CN113732774B - Quick clamping location frock - Google Patents
Quick clamping location frock Download PDFInfo
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- CN113732774B CN113732774B CN202111075098.3A CN202111075098A CN113732774B CN 113732774 B CN113732774 B CN 113732774B CN 202111075098 A CN202111075098 A CN 202111075098A CN 113732774 B CN113732774 B CN 113732774B
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- Prior art keywords
- hydraulic chuck
- base
- main shaft
- workpiece
- 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
- B23Q3/12—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for securing to a spindle in general
Abstract
The invention provides a quick clamping and positioning tool which comprises a hydraulic chuck, a base for mounting a workpiece, a pressing mechanism for pressing the workpiece on the base at the periphery of the workpiece and an axial elastic clamping mechanism for clamping the workpiece on the base at a central shaft of the workpiece, wherein the base is arranged on the hydraulic chuck, the base and the hydraulic chuck are coaxially arranged, the pressing mechanism and the hydraulic chuck form a moving pair, the relative moving direction of the pressing mechanism and the hydraulic chuck is vertical to a main shaft of the hydraulic chuck, an inner supporting seat groove is arranged on the base, an inner supporting seat for clamping the workpiece on the base at the central shaft of the workpiece is arranged on the inner supporting seat groove, and the axial elastic clamping mechanism is arranged on the main shaft of the hydraulic chuck and penetrates through the base to be connected with the inner supporting seat. The beneficial effects of the invention are: the quick clamping and positioning can be realized, the time and the labor are saved, and the production efficiency is improved.
Description
Technical Field
The invention relates to a tool clamp, in particular to a rapid clamping and positioning tool.
Background
At present, in the field of machining of mechanical products, under the condition that a part machined by a vertical lathe meets the rotation condition, the part machined by the vertical lathe has the characteristics of complex size, heavy weight and difficulty in clamping, products are usually clamped and positioned manually when the product machined by the traditional vertical lathe is machined, and the characteristics of the product machined by the vertical lathe cause the defects of difficulty in clamping and positioning, time and labor waste and low production efficiency during machining of the vertical lathe.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a rapid clamping and positioning tool.
The invention provides a quick clamping and positioning tool which comprises a hydraulic chuck, a base for mounting a workpiece, a pressing mechanism for pressing the workpiece on the base at the periphery of the workpiece and an axial elastic clamping mechanism for clamping the workpiece on the base at a central shaft of the workpiece, wherein the base is arranged on the hydraulic chuck, the base and the hydraulic chuck are coaxially arranged, the pressing mechanism and the hydraulic chuck form a moving pair, the relative moving direction of the pressing mechanism and the hydraulic chuck is vertical to a main shaft of the hydraulic chuck, an inner supporting seat groove is arranged on the base, an inner supporting seat for clamping the workpiece on the base at the central shaft of the workpiece is arranged on the inner supporting seat groove, and the axial elastic clamping mechanism is arranged on the main shaft of the hydraulic chuck and penetrates through the base to be connected with the inner supporting seat.
As a further improvement of the present invention, the axial elastic clamping mechanism includes a hydraulic chuck main shaft steering flange, a main shaft connecting rod and a tension rod, the hydraulic chuck main shaft steering flange is mounted on the main shaft of the hydraulic chuck, the hydraulic chuck main shaft steering flange is connected with the main shaft connecting rod, the main shaft connecting rod is connected with the tension rod through an elastic tensioning mechanism, and the tension rod passes through the base and is connected with the inner support seat.
As a further improvement of the invention, the base, the hydraulic chuck spindle steering flange, the spindle connecting rod, the tension rod and the inner support seat are coaxially arranged.
As a further improvement of the present invention, the pressing mechanism includes a gripper pressing plate, a connecting shaft seat and a hydraulic chuck sliding seat, the hydraulic chuck sliding seat is disposed on the hydraulic chuck and is in sliding fit with the hydraulic chuck, the gripper pressing plate is divided into a top end, a middle portion and a bottom end from top to bottom, the top end of the gripper pressing plate is a portion for pressing a workpiece, the middle portion of the gripper pressing plate is hinged to the base, the bottom end of the gripper pressing plate is hinged to the connecting shaft seat, and the connecting shaft seat is fixed in the hydraulic chuck sliding seat.
As a further improvement of the invention, the hydraulic chuck spindle steering flange moves up and down along the spindle of the hydraulic chuck to drive the hydraulic chuck sliding seat to move left and right along the radial direction of the hydraulic chuck, so as to drive the gripper pressing plate to turn over and open or turn over and tighten, and further loosen or clamp a workpiece.
As a further improvement of the invention, a first inclined plane is arranged on the hydraulic chuck sliding seat, a second inclined plane is arranged on the hydraulic chuck spindle steering flange, and the first inclined plane is attached to the second inclined plane.
As a further improvement of the invention, the top end of the paw pressure plate is in a hook shape, and the sliding direction of the hydraulic chuck sliding seat is in the radial direction of the hydraulic chuck.
As a further improvement of the invention, a middle sliding groove with a bent corner is arranged at the middle part of the paw pressure plate, an avoiding groove is arranged on the base, the avoiding groove extends along the radial direction of the base, a first mandrel is arranged in the middle sliding groove, and two ends of the first mandrel are fixed in the avoiding groove.
As a further improvement of the invention, the bottom end of the paw pressure plate is hinged with the connecting shaft seat through a mandrel, and the connecting shaft seat is fixed in the hydraulic chuck sliding seat through a cushion block.
As a further improvement of the present invention, the elastic tensioning mechanism includes a spring, a connecting flange and a bolt, the connecting flange is fixed on the tensioning rod, the bolt passes through the connecting flange and is fixed on the spindle connecting rod, and the spring is clamped between the bolt and the connecting flange.
As a further improvement of the invention, the connecting flange is provided with through holes for the bolts to pass through, and the diameter of the through holes is larger than that of the bolts.
As a further improvement of the invention, the tension rod is in threaded connection with the connecting flange.
As a further improvement of the invention, the spindle connecting rod is in threaded connection with the hydraulic chuck spindle steering flange.
As a further improvement of the invention, the contact surface of the tension rod and the inner support seat is a conical surface.
As a further improvement of the invention, the hydraulic chuck is arranged on a machine tool workbench.
As a further improvement of the invention, a cushion block is arranged between the hydraulic chuck and the base.
As a further improvement of the invention, the three pressing mechanisms are distributed at intervals of 120 degrees in the circumferential direction around the main shaft of the hydraulic chuck.
The invention has the beneficial effects that: through the scheme, quick clamping and positioning can be realized, time and labor are saved, and the production efficiency is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other solutions can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic perspective view of a quick clamping and positioning tool of the invention.
Fig. 2 is a schematic cross-sectional view of a quick clamping and positioning tool of the invention.
Fig. 3 is a schematic perspective cross-sectional view of a quick clamping and positioning tool of the invention.
Detailed Description
It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings, which are based on the orientation or positional relationship shown in the drawings, and are used for convenience in describing the present invention and to simplify the description, but are not intended to indicate or imply that the device or component being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be construed as limiting the scope of the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
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; the two components can be directly connected or indirectly connected through an intermediate medium, and the two components can be communicated with each other. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The invention is further described with reference to the following description and embodiments in conjunction with the accompanying drawings.
As shown in fig. 1 to 3, a quick clamping and positioning tool is used for quick clamping and positioning of a workpiece 3, and mainly comprises a hydraulic chuck 1, a base 2, a gripper pressing plate 4, a shaft seat 5, a connecting shaft seat 6, a cushion block 7, a cushion block 8, a second mandrel 9, a first mandrel 10, a spindle connecting rod 11, a bolt 12, a connecting flange 13, a spring 14, a tightening rod 15, an inner support seat 16, a hydraulic chuck sliding seat 17 and a hydraulic chuck spindle steering flange 18.
The hydraulic chuck 1 is arranged on a machine tool workbench, the main shaft connecting rod 11 is connected with a main shaft steering flange 18 of the hydraulic chuck through threads, two bolts 12 are respectively provided with two springs 14 and then penetrate through the connecting flange 13 to be connected with the main shaft connecting rod 11, one end of a tension rod 15 is connected with the connecting flange 13, and the tension rod 15 is in threaded connection with the connecting flange 13; fixing the three connecting shaft seats 6 and the three cushion blocks 8 in corresponding grooves of a hydraulic chuck sliding seat 17 by using bolts, arranging the three cushion blocks 7 on a hydraulic chuck 1, and arranging a base 2 on the three cushion blocks 7 by penetrating through tensioning rods 15; clamping the other end of the tension rod 15 by using an inner support seat 16, installing the inner support seat 16 in an avoidance groove of the base 2, and installing the workpiece 3 on the base 2 through the inner support seat 16; one ends of the three paw pressing plates 4 are connected with the connecting shaft seats 6 through the second mandrel 9, the six shaft seats 5 are installed in the avoiding grooves of the base 2, and the first mandrel 10 penetrates through the paw pressing plates 4 and is connected with the shaft seats 5.
The hydraulic chuck is characterized in that a first inclined plane is arranged on the hydraulic chuck sliding seat 17, a second inclined plane is arranged on the hydraulic chuck spindle steering flange 18, the first inclined plane is attached to the second inclined plane to form a wedge-shaped structure, when the hydraulic chuck spindle steering flange 18 moves up and down, the hydraulic chuck sliding seat 17 is driven to move left and right, so that the connecting shaft seat 6 is driven to move left and right, the lower end of the gripper pressing plate 4 moves left and right, the gripper pressing plate 4 is driven to rotate, opening or tightening actions are carried out, and automatic clamping and loosening of workpieces are achieved.
The size of the inner hole of the connecting flange 13 is designed to be slightly larger than the size of the outer diameter of the bolt 12, the contact surface of the tension rod 15 and the inner support base 16 is designed to be a conical surface, after the connecting flange 13 moves upwards, the spring 14 is compressed to form elastic force, the elastic force of the spring 14 is utilized to provide clamping force for the inner support base 16, the workpiece 3 is clamped, meanwhile, the automatic alignment positioning function is provided for the workpiece 3, and the installation is convenient.
The quick clamping and positioning tool provided by the invention has the following advantages:
1. the quick clamping and positioning tool structure utilizes the elasticity of the spring to provide a clamping force for the inner support seat, so that labor and time are saved in the workpiece mounting process, and the production efficiency is improved.
2. The quick clamping and positioning tool structure has the characteristics of convenience in clamping and positioning, simple structure, convenience in manufacturing, low cost, safety, reliability and the like.
3. The quick clamping and positioning tool structure utilizes the wedge-shaped structure of the hydraulic chuck to realize the automatic clamping and loosening of the workpiece.
The foregoing is a more detailed description of the invention in connection with specific preferred embodiments and it is not intended that the invention be limited to these specific details. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.
Claims (3)
1. The utility model provides a quick clamping location frock which characterized in that: the clamping device comprises a hydraulic chuck, a base for mounting a workpiece, a pressing mechanism for pressing the workpiece on the base at the periphery of the workpiece, and an axial elastic clamping mechanism for clamping the workpiece on the base at a central shaft of the workpiece, wherein the base is arranged on the hydraulic chuck, the base and the hydraulic chuck are coaxially mounted, the pressing mechanism and the hydraulic chuck form a moving pair, the relative moving direction of the pressing mechanism and the hydraulic chuck is perpendicular to a main shaft of the hydraulic chuck, an inner supporting seat groove is arranged on the base, an inner supporting seat for clamping the workpiece on the base at the central shaft of the workpiece is arranged on the inner supporting seat groove, the axial elastic clamping mechanism is arranged on the main shaft of the hydraulic chuck and penetrates through the base to be connected with the inner supporting seat, and the axial elastic clamping mechanism comprises a main shaft steering flange of the hydraulic chuck, a main shaft connecting rod and a tensioning rod, the hydraulic chuck main shaft steering flange is arranged on a main shaft of the hydraulic chuck, the hydraulic chuck main shaft steering flange is connected with the main shaft connecting rod, the main shaft connecting rod is connected with the tensioning rod through an elastic tensioning mechanism, the tensioning rod penetrates through the base to be connected with the inner supporting seat, the base, the hydraulic chuck main shaft steering flange, the main shaft connecting rod, the tensioning rod and the inner supporting seat are coaxially arranged, the pressing mechanism comprises a paw pressing plate, a connecting shaft seat and a hydraulic chuck sliding seat, the hydraulic chuck sliding seat is arranged on the hydraulic chuck and is in sliding fit with the hydraulic chuck, the paw pressing plate is divided into a top end, a middle part and a bottom end from top to bottom, the top end of the paw pressing plate is a part for pressing a workpiece, the middle part of the paw pressing plate is hinged with the base, and the bottom end of the paw pressing plate is hinged with the connecting shaft seat, the connecting shaft seat is fixed in the hydraulic chuck sliding seat, the hydraulic chuck main shaft steering flange drives the hydraulic chuck sliding seat to move left and right along the radial direction of the hydraulic chuck along the vertical movement of the main shaft of the hydraulic chuck, so as to drive the gripper pressing plate to turn over and open or turn over and tighten up, thereby loosening or clamping a workpiece, a first inclined plane is arranged on the hydraulic chuck sliding seat, a second inclined plane is arranged on the hydraulic chuck main shaft steering flange, the first inclined plane is jointed with the second inclined plane, the top end of the gripper pressing plate is in a hook shape, the sliding direction of the hydraulic chuck sliding seat is in the radial direction of the hydraulic chuck, the bottom end of the gripper pressing plate is hinged with the connecting shaft seat through a mandrel, and the connecting shaft seat is fixed in the hydraulic chuck sliding seat through a cushion block, the middle part of the paw pressure plate is provided with a middle sliding groove with a bent corner, the base is provided with an avoidance groove, the avoidance groove is arranged along the radial extension of the base, a first mandrel is arranged in the middle sliding groove, two ends of the first mandrel are fixed in the avoidance groove, the elastic tensioning mechanism comprises a spring, a connecting flange and a bolt, the connecting flange is fixed on the tensioning rod, the bolt penetrates through the connecting flange and is fixed on the spindle connecting rod, the spring is clamped between the bolt and the connecting flange, the connecting flange is provided with a through hole for the bolt to penetrate through, the diameter of the through hole is larger than that of the bolt, the tensioning rod is in threaded connection with the connecting flange, and the spindle connecting rod is in threaded connection with the hydraulic chuck spindle steering flange.
2. The quick clamping and positioning tool according to claim 1, characterized in that: the contact surface of the tension rod and the inner support seat is a conical surface.
3. The quick clamping and positioning tool according to claim 1, characterized in that: the hydraulic chuck is installed on the machine tool workbench, a cushion block is arranged between the hydraulic chuck and the base, and the pressing mechanism is provided with three parallel winding and distributed at intervals of 120 degrees in the circumferential direction of a main shaft of the hydraulic chuck.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111075098.3A CN113732774B (en) | 2021-09-14 | 2021-09-14 | Quick clamping location frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111075098.3A CN113732774B (en) | 2021-09-14 | 2021-09-14 | Quick clamping location frock |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113732774A CN113732774A (en) | 2021-12-03 |
| CN113732774B true CN113732774B (en) | 2022-12-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111075098.3A Active CN113732774B (en) | 2021-09-14 | 2021-09-14 | Quick clamping location frock |
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| CN (1) | CN113732774B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115583496A (en) * | 2022-10-19 | 2023-01-10 | 张远光 | Automatic feeding device for hydraulic motor spindle production |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4486247B2 (en) * | 2000-11-07 | 2010-06-23 | トヨタ自動車北海道株式会社 | Chatter prevention device for tire wheel holding chuck |
| CN201979326U (en) * | 2011-01-27 | 2011-09-21 | 临汾华翔纬泰精工机械有限公司 | Clamp |
| CN202571356U (en) * | 2012-04-18 | 2012-12-05 | 广州戴卡旭铝铸件有限公司 | Centering clamp fixture for processing wheel hub |
| CN103624286B (en) * | 2013-11-15 | 2015-11-04 | 重庆第二机床厂有限责任公司 | A kind of special-shaped part Hydraulic chuck clamp |
| US10245648B2 (en) * | 2016-04-30 | 2019-04-02 | Citic Dicastal Co., Ltd | Aluminum alloy hub lathe fixture |
| CN207548277U (en) * | 2017-05-11 | 2018-06-29 | 江苏安全技术职业学院 | Process flange small end turning attachment |
| CN208976865U (en) * | 2018-10-30 | 2019-06-14 | 东莞市信迪机械工具有限公司 | It is a kind of for processing the Centering clamp tooling of wheel hub |
| CN110394471B (en) * | 2019-08-16 | 2021-03-30 | 宁波德玛智能机械有限公司 | Reliable hub chuck |
| CN211708134U (en) * | 2019-11-25 | 2020-10-20 | 宁波德玛智能机械有限公司 | Wheel hub finger-shaped chuck and wheel hub machining device |
| CN212598961U (en) * | 2020-07-11 | 2021-02-26 | 烟台润江机床附件有限公司 | Four-jaw floating self-centering chuck |
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2021
- 2021-09-14 CN CN202111075098.3A patent/CN113732774B/en active Active
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| CN113732774A (en) | 2021-12-03 |
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