CN114425709B

CN114425709B - Volute clamp

Info

Publication number: CN114425709B
Application number: CN202210185163.6A
Authority: CN
Inventors: 严飞翔; 朱宝成; 李东富; 闫浩
Original assignee: Wuxi Lihu Casting Industry Co ltd
Current assignee: Wuxi Lihu New Quality Energy Saving Technology Co ltd
Priority date: 2022-02-28
Filing date: 2022-02-28
Publication date: 2024-02-27
Anticipated expiration: 2042-02-28
Also published as: CN114425709A

Abstract

The application relates to the field of volute processing, and particularly discloses a volute fixture, which comprises a tensioning mechanism, a positioning mechanism and a supporting mechanism, wherein the tensioning mechanism comprises a mounting seat, a tensioning piece and an abutting piece, the tensioning piece is connected with the mounting seat, a tensioning part of the tensioning piece stretches into a runner and applies a pulling force to the volute, and the tensioning piece pulls the volute until a flange abuts against the abutting piece; the positioning mechanism comprises a positioning core and a positioning piece I, wherein the positioning core can be inserted into the first port, and the positioning piece I is abutted against the end face of the first port; the supporting mechanism comprises a supporting block and a supporting column, and when the supporting block bears the volute, the supporting column is abutted and supports the first column after the height of the supporting column is adjusted through the self-adaptive supporting piece. According to the scroll positioning support device, the scroll is pulled through the tensioning piece until the flange is abutted to the abutting piece, in the machining process, the tension of the scroll is kept, and the abutting piece and the tensioning piece support the scroll in a multipoint positioning mode, so that the flatness of a machining surface is improved.

Description

Volute clamp

Technical Field

The application relates to the technical field of scroll, in particular to a scroll clamp.

Background

The scroll is generally used for housings of a blower, a water pump, a booster pump, and the like, and referring to fig. 1, a scroll blank includes a housing 1, a first port 101 and a second port 102 provided in the housing 1, and a first column 103, a second column 104, and a plurality of duct portions 105 are formed in the housing 1. Each pipe portion 105 is internally provided with a flow passage communicated with the shell 1, one end, far away from the shell 1, of each pipe portion 105 is provided with a flange 106, and any two adjacent flanges 106 are connected and coplanar.

In the production process after the volute blank is molded, milling processing is required to be carried out on part of the surface of the volute. At present, the scroll is generally clamped by a clamping device in the market, and the scroll is clamped by clamping force. However, the outer surface of the volute blank is uneven, and the volute blank and the clamping surface are difficult to stably attach, so that the volute blank shakes in the processing process, and the processing surface deflects and inclines, so that the volute blank is unqualified.

Disclosure of Invention

In order to improve stability of a volute blank in a machining process, the technical scheme of the application provides a volute clamp. The technical proposal is as follows:

the application provides a volute clamp, which comprises a tensioning mechanism, a positioning mechanism and a supporting mechanism, wherein the tensioning mechanism comprises a mounting seat, a tensioning piece and an abutting piece, the tensioning piece is connected with the mounting seat, a tensioning part of the tensioning piece stretches into a runner and applies a pulling force to a volute, and the tensioning piece pulls the volute until a flange abuts against the abutting piece; the positioning mechanism comprises a positioning core and a positioning piece I, wherein the positioning core can be inserted into the first port, and the positioning piece I is abutted against the end face of the first port; the supporting mechanism comprises a supporting block and a supporting column, and when the supporting block bears the volute, the supporting column is abutted and supports the first column after the height of the supporting column is adjusted through the self-adaptive supporting piece.

Through above-mentioned technical scheme, the volute is placed on the supporting shoe, the first port of locating core insertion, the terminal surface of locating part butt at first port, the support column cooperates when bearing the volute and carries out the initial location, the taut portion of taut piece stretches into in the runner and applys pulling force to the volute, taut piece pulling volute is until flange and butt piece butt, in the course of working, the taut piece keeps the pulling force to the volute, butt piece and taut piece support the volute multiple spot location, the stability of volute has been improved, the possibility that the volute rocked has been reduced, the roughness of machined surface has been improved.

Further, the tensioning piece is arranged on the mounting seat in a sliding mode through the sliding mechanism, the tensioning piece and the sliding mechanism are arranged in a one-to-one correspondence mode, the sliding mechanism comprises a sliding rail connected with the mounting seat, a sliding block connected with the sliding rail in a sliding mode, and a driving piece used for driving the sliding block to slide, and the sliding block is connected with the tensioning piece.

Specifically, the tensioning piece further comprises a cylinder body and a connecting rod movably connected to the fixed end of the cylinder body, the tensioning portion is in Z-shaped arrangement, one end of the tensioning portion is movably connected with the movable end of the cylinder body, and the connecting rod is movably connected with the turning portion of the tensioning portion.

Specifically, the clamp further comprises a pushing piece, the pushing direction of the pushing piece to the volute and the tensioning direction of the tensioning piece are in the same direction, the pushing piece comprises a main pushing part, the main pushing part comprises a pushing plate and a linear driving part, the middle part of the pushing plate is hinged with the mounting seat, and one end of the pushing plate is hinged with the movable end of the linear driving part.

Further, the pushing piece further comprises an auxiliary pushing part which is arranged on the same side of the pushing plate, and the auxiliary pushing part is a floating supporting cylinder.

Specifically, positioning mechanism still includes the spacer pin, the spacer pin is in be equipped with two at least on the mount pad, when taut scroll of taut spare, the flange is the level setting, the spacer pin butt is at the lower surface of flange.

In particular, the self-adaptive support device further comprises a bottom plate, wherein the bottom plate is configured to bear the tensioning mechanism, the positioning mechanism and the supporting mechanism, a plurality of self-adaptive supports are arranged on the bottom plate and can abut against the outer wall of the pipeline part, and the self-adaptive supports are floating support cylinders.

Compared with the prior art, the application has the beneficial effects that: the volute is placed on the supporting block, the positioning core is inserted into the first port, then the driving piece drives the tensioning piece to slide to a required position through the linkage seat, at the moment, the movable end of the cylinder body drives the tensioning part through the connecting rod, and the tensioning part stretches into the runner and applies pulling force to the volute.

In the pulling process, the linear driving part is linked, the pressing plate and the auxiliary pushing part push the volute together along the direction of the pulling force, the volute is pulled until the flange is abutted to the abutting piece, and at the moment, the flange is horizontally arranged. The movable end of the first positioning piece is abutted on the end face of the first port, and the limiting pin is abutted on the lower surface of the flange. Meanwhile, the height position of the support column is adjusted by the self-adaptive support piece, so that the support column is contacted with the first column body, and further support is provided while the support column and the first column body are positioned in a matched mode.

The multiple auxiliary pushing parts are used for multipoint positioning the volute, the tensioning piece and the main pushing part are used for locking the volute, in the machining process, the tension of the volute is kept, compared with a common clamping device, the multiple auxiliary pushing parts are used for multipoint positioning and supporting, the stability of the volute is improved, the shaking possibility of the volute is reduced, and the flatness of a machining surface is improved.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the application and together with the description, serve to explain the principles of the application, wherein:

FIG. 1 is a schematic view of a scroll in the prior art;

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

FIG. 3 is a schematic view showing a sliding mechanism in an embodiment;

FIG. 4 is a schematic view showing the overall structure of the tension member in the embodiment;

fig. 5 is a schematic diagram showing the overall structure of the main pushing portion in the embodiment.

Reference numerals: 1. a housing; 101. a first port; 102. a second port; 103. a first column; 104. a second column; 105. a pipe section; 106. a flange; 2. a bottom plate; 21. a fixing seat; 3. a mounting base; 301. a bracket; 302. a support plate; 303. a connecting plate; 304. a support base; 4. a tension member; 401. a tensioning part; 402. a cylinder; 403. a connecting rod; 404. a connecting block; 405. a limit rod; 5. an abutment; 6. a sliding mechanism; 601. a slide rail; 602. a slide block; 603. a driving member; 604. a linkage seat; 7. a pushing member; 701. a push plate; 702. a linear driving section; 703. an auxiliary pushing part; 704. a hinge base; 8. a support block; 9. a support column; 901. an adaptive support; 10. positioning the core; 11. a first positioning piece; 12. and a limiting pin.

Detailed Description

The following disclosure provides many different embodiments or examples for implementing different structures of the present application. In order to simplify the disclosure of the present application, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present application. Furthermore, the present application may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not in themselves indicate the relationship between the various embodiments and/or arrangements discussed.

the present application is described in further detail below with reference to fig. 2-5.

As shown in fig. 2, the application provides a scroll clamp, which comprises a bottom plate 2 horizontally arranged, wherein a tensioning mechanism, a positioning mechanism and a supporting mechanism are connected to the bottom plate 2. The tensioning mechanism comprises a mounting seat 3, a tensioning piece 4 and an abutting piece 5, and the tensioning piece 4 is arranged on the mounting seat 3 in a sliding mode through a sliding mechanism 6.

In actual use, the sliding mechanism 6 drives the tensioning member 4 to slide to a required position, at this time, the tensioning portion 401 of the tensioning member 4 stretches into the flow passage and applies a pulling force to the scroll, and the scroll is pulled until the flange 106 abuts against the abutting member 5. Meanwhile, the locating mechanism locates the volute at multiple points, and the supporting mechanism supports and bears the volute, so that locking of the volute is realized. In the course of working, the tensioning member 4 keeps the pulling force to the volute, compares with ordinary clamping device, and this application has improved the stability of volute through tensioning force and multiple spot location support, has reduced the possibility that the volute rocked.

As shown in fig. 2 and 3, the sliding mechanism 6 includes a sliding rail 601, a sliding block 602 and a driving member 603, a bracket 301 is connected to a side wall of the mounting seat 3, a support plate 302 is connected to an upper surface of the mounting seat 3, and the sliding rail 601 is horizontally erected on the support plate 302 and an upper surface of the mounting seat 3. The sliding block 602 is slidably connected to the sliding rail 601, the sliding block 602 is connected to the linkage seat 604, and the linkage seat 604 is connected to the tensioning member 4.

As shown in fig. 3, two tensioning members 4 are arranged on the linkage seat 604 along the horizontal direction, and the tensioning members 4, the sliding rails 601 and the sliding blocks 602 are arranged in a one-to-one correspondence manner, so that the pulling force on the volute is increased, and the pulling effect of the tensioning members 4 on the volute is improved.

As shown in fig. 2, a connection plate 303 is connected between the two brackets 301, and a driving member 603 is mounted on the connection plate 303. In this embodiment, the driving member 603 is a cylinder, and a piston rod of the cylinder is connected to a side wall of the linkage seat 604. The piston rod of the air cylinder moves to drive the linkage seat 604 to slide, so that the linkage seat 604 and the sliding block 602 are driven, and finally, the position of the tensioning piece 4 is adjusted.

As shown in fig. 4, the tightening member 4 further includes a cylinder 402 and a connecting rod 403, where the cylinder 402 is embedded on a side wall of the linkage seat 604 facing away from the driving member 603, and the movable end of the cylinder 402 is horizontally disposed and hinged to the tightening portion 401, and the tightening portion 401 is disposed in a Z-shape.

As shown in fig. 4, a connecting block 404 is connected to the end surface of the cylinder 402, and one end of a connecting rod 403 is hinged to the connecting block 404; the other end is hinged with the tensioning part 401, and the hinge point is positioned at the turning position of the tensioning part 401 close to the end face of the cylinder 402. In order to further improve stability of the tightening part 401 after tightening, a limit rod 405 is connected to one side of the tightening part 401, which is close to the cylinder 402, and when the tightening part 402 tightens the scroll, the limit rod 405 vertically abuts against the cylinder 402. The end of the stop lever 405 near the cylinder 402 is formed with a shock absorbing head.

As shown in fig. 3, the abutment 5 is connected to the upper surface of the mounting base 3, and the ground contact portion of the abutment 5 abuts against the side wall of the flange 106, and the structure of the abutment 5 is the same as that of the tightening member 4, which will not be discussed below.

As shown in fig. 2, in order to further improve the pulling effect of the tensioning member 4 on the volute, the mounting seat 3 is also connected with a pushing member 7, the pushing member 7 applies pushing force to the volute, the direction of the pushing force and the tensioning direction of the tensioning force are the same, the volute is pulled by matching with the tensioning member 4,

as shown in fig. 3 and 5, the pusher 7 includes a main pushing portion including a push plate 701 and a linear driving portion 702, and an auxiliary pushing portion 703. The push plate 701 is located on one side of the mounting seat 3 facing away from the driving member 603 and is vertically arranged, and the middle part of the push plate 701 is hinged with the side wall of the mounting seat 3 through a hinging seat 704.

As shown in fig. 3 and 5, in the present embodiment, the linear driving portion 702 is an oil cylinder and is disposed on the same side as the driving member 603, and the bottom end of the linear driving portion 702 is hinged to the movable end of the linear driving portion 702. The auxiliary pushing portion 703 is provided on the same side as the push plate 701. In this embodiment, the auxiliary pushing units 703 are floating supporting cylinders, and three auxiliary pushing units are provided, and the upper surface of the mounting base 3 is connected with a supporting base 304, and the floating supporting cylinders are mounted on the supporting base 304.

The floating end of the floating support cylinder floats to the abutting pipe portion 105, the supporting is provided for the volute after the volute is pushed to a required position in a matched mode, meanwhile, the volute is limited, and the stability of the volute is further improved.

As shown in fig. 2 and 3, the supporting mechanism comprises a supporting block 8 and a supporting column 9, and the supporting block 8 is connected to the upper surface of the base. The support column 9 is vertically arranged, and the support column 9 is connected with the bottom plate 2 through an adaptive support 901, and in this embodiment, the adaptive support 901 is a floating support cylinder. In use, the scroll is placed on the support block 8 and the adaptive support 901 adjusts the height position of the support column 9 so that the support column 9 contacts the first column 103 and then provides further support.

As shown in fig. 3, the positioning mechanism comprises a positioning core 10, a first positioning element 11 and a limiting pin 12, the upper surface of the bottom plate 2 is connected with a fixed seat 21, the positioning core 10 is arranged on the side wall of the fixed seat 21, and the first positioning element 11 is an oil cylinder connected with the fixed seat 21.

The positioning core 10 can be inserted into the first port 101, and at this time, the piston rod of the first positioning member 11 abuts against the end surface of the first port 101.

As shown in fig. 3, the limiting pins 12 are connected to the upper surface of the mounting seat 3, and two limiting pins are symmetrically arranged on the mounting seat 3, when the tensioning piece 4 tightens the volute, the flange 106 is horizontally arranged, and the limiting pins 12 are abutted against the lower surface of the flange 106.

The implementation principle of the application is as follows: the scroll is placed on the support block 8 such that the positioning core 10 is inserted into the first port 101, and then the driving member 603 drives the tension member 4 to slide to a desired position through the linkage seat 604, at which time the movable end of the cylinder 402 drives the tension portion 401 through the link 403, and the tension portion 401 extends into the flow passage and applies a tensile force to the scroll.

In the pulling process, the linear driving part 702 is linked, the pressing plate and the auxiliary pushing part 703 push the volute together along the direction of the pulling force, and the volute is pulled until the flange 106 abuts against the abutting piece 5, and at this time, the flange 106 is horizontally arranged. The movable end of the first positioning piece 11 is abutted against the end face of the first port 101, and the limiting pin 12 is abutted against the lower surface of the flange 106. At the same time, the adaptive support 901 adjusts the height position of the support column 9 so that the support column 9 is in contact with the first column 103, and then provides further support.

The multiple auxiliary pushing parts 703 are used for multipoint positioning the volute and supporting, the tensioning piece 4 and the main pushing part are used for locking the volute, and in the machining process, the tension of the volute is kept.

Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the application following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the application pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.

It is to be understood that the present application is not limited to the precise arrangements and instrumentalities shown in the drawings, which have been described above, and that various modifications and changes may be effected without departing from the scope thereof. The scope of the application is limited only by the appended claims.

Claims

1. The volute clamp is characterized by comprising a tensioning mechanism, a positioning mechanism and a supporting mechanism, wherein the tensioning mechanism comprises a mounting seat, a tensioning piece and an abutting piece, the tensioning piece is connected with the mounting seat, a tensioning part of the tensioning piece stretches into a runner and applies a pulling force to the volute, and the tensioning piece pulls the volute until the side wall of a flange abuts against the abutting piece;

the positioning mechanism comprises a positioning core and a positioning piece I, wherein the positioning core can be inserted into the first port, and the positioning piece I is abutted against the end face of the first port;

the supporting mechanism comprises a supporting block and a supporting column, and when the supporting block bears the volute, the supporting column is abutted and supports the first column after the height of the supporting column is adjusted through the self-adaptive supporting piece;

the tensioning pieces are arranged on the mounting seats in a sliding mode through the sliding mechanisms, the tensioning pieces and the sliding mechanisms are arranged in a one-to-one correspondence mode, the sliding mechanisms comprise sliding rails connected to the mounting seats, sliding blocks connected to the sliding rails in a sliding mode, and driving pieces used for driving the sliding blocks to slide, and the sliding blocks are connected with the tensioning pieces;

the tensioning piece further comprises a cylinder body and a connecting rod movably connected to the fixed end of the cylinder body, the tensioning portion is arranged in a Z-shaped mode, one end of the tensioning portion is movably connected with the movable end of the cylinder body, and the connecting rod is movably connected with the turning portion of the tensioning portion.

2. The scroll clamp according to claim 1, further comprising a pushing member, wherein the pushing direction of the pushing member to the scroll and the tightening direction of the tightening member are in the same direction, the pushing member comprises a main pushing portion, the main pushing portion comprises a push plate and a linear driving portion, the middle portion of the push plate is hinged to the mounting seat, and one end of the push plate is hinged to the movable end of the linear driving portion.

3. The scroll clamp of claim 2, wherein the pusher further comprises an auxiliary pusher portion disposed on a same side of the pusher plate, the auxiliary pusher portion being a floating support cylinder.

4. The volute fixture of claim 1, wherein the positioning mechanism further comprises at least two limiting pins arranged on the mounting base, the flange is horizontally arranged when the volute is tensioned by the tensioning piece, and the limiting pins are abutted against the lower surface of the flange.

5. The scroll clamp of claim 1, further comprising a base plate configured to carry the tensioning mechanism, the positioning mechanism, and the support mechanism, the adaptive support being provided with a plurality of support members on the base plate capable of abutting the outer wall of the pipe section, the adaptive support being a floating support cylinder.