CN212070541U - Milling device for crank shaft tail groove of air condition compressor - Google Patents
Milling device for crank shaft tail groove of air condition compressor Download PDFInfo
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- CN212070541U CN212070541U CN202020572155.3U CN202020572155U CN212070541U CN 212070541 U CN212070541 U CN 212070541U CN 202020572155 U CN202020572155 U CN 202020572155U CN 212070541 U CN212070541 U CN 212070541U
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- crankshaft
- workpiece clamping
- clamping seat
- saw blade
- milling cutter
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Abstract
The utility model discloses an air condition compressor bent axle tail-groove milling unit, include: the sliding table is movably arranged on the machine tool; the fixing mechanism comprises a base, a workpiece clamping seat and a rotary oil cylinder; the base is fixed on the sliding table, the workpiece clamping seat is arranged on the base, a through hole for placing a crankshaft is formed in the workpiece clamping seat along the moving direction of the sliding table, and the bottom of the through hole is of a V-shaped structure; an opening communicated with the through hole from top to bottom is formed above the workpiece clamping seat, and the rotary oil cylinder drives a pressing block to enter the workpiece clamping seat from the opening to press the crankshaft; the turning mechanism comprises a power component and a saw blade milling cutter driven by the power component; the saw blade milling cutter is positioned on the moving path of the crankshaft; the sliding table drives a crankshaft fixed on the fixing mechanism to be close to/far away from the turning mechanism, and contact/separation of the crankshaft and the saw blade milling cutter is achieved.
Description
Technical Field
The utility model relates to a compressor crankshaft machining field especially relates to an air condition compressor bent axle tail groove milling unit.
Background
The crankshaft is the most important component in the compressor. It takes the force from the connecting rod and converts it into torque which is output by the crankshaft and drives other accessories. The crankshaft is complex to machine, and the body of the crankshaft is often required to be provided with structures such as grooves and holes; crankshafts with different structures need different devices for processing, and even if crankshafts with different structures are the same, crankshafts can be processed by different equipment; fig. 1 shows a relatively conventional air conditioner compressor crankshaft 100, in which a main shaft 110 is provided with an eccentric mass 120; when the end of the main shaft 110 needs to be provided with the tail groove 130, no corresponding equipment capable of efficiently and accurately machining exists.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides an air condition compressor bent axle tail groove milling device can solve the processing that current bent axle offered the tail groove and high-efficient, accurate problem inadequately.
The technical scheme of the utility model is realized like this:
an air condition compressor crankshaft tail groove milling device includes:
the sliding table is movably arranged on the machine tool;
the fixing mechanism comprises a base, a workpiece clamping seat and a rotary oil cylinder; the base is fixed on the sliding table, the workpiece clamping seat is arranged on the base, a through hole for placing a crankshaft is formed in the workpiece clamping seat along the moving direction of the sliding table, and the bottom of the through hole is of a V-shaped structure; an opening communicated with the through hole from top to bottom is formed above the workpiece clamping seat, and the rotary oil cylinder drives a pressing block to enter the workpiece clamping seat from the opening to press the crankshaft;
the turning mechanism comprises a power component and a saw blade milling cutter driven by the power component; the saw blade milling cutter is positioned on the moving path of the crankshaft;
the sliding table drives a crankshaft fixed on the fixing mechanism to be close to/far away from the turning mechanism, and contact/separation of the crankshaft and the saw blade milling cutter is achieved.
As a further alternative of the milling device for the crank shaft tail groove of the air conditioner compressor, a mounting groove is formed in the base along the moving direction, a plurality of mounting holes are formed in the mounting groove along the moving direction, and the workpiece clamping seat is detachably connected with the mounting holes in the mounting groove.
As a further alternative of the milling device for the crank shaft tail groove of the air conditioner compressor, a positioning block is arranged on the base and is arranged between the saw blade milling cutter and the workpiece clamping seat; one side of the positioning block is used for the end part of the crankshaft to abut against, a reserved groove for the saw blade milling cutter to penetrate through so as to mill the crankshaft is formed in the positioning block, and the reserved groove corresponds to the center line of the V-shaped structure of the crankshaft; the width of the preformed groove is larger than the thickness of the saw blade milling cutter, but smaller than the diameter of the end part of the crankshaft abutted against the positioning block.
As a further alternative of the milling device for the crank shaft tail groove of the air conditioner compressor, the positioning block is fixed on the base through a vertically arranged long hole.
As a further alternative of the milling device for the crank shaft tail groove of the air conditioner compressor, a limiting member is arranged at one end, far away from the saw blade milling cutter, of the workpiece clamping seat in the moving direction, and the limiting member comprises a U-shaped limiting seat and two limiting pieces symmetrically arranged on the inner side of the limiting seat; the center line of the limiting seat corresponds to the center line of the V-shaped structure of the crankshaft; the eccentric block on the crankshaft is arranged between the two limit pieces.
As a further alternative of the milling device for the crank shaft tail groove of the air conditioner compressor, the limiting piece is a bolt, the bolt is in threaded fit with the side wall of the limiting seat, and a nut of the bolt is abutted against an eccentric block on the crank shaft; the bolt penetrates through the side wall of the limiting seat and then is connected with the nut.
As a further alternative of the milling device for the crank shaft tail groove of the air conditioner compressor, the limiting seat is fixed on the workpiece clamping seat through a vertically arranged long hole.
The beneficial effects of the utility model are that: the V-shaped structure is used for placing the crankshaft, and the rotary oil cylinder is used for driving the pressing block to be pressed tightly, so that the crankshaft is prevented from being shifted in position during machining; utilize the slip table to drive the bent axle and remove to saw bit milling cutter, automatic feeding, high-efficient processing.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a crankshaft of an air conditioner compressor;
FIG. 2 is a schematic structural view of the milling device for the crank shaft tail groove of the air condition compressor of the present invention;
FIG. 3 is a schematic structural view of the fixing mechanism;
FIG. 4 is a second schematic structural view of the fixing mechanism;
FIG. 5 is an exploded view of the securing mechanism;
fig. 6 is a schematic view of the saw blade milling cutter and the positioning block.
In the figure: 100. a crankshaft; 110. a main shaft; 120. an eccentric block; 130. a tail groove;
1. a sliding table; 2. a fixing mechanism; 21. a base; 211. mounting holes; 22. a workpiece clamping seat; 221. a through hole; 222. an opening; 23. rotating the oil cylinder; 231. briquetting; 24. positioning blocks; 241. reserving a groove; 25. a stop member; 251. a limiting seat; 252. a bolt; 253. a nut; 3. a turning mechanism; 31. a saw blade milling cutter; 32. a power member.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "above," and "over" a second feature may mean that the first feature is directly above or obliquely above the second feature, or that only the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
Referring to fig. 2-6, there is shown an air conditioner compressor crankshaft tail slot milling device, comprising: a slide table 1 which is movably provided on a machine tool (not shown); the fixing mechanism 2 comprises a base 21, a workpiece clamping seat 22 and a rotary oil cylinder 23; the base 21 is fixed on the sliding table 1, the workpiece clamping seat 22 is arranged on the base 21, a through hole 221 for placing a crankshaft is formed in the workpiece clamping seat 22 along the moving direction of the sliding table 1, and the bottom of the through hole 221 is of a V-shaped structure; an opening 222 communicated with the through hole 221 from top to bottom is formed above the workpiece clamping seat 22, and the rotary oil cylinder 23 drives a pressing block 231 to enter the workpiece clamping seat 22 from the opening 222 to press the crankshaft; a turning mechanism 3 including a power member 32 and a blade cutter 31 driven by the power member 32; the saw blade milling cutter 31 is positioned on the moving path of the crankshaft; the sliding table 1 drives a crankshaft fixed on the fixing mechanism 2 to approach/depart from the turning mechanism 3, so that the crankshaft and the saw blade milling cutter 31 are contacted/separated.
Specifically, the turning mechanism 3 is fixed in position, and the sliding table 1 can move on a machine tool; inserting the main shaft 110 of the crankshaft from the through hole 221 of the workpiece clamping seat 22, wherein the eccentric block 120 on the main shaft 110 does not enter the through hole 221; the main shaft 110 is clamped on the V-shaped structure at the bottom of the through hole 221; a pressing block 231 is driven by the rotary oil cylinder 23, the pressing block 231 enters from an opening 222 above the workpiece clamping seat 22, and the pressing block 231 presses the crankshaft on the V-shaped structure at the bottom of the through hole 221; after the crankshaft is fixed, the feeding of the sliding table 1 is controlled, the sliding table 1 is close to the turning mechanism 3, and then the crankshaft is contacted with the saw blade milling cutter 31, so that a tail groove 130 is milled; and then controlling the material returning of the sliding table 1, wherein the sliding table 1 is far away from the turning mechanism 3, then the crankshaft is separated from the saw blade milling cutter 31, the machining is completed, the rotating oil cylinder 23 drives the pressing block 231 to move, and a worker draws the crankshaft out of the through hole 221.
Therefore, the crankshaft is placed in the V-shaped structure, and the rotating oil cylinder 23 is used for driving the pressing block 231 to be pressed tightly, so that the position deviation of the crankshaft during processing is avoided; utilize slip table 1 to drive the bent axle and remove to saw bit milling cutter 31, automatic feeding, high-efficient processing.
In some specific embodiments, in order to adapt to more crankshafts with different lengths, referring to fig. 5, a mounting groove is formed in the base 21 along the moving direction, a plurality of mounting holes 211 are formed in the mounting groove along the moving direction, and the workpiece holder 22 is detachably connected to the mounting holes 211 in the mounting groove. In this manner, the position of the workpiece holder 22 on the base 21 can be easily adjusted.
In the above solution, in order to make the crankshaft more stable during milling, referring to fig. 3 and 5, a positioning block 24 is disposed on the base 21, and the positioning block 24 is disposed between the blade milling cutter 31 and the workpiece clamping seat 22; one side of the positioning block 24 is used for abutting against the end of the crankshaft, a reserved groove 241 for the saw blade milling cutter 31 to pass through so as to mill the crankshaft is arranged on the positioning block 24, and the reserved groove 241 corresponds to the middle line of the V-shaped structure of the crankshaft; the width of the preformed groove 241 is larger than the thickness of the blade milling cutter 31, but smaller than the diameter of the end of the crankshaft abutting against the positioning block 24.
In other words, the end of the tail slot 130 of the crankshaft needs to be milled and abutted against the positioning block 24, on one hand, when the saw blade milling cutter 31 is in contact with the crankshaft, the end of the crankshaft can be effectively prevented from being severely vibrated so as to influence the position accuracy of the tail slot 130; on the other hand, when the worker inserts the crankshaft into the through hole 221, the end of the crankshaft can be quickly abutted against the positioning block 24, so that the position of the crankshaft is prevented from being adjusted for a long time, and quick positioning is realized.
In addition, in order to adapt to crankshafts with different diameters, the positioning block 24 may be fixed to the base 21 through a vertically arranged long hole. This facilitates adjustment of the position of the locating block 24.
In the above solution, the general tail slot 130 is a central line corresponding to the eccentric block 120, and in order to quickly locate the machining position of the tail slot 130, referring to fig. 4 and 5, a limiting member 25 is disposed at one end of the workpiece clamping seat 22, which is farther from the blade milling cutter 31 in the moving direction, and the limiting member 25 includes a U-shaped limiting seat 251 and two limiting members symmetrically disposed inside the limiting seat 251; the central line of the limiting seat 251 corresponds to the central line of the V-shaped structure of the crankshaft; the eccentric mass 120 on the crankshaft is disposed between the two stoppers.
In other words, the distance between the two symmetrically disposed limiting members is equal to the diameter of the eccentric block 120, when a worker puts a crankshaft into the through hole 221, the main shaft 110 is positioned by the V-shaped structure at the bottom of the through hole 221, and if the eccentric block 120 is to enter between the two limiting members, the position must be adjusted, so that the two sides of the eccentric block 120 are symmetrical with respect to the center line of the main shaft 110; the machining position of the tail groove 130 can be quickly positioned.
The limiting member is a bolt 252, the bolt 252 is in threaded fit with the side wall of the limiting seat 251, and a nut of the bolt 252 is abutted against the eccentric block 120 on the crankshaft; the bolt 252 penetrates through the sidewall of the retainer 251 and is connected with the nut 253. Therefore, the distance between the two bolts 252 can be conveniently adjusted, and the eccentric blocks 120 of crankshafts with different sizes can be adapted. In addition, in order to adapt to more crankshafts with different diameters, the limiting seat 251 is fixed on the workpiece clamping seat 22 through a vertically arranged long hole.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides an air condition compressor bent axle tail groove milling unit which characterized in that includes:
the sliding table is movably arranged on the machine tool;
the fixing mechanism comprises a base, a workpiece clamping seat and a rotary oil cylinder; the base is fixed on the sliding table, the workpiece clamping seat is arranged on the base, a through hole for placing a crankshaft is formed in the workpiece clamping seat along the moving direction of the sliding table, and the bottom of the through hole is of a V-shaped structure; an opening communicated with the through hole from top to bottom is formed above the workpiece clamping seat, and the rotary oil cylinder drives a pressing block to enter the workpiece clamping seat from the opening to press the crankshaft;
the turning mechanism comprises a power component and a saw blade milling cutter driven by the power component; the saw blade milling cutter is positioned on the moving path of the crankshaft;
the sliding table drives a crankshaft fixed on the fixing mechanism to be close to/far away from the turning mechanism, and contact/separation of the crankshaft and the saw blade milling cutter is achieved.
2. The milling device for the crank shaft tail groove of the air conditioner compressor as claimed in claim 1, wherein the base is provided with an installation groove along the moving direction, a plurality of installation holes are formed in the installation groove along the moving direction, and the workpiece clamping seat is detachably connected to the installation holes in the installation groove.
3. The milling device for the crank shaft tail groove of the air condition compressor as claimed in claim 2, wherein a positioning block is arranged on the base, and the positioning block is arranged between the saw blade milling cutter and the workpiece clamping seat; one side of the positioning block is used for the end part of the crankshaft to abut against, a reserved groove for the saw blade milling cutter to penetrate through so as to mill the crankshaft is formed in the positioning block, and the reserved groove corresponds to the center line of the V-shaped structure of the crankshaft; the width of the preformed groove is larger than the thickness of the saw blade milling cutter, but smaller than the diameter of the end part of the crankshaft abutted against the positioning block.
4. The milling device for the tail groove of the crankshaft of the air-conditioning compressor as claimed in claim 3, wherein the positioning block is fixed on the base through a vertically arranged long hole.
5. The milling device for the crank shaft tail groove of the air condition compressor as claimed in claim 2, wherein a limiting member is arranged at one end of the workpiece clamping seat which is far away from the saw blade milling cutter in the moving direction, and the limiting member comprises a U-shaped limiting seat and two limiting members symmetrically arranged at the inner side of the limiting seat; the center line of the limiting seat corresponds to the center line of the V-shaped structure of the crankshaft; the eccentric block on the crankshaft is arranged between the two limit pieces.
6. The milling device for the crank shaft tail groove of the air condition compressor as claimed in claim 5, wherein the limiting member is a bolt, the bolt is in threaded fit with the side wall of the limiting seat, and the nut of the bolt abuts against an eccentric block on the crank shaft; the bolt penetrates through the side wall of the limiting seat and then is connected with the nut.
7. The milling device for the tail groove of the crankshaft of the air condition compressor as claimed in claim 6, wherein the limiting seat is fixed on the workpiece clamping seat through a vertically arranged long hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020572155.3U CN212070541U (en) | 2020-04-17 | 2020-04-17 | Milling device for crank shaft tail groove of air condition compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020572155.3U CN212070541U (en) | 2020-04-17 | 2020-04-17 | Milling device for crank shaft tail groove of air condition compressor |
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| Publication Number | Publication Date |
|---|---|
| CN212070541U true CN212070541U (en) | 2020-12-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020572155.3U Active CN212070541U (en) | 2020-04-17 | 2020-04-17 | Milling device for crank shaft tail groove of air condition compressor |
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| CN (1) | CN212070541U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112643098A (en) * | 2020-12-07 | 2021-04-13 | 安徽方兴实业股份有限公司 | Multi-surface machining device based on multi-way flange |
| CN115415590A (en) * | 2022-09-15 | 2022-12-02 | 中山精航智能科技有限公司 | Milling tool for crank shaft tail groove of air condition compressor |
-
2020
- 2020-04-17 CN CN202020572155.3U patent/CN212070541U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112643098A (en) * | 2020-12-07 | 2021-04-13 | 安徽方兴实业股份有限公司 | Multi-surface machining device based on multi-way flange |
| CN115415590A (en) * | 2022-09-15 | 2022-12-02 | 中山精航智能科技有限公司 | Milling tool for crank shaft tail groove of air condition compressor |
| CN115415590B (en) * | 2022-09-15 | 2023-12-15 | 九江洋泰金属制品有限公司 | Milling tool for tail groove of crankshaft of air conditioner compressor |
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