CN216177986U - Welding positioning device for large length-diameter ratio cylinder and end socket with inner sleeve - Google Patents
Welding positioning device for large length-diameter ratio cylinder and end socket with inner sleeve Download PDFInfo
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- CN216177986U CN216177986U CN202122631869.4U CN202122631869U CN216177986U CN 216177986 U CN216177986 U CN 216177986U CN 202122631869 U CN202122631869 U CN 202122631869U CN 216177986 U CN216177986 U CN 216177986U
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Abstract
The utility model discloses a welding positioning device for a cylinder with a large length-diameter ratio and a sealing head with an inner sleeve, wherein a bearing is rotatably arranged at the upper end of a base, a connecting plate is arranged above the bearing, a fixture body is arranged at the upper end of the connecting plate, a positioning ring is arranged at the upper end of the fixture body, 2 fork seats are respectively arranged at two ends of the positioning ring, swing bolts are connected onto the fork seats in a pin joint manner, a positioning sleeve is sleeved at the inner side end of the fixture body, a positioning shaft is sleeved at the inner end of the positioning sleeve, and a connecting shaft is sleeved between the outer side end of the positioning shaft and the inner side end of the connecting plate; the upper end of the cylinder body is provided with a seal head, the middle part of the inner side of the seal head is provided with an inner sleeve, the cylinder body is inserted into the positioning ring in a matching way, the outer arc surface of the seal head is covered with a pressing plate in a matching way, both ends of the pressing plate are provided with eye bolts in a penetrating way, and the inner sleeve is inserted into the positioning sleeve in a matching way until the lower end of the inner sleeve props against the upper plane of the positioning shaft. The utility model has compact structure of the whole device and accurate positioning, not only ensures the welding quality, but also improves the production efficiency.
Description
Technical Field
The utility model relates to a welding positioning device, in particular to a welding positioning device for a cylinder with a large length-diameter ratio and an end socket with an inner sleeve.
Background
The shell of the circular power device is formed by welding a hollow cylinder body and a seal head, and the welding quality is directly related to the quality and the production rate of products. The welding of a cylinder with a large length-diameter ratio and an end socket with an inner sleeve is a process difficulty, the traditional long inner expansion circle centering fixture cannot simultaneously clamp the cylinder and the end socket with an arc surface, the welding process of a thin-wall cylinder with the large length-diameter ratio is easy to deform, and particularly, the end socket is provided with the center inner sleeve, and the inner sleeve and the cylinder have the requirement on coaxiality, so that the positioning and clamping of butt welding of the cylinder with the large length-diameter ratio and the end socket with the inner sleeve are very critical.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a welding and positioning device for a cylinder with a large length-diameter ratio and an end socket with an inner sleeve.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a welding positioning device for a large length-diameter ratio cylinder and a sealing head with an inner sleeve comprises a pressing plate, an eyelet bolt, a positioning ring, a fork seat, a connecting plate, a clamp body, a positioning sleeve, a positioning shaft, a connecting shaft, a first nut, a round nut, a bearing, a base, a cylinder and a sealing head;
the upper end of the base is provided with a bearing hole, a bearing is rotatably arranged in the bearing hole, a connecting plate is arranged above the bearing, a clamp body is arranged at the upper end of the connecting plate, a positioning ring is arranged at the upper end of the clamp body, two ends of the positioning ring are respectively provided with 2 fork seats, an eyelet bolt is pinned on each fork seat, the inner side end of each clamp body is sleeved with a positioning sleeve, the inner end of each positioning sleeve is sleeved with a positioning shaft, a connecting shaft is sleeved between the outer side end of each positioning shaft and the inner side end of the connecting plate, a nut is in threaded connection with the outer circle of the lower section of each positioning shaft, a nut is fastened and pressed on the lower end face of the connecting shaft, and a round nut is in threaded connection with the outer circle of the lower section of the connecting shaft and is fastened and pressed on the lower end face of the base;
the upper end of the cylinder body is provided with an end socket, the middle part of the inner side of the end socket is provided with an inner sleeve, the cylinder body is inserted into the positioning ring in a matching mode, the outer arc surface of the end socket is covered with a pressing plate in a matching mode, the two ends of the pressing plate are provided with eyelet bolts in a penetrating mode, the eyelet bolts are fixed through two threads of nuts, and the end socket is inserted into the positioning sleeve in a matching mode from the inner sleeve until the lower end of the inner sleeve abuts against the upper plane of the positioning shaft.
Preferably, the connecting plate and the clamp body are in threaded connection with a first screw; the fixture body and the positioning ring are connected with a second screw in a threaded manner.
Preferably, the bottom end of the large shaft end of the connecting shaft is provided with an adjusting washer, a round nut is in threaded connection with the outer circle of the lower section of the connecting shaft and is fastened and pressed on the adjusting washer and the lower end face of the base.
Preferably, the swing bolt is pinned to the fork seat by a pin and a pin shaft.
Preferably, the outer circumference of the connecting plate is in threaded connection with a plurality of pulling rods.
Compared with the prior art, the utility model has the beneficial effects that: according to the welding positioning device for the barrel with the large length-diameter ratio and the end socket with the inner sleeve, the assembly precision is guaranteed through the manufacturing precision of parts of the device, so that the whole set of device is compact in structure, accurate in positioning and simple and convenient to operate, the welding quality is guaranteed, and the production efficiency is improved.
Drawings
FIG. 1 is an overall front view of the present invention;
FIG. 2 is a front view of the platen of the present invention;
FIG. 3 is a top view of the platen of the present invention;
FIG. 4 is a front view of the clamp body of the present invention;
FIG. 5 is a front view of the positioning sleeve of the present invention;
FIG. 6 is a front view of the cage of the present invention;
FIG. 7 is a top view of the cage of the present invention.
In the figure: 1. pressing a plate; 2. a second nut; 3. an eye bolt; 4. positioning rings; 5. a pin; 6. a pin shaft; 7. a gasket; 8. a fork seat; 9. pulling a rod; 10. a connecting plate; 11. a clamp body; 12. a positioning sleeve; 13. positioning the shaft; 14. a first nut; 15. a connecting shaft; 16. a round nut; 17. a bearing; 18. a base; 19. an adjusting washer; 20. a first screw; 21. a second screw; 22. a barrel; 23. the circumference of the cylinder and the end socket is annularly welded.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
referring to fig. 1-7, the welding and positioning device for the large length-diameter ratio cylinder and the inner sleeve sealing head mainly comprises a pressure plate 1, an eyelet bolt 3, a positioning ring 4, a fork seat 8, a pull rod 9, a connecting plate 10, a clamp body 11, a positioning sleeve 12, a positioning shaft 13, a connecting shaft 15, a round nut 16, a bearing 17, a base 18, an adjusting washer 19 and various standard connecting pieces; the reference numeral 22 is a cylinder with a large length-diameter ratio, the reference numeral 24 is a sealing head with an inner sleeve, and the reference numeral 23 is a welding point position of the circumference ring of the cylinder and the sealing head.
The first nut 14 fixes the positioning shaft 13 on the connecting shaft 15, the connecting shaft 15 is sleeved in the connecting plate 10, then the bearing 17 is installed and placed in a bearing hole at the upper end of the base 18, the adjusting washer 19 is installed, and the round nut 16 is used for fixing;
the inner diameter of a positioning sleeve 12 arranged in the fixture body 11 is sleeved on a positioning shaft 13, and a first screw 20 is used for connecting and fixing the connecting plate 10 and the fixture body 11. A plurality of dead man 9 threaded connection install in connecting plate 10 circumference, and dead man 9 is pulled out, guarantees that bearing 17 rotates nimble, steady. The locating ring 4 is arranged on the clamp body 11 through a second screw 21, the two fork seats 8 are arranged on the locating ring 4 in a threaded mode, the movable joint bolt 3 is arranged on the fork seats 8 through the pins 5 and the pin shafts 6, and the gasket 7 is arranged between the fork seats 8 and the clamp body 11.
Referring to the attached drawings 3, 4 and 5, the assembly of the positioning outer diameter above the clamp body 11 and the inner diameter of the positioning ring 4, and the assembly of the central inner diameter of the clamp body 11 and the outer diameter of the positioning sleeve 12 all adopt transition fit precision, so that the mounting and positioning precision is ensured; because the outer diameter and the central inner diameter of the positioning part above the clamp body 11 ensure the coaxiality in the attached drawing 3, and the outer diameter and the inner diameter of the positioning sleeve 12 ensure the coaxiality in the attached drawing 4, the coaxiality precision after the assembly in the attached drawing 1 is ensured.
The working principle of the utility model is as follows:
when in use, the cylinder body 22 is inserted into the positioning ring 4, and then the inner sleeve carried by the end enclosure 24 is inserted into the inner diameter of the positioning sleeve 12 until the lower end of the inner sleeve props against the upper plane of the positioning shaft 13, at this time, the cylinder body 22 and the end enclosure 24 reach the optimal relative position for butt welding; the pressing plate 1 is sleeved into the outer arc surface of the end socket, the pressing plate 1 is fixedly clamped on the end socket by using the movable joint bolt 3 and the nut II 2, and the positioning and clamping of the cylinder 22 and the end socket 24 are completed. In the welding process, the pulling rod 9 is slightly pulled, the cylinder 22 and the end enclosure 24 rotate, and an operator can easily complete the whole circumferential welding;
the precision of assembly is ensured through the manufacturing precision of each part of the device, so that the whole device is compact in structure, accurate in positioning and simple and convenient to operate, the welding quality is ensured, and the production efficiency is improved.
The utility model provides an accurate positioning device suitable for butt welding of a cylinder with a large length-diameter ratio and an end socket with an inner sleeve.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (5)
1. A welding positioning device for a cylinder with a large length-diameter ratio and an end socket with an inner sleeve is characterized by comprising a pressing plate, an eyelet bolt, a positioning ring, a fork seat, a connecting plate, a clamp body, a positioning sleeve, a positioning shaft, a connecting shaft, a first nut, a round nut, a bearing, a base, a cylinder and an end socket;
the upper end of the base is provided with a bearing hole, a bearing is rotatably arranged in the bearing hole, a connecting plate is arranged above the bearing, a clamp body is arranged at the upper end of the connecting plate, a positioning ring is arranged at the upper end of the clamp body, two ends of the positioning ring are respectively provided with 2 fork seats, an eyelet bolt is pinned on each fork seat, the inner side end of each clamp body is sleeved with a positioning sleeve, the inner end of each positioning sleeve is sleeved with a positioning shaft, a connecting shaft is sleeved between the outer side end of each positioning shaft and the inner side end of the connecting plate, a nut is in threaded connection with the outer circle of the lower section of each positioning shaft, a nut is fastened and pressed on the lower end face of the connecting shaft, and a round nut is in threaded connection with the outer circle of the lower section of the connecting shaft and is fastened and pressed on the lower end face of the base;
the upper end of the cylinder body is provided with an end socket, the middle part of the inner side of the end socket is provided with an inner sleeve, the cylinder body is inserted into the positioning ring in a matching mode, the outer arc surface of the end socket is covered with a pressing plate in a matching mode, the two ends of the pressing plate are provided with eyelet bolts in a penetrating mode, the eyelet bolts are fixed through two threads of nuts, and the end socket is inserted into the positioning sleeve in a matching mode from the inner sleeve until the lower end of the inner sleeve abuts against the upper plane of the positioning shaft.
2. The welding and positioning device for the cylinder with the large length-diameter ratio and the end socket with the inner sleeve as claimed in claim 1, wherein a first screw is connected to the connecting plate and the clamp body in a threaded manner; the fixture body and the positioning ring are connected with a second screw in a threaded manner.
3. The welding and positioning device for the cylinder with the large length-diameter ratio and the seal head with the inner sleeve as claimed in claim 1, wherein the bottom end of the large shaft end of the connecting shaft is provided with an adjusting washer, a round nut is screwed on the outer circle of the lower section of the connecting shaft, and the round nut is tightly pressed on the adjusting washer and the lower end face of the base.
4. The welding and positioning device for the cylinder with the large length-diameter ratio and the seal head with the inner sleeve as claimed in claim 1, wherein the swing bolt is pinned on the fork seat through a pin and a pin shaft.
5. The welding and positioning device for the cylinder with the large length-diameter ratio and the end socket with the inner sleeve as claimed in claim 1, wherein a plurality of pulling rods are connected to the outer circumference of the connecting plate in a threaded manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122631869.4U CN216177986U (en) | 2021-10-30 | 2021-10-30 | Welding positioning device for large length-diameter ratio cylinder and end socket with inner sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122631869.4U CN216177986U (en) | 2021-10-30 | 2021-10-30 | Welding positioning device for large length-diameter ratio cylinder and end socket with inner sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216177986U true CN216177986U (en) | 2022-04-05 |
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ID=80896386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122631869.4U Active CN216177986U (en) | 2021-10-30 | 2021-10-30 | Welding positioning device for large length-diameter ratio cylinder and end socket with inner sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216177986U (en) |
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2021
- 2021-10-30 CN CN202122631869.4U patent/CN216177986U/en active Active
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