CN214819796U

CN214819796U - Dry drilling concrete cutter head convenient to dismantle

Info

Publication number: CN214819796U
Application number: CN202120881361.7U
Authority: CN
Inventors: 周建
Original assignee: Bsp Tools Kunshan Co ltd
Current assignee: Bsp Tools Kunshan Co ltd
Priority date: 2021-04-27
Filing date: 2021-04-27
Publication date: 2021-11-23
Anticipated expiration: 2031-04-27

Abstract

The utility model discloses a dry drilling concrete tool bit convenient to dismantle relates to concrete tool bit technical field, just needs to cut the tool bit for the solution when changing the tool bit for the dismantlement degree of difficulty increases, and adopts the problem of the stability that single connected mode can not ensure the tool bit and use. Be provided with the jogged joint groove on the outer wall of tool bit seat, one side of tool bit seat is provided with the outer tool bit of annular, and the one end of the outer tool bit of annular extends to the inside in jogged joint groove, the outside of the outer tool bit of annular is provided with the second gim peg, and the one end of second gim peg runs through the outer tool bit of annular and extends to the inside of tool bit seat, the outside of tool bit seat is provided with the spacing ring, one side of tool bit seat is provided with the drilling rod, and the one end of tool bit seat extends to the inside of drilling rod, be provided with the mounting hole on the tool bit seat, and the mounting hole setting is put the department at the central point of tool bit seat, the inside of the outer tool bit of annular is provided with the mount pad, one side of mount pad is provided with interior tool bit.

Description

Dry drilling concrete cutter head convenient to dismantle

Technical Field

The utility model relates to a concrete cutter head technical field specifically is a dry drill concrete cutter head convenient to dismantle.

Background

Concrete is one of the most commonly used building materials, fine aggregate and coarse aggregate are bonded by cement and hardened for a period of time to form a composite material, a dry drilling method is mainly adopted when the concrete is drilled, dry drilling refers to a drilling process without flushing media, the abrasion to a cutter head is greatly increased, and the cutter head needs to be replaced in time in order to facilitate the dry drilling effect.

At present, dry drill tool bit and drilling rod are all welding structure as an organic whole in order to be connected convenient and firm, just need cut the tool bit when changing the tool bit for the dismantlement degree of difficulty increases, and adopts single connected mode can not ensure the stability that the tool bit used, can not satisfy the user demand. There is therefore a great need in the market for a dry-drilled concrete bit that is easy to disassemble to address these problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dry boring concrete tool bit convenient to dismantle to propose in solving above-mentioned background art and just need cut the tool bit when changing the tool bit, make the dismantlement degree of difficulty increase, and adopt single connected mode can not ensure the problem of the stability that the tool bit used.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a dry drilling concrete tool bit convenient to dismantle, includes the tool bit seat, be provided with the joggle groove on the outer wall of tool bit seat, one side of tool bit seat is provided with the outer tool bit of annular, and the one end of the outer tool bit of annular extends to the inside in joggle groove, the outside of the outer tool bit of annular is provided with the second location bolt, and the one end of second location bolt runs through the outer tool bit of annular and extends to the inside of tool bit seat, the outside of tool bit seat is provided with the spacing ring, one side of tool bit seat is provided with the drilling rod, and the one end of tool bit seat extends to the inside of drilling rod, be provided with the mounting hole on the tool bit seat, and the mounting hole setting is in the central point department of tool bit seat, the inside of the outer tool bit of annular is provided with the mount pad.

Preferably, the outer wall of the mounting seat is provided with a second outer thread, and the second outer thread and the mounting seat are arranged into an integral structure.

Preferably, the outer wall of the tool bit seat is provided with first outer threads, and the first outer threads and the tool bit seat are arranged into an integral structure.

Preferably, the outside of drilling rod is provided with first pilot pin, and first pilot pin is provided with a plurality of, and first pilot pin sets gradually in the outside of drilling rod, the one end of first pilot pin runs through the drilling rod and extends to the inside of tool bit seat, and first pilot pin and tool bit seat threaded connection.

Preferably, one end of the annular outer cutter head is provided with four arc-shaped grooves, the four arc-shaped grooves are sequentially arranged on the annular outer cutter head, and the arc-shaped grooves and the annular outer cutter head are punched into an integral structure.

Preferably, the mounting seat is provided with a material guiding hole, and the material guiding hole is arranged at the center of the mounting seat.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a device is convenient for insert the concatenation with annular outer tool bit through the setting of joggle groove, second locating stud and spacing ring with the help of the joggle groove, utilizes the second locating stud to play the effect of location to the annular outer tool bit of joggle, has improved the stability of annular outer tool bit concatenation, and the spacing ring can play spacing effect to annular outer tool bit, avoids annular outer tool bit atress excurvation, the dismantlement of the follow-up tool bit of being convenient for. The problem of tool bit and drilling rod fixed connection have increased the dismantlement degree of difficulty is solved.

2. The utility model discloses a device can be connected tool bit seat and drilling rod structure as an organic whole with the help of first interior screw thread, first outer screw thread through the setting of first interior screw thread, first locating bolt, can play spacing effect with the help of first locating bolt to the tool bit seat, has avoided the rotatory atress of tool bit seat to rotate, has improved the stability that the tool bit seat is connected. The problem of tool bit seat and drilling rod be connected inconvenient dismantlement of structure as an organic whole is solved.

3. The utility model discloses a device is convenient for be connected mount pad and tool bit seat through the setting of the outer screw thread of second and the interior screw thread of second in the outer screw thread of second and the second, can improve concrete drilling efficiency with the help of interior tool bit. The problem of single tool bit efficiency of digging is not good is solved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a cross-sectional view of the present invention;

fig. 3 is a side view of the present invention;

fig. 4 is a partially enlarged view of the area a of fig. 2 according to the present invention;

fig. 5 is a partially enlarged view of the area B of fig. 2 according to the present invention.

In the figure: 1. a drill stem; 2. a chip groove; 3. an annular outer cutter head; 4. a limiting ring; 5. a first positioning pin; 6. an inner cutter head; 7. a tool bit seat; 8. a mounting seat; 9. a mortise and tenon joint groove; 10. mounting holes; 11. an arc-shaped groove; 12. a material guide hole; 13. a first inner screw thread; 14. a first outer thread; 15. a second outer thread; 16. a second inner screw thread; 17. and a second positioning bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-5, the present invention provides an embodiment: a dry drilling concrete cutter head convenient to disassemble comprises a cutter head seat 7, wherein a tenon joint groove 9 is formed in the outer wall of the cutter head seat 7, an annular outer cutter head 3 is arranged on one side of the cutter head seat 7, one end of the annular outer cutter head 3 extends into the tenon joint groove 9, the annular outer cutter head 3 and the cutter head seat 7 are in a tenon joint structure, the tenon joint groove 9 is convenient for connecting the annular outer cutter head 3 with the cutter head seat 7, a second positioning bolt 17 is arranged outside the annular outer cutter head 3, one end of the second positioning bolt 17 penetrates through the annular outer cutter head 3 and extends into the cutter head seat 7, the second positioning bolt 17 is in threaded connection with the cutter head seat 7, the second positioning bolt 17 can limit the connected annular outer cutter head 3, a limiting ring 4 is arranged outside the cutter head seat 7, the limiting ring 4 is in sliding connection with the cutter head seat 7 and the annular outer cutter head 3, and the limiting ring 4 can limit the outer cutter head 3 and the cutter head seat 7, avoided outer tool bit 3 atress of annular askew outward, one side of tool bit seat 7 is provided with drilling rod 1, and the one end of tool bit seat 7 extends to the inside of drilling rod 1, be provided with mounting hole 10 on the tool bit seat 7, and mounting hole 10 sets up the central point department of putting at tool bit seat 7, the inside of outer tool bit 3 of annular is provided with mount pad 8, and the one end of mount pad 8 extends to the inside of mounting hole 10, one side of mount pad 8 is provided with interior tool bit 6, and interior tool bit 6 is connected as an organic whole structure with mount pad 8.

Further, a second outer thread 15 is arranged on the outer wall of the mounting seat 8, the second outer thread 15 and the mounting seat 8 are arranged to be an integral structure, a second inner thread 16 is arranged inside the mounting hole 10, the second inner thread 16 and the tool bit seat 7 are arranged to be an integral structure, and the second outer thread 15 and the second inner thread 16 are in threaded connection. The mounting seat 8 and the tool bit seat 7 are convenient to connect and detach through the second outer threads 15 and the second inner threads 16.

Further, a first inner screw thread 13 is arranged on the inner wall of the drill rod 1, the first inner screw thread 13 and the drill rod 1 are arranged into an integral structure, a first outer screw thread 14 is arranged on the outer wall of the tool bit base 7, the first outer screw thread 14 and the tool bit base 7 are arranged into an integral structure, and the first inner screw thread 13 is in threaded connection with the first outer screw thread 14. The tool bit seat 7 and the drill rod 1 are connected into an integral structure through the first inner threads 13 and the first outer threads 14, and the tool bit seat is also convenient to detach.

Further, the outside of drilling rod 1 is provided with first gim peg 5, and first gim peg 5 is provided with a plurality of, and first gim peg 5 sets gradually in the outside of drilling rod 1, and the one end of first gim peg 5 runs through drilling rod 1 and extends to the inside of tool bit seat 7, and first gim peg 5 and tool bit seat 7 threaded connection. The first positioning bolt 5 can limit the tool bit seat 7, and the tool bit seat 7 is prevented from rotating under stress.

Further, one of the outer tool bit 3 of annular is served and is provided with arc recess 11, and arc recess 11 is provided with four, and four arc recesses 11 set gradually on outer tool bit 3 of annular, and arc recess 11 and outer tool bit 3 punching press structures as an organic whole of annular. The stress intensity can be increased when the arc-shaped groove 11 is in contact with concrete, and the effect of the cutter head is accelerated.

Further, a material guide hole 12 is formed in the mounting seat 8, the material guide hole 12 is formed in the center of the mounting seat 8, a chip discharge groove 2 is formed in the drill rod 1, the chip discharge groove 2 is provided with a plurality of the material guide holes, and the chip discharge grooves 2 are sequentially formed in the drill rod 1. The chips can be discharged through the material guide holes 12 and the chip discharge grooves 2.

The working principle is as follows: when the tool is used, the annular outer tool bit 3 is inserted into the mortise groove 9, the annular outer tool bit 3 is fastened by using the second positioning bolt 17, and the limiting ring 4 is sleeved outside the connecting body of the annular outer tool bit 3 and the tool bit seat 7; inserting one end of a tool bit seat 7 into the drill rod 1 and correspondingly rotating, connecting the tool bit seat 7 with the drill rod 1 by means of a first inner screw thread 13 and a first outer screw thread 14, respectively closely attaching two ends of a limiting ring 4 with the drill rod 1 and an annular outer tool bit 3, and limiting the tool bit seat 7 by using a first positioning bolt 5; by inserting the mounting socket 8 into the mounting hole 10 and rotating it accordingly, the mounting socket 8 can be connected to the tool head base 7 by means of the second outer thread 15 and the second inner thread 16, the direction of rotation of the mounting socket 8 being opposite to the direction of rotation of the drill rod 1.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a dry drilling concrete tool bit convenient to dismantle, includes tool bit seat (7), its characterized in that: the outer wall of the tool bit seat (7) is provided with a tenon joint groove (9), one side of the tool bit seat (7) is provided with an annular outer tool bit (3), one end of the annular outer cutter head (3) extends to the inside of the tenon joint groove (9), a second positioning bolt (17) is arranged outside the annular outer cutter head (3), one end of the second positioning bolt (17) penetrates through the annular outer tool bit (3) and extends into the tool bit seat (7), a limiting ring (4) is arranged outside the tool bit seat (7), a drill rod (1) is arranged on one side of the tool bit seat (7), one end of the tool bit seat (7) extends into the drill rod (1), the tool bit seat (7) is provided with a mounting hole (10), and the mounting hole (10) is arranged at the central position of the tool bit seat (7), and a mounting seat (8) is arranged in the annular outer tool bit (3).

2. The easy to remove dry drill concrete bit of claim 1, wherein: the outer wall of the mounting seat (8) is provided with a second outer thread (15), and the second outer thread (15) and the mounting seat (8) are arranged into an integral structure.

3. The easy to remove dry drill concrete bit of claim 1, wherein: the outer wall of the tool bit seat (7) is provided with first outer threads (14), and the first outer threads (14) and the tool bit seat (7) are arranged into an integral structure.

4. The easy to remove dry drill concrete bit of claim 1, wherein: the drill rod drilling tool is characterized in that a first positioning bolt (5) is arranged outside the drill rod (1), the first positioning bolt (5) is provided with a plurality of positioning bolts, the first positioning bolts (5) are sequentially arranged outside the drill rod (1), one end of each first positioning bolt (5) penetrates through the drill rod (1) and extends to the inside of the tool bit seat (7), and the first positioning bolts (5) are in threaded connection with the tool bit seats (7).

5. The easy to remove dry drill concrete bit of claim 1, wherein: one of the outer annular tool bit (3) is provided with four arc grooves (11), the four arc grooves (11) are sequentially arranged on the outer annular tool bit (3), and the arc grooves (11) and the outer annular tool bit (3) are punched into an integral structure.

6. The easy to remove dry drill concrete bit of claim 1, wherein: the mounting seat (8) is provided with a material guide hole (12), and the material guide hole (12) is arranged at the center of the mounting seat (8).