CN110640485B - Static pressure support rotary worktable - Google Patents

Static pressure support rotary worktable Download PDF

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Publication number
CN110640485B
CN110640485B CN201910883856.0A CN201910883856A CN110640485B CN 110640485 B CN110640485 B CN 110640485B CN 201910883856 A CN201910883856 A CN 201910883856A CN 110640485 B CN110640485 B CN 110640485B
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China
Prior art keywords
plate
extrusion
layer
notch
central shaft
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CN201910883856.0A
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CN110640485A (en
Inventor
高严慧
陈文静
倪长亮
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Jinan wanxiangtong Machinery Co.,Ltd.
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Jinan Wanxiangtong Machinery Co ltd
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Priority to CN201910883856.0A priority Critical patent/CN110640485B/en
Publication of CN110640485A publication Critical patent/CN110640485A/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, 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
    • B23Q1/00Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/25Movable or adjustable work or tool supports
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, 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
    • B23Q11/00Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, 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
    • B23Q11/00Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
    • B23Q11/0042Devices for removing chips
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, 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
    • B23Q3/00Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
    • B23Q3/06Work-clamping means

Abstract

The invention belongs to the technical field of machine tool workbenches, and particularly relates to a static pressure support rotary workbench; comprises a connecting seat, a central shaft and a working bedplate; a static pressure rolling bearing group is sleeved outside the central shaft, and the central shaft and the supporting seat are connected into a whole; the working table plate is arranged on the connecting seat; the working table plate comprises an upper layer table and a lower layer table; the upper layer platform and the lower layer platform are connected in a mechanical pressing mode; a plurality of T-shaped grooves are formed in the upper layer table; a material receiving plate is slidably mounted at the bottom of the lower notch, and elastic bending plates are arranged on two sides of the material receiving plate; a sliding groove is formed in the lower layer table and is aligned with the T-shaped groove; a plurality of hydraulic telescopic rods are arranged in the sliding groove, and the top ends of the hydraulic telescopic rods are connected to the bottom end of the material receiving disc; under the cooperation of take-up (stock) pan, not only can the low work piece of treating that highly not only can end play the effect of supporting, the elasticity board of bending can be treated the work piece lateral wall of processing and play tight effect, prevents that the work piece from appearing the phenomenon of rocking when adding man-hour.

Description

Static pressure support rotary worktable
Technical Field
The invention belongs to the technical field of machine tool workbenches, and particularly relates to a static pressure support rotary workbench.
Background
The workbench is used as a rotating part, and the requirement on the motion stability of the workbench is met through a reasonably designed bearing supporting structure, so that the processing precision of the whole machine tool is improved.
At present, in a machining tool with a rotary worktable structure in the machining industry, a static pressure supporting rotary worktable structure mostly adopts a rotary part of a worktable to rotate around a central shaft through a rolling bearing and float the rotary part of the worktable through a static pressure bearing; the rolling bearing adopted by the structure has no limit on the central shaft and can freely slide, and the rotating part of the workbench floated by the hydrostatic bearing also has no vertical limit device.
When the existing rotary worktable is used, because the groove depth and the notch size of the T-shaped groove on the worktable plate are fixed, when a plurality of workpieces to be processed are low in height and cannot be in contact with the groove bottom of the T-shaped groove, the workpieces are usually supported by cushion blocks, and when the cushion blocks are used for a long time, the T-shaped groove is abraded, so that the supporting and installing precision of the T-shaped groove on the workpieces is influenced.
Disclosure of Invention
In order to make up for the defects of the prior art, the invention provides a static pressure support rotary worktable which is mainly used for solving the problems that as the groove depth and the notch size of a T-shaped groove on a worktable plate are fixed, when a plurality of workpieces to be machined are low in height and cannot be in contact with the groove bottom of the T-shaped groove, a cushion block is usually required for supporting, and when the cushion block is used for a long time, the T-shaped groove is abraded, so that the supporting and installing precision of the T-shaped groove on the workpieces is influenced.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a static pressure support rotary worktable which comprises a connecting seat, a central shaft and a worktable plate, wherein the connecting seat is connected with the central shaft through a connecting rod; a static pressure rolling bearing group is sleeved outside the central shaft, and the central shaft and the supporting seat are connected into a whole; the working table plate is arranged on the connecting seat, the connecting seat is matched with the multi-wedge belt wheel, the working table plate, the connecting seat and the multi-wedge belt wheel form a rotary structure, and the rotary structure rotates around the central shaft through a static pressure rolling bearing assembly on the central shaft; the working table plate comprises an upper layer table and a lower layer table; the upper layer platform and the lower layer platform are connected in a mechanical pressing mode; the upper layer table is provided with a plurality of T-shaped grooves, and the T-shaped grooves comprise upper notches and lower notches; a material receiving plate is slidably mounted at the bottom of the lower notch, and elastic bending plates are arranged on two sides of the material receiving plate; a sliding groove is formed in the lower layer table and is aligned with the T-shaped groove; a plurality of hydraulic telescopic rods are arranged in the sliding groove, and the top ends of the hydraulic telescopic rods are connected to the bottom end of the material receiving disc; when the machine tool works, after the rotation angle of the working table plate is adjusted, a plurality of workpieces to be machined are clamped in the T-shaped groove, a control system of the machine tool controls the hydraulic telescopic rod to extend out, the extension of the hydraulic telescopic rod can drive the material receiving plate to move upwards in the T-shaped groove, when the material receiving plate moves upwards, the elastic bending plates arranged on two sides can be driven to bend along the inner wall of the T-shaped groove, the bent elastic bending plates can clamp the workpieces to be machined, and meanwhile, under the cooperation of the material receiving plate, not only can the workpieces to be machined with small bottom height play a role in supporting, but also the elastic bending plates can clamp the side wall of the workpieces to be machined, so that the workpieces are prevented from shaking during machining; simultaneously when work piece processing completion back, the waste material that produces behind the work piece processing can fall into the take-up (stock) pan, after the work piece takes out from the T-slot, control system can control hydraulic telescoping rod and stretch out, hydraulic telescoping rod drives and connects the flitch and continue the upward movement to when the notch parallel and level with the T-slot, the metal waste that the clearance personnel produced after the processing on the take-up (stock) pan can clear up the operation, prevent because the last notch in T-slot is different with the width of notch down, the metal waste that leads to the gathering of notch under the T-slot is too much, and the phenomenon that is difficult to the clearance appears, and then influence the support precision of T-slot to the work piece and the effect of.
Preferably, the elastic bending plate is connected with the end part of the material receiving plate through an arc-shaped fiber plate; a bending cavity is formed in the arc-shaped fiberboard, and a limiting torsion spring is arranged in the bending cavity; when the elastic bending plate works, the elastic bending plate can move upwards along the inner wall of the lower notch when the material receiving plate moves upwards, and when the top end of the elastic bending plate is extruded with the top wall of the lower notch, the elastic bending plate connected through the arc-shaped fiber plate can be bent in an arc shape along the upper end wall of the lower notch, and the deformation effect of the elastic bending plate can be improved through the arranged arc-shaped fiber plate; when the material receiving plate moves downwards, the arranged limiting torsion spring can accelerate the restoring capacity of the elastic bending plate; when the metal waste material that connects the flitch in the notch under upwards promoting, the operation can be struck off to the filiform waste material of the metal that bonds on the notch inner wall down to the elasticity board of bending, prevents that filiform waste material of metal from producing the accumulational phenomenon of bonding in the notch under.
Preferably, an extrusion cavity is formed in the material receiving plate, a spiral extrusion ring is installed in the extrusion cavity, and a rubber limiting column is inserted in the spiral extrusion ring; two ends of the rubber limiting column are arranged on the inner wall of the extrusion cavity; when the material receiving plate moves upwards to contact with a workpiece to be machined, the arranged spiral extrusion ring can play a role in buffering and damping the workpiece to be machined, and the phenomenon that the workpiece vibrates due to the cutting force of a machine tool when the workpiece is machined is prevented, so that the stable supporting effect of the material receiving plate on the workpiece is influenced; the rubber spacing column can play spacing effect to the spiral extrusion ring of setting, prevents to connect the flitch when the vibration, and gliding phenomenon appears in the extrusion intracavity in the spiral extrusion ring.
Preferably, the material receiving plate is uniformly provided with sliding holes, and the sliding holes are internally provided with convex ball columns in a sliding manner; the bottom end of the convex ball column is positioned in the extrusion cavity, and the bottom end of the convex ball column is in extrusion contact with the spiral extrusion ring; when the T-shaped groove supports a workpiece with a smooth bottom end surface, the material receiving plate moves upwards to drive the convex ball column to move upwards, and the top spherical surface of the convex ball column moving upwards is in contact with the lower surface of the workpiece, so that the vibration friction force between the machined workpiece and the material receiving plate is reduced; when protruding ball post upward movement and the lower surface extrusion contact of work piece, protruding extrusion ball post bottom and the extrusion contact of spiral extrusion circle, spiral extrusion circle can play spacing extruded effect to protruding ball post, prevents to connect the ascending thrust of flitch too big, leads to protruding ball post to appear the phenomenon of undercut.
Preferably, the rubber limit columns are uniformly provided with convex columns, and the convex columns are positioned between adjacent spiral rings of the spiral extrusion ring; the top end of the convex column is in compression contact with the side wall of the bottom end of the convex ball column; the during operation, the protruding post that sets up can play stable spacing effect to the helicoidal between the spiral extrusion circle, the extrusion force of spiral extrusion circle to protruding post can make protruding post closely laminate the bottom of protruding ball post simultaneously, and then mutually supporting of protruding post and spiral extrusion circle, not only can play spacing effect to the bottom of protruding ball post, can play spacing effect of supporting to the lateral wall of protruding ball post simultaneously, prevent protruding ball post under the extrusion force of work piece, the bottom of protruding ball post takes place expanded phenomenon, and then the phenomenon of the bottom extrusion spiral extrusion circle that leads to protruding ball post.
Preferably, the inner wall of the upper notch of the T-shaped groove is provided with an extrusion elastic sheet, one end of the extrusion elastic sheet is fixed at the upper notch of the T-shaped groove, and the other end of the extrusion elastic sheet is in extrusion contact with the top end part of the elastic bending plate; the outer wall of the extrusion elastic sheet is uniformly provided with elastic convex strips, and the elastic convex strips are arranged along the horizontal direction of the upper notch of the T-shaped groove; when the elastic bending plate is bent along the upper end wall of the lower notch under the upward thrust, the thrust at the top end of the elastic bending plate can push the contacted extrusion elastic sheet positioned on the side wall of the upper notch to be bent, and the workpiece can be clamped and damped when the elastic sheet is bent to be matched with the elastic protruding strip, so that the stable supporting effect of the workpiece in the T-shaped groove is further improved; meanwhile, after the workpiece is machined, the material receiving plate continues to push the elastic bending plate to move upwards, the pushing force of the elastic bending plate can increase the bending effect of the extrusion elastic sheet, and then the filiform metal waste bonded on the side wall of the upper notch is shaken off or pushed out, so that the cleaning effect of the T-shaped groove on the metal waste is further improved.
The invention has the following beneficial effects:
1. the invention can clamp a plurality of workpieces to be processed through the bent elastic bending plate, and simultaneously, under the coordination of the material receiving disc, the workpiece to be processed with small bottom height can be supported, and meanwhile, the elastic bending plate can clamp the side wall of the workpiece to be processed, so that the workpiece is prevented from shaking during processing.
2. According to the invention, the material receiving plate is driven by the hydraulic telescopic rod to move upwards continuously to be flush with the notch of the T-shaped groove, so that cleaning personnel can clean metal waste materials generated after processing on the material receiving plate, and the phenomenon that the metal waste materials are gathered at the lower notch of the T-shaped groove too much and are difficult to clean due to the different widths of the upper notch and the lower notch of the T-shaped groove is prevented, and further the supporting precision and the supporting effect of the T-shaped groove on a workpiece are influenced.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a perspective view of the worktop of the invention;
FIG. 3 is a cut-away view of the inventive work deck;
FIG. 4 is an enlarged view of a portion of the invention at A in FIG. 3;
in the figure: the connecting seat 1, center pin 2, work platen 3, upper stage 31, T-slot 32, go up notch 321, lower notch 322, lower floor's platform 33, sliding tray 331, connect flitch 4, extrusion chamber 41, elasticity board 5 of bending, arc fibreboard 51, hydraulic telescoping rod 6, spacing torsional spring 7, spiral extrusion circle 8, the spacing post of rubber 9, protruding post 91, protruding ball post 10, extrusion shell fragment 20, the protruding strip 30 of elasticity.
Detailed Description
A static pressure support rotary table according to an embodiment of the present invention will be described below with reference to fig. 1 to 4.
As shown in fig. 1-4, the static pressure support rotary worktable of the invention comprises a connecting seat 1, a central shaft 2 and a worktable plate 3; a static pressure rolling bearing group is sleeved outside the central shaft 2, and the central shaft 2 and the supporting seat are connected into a whole; the working table plate 3 is arranged on the connecting seat 1, the connecting seat 1 is matched with the multi-wedge belt wheel, the working table plate 3, the connecting seat 1 and the multi-wedge belt wheel form a rotary structure, and the rotary structure rotates around the central shaft 2 through a static pressure rolling bearing group on the central shaft 2; the working table plate 3 comprises an upper layer table 31 and a lower layer table 33; the upper layer table 31 and the lower layer table 33 are connected in a mechanical pressing mode; a plurality of T-shaped grooves 32 are formed in the upper stage 31, and each T-shaped groove 32 includes an upper notch 321 and a lower notch 322; a material receiving plate 4 is slidably mounted at the bottom of the lower notch 322, and elastic bending plates 5 are arranged at two sides of the material receiving plate 4; a sliding groove 331 is formed in the lower stage 33, and the sliding groove 331 is aligned with the T-shaped groove 32; a plurality of hydraulic telescopic rods 6 are arranged in the sliding groove 331, and the top ends of the hydraulic telescopic rods 6 are connected to the bottom end of the material receiving disc; when the machine tool works, after the rotation angle of the working table plate 3 is adjusted, a plurality of workpieces to be machined are clamped in the T-shaped groove 32, the control system of the machine tool controls the hydraulic telescopic rod 6 to extend out, the extension of the hydraulic telescopic rod 6 can drive the material receiving plate 4 to move upwards in the T-shaped groove 32, when the material receiving plate 4 moves upwards, the elastic bending plates 5 arranged on two sides can be driven to bend along the inner wall of the T-shaped groove 32, and then the bent elastic bending plates 5 can clamp the plurality of workpieces to be machined, and meanwhile, under the cooperation of the material receiving plate, the workpieces to be machined with small bottom height can be supported, meanwhile, the elastic bending plates 5 can clamp the side walls of the workpieces to be machined, and the workpieces are prevented from shaking during machining; simultaneously when work piece processing completion back, the waste material that produces behind the work piece processing can fall into the take-up (stock) pan, after the work piece is taken out from T-slot 32, control system can control hydraulic telescoping rod 6 and stretch out, hydraulic telescoping rod 6 drives take-up (stock) pan 4 and continues the upward movement to when the notch parallel and level with T-slot 32, the metal waste that the clearance personnel produced after the processing on the take-up (stock) pan can clear up the operation, prevent because the last notch 321 of T-slot 32 is different with the width of lower notch 322, lead to the metal waste of the gathering of notch 322 under the T-slot 32 too much, and the phenomenon that appears being difficult to the clearance, and then influence the support precision of T-slot 32 to the work piece and the effect of support.
As shown in fig. 3 and 4, the elastic bending plate 5 is connected with the end of the material receiving plate 4 through an arc-shaped fiber plate 51; a bending cavity is formed in the arc-shaped fiberboard 51, and a limiting torsion spring 7 is arranged in the bending cavity; when the elastic bending plate device works, when the material receiving plate 4 moves upwards, the elastic bending plate 5 can move upwards along the inner wall of the lower notch 322, when the top end of the elastic bending plate 5 is extruded with the top wall of the lower notch 322, the elastic bending plate 5 connected through the arc-shaped fiber plate 51 can be bent in an arc shape along the upper end wall of the lower notch 322, and the deformation effect of the elastic bending plate 5 can be increased through the arranged arc-shaped fiber plate 51; when the material receiving plate 4 moves downwards, the arranged limiting torsion spring 7 can accelerate the recovery capability of the elastic bending plate 5; when the metal waste in the notch 322 upwards promotes down connecing flitch 4, the operation is scraped to the filiform waste that bonds on the notch 322 inner wall down to elasticity board 5 of bending, prevents that filiform waste from producing the phenomenon that bonds and pile up in notch 322 down.
As shown in fig. 3 and 4, an extrusion cavity 41 is formed in the receiving plate 4, a spiral extrusion ring 8 is installed in the extrusion cavity 41, and a rubber limiting column 9 is inserted in the spiral extrusion ring 8; two ends of the rubber limit column 9 are arranged on the inner wall of the extrusion cavity 41; when the material receiving plate 4 moves upwards to contact with a workpiece to be machined, the arranged spiral extrusion ring 8 can play a role in buffering and damping the workpiece to be machined, and the phenomenon that the workpiece vibrates due to the cutting force of a machine tool when the workpiece is machined is prevented, so that the stable supporting effect of the material receiving plate 4 on the workpiece is further influenced; the rubber limit column 9 can limit the spiral extrusion ring 8, and the phenomenon that the spiral extrusion ring 8 slides in the extrusion cavity 41 when the material receiving plate 4 vibrates is prevented.
As shown in fig. 3 and 4, the material receiving plate 4 is uniformly provided with sliding holes, and the sliding holes are internally provided with the raised ball posts 10 in a sliding manner; the bottom end of the convex ball column 10 is positioned in the extrusion cavity 41, and the bottom end of the convex ball column 10 is in extrusion contact with the spiral extrusion ring 8; when the T-shaped groove 32 supports a workpiece with a smooth bottom end surface during working, the material receiving plate 4 moves upwards to drive the convex ball columns 10 to move upwards, and the top spherical surfaces of the convex ball columns 10 moving upwards are in contact with the lower surfaces of the workpiece, so that the vibration friction force between the machined workpiece and the material receiving plate 4 is reduced; when protruding ball post 10 upward movement and the lower surface extrusion contact of work piece, protruding extrusion ball post bottom and spiral extrusion ring 8's extrusion contact, spiral extrusion ring 8 can play spacing extruded effect to protruding ball post 10, prevents to connect the ascending thrust of flitch 4 too big, leads to protruding ball post 10 to appear undercut's phenomenon.
As shown in fig. 2-4, the rubber spacing columns 9 are uniformly provided with protruding columns 91, and the protruding columns 91 are located between adjacent spiral rings of the spiral extrusion ring 8; the top end of the convex column 91 is in compression contact with the side wall of the bottom end of the convex ball column 10; during operation, the protruding post 91 of setting can play stable spacing effect to the helicoidal between the spiral extrusion circle 8, the extrusion force of spiral extrusion circle 8 to protruding post 91 can make protruding post 91 closely laminate the bottom of protruding ball post 10 simultaneously, and then mutual cooperation of protruding post 91 and spiral extrusion circle 8, not only can play spacing effect to the bottom of protruding ball post 10, can play spacing effect of supporting to the lateral wall of protruding ball post 10 simultaneously, prevent protruding ball post 10 under the extrusion force of work piece, the expanded phenomenon takes place for the bottom of protruding ball post 10, and then the phenomenon of the bottom extrusion spiral extrusion circle 8 that leads to protruding ball post 10.
As shown in fig. 2-4, an inner wall of the upper notch 321 of the T-shaped groove 32 is provided with a pressing elastic sheet 20, one end of the pressing elastic sheet 20 is fixed at the upper notch 321 of the T-shaped groove 32, and the other end of the pressing elastic sheet 20 is in pressing contact with the top end of the elastic bending plate 5; the outer wall of the extrusion elastic sheet 20 is uniformly provided with elastic protruding strips 30, and the elastic protruding strips 30 are arranged along the horizontal direction of the upper notch 321 of the T-shaped groove 32; when the elastic bending plate 5 is bent along the upper end wall of the lower notch 322 under the upward thrust, the thrust at the top end of the elastic bending plate 5 can push the pressing elastic sheet 20 in contact with the side wall of the upper notch 321 to bend, and the workpiece can be clamped and damped by the cooperation of the pressing elastic sheet 20 and the elastic convex strip 30 after bending, so that the stable supporting effect of the workpiece in the T-shaped groove 32 is further improved; meanwhile, after the workpiece is machined, when the material receiving plate 4 continues to push the elastic bending plate 5 to move upwards, the thrust of the elastic bending plate 5 can increase the bending effect of the extrusion elastic sheet 20, and then the filiform metal waste bonded on the side wall of the upper notch 321 is shaken off or pushed out, so that the cleaning effect of the T-shaped groove 32 on the metal waste is further improved.
The specific working process is as follows:
when the machine tool works, after the rotation angle of the working platen 3 is adjusted, a plurality of workpieces to be machined are clamped in the T-shaped groove 32, the control system of the machine tool controls the hydraulic telescopic rod 6 to extend out, the extension of the hydraulic telescopic rod 6 can drive the material receiving plate 4 to move upwards in the T-shaped groove 32, when the material receiving plate 4 moves upwards, the elastic bending plates 5 arranged on two sides can be driven to bend along the inner wall of the T-shaped groove 32, and then the bent elastic bending plates 5 can play a role in clamping the plurality of workpieces to be machined, so that the workpieces are prevented from shaking during machining; meanwhile, after the workpiece is machined, waste materials generated after the workpiece is machined can fall into the material receiving disc, after the workpiece is taken out of the T-shaped groove 32, the control system can control the hydraulic telescopic rod 6 to stretch out, the hydraulic telescopic rod 6 drives the material receiving plate 4 to continue to move upwards to be flush with the notch of the T-shaped groove 32, and cleaning personnel can clean metal waste materials generated after the workpiece is machined on the material receiving disc.
In the description of the present invention, it is to be understood that the terms "center", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be taken as limiting the scope of the present invention.
While the invention has been described with reference to specific embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from its scope. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims (5)

1. A static pressure support rotary worktable comprises a connecting seat (1), a central shaft (2) and a worktable plate (3); a static pressure rolling bearing group is sleeved outside the central shaft (2), and the central shaft (2) and the supporting seat are connected into a whole; the working table plate (3) is arranged on the connecting seat (1), the connecting seat (1) is matched with the multi-wedge belt wheel, the working table plate (3), the connecting seat (1) and the multi-wedge belt wheel form a rotary structure, and the rotary structure rotates around the central shaft (2) through a static pressure rolling bearing group on the central shaft (2); the method is characterized in that: the workbench plate (3) comprises an upper layer table (31) and a lower layer table (33); the upper layer table (31) and the lower layer table (33) are connected in a mechanical pressing mode; the upper layer table (31) is provided with a plurality of T-shaped grooves (32), and the plurality of T-shaped grooves (32) comprise upper notches (321) and lower notches (322); a material receiving plate (4) is slidably mounted at the bottom of the lower notch (322), and elastic bending plates (5) are arranged on two sides of the material receiving plate (4); the lower layer table (33) is provided with a sliding groove (331), and the sliding groove (331) is aligned with the T-shaped groove (32); a plurality of hydraulic telescopic rods (6) are arranged in the sliding groove (331), and the top ends of the hydraulic telescopic rods (6) are connected to the bottom end of the material receiving disc;
the elastic bending plate (5) is connected with the end part of the material receiving plate (4) through an arc-shaped fiber plate (51); a bending cavity is formed in the arc-shaped fiberboard (51), and a limiting torsion spring (7) is arranged in the bending cavity.
2. A hydrostatic support rotary table as defined in claim 1, wherein: an extrusion cavity (41) is formed in the material receiving plate (4), a spiral extrusion ring (8) is installed in the extrusion cavity (41), and a rubber limiting column (9) is inserted in the spiral extrusion ring (8); and two ends of the rubber limit column (9) are arranged on the inner wall of the extrusion cavity (41).
3. A statically supported rotary table plate (3) according to claim 2, characterized in that: sliding holes are uniformly formed in the material receiving plate (4), and convex ball columns (10) are slidably mounted in the sliding holes; the bottom end of the convex ball column (10) is positioned in the extrusion cavity (41), and the bottom end of the convex ball column (10) is in extrusion contact with the spiral extrusion ring (8).
4. A hydrostatic support rotary table as set forth in claim 3, wherein: the rubber limiting columns (9) are uniformly provided with protruding columns (91), and the protruding columns (91) are positioned between adjacent spiral rings of the spiral extrusion ring (8); the top end of the convex column (91) is in compression contact with the side wall of the bottom end of the convex ball column (10).
5. A hydrostatic support rotary table as defined in claim 1, wherein: an extrusion elastic sheet (20) is arranged on the inner wall of an upper notch (321) of the T-shaped groove (32), one end of the extrusion elastic sheet (20) is fixed at the upper notch (321) of the T-shaped groove (32), and the other end of the extrusion elastic sheet (20) is in extrusion contact with the top end part of the elastic bending plate (5); the outer wall of the extrusion elastic sheet (20) is uniformly provided with elastic protruding strips (30), and the elastic protruding strips (30) are arranged along the horizontal direction of an upper notch (321) of the T-shaped groove (32).
CN201910883856.0A 2019-09-19 2019-09-19 Static pressure support rotary worktable Active CN110640485B (en)

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Application Number Priority Date Filing Date Title
CN201910883856.0A CN110640485B (en) 2019-09-19 2019-09-19 Static pressure support rotary worktable

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CN110640485A CN110640485A (en) 2020-01-03
CN110640485B true CN110640485B (en) 2021-07-13

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Publication number Priority date Publication date Assignee Title
CN111774888B (en) * 2020-07-14 2022-01-14 杭州丹骏机械有限公司 Static pressure support rotary worktable

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CN205703283U (en) * 2016-06-08 2016-11-23 山东希斯新能源发展有限公司 A kind of inclined adjustable rotary table
CN207139722U (en) * 2017-09-21 2018-03-27 宜昌船舶柴油机有限公司 Vertical rotary workbench
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JP2010120113A (en) * 2008-11-19 2010-06-03 Okuma Corp Workpiece holding device
TWM358689U (en) * 2009-02-24 2009-06-11 Earth Chain Entpr Co Ltd Electric control magnetic worktable
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CN207171595U (en) * 2017-09-10 2018-04-03 谷文明 A kind of machining tool more changing device
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