CN110626792A - Rubber ring clamping device - Google Patents
Rubber ring clamping device Download PDFInfo
- Publication number
- CN110626792A CN110626792A CN201910592981.6A CN201910592981A CN110626792A CN 110626792 A CN110626792 A CN 110626792A CN 201910592981 A CN201910592981 A CN 201910592981A CN 110626792 A CN110626792 A CN 110626792A
- Authority
- CN
- China
- Prior art keywords
- clamping jaw
- workpiece
- rubber ring
- shaft sleeve
- driving
- 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.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
- B65G47/90—Devices for picking-up and depositing articles or materials
- B65G47/91—Devices for picking-up and depositing articles or materials incorporating pneumatic, e.g. suction, grippers
- B65G47/912—Devices for picking-up and depositing articles or materials incorporating pneumatic, e.g. suction, grippers provided with drive systems with rectilinear movements only
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/02—Articles
- B65G2201/0214—Articles of special size, shape or weigh
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Assembly (AREA)
Abstract
A clamping device for rubber ring parts comprises a shaft sleeve, a workpiece supporting mandrel movably arranged in the shaft sleeve, a clamping jaw opening cylinder, a discharging pressing sleeve movably sleeved outside the lower end of the shaft sleeve, and a discharging cylinder, wherein a workpiece fixed end is formed at the bottom end of the shaft sleeve, a plurality of mounting grooves are circumferentially arranged on the workpiece fixed end, clamping jaws are rotatably arranged in the mounting grooves, a ratchet hook is arranged on the outer side of each clamping jaw, a driving part is arranged on the inner side of each clamping jaw, a clamping jaw driving block is arranged at the bottom end of the workpiece supporting mandrel, the top end of the workpiece supporting mandrel extends out of the shaft sleeve and is connected with an ejector block, a spring is arranged between the ejector block and the top end of the shaft sleeve, the clamping jaws are outwards opened to form a workpiece positioning space between the workpiece fixed end and the ratchet hook, and when the clamping jaw opening cylinder pushes the workpiece supporting mandrel to, the unloading cylinder pushes the unloading pressing sleeve to move downwards so as to push out the rubber ring clamp positioned in the workpiece positioning space.
Description
Technical Field
The invention relates to a gripping device for easily deformed circular ring workpieces.
Background
In the prior art, the three-jaw air cylinder or the multi-jaw mechanism is generally adopted to automatically grab the O-shaped ring workpiece and the circular ring workpiece which are easy to deform, the grabbed workpieces are deformed due to the grabbing force of the jaws in the grabbing process, the workpieces are not favorably placed in place, and whether the workpieces are placed in place or not can not be effectively judged after the workpieces are moved.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to provide the rubber ring clamping device which can quickly and stably clamp O-shaped ring workpieces and circular ring workpieces.
In order to achieve the above purpose, the invention provides a rubber ring clamping device, which comprises a shaft sleeve arranged along the longitudinal direction, a workpiece supporting mandrel movably arranged inside the shaft sleeve, a clamping jaw opening cylinder used for driving the workpiece supporting mandrel, a discharging pressing sleeve movably sleeved outside the lower end of the shaft sleeve, and a discharging cylinder used for driving the discharging pressing sleeve, wherein a workpiece fixed end is formed at the bottom end of the shaft sleeve, a plurality of mounting grooves are circumferentially arranged on the workpiece fixed end, a clamping jaw is rotatably arranged in each mounting groove, a ratchet hook is arranged on the outer side of each clamping jaw, a driving part is arranged on the inner side of each clamping jaw, a clamping jaw driving block is arranged at the bottom end of the workpiece supporting mandrel, the top end of the workpiece supporting mandrel extends out of the shaft sleeve and is connected with an ejector block, and a spring is arranged between the ejector block and the top end of the shaft sleeve, the clamping jaw is opened outwards to form a workpiece positioning space between the workpiece fixing end and the ratchet hook, when the clamping jaw opening cylinder pushes the workpiece supporting mandrel to move downwards, the clamping jaw driving block of the workpiece supporting mandrel acts on the driving part of the clamping jaw to enable the clamping jaw to be retracted into the mounting groove, and the discharging cylinder pushes the discharging pressing sleeve to move downwards to push out the rubber ring clamp located in the workpiece positioning space.
The rubber ring part positioning device is further improved by comprising a positioning assembly, wherein the positioning assembly comprises a body and an annular workpiece bearing platform for placing the rubber ring part, a floating platform is movably arranged at the center of the workpiece bearing platform along the longitudinal direction, a return spring is arranged below the floating platform, and the diameter of the fixed end of the workpiece is matched with that of the floating platform.
As a further improvement of the invention, a plurality of mounting grooves extending along the longitudinal direction are arranged on the circumference of the fixed end of the workpiece.
As a further improvement of the invention, the discharging compression sleeve comprises an end face and a side wall, a first flange and a second flange are arranged on the periphery of the shaft sleeve, the end face is positioned between the first flange and the second flange, a first spring is arranged between the end face and the first flange, and a second spring is arranged between the end face and the second flange.
As a further improvement of the present invention, the clamping jaws are distributed around the workpiece supporting shaft, the clamping jaw driving block includes clamping jaw accommodating grooves for accommodating the clamping jaws and driving ends for driving the clamping jaws, when the driving ends are abutted against the driving portions of the clamping jaws, the clamping jaws are in an open state, and when the workpiece supporting shaft moves to move the driving ends away from the driving portions of the clamping jaws, the clamping jaws are accommodated in the clamping jaw accommodating grooves.
As a further improvement of the invention, the clamping jaw driving block is in a dumbbell-shaped structure, and the driving end is positioned at the end part of the dumbbell-shaped structure.
As a further improvement of the invention, the driving part of the clamping jaw is in a circular arc transition surface.
As a further development of the invention, a displacement sensor for detecting the position of the workpiece is included.
The discharging device is further improved by comprising an adapter plate, wherein the discharging cylinder and the displacement sensor are connected to the adapter plate, the adapter plate is provided with a U-shaped opening, and the U-shaped opening is sleeved outside the first spring and is positioned above the end face of the discharging pressing sleeve.
As a further improvement of the invention, the device comprises a moving assembly, and the moving assembly comprises a three-axis positioning driving part.
Due to the adoption of the technical scheme, the device is compact in grabbing structure and high in universality, the overall flexibility and stability of the equipment are improved, the whole grabbing part is convenient to replace, and the device has the function of detecting whether a workpiece is placed in place.
Drawings
FIG. 1 is a perspective view of a rubber ring clamping device according to the present invention;
FIG. 2 is a perspective view of a core part of the rubber ring gripping device of the present invention;
FIG. 3 is a cross-sectional view of the rubber ring gripping device of the present invention;
fig. 4 to 7 are schematic diagrams illustrating the working principle of the rubber ring clamping device of the invention.
Detailed Description
The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the invention easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the invention.
Referring to the attached drawings 1 to 3, fig. 1 is a perspective view of a rubber ring clamping device of the present invention, fig. 2 is a perspective view of a core part of the rubber ring clamping device of the present invention, and fig. 3 is a sectional view of the rubber ring clamping device of the present invention. The rubber ring clamping device comprises an upper part and a lower part, wherein the upper part has the functions of grabbing workpieces, placing the workpieces and detecting the workpieces, the upper part is driven by external power to descend to a workpiece positioning position for grabbing, then moves to a required position for placing the workpieces and detecting, and the lower part has the functions of positioning and supporting the workpieces before grabbing.
The upper part comprises a shaft sleeve 1 arranged along the longitudinal direction, a workpiece supporting mandrel 2 movably arranged in the shaft sleeve 1, a clamping jaw opening cylinder 3 used for driving the workpiece supporting mandrel 2, a discharging pressing sleeve 4 movably sleeved outside the lower end of the shaft sleeve 1, a discharging cylinder 5 used for driving the discharging pressing sleeve 4, a displacement sensor 15 used for detecting the position of a workpiece, and a moving assembly, wherein the moving assembly comprises a three-shaft positioning driving part, and the moving assembly is not described in detail in the invention.
The discharging pressing sleeve 4 comprises an end face 16 and a side wall 17, a first flange 18 and a second flange 19 are arranged on the periphery of the shaft sleeve 1, the end face 16 of the discharging pressing sleeve 4 is located between the first flange 18 and the second flange 19, a first spring 20 is arranged between the end face 16 and the first flange 18, and a second spring 21 is arranged between the end face 16 and the second flange 19.
The discharging cylinder 5 and the displacement sensor 15 are connected to an adapter plate 22, the adapter plate 22 is provided with a U-shaped opening, and the U-shaped opening is sleeved outside the first spring 20 and is positioned above the end face 16 of the discharging pressing sleeve 4.
The bottom of axle sleeve 1 forms work piece stiff end 6, be provided with a plurality of mounting grooves 7 along longitudinal extension on the work piece stiff end 6 along circumference, rotatable clamping jaw 8 of installing in every mounting groove 7, each clamping jaw 8 encircles work piece back shaft 2 and distributes, the outside of clamping jaw 8 has ratchet 9, the inboard has drive division 10, clamping jaw drive block 11 is installed to the bottom of work piece back shaft 2, clamping jaw drive block 11 is including clamping jaw accepting groove 23 that is used for holding each clamping jaw 8, a drive end 24 that is used for driving each clamping jaw 8, when drive end 24 supports tightly on the drive division 10 of clamping jaw 8, each clamping jaw 8 is in the state of opening, when work piece back shaft 2 removes so that drive end 24 removes from the drive division 10 of clamping jaw 8, each clamping jaw 8 is acceptd in clamping jaw accepting groove 23.
In this embodiment, the jaw drive block 11 is of a dumbbell-shaped configuration, with the drive end 24 at the end of the dumbbell-shaped configuration, and correspondingly, the drive portions 10 of the jaws 8 are of a radiused transition surface.
The top end of the workpiece supporting mandrel 2 extends out of the shaft sleeve 1 and is connected with a top block 12, a spring 13 is arranged between the top block 12 and the top end of the shaft sleeve 1, the clamping jaw 8 is outwards opened to form a workpiece positioning space between the workpiece fixing end 6 and the ratchet hook 9, when the clamping jaw opening cylinder 3 pushes the workpiece supporting mandrel 2 to move downwards, a clamping jaw driving block 11 of the workpiece supporting mandrel 2 acts on a driving part 10 of the clamping jaw 8 to enable the clamping jaw 8 to be retracted into the mounting groove 7, and the discharging cylinder 5 pushes the discharging pressing sleeve 4 to move downwards to clamp and push out a rubber ring part 14 located in the workpiece positioning space.
The positioning component of the lower part comprises a body 25 and an annular workpiece receiving platform 26 for placing the rubber ring 14, a floating platform 27 is longitudinally movably arranged at the center of the workpiece receiving platform 26, a return spring 28 is arranged below the floating platform 27, and the diameter of the fixed end 6 of the workpiece is matched with that of the floating platform 26.
Fig. 4 to 7 are schematic diagrams illustrating the working principle of the rubber ring clamping device of the invention.
In the initial state, the rubber ring 14 is placed on a workpiece receiving table 26 of the positioning assembly, the floating platform 27 is supported by a return spring 28 and can float downwards, the whole upper part assembly moves downwards integrally, the workpiece fixing end 6 is correspondingly pressed into the floating platform 26 and moves downwards together, in the process, the rubber ring 14 is sleeved on the workpiece fixing end 6 to ensure that the workpiece is not deformed due to clamping, then the whole upper part assembly moves upwards, the floating platform 26 restores to the initial height, in the process, the spring 13 exerts spring force on the clamping jaw driving block 11 upwards, the driving end 24 is abutted against the driving part 10 of the clamping jaw 8, and each clamping jaw 8 opens outwards to enable the rubber ring 14 to be fixed in the workpiece positioning space.
When the moving assembly moves the upper part subassembly to the corresponding position, the clamping jaw opening cylinder 3 extends to push the workpiece supporting mandrel 2 to move downwards, the clamping jaw driving block 11 of the workpiece supporting mandrel 2 acts on the driving part 10 of the clamping jaw 8 to enable the clamping jaw 8 to be retracted into the mounting groove 7, meanwhile, the discharging cylinder 5 pushes the discharging pressing sleeve 4 to move downwards, the rubber ring piece 14 located in the workpiece positioning space is clamped and pushed out to enable the workpiece to be placed in place, and whether the workpiece is placed in place is detected through the displacement sensor 15.
The above embodiments are merely illustrative of the technical concept and features of the present invention, and the present invention is not limited thereto, and any equivalent changes or modifications made according to the spirit of the present invention should be included in the scope of the present invention.
Claims (10)
1. The utility model provides a device is got to rubber ring piece clamp which characterized in that: the workpiece clamping device comprises a shaft sleeve, a workpiece supporting mandrel, a clamping jaw opening cylinder, a discharging pressing sleeve and a discharging cylinder, wherein the shaft sleeve is arranged in the shaft sleeve in a movable mode, the clamping jaw opening cylinder is used for driving the workpiece supporting mandrel, the discharging pressing sleeve is sleeved outside the lower end of the shaft sleeve in a movable mode, the discharging cylinder is used for driving the discharging pressing sleeve, a workpiece fixed end is formed at the bottom end of the shaft sleeve, a plurality of mounting grooves are formed in the workpiece fixed end in the circumferential direction, a clamping jaw is rotatably mounted in each mounting groove, a ratchet hook is arranged on the outer side of the clamping jaw, a driving portion is arranged on the inner side of the clamping jaw, a clamping jaw driving block is mounted at the bottom end of the workpiece supporting mandrel, the top end of the workpiece supporting mandrel extends out of the shaft sleeve and is connected with a top block, a spring is arranged between the top block and the, when the clamping jaw opening cylinder pushes the workpiece supporting mandrel to move downwards, the clamping jaw driving block of the workpiece supporting mandrel acts on the driving part of the clamping jaw to enable the clamping jaw to be retracted into the mounting groove, and the discharging cylinder pushes the discharging pressing sleeve to move downwards to push out the rubber ring clamp located in the workpiece positioning space.
2. The rubber ring gripper according to claim 1, wherein: the positioning assembly comprises a body and an annular workpiece bearing platform used for placing a rubber ring, a floating platform is arranged at the center of the workpiece bearing platform in a longitudinally movable mode, a return spring is arranged below the floating platform, and the diameter of a fixed end of the workpiece is matched with that of the floating platform.
3. The rubber ring gripper according to claim 1, wherein: the circumference of the workpiece fixing end is provided with a plurality of mounting grooves extending along the longitudinal direction.
4. The rubber ring gripper according to claim 1, wherein: the discharging and pressing sleeve comprises an end face and a side wall, a first flange and a second flange are arranged on the periphery of the shaft sleeve, the end face is located between the first flange and the second flange, a first spring is arranged between the end face and the first flange, and a second spring is arranged between the end face and the second flange.
5. The rubber ring gripper according to claim 1, wherein: the clamping jaw encircle the work piece back shaft distribute, clamping jaw drive block including the clamping jaw accepting groove that is used for holding each clamping jaw, the drive end that is used for driving each clamping jaw, work as the drive end support when tight on the drive division of clamping jaw, each clamping jaw is in open state, work as work piece back shaft remove so that the drive end remove from the drive division of clamping jaw when, each clamping jaw accept in the clamping jaw accepting groove.
6. The rubber ring gripper according to claim 5, wherein: the clamping jaw driving block is of a dumbbell-shaped structure, and the driving end is located at the end of the dumbbell-shaped structure.
7. The rubber ring gripper according to claim 5, wherein: the driving part of the clamping jaw is a circular arc transition surface.
8. The rubber ring gripper according to claim 1, wherein: including a displacement sensor for detecting the position of the workpiece.
9. The rubber ring gripper according to claim 1, wherein: the discharging device comprises an adapter plate, wherein the discharging cylinder and a displacement sensor are connected to the adapter plate, the adapter plate is provided with a U-shaped opening, and the U-shaped opening is sleeved outside a first spring and positioned above the end face of a discharging pressing sleeve.
10. The rubber ring gripper according to claim 1, wherein: the device comprises a moving assembly, wherein the moving assembly comprises a three-axis positioning driving component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910592981.6A CN110626792A (en) | 2019-07-03 | 2019-07-03 | Rubber ring clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910592981.6A CN110626792A (en) | 2019-07-03 | 2019-07-03 | Rubber ring clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110626792A true CN110626792A (en) | 2019-12-31 |
Family
ID=68968973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910592981.6A Pending CN110626792A (en) | 2019-07-03 | 2019-07-03 | Rubber ring clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110626792A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113878508A (en) * | 2021-09-08 | 2022-01-04 | 上海精测半导体技术有限公司 | Clamping device of charged particle emitter |
-
2019
- 2019-07-03 CN CN201910592981.6A patent/CN110626792A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113878508A (en) * | 2021-09-08 | 2022-01-04 | 上海精测半导体技术有限公司 | Clamping device of charged particle emitter |
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