CN111922737A - Composite feeding system - Google Patents

Composite feeding system Download PDF

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Publication number
CN111922737A
CN111922737A CN202010818586.8A CN202010818586A CN111922737A CN 111922737 A CN111922737 A CN 111922737A CN 202010818586 A CN202010818586 A CN 202010818586A CN 111922737 A CN111922737 A CN 111922737A
Authority
CN
China
Prior art keywords
guide rail
feeding system
encoder
radial bearing
sliding block
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010818586.8A
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Chinese (zh)
Inventor
胡秋
杨帆
李梦阳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Institute of Mechanical Manufacturing Technology of CAEP
Original Assignee
Institute of Mechanical Manufacturing Technology of CAEP
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Institute of Mechanical Manufacturing Technology of CAEP filed Critical Institute of Mechanical Manufacturing Technology of CAEP
Priority to CN202010818586.8A priority Critical patent/CN111922737A/en
Publication of CN111922737A publication Critical patent/CN111922737A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/25—Movable or adjustable work or tool supports
    • B23Q1/44—Movable or adjustable work or tool supports using particular mechanisms
    • B23Q1/48—Movable or adjustable work or tool supports using particular mechanisms with sliding pairs and rotating pairs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/01—Frames, beds, pillars or like members; Arrangement of ways
    • B23Q1/017—Arrangements of ways
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/25—Movable or adjustable work or tool supports
    • B23Q1/26—Movable or adjustable work or tool supports characterised by constructional features relating to the co-operation of relatively movable members; Means for preventing relative movement of such members
    • B23Q1/30—Movable or adjustable work or tool supports characterised by constructional features relating to the co-operation of relatively movable members; Means for preventing relative movement of such members controlled in conjunction with the feed mechanism
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
    • B23Q5/22—Feeding members carrying tools or work
    • B23Q5/34—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Machine Tool Units (AREA)
  • Magnetic Bearings And Hydrostatic Bearings (AREA)

Abstract

The invention discloses a composite feeding system, which comprises a rotary table and a feeding system, wherein the rotary table comprises a workbench, a radial bearing, a rotating shaft, a lower thrust plate, an encoder and a torque motor, and the upper end surface, the lower end surface and the inner side surface of the radial bearing are provided with static pressure cavities; the feeding system comprises a base, a guide rail sliding block, a side guide rail bar and an upper guide rail bar, wherein static pressure cavities are arranged on the upper end surface, the lower end surface and the side surface of the guide rail sliding block, the inner side wall of the guide rail sliding block is connected with an encoder mounting seat of an encoder, the guide rail sliding block is driven by a driving assembly, the rotary table is connected with the guide rail sliding block through a radial bearing, a stator of a torque motor is arranged inside the guide rail sliding block, and the feeding system drives the rotary table to perform linear motion, so that a composite feeding system integrated with a high-precision rotary table; the problem of current compound feeding system precision poor, revolving stage and feed shaft independent design lead to the size big is solved.

Description

Composite feeding system
Technical Field
The invention relates to the technical field of precise numerical control machining, in particular to a composite feeding system.
Background
A composite feeding system of a precise or ultra-precise numerical control processing device and a composite multi-axis device for a precise and ultra-precise detection platform. The composite feeding system of the precise and ultra-precise numerical control machine tool (such as precise processing equipment such as an ultra-precise diamond turning machine, an ultra-precise engraving and milling center, an ultra-precise processing center and the like) and the ultra-precise detecting instrument (such as a roundness measuring instrument, a three-coordinate and other precise detecting instruments) mainly has the following defects:
1. the rotary worktable mostly adopts a structure that a servo motor is used as a driving element, a gear pair is used as a transmission element, and a rolling bearing is used as a support, wherein the rolling bearing adopts a rolling element, the friction coefficient is large relative to a hydrostatic pressure support structure, the rotation precision and the positioning precision of a rotary table are relatively poor, and the application of the feed shaft system on high-precision machining and detection equipment is limited.
2. The linear shaft mostly adopts a linear guide rail as a guide element of the servo feeding system, the precision of the structure is mainly related to the precision of the linear guide rail, and the linearity of the motion of the servo feeding system is limited.
3. In the prior structure, even though a rotary table and a linear shaft adopt a hydrostatic structure, the rotary table and the feed shaft are designed to be relatively independent, and a rotary table shell is directly arranged on the feed shaft table, so that the axial size of the whole structure is large, and the overturning moment exists on the support surface of the feed shaft, thereby limiting the development of the composite feed system to the direction of integration and high precision.
Disclosure of Invention
The invention aims to provide a composite feeding system, which solves the problems of poor precision and large size caused by independent design of a rotary table and a feeding shaft of the conventional composite feeding system.
The invention is realized by the following technical scheme:
a composite feeding system comprises a rotary table and a feeding system, wherein the rotary table comprises a workbench, a radial bearing, a rotating shaft, a lower thrust plate, an encoder and a torque motor, the upper end and the lower end of the rotating shaft are respectively connected with the workbench and the lower thrust plate, the radial bearing is arranged on the outer wall of the rotating shaft and arranged between the workbench and the lower thrust plate, an encoder shaft of the encoder is connected with the bottom of the lower thrust plate, a rotor of the torque motor is connected with the bottom of the lower thrust plate, and the upper end face, the lower end face and the inner side face of the radial bearing are respectively provided with a static pressure cavity; the feeding system comprises a base, a guide rail slider, a side guide rail bar and an upper guide rail bar, wherein the upper end face of the base is symmetrically provided with 2 side guide rail bars, the top of each side guide rail bar is connected with the upper guide rail bar, the guide rail slider is arranged on the inner side of the side guide rail bar and arranged between the upper guide rail bar and the base, the upper end face, the lower end face and the inner side face of the guide rail slider are provided with static pressure cavities, a stator of a torque motor is connected with the guide rail slider, the top of the guide rail slider is connected with a radial bearing, the inner side wall of the guide rail slider is connected with an encoder mounting seat of an encoder, the encoder and the torque motor are arranged on the inner side of the guide rail slider.
The inner side of the side guide rail bar is specifically the opposite side of the 2 side guide rail bars, and the inner side wall of the guide rail slide block is specifically the opposite side of the 2 guide rail slide blocks.
According to the invention, the rotary table takes the guide rail sliding block of the feed shaft as a fixed supporting seat, the radial bearing, the torque motor stator mounting seat and the encoder mounting seat are directly fixed on the guide rail sliding block, the upper bottom surface and the lower bottom surface of the guide rail sliding block of the feed shaft and the middle area are fully utilized for connection and fixation, and the structure is compact; the structure shortens the axial size of the static pressure supporting surface of the rotary table and the feed shaft fluid and reduces the overturning moment; on the other hand, the feed shaft realizes the linear motion of the rotary table through the guide rail slide block; the problem of current compound feeding system precision poor, revolving stage and feed shaft independent design lead to the size big is solved.
Furthermore, the width of the workbench is consistent with that of the base, the outer sides of the side guide rail bar and the upper guide rail bar are flush with the outer side of the base, and the workbench is arranged above the upper guide rail bar.
The outer side specifically refers to the side of 2 side guide rail bars or 2 upper guide rail bars facing each other.
Furthermore, the encoder installation seat is connected with the guide rail sliding block through a connecting plate, and two ends of the connecting plate are respectively connected with the guide rail sliding block and the encoder installation seat through bolts.
Further, the up end undercut of base forms the mounting groove, drive assembly arranges in the mounting groove, encoder mount pad, torque motor's lower part is arranged in the mounting groove.
The space is further reduced by fully utilizing the mounting groove.
Furthermore, the upper end and the lower end of the rotating shaft are respectively connected with the workbench and the lower thrust plate through bolts, the radial bearing is connected with the guide rail slider through bolts, and the upper end and the lower end of the side guide rail bar are respectively connected with the upper guide rail bar and the base through bolts.
Furthermore, an inner U-shaped structure is formed among the side guide rail bar, the upper guide rail bar and the base, the guide rail sliding block is arranged in the inner U-shaped structure, and the inner side of the guide rail sliding block protrudes out of the inner side of the upper guide rail bar.
The inner U-shaped structure specifically means that the openings of 2U-shaped structures are oppositely arranged.
Further, pivot, workstation and thrust plate constitute outer U-shaped structure down, radial bearing arranges outer U-shaped structure in, radial bearing up end and workstation down between the terminal surface form the static pressure chamber, radial bearing down between terminal surface and the thrust plate up end form the static pressure chamber down, radial bearing hole and pivot excircle between form the static pressure chamber, radial bearing's lower terminal surface and the up end connection contact of guide rail slider.
The outer U-shaped structure specifically means that the openings of the 2U-shaped structures are arranged oppositely.
Furthermore, a grating ruler is arranged on the outer wall of the workbench in the feeding direction.
Further, the driving assembly is provided with a protective cover in a matching mode.
Further, the driving assembly is driven by a ball screw, a linear motor or a belt.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. the rotary table of the invention adopts the hydrostatic bearing as a supporting structure and is matched with a high-precision encoder, thereby obtaining high indexing precision and meeting the use requirements of precision ultra-precision machining and detection equipment.
2. The linear shaft (feeding system) adopts the hydrostatic guide rail, has the characteristics of high rigidity and high linearity, and is matched with the high-precision grating ruler as a feedback link, so that high positioning precision and repeated positioning precision can be obtained; the use requirements of precise and ultra-precise processing and detection equipment are met.
3. The rotary table and the linear shaft are synchronously modeled, and the guide rail sliding block of the feed shaft is used as a fixed supporting mechanism of the rotary table, so that the axial size between the feed shaft and the rotary table is shortened, and the overturning moment of the feed shaft is reduced; the whole feeding system meets the requirements of compact structure and small overall size, and can be widely applied to various high-performance numerical control machines and high-precision detection equipment.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a schematic view of the overall structure of an integrated device;
fig. 2 is a cross-sectional view of the integrated device.
Reference numbers and corresponding part names in the drawings:
1-driving component, 2-base, 3-guide rail slide block, 4-side guide rail bar, 5-upper guide rail bar, 6-workbench, 7-radial bearing, 8-rotating shaft, 9-lower thrust plate, 10-encoder shaft, 11-encoder, 12-encoder mounting seat, 13-torque motor, 14-connecting plate, 15-grating ruler and 16-protective cover.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
Example 1:
as shown in fig. 1 and 2, a composite feeding system comprises a rotary table and a feeding system, wherein the rotary table comprises a workbench 6, a radial bearing 7, a rotating shaft 8, a lower thrust plate 9, an encoder 11 and a torque motor 13, the upper end and the lower end of the rotating shaft 8 are respectively connected with the workbench 6 and the lower thrust plate 9, the radial bearing 7 is arranged on the outer wall of the rotating shaft 8 and is arranged between the workbench 6 and the lower thrust plate 9, an encoder shaft 10 of the encoder 11 is connected with the bottom of the lower thrust plate 9, a rotor of the torque motor 13 is connected with the bottom of the lower thrust plate 9, static pressure cavities are respectively arranged on the upper end face, the lower end face and the inner side face of the radial bearing 7, the static pressure cavities are communicated with each other, and each static pressure cavity has a gap of 10-20 μm and is used for supporting hydrostatic pressure; the feeding system comprises a base 2, a guide rail slider 3, a side guide rail bar 4 and an upper guide rail bar 5, wherein the upper end face of the base 2 is symmetrically provided with 2 side guide rail bars 4, the top of each side guide rail bar 4 is connected with the upper guide rail bar 5, the guide rail slider 3 is arranged on the inner side of each side guide rail bar 4 and is arranged between the upper guide rail bar 5 and the base 2, the upper end face, the lower end face and the inner side face of the guide rail slider 3 are provided with static pressure cavities which are communicated with each other and are supported by a hydrostatic guide rail, a stator of a torque motor 13 is connected with the guide rail slider 3, the top of the guide rail slider 3 is connected with a radial bearing 7, the inner side wall of the guide rail slider 3 is connected with an encoder mounting seat 12 of an encoder 11, the encoder 11 and the torque motor 13 are both arranged on the inner side of the guide rail slider 3, the guide rail slider 3 is driven, The linear motor drive or belt transmission drive drives the guide rail slide block 3 to move.
In the embodiment, the rotating shaft 8, the workbench 6, the lower thrust plate 9 and the radial bearing 7 form axial and radial bearing support surfaces so as to form static pressure bearing capacity, and the rotary table is supported by hydrostatic pressure, so that the friction coefficient is small and the rotary precision is high; the inner hole of the encoder 11 is connected with the encoder shaft 10, the shell of the encoder 11 is connected with the encoder mounting seat 12, the encoder mounting seat 12 is fixed on the guide rail sliding block 2 through bolts to form a feedback system of the rotary table, excellent indexing precision can be obtained, static pressure oil enters a static pressure cavity through the side guide rail sliding block 3 to form static pressure supporting force, namely a static pressure supporting surface is formed among the guide rail strip 4, the upper guide rail strip 5 and the base 2, the friction coefficient is small, and high movement linearity can be obtained; the rotary table of the embodiment is connected with the guide rail sliding block 3 through the radial bearing 7, the stator of the torque motor 13 is arranged on the inner side of the guide rail sliding block 3, and the feeding system drives the rotary table to do linear motion, so that a composite feeding system integrated with a high-precision rotary table is formed; the problem of current compound feeding system precision poor, revolving stage and feed shaft independent design lead to the size big is solved. The integrated device can be widely applied to various high-precision machining centers and ultra-precision detection equipment.
Example 2:
as shown in fig. 1 and 2, in the present embodiment, based on embodiment 1, the width of the worktable 6 is the same as that of the base 2, the outer sides of the side guide rail 4 and the upper guide rail 5 are flush with the outer side of the base 2, and the worktable 6 is disposed above the upper guide rail 5; the encoder mounting seat 12 is connected with the guide rail sliding block 3 through a connecting plate 14, and two ends of the connecting plate 14 are respectively connected with the guide rail sliding block 3 and the encoder mounting seat 12 through bolts; the upper end surface of the base 2 is downwards recessed to form a mounting groove, the driving assembly 1 is arranged in the mounting groove, and the lower parts of the encoder mounting seat 12 and the torque motor 13 are arranged in the mounting groove; the upper end and the lower end of the rotating shaft 8 are respectively connected with the workbench 6 and the lower thrust plate 9 through bolts, the radial bearing 7 is connected with the guide rail slider 3 through bolts, and the upper end and the lower end of the side guide rail bar 4 are respectively connected with the upper guide rail bar 5 and the base 2 through bolts; an inner U-shaped structure is formed among the side guide rail bar 4, the upper guide rail bar 5 and the base 2, the guide rail slider 3 is arranged in the inner U-shaped structure, and the inner side of the guide rail slider 3 protrudes out of the inner side of the upper guide rail bar 5; the rotating shaft 8, the workbench 6 and the lower thrust plate 9 form an outer U-shaped structure, the radial bearing 7 is arranged in the outer U-shaped structure, the upper end face of the lower thrust plate 9 is flush with the upper end face of the guide rail sliding block 3, and the lower end face of the radial bearing 7 and the upper end face of the lower thrust plate 9 are in contact with the upper end face of the guide rail sliding block 3.
In this embodiment, the overall size is further reduced and the space is saved by optimizing the shapes and sizes of the components.
Example 3:
as shown in fig. 1 and fig. 2, in the present embodiment, based on embodiment 1, a grating scale 15 is disposed on an outer wall of the table 6 in the feeding direction, and a protective cover 16 is cooperatively disposed on the driving assembly 1.
In this embodiment, the rotary table uses the high-precision encoder 11 for feedback, and the linear drive measures the feedback through the grating scale 15, thereby forming a high-precision feedback system and further improving the feedback precision.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (10)

1. The composite feeding system comprises a rotary table and a feeding system, and is characterized in that the rotary table comprises a workbench (6), a radial bearing (7), a rotating shaft (8), a lower thrust plate (9), an encoder (11) and a torque motor (13), the upper end and the lower end of the rotating shaft (8) are respectively connected with the workbench (6) and the lower thrust plate (9), the radial bearing (7) is arranged on the outer wall of the rotating shaft (8) and arranged between the workbench (6) and the lower thrust plate (9), an encoder shaft (10) of the encoder (11) is connected with the bottom of the lower thrust plate (9), a rotor of the torque motor (13) is connected with the bottom of the lower thrust plate (9), and static pressure cavities are formed in the upper end face, the lower end face and the inner side face of the radial bearing (7); the feeding system comprises a base (2), a guide rail slider (3), a side guide rail bar (4) and an upper guide rail bar (5), wherein the upper end face of the base (2) is symmetrically provided with 2 side guide rail bars (4), the top of each side guide rail bar (4) is connected with the upper guide rail bar (5), the guide rail slider (3) is arranged on the inner side of each side guide rail bar (4) and is arranged between the upper guide rail bar (5) and the base (2), the upper end face, the lower end face and the inner side face of the guide rail slider (3) are respectively provided with a static pressure cavity, a stator of a torque motor (13) is connected with the guide rail slider (3), the top of the guide rail slider (3) is connected with a radial bearing (7), the inner side wall of the guide rail slider (3) is connected with an encoder mounting seat (12) of an encoder (11), the encoder (11) and the torque motor (13) are both arranged on the inner side of, the guide rail sliding block (3) is driven by the driving component (1).
2. A compound feeding system according to claim 1, wherein the width of the table (6) corresponds to the width of the base (2), the outer sides of the side guide rails (4) and the upper guide rails (5) are flush with the outer side of the base (2), and the table (6) is arranged above the upper guide rails (5).
3. The compound feeding system according to claim 1, wherein the encoder mounting seat (12) is connected with the guide rail sliding block (3) through a connecting plate (14), and two ends of the connecting plate (14) are respectively connected with the guide rail sliding block (3) and the encoder mounting seat (12) through bolts.
4. A compound feeding system according to claim 1, wherein the upper end surface of the base (2) is recessed downwards to form a mounting groove, the driving assembly (1) is arranged in the mounting groove, and the lower parts of the encoder mounting seat (12) and the torque motor (13) are arranged in the mounting groove.
5. A compound feeding system according to claim 1, wherein the upper and lower ends of the rotating shaft (8) are connected with the working table (6) and the lower thrust plate (9) respectively through bolts, the radial bearing (7) is connected with the guide rail slider (3) through bolts, and the upper and lower ends of the side guide rail bar (4) are connected with the upper guide rail bar (5) and the base (2) respectively through bolts.
6. A compound feed system according to claim 1, characterized in that the side guide rails (4), the upper guide rails (5) and the base (2) form an inner U-shaped structure, the guide sliders (3) are placed in the inner U-shaped structure, and the inner sides of the guide sliders (3) protrude from the inner sides of the upper guide rails (5).
7. A compound feed system according to claim 1, characterised in that the shaft (8), table (6) and lower thrust plate (9) form an outer U-shaped structure, the radial bearing (7) being placed inside the outer U-shaped structure.
8. A compound feeding system according to claim 1, characterised in that the outer wall of the table (6) is provided with a grating ruler (15) in the feeding direction.
9. A compound feeding system according to claim 1, characterised in that the drive assembly (1) is fitted with a protective cover (16).
10. A compound feed system as defined in any of claims 1-9, wherein the drive assembly (1) is a ball screw drive, a linear motor drive or a belt drive.
CN202010818586.8A 2020-08-14 2020-08-14 Composite feeding system Pending CN111922737A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010818586.8A CN111922737A (en) 2020-08-14 2020-08-14 Composite feeding system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010818586.8A CN111922737A (en) 2020-08-14 2020-08-14 Composite feeding system

Publications (1)

Publication Number Publication Date
CN111922737A true CN111922737A (en) 2020-11-13

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ID=73310382

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010818586.8A Pending CN111922737A (en) 2020-08-14 2020-08-14 Composite feeding system

Country Status (1)

Country Link
CN (1) CN111922737A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114274045A (en) * 2021-12-31 2022-04-05 南京理工大学 Novel composite feeding workbench for linear shaft and rotary shaft of precision machine tool

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114274045A (en) * 2021-12-31 2022-04-05 南京理工大学 Novel composite feeding workbench for linear shaft and rotary shaft of precision machine tool
CN114274045B (en) * 2021-12-31 2023-04-28 南京理工大学 Composite feeding workbench of linear shaft and rotary shaft of precision machine tool

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