CN211758734U

CN211758734U - Central hole heat dissipation mechanism

Info

Publication number: CN211758734U
Application number: CN202020380848.2U
Authority: CN
Inventors: 贾元友
Original assignee: Qingdao Haoyuan Yiyou Forging Machinery Co Ltd
Current assignee: Qingdao Haoyuan Yiyou Forging Machinery Co Ltd
Priority date: 2020-03-24
Filing date: 2020-03-24
Publication date: 2020-10-27
Anticipated expiration: 2030-03-24

Abstract

The utility model discloses a centre bore heat dissipation mechanism, including installing the drill bit on the mount pad, be equipped with the standing groove on the drill bit, and install a liquid collecting seat in the standing groove, the collecting tank has been seted up on the liquid collecting seat, evenly be equipped with a plurality of liquid holes of downward sloping on the lateral wall of drill bit, and every liquid hole all communicates with the collecting tank through the drain pipe of tilt up, mount pad lower extreme fixed mounting has the leak protection stopper with collecting tank matched with. Has the advantages that: the utility model discloses can be in drilling process, cool down the operation to drill bit and work piece simultaneously, avoid leading to the possibility of drill bit or work piece deformation damage because of operational environment is too high, ensured the accuracy that the centre bore was seted up to a certain extent.

Description

Central hole heat dissipation mechanism

Technical Field

The utility model relates to a pore-forming heat dissipation technical field especially relates to centre bore heat dissipation mechanism.

Background

The center hole is a hole punched at the geometric center of a workpiece in the machining process, and a center hole is required to be formed in a general shaft part during machining, and is used as a positioning reference for subsequent machining of the part or used for bearing the dead weight and cutting force of the part during use.

The operation is seted up to current centre bore and is used the rig to accomplish, fixes the work piece that needs the pore-forming during the operation, utilizes the rotation of drill bit to carry out the trompil above that afterwards, but at the trompil in-process, the heat that drill bit and work piece friction produced can't give off very fast, and the drill bit is easy to be out of shape or damage because of the temperature is higher when long-time operation, influences the accuracy that the centre bore was seted up.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem existing in the prior art and providing a center hole heat dissipation mechanism.

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

centre bore heat dissipation mechanism, including installing the drill bit on the mount pad, be equipped with the standing groove on the drill bit, and install the collecting tray in the standing groove, the collecting tray has been seted up on the collecting tray, evenly be equipped with a plurality of liquid holes of downward sloping on the lateral wall of drill bit, and every liquid hole all communicates with the collecting tray through the drain pipe of tilt up, mount pad lower extreme fixed mounting has the leak protection stopper with collecting tray matched with.

In foretell centre bore heat dissipation mechanism, the fixed cover that the mount pad lower extreme fixed mounting set up two symmetries, and equal sliding connection has the briquetting in two fixed covers, two all be equipped with in the fixed cover and correspond briquetting matched with spout, two all install the spring between fixed cover and the briquetting that corresponds.

In the above-mentioned central hole heat dissipation mechanism, a plurality of fixture blocks are fixedly mounted at the lower end of the mounting seat, a plurality of clamping grooves matched with the corresponding fixture blocks are formed in the drill bit, a plurality of connecting holes are formed in the side wall of the drill bit, each connecting hole is communicated with the corresponding clamping groove, a fastening bolt is rotatably connected in each connecting hole, and one end of each fastening bolt extending into the corresponding clamping groove is in threaded connection with the corresponding fixture block.

In the above-mentioned central hole heat dissipation mechanism, a filter screen is fixedly installed in the liquid outlet hole, and the inner diameter of the upper end of the liquid collecting tank is smaller than the inner diameter of the lower end of the liquid collecting tank.

In the central hole heat dissipation mechanism, the lower end of the leakage-proof plug is fixedly provided with the sealing ring, and the sum of the lengths of the fixing sleeve and the pressing block is larger than the distance between the mounting seat and the liquid collecting seat.

In the above-mentioned central hole heat dissipation mechanism, the drill, the fixture block and the fastening bolt are all made of hard metal materials.

Compared with the prior art, the utility model discloses the advantage lies in:

1: through the cooperation of drain pipe and liquid outlet hole, at the in-process that the drill bit carries out the drilling operation, the coolant liquid in the collecting tank gets into between drill bit and the work piece because centrifugal force is thrown away to the operation of cooling down is carried out to the two simultaneously, avoids leading to the possibility of drill bit or work piece deformation damage because of the high temperature, has ensured the accuracy that the centre bore was seted up to a certain extent.

2: through the cooperation of spring and fixed cover, can make the briquetting continuously exert pressure to liquid collecting seat to keep its fixed in the standing groove, avoid the drilling in-process to rock the possibility that leads to its interior coolant liquid to spill because of liquid collecting seat, ensured going on smoothly of cooling operation to a certain extent.

To sum up, the utility model discloses can be at the drilling in-process, cool down the operation to drill bit and work piece simultaneously, avoid leading to the possibility of drill bit or work piece deformation damage because of operational environment is too high, ensured the accuracy that the centre bore was seted up to a certain extent.

Drawings

Fig. 1 is a schematic structural view of a central hole heat dissipation mechanism provided by the present invention;

FIG. 2 is a top view of the drill bit of FIG. 1;

fig. 3 is an enlarged view of a portion a of fig. 1.

In the figure: the drilling machine comprises a mounting seat 1, a drilling bit 2, a clamping block 3, a clamping groove 4, a connecting hole 5, a fastening bolt 6, a placing groove 7, a liquid collecting seat 8, a liquid collecting groove 9, a liquid outlet pipe 10, a liquid outlet hole 11, a leakproof plug 12, a fixed sleeve 13, a pressing block 14, a sliding groove 15 and a spring 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only 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 work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, the central hole heat dissipation mechanism comprises a drill bit 2 installed on an installation seat 1, a plurality of fixture blocks 3 are fixedly installed at the lower end of the installation seat 1, a plurality of clamping grooves 4 matched with the corresponding fixture blocks 3 are formed in the drill bit 2, the connection position of the installation seat 1 and the drill bit 2 can be limited, and the possibility of deviation of the drill bit 2 during installation is avoided.

Be equipped with a plurality of connecting holes 5 on the lateral wall of drill bit 2, and every connecting hole 5 all with the draw-in groove 4 intercommunication that corresponds, all rotate in every connecting hole 5 and be connected with fastening bolt 6, and every fastening bolt 6 extends to the one end that corresponds in the draw-in groove 4 all with the 3 threaded connection of fixture block that corresponds, can fix being connected of drill bit 2 and mount pad 1, and only need during the dismantlement screw down fastening bolt 6 can, be convenient for change drill bit 2, or add the coolant liquid in the liquid collecting seat 8.

Be equipped with standing groove 7 on drill bit 2, and install a liquid collecting seat 8 in standing groove 7, liquid collecting groove 9 has been seted up on liquid collecting seat 8, evenly be equipped with a plurality of liquid holes 11 of downward sloping on the lateral wall of drill bit 2, and every liquid hole 11 all communicates with liquid collecting groove 9 through the drain pipe 10 of tilt up, the coolant liquid is equipped with in the liquid collecting seat 8, carry out drilling operation to the work piece when drill bit 2, under the effect of centrifugal force, the coolant liquid is discharged from liquid hole 11 in, get into between work piece and the drill bit 2, thereby can carry out rapid cooling operation to the two.

Through the angle setting of drain pipe 10 and liquid outlet 11, can avoid the possibility that coolant liquid flows out from drain pipe 10 under the natural state to can make the coolant liquid that is thrown away from liquid outlet 11 be discharged downwards, avoid the extravagant problem of coolant liquid that causes when the level is thrown away.

Go out liquid hole 11 internal fixed mounting and have the filter screen, the piece that produces when the design of filter screen can avoid drilling causes its jam in getting out liquid hole 11, and 9 upper end internal diameters of collecting tank are less than 9 lower extreme internal diameters of collecting tank, have further increased the coolant liquid from the possibility of being thrown away in the collecting tank 9.

1 lower extreme fixed mounting of mount pad has the leak protection stopper 12 with collecting tank 9 matched with, and leak protection stopper 12 can avoid some coolant liquid to leak out from collecting tank 8 and get into in the standing groove 7, and leak protection stopper 12 lower extreme fixed mounting has the sealing washer, and the sealing washer can improve the leakproofness between leak protection stopper 12 and the collecting tank 9, further reduces the possibility that the coolant liquid spills.

Fixed cover 13 that 1 lower extreme fixed mounting of mount pad has two symmetries to set up, and equal sliding connection has briquetting 14 in two fixed covers 13, all be equipped with in two fixed covers 13 and correspond 14 matched with spouts 15 of briquetting, all install spring 16 between two fixed covers 13 and the briquetting 14 that corresponds, through the cooperation of spring 16 with fixed cover 13, can apply decurrent effort to briquetting 14, thereby compress tightly the operation to collection liquid seat 8, avoid its possibility that takes place to rock in standing groove 7.

The sum of the lengths of the fixing sleeve 13 and the pressing block 14 is larger than the distance between the mounting seat 1 and the liquid collecting seat 8, and the size design has the advantage that the pressing effect of the pressing block 14 on the liquid collecting seat 8 can be ensured.

The drill bit 2, the fixture block 3 and the fastening bolt 6 are all made of hard metal materials (the hard metal materials can be made of alloy steel materials), and the possibility that parts of the drill bit are broken due to insufficient strength of parts in the drilling process can be avoided due to the use of the hard metal materials.

Further, unless otherwise specifically stated or limited, the above-described fixed connection is to be understood in a broad sense, and may be, for example, welded, glued, or integrally formed as is conventional in the art.

In the utility model, a proper cooling liquid is added into the liquid collecting tank 9, then the liquid collecting seat 8 is placed in the placing groove 7, the plurality of clamping blocks 3 are aligned with the corresponding clamping grooves 4 and inserted into the clamping grooves, then the plurality of fastening bolts 6 are used for fixing the positions of the plurality of clamping blocks 3, the fixing of the mounting seat 1 and the drill bit 2 is completed, in the process of connecting the mounting seat 1 and the drill bit 2, the anti-leakage plug 12 enters the liquid collecting tank 9 to seal the anti-leakage plug, the pressing block 14 compresses the liquid collecting seat 8 under the elastic force of the spring 16 to avoid the shaking, the workpiece needing to be drilled can be subjected to center hole opening operation after the mounting is completed, in the drilling process, the cooling liquid is thrown out from the liquid outlet hole 11 along the liquid outlet pipe 10 under the action of the centrifugal force, thereby entering between the drill bit 2 and the workpiece, the rapid cooling operation is simultaneously carried out on the two, the possibility of deformation and damage of the drill bit 2 or the workpiece caused by overhigh temperature during the drilling, the accuracy of the opening of the central hole is ensured to a certain extent.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. Centre bore heat dissipation mechanism, including installing drill bit (2) on mount pad (1), its characterized in that, be equipped with standing groove (7) on drill bit (2), and install liquid collecting seat (8) in standing groove (7), liquid collecting groove (9) have been seted up on liquid collecting seat (8), evenly be equipped with a plurality of liquid holes (11) of downward sloping on the lateral wall of drill bit (2), and every liquid hole (11) all communicate with liquid collecting groove (9) through the drain pipe (10) of tilt up, mount pad (1) lower extreme fixed mounting have with liquid collecting groove (9) matched with leak protection stopper (12).

2. The central hole heat dissipation mechanism of claim 1, wherein two symmetrically arranged fixing sleeves (13) are fixedly installed at the lower end of the mounting seat (1), pressing blocks (14) are slidably connected in the two fixing sleeves (13), sliding grooves (15) matched with the corresponding pressing blocks (14) are formed in the two fixing sleeves (13), and springs (16) are installed between the two fixing sleeves (13) and the corresponding pressing blocks (14).

3. The central hole heat dissipation mechanism according to claim 1, wherein a plurality of clamping blocks (3) are fixedly mounted at the lower end of the mounting seat (1), a plurality of clamping grooves (4) matched with the corresponding clamping blocks (3) are formed in the drill bit (2), a plurality of connecting holes (5) are formed in the side wall of the drill bit (2), each connecting hole (5) is communicated with the corresponding clamping groove (4), a fastening bolt (6) is rotatably connected in each connecting hole (5), and one end of each fastening bolt (6) extending into the corresponding clamping groove (4) is in threaded connection with the corresponding clamping block (3).

4. The central hole heat dissipation mechanism of claim 1, wherein a filter screen is fixedly installed in the liquid outlet hole (11), and the inner diameter of the upper end of the liquid collection tank (9) is smaller than the inner diameter of the lower end of the liquid collection tank (9).

5. The central hole heat dissipation mechanism of claim 2, wherein a sealing ring is fixedly mounted at the lower end of the anti-leakage plug (12), and the sum of the lengths of the fixing sleeve (13) and the pressing block (14) is greater than the distance between the mounting seat (1) and the liquid collecting seat (8).

6. The central hole heat dissipation mechanism of claim 3, wherein the drill (2), the fixture block (3) and the fastening bolt (6) are all made of hard metal materials.