CN217343722U

CN217343722U - Drill bit convenient for installation of drill bit

Info

Publication number: CN217343722U
Application number: CN202220402719.8U
Authority: CN
Inventors: 林昌财; 周东
Original assignee: Yueqing Furong Tool No1 Factory
Current assignee: Yueqing Furong Tool No1 Factory
Priority date: 2022-02-25
Filing date: 2022-02-25
Publication date: 2022-09-02
Anticipated expiration: 2032-02-25

Abstract

The utility model belongs to the technical field of the drill bit and specifically relates to a conveniently bore drill bit of piece installation and specifically relates to a drill bit of piece installation, it is including the drillstock, be provided with the first chip groove that is used for the chip removal on the drillstock, be provided with the mounting groove on the drillstock tip, install the piece of boring in the mounting groove, be provided with the fixed slot on the mounting groove diapire, be provided with on the piece diapire and be used for inserting the fixed block in the fixed slot. The application has the effect that the drill bit is difficult to displace in the process of welding the drill bit to the drill shank.

Description

Drill bit convenient for installation of drill bit

Technical Field

The application relates to the field of drill bits, in particular to a drill bit convenient for installation of a drill bit.

Background

Along with the development of the society in China, the science and technology is more and more developed, enterprises also strive to reduce production cost when producing, need the higher drill bit of hardness when drilling on the higher material of hardness, and the cost of manufacturing the higher drill bit of hardness is higher, then drill bit that drill bit and drill shank collocation were used has been produced, and the drill bit is used for drilling for the drill bit uses the higher material of hardness can, and the drill shank plays the effect of installation drill bit and chip removal.

The drill bit is including the drill handle, and the mounting groove has been seted up to the tip of drill handle, and insert in the mounting groove and weld and have the piece of boring, and the hardness of piece of boring is higher than the drill handle, has seted up the chip groove on the drill handle, and the piece of boring is used for drilling, and the chip groove on the drill handle is used for the chip removal.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: after the drill bit is inserted into the mounting groove, the drill bit can slide in the mounting groove generally, and when the drill bit displaces in the welding process, the rotating center of the drill bit and the rotating center of the drill handle deviate, so that the drill bit rotates eccentrically, and the drill bit is damaged easily during drilling.

SUMMERY OF THE UTILITY MODEL

In order to improve the piece of boring and take place the displacement at the in-process of welding at the drillstock to the rotation that makes the piece of boring is eccentric rotation, and the problem of drilling this moment easily produces the damage to the piece of boring, this application provides a drill bit that makes things convenient for the piece of boring installation.

The application provides a pair of drill bit of convenient drill plate installation adopts following technical scheme:

the utility model provides a drill bit of piece installation conveniently bores, including the drillstock, be provided with the first chip groove that is used for the chip removal on the drillstock, be provided with the mounting groove on the drillstock tip, install the drill bit in the mounting groove, be provided with the fixed slot on the mounting groove diapire, be provided with on the drillstock diapire and be used for inserting the fixed block in the fixed slot.

Through adopting above-mentioned technical scheme, when the staff need with the piece of brill when pre-installed on the drillstock, can insert the piece of brill to the mounting groove earlier, and insert after aiming at the fixed slot with the fixed block, the fixed block has played limiting displacement to the slip of the piece of brill in the mounting groove this moment with the cooperation of fixed slot, make the piece of brill be difficult to take place the displacement at the in-process of welding on the drillstock, thereby reduced the piece of brill weld back on the drillstock, the rotation center of the piece of brill does not overlap with the rotation center of drillstock, lead to the eccentric rotation of piece of brill to make the probability that the piece of brill is easily impaired, the leveling rate of the piece of brill installation on the drillstock has been improved, and the manufacturing cost is reduced.

Optionally, a first guide surface is arranged on the inner wall of the fixing groove, the first guide surface is obliquely arranged between the inner wall of the fixing groove and the bottom wall of the mounting groove, and the first guide surface is used for guiding the fixing block sliding on the bottom wall of the mounting groove to enter the fixing groove.

Through adopting above-mentioned technical scheme, come to play the guide effect to the fixed block through first guide face, the in-process that inserts the fixed slot when the fixed block has taken place crooked and has leaded to the fixed block to be difficult to the disect insertion to the fixed slot in, and make the fixed block lateral wall contradict on the mounting groove diapire, first guide face this moment will guide the fixed block to slide in the fixed slot for the fixed block is changeed and is inserted to the fixed slot in, has made things convenient for staff's operation, makes the staff more smooth and easy with the operation that the fixed block inserted the fixed slot.

Optionally, a jack is arranged on the inner wall of the fixing groove, the jack is further arranged on the side wall of the fixing block, an inserting rod slides in the jack, and the length of the inserting rod is greater than the depth of the jack on the fixing block.

Through adopting above-mentioned technical scheme, insert the fixed slot after in to when the fixed block to make the jack on the fixed slot inner wall align with the jack on the fixed block, alright insert the jack on the fixed block simultaneously with the jack on the fixed slot inner wall with the inserted bar this moment, the fixed block will be difficult to towards the fixed slot external slip under the limiting displacement of inserted bar this moment, reduced the drill plate and received under the effect of external force from the drill shank mistake slip and the probability that goes out, improved the stability of preinstallation between drill plate and the drill shank.

Optionally, the jack runs through the drill shank lateral wall to the external world, when the inserted bar inserts the jack on the fixed block, the tip lateral wall that the fixed block was kept away from to the inserted bar is parallel and level with the drill shank lateral wall.

By adopting the technical scheme, when the jack on the fixed block is aligned with the jack on the inner wall of the fixed groove, a worker can directly insert the inserted link into the fixed block from the outside, so that the operation of the worker is facilitated; and because the end part side wall of the inserted bar far away from the fixed block is flush with the outer side wall of the drill handle, the outer side wall of the drill handle is smooth, the condition that the inserted bar slides out of the jack due to the fact that a worker mistakenly touches the inserted bar is reduced, the probability of limiting the drill bit is eliminated, and the stability of pre-installation between the drill bit and the drill handle is further enhanced.

Optionally, a second guiding surface is provided on the inner wall of the mounting groove, the second guiding surface is located on the side wall of the end portion of the mounting groove far away from the fixing groove, and the second guiding surface is used for guiding the drill bit to be inserted into the fixing groove.

Through adopting above-mentioned technical scheme, when the staff need will bore the piece and insert to the mounting groove in, bore the piece and can contradict earlier on the second guide face, under the guide effect of second guide face, bore the piece and will slide into to the mounting groove in, made things convenient for staff's operation, the staff who makes will bore the piece and insert the manipulation in the mounting groove more smoothly.

Optionally, the mounting groove is communicated with the first chip discharge groove.

Through adopting above-mentioned technical scheme, be linked together through mounting groove and first chip groove for bore piece tip and be located first chip groove, when the drillstock rotates and drives the drill piece and drill, bore the piece and scrape down the bits and will directly be in first chip groove, make the bits discharge along first chip groove, improved the efficiency of chip removal.

Optionally, still be provided with the second chip groove that is used for the chip removal on the drill shank, be parallel to each other between first chip groove and the second chip groove.

By adopting the technical scheme, the second chip removal groove is formed in the drill handle, so that the chip removal area of the first chip removal groove is increased, the chip removal efficiency of the drill handle is further improved, and the drilling efficiency of workers is improved.

Optionally, the end portions of the first chip discharge groove and the second chip discharge groove are respectively communicated with two ends of the mounting groove.

Through adopting above-mentioned technical scheme, be linked together with the both ends of mounting groove respectively through the tip with first chip groove and second chip groove for the both ends of drilling the piece can be driped simultaneously, have further improved drilling efficiency.

In summary, the present application includes at least one of the following beneficial technical effects:

after the drill bit is welded on the drill handle, the rotation center of the drill bit is not overlapped with the rotation center of the drill handle, so that the probability that the drill bit is easily damaged due to eccentric rotation of the drill bit is reduced, the leveling rate of the drill bit mounted on the drill handle is improved, and the manufacturing cost is reduced.

Make the staff more smooth and easy with the operation of fixed block insertion fixed slot, reduced the drill plate under the effect that receives the external force from the drill shank mistake slip and the probability that goes out, improved the stability of installing in advance between drill plate and the drill shank, the staff that makes will drill the piece and insert the manipulation to the mounting groove more smooth and easy.

Drawings

Fig. 1 is a schematic diagram of an overall structure of a drill bit facilitating installation of a drill bit in an embodiment of the present application.

Fig. 2 is a schematic diagram of an exploded structure of the drill plate and the drill shank.

Fig. 3 is an enlarged schematic view of a structure at a in fig. 2.

Fig. 4 is a schematic view of a first flute and a second flute.

Description of the reference numerals: 1. a drill shank; 11. a first chip discharge groove; 12. a second chip groove; 2. mounting grooves; 21. fixing grooves; 22. a first guide surface; 23. a jack; 24. inserting a rod; 25. a second guide surface; 3. drilling a sheet; 31. and (5) fixing blocks.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a drill bit convenient for drill bit installation. Referring to fig. 1 and 2, the drill bit convenient for installation of the drill bit includes a drill handle 1, a first chip removal groove 11 for removing chips is formed in the drill handle 1, the first chip removal groove 11 extends spirally in the length direction, an installation groove 2 is formed in the end portion of the drill handle 1, and the first chip removal groove 11 is communicated with the installation groove 2. Insert in 2 mounting grooves have bored piece 3, the fixed slot 21 has been seted up on the central point of 2 diapire of mounting groove puts, the depth direction of fixed slot 21 extends along the length direction of drillstock 1, the central point of 3 diapire of brill piece puts and goes up fixedly connected with and be used for inserting the fixed block 31 in fixed slot 21, fixed block 31 is located the rotatory center of boring piece 3, the laminating of contradicting of fixed block 31 lateral wall and fixed slot 21 inner wall, the fixed block 31 of brill piece 3 inserts and accomplishes the preinstallation of boring piece 3 and drillstock 1 in the fixed slot 21 promptly.

Referring to fig. 2 and 3, a first guide surface 22 is provided on an inner wall of the fixing groove 21, the first guide surface 22 is obliquely provided between the inner wall of the fixing groove 21 and a bottom wall of the mounting groove 2, the first guide surface 22 is open toward the fixing groove 21, and the first guide surface 22 guides the fixing block 31 sliding on the bottom wall of the mounting groove 2 into the fixing groove 21.

Referring to fig. 2 and 3, a second guide surface 25 is provided on the inner wall of the mounting groove 2, the second guide surface 25 being located on an end side wall of the mounting groove 2 away from the fixing groove 21, the second guide surface 25 facing the outside of the mounting groove 2, the second guide surface 25 being for guiding the insertion of the drill piece 3 into the fixing groove 21.

Referring to fig. 2, the inner wall of the fixing groove 21 is provided with a jack 23, the jack 23 penetrates through the side wall of the drill shank 1 from the inner wall of the fixing groove 21 to the outside, the jack 23 is further provided on the side wall of the fixing block 31, when the fixing block 31 is inserted into the fixing groove 21, the length direction of the jack 23 of the fixing block 31 and the length direction of the jack 23 on the inner wall of the fixing groove 21 are on the same straight line, and the same insertion rod 24 is slid in the jack 23 of the fixing block 31 and the jack 23 on the inner wall of the fixing groove 21. The length of the inserted link 24 is equal to the depth of the insertion hole 23 on the fixing block 31 plus the depth of the insertion hole 23 on the inner wall of the fixing groove 21, and the inserted link 24 and the insertion hole 23 are in interference fit. And when the plug rod 24 is inserted into the insertion hole 23 on the fixed block 31, the side wall of the end part of the plug rod 24 far away from the fixed block 31 is flush with the outer side wall of the drill shank 1.

Referring to fig. 2 and 3, a second chip groove 12 is further formed in the outer side wall of the drill shank 1, the second chip groove 12 extends spirally in the length direction, the first chip groove 11 and the second chip groove 12 are parallel to each other, and the end portions of the first chip groove 11 and the second chip groove 12 are respectively communicated with the two ends of the mounting groove 2, so that the two ends of the drill piece 3 are respectively located in the first chip groove 11 and the second chip groove 12.

The implementation principle of the drill bit convenient for drill bit installation in the embodiment of the application is as follows: when the worker needs to pre-install the drill bit 3 on the drill shank 1, the drill bit 3 can be inserted into the mounting groove 2, the drill bit 3 firstly abuts against the second guide surface 25, slides into the mounting groove 2 under the guide of the second guide surface 25, then the fixing block 31 is inserted into the fixing groove 21, the fixing block 31 is inserted into the fixing groove 21 under the guide of the first guide surface 22, when the fixing block 31 is completely inserted into the fixing groove 21, the insertion hole 23 on the fixing block 31 is aligned with the insertion hole 23 on the inner wall of the fixing groove 21, the worker can penetrate the insertion rod 24 into the fixing block 31 from the outside, and therefore the pre-installation of the drill bit 3 and the drill shank 1 is completed.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a drill bit of piece installation conveniently bores, including drillstock (1), be provided with first chip groove (11) that are used for the chip removal on drillstock (1), be provided with mounting groove (2) on drillstock (1) tip, install in mounting groove (2) and bore piece (3), its characterized in that: the drill bit is characterized in that a fixing groove (21) is formed in the bottom wall of the mounting groove (2), and a fixing block (31) inserted into the fixing groove (21) is arranged on the bottom wall of the drill bit (3).

2. A drill bit for facilitating drill bit installation according to claim 1, wherein: the inner wall of the fixing groove (21) is provided with a first guide surface (22), the first guide surface (22) is obliquely arranged between the inner wall of the fixing groove (21) and the bottom wall of the mounting groove (2), and the first guide surface (22) is used for guiding a fixing block (31) sliding on the bottom wall of the mounting groove (2) to enter the fixing groove (21).

3. The drill bit facilitating drill bit installation of claim 1, wherein: be provided with jack (23) on fixed slot (21) inner wall, jack (23) still set up on fixed block (31) lateral wall, it has inserted bar (24) to slide in jack (23), the length of inserted bar (24) is greater than the degree of depth of jack (23) on fixed block (31).

4. A drill bit for facilitating drill bit installation according to claim 3, wherein: the jack (23) runs through the side wall of the drill shank (1) to the outside, and when the inserted bar (24) is inserted into the jack (23) on the fixed block (31), the end part side wall of the inserted bar (24) far away from the fixed block (31) is flush with the outer side wall of the drill shank (1).

5. The drill bit facilitating drill bit installation of claim 1, wherein: and a second guide surface (25) is arranged on the inner wall of the mounting groove (2), the second guide surface (25) is positioned on the side wall of the end part of the mounting groove (2) far away from the fixing groove (21), and the second guide surface (25) is used for guiding the drill bit (3) to be inserted into the fixing groove (21).

6. The drill bit facilitating drill bit installation of claim 1, wherein: the mounting groove (2) is communicated with the first chip discharge groove (11).

7. The drill bit facilitating drill bit installation of claim 1, wherein: still be provided with second chip groove (12) that are used for the chip removal on drill handle (1), be parallel to each other between first chip groove (11) and second chip groove (12).

8. The drill bit facilitating drill bit installation of claim 7, wherein: the end parts of the first chip discharge groove (11) and the second chip discharge groove (12) are respectively communicated with the two ends of the mounting groove (2).