Automatic sand blasting machine

Abstract

The utility model discloses an automatic sand blasting machine, which relates to the technical field of sand blasting machines and comprises a machine body, an electric control box and a conveying platform mechanism penetrating through the machine body, a main machine sand blasting chamber is arranged in the machine body, a swing mechanism is arranged in the main machine sand blasting chamber, a spray gun fixing mechanism is mounted on the swing mechanism, and the spray gun fixing mechanism is connected with the electric control box. And an overturning assembly is arranged below one side of the swinging mechanism. According to the sand blowing device, after a machined part is fed into the blowing area through the conveying belt, an electric telescopic rod of the overturning assembly pushes a rubber plate to move towards the machined part, clamping of the machined part is achieved, the machined part is driven to move upwards through an electric sliding base, overturning of the machined part is completed through work of a rotating motor, and meanwhile sand blowing work is conducted on the machined part through a blowing nozzle. And therefore, the sand blowing cleanliness of the machined part is improved, sand cannot be retained in the groove in the surface of the machined part, the sand retained in the groove of the machined part does not need to be manually treated in a taking and placing area, the unloading efficiency is improved, and high practicability is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of sandblasting machines, in particular to an automatic sandblasting machine. Background Art

[0002] The sandblasting machine uses compressed air as the power to form a high-speed jet beam, which sprays sand particles (copper ore sand, quartz sand, iron sand, sea sand, corundum, etc.) at high speed onto the surface of the workpiece to be processed, so that the appearance of the outer surface of the workpiece changes. Due to the impact and cutting action of the sand particles on the workpiece surface, the workpiece surface acquires a certain degree of cleanliness and roughness, which improves the mechanical properties of the workpiece surface, and also improves the fatigue strength of the workpiece, increases the adhesion between it and the coating, and prolongs the durability of the coating.

[0003] After the existing sandblasting machine sandblasts the workpiece, the grooves on the surface of the workpiece will carry some sand out of the equipment. The workpiece needs to be manually turned over and the sand retained in the grooves on the surface of the workpiece needs to be cleaned, which is time-consuming and labor-intensive, has a low degree of automation, and is less practical. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide an automatic sandblasting machine in view of the current status of the prior art.

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

[0006] An automatic sandblasting machine comprises a machine body, an electric control box, and a conveying platform mechanism which is arranged through the machine body, a main machine sandblasting chamber is arranged inside the machine body, a swing mechanism is arranged inside the main machine sandblasting chamber, a spray gun fixing mechanism is installed on the swing mechanism, a flip assembly is arranged below one side of the swing mechanism, the flip assembly comprises a linear slide rail, an electric slide seat and an electric telescopic rod, a rubber plate is arranged at the telescopic end of the electric telescopic rod, an infrared sensor is arranged below the inner side of the rubber plate, and a rotating motor is arranged between the electric telescopic rod and the electric slide seat.

[0007] Preferably, the inner surface of the main machine sandblasting chamber is affixed with wear-resistant rubber, a sand separator is arranged inside the main machine sandblasting chamber, one side of the sand separator is connected to a spiral elevator, a sand return bin is installed at the bottom of the machine body, a blowing zone is arranged through one end of the main machine sandblasting chamber, a top feeding spiral machine is installed on one side of the spiral elevator, and an air blowing nozzle is arranged in the blowing zone.

[0008] Preferably, the conveying platform mechanism comprises a conveying belt, a conveying roller and a conveying motor, and a transmission structure is formed between the conveying roller and the conveying motor via a sprocket and a chain.

[0009] Preferably, a mounting bracket is provided at the bottom of the conveying motor, sand falling holes are provided on the surface of the conveying belt, and workpieces are placed on the conveying belt.

[0010] Preferably, the rocking mechanism comprises a rocking arm and a driving motor, an end of the rocking arm is connected to a driving end of the driving motor, and the rocking mechanism is distributed in four groups.

[0011] Preferably, the spray gun fixing mechanism includes a gun rack and a sandblasting gun, the sandblasting guns are distributed in multiple groups, the gun rack and the rocking arm are fixedly connected, and the sandblasting gun is provided with a nozzle.

[0012] Preferably, the linear slide rail is slidably connected to the electric slide seat, and the linear slide rail is fitted on both sides of the inner surface of the blow-cleaning area.

[0013] Preferably, the surface of the rubber plate is in a grid structure, the surface of the rubber plate is provided with an anti-slip rubber strip, and the telescopic end sleeve of the electric telescopic rod is provided with a telescopic sleeve.

[0014] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0015] 1. In the utility model, after the workpiece is sent into the blowing area by the conveyor belt, the rubber plate is pushed toward the workpiece by the electric telescopic rod of the flipping assembly to clamp the workpiece, the workpiece is driven to move upward by the electric slide seat, and the flipping of the workpiece is completed by the rotating motor. At the same time, the air blowing nozzle performs sand blowing on the workpiece, which is beneficial to improve the cleanliness of the sand blowing of the workpiece, so that the sand material will not be retained in the groove on the surface of the workpiece, and there is no need for manual processing of the retained sand material in the workpiece groove in the pick-up and placement area, thereby improving the unloading efficiency and having high practicality.

[0016] 2. In the utility model, a telescopic sleeve is provided at the telescopic end of the electric telescopic rod to connect the rubber plate and the fixed end of the electric telescopic rod, so that the telescopic sleeve can be used to provide protection for the telescopic end of the electric telescopic rod, thereby preventing dust and sand from adhering to the telescopic end of the electric telescopic rod, thereby affecting the use of the electric telescopic rod and its service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional diagram of an automatic sandblasting machine in the utility model;

[0018] Figure 2 It is a schematic diagram of the internal structure of an automatic sandblasting machine in the utility model;

[0019] Figure 3 The utility model is a schematic diagram of the front internal structure of a main machine sandblasting chamber of an automatic sandblasting machine.

[0020] Legend:

[0021] 1. Machine body; 101. Sandblasting room of main machine; 102. Sand separator; 103. Screw elevator; 104. Top feeding screw machine; 105. Sand return bin; 106. Blowing area; 2. Conveying platform mechanism; 201. Conveyor belt; 202. Conveying roller; 203. Sand drop hole; 204. Conveying motor; 205. Mounting frame; 3. Swinging mechanism; 301. Swinging bar; 302. Driving motor; 4. Spray gun fixing mechanism; 401. Gun rack; 402. Sandblasting gun; 403. Nozzle; 5. Electric control box; 6. Flip assembly; 601. Linear slide rail; 602. Electric slide seat; 603. Electric telescopic rod; 604. Infrared sensor; 605. Rubber plate; 606. Rotating motor; 7. Processing parts. DETAILED DESCRIPTION

[0022] 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 of 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.

[0023] In the description of the present invention, it should be noted that the terms "above", "below", "inner wall", "outer wall", "inside", "outside", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0024] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] Please refer to Figure 1-3An automatic sandblasting machine includes a machine body 1, an electric control box 5, and a conveying platform mechanism 2 which is arranged through the machine body 1. A main machine sandblasting chamber 101 is arranged inside the machine body 1, a swing mechanism 3 is arranged inside the main machine sandblasting chamber 101, a spray gun fixing mechanism 4 is installed on the swing mechanism 3, a flip assembly 6 is arranged below one side of the swing mechanism 3, the flip assembly 6 includes a linear slide rail 601, an electric slide seat 602 and an electric telescopic rod 603, a rubber plate 605 is arranged at the telescopic end of the electric telescopic rod 603, an infrared sensor 604 is arranged below the inner side of the rubber plate 605, and a rotating motor 606 is arranged between the electric telescopic rod 603 and the electric slide seat 602.

[0026] By adopting the above technical scheme, when the workpiece 7 is transported to the main machine sandblasting chamber 101 through the conveying platform mechanism 2, the sand material sprayed out by the nozzle 403 is subjected to the sandblasting operation, and then sent to the blowing area 106 through the conveying platform mechanism 2, and the workpiece 7 is clamped and turned through the flip component 6, and the workpiece 7 is sandblasted with the help of the air blowing nozzle, which is beneficial to improve the cleanliness of the sand blowing of the workpiece 7, so that the grooves on the surface of the workpiece 7 will not contain sand material. The structure is simple and practical, and there is no need for manual cleaning of the sand material retained on the surface of the workpiece 7 in the pick-up and placement area, which is beneficial to improve the unloading efficiency of the workpiece 7 and has high practicality.

[0027] Furthermore, the inner surface of the main machine sandblasting chamber 101 is affixed with wear-resistant rubber, a sand separator 102 is arranged inside the main machine sandblasting chamber 101, a spiral elevator 103 is connected to one side of the sand separator 102, a sand return bin 105 is installed at the bottom of the machine body 1, a blowing zone 106 is arranged through one end of the main machine sandblasting chamber 101, a top feeding spiral machine 104 is installed on one side of the spiral elevator 103, an air blowing nozzle is arranged in the blowing zone 106, and the air blowing nozzle is connected to the air path of the external air source device, so as to facilitate the blowing of the retained sand on the surface of the workpiece 7.

[0028] By adopting the above technical scheme, the main machine sandblasting chamber 101 is welded from 3mm cold-rolled steel plates, the outer surface is sprayed with plastic, and the inner surface is protected by wear-resistant rubber. It is connected through the return sand bin 105, the spiral elevator 103 and the top feeding spiral machine 104, which is convenient for recycling the recovered sand. The return sand sub-bin is arranged below the discharge area and the material taking area of ​​the body 1 and is connected to the return sand bin 105. The top is connected to the external exhaust system (the exhaust system can use a fan, a cyclone dust collector or a pulse dust collector), which can effectively separate the dust generated by the processing, prevent the leakage of the processing dust, ensure the high quality and efficiency of the product processing, and reduce the consumption of the sand, providing a good working environment for the operator.

[0029] Furthermore, the conveying platform mechanism 2 includes a conveying belt 201 , a conveying roller 202 and a conveying motor 204 , and a transmission structure is formed between the conveying roller 202 and the conveying motor 204 via a sprocket and a chain.

[0030] Furthermore, a mounting frame 205 is provided at the bottom of the conveying motor 204 , sand-falling holes 203 are provided on the surface of the conveying belt 201 , and a workpiece 7 is placed on the conveying belt 201 .

[0031] By adopting the above technical solution, the workpiece 7 can be easily delivered into the machine body 1 through the conveying platform mechanism 2 to complete the sandblasting operation. In this equipment structure, workers only need to load and unload workpieces, avoiding the harsh conditions of manual sandblasting operations and the instability of cleaning quality, and reducing the labor intensity of workers.

[0032] Furthermore, the swing mechanism 3 includes a swing arm 301 and a driving motor 302 . The end of the swing arm 301 is connected to the driving end of the driving motor 302 . The swing mechanism 3 is distributed in four groups.

[0033] Furthermore, the spray gun fixing mechanism 4 includes a gun rack 401 and a sandblasting gun 402 . The sandblasting gun 402 is distributed in multiple groups. The gun rack 401 is fixedly connected to the rocking arm 301 . A nozzle 403 is provided on the sandblasting gun 402 .

[0034] By adopting the above technical solution, the sandblasting gun 402 on the swing arm 301 is driven by the driving motor 302 to swing back and forth, thereby ensuring that the surface of the workpiece 7 is uniform after sandblasting and meeting the sandblasting effect requirements of the product. Most of the operating parts in the equipment are galvanized, blackened, and painted, which are both anti-corrosive and beautiful. The sandblasting gun 402 is provided with an air circuit and an air circuit valve, and the air circuit is connected to an external air compression device to provide a power source for the sandblasting work. By arranging multiple groups of sandblasting guns 402 at the upper and lower locations of the conveyor belt 201 in the main machine sandblasting chamber 101, it is convenient to realize sandblasting on the upper and lower surfaces of the workpiece 7, and through the sand falling holes 203 arranged on the conveyor belt 201, the sand on the workpiece 7 can fall back into the sand return bin 105 for convenient recycling and reuse.

[0035] Furthermore, the linear slide rail 601 is slidably connected to the electric slide seat 602 , and the linear slide rail 601 is closely disposed on both sides of the inner surface of the blowing area 106 .

[0036] By adopting the above technical solution, the electric slide 602 can move up and down on the linear slide rail 601, thereby facilitating the adjustment of the position of the rubber plate 605, and providing convenient clamping and flipping for workpieces 7 of different heights, which is highly practical.

[0037] Furthermore, the surface of the rubber plate 605 is in a grid structure, the surface of the rubber plate 605 is provided with anti-skid rubber strips, and the telescopic end sleeve of the electric telescopic rod 603 is provided with a telescopic sleeve.

[0038] By adopting the above technical solution, through the grid structure of the rubber plate 605, the infrared sensor 604 on the inner wall of the rubber plate 605 can detect the position of the workpiece 7 on the conveyor belt 201. The control circuit of the electric telescopic rod 603 is provided with a signal receiving module. If the infrared sensor 604 detects an object, the detection signal is sent to the electric telescopic rod 603, so that the electric telescopic rod 603 works, thereby facilitating the clamping of the workpiece 7. Through the provision of the telescopic sleeve, a protective function is provided for the telescopic end of the electric telescopic rod 603.

[0039] Working principle: when in use, firstly, the power supply of the equipment is turned on, and the compressed air source is turned on to start the equipment in the machine body 1, and then, the workpiece 7 is manually placed on the feeding end of the conveying platform mechanism 2 of the machine body 1, and then, the conveying motor 204 is operated, so that the conveyor belt 201 conveys the workpiece 7 to the sandblasting processing position in the main machine sandblasting chamber 101, and the sand material sprayed by the nozzle 403 is used to perform sandblasting on the workpiece 7, and the sandblasting gun 402 on the rocking arm 301 is driven by the driving motor 302 to swing back and forth, so as to ensure that the surface of the workpiece 7 is uniform after sandblasting and meet the requirements of the product sandblasting effect, and then, the workpiece 7 after sandblasting enters the blowing area 106, and the workpiece 7 is clamped and flipped by the flip assembly 6. The sand blowing work is completed on the workpiece 7 through the air blowing nozzle, which is beneficial to improving the cleanliness of the sand blowing of the workpiece 7, so that no sand material will be retained in the groove on the surface of the workpiece 7. The structure is simple and practical, and there is no need to manually blow away the sand material retained in the groove on the surface of the workpiece 7 in the pick-up and placement area, which is beneficial to improving the unloading efficiency of the workpiece 7 and has high practicality. Finally, the workpiece 7 is taken out from the discharging and placing area of ​​the machine body 1 manually, and the next processing program is cycled to form a continuous working state with a high degree of automation (it should be noted that the specific model specifications of the electrical parts involved in this scheme need to be selected and determined according to the actual specifications of the device, and the specific selection calculation method adopts the existing technology in this field, so it will not be described in detail).

[0040] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An automatic sandblasting machine, comprising a machine body (1), an electric control box (5), and a conveying platform mechanism (2) disposed through the machine body (1), characterized in that: A main machine sandblasting chamber (101) is arranged inside the machine body (1), a swing mechanism (3) is arranged inside the main machine sandblasting chamber (101), a spray gun fixing mechanism (4) is installed on the swing mechanism (3), a flip assembly (6) is arranged below one side of the swing mechanism (3), the flip assembly (6) comprises a linear slide rail (601), an electric slide seat (602) and an electric telescopic rod (603), a rubber plate (605) is arranged at the telescopic end of the electric telescopic rod (603), an infrared sensor (604) is arranged below the inner side of the rubber plate (605), and a rotating motor (606) is arranged between the electric telescopic rod (603) and the electric slide seat (602).

2. The automatic sandblasting machine according to claim 1, characterized in that: The inner surface of the main machine sandblasting chamber (101) is covered with wear-resistant rubber, a sand separator (102) is arranged inside the main machine sandblasting chamber (101), one side of the sand separator (102) is connected to a spiral elevator (103), a sand return bin (105) is installed at the bottom of the machine body (1), a blowing area (106) is arranged through one end of the main machine sandblasting chamber (101), a top feeding spiral machine (104) is installed on one side of the spiral elevator (103), and an air blowing nozzle is arranged in the blowing area (106).

3. The automatic sandblasting machine according to claim 1, characterized in that: The conveying platform mechanism (2) comprises a conveying belt (201), a conveying roller (202) and a conveying motor (204); a transmission structure is formed between the conveying roller (202) and the conveying motor (204) via a sprocket and a chain.

4. The automatic sandblasting machine according to claim 3, characterized in that: A mounting frame (205) is provided at the bottom of the conveying motor (204), a sand removal hole (203) is provided on the surface of the conveying belt (201), and a workpiece (7) is placed on the conveying belt (201).

5. The automatic sandblasting machine according to claim 1, characterized in that: The swing mechanism (3) comprises a swing arm (301) and a drive motor (302); the end of the swing arm (301) is connected to the drive end of the drive motor (302); and the swing mechanism (3) is distributed in four groups.

6. The automatic sandblasting machine according to claim 1, characterized in that: The spray gun fixing mechanism (4) comprises a gun rack (401) and a sandblasting gun (402). The sandblasting guns (402) are distributed in multiple groups. The gun rack (401) is fixedly connected to the rocking arm (301). The sandblasting gun (402) is provided with a nozzle (403).

7. The automatic sandblasting machine according to claim 1, characterized in that: The linear slide rail (601) is slidably connected to the electric slide seat (602), and the linear slide rail (601) is arranged in close contact with both sides of the inner surface of the blowing area (106).

8. The automatic sandblasting machine according to claim 1, characterized in that: The surface of the rubber plate (605) is in a grid structure, the surface of the rubber plate (605) is provided with an anti-slip rubber strip, and the telescopic end sleeve of the electric telescopic rod (603) is provided with a telescopic sleeve.

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