CN208083739U - Pressure sensitive collet - Google Patents
Pressure sensitive collet Download PDFInfo
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- CN208083739U CN208083739U CN201820097675.6U CN201820097675U CN208083739U CN 208083739 U CN208083739 U CN 208083739U CN 201820097675 U CN201820097675 U CN 201820097675U CN 208083739 U CN208083739 U CN 208083739U
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- deformations
- fixed part
- pressure sensitive
- pressure
- collet
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- 230000005489 elastic deformation Effects 0.000 claims abstract description 5
- 230000007246 mechanism Effects 0.000 claims description 22
- 239000002184 metal Substances 0.000 claims description 10
- 241000826860 Trapezium Species 0.000 claims description 3
- 230000009471 action Effects 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 241000276425 Xiphophorus maculatus Species 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000000418 atomic force spectrum Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
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- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The utility model is pressure sensitive collet, this kind of pressure sensitive collet includes fixed part, forced section and deformations, wherein fixed part is fixedly connected by way of including but are not limited to bolt with fixed seat, forced section can then bear continually changing pressure, deformations then generate elastic deformation of corresponding size under continually changing pressure, deformations are sequentially connected with force measuring machine, and force measuring machine can get off the pressure record that deformations occur to generate when elastic deformation is transmitted to arithmetic processor or memory progress subsequent arithmetic or storage by signal.
Description
Technical field
The utility model is to be related to mechanical apparatus field, specifically pressure sensitive collet.
Background technology
The clamping force data of collet can characterize multinomial fixture and station state：Cylinder clamping power, bolt pretightening, work
Beat and fixture adjustment, maintenance of equipment etc..However, each responsible department of vehicle body never effectively obtains the data
It takes and monitors.
Part and the important prerequisite that the good veneer of collet is automobile body welding finished piece(s) dimensionally stable.By body workshop scene
Environment and automobile body welding action limitation, especially automatic welding station, to the real time monitoring nothing of the veneer state of fixture and part
Method is realized by manual type, is hidden some dangers for for body dimensions fluctuation.And pressure in welding process is detected by pressure sensor
Whether change, then detects whether keep veneer between part and collet.Moreover, curve is welded by comparing two parts,
It can decide whether the not veneer that accessory size wave zone comes.
Whether collet fastens, and can not only influence production be normally carried out, more closely bound up with safety, and body workshop is a little
Inspection mechanism, but be difficult to cope with emergency situations.The loosening of collet can be monitored by the size of pretightning force, and at this stage in fixture
There is no the methods monitored in real time to pretightning force, and visual inspection can only cope with the fastening bolt obviously loosened.And pass through
Pressure sensor carries out the real time monitoring of pressure and automatic alarm mechanism is arranged between collet and gasket, then can ensure
Produce and prevent the generation of potential safety accident.
Invention content
The technical problem to be solved by the present invention is to provide pressure sensitive collet, this kind of collet can be by embedded or outer
Surface is pasted with pressure sensitive device, to detect the deformation size of collet deformations generation, and then detects collet stress
Pressure size suffered by portion, and spread out of institute's measured data by signal wire.
In order to solve the above technical problems, the technical solution adopted in the utility model is：
Pressure sensitive collet, it is characterized in that：Including fixed part, forced section and deformations, the fixed part is solid with cushion cap
Fixed connection, the forced section are used for bearing external pressure, which can cause deformations to deform upon, the deformation
It being attached at the deformation in portion and is fixed with pressure sensitive device, the pressure sensitive device is connect with Data Post device signal,
The deformations are fixedly connected with forced section, fixed part respectively, and fulcrum machine is equipped between the fixed part and deformations
Structure.
To optimize above-mentioned utility model, the concrete measure taken further includes：
The pressure sensitive device is embedded in inside deformations.
The deformations have embedded hole, and the embedded hole is embedded with metal strain plate, the metal strain plate
It can detect that the deformation that deformations generate after by pressure, the metal strain plate are connected with signal wire, the signal wire is worn
It crosses signal wire and connects hole, the signal wire connects hole on deformations lateral wall, and the signal wire is worn inside deformations
It crosses, the embedded hole is in the top of supporting point mechanism.The pressure sensitive device is attached to the appearance of fixed part or deformations
Face, the pressure sensitive device is compacted device compression, and then is fixed on fixed part or the lateral surface of deformations or described
Pressure sensitive device compressed by cushion cap, and then be fixed on fixed part or the lateral surface of deformations.
The pressure sensitive device is pressure sensor, and the fixed part is fixed on cushion cap by vertical bolt
On, the pressure sensor is fixedly mounted between the nut of bolt and fixed part upper surface, and the pressure sensor exists
It is clamped by nut and fixed part under the connection function of bolt, the pressure sensor is able to detect that deformations are produced after by pressure
Raw deformation, the pressure sensor are connected with signal wire.
The pressure sensitive device is pressure sensor, and the fixed part is fixed on cushion cap by vertical bolt
On, the pressure sensor is fixed between the upper surface of cushion cap and the lower surface of fixed part, and the pressure sensor exists
Stepped up by cushion cap and fixed part under the connection function of bolt, the pressure sensor is able to detect that deformations are produced after by pressure
Raw deformation, the pressure sensor are connected with signal wire.
The fixed part is bar shaped or platy structure, and the fixed part is fixedly connected by bolt with cushion cap.
The supporting point mechanism is the trapezium structure of fixed part and deformations bottom surface, or is fixed part and deformations bottom surface
Protrusion fulcrum, or be fixed part and deformations bottom surface and raft contact face edge.
The shape that the deformations occur becomes elastic deformation.
This kind of pressure sensitive collet is attainable to be had the beneficial effect that：First, it can be detected by way of embedded sensors
The size of collet deformation itself, and then detect the size of collet pressure；Second, the detection mode of embedded sensors will pass
Sensor and collet itself are effectively combined, and reduce force acting on transducer quantity, and then improve precision and stability；Third passes
Sensor is connect by data line with post-processing unit, and the stressing conditions of the monitoring collet of batch are capable of；4th, what deformations occurred
Shape becomes elastic deformation, can improve the service life of collet, additionally it is possible to ensure the continuity measured.
Description of the drawings
Fig. 1 is the structure principle chart of the utility model pressure sensitive collet.
Fig. 2 is the structure principle chart of the utility model pressure sensitive collet supporting point mechanism.
Fig. 3 is the structure principle chart of the utility model pressure sensitive collet supporting point mechanism.
Fig. 4 is the structure principle chart of the embedded sensor of the utility model pressure sensitive collet.
Fig. 5 is the structure principle chart that the utility model pressure sensitive collet carries the embedded sensor of fixing device.
Fig. 6 is the structure principle chart of the utility model pressure sensitive collet sleeve sleeve sensors.
Fig. 7 is the structure principle chart that the utility model pressure sensitive collet carries fixing device sleeve sensors.
Fig. 8 is the structure principle chart of the utility model pressure sensitive collet gasket type sensor.
Fig. 9 is the structure principle chart that the utility model pressure sensitive collet carries fixing device gasket type sensor.
Marginal data：1, cushion cap；2, fixed part；3, forced section；4, deformations；5, hole is embedded；6, metal strain plate；7, believe
Number holes Xian Jie；8, supporting point mechanism；9, signal wire；10, bolt；11, pressure sensor；12, pressing device.
Specific implementation mode
The utility model is further described below in conjunction with Figure of description and specific preferred embodiment.
Pressure sensitive collet, it is characterized in that：Including fixed part 2, forced section 3 and deformations 4, the fixed part 2 with hold
Platform 1 is fixedly connected, and the forced section 3 is used for bearing external pressure, which can cause deformations 4 to deform upon, institute
It is attached at the deformation for the deformations 4 stated and is fixed with pressure sensitive device, the pressure sensitive device and Data Post device
Signal connects, and the deformations 4 are fixedly connected with forced section 3, fixed part 2 respectively, the fixed part 2 and deformations 4 it
Between supporting point mechanism 8 is installed.
The fixed part 2 is bar shaped or platy structure or other irregular shape structures, and wherein fixed part 2, which uses, includes
But the connection type for being not limited only to bolt or riveting is fixedly connected with cushion cap 1, and the fixed part 2 is fixedly connected with cushion cap 1
Face is bottom surface or side, and when fixed part 2 is strip or column, bolt 10 by fixed part 2 and can be held axially or perpendicular to axial direction
Platform 1 is fixed together.
As shown in Figure 1, Figure 2 and Figure 3, the supporting point mechanism 8 is the trapezium structure of 4 bottom surface of fixed part 2 and deformations, or
For the protrusion fulcrum of 4 bottom surface of fixed part 2 and deformations, or it is the contact point of fixed part 2 and 4 bottom surface of deformations and 1 edge of cushion cap,
The supporting point mechanism 8 is provided fulcrum for deformations 4 by deformation is generated when pressure, including but is not only limited and three of the above structure.
The forced section 3 can bear pressure straight down or other pressure with vertical direction component,
This kind of forced section 3 has stress surface or stress platform.
Embodiment one：
As shown in Figure 4 and Figure 5, pressure sensitive collet is L-shaped, and fixed part 2 is transverse arm, passes through the bolt of vertical direction
10 are fixed on cushion cap 1, and forced section 3 is vertical arm, and the upper surface of vertical arm is stress surface, and the junction of transverse arm and vertical arm is deformations
4, the middle position of deformations 4 is provided with the vertically embedded hole 5 with transverse arm axial direction, and the inner surface in embedded hole 5 has on four sides, in every face
Centre position is equipped with metal strain plate 6, and metal strain plate 6 is connect with signal wire 9, and signal wire 9 passes through the through-hole inside deformations 4
Hole 7 is connect from signal wire to be pierced by, it is supporting point mechanism 8 to embed 5 lower section of hole.
When forced section 3 is under pressure, due to the presence of supporting point mechanism 8, deformations 4 will produce slight deformation, deformation
The inner wall in the embedded hole 5 inside portion 4 each inner wall in the case of the whole generation deformation of deformations 4 will produce different deformation,
The voltage that metal strain plate 6 on the inner wall of deformation is loaded can also change, which is spread out of by signal wire, can
The size of the collet pressure is recorded, if forced section pressure is the pressure with regularity, when the pressure of record is bent
When line deviates expecting curve, it can detect that collet breaks down.
Embodiment two：
As shown in Figure 6 and Figure 7, pressure sensitive collet is L-shaped, and fixed part 2 is transverse arm, passes through the bolt of vertical direction
10 are fixed on cushion cap 1, and forced section 3 is vertical arm, and the upper surface of vertical arm is stress surface, and the junction of transverse arm and vertical arm is deformations
4, bolt 10 includes nut, and pressure sensor 11 is telescopic pressure sensor, can be sleeved on screw rod, and is fixed on nut and consolidates
Between determining 2 upper surface of portion, pressure sensor 11 is connected with signal wire 9, the following table mask of the junction of forced section 3 and deformations 4
There is supporting point mechanism 8.
When forced section 3 is under pressure, due to the presence of supporting point mechanism 8, deformations 4 will produce slight deformation, in thick stick
Under the action of rod principle fixed part 2 can deformations 4 generate deformation when with supporting point mechanism 8 be fulcrum by upward power, in turn
Squeeze pressure sensor 11 generates pressure data, if forced section pressure is the pressure with regularity, when the pressure of record
When force curve deviates expecting curve, it can detect that collet breaks down.
Embodiment three：
As shown in Figure 8 and Figure 9, pressure sensitive collet is L-shaped, and fixed part 2 is transverse arm, passes through the bolt of vertical direction
10 are fixed on cushion cap 1, and forced section 3 is vertical arm, and the upper surface of vertical arm is stress surface, and the junction of transverse arm and vertical arm is deformations
4, pressure sensor 11 is gasket type pressure sensor, by the upper table of the fixed part 2 and cushion cap 1 of collet under the action of bolt 10
Face is stepped up, and pressure sensor 11 is connected with signal wire 9, and the lower surface of the junction of forced section 3 and deformations 4 has supporting point mechanism
8 or the contact surface edge of pressure sensor 11 and collet lower surface form supporting point mechanism 8.
When forced section 3 is under pressure, due to the presence of supporting point mechanism 8, deformations 4 will produce slight deformation, in thick stick
Under the action of rod principle fixed part 2 can deformations 4 generate deformation when with supporting point mechanism 8 be fulcrum by upward power, at this time
11 pressure of pressure sensor below collet can reduce, and generate pressure data, if forced section pressure is with rule
The pressure of rule property can detect that collet breaks down when the pressure curve of record deviates expecting curve.
Above are merely preferred embodiments of the utility model, the scope of protection of the utility model is not limited merely to above-mentioned
Embodiment, technical solution belonging to the idea of the present invention belong to the scope of protection of the utility model.It should be pointed out that pair
For those skilled in the art, several improvements and modifications without departing from the principle of the utility model,
It should be regarded as the scope of protection of the utility model.
Claims (9)
1. pressure sensitive collet, it is characterized in that：Including fixed part（2）, forced section（3）And deformations（4）, the fixed part
（2）With cushion cap（1）It is fixedly connected, the forced section（3）For bearing external pressure, which can lead to deformations
（4）It deforms upon, the deformations（4）Deformation at attach be fixed with pressure sensitive device, the pressure sensitive device
It is connect with Data Post device signal, the deformations（4）Respectively and forced section（3）, fixed part（2）It is fixedly connected, institute
The fixed part stated（2）And deformations（4）Between supporting point mechanism is installed（8）.
2. pressure sensitive collet according to claim 1, it is characterised in that：The pressure sensitive device is embedded in deformation
Portion（4）It is internal.
3. pressure sensitive collet according to claim 2, it is characterised in that：The deformations（4）With embedded hole
（5）, the embedded hole（5）It is embedded with metal strain plate（6）, the metal strain plate（6）It can detect deformations（4）By
The deformation generated after pressure, the metal strain plate（6）It is connected with signal wire（9）, the signal wire（9）Across signal wire
Connect hole（7）, the signal wire connects hole（7）Mounted on deformations（4）On lateral wall, the signal wire（9）From deformations（4）
Inside passes through, the embedded hole（5）In supporting point mechanism（8）Top.
4. pressure sensitive collet according to claim 1, it is characterised in that：The pressure sensitive device is attached to fixation
Portion（2）Or deformations（4）Outer surface, the pressure sensitive device is compacted device（12）It compresses, and then is fixed on fixation
Portion（2）Or deformations（4）Lateral surface on or the pressure sensitive device by cushion cap（1）It compresses, and then is fixed on fixed part
（2）Or deformations（4）Lateral surface on.
5. pressure sensitive collet according to claim 4, it is characterised in that：The pressure sensitive device is pressure sensing
Device（11）, the fixed part（2）Pass through vertical bolt（10）It is fixed on cushion cap（1）On, the pressure sensor（11）
It is fixedly mounted on bolt（10）Nut and fixed part（2）Between upper surface, the pressure sensor（11）In bolt（10）
Connection function under by nut and fixed part（2）It clamps, the pressure sensor（11）It is able to detect that deformations（4）It is pressurized
The deformation generated after power, the pressure sensor（11）It is connected with signal wire（9）.
6. pressure sensitive collet according to claim 4, it is characterised in that：The pressure sensitive device is pressure sensing
Device（11）, the fixed part（2）Pass through vertical bolt（10）It is fixed on cushion cap（1）On, the pressure sensor（11）
It is fixed on cushion cap（1）Upper surface and fixed part（2）Lower surface between, the pressure sensor（11）In bolt（10）'s
By cushion cap under connection function（1）And fixed part（2）Step up, the pressure sensor（11）It is able to detect that deformations（4）By
The deformation generated after pressure, the pressure sensor（11）It is connected with signal wire（9）.
7. pressure sensitive collet according to claim 1, it is characterised in that：The fixed part（2）For bar shaped or plate
Structure, the fixed part（2）Pass through bolt（10）With cushion cap（1）It is fixedly connected.
8. pressure sensitive collet according to claim 1, it is characterised in that：The supporting point mechanism（8）For fixed part（2）
And deformations（4）The trapezium structure of bottom surface, or be fixed part（2）And deformations（4）The protrusion fulcrum of bottom surface, or be fixed part
（2）And deformations（4）Bottom surface and cushion cap（1）Contact surface edge.
9. pressure sensitive collet according to claim 1, it is characterised in that：The deformations（4）The shape of generation becomes
Elastic deformation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820097675.6U CN208083739U (en) | 2018-01-22 | 2018-01-22 | Pressure sensitive collet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820097675.6U CN208083739U (en) | 2018-01-22 | 2018-01-22 | Pressure sensitive collet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208083739U true CN208083739U (en) | 2018-11-13 |
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ID=64065945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820097675.6U Expired - Fee Related CN208083739U (en) | 2018-01-22 | 2018-01-22 | Pressure sensitive collet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208083739U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113279160A (en) * | 2021-05-29 | 2021-08-20 | 深圳市星火数控技术有限公司 | Multi-axis linkage sewing method, device, equipment and storage medium |
| CN113804336A (en) * | 2021-09-06 | 2021-12-17 | 全立传感科技(南京)有限公司 | Special force sensor for integrated clamp and machining method thereof |
-
2018
- 2018-01-22 CN CN201820097675.6U patent/CN208083739U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113279160A (en) * | 2021-05-29 | 2021-08-20 | 深圳市星火数控技术有限公司 | Multi-axis linkage sewing method, device, equipment and storage medium |
| CN113804336A (en) * | 2021-09-06 | 2021-12-17 | 全立传感科技(南京)有限公司 | Special force sensor for integrated clamp and machining method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181102 Address after: 210008 18 Xianlin Road, Ma Qun science and Technology Park, Qixia District, Nanjing, Jiangsu. Co-patentee after: SAIC VOLKSWAGEN AUTOMOTIVE Co.,Ltd. Patentee after: JIANGSU JUNYI INTERNET OF THINGS Co.,Ltd. Address before: 210049 18 Xianlin Road, Ma Qun science and Technology Park, Qixia District, Nanjing, Jiangsu. Patentee before: JIANGSU JUNYI INTERNET OF THINGS Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181113 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |