CN211717379U - Pipe assembly monitoring devices before welding - Google Patents
Pipe assembly monitoring devices before welding Download PDFInfo
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- CN211717379U CN211717379U CN202020167004.XU CN202020167004U CN211717379U CN 211717379 U CN211717379 U CN 211717379U CN 202020167004 U CN202020167004 U CN 202020167004U CN 211717379 U CN211717379 U CN 211717379U
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Abstract
The utility model discloses a pipe assembly monitoring devices before welding, include: the device comprises a base, a first guide pipe assembly clamping mechanism, a second guide pipe assembly clamping mechanism and a scanning mechanism, wherein the base is provided with the first guide pipe assembly clamping mechanism, the second guide pipe assembly clamping mechanism and the scanning mechanism; the first pipe fitting pairing and clamping mechanism comprises a first support and a first clamping part, and is used for clamping a first pipe fitting and keeping the axial direction of the first pipe fitting horizontal; the second pipe fitting group comprises a clamping mechanism and a second clamping part, the clamping mechanism clamps a second pipe fitting and enables the axial direction of the second pipe fitting to be kept horizontal, the pipe orifice of the second pipe fitting is matched with the pipe orifice of the first pipe fitting, and the position of the second clamping part is adjusted by the adjusting mechanism; the scanning mechanism comprises a second support, a rotary driving mechanism and a scanning module, the second support is in butt joint with the first pipe fitting, the scanning module is driven to scan around a butt joint area, and whether a preset welding standard is met or not is judged. The position of the guide pipe before welding is adjusted, the welding quality of the guide pipe is improved, and the qualification rate is improved.
Description
Technical Field
The utility model belongs to the technical field of the welding monitoring, concretely relates to pipe assembly monitoring devices before welding.
Background
Various conduits are key parts in the manufacturing industries of aerospace, petrochemical industry, pressure vessels and the like, and are widely applied to systems of gas supply, oil supply, hydraulic pressure, transmission and the like. Welding is an important technological means for the production of the guide pipe, and the welding quality of the guide pipe product is directly related to the reliability of the whole product. The control of the assembly quality of the guide pipe before welding is a precondition for controlling the final welding quality of the guide pipe. The assembly clearance, the misalignment amount and the coaxiality of the guide pipe can be controlled within a reasonable range, so that a welding joint with better consistency can be obtained, and the welding defect caused by the assembly out-of-tolerance is avoided.
The types of the welding joints of the guide pipes are more, and the assembly size is difficult to measure. At present, the assembly quality before welding of the guide pipe is mainly ensured by mutually matching the accuracy of an assembly tool and the accuracy of the size of the guide pipe, and the specific numerical values of the assembly gap, the misalignment amount and the coaxiality of the guide pipe joint are not measured. The method has high requirements on the assembly level of operators and the accuracy of the assembly tool and the size of the guide pipe, and has more influencing factors. When the traditional tools such as a feeler gauge, a vernier caliper and the like are adopted to manually measure the catheter joint, corresponding joint clearance, misalignment and coaxiality data are obtained. The method has the advantages of complex measurement process, time and labor consumption and difficult guarantee of measurement precision. No matter guarantee through assembly fixture, still measure through traditional measuring tool, all be difficult to realize the quick, accurate control to pipe joint assembly quality before welding.
Therefore, it is desirable to develop a device for rapid and accurate monitoring that is simple in structure and adaptable to different sized conduit assemblies.
SUMMERY OF THE UTILITY MODEL
In order to achieve the above object, the utility model provides a pipe assembly monitoring devices before welding to solve the problem that proposes in the above-mentioned background art.
The utility model provides a following technical scheme:
a catheter pre-weld assembly monitoring device comprising: the device comprises a base, a first guide pipe assembly clamping mechanism, a second guide pipe assembly clamping mechanism and a scanning mechanism, wherein the base is provided with the first guide pipe assembly clamping mechanism, the second guide pipe assembly clamping mechanism and the scanning mechanism;
the first pipe fitting pairing and clamping mechanism comprises a first support and a first clamping part arranged at the top end of the first support, and the first clamping part is used for clamping a first pipe fitting and can keep the axial direction of the first pipe fitting horizontal;
the second pipe fitting assembly clamping mechanism comprises an adjusting mechanism and a second clamping part arranged at the top end of the adjusting mechanism, the second clamping part is used for clamping a second pipe fitting and enabling the axial direction of the second pipe fitting to be kept horizontal, the pipe orifice of the second pipe fitting is matched with the pipe orifice of the first pipe fitting, and the adjusting mechanism is used for adjusting the position of the second clamping part so as to adjust the relative position of the pipe orifice of the second pipe fitting and the pipe orifice of the first pipe fitting;
the scanning mechanism comprises a second support, a rotary driving mechanism and a scanning module which are sequentially connected, wherein the rotary driving mechanism is used for driving the second pipe fitting to be in butt joint with the first pipe fitting and then driving the scanning module to scan the butt joint area around the pipe orifice of the first pipe and the pipe orifice of the second pipe so as to judge whether the preset welding standard is met.
Optionally, the adjusting mechanism is a three-axis translational sliding table, and the three-axis translational sliding table can move along X, Y, Z three coordinate axis directions and rotate along the Z coordinate axis direction.
Optionally, rotatory slip table of triaxial translation includes first slider, second slider, the oblique slider of third and fourth adjustment block group, first slider can remove along X axle direction through first accommodate the lead screw, the second slider can remove along Y axle direction through second accommodate the lead screw, the oblique slider of third can remove along Z axle direction through third accommodate the lead screw, fourth adjustment block group can rotate along Z axle direction through fourth accommodate the lead screw group.
Optionally, the first clamping portion and the second clamping portion are both of a clamping jaw structure.
Optionally, the first clamping portion is detachably connected to the first bracket, and the second clamping portion is detachably connected to the adjusting mechanism.
Optionally, the first clamping portion and the second clamping portion are both multiple, and different first clamping portions and different second clamping portions are used for clamping catheters with different pipe diameters.
Optionally, the scanning module is a laser three-dimensional scanner.
Optionally, the rotary driving mechanism comprises a stepping motor, a first connecting rod and a second connecting rod which are connected in sequence, the stepping motor is arranged at the top end of the second support and a motor shaft of the stepping motor is horizontally arranged along the axial direction, one end of the first connecting rod is vertically connected to the motor shaft, one end of the second connecting rod is vertically connected to the other end of the first connecting rod, and the other end of the second connecting rod is connected with the scanning module.
Optionally, the welding criteria includes at least one of fit-up clearance, misalignment, and coaxiality of the interface area of the nozzle of the first conduit and the nozzle of the second conduit.
Optionally, the scanning device further comprises a power module electrically connected with the rotary driving mechanism and the scanning mechanism.
The beneficial effects of the utility model reside in that:
the clamping mechanism clamps the two pipe fittings through the first pipe group and the second pipe group, the relative position of the two pipe fittings during butt joint can be adjusted through the adjusting mechanism, the joint areas of the two pipes are scanned through the scanning mechanism, position adjustment before pipe welding is achieved, welding quality of the pipes is improved, and the qualified rate is improved.
The apparatus of the present invention has other features and advantages which will be apparent from or are set forth in more detail in the accompanying drawings and the following detailed description, which are incorporated herein, and which together serve to explain certain principles of the invention.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent by describing in more detail exemplary embodiments of the present invention with reference to the attached drawings, in which like reference numerals generally represent like parts.
Fig. 1 shows a schematic overall structural view of a catheter pre-weld assembly monitoring device according to an embodiment of the present invention;
fig. 2 shows a schematic structural view of a three-axis translation rotary table of a catheter pre-weld assembly monitoring device according to an embodiment of the present invention;
fig. 3 shows a schematic X-axis directional adjustment of a catheter pre-weld assembly monitoring device according to an embodiment of the present invention;
fig. 4 shows a schematic Y-axis directional adjustment of a catheter pre-weld assembly monitoring device according to an embodiment of the present invention;
fig. 5 shows a schematic Z-axis direction adjustment of a catheter pre-weld assembly monitoring device according to an embodiment of the present invention;
fig. 6 shows a Z-axis rotational direction adjustment schematic of a catheter pre-weld assembly monitoring device according to an embodiment of the present invention.
Description of reference numerals:
1. a base; 2. the first conduit is assembled to the clamping mechanism; 3. the second conduit is assembled to the clamping mechanism; 4. a scanning mechanism; 5. a first bracket; 6. a first clamping portion; 7. an adjustment mechanism; 8. a second clamping portion; 9. a second bracket; 10. a rotation driving mechanism; 11. a scanning module; 12. a first link; 13. a second link; 14. an X-axis direction adjusting knob; 15. a Y-axis direction adjusting knob; 16. a Z-axis direction adjusting knob; 17. the adjustment knob is rotated along the Z-axis.
Detailed Description
The invention will be described in more detail below with reference to the accompanying drawings. While the preferred embodiments of the present invention have been illustrated in the accompanying drawings, it is to be understood that the invention may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
According to the utility model discloses a monitoring devices is assembled before pipe welding, include: a catheter pre-weld assembly monitoring device comprising: the device comprises a base, a first guide pipe assembly clamping mechanism, a second guide pipe assembly clamping mechanism and a scanning mechanism, wherein the base is provided with the first guide pipe assembly clamping mechanism, the second guide pipe assembly clamping mechanism and the scanning mechanism;
the first pipe fitting pairing and clamping mechanism comprises a first support and a first clamping part arranged at the top end of the first support, and the first clamping part is used for clamping a first pipe fitting and can keep the axial direction of the first pipe fitting horizontal;
the second pipe group comprises a clamping mechanism and a second clamping part arranged at the top end of the adjusting mechanism, the second clamping part is used for clamping a second pipe fitting and can enable the axial direction of the second pipe fitting to be kept horizontal, the pipe orifice of the second pipe fitting is matched with the pipe orifice of the first pipe fitting, and the adjusting mechanism is used for adjusting the position of the second clamping part so as to adjust the relative position of the pipe orifice of the second pipe fitting and the pipe orifice of the first pipe fitting;
the scanning mechanism comprises a second support, a rotary driving mechanism and a scanning module which are sequentially connected, and the rotary driving mechanism is used for driving the scanning module to scan around the butt joint area of the pipe orifice of the first guide pipe and the pipe orifice of the second guide pipe after the second pipe fitting is in butt joint with the first pipe fitting so as to judge whether the preset welding standard is met.
Specifically, clamp mechanism and second pipe group carry out the centre gripping to fixture to two pipes through first pipe group, scan the joint region of two pipes through scanning mechanism, in order to judge whether satisfy predetermined welding standard, when unsatisfied predetermined welding standard, can be to the relative position when adjusting two pipe fittings docks through guiding mechanism, until satisfying predetermined welding standard, can realize the intelligent position control before the pipe welds, improve the welding quality of pipe, promote the qualification rate.
Alternatively, the adjusting mechanism is a three-axis translation rotary sliding table, and the three-axis translation rotary sliding table can move along the directions of three coordinate axes X, Y, Z and rotate along the direction of a Z coordinate axis. The three-axis translation rotary sliding table comprises a first sliding block, a second sliding block, a third inclined sliding block and a fourth adjusting block group, the first sliding block can move along the X-axis direction through a first adjusting screw rod, the second sliding block can move along the Y-axis direction through a second adjusting screw rod, the third inclined sliding block can move along the Z-axis direction through a third adjusting screw rod, and the fourth adjusting block group can rotate along the Z-axis direction through a fourth adjusting screw rod group.
Specifically, referring to fig. 2, the X-axis direction adjusting knob is connected to a first adjusting screw rod, and the first adjusting screw rod is connected to the first slider in a matching manner, so that the second clamping portion moves along the X-axis direction; the Y-axis direction adjusting knob is connected with a second adjusting screw rod, and the second adjusting screw rod is connected with a second sliding block in a matched mode, so that the second clamping part moves along the Y-axis direction; the Z-axis direction adjusting knob is connected with a third adjusting screw rod, and the third adjusting screw rod is connected with a third inclined slide block in a matched mode, so that the second clamping part moves along the Z-axis direction; the Z-axis rotary adjusting knob is connected with a pair of fourth adjusting screw rods, the pair of fourth adjusting screw rods are oppositely screwed into the pair of hollow fixed blocks, a certain distance is reserved between the pair of fourth adjusting screw rods and used for adjusting a measured object, and the second clamping part is enabled to rotate along the Z-axis direction. The specific form of the three-axis translational sliding table can be designed by those skilled in the art according to actual requirements, or other existing three-axis translational sliding tables can be adopted, and details are not repeated here.
Alternatively, the first clamping part and the second clamping part are both of a clamping jaw structure. The first clamping part is detachably connected with the first support, and the second clamping part is detachably connected with the adjusting mechanism. The first clamping part and the second clamping part are multiple, and different first clamping parts and different second clamping parts are used for clamping the pipes with different pipe diameters.
Specifically, referring to fig. 1 and 2, the first clamping portion and the second clamping portion can rapidly replace clamping jaws of different specifications to adapt to the assembly of catheters to be tested of different sizes, and the device has high adaptability and wide application.
Alternatively, the scanning module is a laser three-dimensional scanner.
Specifically, the three-dimensional laser scanner is a conventional technology, and mainly comprises a laser emitter, a receiver, a time counter, a motor-controlled rotatable optical filter, a control circuit board, a microcomputer, a CCD machine, software and the like. The data that three-dimensional laser scanner measured help the position adjustment before the pipe welds, improve the welding quality of pipe, promote the qualification rate.
As an alternative, referring to fig. 1, the rotation driving mechanism includes a stepping motor, a first connecting rod and a second connecting rod, which are connected in sequence, the stepping motor is disposed at the top end of the second bracket, a motor shaft of the stepping motor is horizontally disposed along an axial direction, one end of the first connecting rod is vertically connected to the motor shaft, one end of the second connecting rod is vertically connected to the other end of the first connecting rod, and the other end of the second connecting rod is connected to the scanning module.
Alternatively, the welding criteria includes at least one of fit-up clearance, misalignment, and coaxiality of the interface area of the orifice of the first conduit with the orifice of the second conduit.
Optionally, the scanning device further comprises a power supply module, and the power supply module is electrically connected with the rotary driving mechanism and the scanning mechanism.
Specifically, the use method of the device for assembling and monitoring the catheter before welding comprises the following steps:
step S1: the first pipe fitting and the second pipe fitting to be tested are fixed by the first pipe fitting pairing clamping mechanism and the second pipe pairing clamping mechanism respectively, so that the axial directions of the first pipe fitting and the second pipe fitting are kept horizontal;
step S2: the rotary driving mechanism drives the scanning module to perform all-position scanning on the first pipe fitting and the second pipe fitting, and assembling clearance, misalignment amount and coaxiality data are obtained.
Step S3: judging whether the assembly position meets the assembly requirement or not according to the obtained assembly gap, misalignment amount and coaxiality data;
step S4: if the assembling clearance, the misalignment amount and the coaxiality data meet the assembling requirements, the measurement is finished;
step S5: if the requirement is not met, the relative position of the second pipe fitting is adjusted by the second pipe group to the clamping mechanism, and S1, S2 and S3 are repeated in sequence until the assembling clearance, the misalignment amount and the coaxiality data meet the assembling requirement.
Example (b):
fig. 1 shows a schematic overall structural view of a catheter pre-weld assembly monitoring device according to an embodiment of the present invention; fig. 2 illustrates a three directional adjustment knob view of a catheter pre-weld assembly monitoring device according to one embodiment of the present invention; fig. 3 shows a schematic X-axis directional adjustment of a catheter pre-weld assembly monitoring device according to an embodiment of the present invention; fig. 4 shows a schematic Y-axis directional adjustment of a catheter pre-weld assembly monitoring device according to an embodiment of the present invention; fig. 5 shows a schematic Z-axis direction adjustment of a catheter pre-weld assembly monitoring device according to an embodiment of the present invention; fig. 6 shows a Z-axis rotational direction adjustment schematic of a catheter pre-weld assembly monitoring device according to an embodiment of the present invention.
Referring to fig. 1, 2, 3, 4, 5 and 6, the catheter pre-weld assembly monitoring device includes: the device comprises a base 1, wherein a first conduit group is arranged on the base 1, and a clamping mechanism 2, a second conduit group is arranged on the base 1, and a clamping mechanism 3 and a scanning mechanism 4 are arranged on the second conduit group;
the first pipe fitting group is arranged on the clamping mechanism 2 and comprises a first support 5 and a first clamping part 6 arranged at the top end of the first support, and the first clamping part 6 is used for clamping a first pipe fitting and can keep the axial direction of the first pipe fitting horizontal;
the second pipe group is to the clamping mechanism 3 and comprises an adjusting mechanism 7 and a second clamping part 8 arranged at the top end of the adjusting mechanism, the second clamping part 8 is used for clamping a second pipe and enabling the axial direction of the second pipe to be kept horizontal, the pipe orifice of the second pipe is matched with the pipe orifice of the first pipe, the adjusting mechanism 7 is used for adjusting the position of the second clamping part 8, and further the relative position of the pipe orifice of the second pipe and the pipe orifice of the first pipe is adjusted;
the scanning mechanism 4 comprises a second support 9, a rotary driving mechanism 10 and a scanning module 11 which are sequentially connected, wherein the rotary driving mechanism 10 is used for driving the scanning module 11 to scan around the butt joint area of the pipe orifice of the first guide pipe and the pipe orifice of the second guide pipe after the second pipe and the first pipe are in butt joint so as to judge whether the preset welding standard is met.
Wherein, adjustment mechanism 7 is the rotatory slip table of triaxial translation, and the rotatory slip table of triaxial translation can move and rotate along three coordinate axis directions of X, Y, Z.
The three-axis translation rotary sliding table comprises a first sliding block, a second sliding block, a third inclined sliding block and a fourth adjusting block group, the first sliding block can move along the X-axis direction through a first adjusting screw rod, the second sliding block can move along the Y-axis direction through a second adjusting screw rod, the third inclined sliding block can move along the Z-axis direction through a third adjusting screw rod, and the fourth adjusting block group can rotate along the Z-axis direction through a fourth adjusting screw rod group.
Wherein, the first clamping part 6 and the second clamping part 8 are both of clamping jaw structures.
The first clamping part 6 is detachably connected with the first support 5, and the second clamping part 8 is detachably connected with the adjusting mechanism 7.
Wherein, first clamping part 6 and second clamping part 8 are a plurality of, and different first clamping part 6 and different second clamping part 8 are used for the pipe of different pipe diameters of centre gripping.
The scanning module 11 is a laser three-dimensional scanner.
Wherein, the rotary driving mechanism 10 includes a stepping motor, a first connecting rod 12 and a second connecting rod 13 which are connected in sequence, the stepping motor is arranged on the top end of the second bracket 9, and a motor shaft of the stepping motor is horizontally arranged along the axial direction, one end of the first connecting rod 12 is vertically connected to the motor shaft, one end of the second connecting rod 13 is vertically connected to the other end of the first connecting rod 12, and the other end of the second connecting rod 13 is connected with the scanning module 11.
Wherein the welding criteria includes at least one of fit-up clearance, misalignment, and coaxiality of the interface area of the nozzle of the first conduit and the nozzle of the second conduit.
The scanning device also comprises a power supply module which is electrically connected with the rotary driving mechanism 10 and the scanning mechanism 4.
While various embodiments of the present invention have been described above, the above description is intended to be illustrative, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.
Claims (10)
1. A catheter pre-weld assembly monitoring device, comprising: the device comprises a base, a first guide pipe assembly clamping mechanism, a second guide pipe assembly clamping mechanism and a scanning mechanism, wherein the base is provided with the first guide pipe assembly clamping mechanism, the second guide pipe assembly clamping mechanism and the scanning mechanism;
the first pipe fitting pairing and clamping mechanism comprises a first support and a first clamping part arranged at the top end of the first support, and the first clamping part is used for clamping a first pipe fitting and can keep the axial direction of the first pipe fitting horizontal;
the second pipe fitting assembly clamping mechanism comprises an adjusting mechanism and a second clamping part arranged at the top end of the adjusting mechanism, the second clamping part is used for clamping a second pipe fitting and enabling the axial direction of the second pipe fitting to be kept horizontal, the pipe orifice of the second pipe fitting is matched with the pipe orifice of the first pipe fitting, and the adjusting mechanism is used for adjusting the position of the second clamping part so as to adjust the relative position of the pipe orifice of the second pipe fitting and the pipe orifice of the first pipe fitting;
the scanning mechanism comprises a second support, a rotary driving mechanism and a scanning module which are sequentially connected, wherein the rotary driving mechanism is used for driving the second pipe fitting to be in butt joint with the first pipe fitting and then driving the scanning module to scan the butt joint area around the pipe orifice of the first pipe and the pipe orifice of the second pipe so as to judge whether the preset welding standard is met.
2. The conduit pre-weld assembly monitoring device of claim 1, wherein the adjustment mechanism is a three-axis translational slipway that is capable of moving in X, Y, Z three-axis directions and rotating in the Z-axis direction.
3. The conduit assembly monitoring device before welding of claim 2, wherein the three-axis translational rotary sliding table comprises a first sliding block, a second sliding block, a third oblique sliding block and a fourth adjusting block group, the first sliding block can move along the X-axis direction through a first adjusting screw rod, the second sliding block can move along the Y-axis direction through a second adjusting screw rod, the third oblique sliding block can move along the Z-axis direction through a third adjusting screw rod, and the fourth adjusting block group can rotate along the Z-axis through a fourth adjusting screw rod group.
4. The conduit pre-weld assembly monitoring device of claim 1, wherein the first clamping portion and the second clamping portion are each of a jaw configuration.
5. The conduit pre-weld assembly monitoring device of claim 1, wherein the first clamping portion is removably coupled to the first bracket and the second clamping portion is removably coupled to the adjustment mechanism.
6. A conduit pre-weld assembly monitoring device as claimed in claim 1 wherein the first clamping portion and the second clamping portion are each a plurality of different first clamping portions and different second clamping portions for clamping conduits of different pipe diameters.
7. The catheter pre-weld assembly monitoring device of claim 1, wherein the scanning module is a laser three-dimensional scanner.
8. The device for monitoring assembly before welding of the guide pipe according to claim 1, wherein the rotary driving mechanism comprises a stepping motor, a first connecting rod and a second connecting rod which are connected in sequence, the stepping motor is arranged at the top end of the second support, a motor shaft of the stepping motor is horizontally arranged along the axial direction, one end of the first connecting rod is vertically connected to the motor shaft, one end of the second connecting rod is vertically connected to the other end of the first connecting rod, and the other end of the second connecting rod is connected with the scanning module.
9. The conduit pre-weld assembly monitoring device of claim 1, wherein the weld criteria includes at least one of fit-up clearance, misalignment, and concentricity of the interface area of the nozzle of the first conduit and the nozzle of the second conduit.
10. The catheter pre-weld assembly monitoring device of claim 1, further comprising a power module electrically connected to the rotational drive mechanism and the scanning mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020167004.XU CN211717379U (en) | 2020-02-13 | 2020-02-13 | Pipe assembly monitoring devices before welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020167004.XU CN211717379U (en) | 2020-02-13 | 2020-02-13 | Pipe assembly monitoring devices before welding |
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| Publication Number | Publication Date |
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| CN211717379U true CN211717379U (en) | 2020-10-20 |
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| CN202020167004.XU Active CN211717379U (en) | 2020-02-13 | 2020-02-13 | Pipe assembly monitoring devices before welding |
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| CN (1) | CN211717379U (en) |
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