CN219945341U - Quick location frock of screw compressor protecgulum processing - Google Patents
Quick location frock of screw compressor protecgulum processing Download PDFInfo
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- CN219945341U CN219945341U CN202321378125.9U CN202321378125U CN219945341U CN 219945341 U CN219945341 U CN 219945341U CN 202321378125 U CN202321378125 U CN 202321378125U CN 219945341 U CN219945341 U CN 219945341U
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- positioning device
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- 238000012545 processing Methods 0.000 title claims abstract description 18
- 238000007789 sealing Methods 0.000 claims abstract description 11
- 238000003754 machining Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model provides a screw compressor front cover processing quick positioning tool, which comprises: the circular center positioning device (1) is used for positioning the sealing hole surface of the screw compressor front cover, the positioning column (2) is used for positioning the end surface of the screw compressor front cover, and the circumferential positioning device (3) and the bottom plate (4) are used for being positioned in abutting connection with the side surface of the screw compressor front cover; the circle center positioning device (1), the positioning column (2) and the circumferential positioning device (3) are respectively arranged on the bottom plate (4).
Description
Technical Field
The utility model relates to a quick positioning tool for screw compressor front cover machining.
Background
At present, the screw compressor is still the main force of the air compressor market, and along with the development of the times, the screw compressor is expected to be more environment-friendly and more energy-saving; but at the same time, the problems of oil leakage of a main machine of the screw machine, vibration of a motor and the like are still common problems of the screw compressor; in order to overcome the problems, the motor vibration is small, the machine head is oil-proof, the air gap between the stator and the rotor of the motor is uniform, the circumferential sealing pressure of the rotary oil seal on the motor shaft is uniform, the processing precision of the front cover is ensured, and the oil seal, the shaft, the rotor and the stator have good coaxiality after being assembled.
The existing clamping method for the front cover is to fix a flat plate on a machine tool workbench, then place a workpiece on the flat plate, visually align the side edge with the side edge of the flat plate, fix the workpiece by two pressing plates, and then search the center position of the workpiece by an edge finder as the origin of a processing coordinate system; the method has low precision of finding the center of the circle and slow speed, and the flat plate for placing the workpiece is damaged during processing. Therefore, the action of searching the circle center is complex and slow, the processing precision of the front cover is not up to standard, the processing efficiency is low, the air gap between the stator and the rotor of the motor is uneven during assembly, the rotary oil seal and the motor shaft are not concentric, the phenomenon of motor vibration and oil leakage of the machine head is caused, and the performance of the screw air compressor is seriously affected.
Disclosure of Invention
The utility model aims to solve the main technical problem of providing a quick positioning tool for screw compressor front cover processing, which is convenient to operate and high in accuracy.
In order to solve the technical problems, the utility model provides a screw compressor front cover processing quick positioning tool, which comprises: the positioning column is used for positioning the end face of the front cover of the screw compressor, and the circumferential positioning device and the bottom plate are used for being abutted and positioned with the side face of the front cover of the screw compressor; the circle center positioning device, the positioning column and the circumferential positioning device are respectively arranged on the bottom plate.
In a preferred embodiment: the circle center positioning device comprises: the tensioning screw, the expansion sleeve blind rivet, the expansion sleeve and the expansion bolt are sequentially arranged from top to bottom; and the tensioning screw is screwed, and the expansion sleeve is expanded to be in close contact with the sealing hole surface of the front cover of the screw compressor through the relative movement of the expansion sleeve and the bolt mounting, so that the positioning circle center is realized.
In a preferred embodiment: the circumferential positioning device comprises a quick clamp, a spring and a circumferential positioning block; the quick clamp abuts the circumferential positioning block against the side face of the screw compressor front cover through a spring.
In a preferred embodiment: the positioning columns are arranged at intervals around the circle center positioning device.
Compared with the prior art, the technical scheme of the utility model has the following beneficial effects:
1. the utility model provides a quick positioning tool for processing a front cover of a screw compressor, which adopts a multi-point support to replace a whole surface support, so that positioning errors caused by plane processing quality are reduced;
2. the utility model provides a quick positioning tool for processing a front cover of a screw compressor, wherein a circumferential positioning device adopts the contact of small surfaces at two ends, and simultaneously, the circumferential position is aligned in a pretightening force mode, so that the quick positioning tool is convenient and accurate;
3. the utility model provides a quick positioning tool for processing a front cover of a screw compressor, which can position, clamp and detach a workpiece only by using one tensioning screw and is convenient to operate.
Drawings
FIG. 1 is a perspective view of a tooling in a preferred embodiment of the present utility model;
FIG. 2 is a perspective view of a center positioning device in a preferred embodiment of the present utility model;
FIG. 3 is a perspective view of a circumferential positioning device in a preferred embodiment of the present utility model;
FIG. 4 is a front view of a screw compressor front cover in accordance with a preferred embodiment of the present utility model;
FIG. 5 is a cross-sectional view of the screw compressor front cover in a preferred embodiment of the present utility model;
fig. 6 is a schematic diagram of the use of the tool according to the preferred embodiment of the utility model.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.
In the description of the present utility model, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "inner", "outer", "top/bottom", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," configured to, "" engaged with, "" connected to, "and the like are to be construed broadly, and may be, for example," connected to, "wall-mounted," connected to, removably connected to, or integrally connected to, mechanically connected to, electrically connected to, directly connected to, or indirectly connected to, through an intermediary, and may be in communication with each other between two elements, as will be apparent to those of ordinary skill in the art, in view of the detailed description of the terms herein.
Referring to fig. 1-6, the present embodiment provides a screw compressor front cover processing quick positioning tool, including: the positioning device comprises a circle center positioning device 1 for positioning a sealing hole surface of a screw compressor front cover, a positioning column 2 for positioning an end surface of the screw compressor front cover, a circumferential positioning device 3 for abutting and positioning a side surface of the screw compressor front cover and a bottom plate 4; the circle center positioning device 1, the positioning column 2 and the circumferential positioning device 3 are respectively arranged on the bottom plate 4.
The circle center positioning device 1 comprises: the tensioning screw 5, the expansion sleeve blind rivet 6, the expansion sleeve 7 and the expansion bolt 8 are sequentially arranged from top to bottom; tightening the tensioning screw 5, and enabling the expansion sleeve 8 to expand and tightly contact with the sealing hole surface 13 of the screw compressor front cover to realize the positioning of the circle center through the relative movement of the expansion sleeve 7 and the bolt 8.
The circumferential positioning device 3 comprises a quick clamp 9, a spring 10 and a circumferential positioning block 11; the quick clamp 9 abuts the circumferential positioning block 11 against the side 14 of the screw compressor front cover by means of a spring 10.
The positioning columns 2 are arranged at intervals around the circle center positioning device 1
When the tool is used, a workpiece machined in the previous process is placed on the tool, the expansion sleeve 7 limits the sealing hole surface 13 of the workpiece, and the positioning column 2 positions the end surface 11 of the workpiece; then pulling the quick clamp 9 to be in a clamping position, and tightly leaning the circumferential positioning block 11 against the side surface 14 of the workpiece by the quick clamp 9 through a spring 10 so as to ensure the circumferential position of the workpiece; and then tightening the tensioning screw 5, and enabling the expansion sleeve 8 to expand and tightly contact with the sealing hole surface 13 of the workpiece to realize the positioning of the circle center through the relative movement of the expansion sleeve 7 and the bolt 8. Machining the hole site of the workpiece and the motor housing mating spigot in this state can ensure positional tolerances between the machined feature and the workpiece sealing face 13.
After the processing is finished, the tensioning screw 5 is unscrewed in sequence, the quick clamp 9 is loosened, the expansion sleeve 7 is automatically contracted under the action of the conical surface, and is separated from the sealing hole surface 13 of the workpiece, and then the workpiece can be directly taken away for the next processing cycle.
The foregoing is only a preferred embodiment of the present utility model, but the design concept of the present utility model is not limited thereto, and any person skilled in the art will be able to make insubstantial modifications of the present utility model within the scope of the present utility model disclosed herein by this concept, which falls within the actions of invading the protection scope of the present utility model.
Claims (4)
1. Quick location frock of screw compressor protecgulum processing, its characterized in that includes: the circular center positioning device (1) is used for positioning the sealing hole surface of the screw compressor front cover, the positioning column (2) is used for positioning the end surface of the screw compressor front cover, and the circumferential positioning device (3) and the bottom plate (4) are used for being positioned in abutting connection with the side surface of the screw compressor front cover; the circle center positioning device (1), the positioning column (2) and the circumferential positioning device (3) are respectively arranged on the bottom plate (4).
2. The screw compressor front cover machining quick positioning tool of claim 1, wherein: the circle center positioning device (1) comprises: the tensioning screw (5), the expansion sleeve blind rivet (6), the expansion sleeve (7) and the expansion bolt (8) are sequentially arranged from top to bottom; tightening the tensioning screw (5), and enabling the expansion sleeve (7) to expand and tightly contact with the sealing hole surface (13) of the screw compressor front cover to realize positioning of the circle center through relative movement of the expansion sleeve (7) and the expansion bolt (8).
3. The screw compressor front cover machining quick positioning tool of claim 1, wherein: the circumferential positioning device (3) comprises a quick clamp (9), a spring (10) and a circumferential positioning block (11); the quick clamp (9) abuts the circumferential positioning block (11) against the side face (14) of the screw compressor front cover through the spring (10).
4. The screw compressor front cover machining quick positioning tool of claim 1, wherein: the positioning columns (2) are arranged at intervals around the circle center positioning device (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321378125.9U CN219945341U (en) | 2023-06-01 | 2023-06-01 | Quick location frock of screw compressor protecgulum processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321378125.9U CN219945341U (en) | 2023-06-01 | 2023-06-01 | Quick location frock of screw compressor protecgulum processing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219945341U true CN219945341U (en) | 2023-11-03 |
Family
ID=88545866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321378125.9U Active CN219945341U (en) | 2023-06-01 | 2023-06-01 | Quick location frock of screw compressor protecgulum processing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219945341U (en) |
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2023
- 2023-06-01 CN CN202321378125.9U patent/CN219945341U/en active Active
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