CN212762395U

CN212762395U - Dust removal mechanism of furniture cutting equipment

Info

Publication number: CN212762395U
Application number: CN202020576792.8U
Authority: CN
Inventors: 朱圣钦; 方龙飞
Original assignee: Huangshan Aofer Furniture Co ltd
Current assignee: Huangshan Aofer Furniture Co ltd
Priority date: 2020-04-17
Filing date: 2020-04-17
Publication date: 2021-03-23
Anticipated expiration: 2030-04-17

Abstract

The utility model provides a furniture cutting equipment's dust removal mechanism belongs to lathe annex technical field, aims at solving the unable problem of the processing state of examining the work piece of traditional piece formula dust collector's structure in the cutting process. This dust removal mechanism includes the dust cage, rotary mechanism, dust collecting pipeline and dust collecting system, dust collecting pipeline lower extreme and rotary mechanism upper end are connected, the rotary mechanism lower extreme is connected with the dust cage upper end, dust collecting pipeline detachably connects on the tool rest, the tool rest sets up in dust collecting pipeline, the dust cage at least partly surrounds the cutter, the dust cage lower extreme has frictional ground contact with the work piece, the dust cage is the cylinder tubulose of part, the dust cage is equipped with the opening in one side, the dust cage is including the first part of connecting dust collecting pipeline and the second part of contact work piece, the intensity of second part is less than the first part. The utility model is used for furniture cutting removes dust.

Description

Dust removal mechanism of furniture cutting equipment

Technical Field

The utility model belongs to the technical field of the lathe annex, especially, relate to a furniture cutting equipment's dust removal mechanism.

Background

Dust removal mechanisms for chips are commonly used for cutting machining, such as using end mills or similar tools. For example, in the "cutting and dust removing device" under the publication number CN202378097U, a dust collection cover is covered around the cutting tool, and the dust collection cover is connected to a dust collection pipe.

However, in order to improve dust removal efficiency, the conventional sheet type dust removing apparatus is configured to cover the periphery of the tool. This is problematic because the machining state of the workpiece cannot be checked during the cutting process. If the workpiece is a composite material, such as Carbon Fiber Reinforced Plastic (CFRP), it is important to maintain a sufficiently low pressure around the cut section in order to achieve good dust removal. The composite material is superior to metal materials such as iron or aluminum in specific strength and specific rigidity, but is considered to be a material difficult to cut on the other hand. Therefore, it is necessary to check the processing state of the composite material during the cutting process.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a furniture cutting equipment's dust removal mechanism aims at solving the unable problem of examining the processing state of work piece of traditional piece formula dust collector's structure in the cutting process.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a dust removal mechanism of furniture cutting equipment is used for the furniture cutting equipment, the furniture cutting equipment comprises a cutter, a cutter frame, a driving mechanism for driving the cutter and a platform for placing a workpiece, the dust removal mechanism comprises a dust collection cover, a rotating mechanism, a dust collection pipeline and a dust collection system, the lower end of the dust collection pipeline is connected with the upper end of the rotating mechanism, the lower end of the rotating mechanism is connected with the upper end of the dust collection cover, the dust collection pipeline is detachably connected on the cutter frame, the cutter frame is arranged in the dust collection pipeline, the dust collection cover at least partially surrounds the cutter, the lower end of the dust collection cover is in frictional contact with the workpiece, the dust collection cover is partially cylindrical and tubular, an opening is formed in one side of the dust collection cover, the dust collection cover comprises a first part connected with the dust collection pipeline and a second part contacted with the workpiece, and the strength of the second part is smaller than that, when the cutter moves forward, the opening faces the moving direction side of the cutter due to the friction force of the workpiece to the dust collection cover.

Preferably, the dust collection system comprises a dust collection pipeline assembly and a dust collection box, the dust collection pipeline assembly comprises a pipe body, a first fan and a dust baffle, the pipe body comprises a first tubular body and a second tubular body in a cone hopper shape, the first tubular body and the second tubular body are integrally arranged, the first tubular body is connected with the dust collection pipeline and communicated with the dust collection pipeline, a dust discharge port is arranged at the bottom of the first tubular body, one end of the dust baffle is rotatably connected to the dust collection pipeline, the other end of the dust baffle is rotated to be attached to the second tubular body and then seals the dust discharge port, the first fan is arranged in the tubular body and is positioned at the junction of the first tubular body and the second tubular body, a filter screen cylinder is arranged on the periphery of the first fan, the second tubular body is connected with the dust collection box, and an exhaust port is arranged on the dust collection box, the air outlet is provided with a second fan, and the air outlet is also provided with a filter screen plate.

Preferably, the dust guard plate is provided with a rubber strip at the joint with the second pipe body.

Preferably, the outer diameter of the filter screen cylinder is matched with the inner diameter of the pipe body.

Preferably, the dust cage has a shape in which the cylindrical tube is cut by a plane parallel to a central axis of the cylindrical tube.

Preferably, the dust cage has a shape in which a cylindrical tube is cut by a slope.

Preferably, the second section includes a plurality of different length dirt bars, and the opening is opposite the longest dirt bar.

Preferably, the second portion is a flexible brush.

Preferably, the rotating mechanism comprises a ball bearing, the ball bearing comprises an upper ring, a ball and a lower ring, the upper ring is connected with the dust collecting pipeline, and the lower ring is connected with the dust collecting cover.

Preferably, the rotating mechanism further includes a covering member that is provided at an inner wall of the ball bearing and covers a bearing gap of the ball bearing.

After the technical scheme is adopted, the utility model has the advantages of as follows:

when the workpiece is cut, for example, in cutting processing, the second part of the dust collection cover slides on the surface of the workpiece in contact with the workpiece, and the dust collection cover is subjected to the friction force of the workpiece and rotates together with the lower ring of the rotating mechanism. The dust collection cover is always positioned on the opposite side of the processed side surface of the workpiece, so that the processing state of the workpiece can be seen through the opening on one side of the processing surface; the dust collection cover can also collect the cutting scraps generated when the workpiece is cut.

Drawings

The present invention will be further explained with reference to the accompanying drawings:

FIG. 1 is a schematic structural diagram of a dust removing mechanism of a furniture cutting device;

FIG. 2 is a bottom view of the dust collection conduit of FIG. 1;

FIG. 3 is a schematic view of the dust cage of the present embodiment;

FIG. 4 is a schematic view showing a first variation of the dust cage;

FIG. 5 is a schematic view showing a second variation of the dust cage;

FIG. 6 is a schematic view of the dust collection system;

FIG. 7 is a schematic structural view of the rotating mechanism;

in the figure:

1-a cutter; 2-dust collecting hood; 20-opening; 21-a first part; 22-a second part; 3-a dust collecting duct; 4-a rotating mechanism; 41-upper ring; 42-a ball bearing; 43-lower ring; 44-a cover; 5-a tool holder; 7-a drive mechanism; 8-a platform; 9-a dust extraction duct assembly; 91-a tube body; 911-a first tubular body; 912-a second tubular body; 92-a first fan; 93-dust board; 931-rubber strips; 10-a dust collection box; 11-a second fan; 12-filter screen plate.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1, the dust removing mechanism of the furniture cutting device is used for the furniture cutting device, and the furniture cutting device comprises a cutter 1, a cutter frame 5, a driving mechanism 7 and a platform 8. The platform 8 is used for arranging workpieces such as composite materials, metal, wood and the like; the drive mechanism 7 is used to drive the cutting tool 1 for displacement relative to the workpiece. It will be appreciated that the platform 8 may also effect displacement of the tool 1 relative to the workpiece instead of the drive mechanism 7, or that the platform 8 may also supplement the displacement of the tool 1 relative to the workpiece.

The dust removal mechanism comprises a dust collection cover 2, a rotating mechanism 4, a dust collection pipeline 3 and a dust collection system. It should be noted that the dust removing mechanism of the present embodiment is applicable to a milling machine, a lathe, or a machining center lathe having a tool spindle similar to the tool 1, such as a drilling machine or a boring machine.

The lower end of the dust collecting pipeline 3 is connected with the upper end of the rotating mechanism 4, and the lower end of the rotating mechanism 4 is connected with the upper end of the dust collecting cover 2. The dust collecting pipe 3 is detachably connected to the tool rest 5, and the tool rest 5 is arranged in the dust collecting pipe 3.

As shown in fig. 2, the dust cage 2 at least partially surrounds the tool 1, and the lower end of the dust cage 2 is in frictional contact with the workpiece. The dust cage 2 is in the shape of a partial cylindrical tube, and the dust cage 2 is provided with an opening 20 at one side. The dust cage 2 comprises a first portion 21 connecting the dust collecting duct 3 and a second portion 22 contacting the workpiece, the second portion 22 being less strong than the first portion 21. When the tool 1 is moved, the opening 20 faces the moving direction of the tool 1 due to the friction of the workpiece against the dust collection cover 2. Wherein, the first part 21 can better transmit the rotating force to the rotating mechanism 4, the second part 22 has good adhesion force to the surface of the cutting workpiece, and meanwhile, the second part 22 in the dust collection cover 2 is a pressure increasing part which can increase the suction force of dust collection.

Preferably, the second portion 22 is a flexible brush. When the dust collection cover 2 is contacted with the top surface of the cutting workpiece, the damage to the workpiece can be fully avoided.

It will be appreciated that the second portion 22 of the dust cage 2 may also be provided in rubber, resin or similar material.

The dust collection cover 2 is rotated in the direction of relative displacement of the workpiece 1 by the frictional force with the workpiece so that the opening faces the side of the cutting tool 1 in the advancing direction. Thus, the dust cage 2 may be shaped as a part of a cylindrical tube.

As shown in fig. 3, in the present embodiment, the shape of the dust cage 2 is set to a shape in which the cylindrical tube is cut by a plane parallel to the central axis of the cylindrical tube, and the opening 20 formed by the cutting can be used to check the processing state. Fig. 3 is a schematic structural view of the dust cage 2 of the present embodiment.

As shown in fig. 4, it will be appreciated that the shape of the dust cage 2 may also be arranged: the dust cage 2 is in the shape of a cylindrical tube cut by an inclined plane. As shown in fig. 5, it will be appreciated that the shape of the dust cage 2 may also be arranged: said second part 22 of the dust cage 2 comprises several dust bars of different lengths, said opening 20 being opposite the longest dust bar. The change of the two dust hoods is smaller in rotation resistance relative to the dust hood with constant height, and rotation can be better realized.

As shown in fig. 1 and 6, the dust suction system includes a dust suction duct assembly 9 and a dust box 10.

The dust suction duct assembly 9 includes a duct body 91, a first fan 92, and a dust guard 93. The pipe body 91 comprises a first tubular body 911 and a second tubular body 912, wherein the first tubular body 911 and the second tubular body 912 are integrally arranged, and the first tubular body 911 is connected with the dust collection pipeline 3 and communicated with the dust collection pipeline 3.

The bottom of first body 911 is equipped with unloads the dirt mouth, the one end of dust board 93 rotates to be connected on the dust collecting pipeline 3, the other end of dust board 93 rotate to with will after the laminating of second body 912 unload the dirt mouth and seal.

Preferably, the dust guard 93 is provided with a rubber strip 931 at the joint with the second pipe 912.

The first fan 92 is arranged in the pipe 91, the first fan 92 is located at the junction of the first pipe 911 and the second pipe 912, and a filter screen cylinder is arranged on the periphery of the first fan 92.

Preferably, the outer diameter of the filter screen cylinder is adapted to the inner diameter of the pipe body 91. So that the large cuttings passing through the pipe body 91 are blocked above the dust baffle 93 by the filter screen cylinder.

The second pipe 912 is connected with the dust collecting box 10, an air outlet is arranged on the dust collecting box 10, a second fan 11 is arranged at the air outlet, and a filter screen 12 is further arranged at the air outlet.

The cuttings enter the first pipe 911 through the dust collecting pipeline 3, and the filter screen cylinder separates the large cuttings outside the filter screen cylinder, so that the large cuttings are prevented from damaging the first fan 92, and the large cuttings fall on the dust baffle plate 93. The dust guard plate 93 can be rotated to open the dust discharge port, so that large cuttings can be cleaned, and in addition, the arrangement of the dust discharge port is convenient for the installation of the first fan 92 and the replacement of the filter screen cylinder. The remaining cuttings enter the dust box 10 through the second tube 912 and are collected in the dust box 10.

The rotating mechanism 4 comprises a fixed part fixedly connected with the dust collecting pipe 3 and a rotating part fixedly connected with the dust collecting cover 2, and the fixed part and the rotating part can rotate relatively. It will be appreciated that any mechanism may be used as the rotation mechanism 4, as long as the rotation mechanism 4 can rotate the dust cage 2, for example a mechanism with rolling elements rolling along a circular track.

As shown in fig. 7, in the present embodiment, the rotating mechanism 4 includes a ball bearing, the ball bearing includes an upper ring 41, balls 42, and a lower ring 43, the upper ring 41 is connected to the dust collecting duct 3, and the lower ring 43 is connected to the dust cage 2.

The rotating mechanism 4 further comprises a cover 44, the cover 44 being arranged at the inner wall of the ball bearing and covering the bearing gap of the ball bearing to avoid swarf entering the bearing gap of the rotating mechanism 4.

When the workpiece is cut, for example, in a cutting process, the second part 22 of the dust collection cover 2 slides on the surface of the workpiece, and the dust collection cover 2 is subjected to the friction force of the workpiece and rotates together with the lower ring of the rotating mechanism 4. The dust collection cover 2 is always positioned on the opposite side of the processed side surface of the workpiece, so that the processing state of the workpiece can be seen through the opening on the side of the processed surface; the dust collection cover 2 can also collect chips generated when the workpiece is cut.

In addition to the preferred embodiments described above, other embodiments of the present invention are also possible, and those skilled in the art can make various changes and modifications according to the present invention without departing from the spirit of the present invention, which should fall within the scope of the present invention defined by the appended claims.

Claims

1. A dust removing mechanism of furniture cutting equipment is used for the furniture cutting equipment, the furniture cutting equipment comprises a cutter (1), a cutter frame (5), a driving mechanism (7) for driving the cutter (1) and a platform (8) for placing a workpiece, and is characterized in that the dust removing mechanism comprises a dust collecting cover (2), a rotating mechanism (4), a dust collecting pipeline (3) and a dust collecting system, the lower end of the dust collecting pipeline (3) is connected with the upper end of the rotating mechanism (4), the lower end of the rotating mechanism (4) is connected with the upper end of the dust collecting cover (2), the dust collecting pipeline (3) is detachably connected on the cutter frame (5), the cutter frame (5) is arranged in the dust collecting pipeline (3), the dust collecting cover (2) at least partially surrounds the cutter (1), and the lower end of the dust collecting cover (2) is in frictional contact with the workpiece, the dust collection cover (2) is partially cylindrical and tubular, an opening (20) is formed in one side of the dust collection cover (2), the dust collection cover (2) comprises a first portion (21) and a second portion (22), the first portion (21) is connected with the dust collection pipeline (3), the second portion (22) is in contact with a workpiece, the strength of the second portion (22) is smaller than that of the first portion (21), and when the cutter (1) moves forward, the opening (20) faces the moving direction side of the cutter (1) due to the friction force of the workpiece on the dust collection cover (2).

2. The dust removing mechanism of furniture cutting equipment according to claim 1, wherein the dust collecting system comprises a dust collecting pipe assembly (9) and a dust collecting box (10), the dust collecting pipe assembly (9) comprises a pipe body (91), a first fan (92) and a dust blocking plate (93), the pipe body (91) comprises a first pipe body (911) in a tubular shape and a second pipe body (912) in a cone-hopper shape, the first pipe body (911) and the second pipe body (912) are integrally arranged, the first pipe body (911) is connected with the dust collecting pipe (3) and communicated with the dust collecting pipe (3), a dust discharging opening is formed in the bottom of the first pipe body (911), one end of the dust blocking plate (93) is rotatably connected to the dust collecting pipe (3), and the other end of the dust blocking plate (93) is rotated to be attached to the second pipe body (912) to seal the dust discharging opening, the first fan (92) is arranged in the pipe body (91) and the first fan (92) is located at the junction of the first pipe body (911) and the second pipe body (912), a filter screen cylinder is arranged on the periphery of the first fan (92), the second pipe body (912) is connected with the dust collection box (10), an air outlet is formed in the dust collection box (10), a second fan (11) is arranged at the air outlet, and a filter screen plate (12) is further arranged at the air outlet.

3. The dust removing mechanism of furniture cutting equipment according to claim 2, wherein the dust guard (93) is provided with a rubber strip (931) at the joint with the second pipe body (912).

4. The dust removing mechanism of furniture cutting equipment according to claim 2, wherein the outer diameter of the filter screen cylinder is adapted to the inner diameter of the pipe body (91).

5. The dust removing mechanism of furniture cutting equipment according to claim 1, wherein said dust cage (2) has a shape of a cylindrical tube cut by a plane parallel to a central axis of the cylindrical tube.

6. The dust removing mechanism of furniture cutting equipment as claimed in claim 1, wherein said dust cage (2) has a shape in which a cylindrical tube is cut by a slant.

7. The dust removing mechanism of furniture cutting equipment according to claim 1, characterized in that the second part (22) comprises several dust collecting strips of different lengths, the opening (20) being opposite to the longest dust collecting strip.

8. A dust extraction mechanism for a furniture cutting device according to claim 1 or 5 or 6 or 7 wherein the second portion (22) is a flexible brush.

9. The dust removing mechanism of furniture cutting equipment according to claim 1, characterized in that the rotating mechanism (4) comprises a ball bearing, which comprises an upper ring (41), balls (42) and a lower ring (43), the upper ring (41) being connected with the dust collecting duct (3) and the lower ring (43) being connected with the dust cage (2).

10. The dust removing mechanism of furniture cutting equipment according to claim 9, characterized in that the rotating mechanism (4) further comprises a covering member (44), the covering member (44) being provided at an inner wall of the ball bearing and covering a bearing gap of the ball bearing.