CN218575631U

CN218575631U - Compressor static disc finish machining location frock

Info

Publication number: CN218575631U
Application number: CN202222951465.8U
Authority: CN
Inventors: 黄勇; 侯智伟; 黄山川; 林妙正
Original assignee: Zhejiang Gaoling New Energy And Technology Co ltd
Current assignee: Zhejiang Gaoling New Energy And Technology Co ltd
Priority date: 2022-11-02
Filing date: 2022-11-02
Publication date: 2023-03-07
Anticipated expiration: 2032-11-02

Abstract

The utility model relates to the technical field of tool fixtures, and discloses a compressor stationary disc finish machining positioning tool, which comprises a base plate, one end of the base plate is fixed with a supporting seat, two ends of the top surface of the supporting seat are respectively provided with a first supporting surface and a second supporting surface, the other end of the base plate is fixed with a supporting rod, the top surface of the supporting rod is provided with a third supporting surface, and the first supporting surface, the second supporting surface and the third supporting surface are coplanar and parallel to the bottom surface of the base plate; the top surface of the supporting seat is provided with a first positioning pin matched with one positioning hole on the static disc, and the base plate is provided with a second positioning pin matched with the other positioning hole on the static disc; pressing components are arranged on the base plate and correspond to the first supporting surface, the second supporting surface and the third supporting surface; the base plate is provided with a plurality of supporting components at the position between the supporting rod and the supporting seat. The utility model discloses have the beneficial effect that the location is stable, the machining precision is higher.

Description

Compressor static disc finish machining location frock

Technical Field

The utility model relates to a frock clamp technical field especially relates to a compressor quiet dish finish machining location frock.

Background

The scroll compressor is a positive displacement compression compressor, and the compression unit comprises movable scroll (for short, movable disc) and static scroll (for short, static disc), and movable scroll and static scroll are all installed in the compressor frame, and static scroll is fixed, and movable scroll is rotating around the eccentric shaft to the gas of the compression intracavity between movable scroll and static scroll compresses. The static disc needs to carry out the finish machining to the vortex line in the static disc in the course of working, because the static disc shape is complicated and whole great, conventional frock is difficult to carry out stable location to the static disc, takes place the vibration in the course of working of static disc moreover easily and leads to the surface production chatter marks of vortex line to influence the machining precision.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve the above-mentioned problem that exists among the prior art, provide a location stable, the higher compressor quiet dish finish machining location frock of machining precision.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a compressor static disc finish machining positioning tool comprises a base plate, wherein a supporting seat is fixed at one end of the base plate, a first supporting surface and a second supporting surface are respectively arranged at two ends of the top surface of the supporting seat, a supporting rod is fixed at the other end of the base plate, a third supporting surface is arranged on the top surface of the supporting rod, and the first supporting surface, the second supporting surface and the third supporting surface are coplanar and parallel to the bottom surface of the base plate; the top surface of the supporting seat is provided with a first positioning pin matched with one positioning hole on the static disc, and the base plate is provided with a second positioning pin matched with the other positioning hole on the static disc; pressing assemblies are arranged on the base plate and correspond to the first supporting surface, the second supporting surface and the third supporting surface; the part of the substrate between the support rod and the support seat is provided with a plurality of support components.

The compressor static disc is supported and kept in a plane state through a first supporting surface, a second supporting surface and a third supporting surface, is positioned through a first positioning pin and a second positioning pin, is prevented from rotating and is then compressed through three groups of compressing assemblies; finally, the bottom of the static disc is tightly supported from bottom to top through a plurality of supporting supports; the static disc is finely processed after being completely positioned, and the positioning is very stable; simultaneously because first holding surface, second holding surface set up on same supporting seat, support very stably, because the quiet dish size is great, span between the three holding surface is great, reduces this kind of upper span on the size through setting up supporting component, and then prevents in the course of working that the quiet dish from taking place to vibrate and produce the line of shaking, effectively improves the machining precision.

Preferably, the side surface, close to the outer side of the supporting seat, of the base plate is a reference surface, a reference hole is formed in the middle of the base plate, and after the static disc is completely positioned by the positioning tool, the central hole of the static disc and the reference hole are distributed coaxially. The datum plane is aligned with the coordinates on the machining platform, the datum hole is used for centering, and the static disc is mounted after the main shaft of the machining platform is aligned with the datum hole, so that centering is achieved (due to the fact that a vortex line exists on the static disc, if the main shaft is directly aligned with the central hole of the static disc, the vortex line can seriously interfere with sight lines, and accurate centering is difficult to achieve).

Preferably, the pressing assembly comprises a first air cylinder fixed on the base plate and a pressing block, the inner end of the pressing block is rotatably connected with a first air cylinder shaft, a rotating seat is fixed at the upper end of a shell of the first air cylinder, a connecting arm is arranged between the pressing block and the rotating seat, two ends of the connecting arm are respectively and pivotally connected with the rotating seat and the pressing block, and the outer end of the pressing block extends to form a protruding block used for pressing the static disc. The shaft end of the first cylinder stretches and retracts to drive the convex block on the pressing block to be tightly pressed and loosened with the static disc, and the use is very convenient.

Preferably, the supporting assembly comprises a second cylinder, a tray fixed on the second cylinder shaft, and a damping block arranged in the tray, wherein a counter bore is formed in the center of the damping block, a bolt is arranged in the counter bore, and the bolt penetrates through the counter bore and the tray and then is fixedly connected with the second cylinder shaft. The second cylinder shaft stretches out, so that the damping block elastically pushes against the bottom of the static disc, vibration is absorbed in the machining process of the static disc, and vibration of the static disc is reduced.

Preferably, the top surface of the supporting seat is provided with a pin hole, the first positioning pin is matched with the pin hole in an inserted manner, a threaded hole communicated with the side wall of the pin hole is formed in the side surface of the supporting seat, a fastening bolt is arranged in the threaded hole, and the first positioning pin is locked through the fastening bolt after being inserted into the pin hole. The first locating pin can be abraded in the using process, and the first locating pin can be quickly replaced by loosening the fastening bolt after being abraded.

Therefore, the utility model discloses have the beneficial effect that the location is stable, the machining precision is higher.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is another view of fig. 1.

FIG. 3 is a schematic view of the connection between the support base and the substrate.

Fig. 4 is a schematic structural view of the hold-down assembly.

Fig. 5 is a schematic structural view of the support assembly.

Fig. 6 is a schematic view of the stationary disc positioning state.

Fig. 7 is a top view of fig. 6.

In the figure: the support device comprises a base plate 1, a reference surface 10, a reference hole 11, a support seat 2, a first support surface 20, a second support surface 21, a first positioning pin 22, a pin hole 23, a threaded hole 24, a fastening bolt 25, a support rod 3, a third support surface 30, a second positioning pin 4, a pressing component 5, a first air cylinder 50, a pressing block 51, a convex block 510, a rotating seat 52, a connecting arm 53, a support component 6, a second air cylinder 60, a tray 61, a shock absorption block 62, a bolt 63, a static disc 7 and a center hole 70.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and a plurality of exemplary embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the scope of the invention.

It is to be understood that, herein, the expressions "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance, nor are they to be construed as implicitly indicating the number of technical features indicated. A feature defined as "first" or "second" may be explicitly or implicitly indicated as including at least one of the feature.

The compressor static disc finish machining positioning tool shown in fig. 1-6 comprises a base plate 1, wherein a supporting seat 2 is fixed at one end of the base plate 1, a first supporting surface 20 and a second supporting surface 21 are respectively arranged at two ends of the top surface of the supporting seat 2, a supporting rod 3 is fixed at the other end of the base plate 1, a third supporting surface 30 is arranged on the top surface of the supporting rod 3, and the first supporting surface 20, the second supporting surface 21 and the third supporting surface are coplanar and parallel to the bottom surface of the base plate 1; the top surface of supporting seat 2 is equipped with the first locating pin 22 with a locating hole looks adaptation on the quiet dish, and the top surface of supporting seat 2 is equipped with pinhole 23, and first locating pin 22 is pegged graft with pinhole 23 and is cooperated, and the side of supporting seat 2 is equipped with the screw hole 24 that link up with the pinhole lateral wall, and threaded hole is equipped with fastening bolt 25, and first locating pin inserts and passes through fastening bolt locking behind the pinhole.

A second positioning pin 4 matched with the other positioning hole on the static disc is arranged on the base plate 1; the pressing components 5 are arranged on the corresponding positions of the first supporting surface, the second supporting surface and the third supporting surface on the base plate 1; a plurality of supporting components 6 are arranged on the base plate between the supporting rod and the supporting seat. The second positioning pin in this embodiment is a diamond pin.

As shown in fig. 1 and 7, a side surface of the base plate 1 close to the outer side of the support seat is a reference surface 10, a reference hole 11 is formed in the middle of the base plate, and after the static disc 7 is completely positioned by the positioning tool, a central hole 70 of the static disc 7 is coaxially distributed with the reference hole.

As shown in fig. 4, the pressing assembly 5 includes a first cylinder 50 fixed on the base plate, and a pressing block 51 whose inner end is rotatably connected with the first cylinder shaft, a rotating base 52 is fixed at the upper end of the housing of the first cylinder, a connecting arm 53 is arranged between the pressing block and the rotating base, two ends of the connecting arm 53 are respectively pivotally connected with the rotating base 52 and the pressing block 51, and the outer end of the pressing block 51 extends to form a protrusion 510 for pressing the stationary disc.

As shown in fig. 5, the supporting assembly 6 includes a second cylinder 60, a tray 61 fixed on the second cylinder shaft, and a damping block 62 disposed in the tray, wherein a counter bore 620 is disposed in the center of the damping block, a bolt 63 is disposed in the counter bore, and the bolt 63 penetrates through the counter bore and the tray and then is fixedly connected to a threaded hole on the second cylinder shaft.

With reference to the drawings, the principle of the utility model is as follows: when the tool is used, the tool is firstly installed on a processing platform, a reference surface is parallel to an X coordinate or a Y coordinate on the processing platform, and the position of a main shaft on the processing platform is adjusted, so that a milling cutter on the main shaft is aligned to the center of a reference hole 11, namely a processing original point is found; then a static disc 7 is installed according to the state shown in the figures 6 and 7, the static disc of the compressor is supported by a first supporting surface, a second supporting surface and a third supporting surface to keep a plane state, and is positioned by a first positioning pin and a second positioning pin to prevent the static disc from rotating, and then is pressed by three groups of pressing assemblies; finally, the bottom of the static disc is tightly supported from bottom to top through a plurality of supporting supports; after the static disc is completely positioned, performing finish machining, wherein the axis of a central hole of the static disc is coaxial with the axis of the reference hole 11, and then performing machining after Z-axis tool setting; simultaneously because first holding surface, second holding surface set up on same supporting seat, support very stably, because the quiet dish size is great, span between the three holding surface is great, reduces this kind of upper span on the size through setting up supporting component, and then prevents in the course of working that the quiet dish from taking place to vibrate and produce the line of shaking, effectively improves the machining precision.

Although specific embodiments of the invention have been described in detail herein, they have been presented for purposes of illustration only and are not to be construed as limiting the scope of the invention. Various substitutions, alterations, and modifications may be devised without departing from the spirit and scope of the present invention.

Claims

1. A fine machining positioning tool for a static disc of a compressor comprises a base plate and is characterized in that a supporting seat is fixed at one end of the base plate, a first supporting surface and a second supporting surface are respectively arranged at two ends of the top surface of the supporting seat, a supporting rod is fixed at the other end of the base plate, a third supporting surface is arranged on the top surface of the supporting rod, and the first supporting surface, the second supporting surface and the third supporting surface are coplanar and parallel to the bottom surface of the base plate; the top surface of the supporting seat is provided with a first positioning pin matched with one positioning hole on the static disc, and the base plate is provided with a second positioning pin matched with the other positioning hole on the static disc; pressing assemblies are arranged on the base plate and correspond to the first supporting surface, the second supporting surface and the third supporting surface; a plurality of supporting components are arranged on the base plate between the supporting rod and the supporting seat.

2. The tool of claim 1, wherein the side of the base plate adjacent to the outer side of the support base is a datum plane, a datum hole is formed in the middle of the base plate, and when the stationary plate is completely positioned by the tool, the central hole of the stationary plate and the datum hole are coaxially arranged.

3. The tool for precisely machining and positioning the static disc of the compressor according to claim 1, wherein the pressing assembly comprises a first air cylinder fixed on the base plate and a pressing block, the inner end of the pressing block is rotatably connected with a shaft of the first air cylinder, a rotating seat is fixed at the upper end of a shell of the first air cylinder, a connecting arm is arranged between the pressing block and the rotating seat, two ends of the connecting arm are respectively and pivotally connected with the rotating seat and the pressing block, and the outer end of the pressing block extends to form a protruding block for pressing the static disc.

4. The compressor static disc fine machining positioning tool according to claim 1, wherein the supporting assembly comprises a second air cylinder, a tray fixed on a shaft of the second air cylinder, and a damping block arranged in the tray, a counter bore is formed in the center of the damping block, a bolt is arranged in the counter bore, and the bolt penetrates through the counter bore and the tray and then is fixedly connected with the shaft of the second air cylinder.

5. The tool of claim 1, wherein the top surface of the support base is provided with a pin hole, the first positioning pin is in inserted fit with the pin hole, the side surface of the support base is provided with a threaded hole penetrating through the side wall of the pin hole, a fastening bolt is arranged in the threaded hole, and the first positioning pin is inserted into the pin hole and then locked by the fastening bolt.