CN113086636A - Self-adaptive feeding mechanism - Google Patents
Self-adaptive feeding mechanism Download PDFInfo
- Publication number
- CN113086636A CN113086636A CN202110355983.0A CN202110355983A CN113086636A CN 113086636 A CN113086636 A CN 113086636A CN 202110355983 A CN202110355983 A CN 202110355983A CN 113086636 A CN113086636 A CN 113086636A
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- China
- Prior art keywords
- guide rod
- conical
- conical guide
- cylindrical
- suction nozzle
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- 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
- 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
- B65G47/92—Devices for picking-up and depositing articles or materials incorporating electrostatic or magnetic grippers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manipulator (AREA)
Abstract
The invention discloses a self-adaptive feeding mechanism which comprises a conical guide rod, a cylindrical suction nozzle, a guide flange and a limiting block, wherein the conical guide rod is arranged on the guide flange; a pipe body is formed in the center of the guide flange and sleeved outside the conical guide rod; the upper half part of the conical guide rod is a cylindrical section, the lower half part of the conical guide rod is a conical section, and the diameter of the conical section is gradually reduced from top to bottom to form a gap with the guide flange; the cylindrical suction nozzle is connected with the bottom of the conical guide rod; the limiting block is sleeved on the upper half part of the conical guide rod and fixed with the conical guide rod, and the conical guide rod is clamped on the guide flange through the limiting block; when the cylindrical workpiece contacts the clamp, the cylindrical suction nozzle pushes the conical guide rod to ascend, the conical guide rod and the guide flange are gradually separated, and the conical guide rod enters the conical section from the cylindrical section in a matched mode. The invention designs a conical guide rod mechanism from the mechanical structure, and when the conical guide rod mechanism works, a cylindrical workpiece generates the degree of freedom of self-adapting to a cylindrical hole, so that the conical guide rod mechanism can be well placed in the hole on the clamp, and the precision matching of the module during the operation is greatly reduced.
Description
Technical Field
The invention relates to a clamp for automatic machining, in particular to a self-adaptive feeding mechanism, and belongs to the technical field of machining.
Background
In automated feeding, an application of placing a cylindrical workpiece into a hole is often encountered, as shown in fig. 1, a cylindrical workpiece 10 needs to be placed into a holed clamp 11, it is a common practice to make the hole of the holed clamp 11 larger, and the two pieces adopt certain chamfers and are adapted to each other, and the cylindrical workpiece 10 is clamped by a mechanical arm into the hole of the holed clamp 11 by virtue of a size gap between the two pieces.
The method has the problems that enough clearance (not less than 0.05 mm) is required between the workpiece and the hole, the adaptability is poor, the requirement on the precision of the mechanical arm is high, and not less than 0.02mm, the tiny cylindrical workpiece is required to be placed into the hole mainly by the precision of a module or visual positioning, and the method is more difficult to operate particularly when a plurality of cylindrical workpieces are placed into the hole simultaneously.
Disclosure of Invention
Aiming at the existing technical problems, the invention provides a self-adaptive feeding mechanism, which reduces the precision fit of a module during operation, solves the technical difficulty of single stud hole entering, and is also suitable for multiple stud holes.
In order to solve the technical problems, the invention adopts the following technical scheme: a self-adaptive feeding mechanism comprises a conical guide rod, a cylindrical suction nozzle, a guide flange and a limiting block; a pipe body is formed in the center of the guide flange and sleeved outside the conical guide rod; the upper half part of the conical guide rod is a cylindrical section, the lower half part of the conical guide rod is a conical section, and the diameter of the conical section is gradually reduced from top to bottom to form a gap with the guide flange; the cylindrical suction nozzle is connected with the bottom of the conical guide rod; the limiting block is sleeved on the upper half part of the conical guide rod and fixed with the conical guide rod, and the conical guide rod is clamped on the guide flange through the limiting block; when the cylindrical workpiece contacts the clamp, the cylindrical suction nozzle pushes the conical guide rod to ascend, the conical guide rod and the guide flange are gradually separated, and the conical guide rod enters the conical section from the cylindrical section in a matched mode.
The beneficial effect of adopting above-mentioned technical scheme is: compared with the condition that a cylindrical workpiece is difficult to find the accurate position of the inlet hole in the prior art, the conical guide rod mechanism is designed on the basis of a mechanical structure, when the conical guide rod mechanism works, a suction nozzle adsorbs the workpiece and can gradually descend after being initially aligned with a clamp hole, when the cylindrical workpiece contacts a clamp with the hole, the cylindrical suction nozzle can push the conical guide rod to ascend, the conical guide rod and the guide flange are gradually separated, namely, the conical guide rod enters the conical fit from the cylindrical fit, a gap is formed between the conical guide rod and the guide flange, the cylindrical workpiece generates the degree of freedom of self-adaption to the cylindrical hole, and therefore the precision fit of a module in the operation process can be well reduced. The invention solves the technical difficulty of single stud hole entering from the mechanical structure, is also suitable for a plurality of stud holes entering, and greatly reduces the cost.
Further, the cylindrical suction nozzle is a vacuum suction nozzle; the conical guide rod is of a hollow structure, the bottom of the conical section is communicated with the vacuum suction nozzle, and the top of the cylindrical section is connected with vacuum equipment.
The beneficial effect of adopting above-mentioned technical scheme is: the application range of the vacuum adsorption is wide, other suitable adsorption devices can be selected, such as metal workpieces, and electromagnetic adsorption can be selected.
The invention further discloses that the end part of the conical guide rod is connected with vacuum equipment through a quick connector and a connecting pipe.
The beneficial effect of adopting above-mentioned technical scheme is: the connection is convenient, and the pipeline connection or disconnection can be realized without tools.
Furthermore, the conical guide rod is sleeved with a spring, the lower end of the spring is connected with the upper edge of the cylindrical suction nozzle, and the upper end of the spring is in contact with the lower edge of the guide flange.
The beneficial effect of adopting above-mentioned technical scheme is: after the suction nozzle puts down the work piece, in order to prevent that toper guide arm cylinder section and guide flange cooperation from being too tight, the spring can upwards extrude guide flange, resets toper guide arm and guide flange fast.
Furthermore, a gasket is arranged between the lower edge of the guide flange and the spring.
The beneficial effect of adopting above-mentioned technical scheme is: reduce the wearing and tearing between spring and the flange, increase the accessory life-span.
Furthermore, a notch facilitating the entering and exiting of the workpiece is reserved on the cylindrical suction nozzle.
The beneficial effect of adopting above-mentioned technical scheme is: the workpiece can enter or withdraw from the suction nozzle conveniently.
Furthermore, the limiting block is connected with the conical guide rod through an M4 jackscrew.
The beneficial effect of adopting above-mentioned technical scheme is: can effectual fixed column stopper and toper guide arm, it is convenient to dismantle.
In a further aspect of the present invention, the guide flange has lug plates formed on both sides thereof.
The beneficial effect of adopting above-mentioned technical scheme is: the guide flange is conveniently connected with other accessories so as to be fixedly installed on the device.
In a further aspect of the invention, the cylindrical suction nozzle is connected with the conical guide rod through an M3 jackscrew.
The beneficial effect of adopting above-mentioned technical scheme is: can effectual fixed column cylinder suction nozzle and toper guide arm, it is convenient to dismantle.
Drawings
FIG. 1 is a schematic diagram of the operation of the prior art;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a schematic view of a tapered guide bar according to the present invention;
FIG. 4 is a cross-sectional view of the present invention;
FIG. 5 is a schematic view of the cylindrical nozzle of the present invention;
in the figure: 1. the device comprises a cylindrical suction nozzle, 101, a notch, 2, M3 jackscrews, 3, a spring, 4, a gasket, 5, a guide flange, 6, a limiting block, 7, M4 jackscrews, 8, a conical guide rod, 801, a cylindrical section, 802, a conical section, 9, a quick joint, 10, a cylindrical workpiece, 11 and a clamp with a hole.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
One embodiment of the invention: as shown in fig. 2 and 3, a self-adaptive feeding mechanism comprises a conical guide rod 8, a cylindrical suction nozzle 1, a guide flange 5 and a limiting block 6; a pipe body is formed in the center of the guide flange 5 and sleeved outside the conical guide rod 8; the upper half part of the conical guide rod 8 is a cylindrical section 801, the lower half part of the conical guide rod is a conical section 802, and the diameter of the conical section 802 is gradually reduced from top to bottom to form a gap with the guide flange 5; the cylindrical suction nozzle 1 is connected with the bottom of the conical guide rod 8; the limiting block 6 is sleeved on the upper half part of the conical guide rod 8 and is fixed with the conical guide rod 8, and the conical guide rod 8 is clamped on the guide flange 5 through the limiting block 6; when the cylindrical workpiece 10 contacts the fixture, the cylindrical suction nozzle 1 pushes the conical guide rod 8 to ascend, the conical guide rod 8 and the guide flange 5 are gradually separated, and the cylindrical workpiece is matched with the conical workpiece from the cylindrical section to the conical section.
The invention designs a conical guide rod 8 mechanism from a mechanical structure, when the mechanism works, as shown in figures 2 and 4, a cylindrical suction nozzle 1 adsorbs a cylindrical workpiece 10 to initially align with a clamp hole of a clamp with a hole 11 and then gradually descends, when the cylindrical workpiece 10 contacts the clamp with the hole 11, the cylindrical suction nozzle 1 pushes the conical guide rod 8 to ascend, the conical guide rod 8 is gradually separated from a guide flange 5, the conical guide rod 8 enters the conical fit from the cylindrical fit in the guide flange 5, a gap is formed between the conical guide rod 8 and the guide flange, and the cylindrical workpiece 10 generates the degree of freedom of self-adaption to the cylindrical hole, so that the conical guide rod can be well placed in the hole on the clamp to greatly reduce the precision fit of the module during operation. The invention solves the technical difficulty of single stud hole entering from the mechanical structure, is also suitable for a plurality of stud holes entering, and greatly reduces the cost.
In other embodiments of the present invention, the rest are the same as the above embodiments except that, as shown in fig. 2, the cylindrical suction nozzle 1 is a vacuum suction nozzle; the conical guide rod 8 is of a hollow structure, the bottom of the conical section 802 is communicated with the vacuum suction nozzle, and the top of the cylindrical section 801 is connected with vacuum equipment. The application range of the vacuum adsorption is wide, other suitable adsorption devices can be selected, such as metal workpieces, and electromagnetic adsorption can be selected.
In other embodiments of the present invention, the same as the above embodiments, except that the tapered guide rod 8 is connected to the vacuum apparatus at its end through a quick coupling 9 and a nipple as shown in fig. 2. The embodiment is convenient to connect, and the pipeline can be connected or disconnected without tools.
In other embodiments of the present invention, the rest of the embodiments are the same as the above embodiments, except that, as shown in fig. 2, a spring 3 is sleeved on a conical guide rod 8, the lower end of the spring 3 is connected with the upper edge of the cylindrical suction nozzle 1, and the upper end of the spring 3 is contacted with the lower edge of the guide flange 5. After the suction nozzle puts down the work piece, in order to prevent 8 cylinder sections of toper guide arm and guide flange 5 cooperation tension, spring 3 can upwards extrude guide flange 5, resets toper guide arm 8 and guide flange 5 fast.
In other embodiments of the present invention, the rest of the embodiments are the same as the above embodiments, except that, as shown in fig. 2, a gasket 4 is provided between the lower edge of the guide flange 5 and the spring 3, so as to reduce the abrasion between the spring 3 and the flange and increase the service life of the fitting.
In other embodiments of the present invention, the rest of the embodiments are the same as the above embodiments, except that, as shown in fig. 5, a notch 101 for facilitating the entry and exit of the workpiece is formed on the cylindrical suction nozzle 1, so as to facilitate the entry and exit of the workpiece from the suction nozzle.
In other embodiments of the present invention, the remaining embodiments are the same as the above embodiments except that the stop block 6 is connected to the tapered guide 8 by M4 jackscrews 7 as shown in fig. 2. This embodiment can effectual fixed column stopper and toper guide arm 8, and it is convenient to dismantle.
In other embodiments of the present invention, the same as the above embodiments are used except that, as shown in fig. 2, lug plates are formed at both sides of the guide flange 5. This embodiment facilitates the connection of the guide flange 5 with other fittings for the mounting and fixation of the device.
In other embodiments of the present invention, the same as the above embodiments except that the cylindrical suction nozzle 1 is connected to the tapered guide bar 8 by M3 jackscrew 2 as shown in fig. 2. This embodiment can effectual fixed column cylinder suction nozzle 1 and toper guide arm 8, it is convenient to dismantle.
It should be understood that the above-mentioned embodiments are only illustrative of the technical concepts and features of the present invention, and are intended to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the scope of the present invention. All equivalent changes or modifications made according to the spirit of the main technical scheme of the invention are covered in the protection scope of the invention.
Claims (9)
1. A self-adaptive feeding mechanism is characterized by comprising a conical guide rod, a cylindrical suction nozzle, a guide flange and a limiting block;
a pipe body is formed in the center of the guide flange and sleeved outside the conical guide rod;
the upper half part of the conical guide rod is a cylindrical section, the lower half part of the conical guide rod is a conical section, and the diameter of the conical section is gradually reduced from top to bottom to form a gap with the guide flange;
the cylindrical suction nozzle is connected with the bottom of the conical guide rod;
the limiting block is sleeved on the upper half part of the conical guide rod and fixed with the conical guide rod, and the conical guide rod is clamped on the guide flange through the limiting block;
when the cylindrical workpiece contacts the clamp, the cylindrical suction nozzle pushes the conical guide rod to ascend, the conical guide rod and the guide flange are gradually separated, and the conical guide rod enters the conical section from the cylindrical section in a matched mode.
2. An adaptive feed mechanism according to claim 1, wherein the cylindrical suction nozzle is a vacuum suction nozzle; the conical guide rod is of a hollow structure, the bottom of the conical section is communicated with the vacuum suction nozzle, and the top of the cylindrical section is connected with vacuum equipment.
3. An adaptive feed mechanism according to claim 2, wherein the tapered guide rod end is connected to the vacuum equipment through a quick connector and a connecting pipe.
4. An adaptive feeding mechanism according to claim 1 or 2, wherein the conical guide rod is sleeved with a spring, the lower end of the spring is connected with the upper edge of the cylindrical suction nozzle, and the upper end of the spring is contacted with the lower edge of the guide flange.
5. An adaptive feed mechanism according to claim 4, wherein a spacer 4 is provided between the lower edge of the guide flange and the spring.
6. An adaptive feeding mechanism according to claim 2, wherein a notch 101 is left on the cylindrical suction nozzle for facilitating the entry and exit of the workpiece.
7. The adaptive feeding mechanism as claimed in claim 1, wherein the limiting block is connected with the tapered guide rod through M4 jackscrews.
8. An adaptive feed mechanism according to claim 1, wherein the guide flange is formed with lugs on both sides.
9. An adaptive feeding mechanism according to claim 1, wherein the cylindrical suction nozzle is connected with the conical guide rod through M3 jackscrews.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110355983.0A CN113086636B (en) | 2021-04-01 | 2021-04-01 | Self-adaptive feeding mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110355983.0A CN113086636B (en) | 2021-04-01 | 2021-04-01 | Self-adaptive feeding mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113086636A true CN113086636A (en) | 2021-07-09 |
| CN113086636B CN113086636B (en) | 2022-07-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110355983.0A Active CN113086636B (en) | 2021-04-01 | 2021-04-01 | Self-adaptive feeding mechanism |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM451351U (en) * | 2012-10-05 | 2013-04-21 | Lextar Electronics Corp | Die suction nozzle device |
| CN208409906U (en) * | 2018-06-19 | 2019-01-22 | 广东华测检测机器人股份有限公司 | A kind of flexibility soup stick |
| CN209811682U (en) * | 2019-04-01 | 2019-12-20 | 无锡丹尼克尔自动化科技有限公司 | Flexible automatic assembly line for O-shaped rings with small diameters and large wire diameters |
| CN211393033U (en) * | 2019-11-28 | 2020-09-01 | 歌尔科技有限公司 | Material taking suction nozzle assembly and material taking suction nozzle quick-change structure thereof |
| CN111941455A (en) * | 2020-08-20 | 2020-11-17 | 广州尚纳智能科技有限公司 | Suction nozzle for point drill |
-
2021
- 2021-04-01 CN CN202110355983.0A patent/CN113086636B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM451351U (en) * | 2012-10-05 | 2013-04-21 | Lextar Electronics Corp | Die suction nozzle device |
| CN208409906U (en) * | 2018-06-19 | 2019-01-22 | 广东华测检测机器人股份有限公司 | A kind of flexibility soup stick |
| CN209811682U (en) * | 2019-04-01 | 2019-12-20 | 无锡丹尼克尔自动化科技有限公司 | Flexible automatic assembly line for O-shaped rings with small diameters and large wire diameters |
| CN211393033U (en) * | 2019-11-28 | 2020-09-01 | 歌尔科技有限公司 | Material taking suction nozzle assembly and material taking suction nozzle quick-change structure thereof |
| CN111941455A (en) * | 2020-08-20 | 2020-11-17 | 广州尚纳智能科技有限公司 | Suction nozzle for point drill |
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| Publication number | Publication date |
|---|---|
| CN113086636B (en) | 2022-07-12 |
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