CN113996836A - Roots vacuum pump rotor machining equipment and process - Google Patents

Roots vacuum pump rotor machining equipment and process Download PDF

Info

Publication number
CN113996836A
CN113996836A CN202111361326.3A CN202111361326A CN113996836A CN 113996836 A CN113996836 A CN 113996836A CN 202111361326 A CN202111361326 A CN 202111361326A CN 113996836 A CN113996836 A CN 113996836A
Authority
CN
China
Prior art keywords
rotor
group
probe
platform
drill
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.)
Granted
Application number
CN202111361326.3A
Other languages
Chinese (zh)
Other versions
CN113996836B (en
Inventor
唐兴鹏
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.)
Weigule Vacuum Equipment Zhejiang Co ltd
Original Assignee
Weigule Vacuum Equipment Zhejiang Co ltd
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 Weigule Vacuum Equipment Zhejiang Co ltd filed Critical Weigule Vacuum Equipment Zhejiang Co ltd
Priority to CN202111361326.3A priority Critical patent/CN113996836B/en
Priority to PCT/CN2021/133324 priority patent/WO2023087361A1/en
Publication of CN113996836A publication Critical patent/CN113996836A/en
Application granted granted Critical
Publication of CN113996836B publication Critical patent/CN113996836B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B41/00—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B35/00—Methods for boring or drilling, or for working essentially requiring the use of boring or drilling machines; Use of auxiliary equipment in connection with such methods
    • 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
    • B23Q17/22—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring existing or desired position of tool or work
    • 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
    • B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02—Devices 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
    • B23Q3/06—Work-clamping means
    • B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)

Abstract

The invention relates to the technical field of Roots vacuum pump rotor processing, in particular to Roots vacuum pump rotor processing equipment and a Roots vacuum pump rotor processing technology, wherein the Roots vacuum pump rotor processing equipment comprises an installation support group, a drill hole group and a positioning probe group; the mounting bracket group is used for loading a rotor to be drilled and processed, and the rotating shaft is rotatably mounted on the mounting bracket group; the drilling group is arranged beside the mounting support group and is used for drilling and processing the mark points on the rotor block; the positioning probe group is arranged between the rotor and the drilling group, the positioning probe group swings along with the rotation of the rotor, and the marking points to be drilled on the rotor are positioned, so that the drilling group drills the rotor block along the radial direction of the rotor block, the more attached rotor is in a dynamic balance rotation test, the rotation state of the rotor reduces the number of times of material taking of the rotor during drilling, and the stability of the rotor is improved.

Description

Roots vacuum pump rotor machining equipment and process
Technical Field
The invention relates to the technical field of Roots vacuum pump rotor machining, in particular to Roots vacuum pump rotor machining equipment and process.
Background
The Roots vacuum pump is a rotary fluid machine, and 2 Roots rotors capable of mutually corrupting perform synchronous opposite-direction double-rotation movement to generate vacuum at a suction end to form pressure difference, so that gas suction and discharge are realized. The balance of the Roots rotor in the rotation process and the sealing performance and the operating efficiency of the Roots vacuum pump have great influence.
As shown in fig. 1 and 2, in the processing process of a rotor of an existing roots vacuum pump, a dynamic balance test of rotation of the rotor is required, it is ensured that the rotor does not shake during the rotation process, and the rotor with unqualified dynamic balance test can find out unbalanced parts on the rotor through the test, and the rotor is enabled to obtain the rotating dynamic balance again through a mode of drilling the rotor block of the rotor, but when the rotor block is drilled and processed by the existing processing equipment, the direction of the drilling and material taking of the existing processing equipment can also affect the dynamic balance processing of the rotor, so that technicians need to repeatedly drill the rotor to take materials, thereby ensuring the dynamic balance characteristic of the rotor, causing multiple times of drilling and material taking, and damaging and affecting the structural strength of the rotor.
Chinese patent with application number CN201520010348.9 discloses a three-blade rotor boring clamp of a Roots pump, which comprises a clamp body, a workbench for mounting the clamp body, and a boring bar which is erected on the clamp body and is provided with a boring cutter at the end part, wherein the clamp body moves linearly on the workbench; the fixture body comprises two thick vertical plates which are arranged in parallel, mounting holes for mounting the three-blade rotor shaft heads and supporting holes for mounting the boring rods are formed in the thick vertical plates, T-shaped clamping heads for tightly pressing and fixing the three-blade rotor shaft heads are mounted on the thick vertical plates, and two radial clamping devices are symmetrically arranged on the fixture body on two sides of the three-blade rotor; one side of the workbench is provided with a fixing plate, a bearing is arranged in the fixing plate, the outer side of the bearing is connected with a gear set, and the inner side of the bearing is connected with a universal joint connected with the end part of the boring rod.
However, in the above technical solution, the problem of reducing the times of material taking for the rotor when the rotor block is drilled and material taking processing and the rotor is balanced dynamically cannot be solved.
Disclosure of Invention
Aiming at the problems, the invention provides Roots vacuum pump rotor processing equipment and a Roots vacuum pump rotor processing technology, when the rotor is subjected to drilling, material taking and adjusting to correct the dynamic balance characteristic of rotor processing, the drilling direction of a drilling group is adjusted and pointed through a positioning probe group every time the rotor is drilled and material taking processing is carried out, so that the drilling group is drilled and material taken along the radial direction of a rotor block every time the rotor block is drilled and material taken, and the rotor is more attached to the rotating state when the rotor is subjected to dynamic balance rotation test, the number of times of rotor drilling and material taking is reduced, and the stability of the rotor is improved.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a roots vacuum pump rotor processing equipment, its is used for carrying out drilling process to the rotor, and this rotor comprises the rotor block that pivot and symmetry set up, the through-hole has been seted up on the axis of rotor block, and roots vacuum pump rotor processing equipment includes:
the mounting bracket group, the drill hole group and the positioning probe group are arranged;
the mounting bracket group is used for loading the rotor to be drilled and processed, and the rotating shaft is rotatably mounted on the mounting bracket group;
the drilling group is arranged beside the mounting support group and is used for drilling and processing the mark points on the rotor block;
the positioning probe group is arranged between the rotor and the drill hole group, and the positioning probe group swings along with the rotation of the rotor to position a mark point to be drilled on the rotor, so that the drill hole group drills the rotor block along the radial direction of the rotor block.
As an improvement, the mounting bracket group comprises a bracket and a support column group;
the two axial ends of the rotating shaft are rotatably arranged on the bracket;
the supporting column group is arranged on the support, is arranged in a telescopic adjusting mode and is used for supporting and fixing the rotor block.
As an improvement, the support is provided with a locking piece, the locking piece is used for locking the rotating shaft on the support, and the locking piece and the support are detachably arranged through a threaded piece.
As an improvement, a rotating module for driving the rotor to rotate and adjust is installed on the support and comprises a sleeve and a hand wheel;
the sleeve is sleeved with the rotating shaft, a threaded fastener for fixedly connecting the sleeve and the rotating shaft is arranged on the sleeve, the sleeve is arranged on the support through a vertical plate, and the sleeve and the vertical plate can be slidably adjusted;
the hand wheel is fixedly connected with the sleeve, and the hand wheel drives the rotating shaft to rotate through the sleeve.
As an improvement, the positioning probe group comprises a probe, a swing arm, a platform and a positioning bracket;
the probe is arranged on the swing arm, is adjusted and arranged along the axial direction of the rotor in a sliding mode and is used for positioning a mark point to be drilled on the rotor block;
one end of the swing arm is sleeved on a through hole of the rotor block to be drilled, the other end of the swing arm is detachably connected with the platform, and the platform is driven to be adjusted through the swing arm when the rotor rotates;
the platform is slidably mounted on the positioning support, the other end of the platform, which is not connected with the swing arm, is slidably mounted on the positioning support through a sliding block set, and the platform is rotatably mounted on a sliding block of the sliding block set.
As an improvement, a light supplement lamp is installed on the probe and irradiates the probe, so that the probe is projected on the platform, and scales are drawn on the platform.
As an improvement, an avoiding adjusting groove for upward sliding adjustment of the probe is installed on the swing arm, the probe is located at the bottom of the avoiding adjusting groove and points to the central axis of the rotor block to be drilled, and the probe is located at the top of the avoiding adjusting groove and avoids the drill hole group.
As an improvement, a pneumatic spring set and a support arm set for supporting the platform are installed below the platform and the swing arm, the pneumatic spring set is installed between the platform and the positioning support, the support arm set is adjusted in a telescopic mode, and the support arm set supports the platform.
As an improvement, the drill hole group comprises a drill, a transverse moving module and a longitudinal moving module;
the drill is arranged on the transverse moving module, the drill is adjusted by the transverse moving module along the axial direction of the rotating shaft in a moving way, and the drill and the probe in working are positioned on the same horizontal plane;
the transverse moving module is arranged on the longitudinal moving module, and the longitudinal moving module drives the drill to move towards the rotor block.
A machining process of rotor machining equipment of a Roots vacuum pump based on any one of the preceding claims comprises the following steps:
step one, rotor mounting, namely mounting the rotor on a bracket of a mounting bracket group, rotatably mounting two ends of a rotating shaft of the rotor on the bracket through locking blocks, and sleeving the rotating shaft through a sleeve to complete the connection of the rotor and a hand wheel;
step two, mounting a positioning probe, sleeving a swing arm in the positioning probe group on a through hole of a rotor block to be drilled, and mounting and connecting the swing arm with the platform;
step three, swing positioning, namely driving the rotor to rotate and swing through a rotating hand wheel to enable a marking point of a part to be drilled on the rotor to be aligned with a probe in the positioning probe group, and recording the scale position of the probe on the platform through illumination of a light supplement lamp;
locking, namely movably adjusting a support column group below the rotor and a support arm group below the platform to complete support locking of the rotor and the platform;
adjusting the rotor, fixing the probe after the probe moves upwards along the avoidance adjusting groove on the swing arm, and fixedly installing the drill on a sliding seat of the transverse moving module after the drill is aligned with the scale position of the probe recorded before through adjustment of the transverse moving module on the drilling group;
and step six, drilling, namely starting the longitudinal moving module to enable the drill to move towards the rotor, and processing the rotor block to be drilled.
The invention has the beneficial effects that:
(1) according to the rotor dynamic balance testing device, when the dynamic balance characteristic of rotor machining is corrected through drilling material taking adjustment on the rotor, the drilling direction of the drill hole group is adjusted and pointed through the positioning probe group every time the rotor is drilled and the material is taken, so that the drill hole group performs drilling and material taking along the radial direction of the rotor block every time the rotor block is drilled and the material is taken, the rotor is more attached to the rotating state when the rotor performs dynamic balance rotation testing, the number of times of drilling and material taking of the rotor is reduced, and the stability of the rotor is improved;
(2) according to the invention, through the arranged probe, the marking point on the rotor is pointed by the probe, the scale position of the marking point is recorded in cooperation with the marking of the scale, then the drill hole group is moved to the corresponding scale position, the radial drilling and material taking of the position of the marking point on the rotor block by the drill hole group are completed, and the drilling precision is packaged;
(3) according to the invention, the platform is adjusted along with the inclination angle of the probe by arranging the platform in the positioning probe group, so that the drilling group can accurately drill along with the direction of the probe through the platform, and after the platform is adjusted, the lower part of the platform can be strongly supported, so that the stability of drilling, material taking and processing is ensured.
In conclusion, the invention has the advantages of high processing precision, less processing times, high stability and the like, and is particularly suitable for the technical field of Roots vacuum pump rotor processing.
Drawings
FIG. 1 is a schematic view of a conventional rotor drilling material-taking method;
FIG. 2 is a schematic view of a rotor drilling material take-out mode according to the present invention;
FIG. 3 is a schematic perspective view of a rotor according to the present invention;
FIG. 4 is a schematic perspective view of a first embodiment of the present invention;
FIG. 5 is a perspective view of the mounting bracket assembly of the present invention;
FIG. 6 is an enlarged view of the structure at A in FIG. 5;
FIG. 7 is a schematic perspective view of a second embodiment of the present invention;
FIG. 8 is a schematic perspective view of a positioning probe set according to the present invention;
FIG. 9 is a schematic perspective view of a second exemplary positioning probe set according to the present invention;
FIG. 10 is a perspective view of the swing arm of the present invention;
FIG. 11 is a schematic cross-sectional view of the processing apparatus of the present invention;
FIG. 12 is a schematic perspective view of a drill hole set according to the present invention;
FIG. 13 is a schematic process flow diagram of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention. 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 of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Example one
As shown in fig. 3 to 12, a roots vacuum pump rotor machining apparatus for drilling a rotor 100, the rotor 100 is composed of a rotating shaft 101 and symmetrically arranged rotor blocks 102, the axis of the rotor block 102 is provided with a through hole 103, the roots vacuum pump rotor machining apparatus includes:
the mounting bracket group 1, the drill hole group 2 and the positioning probe group 3;
the mounting bracket group 1 is used for loading the rotor 100 to be drilled and processed, and the rotating shaft 101 is rotatably mounted on the mounting bracket group 1;
the drilling group 2 is arranged beside the mounting support group 1, and the drilling group 2 is used for drilling and processing the mark points on the rotor block 102;
the positioning probe set 3 is installed between the rotor 100 and the drill hole set 2, and the positioning probe set 3 swings with the rotation of the rotor 100 to position a mark point to be drilled on the rotor 100, so that the drill hole set 2 drills the rotor block 102 along the radial direction of the rotor block 102.
Further, the mounting bracket set 1 includes a bracket 11 and a support column set 12;
the two axial ends of the rotating shaft 101 are rotatably mounted on the bracket 11;
the support column set 12 is installed on the bracket 11, the support column set 12 is adjusted in a telescopic manner, and the support column set 12 is used for supporting and fixing the rotor block 102.
Furthermore, a locking block 111 is disposed on the bracket 11, the locking block 111 is used for locking the rotating shaft 101 on the bracket 11, and the locking block 111 and the bracket 11 are detachably mounted by a screw.
It should be noted that, the rotor 100 is firstly mounted on the mounting bracket set 1, during the mounting process, the rotating shaft 101 of the rotor 100 is erected on the bracket 11, and the rotating shaft 101 is locked on the bracket 11 by the locking block 111, so that the rotating shaft 101 can still rotate freely.
Preferably, the bracket 11 is provided with a rotating module 13 for driving the rotor 100 to rotate, and the rotating module 13 includes a sleeve 131 and a hand wheel 132;
the sleeve 131 is sleeved with the rotating shaft 101, a threaded fastener 133 for fixedly connecting the sleeve 131 with the rotating shaft 101 is arranged on the sleeve 131, the sleeve 131 is mounted on the bracket 11 through an upright plate 130, and the sleeve 131 and the upright plate 130 can be slidably adjusted;
the hand wheel 132 is fixedly connected with the sleeve 131, and the hand wheel 132 drives the rotating shaft 101 to rotate through the sleeve 131.
It should be noted that, after the rotating shaft 101 is completely assembled, the sleeve 131 is completely sleeved with the rotating shaft 101, and the rotating shaft 101 is connected with the sleeve 131 through the threaded fastener 133, so that the hand wheel 132 drives the rotor 100 to rotate and adjust when rotating.
As a preferred embodiment, the positioning probe set 3 comprises a probe 31, a swing arm 32, a platform 33 and a positioning bracket 34;
the probe 31 is mounted on the swing arm 32, and the probe 31 is slidably adjusted along the axial direction of the rotor 100 and is used for positioning a mark point to be drilled on the rotor block 102;
one end of the swing arm 32 is sleeved on a through hole 103 of the rotor block 102 to be drilled, the other end of the swing arm 32 is detachably connected with the platform 33, and the swing arm 32 drives the platform 33 to adjust when the rotor 100 rotates;
the platform 33 is slidably mounted on the positioning bracket 34, the other end of the platform 33, which is not connected with the swing arm 32, is slidably mounted on the positioning bracket 34 through a slider group 35, and the platform 33 is rotatably mounted on a slider of the slider group 35.
Further, a light supplement lamp 311 is installed on the probe 31, and the light supplement lamp 311 irradiates the probe 31, so that the probe 31 is projected on the platform 33, and scales 331 are drawn on the platform 33.
Furthermore, an avoiding adjustment groove 332 for the probe 31 to slide upwards is installed on the swing arm 32, when the probe 31 is located at the bottom of the avoiding adjustment groove 332, the probe 31 points to the central axis of the rotor block 102 to be drilled, and when the probe 31 is located at the top of the avoiding adjustment groove 332, the drilling group 2 is avoided.
In addition, a pneumatic spring set 36 and a support arm set 37 for supporting the platform 33 are installed below the platform 33 and the swing arm 32, the pneumatic spring set 36 is installed between the platform 33 and the positioning bracket 34, the support arm set 37 is telescopically adjusted, and the support arm set 37 supports the platform 33.
It should be noted that the swing arm 32 in the positioning probe group 3 is sleeved on the through hole 103 of the rotor block 102 to be drilled, the swing arm 32 is connected to the platform 33, the rotor 100 is driven to swing rotationally by the rotating hand wheel 132, so that the marking point of the position to be drilled on the rotor 100 is aligned with the probe 31 in the positioning probe group 3, the scale position of the probe 31 on the platform 33 is recorded by the illumination of the light supplement lamp 311, the support column group 12 below the rotor 100 and the support arm group 37 below the platform 33 are adjusted in a moving manner, and the support and locking of the rotor 100 and the platform 33 are completed.
As a preferred embodiment, the drill hole group 2 comprises a drill 21, a transverse moving module 22 and a longitudinal moving module 23;
the drill 21 is mounted on the transverse moving module 22, the drill 21 is adjusted by the transverse moving module 22 along the axial direction of the rotating shaft 101, and the drill 21 and the probe 31 in operation are positioned on the same horizontal plane;
the transverse moving module 22 is mounted on the longitudinal moving module 23, and the longitudinal moving module 23 drives the drill 21 to move toward the rotor block 102.
Further, the transverse moving module 22 is preferably a slider module, the longitudinal moving module 23 is preferably a combination of a slider module and a motor lead screw module, the motor lead screw module drives a slider in the slider module to slide, so that the drill 21 moves towards the rotor 100, the drill 21 is an electric drilling device, the drill 21 drills and takes materials for the rotor, and during drilling, a drill bit of the drill 21 drills holes at the mark along the radial direction of the mark of the rotor block 102.
After the probe 31 is moved upward along the avoidance adjustment groove 332 on the swing arm 32, the probe 31 is fixed, the drill 21 is aligned with the previously recorded scale position of the probe 31 by the adjustment of the transverse movement module 22 on the drill group 2, the drill 21 is fixed on the sliding seat 221 of the transverse movement module 22, the longitudinal movement module 23 is started, the drill 21 is moved toward the rotor 100, and the rotor block 102 to be drilled is processed.
Further, the drill 21 and the probe 31 are located on the same horizontal plane, and when the drill 21 is moved to reach the position of the probe 31 before, and the probe 31 is aligned with the mark point, it is always ensured that the probe 31 points to the axis of the rotor block 102, and the effect that the drill 21 directly faces the mark point to perform radial drilling and material taking is also ensured, so that the material taking at redundant positions is avoided, and the original balance is damaged.
Example two
As shown in fig. 13, a second embodiment of the present invention will be described with reference to the first embodiment, wherein the second embodiment of the present invention is based on a machining process of roots vacuum pump rotor machining equipment, and the process includes:
step one, rotor mounting, namely mounting the rotor 100 on a bracket 11 of a mounting bracket group 1, rotatably mounting two ends of a rotating shaft 101 of the rotor 100 on the bracket 11 through a locking block 111, and sleeving the rotating shaft 101 through a sleeve 131 to complete connection of the rotor 100 and a hand wheel 132;
step two, mounting a positioning probe, sleeving a swing arm 32 in the positioning probe group 3 on a through hole 103 of a rotor block 102 to be drilled, and mounting and connecting the swing arm 32 and a platform 33;
step three, swing positioning, namely driving the rotor 100 to swing rotationally by rotating the hand wheel 132, so that the marking point of the part to be drilled on the rotor 100 is aligned with the probe 31 in the positioning probe group 3, and recording the scale position of the probe 31 on the platform 33 by the illumination of the light supplement lamp 311;
locking, namely movably adjusting the support column group 12 below the rotor 100 and the support arm group 37 below the platform 33 to complete the support locking of the rotor 100 and the platform 33;
step five, adjusting the rotor, moving the probe 31 upwards along the avoidance adjusting groove 332 on the swing arm 32, fixing the probe 31, adjusting the transverse moving module 22 on the drill hole group 2 to enable the drill 21 to align to the previously recorded scale position of the probe 31, and then fixedly installing the drill 21 on the sliding seat 221 of the transverse moving module 22;
and step six, drilling, namely starting the longitudinal moving module 23 to enable the drill 21 to move towards the rotor 100, and processing the rotor block 102 to be drilled.
It should be noted that, in the first step, after the rotor 100 is mounted on the bracket 11, the rotor 100 may be driven to rotate by the rotation of the rotating hand wheel 132, so as to switch the position of the mark point, which is convenient for aligning with the drill 21.
It is further noted that in steps two to three, through hole 103 on rotor block 102 is used as a reference, through hole 103 is provided on the axis of corresponding rotor block 102, probe 31 is mounted, and by rotation of rotor 100, probe 31 can be aligned with the marking point and leave a scale record on platform 33 as a reference for subsequent adjustment of drill 21.
It should be further noted that the drill 21 and the probe 31 during operation are located on the same horizontal plane, after the probe 31 focuses on the mark point, the drill 21 is also located on the same horizontal plane as the mark point, and in the process of adjusting the rotational swing of the rotor 100, the probe 31 rotationally swings around the through hole 103, that is, the direction pointed by the probe 31 is always the axis of the through hole 103, which ensures that the drill 21 performs drilling processing on the rotor block 102 along the platform 33, and performs moving processing along the radial direction of the rotor block 102, which ensures that when the drill 21 performs drilling and material taking on the rotor block 102, the package performs drilling along the radial direction of the rotor block 102, and does not reach other parts, which does not result in the balance of the other parts being destroyed after each drilling of the rotor block 102.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. The utility model provides a roots vacuum pump rotor machining equipment, its is used for carrying out drilling process to rotor (100), and this rotor (100) comprises rotor block (102) that pivot (101) and symmetry set up, through-hole (103) have been seted up on the axis of rotor block (102), its characterized in that roots vacuum pump rotor machining equipment includes:
the drilling device comprises a mounting bracket group (1), a drilling group (2) and a positioning probe group (3);
the mounting bracket group (1) is used for loading the rotor (100) to be drilled and processed, and the rotating shaft (101) is rotatably mounted on the mounting bracket group (1);
the drill hole group (2) is arranged beside the mounting support group (1), and the drill hole group (2) is used for drilling and processing the mark points on the rotor block (102);
the positioning probe group (3) is arranged between the rotor (100) and the drilling group (2), and the positioning probe group (3) swings along with the rotation of the rotor (100) to position a mark point to be drilled on the rotor (100) so that the drilling group (2) drills the rotor block (102) along the radial direction of the rotor block (102).
2. The roots vacuum pump rotor machining apparatus as claimed in claim 1, wherein:
the mounting bracket group (1) comprises a bracket (11) and a support column group (12);
the two axial ends of the rotating shaft (101) are rotatably arranged on the bracket (11);
the supporting column group (12) is installed on the support (11), the supporting column group (12) is arranged in a telescopic adjusting mode, and the supporting column group (12) is used for supporting and fixing the rotor block (102).
3. The roots vacuum pump rotor machining apparatus as claimed in claim 2, wherein:
the locking device is characterized in that a locking block (111) is arranged on the support (11), the locking block (111) is used for locking the rotating shaft (101) on the support (11), and the locking block (111) and the support (11) are detachably arranged through a threaded piece.
4. The roots vacuum pump rotor machining apparatus as claimed in claim 2, wherein:
a rotating module (13) for driving the rotor (100) to rotate and adjust is mounted on the support (11), and the rotating module (13) comprises a sleeve (131) and a hand wheel (132);
the sleeve (131) is sleeved with the rotating shaft (101), a threaded fastener (133) for fixedly connecting the sleeve (131) and the rotating shaft (101) is arranged on the sleeve (131), the sleeve (131) is mounted on the bracket (11) through a vertical plate (130), and the sleeve (131) and the vertical plate (130) can be slidably adjusted;
the hand wheel (132) is fixedly connected with the sleeve (131), and the hand wheel (132) drives the rotating shaft (101) to rotate through the sleeve (131).
5. The roots vacuum pump rotor machining apparatus as claimed in claim 1, wherein:
the positioning probe group (3) comprises a probe (31), a swing arm (32), a platform (33) and a positioning bracket (34);
the probe (31) is arranged on the swing arm (32), and the probe (31) is arranged along the axial direction of the rotor (100) in a sliding adjustment mode and used for positioning a mark point to be drilled on the rotor block (102);
one end of the swing arm (32) is sleeved on a through hole (103) of the rotor block (102) to be drilled, the other end of the swing arm (32) is detachably connected with the platform (33), and the platform (33) is driven to be adjusted through the swing arm (32) when the rotor (100) rotates;
the platform (33) is slidably mounted on the positioning support (34), the other end of the platform (33), which is not connected with the swing arm (32), is slidably mounted on the positioning support (34) through a sliding block set (35), and the platform (33) is rotatably mounted on a sliding block of the sliding block set (35).
6. The roots vacuum pump rotor machining apparatus of claim 5, wherein:
a light supplement lamp (311) is installed on the probe (31), the light supplement lamp (311) irradiates the probe (31), the probe (31) is projected on the platform (33), and scales (331) are drawn on the platform (33).
7. The roots vacuum pump rotor machining apparatus of claim 5, wherein:
install the confession on swing arm (32) dodge adjustment tank (332) that regulation was adjusted in probe (31) upwards sliding, probe (31) are located when dodging the bottom of adjustment tank (332), the axis of the rotor piece (102) of this probe (31) directional processing of waiting to drill, probe (31) are located when dodging the top of adjustment tank (332), dodge drill group (2).
8. The roots vacuum pump rotor machining apparatus of claim 7, wherein:
platform (33) with swing arm (32) erection joint's below is installed and is used for supporting pneumatic spring group (36) and support arm group (37) of this platform (33), pneumatic spring group (36) install in platform (33) with between locating support (34), support arm group (37) flexible regulation setting, this support arm group (37) support platform (33).
9. The roots vacuum pump rotor machining apparatus of claim 5, wherein:
the drill hole group (2) comprises a drill (21), a transverse moving module (22) and a longitudinal moving module (23);
the drill (21) is arranged on the transverse moving module (22), the drill (21) is adjusted by the transverse moving module (22) along the axial direction of the rotating shaft (101), and the drill (21) and the probe (31) in operation are positioned on the same horizontal plane;
the transverse moving module (22) is mounted on the longitudinal moving module (23), and the longitudinal moving module (23) drives the drill (21) to move towards the rotor block (102).
10. A machining process of rotor machining equipment of a roots vacuum pump based on any one of the above 1-9, which is characterized by comprising the following steps:
step one, rotor mounting, namely mounting a rotor (100) on a bracket (11) of a mounting bracket group (1), rotatably mounting two ends of a rotating shaft (101) of the rotor (100) on the bracket (11) through a locking block (111), and sleeving the rotating shaft (101) through a sleeve (131) to complete the connection of the rotor (100) and a hand wheel (132);
step two, installing a positioning probe, sleeving a swing arm (32) in the positioning probe group (3) on a through hole (103) of a rotor block (102) to be drilled, and installing and connecting the swing arm (32) and a platform (33);
thirdly, swinging and positioning, namely driving the rotor (100) to swing rotationally by rotating the hand wheel (132), so that a marking point of a part to be drilled on the rotor (100) is aligned with the probe (31) in the positioning probe set (3), and recording the scale position of the probe (31) on the platform (33) through illumination of the light supplement lamp (311);
fourthly, locking, namely movably adjusting a support column group (12) below the rotor (100) and a support arm group (37) below the platform (33) to complete the support locking of the rotor (100) and the platform (33);
fifthly, adjusting the rotor, moving the probe (31) upwards along an avoidance adjusting groove (332) on the swing arm (32), fixing the probe (31), and fixing the drill (21) on a sliding seat (221) of a transverse moving module (22) after aligning the drill (21) with the previously recorded scale position of the probe (31) through adjustment of the transverse moving module (22) on the drill group (2);
and sixthly, drilling, namely starting a longitudinal moving module (23) to enable the drill (21) to move towards the rotor (100) and process the rotor block (102) to be drilled.
CN202111361326.3A 2021-11-17 2021-11-17 Roots vacuum pump rotor machining equipment and process Active CN113996836B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202111361326.3A CN113996836B (en) 2021-11-17 2021-11-17 Roots vacuum pump rotor machining equipment and process
PCT/CN2021/133324 WO2023087361A1 (en) 2021-11-17 2021-11-26 Roots vacuum pump rotor machining equipment and process

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111361326.3A CN113996836B (en) 2021-11-17 2021-11-17 Roots vacuum pump rotor machining equipment and process

Publications (2)

Publication Number Publication Date
CN113996836A true CN113996836A (en) 2022-02-01
CN113996836B CN113996836B (en) 2022-09-20

Family

ID=79929337

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111361326.3A Active CN113996836B (en) 2021-11-17 2021-11-17 Roots vacuum pump rotor machining equipment and process

Country Status (2)

Country Link
CN (1) CN113996836B (en)
WO (1) WO2023087361A1 (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT8023397A0 (en) * 1979-07-14 1980-07-11 Stumpp & Kurz Gmbh & C REAMER TOOL.
CN204397420U (en) * 2015-01-08 2015-06-17 江阴爱尔姆真空设备有限公司 Lobe pump three lobe rotor boring jig
CN111299652A (en) * 2020-04-09 2020-06-19 浙江中德自控科技股份有限公司 Valve machining device
CN210967124U (en) * 2019-12-03 2020-07-10 浙江创为真空设备股份有限公司 Special processing boring jig for rotor of roots pump
CN112264644A (en) * 2020-10-29 2021-01-26 新昌县韵母电子有限公司 Drilling machine device capable of controlling drilling size and drilling position
EP3848139A1 (en) * 2020-01-08 2021-07-14 Siemens Aktiengesellschaft Drilling apparatus and method for drilling holes into discs of a rotor
CN214292761U (en) * 2020-12-30 2021-09-28 苏州沧海真空机械有限公司 Roots pump rotor processing frock

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4922603A (en) * 1986-04-18 1990-05-08 Dynamotion Corporation Drilling tool for very small diameter openings and container therefor
CN205817319U (en) * 2016-06-29 2016-12-21 上海宝镀真空设备科技有限公司 A kind of roots pump rotor precise-machining tool
CN206702622U (en) * 2017-04-14 2017-12-05 杭州邦维流体技术有限公司 A kind of fixture for roots rotor processing
CN108494155B (en) * 2018-06-14 2024-01-23 成都银河磁体股份有限公司 Dynamic balance adjustable rotor assembly and processing method
CN208773058U (en) * 2018-09-21 2019-04-23 江阴天田真空设备制造有限公司 A kind of roots pump rotor processing tool
CN212240135U (en) * 2020-06-01 2020-12-29 盐城市与龙真空设备制造有限公司 Adjustable stable form roots vacuum pump cover perforating device
CN213002797U (en) * 2020-08-03 2021-04-20 福晟五金塑胶（深圳）有限公司 Deep hole drilling equipment for drilling assembly holes of aluminum profile extruded products
CN113210664A (en) * 2021-05-26 2021-08-06 周俊璋 Screw pump rotor production manufacturing process

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT8023397A0 (en) * 1979-07-14 1980-07-11 Stumpp & Kurz Gmbh & C REAMER TOOL.
CN204397420U (en) * 2015-01-08 2015-06-17 江阴爱尔姆真空设备有限公司 Lobe pump three lobe rotor boring jig
CN210967124U (en) * 2019-12-03 2020-07-10 浙江创为真空设备股份有限公司 Special processing boring jig for rotor of roots pump
EP3848139A1 (en) * 2020-01-08 2021-07-14 Siemens Aktiengesellschaft Drilling apparatus and method for drilling holes into discs of a rotor
CN111299652A (en) * 2020-04-09 2020-06-19 浙江中德自控科技股份有限公司 Valve machining device
CN112264644A (en) * 2020-10-29 2021-01-26 新昌县韵母电子有限公司 Drilling machine device capable of controlling drilling size and drilling position
CN214292761U (en) * 2020-12-30 2021-09-28 苏州沧海真空机械有限公司 Roots pump rotor processing frock

Also Published As

Publication number Publication date
CN113996836B (en) 2022-09-20
WO2023087361A1 (en) 2023-05-25

Similar Documents

Publication Publication Date Title
CN112517962A (en) Positioning and drilling device for turbine parts
CN111375791A (en) Drilling equipment based on ball-milling iron casting processing usefulness
CN211978562U (en) Detection equipment for anchor rod shear test
CN113996836B (en) Roots vacuum pump rotor machining equipment and process
CN111946260B (en) Drill bit guiding and adjusting device
CN116100231A (en) Blade welding auxiliary tool of guide impeller
CN215468271U (en) Drilling equipment is used in palm production
CN212857847U (en) Circuit breaker is with rig device of boring quad slit
CN207746692U (en) A kind of drilling chamfering integrated processing device of axis
CN112247631A (en) Solid of revolution parts machining anchor clamps
CN207502103U (en) Unmanned plane testboard
CN218365039U (en) Rubber tube port cutting device
CN116979774B (en) Motor fan housing assembly equipment
CN213163142U (en) Multi-head adjustable fixture for drilling machine
CN220881086U (en) Welding machine for fan processing
CN221639811U (en) Laser welding mechanism of motor rotor
CN218253240U (en) Clamp for machining slewing bearing gear
CN221658610U (en) Profile steel frame web cut hole positioning tool
CN211276636U (en) Drilling clamp for multiple holes of main pipe beam
CN219427468U (en) Rotatory pad pasting mechanism
CN118150044B (en) Bench saw belt wheel detection device for ox bone cutting saw and detection method thereof
CN217570978U (en) Auxiliary positioning device for machining automobile chassis accessories
CN218201280U (en) Feeding device with width adjusting function
CN215393402U (en) Rotary positioning mechanism and explosion-proof piece welding system
CN220825040U (en) Multi-degree-of-freedom tool for coating outer frame of watch

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant