CN110405527B

CN110405527B - Special machine tool for machining cylinder sleeve

Info

Publication number: CN110405527B
Application number: CN201910520527.XA
Authority: CN
Inventors: 张寿清; 阮昊
Original assignee: Fuzhou Chuangjie Machinery Co ltd
Current assignee: Fuzhou Chuangjie Machinery Co ltd
Priority date: 2019-06-17
Filing date: 2019-06-17
Publication date: 2021-12-17
Anticipated expiration: 2039-06-17
Also published as: CN110405527A

Abstract

The invention discloses a special machine tool for machining a cylinder sleeve, which belongs to the technical field of cylinder sleeve machining and comprises a base, wherein a left servo working sliding table is fixedly installed on the left side of the top of the base, a left base plate is fixedly connected to the top of the left servo working sliding table, a left servo main shaft cutter expanding assembly is fixedly installed on the top of the left base plate, a left tool rest assembly is installed on the right side of the left servo main shaft cutter expanding assembly, a clamping and limiting assembly is fixedly installed in the center of the top of the base, a right servo working sliding table is fixedly installed on the right side of the top of the base, and a right base plate is fixedly connected to the top of the right servo working sliding table. By adjusting the thickness and the size of the base plate, the left side and the right side of the error accumulation of the base and the servo sliding table in the height direction are punched to be more equal in height.

Description

Special machine tool for machining cylinder sleeve

Technical Field

The invention relates to the technical field of cylinder sleeve processing, in particular to a special machine tool for processing a cylinder sleeve.

Background

The cylinder sleeve is used as a key part of an engine, the machining requirement is high, and the demand is greatly increased along with the rapid development of the automobile industry. For the cylinder sleeve, the machining processes of roughly boring an inner hole, roughly turning an outer circle, semi-finely boring the inner hole, semi-finely turning the outer circle, finely boring the inner hole, finely turning the outer circle, honing and the like are carried out from a blank to a finished product. The existing cylinder sleeve processing machine tool cannot process the bidirectional inner hole, excircle and end face of the cylinder sleeve blank, and has low processing efficiency.

For example, chinese patent application No. cn201520176206.x, the specific contents are: a cylinder sleeve composite processing machine tool comprises a machine tool body, wherein a motor device, a saddle driving device, a tailstock driving device and three groups of guide rails are arranged on the machine tool body, an upper saddle is arranged on the upper group of guide rails, and an outer circular lathe tool group is arranged on the upper saddle; an undercutting device is arranged on the lower group of guide rails, and an end face turning tool group is arranged on the undercutting device; a headstock and a double-station composite programming tailstock are mounted on the middle main guide rail, a spindle of the headstock is driven to rotate by a motor device, a boring cutter and tire expanding composite device is mounted at the front end of the spindle of the headstock, and a material pushing device is mounted at the top of the headstock; the double-station composite programming tailstock is a tailstock device which is provided with a telescopic hydraulic chuck mechanism and a hydraulic center mechanism at the same time. The cylinder sleeve composite processing machine tool of the machine tool can greatly improve the processing efficiency and precision of the cylinder sleeve, is matched with an automatic loading and unloading device to form a production unit, can realize automatic production, greatly reduces the production cost, improves the productivity of enterprises, and is particularly suitable for mass production of the cylinder sleeve.

Although the processing efficiency and precision of the cylinder sleeve can be greatly improved, the automatic feeding and discharging device is matched to form a production unit, automatic production can be realized, the production cost is greatly reduced, the productivity of an enterprise is improved, and the cylinder sleeve composite processing machine tool is particularly suitable for mass production of the cylinder sleeve, but the cylinder sleeve composite processing machine tool can only process a cylinder sleeve workpiece in a one-way mode, an excircle and an end face and cannot process in a two-way mode, and therefore the processing efficiency of the cylinder sleeve cannot be effectively improved.

Based on the technical scheme, the invention designs the special machine tool for machining the cylinder sleeve to solve the problems.

Disclosure of Invention

The invention aims to provide a special machine tool for machining a cylinder sleeve, which aims to solve the problems that the cylinder sleeve composite machining machine tool provided in the background technology can only carry out unidirectional machining on an inner hole, an outer circle and an end face of a cylinder sleeve workpiece, can not realize bidirectional machining, and can not effectively improve the machining efficiency of the cylinder sleeve.

In order to achieve the purpose, the invention provides the following technical scheme: a special machine tool for machining a cylinder sleeve comprises a base, wherein a left servo working sliding table is fixedly mounted on the left side of the top of the base, a left base plate is fixedly connected to the top of the left servo working sliding table, a left servo main shaft cutter expanding assembly is fixedly mounted on the top of the left base plate, a left tool rest assembly is mounted on the right side of the left servo main shaft cutter expanding assembly, a clamping limiting assembly is fixedly mounted in the center of the top of the base, a right servo working sliding table is fixedly mounted on the right side of the top of the base, a right base plate is fixedly connected to the top of the right servo working sliding table, guide keys are mounted between the right base plate and the right servo working sliding table and between the left base plate and the left servo working sliding table, a right servo main shaft cutter expanding assembly is fixedly connected to the top of the right base plate, a right tool rest assembly is mounted on the left side of the right servo main shaft cutter expanding assembly, and a protective cover is fixedly connected to the peripheral side wall of the base, servo work slip table in a left side, left servo main shaft exhibition sword subassembly, left knife rest subassembly, press from both sides tight spacing subassembly, servo work slip table in the right side, servo main shaft exhibition sword subassembly in the right side and right knife rest subassembly all are located the guard shield, the motor is installed to the inner chamber rear side wall bilateral symmetry of guard shield, and is two sets of the motor is provided with belt drive assembly respectively with left servo main shaft exhibition sword subassembly and right servo main shaft exhibition sword subassembly between, the outside of guard shield is provided with the numerical control system face case.

Preferably, the left tool rest assembly comprises an inner hole tool apron and a left excircle end face tool apron, wherein an inner hole tool bar is fixedly connected to the right side of the inner hole tool apron, an inner hole tool is fixedly connected to the upper end and the lower end of the right side of the inner hole tool bar, and a left excircle end face tool is fixedly connected to the left excircle end face tool apron.

Preferably, press from both sides tight spacing subassembly and include the mount pad, the top rigid coupling of mount pad has the grudging post, the right side fixed mounting of grudging post has hydraulic pressure two-jaw chuck, hydraulic pressure two-jaw chuck's last claw right side rigid coupling has last briquetting seat, there is the briquetting right side below of going up the briquetting seat through the bolt connection, hydraulic pressure two-jaw chuck's lower claw right side rigid coupling has lower briquetting seat, the right side rigid coupling of lower briquetting seat has lower briquetting, the centre gripping has the work piece down between briquetting and the last briquetting, the right side rigid coupling of mount pad have with the spacing subassembly of lower briquetting seat butt.

Preferably, the right tool rest assembly comprises a right tool rest, and the upper side and the lower side of the right tool rest are fixedly connected with a right outer circular knife and an end face knife respectively.

Preferably, the right knife rest includes the right knife rest main part, the upper left side rigid coupling of right knife rest main part has last blade holder, the left below rigid coupling of right knife rest main part has lower blade holder, go up blade holder and lower blade holder front surface and all seted up threaded hole.

Compared with the prior art, the invention has the beneficial effects that: the invention has simple structure and convenient operation, is suitable for high-efficiency processing of the cylinder sleeve and is arranged on the left and right servo working sliding tables. By adjusting the thickness and the size of the base plate, the left side and the right side of the error accumulation of the base and the servo sliding table in the height direction are punched to be more equal in height. Through set up closed guard shield in the lathe outside, can play the guard action when numerical control system control machine tool processing, avoid the piece departure that produces in the course of working, cause the injury to the staff. Through left tool rest subassembly and right tool rest subassembly, can carry out two-way processing to the work piece of middle part centre gripping, be favorable to improving the efficiency of work piece processing.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

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

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the left blade carrier assembly of the present invention;

FIG. 3 is a schematic view of a clamping and limiting assembly according to the present invention;

FIG. 4 is a schematic view of the construction of the right blade carrier assembly of the present invention;

fig. 5 is a schematic view of the structure of the right tool rest of the invention.

In the drawings, the reference numerals denote the following components:

1-base, 2-left servo working slide, 3-left seat plate, 4-left servo spindle spreader component, 5-left tool rest component, 51-inner hole tool apron, 52-left outer circular end face tool apron, 53-inner hole tool bar, 54-inner hole tool, 55-left outer circular end face tool, 6-clamping limit component, 61-mounting seat, 62-vertical stand, 63-hydraulic two-jaw chuck, 64-upper press block seat, 65-upper press block, 66-lower press block seat, 67-lower press block, 68-workpiece, 69-limit component, 7-right servo working slide, 8-right seat plate, 9-guide key, 10-right servo spindle spreader component, 11-right tool rest component, 111-right tool rest, 1111-right tool rest main body, 1112-upper tool rest, 1113-lower tool apron, 1114-threaded hole, 112-right outer circular tool, 113-end face tool, 12-shield, 13-motor, 14-belt transmission component and 15-numerical control system surface box.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution of a special machine tool for machining a cylinder liner: a special machine tool for processing a cylinder sleeve comprises a base 1, wherein a left servo working sliding table 2 is fixedly installed on the left side of the top of the base 1, a left base plate 3 is fixedly connected to the top of the left servo working sliding table 2, a left servo main shaft cutter expanding assembly 4 is fixedly installed on the top of the left base plate 3, a left cutter rest assembly 5 is installed on the right side of the left servo main shaft cutter expanding assembly 4, a clamping and limiting assembly 6 is fixedly installed in the center of the top of the base 1, a right servo working sliding table 7 is fixedly installed on the right side of the top of the base 1, a right base plate 8 is fixedly connected to the top of the right servo working sliding table 7, guide keys 9 are installed between the right base plate 8 and the right servo working sliding table 7 and between the left base plate 3 and the left servo working sliding table 2, a right servo main shaft cutter expanding assembly 10 is fixedly connected to the top of the right base plate 8, a right cutter rest assembly 11 is installed on the left side of the right servo main shaft cutter expanding assembly 10, and a protective cover 12 is fixedly connected to the peripheral side wall of the base 1, the left servo work sliding table 2, the left servo spindle cutter unfolding assembly 4, the left tool rest assembly 5, the clamping limiting assembly 6, the right servo work sliding table 7, the right servo spindle cutter unfolding assembly 10 and the right tool rest assembly 11 are all located in a protective cover 12, motors 13 are symmetrically installed on the left and right side of the rear side wall of an inner cavity of the protective cover 12, belt transmission assemblies 14 are arranged between the two groups of motors 13 and the left servo spindle cutter unfolding assembly 4 and the right servo spindle cutter unfolding assembly 10 respectively, and a numerical control system face box 15 is arranged on the outer side of the protective cover 12; wherein, the left servo spindle tool expanding component 4 and the right servo spindle tool expanding component 10 are both in the prior art, and reference can be made to the servo spindle tool expanding head with the patent number CN 201520534506.0.

Further, the left tool rest assembly 5 comprises an inner hole tool apron 51 and a left outer circle end face tool apron 52, an inner hole tool bar 53 is fixedly connected to the right side of the inner hole tool apron 51, inner hole tools 54 are fixedly connected to the upper end and the lower end of the right side of the inner hole tool bar 53, and a left outer circle end face tool 55 is fixedly connected to the left outer circle end face tool apron 52; wherein hole blade holder 51 and left excircle terminal surface blade holder 52 are fixed mounting respectively on the chuck seat and the slider of left servo main shaft exhibition sword subassembly 4, through the drive of left servo main shaft exhibition sword subassembly 4, can drive left excircle terminal surface blade holder 52 and the left excircle terminal surface sword 55 radial movement on it to the realization carries out the processing of excircle or left end face to the work piece, through two sets of interior hole swoves 54, can carry out the hole turning to the work piece, be favorable to guaranteeing the machining quality of hole when improving the machining efficiency of hole.

Further, the clamping limiting assembly 6 comprises an installation seat 61, a vertical frame 62 is fixedly connected to the top of the installation seat 61, a hydraulic two-jaw chuck 63 is fixedly installed on the right side of the vertical frame 62, an upper pressing block seat 64 is fixedly connected to the right side of an upper jaw of the hydraulic two-jaw chuck 63, an upper pressing block 65 is connected to the right lower side of the upper pressing block seat 64 through a bolt, a lower pressing block seat 66 is fixedly connected to the right side of a lower jaw of the hydraulic two-jaw chuck 63, a lower pressing block 67 is fixedly connected to the right side of the lower pressing block seat 66, a workpiece 68 is clamped between the lower pressing block 67 and the upper pressing block 65, and a limiting assembly 69 abutted to the lower pressing block seat 66 is fixedly connected to the right side of the installation seat 61; the workpiece blank is placed on the lower pressing block 67, the upper claw and the lower claw of the hydraulic two-claw chuck 63 are controlled to clamp through the hydraulic valve, the lower pressing block 67 and the upper pressing block 65 can be driven to clamp the workpiece blank, the limiting assembly 69 is used for clamping the lower pressing block 67 when the workpiece is clamped, and therefore the situation that the lower pressing block 67 swings back and forth when the workpiece is machined is avoided, the rigidity of the whole clamping mechanism is increased, and the machining precision required by the workpiece is guaranteed.

Further, the right tool rest assembly 11 includes a right tool rest 111, the upper and lower sides of the right tool rest 111 are respectively and fixedly connected with a right outer circular tool 112 and an end face tool 113, the right tool rest 111 for processing the right end face and the right outer circular face is fixed on a slider in the middle of the right servo spindle tool expanding assembly 10, the right tool rest 111 can move radially along with the slider, so as to drive the right outer circular tool 112 and the end face tool 113 to move radially, and the two tools respectively complete the processing of the right outer circle and the right end face according to the numerical control programming in the numerical control system face box 15.

Further, the right knife rest 111 comprises a right knife rest main body 1111, an upper knife holder 1112 is fixedly connected to the upper left of the right knife rest main body 1111, a lower knife holder 1113 is fixedly connected to the lower left of the right knife rest main body 1111, and threaded holes 1114 are formed in the front surfaces of the upper knife holder 1112 and the lower knife holder 1113; wherein the right outer circular cutter 112 and the end surface cutter 113 are respectively fixed in the upper cutter holder 1112 and the lower cutter holder 1113 by screw abutment of bolts.

One specific application of this embodiment is: the invention relates to a special machine tool for machining a cylinder sleeve, which is suitable for high-efficiency machining of the cylinder sleeve, when in use, a workpiece blank is placed on a lower pressing block 67, the upper and lower jaws of a hydraulic two-jaw chuck 63 are controlled to clamp through a hydraulic valve, the lower pressing block 67 and an upper pressing block 65 can be driven to clamp the workpiece blank, wherein a limiting component 69 is used for clamping the lower pressing block 67 when the workpiece is clamped, so that the lower pressing block 7 is prevented from swinging back and forth during workpiece machining, the rigidity of the whole clamping mechanism is increased, and the machining precision required by the workpiece is ensured. After a workpiece is installed, a worker can guide numerical control programming into a numerical control system face box 15, and can accurately and efficiently process the workpiece by controlling the movement of a left servo working sliding table 2, a left servo main shaft cutter expanding component 4, a right servo working sliding table 7 and a right servo main shaft cutter expanding component 10 through a numerical control program, wherein an inner hole cutter holder 51 and a left outer circle end surface cutter holder 52 are respectively and fixedly arranged on a chuck seat and a sliding block of the left servo main shaft cutter expanding component 4, and the left outer circle end surface cutter holder 52 and a left outer circle end surface cutter 55 thereon can be driven to radially move by driving of the left servo main shaft cutter expanding component 4, so that the outer circle or the left end surface of the workpiece can be processed, inner hole turning can be performed on the workpiece through two groups of inner hole cutters 54, and the processing efficiency of an inner hole is improved while the processing quality of the inner hole is ensured; the right tool rest 111 for processing the right end face and the right outer circular face is fixed on a sliding block in the middle of the right servo spindle tool expanding assembly 10, the right tool rest 111 is driven by the right servo spindle tool expanding assembly 10 to move radially, so that the right outer circular tool 112 and the end face tool 113 can be driven to move radially, and the two tools respectively complete the processing of the right outer circular face and the right end face according to numerical control programming in the numerical control system face box 15.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a special machine tool of processing cylinder liner, includes base (1), its characterized in that: the automatic cutting machine is characterized in that a left servo working sliding table (2) is fixedly mounted on the left side of the top of a base (1), a left base plate (3) is fixedly connected to the top of the left servo working sliding table (2), a left servo main shaft cutter unfolding assembly (4) is mounted on the top of the left base plate (3), a left cutter rest assembly (5) is mounted on the right side of the left servo main shaft cutter unfolding assembly (4), a clamping limiting assembly (6) is fixedly mounted at the center of the top of the base (1), a right servo working sliding table (7) is fixedly mounted on the right side of the top of the base (1), a right base plate (8) is fixedly connected to the top of the right servo working sliding table (7), guide keys (9) are mounted between the right base plate (8) and the right servo working sliding table (7) and between the left base plate (3) and the left servo working sliding table (2), and a right servo main shaft cutter unfolding assembly (10) is fixedly connected to the top of the right base plate (8), a right tool rest assembly (11) is installed on the left side of the right servo spindle cutter unfolding assembly (10), a protective cover (12) is fixedly connected to the peripheral side wall of the base (1), the left servo working sliding table (2), the left servo spindle cutter unfolding assembly (4), the left tool rest assembly (5), the clamping limiting assembly (6), the right servo working sliding table (7), the right servo spindle cutter unfolding assembly (10) and the right tool rest assembly (11) are all located in the protective cover (12), motors (13) are symmetrically installed on the rear side wall of the inner cavity of the protective cover (12) in the left-right direction, belt transmission assemblies (14) are arranged between the two groups of motors (13) and the left servo spindle cutter unfolding assembly (4) and the right servo spindle cutter unfolding assembly (10) respectively, and a numerical control system cabinet (15) is arranged on the outer side of the protective cover (12); the left tool rest assembly (5) comprises an inner hole tool apron (51) and a left excircle end face tool apron (52), and the inner hole tool apron (51) and the left excircle end face tool apron (52) are fixedly installed on a chuck seat and a sliding block of the left servo spindle tool expanding assembly (4) respectively; the right side rigid coupling of hole blade holder (51) has hole cutter arbor (53), the equal rigid coupling of lower extreme has hole sword (54) on the right side of hole cutter arbor (53), the rigid coupling has left excircle terminal surface sword (55) on left excircle terminal surface blade holder (52).

2. The special machine tool for machining the cylinder sleeve as claimed in claim 1, wherein: press from both sides tight spacing subassembly (6) including mount pad (61), the top rigid coupling of mount pad (61) has grudging post (62), the right side fixed mounting of grudging post (62) has hydraulic pressure two claw chuck (63), the last claw right side rigid coupling of hydraulic pressure two claw chuck (63) has last briquetting seat (64), it has last briquetting (65) through bolt connection to go up the right side below of briquetting seat (64), the lower claw right side rigid coupling of hydraulic pressure two claw chuck (63) has lower briquetting seat (66), the right side rigid coupling of briquetting seat (66) has lower briquetting (67) down, the centre gripping has work piece (68) between briquetting (67) and last briquetting (65) down, the right side rigid coupling of mount pad (61) has spacing subassembly (69) with lower briquetting seat (66) butt.

3. The special machine tool for machining the cylinder sleeve as claimed in claim 1, wherein: the right tool rest assembly (11) comprises a right tool rest (111), and the upper side and the lower side of the right tool rest (111) are fixedly connected with a right outer circular knife (112) and an end face knife (113) respectively.

4. The special machine tool for machining cylinder liners according to claim 3, wherein: right knife rest (111) include right knife rest main part (1111), the upper left rigid coupling of right knife rest main part (1111) has last blade holder (1112), the left side below rigid coupling of right knife rest main part (1111) has down blade holder (1113), go up blade holder (1112) and down blade holder (1113) front surface and all seted up screw hole (1114).