CN107520468B - Guide structure for hydraulic tailstock sectional control and operation method thereof - Google Patents
Guide structure for hydraulic tailstock sectional control and operation method thereof Download PDFInfo
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- CN107520468B CN107520468B CN201710601629.5A CN201710601629A CN107520468B CN 107520468 B CN107520468 B CN 107520468B CN 201710601629 A CN201710601629 A CN 201710601629A CN 107520468 B CN107520468 B CN 107520468B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B23/00—Tailstocks; Centres
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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Abstract
The application relates to a guide structure for hydraulic tailstock sectional control and an operation method thereof, which comprises a lathe bed, a tailstock body and an oil cylinder, wherein a track groove is arranged at the upper part of the lathe bed, the tailstock body is arranged in the track groove in a left-right moving way, a connecting seat is arranged at one end of the track groove, the oil cylinder is arranged at the other end of the track groove, a plurality of travel stop irons are transversely and uniformly arranged at the middle part of the track groove, a switch adjusting structure corresponding to the travel stop irons is arranged at the lower end of the tailstock body, the switch adjusting structure comprises an adjusting plate mounting seat and an adjusting plate, the lower part of the tailstock body is provided with an adjusting plate mounting seat extending downwards, the front side of the adjusting plate mounting seat is fixedly provided with an adjusting plate moving leftwards and rightwards, and the lower end of the adjusting plate extends above the travel stop irons, and a first travel switch and a second travel switch are vertically and symmetrically arranged at the lower end of the adjusting plate. The application has the characteristics of simple structure, realization of automatic operation of the thimble, improvement of production efficiency and the like.
Description
Technical Field
The application relates to the technical field of lathe tailstock structures, in particular to a guide structure for hydraulic tailstock sectional control.
Background
The numerical control lathe tailstock is an important component part of a machine tool, a hydraulic tailstock form is generally adopted at present, a tailstock body is arranged on a lathe body guide rail and can move along the Z-axis direction, and the moving mode is usually manual or machine tool dragging.
The pressure plate is clamped manually or by a hydraulic mechanism after reaching the designated position. The work piece is pressed or loosened each time by the expansion and contraction of the hydraulic sleeve mechanism of the tailstock. To increase efficiency, the sleeve is typically limited in travel, with two travel switches on either side of the sleeve to control sleeve travel. The stroke is generally controlled within 30-50 mm.
The hydraulic tailstock with the structure is troublesome to operate when the tailstock is required to be moved when the machined part is replaced, and the tailstock pressing plate is firstly loosened, then moved and clamped again after the tailstock pressing plate is moved in place. This process can have some impact on tailstock accuracy. If the whole action adopts a manual operation mode, the labor intensity is relatively high, and the machine is not suitable for occasions where parts are frequently replaced. If the mode of dragging and automatic clamping and loosening of the machine tool is adopted, a set of device is additionally needed to realize the automatic clamping and loosening, the control is complex, the failure rate is high, and human intervention is often needed. For the telescopic tailstock sleeve, centering accuracy and good sliding performance are guaranteed, a tailstock sleeve hole is usually machined in a boring or honing mode, machining cost is high, and a gap is overlarge due to abrasion caused by a period of time. Requiring readjustment or replacement.
Disclosure of Invention
The application aims to solve the technical problem of providing a guide structure for sectional control of a hydraulic tailstock, which combines the extension of a tailstock cylinder and the movement of a tailstock body on the traditional structure into one action, and is completed by a hydraulic cylinder below, so that the structure of the whole tailstock assembly is greatly simplified, the reliability is improved, the conversion between two movement strokes of the tailstock body is realized by using a switch and a stop iron, the programming control of the whole tailstock assembly can be realized, the cost can be reduced by more than 50 percent compared with the cost of the traditional structure, the efficiency can be improved by more than 1 time, the hydraulic cylinder is hidden below a protective cover, the whole working area has no hydraulic pipeline, and the iron filings are more favorably discharged.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a guide structure for hydraulic tailstock segmentation control, including lathe bed, tailstock body and hydro-cylinder, lathe bed upper portion arrange a track groove, the track inslot is controlled the removal and is installed the tailstock body, install the connecting seat on one end of track groove, install the hydro-cylinder on the track groove other end, the track groove middle part transversely evenly installs a plurality of stroke stop, tailstock body lower extreme install the switch adjustment structure that corresponds with stroke stop, switch adjustment structure include regulating plate mount pad and regulating plate, tailstock body lower part arrange the regulating plate mount pad that extends down, regulating plate mount pad front side fixed mounting have control the regulating plate that removes, the lower extreme of regulating plate stretch into the top of stroke stop, the lower extreme vertical symmetry of regulating plate install first stroke switch and second stroke switch.
The first travel switch and the second travel switch are connected with the adjusting plate through a fixing plate which is transversely arranged.
The adjusting plate is provided with a straight through hole, and a locking screw which penetrates through the adjusting plate and is connected with the adjusting plate mounting seat is arranged in the straight through hole.
The upper end of the adjusting plate is provided with a pressing block which is connected with the adjusting plate mounting seat through a screw, and the lower side of the pressing block wraps the upper end of the adjusting plate.
An adjusting handle is arranged on the front side of the adjusting plate.
The guide block with the rear side attached to the front side of the mounting seat of the adjusting plate is embedded and mounted at the rear side of the upper end of the adjusting plate.
Firstly, zeroing a tailstock, firstly, returning the tailstock body to a zero point, simultaneously sending signals by a first travel switch and a second travel switch to determine the tailstock body zero point, then, moving the tailstock leftwards by a proper distance according to the length of a workpiece, shielding the second travel switch when the tailstock moves leftwards, only allowing the first travel switch to signal, and after each signal indicates that the tailstock body moves by the distance between two travel stop irons, releasing the shielding of the second travel switch;
then, the oil cylinder is controlled by a button, hydraulic pressure is input, and the tailstock body is pushed, so that the thimble on the tailstock body compresses the workpiece, and when the lathe generates pressure feedback, the workpiece is indicated to be tightly propped;
then when the switch adjusting structure is operated, the locking screw is loosened, the adjusting plate is moved left and right through the adjusting handle, so that the first travel switch and the second travel switch are positioned at the two sides of the travel stop iron or between the two travel stop irons, the first travel switch and the second travel switch are ensured not to generate signals, and the workpiece is in a propped state at the moment;
then processing is carried out, the tailstock body is controlled to reversely move through the oil cylinder after the processing is finished until the first travel switch or the second travel switch is aligned with the travel stop iron and stops after a signal is sent, at the moment, the workpiece is in a loosening state, the workpiece can be replaced, the tailstock body is controlled to move leftwards after the replacement, so that the workpiece is tightly propped up, and the same batch of workpieces are processed through the same operation;
it is necessary to execute the execution again from the first step when changing a different lot of workpieces.
When the adjusting plate is adjusted, the adjusting plate is ensured to move towards the travel stop iron closest to the adjusting plate.
The beneficial effects are that: the application relates to a guide structure for hydraulic tailstock sectional control, which has the advantages of compact structure and: (1) The tail seat cylinder extending and the tail seat body moving in the traditional structure are combined into one action, and the action is completed by the hydraulic cylinder below; (2) The structure of the whole tailstock assembly is greatly simplified, and the reliability is improved; (3) The switch and the stop iron are utilized to realize the conversion between two moving strokes of the tailstock body; (4) The programming control can be realized on the whole tailstock assembly, the cost can be reduced by more than 50% compared with the traditional structure, and the efficiency can be improved by more than 1 time; (5) The hydraulic cylinder is hidden below the protective cover, and the whole working area is not provided with a hydraulic pipeline, so that scrap iron is discharged more favorably.
Drawings
FIG. 1 is a front view of the present application;
FIG. 2 is a partial cross-sectional view taken along the direction of FIG. 1A-A of the present application;
FIG. 3 is a partial cross-sectional view taken along the direction of FIG. 2B-B in accordance with the present application;
FIG. 4 is a schematic view of the switch adjustment mechanism of the present application in the ejector pin released state;
FIG. 5 is a schematic view of the switch adjusting structure of the present application in the compressed state of the ejector pin.
The diagram is: 1. tailstock body 2, lathe bed, 3, stroke stop iron, 4, switch adjustment structure, 5, the connecting seat, 6, the hydro-cylinder, 7, adjustment handle, 8, adjustment board mount pad, 9, adjustment board, 10, briquetting, 11, straight through-hole, 12, locking screw, 13, first travel switch, 14, second travel switch.
Detailed Description
The application will be further illustrated with reference to specific examples. It is to be understood that these examples are illustrative of the present application and are not intended to limit the scope of the present application. Furthermore, it should be understood that various changes and modifications can be made by one skilled in the art after reading the teachings of the present application, and such equivalents are intended to fall within the scope of the application as defined in the appended claims.
The embodiment of the application relates to a guide structure for hydraulic tailstock sectional control, which comprises a lathe bed 2, a tailstock body 1 and an oil cylinder 6, wherein a track groove is arranged at the upper part of the lathe bed 2, the tailstock body 1 is arranged in the track groove in a left-right moving way, a connecting seat 5 is arranged at one end of the track groove, the oil cylinder 6 is arranged at the other end of the track groove, a plurality of travel stop irons 3 are transversely and uniformly arranged at the middle part of the track groove, a switch adjusting structure 4 corresponding to the travel stop irons 3 is arranged at the lower end of the tailstock body 1, the switch adjusting structure 4 comprises an adjusting plate mounting seat 8 and an adjusting plate 9, the lower part of the tailstock body 1 is provided with an adjusting plate mounting seat 8 extending downwards, the adjusting plate 9 moving leftwards and rightwards is fixedly arranged at the front side of the adjusting plate mounting seat 8, the lower end of the adjusting plate 9 stretches into the upper part of the travel stop irons 3, and a first travel switch 13 and a second travel switch 14 are vertically and symmetrically arranged at the lower end of the adjusting plate 9.
The first travel switch 13 and the second travel switch 14 are connected to the adjustment plate 9 by a transversely arranged fixing plate.
The adjusting plate 9 is provided with a straight through hole 11, and a locking screw 12 penetrating through the adjusting plate 9 and connected with the adjusting plate mounting seat 8 is arranged in the straight through hole 11.
The upper end of the adjusting plate 9 is provided with a pressing block 10 connected with the adjusting plate mounting seat 8 through a screw, and the lower side of the pressing block 10 wraps the upper end of the adjusting plate 9.
An adjusting handle 7 is arranged on the front side of the adjusting plate 9.
The guide block with the rear side attached to the front side of the adjusting plate mounting seat 8 is embedded and mounted at the rear side of the upper end of the adjusting plate 9.
Firstly, zeroing a tailstock, firstly, returning the tailstock body 1 to a zero point, simultaneously sending signals by the first travel switch 13 and the second travel switch 14 to determine the zero point of the tailstock body 1, then moving the tailstock leftwards by a proper distance according to the length of a workpiece, shielding the second travel switch 14 when moving leftwards, only allowing the first travel switch 13 to signal, and after each signal indicates that the tailstock body 1 moves by the distance between two travel stop irons 3, releasing the shielding of the second travel switch 14;
then, the oil cylinder 6 is controlled through a button, hydraulic pressure is input, the tailstock body 1 is pushed, the thimble on the tailstock body 1 presses the workpiece, and when the lathe generates pressure feedback, the workpiece is indicated to be tightly pressed;
when the switch adjusting structure 4 is operated, the locking screw 12 is loosened, the adjusting plate 9 is moved left and right through the adjusting handle 7, so that the first travel switch 13 and the second travel switch 14 are positioned at two sides of the travel stop iron 3 or between the two travel stop irons 3, and the first travel switch 13 and the second travel switch 14 can not generate signals, and at the moment, the workpiece is in a propped state;
then processing is carried out, the tail seat body 1 is controlled to reversely move through the oil cylinder 6 after the processing is finished until the first travel switch 13 or the second travel switch 14 is aligned with the travel stop iron 3 to send out a signal and then stop, at the moment, the workpiece is in a loosening state, the workpiece can be replaced, the tail seat body 1 is controlled to move leftwards after the replacement, so that the workpiece is tightly propped up, and the same batch of workpieces are processed through the same operation;
it is necessary to execute the execution again from the first step when changing a different lot of workpieces.
When adjusting the adjusting plate 9, the adjusting plate 9 is moved in the direction closest to the stroke stop 3
Examples
When a batch of workpieces are processed, firstly, zero setting operation is performed, then the workpieces are mounted on a lathe, the feeding of the tailstock body 1 is performed through the button control oil cylinder 6, when the workpiece is tightly propped, and under the condition that pressure feedback occurs, whether signals are not generated by the first travel switch 13 and the second travel switch 14 on the switch adjusting structure 4 is observed, if any one of the two signals occurs, the switch adjusting structure 4 is required to be operated, the switch adjusting structure 4 is manually adjusted, the switch adjusting structure 4 moves to the nearest one travel stop iron 3, the fact that signals are not generated by the first travel switch 13 and the second travel switch 14 is ensured, then the workpiece can be processed, and after the processing is finished, the thimble can be automatically opened and closed according to a preset program, so that the workpieces in the same batch can be automatically replaced.
When the tailstock body 1 is retreated under the condition that the first travel switch 13 and the second travel switch 14 are positioned on two sides of the travel stop iron 3, after the first travel switch 13 is aligned with the travel stop iron 3 to send out a signal, the tailstock body 1 is stopped from retreating;
in the case where the first and second travel switches 13 and 14 are located between the two travel stops 3, when the tailstock body 1 retreats, the second travel switch 14 is aligned with the travel stops 3 to signal the retreating of the tailstock body 1.
When the workpiece is in a locking state, under the condition that the first travel switch 13 and the second travel switch 14 are positioned on two sides of the travel stop iron 3, if a signal appears on the first travel switch 13, the machine tool can give an alarm and needs to be checked, and under the condition that the first travel switch 13 and the second travel switch 14 are positioned between the two travel stop irons 3, if a signal appears on the second travel switch 14, the machine tool can give an alarm and needs to be checked.
The machine tool alarm may be due to workpiece damage, error proofing of the workpiece, or ejector pin misalignment.
Claims (6)
1. The utility model provides a guide structure for hydraulic tailstock segmentation control, includes lathe bed (2), tailstock body (1) and hydro-cylinder (6), its characterized in that: the utility model provides a lathe bed (2) upper portion arrange a track groove, track inslot moves about and installs tailstock body (1), installs connecting seat (5) on one end of track groove, installs hydro-cylinder (6) on the track groove other end, transversely evenly installs a plurality of travel stop (3) in track groove middle part, tailstock body (1) lower extreme install switch adjustment structure (4) that corresponds with travel stop (3), switch adjustment structure (4) including adjusting plate mount pad (8) and adjusting plate (9), tailstock body (1) lower part arrange adjusting plate mount pad (8) that extend down, adjusting plate mount pad (8) front side fixed mounting have about adjusting plate (9) that move, the lower extreme of adjusting plate (9) stretch into the top of travel stop (3), the vertical symmetry of lower extreme of adjusting plate (9) have first travel switch (13) and second travel switch (14), first travel switch (13) and second travel switch (14) have a through-hole (11) that link to each other with adjusting plate (9) through a fixed mounting plate (11) of arranging of adjusting plate (9), a through-hole (11) that link to each other.
2. A guide structure for hydraulic tailstock segment control according to claim 1, wherein: the upper end of the adjusting plate (9) is provided with a pressing block (10) connected with the adjusting plate mounting seat (8) through a screw, and the lower side of the pressing block (10) wraps the upper end of the adjusting plate (9).
3. A guide structure for hydraulic tailstock segment control according to claim 1, wherein: an adjusting handle (7) is arranged on the front side of the adjusting plate (9).
4. A guide structure for hydraulic tailstock segment control according to claim 1, wherein: the guide block with the rear side attached to the front side of the adjusting plate mounting seat (8) is embedded and mounted at the rear side of the upper end of the adjusting plate (9).
5. A method of operating a steering mechanism for hydraulic tailstock segment control as defined in claim 1, wherein:
(a) Firstly, zeroing a tailstock, firstly, returning a tailstock body (1) to the zero point, simultaneously sending signals by a first travel switch (13) and a second travel switch (14), determining the signals as the zero point of the tailstock body (1), then, moving the tailstock to the left by a proper distance according to the length of a workpiece, shielding the second travel switch (14) when moving to the left, only allowing the first travel switch (13) to signal, and after each signal indicates that the tailstock body (1) moves by the distance between two travel stop irons (3), releasing the shielding of the second travel switch (14);
(b) Then, hydraulic pressure is input through a button control oil cylinder (6) to push the tailstock body (1), so that a thimble on the tailstock body (1) compresses a workpiece, and when the lathe generates pressure feedback, the workpiece is indicated to be tightly propped;
(c) Then when the switch adjusting structure (4) is operated, the locking screw (12) is loosened, the adjusting plate (9) is moved left and right through the adjusting handle (7), so that the first travel switch (13) and the second travel switch (14) are positioned at two sides of the travel stop iron (3) or between the two travel stop irons (3), and the first travel switch (13) and the second travel switch (14) are ensured not to generate signals, and the workpiece is in a propping state at the moment;
(d) Then processing is carried out, after the processing is finished, the tailstock body (1) is controlled to reversely move through the oil cylinder (6) until the first travel switch (13) or the second travel switch (14) is aligned with the travel stop iron (3) and stops after a signal is sent, at the moment, the workpiece is in a loosening state, the workpiece can be replaced, after replacement, the tailstock body (1) is controlled to move leftwards, so that the workpiece is tightly propped, and the same batch of workpieces are processed through the same operation;
(e) Steps (a) to (d) need to be performed again when changing different batches of workpieces.
6. A method of operating a steering mechanism for hydraulic tailstock segment control as defined in claim 5, wherein: when the step (e) is carried out, the adjustment plate (9) is ensured to move towards the stroke stop iron (3) closest to the adjustment plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710601629.5A CN107520468B (en) | 2017-07-21 | 2017-07-21 | Guide structure for hydraulic tailstock sectional control and operation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710601629.5A CN107520468B (en) | 2017-07-21 | 2017-07-21 | Guide structure for hydraulic tailstock sectional control and operation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN107520468A CN107520468A (en) | 2017-12-29 |
| CN107520468B true CN107520468B (en) | 2023-08-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710601629.5A Active CN107520468B (en) | 2017-07-21 | 2017-07-21 | Guide structure for hydraulic tailstock sectional control and operation method thereof |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1303272A1 (en) * | 1985-12-20 | 1987-04-15 | Предприятие П/Я Г-4459 | Tailstock for metal-cutting machine |
| US5282402A (en) * | 1992-04-14 | 1994-02-01 | Hardinge Brothers, Inc. | Machine tool tailstock |
| CN200951466Y (en) * | 2006-09-28 | 2007-09-26 | 济南一机床集团有限公司 | Hydraulic tailstock, and its control device |
| CN202479522U (en) * | 2012-03-12 | 2012-10-10 | 苏州市职业大学 | Lathe slide carriage anti-collision device |
| CN202498221U (en) * | 2012-03-16 | 2012-10-24 | 云南Cy集团有限公司 | Programmable closed-loop controlled lathe tail bed with grid ruler feedback |
| CN103357903A (en) * | 2013-07-01 | 2013-10-23 | 安徽力成机械装备有限公司 | Novel tailstock of numerically-controlled lathe |
| CN203621512U (en) * | 2013-12-26 | 2014-06-04 | 常州克迈特数控科技有限公司 | Numerical control machine tool with programmable tailstock |
| CN204338889U (en) * | 2014-12-08 | 2015-05-20 | 重庆第二机床厂有限责任公司 | Lathe pressing tailstock automatic adjusting mechanism |
| CN206028753U (en) * | 2016-08-30 | 2017-03-22 | 英伟达（江苏）机床有限公司 | Whole hydraulic tailstock of lathe |
| CN207154789U (en) * | 2017-07-21 | 2018-03-30 | 宁波海天精工股份有限公司 | A kind of guide frame for hydraulic tailstock Discrete control |
-
2017
- 2017-07-21 CN CN201710601629.5A patent/CN107520468B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1303272A1 (en) * | 1985-12-20 | 1987-04-15 | Предприятие П/Я Г-4459 | Tailstock for metal-cutting machine |
| US5282402A (en) * | 1992-04-14 | 1994-02-01 | Hardinge Brothers, Inc. | Machine tool tailstock |
| CN200951466Y (en) * | 2006-09-28 | 2007-09-26 | 济南一机床集团有限公司 | Hydraulic tailstock, and its control device |
| CN202479522U (en) * | 2012-03-12 | 2012-10-10 | 苏州市职业大学 | Lathe slide carriage anti-collision device |
| CN202498221U (en) * | 2012-03-16 | 2012-10-24 | 云南Cy集团有限公司 | Programmable closed-loop controlled lathe tail bed with grid ruler feedback |
| CN103357903A (en) * | 2013-07-01 | 2013-10-23 | 安徽力成机械装备有限公司 | Novel tailstock of numerically-controlled lathe |
| CN203621512U (en) * | 2013-12-26 | 2014-06-04 | 常州克迈特数控科技有限公司 | Numerical control machine tool with programmable tailstock |
| CN204338889U (en) * | 2014-12-08 | 2015-05-20 | 重庆第二机床厂有限责任公司 | Lathe pressing tailstock automatic adjusting mechanism |
| CN206028753U (en) * | 2016-08-30 | 2017-03-22 | 英伟达（江苏）机床有限公司 | Whole hydraulic tailstock of lathe |
| CN207154789U (en) * | 2017-07-21 | 2018-03-30 | 宁波海天精工股份有限公司 | A kind of guide frame for hydraulic tailstock Discrete control |
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