CN219747552U - Grinding clamp for eccentric shaft of compressor crankshaft - Google Patents
Grinding clamp for eccentric shaft of compressor crankshaft Download PDFInfo
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- CN219747552U CN219747552U CN202321142261.8U CN202321142261U CN219747552U CN 219747552 U CN219747552 U CN 219747552U CN 202321142261 U CN202321142261 U CN 202321142261U CN 219747552 U CN219747552 U CN 219747552U
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- 238000003754 machining Methods 0.000 abstract description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The utility model discloses a grinding fixture for a crankshaft eccentric shaft of a compressor, which belongs to the technical field of crankshaft eccentric shaft machining fixing fixtures, and particularly relates to a grinding fixture for a crankshaft eccentric shaft of a compressor.
Description
Technical Field
The utility model relates to the technical field of crankshaft eccentric shaft machining fixing clamps, in particular to a grinding clamp for a compressor crankshaft eccentric shaft.
Background
Eccentric shaft type parts are one of the typical parts commonly used. The structure forms of the shaft parts are different, and the shaft parts can be generally divided into an optical axis eccentric shaft, a stepped shaft eccentric shaft, a special-shaped eccentric shaft and the like; or is divided into a solid eccentric shaft, a hollow eccentric shaft and the like. They are also used in machines to support transmission parts such as gears, pulleys, etc. for transmitting torque or motion.
The eccentric workpiece is a workpiece with the outer circle of the part and the outer circle or the outer circle of the part being parallel to the axis of the inner hole but not coincident with each other, and the distance between the two parallel axes is called the eccentricity, and a fixed clamp is needed when the eccentric shaft crankshaft is processed;
the grinding fixture comprises a base, a V-shaped positioning block and a compression block, wherein the V-shaped positioning block is fixed on the base through a first bolt, the compression block is positioned above the V-shaped positioning block and connected with the base through a driving piece, two filler strips are arranged between the bottom surface of the V-shaped positioning block and the base, and the longitudinal lines of the filler strips are perpendicular to the longitudinal lines of V-shaped grooves of the V-shaped positioning block; the base is provided with a side backing part, and two cushion blocks are arranged between one side surface of the V-shaped positioning block and the side backing part.
When the fixture is used, as the lengths and diameters of the crankshafts of the eccentric shafts are different, when the crankshafts are fixed with the V-shaped positioning blocks through the pressing blocks, a part of the crankshafts are located at the outer ends of the fixture, so that the crankshafts are subjected to external grinding force action in the V-shaped positioning blocks, and further the subsequent processing precision is affected.
Disclosure of Invention
This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description of the utility model and in the title of the utility model, which may not be used to limit the scope of the utility model.
Therefore, the utility model aims to provide a grinding fixture for an eccentric shaft of a compressor crankshaft, which is characterized in that a telescopic adjusting rod is matched with a pin to adjust the distance between two connecting frames, then two ends of the crankshaft are respectively inserted into connecting holes, the groove ends of a rotating shaft are attached to the outer sides of the corresponding crankshaft, a positioning bolt is rotated, the positioning bolt drives the rotating shaft to move downwards, so that the position of the crankshaft is fixed, and the grinding fixture is adapted to the fixing of crankshafts with different lengths. In order to solve the technical problems, according to one aspect of the present utility model, the following technical solutions are provided:
a compressor crankshaft eccentric shaft grinding jig, comprising:
the connecting part comprises two connecting frames serving as connecting base frames, and the two connecting frames are connected through a telescopic adjusting rod;
the connecting frame is provided with a connecting hole, and the top of the connecting frame is provided with a positioning hole communicated with the connecting hole;
the limiting and fixing component is connected to the connecting frame and comprises a positioning bolt assembled with the positioning hole in a threaded manner, a rotating shaft is rotatably connected to the inner side of the bottom end of the positioning bolt, and a concave groove matched with the outer side of the crankshaft is formed in the bottom end of the rotating shaft.
As a preferable scheme of the grinding fixture for the eccentric shaft of the crankshaft of the compressor, the utility model comprises the following steps: the pneumatic chuck is connected with the connecting hole corresponding to the outer side of the connecting frame, and the fixed end of the pneumatic chuck is arranged outside the connecting hole corresponding to the connecting hole.
As a preferable scheme of the grinding fixture for the eccentric shaft of the crankshaft of the compressor, the utility model comprises the following steps: the outer side of the telescopic adjusting rod is connected with a pin for fixing the length of the telescopic adjusting rod.
As a preferable scheme of the grinding fixture for the eccentric shaft of the crankshaft of the compressor, the utility model comprises the following steps: the pneumatic chuck is characterized in that the outer side of the pneumatic chuck is coated with a rubber sleeve, and criss-cross anti-slip stripes are arranged on the outer side of the rubber sleeve.
As a preferable scheme of the grinding fixture for the eccentric shaft of the crankshaft of the compressor, the utility model comprises the following steps: the outside of the positioning bolt is coated with an anti-skid sleeve.
Compared with the prior art: through telescopic adjustment pole and pin cooperation, adjust the interval between two link, then with the bent axle both ends cartridge respectively in the connecting hole, correspond the outside laminating of bent axle with the recess end of pivot, the rotatory positioning bolt drives the pivot and move down, and then fix the position of bent axle, the adaptation is fixed in the bent axle of different length, simultaneously, when fixed to the bent axle through the positioning bolt effect, extend the both ends of bent axle outside the link, it is fixed through pneumatic chuck clamping, further increase the fixed stability of bent axle.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following detailed description of the embodiments of the present utility model will be given with reference to the accompanying drawings, which are to be understood as merely some embodiments of the present utility model, and from which other drawings can be obtained by those skilled in the art without inventive faculty. Wherein:
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic diagram of an explosive structure according to the present utility model;
fig. 3 is a schematic side view of the present utility model.
In the figure: 100 connecting parts, 110 connecting frames, 111 connecting holes, 111a positioning holes, 120 telescopic adjusting rods, 200 limiting and fixing parts, 210 positioning bolts, 211 rotating shafts, 211a concave grooves, 220 air chucks and 221 rubber sleeves.
Detailed Description
In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present utility model is not limited to the specific embodiments disclosed below.
Next, the present utility model will be described in detail with reference to the drawings, wherein the sectional view of the device structure is not partially enlarged to general scale for the convenience of description, and the drawings are only examples, which should not limit the scope of the present utility model. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings.
The utility model provides a grinding fixture for an eccentric shaft of a crankshaft of an air conditioner compressor, referring to fig. 1-3, comprising a connecting part 100 and a limiting and fixing part 200;
1-3, the connecting component 100 comprises two connecting frames 110 serving as connecting base frames, the two connecting frames 110 are connected through a telescopic adjusting rod 120, pins (not labeled in the figure) for fixing the length of the telescopic adjusting rod 120 are connected to the outer side of the telescopic adjusting rod 120, the distance between the two connecting frames 110 is adjusted through the cooperation of the telescopic adjusting rod 120 and the pins, so that two ends of crankshafts with different lengths are conveniently fixed on the connecting frames 110 respectively, and the crankshafts with different lengths are adapted to be fixed;
the connecting frame 110 is provided with a connecting hole 111, the top of the connecting frame 110 is provided with a positioning hole 111a communicated with the connecting hole 111, two ends of a crankshaft are respectively inserted into the connecting hole 111, the groove end of the rotating shaft 211 is attached to the outer side of the corresponding crankshaft, the positioning bolt 210 is rotated, and the positioning bolt 210 drives the rotating shaft 211 to move downwards, so that the position of the crankshaft is fixed;
with continued reference to fig. 1-3, the limiting and fixing component 200 is connected to the connecting frame 110, and includes a positioning bolt 210 screwed with the positioning hole 111a, a rotating shaft 211 is rotatably connected to the inner side of the bottom end of the positioning bolt 210, and a concave groove 211a adapted to the outer side of the crankshaft is formed at the bottom end of the rotating shaft 211;
the connecting frame 110 outside corresponds the connecting hole 111 position and is connected with air chuck 220, and air chuck 220 stiff end corresponds the outside setting of connecting hole 111, and air chuck 220 chuck outside cladding has rubber sleeve 221, and criss-cross's antiskid stripe (not marked in the figure) has been seted up in the rubber sleeve 221 outside, when fixed to the bent axle through positioning bolt 210 effect, extends the both ends of bent axle outside connecting frame 110, and is fixed through air chuck 220 clamping, further increases the fixed stability of bent axle.
Working principle: when the crankshaft fixing device is used, the distance between the two connecting frames 110 is adjusted through the matching of the telescopic adjusting rods 120 and the pins, then two ends of a crankshaft are respectively inserted into the connecting holes 111, the groove ends of the rotating shaft 211 are attached to the outer sides of the corresponding crankshafts, the positioning bolts 210 are rotated, the positioning bolts 210 drive the rotating shaft 211 to move downwards, the positions of the crankshafts are fixed and are adapted to the fixation of crankshafts with different lengths, meanwhile, the two ends of the crankshaft extend out of the connecting frames 110 and are clamped and fixed through the air chucks 220 while the crankshafts are fixed through the action of the positioning bolts 210, and the stability of crankshaft fixation is further improved.
Although the utility model has been described hereinabove with reference to embodiments, various modifications thereof may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the features of the disclosed embodiments may be combined with each other in any manner as long as there is no structural conflict, and the exhaustive description of these combinations is not given in this specification merely for the sake of omitting the descriptions and saving resources. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.
Claims (5)
1. A compressor crankshaft eccentric shaft grinding jig, comprising:
the connecting component (100) comprises two connecting frames (110) serving as connecting base frames, and the two connecting frames (110) are connected through a telescopic adjusting rod (120);
a connecting hole (111) is formed in the connecting frame (110), and a positioning hole (111 a) communicated with the connecting hole (111) is formed in the top of the connecting frame (110);
the limiting and fixing component (200) is connected to the connecting frame (110) and comprises a positioning bolt (210) which is in threaded fit with the positioning hole (111 a), a rotating shaft (211) is rotatably connected to the inner side of the bottom end of the positioning bolt (210), and a concave groove (211 a) which is matched with the outer side of the crankshaft is formed in the bottom end of the rotating shaft (211).
2. The grinding fixture for the eccentric shaft of the compressor crankshaft according to claim 1, wherein an air chuck (220) is connected to the outer side of the connecting frame (110) at a position corresponding to the connecting hole (111), and a fixed end of the air chuck (220) is arranged outside the connecting hole (111).
3. The grinding fixture for the eccentric shaft of the compressor crankshaft according to claim 1, wherein a pin fixed to the length of the telescopic adjusting rod (120) is connected to the outer side of the telescopic adjusting rod (120).
4. The grinding fixture for the eccentric shaft of the compressor crankshaft according to claim 2, wherein the outer side of the chuck of the air chuck (220) is coated with a rubber sleeve (221), and criss-cross anti-slip stripes are arranged on the outer side of the rubber sleeve (221).
5. The grinding fixture for the eccentric shaft of the compressor crankshaft according to claim 1, wherein the positioning bolt (210) is externally coated with an anti-skid sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321142261.8U CN219747552U (en) | 2023-05-12 | 2023-05-12 | Grinding clamp for eccentric shaft of compressor crankshaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321142261.8U CN219747552U (en) | 2023-05-12 | 2023-05-12 | Grinding clamp for eccentric shaft of compressor crankshaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219747552U true CN219747552U (en) | 2023-09-26 |
Family
ID=88081109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321142261.8U Active CN219747552U (en) | 2023-05-12 | 2023-05-12 | Grinding clamp for eccentric shaft of compressor crankshaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219747552U (en) |
-
2023
- 2023-05-12 CN CN202321142261.8U patent/CN219747552U/en active Active
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