A micro automatic lifting rotary table

Abstract

The utility model discloses a kind of miniature automatic lifting rotary workbench. Including fixed base, fixed base's central axis is fixed with lifting assembly, lifting assembly top end is connected with rotating assembly, rotating assembly is connected with workbench component;Lifting assembly includes double-acting pneumatic cylinder, the rodless cavity of double-acting pneumatic cylinder, rod cavity is communicated with the air vent A of lift pneumatic two-position five-way reversing valve, B respectively, lift pneumatic two-position five-way reversing valve's pneumatic control end a, b is communicated with gas source via ascending button manual valve, descending button manual valve respectively, the air inlet P of lift pneumatic two-position five-way reversing valve is communicated with gas source;The piston rod of double-acting pneumatic cylinder is connected with rotating assembly.The utility model can be automatically lifted and rotated according to the structure and appearance of part, and can be manually rotated, meet working condition and ergonomics.

Description

Technical Field

[0001] This utility model relates to the field of surface painting tooling technology, and in particular to a miniature automatic lifting and rotating worktable. Background Technology

[0002] There are many types of parts in mechanical and aerospace systems that require surface coating treatment. These parts have diverse structures, varying heights, and irregular shapes. Traditional painting methods involve placing the parts on a fixed workbench and having workers hold spray guns to apply the coating. Due to the special shape and internal cavities of the parts, operators need to rotate the workbench with one hand and hold the spray gun with the other. In addition, they need to adjust their sitting or standing posture according to the height of the parts. This process is physically demanding and cannot guarantee the uniformity and quality of the coating. Utility Model Content

[0003] The purpose of this invention is to provide a miniature automatic lifting and rotating worktable. Based on the structure and shape of the parts, this invention enables automatic lifting and rotation, and can also be manually operated, meeting both working conditions and ergonomic requirements.

[0004] The technical solution of this utility model is: a miniature automatic lifting and rotating worktable, including a fixed base, a lifting assembly fixed on the central shaft of the fixed base, the top of the lifting assembly connected to a rotating assembly, and the rotating assembly connected to a worktable assembly; the lifting assembly includes a double-acting pneumatic cylinder, the rodless chamber and the rod chamber of the double-acting pneumatic cylinder are respectively connected to the air inlets A and B of the lifting pneumatic control two-position five-way reversing valve, the pneumatic control ends a and b of the lifting pneumatic control two-position five-way reversing valve are respectively connected to the air source through the up button manual valve and the down button manual valve, and the air inlet P of the lifting pneumatic control two-position five-way reversing valve is connected to the air source; the piston rod of the double-acting pneumatic cylinder is connected to the rotating assembly.

[0005] In the aforementioned miniature automatic lifting rotary worktable, the rotating component includes a cage-shaped support frame, with a pneumatic motor located at the center of the cage-shaped support frame. The pneumatic motor shaft is connected to the worktable assembly. The two air ports of the pneumatic motor are respectively connected to the air ports A and B of the rotary pneumatic control two-position five-way reversing valve. The pneumatic control ends a and b of the rotary pneumatic control two-position five-way reversing valve are respectively connected to the air source via clockwise and counterclockwise foot pedal valves. The air inlet P of the rotary pneumatic control two-position five-way reversing valve is connected to the air source. The bottom of the cage-shaped support frame is connected to the piston rod.

[0006] In the aforementioned miniature automatic lifting and rotating worktable, the worktable assembly includes a base, a rotating sleeve rotatably connected to the center of the base, a rotating core rod rotatably connected inside the rotating sleeve, and a worktable at the top of the rotating core rod. The rotating sleeve and the rotating core rod are constrained in rotational freedom by limiting screws; the rotating sleeve is connected to the shaft of a pneumatic motor.

[0007] In the aforementioned miniature automatic lifting and rotating worktable, a planar thrust bearing is provided between the base and the top of the cage-shaped support frame.

[0008] In the aforementioned miniature automatic lifting and rotating worktable, silencers are provided on the exhaust ports R1 and R2 of the lifting pneumatic two-position five-way reversing valve and the rotating pneumatic two-position five-way reversing valve.

[0009] In the aforementioned miniature automatic lifting and rotating worktable, linear bearings are also provided on both sides of the piston rod. The linear bearings are slidably connected to the linear guide shaft, and the linear guide shaft is connected to the bottom of the cage-shaped support frame.

[0010] In the aforementioned miniature automatic lifting and rotating worktable, an exhaust throttle valve is provided at the interface of the rodless chamber and the rod chamber of the double-acting pneumatic cylinder.

[0011] The advantages of this utility model are: compared with a fixed workbench, this utility model allows the painter to choose between lifting, automatic rotation and manual spraying according to the complexity of the part structure, and to carry out the spraying operation in a comfortable state, which is in line with ergonomics. Moreover, the paint on the workpiece surface is uniform and the surface paint quality is improved. Compared with a fixed workbench, the degree of automation is improved. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of a miniature automatic lifting and rotating worktable.

[0013] Figure 2 This is a schematic diagram of the cylinder assembly; Figure 3 This is a schematic diagram of the cylinder assembly; Figure 4 This is a schematic diagram of a pneumatic motor assembly; Figure 5 This is a schematic diagram of the motion table components; Figure 6 This is a schematic diagram of the workpiece in the example. Detailed Implementation

[0014] The present invention will be further described below with reference to the accompanying drawings and embodiments, but this should not be construed as limiting the present invention.

[0015] Example 1. A miniature automatic lifting and rotating worktable, see [link to example]. Figures 1-6 The system includes a fixed base 1, a lifting assembly 2 fixed on the central shaft of the fixed base 1, a top end of the lifting assembly 2 connected to a rotating assembly 3, and a rotating assembly 3 connected to a worktable assembly 4. The lifting assembly 2 includes a double-acting pneumatic cylinder 21. The rodless chamber and the rod chamber of the double-acting pneumatic cylinder 21 are respectively connected to the air inlets A and B of the lifting pneumatic control two-position five-way reversing valve 22. The pneumatic control ends a and b of the lifting pneumatic control two-position five-way reversing valve 22 are respectively connected to the air source through the up button manual valve 23 and the down button manual valve 24. The air inlet P of the lifting pneumatic control two-position five-way reversing valve 22 is connected to the air source. The piston rod 25 of the double-acting pneumatic cylinder 21 is connected to the rotating assembly 3.

[0016] The aforementioned rotating component 3 includes a cage-shaped support frame 31, with a pneumatic motor 32 at its center. The shaft of the pneumatic motor 32 is connected to the worktable assembly 4. The two air ports of the pneumatic motor 32 are respectively connected to the air ports A and B of the rotary pneumatic control two-position five-way reversing valve 33. The pneumatic control ends a and b of the rotary pneumatic control two-position five-way reversing valve 33 are respectively connected to the air source via the clockwise foot pedal valve 34 and the counterclockwise foot pedal valve 35. The air inlet P of the rotary pneumatic control two-position five-way reversing valve 33 is connected to the air source. The bottom of the cage-shaped support frame 31 is connected to the piston rod 25.

[0017] The aforementioned workbench assembly 4 includes a base 41, a rotating sleeve 42 rotatably connected to the center of the base 41, a rotating core rod 43 rotatably connected inside the rotating sleeve 42, a workbench 44 at the top of the rotating core rod 43, and the rotating sleeve 42 and the rotating core rod 43 are constrained in rotational freedom by limiting screws 45; the rotating sleeve 42 is connected to the shaft of the pneumatic motor 32.

[0018] A planar thrust bearing 46 is provided between the top of the aforementioned pedestal 41 and the cage-shaped support 31.

[0019] The exhaust ports R1 and R2 of the aforementioned lifting pneumatic two-position five-way reversing valve 22 and rotary pneumatic two-position five-way reversing valve 33 are all equipped with silencers.

[0020] The aforementioned piston rod 25 is also provided with linear bearings 26 on both sides. The linear bearings 26 are slidably connected to the linear guide shaft 27, and the linear guide shaft 27 is connected to the bottom of the cage support 31.

[0021] The aforementioned double-acting pneumatic cylinder 21 has an exhaust throttle valve 28 at the interface between the rodless chamber and the rod chamber.

[0022] In use, place the workpiece on the worktable 44, press the up / down button manual valve, and the double-acting pneumatic cylinder 21 drives the worktable 44 to rise / fall to the appropriate position. Step on the clockwise / counterclockwise foot pedal valve, and the pneumatic motor 32 drives the worktable 44 to rotate clockwise / counterclockwise, thereby driving the workpiece to rotate automatically for painting.

[0023] For workpieces with complex shapes and internal cavities, the pneumatic motor 32 stops working, the limiting screw 45 is loosened, and the worktable 44 is manually rotated for painting.

Claims

1. A miniature automatic lifting and rotating worktable, characterized in that, The system includes a fixed base (1), a lifting assembly (2) fixed on the central shaft of the fixed base (1), the top of the lifting assembly (2) connected to the rotating assembly (3), and the rotating assembly (3) connected to the worktable assembly (4); the lifting assembly (2) includes a double-acting pneumatic cylinder (21), the rodless chamber and the rod chamber of the double-acting pneumatic cylinder (21) are respectively connected to the air inlets A and B of the lifting pneumatic control two-position five-way reversing valve (22), the pneumatic control ends a and b of the lifting pneumatic control two-position five-way reversing valve (22) are respectively connected to the air source through the up button manual valve (23) and the down button manual valve (24), and the air inlet P of the lifting pneumatic control two-position five-way reversing valve (22) is connected to the air source; the piston rod (25) of the double-acting pneumatic cylinder (21) is connected to the rotating assembly (3).

2. The miniature automatic lifting and rotating worktable according to claim 1, characterized in that, The rotating assembly (3) includes a cage-shaped support frame (31), and a pneumatic motor (32) is provided at the center of the cage-shaped support frame (31). The shaft of the pneumatic motor (32) is connected to the worktable assembly (4). The two air ports of the pneumatic motor (32) are respectively connected to the air ports A and B of the rotary pneumatic control two-position five-way reversing valve (33). The pneumatic control ends a and b of the rotary pneumatic control two-position five-way reversing valve (33) are respectively connected to the air source via the clockwise foot pedal valve (34) and the counterclockwise foot pedal valve (35). The air inlet P of the rotary pneumatic control two-position five-way reversing valve (33) is connected to the air source. The bottom of the cage-shaped support frame (31) is connected to the piston rod (25).

3. The miniature automatic lifting and rotating worktable according to claim 2, characterized in that, The workbench assembly (4) includes a base (41), a rotating sleeve (42) is rotatably connected to the center of the base (41), a rotating core rod (43) is rotatably connected inside the rotating sleeve (42), and a workbench (44) is provided at the top of the rotating core rod (43). The rotating sleeve (42) and the rotating core rod (43) are constrained by limiting screws (45). The rotating sleeve (42) is connected to the shaft of the pneumatic motor (32).

4. The miniature automatic lifting and rotating worktable according to claim 3, characterized in that, A planar thrust bearing (46) is provided between the top of the pedestal (41) and the cage-shaped support (31).

5. The miniature automatic lifting and rotating worktable according to claim 2, characterized in that, The exhaust ports R1 and R2 of the lifting pneumatic two-position five-way reversing valve (22) and the rotary pneumatic two-position five-way reversing valve (33) are equipped with silencers.

6. The miniature automatic lifting and rotating worktable according to claim 2, characterized in that, The piston rod (25) is also provided with linear bearings (26) on both sides. The linear bearings (26) are slidably connected to the linear guide shaft (27), and the linear guide shaft (27) is connected to the bottom of the cage support (31).

7. The miniature automatic lifting and rotating worktable according to claim 1, characterized in that, The rodless chamber and rod chamber interface of the double-acting pneumatic cylinder (21) are equipped with exhaust throttle valves (28).

Images