CN208825996U - Screw floats high detection mechanism - Google Patents
Screw floats high detection mechanism Download PDFInfo
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- CN208825996U CN208825996U CN201821235996.4U CN201821235996U CN208825996U CN 208825996 U CN208825996 U CN 208825996U CN 201821235996 U CN201821235996 U CN 201821235996U CN 208825996 U CN208825996 U CN 208825996U
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- screw
- screw gun
- gun
- detection mechanism
- high detection
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Abstract
The utility model discloses a kind of screws to float high detection mechanism, including control system, screw gun and the displacement sensor being located on screw gun, the torsion switch that can be opened and closed screw gun is equipped in screw gun, the timer of the measurement screw gun duration of runs is equipped in control system, screw gun lower end is equipped with screwdriver bit, displacement sensor and torsion switch are electrically connected with control system, and displacement, torque value, a reference value of time are arranged in control system；Mechanism starting, screw gun moves downward, when screwdriver bit starts to tighten screw, timer starts timing, when the rotary torsion of screwdriver bit is greater than baseline torsional value, screw gun is closed, timer stops timing and obtains measured time value, displacement sensor detects the downward absolute fix value of this process screw gun, when absolute fix value, measured time value are respectively compared with respective a reference value, in error range, then indicate that screw tightening is normal, by comprehensive descision, increase judgment accuracy, reduces security risk.
Description
Technical field
The utility model relates to detection technique fields more particularly to a kind of screw to float high detection mechanism.
Background technique
Currently, the usage amount of precise electronic product is increasing, especially mobile phone, and in mobile phone installation there are many screw,
If screw has floating high or sliding teeth, the subsequent assembly working of mobile phone can be brought a great deal of trouble, or even can not assemble, and
It will affect the service life of mobile phone.In the prior art, the screw on screw detecting machine float high detection mechanism using torsional test or
The method of person's laser ranging is floating high to detect screw.Torsional test method is to tighten screw to torque test device transmitting with mechanism
When torsion indirectly react whether screw has been tightened, this skill by compared with a reference value being arranged in torque test device
Art cannot directly measure screw with the presence or absence of floating height, and cannot judge whether screw blocks, in this case stubborn
Tight movement is easy to damage screw carrier.Laser distance measurement method is that laser sensor is installed in the mechanism for tighten screw, laser
Sensor induction mechanism tightens displacement when screw, by being compared with preset positional value, judges whether screw is tightened
In place, if there is floating height, this method can not judge screw sliding teeth, and making mobile phone, there are hidden danger.
Utility model content
In order to overcome the above-mentioned deficiencies of the prior art, the utility model provides a kind of floating high detection mechanism of screw, energy
It is enough to judge whether floating high and other abnormal conditions of screw from many aspects, increase the accuracy of screw tightening state judgement, improves
Packaging efficiency reduces security risk.
The utility model solves technical solution used by its technical problem are as follows:
A kind of screw floats high detection mechanism, including control system, screw gun and the displacement sensor being connected on screw gun,
Institute's displacement sensors can detect the distance that screw gun moves up and down, and open in the screw gun equipped with the torsion that can be opened and closed screw gun
It closes, the timer of the measurement screw gun duration of runs is equipped in the control system, the screw gun lower end is equipped with screwdriver bit,
Institute's displacement sensors and torsion switch are electrically connected with control system.
As an improvement of the above technical solution, the side of the screw gun is equipped with detection cylinder, the detection cylinder lower end
Equipped with high head is visited, whether the high detectable screw carrier of the spy is smooth.
As an improvement of the above technical solution, the lower end outer cover of the screwdriver bit is equipped with vacuum sleeve, the vacuum
The adsorbable screw of sleeve, the vacuum sleeve upper end are equipped with vacuum adapter.
As an improvement of the above technical solution, the upper end of the screwdriver bit is equipped with magnet.
It as an improvement of the above technical solution, further include the straight guide on screw detecting machine, the side of the screw gun
Face is fixed with the guide block that can be slided on straight guide.
As an improvement of the above technical solution, the upper end of institute's displacement sensors connects straight guide, and lower end connects guide block.
As an improvement of the above technical solution, the upper end of the guide block is connected with pressure spring, and the upper end connection of the pressure spring is straight
Guide rail, the pressure spring can apply downward pressure to screw gun.
As an improvement of the above technical solution, it is provided with two synchronizing wheels being in vertical distribution on the straight guide, two
Synchronous belt is arranged in synchronizing wheel, the side of the synchronous belt connects guide block, and one of synchronizing wheel is driven by a motor.
As an improvement of the above technical solution, the upper end of the screw gun is connected with tension spring, the upper end connection of the tension spring
Straight guide.
The beneficial effects of the utility model have:
This screw, which floats, is provided with the basis displacement value of displacement sensor, torsion switch in the control system of high detection mechanism
Baseline torsional value, the reference time value of timer and respective error range, mechanism starting, screw gun move downward, and work as spiral shell
When silk screwdriver bit starts to tighten screw, timer starts timing, and the rotary torsion for working as screwdriver bit is greater than baseline torsional value, then spiral shell
Silk rifle is closed under the action of torsion switch, and timer stops timing and obtains a measured time value, displacement sensor at this time
The downward absolute fix value of detection screw gun in this process, when absolute fix value is compared with basis displacement value, the measured time
Value is compared with reference time value, in respective error range, then it represents that screw tightening is normal, floats height and other are different
Reason condition；Comprehensive descision is carried out by the time of displacement and rotation to screw gun, increases the accurate of screw tightening state judgement
Property, packaging efficiency is improved, security risk is reduced.It may be screw no marking if absolute fix value is greater than basis displacement value；If real
It surveys positional value and is less than basis displacement value, and measured time value is less than reference time value, then illustrates that screw deflects；If absolute fix value
Equal to basis displacement value, and measured time value is greater than reference time value, then illustrates screw sliding teeth；When there are these abnormal conditions,
Control system will do it alarm.
Detailed description of the invention
With reference to the accompanying drawing and specific embodiment the utility model is described in further detail, in which:
Fig. 1 is the structural schematic diagram of the utility model embodiment；
Fig. 2 is the left view of the utility model embodiment.
Specific embodiment
Referring to Fig. 1, a kind of screw of the utility model floats high detection mechanism, including control system, screw gun 1 and is connected to spiral shell
Displacement sensor 2 on silk rifle 1, institute's displacement sensors 2 can detect the distance that screw gun 1 moves up and down, in the screw gun 1
Equipped with the torsion switch that can be opened and closed screw gun 1, the timer of measurement 1 duration of runs of screw gun, institute are equipped in the control system
It states 1 lower end of screw gun and screwdriver bit is installed, institute's displacement sensors and torsion switch are electrically connected with control system, control
Be provided in system the basis displacement value of displacement sensor, the baseline torsional value of torsion switch, timer reference time value with
And respective error range.
When mechanism starts, screw gun 1 is moved downward, and when screwdriver bit starts to tighten screw, timer starts timing, and
When the rotary torsion of screwdriver bit is greater than baseline torsional value, then screw gun is closed under the action of torsion switch, at this time timer
Stop timing and obtain a measured time value, displacement sensor detects the downward absolute fix of screw gun 1 in this process
Value, when absolute fix value is compared with basis displacement value, measured time value is compared with reference time value, in respective error range
It is interior, then it represents that screw tightening is normal, not floating high and other abnormal conditions；Pass through the time of displacement and rotation to screw gun
Comprehensive descision is carried out, the accuracy of screw tightening state judgement is increased, improves packaging efficiency, reduces security risk.If surveying position
Value is set greater than basis displacement value, then may be screw no marking；If absolute fix value is less than basis displacement value, and measured time value is small
In reference time value, then illustrate that screw deflects；If absolute fix value be equal to basis displacement value, and measured time value be greater than benchmark when
Between be worth, then illustrate screw sliding teeth；When there are these abnormal conditions, control system will do it alarm.
Specifically, the side of the screw gun 1 is equipped with detection cylinder 4,4 lower end of detection cylinder, which is equipped with, visits high head 5, institute
It whether smooth states the spy detectable screw carrier of high head 5, continues subsequent work if smooth, replaced if out-of-flatness
Screw carrier.In order to adsorb screw, prevent screw from falling from screwdriver bit, the lower end outer cover of the screwdriver bit is equipped with vacuum
Sleeve 6, the adsorbable screw of the vacuum sleeve 6,6 upper end of vacuum sleeve are equipped with vacuum adapter 7, and vacuum adapter 7 can guarantee
It is vacuum state in vacuum sleeve 6.The upper end of the screwdriver bit is equipped with magnet, and screwdriver bit is made to keep magnetism to adsorb spiral shell
Silk.
It further include the straight guide 8 on screw detecting machine with further reference to Fig. 2, the side fixation of the screw gun 1 is set
There is the guide block 9 that can be slided on straight guide 8.Two synchronizing wheels 11 being in vertical distribution are provided on the straight guide 8, two same
Synchronous belt 12 is arranged on step wheel 11, the side of the synchronous belt 12 connects guide block 9, and one of synchronizing wheel 11 is by 13 band of motor
Dynamic, motor 13 rotates, and drives synchronous belt 12, and synchronous belt 12 drives the screw gun 1 being fixedly connected with guide block 9 to move up and down.
In addition, the installation site of displacement sensor 2 specifically, institute's displacement sensors 2 upper end connect straight guide 8, under
End connection guide block 9.The upper end of the guide block 9 is connected with pressure spring 10, and the upper end of the pressure spring 10 connects straight guide, the pressure spring 10
Downward pressure can be applied to screw gun 1 smoothly to tighten screw.The upper end of the screw gun 1 is connected with tension spring 3, the tension spring
3 upper end connects straight guide 8, and tension spring 3 is that screw gun 1 provides an equilibrant force, and inclination when preventing screw gun 1 from moving up and down is protected
Demonstrate,prove the stabilization of screw gun 1.
The above, the only better embodiment of the utility model, but the utility model is not limited to above-mentioned reality
Example is applied, as long as its technical effect for reaching the utility model with any same or similar means, all should belong to the utility model
Protection scope.
Claims (9)
1. a kind of screw floats high detection mechanism, it is characterised in that: including control system, screw gun (1) and be connected on screw gun
Displacement sensor (2), institute's displacement sensors can detect the distance that moves up and down of screw gun, and being equipped in the screw gun can open
It closes the torsion switch of screw gun, is equipped with the timer of the measurement screw gun duration of runs in the control system, under the screw gun
End is equipped with screwdriver bit, and institute's displacement sensors and torsion switch are electrically connected with control system.
2. a kind of screw according to claim 1 floats high detection mechanism, it is characterised in that: the side of the screw gun is equipped with
It detects cylinder (4), the detection cylinder lower end, which is equipped with, visits high head (5), and whether the high detectable screw carrier of the spy is smooth.
3. a kind of screw according to claim 1 floats high detection mechanism, it is characterised in that: outside the lower end of the screwdriver bit
Portion is arranged with vacuum sleeve (6), the adsorbable screw of vacuum sleeve, and the vacuum sleeve upper end is equipped with vacuum adapter (7).
4. a kind of screw according to claim 1 floats high detection mechanism, it is characterised in that: the upper end of the screwdriver bit is set
There is magnet.
5. a kind of screw according to claim 1 floats high detection mechanism, it is characterised in that: further include being set to screw detecting machine
On straight guide (8), the side of the screw gun is fixed with the guide block (9) that can be slided on straight guide.
6. a kind of screw according to claim 5 floats high detection mechanism, it is characterised in that: the upper end of institute's displacement sensors
Straight guide is connected, lower end connects guide block.
7. a kind of screw according to claim 5 floats high detection mechanism, it is characterised in that: the upper end of the guide block is connected with
The upper end of pressure spring (10), the pressure spring connects straight guide, and the pressure spring can apply downward pressure to screw gun.
8. a kind of screw according to claim 5 floats high detection mechanism, it is characterised in that: be provided on the straight guide and be in
Two synchronizing wheels (11) of vertical distribution are arranged with synchronous belt (12) in two synchronizing wheels, and the side connection of the synchronous belt is led
Block, one of synchronizing wheel are driven by motor (13).
9. a kind of screw according to claim 5 floats high detection mechanism, it is characterised in that: the upper end of the screw gun connects
Have tension spring (3), the upper end of the tension spring connects straight guide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821235996.4U CN208825996U (en) | 2018-08-01 | 2018-08-01 | Screw floats high detection mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821235996.4U CN208825996U (en) | 2018-08-01 | 2018-08-01 | Screw floats high detection mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208825996U true CN208825996U (en) | 2019-05-07 |
Family
ID=66308030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821235996.4U Active CN208825996U (en) | 2018-08-01 | 2018-08-01 | Screw floats high detection mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208825996U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113910148A (en) * | 2021-11-15 | 2022-01-11 | 珠海格力智能装备有限公司 | Control method and control system of servo electric screwdriver |
-
2018
- 2018-08-01 CN CN201821235996.4U patent/CN208825996U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113910148A (en) * | 2021-11-15 | 2022-01-11 | 珠海格力智能装备有限公司 | Control method and control system of servo electric screwdriver |
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