CN111922755A - Lower driving type positioning mechanism - Google Patents
Lower driving type positioning mechanism Download PDFInfo
- Publication number
- CN111922755A CN111922755A CN202010795819.7A CN202010795819A CN111922755A CN 111922755 A CN111922755 A CN 111922755A CN 202010795819 A CN202010795819 A CN 202010795819A CN 111922755 A CN111922755 A CN 111922755A
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- CN
- China
- Prior art keywords
- positioning
- positioning seat
- plate
- pushing unit
- operating condition
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- 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.)
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Classifications
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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
-
- 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
- B23Q2703/00—Work clamping
- B23Q2703/02—Work clamping means
- B23Q2703/04—Work clamping means using fluid means or a vacuum
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Assembly (AREA)
Abstract
The application provides a lower drive formula positioning mechanism, including loading board (1), positioning seat (2), drive arrangement (3) and top pushing unit, positioning seat (2) are fixed the central point of loading board (1) top surface puts, center on the top surface of loading board (1) positioning seat (2) equipartition has a plurality ofly top pushing unit, top pushing unit has two operating condition, when being in first operating condition, top pushing unit and the side butt of positioning seat (2), when being in second operating condition, top pushing unit with positioning seat (2) separation, install drive arrangement (3) the bottom of loading board (1), drive arrangement (3) are used for the drive top pushing unit is followed first operating condition to the second operating condition switches. The clamping device has the advantages of simple structure, good positioning and clamping effects and small occupied space.
Description
Technical Field
The application relates to the technical field of clamps, in particular to a lower driving type positioning mechanism.
Background
Among the prior art, positioning mechanism's structure is various, to the positioning mechanism that all sides of product all carried out the location, adopts side drive structure at present more, and side drive structure need set up drive arrangement at each side of positioning mechanism, adopts cylinder, pneumatic cylinder or electric telescopic handle usually, and this kind of structure is though can fix a position, press from both sides tight to the product effectively, but the structure is complicated, and is required highly to control accuracy, and area is very big moreover, and maintenance, maintenance and manufacturing cost are all very high. Is not suitable for equipment with narrow space, and the application range is greatly limited.
Disclosure of Invention
The application provides a lower drive formula positioning mechanism, it has simple structure, and location, centre gripping are effectual, advantage that occupation space is little.
The application provides a lower drive formula positioning mechanism, including the loading board, still include positioning seat, drive arrangement and top pushing unit, the positioning seat is fixed the central point of loading board top surface puts, center on the top surface of loading board the positioning seat equipartition has a plurality ofly top pushing unit, top pushing unit has two operating condition, when being in first operating condition, top pushing unit with the side butt of positioning seat, when being in second operating condition, top pushing unit with the positioning seat separation, drive arrangement installs the bottom of loading board, drive arrangement is used for the drive top pushing unit is followed first operating condition to the second operating condition switches.
In the lower driving type positioning mechanism, preferably, the bearing plate and the positioning seat are regular polygon plate structures, the number of the edges of the bearing plate is the same as that of the positioning seat, and the number of the pushing units is the same as that of the positioning seat, that is, each edge of the positioning seat is correspondingly provided with one pushing unit.
In the lower driving type positioning mechanism, preferably, the bearing plate and the positioning seat are both of a regular quadrilateral plate structure, and the number of the pushing units is four.
In the lower driving type positioning mechanism, preferably, the pushing unit includes a mounting plate, two positioning stoppers, two positioning columns, a connecting plate, a pushing pin and a return spring, the mounting plate is parallel to the side of the positioning seat, the two positioning columns are connected to the mounting plate in an inserting manner, the two positioning stoppers are located on the same side as the positioning seat, the positioning stoppers are fixedly connected to one ends of the positioning columns, the other ends of the positioning columns are fixedly connected to the upper end of the connecting plate, the lower end of the connecting plate vertically extends downward to a position below the bottom surface of the bearing plate and is fixedly connected to one end of the pushing pin, and the other end of the pushing pin extends toward the central axis of the bearing plate; each positioning column is sleeved with one return spring, and two ends of each return spring are respectively abutted to the mounting plate and the positioning stop block.
In the lower driving type positioning mechanism, preferably, the mounting plate is provided with two through holes along the horizontal direction, a linear bearing is fixedly mounted in each through hole, and the positioning column is connected with the linear bearing in an inserting manner.
In the lower driving type positioning mechanism, preferably, a groove is formed on each side wall of the bearing plate, the groove is used for avoiding the connecting plate, and the depth of the groove is greater than the thickness of the connecting plate.
In the lower driving type positioning mechanism, preferably, the length of the push pin is less than one half of the side length of the bearing plate, and one end of the push pin, which is close to the driving device, is of a hemispherical structure.
Among the aforementioned lower drive type positioning mechanism, preferably, drive arrangement is the cylinder, still includes cylinder mounting panel and support column, the cylinder is fixed on the cylinder mounting panel, the telescopic link of cylinder run through in the cylinder mounting panel, the axial of telescopic link with the longitudinal axis collineation of loading board, four angles of cylinder mounting panel are provided with one respectively the support column, the top of support column with the bottom surface fixed connection of loading board.
In the lower driving type positioning mechanism, preferably, the top end of the telescopic rod has a hemispherical structure.
The technical scheme provided by the application can achieve the following beneficial effects:
this application includes the loading board, the positioning seat, drive arrangement and top push unit, the central point that the positioning seat was fixed at the loading board top surface puts, it has a plurality of top push units to center on the top surface of loading board around the positioning seat equipartition, the top push unit has two operating condition, when being in first operating condition, the side butt of top push unit and positioning seat, thereby will place the product at the positioning seat top surface and fix a position, when being in the second operating condition, top push unit and positioning seat separation, top push unit and product separation, the product can carry out next production process this moment, drive arrangement installs the bottom at the loading board, drive arrangement is used for driving top push unit and switches to the second operating condition from first operating condition. Through setting up drive arrangement in the bottom of loading board, greatly saved area, make this application can be applicable to narrow and small installation space, improve its application scope. And this application only needs to set up one set of drive arrangement and can drive each top and push the unit, has simplified overall structure promptly, has reduced manufacturing cost again.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
FIG. 1 is an isometric view of the overall structure of the present application;
FIG. 2 is an isometric view of another angle of the overall structure of the present application;
FIG. 3 is an isometric view of the positioning socket of the present application;
fig. 4 is an exploded view of the pushing unit of the present application.
Reference numerals:
1-bearing plate, 2-positioning seat, 3-driving device, 4-mounting plate, 5-positioning stop block, 6-positioning column, 7-connecting plate, 8-pushing pin, 9-reset spring, 10-through hole, 11-linear bearing, 12-groove, 13-cylinder mounting plate, 14-supporting column, 15-first step hole, 16-second step hole, 17-third step hole, 18-fourth step hole and 19-fifth step hole.
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
In the description of the present application, unless explicitly stated or limited otherwise, the terms "first", "second", and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless specified or indicated otherwise; the terms "connected," "fixed," and the like are to be construed broadly and may, for example, be fixedly connected, detachably connected, integrally connected, or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present application, it should be understood that the terms "upper" and "lower" used in the description of the embodiments of the present application are used in a descriptive sense only and not for purposes of limitation. In addition, in this context, it will also be understood that when an element is referred to as being "on" or "under" another element, it can be directly on "or" under "the other element or be indirectly on" or "under" the other element via an intermediate element.
As shown in fig. 1-4, an embodiment of the present application provides a lower driving type positioning mechanism, which includes a bearing plate 1, a positioning seat 2, a driving device 3 and a pushing unit, four first step holes 15 are formed on the positioning seat 2, the positioning seat 2 is detachably fixed at a central position of a top surface of the bearing plate 1 by four countersunk head bolts, a plurality of pushing units are uniformly distributed on the top surface of the bearing plate 1 around the positioning seat 2, the pushing unit has two working states, when the pushing unit is in a first working state, the pushing unit abuts against a side surface of the positioning seat 2, when the pushing unit is in a second working state, the pushing unit is separated from the positioning seat 2, the driving device 3 is installed at the bottom of the bearing plate 1, and the driving device 3 is used for driving the pushing unit to switch from the first working state.
It should be noted that, the shape and size of the positioning seat 2 is the same as that of the product to be positioned, the positioning seat 2 is detachably mounted, so that the positioning seat with a corresponding shape can be conveniently replaced according to the shape of the product to be positioned, and the pushing unit is used for aligning each edge of the product to be positioned with the edge of the positioning seat 2, so that accurate positioning is realized, and the next process is facilitated. The driving device 3 is arranged at the bottom of the bearing plate 1, so that on one hand, the transverse floor area is saved, on the other hand, the driving mode is changed, and the structure is simplified. The structure that can realize that a plurality of pushing units are controlled to work simultaneously through one driving device is various, and the structure that can satisfy the switching of the driving pushing unit from the first working state to the second working state can be applied to the application.
In a preferred embodiment, the products to be positioned are both regular polygon structures, so the loading plate 1 and the positioning seat 2 are both regular polygon plate structures, the number of sides of the loading plate 1 and the number of sides of the positioning seat 2 are the same, and the number of the pushing units is the same as the number of sides of the positioning seat 2, i.e. each side of the positioning seat 2 is provided with one pushing unit correspondingly. Of course, those skilled in the art will understand that the present application is also applicable to irregular products, and that three pushing units are only required to be arranged for irregular products, and the three pushing units are arranged in a triangle.
For ease of understanding, the present application is further described below in terms of a specific embodiment.
In this embodiment, the bearing plate 1 and the positioning seat 2 are both of a regular quadrilateral plate structure, and the number of the pushing units is four, and the pushing units are respectively arranged opposite to four edges of the positioning seat 2.
The four pushing units have the same structure, for convenience of explanation, the structure of one of the pushing units is explained below, specifically, each pushing unit comprises a mounting plate 4, a positioning stop block 5, a positioning column 6, a connecting plate 7, a pushing pin 8 and a return spring 9, second step holes 16 are formed in two ends of the mounting plate 4 along the vertical direction, the mounting plate 4 is detachably fixed on the top surface of the bearing plate 1 through bolts, the mounting plate 4 needs to be parallel to the side edge of the positioning seat 2, two through holes 10 are further formed in the mounting plate 4 along the horizontal direction, a linear bearing 11 is fixedly installed in each through hole 10, the two positioning columns 6 are respectively in plug-in connection with the two linear bearings 11, and through the arrangement of the linear bearings 11, the friction force of the positioning column 6 can be reduced, so that the positioning column. It should be noted that the number of the positioning pillars 6 can be increased as needed, and the number of the through holes 10 and the linear bearings 11 should also be increased as the number of the positioning pillars 6 is increased.
The locating stop 5 and the locating seat 2 are located at the same side, the locating stop 5 preferably adopts a cuboid structure, the top surface of the locating stop 5 is higher than the top surface of the locating seat 2, both ends of the locating column 6 are provided with internal thread holes, two third step holes 17 are formed in the locating stop 5, two fourth step holes 18 are formed in the upper portion of the connecting plate 7, the locating stop 5 is in threaded connection with one end of the locating column 6 through a bolt installed in a third adjusting hole 17, the upper portion of the connecting plate 7 is in threaded connection with the other end of the locating column 6 through a bolt arranged in the two fourth step holes 18, the lower end of the connecting plate 7 is provided with a fifth step hole 19, the fifth step hole 19 is used for installing a push pin 8 through a bolt, the lower end of the connecting plate 7 vertically extends downwards to the lower side of the bottom surface of the bearing plate 1, namely, the. One end of the push pin 8 is fixed in the fifth step hole 19, and the other end extends towards the longitudinal central axis direction of the bearing plate 1; all cup jointed a reset spring 9 on every reference column 6, reset spring 9's both ends respectively with mounting panel 4 and location dog 5 butt.
When the pushing device works, under the action of the reset spring 9, the positioning stop block 5 on each pushing unit is abutted against the side face of the positioning seat 2, namely the pushing units are in a first working state at the moment, under the driving of the driving device 3, thrust force is exerted on the push pins 8 on each pushing unit to move in the direction away from the longitudinal central axis of the bearing plate 1, the push pins 8 push the connecting plate 7 at the moment, the connecting plate 7 pulls the positioning stop blocks 5 through the positioning columns 6, the positioning stop blocks 5 are separated from the side face of the positioning seat 2, the reset spring 9 is compressed at the same time, the pushing units are in a second working state at the moment, a product to be positioned is placed on the positioning seat 2, then the driving device 3 is controlled to remove the thrust force, the pushing units are restored to the first working state under the action of the reset spring 9, the product is positioned on the positioning seat 2, and finishing the positioning of the product.
It is further preferred that each side wall of the carrier plate 1 is formed with a groove 12, the groove 12 is used to avoid the connecting plate 7, and the depth of the groove 12 is greater than the thickness of the connecting plate 7. By means of the arrangement of the recess 12, the connection plate 7 is displaced in the recess 12 so that it does not exceed the outer edge of the carrier plate 1, whereby a further space saving is achieved.
The during operation, the telescopic link extension of cylinder, and gradually with each promote 8's tip butt, because promote 8's tip and cylinder telescopic link's tip all adopts hemispherical structure, the telescopic link has effectively been prevented and the 8 circumstances of bending-pushing will be promoted and has taken place, along with the extension of telescopic link, promote 8 pushed away by the outside, 8 stop moving are promoted in the contact of the tip of promoting 8 and the lateral wall of telescopic link until, the top pushes away the unit and is in second operating condition this moment, after placing the product, the telescopic link shrink of control cylinder, after the telescopic link is complete with promote 8 separation, promote 8 stop moving, the top pushes away the unit and is in second operating condition this moment. Through the hemispherical structural design of the end part, the push pin 8 can move slowly, but not move suddenly and greatly, so that the product can be effectively protected, and the product is prevented from being crushed or being ejected out of the positioning seat 2.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (9)
1. The utility model provides a lower drive formula positioning mechanism, includes loading board (1), its characterized in that still includes positioning seat (2), drive arrangement (3) and top pushing unit, positioning seat (2) are fixed the central point of loading board (1) top surface puts, it has a plurality ofly to surround on the top surface of loading board (1) positioning seat (2) equipartition top pushing unit, top pushing unit has two operating condition, when being in first operating condition, top pushing unit with the side butt of positioning seat (2), when being in the second operating condition, top pushing unit with positioning seat (2) separation, drive arrangement (3) are installed the bottom of loading board (1), drive arrangement (3) are used for driving top pushing unit follows first operating condition to second operating condition switches.
2. A lower driving type positioning mechanism according to claim 1, wherein the loading plate (1) and the positioning seat (2) are regular polygon plate-shaped structures, the number of sides of the loading plate (1) and the positioning seat (2) is the same, and the number of the pushing units is the same as the number of sides of the positioning seat (2), that is, one pushing unit is correspondingly arranged on each side of the positioning seat (2).
3. A lower driven positioning mechanism according to claim 2, wherein the bearing plate (1) and the positioning seat (2) are both of a regular quadrilateral plate structure, and the number of the pushing units is four.
4. The lower driving type positioning mechanism according to claim 3, wherein the pushing unit comprises a mounting plate (4), a positioning stop (5), positioning posts (6), a connecting plate (7), a push pin (8) and a return spring (9), the mounting plate (4) is arranged in parallel with the side of the positioning seat (2), at least two positioning posts (6) are provided, the positioning posts (6) are connected with the mounting plate (4) in an inserting manner, the positioning stop (5) and the positioning seat (2) are positioned at the same side, the positioning stop (5) is fixedly connected with one end of the positioning posts (6), the other end of the positioning posts (6) is fixedly connected with the upper end of the connecting plate (7), the lower end of the connecting plate (7) vertically extends downwards to below the bottom surface of the bearing plate (1) and is fixedly connected with one end of the push pin (8), the other end of the push pin (8) extends towards the central axis direction of the bearing plate (1); every all cup joint one on reference column (6) reset spring (9), the both ends of reset spring (9) respectively with mounting panel (4) with location dog (5) butt.
5. A lower driving type positioning mechanism as claimed in claim 4, wherein the mounting plate (4) is provided with two through holes (10) along the horizontal direction, each through hole (10) is internally and fixedly provided with a linear bearing (11), and the positioning column (6) is connected with the linear bearing (11) in an inserting manner.
6. A lower driven positioning mechanism according to claim 4, characterized in that a groove (12) is formed on each side wall of the carrier plate (1), said groove (12) being used to avoid the connecting plate (7), the depth of the groove (12) being greater than the thickness of the connecting plate (7).
7. A lower driven positioning mechanism according to claim 4, characterized in that the length of the push pin (8) is less than half of the side length of the carrier plate (1), and the end of the push pin (8) close to the driving means (3) is of a hemispherical structure.
8. A lower driving type positioning mechanism according to any one of claims 1 to 7, wherein the driving device (3) is a cylinder, and further comprises a cylinder mounting plate (13) and a supporting column (14), the cylinder is fixed on the cylinder mounting plate (13), a telescopic rod of the cylinder penetrates through the cylinder mounting plate (13), an axial direction of the telescopic rod is collinear with a longitudinal central axis of the bearing plate (1), the supporting column (14) is respectively arranged at each of four corners of the cylinder mounting plate (13), and a top end of the supporting column (14) is fixedly connected with a bottom surface of the bearing plate (1).
9. The lower driven positioning mechanism of claim 7, wherein the top end of the telescoping rod is hemispherical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010795819.7A CN111922755A (en) | 2020-08-10 | 2020-08-10 | Lower driving type positioning mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010795819.7A CN111922755A (en) | 2020-08-10 | 2020-08-10 | Lower driving type positioning mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111922755A true CN111922755A (en) | 2020-11-13 |
Family
ID=73307666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010795819.7A Pending CN111922755A (en) | 2020-08-10 | 2020-08-10 | Lower driving type positioning mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111922755A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113894724A (en) * | 2021-11-16 | 2022-01-07 | 博众精工科技股份有限公司 | Positioning structure of notebook shell cover |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3543353A1 (en) * | 1985-12-07 | 1987-06-11 | Forkardt Paul Gmbh | Clamping device |
| CN203109836U (en) * | 2013-02-18 | 2013-08-07 | 杭州宁普精密机械有限公司 | Self-centering structure capable of automatically retracting |
| CN207326796U (en) * | 2017-08-14 | 2018-05-08 | 杭州安费诺飞凤通信部品有限公司 | A kind of automatic centering clamp system |
| CN209648142U (en) * | 2019-01-11 | 2019-11-19 | 河南威猛振动设备股份有限公司 | A kind of square tube beam Self-centering device |
-
2020
- 2020-08-10 CN CN202010795819.7A patent/CN111922755A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3543353A1 (en) * | 1985-12-07 | 1987-06-11 | Forkardt Paul Gmbh | Clamping device |
| CN203109836U (en) * | 2013-02-18 | 2013-08-07 | 杭州宁普精密机械有限公司 | Self-centering structure capable of automatically retracting |
| CN207326796U (en) * | 2017-08-14 | 2018-05-08 | 杭州安费诺飞凤通信部品有限公司 | A kind of automatic centering clamp system |
| CN209648142U (en) * | 2019-01-11 | 2019-11-19 | 河南威猛振动设备股份有限公司 | A kind of square tube beam Self-centering device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113894724A (en) * | 2021-11-16 | 2022-01-07 | 博众精工科技股份有限公司 | Positioning structure of notebook shell cover |
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Application publication date: 20201113 |