CN106825632A - A kind of tail stock - Google Patents
A kind of tail stock Download PDFInfo
- Publication number
- CN106825632A CN106825632A CN201710024408.6A CN201710024408A CN106825632A CN 106825632 A CN106825632 A CN 106825632A CN 201710024408 A CN201710024408 A CN 201710024408A CN 106825632 A CN106825632 A CN 106825632A
- Authority
- CN
- China
- Prior art keywords
- tailstock
- lathe
- oil
- sliding table
- mounting hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000007789 sealing Methods 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 7
- 230000006698 induction Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B23/00—Tailstocks; Centres
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Turning (AREA)
Abstract
The invention discloses a kind of tail stock, including a tailstock slide unit, it is assembled on lathe guide rail；The tailstock slide unit is evenly distributed with two mounting holes；Two oil cylinders, the heart axle correspondence of each oil cylinder is assembled in a mounting hole, and the mounting hole is stretched out in the termination of the heart axle；One tailstock clamping plate, the tailstock Boards wall is in the termination of the heart axle of the oil cylinder；Wherein, two oil cylinders are used to pull the tailstock clamping plate simultaneously, the tailstock slide unit is lock onto the lathe guide rail.
Description
Technical Field
The invention relates to the field of electronics and machinery, in particular to a lathe tailstock.
Background
The numerical control horizontal lathe spindle adopts automatic control and electromechanical integration design, has attractive appearance, reasonable structure, wide application and convenient operation, can realize automatic control, can lathe the processes of inner and outer circles, end surfaces, cutting grooves, any conical surfaces, spherical surfaces, male and female threads, English threads, conical threads and the like of various parts, and is suitable for mass production.
When a horizontal numerical control lathe is used for processing a longer workpiece, the tailstock is a necessary functional part. At present, the commonly adopted tailstock in China has three types: 1: the manual tailstock that manual locking and manual control tailstock shifted utilizes the taut tailstock splint of long screw to brake the tailstock body, and the inefficiency of this kind of tailstock structure realizes that the work is man-hour, and tailstock work required time is long. 2: the device of the motor transmission lead screw utilizes the brake motor to realize braking, and the tailstock structure has high manufacturing cost and high expense. 3: utilize single cylinder to strain tailstock splint, the stress point is single, and the uneven condition of atress can appear in the outside, and when the tailstock mandrel atress, this meeting of tailstock is retreated.
Disclosure of Invention
The purpose of the invention is: the utility model provides a lathe tailstock has the fixed tailstock slip table of double-cylinder pulling tailstock splint in the slide rail to solve one or more technical problem among the prior art.
The technical scheme for realizing the purpose is as follows: a lathe tailstock comprises a tailstock sliding table which is assembled on a lathe guide rail; two mounting holes are uniformly distributed on the tailstock sliding table; the mandrel of each oil cylinder is correspondingly assembled in a mounting hole, and the end head of the mandrel extends out of the mounting hole; the tailstock clamping plate is fixed at the end of the mandrel of the oil cylinder; the two oil cylinders are used for simultaneously pulling the tailstock clamping plate, so that the tailstock sliding table is locked on the lathe guide rail.
In an embodiment of the present invention, the lathe tailstock further includes at least one first proximity switch, which has a first sensing block, and the first proximity switch is configured to receive the tightening state and the loosening state of the oil cylinder sensed by the first sensing block, and control the process of the oil cylinder through the first proximity switch.
In an embodiment of the invention, the lathe tailstock further comprises a connecting cylinder, a cylinder body of the connecting cylinder is assembled on the tailstock sliding table, and a mandrel of the connecting cylinder is connected to a saddle of the lathe; the connecting cylinder is used for driving the tailstock sliding table to slide on the lathe guide rail.
In an embodiment of the present invention, the lathe tailstock further includes a second proximity switch, and the sliding process of the tailstock sliding table is controlled by the second proximity switch.
In an embodiment of the present invention, a check valve is disposed on an oil path of each oil cylinder.
In an embodiment of the present invention, the tailstock clamping plate is provided with two screw holes, and an end of the mandrel of each oil cylinder correspondingly penetrates through the screw holes and is fixed by a precision nut.
In an embodiment of the present invention, the mandrel of the oil cylinder comprises
A first shaft portion located at an upper portion of the mounting hole;
the second shaft part is positioned in the middle of the mounting hole;
a third shaft portion located at a lower portion of the mounting hole;
the outer side wall of the second shaft part is connected with the inner side wall of the mounting hole in a sealing and sliding manner;
the diameters of the first shaft part and the second shaft part are smaller than that of the second shaft part.
In an embodiment of the present invention, the oil cylinder further includes a sealing upper cover, and the first shaft portion passes through the sealing upper cover; the two first shaft parts are connected through a connecting plate, and the first induction block is mounted on the connecting plate.
In an embodiment of the present invention, a first oil pressure space is formed between a lower surface of the upper sealing cover and an upper surface of the second shaft portion; the lower surface of the second shaft part and the middle part of the mounting hole form a second oil pressure space; a first oil hole and a second oil hole are formed in the tailstock sliding table, and the first oil hole is communicated with the first oil pressure space; the second oil hole is communicated with the second oil pressure space.
In an embodiment of the present invention, a receiving groove is axially formed at an outer side of the second shaft portion, and a sealing ring is disposed in the receiving groove.
The invention has the advantages that: according to the lathe tailstock disclosed by the invention, the double oil cylinders are used for simultaneously acting and tensioning the tailstock clamping plate, so that the tailstock sliding table can be completely stressed on the track, and the tailstock mandrel cannot retreat when being stressed in working; when the mandrel of the oil cylinder is filled with oil, the mandrel of the oil cylinder can be tensioned and loosened, and the stroke of the mandrel of the oil cylinder is 8 mm; the looseness of the mandrel of the oil cylinder after tensioning can be effectively prevented through the one-way valve; through the proximity switch, the operation safety and the accuracy of process control are effectively improved, the cost is saved during manufacturing, and the working efficiency is high.
Drawings
The invention is further explained below with reference to the figures and examples.
Fig. 1 is a schematic view of a part of a structure of a lathe tailstock according to an embodiment of the present invention.
Fig. 2 is a schematic view of a partial structure of a lathe tailstock according to an embodiment of the present invention.
Fig. 3 is a front view of fig. 1.
Fig. 4 is a sectional view taken along a-a in fig. 3.
Wherein,
1, tailstock sliding table; 2, an oil cylinder;
3 a first proximity switch; 4, connecting the cylinder;
5 a second proximity switch; 6, connecting a plate;
11 mounting holes; 12 a first oil hole;
13 a second oil hole; 111 a first oil pressure space;
112 a second oil pressure space; 21 a first shaft portion;
22 a second shaft portion; 23 a third shaft portion;
24 sealing the upper cover; 7, sealing rings;
8, precision nuts; 9 tailstock clamp plate.
Detailed Description
The following description of the embodiments refers to the accompanying drawings for illustrating the specific embodiments in which the invention may be practiced. The directional terms used in the present invention, such as "up", "down", "front", "back", "left", "right", "top", "bottom", etc., refer to the directions of the attached drawings. Accordingly, the directional terms used are used for explanation and understanding of the present invention, and are not used for limiting the present invention.
In the embodiment, as shown in fig. 1, fig. 2, and fig. 3, a lathe tailstock includes a tailstock slide table 1, two oil cylinders 2, and a connecting cylinder 4.
The tailstock sliding table 1 is assembled on a lathe guide rail (not shown); two mounting holes 11 are uniformly distributed on the tailstock sliding table 1. Wherein, this tailstock slip table 1 has a central line, and this tailstock slip table 1 is symmetrical along the left side and the right side of this central line. The corresponding positions of the left side and the right side are provided with mounting holes 11, and the upper parts of the two mounting holes 11 are communicated through a slot.
The mounting hole 11 includes an upper hole and a lower hole, and the diameter of the upper hole is larger than that of the lower hole. Wherein, the mandrel of each oil cylinder 2 is correspondingly assembled in a mounting hole 11. The end of the spindle protrudes through the mounting hole 11.
As shown in fig. 4, in particular, the spindle of the cylinder 2 includes a first shaft portion 21, a second shaft portion 22, and a third shaft portion 23. Wherein the diameters of the first shaft portion 21 and the second shaft portion 22 are smaller than the diameter of the second shaft portion 22.
Wherein the first shaft portion 21 is located at an upper portion of the mounting hole 11; the second shaft portion 22 is located in the middle of the mounting hole 11; the upper and middle parts of the mounting hole 11 are at the upper hole position. The third shaft portion 23 is located at a lower portion of the mounting hole 11, and the lower portion is located at a lower position of the mounting hole 11.
Wherein, the outer side wall of the second shaft portion 22 is connected with the inner side wall of the upper hole in a sealing and sliding manner. In this embodiment, the outer side wall of the second shaft portion 22 has a groove in the axial direction, a sealing ring 7 is embedded in the groove, and the sealing ring 7 is an "O" ring. The outer side wall of the third shaft portion 23 is also hermetically and slidably connected to the inner side wall of the lower hole.
The cylinder 2 further includes a seal upper cover 24, and the first shaft portion 21 passes through the seal upper cover 24. The two first shaft portions 21 are connected by a connecting plate 6, which ensures that the spindles of the two cylinders 2 can run synchronously.
A first oil pressure space 111 is formed between the lower surface of the upper seal cover 24 and the upper surface of the second shaft portion 22; the second shaft portion 22 and the middle portion of the mounting hole 11 constitute a second oil pressure space 112. A first oil hole 12 and a second oil hole 13 are arranged on the tailstock sliding table 1, and the first oil hole 12 is communicated with the first oil pressure space 111; the second oil hole 13 communicates with the second oil pressure space 112.
And a one-way valve is arranged on an oil way of each oil cylinder 2. The check valve prevents that fluid backward flow from leading to 2 taut states lax of hydro-cylinder, makes tailstock slip table 1 produce unnecessary displacement, influences processing production.
The tailstock clamping plate is fixed at the end of the mandrel of the oil cylinder 2; two screw holes are arranged on the tailstock clamping plate 9, and the end of the mandrel of each oil cylinder 2 correspondingly penetrates through the screw holes and is fixed through a precision nut 8. And the two oil cylinders 2 are used for simultaneously pulling the tailstock clamping plate 9 to lock the tailstock sliding table 1 on the lathe guide rail.
In this embodiment, the lathe tailstock further includes at least one first proximity switch 3, and the first proximity switch 3 has a first sensing block, and the first sensing block is mounted on the connecting plate. The first proximity switch 3 is used for receiving the tensioning state and the loosening state of the oil cylinder 2 sensed by the first sensing block, and the process of the oil cylinder 2 is controlled through the first proximity switch 3.
The cylinder body of the connecting cylinder 4 is assembled at one side of the tailstock sliding table 1, and the mandrel of the connecting cylinder 4 is connected to a saddle of a lathe; the connecting cylinder 4 is used for driving the tailstock sliding table 1 to slide on a lathe guide rail.
The lathe tailstock further comprises a second proximity switch 5, and the sliding process of the tailstock sliding table 1 is controlled through the second proximity switch 5.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A lathe tailstock is characterized in that: comprises that
The tailstock sliding table is assembled on the lathe guide rail; two mounting holes are uniformly distributed on the tailstock sliding table;
the mandrel of each oil cylinder is correspondingly assembled in a mounting hole, and the end head of the mandrel extends out of the mounting hole;
the tailstock clamping plate is fixed at the end of the mandrel of the oil cylinder;
the two oil cylinders are used for simultaneously pulling the tailstock clamping plate, so that the tailstock sliding table is locked on the lathe guide rail.
2. The lathe tailstock according to claim 1, characterized in that: the first proximity switch is used for receiving the tensioning state and the loosening state of the oil cylinder sensed by the first sensing block, and the process of the oil cylinder is controlled through the first proximity switch.
3. The lathe tailstock according to claim 1, characterized in that: the lathe tailstock sliding table is characterized by also comprising a connecting cylinder, wherein a cylinder body of the connecting cylinder is assembled on the tailstock sliding table, and a mandrel of the connecting cylinder is connected to a saddle of the lathe; the connecting cylinder is used for driving the tailstock sliding table to slide on the lathe guide rail.
4. The lathe tailstock according to claim 3, characterized in that: the tailstock sliding table further comprises a second proximity switch, and the sliding process of the tailstock sliding table is controlled through the second proximity switch.
5. The lathe tailstock according to claim 1, characterized in that: and a one-way valve is arranged on an oil way of each oil cylinder.
6. The lathe tailstock according to claim 1, characterized in that: the tailstock clamping plate is provided with two screw holes, and the end of the mandrel of each oil cylinder correspondingly penetrates through the screw holes and is fixed through a precision nut.
7. The lathe tailstock according to claim 1, characterized in that: the mandrel of the oil cylinder comprises
A first shaft portion located at an upper portion of the mounting hole;
the second shaft part is positioned in the middle of the mounting hole;
a third shaft portion located at a lower portion of the mounting hole;
the outer side wall of the second shaft part is connected with the inner side wall of the mounting hole in a sealing and sliding mode, and the diameters of the first shaft part and the third shaft part are smaller than that of the second shaft part.
8. The lathe tailstock according to claim 7, characterized in that: the oil cylinder also comprises a sealing upper cover, and the first shaft part penetrates through the sealing upper cover; the two first shaft parts are connected through a connecting plate, and the first induction block is mounted on the connecting plate.
9. The lathe tailstock according to claim 8, characterized in that: a first oil pressure space is formed between the lower surface of the upper sealing cover and the upper surface of the second shaft part; the lower surface of the second shaft part and the middle part of the mounting hole form a second oil pressure space; a first oil hole and a second oil hole are formed in the tailstock sliding table, and the first oil hole is communicated with the first oil pressure space; the second oil hole is communicated with the second oil pressure space.
10. The lathe tailstock according to claim 7, characterized in that: the outer side of the second shaft part is axially provided with a containing groove, and a sealing ring is arranged in the containing groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710024408.6A CN106825632A (en) | 2017-01-13 | 2017-01-13 | A kind of tail stock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710024408.6A CN106825632A (en) | 2017-01-13 | 2017-01-13 | A kind of tail stock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106825632A true CN106825632A (en) | 2017-06-13 |
Family
ID=59124226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710024408.6A Pending CN106825632A (en) | 2017-01-13 | 2017-01-13 | A kind of tail stock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106825632A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114453722A (en) * | 2022-03-11 | 2022-05-10 | 哈尔滨焊接研究院有限公司 | Friction welding machine shaft center adjustment device, sliding table mechanism and friction welding machine |
| CN114473179A (en) * | 2022-03-11 | 2022-05-13 | 哈尔滨焊接研究院有限公司 | Friction welding machine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62224503A (en) * | 1986-03-26 | 1987-10-02 | Washino Kikai Kk | Tail stock device for machine tool |
| CN2834747Y (en) * | 2005-12-03 | 2006-11-08 | 天水星火机床有限责任公司 | A hydraulic clamping device |
| CN201049390Y (en) * | 2007-06-26 | 2008-04-23 | 南京数控机床有限公司 | Automatic locking device for machine tool tailstock |
| CN201267879Y (en) * | 2008-10-28 | 2009-07-08 | 齐齐哈尔二机床(集团)有限责任公司 | Integral heavy type horizontal lathe tailstock |
| CN206392875U (en) * | 2017-01-13 | 2017-08-11 | 苏州珈玛自动化科技有限公司 | A kind of tail stock |
-
2017
- 2017-01-13 CN CN201710024408.6A patent/CN106825632A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62224503A (en) * | 1986-03-26 | 1987-10-02 | Washino Kikai Kk | Tail stock device for machine tool |
| CN2834747Y (en) * | 2005-12-03 | 2006-11-08 | 天水星火机床有限责任公司 | A hydraulic clamping device |
| CN201049390Y (en) * | 2007-06-26 | 2008-04-23 | 南京数控机床有限公司 | Automatic locking device for machine tool tailstock |
| CN201267879Y (en) * | 2008-10-28 | 2009-07-08 | 齐齐哈尔二机床(集团)有限责任公司 | Integral heavy type horizontal lathe tailstock |
| CN206392875U (en) * | 2017-01-13 | 2017-08-11 | 苏州珈玛自动化科技有限公司 | A kind of tail stock |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114453722A (en) * | 2022-03-11 | 2022-05-10 | 哈尔滨焊接研究院有限公司 | Friction welding machine shaft center adjustment device, sliding table mechanism and friction welding machine |
| CN114473179A (en) * | 2022-03-11 | 2022-05-13 | 哈尔滨焊接研究院有限公司 | Friction welding machine |
| CN114473179B (en) * | 2022-03-11 | 2024-02-09 | 中国机械总院集团哈尔滨焊接研究所有限公司 | Friction welding machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170613 |
|
| RJ01 | Rejection of invention patent application after publication |