CN206677786U - Automatic sand spurting device - Google Patents

Abstract

The utility model discloses an automatic sandblasting device, which comprises a rotating worktable and a pneumatic sandblasting mechanism that cooperate with each other; the rotating worktable rotates the processed parts on it, and the pneumatic sandblasting Sandblasting is realized while the nozzle moves up and down and rotates 90° on the plane. The utility model is intelligent, self-adaptive, completes one-time complete sandblasting of the workpiece, improves the efficiency of sandblasting, reduces the labor intensity of workers, avoids workers working in harsh environments, and has high automation, sensitive and quick control, and is safe and reliable. high sex.

Description

Automatic sandblasting device

technical field

The utility model relates to a sand blasting device, in particular to an automatic sand blasting device.

Background technique

Valve parts are used in Christmas trees and wellhead devices, and the valve surface needs to have excellent performance. The automatic sandblasting device is a device that automatically completes the sandblasting of valves and other processed parts. It uses compressed air as the power to form a high-speed jet beam, sprays the spray material at high speed on the surface of the workpiece to be processed, and uses the impact of high-speed sand flow to clean it. And roughen the surface of the substrate, so that the outer surface or shape of the workpiece changes. Due to the impact and cutting effect of the abrasive on the surface of the workpiece, the surface of the workpiece can obtain a certain degree of cleanliness and different roughness, so that the performance of the surface of the workpiece can be improved, so the fatigue resistance of the workpiece can be improved, and the distance between it and the coating can be increased. Adhesion, prolonging the durability of the coating film, and also beneficial to the leveling and decoration of the coating.

Most of the current sandblasting work is manual sandblasting, which is very harmful to the human body, and the efficiency is not high, and it requires complicated clamping and inconvenient positioning. Fully automatic sandblasting machines and mechanical arm sandblasting machines will definitely be the first choice for manufacturers to develop or introduce, because these products have overwhelming advantages in market competition. Combined with the environmental protection and low carbon that the world is more and more concerned about, low power consumption, high environmental protection and wet sandblasting technology will develop and popularize more rapidly in the future. At present, there is a large domestic demand for intelligent, high-efficiency mid-to-high-end sandblasting machines, and the current domestic industrial development momentum is good, so there is a great demand for these equipment.

Contents of the invention

The purpose of this utility model is: to provide an automatic sandblasting device, which is intelligent and self-adaptive, and completes the one-time complete sandblasting of the workpiece, improves the efficiency of sandblasting, reduces the labor intensity of workers, and prevents workers from working in harsh environments. It can work under the environment with high degree of automation, sensitive and fast control, and high safety and reliability.

The technical solution of the utility model is: the automatic sandblasting device includes a rotating workbench and a pneumatic sandblasting mechanism that cooperate with each other; the pneumatic sandblasting mechanism consists of a No. 1 pneumatic cylinder, an L-shaped fixed plate, a No. Composed of connecting rods, guide rails and sand blasters, rollers are installed under the bottom plate of the L-shaped fixed plate, guide rails are installed vertically above the bottom plate of the L-shaped fixed plate, and the cylinder rod of the No. 1 air cylinder is connected to the side plate of the L-shaped fixed plate The No. 2 pneumatic cylinder is installed on the side plate of the L-shaped fixed plate, and one end of the two connecting rods is installed on the cylinder rod of the No. Installed on the guide rail, the sand blaster is installed on the guide block; the rotary table includes a protection boss, a cushion table, a T-shaped table, a pneumatic cylinder, a frame and a reducer, and the output shaft of the reducer passes through the coupling The device is connected to the column of the T-shaped workbench. The table of the T-shaped workbench is located on the top surface of the frame through rolling bearings. The pad is clamped in the center of the table of the T-shaped workbench. The top of the air pressure rod is installed with a thread to protect the boss.

Wherein, the protective boss includes steel balls, springs, the main body of the protective boss and bolts, the top surface of the main body of the protective boss is rounded, and three groups of steel balls and springs are installed in the main body of the protective boss at 120° through bolts.

Wherein, the sand blaster includes a No. 3 air cylinder, a nozzle and a mounting plate, the No. 3 air cylinder and the mounting plate are fixed on the guide block, the piston rod of the No. 3 air cylinder is threadedly connected with the tail positioning rod of the nozzle, and the nozzle The middle positioning rod and the mounting plate are fixed with bolts.

The utility model has the following advantages:

1. The rotation of the T-shaped table is controlled by the worm gear reducer, which can effectively prevent the table from reversing.

2. According to the distance between the nozzle and the parts, use the No. 1 pneumatic cylinder, No. 2 cylinder and No. 3 cylinder to control the up and down movement of the nozzle and the rotation of a certain angle in the vertical direction.

3. When the sand blasting device is working, when the working surface rotates, the parts are driven to rotate, and the nozzle is used to perform sandblasting in a horizontal direction, and then according to the distance between the parts and the nozzle when rotating, the air cylinder is used to control the nozzle in the next horizontal direction of sandblasting. According to the position and angle of the part, and so on, the two symmetrical nozzles move to the center of the part at the same time to realize the complete sandblasting of the part from the upper and lower sides to the middle.

4. When the sandblasting device is working, choose a suitable pad according to the size of the parts to ensure that the nozzle can spray to the bottom of the part when the sandblasting device is working, avoiding collision with the workbench.

5. According to the size of the hole diameter of the valve parts, select a suitable protective boss, let the inner hole of the part contact the steel ball of the boss, and use the spring inside the steel ball to ensure that the inner hole of the part is not damaged.

6. When the sandblasting device is working, ensure that the position of the nozzle is in the horizontal direction required for sandblasting of valve parts. Within the effective range of sandblasting of the nozzle, the nozzle does not collide with the parts and the workbench. When the valve parts rotate, ensure that The position of the parts remains unchanged when subjected to sandblasting force, and the inner holes of valve parts are not damaged.

7. The utility model uses the loading trolley to send valve parts to the workbench to ensure that the height of the workbench can meet the height reached by the trolley. When the sandblasting of the parts is completed, the pneumatic cylinder can be used to move the protective boss down to the inside of the workbench, without Affect the loading and unloading of valve parts.

8. Two nozzles are used for sand blasting at the same time, and the sand blasting is completed at one time, which reduces the labor intensity of the operator and improves the production efficiency.

9. The utility model controls the nozzle to rotate at a certain angle through the pneumatic cylinder, so that it can realize sandblasting at some corners and ensure uniform sandblasting of valve parts.

10. The protection boss uses steel balls and springs to protect the inner holes of valve parts, ensuring the integrity and parameter requirements of valve parts after sandblasting.

11. The No. 1 pneumatic cylinder drives the L-shaped fixed plate to control the symmetrical nozzles to move forward and backward. The two nozzles are in a symmetrical relationship with the piston rod of the No. 2 pneumatic cylinder. There is a small three-point nozzle at each nozzle. No. 1 pneumatic cylinder, through the up and down movement of the piston rod of this small pneumatic cylinder, the vertical rotation of the nozzle is controlled.

12. The expansion and contraction of the piston rod of the No. 1 pneumatic cylinder drives the fixed plate and all the accessories above to move through the rollers; when the piston rod of the No. 2 pneumatic cylinder moves back and forth, the nozzle on the upper part of the nozzle device moves upward on the guide rail through the symmetrical connecting rod Move, the nozzle of the lower part of the nozzle device moves down on the guide rail.

Description of drawings

Fig. 1 is a three-dimensional schematic diagram of the structure of the utility model.

FIG. 2 is a schematic cross-sectional view along the line A-A of FIG. 1 .

Fig. 3 is an enlarged schematic diagram of the protection boss structure of the present invention.

FIG. 4 is a schematic cross-sectional view along the B-B direction of FIG. 3 .

Fig. 5 is an enlarged front view of the nozzle structure of the present invention.

Fig. 6 is an enlarged top view of the nozzle structure of the present invention.

In the figure: 1 No. 1 pneumatic cylinder, 2 L-shaped fixed plate, 3 No. 2 pneumatic cylinder, 4 connecting rod, 5 guide rail, 6 sand blaster, 7 parts, 8 protective boss, 9 pad, 10 T-shaped workbench , 11 rolling bearing, 12 pneumatic cylinder, 13 coupling, 14 frame, 15 reducer, 101 steel ball, 102 spring, 103 main body of protection boss, 104 bolt, 201 No. 3 pneumatic cylinder, 202 piston rod, 203 nozzle, 204 Mounting plate, 205 tail positioning rods, 206 middle positioning rods.

detailed description

The following structural drawings further illustrate the technical solution of the utility model.

As shown in Figures 1 and 2, the automatic sandblasting device includes a rotating workbench and a pneumatic sandblasting mechanism that cooperate with each other; the pneumatic sandblasting mechanism is composed of a No. 3. Connecting rod 4, guide rail 5 and sand blaster 6 are composed, rollers are installed under the bottom plate of L-shaped fixed plate 2, guide rail 5 is vertically installed on the bottom plate of L-shaped fixed plate 2, and the cylinder rod of No. 1 pneumatic cylinder 1 is connected On the side plate of the L-shaped fixed plate 2, the No. 2 pneumatic cylinder 3 is installed on the side plate of the L-shaped fixed plate 2, and one end of the two connecting rods 4 is installed on the cylinder rod of the No. 2 pneumatic cylinder 3 through the connecting block. The other ends of the two connecting rods 4 are respectively equipped with guide blocks, the guide blocks are installed on the guide rail 5, and the sand blaster 6 is installed on the guide blocks; Table 10, pneumatic cylinder 12, frame 14 and speed reducer 15, the output shaft of speed reducer 15 connects the stage column of T-shaped workbench 10 through shaft coupling 13, and the table top of T-shaped workbench 10 is positioned at frame 14 through rolling bearing 11 Top surface, backing platform 9 is clamped on the mesa center of T shape workbench 10, and air cylinder 12 is installed in the column of T shape workbench 10, and the top of the air pressure bar of air cylinder 12 is installed with threaded protection boss 8.

As shown in Figures 3 and 4, the protection boss 8 includes a steel ball 101, a spring 102, a protection boss body 103 and a bolt 104, the top surface of the protection boss body 103 is rounded, and the protection boss body 103 passes through the bolt 104 Three groups of steel balls 101 and springs 102 are installed at 120°.

As shown in Figures 5 and 6, the described sand blaster 6 comprises No. 3 air cylinder 201, nozzle 203 and mounting plate 204, and No. 3 air cylinder 201 and mounting plate 204 are fixed on the guide block, and No. 3 air cylinder 201 The piston rod 202 is threadedly connected with the tail positioning rod 205 of the nozzle 203, and the middle positioning rod 206 of the nozzle 203 is fixed with the mounting plate 204 with bolts.

When the sand blasting device is working: select the appropriate pad 9 and the protection boss 8 according to the size of the valve parts 7 to be blasted, and install the pad 9 in the center of the table of the T-shaped workbench 10. The platform 8 is installed on the piston rod of the pneumatic cylinder 12, and the center of the valve parts 7 that need to be sandblasted is aligned and placed on the pad 9; the gas is injected into the pneumatic cylinder 12 to lift the protection boss 8, and the protection boss 8 rises out. Finally, the air pressure source is disconnected, and a check valve is used to ensure that the protection boss 8 will not drop after the source is disconnected. The protection boss 8 uses the steel ball 101 and the spring 102 to position the valve parts 7 to ensure that its position is not correct when sandblasting. change, and also ensure that the inner hole is not damaged; use the second air cylinder 3 and the connecting rod 4 to move the two symmetrical sandblasting devices 6 to the top and bottom of the valve parts 7 required for sandblasting, to ensure two symmetrical sandblasting The device 6 can be sprayed to the top and bottom of the valve parts 7 during sandblasting, and the No. 1 pneumatic cylinder 1 is used to control the horizontal position of the sandblasting device 6 and the valve parts 7; Drive the T-shaped workbench 10, the pad 9 and the valve parts 7 to rotate. After a certain period of time, the nozzle 203 has completed the sandblasting of the horizontal surface of the valve parts 7; The symmetrical sand blaster 6 moves down a fixed distance to carry out the second sandblasting in the horizontal direction; when necessary, use the No. 3 air cylinder 201 to rotate the nozzle 203 at a certain angle in the vertical direction to ensure that sandblasting reaches some corners and uneven places; when the nozzle 203 needs to rotate at a certain angle, use the No. 3 air cylinder 201 to adjust the tail position of the nozzle, the air cylinder piston rod 202 and the nozzle tail positioning rod 205 are positioned with threads, and the nozzle uses the middle positioning rod 206 and the mounting plate 204 are fixed by bolts. According to the principle of leverage, when the No. 3 pneumatic cylinder 201 rises, the nozzle 203 will rotate downward, and when the No. 3 pneumatic cylinder 201 descends, the nozzle 203 will rotate upward, so as to achieve a certain angle in the vertical direction of the nozzle according to the sequence from top to bottom, sandblast the valve parts 7; after all the sandblasting is completed, stop the sandblasting, move the sandblasting device 6 to a distance, and use the pneumatic cylinder 12 to lower the protective boss 8 , take out the valve parts 7 with a dolly, and finish by sandblasting.

Claims (3)

1. The automatic sandblasting device is characterized in that: it includes a rotating table and a pneumatic sandblasting mechanism that cooperate with each other; the pneumatic sandblasting mechanism is composed of a No. 1 pneumatic cylinder (1), an L-shaped fixed plate (2), No. pneumatic cylinder (3), connecting rod (4), guide rail (5) and sand blaster (6), rollers are installed under the bottom plate of the L-shaped fixed plate (2), and the bottom plate of the L-shaped fixed plate (2) The guide rail (5) is vertically installed above, the cylinder rod of the No. 1 air cylinder (1) is connected to the side plate of the L-shaped fixed plate (2), and the No. 2 air cylinder (3) is installed on the side plate of the L-shaped fixed plate (2). ), one end of the two connecting rods (4) is installed on the cylinder rod of the No. 5), the sand blaster (6) is installed on the guide block; the rotary table includes a protection boss (8), a pad (9), a T-shaped table (10), a pneumatic cylinder (12), Frame (14) and speed reducer (15), the output shaft of speed reducer (15) connects the stage post of T-shaped workbench (10) through shaft coupling (13), the table top of T-shaped workbench (10) passes rolling bearing ( 11) Located on the top surface of the frame (14), the pad (9) is clamped in the center of the table of the T-shaped workbench (10), and the pneumatic cylinder (12) is installed in the column of the T-shaped workbench (10). The top of the air pressure rod of (12) is installed with thread to protect the boss (8). 2. The automatic sandblasting device according to claim 1, characterized in that: the protective boss (8) includes a steel ball (101), a spring (102), a main body of the protective boss (103) and a bolt (104) , the top surface of the main body of the protection boss (103) is rounded, and three sets of steel balls (101) and springs (102) are installed in the main body of the protection boss (103) at 120° through bolts (104). 3. The automatic sand blasting device according to claim 1, characterized in that: the sand blaster (6) includes No. 3 air cylinder (201), nozzle (203) and mounting plate (204), No. 3 air pressure The cylinder (201) and the mounting plate (204) are fixed on the guide block, the piston rod (202) of the No. The center positioning rod (206) is fixed with the mounting plate (204) with bolts.