CN211638861U - Barrel rotating device for welding - Google Patents
Barrel rotating device for welding Download PDFInfo
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- CN211638861U CN211638861U CN201922133185.4U CN201922133185U CN211638861U CN 211638861 U CN211638861 U CN 211638861U CN 201922133185 U CN201922133185 U CN 201922133185U CN 211638861 U CN211638861 U CN 211638861U
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- barrel
- supporting roller
- seat
- roller
- welding
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Abstract
The utility model relates to the field of welding auxiliary equipment, and discloses a welding barrel rotating device, which comprises a base and a supporting seat, wherein the supporting seat comprises a fixed seat positioned on the upper surface of the base and a moving seat which can be close to or far away from the fixed seat, the moving of the moving seat is controlled by a first driving mechanism, the fixed seat and the moving seat are provided with a self-centering rotating mechanism which is used for placing two ends of the barrel and driving the barrel to rotate, the self-centering rotating mechanism comprises a main supporting roller and a secondary supporting roller which are horizontally arranged on the fixed seat at intervals, a first servo motor which drives the main supporting roller to rotate and an auxiliary supporting roller which is arranged on the moving seat and respectively corresponds to the main supporting roller and the secondary supporting roller which are arranged from the supporting roller, the fixed seat and the moving seat are provided with an orientation limiting mechanism which can avoid the barrel from generating non-orientation, and the center of the barrel remains constant throughout rotation.
Description
Technical Field
The utility model relates to a welding auxiliary assembly field especially relates to a barrel rotating device is used in welding.
Background
The barrel is the important part of extruder, it generally works with the screw rod cooperation, the barrel is cylindricly, its cross sectional shape is a ring form, the tip of barrel generally needs the welding end cap, it welds for the manual work commonly used, in order to reduce intensity of labour and manpower output, partial production line has adopted semi-automatization welding to replace manual welding, combine machine and manual work upset barrel to weld promptly, because the barrel is big again and heavy, still need consume great manpower, and because operating personnel need touch the barrel all the time, very easily take place danger in the machine welding process.
Chinese patent No. CN104551464B discloses a robot welding station for oil cylinders, which includes a six-degree-of-freedom welding robot, a cylinder supporting and positioning table, and a three-degree-of-freedom rectangular coordinate servo oil cylinder upper and lower mechanical hand, wherein the cylinder supporting and positioning table includes a left sliding plate and a right sliding plate on a frame, the left sliding plate is provided with a positioning device, the rear side of the left sliding plate is provided with a pneumatic mechanical hand and a cylinder rotation driving roller mechanism, a reference positioning plate, a V-shaped supporting block, a centering shaft, two transverse charging trays and an axial charging bin are arranged between the left sliding plate and the right sliding plate, a centering sleeve is arranged above the centering shaft, a positioning block is arranged below the centering sleeve, and the right sliding plate is provided with a cylinder bottom welding block axial positioning cylinder.
The welding of the oil cylinder can be realized through the structure, and the welding of the machine cylinder plug can also be realized by adopting the workstation of the invention because the oil cylinder and the machine cylinder are both cylindrical in shape, but the structure is too complex, so that the manufacturing cost of the whole workstation is too high.
The existing rotating devices with simple structures are difficult to ensure that the center of the machine barrel is always kept unchanged in the rotating process, and once the center of the machine barrel is changed, the machine barrel can eccentrically rotate, so that the welding precision can be greatly reduced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to the shortcoming that the device structure of prior art rotation barrel is complicated, provide a welding and use barrel rotating device, the device can ensure that the barrel remains the center unchanged at the rotation in-process all the time, ensures welded precision to simple structure effectively reduces the cost.
In order to solve the technical problem, the utility model discloses a following technical scheme can solve:
a welding machine barrel rotating device comprises a base and a supporting seat which is positioned on the upper surface of the base and used for supporting a machine barrel, wherein the supporting seat comprises a fixed seat which is positioned on the upper surface of the base and a moving seat which can be close to or far away from the fixed seat, the moving of the moving seat is controlled by a first driving mechanism, self-centering rotating mechanisms which are used for placing two ends of the machine barrel and driving the machine barrel to rotate are arranged on the fixed seat and the moving seat, each self-centering rotating mechanism comprises a main supporting roller and a secondary supporting roller which are horizontally arranged on the fixed seat at intervals, a first servo motor driving the main supporting roller to rotate and an auxiliary supporting roller which is arranged on the moving seat and respectively corresponds to the main supporting roller and the secondary supporting roller, a V-shaped space which is used for supporting the end part of the, and the fixed seat and the movable seat are provided with directional limiting mechanisms for preventing the machine barrel from generating non-directional movement in the rotating process.
By adopting the scheme, the machine barrel is cylindrical and has a certain length, a supporting mechanism and a rotating mechanism are required to be arranged for realizing the autorotation of the machine barrel in the prior art, the supporting mechanism is used for supporting the machine barrel to enable the machine barrel to always keep horizontal rotation, the V-shaped space formed by the main supporting roller and the auxiliary supporting roller on the fixed seat in the self-centering rotating mechanism is used for supporting two ends of the machine barrel, the autorotation of the machine barrel is realized under the driving of the first servo motor, the V-shaped space is arranged to ensure that the center position of the machine barrel is unchanged in the autorotation process of the machine barrel, the machine barrel can generate non-directional play in the autorotation process due to the production error of the machine barrel, so that the welding precision of the mechanical arm is influenced, the non-directional play is changed into the directional play through the directional limiting mechanism and the directional play is limited, so that the machine barrel always keeps the state, therefore, the welding precision is improved, the cylinder rotating device for welding drives the cylinders with different lengths to stably rotate horizontally through a simple structure, and the center of the cylinder is always kept unchanged in rotation.
Preferably, the orientation limiting mechanism includes a baffle plate vertically and upwardly disposed on a side of the movable seat away from the fixed seat, and a guide screw thread inclined in a direction of the baffle plate and disposed on an outer circumferential surface of the main support roller and an outer circumferential surface of the auxiliary support roller, and when the first servo motor rotates, the cylinder always abuts against the baffle plate to rotate.
By adopting the scheme, the guide threads are obliquely arranged towards the direction of the baffle, so that the machine barrel can only move along the oblique direction of the guide threads, the non-directional movement is changed into the directional movement towards the baffle, the baffle can effectively limit the movement of the machine barrel, the movement of the machine barrel is avoided, and the machine barrel can stably rotate.
Preferably, the side of the baffle close to the support roller is provided with a plurality of universal balls at regular intervals, and the inner wall of the machine barrel at least touches any one of the universal balls.
Adopt above-mentioned scheme, the setting up of universal ball mainly used becomes rolling friction with the removal friction between barrel and the baffle, promotes barrel pivoted smoothness nature, and universal ball needs and the inner wall cooperation of barrel, sets up the barrel that a plurality of universal balls can be suitable for different diameters, makes the barrel of different diameters touch rather than one of them universal ball at least at the rotation in-process.
Preferably, the auxiliary supporting rollers and the auxiliary supporting rollers are horizontally arranged at intervals correspondingly, and a second driving mechanism for driving all the auxiliary supporting rollers to synchronously rotate is arranged on one side, close to the movable seat, of the fixed seat.
By adopting the scheme, the plurality of barrels can be synchronously rotated from the supporting roll and the auxiliary supporting roll, so that the rotation of the barrels with the same diameter or different diameters but the same length can be simultaneously realized, the synchronous welding of the plurality of barrels and the plugs can be realized by matching the plurality of mechanical arms, and the welding efficiency is effectively improved.
Preferably, the second driving mechanism includes a plurality of synchronizing rollers coaxial with the main supporting roller and the sub supporting roller, a driving roller disposed below the main supporting roller, a timing belt between the driving roller and the synchronizing rollers, and a tensioning mechanism for tensioning the timing belt, and rotation of the driving roller is controlled by the first servo motor.
By adopting the scheme, only one servo motor is needed to drive the driving roller to rotate, and the synchronous belt drives all the synchronous rollers to rotate, so that the main supporting roller and the auxiliary supporting roller rotate synchronously, the machine barrel rotates synchronously along with the main supporting roller and the auxiliary supporting roller rotates synchronously along with the auxiliary supporting roller.
Preferably, an auxiliary roller for preventing the synchronous belt from slipping is arranged between the synchronous rollers, the auxiliary roller is positioned above or below the center of the adjacent driving roller, and the synchronous belt sequentially bypasses the driving roller and the auxiliary roller and is tensioned by a tensioning mechanism.
By adopting the scheme, only the synchronous roller is arranged, the contact surface between the synchronous roller positioned in the middle and the synchronous belt is small, the synchronous roller is easy to slip, so that the part can not rotate from the supporting roller, the welding of a machine barrel is influenced, and after the auxiliary roller is additionally arranged, because the auxiliary roller and the synchronous roller are not at the same horizontal position, the synchronous belt is in contact with each synchronous roller under the tensioning of the tensioning mechanism after bypassing the synchronous roller and the auxiliary roller, so that the slip from the supporting roller is avoided.
Preferably, the baffle is provided with a plurality of blocks and is respectively arranged between the V-shaped intervals of the adjacent auxiliary supporting rollers.
By adopting the scheme, the machine barrel is positioned between the V-shaped intervals, so that the baffle only needs to be arranged between the V-shaped intervals, and the material consumption of the baffle can be reduced.
Preferably, the first driving mechanism comprises a lead screw, a second servo motor, a lead screw nut and a limiting guide mechanism, wherein the lead screw is arranged in the base along the axial direction of the machine barrel and is rotationally connected with the two ends of the base, one end of the lead screw is provided with the second servo motor for driving the lead screw to rotate, the lower end of the movable base is fixed with the lead screw nut matched with the lead screw, the movable base is prevented from rotating synchronously along with the lead screw, and the limiting guide mechanism comprises a guide rail and a sliding block, wherein the upper end face of the base is arranged along the axial direction of the machine barrel in a parallel extending mode, and.
Adopt above-mentioned scheme, the position that adopts lead screw and screw nut's cooperation can the accurate removal to be suitable for the welding of the barrel of different length and end cap, the validity that orienting mechanism can also be ensured owing to the precision height in lead screw and screw nut's cooperation, spacing guiding mechanism's setting can avoid removing the seat and move along the circumference of barrel, thereby ensures to remove the seat and remove along the axial of barrel all the time.
The utility model discloses owing to adopted above technical scheme, have following technological effect: the V-shaped space formed by the main supporting roller and the auxiliary supporting roller on the fixing seat in the self-centering rotating mechanism and the V-shaped space formed between the auxiliary supporting rollers are used for supporting two ends of the machine barrel, the machine barrel is driven by the first servo motor to rotate, and the center position of the machine barrel is ensured to be unchanged by the V-shaped space in the process of rotating the machine barrel; the non-directional play which may occur to the machine barrel is changed into the directional play through the directional limiting mechanism, and the directional play is limited through the baffle plate finally, so that the machine barrel is always kept in a state of unchanging the center, the welding precision of the machine barrel is improved.
Drawings
Fig. 1-3 are isometric views of a welding barrel rotating apparatus of the present invention;
fig. 4 is a front view of an isometric view of a welding barrel rotating device of the present invention;
FIG. 5 is an enlarged view of A in FIG. 1;
FIG. 6 is an enlarged view of B in FIG. 1;
fig. 7 is an enlarged view of C in fig. 3.
The names of the parts indicated by the numerical references in the above figures are as follows: 1. a base; 2. a guide rail; 3. a fixed seat; 4. a movable seat; 5. a main support roller; 6. a slave backing roll; 7. an auxiliary support roller; 8. a guide thread; 9. a first servo motor; 10. a drive roll; 11. a synchronizing roller; 12. an auxiliary roller; 13. a synchronous belt; 14. a lead screw; 15. a baffle plate; 16. a second servo motor; 17. a mounting seat; 18. mounting blocks; 19. a stud; 20. a tension wheel; 21. a slider; 22. a universal ball.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Examples
The utility model provides a welding is with barrel rotating device, includes base 1 and the supporting seat that is located 1 upper surface of base and is used for supporting the barrel, and the supporting seat is including the fixing base 3 that is located 1 upper surface of base and the removal seat 4 that can be close or keep away from fixing base 3, and the removal of removing seat 4 is controlled by first actuating mechanism, is provided with the self-centering rotary mechanism who is used for placing the both ends of barrel and orders about the barrel rotation on fixing base 3 and the removal seat 4.
The self-centering rotating mechanism comprises a main supporting roller 5, a secondary supporting roller 6, a first servo motor 9 and an auxiliary supporting roller 7, wherein the main supporting roller 5 and the secondary supporting roller 6 are horizontally arranged on a fixed seat 3 at intervals, the first servo motor 9 drives the main supporting roller 5 to rotate, the auxiliary supporting roller 7 is arranged on a moving seat 4 and corresponds to the main supporting roller 5 and the secondary supporting roller 6 respectively, a V-shaped interval for supporting the end part of the machine barrel and positioning the center of the machine barrel is formed between the main supporting roller 5 and the secondary supporting roller 6 as well as between the secondary supporting roller 7 and the secondary supporting roller 6, and a directional limiting mechanism for preventing the machine barrel from generating.
The orientation limiting mechanism comprises a baffle plate 15 which is vertically and upwards arranged on one side, far away from the fixed seat 3, of the moving seat 4, a main supporting roller 5, guide threads 8 which are arranged on the outer annular surfaces of the supporting roller 6 and the auxiliary supporting roller 7 and incline towards the direction of the baffle plate 15, a plurality of universal balls 22 are uniformly arranged on one side, close to the supporting roller 6, of the baffle plate 15 at intervals, the inner wall of the machine barrel at least touches any one universal ball 22, and when the first servo motor 9 rotates, the machine barrel always abuts against the baffle plate 15 to rotate.
The first driving mechanism comprises a lead screw 14 which is arranged in the base 1 along the axial extension of the machine barrel and is rotationally connected with the two ends of the base 1, a second servo motor 16 which is arranged at one end of the lead screw 14 and drives the lead screw 14 to rotate, a lead screw 14 nut which is fixed at the lower end of the moving seat 4 and is matched with the lead screw 14, and a limiting guide mechanism which avoids the moving seat 4 from synchronously rotating along with the lead screw 14, wherein the limiting guide mechanism comprises a guide rail 2 which is arranged on the upper end surface of the base 1 along the axial parallel extension of the machine barrel, and sliding blocks 21 which are arranged at the two ends of the bottom of the moving seat 4 and are embedded with the guide rail 2 and in sliding fit, the cross section of the guide rail 2 is preferably T-shaped.
In order to improve the welding efficiency, a plurality of secondary support rollers 6 and 7 are horizontally arranged at intervals, a second driving mechanism for driving all the secondary support rollers 6 to synchronously rotate is arranged on one side of the fixed seat 3 close to the movable seat 4, the second driving mechanism comprises a plurality of synchronous rollers 11 coaxial with the primary support roller 5 and the secondary support rollers 6, a driving roller 10 arranged below the primary support roller 5, a synchronous belt 13 positioned between the driving roller 10 and the synchronous rollers 11 and a tensioning mechanism for tensioning the synchronous belt 13, and the rotation of the driving roller 10 is controlled by a first servo motor 9.
In order to avoid the slip of the synchronous rollers 11, an auxiliary roller 12 for avoiding the slip of the synchronous belt 13 is arranged between the synchronous rollers 11, the auxiliary roller 12 is positioned above or below the center of the adjacent driving roller 10, and the synchronous belt 13 is tensioned by a tensioning mechanism after sequentially passing around the driving roller 10 and the auxiliary roller 12. The tensioning mechanism comprises a mounting seat 17 fixed on the base 1 and a tensioning wheel 20 rotatably arranged on the mounting seat 17, a synchronous belt 13 sequentially passes through a driving roller 10, a synchronous roller 11, an auxiliary roller 12 and the tensioning wheel 20, a thrust mechanism which enables a tension pulley 20 to tension the synchronous belt 13 by moving the mounting seat 17 is arranged on the mounting seat 17, the thrust mechanism comprises a moving groove which is arranged on the base 1 and is positioned below the synchronous belt 13 and extends along the distribution direction of the main supporting roller 5, a sliding block which is arranged at the bottom of the mounting seat 17 and is inserted into the moving groove to be in sliding fit with the moving groove, a mounting block 18 which is fixed at one end of the moving groove and a stud 19 which is spirally connected with the mounting block 18, one end of the stud 19 which is close to the moving seat 4 is rotatably connected with the moving seat 4 through a bearing, the movable base 4 can be moved back and forth by rotating the stud 19, thereby adjusting the tightness of the timing belt 13.
The self-centering rotating mechanism is characterized in that a V-shaped interval formed by a main supporting roller 5 and a secondary supporting roller 6 on a fixed seat 3 and a V-shaped interval formed between auxiliary supporting rollers 7 are used for supporting two ends of a machine barrel, the machine barrel rotates under the driving of a first servo motor 9, and the center position of the machine barrel is ensured to be unchanged by the arrangement of the V-shaped interval in the process of the machine barrel rotating; and the non-directional play which may occur to the machine barrel is changed into the directional play through the directional limiting mechanism, and the directional play is limited finally through the baffle 15, so that the machine barrel is always kept in a state of unchanging the center, the welding precision of the machine barrel is improved, the machine barrel rotating device for welding realizes driving the machine barrels with different lengths to stably rotate horizontally through a simple structure, and the center of the machine barrel is always kept unchanged in the rotation.
Claims (8)
1. The utility model provides a barrel rotating device is used in welding, includes base (1) and is located base (1) upper surface and is used for supporting the supporting seat of barrel, its characterized in that: the supporting seat comprises a fixed seat (3) positioned on the upper surface of the base (1) and a movable seat (4) which can be close to or far away from the fixed seat (3), the movement of the movable seat (4) is controlled by a first driving mechanism, self-centering rotating mechanisms for placing two ends of the machine barrel and driving the machine barrel to rotate are arranged on the fixed seat (3) and the movable seat (4), each self-centering rotating mechanism comprises a main supporting roller (5) and a secondary supporting roller (6) which are horizontally arranged on the fixed seat (3) at intervals, a first servo motor (9) driving the main supporting roller (5) to rotate and an auxiliary supporting roller (7) which is arranged on the movable seat (4) and respectively corresponds to the main supporting roller (5) and the secondary supporting roller (6), a V-shaped space for supporting the end part of the machine barrel and positioning the center of the machine barrel is formed between the main supporting roller (5) and the secondary supporting roller (6) and, and a directional limiting mechanism for preventing the machine barrel from generating non-directional movement in the rotating process is arranged on the fixed seat (3) and the movable seat (4).
2. A welding barrel rotating device as defined in claim 1, wherein: the orientation limiting mechanism comprises a baffle (15) which is vertically and upwards arranged on one side, away from the fixed seat (3), of the moving seat (4), and guide threads (8) which are arranged on the outer ring surfaces of the main supporting roller (5) and the auxiliary supporting roller (7) and incline towards the baffle (15), wherein when the first servo motor (9) rotates, the machine barrel is always abutted against the baffle (15) to rotate.
3. A barrel turning device for welding as set forth in claim 2, wherein: a plurality of universal balls (22) are uniformly arranged on one side of the baffle (15) close to the supporting roller (6) at intervals, and the inner wall of the machine barrel at least touches any one of the universal balls (22).
4. A barrel turning device for welding as set forth in claim 3, wherein: a plurality of auxiliary supporting rollers (6) and a plurality of auxiliary supporting rollers (7) are horizontally arranged at intervals and correspondingly, and a second driving mechanism for driving all the auxiliary supporting rollers (6) to synchronously rotate is arranged on one side of the fixed seat (3) close to the movable seat (4).
5. A welding barrel rotating device as defined in claim 4, wherein: the second driving mechanism comprises a plurality of synchronous rollers (11) coaxial with the main supporting roller (5) and the auxiliary supporting roller (6), a driving roller (10) arranged below the main supporting roller (5), a synchronous belt (13) positioned between the driving roller (10) and the synchronous rollers (11) and a tensioning mechanism used for tensioning the synchronous belt (13), and the rotation of the driving roller (10) is controlled by a first servo motor (9).
6. A barrel turning device for welding as set forth in claim 5, wherein: an auxiliary supporting roller (7) for avoiding the slip of the synchronous belt (13) is arranged between the synchronous rollers (11), the auxiliary supporting roller (7) is positioned above or below the center of the adjacent driving roller (10), and the synchronous belt (13) is tensioned by a tensioning mechanism after sequentially bypassing the driving roller (10) and the auxiliary supporting roller (7).
7. A welding barrel rotating device as defined in claim 4, wherein: the baffle plates (15) are provided with a plurality of blocks and are respectively arranged between the V-shaped intervals of the adjacent auxiliary supporting rollers (7).
8. A welding barrel rotating device as defined in claim 1, wherein: the first driving mechanism comprises a lead screw (14) which is arranged in the base (1) along the axial extension of the machine barrel and is rotationally connected with the two ends of the base (1), a second servo motor (16) which is arranged at one end of the lead screw (14) and drives the lead screw (14) to rotate, a lead screw nut which is fixed at the lower end of the moving seat (4) and is matched with the lead screw (14), and a limiting guide mechanism which avoids the moving seat (4) to synchronously rotate along with the lead screw (14), wherein the limiting guide mechanism comprises a guide rail (2) which is arranged on the upper end surface of the base (1) along the axial parallel extension of the machine barrel, and a sliding block (21) which is arranged at the two ends of the bottom of the moving seat (4) and is in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922133185.4U CN211638861U (en) | 2019-12-03 | 2019-12-03 | Barrel rotating device for welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922133185.4U CN211638861U (en) | 2019-12-03 | 2019-12-03 | Barrel rotating device for welding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211638861U true CN211638861U (en) | 2020-10-09 |
Family
ID=72694291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922133185.4U Active CN211638861U (en) | 2019-12-03 | 2019-12-03 | Barrel rotating device for welding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211638861U (en) |
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2019
- 2019-12-03 CN CN201922133185.4U patent/CN211638861U/en active Active
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