CN211052818U - Welding stroke detection device - Google Patents
Welding stroke detection device Download PDFInfo
- Publication number
- CN211052818U CN211052818U CN201921368337.2U CN201921368337U CN211052818U CN 211052818 U CN211052818 U CN 211052818U CN 201921368337 U CN201921368337 U CN 201921368337U CN 211052818 U CN211052818 U CN 211052818U
- Authority
- CN
- China
- Prior art keywords
- welding
- fixedly connected
- lifting cylinder
- nut
- connecting rod
- 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.)
- Active
Links
Images
Landscapes
- Resistance Welding (AREA)
Abstract
The utility model relates to the field of welding technique, specifically welding stroke detection device, which comprises a fixed base, the lift cylinder, stroke measuring device, the connecting rod, the guide arm, locating pin and controlling means, the lift cylinder is installed in the fixing base, the connecting rod is connected with the fixing base, the upper end of connecting rod is used for installing electrode assembly down, be equipped with the guiding hole in connecting rod and the electrode assembly down, the guide arm lower extreme is connected with the loose axle of lift cylinder, the guide arm passes the guiding hole, the locating pin is established in the guide arm upper end and can be stretched out, the upper end of locating pin is equipped with limit structure, so that the nut can hang in the work piece top, stroke measuring device can measure the displacement of loose axle, controlling means carries out the comparison through actually measuring distance and predetermineeing. The utility model has the advantages that: the nut welding detection and bolt welding detection device is suitable for nut welding detection and bolt welding detection at the same time, high in detection precision and high in detection speed, welding production efficiency can be effectively improved, and welding quality is ensured.
Description
Technical Field
The utility model relates to the field of welding technique, specifically welding stroke detection device.
Background
When a welding machine is used for welding a nut and a workpiece (or welding a bolt and the workpiece), the nut and the workpiece are not in right positions before welding often, so that the defective welding rate is caused, and common errors of the positions before welding when the nut and the plate are welded are shown in fig. 5. If the identification is carried out before welding by manpower, time and labor are wasted, and the identification precision is not high. In addition, it is difficult to judge the welding effect by a human after the welding of the nut and the workpiece is completed. Therefore, it is urgently needed to design a detection device for performing pre-welding detection and post-welding detection on the welding position of the nut and the workpiece so as to improve the welding production efficiency and ensure the welding quality.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defect that exists among the prior art, the utility model aims to provide a welding stroke detection device, this welding stroke detection device can enough carry out the automatic detection before welding and detect after welding to the welding position of nut and work piece, can carry out the automatic detection before welding to the welding position of bolt and work piece again, and it is high to detect the precision moreover, and detection speed is fast to can effectively improve welding production efficiency, ensure welding quality.
The utility model discloses the task is realized through following technical scheme:
the welding stroke detection device comprises a fixed seat, a lifting cylinder, a stroke measurement device, a connecting rod, a guide rod, a positioning pin and a control device, wherein the lifting cylinder is fixedly arranged on the fixed seat, the connecting rod is vertically arranged and is fixedly connected with the fixed seat, the upper end of the connecting rod is used for mounting a lower electrode assembly of a welding machine, the connecting rod and the lower electrode assembly are provided with guide holes which are axially communicated, the lower end of the guide rod is fixedly connected with a movable shaft of the lifting cylinder, the guide rod penetrates through the guide holes and can axially and reciprocally slide along the guide holes, the positioning pin is arranged at the upper end of the guide rod and can extend out of the upper surface of the lower electrode assembly under the driving of the lifting cylinder and sequentially penetrates through a workpiece and a nut to be welded so as to radially position the workpiece and the nut, and the positioning pin is also provided with a, travel measurement device connection controlling means, travel measurement device can measure the displacement of the loose axle of lift cylinder and with actual measurement distance signal transmission to controlling means, controlling means is through carrying out the comparison with actual measurement distance and preset distance to can judge whether accurate welding position.
Preferably, the upper end of the positioning pin is a conical head with a small diameter end facing upwards, the limiting structure is a conical side face of the conical head, and when the positioning pin is used, the nut can be sleeved on the conical head of the positioning pin and axially supported and limited through the conical side face; or, the locating pin upper end is equipped with the stepped shaft, limit structure is the boss of stepped shaft, and during the use, the nut can overlap on the stepped shaft and carry out the axial through the boss of stepped shaft and support spacingly.
Preferably, the stroke measuring device comprises a magnetic grid ruler and a reading head, one of the magnetic grid ruler and the reading head is fixedly connected with a movable shaft of the lifting cylinder, the other one of the magnetic grid ruler and the reading head is fixedly connected with the lifting cylinder or the fixed seat, and the reading head and the magnetic grid ruler are arranged oppositely so that the reading head can measure the relative movement distance between the reading head and the magnetic grid ruler.
Preferably, the lower end of the guide rod is detachably and fixedly connected with the movable shaft of the lifting cylinder, and the guide rod can be axially adjusted to be opposite to the movable shaft of the lifting cylinder.
Preferably, the lower extreme of connecting rod with the fixed base is through holding formula flange and dismantling fixed connection.
Preferably, the tip of connecting rod is equipped with adapter sleeve, passes through between connecting rod and the fixing base formula flange cooperation adapter sleeve of holding tightly can dismantle fixed connection.
Preferably, a mounting plate is fixedly connected to a movable shaft of the lifting cylinder, and the magnetic grid ruler or the reading head is mounted on the mounting plate.
Preferably, the lift cylinder is the triaxial cylinder, including three loose axle, wherein two are the guiding axle, another is the piston shaft, three loose axle all with mounting panel fixed connection, fixed connection can be dismantled with one of them loose axle to the lower extreme of guide arm.
Preferably, the welding stroke detection device further comprises an internal blowing device, the internal blowing device comprises an air inlet joint fixedly connected to the fixed seat, one end of the air inlet joint is communicated with a high-pressure air source, the other end of the air inlet joint is communicated with a blowing cavity between the guide rod and the connecting rod through an air inlet channel arranged on the fixed seat, and a blowing port communicated with the cavity is formed in the mounting joint of the connecting rod and the lower electrode assembly.
When the welding stroke detection device is adopted to detect the welding positions of the nut and the workpiece: before welding, firstly, the lifting cylinder moves upwards to a top dead center to drive the positioning pin to move upwards to extend out of the upper surface of the lower electrode assembly, then a workpiece to be welded penetrates through the positioning pin by utilizing a welding hole on the workpiece and is placed on the lower electrode assembly, then a nut to be welded penetrates through the positioning pin by utilizing a screw hole on the nut and is hung above the workpiece by utilizing a limiting structure on the positioning pin, the nut and the workpiece are radially limited and keep coaxial by the positioning pin, the axial distance between the nut and the workpiece is called as the distance before welding, then the upper electrode assembly and the lower electrode assembly of the welding gun start to be closed, the upper electrode assembly presses the nut downwards to drive the positioning pin and the guide rod to move downwards along the axial direction by overcoming the acting force of the lifting cylinder until the nut is attached to the workpiece, and the stroke measuring device obtains an actual measuring value of, a pre-welding distance standard value is preset in the control device, the control device compares and judges the pre-welding distance measured value with the pre-welding distance standard value, if the error is within an allowable range, the pre-welding position of the nut and the workpiece is correct, and welding can be carried out; after welding, the stroke measuring device measures a welding displacement measured value (namely the downward movement distance of the nut in the welding process) and transmits the welding displacement measured value to the control device, a welding displacement standard value is preset in the control device, the control device compares and judges the welding displacement measured value and the welding displacement standard value, and if the error is within an allowable range, the post-welding positions of the nut and the workpiece are correct; and the welding quality is ensured to be qualified by double detection of the position before welding and the position after welding.
When the welding stroke detection device is adopted to detect the welding position of the bolt and the workpiece: before welding, firstly, the lifting cylinder moves upwards to the top dead center to drive the positioning pin to move upwards to extend out of the upper surface of the lower electrode assembly, then a workpiece to be welded penetrates through the positioning pin by utilizing a welding hole on the workpiece and is placed on the lower electrode assembly, then the lifting cylinder moves downwards to the bottom dead center to drive the positioning pin to move downwards and retract, then a bolt to be welded is placed in the welding hole of the workpiece, then the upper electrode assembly and the lower electrode assembly of a welding gun start to be closed, then the lifting cylinder moves upwards to drive the positioning pin to move upwards until the upper end of the bolt abuts against the upper electrode assembly, the stroke measuring device obtains a displacement actual value before welding (namely the upward moving distance of the bolt) through measurement and transmits the actual value to the control device, a displacement standard value before welding is preset in the control device, and the control device compares and judges the displacement actual value before welding, if the error is within the allowable range, the bolt and the workpiece are correct in position before welding, welding can be performed, and the welding quality is ensured to be qualified by detecting the position before welding.
Compared with the prior art, the welding stroke detection device has the advantages that ① can carry out automatic pre-welding detection and post-welding detection on the welding position of a nut and a workpiece, and can carry out automatic pre-welding detection and automatic detection on the welding position of a bolt and the workpiece, the detection speed is high, the detection precision is high, so that the welding production efficiency can be effectively improved, the welding quality is ensured, ② carries out limit support on the nut by arranging a conical head or a stepped shaft at the upper end of a positioning pin, the structural design is simple and ingenious, the nut is firmly supported, ③ carries out stroke measurement by using a magnetic grid ruler and a reading head, the measurement precision is high, the effect is good, the lower end of a ④ guide rod is detachably and fixedly connected with a movable shaft of a lifting cylinder, the relative position can be adjusted in the axial direction, so that the guide rod can be conveniently replaced, the length of the positioning pin extending out of a lower portion can be finely adjusted conveniently, welding or measurement parameters can be adjusted, meanwhile, the application range of the nut or the bolt to be greatly increased, the lower end of a connecting rod of a ⑤ connecting rod is detachably and fixedly connected with a fixed flange in a fixed seat in a mode of conveniently replacing a connecting sleeve, the connecting sleeve and the transition of the guide rod, the connecting rod can be greatly increased, the mechanical connection of a lifting cylinder, the lifting cylinder can be used for avoiding blockage of a.
The conception, the specific structure and the effects of the present invention will be further described with reference to the accompanying drawings, so as to fully understand the objects, the features and the effects of the present invention.
Drawings
FIG. 1 is a schematic structural view of the welding stroke detection device of the present invention;
FIG. 2 is a schematic perspective view of the structure of FIG. 1;
FIG. 3 is a schematic view of the internal structure of FIG. 1;
FIG. 4 is a schematic diagram showing the positions of the pre-weld inspection and the post-weld inspection in the process of welding the nut and the plate in the embodiment;
FIG. 5 is a schematic diagram of a common pre-weld position error when welding a nut to a plate.
Wherein: the device comprises a fixed seat 1, a lifting cylinder 2, a movable shaft 21, a mounting plate 22, a stroke measuring device 3, a magnetic grid ruler 31, a reading head 32, a connecting rod 4, a guide rod 5, a positioning pin 6, a conical head 61, a conical side surface 611, a lower electrode assembly 7, a lower electrode 71, an electrode cover 72, a transition connecting sleeve 81, a tightly-holding type connecting flange 82, an internal air blowing device 9, an air inlet joint 91, an air inlet channel 92, an air blowing cavity 93, a plate 10 and a nut 20.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the description of the specific embodiments is intended to be illustrative only and is not intended to be limiting.
It should be noted that "fixedly connected" in this document includes a manner in which two elements are directly fixedly connected, and also includes a manner in which two elements are indirectly fixedly connected through an intermediate member.
As shown in fig. 1-3, the welding stroke detection device includes a fixing base 1, a lifting cylinder 2, a stroke measurement device 3, a connecting rod 4, a guide rod 5, a positioning pin 6 and a control device, wherein the fixing base 1 is a box-shaped structure, a cylinder body of the lifting cylinder 2 is fixedly installed in the fixing base 1, the connecting rod 4 is vertically arranged and fixedly connected with the top of the fixing base 1, an upper end of the connecting rod 4 is used for installing a lower electrode assembly 7 (including a lower electrode 71 and an electrode cover 72) of a welding machine, the connecting rod 4 and the lower electrode assembly 7 are provided with guide holes penetrating along an axial direction, a lower end of the guide rod 5 is fixedly connected with a movable shaft 21 of the lifting cylinder 2, the guide rod 5 passes through the guide holes and can slide back and forth along the axial direction, the positioning pin 6 is installed at an upper end of the guide rod 5 and can extend out of an upper surface of the lower, therefore, the plate 10 and the nut 20 can be radially positioned, the upper end of the positioning pin 6 is the conical head 61 with the small diameter end facing upwards, the conical side surface 611 of the conical head 61 is a limiting structure for axially supporting and limiting the nut 20, and when the positioning pin is used, the nut 20 can be sleeved on the conical head 61 of the positioning pin 6 and supported and limited through the conical side surface 611, so that the nut 20 can be hung above the plate 10. 3 connection control devices of stroke measuring device, stroke measuring device 3 can measure the displacement distance of the loose axle 21 of lift cylinder 2 and with actual measurement distance signal transmission to controlling means, controlling means is through carrying out the comparison with actual measurement distance and preset distance to can judge whether welding position is accurate.
As shown in fig. 4, when the welding position of the nut 20 and the plate 10 is detected by using the welding stroke detecting device: before welding, firstly, the lifting cylinder 2 moves upwards to the top dead center to drive the positioning pin 6 to move upwards to extend out of the upper surface of the lower electrode assembly 7, then the plate 10 to be welded penetrates through the positioning pin 6 by utilizing a welding hole on the plate and is placed on the lower electrode assembly 7, then the nut 20 to be welded penetrates through the positioning pin 6 by utilizing a screw hole on the nut 20 to be welded and is suspended above the plate 10 by a limiting structure on the positioning pin 6, the nut 20 and the plate 10 are radially limited and keep coaxial by the positioning pin 6, the axial distance between the nut 20 and the plate 10 is called as a pre-welding distance, then the upper electrode assembly 7 and the lower electrode assembly 7 of the welding gun start to be closed, the upper electrode assembly presses the nut 20 downwards to drive the positioning pin 6 and the guide rod 5 to move downwards along the axial direction against the acting force of the lifting cylinder 2 until the nut 20 is attached to the plate 10, and the stroke measuring device 3 obtains an actual A pre-welding distance standard value is preset in the control device, the control device compares and judges the pre-welding distance measured value and the pre-welding distance standard value, if the error is in an allowable range, the pre-welding positions of the nut 20 and the plate 10 are correct, and welding can be carried out; after welding, the stroke measuring device 3 measures a welding displacement measured value (namely, the downward moving distance of the nut 20 in the welding process) and transmits the measured value to the control device, a welding displacement standard value is preset in the control device, the control device compares and judges the welding displacement measured value and the welding displacement standard value, and if the error is within an allowable range, the post-welding position of the nut 20 and the plate 10 is correct; and the welding quality is ensured to be qualified by double detection of the position before welding and the position after welding.
When the welding stroke detection device is adopted to detect the welding position of the bolt and the plate 10: before welding, firstly, the lifting cylinder 2 moves upwards to the top dead center to drive the positioning pin 6 to move upwards to extend out of the upper surface of the lower electrode assembly 7, then the plate 10 to be welded penetrates through the positioning pin 6 by utilizing the welding hole on the plate and is placed on the lower electrode assembly 7, then the lifting cylinder 2 moves downwards to the bottom dead center to drive the positioning pin 6 to move downwards and retract, then the bolt to be welded penetrates through the welding hole of the plate 10, then the upper electrode assembly and the lower electrode assembly 7 of the welding gun start to be closed, then the lifting cylinder 2 moves upwards to drive the positioning pin 6 to move upwards until the upper end of the bolt abuts against the upper electrode assembly, the stroke measuring device 3 obtains a displacement measured value before welding (namely the upward moving distance of the bolt) through measurement and transmits the measured value to a control device, a displacement standard value before welding is preset in the control device, and the control device compares and judges the displacement measured value before welding with the displacement, if the error is within the allowable range, the bolt and the plate 10 are correct in position before welding, welding can be performed, and the welding quality is ensured to be qualified by detecting the position before welding.
The utility model discloses welding stroke detection device can enough detect before carrying out the automatic weld to the welding position of nut 20 and plate 10 and detect after welding, can detect before carrying out the automatic weld to the welding position of bolt and plate 10 again, moreover can the automated inspection, and it is fast to detect, and it is high to detect the precision to can effectively improve welding production efficiency, ensure welding quality.
As shown in fig. 3, the lifting cylinder 2 is a three-axis cylinder, and includes three movable shafts 21, two of which are guide shafts, and the other is a piston shaft, and the end portions of the three movable shafts 21 are vertically and fixedly connected to a mounting plate 22. The stroke measuring device 3 includes a magnetic scale 31 and a reading head 32, the magnetic scale 31 is fixedly connected to the mounting plate 22, the reading head 32 is fixedly connected to the cylinder body of the lifting cylinder 2, and the reading head 32 is arranged opposite to the magnetic scale 31 so that the reading head 32 can measure the moving distance of the magnetic scale. The three-axis cylinder is adopted, so that the mechanical structure strength is greatly enhanced, and the service life is long; the magnetic grid ruler 31 and the reading head 32 are used for measuring the stroke, so that the measuring precision is high and the effect is good; the installation plate 22 is arranged, so that the structural arrangement is reasonable, and the installation is convenient.
As shown in fig. 3, the lower end of the guide rod 5 is detachably and fixedly connected with the movable shaft 21 of the lifting cylinder 2, and the guide rod 5 can be axially adjusted, such as in threaded connection, in relative position with the movable shaft 21 of the lifting cylinder 2; therefore, the guide rod 5 can be replaced conveniently, the length of the positioning pin 6 extending out of the lower electrode assembly 7 can be finely adjusted conveniently and quickly, welding or measurement parameters can be adjusted conveniently, and meanwhile, the application range of the nut 20 or the bolt to be welded is greatly enlarged.
As shown in fig. 3, a transition connection sleeve 81 is arranged at the end of the connection rod 4, and the connection rod 4 and the fixing base 1 are detachably and fixedly connected through a tightly-holding connection flange 82 in cooperation with the transition connection sleeve 81. The tightly-holding type connecting flange 82 is arranged, so that the guide rod 5 can be quickly detached, and the position of the guide rod 5 can be conveniently replaced and adjusted; the transitional connecting sleeve is arranged, so that the electrode arm can be suitable for threaded connection and straight shank connection (which can be realized by removing the transitional connecting sleeve 81).
As shown in fig. 3, the welding stroke detection device further includes an internal blowing device 9, the internal blowing device 9 includes an air inlet joint 91 fixedly connected to the fixing seat, one end of the air inlet joint 91 is communicated with a high-pressure air source, the other end of the air inlet joint is communicated with a blowing cavity 93 between the guide rod 5 and the connecting rod 4 through an air inlet channel 92 arranged in a top plate of the fixing seat, and a blowing port communicated with the cavity is arranged at a mounting joint of the connecting rod 4 and the lower electrode assembly 7. And an internal blowing device 9 is adopted, so that welding slag blockage can be avoided.
In other embodiments, the positioning pins may be two types, which are a nut positioning pin used when the nut 20 is welded and a bolt positioning pin used when the bolt is welded, where only the nut positioning pin is provided with the limiting structure, the bolt positioning pin is a straight rod-shaped structure without the limiting structure, and the two types of positioning pins may be selectively used according to the welding object.
The present invention has been described in detail with reference to the embodiments and the accompanying drawings, but the present invention is not limited to these embodiments and the accompanying drawings, and is not limited to the shape of the welding stroke detection device in the accompanying drawings, and the welding stroke detection device in various shapes is more beautiful, and although this shape is not the technical point of the protection claims, as long as the ordinary skilled in the art does not pay creative labor, and other embodiments and the accompanying drawings obtained by modifying, equally replacing, improving, etc. the present invention is all within the protection scope of the present invention.
Claims (9)
1. The welding stroke detection device is characterized by comprising a fixed seat, a lifting cylinder, a stroke measurement device, a connecting rod, a guide rod, a positioning pin and a control device, wherein the lifting cylinder is fixedly arranged on the fixed seat, the connecting rod is vertically arranged and is fixedly connected with the fixed seat, the upper end of the connecting rod is used for installing a lower electrode assembly of a welding machine, the connecting rod and the lower electrode assembly are provided with guide holes which are axially communicated, the lower end of the guide rod is fixedly connected with a movable shaft of the lifting cylinder, the guide rod penetrates through the guide holes and can axially and reciprocally slide along the guide holes, the positioning pin is arranged at the upper end of the guide rod and can extend out of the upper surface of the lower electrode assembly under the driving of the lifting cylinder, sequentially penetrates through a workpiece and a nut to be welded and can radially position the workpiece and the nut, the upper end of the positioning pin is also provided with a, travel measurement device connection controlling means, travel measurement device can measure the displacement of the loose axle of lift cylinder and with actual measurement distance signal transmission to controlling means, controlling means is through carrying out the comparison with actual measurement distance and preset distance to can judge whether accurate welding position.
2. The welding stroke detection device according to claim 1, wherein the upper end of the positioning pin is a conical head with a small diameter end facing upwards, the limiting structure is a conical side surface of the conical head, and when the device is used, the nut can be sleeved on the conical head of the positioning pin and can be axially supported and limited through the conical side surface; or, the locating pin upper end is equipped with the stepped shaft, limit structure is the boss of stepped shaft, and during the use, the nut can overlap on the stepped shaft and carry out the axial through the boss of stepped shaft and support spacingly.
3. The welding stroke detecting device according to claim 1, wherein the stroke measuring device comprises a magnetic scale and a reading head, one of the magnetic scale and the reading head is fixedly connected with the movable shaft of the lifting cylinder, the other one of the magnetic scale and the reading head is fixedly connected with the lifting cylinder or the fixed seat, and the reading head is arranged opposite to the magnetic scale so that the reading head can measure the relative movement distance between the reading head and the magnetic scale.
4. The welding stroke detection device of claim 1, wherein the lower end of the guide rod is detachably and fixedly connected with the movable shaft of the lifting cylinder, and the guide rod can be axially adjusted to be in relative position with the movable shaft of the lifting cylinder.
5. The welding stroke detection device according to claim 4, wherein the lower end of the connecting rod is detachably and fixedly connected with the fixed seat through a clasping type connecting flange.
6. The welding stroke detection device according to claim 5, wherein a transition connection sleeve is arranged at the end of the connection rod, and the connection rod and the fixed seat are detachably and fixedly connected through the tightly-holding type connection flange matched with the transition connection sleeve.
7. The welding stroke detecting device according to claim 3, wherein a mounting plate is fixedly connected to the movable shaft of the lifting cylinder, and the magnetic scale or the reading head is mounted on the mounting plate.
8. The welding stroke detection device of claim 7, wherein the lifting cylinder is a three-axis cylinder comprising three movable shafts, two of the three movable shafts are guide shafts, the other one of the three movable shafts is a piston shaft, the three movable shafts are fixedly connected with the mounting plate, and the lower end of the guide rod is detachably and fixedly connected with one of the movable shafts.
9. The welding stroke detection device according to any one of claims 1 to 8, further comprising an internal blowing device, wherein the internal blowing device comprises an air inlet joint fixedly connected to the fixing seat, one end of the air inlet joint is communicated with a high-pressure air source, the other end of the air inlet joint is communicated with a blowing cavity between the guide rod and the connecting rod through an air inlet channel arranged on the fixing seat, and a blowing port communicated with the cavity is arranged at the mounting joint of the connecting rod and the lower electrode assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921368337.2U CN211052818U (en) | 2019-08-20 | 2019-08-20 | Welding stroke detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921368337.2U CN211052818U (en) | 2019-08-20 | 2019-08-20 | Welding stroke detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211052818U true CN211052818U (en) | 2020-07-21 |
Family
ID=71586617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921368337.2U Active CN211052818U (en) | 2019-08-20 | 2019-08-20 | Welding stroke detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211052818U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110369850A (en) * | 2019-08-20 | 2019-10-25 | 广州市极动焊接机械有限公司 | A kind of welding device for detecting distance of travel |
| CN113245683A (en) * | 2021-05-07 | 2021-08-13 | 重庆精思凌科技有限公司 | A anti-dislocation device for nut processing spot welding operation |
-
2019
- 2019-08-20 CN CN201921368337.2U patent/CN211052818U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110369850A (en) * | 2019-08-20 | 2019-10-25 | 广州市极动焊接机械有限公司 | A kind of welding device for detecting distance of travel |
| CN113245683A (en) * | 2021-05-07 | 2021-08-13 | 重庆精思凌科技有限公司 | A anti-dislocation device for nut processing spot welding operation |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106767603B (en) | One kind extending out formula circlip automatic detection mechanism and detection method | |
| CN211052818U (en) | Welding stroke detection device | |
| CN214080009U (en) | Welding platform with leveling head | |
| CN104515490A (en) | Automatic turnover online outer diameter measuring device | |
| CN110369921A (en) | A kind of two-pass welding device for detecting distance of travel | |
| CN211052904U (en) | Double-stroke welding stroke detection device | |
| CN103862482A (en) | Positioning fixture for repairing welding of workpiece gripped by robot | |
| CN205702886U (en) | A kind of Full-automatic welding machine | |
| CN104880168A (en) | Part aperture flexibility online measuring device | |
| CN116160182A (en) | Sheet metal part welding lug positioning device | |
| CN210625602U (en) | Automatic adjusting device for support of checking fixture | |
| CN110369850A (en) | A kind of welding device for detecting distance of travel | |
| CN210347348U (en) | Multi-station plate bending tester | |
| CN109443292B (en) | Angle measuring instrument for electromagnet of oil sprayer and working method thereof | |
| CN110595904A (en) | Projection welding bolt and nut welding strength detection equipment | |
| CN212301107U (en) | Positioning device for automatic feeding of metal tensile test robot | |
| CN204649180U (en) | The flexible on-line measurement device in a kind of part aperture | |
| CN220018488U (en) | Steel pipe fixing device for gauge length appearance | |
| CN212458309U (en) | Diesel engine exhaust gas circulation exhaust pipe position degree and aperture detection equipment | |
| CN216398363U (en) | Automatic argon arc welding equipment | |
| CN212645672U (en) | Composite dimension automatic detection tool | |
| CN214502330U (en) | Detachable appearance detection hanging rack | |
| CN219869609U (en) | Abnormal shape thin wall spare thermal treatment deformation detection device | |
| CN205352454U (en) | Axial float and leak testing platform | |
| CN207907914U (en) | A kind of detent mechanism of on-line measuring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |