CN109262254B - Intelligent pin changing device - Google Patents
Intelligent pin changing device Download PDFInfo
- Publication number
- CN109262254B CN109262254B CN201811086021.4A CN201811086021A CN109262254B CN 109262254 B CN109262254 B CN 109262254B CN 201811086021 A CN201811086021 A CN 201811086021A CN 109262254 B CN109262254 B CN 109262254B
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- pin
- fixed
- spring
- plate
- limiting
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- 239000002184 metal Substances 0.000 claims abstract description 33
- 230000007246 mechanism Effects 0.000 claims abstract description 15
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P21/00—Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
- B25B11/02—Assembly jigs
Abstract
The invention discloses an intelligent pin changing device which comprises a limit connecting plate, a sliding supporting plate and a fixed supporting plate, wherein a first driving device is fixed at the bottom of the limit connecting plate, a movable joint plate is fixed on the sliding supporting plate, and the first driving device drives the sliding supporting plate to move in a through groove through the movable joint plate; the bottom of the limit connecting plate is provided with a limit mechanism and a proximity switch, the sliding supporting plate is fixed with a metal stop block, and the metal stop block is fixed with a stop screw; a plurality of characteristic holes are formed in the sliding support plate, and a support rod and a spring pin are fixed on the fixed support plate. The intelligent pin changing device can determine the moving position of the sliding support plate according to the positioning requirements of different types of engines, so that pins of corresponding types of engines cannot drop when being stressed, the corresponding types of engines are positioned, pins of other types of engines drop when being stressed, the operation efficiency is high, the positioning is accurate, manual intervention is not needed, and the automation degree is high.
Description
Technical Field
The invention belongs to the technical field of manufacturing of automatic equipment devices of engines, and particularly relates to an intelligent pin changing device.
Background
The pin is widely applied to positioning of various assembly parts such as a cylinder cover, a cylinder body and the like, and is convenient to position, so that the full-automatic assembly requirement of an engine is met. The positioning position of each type of engine is different because the models of the engines are different. In the prior art, positioning mechanisms for various assembly parts such as cylinder covers, cylinder bodies and the like do not have the function of automatic switching. Therefore, when performing different types of engine positioning, it is necessary to manually switch or replace different positioning mechanisms. After the variety of the engine is more, the number of the corresponding positioning mechanisms is also more, and the occupied space of the positioning mechanisms is larger. In addition, the manual switching efficiency is low, and mistakes are easy to occur, so that unnecessary production accidents are caused.
Disclosure of Invention
The invention aims to solve the technical problem of providing an intelligent pin changing device, which solves the technical problem that a positioning mechanism in the prior art does not have automatic switching.
In order to solve the technical problems, the invention adopts the technical scheme that: an intelligent pin replacing device is characterized in that: the sliding support plate is positioned in the through groove, a first limiting window and a second limiting window are respectively formed in the through groove close to the left end and the right end of the limiting connection plate, a first driving device is fixed at the bottom of the limiting connection plate at the first limiting window, a movable joint plate is fixed on the sliding support plate, and the movable joint plate is connected with the first driving device after passing through the first limiting window; the bottom of the limit connecting plate positioned at the second limit window is provided with a limit mechanism, a plurality of proximity switches are fixed at the bottom of the limit connecting plate in parallel to the moving direction of the sliding supporting plate, the proximity switches and the first driving device are connected with the controller, the sliding supporting plate is also fixed with a metal stop block for triggering the proximity switches to send out instructions, the metal stop block penetrates through the second limit window, and a stop screw is fixed in the metal stop block; the sliding support plate is provided with a plurality of characteristic holes, and the fixed support plate is fixedly provided with a support rod and a spring pin.
Preferably, the spring pin comprises a support guide sleeve, a pin and a spring, wherein the support guide sleeve is fixed with the fixed support plate, a spring pre-tightening nut is fixed on the inner side of the bottom of the support guide sleeve, the pin is in sliding connection with the support guide sleeve, one end of the spring is abutted to the pin, and the other end of the spring is abutted to the spring pre-tightening nut.
Preferably, a guide sleeve is further arranged in the support guide sleeve, the guide sleeve is fixedly connected with the pin, one end of the spring is abutted to the guide sleeve, and the other end of the spring is abutted to the spring pre-tightening nut.
Preferably, the limiting connecting plate is fixed with a second driving device, the limiting mechanism comprises a limiting guide rail and a limiting slide block, the limiting guide rail is fixed at the bottom of the limiting connecting plate, the limiting guide rail is of an L-shaped structure, the second driving device is connected with the limiting slide block, and the second driving device controls the limiting slide block to slide in the limiting guide rail.
Preferably, the second driving device is a second cylinder, the second cylinder is fixed with the limit connecting plate through a second cylinder mounting plate, and an output shaft of the second cylinder is connected with the limit sliding block through a second movable joint.
Preferably, the metal stopper is fixed with a buffer.
Preferably, the first driving device is a first cylinder, the first cylinder is fixed with the limit connecting plate through a first cylinder mounting plate, and an output shaft of the first cylinder is connected with the movable joint plate through a first movable joint.
Preferably, the top of the supporting rod is fixed with a jacking block.
Preferably, an adjusting pad is arranged between the jacking block and the supporting rod.
The invention has the beneficial effects that: the invention discloses an intelligent pin changing device which comprises a limit connecting plate, a sliding supporting plate and a fixed supporting plate, wherein a first driving device is fixed at the bottom of the limit connecting plate, a movable joint plate is fixed on the sliding supporting plate, and the first driving device drives the sliding supporting plate to move in a through groove through the movable joint plate; the bottom of the limit connecting plate is also provided with a limit mechanism and a proximity switch, the sliding supporting plate is fixed with a metal stop block, and the metal stop block is fixed with a stop screw; a plurality of characteristic holes are formed in the sliding support plate, and a support rod and a spring pin are fixed on the fixed support plate. When the first driving device drives the sliding connection plate to move, the metal stop block moves, after the stop screw in the metal stop block collides with the limiting mechanism, the metal stop block reaches the proximity switch position determined by the corresponding model, the proximity switch sends an electric instruction to the controller, the controller controls the first driving device to stop operating, at the moment, the characteristic hole in the sliding support plate reaches the position of the spring pin which is not used for positioning, the spring pin falls from the characteristic hole after being acted by external pressure, and the spring pin used for positioning is supported by the sliding support plate, so as to perform positioning function on the positioned engine cylinder body or the cylinder cover. The intelligent pin changing device can determine the moving position of the sliding support plate according to the positioning positions of engines of different types, so that pins of corresponding types cannot drop when being stressed, pins of other types drop when being stressed, the operation efficiency is high, the positioning is accurate, manual intervention is not needed, and the automation degree is high.
Drawings
FIG. 1 is a schematic diagram of an intelligent pin changing device;
FIG. 2 is a schematic diagram of a spring pin-less intelligent pin changing device;
FIG. 3 is a cross-sectional view of a spring pin free intelligent pin changing apparatus;
FIG. 4 is a schematic structural view of a limiting connection plate;
FIG. 5 is a schematic view of a structure of a sliding support plate;
FIG. 6 is a cross-sectional view of the spring pin mounted to the stationary support plate;
in the figure, reference numerals are 1-limit connecting plates, 1.1-through grooves, 1.1.1-first limit windows and 1.1.2-second limit windows; 2-sliding support plates, 2.1-feature holes; 3-fixing the supporting plate; 4-movable joint plates; 5-a metal stop block; 6-a first cylinder; 7-a first cylinder mounting plate; 8-a first movable joint; 9-limiting mechanisms, 9.1-limiting guide rails and 9.2-limiting sliding blocks; 10-a second cylinder; 11-a second movable joint; 12-a switch bracket; 13-proximity switch, 13.1-1 proximity switch, 13.2-2 proximity switch, 13.3-3 proximity switch; 14-stop screws; 15-supporting rods; 16-spring pin, 16.1-support guide sleeve, 16.2-pin, 16.2.1-boss, 16.3-spring, 16.4-spring pretension nut, 16.5-guide sleeve, 16.5.1-guide portion, 16.5.2-fixing portion; 17-screws; 18-a buffer; 19-jacking the block; 20-adjusting pad; 21-a second cylinder mounting plate.
Detailed Description
The following description of the technical solutions in the embodiments of the present invention will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1:
an intelligent pin changing device is shown in fig. 1-5, and comprises a limit connecting plate 1, a sliding supporting plate 2 and a fixed supporting plate 3 from bottom to top. Wherein, be provided with logical groove 1.1 in the middle of spacing connecting plate 1, logical groove 1.1 runs through spacing connecting plate's left and right sides, and spacing connecting plate 1's front and back both ends are fixed with fixed backup pad 3. The left end and the right end, which are close to the limit connecting plate, of the through groove 1.1 are respectively provided with a first limit window 1.1.1 and a second limit window 1.1.2, and the sliding support plate 2 is positioned inside the through groove 1.1. The bottom of the sliding support plate 2 is fixed with a movable joint plate 4 and a metal stop block 5, and the movable joint plate 4 and the metal stop block 5 respectively penetrate through the first limit window 1.1.1 and the second limit window 1.1.2. The bottom of the limit connecting plate 1.1 located at the first limit window is fixed with a first driving device, in this embodiment, the first driving device is a first cylinder 6, and the first cylinder 6 is fixed with the limit connecting plate 1 through a first cylinder mounting plate 7. The output shaft of the first cylinder 6 is connected with the movable joint plate 4 through a first movable joint 8. The telescopic movement of the output shaft in the first air cylinder 6 drives the movable joint plate 4 to move back and forth, and then drives the sliding support plate 2 to move back and forth in the through groove 1.1 of the limit connecting plate. The bottom of the right limiting connecting plate 1 positioned at the second limiting window is provided with a limiting mechanism 9. In this embodiment, the limiting mechanism includes a limiting guide rail 9.1 and a limiting slider 9.2, where the top of the limiting guide rail 9.1 is fixed at the bottom of the limiting connection board 1, the limiting guide rail 9.1 is in an "L" structure, and the limiting slider 9.2 slides in the limiting guide rail 9.1. The front side of the limit connecting plate 1 is also fixed with a second driving device, in this embodiment, the second driving device is a second cylinder 10, the second cylinder 10 is fixed with the front side of the limit connecting plate 1 through a second cylinder mounting plate 21, and an output shaft of the second cylinder 10 is connected with the limit slider 9.2 through a second movable joint 11. The telescopic movement of the output shaft in the second cylinder 10 drives the limit slider 9.2 to move back and forth in the limit guide rail 9.1. A switch bracket 12 is fixed at the bottom of the limit connecting plate 1 parallel to the moving direction of the sliding supporting plate, the switch bracket 12 is located at the second window position 1.1.2, and in this embodiment, 3 proximity switches 13 are fixed in the switch bracket 12. It should be noted that 3 proximity switches are used for positioning 3 kinds of workpieces. The positions of the 3 proximity switches are determined according to the positioning positions of the workpieces to be positioned. The proximity switch 13, the first cylinder 6 and the second cylinder 10 are all connected with a controller. A stop screw 14 is fixed to the metal stop 5. When the end head of the stop screw touches the limit sliding block, the metal stop block stops moving, the proximity switch 13 senses the metal stop block 5 and then sends an electrical instruction to the controller, and the controller controls the first cylinder to stop operating. The sliding support plate 2 is provided with a plurality of characteristic holes 2.1, and the number and the positions of the characteristic holes can be determined according to the type and the positioning positions of the workpieces to be positioned. A support rod 15 and a spring pin 16 are fixed to the fixed support plate 3. The support rod is used for supporting the workpiece to be positioned, and the spring pin is used for positioning the workpiece to be positioned.
As shown in fig. 6, the spring pin 16 comprises a support guide sleeve 16.1, a pin 16.2, and a spring 16.3. The support guide sleeve 16.1 is fixed with the fixed support plate 3, a channel for the pin to move up and down is arranged in the support guide sleeve 16.1, and the pin 16.2 is positioned in the channel of the support guide sleeve and is in sliding connection with the support guide sleeve 16.1. The bottom inside of the support guide sleeve 16.1 is threaded with a spring pretension nut 16.4. In this embodiment, the pin 16.2 includes a boss 16.2.1, one end of the spring 16.3 abuts against the boss 16.2.1 of the pin, and the other end of the spring 16.3 abuts against the spring pretension nut 16.4. The axial length of the spring can be adjusted by adjusting the spring pre-tightening nut, namely the elasticity of the spring is determined. When the spring is not pressed by external pressure, the pin in the spring pin is jacked by the spring under the action of the elastic force of the spring, and the end head of the pin is positioned outside the supporting guide sleeve. When the spring pin is pressed by external pressure, if the position of the spring pin corresponds to the position of the characteristic hole in the sliding support plate, the pin in the spring pin falls from the characteristic hole after being pressed, and if the position of the spring pin does not correspond to the position of the characteristic hole in the sliding support plate, the pin in the spring pin is supported by the sliding support plate, and the pin cannot fall from the characteristic hole, so that the workpiece to be positioned is positioned. If the pin does not have a boss, the guide sleeve 16.5 may be further disposed inside the support guide sleeve 16.1, the guide sleeve 16.5 includes a guide portion 16.5.1 and a fixing portion 16.5.2, the guide portion 16.5.1 is hollow, a guide boss is disposed outside the guide portion 16.5.1, a fixing hole is disposed in the fixing portion 16.5.2, and the screw 17 is fixedly connected with the pin 16.2 after passing through the fixing hole of the fixing portion. One end of the spring 16.3 abuts against a guide boss of the guide sleeve, and the other end of the spring 16.3 abuts against the spring pretension nut 16.4.
In order to avoid that the stop screw 14 in the metal stop block directly hits the limit slider 9.2, the metal stop block 5 is also fixed with a buffer 18. The buffer 18 plays a role in buffering when the metal stop block collides with the limit slider.
The support bar 15 is used for supporting the workpiece to be positioned. In this embodiment, a jack-up block 19 is fixed to the top of the support rod 15. The lifting block is increased, so that the end part of the supporting rod can be prevented from being directly contacted with a workpiece to be positioned, the abrasion degree of the end part of the supporting rod is reduced, and the service life is prolonged. In this embodiment, an adjusting pad 20 is disposed between the jacking block 19 and the supporting rod 15, and the adjusting pad plays a role in damping.
The working principle of the invention is as follows: when the workpiece to be positioned reaches the position right above the intelligent pin changing device, the supporting rod 15 supports the workpiece to be positioned. The type of the workpiece is identified through an external sensor, the external sensor transmits a signal to a controller, if the controller determines that the workpiece is the workpiece No. 1, a metal stop block 5 is positioned at the position of a No. 1 proximity switch 13.1, the controller controls a first air cylinder 6 to be not operated, at the moment, a spring pin of the workpiece which is not the workpiece No. 1 falls from a characteristic hole 2.1 of a sliding support plate, and the spring pin of the workpiece No. 1 is supported by the sliding support plate 2, so that the workpiece No. 1 is positioned; if the controller determines that the workpiece is the workpiece No. 2, the controller controls the second air cylinder 10 to operate, the second air cylinder 10 drives the limit sliding block 9.2 to reach a position opposite to the metal stop block 5, the controller controls the first air cylinder 6 to operate, the first air cylinder 6 drives the sliding supporting plate 2 to move in the through groove 1.1, after the stop screw 14 in the metal stop block 5 touches the limit sliding block 9.2, the metal stop block 5 pauses to move, at the moment, the metal stop block 5 is just positioned at the position of the No. 2 approach switch 13.2, the No. 2 approach switch 13.2 sends an electrical instruction to the controller, and the controller controls the first air cylinder 6 to stop operating. At the moment, the spring pin of the workpiece No. 2 falls from the characteristic hole 2.1 of the sliding support plate, and the spring pin of the workpiece No. 2 is supported by the sliding support plate 2, so that the workpiece No. 2 is positioned; if the controller determines that the workpiece is the workpiece 3, the controller controls the second air cylinder 10 to operate, the second air cylinder 10 drives the limit slider 9.2 to reach the front end of the limit guide rail 9.1, namely, the metal limit stopper is not blocked by the limit slider, then the controller controls the first air cylinder 6 to operate, the first air cylinder 6 drives the sliding support plate 2 to move in the through groove 1.1, when the stop screw 14 in the metal limit stopper 5 touches the limit guide rail 9.1, the metal limit stopper 5 pauses to move, at the moment, the metal limit stopper 5 is just located at the position of the No. 3 proximity switch 13.3, the No. 3 proximity switch 13.3 sends an electrical instruction to the controller, and the controller controls the first air cylinder 6 to stop operating. At the moment, the spring pin of the No. 3 workpiece falls from the characteristic hole of the sliding support plate, and the spring pin of the No. 3 workpiece is supported by the sliding support plate, so that the No. 3 workpiece is positioned. The intelligent pin changing device can switch the spring pin according to different types of positioning workpieces, has high operation efficiency and accurate positioning, does not need human intervention, and has high automation degree.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. An intelligent pin replacing device is characterized in that: the sliding support plate is positioned in the through groove, a first limiting window and a second limiting window are respectively formed in the through groove close to the left end and the right end of the limiting connection plate, a first driving device is fixed at the bottom of the limiting connection plate at the first limiting window, a movable joint plate is fixed on the sliding support plate, and the movable joint plate is connected with the first driving device after passing through the first limiting window; the bottom of the limit connecting plate positioned at the second limit window is provided with a limit mechanism, a plurality of proximity switches are fixed at the bottom of the limit connecting plate in parallel to the moving direction of the sliding supporting plate, the proximity switches and the first driving device are connected with the controller, the sliding supporting plate is also fixed with a metal stop block for triggering the proximity switches to send out instructions, the metal stop block penetrates through the second limit window, and a stop screw is fixed in the metal stop block; the sliding support plate is provided with a plurality of characteristic holes, the fixed support plate is fixedly provided with a support rod and a spring pin, and the metal stop block is fixedly provided with a buffer;
when the spring is not pressed by external pressure, the pin in the spring pin is jacked by the spring under the action of the elastic force of the spring, and the end head of the pin is positioned outside the supporting guide sleeve;
when the spring pin is pressed by external pressure, if the position of the spring pin corresponds to the position of the characteristic hole in the sliding support plate, the pin in the spring pin falls from the characteristic hole after being pressed, and if the position of the spring pin does not correspond to the position of the characteristic hole in the sliding support plate, the pin in the spring pin is supported by the sliding support plate, and the pin cannot fall from the characteristic hole, so that the workpiece to be positioned is positioned.
2. An intelligent pin changing device according to claim 1, wherein: the spring pin comprises a supporting guide sleeve, a pin and a spring, wherein the supporting guide sleeve is fixed with a fixed supporting plate, a spring pre-tightening nut is fixed on the inner side of the bottom of the supporting guide sleeve, the pin is in sliding connection with the supporting guide sleeve, one end of the spring is abutted to the pin, and the other end of the spring is abutted to the spring pre-tightening nut.
3. An intelligent pin changing device according to claim 2, wherein: the support guide sleeve is internally provided with a guide sleeve, the guide sleeve is fixedly connected with the pin, one end of the spring is abutted to the guide sleeve, and the other end of the spring is abutted to the spring pre-tightening nut.
4. An intelligent pin changing device according to claim 1, wherein: the limiting connecting plate is fixed with a second driving device, the limiting mechanism comprises a limiting guide rail and a limiting sliding block, the limiting guide rail is fixed at the bottom of the limiting connecting plate and is of an L-shaped structure, the second driving device is connected with the limiting sliding block, and the second driving device controls the limiting sliding block to slide in the limiting guide rail.
5. The intelligent pin changing device according to claim 4, wherein: the second driving device is a second cylinder, the second cylinder is fixed with the limiting connecting plate through a second cylinder mounting plate, and an output shaft of the second cylinder is connected with the limiting sliding block through a second movable joint.
6. An intelligent pin changing device according to claim 1, wherein: the first driving device is a first air cylinder, the first air cylinder is fixed with the limit connecting plate through a first air cylinder mounting plate, and an output shaft of the first air cylinder is connected with the movable joint plate through a first movable joint.
7. An intelligent pin changing device according to claim 1, wherein: the top of bracing piece is fixed with the jacking piece.
8. The intelligent pin changing device according to claim 7, wherein: an adjusting pad is arranged between the jacking block and the supporting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811086021.4A CN109262254B (en) | 2018-09-18 | 2018-09-18 | Intelligent pin changing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811086021.4A CN109262254B (en) | 2018-09-18 | 2018-09-18 | Intelligent pin changing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109262254A CN109262254A (en) | 2019-01-25 |
| CN109262254B true CN109262254B (en) | 2024-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811086021.4A Active CN109262254B (en) | 2018-09-18 | 2018-09-18 | Intelligent pin changing device |
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| Country | Link |
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| CN (1) | CN109262254B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109623320B (en) * | 2019-02-02 | 2021-09-03 | 无锡贝斯特精机股份有限公司 | Automatic pin changer |
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| CN206883511U (en) * | 2017-04-06 | 2018-01-16 | 格特拉克（江西）传动系统有限公司 | A kind of case of transmission positioning tray device |
| CN107877416A (en) * | 2017-11-23 | 2018-04-06 | 温岭市海博输送设备有限公司 | Composite tooling assembly |
| CN209190216U (en) * | 2018-09-18 | 2019-08-02 | 上海天永智能装备股份有限公司 | A kind of intelligence changes pin assembly |
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| CN102092019A (en) * | 2011-03-07 | 2011-06-15 | 河海大学常州校区 | Flexible multipoint tool set for positioning and supporting thin-walled curved surface parts |
| CN204195366U (en) * | 2014-10-30 | 2015-03-11 | 天津博信汽车零部件有限公司 | Alignment pin location switching mechanism |
| CN104588724A (en) * | 2014-12-30 | 2015-05-06 | 青特集团有限公司 | Device capable of simultaneously processing drum brakes of different models |
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| CN109262254A (en) | 2019-01-25 |
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