CN209157145U - A kind of tailstock assemblies of lathe - Google Patents
A kind of tailstock assemblies of lathe Download PDFInfo
- Publication number
- CN209157145U CN209157145U CN201822130840.6U CN201822130840U CN209157145U CN 209157145 U CN209157145 U CN 209157145U CN 201822130840 U CN201822130840 U CN 201822130840U CN 209157145 U CN209157145 U CN 209157145U
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- Prior art keywords
- piston
- sleeve
- top bar
- positioning region
- tailstock assemblies
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- 230000000712 assembly Effects 0.000 title claims abstract description 39
- 238000000429 assembly Methods 0.000 title claims abstract description 39
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 32
- 230000006835 compression Effects 0.000 description 9
- 238000007906 compression Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 238000003825 pressing Methods 0.000 description 8
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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Abstract
The utility model provides a kind of tailstock assemblies of lathe, belongs to machine tool component technical field.It solve the problems, such as the top relative sleeve of the tailstock assemblies of existing lathe be easy to produce offset and it is insecure to the positioning of workpiece.A kind of this tailstock assemblies of lathe, including pedestal, sleeve is fixed on pedestal, the actuator for being equipped with top bar in sleeve and top bar being driven to move along the axial reciprocating of top bar, the outer end of top bar is fixed with top, and the output end of actuator and the inner end of top bar are fixedly connected with, and sleeve is equipped with hydraulic cavities, piston is equipped in hydraulic cavities, piston is located at the side of top bar and piston can be pressed on the lateral wall of top bar.A kind of this tailstock assemblies of lathe has the advantages that positioning is reliable and service life is longer.
Description
Technical field
The utility model belongs to field of mechanical technique, is related to a kind of tailstock assemblies, especially a kind of tailstock assemblies of lathe.
Background technique
Tailstock is one of important component of lathe, it plays important function in machine tooling.Tailstock is usually used in assisting
The biggish axial workpiece of axial dimension is processed, part axial is oversized, due to the presence of biggish radial cutting force, makes axis class
Part generates circular runout, can not process.It, often will be added in order to improve the clamping reliability of part in machine tooling part
One end of work part is clamped by spindle box collet, and the other end is withstood by the top of tailstock.In holding out against in movement for tailstock center, mesh
There are mainly two types of the tailstock structures of preceding use: one is manual manipulation modes, i.e., screw nut driving machine is housed on tailstock
Structure, handwheel of the manual rolling assembling on screw rod are reached using the self-lock force of feed screw nut pair and hold out against effect to workpiece；It is another
Kind mode is controlled using hydraulic principle, is connected with piston reciprocating type hydraulic cylinder on tailstock, utilizes manual operation spring compression machine
Structure realizes holding out against for workpiece, and the release of workpiece is realized using hydraulic control.
A kind of numerically-controlled machine tool automatic hydraulic tailstock as disclosed in Chinese patent literature (application number: 201621489253.0) its
Structure includes pedestal, pedestal, pressing plate, oil pressure injection valve, top, sleeve set lever, sleeve, hydraulic stem connecting flange, hydraulic
Bar, the pedestal are set to above pedestal, and pressing plate is set to below pedestal, and oil pressure injection valve is set to above pedestal, top to be set to sleeve
Front, sleeve set lever are set to above sleeve, and sleeve is fixedly connected by hydraulic stem connecting flange with hydraulic stem, and hydraulic stem is set
Have trimmer valve, rodless side end cap, wear ring, piston seal, cylinder barrel, bar side end cap, dustband pressing plate, piston rod, dustband,
Guide sleeve, pull rod, cushion collar, piston, trimmer valve are set to below rodless side end cap, and wear ring is set to inside cylinder barrel.But this is automatic
Hydraulic tailstock is used in long-time and is used, top that abrasion is easy to produce between sleeve, and top relative sleeve is made to be easy to produce offset,
It is unreliable to the positioning of workpiece.
Summary of the invention
The purpose of this utility model is the presence of the above problem in view of the prior art, propose it is a kind of have positioning reliable and
The tailstock assemblies of the longer lathe of service life.
The purpose of this utility model can be realized by the following technical scheme: a kind of tailstock assemblies of lathe, including pedestal,
It is fixed with sleeve on the pedestal, top bar is equipped in the sleeve and drives the top bar along described
The mobile actuator of the axial reciprocating of top bar, the outer end of the top bar is fixed with the output of top, described actuator
End is fixedly connected with the inner end of the top bar, which is characterized in that the sleeve is equipped with hydraulic cavities, in the hydraulic cavities
Equipped with piston, the piston is located at the side of the top bar and the piston can be pressed on the outer of the top bar
On side wall.
This tailstock assemblies it is top when pressing workpiece, top bar and top axial movement are driven by actuator, made
The top end for pressing against workpiece, by injection pressure oil in hydraulic cavities, the outside for pushing piston that piston is made to be pressed on top bar
Compression bar is pressed in sleeve by wall, is had to enable to head on shank and is firmly pressed against in sleeve, when this tailstock assemblies is long
Between after use, generate gap after wearing between sleeve and top bar, the lateral wall of top bar be pressed on by piston, by compression bar
Be pressed in sleeve, compression bar made not generate shaking, after making the long-time use of this tailstock assemblies, thimble to the positioning of workpiece still
It is with higher accurate, there is longer service life.
In a kind of tailstock assemblies of above-mentioned lathe, the positioning region trapezoidal with section of the top bar, institute
There is the location hole to match with positioning region, and the positioning region is embedded in the positioning hole in the sleeve stated, it is described
Piston is located at the side on the bottom edge of positioning region, and the piston can compress on the bottom surface of the positioning region.Piston can
It is resisted against on the bottom surface of positioning region, has the advantages that press effect is preferable.
In a kind of tailstock assemblies of above-mentioned lathe, the section of the positioning region is isosceles trapezoid.Positioning region is cut
Face is in isosceles trapezoid, has uniform force, the advantage for keeping the press effect of Pistons positioning region preferable.
In a kind of tailstock assemblies of above-mentioned lathe, the actuator is that cylinder body is connected in the sleeve or pedestal
On hydraulic cylinder, the piston rod of the hydraulic cylinder and the inner end of the top bar are fixedly connected with.Actuator uses hydraulic cylinder, makes
It is top to be made to press reliable and stable and relatively simple structure advantage by biggish thrust.
In a kind of tailstock assemblies of above-mentioned lathe, the actuator is that cylinder body is connected in the sleeve or pedestal
On cylinder, the piston rod of the cylinder and the inner end of the top bar are fixedly connected with.
In a kind of tailstock assemblies of above-mentioned lathe, the middle part of the piston has connecting hole, the connecting hole
It is inside fixed with wear-resistant block and the outer end face of the wear-resistant block can be resisted against on the positioning region.Piston driving wear-resistant block supports
It is pressed on positioning region, has the advantages that locating effect is preferable and service life is longer.
In a kind of tailstock assemblies of above-mentioned lathe, the sleeve include side have strip groove ontology and
It is connected in the lid of ontology side, in the strip groove, the piston is arranged in described for the positioning region
The inside of lid.Sleeve is fixedly connected with by ontology with strip groove and lid, and piston is arranged in the lid
Side has the advantages that structure is simple and manufacture is more convenient.
In a kind of tailstock assemblies of above-mentioned lathe, the sleeve be equipped with 1 to 3 described in piston, and it is described
Piston be located on the middle line of the positioning region.
In a kind of tailstock assemblies of above-mentioned lathe, connection is set between the pedestal and the ontology of the sleeve
Plate, the connecting plate are fixedly connected with the pedestal and ontology by screw.Lead between pedestal and the volume ontology of sleeve
It crosses connecting plate and screw is fixedly connected with, have the advantages that structure is simple and connection is more convenient.
Compared with prior art, a kind of this tailstock assemblies of lathe has the advantage that
1, after the long-time use of this tailstock assemblies, gap is generated after wearing between sleeve and top bar, is supported by piston
It is pressed in the lateral wall of top bar, compression bar is pressed in sleeve, compression bar is made not generate shaking, when keeping this tailstock assemblies long
Between after use, thimble is still with higher accurate to the positioning of workpiece, has longer service life；
2, the positioning region trapezoidal with section of top bar, sleeve is interior to have the location hole to match with positioning region, lives
Plug can compress on the bottom surface of the positioning region, have the advantages that press effect is preferable；
3, sleeve is fixedly connected with by ontology with strip groove and lid, and piston is arranged in the lid
Side has the advantages that structure is simple and manufacture is more convenient.
Detailed description of the invention
Fig. 1 is a kind of this stereoscopic schematic diagram of the tailstock assemblies of lathe.
Fig. 2 is a kind of this schematic front view of the tailstock assemblies of lathe.
Fig. 3 is the A-A schematic cross-sectional view of Fig. 2.
Fig. 4 is the B-B schematic cross-sectional view of Fig. 2.
In figure, 1, pedestal；2, sleeve；2a, ontology；2b, strip groove；2c, lid；3, top bar；3a, positioning region；4,
It is top；5, hydraulic cavities；6, piston；6a, connecting hole；7, hydraulic cylinder；8, wear-resistant block；9, connecting plate.
Specific embodiment
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these examples.
As shown in Figures 1 to 4, a kind of tailstock assemblies of lathe, including pedestal 1, are fixed with sleeve 2 on pedestal 1, in sleeve 2
The actuator for being equipped with top bar 3 and the top bar 3 being driven to move along the axial reciprocating of top bar 3, actuator are
Cylinder body is connected in the hydraulic cylinder 7 on sleeve 2, and 6 bar of piston of hydraulic cylinder 7 and the inner end of top bar 3 are fixedly connected with.As another kind side
Formula, actuator are that cylinder body is connected in the cylinder on sleeve 2 or pedestal 1, and 6 bar of piston of cylinder and the inner end of top bar 3 are fixedly connected with.
The outer end of top bar 3 is fixed with top 4, and 6 bar of piston of hydraulic cylinder 7 and the inner end of top bar 3 are fixedly connected with, sleeve 2
On set there are two hydraulic cavities 5, be equipped with piston 6 in two hydraulic cavities 5, two pistons 6 are located at side and the piston 6 of top bar 3
It can be pressed on the lateral wall of top bar 3.
There is the location hole to match with positioning region 3a, and positioning region 3a is embedded in positioning hole in sleeve 2, piston 6 is located at
The side on the bottom edge of positioning region 3a, and piston 6 can compress on the bottom surface of positioning region 3a, have the advantages that press effect is preferable.
Sleeve 2 includes that side has the ontology 2a of strip groove 2b and is connected in the lid 2c of the side ontology 2a, positioning
Portion 3a is in strip groove 2b, and the inside of lid 2c is arranged in piston 6, and the notch that lid 2c covers strip groove 2b is formed
The location hole stated.
The middle part of piston 6 has connecting hole 6a, is fixed with wear-resistant block 8 in connecting hole 6a and the outer end face of wear-resistant block 8 can
It is resisted against on the 3a of positioning region, two pistons 6 are located on the middle line of positioning region 3a, have locating effect preferably and service life is longer
The advantages of.
Pedestal 1 and the ontology 2a of sleeve 2 are fixedly connected with by screw, are additionally provided between the upper end ontology 2a of pedestal 1 and sleeve 2
Connecting plate 9, connecting plate 9 are fixedly connected with pedestal 1 and ontology 2a by screw, are had structure simple and are connected conveniently
Advantage.
Top the 4 of this tailstock assemblies drive top bar 3 and top 4 axial shifting when pressing workpiece, through hydraulic cylinder 7
It is dynamic, make top 4 ends for pressing against workpiece, the injection pressure oil in the hydraulic cavities 5 of sleeve 2 pushes piston 6 to make resistance on piston 6
Abrading block 8 is pressed on the lateral wall of top bar 3, and compression bar is pressed in sleeve 2, has to enable to head on shank and firmly presses
In sleeve 2, after the long-time use of this tailstock assemblies, gap is generated after wearing between sleeve 2 and top bar 3, passes through piston 6
It drives wear-resistant block 8 to be pressed on the lateral wall of top bar 3, compression bar is pressed in sleeve 2, compression bar is made not generate shaking,
After making the long-time use of this tailstock assemblies, thimble is still with higher accurate to the positioning of workpiece, has longer service life.
Actuator uses hydraulic cylinder 7, enables top 4 by biggish thrust, makes to press reliable and stable and structure relatively simple
Advantage.Top bar 3 makes the top of 6 groups of positioning region 3a of piston with uniform force in the positioning region 3a of isosceles trapezoid with section
The advantage for pressing effect preferable.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Although pedestal 1, sleeve 2, ontology 2a, strip groove 2b, lid 2c, top bar 3, positioning is used more herein
The terms such as portion 3a, top 4, hydraulic cavities 5, piston 6, connecting hole 6a, hydraulic cylinder 7, wear-resistant block 8, connecting plate 9, but be not precluded and make
A possibility that with other terms.The use of these terms is merely for the convenience of describing and explaining the nature of the invention；
It is contrary to the spirit of the present invention to interpret them as any one of the additional limitations.
Claims (9)
1. a kind of tailstock assemblies of lathe, including pedestal (1), sleeve (2), the sleeve are fixed on the pedestal (1)
(2) it is equipped with top bar (3) in and drives the top bar (3) mobile along the axial reciprocating of the top bar (3)
Actuator, the outer end of the top bar (3) is fixed with top (4), the output end of the actuator with it is described top
The inner end of bar (3) is fixedly connected with, which is characterized in that the sleeve (2) is equipped with hydraulic cavities (5), sets in the hydraulic cavities (5)
Have piston (6), the piston (6) is located at the side of the top bar (3) and the piston (6) can be pressed on it is described
On the lateral wall of top bar (3).
2. a kind of tailstock assemblies of lathe according to claim 1, which is characterized in that top bar (3) have
The trapezoidal positioning region in section (3a), the sleeve (2) is interior to have the location hole to match with positioning region (3a), and described
Positioning region (3a) is embedded in the positioning hole, and the piston (6) is located at the side on the bottom edge of positioning region (3a), and described
Piston (6) can compress on the bottom surface of the positioning region (3a).
3. a kind of tailstock assemblies of lathe according to claim 2, which is characterized in that the section of the positioning region (3a)
For isosceles trapezoid.
4. a kind of tailstock assemblies of lathe according to claim 1 or 2 or 3, which is characterized in that the actuator is cylinder
Body is connected in the hydraulic cylinder (7) on the sleeve (2) or pedestal (1), piston (6) bar of the hydraulic cylinder (7) with it is described
The inner end of top bar (3) be fixedly connected with.
5. a kind of tailstock assemblies of lathe according to claim 1 or 2 or 3, which is characterized in that the actuator is cylinder
Body is connected in the cylinder on the sleeve (2) or pedestal (1), piston (6) bar of the cylinder and the top bar (3)
Inner end be fixedly connected with.
6. a kind of tailstock assemblies of lathe according to claim 2 or 3, which is characterized in that the middle part of the piston (6)
With connecting hole (6a), wear-resistant block (8) is fixed in the connecting hole (6a) and the outer end face of the wear-resistant block (8) can
It is resisted against on the positioning region (3a).
7. a kind of tailstock assemblies of lathe according to claim 2 or 3, which is characterized in that the sleeve (2) includes one
Side has the ontology (2a) of strip groove (2b) and is connected in the lid (2c) of the side ontology (2a), the positioning region (3a)
In the strip groove (2b), the inside of the lid (2c) is arranged in the piston (6).
8. a kind of tailstock assemblies of lathe according to claim 2 or 3, which is characterized in that the sleeve (2) is equipped with
Piston described in 1 to 3 (6), and the piston (6) is located on the middle line of the positioning region (3a).
9. a kind of tailstock assemblies of lathe according to claim 7, which is characterized in that the pedestal (1) and described
Be fixedly connected between the ontology (2a) of sleeve (2) by connecting plate (9), the connecting plate (9) with the pedestal (1) and
Ontology (2a) is fixedly connected with by screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822130840.6U CN209157145U (en) | 2018-12-19 | 2018-12-19 | A kind of tailstock assemblies of lathe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822130840.6U CN209157145U (en) | 2018-12-19 | 2018-12-19 | A kind of tailstock assemblies of lathe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209157145U true CN209157145U (en) | 2019-07-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822130840.6U Withdrawn - After Issue CN209157145U (en) | 2018-12-19 | 2018-12-19 | A kind of tailstock assemblies of lathe |
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| CN (1) | CN209157145U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109382527A (en) * | 2018-12-19 | 2019-02-26 | 台州北平机床有限公司 | A kind of tailstock assemblies of lathe |
-
2018
- 2018-12-19 CN CN201822130840.6U patent/CN209157145U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109382527A (en) * | 2018-12-19 | 2019-02-26 | 台州北平机床有限公司 | A kind of tailstock assemblies of lathe |
| CN109382527B (en) * | 2018-12-19 | 2024-04-19 | 北平机床(浙江)股份有限公司 | Tailstock assembly of machine tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 317500 Hualan village, Xinhe Town, Wenling City, Taizhou City, Zhejiang Province Patentee after: Beiping machine tool (Zhejiang) Co.,Ltd. Address before: 317500 Hualan village, Xinhe Town, Wenling City, Taizhou City, Zhejiang Province Patentee before: TAIZHOU BEIPING MACHINE TOOL Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190726 Effective date of abandoning: 20240419 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20190726 Effective date of abandoning: 20240419 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |