CN213702929U

CN213702929U - Sander with dust collection mechanism

Info

Publication number: CN213702929U
Application number: CN202022487403.7U
Authority: CN
Inventors: 王玉儒
Original assignee: Changzhou Wujin Chenguang Electric Appliance Manufacturing Co ltd
Current assignee: Changzhou Wujin Chenguang Electric Appliance Manufacturing Co ltd
Priority date: 2020-11-02
Filing date: 2020-11-02
Publication date: 2021-07-16
Anticipated expiration: 2030-11-02

Abstract

The utility model discloses a grinder with dust absorption mechanism, including the grinder, grinder bottom end fixedly connected with collar, and the below outer lane fixedly connected with rubber diaphragm of collar to the outer contact ring of the below fixedly connected with of rubber diaphragm and interior contact ring, a determining deviation has between outer contact ring and the interior contact ring, all contain the contact piece that a plurality of clearances set up in outer contact ring and the interior contact ring, contact piece independent motion each other, the inboard fixedly connected with air outlet nozzle and the suction nozzle of collar. The utility model discloses in, the grinder is in the motion process, and outer contact ring and interior contact ring laminate with workpiece surface all the time under the extrusion spring effect, when meetting the barrier, because contact block all adopts monomer disconnect-type structure in the interior outer contact ring, relative independent motion between each contact block to reduce the scope of influence when contacting with the barrier, guarantee the seal of device, thereby have better clearance effect.

Description

Sander with dust collection mechanism

Technical Field

The utility model relates to a grinder with dust absorption mechanism.

Background

Sanding machines are widely used for sanding walls or floors. The sander has a power element providing driving power, the power element being connected to the power transmission system and located within the sander housing. The sander also comprises a working chassis, the power element is connected with the working chassis through a power transmission system, and the working chassis is provided with sanding materials such as sand paper and the like. When the polishing machine works, the power element drives the chassis and the abrasive paper to polish the surface of a workpiece, so that the workpiece is smooth and flat.

The sander can generate certain dust in the sanding process, and the sander is mostly not cleaned in the prior use process, so that the dust flies upward and is sucked into the lung of a user to cause certain harm to the body, and the sander needs to absorb the dust and improve the working environment.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a grinder with dust absorption mechanism has solved the problem that the sand light in-process dust flies upward among the prior art.

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

the utility model provides a grinder with dust absorption mechanism, includes the grinder, grinder bottom end fixedly connected with collar, and the below outer lane fixedly connected with rubber diaphragm of collar to the outer contact ring of the below fixedly connected with of rubber diaphragm and interior contact ring, a determining deviation has between outer contact ring and the interior contact ring, all contain the contact piece that a plurality of clearances set up in outer contact ring and the interior contact ring, contact piece independent motion each other, the inboard fixedly connected with air outlet nozzle and the air suction nozzle of collar.

As a further description of the above technical solution:

the top of the contact block is elastically connected with the mounting ring through an extrusion spring, and the extrusion spring is embedded in the inner side of the rubber diaphragm.

As a further description of the above technical solution:

the mounting ring is fixedly connected with the sander through a bolt, a guide pipe is fixedly connected to the mounting ring, and the guide pipe is respectively communicated with the air outlet nozzle and the air suction nozzle.

As a further description of the above technical solution:

the below of collar is provided with the lid, and the top upper edge position fixedly connected with of lid has two connecting plates to two connecting plates correspond the setting with outer contact ring and interior contact ring.

As a further description of the above technical solution:

the dust collecting pipe is fixedly connected to the cover body, a scraping rod fixedly connected with the cover body is correspondingly arranged on one side of the dust collecting pipe, and the dust collecting pipe is arranged on the cover body in a rectangular array mode.

As a further description of the above technical solution:

the bottom fixedly connected with collection wind groove of lid, the dust absorption pipe runs through the lid and extends to the inboard and the collection wind groove intercommunication in collection wind groove.

The utility model discloses possess following beneficial effect at least:

1. the utility model discloses in, the grinder is in the motion process, and outer contact ring and interior contact ring laminate with workpiece surface all the time under the extrusion spring effect, when meetting the barrier, because contact block all adopts monomer disconnect-type structure in the interior outer contact ring, relative independent motion between each contact block to reduce the scope of influence when contacting with the barrier, guarantee the seal of device, thereby have better clearance effect.

2. The utility model discloses in, with butt joint between lid and the interior outer contact ring to dust absorption pipe laminating starts the grinder and carries out the reciprocating motion of low frequency at the surface of sponge abrasive paper, and abrasive paper rubs with scraping between the pole, scrapes the pole and can scrape the glutinous dust of gluing on it down, through the effect of dust absorption pipe, inhales the dust in the wind groove that gathers, carries to outside again, with this can be in order to accomplish the clearance operation to grinder abrasive paper.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without any creative effort.

Fig. 1 shows a front view provided in accordance with an embodiment of the present invention;

fig. 2 illustrates a bottom view provided in accordance with an embodiment of the present invention;

fig. 3 shows a top view structure diagram of a cover body according to an embodiment of the present invention;

fig. 4 shows a cover connection structure diagram provided in accordance with an embodiment of the present invention.

In the figure: 1. a sanding machine; 2. a mounting ring; 3. a bolt; 4. a rubber diaphragm; 5. an outer contact ring; 6. a conduit; 7. an air outlet nozzle; 8. a suction nozzle; 9. an inner contact ring; 10. a cover body; 11. a connecting plate; 12. a wind collecting groove; 13. a dust collection pipe; 14. a scraping rod; 15. compressing the spring.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1-4, a grinder with dust absorption mechanism, including grinder 1, 1 bottom fixedly connected with collar 2 of grinder, and the below outer lane fixedly connected with rubber diaphragm 4 of collar 2, and the outside contact ring 5 and the interior contact ring 9 of the below fixedly connected with of rubber diaphragm 4, a determining deviation has between outside contact ring 5 and the interior contact ring 9, all contain the contact piece that a plurality of clearances set up in outside contact ring 5 and the interior contact ring 9, the contact piece is independent motion each other, mutual clearance fit between the contact piece, the inboard fixedly connected with of collar 2 goes out tuyere 7 and suction nozzle 8.

Specifically, as shown in fig. 4, the top of the contact block is elastically connected with the mounting ring 2 through the extrusion spring 15, the contact block is arranged on the lower end face of the sanding machine 1 under the action of the extrusion spring 15, the extrusion spring 15 is embedded in the inner side of the rubber diaphragm 4, and the rubber diaphragm 4 ensures the sealing performance.

Specifically, as shown in fig. 1 and 2, the mounting ring 2 is fixedly connected with the sander 1 through the bolt 3, the mounting ring 2 is sleeved outside the bottom end of the sander 1, the mounting ring 2 is fixedly connected with the guide pipe 6, the guide pipe 6 is respectively communicated with the air outlet nozzle 7 and the air suction nozzle 8, the guide pipe 6 is communicated with the external air pump, the air outlet nozzle 7 is communicated with the output end of the air pump, and the air suction nozzle 8 is communicated with the input end of the air pump.

Specifically, as shown in fig. 1, 3 and 4, a cover 10 is disposed below the mounting ring 2, two connecting plates 11 are fixedly connected to the top edge of the cover 10, the two connecting plates 11 are disposed corresponding to the outer contact ring 5 and the inner contact ring 9, a gap between the two connecting plates 11 is in sliding fit with the inner contact ring 9, when the two connecting plates are in sliding fit, the cover 10 has a certain sealing effect on the bottom end of the sander 1, a dust suction pipe 13 is fixedly connected to the cover 10, a scraping rod 14 fixedly connected to the cover 10 is correspondingly disposed on one side of the dust suction pipe 13, the height of the scraping rod 14 is greater than that of the dust suction pipe 13, the dust suction pipe 13 is disposed on the cover 10 in a rectangular array, an air collecting groove 12 is fixedly connected to the bottom of the cover 10, the dust suction pipe 13 extends through the cover 10 to the inner side of the air collecting groove 12 to be communicated with the air collecting groove 12, the air collecting groove 12 is communicated with an external, the dust in the lid 10 is sucked through the dust suction pipe 13.

The working principle is as follows: in the working process of the sander 1, the outer contact ring 5 and the inner contact ring 9 are both attached to the surface of a workpiece, the sander 1 is pressed downwards to enable sand paper to be attached to the surface of the workpiece, the sander 1 is started to work, the sander 1 always keeps attachment between the outer contact ring 5 and the inner contact ring 9 and the workpiece in the front-back movement process, when a raised obstacle is encountered, contact blocks on the outer contact ring 5 and the inner contact ring 9 move upwards to cross the contact blocks to continue working, because the contact blocks in the outer contact ring 5 and the inner contact ring 9 are of a monomer separation type structure, when one of the contact blocks is raised, the contact blocks on the periphery cannot be affected, the tightness on the periphery is better ensured, a better dust collection effect is obtained, dust leakage is avoided, an external air pump carries out air transmission and air suction operation through a guide pipe 6, air flow enters the bottom of the sander 1 through the air outlet nozzle 7 and flows into the outside through the air inlet nozzle 8, after finishing one-time sanding operation, butting the cover body 10 with the inner and outer contact rings 5, so that the dust suction pipe 13 is attached to the surface of the sponge abrasive paper, starting the sander 1 to perform low-frequency reciprocating motion, rubbing the abrasive paper with the scraping rod 14, scraping the sticky dust on the scraping rod 14, sucking the dust into the air collecting groove 12 through the effect of the dust suction pipe 13, and conveying the dust to the outside, so that the sanding operation of the sander 1 can be finished.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a grinder with dust absorption mechanism, includes grinder (1), its characterized in that, grinder (1) bottom fixedly connected with collar (2), and the below outer lane fixedly connected with rubber diaphragm (4) of collar (2) to the below fixedly connected with of rubber diaphragm (4) contacts ring (5) and interior contact ring (9) outward, a determining deviation has between outer contact ring (5) and interior contact ring (9), all contain the contact piece that a plurality of clearances set up in outer contact ring (5) and interior contact ring (9), contact piece independent motion each other, the inboard fixedly connected with of collar (2) goes out tuyere (7) and suction tuyere (8).

2. The sander with a dust suction mechanism as set forth in claim 1, wherein the top of the contact block is elastically connected with the mounting ring (2) through a compression spring (15), and the compression spring (15) is embedded inside the rubber diaphragm (4).

3. The sander with the dust suction mechanism as set forth in claim 1, characterized in that the mounting ring (2) is fixedly connected with the sander (1) through bolts (3), and a conduit (6) is fixedly connected to the mounting ring (2), and the conduit (6) is respectively communicated with the air outlet nozzle (7) and the air suction nozzle (8).

4. The sander with the dust suction mechanism as claimed in claim 1, wherein a cover (10) is arranged below the mounting ring (2), two connecting plates (11) are fixedly connected to the top edge of the cover (10), and the two connecting plates (11) are arranged corresponding to the outer contact ring (5) and the inner contact ring (9).

5. The sander with the dust collection mechanism as claimed in claim 4, wherein the cover body (10) is fixedly connected with a dust collection pipe (13), and one side of the dust collection pipe (13) is correspondingly provided with a scraping rod (14) fixedly connected with the cover body (10), and the dust collection pipes (13) are arranged on the cover body (10) in a rectangular array.

6. The sander with the dust collection mechanism as claimed in claim 5, wherein the bottom of the cover body (10) is fixedly connected with the air collection groove (12), and the dust collection pipe (13) extends through the cover body (10) to the inner side of the air collection groove (12) to be communicated with the air collection groove (12).