CN214920775U

CN214920775U - High-speed steel twist drill convenient to combination

Info

Publication number: CN214920775U
Application number: CN202120150975.8U
Authority: CN
Inventors: 徐增荣
Original assignee: Yangzhou Feiling Tools Co ltd
Current assignee: Yangzhou Feiling Tools Co ltd
Priority date: 2021-01-20
Filing date: 2021-01-20
Publication date: 2021-11-30
Anticipated expiration: 2031-01-20

Abstract

The utility model discloses a high-speed steel fluted drill convenient to combination relates to fluted drill technical field, for solving current high-speed steel fluted drill when being connected with external device, lacks various compound mode, leads to connecting inconvenient problem. The below of first mounting disc is provided with the second mounting disc, the inside intermediate position department of first mounting disc is provided with first mounting hole groove, the both sides in first mounting hole groove all are provided with fixed spacing groove, and just fixed spacing groove is provided with two, two the inner wall in fixed spacing groove all is provided with anti-skidding paster, two fixed spacing groove with the inside in first mounting hole groove is provided with spacing fixed block, the one end at spacing fixed block is installed to the one end of steel fluted drill main part.

Description

High-speed steel twist drill convenient to combination

Technical Field

The utility model relates to a fluted drill technical field specifically is a high-speed steel fluted drill convenient to combination.

Background

Twist drills are tools that drill round holes in a workpiece by rotary cutting thereof about a fixed axis. The fluted drill is named because the flutes are helical and shaped like a twist, which is a tool for drilling round holes in a workpiece by rotary cutting relative to a fixed axis. The flute is spiral and shaped like twist. The helical groove has 2, 3 or more grooves, but 2 grooves are most common. Twist drills can be used clamped on hand-held drilling tools, both manual and electric, or drilling, milling, turning and even machining centers. The bit material is typically high speed tool steel or cemented carbide. The helix angle beta helix angle is the included angle between the helix line of the outmost circle on the spiral groove of the drill bit and the axis of the drill bit after being unfolded into a straight line. Because the lead of each point on the spiral groove is the same, the spiral angles of the drill bits at different diameters are different, the spiral angle at the outer diameter is the largest, and the spiral angle is smaller as the spiral angle is closer to the center. Increasing the helix angle increases the rake angle, which facilitates chip removal, but decreases the drill stiffness. The helix angle of the standard twist drill is 18-38 degrees.

However, when the existing high-speed steel twist drill is connected with an external device, various combination modes are lacked, so that the problem of inconvenient connection is caused; thus, the present need is not met, for which we propose a high speed steel twist drill that is easy to assemble.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high-speed steel twist drill convenient to combination to solve the current high-speed steel twist drill that proposes in the above-mentioned background art when being connected with external device, lack manifold compound mode, lead to connecting inconvenient problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high-speed steel fluted drill convenient to combination, includes first mounting disc and steel fluted drill main part, the below of first mounting disc is provided with the second mounting disc, the inside intermediate position department of first mounting disc is provided with the second mounting hole groove, the both sides in second mounting hole groove all are provided with fixed spacing groove, and just fixed spacing groove is provided with two, two the inner wall in fixed spacing groove all is provided with anti-skidding paster, two fixed spacing groove with the inside in second mounting hole groove is provided with spacing fixed block, the one end at spacing fixed block is installed to the one end of steel fluted drill main part.

Preferably, the other end of spacing fixed block is provided with the connecting rod body, the inside of connecting rod body is provided with first mounting hole groove, and first mounting hole groove is provided with two, the one end of connecting rod body is provided with the extension rod body block, and external rod body block and connecting rod body fixed connection.

Preferably, the inside both sides of first mounting disc all are provided with degree of depth numerical scale, and degree of depth numerical scale is provided with two, two the one end of degree of depth numerical scale all runs through and extends to the up end of second mounting disc, and degree of depth numerical scale and second mounting disc fixed connection.

Preferably, both sides between first mounting disc and the second mounting disc all are provided with reset spring strip, and reset spring strip is provided with two, two the both ends of reset spring strip respectively with first mounting disc and second mounting disc fixed connection.

Preferably, the inside intermediate position department of second mounting disc is provided with the third mounting hole groove, the both sides in third mounting hole groove all are provided with the fourth mounting hole groove, and the fourth mounting hole groove is provided with two, the second mounting disc passes through installation hexagonal rivet and installation basic point threaded connection, and installation hexagonal rivet is provided with two, two the inside in fourth mounting hole groove is all installed to installation hexagonal rivet.

Preferably, the inside of extension rod body block is provided with inserts the cavity, the inside of inserting the cavity is provided with interior cavity, the inner wall of interior cavity is provided with the screw wall.

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

1. the utility model discloses a setting of inserting cavity and interior cavity threaded wall in the inside setting of extension rod body block can carry out threaded connection when letting extension rod body block and outside insert, also can install through the inside first mounting hole groove of the connecting rod body, avoids current high-speed steel fluted drill when being connected with external device, lacks various compound mode, leads to connecting inconvenient problem.

2. Through the degree of depth numerical scale that sets up to and the reset spring strip that sets up between first mounting disc and second mounting disc, when first mounting disc among the device along with the drill bit downstream, can carry out the reading through degree of depth numerical scale, thereby measure the degree of depth that the drill bit bored, make drilling depth more accurate, and reset spring strip lets the device use the completion after, can reset, is convenient for use next time.

Drawings

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

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a partial enlarged view of the point A of the present invention;

in the figure: 1. a first mounting plate; 2. a second mounting plate; 3. a steel twist drill body; 4. a limit fixing block; 5. connecting the rod body; 6. an extension rod block; 7. a first mounting hole groove; 8. installing a hexagonal rivet; 9. a depth value scale; 10. a return spring bar; 11. a second mounting hole groove; 12. fixing a limit groove; 13. anti-skid paster; 14. a third mounting hole groove; 15. a fourth mounting hole groove; 16. inserting into the cavity; 17. an inner cavity; 18. a threaded wall.

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. 1-3, the present invention provides an embodiment: the utility model provides a high-speed steel twist drill convenient to combination, includes 1 and steel twist drill main part 3 of first mounting disc, its characterized in that: the below of first mounting disc 1 is provided with second mounting disc 2, the inside intermediate position department of first mounting disc 1 is provided with second mounting hole groove 11, the both sides of second mounting hole groove 11 all are provided with fixed spacing groove 12, and fixed spacing groove 12 is provided with two, the inner wall of two fixed spacing grooves 12 all is provided with anti-skidding paster 13, anti-skidding paster 13's setting, make frictional force strengthen the inside of two fixed spacing grooves 12 and second mounting hole groove 11 and be provided with spacing fixed block 4, the one end at spacing fixed block 4 is installed to the one end of steel twist drill main part 3.

Further, the other end of spacing fixed block 4 is provided with the connecting rod body 5, and the inside of connecting rod body 5 is provided with first mounting hole groove 7, and first mounting hole groove 7 is provided with two, and the one end of connecting rod body 5 is provided with extension rod body block 6, and extension rod body block 6 and connecting rod body 5 fixed connection, and fixed connection's setting reduces the probability that drops.

Further, 1 inside both sides of first mounting disc all are provided with degree of depth numerical scale 9, and degree of depth numerical scale 9 is provided with two, and the one end of two degree of depth numerical scale 9 all runs through and extends to the up end of second mounting disc 2, and degree of depth numerical scale 9 and 2 fixed connection of second mounting disc, the setting of degree of depth numerical scale 9 for the degree of depth of drill bit carries out the observation of numerical value.

Further, both sides between first mounting disc 1 and the second mounting disc 2 all are provided with reset spring strip 10, and reset spring strip 10 is provided with two, two reset spring strip 10's both ends respectively with first mounting disc 1 and 2 fixed connection of second mounting disc, reset spring strip 10's setting for first mounting disc 1 and second mounting disc 2 can reset.

Further, the inside intermediate position department of second mounting disc 2 is provided with third mounting hole groove 14, the both sides of third mounting hole groove 14 all are provided with fourth mounting hole groove 15, and fourth mounting hole groove 15 is provided with two, second mounting disc 2 is through installation hexagonal rivet 8 and installation basic point threaded connection, and installation hexagonal rivet 8 is provided with two, two installation hexagonal rivets 8 are all installed in the inside of fourth mounting hole groove 15, installation hexagonal rivet 8 lets second mounting disc 2 and installation basic point carry out convenient installation.

Further, the inside of external body of rod 6 is provided with inserts cavity 16, and the inside of inserting cavity 16 is provided with interior cavity 17, and the inner wall of interior cavity 17 is provided with screw wall 18, and screw thread installation can be carried out in the setting of screw wall 18.

The working principle is as follows: during the use, install the one end of external body of rod piece 6 through threaded wall 18, install spacing fixed block 4 again among second mounting hole groove 11 and fixed spacing groove 12, and the inside of steel fluted drill main part 3 of terminal surface carries out the rotary drill operation to the action point through third mounting hole groove 14 under spacing fixed block 4, carry out fixed mounting with second mounting disc 2 by installation hexagonal rivet 8, when 3 undercut of steel fluted drill main part, can read through degree of depth numerical scale 9, observe the degree of depth that gets into the drill bit, after the use is accomplished, first mounting disc 1 and second mounting disc 2 can carry out the reseing of position through reset spring strip 10.

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 high-speed steel twist drill convenient to combination, includes first mounting disc (1) and steel twist drill main part (3), its characterized in that: the below of first mounting disc (1) is provided with second mounting disc (2), the inside intermediate position department of first mounting disc (1) is provided with second mounting hole groove (11), the both sides of second mounting hole groove (11) all are provided with fixed spacing groove (12), and fixed spacing groove (12) are provided with two, two the inner wall of fixed spacing groove (12) all is provided with anti-skidding paster (13), two fixed spacing groove (12) with the inside of second mounting hole groove (11) is provided with spacing fixed block (4), the one end at spacing fixed block (4) is installed to the one end of steel twist drill main part (3).

2. A high speed steel twist drill for ease of assembly according to claim 1, wherein: the other end of spacing fixed block (4) is provided with the connecting rod body (5), the inside of connecting rod body (5) is provided with first mounting hole groove (7), and first mounting hole groove (7) are provided with two, the one end of connecting rod body (5) is provided with extension rod body block (6), and external body of rod block (6) and connecting rod body (5) fixed connection.

3. A high speed steel twist drill for ease of assembly according to claim 1, wherein: the inside both sides of first mounting disc (1) all are provided with degree of depth numerical scale (9), and degree of depth numerical scale (9) are provided with two, two the one end of degree of depth numerical scale (9) all runs through and extends to the up end of second mounting disc (2), and degree of depth numerical scale (9) and second mounting disc (2) fixed connection.

4. A high speed steel twist drill for ease of assembly according to claim 1, wherein: the two sides between the first mounting disc (1) and the second mounting disc (2) are provided with two reset spring strips (10), and the two reset spring strips (10) are fixedly connected with the first mounting disc (1) and the second mounting disc (2) at the two ends of the reset spring strips (10) respectively.

5. A high speed steel twist drill for ease of assembly according to claim 1, wherein: the utility model discloses a mounting structure, including second mounting disc (2), second mounting disc (2) inside intermediate position department is provided with third mounting hole groove (14), the both sides of third mounting hole groove (14) all are provided with fourth mounting hole groove (15), and fourth mounting hole groove (15) are provided with two, second mounting disc (2) are through installation hexagonal rivet (8) and installation basic point threaded connection, and installation hexagonal rivet (8) are provided with two, two the inside at fourth mounting hole groove (15) is all installed in installation hexagonal rivet (8).

6. A high speed steel twist drill for ease of assembly according to claim 2, wherein: the inside of extension rod body block (6) is provided with inserts cavity (16), the inside of inserting cavity (16) is provided with interior cavity (17), the inner wall of interior cavity (17) is provided with screw wall (18).