CN116197432A

CN116197432A - Deep hole machining device and application method thereof

Info

Publication number: CN116197432A
Application number: CN202310129048.1A
Authority: CN
Inventors: 王根群; 申嘉园; 邓启; 超印星; 虞超; 陈诚; 陈远模
Original assignee: Zhangjiagang Guangda Special Material Co ltd
Current assignee: Zhangjiagang Guangda Special Material Co ltd
Priority date: 2023-02-17
Filing date: 2023-02-17
Publication date: 2023-06-02

Abstract

The application discloses deep hole processingequipment relates to machining equipment technical field for solve among the prior art turning lathe can't carry out the problem of deep hole processing function to the work piece. The device comprises: a mount, comprising: the base is provided with a plurality of first mounting holes; tailstock sets up on the base, is provided with through-hole one, and the one end of through-hole is provided with blocks the groove, including a plurality of stops, fixture sets up in through-hole one for the centre gripping cutter arbor includes: the positioning sleeve is provided with contact parts, the positioning sleeve is positioned in the blocking operation, and the number of the contact parts corresponds to that of the blocking parts; one end of the elastic sleeve is fixedly connected with the positioning sleeve through a pin, and the other end of the elastic sleeve is provided with a first inclined plane; the expansion sleeve is positioned in the first through hole, one end of the expansion sleeve is provided with a second inclined plane, and the second inclined plane is attached to the first inclined plane; an end cap; the end part of the cutter bar is provided with a cutter head; and a cutting fluid recovery device. And (5) finishing the two machining procedures of one clamping of the part by matching with a heavy numerical control lathe.

Description

Deep hole machining device and application method thereof

Technical Field

The invention relates to the technical field of mechanical processing equipment, in particular to a deep hole processing device and a use method thereof.

Background

Deep hole machining is an important branch of hole machining technology and is widely applied in the field of machining. The deep hole processing is usually performed by a drilling technology, and is different from the processing methods such as turning, milling and the like, in that a cutter enters a workpiece and is cut under a closed condition to form a deep hole with the diameter of a shaft being five times to ten times, and the requirement on stable processing is high, so that the deep hole processing is more limited.

In the existing machining, for deep holes with lengths of 2500 mm and diameters of 100 mm to 240 mm, workpieces are usually used for autorotation, and shaft workpieces are subjected to deep hole machining in a cutter feeding mode; however, the existing heavy numerical control lathe for shaft cutting processing also has a lathe adopting workpiece rotation and cutter feeding, the rotation diameter on a tool rest can reach at least 1000 mm, and the feeding stroke can also meet the requirement of deep hole processing of the model.

Therefore, a new deep hole processing device is needed, and a heavy numerical control lathe can finish the two processing procedures of clamping and assembling the shaft parts with deep hole processing requirements once.

Disclosure of Invention

The application aims to provide a novel deep hole machining device and a using method thereof, which are used for solving the problem that in the prior art, a part with deep hole machining requirements cannot be clamped once and machined twice.

In order to achieve the above purpose, the embodiment of the present application adopts the following technical scheme:

the embodiment of the invention provides a deep hole processing device, which comprises:

a support, the support comprising: the base is provided with a plurality of first mounting holes; the tailstock, the tailstock setting is provided with the through-hole one on the base on the tailstock, and the one end of through-hole is provided with blocks the groove, blocks the groove and includes a plurality of stops, fixture setting in the through-hole one for the centre gripping cutter arbor includes: the positioning sleeve is provided with contact parts, the positioning sleeve is positioned in the blocking operation, and the number of the contact parts corresponds to that of the blocking parts; one end of the elastic sleeve is fixedly connected with the positioning sleeve through a pin, and the other end of the elastic sleeve is provided with a first inclined plane; the expansion sleeve is positioned in the first through hole, one end of the expansion sleeve is provided with a second inclined plane, and the second inclined plane is attached to the first inclined plane; the end cover is fixedly arranged on one side of the tailstock through a bolt and is used for axially fixing the positioning sleeve; one end of the cutter bar is arranged on the clamping mechanism, the cutter bar passes through the through hole of the expansion sleeve, the middle part of the cutter bar is provided with an axial fixing part, and the end part of the cutter bar is provided with a cutter head; the cutting fluid recovery device is arranged at the bottom of the processing device;

the locating sleeve is placed in the blocking groove, the axial moving range of the locating sleeve is limited through the contact part matched with the blocking part, the end cover matched with the blocking groove is axially fixed, the elastic sleeve and the elastic sleeve are matched to enable the inclined plane I and the inclined plane II to expand mutually, the cutter bar is fixedly arranged on the clamping mechanism through the expansion and the matched locating sleeve fixedly arranged with the elastic sleeve, the axial fixing part is located on the right side of the tailstock and faces the position of a workpiece at the moment, and the axial fixing part is matched with the locating sleeve to limit the displacement of the cutter bar in the axial direction.

Further, in the embodiment of the invention, a first cavity is formed in the middle of the cutter bar, a second mounting hole is formed in the end face of one end of the cutter bar, and the second mounting hole is connected with the first cavity.

Further, in the embodiment of the invention, the water supply system further comprises a water inlet connector, wherein the water inlet connector is arranged at the other end of the water pipe, and the water pipe is arranged on the second mounting hole and used for communicating the water pipe with the hollow part of the cutter bar.

Further, in an embodiment of the present invention, the water inlet connector further includes: and the rotary core valve is used for controlling the water supply.

Further, in an embodiment of the present invention, the fixing device includes: the locating pin is arranged on a diagonal mounting hole of the base; the bolts are arranged on the mounting holes and used for fixing the support on the sliding frame.

Further, in the embodiment of the invention, the other end of the cutter bar is provided with the first groove, one end of the cutter head is also provided with the second groove, and the second groove is attached to the first groove in shape.

Further, in an embodiment of the present invention, the processing apparatus further includes: the appearance of connecting block is laminated mutually with the appearance of recess one and recess two for the relative position of fixed cutter arbor and tool bit.

Further, in an embodiment of the present invention, a cutter head includes: the blade of the blade body comprises two blades, the middle part of the blade body is provided with a through hole, the lower end of the blade is provided with a mounting groove, the mounting groove is provided with a through hole, the appearance of the mounting groove is triangular, and the mounting grooves of different blades are different in position relative to the center; the center drill is fixedly arranged on the through hole of the cutter body, so that blades of the cutter body are uniformly distributed around the center drill, and the center drill is also provided with the through hole communicated with the cavity of the cutter bar; the blade is attached to the shape of the mounting groove, and a thread groove is formed in the blade; the bolt is used for arranging the cutting edge on the mounting groove of the cutter body through the through hole of the cutter body.

The embodiment of the invention also provides a using method of the deep hole processing device, which comprises the following steps:

preparing, preparing a processing device, the processing device comprising: the deep hole machining assembly comprises a support, a cutter bar and a cutter head; the cutting fluid circulation system comprises a cutting fluid recovery tank, a water pump and a water pipe; preparing a processing lathe, wherein the processing lathe comprises a sliding frame and a chuck;

correcting, namely cleaning the end face of the lathe sliding frame; marking the positioning hole, and determining that the cutter bar is positioned at the center of the lathe chuck when the positioning hole is installed with the hole corresponding to the support through the pin; marking the mounting hole;

the mounting is carried out, the positioning holes and the mounting holes are processed, and the support is fixedly mounted on the lathe slide frame through bolts;

and (3) machining, namely when the lathe is used for fixing and rotating a workpiece to perform turning, performing deep machining on the workpiece by utilizing the rotation of the workpiece through the movement of the tool bit and the lathe slide frame.

The embodiment of the invention also provides a device for reforming and turning the deep hole machining integrated device of the heavy numerical control lathe, which comprises the deep hole machining device.

The cutter bar is fixed on the installation clamping mechanism through the locating pin and the bolt, the cutter bar is cooled and the cutting scraps are cleaned through the cutter bar provided with the cavity and the cutter head matched with the water supply system, the recovery of the cutting scraps can be completed through the cutting fluid recovery device, finally, the cutter bar is stressed uniformly through the comprehensive contact of the inclined plane matched elastic sleeve of the expanding sleeve, the requirement of the clamping force of large cutting feeding is guaranteed through the interference fit of the locating sleeve and the blocking part, the stability of the cutter bar during machining is further improved, the deep hole machining of a workpiece can be completed stably on the cutting lathe, and the problem that in the prior art, two machining procedures of one clamping cannot be performed on a part with deep hole machining requirements is solved.

Drawings

Fig. 1 is a schematic diagram of a turning lathe integrated with a deep hole machining device.

Fig. 2 is an isometric view of a deep hole machining apparatus of the present invention.

Fig. 3 is a sectional view of a connecting portion of a positioning sleeve of a deep hole processing apparatus according to the present invention.

Fig. 4 is a cut-away isometric view of a holding device of a deep hole machining apparatus of the present invention.

Fig. 5 is an axial view of a tool bit of a deep hole machining apparatus of the present invention.

1. Lathe 2, cutting fluid recovery device 3, sliding frame

4. High-pressure water pump 5, high-pressure water pipe 6, cutter bar

7. Support 8, tool bit 9, work piece

10. Center support 11 chuck

501. Water inlet joint 601, axial fixing part 701, end cover

702. Pin one 703, positioning sleeve 704, elastic sleeve

705. Expansion sleeve 706, pin two 707, barrier

801. Fixed block 802, cutter 803, center drill

804. Blade 805 mounting portion 806 blade mounting block

Detailed Description

In order to make the objects, technical solutions, and advantages of the present invention more apparent, the embodiments of the present invention will be further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are some, but not all, embodiments of the present invention, are intended to be illustrative only and not limiting of the embodiments of the present invention, and that all other embodiments obtained by persons of ordinary skill in the art without making any inventive effort are within the scope of the present invention.

In the description of the present invention, it should be noted that the terms "center," "middle," "upper," "lower," "left," "right," "inner," "outer," "top," "bottom," "side," "vertical," "horizontal," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "a," an, "" the first, "" the second, "" the third, "" the fourth, "" the fifth, "and the sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

For purposes of brevity and description, the principles of the embodiments are described primarily by reference to examples. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments. It will be apparent, however, to one of ordinary skill in the art that the embodiments may be practiced without limitation to these specific details. In some instances, well-known methods and structures have not been described in detail so as not to unnecessarily obscure the embodiments. In addition, all embodiments may be used in combination with each other.

Referring to fig. 1 and 4, in this embodiment, there is provided a deep hole machining apparatus, and fig. 1 is a schematic diagram of a turning lathe 1 integrated with the deep hole machining apparatus according to an embodiment of the present invention, as shown in fig. 1, the apparatus includes:

support 7, support 7 includes: the base is provided with a plurality of first mounting holes; the tailstock, the tailstock setting is provided with through-hole one on the base on the tailstock, and the one end of through-hole is provided with blocks the groove, blocks the groove and includes a plurality of stops 707, fixture setting in through-hole one for centre gripping cutter arbor 6 includes: the positioning sleeve 703, the positioning sleeve 703 is provided with contact parts, the positioning sleeve 703 is positioned in the blocking operation, and the number of the contact parts corresponds to that of the blocking parts 707; the elastic sleeve 704, one end of the elastic sleeve 704 is fixedly connected with the positioning sleeve 703 through a pin, and the other end of the elastic sleeve 704 is provided with a first inclined plane; the expansion sleeve 705, the expansion sleeve 705 is positioned in the first through hole, one end of the expansion sleeve 705 is provided with a second inclined plane, and the second inclined plane is attached to the first inclined plane; the end cover 701 is fixedly arranged on one side of the tailstock through bolts and is used for axially fixing the positioning sleeve 703; one end of the cutter bar 6 is arranged on the clamping mechanism, the cutter bar 6 passes through a through hole of the expansion sleeve 705, an axial fixing part 601 is arranged in the middle of the cutter bar 6, and a cutter head 8 is arranged at the end part of the cutter bar 6; the cutting fluid recovery device 2 is arranged at the bottom of the cutter head 8;

the locating sleeve 703 is placed in the blocking groove, at the moment, the axial moving range of the locating sleeve 703 is limited by the contact part matched with the blocking part 707, the end cover 701 is matched with the blocking groove to be axially fixed, the elastic sleeve 704 is matched with the elastic sleeve 704 to enable the inclined plane I and the inclined plane II to expand mutually, the cutter bar 6 is fixedly arranged on the clamping mechanism through expansion and matching with the locating sleeve 703 fixedly arranged on the elastic sleeve 704, the axial fixing part 601 is located on the right side of the tailstock, namely, the position facing the workpiece, and the axial fixing part 601 is matched with the locating sleeve 703 to limit the displacement of the cutter bar 6 in the axial direction.

The deep hole machining assembly comprising the support 7, the cutter bar 6 and the cutter head 8 and the cutting fluid circulation system comprising the cutting fluid recovery tank 2, the high-pressure water pump 4 and the high-pressure water pipe 5 are fixed on the sliding frame 3 which slides relative to the vehicle body on the basis of the turning lathe 1, so that the deep hole machining of the workpiece 9 can be finished by rotating the chuck 11 of the turning lathe 1 and feeding the sliding frame 3, the deep hole machining function is increased on the basis of not influencing the turning function, the machining range of the turning lathe is widened, and the machining procedures can be finished by clamping twice once when parts with machining requirements on deep hole models as described in the background art are carried out.

Methods of adding deep hole processing functionality are varied and alternative implementations are provided in this embodiment.

Embodiment one:

as shown in fig. 1 and 4, in the present embodiment, there is provided a deep hole processing apparatus including:

support 7, support 7 includes: the lower end of the base is provided with a mounting groove, the appearance of the mounting groove is attached to the appearance of the top surface of the sliding frame 3 of the lathe 1, and the base is provided with a plurality of first mounting holes; be provided with fixture on the tailstock, fixture still includes: the first through hole is arranged on the tail frame, one side of the first through hole is provided with a blocking groove, and the blocking groove comprises a plurality of blocking parts 707; the end cover 701 is fixedly arranged on one side of the tailstock through a bolt, a through hole II is formed in the middle of the end cover 701, the through hole II and the through hole I are concentrically arranged, and the diameter of the through hole II is smaller than that of the through hole I; the positioning sleeve 703 is provided with contact parts which are positioned in the blocking operation and correspond to the blocking parts 707 in number; one end of the elastic sleeve is fixedly connected with the positioning sleeve 703 through a pin, and the other end of the elastic sleeve is provided with a first inclined plane; the expansion sleeve 705 is positioned in the first through hole, one end of the expansion sleeve 705 is provided with a second inclined plane, and the second inclined plane is attached to the first inclined plane; processing device, processing device includes: the cutter bar 6, one end of the cutter bar 6 is arranged on the clamping mechanism, the diameter of the cutter bar 6 is equal to the diameter of the through hole of the expansion sleeve 705, and the middle part of the cutter bar 6 is provided with an axial fixing part 601; the tool bit 8, one end of the tool bit 8 is arranged on the other end of the tool bar 6; cutting fluid recovery device 2, cutting fluid recovery device 2 is set up in the bottom of processingequipment, and cutting fluid recovery device 2 can use the recovery tank of turning lathe to replace and accomplish the cutting fluid recovery.

Specifically, a water supply device is also provided, and the water supply device comprises: the water pump is used for providing water pressure; one end of the water pipe is connected with the water pump, and the other end of the water pipe is arranged on the third mounting hole and is used for solving the problem of high temperature caused by deep hole processing in a sealed environment;

specifically, as shown in fig. 3, the clamping mechanism includes: the end cover 701 is fixedly arranged on one side of the clamping mechanism of the tailstock, and is provided with a through hole for axially positioning the cutter bar 6 and buffering and absorbing vibration; pin one 702, pin one 702 is used to fix the end cap 701 to the tailstock by a threaded connection; the middle part of the expansion sleeve 705 is provided with a through hole which is matched with the diameter of the cutter bar 6, and the expansion sleeve 705 is provided with an inclined plane; the elastic sleeve 704 is provided with an inclined plane, and is attached to the inclined plane of the expanding sleeve 705, so that the elastic sleeve and the expanding sleeve 705 tightly support the cutter bar 6 under the drive of the cutter bar 6 to complete the firm clamping of the cutter bar 6; the cutter bar 6 is also provided with an axial fixing part 601 which is positioned at the other side of the tailstock and is used for giving the received axial force to the expansion sleeve 705 so that the expansion connection between the expansion sleeve 705 and the elastic sleeve is more tightly fastened, so that the axial force and the radial force generated by the chuck 11 driving the workpiece 9 to the cutter head 8 during deep hole machining are uniformly born, and the machining precision of deep machining is ensured; a blocking groove provided at one side of the tailstock, provided with a blocking portion 707 including three in number; the positioning disk, positioning disk and elastic sleeve fixed connection, the positioning disk is provided with conflict portion, the quantity and the blocking portion 707 of conflict portion are corresponding, the positioning disk sets up in blocking the inslot for prevent that the elastic sleeve from skidding, increase fixture's stability, reduce the influence of the clamping force that frame 3 fed to machining precision, with above-mentioned relevant parts cooperation make deep hole processing support 7 satisfy the requirement to the clamping force and the precision of deep hole processing, make the deep hole processingequipment who sets up at turning numerical control lathe can further overcome the influence of self shake to machining precision.

In practical application, there are many requirements for processing deep holes of the type, for example, we finish the processing of stepped holes of shaft parts with diameters of 528 mm and lengths of 823 mm, after finishing cutting, firstly, the deep holes with diameters of 230 mm are processed, then boring is performed, and finally, the small diameter with diameters of 247 mm and the stepped holes sleeved with the large diameter of 297 mm are drilled.

The elastic sleeve 704 matched with the inclined surface of the expansion sleeve 705 is comprehensively contacted by the force of the machining carried by the expansion sleeve 705, so that the even stress of the cutter bar 6 is ensured, and the influence of the cutter bar 6 on the machining precision when the workpiece 9 is machined by matching with the chuck 11 is reduced; the interference fit of the positioning sleeve 703 and the blocking part 707 ensures the requirement of the holding force of the large cutting feed, further increases the stability of the cutter bar 6 during processing, ensures that the cutter bar 6 can finish processing the deep hole on the cutting lathe 1, and ensures the stability and the precision.

Embodiment two:

as shown in fig. 1 and 2, in the present embodiment, the apparatus for satisfying the above requirements includes:

support 7, support 7 includes: the lower end of the base is provided with a mounting groove, the appearance of the mounting groove is attached to the appearance of the top surface of the sliding frame 3 of the lathe 1, and the base is provided with a plurality of first mounting holes; a water supply device, the water supply device comprising: the water pump is used for providing water pressure; one end of the water pipe is connected with the water pump, and the other end of the water pipe is arranged on the second mounting hole; cutting fluid recovery device 2, cutting fluid recovery device 2 sets up in the bottom of processingequipment.

Specifically, a first cavity is formed in the middle of the cutter bar 6, a second mounting hole is formed in the end face of one end of the cutter bar 6, and the second mounting hole is connected with the first cavity;

specifically, the water supply system further comprises a water inlet connector 501, wherein the water inlet connector 501 is arranged at the other end of the water pipe, the water pipe is arranged on the second mounting hole and is used for communicating the water pipe with the hollow part of the cutter bar 6;

specifically, the water inlet joint 501 further includes: and the rotary core valve is used for controlling the water supply.

Specifically, the fixing device includes: the locating pin is arranged on a diagonal mounting hole of the base; the bolts are arranged on the mounting holes, the bolt threaded connection support is fixedly arranged on the end face of the lathe slide frame 3, and when the support 7 is arranged on the lathe slide frame 3, the tool bit 8 is located at the center line of the workpiece 9 through the locating pin to ensure machining precision.

Specifically, the cutter head 8 further includes: the cutter body 802, the appearance of the cutter body 802 is in a fan blade shape, the blades of the cutter body 802 comprise two blades, the middle part of the cutter body 802 is provided with a through hole, the lower end of each blade is provided with a mounting groove, the mounting grooves are provided with through holes, the appearance of each mounting groove is triangular, the mounting grooves of different blades are different relative to the center, and are used for staggering the positions of the cutting edges 804, reducing the influence of radial force on the vibration of the cutter bar 6 and increasing the precision of deep hole processing; the cutter body 802 is also provided with a plurality of through holes which are communicated with the cavity of the cutter bar 6, so that the liquid input by the high-pressure water pump 4 can cool the finished cutter head 8 and bring out cutting scraps, and the problem of high-temperature cutting scraps accumulation caused by deep hole processing in a sealed environment is solved; the central drill 803 is fixedly arranged on the cutter body 802, so that blades of the cutter body 802 are uniformly distributed around the central drill 803, and through holes communicated with the cavity of the cutter bar 6 are also formed in the central drill 803; the plurality of cutting edges 804, the appearance of cutting edges 804 and mounting groove is laminated mutually, and the cutting edges 804 pass through the bolt fastening setting on the mounting groove, can save the influence of scrapping that should wear and tear and cause through the separation setting. The replaceable design of the blade 804 reduces the production cost, and the dislocation arrangement of different tool bits 8, and the bearing force during processing is shared to prolong the practical life and ensure the flatness of the processing surface; and the double-blade design further reduces the influence of vibration on the machining precision during machining, and increases the surface precision and quality of machining.

Specifically, as shown in fig. 5, the fixed connection between the tool bit 8 and the tool bar 6 includes a fixing block 801, one end of the tool bit 8 and the other end of the tool bar 6 are provided with symmetrical fixing grooves, the symmetrical fixing grooves are attached to the shape of the fixing block 801, and threaded holes are respectively formed in the symmetrical fixing grooves, corresponding to the through holes of the fixing block 801, so that the fixing block 801 can be fixed through bolts, and the fixed connection between the tool bit 8 and the tool bar 6 is reinforced, so that the tool bit 8 can be replaced according to the aperture requirement required to be processed.

Specifically, the one end of blade is provided with cutting edge installation piece 806, and cutting edge 804 installation piece is used for holding the mounting groove, and cutting edge installation piece 806 and cutter body 8 separation set up, and the other end of blade still is provided with installation department 805, and installation department 805 includes through-hole III and the mounting groove that is used for cutting edge installation piece 806, and the installation department passes through the bolt with cutting edge installation piece 806 fixed the setting on the cutter head, further increases the portability that the blade was changed or was maintained, reduction in production cost.

Specifically, a second cavity is formed in the middle of the tool bit 8, and the second cavity is communicated with the first cavity.

Specifically, the other end of the cutter bar 6 is provided with a first groove, one end of the cutter head 8 is also provided with a second groove, and the second groove is attached to the first groove in shape.

The rest of the apparatus and its effects of this embodiment are the same as those of the first embodiment.

The positions of the base and the sliding frame 3 are ensured by the positioning pin, the support is fixed on the sliding frame 3 by the first bolts through the first mounting holes, then the cutter bar 6 is fixed on the mounting clamping mechanism, and the cutter head 8 arranged at the end part of the cutter bar 6 is ensured to be positioned at the center of the machined shaft part; then, the hollow tool bit 8 and the hollow cavity are matched with a water supply system, so that the temperature of the tool bit 8 is reduced and the cutting scraps are cleaned during processing; finally, the cutting fluid recovery device 2 is used for recovering the cutting scraps. The integrated device for turning and deep hole machining by the heavy numerical control lathe is manufactured, so that the deep hole machining function of the lathe for turning the workpiece 9 is increased on the basis that the turning function of the lathe for turning is not affected.

Embodiment III:

in this embodiment, a method for using the deep hole processing device is also provided, including the following steps:

preparing, preparing a processing device, the processing device comprising: the deep hole machining assembly comprises a support, a cutter bar and a cutter head; the cutting fluid circulation system comprises a cutting fluid recovery tank, a water pump and a water pipe; preparing a machining lathe, wherein the machining lathe comprises a sliding frame and a chuck 11;

correcting, namely cleaning the end face of the lathe sliding frame; marking the positioning hole, and determining that the cutter bar is positioned at the center of the lathe chuck 11 when the positioning hole is installed with the hole corresponding to the support through the pin;

installing, namely processing the positioning holes and the mounting holes in advance, and fixedly installing the support on the lathe slide frame through bolts;

machining, in which when a lathe fixes and rotates a work 9 to perform turning including deep-machining of the work 9 by movement of a tool bit and a lathe carriage by rotation of the work 9; the deep hole processing can be performed at the same time of turning the workpiece.

The tool bit 8 arranged at the end part of the tool bar 6 is ensured to be positioned at the center of the machined shaft part; then, the hollow tool bit 8 and the hollow cavity are matched with a water supply system, so that the temperature of the tool bit 8 is reduced and the cutting scraps are cleaned during processing; finally, the cutting fluid recovery device 2 is used for recovering the cutting scraps. The integrated device for reforming the turning deep hole of the heavy numerical control lathe is manufactured, so that the deep hole machining function of the turning lathe 1 on a workpiece 9 is added on the basis of not influencing the turning function, and the heavy numerical control lathe finishes the clamping of shaft parts with deep hole machining requirements once to finish two machining procedures.

While the foregoing has been described in terms of illustrative embodiments thereof, so that those skilled in the art may appreciate the present application, it is not intended to be limited to the precise embodiments so that others skilled in the art may readily utilize the present application to its various modifications and variations which are within the spirit and scope of the present application as defined and determined by the appended claims.

Claims

1. A deep hole processing apparatus, comprising:

a mount, the mount comprising:

the base is provided with a plurality of first mounting holes;

the tail frame is arranged on the base, a first through hole is arranged on the tail frame, a blocking groove is arranged at one end of the through hole, the blocking groove comprises a plurality of blocking parts,

the fixture, the fixture sets up in the through-hole is one for the centre gripping cutter arbor includes:

the positioning sleeve is provided with contact parts, the positioning sleeve is positioned in the blocking operation, and the contact parts correspond to the blocking parts in number;

one end of the elastic sleeve is fixedly connected with the positioning sleeve through a pin, and the other end of the elastic sleeve is provided with a first inclined plane;

the expansion sleeve is positioned in the first through hole, one end of the expansion sleeve is provided with a second inclined plane, and the second inclined plane is attached to the first inclined plane;

the end cover is fixedly arranged on one side of the tailstock through a bolt and is used for axially fixing the positioning sleeve;

one end of the cutter bar is arranged on the clamping mechanism, the cutter bar passes through the through hole of the expansion sleeve, the middle part of the cutter bar is provided with an axial fixing part, and the end part of the cutter bar is provided with a cutter head;

the cutting fluid recovery device is arranged at the bottom of the processing device;

the locating sleeve is placed in the blocking groove, the axial movement range of the locating sleeve is limited through the contact part matched with the blocking part, the end cover matched with the blocking groove is axially fixed, the elastic sleeve is matched with the elastic sleeve to enable the inclined plane I and the inclined plane II to expand mutually, the cutter bar is fixedly arranged on the clamping mechanism through expansion and matching with the locating sleeve fixedly arranged on the elastic sleeve, the axial fixing part is located on the right side of the tailstock, namely, towards the position of a workpiece, and the axial fixing part is matched with the locating sleeve to limit the displacement of the cutter bar in the axial direction.

2. The deep hole machining device according to claim 1, wherein a first cavity is formed in the middle of the cutter bar, a second mounting hole is formed in an end face of one end of the cutter bar, and the second mounting hole is used for communicating the first cavity with a water supply system through a water pipe.

3. The deep hole machining apparatus of claim 2, wherein the water supply system further comprises a water inlet connector provided at the other end of the water pipe, the water pipe being mounted to the second mounting hole for communicating the water pipe with the hollow portion of the tool bar.

4. A deep hole machining apparatus according to claim 3, wherein the water inlet joint further comprises:

and the rotary core valve is used for controlling the water supply.

5. The deep hole machining apparatus of claim 1, wherein the mounting hole is for fixedly disposing the support on a lathe carriage by a fixing device, the fixing device comprising:

the locating pin is arranged on a diagonal mounting hole of the base;

the bolts are arranged on the mounting holes and used for fixing the support on the lathe slide frame.

6. The deep hole machining device according to claim 1, wherein a first groove is formed in the other end of the cutter bar, a second groove is formed in one end of the cutter head, and the second groove is attached to the first groove in shape.

7. The deep hole processing apparatus of claim 6, wherein said processing apparatus further comprises:

the appearance of connecting block with recess one with the appearance of recess two is laminated mutually for fixed the relative position of cutter arbor and tool bit.

8. The deep hole machining apparatus of claim 1, wherein the tool bit includes:

the blade comprises two blades, wherein through holes are formed in the middle of the blade, mounting grooves are formed in the lower ends of the blades, through holes are formed in the mounting grooves, the mounting grooves are triangular in shape, and the positions of the mounting grooves of different blades relative to the center are different;

the center drill is fixedly arranged on the through hole of the cutter body, so that blades of the cutter body are uniformly distributed around the center drill, and the center drill is also provided with through holes communicated with the cavity of the cutter bar;

the cutting edge is attached to the shape of the mounting groove, and a thread groove is formed in the cutting edge;

and the bolt is used for arranging the cutting edge on the mounting groove of the cutter body through the through hole of the cutter body.

9. The application method of the deep hole processing device comprises the following steps:

preparing, preparing a processing apparatus including: the deep hole machining assembly comprises a support, a cutter bar and a cutter head; the cutting fluid circulation system comprises a cutting fluid recovery tank, a water pump and a water pipe; preparing a processing lathe, wherein the processing lathe comprises a sliding frame and a chuck;

correcting, namely cleaning the end face of the processing lathe sliding frame; marking a positioning hole and determining that the cutter bar is positioned at the center of the lathe chuck when the positioning hole is installed with a hole corresponding to the support through a pin; marking the mounting hole;

the mounting is carried out on the positioning holes and the mounting holes, and the support is fixedly mounted on the lathe slide frame through bolts;

and machining, namely, when the lathe is used for fixing and rotating a workpiece to perform turning, performing deep machining on the workpiece by utilizing the rotation of the workpiece through the movement of the tool bit and the lathe slide frame.

10. A heavy numerical control lathe transformation turning deep hole machining integrated device, comprising the deep hole machining device of any one of claims 1-8.