CN214603385U

CN214603385U - Tool rest cooling structure for machine tool

Info

Publication number: CN214603385U
Application number: CN202120281582.0U
Authority: CN
Inventors: 陈圣杰; 姜少飞; 陈奕杭; 童晨屹
Original assignee: Ningbo Pinshang Precision Machine Tool Co ltd
Current assignee: Ningbo Pinshang Precision Machine Tool Co ltd
Priority date: 2021-02-01
Filing date: 2021-02-01
Publication date: 2021-11-05
Anticipated expiration: 2031-02-01

Abstract

The utility model provides a knife rest cooling structure for lathe belongs to the technical field of machine tool. The utility model has the advantages that the pressure knife block is provided with the flow guide holes which run through the two ends and the nozzles and the connecting joints which are respectively arranged at the two ends of the flow guide holes, the connecting joints are connected with the cutting fluid delivery pipe, the spray head of the nozzle faces to the knife head of the knife, the prior pressure knife block structure is fully utilized as a conveying pipeline, the cooling of the processing part and the blowing away operation of the sweeps are realized, the cost is reduced, the conveying stroke of the cutting fluid is only the width of the tool apron within the scope of the tool apron, the conveying stroke is shortened, meanwhile, the bearing capacity is better, the pipeline is not required to be bent, the problem of deformation and dislocation is avoided, the structural strength is higher, the problem of shaking in the use process is avoided, the stability is better, and, only need when initial installation adjust once can, avoid the inconvenience that follow-up adjustment repeatedly brought, alleviate the work burden heavy, save and arrange the space, the installation restriction is little, and adaptability is higher, does benefit to the promotion of lathe performance.

Description

Tool rest cooling structure for machine tool

Technical Field

The utility model relates to a machine tool's technical field specifically relates to a knife rest cooling structure for lathe.

Background

The processing machine tool comprises a series of devices such as a lathe, a milling machine and a processing center, and is used as a common device for processing products, and the structural reasonability of the processing machine tool is a necessary condition for ensuring the service performance of the processing machine tool.

At present, after a tool is mounted on a tool rest of a traditional machine tool in the market and in the machining process, in order to prevent the problems of overhigh temperature and winding of scraps, high-pressure cutting fluid needs to be guided to a tool bit through a metal hose or a plastic pipe on a machine frame and sprayed out, and the aims of cooling and blowing away the scraps are fulfilled. However, in order not to affect the movement of the tool rest and the installation of the tool on the tool rest, the metal hose or the plastic pipe needs to be wound from the upper part of the tool rest, so that the metal hose or the plastic pipe needs to be bent, the installation is troublesome, the stroke is long, the cost is high, in addition, in the using process, because the high-pressure cutting fluid is rapidly sprayed out, the pressure borne by the metal hose or the plastic pipe is large, the problem of deformation and dislocation is easy to occur in the using process, the sprayed high-pressure cutting fluid cannot be aligned to the tool bit of the prop, the purpose of cooling and blowing away the scraps cannot be achieved, the position needs to be frequently adjusted, the operation burden of an operator is increased, meanwhile, the stability of the metal hose or the plastic pipe with the long stroke is poor, the problem of shaking is easy to occur in the using process, and the use performance of the machine tool is also affected.

Disclosure of Invention

Aiming at the problems in the prior art, the objective is to provide a tool holder cooling structure for a machine tool, wherein a pressing cutter block of a tool holder is provided with a flow guide hole penetrating through two ends of the pressing cutter block, a nozzle is arranged at one end of the flow guide hole, and the other end of the flow guide hole is provided with a connecting joint, so that after a cutter is arranged on the tool holder and is pressed by the pressing cutter block, the cooling operation and the scrap blowing operation of a processing part can be realized only by connecting a cutting fluid delivery pipe to the connecting joint and adjusting a nozzle of the nozzle to face a tool bit of the cutter, the stroke is only the width of the tool holder, the minimization of the stroke is realized, the cost is lowest, meanwhile, a pipeline is not required to be bent, the problem of deformation and dislocation is avoided, the structural strength is higher, the stability is better, the service life is prolonged, the problem of shaking in the using process is avoided, only the initial alignment is required, and the follow-up frequent adjustment is not required, the processing burden is lightened, in addition, the existing cutter pressing block structure is fully utilized, the installation space does not need to be additionally arranged, the structure is simple and neat, the cutter pressing block structure can be located below the cutter, the installation limitation is small, and the use performance of the machine tool is improved.

The specific technical scheme is as follows:

the utility model provides a knife rest cooling structure for lathe, including blade holder and die-cutting piece, the cutter passes through the die-cutting piece and installs on the blade holder, such characteristic has, a water conservancy diversion hole that runs through its both ends is seted up along the installation direction of cutter on the die-cutting piece, and simultaneously, nozzle and attach fitting in intercommunication water conservancy diversion hole are installed respectively to the both ends of die-cutting piece, and, the nozzle is located the one side of the tool bit that is close to the cutter, attach fitting is located the one side that deviates from the tool bit of cutter, and simultaneously, the shower nozzle swing of nozzle is to the direction of the tool bit towards the cutter, attach fitting and cutting fluid send the liquid union coupling.

In the above tool rest cooling structure for a machine tool, the nozzle is a universal nozzle.

The cutter rest cooling structure for the machine tool is characterized in that the nozzle and the cutter pressing block and the connecting joint and the cutter pressing block are in threaded connection, inner threads are respectively arranged on the inner walls of the openings at the two ends of the flow guide hole, and outer threads matched with the corresponding inner threads are respectively arranged on the nozzle and the connecting joint.

In the above tool rest cooling structure for a machine tool, sealing structures are arranged between the nozzle and the flow guide hole and between the connecting joint and the flow guide hole.

The cutter rest cooling structure for the machine tool comprises a connecting seat and a locking nut, wherein the connecting joint is of a quick-release structure and comprises the connecting seat and the locking nut, the connecting seat is installed on a cutter pressing block, the locking nut is in threaded connection with the connecting seat, and one end of a cutting fluid delivery pipe is inserted into the connecting seat and is compressed through the locking nut.

The utility model provides an foretell knife rest cooling structure for lathe, wherein, the nozzle includes the fixing base and turns round, the one end of fixing base is installed on the pressing tool piece, the fixing base is provided with spherical rotation chamber, the import in intercommunication water conservancy diversion hole is seted up to one side that rotates the intracavity and be close to the pressing tool piece, the outside opening of intercommunication is seted up to one side that rotates the chamber back from the pressing tool piece, turn round including spherical rotor and shower nozzle, the one end of shower nozzle is fixed in on the rotor, the rotor rotates to be connected in rotating the intracavity, the shower nozzle stretches out from rotating the opening in chamber, the rotor is provided with the runner that communicates the shower nozzle and rotate the import in chamber.

In the above tool rest cooling structure for a machine tool, the nozzle of the nozzle is located on one side of the knife edge of the tool close to the tool apron, and a gap is provided between the nozzle and the knife edge.

In the above tool rest cooling structure for a machine tool, one end of the pressing tool block, which is provided with the connecting joint, extends out of the tool apron.

The cutter rest cooling structure for the machine tool is characterized in that the nozzle and the cutter pressing block as well as the connecting joint and the cutter pressing block are connected in a clamping mode, clamping blocks are arranged on the nozzle and the cutter pressing block, and clamping holes matched with the corresponding clamping blocks are respectively formed in the inner walls of the openings at the two ends of the guide hole in the cutter pressing block.

The positive effects of the technical scheme are as follows:

foretell knife rest cooling structure for lathe, utilize current die cutter piece structure on the blade holder, set up the water conservancy diversion hole that runs through its both ends on the die cutter piece, and be provided with the nozzle and the attach fitting in intercommunication water conservancy diversion hole respectively at the both ends of die cutter piece, make after installing the cutter on the blade holder and compressing tightly through the die cutter piece, only need with cutting fluid liquid delivery pipe connection to attach fitting on, and the shower nozzle of adjusting nozzle just can realize the operation of blowing away to the cooling of processing department and sweeps towards the tool bit department of cutter, and, the transport stroke is the width of blade holder only at the blade holder within range, the minimizing of transport stroke has been guaranteed, use cost is reduced. And, directly act as pipeline with the broach piece, need not to buckle, the problem of deformation dislocation has been avoided, structural strength is higher, stability is better, long service life, and the broach piece can keep absolute stability on the blade holder, the problem of rocking has taken place in the use has been avoided, in addition, only need carry out initial adjustment when the installation cutter can, follow-up adjustment once more that need not, operator's work burden has been alleviateed, and directly adopt current broach piece to arrange, need not to set up installation space in addition, manufacturing cost has been reduced, moreover, the steam generator is simple in structure and clean and tidy, and the position of broach piece and cutter can be exchanged, the installation restriction is less, adaptability is high, the performance of lathe has been promoted.

Drawings

Fig. 1 is a structural view of an embodiment of a tool holder cooling structure for a machine tool according to the present invention;

fig. 2 is a structural view of a pressing block in a tool rest cooling structure for a machine tool according to the present invention;

fig. 3 is a schematic view illustrating the installation of the cooling structure of the tool holder for a machine tool on the tool holder according to the present invention.

In the drawings: 1. a tool apron; 11. a cutter mounting groove; 2. pressing a cutter block; 21. a flow guide hole; 3. a cutter; 31. a cutter head; 311. a knife edge; 4. a nozzle; 41. a fixed seat; 42. turning the head; 421. a rotating body; 422. a spray head; 5. connecting a joint; 51. a connecting seat; 52. a lock nut; 6. a cutting fluid delivery pipe; 7. a knife rest.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the following embodiments are specifically described with reference to fig. 1 to 3, but the following contents are not intended to limit the present invention.

Fig. 1 is a structural view of an embodiment of a tool holder cooling structure for a machine tool according to the present invention; fig. 2 is a structural diagram of a pressing block in a tool rest cooling structure for a machine tool according to the present invention. As shown in fig. 1 and 2, the present embodiment provides a tool post cooling structure for a machine tool, including: blade holder 1 and cutter pressing block 2, at this moment, blade holder 1 is provided with cutter mounting groove 11, the thread locking hole of a plurality of intercommunication cutter mounting groove 11 has been seted up on blade holder 1, and the downthehole locking screw that is provided with one end and can move and stretch into in cutter mounting groove 11, cutter 3 is installed on blade holder 1 through cutter pressing block 2, cutter 3 places in cutter mounting groove 11 promptly, cutter pressing block 2 has been stacked on cutter 3, one side that cutter pressing block 2 deviates from butt cutter 3 is supported and is leaned on one of stretching into in cutter mounting groove 11 in locking screw, make when twisting locking screw, cutter 3 can be compressed tightly on blade holder 1 by cutter pressing block 2.

Specifically, a flow guide hole 21 penetrating through two ends of the cutter 3 is formed in the pressing cutter block 2 along the installation direction of the cutter, namely, a circulation channel for subsequent cutting fluid is formed by the pressing cutter block 2, so that structural utilization is realized, the problem of extra occupied space is avoided, and the structure is simple and concise. Meanwhile, a nozzle 4 and a connecting joint 5 which are communicated with the diversion hole 21 are respectively arranged at two ends of the cutter pressing block 2, the nozzle 4 is positioned at one side close to the cutter head 31 of the cutter 3, the connecting joint 5 is positioned at one side away from the cutter head 31 of the cutter 3, meanwhile, a spray head 422 of the nozzle 4 swings to the direction facing the cutter head 31 of the cutter 3, and the connecting joint 5 is connected with a cutting fluid delivery pipe 6, so that external cutting fluid supply equipment enters the diversion hole 21 of the cutter pressing block 2 through the cutting fluid delivery pipe 6 and the connecting joint 5 and then is sprayed to the cutter head 31 of the cutter 3 through the spray head 422 of the nozzle 4, cooling and blowing away of waste chips are realized in the subsequent processing process, the structure of the existing cutter pressing block 2 is fully utilized, no additional pipeline is needed, the occupation of space is avoided, the manufacturing cost is reduced, the structure is simple and neat, in addition, the delivery stroke of the cutting fluid at the cutter holder 1 is only 1 width, the minimization of the conveying stroke is realized, the use cost is reduced, in addition, adopt the pressing tool block 2 to act as pipeline, need not to buckle, the problem of pressurized deformation dislocation has been avoided, the emergence of rocking in the use has also been avoided, not only stability is higher, structural strength is better, the service life is prolonged, still make when using, only need carry out initial adjustment when installation cutter 3 can, need not in addition to adjust in the follow-up course of working, the work burden of operator has been alleviateed, also make simultaneously still can normal use when the mounted position of pressing tool block 2 and cutter 3 takes place to change, reduce the restriction of installation, adaptability has been improved, the performance of lathe has been promoted.

More specifically, nozzle 4 is universal nozzle, and shower nozzle 422 of nozzle 4 can turn to arbitrary direction under the effect of external force promptly to make nozzle 4 can adapt to the demand of arranging of different installation angle's cutter 3, adaptability is better, adjusts convenient and nimble, has further improved the performance of lathe.

More specifically, nozzle 4 and pressing tool block 2 and attach fitting 5 are threaded connection with pressing tool block 2, have made things convenient for the dismouting of nozzle 4 and attach fitting 5 on pressing tool block 2, do benefit to the maintenance of assembly and later stage. At this moment, the inner walls of the openings at the two ends of the diversion hole 21 are respectively provided with internal threads, the nozzle 4 and the connecting joint 5 are respectively provided with external threads matched with the corresponding internal threads, the processing and the manufacturing of the pressing cutter block 2, the nozzle 4 and the connecting joint 5 are facilitated, and the structural design is more reasonable.

More specifically, when installing nozzle 4 and attach fitting 5 on pressing sword piece 2, this moment, be provided with seal structure between nozzle 4 and the water conservancy diversion hole 21, equally, also be provided with seal structure between attach fitting 5 and the water conservancy diversion hole 21, seal structure is preferably the sealing washer to make when the high-pressure cutting fluid passes through water conservancy diversion hole 21 and from nozzle 4 blowout after getting into by attach fitting 5, the problem of leakage can not appear, the safety guarantee nature is higher, structural design is more reasonable.

More specifically, the connecting joint 5 is of a quick-release structure, so that the cutting fluid feeding pipe 6 can be conveniently mounted on the cutter pressing block 2. At this moment, the connector 5 includes connecting seat 51 and lock nut 52 again, and, connecting seat 51 is installed on the pressure sword piece 2, promptly the connector 5 is through its connecting seat 51 and pressure sword piece 2 erection joint, and simultaneously, lock nut 52 threaded connection is on connecting seat 51, lock nut 52 direct action promptly on connecting seat 51, realize the dismouting on connecting seat 51, and, the one end of cutting fluid liquid sending pipe 6 is inserted and is located in connecting seat 51 and compress tightly through lock nut 52, when being connected cutting fluid liquid sending pipe 6 to connector 5, only need unscrew lock nut 52 and insert cutting fluid liquid sending pipe 6 behind connecting seat 51 and tighten lock nut 52 again can, compress tightly cutting fluid liquid sending pipe 6 on connecting seat 51 through lock nut 52, thereby realize the stable connection of cutting fluid liquid sending pipe 6 and connector 5, structural design is more reasonable.

More specifically, nozzle 4 installed on pressing tool block 2 includes fixing base 41 and turning head 42 again, and the one end of fixing base 41 is installed on pressing tool block 2, and fixing base 41 has realized the connection of nozzle 4 and pressing tool block 2 as the mounting structure of nozzle 4 on pressing tool block 2 promptly. Meanwhile, the fixed seat 41 is provided with a spherical rotating cavity, and an inlet of the communicated flow guide hole 21 is formed in one side of the rotating cavity close to the cutter pressing block 2, namely, high-pressure cutting fluid passing through the flow guide hole 21 in the cutter pressing block 2 can enter the rotating cavity through the inlet, so that conditions are provided for subsequent cutting fluid spraying. And, the outside opening of intercommunication is seted up to the chamber back of rotating away from one side of pressing sword piece 2, and the head 42 includes spherical rotor 421 and shower nozzle 422, and the one end of shower nozzle 422 is fixed in on the rotor 421, and rotor 421 rotates to be connected in rotating the intracavity, and shower nozzle 422 stretches out from rotating the opening in chamber for when rotor 421 rotates, rotor 421 can drive shower nozzle 422 and rotate, realizes the regulation to shower nozzle 422 direction, thereby adapts to different processing demands. And, rotor 421 is provided with the runner of the import that communicates shower nozzle 422 and rotation chamber, makes the cutting fluid that enters into the rotation intracavity of fixing base 41 through the import from the water conservancy diversion hole 21 of pressing the sword piece 2 promptly can enter into shower nozzle 422 and spout from shower nozzle 422 through the runner, realizes blowing away of cooling and the sweeps of processing department, and structural design is more reasonable.

More specifically, the spray head 422 of the nozzle 4 is located on one side, close to the tool apron 1, of the tool edge 311 of the tool 3, and an interval is arranged between the spray head 422 and the tool edge 311, so that cutting fluid sprayed out of the spray head 422 of the nozzle 4 can be close to the processing position of the tool edge 311 of the tool 3, cooling and blowing away of scraps are achieved, meanwhile, the problem that the spray head 422 of the nozzle 4 blocks a workpiece to hinder processing can be prevented, and the structural design is more reasonable.

More specifically, the one end that connector 5 was installed to pressing tool block 2 stretches out outside blade holder 1 for the tip of pressing tool block 2 is in the outside of blade holder 1, has made things convenient for the installation of connector 5 on pressing tool block 2 and has made things convenient for the installation of cutting fluid liquid sending pipe 6 on connector 5, avoids receiving the restriction of blade holder 1, simple to operate, and structural design is more reasonable.

In addition, except that nozzle 4 and pressing tool piece 2 and attach fitting 5 are threaded connection's connected mode with pressing tool piece 2, still provide a connected mode with joint connection replacement threaded connection, this moment, nozzle 4 and pressing tool piece 2 and attach fitting 5 are the joint connection with pressing tool piece 2, all be provided with the fixture block on nozzle 4 and pressing tool piece 2 promptly, and be provided with respectively on pressing tool piece 2 and be located the open-ended inner wall at the both ends of water conservancy diversion hole 21 with the fixture block complex card hole that corresponds, when the installation, only need with the fixture block card on nozzle 4 and the attach fitting 5 go into corresponding card downthehole can, the dismouting is convenient equally, do benefit to the maintenance of assembly and later stage.

Fig. 3 is a schematic view illustrating the installation of the cooling structure of the tool holder for a machine tool on the tool holder according to the present invention. As shown in fig. 1 to 3, a plurality of tool holders 1, tools 3 and tool pressing blocks 2 corresponding to the tool holders 1 in number can be simultaneously arranged on one tool rest 7, each tool pressing block 2 corresponds to a nozzle 4 and a connector 5, at this time, the connectors 5 on the same tool rest 7 can be separately connected with a cutting fluid delivery pipe 6, and can also be collected on a liquid separator and then uniformly connected with the cutting fluid delivery pipe 6, and the tool holders 1, the tools 3 and the tool pressing blocks 2 in number can be arranged according to actual use requirements, so that the structure flexibility is higher, and the adaptability is better.

The tool rest cooling structure for the machine tool provided by the embodiment comprises a pressing tool block 2, a nozzle 4 and a connecting joint 5; the guide holes 21 penetrating through two ends are formed in the cutter pressing block 2, the two ends of the cutter pressing block 2 are respectively provided with the nozzle 4 and the connecting joint 5 which are communicated with the guide holes 21, so that after the cutter 3 is arranged on the cutter holder 1 and is tightly pressed by the cutter pressing block 2, the cutting fluid feeding pipe 6 is only connected to the connecting joint 5, and the spray head 422 of the nozzle 4 is adjusted to face the cutter head 31 of the cutter 3, so that the cooling and scrap blowing operation of a processing part can be realized, the structure of the existing cutter pressing block 2 is fully utilized as a conveying pipeline, the cost is reduced, meanwhile, the conveying stroke of the cutting fluid is only the width of the cutter holder 1 within the range of the cutter holder 1, the minimization of the conveying stroke is realized, the use cost is reduced, meanwhile, the problems that the pipeline needs to be bent and the like in the existing structure are avoided, the pressure bearing capacity is better, the problem of deformation and dislocation is avoided, the structural strength is higher, and the problem of shaking in the use process is avoided, stability is better to, only need when initial installation adjust once can, avoid follow-up inconvenient, the heavy problem of work burden that adjustment brought repeatedly, saved and arranged the space, the installation restriction is little, and adaptability is higher, does benefit to the promotion of lathe performance.

The above is only a preferred embodiment of the present invention, and not intended to limit the scope of the invention, and it should be appreciated by those skilled in the art that various equivalent substitutions and obvious changes made in the specification and drawings should be included within the scope of the present invention.

Claims

1. The utility model provides a knife rest cooling structure for lathe, blade holder and die-cutting piece, the cutter passes through the die-cutting piece install in on the blade holder, its characterized in that, follow on the die-cutting piece a water conservancy diversion hole that runs through its both ends is seted up to the installation direction of cutter, simultaneously, in the intercommunication is installed respectively at the both ends of die-cutting piece the nozzle and the attach fitting in water conservancy diversion hole, and, the nozzle is located and is close to one side of the tool bit of cutter, the attach fitting is located and deviates from one side of the tool bit of cutter, simultaneously, the shower nozzle swing of nozzle is to the orientation the direction of the tool bit of cutter, the attach fitting is connected with cutting fluid liquid delivery pipe.

2. The tool post cooling structure for a machine tool according to claim 1, wherein the nozzle is a universal nozzle.

3. The tool rest cooling structure for the machine tool according to claim 1, wherein the nozzle and the cutter pressing block and the connection joint and the cutter pressing block are both in threaded connection, inner threads are respectively provided on inner walls of openings at both ends of the flow guide hole, and outer threads which are engaged with the corresponding inner threads are respectively provided on the nozzle and the connection joint.

4. The tool holder cooling structure for a machine tool according to claim 1, wherein seal structures are provided between the nozzle and the pilot hole and between the connection joint and the pilot hole.

5. The tool rest cooling structure for a machine tool according to claim 1, wherein the connection joint is a quick-release structure including a connection seat and a lock nut, the connection seat is mounted on the tool holder block, the lock nut is threadedly connected to the connection seat, and one end of the cutting fluid delivery tube is inserted into the connection seat and is pressed by the lock nut.

6. The tool rest cooling structure for the machine tool according to claim 1, wherein the nozzle includes a fixing seat and a rotating head, one end of the fixing seat is mounted on the cutter pressing block, the fixing seat is provided with a spherical rotating cavity, one side of the rotating cavity, which is close to the cutter pressing block, is provided with an inlet communicated with the diversion hole, one side of the rotating cavity, which is far away from the cutter pressing block, is provided with an opening communicated with the outside, the rotating head includes a spherical rotating body and the nozzle, one end of the nozzle is fixed on the rotating body, the rotating body is rotatably connected in the rotating cavity, the nozzle extends out of the opening of the rotating cavity, and the rotating body is provided with a flow channel communicated with the inlet of the nozzle and the rotating cavity.

7. The tool holder cooling structure for a machine tool according to claim 6, wherein the head of the nozzle is located on a side of the cutting edge of the tool close to the tool rest with a space provided therebetween.

8. The tool holder cooling structure for a machine tool according to claim 1, wherein an end of the tool holder block to which the adapter is attached protrudes outside the tool holder.

9. The tool rest cooling structure for the machine tool according to claim 1 or 2, wherein the nozzle and the cutter pressing block and the connection joint and the cutter pressing block are both connected in a clamping manner, fixture blocks are arranged on the nozzle and the cutter pressing block, and the inner walls of the openings at the two ends of the guide hole on the cutter pressing block are respectively provided with a clamping hole matched with the corresponding fixture block.