CN109249248B - Control method of arc surface processing equipment of compressor valve plate - Google Patents
Control method of arc surface processing equipment of compressor valve plate Download PDFInfo
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- CN109249248B CN109249248B CN201811272093.8A CN201811272093A CN109249248B CN 109249248 B CN109249248 B CN 109249248B CN 201811272093 A CN201811272093 A CN 201811272093A CN 109249248 B CN109249248 B CN 109249248B
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- valve plate
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- clamping
- finished valve
- rotary table
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- 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
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- 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
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Abstract
The invention discloses a control method of arc surface processing equipment of a compressor valve plate, which comprises the following steps: s1, manually inserting the semi-finished valve plate into radial concave cavities uniformly distributed on the periphery of a rotary table, wherein the rotary table can drive the semi-finished valve plate to move along the circumference of the bottom surface and the inner wall of an inner circular step; s2, when a semi-finished valve plate to be processed moves to a clamping gap close to the circumferential retainer ring, a connecting rod of the horizontal cylinder stretches, the horizontal jacking block moves towards the center of the rotary table to a position close to the circumferential surface of the rotary table, and the semi-finished valve plate is stopped to rotate under the blocking of a limiting block in the horizontal jacking block; s3, under the action of a clamping cylinder, a clamping push block moves outwards from the center of the rotary table to push the semi-finished valve plate to the end face of the horizontal ejection block for clamping; s4, under the action of a downward pressing cylinder, the clamping pressure rod can vertically and fixedly press the semi-finished valve plate downward; the milling cutter of the S5 milling machine can be aligned with the V-shaped notch of the semi-finished valve plate to process the arc surface; the invention has the advantages of stable processing quality and high working efficiency.
Description
Technical Field
The invention relates to arc surface processing equipment of a compressor valve plate and a control method thereof.
Background
The compressor valve block is a part in the compressor, it has been seted up the V-arrangement groove to need process the curved surface in two inclined planes in the V-arrangement groove, in the prior art, all manually will process into the compressor valve block of V-arrangement groove and place on special fixture one by one, aim at semi-manufactured compressor valve block inclined plane by the milling cutter of vertical milling machine and carry out the arc surface processing, work efficiency is low.
Disclosure of Invention
According to the defects, the invention provides the processing equipment for the arc surface of the compressor valve plate.
The technical scheme of the invention is as follows:
the utility model provides an arc surface processing equipment of compressor valve block, includes:
a disk frame;
the circular retainer ring is fixed on the disc rack and is provided with an inner circular step and a clamping gap;
the rotary table is arranged on the disc rack, a plurality of uniformly distributed radial concave cavities are formed in the periphery of the rotary table, the radial depth of each radial concave cavity is close to half the thickness of the semi-finished valve plate, the radial concave cavities can be inserted into the semi-finished valve plate, the bottom surface of the inserted semi-finished valve plate is placed on the inner circular ring step, the outer surface of the inserted semi-finished valve plate is tightly attached to the inner wall of the circumferential retainer ring, and the rotary table can drive the semi-finished valve plate to move along the circumference of the bottom surface and;
the turntable power assembly is arranged on the disc rack and positioned below the turntable, and can drive the turntable to rotate;
the clamping assembly is fixed on the disc rack, and can fix the semi-finished valve plate when the semi-finished valve plate moves to the clamping notch;
the milling machine is fixed adjacent to the disc rack, and a milling cutter of the milling machine can be aligned to the fixed semi-finished valve plate to perform arc surface machining;
and the controller can control the actions of the rotary table power assembly, the clamping assembly and the milling machine.
The turntable power assembly comprises:
the shell of the servo motor is fixed on the disc rack through a motor support, and the servo motor is electrically connected with the controller;
the clutch input shaft of the clutch is fixed with the rotating shaft of the servo motor;
the shell of the gear box is fixed with the disc rack through the turntable support, and the input shaft of the gear box is fixed with the output shaft of the clutch; the gear box is mainly used for changing the direction of an input shaft and a clutch output shaft, and when necessary, a reduction gear box can be used for increasing the moment.
And the central shaft of the rotary table fixing disc is fixed with the output shaft of the gear box, and the rotary table fixing disc is fixed with the rotary table.
The clamping assembly comprises:
the clamping bracket is fixed on the disc rack, and a U-shaped groove is formed in the middle of the clamping bracket;
the middle part of the clamping pressure rod is embedded into a U-shaped groove of the clamping support and is hinged with the clamping support, the head part of the clamping pressure rod is provided with a U-shaped notch, the head part can press the semi-finished valve plate downwards in the vertical direction, and the U-shaped notch corresponds to the V-shaped notch of the semi-finished valve plate;
the cylinder body of the downward pressing cylinder is fixed with the disc frame, and the connecting rod is hinged with the tail part of the clamping pressure rod;
the cylinder body of the horizontal cylinder is fixed with the disc rack or the clamping bracket;
the horizontal sliding chute is fixed on the clamping bracket or the disc rack and is aligned to the clamping gap;
the horizontal jacking block is provided with a linkage block, a sliding block and a limiting block, the linkage block is fixed with a connecting rod of the horizontal cylinder, the sliding block can only move along the horizontal sliding chute, and the limiting block can move to be close to the circumferential surface of the rotary table, so that the semi-finished valve plate is limited to continuously move along the bottom surface and the inner wall of the inner circular step;
the clamping frame is fixed on the disc rack and consists of two clamping vertical rods, a clamping support rod and a clamping bottom plate;
the middle part of the clamping swing rod is hinged with the two clamping upright rods;
the cylinder body of the clamping cylinder is fixed with the clamping bottom plate, and the connecting rod is hinged with the bottom of the clamping oscillating rod;
one end of the clamping push rod is hinged with the top of the clamping swing rod, the other end of the clamping push rod is fixed with the clamping push block, the clamping push block can push the semi-finished valve plate to the end face of the horizontal push block along the top surface of the clamping support rod to clamp, and the thrust of the clamping push block is smaller than that of the horizontal cylinder connecting rod applied to the horizontal push block;
the pressing cylinder, the horizontal cylinder and the clamping cylinder are respectively communicated with the air pump through a pressing electromagnetic valve, a horizontal electromagnetic valve and a clamping electromagnetic valve, and the pressing electromagnetic valve, the horizontal electromagnetic valve and the clamping electromagnetic valve are electrically connected with the controller.
The clutch includes:
a first clutch pulley fixed to the clutch output shaft;
the clutch input shaft is provided with a clutch adjusting hole, and the clutch adjusting hole is inserted outside the clutch output shaft;
the second clutch wheel is sleeved outside the clutch input shaft and can axially move along the clutch input shaft, the second clutch wheel is in close contact with the clutch surface of the first clutch wheel, the second clutch wheel can rotate to drive the first clutch wheel to rotate, and the second clutch wheel is provided with a plurality of uniformly distributed clutch blind holes;
the driving wheel is fixed with the clutch input shaft and is provided with a plurality of uniformly distributed main blind holes;
the second clutch wheel can be in close contact with the first clutch wheel through the compression springs, and the pressure of the compression springs can control the friction force of the two clutch surfaces.
The main blind hole on the driving wheel consists of a threaded hole and a screw, and the hole length of the main blind hole can be adjusted through the screw, so that the pressure of the pressure spring is adjusted.
The side wall of the disc rack is provided with a window, the window can be inserted into the part box, the inner circular ring step is provided with a fracture, and when the semi-finished valve plate passes through the fracture, the semi-finished valve plate falls down to the part box from the fracture, so that the finished valve plate is output.
A control method of arc surface processing equipment of a compressor valve plate comprises the following steps:
s1, manually inserting the semi-finished valve plate into radial concave cavities uniformly distributed on the periphery of the rotary table, wherein the bottom surface of the semi-finished valve plate is placed on the inner circular step, the outer surface of the semi-finished valve plate is tightly attached to the inner wall of the circumferential retainer ring, and the rotary table can drive the semi-finished valve plate to move along the circumference of the bottom surface and the inner wall of the inner circular step;
s2, when the semi-finished valve plate to be processed moves to a clamping gap close to the circumferential retainer ring, the connecting rod of the horizontal cylinder stretches to move the horizontal top block to the center of the turntable to a position close to the circumferential surface of the turntable, and the semi-finished valve plate is stopped to rotate under the blocking of the limiting block in the horizontal top block;
s3, under the action of the clamping cylinder, the clamping and pushing block moves outwards from the center of the turntable to push the semi-finished valve plate to the end face of the horizontal ejection block for clamping, and the thrust of the clamping and pushing block is smaller than the thrust applied to the horizontal ejection block by the horizontal cylinder connecting rod;
s4, under the action of the pressing cylinder, the clamping pressure rod can vertically press and fix the semi-finished valve plate;
the milling cutter of the S5 milling machine can be aligned with the V-shaped notch of the semi-finished valve plate to process the arc surface;
and S6 dropping the processed valve plate from the fracture arranged on the inner circular ring step to the part box.
It should be noted that the horizontal ejection block, the clamping push block and the clamping compression bar are mainly used for positioning the semi-finished valve plate, so that a milling cutter of a milling machine can conveniently align to a V-shaped notch of the semi-finished valve plate to perform arc surface processing.
The turntable is driven by a servo motor through a clutch, when the semi-finished valve plate is blocked by a limiting block in the horizontal jacking block to stop rotating, the servo motor rotates for an angle more, and a first clutch wheel and a second clutch wheel of the clutch generate relative rotation through friction.
It should be noted that, in order to prevent the loss of the control signal when the controller controls the servo motor, and also to consider the dimensional error generated by the system during machining, it is necessary to adjust the system by a clutch, so as to ensure the positioning accuracy of the semi-finished valve plate.
To improve the transmission efficiency, the friction of the clutch can be adjusted.
The invention has the advantages of simple structure, low cost, stable processing quality and high working efficiency.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Figure 2 is a schematic view of the structure associated with the radial cavity of the turret.
Fig. 3 is a schematic structural diagram of a finished valve sheet.
Fig. 4 is a schematic structural view related to the clamping pressure rod.
Fig. 5 and 6 are schematic structural diagrams related to the horizontal top block.
Fig. 7 is a schematic view of a structure related to the clamping push block.
Fig. 8 is a schematic diagram of a clutch-related structure.
Detailed Description
The invention will now be further described with reference to the accompanying drawings in which:
as shown in the figure, the circular arc surface processing equipment of compressor valve block includes:
a disc frame 2;
the circumferential retainer ring 21 is fixed on the disc rack 2, and the circumferential retainer ring 21 is provided with an inner circular step 211 and a clamping gap 212;
the rotary table 3 is arranged on the disc rack 2, a plurality of uniformly distributed radial concave cavities 31 are formed in the periphery of the rotary table 3, the radial depth of each radial concave cavity 31 is close to half the thickness of the semi-finished valve plate 6, the radial concave cavities 31 can be inserted into the semi-finished valve plates 6, the bottom surfaces of the inserted semi-finished valve plates 6 are placed on the inner circular step 211, the outer surfaces of the inserted semi-finished valve plates 6 are tightly attached to the inner wall of the circular retainer ring 21, and the rotary table 3 can drive the semi-finished valve plates 6 to move along the circumference of the bottom surfaces and the; in fig. 3, the solid line corresponds to a semi-finished valve plate 6, the dotted line is a part to be processed in the invention, and the milling cutter 5 mills a dotted line, i.e. a curved surface, to form a finished valve plate;
the turntable power assembly 7 is arranged on the disc rack 2 and is positioned below the turntable 3, and the turntable power assembly 7 can drive the turntable 3 to rotate;
the clamping assembly 4 is fixed on the disc frame 2, and when the semi-finished valve plate 6 moves to the clamping notch 212, the clamping assembly 4 can fix the semi-finished valve plate 6;
the milling machine is fixed adjacent to the disc rack 2, and a milling cutter 5 of the milling machine can be aligned to the fixed semi-finished valve plate 6 to perform arc surface processing;
and the controller can control the actions of the turntable power assembly 7, the clamping assembly 4 and the milling machine.
The controller takes a PLC as a control center to coordinate the actions of the rotary table power component 7, the clamping component 4 and the milling machine.
The turntable power assembly 7 comprises:
a servo motor 71, the shell of which is fixed on the disc frame 2 through a motor bracket 72, and the servo motor 71 is electrically connected with the controller;
a clutch 73 having a clutch input shaft 735 fixed to a rotary shaft of the servo motor 71;
a gear box 74, the housing of which is fixed to the disk frame 2 via a turntable support 75, and the input shaft of the gear box 74 is fixed to the clutch output shaft 731;
the center axis of the turntable fixing plate 76 is fixed to the output shaft of the gear box 74, and the turntable fixing plate 76 is fixed to the turntable 3.
The clamping assembly 4 comprises:
the clamping bracket 42 is fixed on the disc frame 2, and the middle part of the clamping bracket is provided with a U-shaped groove;
the middle of the clamping pressure rod 41 is embedded into a U-shaped groove of the clamping support 42 and is hinged with the clamping support 42, a U-shaped notch is formed in the head 411, the head 411 can press the semi-finished valve plate 6 downwards in the vertical direction, and the U-shaped notch corresponds to the V-shaped notch of the semi-finished valve plate 6;
a downward-pressing cylinder 43, the cylinder body of which is fixed with the disc frame 2, and the connecting rod is hinged with the tail part of the clamping pressure rod 41;
a horizontal cylinder 45, the cylinder body of which is fixed with the disc frame 2 or the clamping bracket 42;
a horizontal sliding slot 443 fixed to the clamp bracket 42 or the disk frame 2, the horizontal sliding slot 443 being aligned with the clamp notch 212;
the horizontal top block 44 is provided with a linkage block 440, a sliding block 442 and a limiting block 441, the linkage block 440 is fixed with a connecting rod of the horizontal cylinder 45, the sliding block 442 only can move along the horizontal sliding groove 443, and the limiting block 441 can move to be close to the circumferential surface of the rotary table 3, so that the semi-finished valve plate 6 is limited to continuously move along the bottom surface and the inner wall of the inner circular step 211;
the clamping frame is fixed on the disc rack 2 and consists of two clamping upright rods 461, a clamping support rod 462 and a clamping bottom plate;
a clamping swing rod 49, the middle of which is hinged with two clamping upright rods 461;
a clamping cylinder 47, the cylinder body of which is fixed with the clamping bottom plate, and the connecting rod is hinged with the bottom of a clamping swing rod 49;
a clamping push rod 481, one end of which is hinged with the top of the clamping swing rod 49 and the other end of which is fixed with a clamping push block 482, wherein the clamping push block 482 can push the semi-finished valve plate 6 to the end surface 444 of the horizontal push block 44 along the top surface of the clamping support rod 462 for clamping, and the thrust of the clamping push block 482 is smaller than the thrust applied to the horizontal push block 44 by the connecting rod of the horizontal cylinder 45;
the pressing cylinder 43, the horizontal cylinder 45 and the clamping cylinder 47 are respectively communicated with the air pump through a pressing electromagnetic valve, a horizontal electromagnetic valve and a clamping electromagnetic valve, and the pressing electromagnetic valve, the horizontal electromagnetic valve and the clamping electromagnetic valve are electrically connected with the controller.
The clutch 73 includes:
a first clutch pulley 732 fixed to the clutch output shaft 731;
a clutch input shaft 735 provided with a clutch adjustment hole which is inserted outside the clutch output shaft 731;
the second clutch wheel 733 is sleeved outside the clutch input shaft 735 and can axially move along the clutch input shaft 735, the second clutch wheel 733 is in close contact with the clutch surface of the first clutch wheel 732, the second clutch wheel 733 can rotate to drive the first clutch wheel 732 to rotate, and the second clutch wheel 733 is provided with a plurality of clutch blind holes which are uniformly distributed;
a driving wheel 736 fixed with the clutch input shaft 735, the driving wheel 736 having a plurality of uniformly distributed main blind holes;
the plurality of compression springs 734 are mounted in the clutch blind hole and the main blind hole, the second clutch wheel 733 can be tightly contacted with the first clutch wheel 732 through the compression springs 734, and the pressure of the compression springs 734 can control the friction force of the two clutch surfaces.
The main blind hole on the driving wheel 736 is composed of a threaded hole and a screw 737, and the length of the main blind hole can be adjusted through the screw 737, so that the pressure of the pressure spring 734 can be adjusted.
The side wall of the disc frame 2 is provided with a window, the window can be inserted into the part box 1, the inner ring step 211 is provided with a fracture, and when the semi-finished valve plate 6 passes through the fracture, the semi-finished valve plate falls from the fracture to the part box 1, so that the finished valve plate is output.
A control method of arc surface processing equipment of a compressor valve plate comprises the following steps:
s1, manually inserting the semi-finished valve plate 6 into radial concave cavities 31 uniformly distributed on the periphery of the rotary table 3, placing the bottom surface of the semi-finished valve plate 6 on the inner circular step 211, and enabling the outer surface of the semi-finished valve plate 6 to be tightly attached to the inner wall of the circumferential retainer ring 21, wherein the rotary table 3 can drive the semi-finished valve plate 6 to circumferentially move along the bottom surface and the inner wall of the inner circular step 211;
s2, when the semi-finished valve plate 6 to be processed moves to the clamping notch 212 close to the circumferential retainer ring 21, the connecting rod of the horizontal cylinder 45 stretches, the horizontal top block 44 moves to a position close to the circumferential surface of the rotary table 3 towards the center of the rotary table 3, and the semi-finished valve plate 6 stops rotating under the blocking of the limiting block 441 in the horizontal top block 44;
s3, under the action of the clamping cylinder 47, the clamping and pushing block 482 moves outwards from the center of the turntable 3 to push the semi-finished valve plate 6 to the end surface 444 of the horizontal ejection block 44 for clamping, and the pushing force of the clamping and pushing block 482 is smaller than the pushing force applied to the horizontal ejection block 44 by the connecting rod of the horizontal cylinder 45;
s4, under the action of the downward-pressing cylinder 43, the clamping pressing rod 41 can press and fix the semi-finished valve plate 6 downwards in the vertical direction;
the milling cutter 5 of the S5 milling machine can be aligned with the 6V-shaped notch of the semi-finished valve plate to process the arc surface;
the valve plate processed in the step S6 falls to the parts box 1 from the fracture formed by the inner circular ring step 211.
The turntable 3 is driven by the servo motor 71 through the clutch 73, when the semi-finished valve plate 6 is stopped rotating under the block of the limit block 441 in the horizontal top block 44, the servo motor 71 rotates by an angle, and the first clutch wheel 732 and the second clutch wheel 733 of the clutch 73 rotate relatively through friction.
The friction force of the clutch 73 can be adjusted.
Claims (3)
1. A control method of arc surface processing equipment of a compressor valve plate is characterized by comprising the following steps:
s1, inserting the semi-finished valve plate (6) into radial concave cavities (31) uniformly distributed on the periphery of a rotary table (3), placing the bottom surface of the semi-finished valve plate (6) on an inner circular step (211), and enabling the outer surface of the semi-finished valve plate to be tightly attached to the inner wall of a circumferential retainer ring (21), wherein the rotary table (3) can drive the semi-finished valve plate (6) to move along the circumference of the bottom surface and the inner wall of the inner circular step (211) by rotating;
s2, when the semi-finished valve plate (6) to be processed moves to a clamping gap (212) close to the circumferential retainer ring (21), the connecting rod of the horizontal cylinder (45) stretches, the horizontal top block (44) moves towards the center of the rotary table (3) to a position close to the circumferential surface of the rotary table (3), and the semi-finished valve plate (6) stops rotating under the blocking of the limiting block (441) in the horizontal top block (44);
s3, under the action of the clamping cylinder (47), the clamping push block (482) moves outwards from the center of the rotary table (3) to push the semi-finished valve plate (6) to the end face (444) of the horizontal ejection block (44) for clamping, and the pushing force of the clamping push block (482) is smaller than the pushing force applied to the horizontal ejection block (44) by the connecting rod of the horizontal cylinder (45);
s4, under the action of the downward pressing cylinder (43), the clamping pressing rod (41) can press and fix the semi-finished valve plate (6) in the vertical direction;
s5, the milling cutter (5) of the milling machine can be aligned to the V-shaped notch of the semi-finished valve plate (6) to process the arc surface;
s6, dropping the processed valve plate to the part box (1) from the fracture formed by the inner circular ring step (211).
2. The control method of the arc surface processing equipment of the compressor valve plate according to the claim 1, characterized in that the turntable (3) is driven by a servo motor (71) through a clutch (73), when the semi-finished valve plate (6) is stopped rotating by the stop block (441) in the horizontal top block (44), the servo motor (71) rotates for a certain angle more, and the first clutch wheel (732) and the second clutch wheel (733) of the clutch (73) rotate relatively through friction.
3. The control method of the arc surface processing equipment of the compressor valve plate according to claim 2, characterized in that the friction force of the clutch (73) can be adjusted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811272093.8A CN109249248B (en) | 2018-10-30 | 2018-10-30 | Control method of arc surface processing equipment of compressor valve plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811272093.8A CN109249248B (en) | 2018-10-30 | 2018-10-30 | Control method of arc surface processing equipment of compressor valve plate |
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| Publication Number | Publication Date |
|---|---|
| CN109249248A CN109249248A (en) | 2019-01-22 |
| CN109249248B true CN109249248B (en) | 2020-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811272093.8A Active CN109249248B (en) | 2018-10-30 | 2018-10-30 | Control method of arc surface processing equipment of compressor valve plate |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US6273793B1 (en) * | 1998-09-23 | 2001-08-14 | Seagate Technology Llc | Apparatus and method for reducing disc surface asperities to sub-microinch height |
| CN102319131B (en) * | 2011-09-20 | 2014-03-19 | 北京航空航天大学 | Abrasion test device for tibiofemoral joint of bi-dimensional rotating and bi-dimensional movement synthesized knee replacement prosthesis |
| CN104972329B (en) * | 2015-07-13 | 2017-04-05 | 常州信息职业技术学院 | Can quick-replaceable workpiece and indexing hydraulic indexing clamping device faster |
| CN206562984U (en) * | 2017-01-23 | 2017-10-17 | 西安交通大学 | It is a kind of to reduce the compressor valve of noise |
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