CN212384919U - Manual assembly welding device for butt joint flange plates - Google Patents
Manual assembly welding device for butt joint flange plates Download PDFInfo
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- CN212384919U CN212384919U CN202020838272.XU CN202020838272U CN212384919U CN 212384919 U CN212384919 U CN 212384919U CN 202020838272 U CN202020838272 U CN 202020838272U CN 212384919 U CN212384919 U CN 212384919U
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- sleeve
- main screw
- welding
- locking nut
- support
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- 238000003466 welding Methods 0.000 title claims abstract description 78
- 210000001503 joint Anatomy 0.000 title claims abstract description 7
- 238000012856 packing Methods 0.000 abstract 1
- 239000000725 suspension Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 9
- 208000037656 Respiratory Sounds Diseases 0.000 description 3
- 238000005553 drilling Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000003801 milling Methods 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 238000004080 punching Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 229910000679 solder Inorganic materials 0.000 description 3
- 238000005034 decoration Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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Abstract
The utility model relates to a welding tool technical field especially relates to a manual assembly welding set of butt joint flange dish, including upper bracket, upper bracket lock nut, main screw, upper sleeve lock nut, upper supporting disk, bottom suspension disk, two semicircle packing rings, lower carriage lock nut, lower sleeve and lower sleeve lock nut. The utility model discloses can realize at the welding of curved surface, reduce workman's the welding degree of difficulty, improve welding precision and stability to the product surface is smooth as far as possible, does not have obvious arch.
Description
Technical Field
The utility model relates to a welding tool technical field especially relates to a manual assembly welding set of butt joint flange dish.
Background
The seal head of the pressure container needs to be connected with various pipelines, the connection of the seal head and the pipelines needs a flange plate for switching, and the connection of the flange plate and the seal head generally adopts a welding mode. The flange plate is limited by the special position of the welding line of the flange plate, is of a curved surface structure, and has a small diameter, so that the automatic assembling and welding method is difficult to adopt, and the manual assembling and welding method is mostly adopted. And because the force bearing characteristic of the pressure vessel has higher requirement on the welding seam of the flange plate, and the position precision of the flange plate and the end enclosure is also very high, a matched tool clamp is required to ensure the assembly precision and the welding quality.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the not enough of above-mentioned technique, and provide a manual assembly welding set of butt joint ring flange.
The utility model discloses a realize above-mentioned purpose, adopt following technical scheme: the utility model provides a manual assembly welding set of butt joint ring flange which characterized in that: the device comprises an upper bracket, an upper bracket locking nut, a main screw rod, an upper sleeve locking nut, an upper support disc, a lower support disc, two semicircular washers, a lower bracket locking nut, a lower sleeve and a lower sleeve locking nut; the main screw penetrates through all the parts, the upper part of the upper support is sleeved on the upper part of the main screw and is positioned and locked through an upper support locking nut, the lower part of the upper support is fixedly connected with the upper support plate, the upper sleeve is sleeved on the main screw and is positioned in the upper support, the upper sleeve locking nut is in threaded connection with the main screw and tightly presses the upper part of the upper sleeve, the inner diameters of the upper sleeve and the lower sleeve are smaller than the inner diameter of a flange plate to be welded, pressure plates are arranged at the end parts of the upper sleeve and the lower sleeve, and the outer diameter of each pressure plate is larger than the outer diameter of the flange plate; the lower support is arranged on the other side of the main screw in a mirror image mode, the lower portion of the lower support is sleeved on the lower portion of the main screw and is positioned and locked through a lower support locking nut, the lower portion of the lower support is fixedly connected with the lower supporting disc, the two semicircular gaskets are fixed on the lower supporting disc through bolts, the lower sleeve is sleeved on the main screw and is located in the lower support, and the lower sleeve locking nut is in threaded connection with the main screw and tightly presses the lower portion of the lower sleeve.
Preferably, the two semicircular gaskets are respectively provided with a groove, the groove is right below the joint of the flange and the workpiece, and the diameter of the groove is 8 mm.
Preferably, the two semicircular washers have a gap, spaced 1mm apart.
Preferably, the outer diameter of the upper sleeve and the lower sleeve is spaced from the inner diameter of the flange by 0.5 mm.
The beneficial effects of the utility model are that the utility model discloses can realize at the welding of curved surface, reduce workman's the welding degree of difficulty, improve welding precision and stability to the product surface is smooth as far as possible, does not have obvious arch.
Drawings
FIG. 1 is a welding assembly view of the present invention;
FIG. 2 is an enlarged view at A in FIG. 1;
fig. 3 is a perspective view of the present invention;
fig. 4 is a diagram of the welding position of the present invention.
Detailed Description
Spatially relative terms such as "above … …", "above … …", "above … …", "above", and the like, may be used herein for ease of description to describe the spatial relationship of one feature or characteristic to another feature or characteristic as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
As shown in fig. 1 and 2, a manual assembling and welding device for butt-joint flange plates comprises an upper bracket 1, an upper bracket lock nut 2, a main screw 3, an upper sleeve 4, an upper sleeve lock nut 5, an upper support plate 6, a lower support plate 7, two semicircular washers 8, a lower bracket 9, a lower bracket lock nut 10, a lower sleeve 11 and a lower sleeve lock nut 12; the main screw penetrates through all the parts, the upper part of the upper support is sleeved on the upper part of the main screw and is positioned and locked through an upper support locking nut, the lower part of the upper support is fixedly connected with the upper support plate, the upper sleeve is sleeved on the main screw and is positioned in the upper support, the upper sleeve locking nut is in threaded connection with the main screw and tightly presses the upper part of the upper sleeve, the inner diameters of the upper sleeve and the lower sleeve are smaller than the inner diameter of a flange plate to be welded, the end parts of the upper sleeve and the lower sleeve are provided with pressure plates 13, and the outer diameter of each pressure plate is larger than the outer diameter of the flange plate; the lower support is arranged on the other side of the main screw in a mirror image mode, the lower portion of the lower support is sleeved on the lower portion of the main screw and is positioned and locked through a lower support locking nut, the lower portion of the lower support is fixedly connected with the lower supporting disc, the two semicircular gaskets are fixed on the lower supporting disc through bolts 17, the lower sleeve is sleeved on the main screw and is located in the lower support, and the lower sleeve locking nut is in threaded connection with the main screw and tightly presses the lower portion of the lower sleeve. The two semicircular gaskets are respectively provided with a groove 14, the groove corresponds to the position right below the joint of the flange 15 and the workpiece 16, and the diameter of the groove is 8 mm.
Example 1
Referring to fig. 1-4, the flange plate of the end socket is welded by first positioning the center of the flange plate hole. According to the diameter of the flange plate shown in the drawing, the diameter of the flange plate is 20mm, and the distance between the central point of the flange plate and the central axis of the end socket is small r. And obtaining the height h according to the inner radius R of the end socket. Determining the height of the end enclosure where the central point is located by combining a high foot rule; the centre point was marked with a ruler and the dial drawn 20.5mm diameter. And (5) manually perforating. Drawing a 17.7mm circle in the flange plate line, punching out the center of the opening by using a sample, drilling by using a drill bit with the diameter of 2.5mm in cooperation with an air drill, and opening the opening in a gang drill mode. And finally, repeatedly reaming by using a milling cutter, repairing to the diameter of 20.5mm, and repairing the hole by using a burr-removed drill bit and a low-speed air drill. The holes and flanges were checked repeatedly. And beveling the welding part of the flange plate and the product, including the inner side and the outer side, by using a scraper. The mode of manual trompil for flange dish hole precision can not satisfy the condition requirement of high quality welding to the assembly far away, and the unable fine assurance assembly clearance when checking with the machine adds the ring flange of production often has great clearance, leads to because the welding seam contracts seriously, makes the welding seam crackle, so must open the groove earlier.
The assembly adopts simple and easy welding jig, and the mode of internal stay external pressure is fixed. The assembling process includes penetrating the main screw rod into the sealing head and the flange, clamping the two sleeves to the upper and lower ends of the flange separately, and regulating and fixing the positions of the sleeves with nuts separately. Then the upper and lower sides of the end socket are respectively provided with an upper bracket and a lower bracket which are also matched with nuts for position adjustment and fixation. And the concave side of the lower bracket is provided with a semicircular gasket, and each semicircular gasket is connected and fixed with the lower bracket by two bolts respectively. Note that: the weld is located approximately at the center of the gasket groove. After fixing, spot welding is firstly carried out at a plurality of positions, and then two layers of welding are carried out on the front surface: and (5) performing backing welding, removing welding leaks on two sides in the backing welding seam, and performing cover surface welding seam again on the backing welding seam. And then, carrying out back cover welding on the back surface. Because in the preceding welding process, can hardly avoid having the solder joint to leak and produce, so will weld the hourglass and go to weld and back cover welding, in order to guarantee the accuracy of welding, will polish and weld the hourglass.
After welding, the flange plate clamp used by the user is taken off, cleaned and inspected.
Example 2
Referring to fig. 1-4, the flange plate of the end socket is welded by first positioning the center of the flange plate hole. According to the diameter of the flange plate shown in the drawing, the diameter of the flange plate is 30mm, and the distance between the central point of the flange plate and the central axis of the end socket is small r. And obtaining the height h according to the inner radius R of the end socket. Determining the height of the end enclosure where the central point is located by combining a high foot rule; the centre point was marked with a ruler and the dial drawn 30.5mm diameter. And (5) manually perforating. Drawing a 27.7mm circle in the flange plate line, punching out the center of the opening by using a sample, drilling by using a drill bit with the diameter of 2.5mm in cooperation with a pneumatic drill, and opening the opening in a gang drill mode. And finally, repeatedly reaming by using a milling cutter, repairing to the diameter of 30.5mm, and repairing the hole by using a burr-removed drill bit and a low-speed air drill. The holes and flanges were checked repeatedly. And beveling the welding part of the flange plate and the product, including the inner side and the outer side, by using a scraper. The mode of manual trompil for flange dish hole precision can not satisfy the condition requirement of high quality welding to the assembly far away, and the unable fine assurance assembly clearance when checking with the machine adds the ring flange of production often has great clearance, leads to because the welding seam contracts seriously, makes the welding seam crackle, so must open the groove earlier.
The assembly adopts simple and easy welding jig, and the mode of internal stay external pressure is fixed. The assembling process includes penetrating the main screw rod into the sealing head and the flange, clamping the two sleeves to the upper and lower ends of the flange separately, and regulating and fixing the positions of the sleeves with nuts separately. Then the upper and lower sides of the end socket are respectively provided with an upper bracket and a lower bracket which are also matched with nuts for position adjustment and fixation. And the concave side of the lower bracket is provided with a semicircular gasket, and each semicircular gasket is connected and fixed with the lower bracket by two bolts respectively. Note that: the weld is located approximately at the center of the gasket groove. After fixing, spot welding is firstly carried out at a plurality of positions, and then two layers of welding are carried out on the front surface: and (5) performing backing welding, removing welding leaks on two sides in the backing welding seam, and performing cover surface welding seam again on the backing welding seam. And then, carrying out back cover welding on the back surface. Because in the preceding welding process, can hardly avoid having the solder joint to leak and produce, so will weld the hourglass and go to weld and back cover welding, in order to guarantee the accuracy of welding, will polish and weld the hourglass. After welding, the flange plate clamp used by the user is taken off, cleaned and inspected.
Example 3
Referring to fig. 1-4, the flange plate of the end socket is welded by first positioning the center of the flange plate hole. According to the diameter of the flange plate shown in the drawing, the diameter of the flange plate is 40mm, and the distance between the central point of the flange plate and the central axis of the end socket is small r. And obtaining the height h according to the inner radius R of the end socket. Determining the height of the end enclosure where the central point is located by combining a high foot rule; the centre point was marked with a ruler and the dial drawn 40.5mm diameter. And (5) manually perforating. Drawing a circle of 37.7mm in the flange plate line, punching out the center of the opening by using a sample, drilling by using a drill bit with the diameter of 2.5mm in cooperation with a pneumatic drill, and opening the opening in a gang drill mode. And finally, repeatedly reaming by using a milling cutter, repairing to the diameter of 40.5mm, and repairing the hole by using a burr-removed drill bit and a low-speed air drill. The holes and flanges were checked repeatedly. And beveling the welding part of the flange plate and the product, including the inner side and the outer side, by using a scraper. The mode of manual trompil for flange dish hole precision can not satisfy the condition requirement of high quality welding to the assembly far away, and the unable fine assurance assembly clearance when checking with the machine adds the ring flange of production often has great clearance, leads to because the welding seam contracts seriously, makes the welding seam crackle, so must open the groove earlier.
The assembly adopts simple and easy welding jig, and the mode of internal stay external pressure is fixed. The assembling process includes penetrating the main screw rod into the sealing head and the flange, clamping the two sleeves to the upper and lower ends of the flange separately, and regulating and fixing the positions of the sleeves with nuts separately. Then the upper and lower sides of the end socket are respectively provided with an upper bracket and a lower bracket which are also matched with nuts for position adjustment and fixation. And the concave side of the lower bracket is provided with a semicircular gasket, and each semicircular gasket is connected and fixed with the lower bracket by two bolts respectively. Note that: the weld is located approximately at the center of the gasket groove. After fixing, spot welding is firstly carried out at a plurality of positions, and then two layers of welding are carried out on the front surface: and (5) performing backing welding, removing welding leaks on two sides in the backing welding seam, and performing cover surface welding seam again on the backing welding seam. And then, carrying out back cover welding on the back surface. Because in the preceding welding process, can hardly avoid having the solder joint to leak and produce, so will weld the hourglass and go to weld and back cover welding, in order to guarantee the accuracy of welding, will polish and weld the hourglass. After welding, the flange plate clamp used by the user is taken off, cleaned and inspected.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (4)
1. The utility model provides a manual assembly welding set of butt joint ring flange which characterized in that: the device comprises an upper bracket, an upper bracket locking nut, a main screw rod, an upper sleeve locking nut, an upper support disc, a lower support disc, two semicircular washers, a lower bracket locking nut, a lower sleeve and a lower sleeve locking nut; the main screw penetrates through all the parts, the upper part of the upper support is sleeved on the upper part of the main screw and is positioned and locked through an upper support locking nut, the lower part of the upper support is fixedly connected with the upper support plate, the upper sleeve is sleeved on the main screw and is positioned in the upper support, the upper sleeve locking nut is in threaded connection with the main screw and tightly presses the upper part of the upper sleeve, the inner diameters of the upper sleeve and the lower sleeve are smaller than the inner diameter of a flange plate to be welded, pressure plates are arranged at the end parts of the upper sleeve and the lower sleeve, and the outer diameter of each pressure plate is larger than the outer diameter of the flange plate; the lower support is arranged on the other side of the main screw in a mirror image mode, the lower portion of the lower support is sleeved on the lower portion of the main screw and is positioned and locked through a lower support locking nut, the lower portion of the lower support is fixedly connected with the lower supporting disc, the two semicircular gaskets are fixed on the lower supporting disc through bolts, the lower sleeve is sleeved on the main screw and is located in the lower support, and the lower sleeve locking nut is in threaded connection with the main screw and tightly presses the lower portion of the lower sleeve.
2. The manual assembly welding set of claim 1, wherein: the two semicircular gaskets are respectively provided with a groove, the grooves correspond to the positions right below the joint of the flange and the workpiece, and the diameter of each groove is 8 mm.
3. The manual assembly welding set of claim 1, wherein: the two semicircular washers have a gap with a distance of 1 mm.
4. The manual assembly welding set of claim 1, wherein: the outer diameters of the upper sleeve and the lower sleeve are 0.5mm away from the inner diameter of the flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020838272.XU CN212384919U (en) | 2020-05-19 | 2020-05-19 | Manual assembly welding device for butt joint flange plates |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020838272.XU CN212384919U (en) | 2020-05-19 | 2020-05-19 | Manual assembly welding device for butt joint flange plates |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212384919U true CN212384919U (en) | 2021-01-22 |
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ID=74251057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020838272.XU Expired - Fee Related CN212384919U (en) | 2020-05-19 | 2020-05-19 | Manual assembly welding device for butt joint flange plates |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212384919U (en) |
-
2020
- 2020-05-19 CN CN202020838272.XU patent/CN212384919U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210122 |