CN215469273U - Workpiece turning-over robot for assisting welding operation - Google Patents
Workpiece turning-over robot for assisting welding operation Download PDFInfo
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- CN215469273U CN215469273U CN202121349629.9U CN202121349629U CN215469273U CN 215469273 U CN215469273 U CN 215469273U CN 202121349629 U CN202121349629 U CN 202121349629U CN 215469273 U CN215469273 U CN 215469273U
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Abstract
The utility model discloses a workpiece turning-over robot for assisting welding operation, which relates to the technical field of workpiece turning-over, and comprises a device body, a base and a connecting plate, and is characterized in that: the device is characterized by further comprising a clamping mechanism for clamping the workpiece in the overturning process to prevent the workpiece from falling, a fixing mechanism for positioning the device to prevent the device from displacing, and an overturning mechanism for overturning the workpiece, wherein the bottom end of the device body is provided with a base, and four corner positions at the bottom end of the base are provided with universal wheels. According to the utility model, the driving motor works to drive the second threaded rod to rotate, so that the threaded sleeve moves upwards, the mechanical arm is driven to move upwards, then the servo motor works to drive the transmission chain to transmit, the rotating rod is driven to rotate through the transmission chain, and the connecting plate is driven to rotate, so that a workpiece clamped on the connecting plate is turned over under the condition that the vertical position is unchanged, and the welding error is reduced.
Description
Technical Field
The utility model relates to the technical field of workpiece turning, in particular to a workpiece turning robot for assisting welding operation.
Background
After the welding of the single side of a large flat workpiece on a welding conveying line is finished, the welding needs to be carried out on the back side, the traditional process is that a crane is used for hoisting the workpiece to turn over in the air or an electromagnetic lifting appliance is used for hoisting the workpiece to a turnover platform to turn over, the mode is too complicated, the operation on an automatic production line is not facilitated, the working efficiency can be reduced, the workpiece can be turned over without being off the line, personnel do not need to participate in hoisting the workpiece, and the central position of the workpiece is always kept at the center of the conveying line.
Through retrieval, the prior art (201922324457.9) provides a bridge crane with a workpiece turning function, and the bridge crane with the workpiece turning function comprises two main beams, two end beams, a first electric hoist, a second electric hoist and a main electric hoist, and is characterized in that the first electric hoist and the second electric hoist respectively run on the bottom side surfaces of the two end beams, so that the device has too large action amplitude during workpiece turning and cannot accurately return to the original position after turning.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a workpiece turnover robot for assisting welding operation, which aims to solve the problem that the workpiece cannot be accurately returned to the original position after being turned over in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: a workpiece turnover robot for assisting welding operation comprises a device body, a base, a connecting plate, a clamping mechanism for clamping a workpiece to prevent the workpiece from falling off in turnover, a fixing mechanism for positioning the device to prevent the device from displacing, and a turnover mechanism for turnover the workpiece;
the bottom end of the device body is provided with a base, four corners of the bottom end of the base are provided with universal wheels, and the fixing mechanism is arranged in the base;
the clamping device comprises a device body, and is characterized in that a control panel is installed on one side of the device body, a working cavity is formed in the device body, a second threaded rod is rotatably installed at the bottom end of the working cavity through a bearing, an installation block is installed at the top end of the working cavity, a driving motor is connected to the bottom end of the installation block, the output end of the driving motor is connected with one end of the second threaded rod, a threaded sleeve is connected to the outer side of the second threaded rod through threads, an mechanical arm is installed at one end of the threaded sleeve, the mechanical arm extends to the outer side of the device body, a first sliding groove is formed in one side, close to the mechanical arm, of the device body, a connecting plate is connected to one side of the mechanical arm through a bearing, a fixed pressing block is installed at the bottom end of one side of the connecting plate, and the clamping mechanism is arranged at the top end of one side of the connecting plate;
the turnover mechanism is arranged on one side of the mechanical arm, which is far away from the connecting plate.
Preferably, tilting mechanism includes servo motor, servo motor installs in the inside of arm, and servo motor's output extends the arm and keeps away from one side of connecting plate, servo motor's output meshing is connected with drive chain, the inside position department that corresponds the connecting plate of arm runs through and is provided with the bull stick, and the one end connecting plate of bull stick connects to the other end of bull stick is connected with drive chain.
Preferably, the central axis of the rotating rod is the same as the central axis of a bearing for connecting the connecting plate and the mechanical arm, the diameter of the rotating rod is smaller than that of the bearing for connecting the connecting plate and the mechanical arm, and the transmission chain and the rotating rod form a transmission structure.
Preferably, the fixing mechanism comprises a rocker, a transmission rod, a first helical gear, a second helical gear and a first screw rod, the transmission rod is mounted at two ends of the base through bearings, one end of the transmission rod extends to the outer side of the base, the transmission rod is connected with the rocker, the first helical gear is sleeved on the outer side of the transmission rod, the bottom end inside the base is connected with the first screw rod through the bearings, the second helical gear is mounted at the top end of the first screw rod, the outer side of the first screw rod is connected with the friction frame through threads, and the friction frame penetrates through the bottom end of the base.
Preferably, the first helical gear and the second helical gear form a transmission structure, the friction frame is U-shaped, and the bottom end of the friction frame is made of rubber material.
Preferably, fixture includes pneumatic cylinder, reset spring, activity briquetting and second spout, the pneumatic cylinder is installed in fixed briquetting's bottom, and the output of pneumatic cylinder passes fixed briquetting's top, and the output of pneumatic cylinder is connected with movable briquetting, the second spout has been seted up to one side that the connecting plate is close to fixed briquetting, the good relative one side of fixed briquetting of activity briquetting is connected with reset spring.
Preferably, one end of the movable pressing block extends to the inside of the second sliding groove, the movable pressing block and the second sliding groove form a sliding structure, and the movable pressing block and the fixed pressing block are both U-shaped.
Compared with the related art, the workpiece turnover robot for assisting welding operation provided by the utility model has the following beneficial effects:
1. the utility model provides a transmission chain, a rotating rod and a servo motor, wherein a driving motor is used for driving a second threaded rod to rotate, so that a threaded sleeve is moved upwards, a mechanical arm is further driven to move upwards, then the servo motor works to drive the transmission chain to transmit, the rotating rod is driven to rotate through the transmission chain, a connecting plate is driven to rotate, a workpiece held on the connecting plate is turned over under the condition that the vertical position of the workpiece is unchanged, and welding errors are reduced;
2. the utility model provides a fixing mechanism, a transmission rod is driven to rotate by rotating a rocker, so that a first helical gear is driven to rotate, and a second helical gear is meshed with the first helical gear, so that a first screw rod rotates, a friction frame descends, the friction frame contacts the ground, the friction force between a device and the ground is increased, and the device is effectively prevented from deviating during operation to influence the welding accuracy;
3. the clamping mechanism provided by the utility model has the advantages that when a workpiece is conveyed to the upper part of the fixed pressing block, the pneumatic cylinder is enabled to work through an instruction transmitted by the control panel, the movable pressing block is driven to descend, the movable pressing block and the fixed pressing block are matched to extrude the workpiece, then the ascending and overturning work is executed, the workpiece can be effectively prevented from deviating or falling in the overturning process, the workpiece is protected, and the practical performance of the device is improved.
Drawings
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic top view of a robotic arm according to the present invention;
FIG. 4 is an enlarged view of the clamping mechanism of the present invention;
fig. 5 is an enlarged structural schematic view of the fixing mechanism of the present invention.
In the figure: 1. a device body; 2. a first chute; 3. a mechanical arm; 4. a base; 5. a universal wheel; 6. a fixing mechanism; 601. a rocker; 602. a transmission rod; 603. a first helical gear; 604. a second helical gear; 605. a first screw; 606. a friction frame; 7. a working chamber; 8. a threaded sleeve; 9. a second threaded rod; 10. a drive motor; 11. mounting blocks; 13. a drive chain; 14. a rotating rod; 16. a clamping mechanism; 1601. a pneumatic cylinder; 1602. a return spring; 1603. a movable pressing block; 1604. a second chute; 17. a control panel; 18. a connecting plate; 19. fixing a pressing block; 20. a servo motor.
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; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1: referring to fig. 1-5, a workpiece turning robot for assisting welding operation comprises a device body 1, a base 4 and a connecting plate 18, and is characterized in that: the device also comprises a clamping mechanism 16 for clamping the workpiece to prevent the workpiece from falling off in the overturning process, a fixing mechanism 6 for positioning the device to prevent the device from displacing, and an overturning mechanism for overturning the workpiece;
the bottom end of the device body 1 is provided with a base 4, four corner positions of the bottom end of the base 4 are provided with universal wheels 5, and a fixing mechanism 6 is arranged inside the base 4;
a control panel 17 is installed on one side of a device body 1, a working chamber 7 is formed in the device body 1, a second threaded rod 9 is rotatably installed at the bottom end of the working chamber 7 through a bearing, an installation block 11 is installed at the top end of the working chamber 7, a driving motor 10 is connected to the bottom end of the installation block 11, the output end of the driving motor 10 is connected with one end of the second threaded rod 9, a threaded sleeve 8 is connected to the outer side of the second threaded rod 9 through threads, a mechanical arm 3 is installed at one end of the threaded sleeve 8, the mechanical arm 3 extends to the outer side of the device body 1, a first sliding chute 2 is formed in one side, close to the mechanical arm 3, of the device body 1, a connecting plate 18 is connected to one side of the mechanical arm 3 through a bearing, a fixed pressing block 19 is installed at the bottom end of one side of the connecting plate 18, and a clamping mechanism 16 is arranged at the top end of one side of the connecting plate 18;
the turnover mechanism is arranged on one side of the mechanical arm 3 far away from the connecting plate 18;
referring to fig. 1-5, the workpiece turning-over robot for assisting welding operation further comprises a turning mechanism, the turning mechanism comprises a servo motor 20, the servo motor 20 is installed inside the mechanical arm 3, the output end of the servo motor 20 extends out of one side of the mechanical arm 3 away from the connecting plate 18, the output end of the servo motor 20 is connected with a transmission chain 13 in a meshing manner, a rotating rod 14 penetrates through the position, corresponding to the connecting plate 18, inside the mechanical arm 3, one end of the rotating rod 14 is connected with the connecting plate 18, and the other end of the rotating rod 14 is connected with the transmission chain 13;
the central axis of the rotating rod 14 is the same as the central axis of a bearing for connecting the connecting plate 18 and the mechanical arm 3, the diameter of the rotating rod 14 is smaller than that of the bearing for connecting the connecting plate 18 and the mechanical arm 3, and the transmission chain 13 and the rotating rod 14 form a transmission structure;
specifically, as shown in fig. 1, fig. 2 and fig. 3, the second threaded rod 9 is driven to rotate by the work of the driving motor 10, so that the threaded sleeve 8 moves upwards, the mechanical arm 3 is driven to move upwards, the servo motor 20 works to drive the transmission chain 13 to rotate, the rotating rod 14 is driven to rotate through the transmission chain 13, the connecting plate 18 is driven to rotate, the workpiece held on the connecting plate 18 is overturned under the condition that the vertical position is unchanged, and the welding error is reduced.
Example 2: the fixing mechanism 6 comprises a rocker 601, a transmission rod 602, a first bevel gear 603, a second bevel gear 604 and a first screw 605, the transmission rod 602 is mounted at two ends of the base 4 through bearings, one end of the transmission rod 602 extends to the outer side of the base 4, the transmission rod 602 is connected with the rocker 601, the first bevel gear 603 is sleeved on the outer side of the transmission rod 602, the bottom end inside the base 4 is connected with the first screw 605 through a bearing, the top end of the first screw 605 is mounted with the second bevel gear 604, the outer side of the first screw 605 is connected with a friction frame 606 through threads, and the friction frame 606 penetrates through the bottom end of the base 4;
the first bevel gear 603 and the second bevel gear 604 form a transmission structure, the friction frame 606 is U-shaped, and the bottom end of the friction frame 606 is made of rubber material;
specifically, as shown in fig. 1, 2 and 5, the rocker 601 is rotated to drive the transmission rod 602 to rotate, so as to drive the first bevel gear 603 to rotate, and the second bevel gear 604 is engaged with the first bevel gear 603, so as to rotate the first screw 605, so as to lower the friction frame 606, so that the friction frame 606 contacts the ground, thereby increasing the friction force between the device and the ground, and further effectively preventing the device from shifting during operation and affecting the welding accuracy.
Example 3: the clamping mechanism 16 comprises a pneumatic cylinder 1601, a reset spring 1602, a movable pressing block 1603 and a second sliding chute 1604, the pneumatic cylinder 1601 is installed at the bottom end of the fixed pressing block 19, the output end of the pneumatic cylinder 1601 penetrates through the top end of the fixed pressing block 19, the output end of the pneumatic cylinder 1601 is connected with the movable pressing block 1603, the second sliding chute 1604 is formed in one side, close to the fixed pressing block 19, of the connecting plate 18, and the reset spring 1602 is connected to one side, opposite to the fixed pressing block 19, of the movable pressing block 1603;
one end of the movable pressing block 1603 extends to the inside of the second sliding groove 1604, the movable pressing block 1603 and the second sliding groove 1604 form a sliding structure, and the movable pressing block 1603 and the fixed pressing block 19 are both U-shaped.
Specifically, as shown in fig. 1, 2 and 4, when the workpiece is conveyed to the upper side of the fixed pressing block 19, the pneumatic cylinder 1601 is operated by an instruction transmitted by the control panel 17 to drive the movable pressing block 1603 to descend, so that the movable pressing block 1603 is matched with the fixed pressing block 19 to extrude the workpiece, and then ascending and overturning operations are performed, so that the workpiece can be effectively prevented from deviating or falling in the overturning process, the workpiece is protected, and the practicability of the device is improved.
The working principle is as follows: when the device is used, the device is firstly moved to a work production line;
the first innovation point implementation step:
the first step is as follows: the rocker 601 is rotated to drive the transmission rod 602 to rotate, so as to drive the first bevel gear 603 to rotate;
the second step is that: through the meshing connection of the second bevel gear 604 and the first bevel gear 603, the first screw 605 rotates, so that the friction frame 606 descends, the friction frame 606 contacts the ground, the friction force between the device and the ground is increased, and the device is effectively prevented from deviating during operation to affect the welding accuracy.
Starting the device;
the implementation step of the second innovation point:
the first step is as follows: when the workpiece is conveyed to the position above the fixed pressing block 19, the pneumatic cylinder 1601 works to drive the movable pressing block 1603 to descend by the instruction transmitted by the control panel 17;
the second step is that: the movable pressing block 1603 and the fixed pressing block 19 are matched to extrude the workpiece, then ascending and overturning work is performed, the workpiece can be effectively prevented from being deviated or falling in the overturning process, the workpiece is protected, and the practicability of the device is improved.
The third innovation point implementation step:
the first step is as follows: the driving motor 10 is used for driving the second threaded rod 9 to rotate, so that the threaded sleeve 8 moves upwards, and the mechanical arm 3 is driven to move upwards;
the second step is that: the servo motor 20 works to drive the transmission chain 13 to transmit, and the rotating rod 14 is driven to rotate through the transmission chain 13, so that the connecting plate 18 is driven to rotate, workpieces clamped on the connecting plate 18 are overturned under the condition that the vertical position is unchanged, and welding errors are reduced.
The third step: then the driving motor 10 works reversely, so as to drive the mechanical arm 3 to move downwards, and the workpiece is reversely returned to the original position.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a supplementary welding jobs's work piece stands up robot, includes device body (1), base (4) and connecting plate (18), its characterized in that: the turnover device also comprises a clamping mechanism (16) for clamping the workpiece to prevent the workpiece from falling off in the turnover process, a fixing mechanism (6) for positioning the device to prevent the device from displacing, and a turnover mechanism for turnover the workpiece;
the device is characterized in that a base (4) is installed at the bottom end of the device body (1), universal wheels (5) are installed at four corner positions of the bottom end of the base (4), and the fixing mechanism (6) is arranged inside the base (4);
the device is characterized in that a control panel (17) is installed on one side of the device body (1), a working chamber (7) is arranged in the device body (1), a second threaded rod (9) is installed at the bottom end of the working chamber (7) in a rotating mode through a bearing, an installation block (11) is installed at the top end of the working chamber (7), the bottom end of the installation block (11) is connected with a driving motor (10), the output end of the driving motor (10) is connected with one end of the second threaded rod (9), the outer side of the second threaded rod (9) is connected with a threaded sleeve (8) through threads, a mechanical arm (3) is installed at one end of the threaded sleeve (8), the mechanical arm (3) extends to the outer side of the device body (1), a first sliding groove (2) is formed in one side, close to the mechanical arm (3), of one side of the mechanical arm (3) is connected with a connecting plate (18) through a bearing, a fixed pressing block (19) is arranged at the bottom end of one side of the connecting plate (18), and the clamping mechanism (16) is arranged at the top end of one side of the connecting plate (18);
the turnover mechanism is arranged on one side of the mechanical arm (3) far away from the connecting plate (18).
2. The workpiece turn-over robot for assisting welding operation according to claim 1, wherein: tilting mechanism includes servo motor (20), install in the inside of arm (3) servo motor (20), and the output of servo motor (20) extends arm (3) and keeps away from one side of connecting plate (18), the output meshing of servo motor (20) is connected with drive chain (13), arm (3) inside position department that corresponds connecting plate (18) runs through and is provided with bull stick (14), and one end connecting plate (18) of bull stick (14) are connected to the other end and the drive chain (13) of bull stick (14) are connected.
3. The workpiece turn-over robot for assisting welding operation according to claim 2, wherein: the central axis of the rotating rod (14) is the same as the central axis of a bearing for connecting the connecting plate (18) and the mechanical arm (3), the diameter of the rotating rod (14) is smaller than that of the bearing for connecting the connecting plate (18) and the mechanical arm (3), and the transmission chain (13) and the rotating rod (14) form a transmission structure.
4. The workpiece turn-over robot for assisting welding operation according to claim 1, wherein: fixed establishment (6) include rocker (601), transfer line (602), first helical gear (603), second helical gear (604) and first screw rod (605), transfer line (602) is installed in the both ends of base (4) through the bearing, and the one end of transfer line (602) extends to the outside of base (4), and transfer line (602) is connected with rocker (601), the outside cover of transfer line (602) is equipped with first helical gear (603), the inside bottom of base (4) is connected with first screw rod (605) through the bearing, and second helical gear (604) are installed on the top of first screw rod (605), there is friction frame (606) outside of first screw rod (605) through threaded connection, and friction frame (606) run through the bottom of base (4).
5. The workpiece turn-over robot for assisting welding operation according to claim 4, wherein: the first bevel gear (603) and the second bevel gear (604) form a transmission structure, the friction frame (606) is U-shaped, and the bottom end of the friction frame (606) is made of rubber materials.
6. The workpiece turn-over robot for assisting welding operation according to claim 1, wherein: clamping mechanism (16) include pneumatic cylinder (1601), reset spring (1602), activity briquetting (1603) and second spout (1604), install in the bottom of fixed briquetting (19) pneumatic cylinder (1601), and the output of pneumatic cylinder (1601) passes the top of fixed briquetting (19), and the output of pneumatic cylinder (1601) is connected with activity briquetting (1603), second spout (1604) have been seted up to one side that connecting plate (18) are close to fixed briquetting (19), one side that activity briquetting (1603) is good fixed briquetting (19) is relative is connected with reset spring (1602).
7. The workpiece turn-over robot for assisting welding operation according to claim 6, wherein: one end of the movable pressing block (1603) extends to the inside of the second sliding groove (1604), the movable pressing block (1603) and the second sliding groove (1604) form a sliding structure, and the movable pressing block (1603) and the fixed pressing block (19) are both U-shaped.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121349629.9U CN215469273U (en) | 2021-06-17 | 2021-06-17 | Workpiece turning-over robot for assisting welding operation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121349629.9U CN215469273U (en) | 2021-06-17 | 2021-06-17 | Workpiece turning-over robot for assisting welding operation |
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| Publication Number | Publication Date |
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| CN215469273U true CN215469273U (en) | 2022-01-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114941070A (en) * | 2022-05-24 | 2022-08-26 | 南通爱特有色金属制品有限公司 | Heat treatment device for manufacturing mechanical arm parts |
-
2021
- 2021-06-17 CN CN202121349629.9U patent/CN215469273U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114941070A (en) * | 2022-05-24 | 2022-08-26 | 南通爱特有色金属制品有限公司 | Heat treatment device for manufacturing mechanical arm parts |
| CN114941070B (en) * | 2022-05-24 | 2024-04-12 | 南通极飞科技有限公司 | Heat treatment device for manufacturing mechanical arm parts |
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