CN213135919U

CN213135919U - Groove milling tool for impeller of roots pump

Info

Publication number: CN213135919U
Application number: CN202022052986.0U
Authority: CN
Inventors: 周煜
Original assignee: Zibo Shuanghuan Vacuum Pump Factory
Current assignee: Zibo Shuanghuan Vacuum Pump Factory
Priority date: 2020-09-17
Filing date: 2020-09-17
Publication date: 2021-05-07
Anticipated expiration: 2030-09-17

Abstract

The application relates to a lobe pump impeller milling flutes frock, including the positioning seat, the positioning seat includes two locating pieces, two the locating piece sets up respectively at the leaf axle both ends, two all offer the constant head tank that is used for accepting the leaf axle on the locating piece, two the locating piece all is provided with the pressure components that are used for compressing tightly the leaf axle. The impeller is characterized in that the two ends of the impeller are respectively placed in the positioning grooves of the two positioning blocks, and the pressing assembly is utilized to fix the position of the impeller, so that the impeller is positioned, the milling machine can be kept away by workers after the workers start the milling machine, and the scraps generated during the machining of workpieces are not easy to splash on the bodies of the workers, so that the purpose of improving the operation safety of the workers is realized.

Description

Groove milling tool for impeller of roots pump

Technical Field

The application relates to the field of lobe pump impeller processing, especially relates to a lobe pump impeller milling flutes frock.

Background

The Roots blower is a positive displacement blower, has simple structure and convenient manufacture, is widely applied to aquaculture oxygenation, sewage treatment aeration and cement conveying, is more suitable for a gas conveying and pressurizing system in a low-pressure occasion, and can also be used as a vacuum pump and the like.

In the related art, as shown in fig. 1, an impeller 500 of a roots blower includes a blade 520 and a blade shaft 510, the blade 520 includes two lobes which are fixedly connected to form a "8" shape, and the blade shaft 510 is located at a central axis of the blade 520.

To facilitate installation of the impeller 500, a worker typically uses a milling machine to mill grooves into the surface of the shaft 510. When milling the groove, a workpiece is placed on the table 400 of the milling machine, and in order to prevent the blade shaft 510 from shaking during processing, a worker generally flattens the blade shafts 510 at the two ends of the impeller 500 by using the backing plate and presses the impeller 500, thereby processing the impeller 500.

In view of the above-mentioned related art, the inventor believes that there is a defect that a large amount of splashed scraps are generated when the milling machine processes the impeller 500, so that workers may be splashed by the scraps when the workers press the impeller 500, thereby lowering the work safety of the workers.

SUMMERY OF THE UTILITY MODEL

In order to improve staff's work security, this application provides a lobe pump impeller milling flutes frock.

The application provides a roots pump impeller milling flutes frock adopts following technical scheme:

the Roots pump impeller groove milling tool comprises a positioning seat, wherein the positioning seat comprises two positioning blocks, the two positioning blocks are respectively arranged at two ends of a blade shaft, positioning grooves for bearing the blade shaft are formed in the two positioning blocks, and the two positioning blocks are provided with compression assemblies for compressing the blade shaft.

Through adopting above-mentioned technical scheme, place the vane shaft both ends of impeller respectively in the constant head tank of two locating pieces, utilize to compress tightly the subassembly with vane shaft rigidity to realize the location of impeller position, thereby make the staff start the milling machine after, the staff can keep away from the milling machine, thereby make the work piece add man-hour the sweeps that produces difficult splash on staff's one's body, thereby realize improving the purpose of staff operational safety.

Preferably, the pressing assembly comprises a pressing plate and two pressing bolts, one end of the pressing plate is provided with a positioning hole with an open end, the other end of the pressing plate is provided with a clamping hole with an open end, the opening direction of the positioning hole and the opening direction included angle of the clamping hole are arranged, the opening of the positioning hole is located at the end part of the pressing plate and is connected with the two sides of the blade shaft through threads, the pressing plate is rotated after the positioning hole is connected with one of the pressing bolts, so that the clamping hole is connected with the other pressing bolt in a clamping mode, and the pressing plate is abutted to the blade shaft.

Through adopting above-mentioned technical scheme, place leaf axle both ends respectively behind the constant head tank, with the locating hole and one of them clamp bolt joint of pressure strip, then rotate the pressure strip for the joint hole and another clamp bolt joint of pressure strip rotate clamp bolt, make pressure bolt support pressure strip and leaf axle tightly, thereby accomplish the installation of pressure strip, realize the location of impeller.

Preferably, one side of the pressing plate close to the blade shaft is fixedly connected with a rubber plate.

Through adopting above-mentioned technical scheme, the setting up of rubber slab has increased the frictional force between pressure strip and the rachis to make the difficult emergence of rachis rotate, improved the stability that the rachis was processed man-hour.

Preferably, the two positioning blocks are connected with the workbench in a sliding mode along the directions close to or far away from each other.

Through adopting above-mentioned technical scheme, the locating piece is connected with sliding of workstation, and the staff of being convenient for adjusts the interval between two locating pieces according to the impeller size to make the milling flutes frock be applicable to the processing of not unidimensional impeller.

Preferably, a plurality of sliding grooves are formed in the workbench, each sliding groove is a T-shaped groove, a regulating hole is formed in the positioning block, a regulating bolt is arranged on the positioning block, a bolt head of the regulating bolt is located in the sliding groove, a screw of the regulating bolt penetrates out of the sliding grooves and the regulating hole, and a regulating nut is in threaded connection with one end of the regulating bolt, which penetrates out of the regulating hole.

Through adopting above-mentioned technical scheme, according to the impeller size locating piece that slides, rotate the regulation and control nut for positioning bolt moves to the direction of keeping away from the spout tank bottom under the regulation and control nut effect, and until regulation and control nut and spout lateral wall conflict, realize the locking of locating piece position, improved the stability that the locating piece supported the impeller.

Preferably, the locating piece is provided with a limiting rod, the limiting rod is connected with the locating piece in a sliding mode along the direction close to the center of the workbench, and the locating piece is provided with an adjusting assembly used for adjusting the sliding distance between the limiting rod and the locating piece.

Through adopting above-mentioned technical scheme, control adjusting part makes the gag lever post slide to the direction that is close to the impeller, contradicts until gag lever post and impeller lateral wall to make the impeller difficult emergence under the gag lever post effect rock, thereby the staff of being convenient for installs the pressure strip.

Preferably, the positioning block is provided with a sliding hole close to or far away from the impeller, and the limiting rod is arranged in the sliding hole and connected with the sliding hole in a sliding manner.

Through adopting above-mentioned technical scheme, spacing hole is connected with sliding of sliding hole, has realized the sliding connection of gag lever post and locating piece.

Preferably, the adjusting component comprises a positioning plate and an adjusting bolt, the limiting rod is connected with the positioning plate, and the adjusting bolt is rotatably connected with the positioning plate and is in threaded connection with the positioning block.

Through adopting above-mentioned technical scheme, rotate adjusting bolt to the position of change locating plate, thereby make the locating plate drive gag lever post slide to the direction of being close to or keeping away from the impeller, thereby the staff of being convenient for utilizes the gag lever post to fix a position the impeller.

Preferably, the limiting rod is connected with the positioning plate through a buffer spring.

Through adopting above-mentioned technical scheme, buffer spring's setting for after gag lever post and impeller supported, the staff can finely tune the impeller, so that the impeller level.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the two ends of the blade shaft of the impeller are respectively placed in the positioning grooves of the two positioning blocks, and the position of the blade shaft is fixed by the pressing assembly, so that the position of the impeller is positioned, and after a worker starts the milling machine, the worker can be far away from the milling machine, so that scraps generated during workpiece processing are not easy to splash on the body of the worker, and the purpose of improving the operation safety of the worker is realized;

2. the setting of compressing tightly the subassembly, the staff of being convenient for adjusts the pressure strip for the pressure strip is connected with clamp bolt, then rotates clamp bolt so that the pressure strip contradicts with the rachis, thereby realizes the installation of impeller.

Drawings

FIG. 1 is a drawing of the related art;

FIG. 2 is a schematic diagram of the overall structure of an embodiment of the present application;

fig. 3 is a schematic view of the entire structure of the pressure strip according to the embodiment of the present application.

Description of reference numerals: 100. positioning seats; 110. positioning blocks; 111. positioning a groove; 112. adjusting and controlling the bolt; 113. adjusting and controlling the nut; 114. a limiting rod; 115. a sliding hole; 200. a compression assembly; 210. a compression plate; 211. positioning holes; 212. a clamping hole; 220. a hold-down bolt; 300. an adjustment assembly; 310. positioning a plate; 311. a buffer spring; 320. adjusting the bolt; 400. a work table; 410. a chute; 500. an impeller; 510. a leaf shaft; 520. a blade.

Detailed Description

The present application is described in further detail below with reference to figures 2-3.

The embodiment of the application discloses lobe pump impeller milling flutes frock. Referring to fig. 2, the groove milling tool includes a positioning socket 100. The positioning base 100 includes two positioning blocks 110 disposed on the working table 400.

The workbench 400 is provided with a plurality of sliding grooves 410, the sliding grooves 410 are T-shaped grooves, the positioning block 110 is provided with two adjusting holes, and the positioning block 110 is provided with adjusting bolts 112 corresponding to the adjusting holes in number. The bolt head of the adjusting bolt 112 is located in the sliding groove 410, the screw rod of the adjusting bolt penetrates through the sliding groove 410 and the corresponding adjusting hole, an adjusting nut 113 is in threaded connection with one end of the adjusting bolt 112, which penetrates through the adjusting hole, and the adjusting nut 113 abuts against the side face, far away from the ground, of the positioning block 110. The regulating nut 113 is rotated to enable the regulating nut to be abutted against the side wall, far away from the ground, of the positioning block 110, and the regulating bolt 112 is abutted against the side wall, far away from the ground, of the sliding groove 410, so that the positioning block 110 is fixedly connected with the workbench 400, the regulating nut 113 is rotated to enable the abutting state between the regulating nut and the positioning block 110 to be relieved, and the two positioning blocks 110 slide towards the directions, close to or far away from each other, so that the change of the distance between the positioning blocks 110 is realized, and the groove milling tool is suitable for processing impellers of different sizes.

The two positioning blocks 110 are respectively located at two ends of the blade shaft, and positioning grooves 111 for receiving the blade shaft are formed in the two positioning blocks 110.

In order to improve the stability of the connection between the positioning blocks 110 and the blade shaft, the two positioning blocks 110 are provided with a pressing assembly 200 for pressing the blade shaft.

Referring to fig. 2 and 3, the compression assembly 200 includes a compression plate 210 and two compression bolts 220. One end of the pressing plate 210 is provided with a positioning hole 211 with an open end, and the other end is provided with a clamping hole 212 with an open end. The opening direction of the positioning hole 211 is perpendicular to the opening direction of the clamping hole 212, and the opening of the positioning hole 211 is located at the end of the pressing plate 210. The two compression bolts 220 are respectively located on two sides of the blade shaft and are in threaded connection with the positioning block 110, after the positioning hole 211 is clamped with one compression bolt 220, the compression plate 210 is rotated, so that the clamping hole 212 is clamped with the other compression bolt 220, and the compression plate 210 is abutted to the blade shaft.

In order to increase the friction between the pressure plate 210 and the blade shaft, a rubber plate is bonded to the side of the pressure plate 210 close to the blade shaft.

In order to facilitate the installation of the pressing plate 210 by the worker, the positioning block 110 is provided with a sliding hole 115 along the direction close to or away from the center of the worktable 400, a limiting rod 114 is arranged in the sliding hole 115, and the limiting rod 114 is connected with the sliding hole 115 in a sliding manner, so that the limiting rod 114 is tightly abutted against the impeller, and the impeller is not easy to shake.

The positioning block 110 is provided with an adjusting assembly 300 for adjusting the sliding distance between the limiting rod 114 and the positioning block 110. The positioning block 110 is provided with a sliding hole 115 along a direction close to or away from the impeller, and the limiting rod 114 is disposed in the sliding hole 115 and connected with the sliding hole 115 in a sliding manner.

The adjusting assembly 300 includes a positioning plate 310 and an adjusting bolt 320, wherein one end of the limiting rod 114, which is away from the impeller, is connected to the positioning plate 310 through a buffer spring 311, and the adjusting bolt 320 is rotatably connected to the positioning plate 310 and is in threaded connection with the positioning block 110. The adjusting bolt 320 is rotated, so that the adjusting bolt 320 drives the positioning plate 310 to move, and the buffer spring 311 drives the limiting rod 114 to slide along the sliding hole 115, thereby realizing the abutting of the limiting rod 114 and the impeller.

The implementation principle of the groove milling tool for the impeller of the roots pump in the embodiment of the application is as follows: the regulating nut 113 is rotated to release the interference state between the regulating nut and the positioning blocks 110, and the two positioning blocks 110 are slid in the direction of approaching or separating from each other, so that the distance between the two positioning blocks 110 is matched with the impeller. The two ends of the impeller are placed in the positioning grooves 111 of the two positioning blocks 110, and the adjusting bolt 320 is rotated to drive the positioning plate 310 to move, so that the limiting rod 114 moves towards the direction close to the impeller until the limiting rod 114 abuts against the impeller.

And finally, after the positioning hole 211 of the pressing plate 210 is clamped with one of the pressing bolts 220, the pressing plate 210 is rotated to clamp the clamping hole 212 with the other pressing bolt 220, and the pressing bolt 220 is rotated to tightly support the pressing plate 210 and the blade shaft, so that the impeller is fixed.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a lobe pump impeller milling flutes frock which characterized in that: the positioning device comprises a positioning seat (100), wherein the positioning seat (100) comprises two positioning blocks (110), the two positioning blocks (110) are respectively arranged at two ends of a leaf shaft, positioning grooves (111) used for bearing the leaf shaft are respectively formed in the two positioning blocks (110), and the two positioning blocks (110) are respectively provided with a pressing assembly (200) used for pressing the leaf shaft.

2. The roots pump impeller groove milling tool according to claim 1, wherein: compress tightly subassembly (200) and include pressure strip (210) and two clamp bolt (220), one end open-ended locating hole (211) has been seted up to pressure strip (210) one end, and one end open-ended joint hole (212) have been seted up to the other end, the opening direction of locating hole (211) sets up with the opening direction contained angle of joint hole (212), and the opening of locating hole (211) is located pressure strip (210) tip, two clamp bolt (220) are located the rachis both sides respectively to with locating piece (110) threaded connection, behind locating hole (211) and one of them clamp bolt (220) joint, rotate pressure strip (210) to make joint hole (212) and another clamp bolt (220) joint, pressure strip (210) contradict with the rachis.

3. The roots pump impeller groove milling tool according to claim 2, characterized in that: one side of the pressing plate (210) close to the blade shaft is fixedly connected with a rubber plate.

4. The roots pump impeller groove milling tool according to claim 3, wherein: the two positioning blocks (110) are connected with the workbench (400) in a sliding manner along the directions close to or far away from each other.

5. The roots pump impeller groove milling tool according to claim 4, wherein: the multifunctional adjustable bolt is characterized in that a plurality of sliding grooves (410) are formed in the workbench (400), each sliding groove (410) is a T-shaped groove, a regulating hole is formed in the positioning block (110), a regulating bolt (112) is arranged on the positioning block (110), a bolt head of the regulating bolt (112) is located in each sliding groove (410), a screw rod of the regulating bolt (112) penetrates out of the corresponding sliding groove (410) and the corresponding regulating hole, and a regulating nut (113) is in threaded connection with the regulating bolt (112) at one end penetrating out of the corresponding regulating hole.

6. The roots pump impeller groove milling tool according to claim 5, wherein: the positioning device is characterized in that a limiting rod (114) is arranged on the positioning block (110), the limiting rod (114) is connected with the positioning block (110) in a sliding mode along the direction close to the center of the workbench (400), and an adjusting component (300) used for adjusting the sliding distance between the limiting rod (114) and the positioning block (110) is arranged on the positioning block (110).

7. The roots pump impeller groove milling tool according to claim 6, wherein: the positioning block (110) is provided with a sliding hole (115) along the direction close to or far away from the impeller, and the limiting rod (114) is arranged in the sliding hole (115) and connected with the sliding hole (115) in a sliding manner.

8. The roots pump impeller groove milling tool according to claim 7, wherein: the adjusting assembly (300) comprises a positioning plate (310) and an adjusting bolt (320), the limiting rod (114) is connected with the positioning plate (310), and the adjusting bolt (320) is rotatably connected with the positioning plate (310) and is in threaded connection with the positioning block (110).

9. The roots pump impeller groove milling tool according to claim 8, wherein: the limiting rod (114) is connected with the positioning plate (310) through a buffer spring (311).