CN109317587B - Workpiece rotation overhead device - Google Patents
Workpiece rotation overhead device Download PDFInfo
- Publication number
- CN109317587B CN109317587B CN201811287426.4A CN201811287426A CN109317587B CN 109317587 B CN109317587 B CN 109317587B CN 201811287426 A CN201811287426 A CN 201811287426A CN 109317587 B CN109317587 B CN 109317587B
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- cylinder
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- workpiece
- sleeve
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- 230000007704 transition Effects 0.000 claims abstract description 16
- 230000006835 compression Effects 0.000 claims abstract description 10
- 238000007906 compression Methods 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims abstract description 9
- 230000000903 blocking effect Effects 0.000 claims abstract description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
- 230000001939 inductive effect Effects 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000009471 action Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000011265 semifinished product Substances 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
- B21H5/00—Making gear wheels, racks, spline shafts or worms
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gripping On Spindles (AREA)
- Turning (AREA)
Abstract
The invention discloses a workpiece rotary overhead device, wherein the inner conical surface of an overhead sleeve is matched with the bullnose of a CV outer ring of a workpiece, and a bottom surface center connecting shaft is connected to a Morse taper shank fixed in an inner hole of a transition sleeve of a machine tool through a bearing; each pin shaft of the material returning device is respectively penetrated into each pin shaft unthreaded hole at the outer edge of the bottom surface of the top sleeve, and the compression spring is penetrated on the pin shaft and blocked by the blocking piece; the cylinder body of the cylinder is fixed on a flange of the transition sleeve of the machine tool, and a pressure plate is fixed at the end part of a piston rod of the cylinder body; the cylinder piston rod or the piston is provided with a contact point, and the cylinder body is provided with a travel switch; the two air pipe connectors of the air cylinder are respectively connected to an air source through electromagnetic valves; the cross-sectional size of the platen is such that the platen can contact one or both of the flaps regardless of the angle at which the top cover is stopped in the circumferential direction. By adopting the invention, the large chamfer turning is not needed to be carried out on the inner ring of the workpiece opening, and the existing finished workpiece moving manipulator can be completely used, so that the manufacturing cost of the workpiece is greatly reduced.
Description
Technical Field
The invention relates to a workpiece rotation overhead device, in particular to a workpiece rotation overhead device for a driving shaft CV outer ring spline gear rolling machine.
Background
The drive shaft CV outer ring includes a CV outer ring and a shank, which requires the threading and the threading of the spline. The existing workpiece rotary overhead device used on the driving shaft CV outer ring spline gear rolling machine adopts an umbrella-shaped center, and the umbrella-shaped center is propped against the inner ring of the CV outer ring, so that in the manufacturing process of the driving shaft CV outer ring, the forged semi-finished product is required to be subjected to large-chamfer turning on the opening inner ring, so that the forged semi-finished product is matched with the umbrella-shaped center, the opening inner ring is subjected to large-chamfer turning, time and labor are wasted, and the cost is high, so that people try to cancel the large-chamfer turning, and the manufacturing cost of the driving shaft CV outer ring is reduced, thereby reducing the cost of the whole vehicle. After the large chamfer turning of the opening inner ring is canceled, the existing umbrella-shaped center and material returning device cannot be used, and the existing manipulator for moving the machined workpiece has no material returning function and cannot be used, so that the cost of overall transformation investment is very high.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides a workpiece rotary overhead device capable of being overhead and positioned on the outer circle of a workpiece.
In order to achieve the above object, the technical solution of the present invention is: a workpiece rotation overhead device comprises a top sleeve, a material returning device, a Morse cone matched with a transition sleeve on a machine tool and a control system;
the inner conical surface of the top sleeve is matched with the outer fillet of the CV outer ring of the workpiece, the center of the bottom surface of the top sleeve extends out of the connecting shaft, and a plurality of pin shaft unthreaded holes are formed along the circumference of the outer edge of the bottom surface of the top sleeve; the connecting shaft is connected to the Morse taper shank through a bearing, and the Morse taper shank is fixed in an inner hole of the transition sleeve of the machine tool;
the material returning device comprises an air cylinder, a pressure plate, pins, compression springs and baffle plates, wherein the number of the pins is the same as that of the pin unthreaded holes in the top sleeve; each pin shaft is respectively penetrated in a pin shaft unthreaded hole on the bottom surface of the top sleeve, and the compression spring is penetrated on the pin shaft and blocked by a blocking piece fixed at the tail end of the pin shaft; the cylinder body of the cylinder is fixed on a flange of the transition sleeve of the machine tool, and a pressure plate is fixed at the end part of a piston rod of the cylinder body; the cylinder piston rod or the piston is provided with a contact, the cylinder body is provided with a travel switch, and the travel switch is connected with a signal input end of the control system; the two air pipe connectors of the air cylinder are respectively connected to an air source through electromagnetic valves; the signal input end of the electromagnetic valve is connected with the output end of the control system; when the electromagnetic valve is electrified, the valve core acts, and the piston rod of the air cylinder is ejected out; when the electromagnetic valve is powered off, the valve core returns to the normal position, the air inlet and the air outlet of the air cylinder are switched, and the piston rod of the air cylinder returns; the cross-sectional size of the platen is such that the platen can contact one or both of the flaps regardless of the angle at which the top cover is stopped in the circumferential direction. After the workpiece is processed, the top sleeve stops rotating, returns to the original position of the machine tool, sends a signal to the control system, the control system controls the solenoid valve coil to be electrified, the solenoid valve core acts, under the action of compressed air, the piston rod is pushed out from the starting position, the pressure plate is propped against one or two baffle plates to push the workpiece to leave the inner conical surface of the top sleeve, the contact starts a travel switch when the workpiece moves to the maximum travel, the travel switch sends a signal to the control system, the control system controls the solenoid valve coil to be powered off, the valve core returns to the normal position, the air inlet and the air outlet of the air cylinder complete switching, the piston rod returns until the piston returns to the initial position, and the piston rod stops acting; the pin shaft on the top sleeve returns under the action of the compression spring.
Further preferably, the contact point arranged on the cylinder piston is a circle of permanent magnet ring contact point or iron ring contact point fixed on the piston, and the travel switch on the cylinder body is a sensing switch fixed on the cylinder body. The structure is simple to install and high in starting and stopping reliability.
Further preferably, the contact point arranged on the cylinder piston rod is a permanent magnet ring contact point, a permanent magnet block contact point, an iron ring contact point or an iron block contact point, and the travel switch on the cylinder body is an inductive switch fixed on the cylinder body. The structure is simple to install and high in starting and stopping reliability.
Further preferably, the structure that the cylinder body is fixed on the flange of the machine tool transition sleeve is as follows: the end of the cylinder body is fixed with a semi-ring connecting plate, and the semi-ring connecting plate is provided with a screw mounting hole which is fixed into a mounting hole of a flange of a machine tool transition sleeve by a screw. The installation stability is high.
Further preferably, the top sleeve is made of GCr15 bearing steel which is integrally quenched, the hardness reaches HRC58-62, the whole angle of the working inner conical surface is 90 degrees, and the rotation error of the inner conical surface is required to be not more than 0.005mm after the assembly. The top sleeve is subjected to precise grinding, has high wear resistance, and the outer fillet of the CV outer ring is positioned by the inner conical surface during working, so that the service life is long.
According to the invention, the outer ring of the workpiece is propped by the propping sleeve, and the large chamfer turning is not needed to be carried out on the inner ring at the opening part of the workpiece, so that the manufacturing cost of the workpiece is greatly reduced; and can use current finished product work piece to move the manipulator and move the operation completely, reduced the transformation expense of equipment, further reduced the manufacturing cost of work piece.
Drawings
FIG. 1 is a schematic diagram showing a sectional front view of a cylinder installed on a machine tool in a cylinder refund state;
FIG. 2 is a schematic diagram showing a sectional front view of a cylinder mounted on a machine tool according to the present invention;
FIG. 3 is a schematic view of a top cover in a front cross-sectional configuration of the present invention;
fig. 4 is a schematic diagram of the front view of the cylinder, platen and half ring connection plate in the present invention.
Detailed Description
The invention is further described below in connection with specific embodiments.
As shown in fig. 1, 2, 3 and 4, the embodiment comprises a top sleeve 2, a material returning device, a morse taper shank 12 matched with a transition sleeve 13 on a machine tool and a control system. The inner conical surface of the top sleeve 2 is matched with the outer round corner of the CV outer ring of the workpiece 14, the center of the bottom surface of the top sleeve extends out of the connecting shaft 15, eight (six, seven and the like can be arranged according to the requirement) pin shaft unthreaded holes 16 are formed along the circumference of the outer edge of the bottom surface of the top sleeve, the connecting shaft 15 is connected to the Morse taper shank 12 through a bearing, and the Morse taper shank 12 is fixed in the inner hole of the transition sleeve 13 of the machine tool. Preferably, the top sleeve 2 is made of GCr15 bearing steel which is integrally quenched, the hardness reaches HRC58-62, the whole angle of the working inner conical surface is 90 degrees, and the rotation error of the conical surface is required to be not more than 0.005mm after the assembly.
The material returning device comprises an air cylinder 8, a pressure plate 6, pin shafts 1, compression springs 5 and baffle plates 3, wherein the number of the pin shaft light holes 16 is the same as that of the pin shaft light holes on the top sleeve 2. Each pin shaft 1 is respectively penetrated in a pin shaft unthreaded hole 16 on the bottom surface of the top sleeve 2, and a compression spring 5 is penetrated on the pin shaft 1 and is blocked by a blocking piece 3 fixed at the tail end of the pin shaft 1 through a screw 4. Because the precision and the service life of the top sleeve 2 can be influenced by the overlarge elastic force, the elastic force of the compression spring 5 is controlled between 1N and 4N in the whole process, and the pin shaft 1 can be ensured to retract in the processing process. The cylinder body of the air cylinder 8 is fixed on a flange 17 of the machine tool transition sleeve 13, and the fixing structure is preferably as follows: the end of the cylinder body of the cylinder 8 is fixed with a half ring connecting plate 11, and the half ring connecting plate 11 is provided with a screw mounting hole which is fixed into a mounting hole of a flange 17 of the machine tool transition sleeve 13 by a screw 18. The end of the cylinder piston rod is fixed with a pressure plate 6 through a screw. The piston rod or the piston of the air cylinder 8 is provided with a contact point, and the cylinder body of the air cylinder 8 is provided with a travel switch 20. The signal input end of the two-bit five-way electromagnetic valve is connected with the output end of the control system. Preferably, the contact point arranged on the cylinder piston is a circle of permanent magnet ring contact point or iron ring contact point fixed on the piston, and the travel switch 20 on the cylinder body is a sensing switch fixed on the cylinder body. Preferably, the contact point arranged on the cylinder piston rod is a permanent magnet ring contact point, a permanent magnet block contact point, an iron ring contact point or an iron block contact point, and the travel switch 20 on the cylinder body is an inductive switch fixed on the cylinder body. The inductive switch is connected with the signal input end of the control system. The two air pipe connectors 7 and 10 of the air cylinder are respectively connected to an air source through a two-position five-way electromagnetic valve; when the electromagnetic valve is electrified, the valve core acts, and the piston rod of the air cylinder is ejected out; when the electromagnetic valve is powered off, the valve core returns to the normal position, the air inlet and the air outlet of the air cylinder are switched, and the piston rod of the air cylinder returns. The cross-sectional size of the platen 6 is such that the platen 6 can contact one or both of the blades 3 regardless of the angle at which the top sleeve is circumferentially stopped. After the processing of the workpiece 14 is finished, the top sleeve 2 stops rotating and returns to the original position of the machine tool, a signal is sent to the control system, the control system controls the two-position five-way electromagnetic valve coil to be electrified, the two-position five-way electromagnetic valve core acts, under the action of compressed air, a piston rod is pushed out from an initial position, a pressure plate 6 is propped against one or two baffle plates 3 to push the workpiece 14 to leave the inner conical surface of the top sleeve 2, a contact starts a travel switch when the workpiece 14 moves to the maximum travel, the travel switch sends a signal to the control system, the control system controls the electromagnetic valve coil to be powered off, the valve core returns to the normal position, the air inlet and the air outlet of the air cylinder are switched, the piston rod returns until the piston returns to the initial position, and the piston rod stops acting; the pin 1 on the top sleeve 6 returns under the action of the compression spring 5. 9 is a supporting frame on a machine tool, and 19 is a bracket on the machine tool.
The above embodiments are only preferred and exemplary, and are not intended to limit the present invention, but any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (6)
1. The utility model provides a work piece gyration overhead device which characterized in that: comprises a top sleeve, a material returning device, a Morse cone matched with a transition sleeve on a machine tool and a control system;
the inner conical surface of the top sleeve is matched with the outer fillet of the CV outer ring of the workpiece, the center of the bottom surface of the top sleeve extends out of the connecting shaft, and a plurality of pin shaft unthreaded holes are formed along the circumference of the outer edge of the bottom surface of the top sleeve; the connecting shaft is connected to the Morse taper shank through a bearing, and the Morse taper shank is fixed in an inner hole of the transition sleeve of the machine tool;
the material returning device comprises an air cylinder, a pressure plate, pins, compression springs and baffle plates, wherein the number of the pins is the same as that of the pin unthreaded holes in the top sleeve; each pin shaft is respectively penetrated in a pin shaft unthreaded hole on the bottom surface of the top sleeve, and the compression spring is penetrated on the pin shaft and blocked by a blocking piece fixed at the tail end of the pin shaft; the cylinder body of the cylinder is fixed on a flange of the transition sleeve of the machine tool, and a pressure plate is fixed at the end part of a piston rod of the cylinder body; the cylinder piston rod or the piston is provided with a contact, the cylinder body is provided with a travel switch, and the travel switch is connected with a signal input end of the control system; the two air pipe connectors of the air cylinder are respectively connected to an air source through electromagnetic valves, and the signal input end of each electromagnetic valve is connected to the output end of the control system; when the electromagnetic valve is electrified, the piston rod of the air cylinder is ejected out; when the electromagnetic valve is powered off, the piston rod of the air cylinder retreats; the cross-sectional size of the platen is such that the platen can contact one or both of the flaps regardless of the angle at which the top cover is stopped in the circumferential direction.
2. The workpiece swivel overhead apparatus of claim 1, wherein: the contact arranged on the cylinder piston is a circle of permanent magnet ring contact or iron ring contact fixed on the piston, and the travel switch on the cylinder body is an inductive switch fixed on the cylinder body.
3. The workpiece swivel overhead apparatus of claim 1, wherein: the contact points arranged on the cylinder piston rod are permanent magnet ring contact points, permanent magnet block contact points, iron ring contact points or iron block contact points, and the travel switch on the cylinder body is an inductive switch fixed on the cylinder body.
4. A workpiece swivel overhead apparatus according to claim 1 or 2 or 3, wherein: the structure that the cylinder body of the cylinder is fixed on the flange of the machine tool transition sleeve is as follows: the end of the cylinder body is fixed with a semi-ring connecting plate, and the semi-ring connecting plate is provided with a screw mounting hole which is fixed into a mounting hole of a flange of a machine tool transition sleeve by a screw.
5. The workpiece swivel overhead apparatus of claim 4, wherein: the top sleeve is made of GCr15 bearing steel which is integrally quenched, the hardness reaches HRC58-62, the whole angle of the working inner conical surface is 90 degrees, and the rotation error of the inner conical surface is required to be not more than 0.005mm after the assembly.
6. A workpiece swivel overhead apparatus according to claim 1 or 2 or 3, wherein: the top sleeve is made of GCr15 bearing steel which is integrally quenched, the hardness reaches HRC58-62, the whole angle of the working inner conical surface is 90 degrees, and the rotation error of the inner conical surface is required to be not more than 0.005mm after the assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811287426.4A CN109317587B (en) | 2018-10-31 | 2018-10-31 | Workpiece rotation overhead device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811287426.4A CN109317587B (en) | 2018-10-31 | 2018-10-31 | Workpiece rotation overhead device |
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| Publication Number | Publication Date |
|---|---|
| CN109317587A CN109317587A (en) | 2019-02-12 |
| CN109317587B true CN109317587B (en) | 2024-02-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811287426.4A Active CN109317587B (en) | 2018-10-31 | 2018-10-31 | Workpiece rotation overhead device |
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| CN (1) | CN109317587B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110595329A (en) * | 2019-09-30 | 2019-12-20 | 耐世特凌云驱动系统(涿州)有限公司 | Quick fixing measuring rod tool for measuring cross rod distance |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4033569A (en) * | 1976-10-15 | 1977-07-05 | Dunn Garf L | Deformation-preventing workpiece-holding fixture for machine tools |
| CN102784967A (en) * | 2012-07-26 | 2012-11-21 | 杨红艳 | Pneumatic inverted spherical round cornering machine |
| CN102974727A (en) * | 2012-12-06 | 2013-03-20 | 甘肃建投装备制造有限公司 | Circular arc tooth type gear rack processing equipment |
| CN103317070A (en) * | 2013-06-07 | 2013-09-25 | 安徽力成机械装备有限公司 | Automatic rotation part for support material |
| CN103878196A (en) * | 2014-01-14 | 2014-06-25 | 中北大学 | Rotary extrusion method of homogenous high-toughness magnesium alloy cup-shaped component |
| CN104907642A (en) * | 2014-03-14 | 2015-09-16 | 泰州市里华机械有限公司 | Gear shaving clamp |
| CN105032966A (en) * | 2015-06-19 | 2015-11-11 | 中北大学 | Die and method for manufacturing inner and outer pipe workpiece with separation ribs in middle through extrusion method |
| CN105251796A (en) * | 2015-10-30 | 2016-01-20 | 重庆万斯金属特种成形有限公司 | Recombination and extrusion die for hollow blanks |
| CN205673704U (en) * | 2016-05-20 | 2016-11-09 | 应义 | A kind of chamfering machine |
| CN209318667U (en) * | 2018-10-31 | 2019-08-30 | 耐世特凌云驱动系统(涿州)有限公司 | A kind of workpiece revolution overhead device |
-
2018
- 2018-10-31 CN CN201811287426.4A patent/CN109317587B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4033569A (en) * | 1976-10-15 | 1977-07-05 | Dunn Garf L | Deformation-preventing workpiece-holding fixture for machine tools |
| CN102784967A (en) * | 2012-07-26 | 2012-11-21 | 杨红艳 | Pneumatic inverted spherical round cornering machine |
| CN102974727A (en) * | 2012-12-06 | 2013-03-20 | 甘肃建投装备制造有限公司 | Circular arc tooth type gear rack processing equipment |
| CN103317070A (en) * | 2013-06-07 | 2013-09-25 | 安徽力成机械装备有限公司 | Automatic rotation part for support material |
| CN103878196A (en) * | 2014-01-14 | 2014-06-25 | 中北大学 | Rotary extrusion method of homogenous high-toughness magnesium alloy cup-shaped component |
| CN104907642A (en) * | 2014-03-14 | 2015-09-16 | 泰州市里华机械有限公司 | Gear shaving clamp |
| CN105032966A (en) * | 2015-06-19 | 2015-11-11 | 中北大学 | Die and method for manufacturing inner and outer pipe workpiece with separation ribs in middle through extrusion method |
| CN105251796A (en) * | 2015-10-30 | 2016-01-20 | 重庆万斯金属特种成形有限公司 | Recombination and extrusion die for hollow blanks |
| CN205673704U (en) * | 2016-05-20 | 2016-11-09 | 应义 | A kind of chamfering machine |
| CN209318667U (en) * | 2018-10-31 | 2019-08-30 | 耐世特凌云驱动系统(涿州)有限公司 | A kind of workpiece revolution overhead device |
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| CN109317587A (en) | 2019-02-12 |
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