CN107378575B - Tool for cutting crankshaft positioning groove - Google Patents
Tool for cutting crankshaft positioning groove Download PDFInfo
- Publication number
- CN107378575B CN107378575B CN201710737498.3A CN201710737498A CN107378575B CN 107378575 B CN107378575 B CN 107378575B CN 201710737498 A CN201710737498 A CN 201710737498A CN 107378575 B CN107378575 B CN 107378575B
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- CN
- China
- Prior art keywords
- cylinder
- plate
- guide rail
- fixing plate
- crankshaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/08—Work-clamping means other than mechanically-actuated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C3/00—Milling particular work; Special milling operations; Machines therefor
- B23C3/28—Grooving workpieces
- B23C3/30—Milling straight grooves, e.g. keyways
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q2703/00—Work clamping
- B23Q2703/02—Work clamping means
- B23Q2703/04—Work clamping means using fluid means or a vacuum
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
- Milling, Broaching, Filing, Reaming, And Others (AREA)
Abstract
The invention discloses a crankshaft positioning groove cutting tool which comprises a base plate (1), a cylinder fixing plate (2), a first cylinder (5), a second linear guide rail (19), a sliding block fixing plate (6), an adjusting plate (8), a fixing seat (10), a second cylinder (9), a clamp body (11), a guide rail fixing plate (16), a first linear guide rail (17), a clamping plate (13), a cylinder fixing plate (14) and a double-shaft cylinder (18), wherein the double-shaft cylinder (18) is used for driving the clamping plate (13) to contact a crankshaft (20), the second cylinder (9) acts to compress the crankshaft (20), and the first cylinder (5) acts to drag the clamp body (11). The tooling disclosed by the invention realizes quick processing of the crankshaft positioning groove, has very good control of symmetry, obviously improves the product quality, improves the internal qualification rate of the product to more than 99.8%, is not influenced by manually clamping a workpiece, and reduces the offline rate of a client side from 6% to within 0.8%.
Description
Technical Field
The invention belongs to the technical field of machining, and particularly relates to a tool for cutting a crankshaft positioning groove.
Background
The compressor is a heart of a refrigerating system, and sucks low-temperature and low-pressure refrigerant gas from the air suction pipe, drives the piston to compress the refrigerant gas through the motor, and then discharges the high-temperature and high-pressure refrigerant gas to the exhaust pipe to provide power for the refrigerating cycle, so that the refrigerating cycle of compression, condensation, expansion and evaporation is realized.
At present, most of compressors of domestic refrigerators are positive displacement compressors, wherein the compressors can be divided into reciprocating compressors and rotary compressors, and main parts comprise a crank case, a piston, a crankshaft, a connecting rod, a motor and the like. The crankcase is a basic body of the whole structure, and almost all parts are assembled on the basis of the basic body.
The crankshaft structure of the refrigerator compressor is complex, many processes are all positioned by blank surfaces, the casting precision is low, the positioning reference is difficult to select, therefore, the positioning groove is difficult to process, the quality is difficult to ensure that the existing processing method mostly adopts the positioning of two shoulder surfaces of a balance block for processing, or adopts the positioning of the excircle of an eccentric shaft, and the linear motion part of the tool mostly adopts a dovetail or T-shaped groove structure for guiding
However, the positioning mode of two shoulder surfaces of the balance weight is poor in effect, some blank surfaces have sarcoma defects, consistency of positioning references cannot be guaranteed, symmetry cannot be guaranteed, some eccentric shafts are used for positioning the outer circles of the eccentric shafts, but most of movement guiding parts adopt dovetail or T-shaped groove structures, clearance control of the structures greatly influences linear operation precision, internal qualification rate of products is about 90%, the offline rate of clients is up to 6, and loss is large. In addition, the processing quality of the positioning groove has a great relationship with the proficiency and responsibility of staff, and the human influence factor is great.
Disclosure of Invention
Aiming at the defects or improvement demands of the prior art, the invention provides a tool for cutting a crankshaft positioning groove, which aims to realize quick processing of the crankshaft positioning groove of a refrigerator compressor, has very good control of symmetry, improves the internal qualification rate of products to more than 99.8%, is not influenced by manually clamping workpieces, and reduces the offline rate of a client side from 6% to within 0.8%.
In order to achieve the above purpose, the invention provides a tool for cutting a positioning groove of a crankshaft, which comprises a bottom plate,
one end of the upper surface of the bottom plate is provided with an air cylinder fixing plate, and one end face of the air cylinder fixing plate is provided with a first air cylinder;
the other end of the upper surface of the bottom plate is provided with a second linear guide rail, the upper surface of the second linear guide rail is provided with a sliding block fixing plate, and the upper surface of the sliding block fixing plate is provided with an adjusting plate;
the upper surface of the adjusting plate is provided with a fixed seat, one side surface of the fixed seat is provided with a second air cylinder, a square hole of the fixed seat is internally provided with a fixture body, the other side surface of the fixed seat is provided with a guide rail fixing plate, the guide rail fixing plate is provided with a first linear guide rail, and a slide block of the first linear guide rail is provided with a clamping plate;
the upper surface of fixing base is equipped with the cylinder fixed plate, be equipped with biax cylinder on the cylinder fixed plate, biax cylinder is used for driving the cardboard contacts the bent axle, the cardboard is used for right in the bent axle carries out the symmetry with the main shaft and divides, the second cylinder action is used for compressing tightly the bent axle, first cylinder action is used for dragging the action of the anchor clamps body.
Further, be equipped with cylinder joint and T type connecting seat between first cylinder with the regulating plate, cylinder joint pass through the screw thread with first cylinder is connected, T type connecting seat with connect through T type groove between the cylinder, and be floating structure, be used for reducing processing error and the assembly error of each part and to the action damage of first cylinder.
Further, be equipped with the connecting block between cardboard with first linear guide, the connecting block is used for realizing biax cylinder with the connection of cardboard, biax cylinder is used for providing power drive the cardboard is in reciprocating straight line slip on the first linear guide.
Further, a reinforcing rib is arranged on the other end face of the cylinder fixing plate, and the reinforcing rib is used for guaranteeing stability of the first cylinder during action;
further, a flat key is arranged between the slider fixing plate and the adjusting plate, so that the adjusting plate can slide along the flat key in the adjusting process, and the positions of other directions are unchanged.
Further, the clamp body is a square inner hole and is equivalent to a double-V-shaped structure, and the clamp body is used for quickly finding the center of the crankshaft when clamping the crankshaft.
In general, the above technical solutions conceived by the present invention, compared with the prior art, enable the following beneficial effects to be obtained:
(1) The tooling for cutting the crankshaft positioning groove realizes quick processing of the crankshaft positioning groove of the refrigerator compressor, has very good control of symmetry, obviously improves the product quality, improves the internal qualification rate of the product to more than 99.8%, is not influenced by manually clamping workpieces, and reduces the off-line rate of a client side from 6% to within 0.8%.
(2) The tool for cutting the crankshaft positioning groove has the advantages of high safety, simple and convenient operation, reduced requirement on staff skills and greatly reduced influence on the staff proficiency and responsibility in the clamping and processing process.
(3) The tooling for cutting the crankshaft positioning groove improves the quality of the positioning groove and provides a high-precision positioning reference for the subsequent positioning procedure by using the positioning groove.
Drawings
FIG. 1 is a schematic three-dimensional structure of a tool for cutting a positioning groove of a crankshaft according to an embodiment of the present invention;
FIG. 2 is a front view of a tool for cutting a positioning groove of a crankshaft according to an embodiment of the present invention;
FIG. 3 is a top view of a tooling for cutting a positioning groove of a crankshaft according to an embodiment of the present invention;
fig. 4 is a left side view of a tool for cutting a positioning groove of a crankshaft according to an embodiment of the present invention.
In all the figures the same reference numerals denote the same structures and parts, wherein 1-bottom plate, 2-cylinder fixing plate, 3-cylinder joint, 4-T-shaped connecting seat, 5-first cylinder, 6-slide fixing plate, 7-flat key, 8-adjusting plate, 9-second cylinder, 10-fixing seat, 11-clamp body, 12-stop lever fixing plate, 13-clamping plate, 14-cylinder fixing plate, 15-connecting block, 16-guide fixing plate, 17-first straight guide rail, 18-double-shaft cylinder, 19-second straight guide rail, 20-crankshaft, 21-cut-positioning slot blade, 22-gland, 23-cut-positioning slot cutter bar.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention. In addition, the technical features of the embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.
Fig. 1 is a schematic three-dimensional structure of an embodiment of the present invention, fig. 2 is a front view of an embodiment of the present invention, fig. 3 is a top view of an embodiment of the present invention, and fig. 4 is a left view of an embodiment of the present invention. As shown in fig. 1 to 4, the crankshaft positioning groove cutting tool comprises a bottom plate 1, a cylinder fixing plate 2, a cylinder joint 3, a T-shaped connecting seat 4, a first cylinder 5, a sliding block fixing plate 6, a flat key 7, an adjusting plate 8, a second cylinder 9, a fixing seat 10, a clamp body 11, a stop lever fixing plate 12, a clamping plate 13, a cylinder fixing plate 14, a connecting block 15, a guide rail fixing plate 16, a first linear guide rail 17, a double-shaft cylinder 18, a second linear guide rail 19, a positioning groove cutting blade 21, a gland 22 and a positioning groove cutting cutter bar 23.
As shown in fig. 1, a bottom plate 1 of the tool is connected to a workbench surface of a vertical milling machine by 4 high-strength bolts, a cylinder fixing plate 2 is arranged at the left end of the upper surface of the bottom plate 1, a first cylinder 5 is arranged on the vertical surface of the cylinder fixing plate 2, and a reinforcing rib is arranged on the other vertical surface of the fixing seat so as to ensure the stability of the first cylinder 5 during action. Two sets of second linear guide 19 are installed to the other end of bottom plate 1 upper surface, and the upper surface mounting slider fixed plate 6 of second linear guide 19 slider, the upper surface mounting adjustment board 8 of slider fixed plate 6 are equipped with flat key 7 between slider fixed plate and the adjustment board 8 to guarantee that adjustment board 8 slides along flat key 7 in the adjustment process, and other direction positions are unchangeable.
The fixing base 10 is installed on the upper surface of the adjusting plate 8, the second air cylinder 9 is installed on the left side surface of the fixing base 10, the fixture body 11 is installed in the square hole of the fixing base 10, the fixture body 11 is a square inner hole, the structure is equivalent to a double V-shaped structure, and the center of the crankshaft 20 can be quickly found when the crankshaft 20 is clamped. The same end of the slide block fixing plate 6 and the adjusting plate 8 is provided with a stop lever fixing plate 12.
The right upper surface of the fixed seat 10 is provided with a guide rail fixing plate 16, the guide rail fixing plate 16 is provided with a first linear guide rail 17, and a slide block of the first linear guide rail 17 is provided with a V-shaped clamping plate 13 for symmetrically dividing the eccentric shaft and the main shaft of the crankshaft. The upper surface of the fixing seat 10 is provided with a cylinder fixing plate 14, a double-shaft cylinder 18 is arranged on the cylinder fixing plate, the double-shaft cylinder 18 and the clamping plate 13 are connected together by a connecting block 15, and the double-shaft cylinder 18 provides power to enable the clamping plate 13 to slide on a first linear guide rail 17 in a reciprocating and linear mode.
The slide block fixing plate 6 and all the above components are connected together by screws to form a unit to do linear reciprocating motion on the second linear guide rail 19, so as to complete the cutter feeding and retracting actions of the cutting positioning groove. The power of the whole action is provided by a first air cylinder 5, the first air cylinder 5 is connected with an air cylinder connector 3 through threads, the air cylinder connector 3 is connected with a T-shaped connecting seat 4 through a T-shaped groove and is of a floating structure, so that the action damage of machining errors and assembly errors of all parts to the air cylinder 5 is reduced.
The whole clamping process is briefly described as follows, the crankshaft 20 is inserted into the clamp body 11, the clamping button is pressed, the double-shaft air cylinder 18 acts to drive the clamping plate 13 to contact the crankshaft 20, the crankshaft 20 is symmetrically aligned in the clamp body 11, then the second air cylinder 9 acts to compress the crankshaft 20, and finally the first air cylinder 5 acts to drag the whole clamp part to act, so that the primary positioning groove cutting action is completed. The special device can realize the quick one-time forming of the crankshaft positioning groove of the refrigerator compressor, has stable symmetry and safe and simple operation, and is very suitable for mass production.
The tooling for cutting the crankshaft positioning groove realizes quick processing of the crankshaft positioning groove of the refrigerator compressor, has very good control of symmetry, obviously improves the product quality, improves the internal qualification rate of the product to more than 99.8%, is not influenced by manually clamping workpieces, and reduces the off-line rate of a client side from 6% to within 0.8%. In addition, in the clamping processing process, the safety is high, the operation is simple and convenient, the requirements on staff skills are reduced, and the influence of the staff proficiency and responsibility is greatly reduced. In addition, the tooling for cutting the crankshaft positioning groove improves the quality of the positioning groove, and provides a high-precision positioning reference for the later positioning procedure of using the positioning groove.
It will be readily appreciated by those skilled in the art that the foregoing description is merely a preferred embodiment of the invention and is not intended to limit the invention, but any modifications, equivalents, improvements or alternatives falling within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (5)
1. The utility model provides a cut bent axle constant head tank frock, includes bottom plate (1), its characterized in that:
one end of the upper surface of the bottom plate (1) is provided with an air cylinder fixing plate (2), and one end surface of the air cylinder fixing plate (2) is provided with a first air cylinder (5);
the other end of the upper surface of the bottom plate (1) is provided with a second linear guide rail (19), the upper surface of the second linear guide rail (19) is provided with a sliding block fixing plate (6), and the upper surface of the sliding block fixing plate (6) is provided with an adjusting plate (8);
the upper surface of the adjusting plate (8) is provided with a fixed seat (10), one side surface of the fixed seat (10) is provided with a second air cylinder (9), a square hole of the fixed seat (10) is internally provided with a clamp body (11), the other side surface of the fixed seat (10) is provided with a guide rail fixing plate (16), the guide rail fixing plate (16) is provided with a first linear guide rail (17), a clamping plate (13) is arranged on a sliding block of the first linear guide rail (17), and the clamp body (11) is of a square inner hole which is equivalent to a double-V structure and is used for quickly finding the center of a crankshaft (20) when the crankshaft (20) is clamped;
the upper surface of fixing base (10) is equipped with cylinder fixed plate (14), be equipped with biax cylinder (18) on cylinder fixed plate (14), biax cylinder (18) are used for driving cardboard (13) contact bent axle (20), cardboard (13) are used for right in bent axle (20) are divided with the main shaft symmetry, second cylinder (9) action is used for compressing tightly bent axle (20), first cylinder (5) action is used for dragging anchor clamps body (11) action.
2. The crankshaft positioning groove cutting tool according to claim 1, wherein a cylinder joint (3) and a T-shaped connecting seat (4) are arranged between the first cylinder (5) and the adjusting plate (8), the cylinder joint (3) is connected with the first cylinder (5) through threads, the T-shaped connecting seat (4) is connected with the cylinder joint (3) through a T-shaped groove, and the tool is of a floating structure, so that the action damage of machining errors and assembly errors of various parts to the first cylinder (5) is reduced.
3. A tool for cutting crankshaft positioning grooves according to claim 1 or 2, characterized in that a connecting block (15) is arranged between the clamping plate (13) and the first linear guide rail (17), the connecting block (15) is used for realizing connection between the double-shaft air cylinder (18) and the clamping plate (13), and the double-shaft air cylinder (18) is used for providing power to drive the clamping plate (13) to do reciprocating linear sliding on the first linear guide rail (17).
4. A tool for cutting crankshaft positioning grooves according to any of claims 1-2, characterized in that the other end face of the cylinder fixing plate (2) is provided with a reinforcing rib for ensuring the stability of the first cylinder (5) during operation.
5. A tool for cutting crank positioning grooves according to any of claims 1-2, characterized in that a flat key (7) is arranged between the slide fixing plate (6) and the adjusting plate (8) for ensuring that the adjusting plate (8) slides along the flat key (7) during the adjustment process, and the positions of other directions are unchanged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710737498.3A CN107378575B (en) | 2017-08-24 | 2017-08-24 | Tool for cutting crankshaft positioning groove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710737498.3A CN107378575B (en) | 2017-08-24 | 2017-08-24 | Tool for cutting crankshaft positioning groove |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107378575A CN107378575A (en) | 2017-11-24 |
| CN107378575B true CN107378575B (en) | 2023-08-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710737498.3A Active CN107378575B (en) | 2017-08-24 | 2017-08-24 | Tool for cutting crankshaft positioning groove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107378575B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108296797B (en) * | 2017-12-29 | 2021-01-01 | 南京嘉玺数控科技有限公司 | Special equipment for boring and milling machine for processing rear axle of new energy automobile |
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|---|---|---|---|---|
| JPH06323251A (en) * | 1993-05-19 | 1994-11-22 | Hitachi Ltd | Closed type motor-driven compressor |
| JP2000220590A (en) * | 1999-01-29 | 2000-08-08 | Mitsubishi Electric Corp | Rotary compressor |
| CN102848242A (en) * | 2012-09-24 | 2013-01-02 | 永安市金声机械有限公司 | Crankshaft double-end surface milling and drilling clamp |
| CN204771756U (en) * | 2015-07-16 | 2015-11-18 | 嘉兴市新望机械制造有限公司 | Bent axle major axis deep hole boring grab |
| CN204843640U (en) * | 2015-07-22 | 2015-12-09 | 嘉兴市宏丰机械有限公司 | Bent axle rat holing anchor clamps |
| CN105345202A (en) * | 2015-10-28 | 2016-02-24 | 苏州和瑞科自动化科技有限公司 | Conveying mechanism for cable tin coating machine |
| CN205165997U (en) * | 2015-12-07 | 2016-04-20 | 浙江金兰汽车零部件有限公司 | Crankshaft milling machine |
| CN205165954U (en) * | 2015-12-07 | 2016-04-20 | 浙江协成起重机械有限公司 | Boring mill |
| CN106078256A (en) * | 2016-08-23 | 2016-11-09 | 歌尔股份有限公司 | Electrode clamping equipment |
| CN207223468U (en) * | 2017-08-24 | 2018-04-13 | 黄石华旦机械制造有限公司 | One kind cuts bent axle locating slot frock |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10154139A1 (en) * | 2001-11-03 | 2003-05-15 | Rudolf Kohlert | Clamping element with sliding clamp |
-
2017
- 2017-08-24 CN CN201710737498.3A patent/CN107378575B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06323251A (en) * | 1993-05-19 | 1994-11-22 | Hitachi Ltd | Closed type motor-driven compressor |
| JP2000220590A (en) * | 1999-01-29 | 2000-08-08 | Mitsubishi Electric Corp | Rotary compressor |
| CN102848242A (en) * | 2012-09-24 | 2013-01-02 | 永安市金声机械有限公司 | Crankshaft double-end surface milling and drilling clamp |
| CN204771756U (en) * | 2015-07-16 | 2015-11-18 | 嘉兴市新望机械制造有限公司 | Bent axle major axis deep hole boring grab |
| CN204843640U (en) * | 2015-07-22 | 2015-12-09 | 嘉兴市宏丰机械有限公司 | Bent axle rat holing anchor clamps |
| CN105345202A (en) * | 2015-10-28 | 2016-02-24 | 苏州和瑞科自动化科技有限公司 | Conveying mechanism for cable tin coating machine |
| CN205165997U (en) * | 2015-12-07 | 2016-04-20 | 浙江金兰汽车零部件有限公司 | Crankshaft milling machine |
| CN205165954U (en) * | 2015-12-07 | 2016-04-20 | 浙江协成起重机械有限公司 | Boring mill |
| CN106078256A (en) * | 2016-08-23 | 2016-11-09 | 歌尔股份有限公司 | Electrode clamping equipment |
| CN207223468U (en) * | 2017-08-24 | 2018-04-13 | 黄石华旦机械制造有限公司 | One kind cuts bent axle locating slot frock |
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| CN107378575A (en) | 2017-11-24 |
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