Positioner facilitating station switching

Abstract

The utility model discloses a positioner convenient to switch stations, which relates to the technical field of positioners, and comprises a positioner main body, a rotating rod and a protection mechanism arranged on the outer wall of the rotating rod, and the protection mechanism comprises a telescopic component; the telescopic assembly comprises a telescopic plate and a sliding block, a rotating rod is rotatably connected to the outer wall of the positioner main body, and a control box is fixedly connected to the outer wall of the rotating rod. A telescopic driving motor can be started to drive a sliding block to slide along the outer wall of a sliding groove through rotation of a telescopic threaded rod, sliding of the sliding block drives a telescopic plate to stretch out and draw back along the outer wall of a baffle, and the effect of shielding the chippings during welding is achieved; and when a workpiece is welded through the positioner, the control operation of improving the anti-splashing effect of chippings generated during welding is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of positioners, in particular to a positioner which is convenient for switching workstations. Background Art

[0002] The positioner is a special welding auxiliary equipment, which is suitable for welding position shifting of rotary work to obtain the ideal processing position and welding speed.

[0003] For example, the application No. 201711396087.9 discloses a positioner, including a frame and a positioner mounted on the frame for clamping a workpiece for position change, a loading device for positioning the workpiece at the clamping position of the positioner mounted on the frame, the loading device including a supporting seat and a fixing assembly disposed on the supporting seat for fixing the workpiece, the supporting seat being mounted on the frame through a lifting assembly. The positioner has the advantages of simple and compact structure, low cost, easy installation and maintenance, easy control, stable and reliable operation, high efficiency and safety, etc.

[0004] However, although the positioner can perform switching processing operations on the workpiece, it has a low effect in preventing the splash of debris generated when the workpiece is welded, so that when the workpiece is welded, welding debris will splash everywhere, causing harm to the workers and reducing the safety of the positioner.

[0005] Therefore, in view of this, the existing structural deficiencies are studied and improved, and a positioner that is convenient for switching workstations is proposed. Utility Model Content

[0006] The utility model aims to provide a positioner that is convenient for switching workstations, so as to solve the problem in the background art that the anti-splashing effect of debris generated during welding of the workpiece is not high, which reduces the safety of the positioner.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a positioner for convenient switching of workstations, comprising a positioner body, a rotating rod and a protective mechanism arranged on the outer wall of the rotating rod, wherein the protective mechanism comprises a telescopic assembly;

[0008] The telescopic assembly includes a telescopic plate and a slider, the outer wall of the positioner body is rotatably connected to a rotating rod, the outer wall of the rotating rod is fixedly connected to a control box, the outer wall of the control box is fixedly connected to a servo motor, the output end of the servo motor is fixedly connected to a worm rotatably connected to the inner wall of the control box, the outer wall of the worm is meshed with a worm wheel rotatably connected to the inner wall of the control box, the rotation center of the worm wheel is fixedly connected to an adjusting plate through a connecting shaft, the outer wall of the adjusting plate is provided with a clamping rod, the outer wall of the rotating rod is provided with a baffle, the outer wall of the baffle is fixedly connected to a telescopic driving motor, the output end of the telescopic driving motor is fixedly connected to a telescopic threaded rod rotatably connected to the outer wall of the baffle, the outer wall of the telescopic threaded rod is threadedly connected to a slider slidably connected to the outer wall of the baffle, and the outer wall of the slider is fixedly connected to a telescopic plate telescopically connected to the outer wall of the baffle.

[0009] Furthermore, the outer wall of the positioner body is fixedly connected to a fixing box, the outer wall of the fixing box is fixedly connected to an adjusting drive motor, the output end of the adjusting drive motor is fixedly connected to an adjusting threaded rod rotatably connected to the inner wall of the fixing box, the outer wall of the adjusting threaded rod is threadedly connected to a limit block slidably connected to the inner wall of the fixing box, the outer wall of the limit block is fixedly connected to a rack, and the outer wall of the rack is meshed with a gear rotatably connected to the inner wall of the fixing box.

[0010] Furthermore, two groups of telescopic threaded rods are provided, and the rotation directions of the two groups of telescopic threaded rods are opposite.

[0011] Furthermore, a sliding groove is provided at the connection position between the outer wall of the baffle and the sliding block.

[0012] Furthermore, the baffles are provided in two groups, and the positions of the two groups of baffles are distributed symmetrically with respect to the central axis of the rotating rod.

[0013] Furthermore, the rotation center of the worm wheel and the rotation center of the adjustment plate are arranged to coincide with each other.

[0014] Furthermore, a limiting groove is provided at a connection position between the inner wall of the fixing box and the limiting block.

[0015] Furthermore, the rotation center of the gear is fixedly connected to the rotating rod via a connecting shaft, and the rotation center of the gear and the rotation center of the rotating rod are arranged to coincide with each other.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. The utility model sets a baffle plate. When welding the workpiece through a positioner, in order to improve the anti-splash effect of welding debris and prevent welding debris from splashing around and causing harm to the workers, the telescopic drive motor can be turned on to drive the slider to slide along the outer wall of the slide groove through the rotation of the telescopic threaded rod. The sliding of the slider drives the telescopic plate to be telescoped along the outer wall of the baffle plate, thereby shielding the debris during welding. This realizes the control operation of improving the anti-splash effect of welding debris when welding the workpiece through the positioner.

[0018] 2. The utility model adopts the setting of gears. When the workpiece is welded by the positioner, in order to improve the convenience of switching the workstations, the adjustment drive motor can be turned on to drive the limit block to slide along the outer wall of the limit groove by adjusting the rotation of the threaded rod. The sliding of the limit block drives the gear to rotate through the sliding of the rack, and the rotation of the gear drives the rotating rod to rotate, thereby realizing the control operation that improves the convenience of switching the workstations when the workpiece is welded by the positioner. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the three-dimensional structure of the device body;

[0020] Figure 2 It is a schematic diagram of the three-dimensional structure of the device body in another direction;

[0021] Figure 3 It is a schematic diagram of the three-dimensional structure of the worm and the worm wheel in connection;

[0022] Figure 4 It is a three-dimensional structural schematic diagram of the position distribution of the telescopic threaded rod and the telescopic plate;

[0023] Figure 5 It is a three-dimensional structural schematic diagram of the position distribution of the limit block and the gear.

[0024] In the figure: 1. Positioner body; 11. Rotating rod; 12. Control box; 13. Servo motor; 14. Worm; 15. Worm wheel; 16. Adjustment plate; 17. Clamping rod; 2. Baffle; 21. Telescopic plate; 22. Telescopic drive motor; 23. Telescopic threaded rod; 24. Slider; 25. Slide; 3. Fixed box; 31. Adjustment drive motor; 32. Adjustment threaded rod; 33. Limit block; 34. Limit slot; 35. Rack; 36. Gear. DETAILED DESCRIPTION

[0025] 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.

[0026] Embodiment 1

[0027] like Figure 1-Figure 3 As shown, a positioner for convenient switching of workstations comprises a positioner body 1, a rotating rod 11 and a protective mechanism arranged on the outer wall of the rotating rod 11, wherein the protective mechanism comprises a telescopic assembly;

[0028] The telescopic assembly includes a telescopic plate 21 and a slider 24. The outer wall of the positioner body 1 is rotatably connected to a rotating rod 11, the outer wall of the rotating rod 11 is fixedly connected to a control box 12, the outer wall of the control box 12 is fixedly connected to a servo motor 13, the output end of the servo motor 13 is fixedly connected to a worm 14 rotatably connected to the inner wall of the control box 12, the outer wall of the worm 14 is meshed with a worm wheel 15 rotatably connected to the inner wall of the control box 12, the rotation center of the worm wheel 15 is fixedly connected to an adjusting plate 16 through a connecting shaft, the outer wall of the adjusting plate 16 is provided with a clamping rod 17, the outer wall of the rotating rod 11 is provided with a baffle 2, the outer wall of the baffle 2 is fixedly connected to a telescopic driving motor 22, the output end of the telescopic driving motor 22 is fixedly connected to a telescopic threaded rod 23 rotatably connected to the outer wall of the baffle 2, the outer wall of the telescopic threaded rod 23 is threadedly connected to a slider 24 slidably connected to the outer wall of the baffle 2, and the outer wall of the slider 24 is fixedly connected to a telescopic plate 21 telescopically connected to the outer wall of the baffle 2.

[0029] Furthermore, two groups of telescopic threaded rods 23 are provided, and the rotation directions of the two groups of telescopic threaded rods 23 are opposite, which is conducive to achieving opposite sliding directions of the two groups of sliders 24 by setting the two groups of telescopic threaded rods 23 in opposite directions.

[0030] Furthermore, a slide groove 25 is provided at the connection portion between the outer wall of the baffle 2 and the slider 24. The slider 24 forms a sliding structure between the telescopic threaded rod 23 and the slide groove 25, which is conducive to the rotation of the telescopic threaded rod 23 to drive the slider 24 to slide along the outer wall of the slide groove 25, thereby realizing the control operation of the telescopic plate 21 to extend and retract.

[0031] Furthermore, two groups of baffles 2 are provided, and the position distribution of the two groups of baffles 2 is symmetrical about the central axis of the rotating rod 11. The telescopic plate 21 forms a telescopic structure with the baffle 2 through the slider 24, which is conducive to the sliding of the slider 24 to drive the telescopic plate 21 to be telescoped along the outer wall of the baffle 2, thereby realizing the control operation of improving the effect of preventing debris splashing generated by welding when the workpiece is welded through the positioner.

[0032] Furthermore, the rotation center of the worm gear 15 and the rotation center of the adjustment plate 16 are arranged to coincide with each other, and the adjustment plate 16 forms a rotating structure through the worm gear 15 and the rotating rod 11, thereby realizing a control operation for convenient conversion of the processing position.

[0033] Embodiment 2

[0034] like Figure 1 , Figure 2 and Figure 5 As shown, the present invention proposes a positioner that is convenient for switching workstations. Compared with the first embodiment, as another embodiment of the present invention, the outer wall of the positioner body 1 is fixedly connected to a fixing box 3, the outer wall of the fixing box 3 is fixedly connected to an adjusting drive motor 31, the output end of the adjusting drive motor 31 is fixedly connected to an adjusting threaded rod 32 that is rotatably connected to the inner wall of the fixing box 3, the outer wall of the adjusting threaded rod 32 is threadedly connected to a limiting block 33 that is slidably connected to the inner wall of the fixing box 3, the outer wall of the limiting block 33 is fixedly connected to a rack 35, and the outer wall of the rack 35 is meshed with There is a gear 36 rotatably connected to the inner wall of the fixed box 3. By setting the gear 36, when the workpiece is welded through the positioner, in order to improve the convenience of switching the workstations, the adjustment drive motor 31 can be turned on to adjust the rotation of the threaded rod 32, thereby driving the limit block 33 to slide along the outer wall of the limit groove 34. The sliding of the limit block 33 drives the gear 36 to rotate through the sliding of the rack 35, and the rotation of the gear 36 drives the rotating rod 11 to rotate, thereby realizing the control operation that improves the convenience of switching the workstations when the workpiece is welded through the positioner.

[0035] Furthermore, a limiting groove 34 is provided at the connection portion between the inner wall of the fixed box 3 and the limiting block 33. The limiting block 33 forms a sliding structure between the adjusting threaded rod 32 and the limiting groove 34, which is conducive to adjusting the rotation of the threaded rod 32 to drive the limiting block 33 to slide along the outer wall of the limiting groove 34, thereby realizing the control operation of the rotation of the gear 36.

[0036] Furthermore, the rotation center of the gear 36 is fixedly connected to the rotating rod 11 through the connecting shaft, and the rotation center of the gear 36 and the rotation center of the rotating rod 11 are arranged to coincide with each other. The gear 36 forms a rotating structure with the positioner body 1 through the limit block 33 and the rack 35, which is conducive to the sliding of the limit block 33 and the sliding of the rack 35 to drive the gear 36 to rotate, and the rotation of the gear 36 drives the rotating rod 11 to rotate, thereby realizing control operations to improve the convenience of station switching when welding the workpiece through the positioner.

[0037] Working principle: When using this positioner that is convenient for switching work positions, first, when welding the workpiece through the positioner, in order to improve the anti-splash effect of welding debris and prevent welding debris from splashing around and causing harm to the workers, the telescopic drive motor 22 can be turned on to drive the slider 24 to slide along the outer wall of the slide groove 25 through the rotation of the telescopic threaded rod 23. The sliding of the slider 24 drives the telescopic plate 21 to retract along the outer wall of the baffle 2, thereby shielding the debris during welding, thereby realizing the control operation of improving the anti-splash effect of welding debris when welding the workpiece through the positioner.

[0038] Finally, when the workpiece is welded through the positioner, in order to improve the convenience of switching workstations, the adjustment drive motor 31 can be turned on to adjust the rotation of the threaded rod 32, thereby driving the limit block 33 to slide along the outer wall of the limit groove 34. The sliding of the limit block 33 drives the gear 36 to rotate through the sliding of the rack 35, and the rotation of the gear 36 drives the rotating rod 11 to rotate, thereby realizing control operations that improve the convenience of switching workstations when the workpiece is welded through the positioner.

[0039] This is the working principle of this positioner that facilitates switching of workstations.

[0040] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. A positioner for convenient switching of workstations, comprising a positioner body (1), a rotating rod (11) and a protective mechanism arranged on the outer wall of the rotating rod (11), characterized in that: The protection mechanism includes a telescopic assembly; The telescopic assembly comprises a telescopic plate (21) and a slider (24); the outer wall of the positioner body (1) is rotatably connected to a rotating rod (11); the outer wall of the rotating rod (11) is fixedly connected to a control box (12); the outer wall of the control box (12) is fixedly connected to a servo motor (13); the output end of the servo motor (13) is fixedly connected to a worm (14) rotatably connected to the inner wall of the control box (12); the outer wall of the worm (14) is meshed with a worm wheel (15) rotatably connected to the inner wall of the control box (12); the rotation center of the worm wheel (15) is fixedly connected via a connecting shaft An adjustment plate (16) is provided, the outer wall of the adjustment plate (16) is provided with a clamping rod (17), the outer wall of the rotating rod (11) is provided with a baffle (2), the outer wall of the baffle (2) is fixedly connected to a telescopic drive motor (22), the output end of the telescopic drive motor (22) is fixedly connected to a telescopic threaded rod (23) rotatably connected to the outer wall of the baffle (2), the outer wall of the telescopic threaded rod (23) is threadedly connected to a slider (24) slidably connected to the outer wall of the baffle (2), and the outer wall of the slider (24) is fixedly connected to a telescopic plate (21) telescopically connected to the outer wall of the baffle (2).

2. A positioner for facilitating switching of workstations according to claim 1, characterized in that: The outer wall of the positioner body (1) is fixedly connected to a fixing box (3), the outer wall of the fixing box (3) is fixedly connected to an adjusting drive motor (31), the output end of the adjusting drive motor (31) is fixedly connected to an adjusting threaded rod (32) rotatably connected to the inner wall of the fixing box (3), the outer wall of the adjusting threaded rod (32) is threadedly connected to a limit block (33) slidably connected to the inner wall of the fixing box (3), the outer wall of the limit block (33) is fixedly connected to a rack (35), and the outer wall of the rack (35) is meshed with a gear (36) rotatably connected to the inner wall of the fixing box (3).

3. A positioner for facilitating switching of workstations according to claim 1, characterized in that: The telescopic threaded rods (23) are provided in two groups, and the rotation directions of the two groups of telescopic threaded rods (23) are opposite.

4. A positioner for facilitating switching of workstations according to claim 1, characterized in that: A sliding groove (25) is provided at the connection position between the outer wall of the baffle (2) and the sliding block (24).

5. A positioner for facilitating switching of workstations according to claim 1, characterized in that: Two groups of baffles (2) are provided, and the positions of the two groups of baffles (2) are distributed symmetrically with respect to the central axis of the rotating rod (11).

6. A positioner for facilitating switching of workstations according to claim 1, characterized in that: The rotation center of the worm wheel (15) and the rotation center of the adjustment plate (16) are arranged to coincide with each other.

7. A positioner for facilitating switching of workstations according to claim 2, characterized in that: A limiting groove (34) is provided at the connection portion between the inner wall of the fixing box (3) and the limiting block (33).

8. A positioner for facilitating switching of workstations according to claim 2, characterized in that: The rotation center of the gear (36) is fixedly connected to the rotating rod (11) via a connecting shaft, and the rotation center of the gear (36) and the rotation center of the rotating rod (11) are arranged to coincide with each other.

Images