CN209035534U - Cold depth drill in a kind of overlength of adjustable length - Google Patents

Cold depth drill in a kind of overlength of adjustable length Download PDF

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Publication number
CN209035534U
CN209035534U CN201821908036.XU CN201821908036U CN209035534U CN 209035534 U CN209035534 U CN 209035534U CN 201821908036 U CN201821908036 U CN 201821908036U CN 209035534 U CN209035534 U CN 209035534U
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China
Prior art keywords
drill
handle cylinder
drill bit
tube
overlength
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Active
Application number
CN201821908036.XU
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Chinese (zh)
Inventor
王瑨
郭中杰
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Wuhan Arnold Precision Tools Co Ltd
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Wuhan Arnold Precision Tools Co Ltd
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Priority to CN201821908036.XU priority Critical patent/CN209035534U/en
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Abstract

The utility model discloses cold depth drills in a kind of overlength of adjustable length of depth drill equipment technical field, including drill body, the right side of the drill body is equipped with handle cylinder, the right side of the handle cylinder is fixedly connected with mounting portion, the left side of the drill body is equipped with drill bit, the outside of the handle cylinder is fixedly connected by reinforcing rib with mounting portion, the channel of chip removal of helically structure is equipped on the outside of the drill body, by the way that threaded hole is arranged in handle cylinder, gasket etc., the length of drill body can be made to can according to need to be adjusted, it is more convenient for the use of people, the setting of U-tube can make coolant liquid first pass through U-tube to enter directly at drill bit in drill body simultaneously, cool down to drill bit, then it flows back, it flows back at chip-removal hole and sprays, keep chip removal more smooth, coolant liquid is prevented just to be discharged before reaching drill bit, drop drill bit cannot effectively Temperature.

Description

Cold depth drill in a kind of overlength of adjustable length
Technical field
The utility model relates to depth drill equipment technical field, cold deep hole in specially a kind of overlength of adjustable length It bores.
Background technique
Interior cold drill bit is a kind of machine tools, there is 1~2 through-hole from handle cylinder to cutting edge, make compressed air, oil or Cutting fluid passes through, and cooling cutter and workpiece is played, and wash away chip, particularly suitable for deep hole machining.
In the prior art, interior cold drill bit depth drill needs replacing cold drill bit in different according to punching depth in processing, It is not only time-consuming and laborious, while also increasing manufacturing cost, and since drilling depth is deeper, coolant liquid usually reach drill bit it Preceding to be just discharged, drill bit cannot effectively cool down, and drill bit is easily deformed at high temperature, reduce the service life of depth drill, For this purpose, we have proposed cold depth drills in a kind of overlength of adjustable length to come into operation, to solve the above problems.
Utility model content
The purpose of this utility model is to provide cold depth drills in a kind of overlength of adjustable length, to solve above-mentioned background The problem of being proposed in technology.
To achieve the above object, the utility model provides the following technical solutions: cold depth in a kind of overlength of adjustable length The right side of hole drill, including drill body, the drill body is equipped with handle cylinder, and the right side of the handle cylinder is fixedly connected with mounting portion, the drill body Left side be equipped with drill bit, the outside of the handle cylinder is fixedly connected by reinforcing rib with mounting portion, equipped in spiral shell on the outside of the drill body The channel of chip removal of structure is revolved, the drill body and handle cylinder are hollow setting, and the handle cylinder is equipped with water inlet.
Preferably, the handle tube inner chamber is respectively arranged on the left side and the right side threaded hole and limited block, and the limited block is located at water inlet The left side of mouth, the drill body are threadedly coupled by threaded hole with handle cylinder, and the drill body is through handle cylinder left side wall and and extends to handle In the inner cavity of cylinder, the right side of the drill body is equipped with gasket, and the handle cylinder is equipped with fastening bolt.
Preferably, in the inner cavity of the drill body be equipped with U-tube, the U-tube far from drill bit one end through gasket according to It is secondary to be communicated with the inner cavity of handle cylinder, water inlet, spray orifice is equipped on the left of the U-tube, the top of the U-tube is equipped with multiple groups chip removal Hole.
Preferably, the handle cylinder is equipped with the compatible scraper plate of channel of chip removal far from the side of mounting portion.
Compared with prior art, the utility model has the beneficial effects that the utility model is scientific and reasonable for structure, use is safe It is convenient, by the way that threaded hole, gasket etc. are arranged in handle cylinder, the length of drill body can be made to can according to need and be adjusted, more It is convenient for people to use, while the setting of U-tube can make coolant liquid first pass through U-tube to enter directly at drill bit in drill body, Cool down to drill bit, then flow back, flows back at chip-removal hole and spray, keep chip removal more smooth, prevent coolant liquid from arriving It is just discharged before up to drill bit, makes drill bit that cannot effectively cool down.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model;
Fig. 2 is the utility model drill body structural schematic diagram;
Fig. 3 is the utility model scraper plate scheme of installation.
In figure: 1 drill body, 2 handle cylinders, 21 threaded holes, 22 fastening bolts, 23 limited blocks, 3 mounting portions, 4 reinforcing ribs, 5 water inlets Mouth, 6 gaskets, 7 U-tubes, 8 drill bits, 9 channel of chip removal, 10 scraper plates, 11 chip-removal holes.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: cold deep hole in a kind of overlength of adjustable length It bores, including drill body 1, the right side of the drill body 1 is equipped with handle cylinder 2, and the right side of the handle cylinder 2 is fixedly connected with mounting portion 3, the brill The left side of body 1 is equipped with drill bit 8, and the outside of the handle cylinder 2 is fixedly connected by reinforcing rib 4 with mounting portion 3,1 outside of drill body Channel of chip removal 9 equipped with helically structure, the drill body 1 and handle cylinder 2 are hollow setting, and the handle cylinder 2 is equipped with water inlet 5。
Wherein, 2 inner cavity of handle cylinder is respectively arranged on the left side and the right side threaded hole 21 and limited block 23, and the limited block 23 is located at The left side of water inlet 5, the drill body 1 are threadedly coupled by threaded hole 21 with handle cylinder 2, the drill body 1 run through 2 left side wall of handle cylinder and And extend in the inner cavity of handle cylinder 2, the right side of the drill body 1 is equipped with gasket 6, and the handle cylinder 2 is equipped with fastening bolt 22, institute The setting for stating 2 inner limited block 23 of handle cylinder advantageously forms cavity, facilitates the draining of water inlet 5;In the inner cavity of the drill body 1 Equipped with U-tube 7, the one end of the U-tube 7 far from drill bit 8 is successively communicated with the inner cavity of handle cylinder 2, water inlet 5 through gasket 6, Spray orifice is equipped on the left of the U-tube 7, the top of the U-tube 7 is equipped with multiple groups chip-removal hole 11, the setting of the U-tube 7 in drill body 1 Be conducive to coolant liquid and first pass through U-tube 7 to enter directly at drill bit 8, cools down to drill bit 8, then flow back, flow back into It is sprayed at chip-removal hole 11, keeps chip removal more smooth, prevent coolant liquid to be just discharged before reaching drill bit 8, cannot get drill bit 8 Effectively cool down;The handle cylinder 2 is equipped with the compatible scraper plate 10 of channel of chip removal 9, the setting of scraper plate 10 far from the side of mounting portion 3 Can be when the long portion of expansion of drill body 1 be recovered in the inner cavity of handle cylinder 2, scraper plate 10 eliminates the mud in channel of chip removal 9 with clast, prevents Only impurity enters in handle cylinder 2.
Working principle: it can be relatively rotated according to required punching depth by drill body 1 and handle cylinder 2, thus by handle cylinder 2 The internal rotation of drill body 1 comes out, and extends drill body 1, then turns fastening bolt 22 and fixes, after adjusting, this is filled It sets and is fixedly mounted in external mechanical by mounting portion 3, after starting machine, drive drill body 1 to carry out drilling operation, in drilling operation When, cold water is passed through by water inlet 5, then cold water is entered in U-tube 7 by gasket 6, is then arrived in drill bit 8, to brill First 8 cool down, and are then sprayed by spray orifice, the material around drill bit 8 and drill bit 8 can be cooled down and be lubricated, Ensure that drilling quality, then cold-water reflux is discharged at chip-removal hole 11, to make chip removal more smoothly, prevent deep hole compared with Deep, the time that coolant liquid is just discharged before reaching drill bit 8 or coolant liquid reaches is longer, drop drill bit 8 cannot effectively Temperature, after use, twists and send fastening bolt 22, drill body 1 and handle cylinder 2 is carried out opposite rotation, thus by the long portion of the expansion of drill body 1 It is recovered in the inner cavity of handle cylinder 2, scraper plate 10 can eliminate the mud in channel of chip removal 9 with clast during recycling, prevent miscellaneous Matter enters in handle cylinder 2, and the utility model is convenient to use, and design rationally, has very strong practical value.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (4)

1. cold depth drill in a kind of overlength of adjustable length, including drill body (1), it is characterised in that: the right side of the drill body (1) Equipped with handle cylinder (2), the right side of the handle cylinder (2) is fixedly connected with mounting portion (3), and the left side of the drill body (1) is equipped with drill bit (8), the outside of the handle cylinder (2) is fixedly connected by reinforcing rib (4) with mounting portion (3), and being equipped on the outside of the drill body (1) is in spiral shell The channel of chip removal (9) of structure is revolved, the drill body (1) and handle cylinder (2) are hollow setting, and the handle cylinder (2) is equipped with water inlet (5).
2. cold depth drill in a kind of overlength of adjustable length according to claim 1, it is characterised in that: the handle cylinder (2) inner cavity is respectively arranged on the left side and the right side threaded hole (21) and limited block (23), and the limited block (23) is located at a left side for water inlet (5) Side, the drill body (1) are threadedly coupled by threaded hole (21) with handle cylinder (2), the drill body (1) run through handle cylinder (2) left side wall and And extend in the inner cavity of handle cylinder (2), the right side of the drill body (1) is equipped with gasket (6), and the handle cylinder (2) is equipped with fastening Bolt (22).
3. cold depth drill in a kind of overlength of adjustable length according to claim 1, it is characterised in that: the drill body (1) in inner cavity be equipped with U-tube (7), the U-tube (7) far from drill bit (8) one end through gasket (6) successively with handle cylinder (2) inner cavity, water inlet (5) communicate, and spray orifice is equipped on the left of the U-tube (7), and the top of the U-tube (7) is arranged equipped with multiple groups It considers to be worth doing hole (11).
4. cold depth drill in a kind of overlength of adjustable length according to claim 1, it is characterised in that: the handle cylinder (2) side far from mounting portion (3) is equipped with channel of chip removal (9) compatible scraper plate (10).
CN201821908036.XU 2018-11-20 2018-11-20 Cold depth drill in a kind of overlength of adjustable length Active CN209035534U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821908036.XU CN209035534U (en) 2018-11-20 2018-11-20 Cold depth drill in a kind of overlength of adjustable length

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821908036.XU CN209035534U (en) 2018-11-20 2018-11-20 Cold depth drill in a kind of overlength of adjustable length

Publications (1)

Publication Number Publication Date
CN209035534U true CN209035534U (en) 2019-06-28

Family

ID=67042904

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821908036.XU Active CN209035534U (en) 2018-11-20 2018-11-20 Cold depth drill in a kind of overlength of adjustable length

Country Status (1)

Country Link
CN (1) CN209035534U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021036692A1 (en) * 2019-08-28 2021-03-04 鄂州市兴方磨具有限公司 Drill bit with circulating cooling function

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021036692A1 (en) * 2019-08-28 2021-03-04 鄂州市兴方磨具有限公司 Drill bit with circulating cooling function

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