CN114192818B - Long shaft type workpiece clamping and measuring mechanism for lathe - Google Patents
Long shaft type workpiece clamping and measuring mechanism for lathe Download PDFInfo
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- CN114192818B CN114192818B CN202111506519.3A CN202111506519A CN114192818B CN 114192818 B CN114192818 B CN 114192818B CN 202111506519 A CN202111506519 A CN 202111506519A CN 114192818 B CN114192818 B CN 114192818B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B23/00—Tailstocks; Centres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/02—Chucks
- B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
- B23B31/103—Retention by pivotal elements, e.g. catches, pawls
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/22—Feeding members carrying tools or work
- B23Q5/26—Fluid-pressure drives
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Mechanical Engineering (AREA)
- Turning (AREA)
- Gripping On Spindles (AREA)
Abstract
In order to solve the technical problem that a machine tool is damaged due to the fact that the actual length error of a workpiece exceeds the clamping range of a hydraulic tailstock in the automatic clamping process of a long-axis workpiece of a traditional inverted lathe, the embodiment of the invention provides a long-axis workpiece clamping measuring mechanism for a lathe, which comprises the following steps: the main shaft unit is used for clamping one end of the long shaft workpiece and driving the long shaft workpiece to rotate; the hydraulic tailstock is used for propping up the other end of the long-shaft workpiece; the main shaft lifting unit is used for driving the main shaft unit to move towards or away from the hydraulic tailstock and feeding back the position information of the main shaft lifting unit; the proximity switch is used for monitoring the telescopic position of the hydraulic tailstock; and a processing unit for responding to the trigger signal of the proximity switch to control the spindle lifting unit to stop moving when the proximity switch is triggered. The embodiment of the invention prevents the damage of the machine tool caused by the fact that the actual length error of the workpiece exceeds the clamping range of the hydraulic tailstock.
Description
Technical Field
The invention relates to a long-axis workpiece clamping and measuring mechanism for a lathe.
Background
The inverted lathe can be used for machining slender shafts, the clamping mode of the inverted lathe generally adopts the mode of clamping by an upper chuck and propping by a lower center, the workpiece is required to be ensured to be propped effectively in the clamping process, and the workpiece is not bent or even related mechanisms are not damaged due to overlarge propping force.
However, in the automatic clamping process of the long-axis workpiece, the conventional inverted lathe causes the situation that the relevant mechanism of the machine tool is damaged due to the fact that the length and the size precision of the long-axis workpiece are low or the length technological parameters of the manually input workpiece are wrong, so that the actual length error of the workpiece exceeds the clamping range of the hydraulic tailstock.
Disclosure of Invention
In order to solve the technical problem that a machine tool is damaged due to the fact that the actual length error of a workpiece exceeds the clamping range of a hydraulic tailstock in the automatic clamping process of a long-axis workpiece of a traditional inverted lathe, the embodiment of the invention provides a long-axis workpiece clamping measuring mechanism for a lathe.
The embodiment of the invention is realized by the following technical scheme:
the embodiment of the invention provides a long-axis workpiece clamping and measuring mechanism for a lathe, which comprises the following components:
the main shaft unit is used for clamping one end of the long shaft workpiece and driving the long shaft workpiece to rotate;
the hydraulic tailstock is used for propping up the other end of the long-shaft workpiece;
the main shaft lifting unit is used for driving the main shaft unit to move towards or away from the hydraulic tailstock and feeding back the position information of the main shaft lifting unit;
the proximity switch is used for monitoring the telescopic position of the hydraulic tailstock; and
and the processing unit is used for responding to the trigger signal of the proximity switch to control the main shaft lifting unit to stop moving when the proximity switch is triggered.
Further, the processing unit is further configured to receive the position information of the spindle lifting unit, so as to convert the length of the long-axis workpiece according to the position information of the spindle lifting unit when the proximity switch is triggered.
Further, the spindle unit includes:
the first hydraulic cylinder is used for driving the hydraulic chuck to clamp the long-shaft workpiece;
the hydraulic chuck is used for clamping the long-shaft workpiece;
the spindle box is used for installing an electric spindle; and
and one end of the electric spindle penetrates out of the spindle box and then is connected with the hydraulic chuck, and is used for driving the long-shaft workpiece clamped by the hydraulic chuck to rotate.
Further, the spindle unit further includes:
the pull rod is positioned in the electric spindle, one end of the pull rod is connected with the hydraulic rod of the first hydraulic cylinder, and the other end of the pull rod is connected with the hydraulic chuck; the pull rod is used for driving the hydraulic chuck to clamp the long-shaft workpiece.
Further, the main shaft lifting unit includes:
and the servo motor is provided with an absolute encoder and is connected with the main shaft unit and used for driving the main shaft unit to move towards or away from the hydraulic tailstock.
Further, the hydraulic tailstock includes:
the center is arranged at the tail end of a piston rod of the second hydraulic cylinder and is used for propping up the other end of the shaft workpiece; and
the second hydraulic cylinder is used for providing driving force for propping the long-axis workpiece by the center and balancing the elongation of the long-axis workpiece in the turning process, and a piston rod of the second hydraulic cylinder is provided with a proximity switch sensing block.
Further, the hydraulic tailstock also comprises a hydraulic tailstock shield.
Further, the method further comprises the following steps:
the vertical lathe upright post is used for installing a main shaft lifting unit; and
the vertical lathe body is connected with the vertical lathe upright post and is used for installing the hydraulic tailstock.
Further, the vertical lathe body is provided with a mounting groove for mounting the second hydraulic cylinder.
Further, the proximity switch is arranged at the outlet of the piston rod close to the second hydraulic cylinder.
Compared with the prior art, the embodiment of the invention has the following advantages and beneficial effects:
according to the long-axis workpiece clamping and measuring mechanism for the lathe, disclosed by the embodiment of the invention, the stress of a long-axis workpiece is balanced through the mutual matching of the main shaft lifting unit and the hydraulic tailstock through the main shaft unit, the hydraulic tailstock, the main shaft lifting unit, the proximity switch and the processing unit, and the damage of a machine tool caused by the fact that the actual length error of the workpiece exceeds the clamping range of the hydraulic tailstock is prevented through the mutual matching of the proximity switch and the main shaft lifting unit and the hydraulic tailstock; therefore, the defect that the machine tool is damaged due to the fact that the actual length error of the workpiece exceeds the clamping range of the hydraulic tailstock in the automatic clamping process of the long-axis workpiece by the traditional inverted lathe is avoided.
Drawings
In order to more clearly illustrate the technical solutions of the exemplary embodiments of the present invention, the drawings that are needed in the examples will be briefly described below, it being understood that the following drawings only illustrate some examples of the present invention and therefore should not be considered as limiting the scope, and that other related drawings may be obtained from these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of a clamping and measuring mechanism for a long shaft type workpiece for a lathe.
Fig. 2 is a schematic diagram of the internal structure of the long shaft workpiece clamping and measuring mechanism for the lathe.
In the drawings, the reference numerals and corresponding part names:
the vertical lathe comprises a vertical lathe column, a vertical lathe bed, a 3-spindle unit, a 4-spindle lifting unit, a 5-hydraulic tailstock, a 6-long shaft workpiece, a 7-first hydraulic cylinder, an 8-pull rod, a 9-electric spindle, a 10-spindle box, a 11-hydraulic chuck, a 12-center, a 13-hydraulic tailstock shield, a 14-proximity switch and a 15-second hydraulic cylinder.
Detailed Description
For the purpose of making apparent the objects, technical solutions and advantages of the present invention, the present invention will be further described in detail with reference to the following examples and the accompanying drawings, wherein the exemplary embodiments of the present invention and the descriptions thereof are for illustrating the present invention only and are not to be construed as limiting the present invention.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, it will be apparent to one of ordinary skill in the art that: no such specific details are necessary to practice the invention. In other instances, well-known structures, circuits, materials, or methods have not been described in detail in order not to obscure the invention.
Throughout the specification, references to "one embodiment," "an embodiment," "one example," or "an example" mean: a particular feature, structure, or characteristic described in connection with the embodiment or example is included within at least one embodiment of the invention. Thus, the appearances of the phrases "in one embodiment," "in an example," or "in an example" in various places throughout this specification are not necessarily all referring to the same embodiment or example. Furthermore, the particular features, structures, or characteristics may be combined in any suitable combination and/or sub-combination in one or more embodiments or examples. Moreover, those of ordinary skill in the art will appreciate that the illustrations provided herein are for illustrative purposes and that the illustrations are not necessarily drawn to scale. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
In the description of the present invention, the terms "front", "rear", "left", "right", "upper", "lower", "vertical", "horizontal", "high", "low", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely to facilitate description of the present invention and simplify description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the scope of the present invention.
Examples
In order to solve the technical problem that a machine tool is damaged due to the fact that an actual length error of a workpiece exceeds a clamping range of a hydraulic tailstock in the automatic clamping process of a long-axis workpiece by a traditional inverted lathe, the embodiment of the invention provides a long-axis workpiece clamping measuring mechanism for a lathe, which is shown by referring to figures 1 and 2 and comprises the following components: the main shaft unit 3 is used for clamping one end of the long shaft workpiece and driving the long shaft workpiece 6 to rotate; the hydraulic tailstock 5 is used for propping up the other end of the long-shaft workpiece; the main shaft lifting unit 4 is used for driving the main shaft unit to move towards or away from the hydraulic tailstock and feeding back the position information of the main shaft lifting unit; a proximity switch 14 for monitoring the telescopic position of the hydraulic tailstock; and a processing unit for responding to the trigger signal of the proximity switch to control the spindle lifting unit to stop moving when the proximity switch is triggered.
Therefore, the embodiment of the invention balances the stress of the long-axis workpiece through the mutual matching of the main shaft lifting unit and the hydraulic tailstock, and prevents the damage of the machine tool caused by the fact that the actual length error of the workpiece exceeds the clamping range of the hydraulic tailstock through the mutual matching of the proximity switch and the main shaft lifting unit and the hydraulic tailstock; the defect that the inverted lathe is damaged due to the fact that the actual length error of a workpiece exceeds the clamping range of a hydraulic tailstock in the automatic clamping process of long-axis workpieces is avoided.
The measuring mechanism provided by the embodiment of the invention can realize on-machine measurement of the length of the long-axis part under the condition of severe turning environment, and the machine tool based on the invention is integrated into an automatic production line, so that the length measuring step of the long-axis workpiece before machining can be omitted. The on-machine measurement can avoid the situation that the actual length error of the workpiece exceeds the clamping range of the hydraulic tailstock and the related mechanism of the machine tool is damaged due to the fact that the length and the size precision of the long-axis workpiece are low and the technological parameter error of the length of the long-axis workpiece is manually input.
Along with the popularization of an automatic production line, in the aspect of turning processing of long-axis workpieces, the length measuring step of the long-axis workpieces before processing can be omitted by on-machine detection of the lengths of the workpieces, the processing efficiency is improved, and an alarm is given to the fact that the measured lengths and the input nominal length dimension errors are too large, so that the safety of equipment of the long-axis workpieces in the clamping process is ensured, and the long-axis workpiece turning machine tool can be widely applied to turning machine tools of the long-axis workpiece automatic production line.
Further, the processing unit is further configured to receive the position information of the spindle lifting unit, so as to convert the length of the long-axis workpiece according to the position information of the spindle lifting unit when the proximity switch is triggered.
Therefore, the embodiment of the invention realizes the measurement of the length of the long-axis workpiece through the proximity switch, the main shaft lifting unit, the hydraulic tailstock and the processing unit, and simultaneously prevents the damage of the machine tool caused by the fact that the actual length error of the workpiece exceeds the clamping range of the hydraulic tailstock.
Further, the spindle unit includes: the first hydraulic cylinder 7 is used for driving the hydraulic chuck to clamp the long-shaft workpiece; the hydraulic chuck 11 is used for clamping long-axis workpieces; a spindle box 10 for mounting an electric spindle; and one end of the electric spindle 9 penetrates out of the spindle box and then is connected with the hydraulic chuck, and is used for driving the long-shaft workpiece clamped by the hydraulic chuck to rotate.
Referring to fig. 1 and 2, a spindle unit for clamping and driving rotation of a long-axis workpiece; the main shaft lifting unit adopts a servo motor of an absolute encoder as a driving element, a ball screw transmits torque, a linear guide rail sliding block guides the main shaft lifting unit, the main shaft lifting unit is driven to move downwards, the tail end of a long shaft workpiece clamped by a hydraulic chuck is propped against the center of a hydraulic tailstock, and the automatic clamping of the long shaft workpiece is completed; the main shaft lifting unit is used for compatibly processing slender shaft workpieces with different length and sizes by controlling the lifting of the main shaft unit; the hydraulic tailstock is used for propping up the bottom hole at the tail end of the long shaft workpiece, and the length of the clamped long shaft workpiece is converted by the position information of the servo motor of the absolute encoder until the proximity switch is triggered by the proximity switch sensing block through downward movement of the piston rod of the hydraulic cylinder.
The first hydraulic cylinder is used for driving the hydraulic chuck to clamp the long-shaft workpiece; the pull rod is used for lengthening the hydraulic rod piston to drive the hydraulic chuck; the electric spindle is used for driving the long-shaft workpiece clamped by the hydraulic chuck to rotate; the spindle box is used for installing an electric spindle; the hydraulic chuck is used for clamping the long-shaft workpiece; the center is used for propping up a bottom hole at the tail end of the long-axis workpiece; the proximity switch is used for sensing a proximity switch sensing block arranged on a piston rod of the hydraulic cylinder; the second hydraulic cylinder provides driving force for propping the tip against the bottom hole at the tail end of the long-axis workpiece and balances the elongation of the long-axis workpiece in the turning process.
Further, the spindle unit further includes: the pull rod 8 is positioned in the electric spindle, one end of the pull rod is connected with a hydraulic rod of the first hydraulic cylinder 7, and the other end of the pull rod is connected with the hydraulic chuck; the pull rod is used for driving the hydraulic chuck to clamp the long-shaft workpiece.
Referring to fig. 2, the spindle unit includes a first hydraulic cylinder 7, a hydraulic chuck 11, a head stock 10, and an electric spindle 9; the piston rod of the first hydraulic cylinder 7 is connected with a pull rod 8, the upper end of the pull rod 8 is used for being connected with the piston rod of the first hydraulic cylinder, and the length of the piston rod is prolonged to drive a hydraulic chuck to clamp a long-shaft workpiece; the pull rod 8 is positioned in the electric spindle 9, the electric spindle is arranged in the spindle box, and the electric spindle is connected with the hydraulic chuck after penetrating out of the spindle box; therefore, the hydraulic chuck rotates along with the rotation of the motorized spindle, and the pull rod fixes the upper end of the pull rod through the hydraulic chuck.
Further, the main shaft lifting unit includes: and the servo motor is provided with an absolute encoder and is connected with the main shaft unit and used for driving the main shaft unit to move towards or away from the hydraulic tailstock.
Referring to fig. 2, the spindle lifting unit includes a servo motor having an absolute encoder, and the outside of a headstock of the spindle unit is connected with a ball screw of the servo motor of the absolute encoder, thereby achieving lifting movement of the headstock under rotation of the ball screw.
In order to be convenient for the installation of main shaft elevating unit and hydraulic tailstock is fixed, measuring mechanism still includes: the vertical lathe upright post 1 is used for installing a main shaft lifting unit; and the vertical lathe body 2 is connected with the vertical lathe upright post and is used for installing a hydraulic tailstock.
Optionally, the main shaft lifting unit is fixed on the vertical lathe upright 1; the hydraulic tailstock is arranged on the vertical lathe body 2 and is opposite to the long shaft workpiece on the main shaft unit.
Further, the hydraulic tailstock includes: the center 12 is arranged at the tail end of the piston rod of the second hydraulic cylinder and is used for propping up the other end of the shaft workpiece; and the second hydraulic cylinder is used for providing driving force for propping the center 12 against the long-axis workpiece and balancing the elongation of the long-axis workpiece in the turning process, and a piston rod of the second hydraulic cylinder 15 is provided with a proximity switch sensing block.
Referring to fig. 2, the hydraulic tailstock comprises a second hydraulic cylinder, a top point 12 is arranged at the top end of a piston rod of the second hydraulic cylinder 15, the top point is opposite to the hydraulic chuck, and the top point and the hydraulic chuck tightly prop up the long-shaft workpiece.
Further, the proximity switch is arranged at the outlet of the piston rod close to the second hydraulic cylinder.
When the proximity switch sensing block of the hydraulic tailstock triggers the proximity switch, an in-place signal is sent, the length of the long-axis workpiece clamped is converted by the processing unit through the position information of the servo motor of the absolute encoder, and the accurate measurement of the on-machine length of the long-axis workpiece is completed.
The hydraulic chuck of the main shaft unit and the center of the hydraulic tailstock are controlled to jack the jack force of the long shaft workpiece by adjusting the overflow pressure value of the overflow valve of the hydraulic tailstock hydraulic cylinder, so that the hydraulic chuck is used for balancing the cutting resistance and the elongation of the workpiece in the turning process.
The hydraulic chuck of the main shaft unit and the center of the hydraulic tailstock are controlled to tightly jack the long-shaft workpiece by adjusting the overflow pressure value of the overflow valve of the hydraulic cylinder of the hydraulic tailstock, so that the hydraulic chuck is used for balancing the cutting resistance and the elongation of the workpiece in the turning process.
Further, the hydraulic tailstock further comprises a hydraulic tailstock shield 13. Further, the vertical lathe body is provided with a mounting groove for mounting the second hydraulic cylinder.
The working principle of the long-axis workpiece clamping and measuring mechanism is as follows:
the first hydraulic cylinder of the main shaft unit drives the hydraulic chuck to clamp the long-shaft workpiece at the zero position of the main shaft lifting unit, and the servo motor of the absolute encoder of the main shaft lifting unit drives the ball screw to drive the main shaft unit to move downwards; and the tail end of the long-axis workpiece clamped by the hydraulic chuck is propped against the center of the hydraulic tailstock, the piston rod of the hydraulic cylinder of the hydraulic tailstock is pressed to move downwards until the proximity switch sensing block triggers the proximity switch, the main shaft unit is driven to stop moving, and the processing unit converts the length of the clamped long-axis workpiece by the position information of the servo motor of the absolute encoder, so that the clamping measurement of the long-axis workpiece is completed.
The technical scheme of the embodiment of the invention is that an inverted lathe for processing an slender shaft is taken as an example, and the horizontal lathe with a main shaft axial movement and a hydraulic tailstock triggering proximity switch structure and the horizontal and vertical lathes with the main shaft axial fixation and the hydraulic tailstock axial movement and triggering proximity switch can also realize on-machine measurement of the length of the slender shaft workpiece.
The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the invention, and is not meant to limit the scope of the invention, but to limit the invention to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (9)
1. The utility model provides a major axis class work piece clamping measuring mechanism for lathe which characterized in that includes:
the main shaft unit is used for clamping one end of the long shaft workpiece and driving the long shaft workpiece to rotate;
the hydraulic tailstock is used for propping up the other end of the long-shaft workpiece;
the main shaft lifting unit is used for driving the main shaft unit to move towards or away from the hydraulic tailstock and feeding back the position information of the main shaft lifting unit;
the proximity switch is used for monitoring the telescopic position of the hydraulic tailstock; and
a processing unit for responding to the trigger signal of the proximity switch to control the main shaft lifting unit to stop moving when the proximity switch is triggered;
the processing unit is also used for receiving the position information of the main shaft lifting unit so as to convert the length of the long-shaft workpiece according to the position information of the main shaft lifting unit when the proximity switch is triggered.
2. The long axis type workpiece clamping measuring mechanism for a lathe as claimed in claim 1, wherein said spindle unit comprises:
the first hydraulic cylinder is used for driving the hydraulic chuck to clamp the long-shaft workpiece;
the hydraulic chuck is used for clamping the long-shaft workpiece;
the spindle box is used for installing an electric spindle; and
and one end of the electric spindle penetrates out of the spindle box and then is connected with the hydraulic chuck, and is used for driving the long-shaft workpiece clamped by the hydraulic chuck to rotate.
3. The long axis type workpiece clamping measuring mechanism for a lathe as claimed in claim 2, wherein said spindle unit further comprises:
the pull rod is positioned in the electric spindle, one end of the pull rod is connected with the hydraulic rod of the first hydraulic cylinder, and the other end of the pull rod is connected with the hydraulic chuck; the pull rod is used for driving the hydraulic chuck to clamp the long-shaft workpiece.
4. The long-axis workpiece clamping and measuring mechanism for a lathe as claimed in claim 3, wherein the spindle lifting unit comprises:
and the servo motor is provided with an absolute encoder and is connected with the main shaft unit and used for driving the main shaft unit to move towards or away from the hydraulic tailstock.
5. The long shaft type workpiece clamping and measuring mechanism for a lathe as claimed in claim 4, wherein the hydraulic tailstock comprises:
the center is arranged at the tail end of a piston rod of the second hydraulic cylinder and is used for propping up the other end of the shaft workpiece; and
the second hydraulic cylinder is used for providing driving force for propping the long-axis workpiece by the center and balancing the elongation of the long-axis workpiece in the turning process, and a piston rod of the second hydraulic cylinder is provided with a proximity switch sensing block.
6. The long axis workpiece clamping measurement mechanism for a lathe as recited in claim 5, wherein said hydraulic tailstock further comprises a hydraulic tailstock shield.
7. The long axis workpiece clamping measuring mechanism for a lathe as defined in claim 6, further comprising:
the vertical lathe upright post is used for installing a main shaft lifting unit; and
the vertical lathe body is connected with the vertical lathe upright post and is used for installing the hydraulic tailstock.
8. The long-axis workpiece clamping and measuring mechanism for a lathe according to claim 7, wherein the vertical lathe body is provided with a mounting groove for mounting the second hydraulic cylinder.
9. The long-shaft workpiece clamping and measuring mechanism for the lathe according to claim 8, wherein the proximity switch is arranged at an outlet of a piston rod close to the second hydraulic cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111506519.3A CN114192818B (en) | 2021-12-10 | 2021-12-10 | Long shaft type workpiece clamping and measuring mechanism for lathe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111506519.3A CN114192818B (en) | 2021-12-10 | 2021-12-10 | Long shaft type workpiece clamping and measuring mechanism for lathe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114192818A CN114192818A (en) | 2022-03-18 |
| CN114192818B true CN114192818B (en) | 2023-05-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111506519.3A Active CN114192818B (en) | 2021-12-10 | 2021-12-10 | Long shaft type workpiece clamping and measuring mechanism for lathe |
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Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106736614A (en) * | 2016-12-29 | 2017-05-31 | 宁波北仑牧田机械有限公司 | A kind of oblique lathe bed automated high-precision Digit Control Machine Tool |
| CN206811626U (en) * | 2017-04-02 | 2017-12-29 | 格特拉克（江西）传动系统有限公司 | A kind of numerical control lathe tailstock centre ejects identification device in place |
| KR102617688B1 (en) * | 2019-01-10 | 2023-12-26 | 주식회사 디엔솔루션즈 | Tail Stock |
| CN210435370U (en) * | 2019-06-13 | 2020-05-01 | 宁夏长兴精密机械有限公司 | Special numerical control machine tool for machining turning shaft parts |
| CN110370025A (en) * | 2019-08-16 | 2019-10-25 | 浙江中智鲸工智能装备有限公司 | A kind of long axis turning machine |
| CN111804937A (en) * | 2020-07-07 | 2020-10-23 | 中国振华电子集团宇光电工有限公司（国营第七七一厂） | Lathe positioner for long shaft machining |
| CN213794267U (en) * | 2020-11-09 | 2021-07-27 | 南京慧宇自动化有限公司 | Tailstock lifting centre |
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