CN221110012U

CN221110012U - Step drill suitable for processing different apertures

Info

Publication number: CN221110012U
Application number: CN202322670010.3U
Authority: CN
Inventors: 刘洪军; 吴先智; 翁小林; 杨志伟
Original assignee: Ningbo Weirong Technology Co ltd
Current assignee: Ningbo Weirong Technology Co ltd
Priority date: 2023-10-07
Filing date: 2023-10-07
Publication date: 2024-06-11
Anticipated expiration: 2033-10-07

Abstract

The utility model provides a step drill suitable for machining different apertures, and belongs to the technical field of step drills. The utility model relates to a step drill suitable for machining different apertures, which comprises a fixing mechanism and a connecting mechanism, wherein the fixing mechanism comprises a first step drill, a fixing rod is fixedly arranged at the bottom end of the first step drill, a first drill bit is fixedly arranged at the top end of the first step drill, the connecting mechanism comprises a second step drill, a mounting groove is formed in the bottom end of the second step drill, the mounting groove is connected with the first drill bit in a clamping manner, a second drill bit is fixedly arranged at the upper end of the second step drill, a screw rod is fixedly arranged at the top end of the inside of the mounting groove, the bottom end of the screw rod penetrates through the first drill bit to extend to the inside of the fixing rod, a rotating head is rotatably connected at the bottom end of the fixing rod, and a screw sleeve is embedded in the center of the rotating head.

Description

Step drill suitable for processing different apertures

Technical Field

The utility model relates to the technical field of step drills, in particular to a step drill suitable for machining different apertures.

Background

The ladder drill is also called a step drill or a pagoda drill, is mainly used for drilling and processing thin steel plates within 3mm, can replace a plurality of drill bits to be used, processes holes with different diameters according to requirements, can realize one-time processing of large holes, and does not need to replace drill bits, drill positioning holes and the like.

Based on the above, the present inventors found that the following problems exist: when the prior step drill is used, holes with different apertures are required to be processed, the shape of the step drill is always a pagoda, the larger the rear end aperture is, so that the length of the step drill is longer, when the larger holes are required to be drilled on objects in a limited space range, the rear end of the step drill cannot drill the objects due to narrow space, and the practicability of the step drill is greatly reduced.

Accordingly, the present invention has been made in view of the above circumstances, and an object of the present invention is to provide a step drill suitable for processing different bore diameters, which achieves a more practical value.

Disclosure of utility model

In order to solve the technical problems, the embodiment of the utility model provides a step drill suitable for processing different apertures, which is realized by the following technical scheme:

The utility model provides a be suitable for step brill in different apertures of processing, includes fixed establishment and coupling mechanism, fixed establishment includes that first step is bored, the bottom fixed mounting that first step bored has the dead lever, the top fixed mounting that first step bored has first drill bit, coupling mechanism includes that the second step bored, the mounting groove has been seted up to the bottom that the second step bored, the mounting groove is connected with first drill bit block, the upper end fixed mounting that the second step bored has the second drill bit.

Further, the screw rod is fixedly installed at the top end of the inside of the installation groove, and the bottom end of the screw rod penetrates through the first drill bit and extends to the inside of the fixing rod.

The beneficial effect of adopting above-mentioned further scheme is, through the internally mounted screw rod at the mounting groove to make its one end pass first drill bit and extend to the inside of dead lever, and then conveniently bore with first step and creep into the line fixedly to the second step.

Further, the bottom of dead lever rotates and is connected with the swivel head, inlay in the center department of swivel head and establish the swivel nut.

The screw rod fixing device has the beneficial effects that the rotating head is connected through rotation of the bottom end of the fixing rod, so that a user can rotate the rotating head, and the screw rod is conveniently fixed through installing the screw sleeve at the center of the screw rod fixing device.

Further, the bottom of the screw rod is in threaded connection with the bottom of the screw sleeve.

The screw rod and the threaded sleeve are in threaded connection, so that a user can pull the screw rod by using the threaded sleeve when rotating the rotating head, and the second step drill and the first step drill are connected more firmly.

Further, the first knife grooves are formed in the two sides of the first step drill, and the second knife grooves are formed in the two sides of the second step drill.

By adopting the further scheme, the waste scraps generated during drilling can be discharged by arranging the first cutter groove and the second cutter groove.

Further, the first knife groove and the second knife groove are both spiral, and the first knife groove is communicated with the second knife groove.

The beneficial effect of adopting above-mentioned further scheme is, through setting up first sword groove and second sword groove into the heliciform, and communicate with each other, make things convenient for first step to bore with the second step and bore after being connected, waste material exhaust continuity to can not take place to block up.

Further, the fixing rod is prismatic.

The fixing rod has the beneficial effects that the fixing rod is arranged to be prismatic, so that the fixing rod is convenient to fix and install.

Furthermore, the fixed rod, the first step drill, the second step drill, the first drill bit and the second drill bit are all made of metal materials, and the surfaces of the fixed rod, the first step drill, the second step drill, the first drill bit and the second drill bit are all coated with rust-proof coatings.

The fixing rod, the first step drill, the second step drill, the first drill bit and the second drill bit are made of metal materials and are coated with the rust-proof coating, so that the mechanical strength and the corrosion-resistant effect of the fixing rod, the first step drill, the second step drill, the first drill bit and the second drill bit can be improved.

The beneficial effects of the utility model are as follows: according to the step drill suitable for machining different apertures, which is obtained through the design, the first drill bit is arranged at the upper end of the first step drill, so that a large aperture drilling can be conveniently performed on an article, a larger space distance is not required to be reserved behind the article, the second step drill is provided with the mounting groove at the bottom end and is in clamping connection with the first drill bit, a user can conveniently install the second step drill at the upper end of the first step drill, further, small aperture drilling operation is performed on the article, the practicability of the step drill is greatly improved, the disassembly and the installation are convenient, the rotating head is conveniently rotated by rotating the bottom end of the fixing rod, the screw rod is conveniently fixed by installing the screw sleeve at the center of the fixing rod, and the screw rod is in threaded connection with the screw sleeve, so that the screw rod can be pulled by the screw sleeve when the rotating head, and further, the connection between the second step drill and the first step drill is firm.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic perspective view of a step drill with different apertures;

FIG. 2 is a schematic diagram showing a three-dimensional structure of a step drill suitable for machining different apertures according to the present utility model;

FIG. 3 is a schematic perspective view of a step drill with different apertures according to the present utility model;

FIG. 4 is a schematic perspective view of two drill bits for processing step drills with different apertures according to the present utility model;

fig. 5 is a schematic side sectional view of a part of a fixing rod suitable for processing step drills with different apertures.

In the figure: 100. a fixing mechanism; 1001. a first step drill; 1002. a first knife slot; 1003. a fixed rod; 1004. a rotating head; 1005. a screw sleeve; 1006. a first drill bit; 200. a connecting mechanism; 2001. a second step drill; 2002. a second knife slot; 2003. a second drill bit; 2004. a screw; 2005. and a mounting groove.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

The utility model relates to an embodiment I of a step drill suitable for processing different apertures

The utility model provides the following technical scheme: as shown in fig. 1-5, a step drill suitable for machining different apertures comprises a fixing mechanism 100 and a connecting mechanism 200, wherein the fixing mechanism 100 comprises a first step drill 1001, a fixing rod 1003 is fixedly arranged at the bottom end of the first step drill 1001, a first drill bit 1006 is fixedly arranged at the top end of the first step drill 1001, the connecting mechanism 200 comprises a second step drill 2001, the second step drill 2001, a mounting groove 2005 is formed at the bottom end of the second step drill 2001, the mounting groove 2005 is connected with the first drill bit 1006 in a clamping manner, and a second drill bit 2003 is fixedly arranged at the upper end of the second step drill 2001.

The utility model relates to a second embodiment of a step drill suitable for processing different apertures

Referring to fig. 1-5, a screw rod 2004 is fixedly installed at the top end of the inside of a mounting groove 2005, the bottom end of the screw rod 2004 extends into the inside of a fixed rod 1003 through a first drill bit 1006, the bottom end of the fixed rod 1003 is rotatably connected with a rotary head 1004, a screw sleeve 1005 is embedded and mounted at the center of the rotary head 1004, the bottom end of the screw rod 2004 is in threaded connection with the bottom end of the screw sleeve 1005, first cutter grooves 1002 are formed on both sides of the first step drill 1001, second cutter grooves 2002 are formed on both sides of the second step drill 2001, a large-aperture drilling is conveniently performed on an article by mounting the first drill bit 1006 on the upper end of the first step drill 1001, and the article can be used without a large space distance left behind, the mounting groove 2005 is formed at the bottom end of the second step drill 2001 and is in snap-connection with the first drill bit 1006, the convenience of customers installs second step brill 2001 in the upper end of first step brill 1001, and then carry out the drilling operation of aperture to article, greatly increased the practicality of step brill, and convenient to detach and installation, through the internally mounted screw rod 2004 at mounting groove 2005, and make its one end pass first drill bit 1006 and extend to the inside of dead lever 1003, and then the convenience of customers fixes second step brill 2001 and first step brill 1001, through rotating the connection swivel 1004 in the bottom of dead lever 1003, the convenience of customers rotates swivel 1004, through installing the swivel 1005 in its center department, the convenience of customers fixes screw rod 1004, through with screw rod 1004 and swivel 1005 threaded connection, make the user when rotating swivel 1004, usable swivel 1005 pulls screw rod 1004, and then make the connection between second step brill 2001 and the first step brill 1001 more firm.

The utility model relates to an embodiment III of a step drill suitable for processing different apertures

Referring to fig. 1 to 5, the first and second cutter grooves 1002 and 2002 are each formed in a spiral shape, and the first cutter groove 1002 and the second cutter groove 2002 are communicated, the fixing rod 1003 is formed in a prism shape, the fixing rod 1003, the first step drill 1001, the second step drill 2001, the first drill 1006 and the second drill 2003 are each made of metal, the surfaces of the fixing rod 1003, the first step drill 1001, the second step drill 2001, the first drill 1006 and the second drill 2003 are each coated with an anti-rust coating, scraps generated during drilling can be discharged by opening the first cutter groove 1002 and the second cutter groove 2002, the first cutter groove and the second cutter groove are arranged in a spiral shape and communicated, the continuity of waste discharge after the first step drill 1001 and the second step drill 2001 are conveniently connected is facilitated, and clogging does not occur, the fixing rod 1003 is conveniently arranged in a prism shape, the fixing rod 1003, the first step drill 1001, the second step drill 2001, the first drill 1006 and the second drill 2003 are each made of metal, and the first step drill 1006, the second step drill 1006 and the anti-rust coating are coated, and the first drill 1006 and the second step drill 2003 are each coated with an anti-rust coating, and the mechanical strength of the first drill 1006 and the second step drill 2003 are improved.

Specifically, the working principle of the step drill suitable for machining different apertures is as follows: when the processing distance is insufficient, a user rotates the rotating head 1004 connected with one end of the fixed rod 1003 in a rotating way, drives the screw sleeve 1005 arranged at the center of the fixed rod 1003 to rotate when the fixed rod is rotated, the screw sleeve 1005 is in threaded connection with the screw rod 2004 arranged at the bottom end of the second step drill 2001, and then the screw rod 2004 is separated from the screw sleeve 1005 along with the rotation of the screw sleeve 1005, so that the user can take the second step drill 2001 off the first step drill 1001, perform large-aperture drilling operation on an object through the first drill 1006 and the first step drill 1001, when a small hole needs to be drilled, the mounting groove 2005 arranged at the bottom end of the second step drill 2001 is aligned with the first rotating shaft 1006, so that the screw rod 2005 is also inserted into the fixed rod 1003, at the moment, the user rotates the rotating head 1004, the screw sleeve 1005 is in threaded connection with the screw rod 2004, and the second step drill 2001 is pulled by the screw sleeve 1005 to be fixed with the first step drill 1001, and the user can perform small-aperture drilling operation on the object conveniently.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations may be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a be suitable for step brill in different apertures of processing, its characterized in that, including fixed establishment (100) and coupling mechanism (200), fixed establishment (100) include first step brill (1001), the bottom fixed mounting of first step brill (1001) has dead lever (1003), the top fixed mounting of first step brill (1001) has first drill bit (1006), coupling mechanism (200) include second step brill (2001), mounting groove (2005) have been seted up to the bottom of second step brill (2001), mounting groove (2005) and first drill bit (1006) block are connected, the upper end fixed mounting of second step brill (2001) has second drill bit (2003).

2. A bench drill suitable for machining different apertures according to claim 1, characterized in that the inner top end of the mounting groove (2005) is fixedly mounted with a screw (2004), the bottom end of the screw (2004) extending through the first drill bit (1006) to the inside of the fixed rod (1003).

3. The bench drill suitable for machining different apertures according to claim 2, characterized in that the bottom end of the fixed rod (1003) is rotatably connected with a rotary head (1004), and a screw sleeve (1005) is embedded and installed in the center of the rotary head (1004).

4. A bench drill suitable for machining different bore diameters according to claim 3, characterized in that the bottom end of the screw (2004) is screwed with the bottom end of the screw sleeve (1005).

5. The step drill suitable for machining different apertures according to claim 1, characterized in that the first step drill (1001) is provided with a first knife slot (1002) on both sides, and the second step drill (2001) is provided with a second knife slot (2002) on both sides.

6. A bench drill suitable for machining different bore diameters according to claim 5, characterized in that the first and second flutes (1002, 2002) are each helical and the first and second flutes (1002, 2002) communicate.

7. A bench drill suitable for machining different apertures according to claim 1, characterized in that the fixing rod (1003) is prismatic.

8. The bench drill suitable for machining different apertures according to claim 1, characterized in that the fixing rod (1003), the first bench drill (1001), the second bench drill (2001), the first drill (1006) and the second drill (2003) are all made of metal, and the surfaces of the fixing rod (1003), the first bench drill (1001), the second bench drill (2001), the first drill (1006) and the second drill (2003) which are all made of metal are coated with an anti-rust coating.