fork
(14) setting is in lifting box (3).
4. lifting device according to claim 1, which is characterized in that further include 2*P limit positioning group (15), limit column
(16), 2*P limit positioning group (15) setting is at the both ends of lifting connector (12), and limit column (16) setting is in lifting bottom plate
(11) inside.
5. lifting device according to claim 1, which is characterized in that further include lower cushion (17), upper cushion (18), institute
It states lower cushion (17) to be arranged on limit column (16), upper cushion (18) is set on guide rod (1).
6. lifting device according to claim 1, which is characterized in that further include parallel key (19), the parallel key (19) sets
Set the end in ball-screw (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822115980.6U CN209354605U (en) | 2018-12-17 | 2018-12-17 | A kind of lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822115980.6U CN209354605U (en) | 2018-12-17 | 2018-12-17 | A kind of lifting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209354605U true CN209354605U (en) | 2019-09-06 |
Family
ID=67799145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822115980.6U Active CN209354605U (en) | 2018-12-17 | 2018-12-17 | A kind of lifting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209354605U (en) |
-
2018
- 2018-12-17 CN CN201822115980.6U patent/CN209354605U/en active Active
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