CN214264931U - 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
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- CN214264931U CN214264931U CN202023281725.2U CN202023281725U CN214264931U CN 214264931 U CN214264931 U CN 214264931U CN 202023281725 U CN202023281725 U CN 202023281725U CN 214264931 U CN214264931 U CN 214264931U
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- static pressure
- pressure tailstock
- tailstock
- guide rail
- slide
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Abstract
The utility model discloses an ultra-precise inside and outside circle composite grinder that static pressure tailstock combines, including Z to guide rail and X to the guide rail, Z is equipped with Z to the slide on to the guide rail, and Z is equipped with work piece main shaft and static pressure tailstock on to the slide, is equipped with X on the X to the slip table, and X is equipped with rotary platform to the slip table, and rotary platform installs the stand on, and static pressure tailstock sets up with the work piece main shaft in opposite directions, and the bottom of static pressure tailstock is installed in W to the slide on, and W is equipped with W to the guide rail to slide and Z to the slide within a definite time, and W is to slide relative Z to slide demountable installation. This compound grinding machine sets up the work piece main shaft with the clamping work piece on Z is to the guide rail, and the other end top of static pressure tailstock through demountable installation leans on in the stability of the other end of work piece in order to strengthen the work piece clamping, and static pressure tailstock roof pressure is in order to carry out excircle processing, dismantles the processing that static pressure tailstock can carry out the hole, applicable hole and excircle processing in the optional size work piece, and can effectively improve the machining precision, and this utility model is used for the machining equipment field.
Description
Technical Field
The utility model belongs to the machining equipment field, more specifically say, relate to the ultra-precise interior excircle compound grinding machine that static pressure tailstock combines.
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.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a super-precision inside and outside circle compound grinding machine that static pressure tailstock combines can effectively improve the precision of work piece excircle hole processing.
According to the embodiment of the first aspect of the utility model, the ultra-precise internal and external circle composite grinding machine with the combination of the static pressure tailstock is provided, which comprises a Z-direction guide rail and an X-direction guide rail arranged on the machine tool processing surface, wherein the Z-direction guide rail is provided with a Z-direction sliding plate, the Z-direction sliding plate is provided with a workpiece spindle and a static pressure tailstock, the X-direction guide rail is provided with an X-direction sliding table, the X-direction sliding table is provided with a rotary platform, the rotary platform is provided with a stand column, the two ends of the stand column are respectively provided with an external circle grinding wheel and an inner hole grinding wheel, the axes of the external circle grinding wheel and the inner hole grinding wheel are vertical to the rotary 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 parallel, 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.
The utility model discloses a technical scheme has following advantage or one of beneficial effect at least among the above-mentioned technical scheme:
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 utility model discloses the first aspect embodiment ultra-precise interior excircle compound grinding machine that static pressure tailstock combined, W is equipped with the second guide rail to the slide upper berth, the second guide rail is relative Z sets up to the slope.
According to the utility model discloses the ultra-precise interior excircle compound grinding machine that static pressure tailstock combination, the second guide rail includes two parallel cross ball guide of laying, the second guide rail is 1/100 along Z to inclination.
According to the utility model discloses the first aspect embodiment ultra-precise interior excircle compound grinding machine that static pressure tailstock combines, W is equipped with Z to the spout to the bottom of slide, W is relative to the slide Z is to guide rail demountable installation.
According to the utility model discloses the first aspect embodiment the ultra-precise interior excircle compound grinding machine that static pressure tailstock combined still be equipped with tailstock fine setting structure, tailstock fine setting structure drive static pressure tailstock is followed the second guide rail removes the angle of processing in order to adjust the work piece.
According to the utility model discloses the embodiment of the first aspect ultra-precision inside and outside circle compound grinding machine that static pressure tailstock combined, tailstock fine setting structure including set up in the threaded connection spare of static pressure tailstock one end, threaded connection spare rotate with the drive with the slider that static pressure tailstock links to each other removes, the other end of static pressure tailstock with W is equipped with pressure spring to between the slide, threaded connection spare's tip stretches out and is connected with spiral adjustment button.
According to the utility model discloses the first aspect embodiment ultra-precise inside and outside circle composite grinder that static pressure tailstock combined, threaded connection's pitch is 1mm, spiral adjustment button's week equalling divide for 100 divisions.
According to the utility model discloses the first aspect embodiment the ultra-precise interior excircle compound grinding machine that static pressure tailstock combines, the excircle grinding wheel with the rotation axis of hole grinding wheel is parallel arrangement each other.
According to the utility model discloses the ultra-precise interior excircle compound grinding machine that static pressure tailstock combination, be equipped with the drive on the Z guide rail W to the slide with the work piece main shaft is followed Z is to the X axle screw subassembly that removes.
Drawings
The present invention will be further described 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 structure view of a static pressure tailstock according to a first embodiment of the present invention;
fig. 4 is a schematic bottom structure diagram of the static pressure tailstock according to the 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 exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, 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, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, 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-direction is arranged between the W-direction sliding plate 122 and the Z-direction sliding plate 101, the W-direction sliding plate 122 is detachably arranged opposite to the Z-direction sliding plate 101, 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 sliding plate 122 along the sliding W of the Z-direction guide rail 100, a second guide rail 123 is laid on the sliding plate 122, and the second guide rail 123 is inclined relative to the Z-direction.
In some embodiments of the present invention, the second guide rail 123 comprises two parallel crossed ball guide rails, and the inclination of the second guide rail 123 along the Z direction is 1/100.
In some embodiments of the present invention, the sliding plate 122 has a Z-direction sliding slot at the bottom, and the sliding plate 122 is detachably mounted 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.
The utility model discloses some of them embodiments still are equipped with tailstock fine setting structure, and tailstock fine setting structure drive static pressure tailstock 120 removes the angle of processing in order to adjust the work piece along second guide rail 123.
The utility model discloses some of them embodiments, tailstock fine setting structure is including setting up in the threaded connection spare 124 of static pressure tailstock 120 one end, and the slider 126 that the threaded connection spare 124 is rotatory to link to each other with the drive with static pressure tailstock 120 removes, and the other end and the W of static pressure tailstock 120 are equipped with pressure spring 127 to between slide 122, and the tip of threaded connection spare 124 stretches out to be connected with spiral adjustment button 125.
In some embodiments of the present invention, the pitch of the threaded connector 124 is 1mm, and the circumference of the screw adjusting button 125 is divided into 100 divisions.
In some embodiments, the axes of rotation of the cylindrical grinding wheel 231 and the bore grinding wheel 232 are parallel to each other.
In some embodiments of the present invention, the Z-guide rail 100 is provided with an X-axis lead screw assembly for driving the W-direction sliding plate 122 and the workpiece spindle 110 to move along 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 |
|---|---|---|---|
| CN202023281725.2U CN214264931U (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 |
|---|---|---|---|
| CN202023281725.2U CN214264931U (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 |
|---|---|
| CN214264931U true CN214264931U (en) | 2021-09-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023281725.2U Active CN214264931U (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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| Country | Link |
|---|---|
| CN (1) | CN214264931U (en) |
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- 2020-12-29 CN CN202023281725.2U patent/CN214264931U/en active Active
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