CN206989868U - Thread detecting device - Google Patents
Thread detecting device Download PDFInfo
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- CN206989868U CN206989868U CN201720570784.0U CN201720570784U CN206989868U CN 206989868 U CN206989868 U CN 206989868U CN 201720570784 U CN201720570784 U CN 201720570784U CN 206989868 U CN206989868 U CN 206989868U
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- measurement instrument
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Abstract
A kind of thread detecting device, including：Thread measurement instrument, axial one end of the thread measurement instrument are provided with the go side screw thread for detecting；Motor, the output end of the motor are fixedly connected with the axial other end of the thread measurement instrument, to drive the thread measurement instrument to rotate；Control circuit, including：The power supply and switch element of power supply；The switch element electrically connects the power supply and motor, to control the output end of the motor to rotate or stop.When needing to examine the screw thread on whorl work piece whether qualified, go side screw thread on thread measurement instrument is aligned with screw thread to be detected, and pass through controlling switch unit, the output end of motor is set to be rotated because of energization, to drive thread measurement instrument to rotate, so as to largely reduce the workload manually screwed, cost of labor is reduced, and suitable for being detected to large batch of whorl work piece.
Description
Technical field
It the utility model is related to detection technique field, and in particular to a kind of thread detecting device.
Background technology
Screw gauge is a kind of detection instrument for examining screw thread whether qualified, including plug thread gauge is (for detecting interior spiral shell
Line) and ring screw gauge (being used to detect external screw thread).Screw gauge generally has go side screw thread and not-go-end screw thread.It is corresponding in detection
Tool threaded whorl work piece when, by the go side screw thread of screw gauge and not-go-end screw thread the screw thread phase with whorl work piece respectively
Coordinate：If go side screw thread can smoothly screw in workpiece and not-go-end screw thread can only screw in the screw thread of two pitch, judge the spiral shell
Line workpiece is qualified；Otherwise, illustrate that the whorl work piece is unqualified.
In the prior art, whorl work piece is detected using screw gauge, it usually needs the manual rotary screwing thread go-no go gauge of worker,
Cost of labor is high and is unsuitable for detecting large batch of whorl work piece.
Utility model content
The utility model solves the problems, such as it is that prior art uses screw gauge, people by the way of manually screwing
Work cost is high, is unsuitable for detecting large batch of whorl work piece.
To solve the above problems, the utility model provides a kind of thread detecting device, including：Thread measurement instrument, it is described
Axial one end of thread measurement instrument is provided with the go side screw thread for detecting；Motor, the output end of the motor are consolidated
Surely the axial other end of the thread measurement instrument is connected, to drive the thread measurement instrument to rotate；Control circuit, including：
The power supply and switch element of power supply；The switch element electrically connects the power supply and motor, to control the motor
Output end rotation or stop.
Optionally, the switch element controls the mode of the output end rotation to include：Within the different periods, control
The output end is rotated forward and reversely rotated.
Optionally, the switch element includes：First contact, the second contact, first contact electrically connect the power supply
Positive pole, second contact electrically connect the negative pole of the power supply；3rd contact, the 4th contact, the 5th contact, the 6th contact,
3rd contact, the 4th contact electrically connect one end of the motor；Described in 5th contact, the electrical connection of the 6th contact
The other end of motor；Movable contact, the contact, which can move to, makes first contact, the second contact and the 3rd
Contact, the 4th contact, the 5th contact, the 6th contact disconnect；Or, make the first contact conducting the 3rd contact, second
Contact turns on the 6th contact；Or, first contact is turned on the 5th contact, the second contact conducting the described 4th is touched
Point.
Optionally, the switch element is six pin third gear switch.
Optionally, the motor is toothed gearing electric motor.
Optionally, the rotating speed of the output end is between 30r/min-50r/min.
Optionally, scale is indicated along the axial direction, the go side screw thread, is treated for indicating that the go side screwed enters
The depth of detection piece.
Optionally, the thread detecting device also includes shaft coupling, and the axial both ends difference of the shaft coupling is dismountable
It is fixedly connected with the axial other end of the output end and the thread measurement instrument.
Optionally, the axial both ends of the shaft coupling have the first receiving hole and the second receiving hole respectively；Described first holds
The inner peripheral surface in hole received is provided with the first axially extending chute, and the inner peripheral surface of second receiving hole is provided with axially extending the
Two chutes；The outer peripheral face of the output end is raised provided with axially extending first, on the outer peripheral face of the thread measurement instrument
It is raised provided with axially extending second；The output end is fixedly installed in first receiving hole, and the first raised position
In first chute；The axial other end of the thread measurement instrument is fixedly installed in second receiving hole, and institute
It is raised in second chute to state second.
Optionally, the thread measurement instrument is screw gauge.
Compared with prior art, the technical solution of the utility model has advantages below：
The thread detecting device of the technical program, the control by setting motor and for controlling motor to rotate
Circuit processed, when need examine whorl work piece on screw thread it is whether qualified when, by the go side screw thread on thread measurement instrument with it is to be checked
The screw thread of survey aligns, and by controlling switch unit, the output end of motor is rotated because of energization, to drive screw thread to examine
Survey instrument rotates.The not-go-end screw thread of screw gauge is recycled to carry out to whorl work piece if go side screw thread can be screwed in normally
Examine, it is qualified to determine whether；If go side screw thread can not be screwed in normally to whorl work piece, judge that whorl work piece is unqualified.
The technical program can largely reduce the workload manually screwed, reduce cost of labor, and suitable for large quantities of
The whorl work piece of amount is detected.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model thread detecting device；
Fig. 2 is the circuit diagram for being used to control thread measurement instrument in the utility model thread detecting device；
Fig. 3 is the A-A directional profile figures shown in Fig. 1.
Embodiment
It is understandable to enable above-mentioned purpose of the present utility model, feature and advantage to become apparent, below in conjunction with the accompanying drawings to this
The specific embodiment of utility model is described in detail.
Reference picture 1, a kind of thread detecting device 100, including：Thread measurement instrument 10 and motor 20, wherein, screw thread
Whether the screw thread that detection instrument 10 is used to detect on whorl work piece is qualified, and motor 20 is used to drive thread measurement instrument 10 to revolve
Turn.
Specifically, axial one end of thread measurement instrument 10 is provided with the go side screw thread 11 for detecting, it is corresponding in detection
When having threaded whorl work piece, if go side screw thread 11 can not smoothly screw in whorl work piece, illustrate that the whorl work piece is unqualified；
If go side screw thread 11 can smoothly screw in whorl work piece, illustrate that the whorl work piece is tentatively qualified, subsequently also need other to have
The detection instrument of not-go-end screw thread is detected.
Motor 20 has output end 21, and output end 21 is fixedly connected with the axial other end of thread measurement instrument 10.When
When motor 20 is powered, output end 21 can rotate, so as to drive thread measurement instrument 10 to rotate.If screw thread now
The aligned whorl work piece of detection instrument 10, then can whether can by the thread measurement instrument 10 for judging to be under rotation status
It is enough smoothly to screw in whorl work piece, to judge whether whorl work piece is qualified.
Reference picture 2, thread detecting device 100 also include control circuit 30, and control circuit 30 includes the He of power supply 31 of power supply
Switch element 32.Wherein, the electric connection of power supply 31 of switch element 32 and motor 20, can be opened and closed, to control driving
The output end 21 of motor rotates or stopped.
Therefore, when needing to examine the screw thread on whorl work piece whether qualified, by adjusting thread detecting device 100, make
The go side screw thread of thread measurement instrument 10 is directed at whorl work piece to be detected, by controlling switch unit, makes the defeated of motor
Go out end 21 to rotate because of energization, to drive thread measurement instrument 10 to rotate.If go side screw thread 11 can not smoothly screw in whorl work piece,
Then illustrate that the whorl work piece is unqualified；If go side screw thread 11 can smoothly screw in whorl work piece, illustrate that the whorl work piece is preliminary
It is qualified, now, recycle the not-go-end screw thread of screw gauge to test the whorl work piece, if not-go-end screw thread can only screw in
The screw thread of two pitch, then illustrate that the whorl work piece is qualified；Otherwise, illustrate that the whorl work piece is unqualified.
In the present embodiment, when detecting whorl work piece, thread measurement instrument is controlled by circuit, realizes automatic rotation, nothing
It need to manually screw, so as to largely reduce the workload of worker, reduce cost of labor.Especially to large batch of
When whorl work piece is detected, fast and effectively whorl work piece can be detected, prevent that worker is right because screwing for a long time
Finger causes damage.
Further, motor can be controlled in different time sections by controlling switch unit 32, control circuit 30
Output end 21 rotate forward or reversely rotate, i.e., thread measurement instrument 10 can be driven to rotate forward or reversely rotate.Therefore,
During whorl work piece is detected, after go side screw thread 11 is positive screws in whorl work piece, can by controlling switch unit 32,
Reversely rotate thread measurement instrument 10, so that go side screw thread 11 screws out whorl work piece.
By automatically controlled mode, thread measurement instrument 10 is rotated forward or is reversely rotated, realize that go side screw thread 11 screws in
Whorl work piece or back-out to be detected whorl work piece to be detected, so as to the both hands of thorough liberation worker, is greatly decreased work
The workload of people, reduce cost of labor；It can also enough prevent worker from being caused damage because screwing for a long time to finger.
It is a variety of to realize that method that the output end 21 of motor is rotated forward or reversely rotated has, specifically in the present embodiment
In, control circuit 30 can be arranged such, and reference picture 2, switch element 32 includes：First contact aa, the second contact bb, the 3rd touch
Point cc, the 4th contact dd, the 5th contact ee and the 6th contact ff.Wherein, one end of the first contact aa electric connection of power supply 31, second
The other end of contact bb electric connection of power supply 31；3rd contact cc, the 4th contact dd electrically connect same one end of motor 20 jointly,
5th contact ee, the 6th contact ff electrically connect the other end of motor 20 jointly.
Switch element 32 also includes：Movable contact mm, contact mm can be moved to：Touch the first contact aa, second
Point bb and the 3rd contact cc, the 4th contact dd, the 5th contact ee, the 6th contact ff disconnect (state shown in Fig. 2)；Contact mm
It can move up to：The first contact aa is set to turn on the 3rd contact cc, the second contact bb turns on the 6th contact ff；Contact mm also can
Enough move downwardly to：The first contact aa is set to turn on the 5th contact ee, the second contact bb turns on the 4th contact dd.
If the positive pole of contact aa electric connection of power supply 31, when the first contact aa turns on the 3rd contact cc, the second contact bb is led
During logical 6th contact ff, motor 20 is flowed through in the electric current edge in control circuit 30 clockwise；First contact aa conductings the 5th are touched
Point ee, when the second contact bb turns on the 4th contact dd, the electric current edge in control circuit 30 passes counterclockwise through motor 20.
Therefore, by controlling contact mm motion (i.e. controlling switch unit 32), electric current can be made to flow in the opposite direction
Overdrive motor 20, so as to realize rotating forward or reversely rotating for the output end 21 of motor, make thread measurement instrument 10
Rotate forward or reversely rotate.
Specifically, switch element 32 can use six pin third gear switch.
In other variations, control circuit can also be arranged such：Control circuit is set to include tie point and second
Road, on the first leg, the first end of the first end electrical connection motor of power supply, the second end electrical connection motor of power supply
The second end；On the second branch road, the second end of the first end electrical connection motor of power supply, the second end electrical connection of power supply is driven
The first end of dynamic motor.
Switch element includes：First switch and second switch, first switch are arranged at tie point, and second switch is arranged at
Second branch road.Therefore, the current direction and first switch disconnection, second switch when first switch closure, second switch disconnect
Current direction during closure is opposite.So as to realize rotating forward or reversely rotating for the output end of motor.
In the present embodiment, in order to prevent the rotating speed of motor 20 too fast, motor 20 can specifically use The gear deceleration
Motor, to reduce the rotating speed of the output end 21 of motor.Optionally, the rotating speed of output end 21 is made to control in 30r/min-50r/
Between min, i.e. the circle of rotation 30 per minute is between 50 circles.
On the one hand, prevent because the rotating speed of output end 21 is too fast, thread measurement instrument 10 is destroyed whorl work piece, cause product
Scrap；On the other hand, prevent from, because the rotating speed for going out end 21 is too low, reducing detection efficiency.
With continued reference to Fig. 1, in axial direction, on go side screw thread 11, scale 11a is further marked with.In detection whorl work piece
During, scale 11a is used for the depth for indicating that the go side screw thread 11 is screwable into the whorl work piece with detection.Go side screw thread 11 revolves
The depth for being screwed into whorl work piece depends on the depth of screw thread on whorl work piece, prevents from damaging because go side screw thread 11 excessively screws in
Whorl work piece.
Thread detecting device 100 also includes shaft coupling 40, and shaft coupling 40 is used to be fixedly connected with motor 20 and screw thread inspection
Survey instrument 10.Specifically, the axial both ends of shaft coupling 40 have the first receiving hole 41 and the second receiving hole 42, output end 21 respectively
The first receiving hole 41 is fixedly installed on, the axial other end of thread measurement instrument 10 is fixedly installed on the second receiving hole 42.
Reference picture 3, the second chute 42a axially extended is additionally provided with the inner peripheral surface of the second receiving hole 42, in screw thread
Second axially extended raised 10a, the second raised 10a are additionally provided with the outer peripheral face of detection instrument 10 and is located at the second chute 42a
It is interior.Second raised 10a, the second chute 42a setting can prevent that phase occurs between thread measurement instrument 10, the second receiving hole 42
To rotation, ensure shaft coupling 40 rotation can totally tansitive to thread measurement instrument 10.
(do not show in figure likewise, being additionally provided with the first chute axially extended on the inner peripheral surface of the first receiving hole 41
Go out), the first raised (not shown) axially extended is additionally provided with the outer peripheral face of the output end 21 of motor, first is raised
In the first chute.First is raised, the setting of the first chute can prevent that phase occurs between output end 21, the first receiving hole 41
To rotation, ensure output end 21 rotation can totally tansitive to shaft coupling 40, final totally tansitive to thread measurement instrument 10.
It should be noted that shaft coupling 40 is detachably connected with motor 20, thread measurement instrument 10.Due to one kind
Go side screw thread 11 can only detect a kind of screw thread of classification, therefore, for the whorl work piece with different screw threads, it is necessary to using different
Go side screw thread 11 detected.Shaft coupling 40 and 10 dismountable connected mode of thread measurement instrument so that will can have
The thread measurement instrument 10 of different go side screw threads 11 is fixed with the same phase of motor 20 respectively, to detect with different screw threads
Whorl work piece.
In the present embodiment, thread measurement instrument 10 is specially screw gauge.Specifically, screw gauge can be used for
Detect the plug thread gauge of internal thread or for detecting externally threaded ring screw gauge.
Although the utility model discloses as above, the utility model is not limited to this.Any those skilled in the art,
Do not depart from spirit and scope of the present utility model, can make various changes or modifications, therefore the scope of protection of the utility model
It should be defined by claim limited range.
Claims (10)
- A kind of 1. thread detecting device, it is characterised in that including：Thread measurement instrument, axial one end of the thread measurement instrument are provided with the go side screw thread for detecting；Motor, the output end of the motor are fixedly connected with the axial other end of the thread measurement instrument, with driving The thread measurement instrument rotation；Control circuit, including：The power supply and switch element of power supply；The switch element electrically connects the power supply and motor, to control the output end of the motor to rotate or stop Only.
- 2. thread detecting device as claimed in claim 1, it is characterised in that the switch element controls the output end rotation Mode include：Within the different periods, the output end is controlled to rotate forward and reversely rotate.
- 3. thread detecting device as claimed in claim 2, it is characterised in that the switch element includes：First contact, the second contact, first contact electrically connect the positive pole of the power supply, described in the electrical connection of second contact The negative pole of power supply；3rd contact, the 4th contact, the 5th contact, the 6th contact, the 3rd contact, the 4th contact electrical connection driving electricity One end of machine；5th contact, the 6th contact electrically connect the other end of the motor；Movable contact, the contact can move to：Touch first contact, the second contact and the 3rd contact, the 4th Point, the 5th contact, the 6th contact disconnect；Or,First contact is set to turn on the 3rd contact, the second contact turns on the 6th contact；Or,First contact is set to turn on the 5th contact, the second contact turns on the 4th contact.
- 4. thread detecting device as claimed in claim 3, it is characterised in that the switch element is six pin third gear switch.
- 5. thread detecting device as claimed in claim 1, it is characterised in that the motor is toothed gearing electric motor.
- 6. thread detecting device as claimed in claim 5, it is characterised in that the rotating speed of the output end is in 30r/min-50r/ Between min.
- 7. thread detecting device as claimed in claim 1, it is characterised in that along the axial direction, the go side screw thread indicates quarter Degree, for indicating that the go side screwed enters the depth of part to be detected.
- 8. thread detecting device as claimed in claim 1, it is characterised in that also including shaft coupling, the axial direction of the shaft coupling Both ends are removably fixedly connected with the axial other end of the output end and the thread measurement instrument respectively.
- 9. thread detecting device as claimed in claim 8, it is characterised in that the axial both ends of the shaft coupling have the respectively One receiving hole and the second receiving hole；The inner peripheral surface of first receiving hole is provided with the first axially extending chute, is set on the inner peripheral surface of second receiving hole There is the second axially extending chute；The outer peripheral face of the output end is provided with the first axially extending projection, and the outer peripheral face of the thread measurement instrument is provided with Axially extending second is raised；The output end is fixedly installed in first receiving hole, and described first is raised in first chute；Institute The axial other end for stating thread measurement instrument is fixedly installed in second receiving hole, and described second raised positioned at described the In two chutes.
- 10. thread detecting device as claimed in claim 1, it is characterised in that the thread measurement instrument is screw gauge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720570784.0U CN206989868U (en) | 2017-05-22 | 2017-05-22 | Thread detecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720570784.0U CN206989868U (en) | 2017-05-22 | 2017-05-22 | Thread detecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206989868U true CN206989868U (en) | 2018-02-09 |
Family
ID=61391179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720570784.0U Active CN206989868U (en) | 2017-05-22 | 2017-05-22 | Thread detecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206989868U (en) |
-
2017
- 2017-05-22 CN CN201720570784.0U patent/CN206989868U/en active Active
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