CN218612862U

CN218612862U - Elastic flushing chuck

Info

Publication number: CN218612862U
Application number: CN202223137122.4U
Authority: CN
Inventors: 张�荣
Original assignee: Shenzhen Guangming District Borong Electromechanical Trading Firm
Current assignee: Shenzhen Guangming District Borong Electromechanical Trading Firm
Priority date: 2022-11-24
Filing date: 2022-11-24
Publication date: 2023-03-14
Anticipated expiration: 2032-11-24

Abstract

The utility model discloses an elastic flushing chuck, including the chuck body, the upper end of chuck body is provided with first toper platform, cutter clamp hole is worn to be equipped with to the axial in the middle of the first toper platform, the wall hoop of first toper platform is provided with a plurality of first linear slots, each first linear slot intercommunication the terminal surface of first toper platform, outer wall reach cutter clamp hole, it is a plurality of first linear slot will a plurality of clamp splices are cut apart into to first toper platform, the basin is worn to be equipped with to the inside wall axial of clamp splice, the lower extreme of chuck body is provided with the water inlet, the upper end of water inlet with the lower extreme in cutter clamp hole meets, the lower extreme in basin with the water inlet intercommunication. The utility model discloses do not use interior cold cutter, use ordinary cutter can wash cutter and processing hole, protection cutter.

Description

Elastic flushing chuck

Technical Field

The utility model relates to a cutter centre gripping instrument technical field especially relates to an collet with washing function.

Background

In the machining industry, chucks are fixtures used to hold tools on machines such as drilling, tapping, milling, etc. The ER chuck is an elastic chuck, starts from Switzerland, and has wide application in clamping cutters in numerical control machining.

The ER chuck is a conical whole body with a hole in the middle and a plurality of slots on the periphery, the slotted conical whole body enables the chuck to have elasticity, the conical whole body is simultaneously extruded up and down through a special taper model, the clamping jaws shrink towards the center so as to clamp the cutter, and the elasticity of the slots springs open the clamping jaws to loosen the cutter when the cutter is loosened.

When a workpiece is subjected to deep hole machining, flowing fluid is required to clean the hole, on one hand, scraps in the hole are taken away, and on the other hand, the temperature of the blade surface of the cutter is reduced, so that the cutter is protected from being damaged by high temperature.

In the prior art, in order to realize synchronous cleaning in the machining process, an inner cooling cutter is generally adopted, the inner cooling cutter is a water tank arranged in the middle of the cutter, when the cutter drills, fluid is input into a machined hole through the water tank in the cutter, the temperature of the cutter is reduced, and scraps entering the hole are taken away, but the inner cooling cutter is expensive in manufacturing cost and high in cost.

Therefore, the prior art is in need of improvement.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned prior art's weak point, the utility model aims at providing an elastic flushing chuck, aim at not using interior cold cutter also can wash cutter and processing hole, protection cutter.

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

a spring-actuated flushing cartridge comprising a cartridge body, wherein:

the upper end of the chuck body is provided with a first conical table, a cutter clamping hole axially penetrates through the middle of the first conical table, the wall surface of the first conical table is annularly provided with a plurality of first linear slots, each first linear slot is communicated with the end surface, the outer wall surface and the cutter clamping hole of the first conical table, and the first conical table is divided into a plurality of clamping blocks by the first linear slots;

the inner side wall of the clamping block is axially provided with a water outlet groove in a penetrating mode, the lower end of the chuck body is provided with a water inlet, the upper end of the water inlet is connected with the lower end of the cutter clamping hole, and the lower end of the water outlet groove is communicated with the water inlet.

The water outlet grooves are uniformly distributed on the inner walls of the clamping blocks.

Wherein, the aperture of the water inlet is larger than the aperture of the cutter clamping hole.

The end face of the first conical table also extends upwards to be provided with an anti-vibration head, the first linear slots extend upwards to divide the anti-vibration head into a plurality of anti-vibration blocks, the middle of the anti-vibration head is penetrated by the cutter clamp hole, and the inner walls of the anti-vibration blocks are penetrated by the water outlet grooves.

Each shockproof block and the clamping block at the lower end of the shockproof block are of an integral structure.

The anti-vibration device is characterized by further comprising a water stopping nut, wherein an internal thread is arranged on the water stopping nut, an external thread is arranged on the anti-vibration head, and the internal thread of the water stopping nut is in threaded connection with the external thread of the anti-vibration head.

The lower end of the water stop nut extends outwards to form a cover plate, and the cover plate is abutted to the end face of the first conical table.

The cover plate is hexagonal, or a wrench concave hole is formed in the cover plate.

The lower end of the chuck body is provided with a second conical table, the wall surface of the second conical table is provided with a plurality of second linear slots, and each second linear slot is communicated with the end surface and the outer wall surface of the second conical table and the cutter clamping hole.

Wherein the first plurality of linear slots are interleaved with the second plurality of linear slots.

It is understood that within the scope of the present invention, the technical features of the invention described above and those described in detail in the following (for example, in the embodiments) can be combined with each other to form new or preferred technical solutions, which are not described herein in any more detail.

The utility model discloses an elastic flushing chuck, cut apart into a plurality of clamp splices through the first toper platform with on the chuck body, then wear to be equipped with out the basin in the inside wall axial of clamp splice, the lower extreme of chuck body is provided with the water inlet, the upper end of water inlet meets with the lower extreme in cutter clamp hole, go out the lower extreme and the water inlet intercommunication in basin, when using like this, pack into the cutter clamp hole with the handle of a knife of cutter, then put into the sleeve with whole chuck and draw in first toper platform in with pressing from both sides tight cutter, the water inlet of chuck lower extreme inserts high-pressure water source and intakes, man-hour like this, high-pressure rivers spout along the basin in the cutter outside to the place ahead in the chuck, wash the hole site on the work piece, also wash the cutter simultaneously, reduce the temperature of cutter in the course of work, thereby the cutter has been protected. The utility model discloses an elastic flushing chuck cooperates ordinary cutter can accomplish deep hole machining, need not interior cold cutting tool, greatly reduced the processing cost, be suitable for popularization and application.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic structural view of a first embodiment of an elastic flushing chuck according to the present invention;

FIG. 2 is a schematic top plan view of the structure of FIG. 1;

FIG. 3 is a schematic structural view of a second embodiment of the elastic flushing chuck according to the present invention;

FIG. 4 is an exploded view of the structure of FIG. 3;

FIG. 5 is a schematic top view of the stop nut.

Description of reference numerals:

100-chuck, 1-chuck body, 2-first conical table, 21-chuck block, 3-cutter chuck hole, 4-first linear slot, 5-water outlet groove, 6-water inlet, 7-shockproof head, 71-shockproof block, 72-external thread, 8-water stop nut, 81-internal thread, 82-cover plate, 821-wrench concave hole, 83-cutter hole, 9-second conical table, 10-second linear slot and 11-contraction section.

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 efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front, and rear … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "connected" may be a fixed connection or a removable connection, or may be integral therewith; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Furthermore, descriptions in the present application as to "first," "second," etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.

Referring to fig. 1 to 2, the present invention provides an elastic flushing chuck 100, which includes a chuck body 1, the upper end of the chuck body 1 is provided with a first conical table 2, a cutter clamping hole 3 axially penetrates through the middle of the first conical table 2, a plurality of first linear slots 4 are annularly arranged on the wall surface of the first conical table 2, each of the first linear slots 4 is communicated with the end surface, the outer wall surface and the cutter clamping hole 3 of the first conical table 2, and the first conical table 2 is divided into a plurality of clamping blocks 21 by the plurality of first linear slots 4. The first conical table 2 is divided into a plurality of clamping blocks 21 by a plurality of first linear slots 4 to form clamping jaws, and the middle of each clamping jaw is provided with a hollow tool clamping hole 3 for clamping a tool shank of a tool. As shown in FIG. 2, since the first conical table 2 is divided into a plurality of clamping blocks 21 by the first linear slots 4 in the circumferential direction, so that there is a first linear slot 4 between two adjacent clamping blocks 21, the first linear slot 4 allows two adjacent clamping blocks 21 to be folded or unfolded. As shown in fig. 1, the outer wall surface of the first tapered platform 2 is a tapered surface with a small top and a large bottom, so that when the outer wall surface of the first tapered platform 2 is sleeved with a tapered sleeve and pressed downwards, the width of the first linear slot 4 between two adjacent clamping blocks 21 is reduced, and the whole clamping jaw is closed so as to clamp the tool holder in the tool holder hole 3. When the conical sleeve sleeved on the outer wall surface of the first conical table 2 is removed, each clamping block 21 is expanded outwards due to the elastic action of the material of the clamping block, so that the cutter in the cutter clamping hole 3 is loosened, and the cutter can be taken out.

As shown in fig. 1 and 2, each of the first linear slits 4 cuts the first tapered table 2 downward from the upper end of the first tapered table 2, the inner side of the first linear slit 4 communicates with the toolholder bore 3, and the outer side of the first linear slit 4 cuts the outer wall of the first tapered table 2. The first linear slot 4 extends towards the lower end of the collet body 1, but the first linear slot 4 does not extend to the bottom of the collet body 1. The first linear slot 4 is the key structure for the jaws to elastically contract and expand. Preferably, in this embodiment, 3 first linear slots 4 are uniformly distributed on the first conical table 2 in the circumferential direction.

The utility model discloses the inside wall axial of clamp splice 21 is worn to be equipped with out basin 5, the lower extreme of chuck body 1 is provided with water inlet 6, the upper end of water inlet 6 with the lower extreme of cutter clamp hole 3 meets, go out the lower extreme of basin 5 with water inlet 6 intercommunication. Thus, even if the clamping jaws are completely closed, that is, the width of the first linear slot 4 between the clamping blocks 21 is zero, due to the existence of the water outlet groove 5, the high-pressure water source entering from the water inlet 6 at the lower end of the chuck body 1 can still flow in the chuck body 1 along the lower end of the water outlet groove 5 to the upper end of the water outlet groove 5 and be sprayed out from the upper end of the water outlet groove 5, and the water outlet groove 5 in this embodiment is communicated with the tool clamping hole 3. The holes in the workpieces being processed can be cleaned by water sprayed from the upper end of the water outlet groove 5, scrap iron in the holes is taken away, meanwhile, the water sprayed from the upper end of the water outlet groove 5 can flow on the cutter in the middle of the clamping jaw, and therefore heat on the cutter is taken away to cool the cutter, the cutter is protected, and the cutter can complete normal cutting and drilling. Because the utility model discloses an elastic flushing chuck 100's upper end has the play basin 5 of water spray, can be the cutter cooling at the course of working, so the utility model discloses an elastic flushing chuck 100 can assemble ordinary cutter and also can accomplish spot facing work, need not interior cold cutter, reduces the cost of prior art spot facing work process.

Preferably, as shown in fig. 2, the outlet channels 5 on the clamping head 100 of the present invention include a plurality of outlet channels 5 uniformly distributed on the inner walls of the plurality of clamping blocks 21. Namely, the inner side wall of each clamping block 21 is provided with a water outlet groove 5. Like this when clamping jaw centre gripping cutter back, the lateral wall ring of cutter evenly distributed has a plurality of water outlet tank 5 for the peripheral play water of cutter is even, is convenient for the cutter cooling.

Preferably, the aperture of the water inlet 6 is larger than that of the cutter clamp hole 3. Thus, when water flows into the cutter clamping hole 3 from the water inlet 6, the water flow can be pressurized and quickly sprayed out due to the fact that the flow area is reduced, and the washing effect is enhanced.

Further, as shown in fig. 1 and 2, an anti-vibration head 7 is further extended upward from the end surface of the first conical table 2, the first linear slots 4 are extended upward to divide the anti-vibration head 7 into a plurality of anti-vibration blocks 71, the middle of the anti-vibration head 7 is penetrated through by the cutter clamp hole 3, and the inner walls of the anti-vibration blocks 71 are penetrated through by the water outlet grooves 5.

In the prior art, if a chuck clamps a tiny cutter, vibration is easy to generate. And the utility model discloses the terminal surface extension of first toper platform 2 promptly sets up shockproof head 7 in the upper end of chuck 100, and shockproof head 7 is also worn to establish by cutter holder hole 3 to be cut apart by first linear line seam 4, shockproof head 7 can the centre gripping cutter like this. The shockproof head 7 prolongs the clamping length of the cutter, so that the utility model can be effectively prevented from shaking when the chuck 100 clamps the small cutter. Meanwhile, as the shockproof block 71 of the shockproof head 7 is also provided with the water outlet groove 5 in a penetrating way, after the shockproof head 7 is added on the first conical table 2, the water outlet of the chuck 100 is not influenced, and the cleaning of the hole and the washing and cooling functions of the cutter are not influenced.

In this embodiment, each of the shock-proof blocks 71 and the clamping block 21 at the lower end thereof are integrated into a whole, so that the integrated structure has a better clamping effect and can ensure the strength of the shock-proof head 7.

Further, as shown in fig. 3 to 5, the elastic flushing chuck 100 of the present invention further includes a water-stop nut 8, the water-stop nut 8 is provided with an internal thread 81, the anti-vibration head 7 is provided with an external thread 72, the internal thread 81 of the water-stop nut 8 is screwed with the external thread 72 of the anti-vibration head 7. Preferably, the utility model discloses an outer wall of shockproof head 7 is the toper setting, and cutter hole 83 has been seted up to stagnant water nut 8's centre and has been used for wearing out the cutter, and cutter hole 83 inner wall also is the toper that the toper set up with the toper of shockproof head 7 outer wall of adaptation. When the internal thread 81 of the water stop nut 8 is in screw connection with the external thread 72 of the shockproof head 7, the taper of the shockproof head 7 is extruded, the clamping block of the shockproof head 7 shrinks towards the middle, and the clamping force of the strong clamping head 100 is increased.

When the first conical table 2 with the conical surface is folded, the shockproof head 7 is also folded, and in the embodiment, the shockproof head 7 can be further folded after the water-stop nut 8 is screwed on the shockproof head 7, so that the clamping effect of the small cutter is enhanced, and meanwhile, the water in the water outlet groove 5 can be prevented from leaking from the first linear slot opening 4 on the side wall of the conical shockproof head 7.

Preferably, the lower end of the water-stop nut 8 extends outwards to form a cover plate 82, and the cover plate 82 abuts against the end face of the first conical table 2. The cover plate 82 can increase the contact surface between the water stop nut 8 and the end surface of the first conical table 2, and the leakage-proof effect is improved.

As a way of example, the cover 82 has a hexagonal shape, so that the sealing nut 8 can be screwed with a common open spanner.

Alternatively, the cover 82 is provided with a wrench recess 821. The arrangement of the wrench concave hole 821 can use a special wrench to quickly disassemble and assemble the water stop nut 8. It will be appreciated that the sealing nut 8 may be provided in other shapes and configurations to accommodate different wrenches.

With reference to fig. 1, a second tapered table 9 is disposed at the lower end of the chuck body 1, a plurality of second linear slots 10 are disposed on the wall surface of the second tapered table 9, and each second linear slot 10 communicates with the end surface and the outer wall surface of the second tapered table 9 and the tool clamping hole 3. The second tapered land 9 and the second linear slot 10 are arranged to enhance the resilient clamping effect of the entire chuck body 1.

Preferably, the plurality of first linear slots 4 are staggered from the plurality of second linear slots 10.

Preferably, the middle part of the chuck body 1 is provided with a contraction section 11 connecting the first conical table 2 and the second conical table 9, and the outer diameter of the contraction section 11 is smaller than the outer diameters of the first conical table 2 and the second conical table 9. The constriction 11 is cut by the first linear slot 4, or by the second linear slot 10, or by both the first linear slot 4 and the second linear slot 10. After the first tapered platform 2 is applied with a first tapered sleeve (not shown), and the second tapered platform 9 is applied with a second tapered sleeve (not shown), the setting of the contraction section 11 plays a role in fixing the position of the chuck 100, preventing the position from moving, and simultaneously facilitating the connection between the first tapered sleeve and the second tapered sleeve.

The embodiment of the utility model provides an elastic flushing chuck 100, through cutting apart into a plurality of clamp splices 21 with first toper platform 2 on the chuck body 1, then wear to be equipped with out basin 5 in the inside wall axial of clamp splice 21, the lower extreme of chuck body 1 is provided with water inlet 6, the upper end of water inlet 6 meets with the lower extreme of cutter holder hole 3, the lower extreme and the water inlet 6 intercommunication of out basin 5, when using like this, pack into cutter holder hole 3 with the handle of a knife of cutter, then put into the sleeve with whole chuck 100 and draw in first toper platform 2 in with the tight cutter of clamp, water inlet 6 of chuck 100 lower extreme inserts high-pressure water source and intakes, man-hour like this, high-pressure rivers spout along the play basin 5 frontwards in the cutter outside in chuck 100, wash the processing hole site on the work piece, go out basin 5 frontwards gushing water simultaneously and can follow the cutter parallel flow through, wash the cooling to the cutter, thereby the cutter has been protected. Use the utility model discloses a deep hole processing on the work piece can be accomplished to the spring flushing chuck 100, cooperation ordinary cutter, need not interior cold cutting tool, has reduced the processing cost.

The above only for the purpose of clearly illustrating the examples of the present invention, not limiting the scope of the present invention, can't be exhausted to all the embodiments, all the concepts of the present invention, utilize the equivalent structure transformation of the content of the technical solution of the present invention, or directly/indirectly use in other related technical fields and are all included in the protection scope of the present invention.

Claims

1. The utility model provides a spring flushing chuck, includes the chuck body, its characterized in that:

2. The elastomeric rinsing cartridge of claim 1 wherein the plurality of exit channels are evenly distributed on the inner wall of the plurality of clamping blocks.

3. The elastomeric rinsing cartridge according to claim 1 wherein the water inlet bore is larger than the bore diameter of the tool holder bore.

4. The elastomeric flushing collet of claim 1, wherein the end surface of the first conical table further has an upwardly extending shock head, the first plurality of linear slots extend upwardly to divide the shock head into a plurality of shock blocks, the middle of the shock head is penetrated by the tool holder hole, and the inner walls of the shock blocks are penetrated by the water outlet channel.

5. The elastomeric purge cartridge of claim 4, wherein each of said anti-rattle blocks is of unitary construction with said clamping block at a lower end thereof.

6. The elastomeric rinsing chuck according to claim 4 further comprising a water stop nut, said water stop nut being provided with an internal thread, said anti-vibration head being provided with an external thread, said internal thread of said water stop nut being threadedly connected with said external thread of said anti-vibration head.

7. The elastomeric purge cartridge of claim 6, wherein a cover plate extends outwardly from a lower end of the water stop nut, the cover plate abutting an end surface of the first tapered land.

8. The elastomeric flush cartridge according to claim 7, wherein said cover plate is hexagonal or has wrench recesses therein.

9. The elastomeric flushing collet of claim 1, wherein the lower end of the collet body is provided with a second conical table, the wall of the second conical table is provided with a plurality of second linear slots, and each second linear slot communicates the end surface and the outer wall of the second conical table with the tool holder bore.

10. The elastomeric rinsing collet of claim 9 wherein the first plurality of linear slots are staggered from the second plurality of linear slots.