CN209811621U - Large-diameter pipe internal and external welding seam rolling mechanism - Google Patents
Large-diameter pipe internal and external welding seam rolling mechanism Download PDFInfo
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- CN209811621U CN209811621U CN201920485756.8U CN201920485756U CN209811621U CN 209811621 U CN209811621 U CN 209811621U CN 201920485756 U CN201920485756 U CN 201920485756U CN 209811621 U CN209811621 U CN 209811621U
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Abstract
The utility model discloses an inside and outside weld joint calendering mechanism of a large-diameter pipe, which comprises a shell and a core rod used for being stuffed into the large-diameter pipe, wherein a roller component is arranged in the shell, the roller component consists of an upper calendering roller and two lower supporting rollers which are oppositely arranged in the front and the back, and a processing space is formed between the upper calendering roller and the lower supporting rollers; the upper rolling roller is arranged on an upper die frame through a supporting shaft, and the upper die frame is controlled by an upper and lower driving mechanism to move up and down; the two lower support rollers are both arranged on a lower die carrier through a support shaft, and the lower die carrier is controlled by an up-down adjusting mechanism to move up and down; the mandrel is arranged in the front-back direction, the mandrel is positioned between the upper rolling roller and the lower supporting roller, roller mounting grooves are formed in the positions, facing the lower supporting roller and the upper rolling roller, of the mandrel, and rolling rollers are arranged in each roller mounting groove. The utility model discloses can carry out the calendering simultaneously to the inside and outside welding seam of heavy-calibre pipe, and can avoid the inner wall of heavy-calibre pipe by the fish tail.
Description
Technical Field
The utility model relates to a welding seam calendering mechanism, more specifically say, relate to an inside and outside welding seam calendering mechanism of heavy-calibre pipe.
Background
Welding is a common processing method for permanently bonding two objects together, the existing large-diameter pipe is made of 304 stainless steel or 316 stainless steel or carbon steel, a welding seam is formed on the manufactured large-diameter pipe, and the welding seam needs to be removed in order to ensure that the inner wall and the outer wall of the large-diameter pipe are smooth, so that a mechanism capable of simultaneously rolling the inner welding seam and the outer welding seam of the large-diameter pipe is urgently needed to be developed.
Disclosure of Invention
1. Technical problem to be solved by the utility model
An object of the utility model is to overcome foretell not enough, provide an inside and outside welding seam calendering mechanism of heavy-calibre pipe, adopt the technical scheme of the utility model, simple structure, it is convenient to connect, can calender the inside and outside welding seam of heavy-calibre pipe simultaneously, and can avoid the inner wall of heavy-calibre pipe by the fish tail.
2. Technical scheme
In order to achieve the above purpose, the utility model provides a technical scheme does:
the utility model discloses an inside and outside welding seam calendering mechanism of heavy-calibre pipe, including the shell with be used for stuffing in the plug in the heavy-calibre pipe, the shell in be provided with the wheel components that are used for carrying out the calendering to the outside welding seam of heavy-calibre pipe, this wheel components comprises an upper calendering gyro wheel and two lower support gyro wheels that set up relatively from beginning to end, constitutes the machining space that so that the heavy-calibre pipe fore-and-aft direction passes between upper calendering gyro wheel and the lower support gyro wheel; the upper rolling roller is arranged on an upper die frame through a supporting shaft, and the upper die frame is controlled by an upper and lower driving mechanism to move up and down; the two lower support rollers are both arranged on a lower die carrier through a support shaft, and the lower die carrier is controlled by an up-down adjusting mechanism to move up and down; the mandrel is arranged in the front-back direction, the mandrel is positioned between the upper rolling roller and the lower supporting roller, roller mounting grooves are formed in the positions, facing the lower supporting roller and the upper rolling roller, of the mandrel, and rolling rollers for rolling inner welding seams of the large-diameter pipes are arranged in each roller mounting groove.
Furthermore, the up-down driving mechanism comprises a down-pressing oil cylinder, an oil cylinder mounting plate and a connecting nut, the down-pressing oil cylinder is fixed on the oil cylinder mounting plate, the oil cylinder mounting plate is fixed on an upper fixing plate of the shell, and the lower end of a piston rod of the down-pressing oil cylinder penetrates through the oil cylinder mounting plate and the upper fixing plate and then is in threaded connection with the connecting nut; and the connecting nut is fixedly connected with the transverse plate of the upper die frame through the fixing block.
Furthermore, the up-down adjusting mechanism comprises a screw rod, the upper end of the screw rod is fixedly arranged on a transverse plate of the lower die carrier, and the lower end of the screw rod penetrates out of the lower fixing plate after an adjusting nut is connected to the screw rod in a threaded manner; and a nut stop block is arranged on one side of the adjusting nut and is fixed on the lower fixing plate of the shell through a bolt.
Furthermore, last die carrier and lower die carrier all include the diaphragm and set firmly the riser at both ends about the diaphragm, the riser on offer the shaft hole that is used for the installation back shaft, seted up bayonet lock mounting groove on the end of riser, this bayonet lock mounting groove internal rotation is connected with the bayonet lock, the free end that the bolt passed the bayonet lock behind the draw-in groove of support shaft tip and the tank bottom threaded connection of bayonet lock mounting groove.
3. Advantageous effects
Adopt the technical scheme provided by the utility model, compare with existing well-known technique, have following beneficial effect:
(1) the utility model discloses an inside and outside welding seam calendering mechanism of heavy-calibre pipe, its simple structure, convenient operation, heavy-calibre pipe fore-and-aft direction is placed on two under bracing gyro wheels during the use, through upper and lower actuating mechanism control upper calendering gyro wheel push down to heavy-calibre pipe on, fill in the heavy-calibre pipe with the plug, and guarantee the positional relation of three calendering gyro wheels on the plug and an upper calendering gyro wheel and two under bracing gyro wheels, then make control shell and plug and heavy-calibre pipe along the relative motion of heavy-calibre pipe length direction through external equipment, and then accomplish the work of inside and outside welding seam calendering;
(2) the utility model discloses an inside and outside welding seam calendering mechanism of heavy-calibre pipe, its plug fore-and-aft direction sets up, and the plug is located and rolls between gyro wheel and the lower support gyro wheel, just has seted up gyro wheel mounting groove to the position department of lower support gyro wheel and upper support gyro wheel on the plug, all is equipped with the calendering gyro wheel that is used for rolling the inside weld of heavy-calibre pipe in each gyro wheel mounting groove, simple structure, it is convenient to connect, the inside weld of heavy-calibre pipe is rolled through the calendering gyro wheel on the plug, can avoid the inner wall of heavy-calibre pipe to be scratched;
(3) the utility model discloses an inside and outside weld joint calendering mechanism of heavy-calibre pipe, its upper and lower adjustment mechanism include the screw rod, the upper end of the screw rod sets firmly on the diaphragm of the lower die carrier, the lower extreme of the bolt is worn out from the bottom plate after the threaded connection has the adjusting nut on the screw rod; a nut stop block is arranged on one side of the adjusting nut and is fixed on a lower fixing plate of the shell through a bolt, the structure is simple, the connection is convenient, and the position of the lower die carrier is adjusted by screwing the adjusting nut;
(4) the utility model discloses an inside and outside welding seam calendering mechanism of heavy-calibre pipe, die carrier and lower die carrier all include the diaphragm and set firmly the riser at both ends about the diaphragm on it, set up the shaft hole that is used for installing the back shaft on the riser, the bayonet lock mounting groove has been seted up on the end of riser, this bayonet lock mounting groove internal rotation is connected with the bayonet lock, this bayonet lock bolt passes the free end of bayonet lock and the tank bottom threaded connection of bayonet lock mounting groove behind the draw-in groove of back shaft tip, moreover, the steam generator is simple in structure, convenient for connection, through the rotation of bayonet lock restriction back shaft.
Drawings
FIG. 1 is a side view of the rolling mechanism for the inner and outer weld joints of a large-diameter pipe according to the present invention;
FIG. 2 is a schematic view of the assembly of the inside and outside weld rolling mechanism of a large diameter pipe and the large diameter pipe of the present invention;
fig. 3 is a cross-sectional view of the rolling mechanism for the inner and outer welding seams of the large-diameter pipe in the direction of a-a of the utility model.
The reference numerals in the schematic drawings illustrate: 1. a core rod; 1-1, mounting a groove on a roller; 2. a large diameter pipe; 3. rolling the roller upwards; 4. a lower support roller; 5. a support shaft; 6. rolling rollers; 7. pressing the oil cylinder; 8-1, a transverse plate; 8-2, vertical plate; 8-3, a bayonet lock; 9-1, an upper fixing plate; 9-2, a lower fixing plate; 10. a connecting nut; 11. a fixed block; 12. an oil cylinder mounting plate; 13. a screw; 14. adjusting the nut; 15. a nut block; 16. and (4) processing space.
Detailed Description
For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings and examples.
Examples
With reference to fig. 1, 2 and 3, the rolling mechanism for the inner and outer weld joints of the large-diameter pipe of the present embodiment includes a housing and a mandrel 1 for being inserted into the large-diameter pipe, the housing is composed of an upper fixing plate 9-1, a lower fixing plate 9-2, a left side plate, a right side plate, a front side plate and a rear side plate, the front side plate and the rear side plate are provided with holes for the large-diameter pipe to pass through, a roller assembly for rolling the outer weld joint of the large-diameter pipe 2 is arranged in the housing, the roller assembly is composed of an upper rolling roller 3 and two lower supporting rollers 4 arranged in a front-rear direction, and a processing space for the large-diameter pipe 2 to pass through in a front-rear direction is formed between; the upper calendering roller 3 is arranged on an upper die carrier through a supporting shaft 5, wherein the upper calendering roller 3 is rotatably arranged on the supporting shaft 5, the upper die carrier is controlled by an upper and lower driving mechanism to move up and down, the upper and lower driving mechanism comprises a lower pressing oil cylinder 7, an oil cylinder mounting plate 12 and a connecting nut 10, the lower pressing oil cylinder 7 is fixed on the oil cylinder mounting plate 12, the oil cylinder mounting plate 12 is fixed on an upper fixing plate 9-1 of the shell, and the lower end of a piston rod of the lower pressing oil cylinder 7 penetrates through the oil cylinder mounting plate 12 and the upper fixing plate 9-1 and then is in threaded connection; the connecting nut 10 is fixedly connected with a transverse plate 8-1 of the upper die frame through a fixing block 11; the two lower support rollers 4 are both arranged on a lower die carrier through a support shaft 5, wherein the lower support rollers 4 are rotatably arranged on the support shaft 5, the lower die carrier is controlled by an upper and lower adjusting mechanism to move up and down, the upper and lower adjusting mechanism comprises a screw rod 13, the upper end of the screw rod 13 is fixedly arranged on a transverse plate 8-1 of the lower die carrier, the screw rod 13 is in threaded connection with an adjusting nut 14, and the lower end of the screw rod 13 penetrates out of a lower fixing plate 9-2 of the shell; a nut stop block 15 is arranged on one side of the adjusting nut 14, and the nut stop block 15 is fixed on the lower fixing plate 9-2 of the shell through a bolt; the upper die frame and the lower die frame respectively comprise a transverse plate 8-1 and vertical plates 8-2 fixedly arranged at the left end and the right end of the transverse plate 8-1, shaft holes for mounting a supporting shaft are formed in the vertical plates 8-2, a clamping pin mounting groove is formed in the tail end of each vertical plate 8-2, a clamping pin 8-3 is rotatably connected in the clamping pin mounting groove, a bolt penetrates through the free end of the clamping pin 8-3 after the clamping pin 8-3 is clamped in a clamping groove at the end part of the supporting shaft and is in threaded connection with the groove bottom of the clamping pin mounting groove, the structure is simple, the connection is convenient, and the; the mandrel 1 is arranged in the front-back direction, the mandrel 1 is positioned between an upper rolling roller 3 and a lower supporting roller 4, the end part of the mandrel 1 is provided with a threaded hole which is convenient for being connected with external equipment, when the mandrel is used, the inner and outer welding seam rolling mechanism of the large-diameter pipe is sleeved outside the large-diameter pipe, so that the large-diameter pipe is placed on the two lower supporting rollers in the front-back direction, the upper rolling roller is controlled by an upper driving mechanism to be pressed down onto the large-diameter pipe, the mandrel is plugged into the large-diameter pipe, then the outer shell, the mandrel and the large-diameter pipe are controlled to move relative to each other along the length direction of the large-diameter pipe by the external equipment, and the inner and outer welding seam rolling work is further completed; in addition, roller mounting grooves 1-1 are formed in positions, opposite to the lower support roller 4 and the upper rolling roller 3, of the mandrel 1, rolling rollers 6 used for rolling inner welding seams of the large-diameter pipe 2 are arranged in each roller mounting groove 1-1, the structure is simple, connection is convenient, the inner welding seams of the large-diameter pipe are rolled through the rolling rollers on the mandrel, and the inner wall of the large-diameter pipe can be prevented from being scratched.
The utility model discloses an inside and outside welding seam calendering mechanism of heavy-calibre pipe, simple structure, it is convenient to connect, can carry out the calendering simultaneously to the inside and outside welding seam of heavy-calibre pipe, and can avoid the inner wall of heavy-calibre pipe by the fish tail.
The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.
Claims (4)
1. The utility model provides a large-diameter pipe inside and outside welding seam calendering mechanism which characterized in that: the rolling device comprises a shell and a mandrel (1) which is used for being plugged into a large-diameter pipe, wherein a roller assembly used for rolling an outer welding seam of the large-diameter pipe (2) is arranged in the shell, the roller assembly consists of an upper rolling roller (3) and two lower supporting rollers (4) which are arranged in a front-back opposite mode, and a processing space (16) which is convenient for the large-diameter pipe (2) to pass through in the front-back direction is formed between the upper rolling roller (3) and the lower supporting rollers (4); the upper calendering roller (3) is arranged on an upper die frame through a support shaft (5), and the upper die frame is controlled by an upper and lower driving mechanism to move up and down; the two lower support rollers (4) are both arranged on a lower die carrier through a support shaft (5), and the lower die carrier is controlled by an up-down adjusting mechanism to move up and down; the mandrel (1) is arranged in the front-back direction, the mandrel (1) is located between the upper rolling roller (3) and the lower supporting roller (4), roller mounting grooves (1-1) are formed in the positions, right facing the lower supporting roller (4) and the upper rolling roller (3), of the mandrel (1), and rolling rollers (6) used for rolling inner welding seams of the large-diameter pipes (2) are arranged in each roller mounting groove (1-1).
2. The large-diameter pipe internal and external weld joint rolling mechanism according to claim 1, characterized in that: the up-down driving mechanism comprises a down-pressing oil cylinder (7), an oil cylinder mounting plate (12) and a connecting nut (10), the down-pressing oil cylinder (7) is fixed on the oil cylinder mounting plate (12), the oil cylinder mounting plate (12) is fixed on an upper fixing plate (9-1) of the shell, and the lower end of a piston rod of the down-pressing oil cylinder (7) penetrates through the oil cylinder mounting plate (12) and the upper fixing plate (9-1) and then is in threaded connection with the connecting nut (10); the connecting nut (10) is fixedly connected with a transverse plate (8-1) of the upper die frame through a fixing block (11).
3. The large-diameter pipe inner and outer weld joint rolling mechanism according to claim 2, characterized in that: the up-down adjusting mechanism comprises a screw rod (13), the upper end of the screw rod (13) is fixedly arranged on a transverse plate (8-1) of the lower die carrier, an adjusting nut (14) is connected to the screw rod (13) in a threaded manner, and the lower end of the screw rod (13) penetrates out of a lower fixing plate (9-2) of the shell; and a nut stop block (15) is arranged on one side of the adjusting nut (14), and the nut stop block (15) is fixed on the lower fixing plate (9-2) of the shell through a bolt.
4. The large-diameter pipe inner and outer weld joint rolling mechanism according to claim 3, characterized in that: the upper die frame and the lower die frame respectively comprise a transverse plate (8-1) and vertical plates (8-2) fixedly arranged at the left end and the right end of the transverse plate (8-1), shaft holes used for mounting a supporting shaft are formed in the vertical plates (8-2), a clamping pin mounting groove is formed in the tail end of each vertical plate (8-2), a clamping pin (8-3) is connected in the clamping pin mounting groove in a rotating mode, and a bolt penetrates through the free end of the clamping pin (8-3) to be in threaded connection with the groove bottom of the clamping pin mounting groove after the clamping pin (8-3) is clamped in a clamping groove in the end portion of the supporting shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920485756.8U CN209811621U (en) | 2019-04-11 | 2019-04-11 | Large-diameter pipe internal and external welding seam rolling mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920485756.8U CN209811621U (en) | 2019-04-11 | 2019-04-11 | Large-diameter pipe internal and external welding seam rolling mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209811621U true CN209811621U (en) | 2019-12-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920485756.8U Active CN209811621U (en) | 2019-04-11 | 2019-04-11 | Large-diameter pipe internal and external welding seam rolling mechanism |
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| CN (1) | CN209811621U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113102944A (en) * | 2021-03-30 | 2021-07-13 | 溧阳市嘉雄不锈钢设备有限公司 | Three-piece type roller for rolling weld joint |
| CN113829005A (en) * | 2021-08-30 | 2021-12-24 | 江苏圣珀新材料科技有限公司 | Processing technology of high-strength nickel-based alloy welded pipe |
-
2019
- 2019-04-11 CN CN201920485756.8U patent/CN209811621U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113102944A (en) * | 2021-03-30 | 2021-07-13 | 溧阳市嘉雄不锈钢设备有限公司 | Three-piece type roller for rolling weld joint |
| CN113102944B (en) * | 2021-03-30 | 2022-11-08 | 溧阳市嘉雄不锈钢设备有限公司 | Three-piece type roller for rolling weld joint |
| CN113829005A (en) * | 2021-08-30 | 2021-12-24 | 江苏圣珀新材料科技有限公司 | Processing technology of high-strength nickel-based alloy welded pipe |
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