CN215746603U

CN215746603U - Multifunctional superhard alloy hole saw

Info

Publication number: CN215746603U
Application number: CN202121907646.XU
Authority: CN
Inventors: 王祥根
Original assignee: Wuxi Sky Tools Co ltd
Current assignee: Wuxi Sky Tools Co ltd
Priority date: 2021-08-16
Filing date: 2021-08-16
Publication date: 2022-02-08
Anticipated expiration: 2031-08-16

Abstract

The utility model discloses a multifunctional superhard alloy hole saw which comprises a rotary cylinder, wherein the top of the rotary cylinder is fixedly connected with a connecting rod, one side of the connecting rod is movably connected with a sliding ring, the bottom of the sliding ring is fixedly connected with a first tension spring, the first tension spring is fixed with the rotary cylinder, the top of the rotary cylinder is movably connected with two sliding rods, the top ends of the sliding rods penetrate through the rotary cylinder and are fixed with the sliding ring, the bottom ends of the sliding rods are movably connected with steel balls, the outer wall of one side of the connecting rod is provided with a positioning groove, and a plurality of wedge-shaped blocks are fixedly connected in the positioning groove. According to the hole saw, the sliding rod can push the cut waste to be automatically moved out of the rotating cylinder through the first tension spring, so that the working efficiency of the device is improved, meanwhile, the waste can be more quickly moved out of the hole saw through the spring, the using effect of the device is improved, scraps generated when the hole saw is used for machining a workpiece can be guided out through the scrap guide groove, and the convenience of the device is improved.

Description

Multifunctional superhard alloy hole saw

Technical Field

The utility model relates to the technical field of hole saws, in particular to a multifunctional superhard alloy hole saw.

Background

The hole saw is usually connected with an electric drill for drilling holes on a workpiece, the hole saw can cut very hard substances, a shaft made of carbon steel is matched with a centering drill and can also be used for grinding a burr in the automatic rust prevention process, the hole saw shaft is a central shaft for mounting the hole saw, and cut waste materials are usually required to be removed from the hole saw after the hole saw finishes processing the workpiece.

The hole saw is an indispensable processing tool in production and processing, the hole saw can cut large holes, and when the hole saw commonly used at present is used, because the cut holes are large, the cut waste materials are easily clamped in the hole saw and need to be removed by workers, so that the working efficiency is reduced, and therefore, the multifunctional superhard alloy hole saw is very necessary.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a multifunctional superhard alloy hole saw.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a multi-functional superhard alloy hole saw, includes a rotatory section of thick bamboo, the top fixedly connected with connecting rod of a rotatory section of thick bamboo, one side swing joint of connecting rod has the sliding ring, the first extension spring of bottom fixedly connected with of sliding ring, and first extension spring is fixed mutually with a rotatory section of thick bamboo, the top swing joint of a rotatory section of thick bamboo has two slide bars, and the top of slide bar passes a rotatory section of thick bamboo and fixed mutually with the sliding ring, the bottom swing joint of slide bar has the steel ball, the constant head tank has been seted up to one side outer wall of connecting rod, a plurality of wedges of fixedly connected with in the constant head tank, one side swing joint of sliding ring has the inserted bar, and the inclined plane has been seted up to the one end of inserted bar, and the inclined plane contacts with the wedge, one side swing joint of inserted bar has the second extension spring, and the both ends of second extension spring are fixed mutually with inserted bar and sliding ring respectively

As a further aspect of the present invention, a center drill is fixedly connected to the bottom of the rotary cylinder.

As a further scheme of the utility model, one side of the center drill is movably connected with a spring, and the spring is fixed with the inner wall of the top of the rotary cylinder.

As a further scheme of the utility model, the bottom of the rotary cylinder is provided with a plurality of sawteeth which are uniformly distributed.

As a further scheme of the utility model, a plurality of heat dissipation holes are formed in the top of the rotary cylinder, and the heat dissipation holes are symmetrically distributed.

As a further scheme of the utility model, a chip guide groove is formed in the outer wall of one side of the rotary cylinder.

As a further scheme of the utility model, the top end of the connecting rod is fixedly connected with a fixed block.

As a further scheme of the utility model, one end of the inserted bar is fixedly connected with a pull ring, and one side of the pull ring is fixedly connected with an anti-skid pad.

The utility model has the beneficial effects that:

1. through the setting of the first extension spring of installation on the sliding ring, when the sawtooth finishes the cutting of work piece, the pull ring is stimulateeed backward, makes the inserted bar leave the wedge, and first extension spring resilience shrink this moment to make the sliding ring drive the slide bar and move down, and then make the steel ball promote the automatic rotatory section of thick bamboo of following of waste material after cutting off and shift out, the waste material card after avoiding cutting off needs the staff to clear away inside the hole saw, has improved the work efficiency of device.

2. Through the setting of installing the spring on the center bores, the sawtooth finishes the back to the work piece cutting, and the spring is kick-backed and is extended to make the spring produce thrust to the waste material after the disconnection, and then make the waste material more quick shift out from the hole saw is inside, improved the result of use of device.

3. Through the setting of seting up the chip guide groove on a rotatory section of thick bamboo, the in-process of hole saw at the processing work piece can produce the waste material piece, and the chip guide groove can be derived the waste material piece, avoids the piece to pile up the processing effect that influences the device, has improved the convenience of device.

Drawings

Fig. 1 is a schematic perspective view of a multifunctional superhard alloy hole saw according to the present invention;

FIG. 2 is a schematic cross-sectional view of a rotary cylinder of the multifunctional superhard alloy hole saw according to the present invention;

fig. 3 is a schematic cross-sectional structural view of a slip ring of the multifunctional superhard alloy hole saw provided by the utility model.

In the figure: 1. heat dissipation holes; 2. a rotary drum; 3. a chip guide groove; 4. saw teeth; 5. a slip ring; 6. a connecting rod; 7. a fixed block; 8. a spring; 9. a central drill; 10. steel balls; 11. a slide bar; 12. a first tension spring; 13. a wedge block; 14. positioning a groove; 15. inserting a rod; 16. a second tension spring; 17. a pull ring; 18. a bevel.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. It should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and their meaning in the context of this patent may be understood by those skilled in the art as appropriate.

Referring to fig. 1-3, a multifunctional superhard alloy hole saw comprises a rotary cylinder 2, a connecting rod 6 is fixed on the top of the rotary cylinder 2 through a bolt, a sliding ring 5 is sleeved on one side of the connecting rod 6, a first tension spring 12 is fixed on the bottom of the sliding ring 5 through a bolt, the first tension spring 12 is fixed with the rotary cylinder 2, two sliding rods 11 are inserted into the top of the rotary cylinder 2, the top ends of the sliding rods 11 penetrate through the rotary cylinder 2 and are fixed with the sliding ring 5, steel balls 10 are rotatably connected with the bottom ends of the sliding rods 11, the rotary cylinder 2 rotates to enable saw teeth 4 to rotate, so that the steel balls 10 rotate, the device can stably rotate, a positioning groove 14 is formed in the outer wall of one side of the connecting rod 6, a plurality of wedge blocks 13 are fixed in the positioning groove 14 through bolts, an inserting rod 15 is inserted into one side of the sliding ring 5, an inclined plane 18 is formed at one end of the inserting rod 15, when a hole saw processes a workpiece, the rotating cylinder 2 moves downwards to enable the steel ball 10 to push the sliding rod 11 to move upwards along the rotating cylinder 2, so that the sliding ring 5 drives the inclined surface 18 on the inserting rod 15 to move upwards along the wedge-shaped block 13 in the positioning groove 14, the inclined surface 18 is in contact with the wedge-shaped block 13, a second tension spring 16 is sleeved on one side of the inserting rod 15, two ends of the second tension spring 16 are respectively fixed with the inserting rod 15 and the sliding ring 5, when the saw teeth 4 cut the workpiece, the inserting rod 15 is pulled backwards to enable the inserting rod to leave the wedge-shaped block 13, at the moment, the first tension spring 12 rebounds and contracts, so that the sliding ring 5 drives the sliding rod 11 to move downwards, the steel ball 10 pushes the cut waste materials to automatically move out of the rotating cylinder 2, and the situation that the cut waste materials are clamped inside a hole saw and need to be cleared by workers is avoided.

In the utility model, it should be noted that a center drill 9 is fixed at the bottom of a rotary cylinder 2 through a bolt, a spring 8 is sleeved at one side of the center drill 9, the spring 8 is fixed with the inner wall of the top of the rotary cylinder 2, after the saw teeth 4 cut a workpiece, the spring 8 rebounds and extends, so that the spring 8 generates thrust on the cut waste, and the waste is further rapidly moved out from the inside of a hole saw, the bottom of the rotary cylinder 2 is provided with a plurality of saw teeth 4, the saw teeth 4 are uniformly distributed, the top of the rotary cylinder 2 is provided with a plurality of heat dissipation holes 1, the heat dissipation holes 1 are symmetrically distributed, one side outer wall of the rotary cylinder 2 is provided with a chip guide groove 3, the hole saw generates waste chips in the process of processing the workpiece, the chip guide groove 3 can guide the waste out, the chips are prevented from being accumulated to influence the processing effect of the device, a fixing block 7 is fixed at the top end of a connecting rod 6 through a bolt, and one end of an inserting rod 15 is fixed with a pull ring 17 through a bolt, one side of pull ring 17 bonds and has the slipmat, and pull ring 17 makes things convenient for the staff to spur inserted bar 15, makes the device more convenient.

The working principle is as follows: when the hole saw is used for processing a workpiece, the central drill 9 moves downwards to enable the spring 8 to contract, meanwhile, the steel ball 10 pushes the sliding rod 11 to move upwards along the rotating cylinder 2, so that the sliding ring 5 drives the inclined surface 18 on the inserting rod 15 to move upwards along the wedge-shaped block 13 in the positioning groove 14, the first tension spring 12 extends, when the hole saw is used for processing the workpiece and needs to move cut waste materials out of the hole saw, the pull ring 17 is pulled backwards, the second tension spring 16 extends to enable the inserting rod 15 to leave the wedge-shaped block 13, at the moment, the first tension spring 12 rebounds and contracts, so that the sliding ring 5 drives the sliding rod 11 to move downwards, further, the steel ball 10 pushes the cut waste materials to automatically move out of the rotating cylinder 2, meanwhile, the spring 8 rebounds and extends to enable the spring 8 to generate thrust on the cut waste materials, further, the waste materials can move out of the hole saw more quickly, and the hole saw can generate waste materials in the process of processing the workpiece, chip groove 3 is derived the waste material, avoids the piece to pile up the processing effect that influences the device.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A multifunctional superhard alloy hole saw comprises a rotary cylinder (2) and is characterized in that the top of the rotary cylinder (2) is fixedly connected with a connecting rod (6), one side of the connecting rod (6) is movably connected with a sliding ring (5), the bottom of the sliding ring (5) is fixedly connected with a first tension spring (12), the first tension spring (12) is fixed with the rotary cylinder (2), the top of the rotary cylinder (2) is movably connected with two sliding rods (11), the top ends of the sliding rods (11) penetrate through the rotary cylinder (2) to be fixed with the sliding ring (5), the bottom ends of the sliding rods (11) are movably connected with steel balls (10), the outer wall of one side of the connecting rod (6) is provided with a positioning groove (14), a plurality of wedge blocks (13) are fixedly connected in the positioning groove (14), one side of the sliding ring (5) is movably connected with an inserting rod (15), one end of the inserting rod (15) is provided with an inclined plane (18), and the inclined plane (18) contacts with the wedge-shaped block (13), one side of the inserted bar (15) is movably connected with a second tension spring (16), and two ends of the second tension spring (16) are respectively fixed with the inserted bar (15) and the slip ring (5)

2. A multifunctional superhard alloy hole saw according to claim 1, wherein a centre drill (9) is fixedly connected to the bottom of the rotary drum (2).

3. A multifunctional superhard alloy hole saw according to claim 2, wherein a spring (8) is movably connected to one side of the centre drill (9), and the spring (8) is fixed to the top inner wall of the rotary drum (2).

4. A multifunctional superhard alloy hole saw according to claim 3, wherein the bottom of the rotary cylinder (2) is provided with a plurality of saw teeth (4), and the saw teeth (4) are evenly distributed.

5. A multifunctional superhard alloy hole saw according to claim 4, wherein a plurality of heat dissipation holes (1) are formed in the top of the rotary cylinder (2), and the heat dissipation holes (1) are symmetrically distributed.

6. A multifunctional superhard alloy hole saw according to claim 5, wherein the outer wall of one side of the rotary cylinder (2) is provided with a chip guide groove (3).

7. A multifunctional superhard alloy hole saw according to claim 1, characterized in that a fixing block (7) is fixedly connected to the top end of the connecting rod (6).

8. A multifunctional superhard alloy hole saw according to claim 1, wherein one end of the inserted rod (15) is fixedly connected with a pull ring (17), and one side of the pull ring (17) is fixedly connected with a non-slip mat.