Positioning structure for spraying machine

Abstract

The positioning structure comprises a base and a spraying device, a square pipe is fixedly connected to the upper surface of the base, a square column is arranged in the square pipe, the top end of the square column extends out of the square pipe and is fixedly connected with a connecting plate, the spraying device is fixedly connected to the top of the connecting plate, and the spraying device is fixedly connected to the top of the connecting plate. A partition plate is fixedly connected to the position, below the square column, in the square pipe, a rotating hole is formed in the top of the partition plate, a threaded rod is rotationally connected into the rotating hole, a threaded hole is formed in the bottom of the square column, and the threaded rod is in threaded engagement with the threaded hole. The height of the spraying device can be adjusted without a tool, the spraying device can be conveniently adjusted, the safety of workers is guaranteed, the height of the spraying device can be accurately positioned, the accuracy of the spraying device is improved, and the working efficiency is improved. And abrasion between the first bevel gear and the second bevel gear can be reduced, and the service life is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of spraying machines, in particular to a positioning structure for spraying machines. Background Art

[0002] A sprayer is a kind of coating equipment, which is a mechanical equipment that disperses the paint into mist and sprays it on the surface of the object to be coated.

[0003] After searching, a high-pressure spray machine positioning mechanism with patent number CN214107550U is found, which includes a base. The above device uses a slider to slide up and down in a slide rail to adjust the height of the spray head, and uses a damping shaft to rotate the rotating rod to adjust the spray angle of the spray head. However, the adjustment structure is at the top of the device. If the height needs to be adjusted when the device is working, personnel need to use tools to raise the height to ensure that personnel can adjust the device, which poses a safety hazard. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a positioning structure for a spraying machine.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A positioning structure for a sprayer comprises a base and a spraying device, wherein a square tube is fixedly connected to the upper surface of the base, a square column is arranged inside the square tube, a connecting plate is fixedly connected to the square tube extending from the top end of the square column, the spraying device is fixedly connected to the top of the connecting plate, a partition is fixedly connected to a position below the square column in the square tube, a rotating hole is provided on the top of the partition, a threaded rod is rotatably connected in the rotating hole, a threaded hole is provided at the bottom of the square column, the threaded rod is threadedly meshed with the threaded hole, a first bevel gear is keyed to the bottom end of the threaded rod, and a driving assembly for driving the threaded rod to rotate is provided in the square tube.

[0007] As a further solution of the utility model, the driving assembly includes a rotating shaft, which is rotatably connected in the square tube, and the rotating shaft is located below the first bevel gear. The circumferential outer wall key of the rotating shaft is connected to a second bevel gear meshing with the first bevel gear, and the upper surface of the base is provided with a clamping assembly for fixing the rotating shaft.

[0008] As a further solution of the utility model, the locking assembly includes two fixed blocks, both of which are fixedly connected to the upper surface of the base, a rotating rod is rotatably connected between the two fixed blocks, a connecting rod is fixedly connected to the circumferential outer wall of the rotating rod, a protrusion is fixedly connected to one side of the connecting rod, one end of the rotating shaft passes through the square tube and is fixedly connected to a knob, a plurality of grooves are provided on one side of the knob, and the protrusions are clamped in the grooves, and an adsorption component is provided on the upper surface of the base for fixing the connecting rod after rotation.

[0009] As a further solution of the utility model, the adsorption component is a second magnetic block, the second magnetic block is fixedly connected to the upper surface of the base, and the first magnetic block is fixedly connected to the side of the connecting rod away from the protrusion.

[0010] As a further solution of the utility model, one side of the two fixing blocks in opposite directions is fixedly connected with a torsion spring, both ends of the rotating rod pass through the fixing blocks and the torsion spring, and the torsion spring is fixed to the rotating rod.

[0011] As a further solution of the utility model, both sides of the square column are fixedly connected with limiting blocks, both sides of the inner wall of the square tube are provided with limiting grooves, and the limiting blocks are slidably connected with the limiting grooves.

[0012] As a further solution of the utility model, a plurality of protrusions are fixedly connected to the circumferential outer wall of the knob, and the plurality of protrusions are evenly distributed.

[0013] The beneficial effects of the utility model are:

[0014] 1. Through the coordinated use of the threaded rod and the square column, the threaded rod rotates to drive the square column to move upward, the square column will push the connecting plate to move upward, and the connecting plate will drive the spray device to move upward, so that the height of the spray device can be adjusted. There is no need to use tools to adjust the height, which is convenient for adjusting the spray device and ensures the safety of the staff. At the same time, the height of the spray device is adjusted by the engagement of the thread, and the height of the spray device is accurately positioned, thereby improving the accuracy of the spray device.

[0015] 2. By setting the clamping assembly, the rotating shaft is fixed by the clamping assembly, so that the height of the spraying device can be auxiliary fixed, thereby reducing the wear between the first bevel gear and the second bevel gear and increasing the service life.

[0016] 3. By setting the adsorption component, the adsorption component is used to adsorb and fix the rotating connecting rod, thereby avoiding the connecting rod from being reset after rotation, making it convenient for staff to use and improving the convenience of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a three-dimensional structural schematic diagram of a positioning structure for a spraying machine proposed by the utility model;

[0018] Figure 2 This is a partial cross-sectional structural schematic diagram of a positioning structure for a spraying machine proposed by the utility model;

[0019] Figure 3 This is a schematic diagram of the enlarged structure of the A part of a positioning structure for a spraying machine proposed by the utility model;

[0020] Figure 4 This is a schematic diagram of the enlarged structure of part B of a positioning structure for a spraying machine proposed by the utility model.

[0021] In the figure: 1. square tube; 2. base; 3. connecting plate; 4. spraying device; 5. square column; 6. threaded rod; 7. limit groove; 8. rotating shaft; 9. knob; 10. groove; 11. fixing block; 12. rotating rod; 13. torsion spring; 14. connecting rod; 15. protrusion; 16. first magnetic block; 17. second magnetic block; 18. limit block; 19. partition; 20. first bevel gear; 21. second bevel gear. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. The described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, other embodiments obtained by ordinary technicians in this field without making creative work are all within the scope of protection of the utility model.

[0023] Reference Figure 1-Figure 4 A positioning structure for a spraying machine includes a base 2 and a spraying device 4. The spraying device 4 includes a spray head and a delivery pipe, etc. The spraying device 4 is a prior art, so it will not be described in detail here. A square tube 1 is fixed to the upper surface of the base 2 by bolts. A square column 5 is arranged in the square tube 1. The top of the square column 5 extends out of the square tube 1 and is fixed with a connecting plate 3 by bolts. The spraying device 4 is fixed to the top of the connecting plate 3 by bolts. A partition 19 is fixed to the position below the square column 5 in the square tube 1 by bolts. A rotating hole is opened at the top of the partition 19, and a threaded rod 6 is rotatably connected in the rotating hole. A threaded hole is opened at the bottom of the square column 5. The threaded rod 6 is threadedly meshed with the threaded hole. The bottom end of the threaded rod 6 is keyed to The first bevel gear 20 and the square tube 1 are provided with a driving assembly for driving the threaded rod 6 to rotate. The threaded rod 6 is driven to rotate by the driving assembly. The threaded rod 6 will drive the square column 5 to move upward along the square tube 1 through the threaded engagement with the threaded hole. The square column 5 will drive the connecting plate 3 to move upward. The connecting plate 3 will drive the spraying device 4 to move upward, thereby realizing the height adjustment of the spraying device 4. The height of the spraying device 4 is adjusted by the threaded engagement between the threaded rod 6 and the threaded hole, so that the height of the spraying device 4 can be accurately positioned, thereby improving the accuracy of the spraying device 4, and there is no need to use tools to adjust the height, which is convenient for adjusting the spraying device 4 and ensures the safety of the staff.

[0024] The driving assembly includes a rotating shaft 8, which is rotatably connected in the square tube 1. The rotating shaft 8 is located below the first bevel gear 20. The circumferential outer wall key of the rotating shaft 8 is connected to the second bevel gear 21 meshing with the first bevel gear 20. When the rotating shaft 8 is rotated, the rotating shaft 8 will drive the second bevel gear 21 to rotate. The second bevel gear 21 will drive the first bevel gear 20 to rotate by meshing with the first bevel gear 20. The first bevel gear 20 will drive the threaded rod 6 to rotate. The height of the spraying device 4 can be fixed by the meshing between the first bevel gear 20 and the second bevel gear 21.

[0025] In the utility model, in order to reduce the wear of the first bevel gear 20 and the second bevel gear 21, a clamping assembly for fixing the rotating shaft 8 is provided on the upper surface of the base 2, and the clamping assembly includes two fixing blocks 11, and the two fixing blocks 11 are welded to the upper surface of the base 2. A rotating rod 12 is rotatably connected between the two fixing blocks 11, and a connecting rod 14 is welded to the circumferential outer wall of the rotating rod 12. A protrusion 15 is welded to one side of the connecting rod 14. One end of the rotating shaft 8 passes through the square tube 1 and is fixed with a knob 9 by bolts. A plurality of grooves 10 are provided on one side of the knob 9, and the protrusion 15 is clamped with the groove 10, so that the protrusion 15 on the connecting rod 14 is clamped with the groove 10 on the knob 9, and the rotating shaft 8 is fixed, so that the second bevel gear 21 cannot rotate, thereby fixing the height of the spraying device 4. The upper surface of the base 2 is provided with an adsorption component for fixing the connecting rod 14 after rotation, and the adsorption component is a second magnetic block 17, and the second magnetic block 17 is bonded to the upper surface of the base 2. The side of the connecting rod 14 away from the protrusion 15 is bonded with a first magnetic block 16, and the first magnetic block 16 and the second magnetic block 17 can be adsorbed. After the connecting rod 14 rotates to disengage the protrusion 15 from the groove 10, the connecting rod 14 can be fixed by the adsorption between the first magnetic block 16 and the second magnetic block 17. Torsion springs 13 are welded on the opposite sides of the two fixed blocks 11, and both ends of the rotating rod 12 pass through the fixed blocks 11 and the torsion springs 13. The torsion springs 13 are fixed to the rotating rod 12. The connecting rod 14 will cause the torsion springs 13 to generate a force during the rotation process. At this time, the connecting rod 14 can be reset by the force of the torsion springs 13.

[0026] In order to prevent the square column 5 from moving the prescription tube 1, limit blocks 18 are welded on both sides of the square column 5, and limit grooves 7 are provided on the inner walls on both sides of the square tube 1, and the limit blocks 18 are slidably connected with the limit grooves 7. When the square column 5 moves, the limit blocks 18 will drive the limit blocks 18 to move in the limit grooves 7, thereby limiting the moving distance of the square column 5. A plurality of protrusions are welded on the circumferential outer wall of the knob 9, and the plurality of protrusions are evenly distributed.

[0027] Working principle: When it is needed, turn the connecting rod 14 to make the first magnetic block 16 and the second magnetic block 17 on the connecting rod 14 adsorb to fix the connecting rod 14, and then turn the knob 9, the knob 9 will drive the rotating shaft 8 to rotate, the rotating shaft 8 will drive the second bevel gear 21 to rotate, the second bevel gear 21 will drive the first bevel gear 20 to rotate by meshing with the first bevel gear 20, the first bevel gear 20 will drive the threaded rod 6 to rotate, the threaded rod 6 will drive the square column 5 to move upward along the square tube 1 by meshing with the threaded hole, and the square column 5 will The connecting plate 3 is driven to move upward, and the connecting plate 3 will drive the spraying device 4 to move upward, thereby realizing the height adjustment of the spraying device 4. The height of the spraying device 4 can be fixed by the engagement between the first bevel gear 20 and the second bevel gear 21, and the height of the spraying device 4 can be adjusted by the threaded engagement between the threaded rod 6 and the threaded hole, so that the height of the spraying device 4 can be accurately positioned, thereby improving the accuracy of the spraying device 4, and there is no need to use tools to adjust the height, which is convenient for adjusting the spraying device 4 and ensures the safety of the staff.

[0028] In addition, the terms "installation", "setting", "connection" and "socketing" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, elements or components. Those skilled in the art can understand the specific meanings of the above terms in this application according to specific circumstances.

Claims

1. A positioning structure for a spraying machine, comprising a base (2) and a spraying device (4), characterized in that: The upper surface of the base (2) is fixedly connected to a square tube (1), a square column (5) is arranged inside the square tube (1), the top end of the square column (5) extends out of the square tube (1) and is fixedly connected to a connecting plate (3), the spraying device (4) is fixedly connected to the top of the connecting plate (3), a partition (19) is fixedly connected to a position below the square column (5) in the square tube (1), a rotating hole is provided at the top of the partition (19), a threaded rod (6) is rotatably connected in the rotating hole, a threaded hole is provided at the bottom of the square column (5), the threaded rod (6) is threadedly engaged with the threaded hole, the bottom end of the threaded rod (6) is keyed to a first bevel gear (20), and a driving component for driving the threaded rod (6) to rotate is provided in the square tube (1).

2. A positioning structure for a spraying machine according to claim 1, characterized in that: The driving assembly comprises a rotating shaft (8), the rotating shaft (8) is rotatably connected in the square tube (1), the rotating shaft (8) is located below the first bevel gear (20), the circumferential outer wall of the rotating shaft (8) is key-connected with a second bevel gear (21) meshing with the first bevel gear (20), and the upper surface of the base (2) is provided with a clamping assembly for fixing the rotating shaft (8).

3. A positioning structure for a spraying machine according to claim 2, characterized in that: The snap-fit ​​assembly comprises two fixed blocks (11), the two fixed blocks (11) are fixedly connected to the upper surface of the base (2), a rotating rod (12) is rotatably connected between the two fixed blocks (11), a connecting rod (14) is fixedly connected to the circumferential outer wall of the rotating rod (12), a protrusion (15) is fixedly connected to one side of the connecting rod (14), one end of the rotating shaft (8) passes through the square tube (1) and is fixedly connected to a knob (9), a plurality of grooves (10) are provided on one side of the knob (9), and the protrusion (15) is snap-fitted with the grooves (10), and an adsorption component for fixing the connecting rod (14) after rotation is provided on the upper surface of the base (2).

4. A positioning structure for a spraying machine according to claim 3, characterized in that: The adsorption component is a second magnetic block (17), the second magnetic block (17) is fixedly connected to the upper surface of the base (2), and the first magnetic block (16) is fixedly connected to the side of the connecting rod (14) away from the protrusion (15).

5. A positioning structure for a spraying machine according to claim 3, characterized in that: A torsion spring (13) is fixedly connected to one side of the two fixing blocks (11) in opposite directions, and both ends of the rotating rod (12) pass through the fixing blocks (11) and the torsion spring (13), and the torsion spring (13) is fixed to the rotating rod (12).

6. A positioning structure for a spraying machine according to claim 1, characterized in that: The two sides of the square column (5) are fixedly connected to limiting blocks (18), the inner walls on both sides of the square tube (1) are provided with limiting grooves (7), and the limiting blocks (18) are slidably connected to the limiting grooves (7).

7. A positioning structure for a spraying machine according to claim 3, characterized in that: A plurality of protrusions are fixedly connected to the circumferential outer wall of the knob (9), and the plurality of protrusions are evenly distributed.

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