Three-axis rotation positioner device

Abstract

The utility model relates to the technical field of industrial automation, and discloses a three-axis rotation positioner device which comprises an arc light blocking plate, the lower end of the arc light blocking plate is fixedly connected with a spindle box body, two rotation box bodies are arranged on the two sides of the spindle box body, and a base box body is arranged at the lower end of the spindle box body. According to the three-shaft rotation positioner device, the check block, the telescopic rod, the spring, the screw rod, the mounting base and the adjusting bush jointly form a gap eliminating structure, the spring exerts pressure on the check block, so that a gear of a rotating shaft driving unit is tightly meshed with a first slewing bearing, the gap eliminating purpose is achieved, the transmission precision is improved, the adjusting bush is arranged, and a nut of the adjusting bush is screwed, so that the gap eliminating effect is achieved. The position of the adjusting lining on the screw rod is changed, the effect of adjusting the pressure of the spring is achieved, the adjusting mode is simple, the two rotary box bodies are arranged to be matched with the spindle box body for use, the production efficiency is improved, the occupied space of equipment is reduced, and the spindle box body is of a welded box body structure and is compact in structure and good in strength.

Description

Technical Field

[0001] The utility model relates to the technical field of industrial automation, in particular to a three-axis rotary positioner device. Background Art

[0002] In the field of industrial manufacturing and mechanical processing, three-axis rotary positioning devices are often needed. Three-axis rotary positioning devices generally refer to a device or system that can rotate and shift in three axes. It is suitable for various processes such as engraving, cutting, welding, positioning and assembly. In the automotive manufacturing, aerospace, electronic manufacturing and other industries, three-axis rotary positioning devices are often used to complete complex tasks.

[0003] China Utility Model Patent Publication No.: CN 213257957 U, discloses: a three-axis rotary positioner, the three-axis rotary positioner, the positioner body adopts a welded structure, and the whole is processed by stress relief annealing after welding, and the structure has high precision and good stability; the servo motor used in it is combined with the RV reducer structure, which gives full play to the characteristics of the servo motor and the reducer, improves the equipment use precision and stability, and improves work efficiency, but the positioner drive unit adopts a fixed installation form, has no anti-backlash structure, low transmission precision, and will produce obvious shaking during working rotation, which reduces the work quality, cannot realize the multi-axis linkage function, has a low degree of automation, and has low work efficiency. Summary of the invention

[0004] The technical problem to be solved by the utility model is to provide a three-axis rotary positioner device, which can effectively solve the problems in the prior art that the positioner drive unit adopts a fixed installation form, has no anti-backlash structure, has low transmission accuracy, and will produce obvious shaking during rotation, thereby reducing the work quality, being unable to realize multi-axis linkage function, having a low degree of automation, and having low work efficiency.

[0005] The technical solution adopted by the utility model is: a three-axis rotary positioner device, including an arc light shielding plate, the lower end of the arc light shielding plate is fixedly connected to the spindle housing, two rotary housings are arranged on both sides of the spindle housing, the lower end of the spindle housing is provided with a base housing, the upper end of the base housing is fixedly connected to a pneumatic latch, the upper end of the base housing is provided with a rotating shaft driving unit, the lower end of the base housing is rotatably connected to a rotary support one, the interior of the spindle housing is fixedly connected to the rotary shaft driving unit, the interior of the spindle housing is provided with a rotary shaft body, and the outer side of the rotary shaft body is fixedly connected to a rotary support two.

[0006] Preferably, the rotating shaft driving unit includes a servo motor, a connecting flange, a reducer, a connecting seat, a driving shaft, a gear, a block, a telescopic rod, a spring, a screw, a mounting seat and an adjusting bushing. The lower end of the servo motor is provided with a connecting flange, the output end of the servo motor is fixedly connected to the reducer, the lower end of the reducer is fixedly connected to the connecting seat, the output end of the reducer is fixedly connected to the driving shaft, the lower end of the driving shaft is fixedly connected to the gear, the side of the connecting seat is fixedly connected to the block, the left side of the block is fixedly connected to the telescopic rod, the outer side of the telescopic rod is sleeved with a spring, the left side of the telescopic rod is fixedly connected to the screw, the outer side of the screw is fixedly connected to the mounting seat, and the outer side of the screw is provided with an adjusting bushing.

[0007] Through the above technical solution, a rotating shaft driving unit is provided to provide driving force for the slewing bearing 1.

[0008] Preferably, the left side of the spring is fixedly connected to the adjusting bushing, and the right side of the spring is fixedly connected to the stop block.

[0009] Through the above technical solution, the stopper, telescopic rod, spring, screw, mounting seat and adjusting bushing together form an anti-backlash structure. The spring applies pressure to the stopper, so that the gear of the rotating shaft drive unit is tightly engaged with the slewing bearing, thereby achieving the purpose of eliminating backlash and improving transmission accuracy.

[0010] Preferably, the connecting seat is bolt-lockedly connected to the base box, and the adjusting bushing is threadedly connected to the screw rod through a nut.

[0011] Through the above technical solution, an adjusting bushing is provided, and the nut of the adjusting bushing is turned to change the position of the adjusting bushing on the screw rod, thereby achieving the effect of adjusting the spring pressure, and the adjustment method is simple.

[0012] Preferably, the connecting seat and the base box are locked and connected by bolts, and the rotating shaft body is fixedly connected between the two rotating boxes.

[0013] Through the above technical solution, two rotary boxes are set up for use with the spindle box, which improves production efficiency and reduces the space occupied by the equipment. The spindle box adopts a welded box structure with compact structure, good strength, light weight, saving materials and facilitating transmission.

[0014] Preferably, the gear is meshingly connected with the slewing bearing 1, the output end of the pneumatic latch corresponds to the slewing bearing 1, and the upper end of the slewing bearing 1 is fixedly connected to the spindle housing.

[0015] Through the above technical solution, the servo motor is started to drive the drive shaft and the gear to rotate after amplifying the torque through the reducer. The rotation of the gear drives the meshing slewing bearing 1 and the spindle box to rotate. A pneumatic latch is provided to improve the positioning accuracy of the rotating shaft while also enhancing the rigidity of the structure. The slewing bearing 1 and the slewing bearing 2 can be connected with the currently required welding parts. Only the connecting plate needs to be changed to be suitable for the installation of different types of weldments, and it has wide versatility.

[0016] Preferably, the rotary shaft driving unit has the same structure as the rotating shaft driving unit, and the rotary shaft driving unit is meshingly connected with the rotary bearing.

[0017] Through the above technical solution, a rotary axis drive unit with the same structure as the rotating axis drive unit is set up, with high transmission accuracy and smoother operation. It can realize the welding of different types of workpieces and can realize free programming of angles and speeds in two directions. The robot control system can be used for interpolation to meet the welding requirements and adjust the welding method, greatly optimizing the welding trajectory.

[0018] Compared with the prior art, the utility model provides a three-axis rotary positioner device, which has the following beneficial effects:

[0019] 1. The three-axis rotary positioner device, the block, telescopic rod, spring, screw, mounting seat and adjusting bushing together form a clearance elimination structure. The spring applies pressure to the block, so that the gear of the rotary shaft drive unit is closely meshed with the slewing support, so as to achieve the purpose of eliminating the clearance and improve the transmission accuracy. An adjusting bushing is provided, and the nut of the adjusting bushing is screwed to change the position of the adjusting bushing on the screw to achieve the effect of adjusting the spring pressure. The adjustment method is simple, and two rotary boxes are provided to cooperate with the spindle box, which improves the production efficiency and reduces the space occupied by the equipment. The spindle box adopts a welded box structure, which has a compact structure, good strength, light weight, saves materials and is convenient for transmission;

[0020] 2. The three-axis rotary positioner device starts the servo motor to amplify the torque through the reducer and then drives the drive shaft and the gear to rotate. The rotation of the gear drives the meshing connection of the slewing bearing 1 and the spindle box to rotate. A pneumatic latch is provided to improve the positioning accuracy of the rotating shaft and enhance the rigidity of the structure. The slewing bearing 1 and the slewing bearing 2 can be connected with the currently required welding parts. Only the connection plate needs to be changed to be suitable for the installation of different types of weldments. It has wide versatility. A slewing shaft drive unit with the same structure as the rotating shaft drive unit is provided. The transmission accuracy is high and the operation is smoother. The welding of different types of workpieces can be realized. The free programming of the angle and speed in two directions can be realized. The robot control system can be interpolated to meet the welding requirement angle and adjust the welding method. The welding trajectory is greatly optimized, the shortcomings of the prior art are overcome, and the requirements of automatic welding can be met. It has good versatility and has the function of linkage with the industrial robot. Therefore, the weld accessibility rate is high, which can meet the one-time forming of the welding process, the work efficiency is high, the cost is low, and the weld forming quality can be guaranteed. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 The three-dimensional structure of the utility model is shown in FIG. Figure 1 ;

[0022] Figure 2 The three-dimensional structure of the utility model is shown in FIG. Figure 2 ;

[0023] Figure 3 It is a schematic diagram of the three-dimensional cross-sectional structure of the utility model;

[0024] Figure 4 This is an enlarged structural diagram of the base box and the rotating shaft drive unit of the utility model;

[0025] Figure 5 This is a schematic diagram of the split structure of the base box and the rotating shaft drive unit of the utility model;

[0026] Figure 6 It is an enlarged structural diagram of the rotary shaft drive unit of the utility model.

[0027] Among them: 1. arc light shield; 2. spindle housing; 3. rotary housing; 4. base housing; 5. pneumatic latch; 6. rotary shaft drive unit; 601. servo motor; 602. connecting flange; 603. reducer; 604. connecting seat; 605. drive shaft; 606. gear; 607. block; 608. telescopic rod; 609. spring; 610. screw; 611. mounting seat; 612. adjusting bushing; 7. slewing bearing one; 8. slewing shaft drive unit; 9. slewing shaft body; 10. slewing bearing two. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] Embodiment 1: Figure 1-6 As shown, the utility model provides a three-axis rotary positioner device, including an arc light shielding plate 1, the lower end of the arc light shielding plate 1 is fixedly connected to a spindle housing 2, two rotary housings 3 are arranged on both sides of the spindle housing 2, a base housing 4 is arranged at the lower end of the spindle housing 2, the upper end of the base housing 4 is fixedly connected to a pneumatic latch 5, a rotating shaft driving unit 6 is arranged at the upper end of the base housing 4, the lower end of the base housing 4 is rotatably connected to a rotary support 7, the interior of the spindle housing 2 is fixedly connected to a rotary shaft driving unit 8, a rotary shaft body 9 is arranged inside the spindle housing 2, and the outer side of the rotary shaft body 9 is fixedly connected to a rotary support 10.

[0030] Specifically, the rotating shaft driving unit 6 includes a servo motor 601, a connecting flange 602, a reducer 603, a connecting seat 604, a driving shaft 605, a gear 606, a stopper 607, a telescopic rod 608, a spring 609, a screw 610, a mounting seat 611 and an adjusting bushing 612. The lower end of the servo motor 601 is provided with a connecting flange 602, the output end of the servo motor 601 is fixedly connected to the reducer 603, and the lower end of the reducer 603 is fixedly connected to the connecting The output end of the reducer 603 is fixedly connected to the drive shaft 605, the lower end of the drive shaft 605 is fixedly connected to the gear 606, the side of the connection seat 604 is fixedly connected to the stopper 607, the left side of the stopper 607 is fixedly connected to the telescopic rod 608, the outer side of the telescopic rod 608 is sleeved with a spring 609, the left side of the telescopic rod 608 is fixedly connected to the screw 610, the outer side of the screw 610 is fixedly connected to the mounting seat 611, and the outer side of the screw 610 is provided with an adjustment bushing 612. The advantage is that the rotary shaft driving unit 6 is provided to provide driving force for the slewing bearing 7.

[0031] Specifically, the left side of the spring 609 is fixedly connected to the adjusting bushing 612, and the right side of the spring 609 is fixedly connected to the stopper 607. The advantage is that the stopper 607, the telescopic rod 608, the spring 609, the screw 610, the mounting seat 611 and the adjusting bushing 612 together form a clearance elimination structure, and the spring 609 applies pressure to the stopper 607, so that the gear 606 of the rotating shaft driving unit 6 is closely meshed with the slewing bearing 7, so as to achieve the purpose of clearance elimination and improve the transmission accuracy.

[0032] Specifically, the connection seat 604 is bolted and connected to the base box 4, and the adjusting bushing 612 is threadedly connected to the screw rod 610 through a nut. The advantage is that the adjusting bushing 612 is provided, and the nut of the adjusting bushing 612 is screwed to change the position of the adjusting bushing 612 on the screw rod 610, so as to achieve the effect of adjusting the pressure of the spring 609, and the adjustment method is simple.

[0033] Embodiment 2: Figure 2-6 As shown, as an improvement to the previous embodiment.

[0034] Specifically, the connection seat 604 is connected to the base box 4 by bolt locking, and the two rotary boxes 3 are fixedly connected to the rotary shaft body 9. The advantage is that two rotary boxes 3 are provided to cooperate with the spindle box 2, which improves the production efficiency and reduces the space occupied by the equipment. The spindle box 2 adopts a welded box structure, which is compact, strong, light, saves materials and is easy to drive.

[0035] Specifically, the gear 606 is meshedly connected with the slewing bearing 1 7, the output end of the pneumatic latch 5 corresponds to the slewing bearing 1 7, and the upper end of the slewing bearing 1 7 is fixedly connected to the spindle housing 2. The advantage is that after the servo motor 601 is started and the torque is amplified by the reducer 603, the drive shaft 605 and the gear 606 are driven to rotate, and the rotation of the gear 606 drives the meshed slewing bearing 1 7 and the spindle housing 2 to rotate. The pneumatic latch 5 is provided, which improves the positioning accuracy of the rotating shaft and also enhances the rigidity of the structure. The slewing bearing 1 7 and the slewing bearing 2 10 can be connected with the currently required welding parts, and only the connection plate needs to be changed to be applicable to the installation of different types of welding parts, and it has a wide range of versatility.

[0036] Specifically, the rotary shaft drive unit 8 has the same structure as the rotating shaft drive unit 6, and the rotary shaft drive unit 8 is meshed and connected with the slewing bearing 10. The advantages are that the rotary shaft drive unit 8 having the same structure as the rotating shaft drive unit 6 is provided, the transmission accuracy is high, the operation is more stable, the welding of different types of workpieces can be realized, the free programming of the angle and speed in two directions can be realized, the required welding angle can be met through interpolation by the robot control system, the welding method can be adjusted, and the welding trajectory is greatly optimized.

[0037] Working principle: When in use, the block 607, telescopic rod 608, spring 609, screw 610, mounting seat 611 and adjusting bushing 612 together form an anti-backlash structure. The nut of the adjusting bushing 612 is turned to change the position of the adjusting bushing 612 on the screw 610, thereby achieving the effect of adjusting the pressure of the spring 609. The spring 609 applies pressure to the block 607, so that the gear 606 of the rotating shaft drive unit 6 is tightly meshed with the slewing bearing 7, so as to achieve the purpose of eliminating backlash and improve the transmission accuracy. The adjustment method is simple. Two rotary boxes 3 are set to cooperate with the spindle box 2, which improves production efficiency and reduces the space occupied by the equipment. The spindle box 2 adopts a welded box structure with compact structure, good strength, light weight and material saving. At the same time, it is convenient for transmission. After starting the servo motor 601, the torque is amplified through the reducer 603 to drive the drive shaft 605 and the gear 606 to rotate. The rotation of the gear 606 drives the meshing slewing bearing 7 and the spindle box 2 to rotate. A pneumatic latch 5 is set to improve the positioning accuracy of the rotating axis while also enhancing the rigidity of the structure. The slewing bearing 1 7 and the slewing bearing 2 10 can be connected with the currently required welding parts. Only the connecting plate needs to be changed to be suitable for the installation of different types of weldments. It has wide versatility and can realize the welding of different types of workpieces. It can realize free programming of angles and speeds in two directions. The robot control system can be used for interpolation to meet the welding requirements and adjust the welding method, which greatly optimizes the welding trajectory.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A three-axis rotary positioner device, comprising an arc light shielding plate (1), characterized in that: The lower end of the arc light shielding plate (1) is fixedly connected to the spindle housing (2), two rotary housings (3) are arranged on both sides of the spindle housing (2), the lower end of the spindle housing (2) is provided with a base housing (4), the upper end of the base housing (4) is fixedly connected to a pneumatic latch (5), the upper end of the base housing (4) is provided with a rotating shaft driving unit (6), the lower end of the base housing (4) is rotatably connected to a rotary bearing one (7), the interior of the spindle housing (2) is fixedly connected to a rotary shaft driving unit (8), the interior of the spindle housing (2) is provided with a rotary shaft body (9), and the outer side of the rotary shaft body (9) is fixedly connected to a rotary bearing two (10).

2. A three-axis rotary positioner device according to claim 1, characterized in that: The rotating shaft driving unit (6) comprises a servo motor (601), a connecting flange (602), a reducer (603), a connecting seat (604), a driving shaft (605), a gear (606), a stopper (607), a telescopic rod (608), a spring (609), a screw (610), a mounting seat (611) and an adjusting bushing (612), wherein a connecting flange (602) is provided at the lower end of the servo motor (601), an output end of the servo motor (601) is fixedly connected to the reducer (603), and a lower end of the reducer (603) is fixedly connected to the connecting seat (604). ), the output end of the reducer (603) is fixedly connected to the drive shaft (605), the lower end of the drive shaft (605) is fixedly connected to the gear (606), the side of the connecting seat (604) is fixedly connected to the stopper (607), the left side of the stopper (607) is fixedly connected to the telescopic rod (608), the outer side of the telescopic rod (608) is sleeved with a spring (609), the left side of the telescopic rod (608) is fixedly connected to the screw rod (610), the outer side of the screw rod (610) is fixedly connected to the mounting seat (611), and the outer side of the screw rod (610) is provided with an adjusting bushing (612).

3. A three-axis rotary positioner device according to claim 2, characterized in that: The left side of the spring (609) is fixedly connected to the adjusting bushing (612), and the right side of the spring (609) is fixedly connected to the stopper (607).

4. A three-axis rotary positioner device according to claim 2, characterized in that: The connecting seat (604) is bolt-lockedly connected to the base box (4), and the adjusting bushing (612) is threadedly connected to the screw rod (610) via a nut.

5. A three-axis rotary positioner device according to claim 2, characterized in that: The connecting seat (604) and the base box body (4) are connected by bolt locking, and the two rotating boxes (3) are fixedly connected to the rotating shaft body (9).

6. A three-axis rotary positioner device according to claim 2, characterized in that: The gear (606) is meshingly connected with the slewing bearing one (7), the output end of the pneumatic latch (5) corresponds to the slewing bearing one (7), and the upper end of the slewing bearing one (7) is fixedly connected to the spindle housing (2).

7. A three-axis rotary positioner device according to claim 1, characterized in that: The rotary shaft drive unit (8) has the same structure as the rotating shaft drive unit (6), and the rotary shaft drive unit (8) is meshingly connected to the second rotary bearing (10).

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