CN116372820A - Automatic sand blasting machine for plastic parts - Google Patents

Abstract

The invention discloses an automatic sand blasting machine for plastic parts, which relates to the technical field of sand blasting and comprises a feeding component, a sand blasting component, a rack and a recovery component which are sequentially arranged from top to bottom; the output end of the feeding component is communicated with the sand blasting component; the spraying direction of the sand spraying assembly is adjustable; the plastic part is conveyed to the lower part of the sand blasting assembly through the conveying assembly, the feeding assembly conveys sand materials to the sand blasting assembly, the sand blasting assembly performs sand blasting treatment on the plastic part, after sand blasting is completed, the conveying assembly conveys out the plastic part subjected to sand blasting, redundant sand materials in the sand blasting process fall into the recycling assembly through holes in the mesh belt, all working procedures in the sand blasting process are automatically completed, production efficiency is improved, the recycling assembly can recycle the sand materials, and production cost is reduced.

Description

An automatic sandblasting machine for plastic parts

technical field

The invention belongs to the technical field of sandblasting equipment, in particular to an automatic sandblasting machine for plastic parts.

Background technique

In the manufacturing process of the workpiece, in order to increase the corrosion resistance of the workpiece, it is often necessary to carry out spraying treatment. the adhesion between them.

There are mainly two modes in the existing sandblasting process, one is manual operation of a gas sandblasting gun connected to a sandblasting tank, and the speed of sand particles flying in this device is fast. The other is the sandblasting operation of the rotating blade of the ultra-long sandblasting gun, and the flying speed of the sand particles in this kind of operation is slow. Among them, manual work also has the problems of uneven sandblasting work surface and low continuous production efficiency. However, the cutting force of the sand blasting by the super-long sandblasting gun is smaller than that of the gas jet, so there is a problem of low production efficiency, and because of the volume of the blasting head, there is a problem of low adaptability.

Therefore, the present invention provides an automatic sandblasting machine for plastic parts to solve the problems raised in the above background technology.

Contents of the invention

The object of the present invention is to provide an automatic sandblasting machine for plastic parts to solve at least one aspect of the problems and defects raised in the above-mentioned background technology.

According to one aspect of the present invention, an automatic sandblasting machine for plastic parts is provided, comprising a feeding assembly, a sandblasting assembly, a frame and a recycling assembly arranged in sequence from top to bottom; The components are connected and are used to deliver sand to the sandblasting component; the spraying direction of the sandblasting component can be adjusted; the conveying component is provided in the frame, and the conveying component includes a driving roller and a The passive roller, the active roller and the passive roller are connected through a mesh belt, and a plurality of through holes are evenly distributed on the mesh belt; the recovery component corresponds to the position of the sandblasting component, and is used to collect the through holes Falling sand.

The plastic parts are transported to the bottom of the sandblasting assembly through the conveying assembly, and the feeding assembly conveys the sand material to the sandblasting assembly, and the sandblasting assembly performs sandblasting on the plastic parts. During the blasting process, the excess sand material will fall into the recovery assembly through the through holes on the mesh belt. All the processes in the invention are automatically completed, which improves the production efficiency, and the recovery assembly can also recycle the sand material. Utilization reduces the production cost.

According to another exemplary embodiment of the present invention, the sandblasting assembly includes a sandblasting hood arranged in the middle of the frame, and two groups of sandblasting groups arranged oppositely are arranged inside the sandblasting hood, and the sandblasting groups It includes a movable rod that is movably connected with the side wall of the sandblasting hood, and a plurality of sandblasting guns are hinged on the movable rod, and each sandblasting gun is connected with a high-pressure air source, and each sandblasting gun is connected to the outlet The feed end is connected.

The two groups of sandblasting guns can blast multiple plastic parts at the same time, which further improves the production efficiency. The movable rod drives the sandblasting guns up and down, which can make the sandblasting more uniform and improve the production effect.

According to another exemplary embodiment of the present invention, each sandblasting gun corresponds to an independent high-pressure air source, and a pressure gauge and a pressure regulating valve are provided on the communication pipe between each sandblasting gun and the high-pressure air source.

Utilize the high-speed flow of compressed air in the sandblasting gun to form a negative pressure to generate ejection. The sandblasting covers a wide area. The barometer can monitor the sandblasting process. By setting different air pressure combinations, it can adapt to various sandblasting requirements. Enhanced adaptability.

According to another exemplary embodiment of the present invention, the movable rod is vertically connected with a pull rod, the top of the sandblasting hood is also provided with a motor, and the output end of the motor is provided with a rotating disc, and the rotating disc is close to the outer circumference A connecting shaft is arranged at the place, and the connecting shaft is hinged with the pull rod.

The rotation of the rotating disk makes the pull rod move up and down, so that the movable rod drives the sandblasting gun up and down, and sandblasting without difference in vertical height can be realized by controlling the motor, which is easy to use and easy to control.

According to another exemplary embodiment of the present invention, the feed assembly includes a feed hopper arranged on the top of the sandblasting assembly, a screen is provided at the inlet of the feed hopper, and the discharge of the feed hopper There are multiple output pipes at the end, and each output pipe is connected with the sand blasting assembly.

According to another exemplary embodiment of the present invention, on-off valves are provided on the output pipelines.

The screen screen filters the sand entering the feeding hopper, and the filtered sand is transported from the output pipeline to the sandblasting assembly, and the timing of the sand delivery is controlled by the switch valve to avoid premature delivery and solidification in the delivery pipeline.

According to another exemplary embodiment of the present invention, the middle part of the frame is provided with a cavity for placing the conveying assembly, and both ends of the frame are provided with a placing platform, and the surface of the placing platform is equal to the top surface of the mesh belt. together.

The placing platform can be used to prevent utensils containing plastic parts, etc. The plastic parts can be placed on the placing platform before sandblasting, and can be directly inserted into the mesh belt by pushing inward through the placing platform.

According to another exemplary embodiment of the present invention, the recovery component includes a recovery hopper, the recovery hopper is arranged at the bottom of the cavity, and a recovery drawer is detachably installed on the bottom of the recovery hopper, which is convenient for regularly pulling out the recovery drawer. The collected sand is recycled.

According to another exemplary embodiment of the present invention, it also includes a control interface, the control interface is electrically connected with the on-off valve, the pressure regulating valve, the motor and the conveying assembly, and the flow of each sandblasting gun and the conveying pipeline is controlled through the control interface. The switch controls the amount of blasting, and the control interface can also control the start and stop of the motor to adjust the blasting height of the blasting gun, and control the conveying speed of the conveying components to adjust the blasting efficiency.

Description of drawings

In order to facilitate the understanding of those skilled in the art, the present invention will be further described below in conjunction with the accompanying drawings.

Fig. 1 is the overall schematic diagram of a kind of automatic sandblasting machine for plastic parts;

Fig. 2 is a schematic structural view of the conveying assembly in an automatic sandblasting machine for plastic parts;

Fig. 3 is a structural schematic diagram of a sandblasting assembly in an automatic sandblasting machine for plastic parts.

In the figure: 1. rack; 2. conveying component; 3. sandblasting component; 4. feeding component; 5. recycling component; 21. driving roller; 22. passive roller; 23. mesh belt; 233. through hole; 31. Movable rod; 32. Sandblasting gun; 33. Pull rod; 51. Recovery drawer.

Detailed ways

In order to make the object, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be further described in detail through the following embodiments and in conjunction with the accompanying drawings. In the specification, the same or similar reference numerals designate the same or similar components. The following description of the embodiments of the present invention with reference to the accompanying drawings is intended to explain the general inventive concept of the present invention, and should not be construed as limiting the automatic sandblasting machine for plastic parts of the present invention.

In addition, in the following detailed description, for purposes of explanation, numerous specific details are set forth in order to provide a comprehensive understanding of the embodiments of the present disclosure. It may be evident, however, that one or more embodiments may be practiced without these specific details. In other instances, well-known structures and devices are shown in diagrammatic form to simplify the drawings.

According to a general technical idea of the present invention, as shown in Fig. 1-3, provide a kind of automatic sandblasting machine of plastic parts, comprise feeding assembly 4, sandblasting assembly 3, frame 1 and recycling Component 5; the output end of the feeding component 4 is connected with the sand blasting component 3, and is used to deliver sand to the sand blasting component 3; the spraying direction of the sand blasting component 3 can be adjusted; The assembly 2 includes a driving roller 21 and a passive roller 22 which are rotatably arranged in the frame 1, and the driving roller 21 and the passive roller 22 are connected through a mesh belt 23, and a plurality of through holes 233 are evenly distributed on the mesh belt 23; The position of the sand assembly 3 is corresponding, and is used for collecting the sand falling from the through hole 233 of the mesh belt 23 .

The plastic parts are transported to the bottom of the sandblasting assembly 3 through the conveying assembly 2, and the feeding assembly 4 conveys the sand material to the sandblasting assembly 3, and the sandblasting assembly 3 performs sandblasting on the plastic parts. After the sandblasting is completed, the conveying assembly 2 The sandblasting plastic parts will be completed, and the redundant sand material will fall into the recovery assembly 5 through the through hole 233 on the mesh belt 23 in the sandblasting process. All the processes in the present invention are automatically completed, which improves the production efficiency, and The recycling component 5 can also recycle the sand material, which reduces the production cost.

In this embodiment, the sandblasting assembly 3 includes a sandblasting cover arranged in the middle of the frame 1. Two groups of sandblasting groups arranged oppositely are arranged in the sandblasting cover. A plurality of sandblasting guns 32 are hinged on the rod 31, and each sandblasting gun 32 is connected with a high-pressure air source, and each sandblasting gun 32 is connected with the discharge end of the feeding assembly 4.

The two groups of sandblasting guns 32 can blast multiple plastic parts at the same time, which further improves the production efficiency. The movable rod 31 drives the sandblasting guns 32 up and down, which can make the sandblasting more uniform and improve the production effect.

Further, each sandblasting gun 32 corresponds to an independent high-pressure air source, and the communication pipe between each sandblasting gun 32 and the high-pressure air source is provided with an air pressure gauge and a pressure regulating valve.

Use compressed air to flow at high speed in the sandblasting gun 32 to form a negative pressure to generate ejection effect. The sandblasting covers a wide area. The barometer can monitor the sandblasting process. By setting different air pressure combinations, it can adapt to various sandblasting requirements. , enhanced adaptability.

In one embodiment, the movable rod 31 is vertically connected with a pull rod 33, and the top of the sandblasting cover is also provided with a motor, and the output end of the motor is provided with a rotating disk, and a connecting shaft is arranged near the outer circumference of the rotating disk, and the connecting shaft is hinged to the pull rod 33 .

The rotation of the rotating disk makes the pull rod 33 move up and down, so that the movable rod 31 drives the sandblasting gun 32 to lift up and down, and sandblasting is carried out indiscriminately on the vertical height, which can be realized by controlling the motor, which is simple to use and easy to control.

Further, the feed assembly 4 includes a feed hopper arranged on the top of the sandblasting assembly 3, the inlet of the feed hopper is provided with a screen, and the discharge end of the feed hopper is provided with a plurality of output pipes, each output pipe It communicates with the sandblasting assembly 3, and the output pipelines are equipped with on-off valves.

The screen screen filters the sand entering the feeding hopper, and the filtered sand is transported from the output pipeline to the sandblasting unit 3, and the timing of the sand delivery is controlled by the switch valve to avoid premature delivery and solidification in the delivery pipeline .

In this embodiment, a cavity for placing the conveying assembly 2 is provided in the middle of the frame 1 , and a placing platform is provided at both ends of the frame 1 , and the surface of the placing platform is flush with the top surface of the mesh belt 23 .

The placement platform can be used to prevent utensils etc. from holding plastic parts, and the plastic parts can be placed on the placement platform in advance before sandblasting, and can directly enter the net belt 23 by placing the platform inwardly.

Preferably, the recovery component 5 includes a recovery hopper, which is arranged at the bottom of the cavity, and a recovery drawer 51 is detachably installed on the bottom of the recovery hopper, so that the recovery drawer 51 can be pulled out regularly to recover the collected sand.

Further, it also includes a control interface, the control interface is electrically connected with the switching valve, the pressure regulating valve, the motor and the conveying assembly 2, and controls the switch of each sandblasting gun 32 and the conveying pipeline through the control interface to control the amount of sandblasting, The control interface can also control the start and stop of the motor to adjust the sandblasting height of the sandblasting gun 32, and control the conveying speed of the conveying assembly 2 to adjust the sandblasting efficiency.

The specific embodiments described above have further described the purpose, technical solutions and beneficial effects of the present invention in detail. It should be understood that the above descriptions are only specific embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims (9)

1. An automatic sand blasting machine for plastic parts is characterized by comprising a feeding component (4), a sand blasting component (3), a frame (1) and a recovery component (5) which are sequentially arranged from top to bottom;

the output end of the feeding component (4) is communicated with the sand blasting component (3) and is used for conveying sand to the sand blasting component (3); the spraying direction of the sand spraying assembly (3) is adjustable;

a conveying assembly (2) is arranged in the frame (1), the conveying assembly (2) comprises a driving roller (21) and a driven roller (22) which are rotatably arranged in the frame (1), the driving roller (21) and the driven roller (22) are in transmission connection through a mesh belt (23), and a plurality of through holes (233) are uniformly distributed on the mesh belt (23);

the recycling assembly (5) corresponds to the position of the sand blasting assembly (3) and is used for collecting sand falling from the through holes (233) of the mesh belt (23).

2. An automatic sand blasting machine for plastic parts according to claim 1, wherein the sand blasting assembly (3) comprises a sand blasting cover arranged in the middle of the frame (1), two sand blasting groups which are arranged oppositely are arranged in the sand blasting cover, each sand blasting group comprises a movable rod (31) movably connected with the side wall of the sand blasting cover, a plurality of sand blasting guns (32) are hinged on the movable rod (31), each sand blasting gun (32) is connected with a high-pressure air source, and each sand blasting gun (32) is communicated with the discharge end of the feeding assembly (4).

3. An automatic sand blasting machine for plastic parts according to claim 2, wherein each sand blasting gun (32) corresponds to an independent high-pressure air source, and a barometer and a pressure regulating valve are arranged on a communication pipeline between each sand blasting gun (32) and the high-pressure air source.

4. An automatic sand blasting machine for plastic parts according to claim 2, wherein the movable rod (31) is vertically connected with a pull rod (33), a motor is further arranged at the top of the sand blasting cover, a rotating disc is arranged at the output end of the motor, a connecting shaft is arranged at the position, close to the outer circumference, of the rotating disc, and the connecting shaft is hinged with the pull rod (33).

5. An automatic sand blasting machine for plastic parts according to claim 1, wherein the feeding assembly (4) comprises a feeding hopper arranged at the top of the sand blasting assembly (3), a screen is arranged at the inlet of the feeding hopper, a plurality of output pipelines are arranged at the discharge end of the feeding hopper, and each output pipeline is communicated with the sand blasting assembly (3).

6. The automatic sand blasting machine for plastic parts according to claim 5, wherein the output pipes are provided with on-off valves.

7. The automatic sand blasting machine for plastic parts according to claim 1, wherein a cavity for placing the conveying component (2) is formed in the middle of the frame (1), placing platforms are arranged at two ends of the frame (1), and the surfaces of the placing platforms are flush with the top surface of the mesh belt (23).

8. An automatic sand blasting machine for plastic parts according to claim 1 or 7, wherein the recovery unit (5) comprises a recovery hopper which is provided at the bottom of the cavity, and a recovery drawer (51) is detachably installed at the bottom of the recovery hopper.

9. An automatic sand blasting machine for plastic parts according to any of claims 1-7, further comprising a control interface electrically connected to the on-off valve, the pressure regulating valve, the motor and the delivery assembly (2).

Images