CN112605732A - Ultra-precise inner and outer circle composite grinding machine with combined static pressure tailstock - Google Patents
Ultra-precise inner and outer circle composite grinding machine with combined static pressure tailstock Download PDFInfo
- Publication number
- CN112605732A CN112605732A CN202011602197.8A CN202011602197A CN112605732A CN 112605732 A CN112605732 A CN 112605732A CN 202011602197 A CN202011602197 A CN 202011602197A CN 112605732 A CN112605732 A CN 112605732A
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- China
- Prior art keywords
- static pressure
- pressure tailstock
- tailstock
- guide rail
- ultra
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/02—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work
- B24B5/12—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work for grinding cylindrical surfaces both externally and internally with several grinding wheels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/02—Frames; Beds; Carriages
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
- B24B41/061—Work supports, e.g. adjustable steadies axially supporting turning workpieces, e.g. magnetically, pneumatically
- B24B41/062—Work supports, e.g. adjustable steadies axially supporting turning workpieces, e.g. magnetically, pneumatically between centres; Dogs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/02—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work
- B24B5/14—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work for grinding conical surfaces, e.g. of centres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/35—Accessories
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
Abstract
The invention discloses an ultra-precise inner and outer circle composite grinding machine with a combined static pressure tailstock, which comprises a Z-direction guide rail and an X-direction guide rail, wherein a Z-direction sliding plate is arranged on the Z-direction guide rail, a workpiece spindle and a static pressure tailstock are arranged on the Z-direction sliding plate, an X-direction sliding table is arranged on the X-direction guide rail, a rotary platform is arranged on the X-direction sliding table, an upright column is arranged on the rotary platform, the static pressure tailstock and the workpiece spindle are oppositely arranged, the bottom of the static pressure tailstock is arranged on a W-direction sliding plate, a W-direction guide rail is arranged between the W-direction sliding plate and the Z-direction sliding plate. The composite grinding machine is provided with a workpiece main shaft on a Z-direction guide rail to clamp a workpiece, the other end of a detachable static pressure tailstock is abutted against the other end of the workpiece to enhance the stability of workpiece clamping, the static pressure tailstock is abutted to process an excircle, and the static pressure tailstock is detached to process an inner hole.
Description
Technical Field
The invention belongs to the field of machining equipment, and particularly relates to an ultra-precise inner and outer circle composite grinding machine with a static pressure tailstock combined.
Background
The existing excircle inner hole machining equipment is used for switching and machining inner holes and excircles by replacing machining tools arranged on the same tool bit assembly after clamping workpieces through a workpiece main shaft, and the equipment is convenient to machine parts with smaller length and higher rigidity, and cannot generate deformation of the workpieces in the process of machining the inner holes and the excircles.
For a workpiece with a large length or relatively poor rigidity, the machining precision of the equipment is not high enough, and especially for the machining condition that the excircle machining has a taper requirement, the utilization of the equipment is limited.
Disclosure of Invention
The invention mainly aims to provide an ultra-precise inner and outer circle composite grinding machine with a static pressure tailstock combined, which can effectively improve the machining precision of an outer circle and an inner hole of a workpiece.
According to the embodiment of the first aspect of the invention, an ultra-precise internal and external circular composite grinding machine with a combined static pressure tailstock is provided, which comprises a Z-direction guide rail and an X-direction guide rail arranged on the machining surface of a machine tool, wherein a Z-direction sliding plate is arranged on the Z-direction guide rail, a workpiece spindle and a static pressure tailstock are arranged on the Z-direction sliding plate, an X-direction sliding table is arranged on the X-direction guide rail, a rotary platform is arranged on the X-direction sliding table, a stand column is arranged on the rotary platform, an external circular grinding wheel and an internal hole grinding wheel are respectively arranged at two ends of the stand column, the axes of the external circular grinding wheel and the internal hole grinding wheel are vertical to the rotating shaft of the rotary platform, the static pressure tailstock and the workpiece spindle are oppositely arranged, the bottom of the static pressure tailstock is arranged on a W-direction sliding plate, a W-direction guide rail which is, the W-direction sliding plate is detachably mounted relative to the Z-direction sliding plate, and an ejector pin is arranged at the end part of the static pressure tailstock.
One of the above technical solutions of the present invention has at least one of the following advantages or beneficial effects:
this ultra-precision inside and outside circle compound grinding machine that static pressure tailstock combines sets up the work piece main shaft with the clamping work piece on Z is to the guide rail, and the other end top that leans on in the other end of work piece through demountable installation's static pressure tailstock is in order to strengthen the stability of work piece clamping, and static pressure tailstock roof pressure is in order to carry out cylindrical machining, dismantles the processing that static pressure tailstock can carry out the hole, applicable hole and the cylindrical machining in arbitrary size work piece, and can effectively improve the machining precision.
According to the ultra-precise internal and external composite grinding machine with the combined static pressure tailstock, which is disclosed by the embodiment of the first aspect of the invention, the W-direction sliding plate is paved with the second guide rail, and the second guide rail is obliquely arranged relative to the Z direction.
According to the ultra-precise internal and external circular compound grinding machine with the combined static pressure tailstock and the ultra-precise internal and external circular compound grinding machine with the combined static pressure tailstock, the second guide rail comprises two crossed ball guide rails which are laid in parallel, and the inclination of the second guide rail.
According to the ultra-precise inner and outer circle compound grinding machine with the combined static pressure tailstock, which is disclosed by the embodiment of the first aspect of the invention, the bottom of the W-direction sliding plate is provided with the Z-direction sliding groove, and the W-direction sliding plate is detachably mounted relative to the Z-direction guide rail.
According to the ultra-precision inner and outer circle compound grinding machine with the combined static pressure tailstock, the tailstock fine adjustment structure is further arranged and drives the static pressure tailstock to move along the second guide rail so as to adjust the machining angle of the workpiece.
According to the ultra-precise internal and external composite grinding machine with the combined static pressure tailstock, the tailstock fine adjustment structure comprises a threaded connecting piece arranged at one end of the static pressure tailstock, the threaded connecting piece rotates to drive a sliding block connected with the static pressure tailstock to move, a pressure spring is arranged between the other end of the static pressure tailstock and the W-direction sliding plate, and a spiral adjusting button is connected to the end portion of the threaded connecting piece in a stretching mode.
According to the ultra-precise internal and external circular composite grinding machine with the combined static pressure tailstock and the ultra-precise internal and external circular composite grinding machine, the thread pitch of the threaded connecting piece is 1mm, and the circumference of the screw adjusting button is equally divided into 100 divisions.
According to the ultra-precision internal and external combined grinding machine with the combined static pressure tailstock and the ultra-precision internal and external combined grinding machine with the combined static pressure tailstock, the rotating shafts of the external grinding wheel and the internal grinding wheel are arranged in parallel with each other.
According to the ultra-precise internal and external circular composite grinding machine with the combined static pressure tailstock and the ultra-precise internal and external circular composite grinding machine with the combined static pressure tailstock, the Z-direction guide rail is provided with the X-axis screw rod assembly for driving the W-direction sliding plate and the workpiece spindle to move along the Z direction.
Drawings
The invention is further described below with reference to the accompanying drawings and examples;
FIG. 1 is a schematic view of the overall structure of a first embodiment of the present invention;
FIG. 2 is a schematic view of the overall structure of the static pressure tailstock according to the first embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of a static pressure tailstock according to a first embodiment of the present invention;
fig. 4 is a schematic bottom structure view of a static pressure tailstock according to a first embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more features.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the term "connected" is to be interpreted broadly, and may be, for example, a fixed connection or a movable connection, a detachable connection or a non-detachable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or may be connected through one or more other elements or indirectly connected through one or more other elements or in an interactive relationship between two elements.
The following disclosure provides many different embodiments, or examples, for implementing different aspects of the invention.
Referring to fig. 1 to 4, an ultra-precise internal and external circular compound grinding machine with a combined static pressure tailstock is provided, which comprises a Z-direction guide rail 100 and an X-direction guide rail 200 arranged on a machining surface of a machine tool, wherein the Z-direction guide rail 100 is provided with a Z-direction sliding plate 101, the Z-direction sliding plate 101 is provided with a workpiece spindle 110 and a static pressure tailstock 120, the X-direction guide rail 200 is provided with an X-direction sliding table 210, the X-direction sliding table 210 is provided with a rotary platform 220, the rotary platform 220 is provided with a column 230, two ends of the column 230 are respectively provided with an external circular grinding wheel 231 and an internal hole grinding wheel 232, axes of the external circular grinding wheel 231 and the internal hole grinding wheel 232 are perpendicular to a rotary shaft of the rotary platform 220, the static pressure tailstock 120 is arranged opposite to the workpiece spindle 110, the bottom of the static pressure tailstock 120 is arranged on a W-direction sliding plate 122, a W-direction guide rail which is parallel to the Z, the end of the static pressure tailstock is provided with a thimble 121.
This ultra-precision inside and outside circle composite grinding machine that static pressure tailstock combines sets up work piece main shaft 110 with the clamping work piece on Z guide rail 100, and the other end top that leans on in the other end of work piece through demountable installation's static pressure tailstock 120 leans on in order to strengthen the stability of work piece clamping, and static pressure tailstock 120 roof pressure is in order to carry out the cylindrical machining, dismantles static pressure tailstock 120 and can carry out the processing of hole, applicable hole and the cylindrical machining in arbitrary size work piece, and can effectively improve the machining precision.
In some embodiments of the present invention, the bottom of the static pressure tailstock 120 is provided with a W-direction sliding plate 122 capable of sliding along the Z-direction guide rail 100, the W-direction sliding plate 122 is laid with a second guide rail 123, and the second guide rail 123 is disposed obliquely with respect to the Z-direction.
In some embodiments of the present invention, the second rail 123 comprises two parallel crossed ball rails, and the second rail 123 has a slope 1/100 along the Z-direction.
In some embodiments of the present invention, the bottom of the W-direction sliding plate 122 is provided with a Z-direction sliding slot, and the W-direction sliding plate 122 is detachably mounted with respect to the Z-direction rail 100.
The standard part of the crossed ball guide rail is easy to select and install, is easy to replace after the crossed ball bearing is damaged, does not need manual scraping of a contact surface, and can guarantee the precision of the W-direction sliding plate 122 more durably.
In some embodiments of the present invention, a tailstock fine-tuning structure is further provided, and the tailstock fine-tuning structure drives the static pressure tailstock 120 to move along the second guide rail 123 to adjust the processing angle of the workpiece.
In some embodiments of the present invention, the tailstock fine adjustment structure includes a threaded connection member 124 disposed at one end of the static pressure tailstock 120, the threaded connection member 124 rotates to drive a sliding block 126 connected to the static pressure tailstock 120 to move, a pressure spring 127 is disposed between the other end of the static pressure tailstock 120 and the W-direction sliding plate 122, and a screw adjustment button 125 is connected to an end of the threaded connection member 124 in an extending manner.
In some embodiments of the present invention, the threaded connector 124 has a pitch of 1mm, and the circumference of the screw adjustment knob 125 is equally divided into 100 divisions.
In some embodiments of the present invention, the axes of rotation of the cylindrical grinding wheel 231 and the internal grinding wheel 232 are arranged parallel to each other.
In some embodiments of the present invention, the Z-guide 100 is provided with an X-axis lead screw assembly for driving the W-slide 122 and the workpiece spindle 110 to move in the Z-direction.
This compound grinding machine will treat that the processing work piece is installed between work piece main shaft 110 and static pressure tailstock 120, static pressure tailstock 120 has set up static pressure drive arrangement at static pressure tailstock 120 interior thimble 121 rear portion, static pressure drive arrangement mainly includes fixed connection in thimble 121 rear, be located the hydraulic pressure cavity of static pressure tailstock 120, static pressure tailstock 120 comes static pressure drive tailstock main shaft and thimble 121 through hydraulic pressure, make tailstock main shaft and thimble 121 can realize freely revolving and flexible around with realizing simultaneously, with improve the clamping precision of lathe through static pressure drive, do benefit to and improve the holistic stability of lathe.
The static pressure tailstock is an ultrahigh precision rotary main shaft, after a workpiece to be processed is assembled through cooperation of the static pressure tailstock and the workpiece main shaft, a group of W-direction guide rails and W-direction sliding plates 122 are arranged on the Z-direction sliding plate, and the static pressure tailstock moves back and forth to loosen or push tightly the workpiece through the drive of the Z-direction guide rails, the X-direction guide rails and a lead screw.
By the arrangement of the static pressure tailstock 120, the compound grinding machine can further perform taper processing during outer circle processing. When the external taper is processed, the screw adjusting button 125 at the tail end of the static pressure tailstock 120 is adjusted, and the static pressure tailstock 120 is driven to move 1mm along the Z direction every time the screw adjusting button 125 rotates for one circle, and the precision of the adjustment of the static pressure tailstock 120 along the Z direction can be accurate to 0.01mm by equally dividing the screw adjusting button into 100 divisions according to the circumference.
The inclination of the second guide rail 123 at the bottom of the static pressure tailstock 120 is 1/100, and when the static pressure tailstock 120 moves 0.01mm along the Z direction, the central axis of the static pressure tailstock 120 deviates 0.0001mm along the X direction, so that the precision adjustment of the taper of the static pressure tailstock 120 with 0.1 μm can be realized, and the precision adjustment can be used for the fine processing of an excircle.
A pressure spring 127 is arranged between the static pressure tailstock 120 and the W-direction sliding plate 122, and the pressure spring 127 can be used for eliminating a reverse clearance of relative movement after adjustment between the static pressure tailstock 120 and the W-direction sliding plate 122, so that the adjustment precision of the screw thread is improved.
Meanwhile, the composite grinding machine combines the static pressure tailstock 120 capable of adjusting clamping taper and the rotary platform 220 capable of adjusting circumference to perform taper processing, the rotary platform 220 can perform deviation adjustment on an excircle grinding wheel 231 and an inner hole grinding wheel 232 which are respectively arranged on the upright post 230 and perform excircle processing along the axial direction of an X axis, so that the composite grinding machine is suitable for angles of various tapers, and can perform excircle processing of multiple taper surfaces without disassembling and reassembling a clamped workpiece in the processing process of the workpiece.
The W-direction sliding plate 122 is detachably mounted relative to the machine tool machining surface, when the workpiece needs to be subjected to inner hole machining, the static pressure tailstock 120 is removed, the end part of the workpiece is clamped by the workpiece spindle 110, and inner hole grinding can be carried out.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (9)
1. The utility model provides an ultra-precise inner and outer circle compound grinding machine that static pressure tailstock combines which characterized in that: including setting up in the Z of machine tool machining face to guide rail and X to the guide rail, be equipped with Z on the Z to the guide rail and to the slide, Z is equipped with work piece main shaft and static pressure tailstock on to the slide, be equipped with X on the X to the guide rail to the slip table, X is equipped with rotary platform on to the slip table, the last stand of installing of rotary platform, excircle grinding wheel and hole grinding wheel are installed respectively to the both ends of stand, excircle grinding wheel with the axis perpendicular to of hole grinding wheel rotary platform's rotation axis, static pressure tailstock with the work piece main shaft sets up in opposite directions, install in W on to the slide bottom of static pressure tailstock, W to the slide with Z is equipped with between to the slide and is on a parallel with Z is to the W to the guide rail of taking over, W is relative to the slide Z is to slide demountable installation, the tip of static pressure tailstock is equipped with the thimble.
2. The ultra-precise internal and external circular compound grinding machine with the combined static pressure tailstock and the combined static pressure tailstock as claimed in claim 1, is characterized in that: and a second guide rail is paved on the W-direction sliding plate and is obliquely arranged relative to the Z direction.
3. The ultra-precise internal and external circular compound grinding machine with the combined static pressure tailstock and the combined static pressure tailstock as claimed in claim 2, is characterized in that: the second guide rail comprises two crossed ball guide rails which are laid in parallel, and the inclination of the second guide rail along the Z direction is 1/100.
4. The ultra-precise internal and external circular compound grinding machine with the combined static pressure tailstock and the combined static pressure tailstock as claimed in claim 2, is characterized in that: and a Z-direction sliding groove is formed in the bottom of the W-direction sliding plate, and the W-direction sliding plate is detachably mounted relative to the Z-direction guide rail.
5. The ultra-precise internal and external circular compound grinding machine with the combined static pressure tailstock and the combined static pressure tailstock as claimed in claim 2, is characterized in that: and the tailstock fine adjustment structure is also arranged and drives the static pressure tailstock to move along the second guide rail so as to adjust the machining angle of the workpiece.
6. The ultra-precise internal and external circular compound grinding machine with the combined static pressure tailstock and the combined static pressure tailstock as claimed in claim 5, is characterized in that: the tailstock fine adjustment structure comprises a threaded connecting piece arranged at one end of the static pressure tailstock, the threaded connecting piece rotates to drive a sliding block connected with the static pressure tailstock to move, a pressure spring is arranged between the other end of the static pressure tailstock and the W-direction sliding plate, and the end of the threaded connecting piece stretches out and is connected with a spiral adjusting button.
7. The ultra-precise internal and external circular compound grinding machine with the combined static pressure tailstock and the combined static pressure tailstock as claimed in claim 6, is characterized in that: the thread pitch of the threaded connecting piece is 1mm, and the circumference of the screw adjusting button is equally divided into 100 divisions.
8. The ultra-precise internal and external circular compound grinding machine with the combined static pressure tailstock and the combined static pressure tailstock as claimed in claim 1, is characterized in that: the rotating shafts of the cylindrical grinding wheel and the inner hole grinding wheel are arranged in parallel with each other.
9. The ultra-precise internal and external circular compound grinding machine with the combined static pressure tailstock and the combined static pressure tailstock as claimed in claim 2, is characterized in that: and an X-axis lead screw component for driving the W-direction sliding plate and the workpiece spindle to move along the Z direction is arranged on the Z-direction guide rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011602197.8A CN112605732A (en) | 2020-12-29 | 2020-12-29 | Ultra-precise inner and outer circle composite grinding machine with combined static pressure tailstock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011602197.8A CN112605732A (en) | 2020-12-29 | 2020-12-29 | Ultra-precise inner and outer circle composite grinding machine with combined static pressure tailstock |
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| Publication Number | Publication Date |
|---|---|
| CN112605732A true CN112605732A (en) | 2021-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011602197.8A Pending CN112605732A (en) | 2020-12-29 | 2020-12-29 | Ultra-precise inner and outer circle composite grinding machine with combined static pressure tailstock |
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| CN (1) | CN112605732A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113787395A (en) * | 2021-10-19 | 2021-12-14 | 惠州市德瑞科机械有限公司 | Hydrostatic guideway platform, hydrostatic guideway transport mechanism, hydrostatic guideway grinding machine |
-
2020
- 2020-12-29 CN CN202011602197.8A patent/CN112605732A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113787395A (en) * | 2021-10-19 | 2021-12-14 | 惠州市德瑞科机械有限公司 | Hydrostatic guideway platform, hydrostatic guideway transport mechanism, hydrostatic guideway grinding machine |
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