Blowing dust hood for wood-working machine

Abstract

The utility model provides a blowing dust hood for wood-working machinery, which belongs to the field of wood-working machinery equipment and comprises a hood shell, a suction pipe is communicated with one side of the hood shell, a penetrating hole which can penetrate through a power main shaft and is in clearance fit with the power main shaft is arranged in the middle of the hood shell, and a plurality of blowing pipes are fixedly arranged on the periphery of the penetrating hole of the hood shell. The upper end of each branch air blowing pipe is independently connected to a high-pressure air source, the lower end of each air blowing pipe extends into the housing and is provided with an inclined spray head, the inclined spray heads blow air towards the power main shaft, a lifting assembly for driving the housing to ascend and descend is further arranged on the upper surface of the housing, and the air blowing pipes obliquely blowing air towards the power main shaft are arranged on the peripheral side of the power main shaft. And each air blowing pipe is independently connected to a high-pressure air source, air flow can be better controlled by adjusting opening, closing and air blowing speed of each air blowing pipe and cooperating with adsorption of the suction pipe, flowing of wood dust is better controlled, and a better adsorption effect is achieved.

Description

Technical Field

[0001] The utility model belongs to the field of woodworking machinery and equipment, in particular to an air blowing dust suction hood for woodworking machinery. Background Art

[0002] With the development of automation, many operations in the wood processing process are gradually completed automatically by mechanical equipment, such as cutting and drilling. At present, woodworking machinery for drilling, milling and cutting is mostly composed of a power spindle with an automatic tool change structure. The power spindle provides power to drive different tools to complete different processing. Sawdust will be formed during the wood processing process. Most existing machines use negative pressure dust hoods to absorb and collect sawdust. However, relying solely on negative pressure adsorption cannot completely collect and control sawdust. Some sawdust will still fly into the external working environment, affecting the working environment and the health of workers. Utility Model Content

[0003] Based on the above-mentioned problems in the prior art, the utility model provides an air blowing dust suction hood for a woodworking machine, which includes a cover shell, a suction pipe is connected to one side of the cover shell, a through hole is provided in the middle of the cover shell, and the through hole can pass through the power spindle and is clearance-matched with the power spindle, and a plurality of air blowing pipes are fixedly provided on the cover shell around the through hole, and the upper end of each air blowing pipe is independently connected to a high-pressure air source, and the lower end of the air blowing pipe extends into the cover shell and is installed with an inclined nozzle, which blows air in the direction of the power spindle, and the upper surface of the cover shell is also provided with a lifting component for driving the cover shell to rise and fall.

[0004] Wherein, two or more lifting components are installed on the upper surface of the cover shell, and all the lifting components are centrally symmetrically distributed with the through hole as the symmetry center.

[0005] Among them, the lifting assembly includes a mounting seat for fixed connection with the power spindle, a lifting cylinder is fixedly installed on the mounting seat, the telescopic end of the lifting cylinder is fixedly connected to the cover shell, and a guide light axis is fixedly installed on one side of the lifting cylinder of the cover shell, and the guide light axis is slidably connected to the mounting seat through a linear bearing.

[0006] The cover shell is a cubic structure, the suction pipe is connected to the right side of the cover shell, the lifting assembly has two groups and is respectively arranged on the front and rear sides of the cover shell, and the blowing pipe has four branches and is respectively arranged on the four sides of the cover shell.

[0007] Wherein, the lower parts of the four side edges of the cover shell are fixedly installed with surrounding edges, and the four surrounding edges are connected end to end to form an extended cover.

[0008] A brush fixing clamp is fixedly installed on the inner side of the side where the cover shell and the suction pipe are connected. The opening of the brush fixing clamp faces downward and a brush is detachably installed thereon. The lower part of the brush is lower than the lower part of the surrounding edge.

[0009] The utility model has the beneficial effects:

[0010] 1. Blowing pipes that blow air obliquely in the direction of the power spindle are arranged on the peripheral side of the power spindle, and each blowing pipe is connected to a high-pressure air source separately. By adjusting the opening and closing of each blowing pipe and the blowing speed, the airflow can be better controlled by coordinating with the adsorption of the suction pipe, and the flow of sawdust can be better controlled to achieve a better adsorption effect.

[0011] 2. A brush is detachably installed in the cover shell through a brush fixing clip. The brush can be used to sweep and lift up the wood chips that have fallen on the surface of the wood or workbench, and then the wood chips can be adsorbed, further improving the cleaning effect of the wood chips and dust. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 The present invention is a three-dimensional structural schematic diagram of an air blowing dust collection hood for woodworking machinery.

[0013] Figure 2 The present invention is a three-dimensional structural schematic diagram of an air blowing dust collection hood for woodworking machinery from another angle.

[0014] Figure 3 It is a cross-sectional structural diagram of an air blowing dust hood.

[0015] Figure 4 It is a schematic diagram of the coordination of the cover shell, the surrounding edge and the blowing pipe.

[0016] Figure 5 It is a schematic diagram of the matching structure of the air blowing dust suction hood and the power spindle.

[0017] Figure 6 It is a structural schematic diagram of the coordination between the air blowing dust collection hood and the power spindle from another angle. DETAILED DESCRIPTION

[0018] The utility model is described in detail below with reference to the accompanying drawings and specific embodiments.

[0019] As attached Figure 1-4 The blower dust hood for woodworking machinery shown in the figure comprises a cover shell 1 in a cubic structure, the opening of the cover shell 1 is downward, and the cover shell 1 is Figure 1The direction shown is the basis, the upper right side of the figure is the right side of the product, the lower right side of the figure is the front side of the product, the right side of the cover shell 1 is connected to a suction pipe 2, the other end of the suction pipe 2 relative to the cover shell 1 is connected to an external suction structure, the middle part of the upper surface of the cover shell 1 is provided with a through hole 3 that can pass the power spindle 12 and has a clearance fit with the power spindle 12, the cover shell 1 is fixedly provided with a blowing pipe 4 on the front, rear, left and right sides of the through hole 3, a total of four blowing pipes 4, the upper end of each blowing pipe 4 is located above the cover shell 1 and is independently connected to the high-pressure air source, and the lower end of the blowing pipe 4 extends into the cover shell 1 A tilted nozzle 5 is installed, which tilts toward the direction of the power spindle 12 and blows air toward the tool. A group of lifting components 6 for driving the cover shell 1 to rise and fall are arranged on the front and rear sides of the upper surface of the cover shell 1. The two groups of lifting components 6 are centrally symmetrically distributed with the center of the circle passing through the hole 3 as the center of symmetry; the lifting component 6 includes a mounting seat 7 for fixed connection with the power spindle 12, and a lifting cylinder 8 is fixedly installed on the mounting seat 7. The telescopic end of the lifting cylinder 8 is fixedly connected to the cover shell 1, and a guide light axis 9 is fixedly installed on one side of the lifting cylinder 8 of the cover shell 1, and the guide light axis 9 is slidably connected to the mounting seat 7 through a linear bearing.

[0020] As a preferred embodiment, a rim 10 is fixedly installed below the four side edges of the cover shell 1, and the four rims 10 are connected end to end to form an extended cover; a brush fixing clamp 11 is fixedly installed on the inner side of the side where the cover shell 1 and the suction pipe 2 are connected, and the opening of the brush fixing clamp 11 is downward and a brush is detachably installed thereon, and the lower part of the brush is lower than the lower part of the rim 10.

[0021] As attached Figure 5 and Figure 6 As shown, the air blowing dust suction hood provided in this embodiment is used in conjunction with the power spindle 12. The power spindle 12 is fixedly mounted on the mobile structure of the machine through the base plate 13, and is driven to the corresponding position through the mobile structure to perform corresponding processing. During the processing, the two lifting cylinders 8 drive the air blowing dust suction hood to descend so that the cover shell 1 and the extension cover can cooperate to cover the processing area, and then the suction structure and the high-pressure air source are started to blow and suck the processing area. At the same time, the opening and closing of the four air blowing pipes 4 and the air blowing speed can be adjusted according to the actual situation to control the flow direction of the airflow and sawdust dust, thereby improving the processing quality and dust adsorption effect.

[0022] After the processing is completed, the mobile structure can be used to drive the movement, and the brush on the cover shell 1 can be used to clean the wood chips on the workbench or the wood surface, and adsorb them to further improve the treatment effect of wood chip dust.

[0023] The above-mentioned embodiment only expresses one implementation method of the utility model, and its description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. An air blowing dust hood for woodworking machinery, characterized in that: The invention comprises a cover shell (1), one side of which is connected to a suction pipe (2), a middle part of which is provided with a through hole (3) capable of passing a power main shaft (12) and having a clearance fit with the power main shaft (12), a plurality of blowing pipes (4) fixedly provided on the cover shell (1) around the through hole (3), the upper end of each blowing pipe (4) being independently connected to a high-pressure air source, the lower end of the blowing pipe (4) extending into the cover shell (1) and being provided with an inclined nozzle (5), the inclined nozzle (5) blowing air in the direction of the power main shaft (12), and a lifting component (6) for driving the cover shell (1) to rise and fall is also provided on the upper surface of the cover shell (1).

2. The air blowing dust hood for woodworking machinery according to claim 1, characterized in that: Two or more lifting components (6) are installed on the upper surface of the cover shell (1), and all the lifting components (6) are centrally symmetrically distributed with the through hole (3) as the symmetry center.

3. The air blowing dust hood for woodworking machinery according to claim 2, characterized in that: The lifting assembly (6) comprises a mounting seat (7) for fixedly connecting to a power main shaft (12); a lifting cylinder (8) is fixedly mounted on the mounting seat (7); a telescopic end of the lifting cylinder (8) is fixedly connected to a cover shell (1); a guide optical axis (9) is fixedly mounted on one side of the lifting cylinder (8) on the cover shell (1); and the guide optical axis (9) is slidably connected to the mounting seat (7) via a linear bearing.

4. The air blowing dust hood for woodworking machinery according to claim 3, characterized in that: The housing (1) is a cubic structure, the suction pipe (2) is connected to the right side of the housing (1), the lifting assembly (6) has two groups and is respectively arranged on the front and rear sides of the housing (1), and the blowing pipe (4) has four branches and is respectively arranged on the four sides of the housing (1).

5. The air blowing dust hood for woodworking machinery according to claim 4, characterized in that: Surrounding edges (10) are fixedly mounted below the four side edges of the cover shell (1), and the four surrounding edges (10) are connected end to end to form an extended cover.

6. The air blowing dust hood for woodworking machinery according to claim 5, characterized in that: A brush fixing clamp (11) is fixedly mounted on the inner side of one side where the cover shell (1) and the suction pipe (2) are connected. The opening of the brush fixing clamp (11) faces downward and a brush is detachably mounted thereon. The lower part of the brush is lower than the lower part of the surrounding edge (10).

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