CN111618634A - Automatic telescopic pressing mechanism with inner hole self-centering function - Google Patents
Automatic telescopic pressing mechanism with inner hole self-centering function Download PDFInfo
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- CN111618634A CN111618634A CN202010610396.7A CN202010610396A CN111618634A CN 111618634 A CN111618634 A CN 111618634A CN 202010610396 A CN202010610396 A CN 202010610396A CN 111618634 A CN111618634 A CN 111618634A
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- pressing
- pull rod
- oil cylinder
- taper seat
- seat
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/08—Work-clamping means other than mechanically-actuated
- B23Q3/082—Work-clamping means other than mechanically-actuated hydraulically actuated
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention discloses an automatic telescopic pressing mechanism with an inner hole self-centering function, which comprises a power pulling piece, a bridge plate, a pull rod, a taper seat, an oil cylinder seat, an end face positioning block, a pressing plate and more than one pressing claw, wherein the power pulling piece is arranged at one end of the bridge plate, the pull rod penetrates through the bridge plate to be connected with the power pulling piece, and the power pulling piece performs pulling action; the invention can realize compaction and has the function of eliminating gaps by using the oil cylinder, the pressing claw, the expanding clamp and the like, has simple structure, reliable function and strong manufacturing manufacturability, can realize that a manipulator can easily grab a workpiece, eliminates the gaps of product tolerance and improves the processing precision of the product.
Description
Technical Field
The invention relates to a clamp, in particular to an automatic telescopic pressing mechanism with an inner hole self-centering function.
Background
When a product is clamped, the common equipment is a mechanical arm which is used for clamping some shaft parts and the like, but when the traditional mechanical arm is used, the clamping structure is complex, a large tolerance gap exists when the mechanical arm is clamped, the clamping precision is low, the precision is reduced when the product is produced and machined, and the clamping is inconvenient.
Disclosure of Invention
The invention aims to solve the technical problem that an automatic telescopic pressing mechanism with an inner hole self-centering function can realize pressing and has the function of eliminating a gap by using simple structures such as an oil cylinder, a pressing claw, a tensioning clamp and the like, has simple structure, reliable function and strong manufacturing manufacturability, can realize that a manipulator can easily grab a workpiece, eliminate the gap of product tolerance and improve the processing precision of the product.
The invention is realized by the following technical scheme: an automatic telescopic pressing mechanism with an inner hole self-centering function comprises a power pulling piece, a bridge plate, a pull rod, a taper seat, an oil cylinder seat, an end face positioning block, a pressing plate and more than one pressing claw, wherein the power pulling piece is arranged at one end of the bridge plate, the pull rod penetrates through the bridge plate to be connected with the power pulling piece, and the power pulling piece performs pulling action;
the taper seat is sleeved outside the pull rod, one end of the taper seat is tightly attached to the end face of the bridge plate, the piston expansion clamp is installed outside the taper seat, the oil cylinder seat is installed outside the piston expansion clamp, the end face positioning block is installed at the outer side end of the oil cylinder seat, the taper seat and the end face of the bridge plate are tightly pressed through the end face positioning block, more than one pressing claw is installed on the taper seat in an elastic rotating mode, the pressing plate is installed on the pull rod and located on the outer side face of the more than one pressing claw, and the pressing plate is in floating connection with the pull rod.
As a preferred technical scheme, a movable pressing sleeve is arranged in the middle of the pressing plate in a penetrating mode.
According to the preferable technical scheme, the head of the pull rod is provided with a threaded section, a nut is sleeved on the threaded section, after the pressing plate is installed, the outer end of the pressing plate is locked through the nut, a step surface is formed between the threaded section and the pull rod, and the pressing plate is tightly pressed and fixed on the step surface of the pull rod through the nut.
As a preferred technical scheme, the pressing claws are rotatably arranged on the taper seat through a rotating pin, and the rotating pin is fixedly provided with a torsion spring.
Preferably, the hook surface of at least one pressing claw faces the taper seat side, and the other surface of the pressing claw is in contact with the end surface of the pressing plate.
As the preferred technical scheme, the power drawing piece adopts an oil cylinder.
Preferably, the outer wall surface of the taper seat is a conical surface.
The invention has the beneficial effects that: 1. the invention only uses two oil cylinders, pressing claws, expanding clamps and the like, can realize the compaction and has the function of eliminating the clearance, and has simple structure and reliable function;
2. the invention has strong manufacturing manufacturability;
3. the manipulator can easily grab the workpiece;
4. eliminate the clearance of product tolerance, improve the machining precision of product.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is an internal cross-sectional view of the present invention.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.
In the description of the present invention, it is to be understood that the terms "one end", "the other end", "outside", "upper", "inside", "horizontal", "coaxial", "central", "end", "length", "outer end", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.
Further, in the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
The use of terms such as "upper," "above," "lower," "below," and the like in describing relative spatial positions herein is for the purpose of facilitating description to describe one element or feature's relationship to another element or feature as illustrated in the figures. The spatially relative positional terms may be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below" can encompass both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly
In the present invention, unless otherwise explicitly specified or limited, the terms "disposed," "sleeved," "connected," "penetrating," "plugged," and the like are to be construed broadly, e.g., as a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
As shown in fig. 1 and 2, the automatic telescopic pressing mechanism with the inner hole self-centering function of the invention comprises a power pulling piece 5, a bridge plate 6, a pull rod 3, a taper seat 7, an oil cylinder seat 1, an end face positioning block 8, a pressing plate 4 and more than one pressing claw 9, wherein the power pulling piece 5 is installed at one end of the bridge plate 6, the pull rod 3 penetrates through the bridge plate 6 to be connected with the power pulling piece 5, and the power pulling piece 5 performs pulling action;
the taper seat 7 is sleeved outside the pull rod 3, one end of the taper seat 7 is tightly attached to the end face of the bridge plate 6, a piston expanding clamp 2 is installed outside the taper seat 7, an oil cylinder seat 1 is installed outside the piston expanding clamp 2, an end face positioning block 8 is installed at the outer side end of the oil cylinder seat 1, the oil cylinder seat 1 and the end face of the bridge plate 6 are tightly pressed through the end face positioning block 8, more than one pressing claw 9 is installed on the taper seat 7 in an elastic rotating mode, the pressing plate 4 is installed on the pull rod 3 and located on the outer side face of more than one pressing claw 9, a movable pressing sleeve 10 penetrates through the middle of the pressing plate 4, the movable pressing sleeve is fixed on the pull rod, and the movable pressing sleeve is connected with the pressing plate in a.
Due to the arrangement of the movable pressing sleeve and the piston expansion clamp, the oil cylinder is pulled down to tightly press the workpiece during working, and the piston expansion clamp tightly presses the workpiece; in addition, due to the arrangement of the floating movable pressing sleeve, the pressing claw and the workpiece can be better pressed, and the gap is eliminated.
The head of the pull rod 3 is provided with a threaded section, the threaded section is sleeved with a nut 11, after the pressing plate is installed, the outer end of the threaded section is locked through the nut 11, a step surface is formed between the threaded section and the pull rod 3, and the pressing plate 4 is tightly pressed and fixed on the step surface of the pull rod 3 through the nut 11.
The pressing claws 9 are rotatably mounted on the taper seat 7 through a rotating pin, torsion springs are fixedly mounted on the rotating pin, the hook surfaces of more than one pressing claw 9 face one side of the taper seat 7, and the other surface of the pressing claw 9 is in contact with the end surface of the pressing plate 4.
In this embodiment, the power drawer 5 is an oil cylinder, but other devices such as an air cylinder may be used.
Description of the working principle:
when the oil cylinder is pulled down, the pull rod pulls the pressing plate, and the pressing plate drives the pressing claw to realize the pressing of the workpiece; when the oil cylinder extends out, the pull rod pushes the pressing plate, the pressing plate extends upwards, and the torsion spring pushes the pressing claw to realize the loosening of the pressing claw. The invention integrates the expansion clamp and the piston into a whole, then when hydraulic oil enters the cavity, the piston expansion clamp is pulled down to pass through the taper seat,
the automatic centering effect is realized, the problem of poor precision is effectively solved, and the gap is eliminated.
The invention has the beneficial effects that:
1. the invention only uses two oil cylinders, pressing claws, expanding clamps and the like, can realize the compaction and has the function of eliminating the clearance, and has simple structure and reliable function;
2. the invention has strong manufacturing manufacturability;
3. the manipulator can easily grab the workpiece;
4. eliminate the clearance of product tolerance, improve the machining precision of product.
The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.
Claims (6)
1. The utility model provides an automatic flexible hold-down mechanism with hole is from line-up function which characterized in that: the oil cylinder type hydraulic oil cylinder comprises a power drawing piece (5), a bridge plate (6), a pull rod (3), a taper seat (7), an oil cylinder seat (1), an end face positioning block (8), a pressing plate (4) and more than one pressing claw (9), wherein the power drawing piece (5) is installed at one end of the bridge plate (6), the pull rod (3) penetrates through the bridge plate (6) to be connected with the power drawing piece (5), and drawing action is carried out through the power drawing piece (5);
the taper seat (7) is sleeved outside the pull rod (3), one end of the taper seat (7) is tightly attached to the end face of the bridge plate (6), a piston expanding clamp (2) is installed outside the taper seat (7), an oil cylinder seat (1) is installed outside the piston expanding clamp (2), an end face positioning block (8) is installed at the outer side end of the oil cylinder seat (1), the oil cylinder seat (1) and the end face of the taper seat (7) are tightly pressed with the end face of the bridge plate (6) through the end face positioning block (8), more than one pressing claw (9) is elastically and rotatably installed on the taper seat (7), a pressing plate (4) is installed on the pull rod (3) and located on the outer side face of the more than one pressing claw (9), a movable pressing sleeve (10) penetrates through the middle of the pressing plate (4), the movable pressing sleeve is fixed on the pull rod, and the movable pressing sleeve is in floating connection with.
2. The automatic telescoping compaction mechanism with internal bore self-centering function according to claim 1, wherein: the head of the pull rod (3) is provided with a threaded section, the threaded section is sleeved with a nut (11), after the pressing plate is installed, the outer end of the threaded section is locked through the nut (11), a step surface is formed between the threaded section and the pull rod (3), and the pressing plate (4) is pressed and fixed on the step surface of the pull rod (3) through the nut (11).
3. The automatic telescoping compaction mechanism with internal bore self-centering function according to claim 1, wherein: the pressing claws (9) are rotatably arranged on the taper seat (7) through a rotating pin, and torsion springs are fixedly arranged on the rotating pin.
4. The automatic telescoping compaction mechanism with internal bore self-centering function according to claim 1, wherein: the hook surface of more than one pressure claw (9) faces one side of the taper seat (7), and the other surface of the pressure claw (9) is contacted with the end surface of the pressure plate (4).
5. The automatic telescoping compaction mechanism with internal bore self-centering function according to claim 1, wherein: the power drawing piece (5) adopts an oil cylinder.
6. The automatic telescoping compaction mechanism with internal bore self-centering function according to claim 1, wherein: the outer wall surface of the taper seat (7) is a conical surface.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010610396.7A CN111618634A (en) | 2020-06-30 | 2020-06-30 | Automatic telescopic pressing mechanism with inner hole self-centering function |
| PCT/CN2021/079875 WO2022001162A1 (en) | 2020-06-30 | 2021-03-10 | Automatic telescopic pressing mechanism having inner hole self-centering function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010610396.7A CN111618634A (en) | 2020-06-30 | 2020-06-30 | Automatic telescopic pressing mechanism with inner hole self-centering function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111618634A true CN111618634A (en) | 2020-09-04 |
Family
ID=72268758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010610396.7A Pending CN111618634A (en) | 2020-06-30 | 2020-06-30 | Automatic telescopic pressing mechanism with inner hole self-centering function |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN111618634A (en) |
| WO (1) | WO2022001162A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112139841A (en) * | 2020-09-27 | 2020-12-29 | 桂林福达齿轮有限公司 | Bevel gear differential shell hole machining device and using method |
| CN112372088A (en) * | 2020-11-30 | 2021-02-19 | 重庆机床(集团)有限责任公司 | High-precision hobbing clamp |
| CN113579809A (en) * | 2021-08-02 | 2021-11-02 | 天润工业技术股份有限公司 | Large-scale engine bearing cap processing frock |
| WO2022001162A1 (en) * | 2020-06-30 | 2022-01-06 | 浙江佛尔泰智能设备有限公司 | Automatic telescopic pressing mechanism having inner hole self-centering function |
| CN113909967A (en) * | 2021-10-08 | 2022-01-11 | 江苏星晨高速电机有限公司 | Collet type clamping device |
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| CN108132016B (en) * | 2018-01-09 | 2024-03-29 | 无锡富瑞德测控仪器股份有限公司 | Be applied to image measurement's barb hold-down mechanism |
| CN114515941B (en) * | 2022-03-21 | 2024-03-29 | 惠州市腾达科技有限公司 | Tool for electric wrench hardware fitting and hardware fitting preparation method |
| CN114932279B (en) * | 2022-06-07 | 2023-11-21 | 无锡知然和精密机械有限公司 | Indexing electromagnetic tool with equal dividing function and machining method for oil holes of shaft parts |
| CN115194515A (en) * | 2022-08-11 | 2022-10-18 | 湖北三环锻造有限公司 | Positioning fixture for steering tie rod arm |
| CN115319501B (en) * | 2022-08-26 | 2023-12-19 | 浙江展帆实业有限公司 | Tool clamp for clamping water inlet pipe and water outlet pipe |
| CN117340530B (en) * | 2023-12-06 | 2024-02-09 | 成都晨发泰达航空科技股份有限公司 | Self-centering welding tool for bevel gear and repairing method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202011110848U1 (en) * | 2011-04-13 | 2016-11-03 | Armin Hofmann | Clamping device for clamping workpieces |
| CN109623425A (en) * | 2019-02-02 | 2019-04-16 | 无锡贝斯特精机股份有限公司 | The adaptive hold-down mechanism of lever three-jaw |
| CN109877621A (en) * | 2019-03-18 | 2019-06-14 | 西安法士特汽车传动有限公司 | A kind of simple quick change hydraulically operated fixture of plate gear milling |
| CN111300314B (en) * | 2020-04-16 | 2021-06-04 | 无锡贝斯特精机股份有限公司 | Scissor type self-adaptive pressing mechanism |
| CN111618634A (en) * | 2020-06-30 | 2020-09-04 | 浙江佛尔泰智能设备有限公司 | Automatic telescopic pressing mechanism with inner hole self-centering function |
-
2020
- 2020-06-30 CN CN202010610396.7A patent/CN111618634A/en active Pending
-
2021
- 2021-03-10 WO PCT/CN2021/079875 patent/WO2022001162A1/en active Application Filing
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022001162A1 (en) * | 2020-06-30 | 2022-01-06 | 浙江佛尔泰智能设备有限公司 | Automatic telescopic pressing mechanism having inner hole self-centering function |
| CN112139841A (en) * | 2020-09-27 | 2020-12-29 | 桂林福达齿轮有限公司 | Bevel gear differential shell hole machining device and using method |
| CN112372088A (en) * | 2020-11-30 | 2021-02-19 | 重庆机床(集团)有限责任公司 | High-precision hobbing clamp |
| CN112372088B (en) * | 2020-11-30 | 2022-03-11 | 重庆机床(集团)有限责任公司 | High-precision hobbing clamp |
| CN113579809A (en) * | 2021-08-02 | 2021-11-02 | 天润工业技术股份有限公司 | Large-scale engine bearing cap processing frock |
| CN113909967A (en) * | 2021-10-08 | 2022-01-11 | 江苏星晨高速电机有限公司 | Collet type clamping device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2022001162A1 (en) | 2022-01-06 |
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