CN212976852U

CN212976852U - Aluminum alloy deep hole drill

Info

Publication number: CN212976852U
Application number: CN202021461150.XU
Authority: CN
Inventors: 袁伟; 王小杰; 郭志江; 魏思未
Original assignee: Wuhan Lesheng Taitu Equipment Management Co ltd
Current assignee: Wuhan Lesheng Taitu Equipment Management Co ltd
Priority date: 2020-07-22
Filing date: 2020-07-22
Publication date: 2021-04-16
Anticipated expiration: 2030-07-22

Abstract

The utility model discloses an aluminum alloy deep hole bores, bore body, drillstock and swift change piece including bit, drill bit, bit outer wall fixedly connected with twolip area, bit fixed connection bores the body left side in the drill bit, the inside left and right sides of spread groove sets up the chucking groove of two relative settings, the inside fixedly connected with chucking spring in chucking groove, chucking spring keeps away from chucking groove one side fixedly connected with chucking piece, connecting groove bottom fixedly connected with spring, spring top fixedly connected with pops out the piece, twolip outband wall is provided with the interior cold groove of two relative settings, bit and the internal portion of drill bit bore and is provided with the enhancement core. The utility model discloses in, through at spread groove bottom fixed connection spring, spring top fixed connection pops out the piece, when the drill bit needs to be changed, extrudes the chucking piece from the fixed slot, through the bounce of spring, makes to pop out the piece rebound and pops out the drill bit, and swift the change improves work efficiency.

Description

Aluminum alloy deep hole drill

Technical Field

The utility model belongs to the technical field of the machining cutter, specifically be an aluminum alloy deep hole bores.

Background

The drill bit is specially used for processing deep holes. In machining, holes with the ratio of the hole depth to the hole diameter larger than 6 are generally called deep holes and can be divided into two types of chip removal from outside and chip removal from inside, and gun drills, deep hole flat drills, deep hole twist drills and the like are arranged on the chip removal from outside; the internal chip removal is divided into BTA deep hole drill, jet drill and DF deep hole drill according to different gun drill processing systems, and the gun drill is usually made of high-speed steel or hard alloy. The various inner chip-removing deep hole drills can adopt a welded or mechanically clamped indexable hard alloy blade structure according to the size. The guide block on the deep hole drill plays a role in guiding and centering, and deflection of the drill hole and vibration during cutting are reduced. The arrangement of the cutter teeth and the guide block of the deep hole drill mainly considers the balance of chip separation and radial force during cutting. The cutter body and the drill rod can be connected by welding or square thread;

the aluminum alloy deep hole drill in the prior art is easy to break a cutter in the drilling process, the working efficiency is seriously influenced, the operation is more troublesome when the drill bit is replaced, and the aluminum alloy deep hole drill is difficult to break chips and process workpieces with inclined surfaces on the inlet and outlet surfaces when titanium-containing magnesium-containing workpieces are processed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the aluminum alloy deep hole drill is provided in order to solve the problems that the aluminum alloy deep hole drill in the prior art is easy to break a cutter in the drilling process, the working efficiency is seriously influenced, the operation is more troublesome when the drill bit is replaced, and the chip breaking is not easy to occur when a workpiece with titanium and magnesium is processed, and the workpiece with the inclined surface on the inlet surface and the outlet surface is not easy to process.

The utility model adopts the technical scheme as follows: the utility model provides an aluminum alloy deep hole bores, includes drill bit portion, the drill bit bores the body, the drillstock and swiftly changes the piece, drill bit portion outer wall fixedly connected with double-edged strip, drill bit portion fixed connection bores body left side in the drill bit, drill bit bores body fixed connection in the drillstock left side, the spread groove has been seted up to swiftly changes the inside spread groove, two relative chucking grooves that set up are seted up to the inside left and right sides of spread groove, the inside fixedly connected with chucking spring in chucking groove, chucking spring keeps away from chucking groove one side fixedly connected with chucking piece, connecting groove bottom fixedly connected with spring, spring top fixedly connected with pops out the piece, drill bit bores the inside interior cold groove that is provided with two relative settings of the body, drill bit portion and drill bit bore the internal portion and be provided.

In a preferred embodiment, the inner cooling grooves have a helix angle of 30 ° and a diameter of 0.5mm, and the distance between two inner cooling grooves is 1.8 mm.

In a preferred embodiment, the core allows a maximum taper difference of 0.1mm over a length of 100 mm.

In a preferred embodiment, the quick change block outer wall is provided with threads.

In a preferred embodiment, the outer wall of the drill handle is provided with two fixing grooves which are oppositely arranged.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, through seting up the spread groove in swift renew block inside, the inside left and right sides of spread groove sets up the chucking groove of two relative settings, chucking inslot portion fixed connection chucking spring, chucking groove one side fixed connection chucking piece is kept away from to the chucking spring, insert the drill bit drillstock in the fixed slot spread groove in the swift renew block, when the drillstock moves down, the extrusion chucking piece makes chucking piece inwards move, extrude chucking spring, when the chucking piece gets into the fixed slot, the chucking spring passes through its bounce, make chucking piece outwards move, carry out the chucking to the drill bit, install fast, and the work efficiency is improved.

2. The utility model discloses in, through at spread groove bottom fixed connection spring, spring top fixed connection pops out the piece, when the drill bit needs to be changed, rotates the drill bit and makes the chucking piece outwards remove, extrudes the chucking piece from the fixed slot, through the bounce of spring, makes to pop out the piece rebound and pops out the drill bit, and swift the change improves work efficiency.

Drawings

FIG. 1 is a schematic diagram of an aluminum alloy deep hole drill of the present invention;

FIG. 2 is a cross-sectional view of a drill bit body in the aluminum alloy deep hole drill of the present invention;

FIG. 3 is a cross-sectional view of a quick replacement block in an aluminum alloy deep hole drill of the present invention;

fig. 4 is a top view of a in the aluminum alloy deep hole drill of the present invention.

The labels in the figure are: 1-drill head, 2-drill body, 3-drill handle, 4-quick replacement block, 5-double-edged land, 6-reinforced core, 7-fixed groove, 8-connecting groove, 9-clamping groove, 10-clamping spring, 11-clamping block, 12-spring, 13-pop-up block and 14-internal cooling groove.

Detailed Description

To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-4, an aluminum alloy deep hole drill comprises a drill head part 1, a drill body 2, a drill handle 3 and a quick change block 4, wherein the outer wall of the drill handle 3 is provided with two fixing grooves 7 which are oppositely arranged, when the deep hole drill is used, the quick change block 4 is connected to a drill through screw threads, the drill handle 3 is inserted into a fixing groove connecting groove 8 in the quick change block 4, when the drill handle 3 moves downwards, the clamping block 11 is extruded to enable the clamping block 11 to move inwards, the clamping spring 10 is extruded, when the clamping block 11 enters the fixing groove 7, the clamping spring 10 enables the clamping block 11 to move outwards through the rebound force of the clamping spring, the drill head part is clamped, the outer wall of the quick change block 4 is provided with screw threads, the outer wall of the drill head part 1 is fixedly connected with a double-edged belt 5, the drill head part 1 is fixedly connected to the left side of the drill body 2, the drill body 2 is fixedly connected to the left side of the drill, two opposite clamping grooves 9 are formed in the left side and the right side of the inside of a connecting groove 8, a clamping spring 10 is fixedly connected inside the clamping groove 9, a clamping block 11 is fixedly connected on one side, away from the clamping groove 9, of the clamping spring 10, a spring 12 is fixedly connected at the bottom of the connecting groove 8, a pop-up block 13 is fixedly connected at the top of the spring 12, two opposite inner cooling grooves 14 are formed in a drill bit drill body 2, the helix angle of each inner cooling groove 14 is 30 degrees, the diameter of each inner cooling groove is 0.5mm, the distance between the two inner cooling grooves 14 is 1.8mm, reinforcing cores 6 are arranged in the drill bit head portion 1 and the drill bit drill body 2, the maximum taper difference of the reinforcing cores 6 within the range of 100mm is allowed to be 0.1mm, two opposite fixing grooves 7 are formed in the outer wall of a drill shank 3, when the drill bit needs to be replaced, the drill bit is rotated to enable the clamping block, moving the ejector block 13 upward ejects the drill bit.

The working principle is as follows: when using the deep hole to bore, will swiftly change 4 threaded connection on the rig, insert drill bit drillstock 3 in the fixed slot spread groove 8 in the swiftly change 4, when drillstock 3 moves down, extrusion chucking piece 11 makes chucking piece 11 inwards move, extrusion chucking spring 10, when chucking piece 11 gets into fixed slot 7, chucking spring 10 makes chucking piece 11 outwards move through its bounce, carry out the chucking to the drill bit, the drill bit extrudees popping out piece 13 simultaneously, when needs change the drill bit, it makes chucking piece 11 outwards move to rotate the drill bit, extrude chucking piece 11 from fixed slot 7, bounce through spring 12, make popping out piece 13 rebound and pop out the drill bit.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides an aluminum alloy deep hole bores, includes drill bit head (1), drill bit bores body (2), drillstock (3) and swift change piece (4), its characterized in that: the outer wall of the drill bit head (1) is fixedly connected with a double-edged land (5), the drill bit head (1) is fixedly connected with the left side of the drill bit body (2), the drill bit body (2) is fixedly connected to the left side of the drill handle (3), the rapid replacement block (4) is internally provided with a connecting groove (8), the left side and the right side in the connecting groove (8) are provided with two opposite clamping grooves (9), a clamping spring (10) is fixedly connected in the clamping groove (9), a clamping block (11) is fixedly connected on one side of the clamping spring (10) far away from the clamping groove (9), the bottom of the connecting groove (8) is fixedly connected with a spring (12), the top of the spring (12) is fixedly connected with an ejecting block (13), two oppositely arranged internal cooling grooves (14) are formed in the drill bit body, and reinforcing cores (6) are arranged in the drill bit head (1) and the drill bit body (2).

2. The aluminum alloy deep hole drill as claimed in claim 1, wherein: the helix angle of the internal cooling grooves (14) is 30 degrees, the diameter is 0.5mm, and the distance between the two internal cooling grooves (14) is 1.8 mm.

3. The aluminum alloy deep hole drill as claimed in claim 1, wherein: the core (6) allows a maximum taper difference of 0.1mm over a length of 100 mm.

4. The aluminum alloy deep hole drill as claimed in claim 1, wherein: the outer wall of the quick replacement block (4) is provided with threads.

5. The aluminum alloy deep hole drill as claimed in claim 1, wherein: two fixing grooves (7) which are oppositely arranged are formed in the outer wall of the drill handle (3).