CN207406731U - Screw support device - Google Patents
Screw support device Download PDFInfo
- Publication number
- CN207406731U CN207406731U CN201721548562.5U CN201721548562U CN207406731U CN 207406731 U CN207406731 U CN 207406731U CN 201721548562 U CN201721548562 U CN 201721548562U CN 207406731 U CN207406731 U CN 207406731U
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- CN
- China
- Prior art keywords
- nut
- supporting block
- support device
- leading screw
- pothook
- 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.)
- Withdrawn - After Issue
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 11
- 230000033001 locomotion Effects 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 230000005484 gravity Effects 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 7
- 238000005452 bending Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000009416 shuttering Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
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- Transmission Devices (AREA)
Abstract
The utility model discloses a kind of screw support devices, including setting leading screw in orbit, nut and support device, support device includes two supporting blocks and unlocking mechanism, supporting block is equipped with pothook, the both sides of nut are equipped with the first card slot, unlocking mechanism includes pedestal and bumping post, nut moves on leading screw, make supporting block that nut be followed to slide by the first card slot and the clamping of one of pothook, when nut passes through bumping post, the supporting block that nut moves is followed to separate and rest at this with nut under the action of bumping post, nut and the clamping of another supporting block and synchronizing moving.The utility model, one of supporting block follows nut to slide during nut is mobile on leading screw, another supporting block is supported on the middle part of leading screw always, for longer leading screw, its middle part is prevented to be bent downwardly under the action of its own gravity, the phenomenon that leading screw is caused to deform, shake during the work time, makes nut transmission more stablize, while adds the precision of positioning.
Description
Technical field
The utility model is related to screw fields, and in particular to screw support device.
Background technology
Screw is actuated element most-often used on machine tool and precision optical machinery, and major function is to turn rotary motion
Change linear movement into or torque be converted into axial repeated action power, vice versa, while have both high-precision, invertibity and
Efficient feature, screw are widely used in various industrial equipments and precision instrument.
Traditional screw is mainly made of leading screw and nut, passes through the tight fit of leading screw and nut, stable transmission, precision
Height, but when the length of leading screw is larger, the middle part of leading screw can be bent downwardly under the action of self gravitation, and leading screw is caused to follow
During motor rotates, middle part shakes, and then reduces the precision of nut transmission.
It can be seen that screw of the prior art exists when the length of its leading screw is larger, under the action of self gravitation
The problem of rotating the unstable low precision that it is caused to be driven.
Utility model content
Technical problem to be solved in the utility model is that current screw exists when the length of its leading screw is larger, certainly
The problem of unstable low precision that it is caused to be driven is rotated under the action of body gravity.
In order to solve the above-mentioned technical problem, there is provided a kind of screw support dresses for technical solution used by the utility model
It puts, including the nut for setting leading screw in orbit and being adapted with the leading screw, further includes support device, the support device
Including：
Two supporting blocks, are slidably arranged in track respectively, and positioned at the both sides of the nut, the supporting block is equipped with
Pothook, the both sides of the nut are respectively equipped with the first card slot being adapted with the pothook；
Unlocking mechanism, including the bumping post that pedestal in orbit is fixedly installed and is arranged on the pedestal, described in two
Supporting block is located at the both sides of the bumping post respectively, and is configured to the nut when being moved on the leading screw：
By first card slot and the pothook clamping of supporting block one of them described the supporting block is made synchronously to follow
The nut slides in orbit, when the nut passes through the bumping post, follows the supporting block of the nut movement in institute
It states and separates under the action of bumping post and rested at this with the nut, the nut and supporting block clamping another described are simultaneously synchronous
It is mobile.
In said program, the top of the pothook is equipped with V-shaped baffle, and the V-shaped baffle keeps out institute by being used for
State the first baffle of bumping post and the second baffle composition for engaging with the nut, the free end of the second baffle is to downward
Stretch the first grab for being equipped with to be clamped first card slot.
In said program, the middle part of the pothook is equipped with first through hole, and the pothook is by passing through described first
The first rotating shaft that through hole is set is rotatably arranged on the top of the supporting block, and the outer circumferential surface of the first rotating shaft is arranged with the first torsion
Spring, two torque arm of first torsional spring are fixed respectively with the first through hole and the supporting block.
In said program, the first lead is fixed at the top of the supporting block, the bottom of the supporting block is equipped with
The first sliding groove slided around first lead.
In said program, the top of each supporting block is arranged with two institutes along the length direction of the leading screw
State pothook.
In said program, the bottom at the both ends of the supporting block is equipped with sliding block, and track is equipped with for the sliding block
The guide rail of slip.
In said program, fluting is equipped in the pedestal, the inner rotation of the fluting is equipped with clip assembly, the card
Connected components include：
Runner, the middle part of the fluting are equipped with the second lead, and the middle part of the runner is equipped with and can be led around described second
The second sliding slot slided to column, the one side of the runner are equipped with the second through hole, and the runner is by being threaded through second through hole
The second interior shaft is rotatably arranged in the fluting；
Second grab is extended outward to form by the runner, and the bottom of the supporting block is equipped with and the second grab phase
Second card slot of adaptation.
In said program, the lateral surface of second shaft is arranged with the second torsional spring, and the both ends of second torsional spring are set
There is the second torque arm, one of them described second torque arm is arranged on the inner wall of second through hole, another described second torque arm
It is arranged on the inner wall of the fluting.
In said program, the top of the runner protrudes the fluting and sets.
In said program, second card slot is dovetail groove, and the top of second grab is arc.
The utility model, one of supporting block follows nut to slide during nut is mobile on leading screw, another
Supporting block is supported on the middle part of leading screw always, for longer leading screw, prevents its middle part under the action of its own gravity downwards
The phenomenon that bending, leading screw is caused to deform, shake during the work time makes nut transmission more stablize, while adds and determine
The precision of position.
Description of the drawings
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is the structure diagram when nut of the utility model engages with supporting block；
Fig. 3 is the structure diagram when supporting block of the utility model is rested in the middle part of leading screw；
Fig. 4 is structure diagram when second grab of the utility model engages with the second card slot；
Fig. 5 is the structure diagram of the supporting block of the utility model；
Fig. 6 is the front view of the supporting block of the utility model；
Fig. 7 is the side view of the supporting block of the utility model；
Fig. 8 is the structure diagram of the pothook of the utility model；
Fig. 9 is the structure diagram of the unlocking mechanism of the utility model；
Figure 10 is the partial enlarged view at the A in Fig. 2 of the utility model；
Figure 11 is the partial enlarged view at the B in Fig. 3 of the utility model；
Figure 12 is the partial enlarged view at the C in Fig. 4 of the utility model.
Specific embodiment
The utility model is described in detail with reference to specific embodiment and Figure of description.
As shown in Figure 1, the utility model provides a kind of screw support device, including set leading screw 100 in orbit,
Nut 200 and fixed leading screw 100 and support device.
Support device includes two supporting blocks 300 and unlocking mechanism 500, and two supporting blocks 300 are slidably arranged in rail respectively
In road, and positioned at the both sides of nut 200, supporting block 300 is equipped with pothook 400, and the both sides of nut 200 are respectively equipped with and grab
The first card slot 210 that portion 400 is adapted, unlocking mechanism 500 include the pedestal 510 of fixed setting in orbit and are arranged on pedestal
Bumping post 520 on 510, two supporting blocks 300 are located at the both sides of bumping post 520 respectively.
Nut 200 passes through the first card slot 210 and the pothook of one of supporting block 300 when being moved on leading screw 100
400 clampings make supporting block 300 that nut 200 synchronously be followed to slide in orbit, when nut 200 is by bumping post 520, follow nut
200 movement supporting blocks 300 separate and rest at this with nut 200 under the action of bumping post 520, nut 200 and another
The clamping of supporting block 300 and synchronizing moving.
The utility model makes 300 supports in turn of supporting block for longer leading screw 100, prevent it at the middle part of leading screw 100
Middle part is bent downwardly under the action of its own gravity, prevents leading screw 100 from occurring the phenomenon that deformation, vibrations during the work time,
It is simple in structure, it is easy to produce.
As shown in Fig. 3, Fig. 8 and Figure 11, incited somebody to action for the clamping for realizing nut 200 and pothook 400 and by bumping post 520
Nut 200 and supporting block 300 separate, and set V-shaped baffle at the top of pothook 400, V-shaped baffle keeps out bumping post by being used for
520 first baffle 410 and second baffle 420 for engaging with nut 200 form, and the free end of second baffle 420 is downward
Extension is equipped with for being clamped the first grab 421 of the first card slot 210, by the cooperation of the first grab 421 and the first card slot 210,
Realize the connection of pothook 400 and nut 200, it is simple in structure.
As shown in figure 8, the middle part of pothook 400 is equipped with first through hole 430, pothook 400 is by passing through first through hole 430
The first rotating shaft of setting is rotatably arranged on the top of supporting block 300, and the outer circumferential surface of first rotating shaft is arranged with the first torsional spring, and first turns round
The both ends of spring are equipped with the first torque arm, one of them first torque arm is arranged on the inner wall of first through hole 430, another first torque arm
It is arranged in supporting block 300, pothook 400 is rotated around first rotating shaft, and passing through the first torsional spring makes it be resetted after rotating.
As shown in Fig. 2, Fig. 9 and Figure 10, the first lead 310, supporting block 300 are fixed at the top of supporting block 300
Bottom be equipped with around the first lead 310 slide the first sliding groove 440, improve the fluency of rotation, while limit grab
The scope that portion 400 rotates, booster action is played to the rotation of pothook 400.
The top of each supporting block 300 is arranged with two pothooks 400, two cards along the length direction of leading screw 100
Hook portion 400 is symmetrical arranged, synchronous to use, and is increased the balance and stability of connection, is made the connection of supporting block 300 and nut 200
More stablize.
As shown in Figure 5 and Figure 6, in order to improve the fluency that supporting block 300 is slided in orbit, the two of supporting block 300
The bottom at end can set sliding block 320, and track is equipped with the guide rail slided for sliding block 320, reduces frictional force.
In use, supporting block 300 departs under the action of bumping post 520 with nut 200, in order to rest on this
Place plays the role of supporting leading screw 100, and fluting 501 is set in pedestal 510, is rotated in fluting 501 and is equipped with clip assembly, card
Connected components include 530 and second grab 540 of runner.
It is set as shown in figure 9, the top of runner 530 protrudes fluting 501, the bottom of nut 200 is by driving runner 530
Top rotates, and then rotates the second grab 540, and 501 middle part of slotting is equipped with the second lead, and the middle part of runner 530 is equipped with
The second sliding slot that the second lead slides can be surrounded, the one side of runner 530 is equipped with the second through hole, and runner 530 is by being threaded through the
The second shaft in two through holes is rotatably arranged in fluting 501.
As shown in Fig. 4, Fig. 7 and Figure 12, the second grab 540 is extended outward to form by runner 530, the bottom of supporting block 300
Equipped with the second card slot 330 being adapted with the second grab 540, the second card slot 330 is dovetail groove, and the top of the second grab 540
For arc, convenient for the engaging and abjection of the second grab of card 540, the second grab 540 is rotated around the second shaft, the second sliding slot limit
The scope of the second grab 540 rotation is made, it is simple in structure.
In order to which the second grab 540 is made to be resetted after rotating, the second torsional spring, the second torsional spring are arranged in the lateral surface of the second shaft
Both ends be equipped with the second torque arm, one of them second torque arm is arranged on the inner wall of the second through hole, another second torque arm is set
On the inner wall of fluting 501.
The application method of the utility model is as follows：
Before use, nut 200 is set on leading screw 100 and passes through the first card slot 210 and the first grab 421 is clamped wherein one
A supporting block 300, another supporting block 300 are connected to the one side of pedestal 510 by the second grab 540 and the second card slot 330, and
The middle part of leading screw 100 is supported on by the supporting block 300, makes the slow-roll stabilization of leading screw 100.
In use, when nut 200 moves to the right, nut 200 drives the supporting block 300 in left side to move to leading screw 100
Middle part, the supporting block 300 of the end contact of the direction of advance of nut 200 to right side, nut 200 moves forward, at this
Support shuttering is fixed under the action of the second grab 540 and the second card slot 330 again, nut 200 during traveling with the first card
Hook 421 contacts, and engages the first grab 421 of the side and the first card slot 210, at this time the bottom of nut 200 and runner 530
Top contacts, and runner 530 is driven to rotate, and the second grab 540 moves downward under the drive of runner 530, makes the second grab 540
It is disengaged with the second card slot 330, nut 200 drives the supporting block 300 on right side to move, and the second torsional spring resets the second grab 540；
At this point, the supporting block 300 in left side, during movement, the bumping post 520 in left side withstands first baffle 410, the
One grab 421 is rotated up around first rotating shaft, the first grab 421 and the first card slot 210 is caused to separate, i.e. the supporting block in left side
300 separate with nut 200, while 540 second card slot 330 of the second grab engages, and the supporting block 300 in left side is made to be fixed on the position
It puts, the first grab 421 resets under the action of the first torsional spring, plays the role of supporting leading screw 100, vice versa.
The utility model, one of supporting block follows nut to slide during nut is mobile on leading screw, another
Supporting block is supported on the middle part of leading screw always, for longer leading screw, prevents its middle part under the action of its own gravity downwards
The phenomenon that bending, leading screw is caused to deform, shake during the work time makes nut transmission more stablize, while adds and determine
The precision of position.
The utility model is not limited to above-mentioned preferred forms, and anyone should learn that under the enlightenment of the utility model
The structure change made, it is every that there is same or similar technical solution with the utility model, each fall within the guarantor of the utility model
Within the scope of shield.
Claims (10)
1. screw support device, including the nut for setting leading screw in orbit and being adapted with the leading screw, which is characterized in that
Support device is further included, the support device includes：
Two supporting blocks, are slidably arranged in track respectively, and positioned at the both sides of the nut, the supporting block is equipped with grab
Portion, the both sides of the nut are respectively equipped with the first card slot being adapted with the pothook；
Unlocking mechanism, including the bumping post that pedestal in orbit is fixedly installed and is arranged on the pedestal, two supports
Block is located at the both sides of the bumping post respectively, and is configured to the nut when being moved on the leading screw：
By first card slot and the clamping of the pothook of one of them supporting block the supporting block is made synchronously to follow described
Nut slides in orbit, when the nut passes through the bumping post, follows the supporting block of the nut movement in the gear
Separate and rest at this with the nut under the action of column, at this point, the nut with another described supporting block clamping and it is same
Moved further.
2. screw support device as described in claim 1, which is characterized in that the top of the pothook is equipped with V-shaped baffle,
The V-shaped baffle is formed by being used to keep out the first baffle of the bumping post and the second baffle for engaging with the nut,
The free end of the second baffle extends downwardly the first grab for being equipped with to be clamped first card slot.
3. screw support device as described in claim 1, which is characterized in that the middle part of the pothook is equipped with first through hole,
The pothook is rotatably arranged on the top of the supporting block by passing through the first rotating shaft that the first through hole is set, and described the
The outer circumferential surface of one shaft is arranged with the first torsional spring, two torque arm of first torsional spring respectively with the first through hole and the branch
Bracer is fixed.
4. screw support device as described in claim 1, which is characterized in that first is fixed at the top of the supporting block and is led
Xiang Zhu, the bottom of the supporting block are equipped with the first sliding groove slided around first lead.
5. screw support device as described in claim 1, which is characterized in that the top of each supporting block is along the silk
The length direction of thick stick is arranged with two pothooks.
6. screw support device as described in claim 1, which is characterized in that the bottom at the both ends of the supporting block is equipped with cunning
Block, track are equipped with the guide rail slided for the sliding block.
7. screw support device as described in claim 1, which is characterized in that fluting is equipped in the pedestal, the fluting
Inner rotation is equipped with clip assembly, and the clip assembly includes：
Runner, the middle part of the fluting are equipped with the second lead, and the middle part of the runner, which is equipped with, can surround second lead
The second sliding slot slided, the one side of the runner are equipped with the second through hole, and the runner is by being threaded through in second through hole
Second shaft is rotatably arranged in the fluting；
Second grab is extended outward to form by the runner, and the bottom of the supporting block is equipped with to be adapted with second grab
The second card slot.
8. screw support device as claimed in claim 7, which is characterized in that the lateral surface of second shaft is arranged with second
Torsional spring, the both ends of second torsional spring are equipped with the second torque arm, one of them described second torque arm is arranged on second through hole
On inner wall, another described second torque arm is arranged on the inner wall of the fluting.
9. screw support device as claimed in claim 7, which is characterized in that the top of the runner protrudes the fluting and sets
It puts.
10. screw support device as claimed in claim 7, which is characterized in that second card slot be dovetail groove, described second
The top of grab is arc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721548562.5U CN207406731U (en) | 2017-11-17 | 2017-11-17 | Screw support device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721548562.5U CN207406731U (en) | 2017-11-17 | 2017-11-17 | Screw support device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207406731U true CN207406731U (en) | 2018-05-25 |
Family
ID=62316762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721548562.5U Withdrawn - After Issue CN207406731U (en) | 2017-11-17 | 2017-11-17 | Screw support device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207406731U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107701678A (en) * | 2017-11-17 | 2018-02-16 | 安道利佳智能科技（北京）股份公司 | Screw mandrel support meanss |
-
2017
- 2017-11-17 CN CN201721548562.5U patent/CN207406731U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107701678A (en) * | 2017-11-17 | 2018-02-16 | 安道利佳智能科技（北京）股份公司 | Screw mandrel support meanss |
| CN107701678B (en) * | 2017-11-17 | 2024-03-22 | 安道利佳智能科技（北京）股份公司 | Screw rod supporting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180525 Effective date of abandoning: 20240322 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20180525 Effective date of abandoning: 20240322 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |