Dust removal device of efficient sander

Abstract

The utility model relates to the technical field of dust collection devices of sanding machines, in particular to a dust collection device of an efficient sanding machine, which comprises a sanding machine shell, a dust collection connecting pipe, a dust collection box, a dust collection box cover and a filter bag, a dust outlet hole matched with the dust collection connecting pipe is formed in the side face of the bottom of the sander shell, a connecting piece matched with the dust outlet hole is arranged at the front end of the dust collection connecting pipe, and a fixing piece is arranged behind the dust collection connecting pipe; the fixing piece is a hollow cylinder, and raised lines are arranged on the two sides of the fixing piece; ventilation holes are formed in the upper side of the dust collection box; grooves matched with the raised lines are formed in two sides of the inner wall of the front end of the dust collection box; plastic elastic sheets are arranged on two sides of the outer wall of the middle part of the dust collection box; a clamping groove is formed in the inner wall of the tail end of the dust collection box; the clamping groove is matched with a clamping hook at the front end of the dust collection box cover, and a plurality of sets of ventilation holes are formed in the surface of the dust collection box cover. And the filter bag is arranged in the dust collection box. According to the device, the dust suction box and the dust collection box can be conveniently replaced and detached, and internal cleaning is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of dust removal devices for sanding machines, in particular to a dust removal device for an efficient sanding machine. Background Technique

[0002] The working principle of the dust removal device of the sanding machine is mainly based on gravity sedimentation, inertial centrifugal force and filtration. When the sanding machine is processing, the high-speed rotating grinding wheel takes out the sand grains and dirt on the surface of the workpiece, forming dust and waste. These dust and waste are transported to the dust removal device through the pipeline. Through the filtration of the filter bag or filter cartridge, the dust is intercepted and collected, while the clean air is discharged. The existing dust suction connecting pipe, dust suction box and the internal dust collection effect of the dust suction box cover are not good. In particular, the installation, fixation and disassembly of the internal filter bag are relatively complicated. There are gaps left after the installation of some filter bags, resulting in easy escape of dust during the working process, and the disassembly difficulty of some filter bags is high. Content of the Utility Model

[0003] In order to overcome the existing deficiencies, the utility model provides a dust removal device for an efficient sanding machine.

[0004] The technical solution adopted by the utility model to solve its technical problems is: a dust removal device for an efficient sanding machine, including a sanding machine housing, a dust suction connecting pipe, a dust suction box, a dust suction box cover and a filter bag; an air outlet hole communicating with the dust suction connecting pipe is provided on the side of the bottom of the sanding machine housing, a connecting piece matching the air outlet hole is provided at the front end of the dust suction connecting pipe, and a fixing piece is provided at the back; the fixing piece is a hollow cylinder with convex strips on both sides; ventilation holes are provided on the upper side of the dust suction box, grooves matching the convex strips are provided on both sides of the inner wall at the front end, plastic elastic pieces are provided on both sides of the outer wall in the middle, a clamping groove is provided on the inner wall at the tail end, and a filter bag is provided inside; the clamping groove matches the hook at the front end of the dust suction box cover, and several groups of ventilation holes are provided on the surface of the dust suction box cover; the filter bag is arranged inside the dust collection box.

[0005] According to another embodiment of the utility model, it further includes that the dust collection box has an open structure at both ends, a sliding groove is provided at the bottom to match the sliding strip inside the dust suction box cover, and a filter bag is provided inside.

[0006] According to another embodiment of the utility model, it further includes that a stop block is provided at the front end of the sliding strip.

[0007] According to another embodiment of the utility model, it further includes that the size of the front end opening of the dust suction box is half of the size of the rear end opening.

[0008] According to another embodiment of the utility model, it further includes that locking steps and locking grooves are provided on the upper and lower sides at the front end of the filter bag, and a metal snap ring is provided at the top.

[0009] According to another embodiment of the present invention, the metal clamping ring is buckled at the front end of the dust collecting box, and two groups of metal springs are provided on the upper and lower sides of the dust collecting box.

[0010] According to another embodiment of the utility model, the front end of the metal spring is provided with a locking protrusion, and the right end is provided with a button; the locking protrusion matches the locking step; and the button corresponds to the locking groove.

[0011] The beneficial effect of the utility model is that a dust box and filter bag combination that is easy to disassemble is designed, which is convenient for replacement and disassembly and can also match the shell, and the dust suction pipe, dust suction box and dust suction box cover can be quickly disassembled, which is convenient for internal cleaning. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0013] Figure 1 It is a structural schematic diagram of the utility model;

[0014] Figure 2 The dust suction pipe, dust suction box and dust suction box cover are structural diagrams;

[0015] Figure 3 is a cross-sectional view of the dust box;

[0016] Figure 4 It is a side view of the dust box;

[0017] Figure 5 It is a schematic diagram of the structure of the dust box.

[0018] In the figure, 1, sanding machine housing, 2, dust suction pipe, 3, dust suction box, 4, dust suction box cover, 5, filter bag, 6, dust outlet hole, 7, connecting piece, 8, fixing piece, 9, convex strip, 10, ventilation hole, 11, groove, 12, plastic spring piece, 13, slot, 14, hook, 15, dust collection box, 16, slide groove, 17, slide bar, 18, stop block, 19, locking step, 20, locking groove, 21, metal snap ring, 22, metal spring piece, 23, locking protrusion, 24, button. DETAILED DESCRIPTION

[0019] like Figure 1It is a schematic structural diagram of the present utility model, a dust removal device for an efficient sander, including a sander housing 1, a dust suction connection pipe 2, a dust suction box 3, a dust suction box cover 4, and a filter bag 5; a dust outlet hole 6 of the dust suction connection pipe 2 is provided on the side of the bottom of the sander housing 1, a connector 7 matching the dust outlet hole 6 is provided at the front end of the dust suction connection pipe 2, and a fixing part 8 is at the back; the fixing part 8 is a hollow cylinder with convex strips 9 on both sides; ventilation holes 10 are provided on the upper side of the dust suction box 3, grooves 11 matching the convex strips 9 are provided on both sides of the inner wall at the front end, plastic elastic pieces 12 are provided on both sides of the outer wall in the middle, a clamping groove 13 is provided on the inner wall at the tail end, and a filter bag 5 is provided inside; the clamping groove 13 matches the hook 14 at the front end of the dust suction box cover 4, and several groups of ventilation holes 10 are provided on the surface of the dust suction box cover 4; the filter bag 5 is arranged inside the dust collection box 15.

[0020] According to another embodiment of the present utility model, it further includes that the dust collection box 15 has an open structure at both ends, a sliding groove 16 is provided at the bottom and matches the sliding strip 17 inside the dust suction box cover 4, and a filter bag 5 is provided inside.

[0021] According to another embodiment of the present utility model, it further includes that a stop block 18 is provided at the front end of the sliding strip 17.

[0022] Specifically, the dust collection box 15 can be slidably connected to the sliding strip 17 through the sliding groove 16 at the bottom, which is convenient to take out from the rear opening of the dust suction box 3.

[0023] According to another embodiment of the present utility model, it further includes that the size of the front opening of the dust suction box 3 is half of the size of the rear opening.

[0024] According to another embodiment of the present utility model, it further includes that locking steps 19 and locking grooves 20 are provided on the upper and lower sides at the front end of the filter bag 5, and a metal snap ring 21 is provided at the top.

[0025] According to another embodiment of the present utility model, it further includes that the metal snap ring 21 is buckled on the front end of the dust collection box 15, and two groups of metal elastic pieces 22 are provided on the upper and lower sides of the dust collection box 15.

[0026] According to another embodiment of the present utility model, it further includes that a locking convex block 23 is provided at the front end of the metal elastic piece 22, and a button 24 is provided at the right end; the locking convex block 23 matches the locking step 19; the button 24 corresponds to the locking groove 20.

[0027] Specifically, by pressing the button 24, the front end of the metal elastic piece 22 bounces up, so that the locking convex block 23 of the dust collection box 15 and the locking step 19 are separated, and the dust collection box 15 and the filter bag 5 can be separated and disassembled.

[0028] During the specific operation process, when the sander is working, the power cord inside is connected to electricity, the driving device rotates, the rotor and the aluminum fan blade rotate, the working base plate also vibrates accordingly, and the sandpaper also shakes. The wood surface is polished smoothly by the emery particles on the surface of the sandpaper. During the processing, the dust generated is sucked through the dust suction box 3 through the dust outlet hole 6 to remove the dust on the material surface. When the dust reaches a certain amount, the dust suction box 3 is taken out, the dust suction box cover 4 is disassembled, and the dust collection box 15 is removed to pour the internal filter bag 5.

[0029] The above description is illustrative rather than restrictive to the present utility model. Those of ordinary skill in the art understand that many modifications, variations or equivalents can be made without departing from the spirit and scope defined by the appended claims, and all of them will fall within the protection scope of the present utility model.

Claims

1. A dust removal device for an efficient sander, characterized in that, Sanding machine housing (1), dust suction connection pipe (2), dust suction box (3), dust suction box cover (4) and filter bag (5); a dust outlet hole (6) of the dust suction connection pipe (2) is provided on the side of the bottom of the sanding machine housing (1), a connecting piece (7) matching the dust outlet hole (6) is provided at the front end of the dust suction connection pipe (2), and a fixing piece (8) is at the back; the fixing piece (8) is a hollow cylinder with convex strips (9) on both sides; ventilation holes (10) are provided on the upper side of the dust suction box (3), grooves (11) matching the convex strips (9) are provided on both sides of the inner wall at the front end, plastic elastic pieces (12) are provided on both sides of the outer wall in the middle, a clamping groove (13) is provided on the inner wall at the tail end, and a filter bag (5) is provided inside; the clamping groove (13) matches a hook (14) at the front end of the dust suction box cover (4), and several groups of ventilation holes (10) are provided on the surface of the dust suction box cover (4); the filter bag (5) is arranged inside the dust collection box (15).

2. The dust removal device of the high-efficiency sander according to claim 1, characterized in that, The dust collection box (15) has an open structure at both ends, a sliding groove (16) is provided at the bottom and matches a sliding strip (17) inside the dust suction box cover (4), and a filter bag (5) is provided inside.

3. The dust removal device of the high-efficiency sander according to claim 2, characterized in that, A stop block (18) is provided at the front end of the sliding strip (17).

4. The dust removal device of the high-efficiency sander according to claim 1, characterized in that, The size of the front end opening of the dust suction box (3) is half of the size of the rear end opening.

5. The dust removal device of the high-efficiency sander according to claim 1, characterized in that, Locking steps (19) and locking grooves (20) are provided on the upper and lower sides at the front end of the filter bag (5), and a metal snap ring (21) is provided at the top.

6. The dust removal device of the high-efficiency sander according to claim 5, characterized in that, The metal snap ring (21) is buckled on the front end of the dust collection box (15), and two groups of metal elastic pieces (22) are provided on the upper and lower sides of the dust collection box (15).

7. The dust removal device of the high-efficiency sander according to claim 6, characterized in that, A locking convex block (23) is provided at the front end of the metal elastic piece (22), and a button (24) is provided at the right end; the locking convex block (23) matches the locking step (19); the button (24) corresponds to the locking groove (20).

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