CN212917755U

CN212917755U - Efficient row-cutting black-and-white drill

Info

Publication number: CN212917755U
Application number: CN202021827190.1U
Authority: CN
Inventors: 徐军
Original assignee: Danyang Mili Precision Tools Co ltd
Current assignee: Danyang Mili Precision Tools Co ltd
Priority date: 2020-08-27
Filing date: 2020-08-27
Publication date: 2021-04-09
Anticipated expiration: 2030-08-27

Abstract

The utility model discloses a high-efficient row cuts black and white brill, its technical scheme is: including drillstock, drilling rod and drill bit, drillstock and drilling rod formula structure as an organic whole, the drillstock top is equipped with the platode, the platode cross-section sets up to the fillet rectangle, the drillstock bottom is equipped with the drill neck, it is equipped with the drilling rod to bore the neck bottom, drilling rod bottom threaded connection drill bit, the drilling rod includes cutter body and spliced pole, the cutter body with bore neck fixed connection, the sword ditch is seted up to the cutter body outer wall, the sword ditch is equipped with two sets ofly, and is two sets of the sword ditch winds drilling rod outer wall evenly distributed, cutter body bottom central point puts and sets up recess one, the beneficial effects of the utility model are that: the cutting edge groove is arranged on the surface of the drill rod and is matched with the cutting row groove, and when the drill point works, generated scraps can be directly and quickly arranged and cut through the cutting row groove and the cutting edge groove.

Description

Efficient row-cutting black-and-white drill

Technical Field

The utility model relates to a black and white brill row cuts technical field, concretely relates to high-efficient row cuts black and white brill.

Background

The black-and-white drill is widely applicable to reinforcement of beams, plates, columns, walls and the like of buildings, decoration, wall installation, supports, railings, advertising boards, air conditioner outdoor units, guide rails, satellite receiver elevators, steel structure plants and the like, parts are frequently required to be punched and processed in the field of daily buildings or machining, the black-and-white drill is required to be used, and the audience range is wide.

The prior art has the following defects: the current black and white bores often needs to beat the deep hole, because produce a large amount of pieces often because unable quick discharge at the in-process of punching, leads to people to need pause to punch, just can continue to punch after the piece clearance of downthehole production earlier, and efficiency is lower, needs to prepare a plurality of black and white drills at any time in the face of different operating modes in addition and replaces, needs great toolbox to place the drill bit, and inconvenient people use.

Therefore, the invention is necessary to develop a high-efficiency row-cutting black-and-white drill.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides a high-efficient row cuts black and white brill through installing the drill bit in the recess one of drilling rod bottom, installs drill bit bottom with drill bit one, can realize installing fast in drill bit bottom and replacing the drill bit, makes things convenient for the workman to provide work efficiency, in the piece of drilling output is along with the rotatory centrifugal force accessible sword ditch of drilling rod takes the discharge hole to solve black and white brill and be convenient for demolish the installation and arrange the problem of cutting fast.

In order to achieve the above object, the present invention provides the following technical solutions: a high-efficiency row-cutting black-and-white drill comprises a drill handle, a drill rod and a drill bit.

Preferably, the drill handle and the drill rod are of an integrated structure, the top of the drill handle is provided with a flat tail, the cross section of the flat tail is of a round-corner rectangle, a drill neck is arranged at the bottom of the drill handle, a drill rod is arranged at the bottom of the drill neck, a drill bit is connected at the bottom of the drill rod through threads, the drill rod comprises a cutter body and a connecting column, the cutter body is fixedly connected with the drill neck, the outer wall of the cutter body is provided with a cutting edge groove, two groups of blade ditches are arranged, the two groups of blade ditches are uniformly distributed around the outer wall of the drill rod, a first groove is formed in the center of the bottom of the cutter body, the first groove is annular, the inner wall of the first groove is provided with internal threads, the central position of the first groove is provided with a connecting column, the connecting column is a cylinder, the outer wall of the connecting column is smooth, the drill bit is connected with the first groove inner bolt, a first mounting groove is formed in the inner wall of the bottom of the drill bit, and threads are arranged on the inner wall of the first mounting groove.

Preferably, drill bit top central point puts and is equipped with the screw thread post, screw thread post central point puts and is equipped with recess two, two inner wall surfaces of recess are smooth, two cooperation grafting spliced poles of recess use.

Preferably, the outer wall of the threaded column is provided with an external thread, and the external thread is matched with the internal thread on the inner wall of the groove.

Preferably, the bottom of the threaded column is provided with a nut body, the outer wall of the nut body is in a hexagon nut shape, and the nut body is matched with a wrench for use.

Preferably, the bottom of the drill bit is in threaded connection with a first drill point, a connecting column is arranged at the top of the first drill point and is in threaded connection with a first mounting groove, a second mounting groove is formed in the bottom of the first drill point, the inner wall of the second mounting groove is in threaded connection with a second drill point, a row cutting groove is formed in the outer wall of the second drill point in a surrounding mode, and the row cutting groove is in the same direction as the blade groove.

The drill bit further comprises a third drill tip, the third drill tip is in threaded connection with the first drill tip, the bottom of the third drill tip is conical, the outer wall of the third drill tip is provided with edge grinding lines, and the edge grinding lines are wound around the three surfaces of the drill tip.

The utility model has the advantages that:

1. by separately designing the drill rod and the drill tip of the black-and-white drill, a user can directly replace the drill tip so as to meet different construction requirements without integrally replacing the whole black-and-white drill, so that the working requirement can be met, the manufacturing material cost can be greatly saved, the quality of the black-and-white drill can be reduced, and the user can conveniently carry the black-and-white drill with great effort due to the requirement of multiple groups of black-and-white drills;

2. the cutting edge groove is arranged on the surface of the drill rod and is matched with the cutting edge discharge groove, when the drill point works, generated scraps can be directly discharged and cut rapidly through the cutting edge discharge groove and the cutting edge groove, and continuous work of the black-white drill can be realized until required drilling work is completed.

Drawings

Fig. 1 is a schematic structural diagram provided by the present invention;

fig. 2 is a three-dimensional view of a drill rod provided by the present invention;

fig. 3 is a schematic view of a structure of a drill tip provided by the present invention;

FIG. 4 is a schematic structural view of a second drill tip provided by the present invention;

fig. 5 is a schematic structural diagram of embodiment 2 provided by the present invention.

In the figure: the drill bit comprises a drill handle 100, a flat tail 110, a drill neck 120, a drill rod 200, a cutter body 210, an edge groove 211, a connecting column 220, a first groove 212, an internal thread 213, a drill bit 300, a threaded column 310, an external thread 311, a second groove 312, a first mounting groove 313, a nut body 320, a first drill tip 330, a second mounting groove 331, a second drill tip 340, a row of cutting grooves 341, a third drill tip 350 and an edge grinding line 351.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example 1:

referring to fig. 1-4, the present invention provides a high-efficiency row-cutting black and white drill, which comprises a drill handle 100, a drill rod 200 and a drill bit 300;

further, the drill handle 100 and the drill rod 200 are of an integrated structure, specifically, the top of the drill handle 100 is provided with a flat tail 110, the section of the flat tail 110 is set to be a round rectangle, the bottom of the drill handle 100 is provided with a drill neck 120, the bottom of the drill neck 120 is provided with a drill rod 200, the bottom of the drill rod 200 is in threaded connection with a drill bit 300, the drill rod 200 comprises a cutter body 210 and a connecting column 220, the cutter body 210 is fixedly connected with the drill neck 120, the outer wall of the cutter body 210 is provided with two groups of blade grooves 211, the two groups of blade grooves 211 are uniformly distributed around the outer wall of the drill rod 200, the central position of the bottom of the cutter body 210 is provided with a first groove 212, the first groove 212 is set to be annular, the inner wall of the first groove 212 is provided with internal threads 213, the central position of the first groove 212 is provided with the connecting column 220;

the drill shank 100 has a function of holding a drill rod on a drilling machine, the tang 110 has a function of clamping, the drill rod 200 has a function of extending a drill tip to drill a hole, the drill bit 300 has a function of rotary drilling, and the drill neck 120 is located at a transition portion between the cutter body and the drill shank. The cutter body 210 has the function of rotatably punching a part during drilling, the blade groove 211 has the function of discharging scraps generated by punching into a hole, the first groove 212 has the function of being in threaded connection with the drill bit 300, the internal thread 213 and the external thread 311 are matched for use to have the function of connecting the drill rod 200 and the drill bit 300, the drill bit 300 has the function of punching, the connecting column 220 has the function of installing the drill bit 300, and the first mounting groove 313 has the function of installing the first drill point 330;

further, a threaded column 310 is arranged at the center of the top of the drill bit 300, specifically, a second groove 312 is arranged at the center of the threaded column 310, the inner wall surface of the second groove 312 is smooth, the second groove 312 is matched with the plug connection column 220 for use, the threaded column 310 has the function of being in threaded connection with the drill rod 200, and the second groove 312 has the function of being connected with the plug connection column 220 to reinforce the connecting part;

further, the outer wall of the threaded column 310 is provided with an external thread 311, and specifically, the external thread 311 is matched with the internal thread 213 on the inner wall of the first groove 212;

further, the bottom of the threaded column 310 is provided with a nut body 320, specifically, the outer wall of the nut body 320 is in a hexagon nut shape, the nut body 320 is matched with a wrench for use, and when the drill bit 300 and the drill tip one 330 are replaced, the nut body 320 can be installed and detached by screwing the wrench;

furthermore, the bottom of the drill bit 300 is in threaded connection with a first drill tip 330, the top of the first drill tip 330 is provided with a connecting column 220, the connecting column 220 is in threaded connection with a first mounting groove 313, the bottom of the first drill tip 330 is provided with a second mounting groove 331, the inner wall of the second mounting groove 331 is in threaded connection with a second drill tip 340, the outer wall of the second drill tip 340 is provided with a row cutting groove 341 in a surrounding mode, the row cutting groove 341 and the blade groove 211 are in the same direction, so that chips in the row cutting groove 341 can be continuously and outwards cut through the blade groove 211, the first drill tip 330 is directly in butt joint with the bottom of the drill bit 300 for convenient and efficient construction, the second drill tip 340 has the function of replacing the first drill tip 330, and the row cutting groove 341 can.

The utility model discloses a use as follows: use the utility model discloses in time install drill bit 300 in recess one 212 of drilling rod 200 bottom through the spanner, align to peg graft inside recess two 312 with spliced pole 220, then screw up drill bit 300 and then connect drilling rod 200 through rig centre gripping tang 110, can carry out drilling operation to the part of required drilling through opening the rig afterwards, when the needs are longer or need punch the requirement of punching of bigger aperture, with drill bit 300 bottom of first 330 reinstallations of drill point, can realize installing fast in drill bit 300 bottom and replace the drill point, make things convenient for the workman to provide work efficiency, in the piece of drilling output is along with the rotatory centrifugal force accessible sword ditch 211 of drilling rod 200 takes the export, can arrange fast and cut.

Example 2:

referring to fig. 5, the present invention provides a high-efficiency row-cutting black-and-white drill, which includes a drill handle 100, a drill rod 200 and a drill bit 300;

further, the drill bit 300 further comprises a drill tip III 350, concretely, the drill tip III 350 is in threaded connection with the drill tip I330, the bottom of the drill tip III 350 is in a conical shape, the outer wall of the drill tip III 350 is provided with edge grinding lines 351, the edge grinding lines 351 are wound on the surface of the drill tip III 350, the material of the drill tip III 350 is set to be carbon fiber reinforced resin matrix, the carbon fiber reinforced resin matrix has the advantages of being high in strength, high in hardness and light in weight, the drill tip III 350 has a hole expanding effect, and the edge grinding lines 351 have the effect of increasing the friction force between the drill tip III 350 and the inner wall of a drill hole so as to rapidly.

The utility model discloses a use as follows: with the replacement in embodiment 1 three 350 of drill point, use the utility model discloses the time with drill bit 300 install in the recess 212 of drilling rod 200 bottom through the spanner, align to peg graft inside recess two 312 with spliced pole 220, then screw up drill bit 300 and then connect drilling rod 200 through rig centre gripping platband tail 110, can carry out drilling operation to the part of required drilling through opening the rig afterwards, when needs are reamed the aperture, install drill point three 350 in drilling bit 300 bottom or install in drilling rod 200 bottom, realize installing and replacing the drill point in drilling bit 300 bottom fast, make things convenient for the workman to provide work efficiency, the piece at drilling output is in following the rotatory centrifugal force accessible sword ditch 211 of drilling rod 200 and take out, can arrange fast and cut.

The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solutions described above. Therefore, any simple modifications or equivalent replacements made according to the technical solution of the present invention belong to the scope of the claimed invention as far as possible.

Claims

1. An efficient gang-cutting black-and-white drill, comprising a drill shank (100), a drill rod (200) and a drill bit (300), characterized in that: the drill handle (100) and the drill rod (200) are of an integrated structure, the top of the drill handle (100) is provided with a flat tail (110), the section of the flat tail (110) is set to be a round rectangle, the bottom of the drill handle (100) is provided with a drill neck (120), the bottom of the drill neck (120) is provided with the drill rod (200), the bottom of the drill rod (200) is in threaded connection with a drill bit (300), the drill rod (200) comprises a cutter body (210) and a connecting column (220), the cutter body (210) is fixedly connected with the drill neck (120), the outer wall of the cutter body (210) is provided with two groups of blade ditches (211), the two groups of blade ditches (211) are uniformly distributed around the outer wall of the drill rod (200), the central position of the bottom of the cutter body (210) is provided with a first groove (212), the first groove (212) is set to be annular, the inner wall of, the drill bit is characterized in that a connecting column (220) is arranged at the center of the first groove (212), the connecting column (220) is arranged to be a cylinder, the outer wall of the connecting column (220) is smooth, a drill bit (300) is connected with the first groove (212) through a bolt, a first mounting groove (313) is formed in the inner wall of the bottom of the drill bit (300), and threads are arranged on the inner wall of the first mounting groove (313).

2. The high-efficiency gang-cutting black-and-white drill as claimed in claim 1, wherein: drill bit (300) top central point puts and is equipped with screw thread post (310), screw thread post (310) central point puts and is equipped with recess two (312), recess two (312) inner wall surface is smooth, recess two (312) cooperation grafting post (220) are used.

3. The high-efficiency gang-cutting black-and-white drill as claimed in claim 2, wherein: the outer wall of the threaded column (310) is provided with an external thread (311), and the external thread (311) is matched with the internal thread (213) on the inner wall of the first groove (212) for use.

4. The high-efficiency gang-cutting black-and-white drill as claimed in claim 2, wherein: the bottom of the threaded column (310) is provided with a nut body (320), the outer wall of the nut body (320) is in a hexagon nut shape, and the nut body (320) is matched with a wrench for use.

5. The high-efficiency gang-cutting black-and-white drill as claimed in claim 1, wherein: the drill bit (300) is in threaded connection with a first drill point (330) at the bottom, a connecting column (220) is arranged at the top of the first drill point (330), the connecting column (220) is in threaded connection with a first mounting groove (313), a second mounting groove (331) is formed in the bottom of the first drill point (330), the inner wall of the second mounting groove (331) is in threaded connection with a second drill point (340), a row cutting groove (341) is formed in the outer wall of the second drill point (340) in a surrounding mode, and the row cutting groove (341) is identical to the direction of the cutting edge (211).

6. The high-efficiency gang-cutting black-and-white drill as claimed in claim 1, wherein: the drill bit (300) further comprises a drill tip III (350), the drill tip III (350) is in threaded connection with the drill tip I (330), the bottom of the drill tip III (350) is in a conical shape, the outer wall of the drill tip III (350) is provided with edge grinding lines (351), and the edge grinding lines (351) are wound on the surface of the drill tip III (350).