Drill bit dust collection system with side dust collection holes

Abstract

The utility model belongs to the technical field of drilling equipment, and discloses a drill bit dust collection system with side dust collection holes, which comprises a sleeve, a dust collection hole and a dust collection hole, the holding cylinder is fixed to the outer side wall of the middle section of the sleeve, the two ends of the holding cylinder are open, a first round through hole is formed in the peripheral wall of the sleeve, and the holding cylinder is in through connection with the sleeve through the first round through hole; the connecting shaft is rotationally connected to the inner side of the sleeve, the two ends of the connecting shaft extend to the outer side of the sleeve, the interior of the connecting shaft is hollow, the two ends of the connecting shaft are open, a second circular through hole is formed in the peripheral wall, close to the holding cylinder, of the connecting shaft, and when the second circular through hole rotates to face the holding cylinder, the second circular through hole is in through connection with the first circular through hole; and through cooperative arrangement of a connecting shaft, a second round through hole, a sleeve, a first round through hole and a holding cylinder, dust generated in the drilling process can be discharged and collected in time, and a large amount of dust is prevented from being diffused into air.

Description

Technical Field

[0001] The present invention belongs to the technical field of drilling equipment, and in particular relates to a drill bit dust suction system with side dust suction holes. Background Art

[0002] During the drilling operation, a large amount of dust is generated due to the friction between the drill bit and the workpiece and the rotation speed of the drill bit. These fine dust particles diffuse into the surrounding air, further disturbing the working area environment and affecting the workers' line of sight, which is not conducive to the drilling work. In addition, since the dust particles are small in size, they are easily inhaled into the human body, posing a potential threat to the human body. Therefore, it is necessary to collect and process the dust generated during drilling to avoid a large amount of dust diffusing into the air during drilling. However, most of the drilling equipment in the prior art lacks the problem of timely removal and collection of the generated dust during operation. Utility Model Content

[0003] In view of the deficiencies in the prior art, the purpose of the present invention is to provide a drill bit dust suction system with side dust suction holes, which solves the problem that most drilling equipment in the prior art lacks timely removal and collection of generated dust during operation.

[0004] The purpose of this disclosure can be achieved through the following technical solutions:

[0005] A drill bit dust suction system with a side dust suction hole, comprising:

[0006] A sleeve, both ends of the sleeve are open;

[0007] The grip tube is fixed on the outer wall of the middle section of the sleeve, both ends of the grip tube are open, a first round through hole is opened on the peripheral wall of the sleeve, and the grip tube is connected with the sleeve through the first round through hole;

[0008] A connecting shaft is rotatably connected to the inner side of the sleeve, both ends of the connecting shaft extend to the outer side of the sleeve, the interior of the connecting shaft is hollow and both ends are open, a second circular through hole is opened on the peripheral wall of the connecting shaft near the grip tube, and when the second circular through hole is rotated to face the grip tube, the second circular through hole is connected with the first circular through hole.

[0009] The principle and effect of the above technical solution are as follows:

[0010] When in use, a drill bit is installed at one end of the connecting shaft, and a dust suction channel is provided inside the drill bit. The drill bit is preferably a hollow drill bit, and the hollow cavity inside the drill bit is connected to the inside of the connecting shaft;

[0011] The other end of the connecting shaft is connected to a driving member for driving the connecting shaft to rotate, and the driving member can be a rotating motor;

[0012] One end of the grip tube away from the sleeve is connected to a negative pressure extraction unit, such as a dust collector;

[0013] When drilling, the connecting shaft and the drill bit are driven by the driving member to rotate to drill holes, and the dust collector is turned on at the same time. The generated dust enters the connecting shaft through the drill bit. When the connecting shaft drives the second round through hole to rotate to be connected with the grip tube, due to the negative pressure generated by the dust collector, the dust in the connecting shaft is extracted and passes through the second round through hole and the first round through hole in turn to enter the grip tube. Finally, the dust is discharged from the grip tube away from the sleeve end and is collected in the dust collector. Through the coordinated arrangement of the connecting shaft, the second round through hole, the sleeve, the first round through hole and the grip tube, the dust generated during the drilling process can be discharged and collected in time to prevent a large amount of dust from diffusing into the air.

[0014] Both ends of the sleeve are provided with rolling bearings placed coaxially, the rolling bearings are sleeved on the connecting shaft, the inner side walls of the inner rings of the rolling bearings are fixed to the connecting shaft, and the outer side walls of the outer rings of the rolling bearings are fixed to the inner wall of the sleeve;

[0015] A coaxially placed annular block is fixed inside the sleeve, the annular block is located between the two rolling bearings, the inner peripheral wall of the annular block is in contact with the peripheral wall of the connecting shaft and is rotatably connected thereto, a third circular through hole is opened on the peripheral wall of the annular block close to the grip tube, the third circular through hole is coaxially placed with the first circular through hole, and the diameter of the third circular through hole is equal to the diameter of the first circular through hole;

[0016] The second round through holes are arranged in a plurality of evenly distributed annularly around the central axis of the connecting shaft;

[0017] An external thread is provided on the outer side wall of one end of the connecting shaft;

[0018] An internal thread groove is provided on the inner peripheral wall of the other end of the connecting shaft;

[0019] The internal thread groove is located inside the connecting shaft, the internal thread groove is close to the end of the connecting shaft farthest from the external thread, and the diameter of the hole inside the end of the connecting shaft farthest from the external thread gradually increases away from the external thread end;

[0020] A circular groove is provided on the outer wall of the connecting shaft near the end of the internal thread groove. The circular groove is coaxially arranged with the connecting shaft and is located outside the sleeve. A C-shaped buckle ring is rotatably connected in the circular groove.

[0021] The nouns, conjunctions or adjectives involved in the above technical solution are explained as follows:

[0022] Fixed connection: refers to the process of firmly connecting two or more parts, components or equipment together by means of bolts, welding, adhesives, clamps, etc., so that they will not accidentally separate or move during use.

[0023] Rotational connection: Two objects are in contact but not fixed, and can rotate relative to each other.

[0024] Beneficial effects of the present disclosure:

[0025] 1. After assembling the drill bit, the rotating motor and the dust collector on the structure of the present invention, the dust collector is turned on while drilling. The dust generated by drilling enters the connecting shaft through the drill bit. When the connecting shaft drives the second round through hole to rotate to be connected with the grip tube, the dust in the connecting shaft is extracted and passes through the second round through hole and the first round through hole in sequence to enter the grip tube due to the negative pressure generated by the dust collector. Finally, the dust is discharged from the grip tube away from the sleeve end and collected in the dust collector, so that the dust generated during the drilling process can be discharged and collected in time to prevent a large amount of dust from spreading into the air.

[0026] 2. By setting the rolling bearing, the friction of the connecting shaft during rotation is reduced, the rotation of the connecting shaft is made smoother, and the stability of the connection of the connecting shaft is improved;

[0027] At the same time, by setting up multiple second circular through holes, the dust collection efficiency can be improved, and the dust in the connecting shaft can be extracted and discharged in time; and in conjunction with the circular ring block and the third circular through hole, dust can be prevented from falling through the second circular through hole into the gap between the sleeve and the connecting shaft, and the circular ring block can seal the second circular through hole when it is not connected to the third circular through hole. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0029] Figure 1 is a schematic diagram of the overall structure of an embodiment of the present disclosure;

[0030] Figure 2 is a schematic diagram of the overall structure of the embodiment of the present disclosure from different viewing angles;

[0031] Figure 3 is a partial structural schematic diagram of the first round through hole of an embodiment of the present disclosure;

[0032] Figure 4 It is a partial structural schematic diagram of a circular ring block of an embodiment of the present disclosure;

[0033] Figure 5 It is a partial structural schematic diagram of the connecting shaft of an embodiment of the present disclosure;

[0034] Figure 6 It is a schematic diagram of the structure after the dust collector, drill bit and rotating motor are installed in the embodiment of the present disclosure. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the embodiments of the present disclosure to clearly and completely describe the technical solutions in the embodiments of the present disclosure. Obviously, the described embodiments are only part of the embodiments of the present disclosure, rather than all the embodiments. Based on the embodiments in the present disclosure, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present disclosure.

[0036] Combined with this Figures 1 to 6 To describe an embodiment of a drill dust suction system with a side dust suction hole. Specifically, the drill dust suction system with a side dust suction hole is constructed as a split structure, which has three parts, namely, a sleeve 100, a grip 200, and a connecting shaft 300. After the drill 700, the rotating motor 800, and the dust collector 900 are assembled on the structure of the present disclosure, the dust collector 900 is turned on while drilling, and the generated dust enters the connecting shaft 300 through the drill 700. When the connecting shaft 300 drives the second round through hole 301 to rotate to be connected with the grip 200, due to the negative pressure generated by the dust collector 900, the dust in the connecting shaft 300 is extracted and sequentially passes through the second round through hole 301 and the first round through hole 101 and enters the grip 200. Finally, the dust is discharged from the grip 200 away from the sleeve 100 end and is collected in the dust collector 900, so that the dust generated during the drilling process can be discharged and collected in time to prevent a large amount of dust from spreading into the air.

[0037] Please refer to Figures 1 to 6 , a drill bit dust suction system with a side dust suction hole, comprising:

[0038] A sleeve 100, both ends of the sleeve 100 are open;

[0039] The grip tube 200 is fixed on the outer wall of the middle section of the sleeve 100. Both ends of the grip tube 200 are open. A first round through hole 101 is opened on the peripheral wall of the sleeve 100. The grip tube 200 is connected to the sleeve 100 through the first round through hole 101.

[0040] The connecting shaft 300 is rotatably connected to the inner side of the sleeve 100. Both ends of the connecting shaft 300 extend to the outer side of the sleeve 100. The connecting shaft 300 is hollow inside and both ends are open. A second round through hole 301 is formed on the peripheral wall of the connecting shaft 300 near the grip tube 200. When the second round through hole 301 rotates to face the grip tube 200, the second round through hole 301 is connected with the first round through hole 101.

[0041] The sleeve 100 is in the shape of a hollow cylinder and can be made of aluminum alloy or stainless steel, and its surface is specially treated to improve corrosion resistance and wear resistance. At the same time, the sleeve 100 needs to be light and strong, and suitable for high-demand working environments.

[0042] The grip tube 200 is similar in shape to a handle and is made of high-strength plastic or metal. The exterior design is ergonomic. Anti-slip grooves may be provided on the outer wall of the grip tube 200 to provide a comfortable grip and is suitable for long-term use.

[0043] The connecting shaft 300 can be made of stainless steel. Stainless steel also has high strength and hardness, can withstand high-load working conditions, and maintain the stability and durability of the connecting shaft. In addition, stainless steel has good chemical stability and can resist the erosion of most corrosive media, ensuring the long-term reliable operation of the connecting shaft 300 in harsh environments.

[0044] When in use, a drill bit 700 is installed at one end of the connecting shaft 300, and a dust suction channel is provided inside the drill bit 700. The drill bit 700 is preferably a hollow drill bit 700, and the hollow cavity inside the drill bit 700 is connected to the inside of the connecting shaft 300;

[0045] The other end of the connecting shaft 300 is connected to a driving member for driving the connecting shaft 300 to rotate, and the driving member can be a rotating motor 800;

[0046] One end of the grip tube 200 away from the sleeve 100 is connected to a negative pressure extraction unit, such as a dust collector 900;

[0047] When drilling, the connecting shaft 300 and the drill bit 700 are driven to rotate by the driving member to drill, and the dust collector 900 is turned on at the same time. The generated dust enters the connecting shaft 300 through the drill bit 700. When the connecting shaft 300 drives the second circular through hole 301 to rotate to be connected with the grip tube 200, due to the negative pressure generated by the dust collector 900, the dust in the connecting shaft 300 is extracted and passes through the second circular through hole 301 and the first circular through hole 101 in turn and enters the grip tube 200. Finally, the dust is discharged from the end of the grip tube 200 away from the sleeve 100 and is collected in the dust collector 900 to prevent the dust from diffusing into the air in large quantities.

[0048] In order to facilitate the rotation of the connecting shaft 300 and improve the stability of the connection, coaxially placed rolling bearings 400 are provided at both ends of the sleeve 100. The rolling bearings 400 are sleeved on the connecting shaft 300, and the inner walls of the inner rings of the rolling bearings 400 are fixed to the connecting shaft 300, and the outer walls of the outer rings of the rolling bearings 400 are fixed to the inner walls of the sleeve 100. By setting the rolling bearings 400, the friction of the connecting shaft 300 during rotation is reduced, making the rotation of the connecting shaft 300 smoother and improving the stability of the connection of the connecting shaft 300.

[0049] Due to the setting of the rolling bearing 400, there is a gap between the outer wall of the connecting shaft 300 and the outer wall of the sleeve 100. A coaxially placed annular block 500 is fixed on the inner side of the sleeve 100. The annular block 500 is located between the two rolling bearings 400. The inner circumferential wall of the annular block 500 is in contact with the circumferential wall of the connecting shaft 300 and is rotatably connected thereto. A third circular through hole 501 is opened on the circumferential wall of the annular block 500 close to the grip tube 200. The third circular through hole 501 is coaxially placed with the first circular through hole 101, and the diameter of the third circular through hole 501 is equal to the diameter of the first circular through hole 101. By setting the annular block 500, dust can be prevented from passing through the second circular through hole 301 and falling into the gap between the sleeve 100 and the connecting shaft 300. At the same time, the setting of the annular block 500 can seal and plug the second circular through hole 301 when it is not through-connected with the third circular through hole 501.

[0050] In order to improve the dust collection efficiency, multiple second circular through holes 301 are arranged to be evenly distributed in a ring shape around the central axis of the connecting shaft 300; by providing multiple second circular through holes 301, during each rotation of the connecting shaft 300, multiple different second circular through holes 301 can be connected to the first circular through hole 101 in sequence, that is, during each rotation of the connecting shaft 300, dust extraction can be performed multiple times, thereby improving the dust collection efficiency and facilitating the timely extraction and discharge of dust in the connecting shaft 300.

[0051] In order to facilitate the connection of the drill bit 700, an external thread 302 is provided on the outer wall of one end of the connecting shaft 300; through the setting of the external thread 302 on the connecting shaft 300, the drill bit 700 is sleeved on the connecting shaft 300 and threadedly connected thereto, which facilitates the disassembly and assembly of the drill bit 700.

[0052] In order to facilitate the connection of the driving member, an internal thread groove 303 is provided on the inner peripheral wall of the other end of the connecting shaft 300; preferably, the drivable member can be a rotating motor 800, and the end of the rotating shaft at the output end of the rotating motor 800 is provided with thread teeth that match the internal thread groove 303, so that the rotating shaft at the output end of the rotating motor 800 can be detachably connected to the connecting shaft 300;

[0053] The internal thread groove 303 is located inside the connecting shaft 300, and the internal thread groove 303 is close to the end of the connecting shaft 300 farthest from the external thread 302, and the diameter of the hole inside the end of the connecting shaft 300 farthest from the external thread 302 gradually increases away from the end of the external thread 302; this is convenient for the output end shaft of the rotating motor 800 to be inserted into the interior and threadedly connected with the internal thread groove 303.

[0054] Preferably, a first ear plate is fixed to the peripheral wall of the sleeve 100, and a second ear plate is fixed to the housing of the rotating motor 800. After the output shaft of the rotating motor 800 is threadedly connected with the connecting shaft 300, the first ear plate and the second ear plate can be stably connected by bolts.

[0055] An annular groove 304 is provided on the outer wall of the connecting shaft 300 near the end of the internal thread groove 303 . The annular groove 304 is coaxial with the connecting shaft 300 and is located outside the sleeve 100 . A C-shaped buckle ring 600 is rotatably connected in the annular groove 304 .

[0056] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present disclosure. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0057] The above shows and describes the basic principles, main features and advantages of the present disclosure. Those skilled in the art should understand that the present disclosure is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principles of the present disclosure. Without departing from the spirit and scope of the present disclosure, the present disclosure may have various changes and improvements, and these changes and improvements fall within the scope of the present disclosure to be protected.

Claims

1. A drill bit dust suction system with side dust suction holes, characterized in that: include: A sleeve (100), both ends of the sleeve (100) are open; A grip tube (200), the grip tube (200) is fixed on the outer wall of the middle section of the sleeve (100), both ends of the grip tube (200) are open, a first round through hole (101) is opened on the peripheral wall of the sleeve (100), and the grip tube (200) is connected to the sleeve (100) through the first round through hole (101); A connecting shaft (300) is rotatably connected to the inner side of the sleeve (100), both ends of the connecting shaft (300) extend to the outer side of the sleeve (100), the interior of the connecting shaft (300) is hollow and both ends are open, a second circular through hole (301) is provided on the peripheral wall of the connecting shaft (300) near the grip tube (200), and when the second circular through hole (301) is rotated to face the grip tube (200), the second circular through hole (301) is connected to the first circular through hole (101).

2. A drill bit dust suction system with side dust suction holes according to claim 1, characterized in that: Coaxially placed rolling bearings (400) are provided at both ends of the sleeve (100). The rolling bearings (400) are sleeved on the connecting shaft (300). The inner side walls of the inner rings of the rolling bearings (400) are fixed to the connecting shaft (300), and the outer side walls of the outer rings of the rolling bearings (400) are fixed to the inner wall of the sleeve (100).

3. A drill bit dust suction system with side dust suction holes according to claim 2, characterized in that: A coaxially arranged annular block (500) is fixed to the inner side of the sleeve (100). The annular block (500) is located between the two rolling bearings (400). The inner circumferential wall of the annular block (500) is in contact with the circumferential wall of the connecting shaft (300) and is rotatably connected thereto. A third circular through hole (501) is provided on the circumferential wall of the annular block (500) near the grip tube (200). The third circular through hole (501) is coaxially arranged with the first circular through hole (101), and the diameter of the third circular through hole (501) is equal to the diameter of the first circular through hole (101).

4. A drill bit dust suction system with side dust suction holes according to claim 3, characterized in that: The second circular through holes (301) are arranged to be evenly distributed in a ring shape around the central axis of the connecting shaft (300).

5. A drill bit dust suction system with side dust suction holes according to claim 4, characterized in that: An external thread (302) is provided on the outer wall of one end of the connecting shaft (300).

6. A drill bit dust suction system with side dust suction holes according to claim 5, characterized in that: An internal thread groove (303) is formed on the inner peripheral wall of the other end of the connecting shaft (300).

7. A drill bit dust suction system with side dust suction holes according to claim 6, characterized in that: The internal thread groove (303) is located inside the connecting shaft (300), close to the end of the connecting shaft (300) farthest from the external thread (302), and the diameter of the hole inside the end of the connecting shaft (300) farthest from the external thread (302) gradually increases away from the end of the external thread (302).

8. A drill bit dust suction system with side dust suction holes according to claim 7, characterized in that: A circular groove (304) is provided on the outer wall of the connecting shaft (300) near the end of the internal thread groove (303). The circular groove (304) and the connecting shaft (300) are coaxially arranged. The circular groove (304) is located outside the sleeve (100). A C-shaped buckle ring (600) is rotatably connected in the circular groove (304).

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