An internally coolant step drill that is easy to assemble

Abstract

The utility model relates to the technical field of internal cooling step drills, and discloses an internal cooling step drill that is easy to assemble, comprising a mounting rod, the bottom of the mounting rod is fixedly connected with an internal cooling step drill body, the top of the mounting rod is fixedly connected with a connecting column through a locking mechanism, the locking mechanism comprises locking holes provided on both sides of the mounting rod and a fixing cylinder installed on both sides of the connecting column, the interior of the fixing cylinder is rotatably connected with an external threaded rod through a driving mechanism, one side of the external threaded rod is movably connected with an internal threaded locking rod through a limiting assembly, the other end of the internal threaded locking rod extends to the interior of the locking hole, so that the device can quickly fix the mounting rod and the connecting column through the locking mechanism, thereby greatly facilitating the operator to install and disassemble the internal cooling step drill body, thereby greatly improving the replacement and maintenance efficiency of the internal cooling step drill body by the device.

Description

Technical Field

[0001] The utility model relates to the technical field of internal cooling step drills, in particular to an internal cooling step drill which is easy to assemble. Background Art

[0002] The step drill, also known as the step drill or the pagoda drill, is mainly used for drilling holes in thin steel plates within 3mm. One drill bit can replace multiple drill bits to process holes of different diameters as needed, and can complete the large holes at one time without replacing the drill bit or drilling positioning holes, etc. The step drill, also known as the step drill or the pagoda drill, is mainly used for drilling holes in thin steel plates within 3mm. One drill bit can replace multiple drill bits to process holes of different diameters as needed, and can complete the large holes at one time without replacing the drill bit or drilling positioning holes, etc.

[0003] For example, the Chinese patent with patent application number 202122378168.4 is an alloy internally cooled step drill with chip guarding function. This patent slides a chip guard plate on the upper side of the drill rod, and sets a mounting ring, a fastening nut and a fastening bolt. By utilizing the cooperation between them, the position of the chip guard plate can be adjusted according to actual needs, thereby improving its chip guarding ability and preventing waste chips from entering the gap between the machine tool and the mounting head, thereby causing wear to the machine tool.

[0004] However, the installation method of the above patent is relatively complicated, which requires a lot of time to disassemble, thus seriously affecting the replacement efficiency of the internal cooling step drill. Utility Model Content

[0005] The utility model aims to provide an internally-cooled step drill which is easy to assemble and solves the problems raised in the background technology.

[0006] An embodiment of the present application provides an internally-cooled step drill that is easy to assemble, including a mounting rod, the bottom of which is fixedly connected to an internally-cooled step drill body, and the top of which is fixedly connected to a connecting column via a locking mechanism.

[0007] By adopting the above technical solution, the device can quickly fix and install the internally-cooled step drill body, thereby greatly reducing the time for operators to replace the internally-cooled step drill body.

[0008] Optionally, the locking mechanism includes locking holes opened on both sides of the mounting rod and a fixing cylinder installed on both sides of the connecting column, the interior of the fixing cylinder is rotatably connected to an externally threaded rod through a driving mechanism, one side of the externally threaded rod is movably connected to an internally threaded locking rod through a limiting assembly, and the other end of the internally threaded locking rod extends to the interior of the locking hole.

[0009] By adopting the above technical solution, the device can quickly fix the mounting rod and the connecting column through the locking mechanism, thereby greatly facilitating the operator to install and disassemble the internally cooled step drill body, thereby greatly improving the replacement and maintenance efficiency of the internally cooled step drill body by the device.

[0010] Optionally, the driving mechanism includes a driving box installed on the outer surface of the fixed cylinder, a hand turntable is installed on the outer surface of the driving box, one side of the hand turntable is fixedly connected to a rotating shaft, the other end of the rotating shaft extends to the interior of the driving box and is fixedly connected to a first gear, one side of the first gear is meshedly connected to a second gear, and one side of the second gear is fixedly connected to an externally threaded rod.

[0011] By adopting the above technical solution, the device can be driven labor-savingly through the driving mechanism, so that the operator can more easily install and disassemble the internal cooling step drill body, thereby greatly improving the practicality of the device.

[0012] Optionally, the limiting assembly includes limiting grooves opened on the inner walls of both sides of the fixed cylinder, the limiting grooves are internally movably connected to a limiting plate, and the other end of the limiting plate is fixedly connected to the internal threaded locking rod.

[0013] By adopting the above technical solution and utilizing the limiting function of the limiting component, the locking effect of the device is improved.

[0014] Optionally, an anti-slip sleeve is fixedly connected to the outer surface of the hand turntable.

[0015] By adopting the above technical solution, the anti-slip cover can be used to avoid hand slippage.

[0016] Optionally, the inner diameter of the first gear is smaller than the inner diameter of the second gear.

[0017] By adopting the above technical solution and utilizing the principle that the small gear drives the large gear to rotate with less effort, the operator can rotate the hand turntable more easily, thereby greatly improving the practicality of the device.

[0018] Optionally, a mounting groove is formed at the bottom of the connecting column, and the mounting groove is adapted to the mounting rod.

[0019] By adopting the above technical solution, the internal cooling step drill body can be better installed and fixed by using the installation groove and the installation rod.

[0020] Optionally, a chip removal groove is provided on the outer surface of the internally cooled step drill body.

[0021] By adopting the above technical solution, the chip removal groove can be used to remove the chips generated during work, thereby greatly improving the practicality of the device.

[0022] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0023] 1. The technical solution of the present application provides a fixing cylinder, an externally threaded rod, an internally threaded locking rod, a locking hole, a limit groove, a limit plate, a connecting column and a mounting rod, so that the device can quickly fix the mounting rod and the connecting column through a locking mechanism, thereby greatly facilitating the operator's installation and disassembly of the internally cooled step drill body, thereby greatly improving the replacement and maintenance efficiency of the internally cooled step drill body of the present device.

[0024] 2. The technical solution of the present application provides a hand turntable, a drive box, a first gear and a second gear, so that the device can be driven labor-savingly through a drive mechanism, so that the operator can more easily install and disassemble the internally cooled step drill body, thereby greatly improving the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

[0026] Figure 1 This is a schematic diagram of the overall three-dimensional structure of an internally cooled step drill that is easy to assemble according to the utility model;

[0027] Figure 2 It is a three-dimensional structural schematic diagram of the connecting part of the internal cooling step drill body and the mounting rod in the utility model which is easy to assemble internal cooling step drill;

[0028] Figure 3 It is a three-dimensional structural schematic diagram of the connecting part of the first gear and the second gear in an internally cooled step drill which is easy to assemble according to the utility model;

[0029] Figure 4 The utility model is a cross-sectional view of the interior of a fixed cylinder in an internally-cooled step drill which is easy to assemble.

[0030] In the figure: 1. Mounting rod; 2. Internally cooled step drill body; 3. Connecting column; 4. Locking hole; 5. Fixing cylinder; 6. Externally threaded rod; 7. Internally threaded locking rod; 8. Limiting groove; 9. Limiting plate; 10. Driving box; 11. Hand turntable; 12. Rotating shaft; 13. First gear; 14. Second gear. DETAILED DESCRIPTION

[0031] See also Figure 1-4 The utility model provides a technical solution: an internally-cooled step drill that is easy to assemble, comprising a mounting rod 1, the bottom of which is fixedly connected to an internally-cooled step drill body 2, and the top of which is fixedly connected to a connecting column 3 via a locking mechanism.

[0032] By adopting the above technical solution, the device can quickly fix and install the internally-cooled step drill body 2, thereby greatly reducing the time for operators to replace the internally-cooled step drill body 2.

[0033] In the implementation mode of the present application, Figure 2 and Figure 4 As shown, the locking mechanism includes locking holes 4 opened on both sides of the mounting rod 1 and a fixing cylinder 5 installed on both sides of the connecting column 3. The interior of the fixing cylinder 5 is rotatably connected to an externally threaded rod 6 through a driving mechanism. One side of the externally threaded rod 6 is movably connected to an internally threaded locking rod 7 through a limiting assembly. The other end of the internally threaded locking rod 7 extends to the interior of the locking hole 4.

[0034] By adopting the above technical solution, the device can quickly fix the mounting rod 1 and the connecting column 3 through the locking mechanism, thereby greatly facilitating the operator to install and disassemble the internally cooled step drill body 2, thereby greatly improving the replacement and maintenance efficiency of the internally cooled step drill body 2 of the device.

[0035] In the implementation mode of the present application, Figure 1 and Figure 3 As shown, the driving mechanism includes a driving box 10 installed on the outer surface of the fixed cylinder 5, and a hand turntable 11 is installed on the outer surface of the driving box 10. A rotating shaft 12 is fixedly connected to one side of the hand turntable 11. The other end of the rotating shaft 12 extends to the interior of the driving box 10 and is fixedly connected to a first gear 13. One side of the first gear 13 is meshedly connected to a second gear 14, and one side of the second gear 14 is fixedly connected to the external threaded rod 6.

[0036] By adopting the above technical solution, the device can be driven labor-savingly through the driving mechanism, so that the operator can more easily install and disassemble the internal cooling step drill body 2, thereby greatly improving the practicality of the device.

[0037] In the implementation mode of the present application, Figure 4 As shown, the limiting assembly includes limiting grooves 8 opened on the inner walls of both sides of the fixing tube 5, and the limiting grooves 8 are movably connected to the limiting plates 9, and the other end of the limiting plates 9 is fixedly connected to the internal threaded locking rod 7.

[0038] By adopting the above technical solution and utilizing the limiting function of the limiting component, the locking effect of the device is improved.

[0039] In the implementation mode of the present application, Figure 1 As shown, the outer surface of the hand turntable 11 is fixedly connected with an anti-slip sleeve.

[0040] By adopting the above technical solution, the anti-slip cover can be used to avoid hand slippage.

[0041] In the implementation mode of the present application, Figure 3 As shown, the inner diameter of the first gear 13 is smaller than the inner diameter of the second gear 14 .

[0042] By adopting the above technical solution and utilizing the principle that the small gear drives the large gear to rotate with less effort, the operator can more easily rotate the hand turntable 11, thereby greatly improving the practicality of the device.

[0043] In the implementation mode of the present application, Figure 1 As shown, a mounting groove is provided at the bottom of the connecting column 3 , and the mounting groove is matched with the mounting rod 1 .

[0044] By adopting the above technical solution, the internally-cooled step drill body 2 can be better installed and fixed by utilizing the installation groove and the installation rod 1 .

[0045] In the implementation mode of the present application, Figure 1 As shown, the outer surface of the internally cooled step drill body 2 is provided with a chip removal groove.

[0046] By adopting the above technical solution, the chip removal groove can be used to remove the chips generated during work, thereby greatly improving the practicality of the device.

[0047] When in use, the operator can insert the mounting rod 1 into the mounting groove at the bottom of the connecting column 3, and then rotate the hand turntable 11 so that it can drive the first gear 13 to rotate through the rotating shaft 12. When the first gear 13 rotates, it will drive the second gear 14 to rotate by meshing. When the second gear 14 rotates, it will drive the external threaded rod 6 to rotate. When the external threaded rod 6 rotates, it will drive the internal threaded locking rod 7 to insert into the locking hole 4 of the mounting rod 1 under the limiting action of the limiting groove 8 and the limiting plate 9, so that the mounting rod 1 and the connecting column 3 can be quickly fixed, thereby greatly facilitating the operator to install and disassemble the internal cooling step drill body 2, thereby greatly improving the replacement and maintenance efficiency of the internal cooling step drill body 2 of the device. In addition, the principle of using the small gear to drive the large gear to rotate more labor-saving allows the operator to more easily rotate the hand turntable 11, thereby greatly improving the practicality of the device.

Claims

1. An internally cooled step drill which is easy to assemble, comprising a mounting rod (1), characterized in that: The bottom of the mounting rod (1) is fixedly connected to an internally cooled step drill body (2), and the top of the mounting rod (1) is fixedly connected to a connecting column (3) via a locking mechanism. The locking mechanism comprises locking holes (4) provided on both sides of the mounting rod (1) and fixing cylinders (5) installed on both sides of the connecting column (3). The interior of the fixing cylinder (5) is rotatably connected to an externally threaded rod (6) via a driving mechanism. One side of the externally threaded rod (6) is movably connected to an internally threaded locking rod (7) via a limiting assembly. The other end of the internally threaded locking rod (7) extends The driving mechanism comprises a driving box (10) mounted on the outer surface of the fixing cylinder (5), a hand turntable (11) being mounted on the outer surface of the driving box (10), a rotating shaft (12) being fixedly connected to one side of the hand turntable (11), the other end of the rotating shaft (12) extending into the interior of the driving box (10) and being fixedly connected to a first gear (13), one side of the first gear (13) being meshedly connected to a second gear (14), and one side of the second gear (14) being fixedly connected to the externally threaded rod (6).

2. The easy-to-assemble internally-cooled step drill according to claim 1, characterized in that: The limiting assembly comprises limiting grooves (8) formed on the inner walls of both sides of the fixing cylinder (5), the limiting grooves (8) are movably connected to the limiting plates (9), and the other end of the limiting plates (9) is fixedly connected to the internal threaded locking rod (7).

3. The easy-to-assemble internally-cooled step drill according to claim 1, characterized in that: An anti-slip sleeve is fixedly connected to the outer surface of the hand turntable (11).

4. The easy-to-assemble internally-cooled step drill according to claim 3, characterized in that: The inner diameter of the first gear (13) is smaller than the inner diameter of the second gear (14).

5. The internally cooled step drill that is easy to assemble according to claim 1, characterized in that: The bottom of the connecting column (3) is provided with a mounting groove, and the mounting groove is adapted to fit the mounting rod (1).

6. The easy-to-assemble internally-cooled step drill according to claim 1, characterized in that: The outer surface of the internally cooled step drill body (2) is provided with a chip removal groove.

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