Cylinder sleeve surface spraying device

Abstract

The utility model discloses a cylinder sleeve surface spraying device which comprises a base, an L-shaped supporting arm is fixed to one side of the base, a first driving motor is fixed to the top of one end of the L-shaped supporting arm, an adjusting arm is rotationally connected to the bottom of one end of the L-shaped supporting arm, a spraying pipe is arranged at the bottom of the adjusting arm, and a supporting seat is fixed to the bottom of the base. A workbench is fixed to the top of the base, a plurality of positioning columns are evenly distributed on the upper surface of the workbench in a sliding connection mode, the positioning columns are located on the inner sides of the air cylinders, and a positioning mechanism used for driving the positioning columns to move synchronously is arranged in the base. According to the cylinder sleeve surface spraying device, the driving mechanism drives the positioning columns to move away from each other, so that the air cylinder is positioned and fixed to the common center position of the positioning columns, the situation that the distances from all positions of the surface of the cylinder sleeve to the nozzle are different is avoided, and the spraying uniformity is improved; and the air cylinder can be prevented from shaking in the spraying process.

Description

Technical Field

[0001] The utility model relates to the technical field of cylinder liner surface spraying, in particular to a cylinder liner surface spraying device. Background Art

[0002] The cylinder liner is an important component in the engine. It is used to fix the piston in the cylinder body and form a combustion chamber together with the piston and cylinder head. Since the cylinder liner is in a high temperature, high pressure and high-speed movement environment, it is easily affected by wear, corrosion and thermal stress. Therefore, measures need to be taken to protect the surface of the cylinder liner and extend its service life. By spraying corrosion-resistant coating materials on the surface of the cylinder liner, the durability of the cylinder liner can be improved, the impact of corrosion on the cylinder liner can be reduced, and the long-term stable operation of the engine can be ensured.

[0003] For example, an all-round cylinder liner spraying device with publication number CN219519299U includes a base, the upper surface of the base is fixedly connected to a bracket, the middle part of the cross plate is rotatably connected to a reciprocating nut, the internal thread of the reciprocating nut is connected to a reciprocating screw, the lower surface of the reciprocating screw is fixedly connected to a disc, the upper surface of the reciprocating nut is fixedly connected to a worm gear, the outer surface of the worm gear is movably connected to a worm, one end of the worm is fixedly connected to a motor, the worm and the reciprocating nut are driven to rotate by the rotation of the motor driving end, and then the reciprocating screw, the center nozzle and the side nozzle are driven to move up and down, the center nozzle and the side nozzle spray the cylinder set while moving, thereby achieving an all-round spraying effect.

[0004] In summary, it can be seen that the following technical problems exist in the prior art: when the existing device is spraying the surface of the cylinder liner, the center of rotation of the nozzle cannot remain coaxial with the cylinder liner during the rotation process, resulting in different distances from the nozzle to the cylinder liner surface. The cylinder liner is prone to uneven thickness after spraying. In order to solve the problems existing in the prior art, the present application proposes a cylinder liner surface spraying device. Utility Model Content

[0005] Based on this, it is necessary to provide a cylinder liner surface spraying device to address the above-mentioned technical problems. The driving mechanism drives the positioning columns to move away from each other, thereby positioning the cylinder and fixing the cylinder at the common center position of the positioning columns to avoid different distances from the nozzle to the cylinder liner surface, thereby improving the uniformity of the spraying and preventing the cylinder from shaking during the spraying process.

[0006] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0007] A cylinder liner surface spraying device specifically includes: a base, an L-shaped support arm is fixed on one side of the base, a first drive motor is fixed on the top of one end of the L-shaped support arm, an adjusting arm is rotatably connected to the bottom of one end of the L-shaped support arm, the output shaft of the first drive motor is fixed to one end of the adjusting arm, a nozzle is arranged at the bottom of the adjusting arm, an adjusting mechanism is arranged between the adjusting arm and the nozzle, a plurality of nozzles are evenly fixed on the side of the nozzle close to the cylinder, a support seat is fixed at the bottom of the base, a workbench is fixed on the top of the base, a plurality of positioning columns are evenly slidably connected to the upper surface of the workbench, the positioning columns are located on the inner side of the cylinder, and a positioning mechanism for driving the positioning columns to move synchronously is arranged inside the base.

[0008] As a preferred embodiment of the cylinder liner surface spraying device provided by the utility model, a plurality of slide grooves are evenly distributed inside the workbench, a slider is slidably connected inside the slide groove, and the positioning columns are rotatably connected to the top of the slider.

[0009] As a preferred embodiment of the cylinder liner surface spraying device provided by the utility model, guide blocks are fixed on both sides of the sliding block, guide grooves are opened on both sides of the inner wall of the sliding groove, and the guide blocks are slidably connected inside the guide grooves.

[0010] As a preferred embodiment of the cylinder liner surface spraying device provided by the utility model, the positioning mechanism includes a driving disk rotatably connected to the inside of the base, a driving groove is obliquely opened inside the driving disk, and the bottom of the slider is rotatably connected to a driving column, and the driving column is slidably connected to the inside of the driving groove.

[0011] As a preferred embodiment of the cylinder liner surface spraying device provided by the utility model, the positioning mechanism also includes a second drive motor fixed to the bottom of the base, a transmission column is fixed to the bottom of the drive disk, the bottom of the base is rotatably connected to a worm gear, the transmission column passes through the base and is fixed to the worm gear, and a worm is fixed to the output shaft of the second drive motor, and the worm is meshed with the worm gear.

[0012] As a preferred embodiment of the cylinder liner surface spraying device provided by the utility model, the adjustment mechanism includes a threaded rod rotatably connected to the inside of an adjustment arm, an adjustment block is slidably connected to the inside of the adjustment arm, the adjustment block is threadedly connected to the threaded rod, the top of the nozzle is fixed to the bottom of the adjustment block, and the other end of the adjustment arm is rotatably connected to an adjustment knob, and the adjustment knob is fixed to the threaded rod.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] 1. The driving mechanism drives the positioning columns to move away from each other, thereby positioning the cylinder and fixing the cylinder at the common center position of the positioning columns to avoid different distances from the cylinder liner surface to the nozzle, improve the uniformity of spraying, and prevent the cylinder from shaking during the spraying process.

[0015] 2. The threaded rod is driven to rotate by turning the adjusting knob. When the threaded rod rotates, the adjusting block is driven to move back and forth inside the adjusting arm. The nozzle and the nozzle are driven to move by the adjusting block, thereby adjusting the distance between the nozzle and the cylinder, so that cylinders of different diameters can maintain the same distance from the nozzle, thereby enabling the device to spray cylinders of different diameters. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the scheme in the utility model, a brief introduction is given below to the drawings required for use in the description of the embodiments. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a schematic diagram of the structure of the utility model as a whole and the cylinder;

[0018] Figure 2 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the drive disk of the utility model;

[0020] Figure 4 It is a structural schematic diagram of the bottom of the base of the utility model;

[0021] Figure 5 It is a structural schematic diagram of the regulating mechanism of the utility model.

[0022] The markings in the figure are as follows:

[0023] 1. Base; 2. Workbench; 3. Support seat; 4. L-shaped support arm; 5. First drive motor; 6. Drive plate; 7. Adjustment arm; 8. Adjustment knob; 9. Spray pipe; 10. Nozzle; 11. Cylinder; 12. Slide; 13. Positioning column; 14. Threaded rod; 15. Slider; 16. Guide groove; 17. Drive groove; 18. Drive column; 19. Second drive motor; 20. Worm; 21. Worm wheel; 22. Adjustment block; 23. Transmission column; 24. Guide block. DETAILED DESCRIPTION

[0024] Not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present utility model.

[0025] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the accompanying drawings.

[0026] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features and technical solutions in the embodiments may be combined with each other.

[0027] Example 1

[0028] Please refer to Figure 1-4 ,

[0029] The invention comprises a base 1, an L-shaped support arm 4 is fixed on one side of the base 1, a first drive motor 5 is fixed on the top of one end of the L-shaped support arm 4, an adjusting arm 7 is rotatably connected to the bottom of one end of the L-shaped support arm 4, an output shaft of the first drive motor 5 is fixed to one end of the adjusting arm 7, a nozzle 9 is arranged at the bottom of the adjusting arm 7, an adjusting mechanism is arranged between the adjusting arm 7 and the nozzle 9, the adjusting mechanism is used to adjust the distance between the nozzle 9 and the nozzle 10 and the cylinder 11, so that the cylinders 11 of different diameters can keep the same distance from the nozzle 10, so that the device can spray the cylinders 11 of different diameters, a plurality of nozzles 10 are evenly fixed on one side of the nozzle 9 close to the cylinder 11, specifically, when spraying the cylinder 11, the cylinder 11 is placed on the upper surface of the workbench 2, the adjusting arm 7 is driven to rotate by the first drive motor 5, and the nozzle 9 and the nozzle 10 are driven to rotate, so as to spray the surface of the cylinder 11;

[0030] A support seat 3 is fixed at the bottom of the base 1, and the support seat 3 is used to support the base 1. A workbench 2 is fixed on the top of the base 1. A plurality of positioning columns 13 are evenly distributed and slidably connected to the upper surface of the workbench 2. The number of the positioning columns 13 is 4. The common center position of the plurality of positioning columns 13 coincides with the output shaft of the first drive motor 5. The positioning columns 13 are located on the inner side of the cylinder 11. A positioning mechanism for driving the positioning columns 13 to move synchronously is provided inside the base 1. When positioning the cylinder 11, the staff places the cylinder 11 on the upper surface of the workbench 2, and drives the positioning columns 13 to move away from each other through the driving mechanism, so as to position the cylinder 11 and fix the cylinder 11 at the common center position of the positioning columns 13, so as to avoid different distances from the cylinder liner surface to the nozzle 10, improve the uniformity of spraying, and avoid shaking of the cylinder 11 during spraying.

[0031] A plurality of slide grooves 12 are evenly distributed inside the workbench 2, and a slider 15 is slidably connected inside the slide groove 12. The positioning posts 13 are rotatably connected to the top of the slider 15, and the slider 15 is used to drive the positioning posts 13 to move synchronously and limit the positioning posts 13. Guide blocks 24 are fixed on both sides of the slider 15. Guide grooves 16 are opened on both sides of the inner wall of the slide groove 12. The guide blocks 24 are slidably connected inside the guide groove 16, and the guide blocks 24 are slidably connected inside the guide groove 16 to guide and limit the slider 15.

[0032] The positioning mechanism includes a driving disk 6 rotatably connected to the inside of the base 1, a driving groove 17 is obliquely opened inside the driving disk 6, a driving column 18 is rotatably connected to the bottom of the slider 15, and the driving column 18 is slidably connected to the inside of the driving groove 17. Specifically, when the driving disk 6 rotates, the driving column 18 is driven to move away from each other through the driving groove 17, and the slider 15 and the positioning column 13 are driven to move away from each other through the driving column 18, thereby positioning the cylinder 11;

[0033] The positioning mechanism also includes a second drive motor 19 fixed to the bottom of the base 1, a transmission column 23 is fixed to the bottom of the drive disk 6, the bottom of the base 1 is rotatably connected to a worm gear 21, the transmission column 23 passes through the base 1 and is fixed to the worm gear 21, and a worm 20 is fixed to the output shaft of the second drive motor 19, the worm 20 is meshed with the worm wheel 21, and the worm wheel 21 is driven to rotate by the worm 20, and the worm wheel 21 drives the drive disk 6 to rotate through the transmission column 23.

[0034] Example 2

[0035] The cylinder liner surface spraying device provided in Example 1 is further optimized. Specifically, Figure 5 As shown,

[0036] The adjusting mechanism includes a threaded rod 14 rotatably connected to the inside of the adjusting arm 7, an adjusting block 22 is slidably connected to the inside of the adjusting arm 7, the adjusting block 22 is threadedly connected to the threaded rod 14, the top of the nozzle 9 is fixed to the bottom of the adjusting block 22, and the other end of the adjusting arm 7 is rotatably connected to the adjusting knob 8, and the adjusting knob 8 is fixed to the threaded rod 14. When adjusting the distance between the nozzle 10 and the cylinder 11, the staff drives the threaded rod 14 to rotate by rotating the adjusting knob 8. When the threaded rod 14 rotates, it drives the adjusting block 22 to reciprocate inside the adjusting arm 7, and drives the nozzle 9 and the nozzle 10 to move through the adjusting block 22, thereby adjusting the distance between the nozzle 10 and the cylinder 11, so that cylinders 11 of different diameters can maintain the same distance from the nozzle 10, and thus the device can spray cylinders 11 of different diameters.

[0037] The use process of a cylinder liner surface spraying device provided by the utility model is as follows:

[0038] Technical principle: When positioning the cylinder 11, the staff places the cylinder 11 on the upper surface of the workbench 2, and drives the worm wheel 21 to rotate through the worm 20, and the worm wheel 21 drives the driving disk 6 to rotate through the transmission column 23. When the driving disk 6 rotates, it drives the driving column 18 to move away from each other through the driving groove 17, and drives the slider 15 and the positioning column 13 to move away from each other through the driving column 18, so as to position the cylinder 11 and fix the cylinder 11 at the common center position of the positioning column 13 to avoid different distances from the cylinder sleeve surface to the nozzle 10, improve the uniformity of spraying, and avoid shaking of the cylinder 11 during spraying. The staff drives the threaded rod 14 to rotate by turning the adjusting knob 8. When the threaded rod 14 rotates, it drives the adjusting block 22 to reciprocate inside the adjusting arm 7, and drives the nozzle 9 and the nozzle 10 to move through the adjusting block 22, so as to adjust the distance between the nozzle 10 and the cylinder 11, so that cylinders 11 of different diameters can keep the same distance from the nozzle 10.

[0039] Obviously, the embodiments described above are only some embodiments of the utility model, rather than all embodiments. The preferred embodiments of the utility model are given in the accompanying drawings, but they do not limit the patent scope of the utility model. The utility model can be implemented in many different forms. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the utility model more thorough and comprehensive. Although the utility model is described in detail with reference to the aforementioned embodiments, for those skilled in the art, it is still possible to modify the technical solutions recorded in the aforementioned specific implementation methods, or to replace some of the technical features therein with equivalents. Any equivalent structure made using the contents of the utility model specification and the accompanying drawings, directly or indirectly used in other related technical fields, is also within the scope of patent protection of the utility model.

Claims

1. A cylinder liner surface spraying device, characterized in that: The invention comprises a base (1), an L-shaped support arm (4) is fixed on one side of the base (1), a first drive motor (5) is fixed on the top of one end of the L-shaped support arm (4), an adjustment arm (7) is rotatably connected to the bottom of one end of the L-shaped support arm (4), an output shaft of the first drive motor (5) is fixed to one end of the adjustment arm (7), a nozzle (9) is provided at the bottom of the adjustment arm (7), an adjustment mechanism is provided between the adjustment arm (7) and the nozzle (9), and a plurality of nozzles (10) are evenly distributed and fixed on one side of the nozzle (9) close to the cylinder (11); A support seat (3) is fixed to the bottom of the base (1), a workbench (2) is fixed to the top of the base (1), a plurality of positioning columns (13) are evenly distributed and slidably connected to the upper surface of the workbench (2), the positioning columns (13) are located on the inner side of the cylinder (11), and a positioning mechanism for driving the positioning columns (13) to move synchronously is provided inside the base (1).

2. The cylinder liner surface spraying device according to claim 1, characterized in that: A plurality of slide grooves (12) are evenly distributed inside the workbench (2), and a slider (15) is slidably connected inside the slide grooves (12), and the positioning columns (13) are rotatably connected to the top of the slider (15).

3. The cylinder liner surface spraying device according to claim 2, characterized in that: Guide blocks (24) are fixed on both sides of the slider (15), guide grooves (16) are opened on both sides of the inner wall of the slide groove (12), and the guide blocks (24) are respectively slidably connected inside the guide grooves (16).

4. The cylinder liner surface spraying device according to claim 2, characterized in that: The positioning mechanism comprises a driving disk (6) rotatably connected to the inside of the base (1), a driving groove (17) is obliquely opened inside the driving disk (6), and a driving column (18) is rotatably connected to the bottom of the slider (15), and the driving column (18) is slidably connected to the inside of the driving groove (17).

5. The cylinder liner surface spraying device according to claim 4, characterized in that: The positioning mechanism further comprises a second drive motor (19) fixed to the bottom of the base (1); a transmission column (23) is fixed to the bottom of the drive disk (6); a worm gear (21) is rotatably connected to the bottom of the base (1); the transmission column (23) passes through the base (1) and is fixed to the worm gear (21); a worm (20) is fixed to the output shaft of the second drive motor (19); and the worm gear (20) is meshed with the worm gear (21).

6. The cylinder liner surface spraying device according to claim 1, characterized in that: The adjustment mechanism comprises a threaded rod (14) rotatably connected to the inside of an adjustment arm (7); an adjustment block (22) is slidably connected to the inside of the adjustment arm (7); the adjustment block (22) is threadedly connected to the threaded rod (14); the top of the nozzle (9) is fixed to the bottom of the adjustment block (22); the other end of the adjustment arm (7) is rotatably connected to an adjustment knob (8); and the adjustment knob (8) is fixed to the threaded rod (14).

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