CN218488191U - Double-station pressing and positioning device - Google Patents
Double-station pressing and positioning device Download PDFInfo
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- CN218488191U CN218488191U CN202222432578.7U CN202222432578U CN218488191U CN 218488191 U CN218488191 U CN 218488191U CN 202222432578 U CN202222432578 U CN 202222432578U CN 218488191 U CN218488191 U CN 218488191U
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Abstract
The utility model belongs to the technical field of positioning and clamping devices, and particularly discloses a double-station pressing and positioning device, which comprises a gap bridge plate, a first workpiece and a second workpiece, wherein the first workpiece and the second workpiece are arranged on the gap bridge plate; the first workpiece is provided with a pull rod pressing unit, one side of the second workpiece is provided with a lever pressing unit, and the lower ends of the first workpiece and the second workpiece are distributed with positioning and limiting units; the device comprises three parts of devices, and the three parts of devices respectively press a first workpiece through a pull rod pressing unit; the lever pressing unit presses the second workpiece; the positioning limiting unit positions the first workpiece and the second workpiece and plays a role in connecting the pull rod pressing unit with the lever pressing unit; the functions of initial positioning, clamping, pressing, interlocking and the like can be realized; is suitable for aluminum die-casting molding parts, casting molding parts and powder metallurgy parts, is used for realizing the positioning, clamping and fixing of products, the working state is stable, the practicability is good, and compared with the prior art, the device has outstanding substantive characteristics.
Description
Technical Field
The utility model relates to a positioning and clamping device technical field specifically is a duplex position compresses tightly positioner.
Background
Precision products are the important guarantee that drive product transformation is upgraded for processing, and the processing mill needs the customization or makes the equipment that adapts to by the processing product to the structural feature of product, to being processed the requirement of product technical parameter for the generation, wherein airtight detection device is indispensable.
The clamping and positioning device of the existing numerical control machining center can also adopt a double-station pressing and positioning device, but the existing double-station pressing and positioning device is generally provided with two same stations on a working table surface, so that the production of workpieces can be accelerated, and the clamping and positioning device can be applied to the following technical fields: "CN202023131950.8", the patent name is: "a duplex position milling machine positioning and clamping device", this patent discloses: the clamping device comprises an installation base, wherein two clamping stations are sequentially arranged on one vertical side surface of the installation base, each clamping station comprises a jacking column, an adjustable limiting column, a positioning support and a cylinder pressing assembly, the jacking column is installed on one side of a workpiece through the positioning support, the adjustable limiting column is installed on the other side of the workpiece through the positioning support, the positioning support is installed on the vertical surface of the installation base through a bolt, and the cylinder pressing assembly is installed on the vertical surface of the installation base through a bolt assembly; during machining, the front end of the workpiece is placed in the middle of the jacking column and the adjustable limiting column, and the bottom of the workpiece is pressed through the air cylinder pressing assembly.
The double-station pressing and positioning device adopts the installation base for placing a workpiece, and the edge of the workpiece is provided with the limiting column and the positioning support, but the scheme must ensure that the installation base is fixed on a plane and cannot be arranged in a suspended manner, if the installation base is in a suspended state, the lathe can generate vibration during machining, once the workpiece generates displacement deviation during vibration, the positioning supports on two sides have no error correction function, so the double-station pressing and positioning device must ensure the stability of the installation base and is not suitable for the suspended state, and the structure of the existing clamping and positioning device still needs to be further improved and innovated to adapt to the machined products with different shapes and structures.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a duplex position compresses tightly positioner in order to solve the problem in the background art.
In order to achieve the above purpose, the utility model provides a following technical scheme: a double-station pressing and positioning device comprises a gap bridge plate, a first workpiece and a second workpiece, wherein the first workpiece and the second workpiece are arranged on the gap bridge plate; the first workpiece is provided with a pull rod pressing unit, one side of the second workpiece is provided with a lever pressing unit, and the lower ends of the first workpiece and the second workpiece are distributed with positioning and limiting units;
the location spacing unit includes:
the bottom plane of the first workpiece is superposed with the upper plane of the gap bridge plate, and a positioning pin penetrates through the gap bridge plate and is concentric with the two holes in the first workpiece;
the bottom plane of the second workpiece is superposed with the upper plane of the gap bridge plate, and a positioning pin penetrates through the gap bridge plate and is concentric with the two holes in the second workpiece;
the pull rod pressing unit includes:
the lower surface of the upper surface of the first workpiece is superposed with the first pressure plate, and the pull rod penetrates through the first pressure plate abdicating groove, the first workpiece central hole, the bridge plate and the abdicating hole on the first fixing plate to be connected with the first cylinder;
the lever pressing unit includes:
the upper surface of one side of the second workpiece is superposed with the second pressure plate, the second pressure plate is respectively connected with the first connecting piece and the first connecting rod through pins, the first connecting rod is connected with the first bracket through pins, the first connecting piece and the first bracket pass through the avoidance hole on the gap bridge plate and are respectively connected with the second cylinder through screws,
the bottom of the gap bridge plate on the other side of the second workpiece is provided with a second fixing plate, the second fixing plate is provided with two third cylinders side by side, a cylinder rod of each third cylinder is in shaft connection with a second connecting piece, the other end of each second connecting piece is fixedly connected with a third pressing plate through a second support, and the third pressing plates are arranged under the other side of the second workpiece.
Preferably, the first cylinder is fixed on the first fixing plate through an inner hexagonal screw, and the first fixing plate is fixed on the gap bridge plate through an inner hexagonal screw.
Preferably, the first connecting piece is connected to an expansion link of the second cylinder.
Preferably, an insert is installed at the joint of the top end of the second pressure plate and the second workpiece.
Preferably, the third pressing plate is connected with the second support and the second connecting piece through pins respectively, and the second supports are arranged at the bottoms of the bridge plates at the front ends of the two third cylinders side by side.
Preferably, the two second connecting rods are respectively connected with the two second brackets through pins.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model is provided with a double-station compression positioning device; the device comprises three parts of devices, and the three parts of devices respectively press a first workpiece through a pull rod pressing unit; the lever pressing unit presses the second workpiece; the positioning limiting unit positions the first workpiece and the second workpiece and plays a role in connecting the pull rod pressing unit with the lever pressing unit; the functions of initial positioning, clamping, pressing, interlocking and the like can be realized; is suitable for aluminum die-casting molding parts, casting molding parts and powder metallurgy parts, is used for realizing the positioning, clamping and fixing of products, the working state is stable, the practicability is good, and compared with the prior art, the device has outstanding substantive characteristics.
The three basic unit assemblies are simple in combination structure and convenient for installation and operation of operators, when the gap bridge plate is placed in the air, the two stations are pressed and positioned in different modes, and the positioning pins play a comprehensive role in positioning, indexing and torque transmission; the pull rod pressing unit and the lever pressing unit are located on the positioning pin, the air cylinder acts on the pressing plate through the connecting piece, and the amount of movement unbalance in work is reduced through the pressing plate, so that the pressing and locating stability of the gap bridge plate is improved, the machining precision is high, and the machining efficiency is high.
Drawings
FIG. 1 is an exploded view of the structure of the present invention;
FIG. 2 is a schematic top view of the structure of the present invention;
FIG. 3 is a schematic view of the structure of the present invention;
FIG. 4 is a schematic cross-sectional view of the cross-section B-B of FIG. 2 according to the present invention;
FIG. 5 is a schematic cross-sectional view of the cross-section C-C of FIG. 2 according to the present invention;
in the figure: 1. a first workpiece; 2. a second workpiece; 3. a first platen; 4. a pull rod; 5. a second platen; 6. a first connecting member; 7. an insert; 8. a first link; 9. a bridge plate; 10. positioning pins; 11. a first fixing plate; 12. a first cylinder; 13. a first bracket; 14. a second link; 15. a third press plate; 16. a second cylinder; 17. a second bracket; 18. a second connecting member; 19. a second fixing plate; 20. a third cylinder.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Referring to fig. 1-5, the present invention provides a technical solution: a double-station pressing and positioning device comprises a bridge plate 9, a first workpiece 1 and a second workpiece 2, wherein the first workpiece 1 and the second workpiece 2 are arranged on the bridge plate 9; a pull rod pressing unit is arranged on the first workpiece 1, a lever pressing unit is arranged on one side of the second workpiece 2, and positioning and limiting units are distributed at the lower ends of the first workpiece 1 and the second workpiece 2;
the location spacing unit includes:
the bottom plane of the first workpiece 1 is superposed with the upper plane of the bridge plate 9, and the positioning pin 10 penetrates through the bridge plate 9 and is concentric with two holes on the first workpiece 1;
the bottom plane of the second workpiece 2 is superposed with the upper plane of the bridge plate 9, and a positioning pin 10 passes through the bridge plate 9 and is concentric with two holes on the second workpiece 2;
the pull rod pressing unit includes:
the lower surface of the upper surface of the first workpiece 1 is superposed with the first pressing plate 3, and the pull rod 4 penetrates through the abdicating groove of the first pressing plate 3, the central hole of the first workpiece 1, and the abdicating holes on the bridge plate 9 and the first fixing plate 11 to be connected with the first cylinder 12;
the lever pressing unit includes:
the upper surface of one side of the second workpiece 2 is coincided with the second pressing plate 5, the second pressing plate 5 is respectively connected on the first connecting piece 6 and the first connecting rod 8 through pins, the first connecting rod 8 is connected with the first bracket 13 through pins, the first connecting piece 6 and the first bracket 13 pass through the avoiding holes on the bridge plate 9 and are respectively connected with the second cylinder 16 through screws,
a second fixing plate 19 is installed at the bottom of the gap bridge plate 9 on the other side of the second workpiece 2, two third cylinders 20 are installed on the second fixing plate 19 side by side, a cylinder rod of each third cylinder 20 is axially connected with a second connecting piece 18, the other end of each second connecting piece 18 is fixedly connected with a third pressing plate 15 through a second support 17, and the third pressing plate 15 is arranged right below the other side of the second workpiece 2.
The first cylinder 12 is fixed on the first fixing plate 11 through an inner hexagonal screw, and the first fixing plate 11 is fixed on the gap bridge plate 9 through an inner hexagonal screw.
The first connecting piece 6 is connected to the telescopic rod of the second cylinder 16.
An insert 7 is arranged at the joint of the top end of the second pressure plate 5 and the second workpiece 2.
The third pressure plate 15 is respectively connected with the second bracket 17 and the second connecting piece 18 through pins, and the second bracket 17 is arranged at the bottom of the bridge plate 9 at the front end of the two third cylinders 20 side by side.
The two second links 14 are connected to the two second brackets 17 by pins, respectively.
The pull rod pressing unit in the double-station pressing and positioning device presses the first workpiece 1; the lever pressing unit presses the second workpiece 2; the positioning limiting unit is used for positioning the first workpiece 1 and the second workpiece 2 and connecting the pull rod pressing unit and the lever pressing unit. All parts are connected with each other to form the main body part of the whole double-station pressing and positioning device. The power source of the device is compressed air, an air pipe is connected, and the first cylinder 12, the second cylinder 16 and the third cylinder 20 are in a reset state;
the specific implementation mode is as follows:
the first workpiece 1 is placed on the bridge plate 9, the two positioning pins 10 are inserted into the two holes of the first workpiece 1, the first workpiece 1 is placed and positioned, and then the first pressing plate 3 is placed on the first workpiece 1 and clamped at the small diameter position of the lower end of the pull rod 4. The second workpiece 2 is placed on the bridge plate 9. And simultaneously, the positioning pins 10 are inserted into the two holes of the second workpiece 2, so that the second workpiece 2 is placed and positioned.
And opening the air valve switch, and driving the first pressing plate 3 to firmly press the first workpiece 1 by the pull rod 4. At the same time, the first connecting piece 6 and the two second connecting pieces 18 respectively drive the second pressing plate 5 and the two third pressing plates 15 to tightly press the second workpiece 2. And closing the air valve switch, simultaneously resetting the pull rod 4, the second pressing plate 5 and the two third pressing plates 15, taking out the first pressing plate 3, and then sequentially taking out the first workpiece 1 and the second workpiece 2. Thus, a complete operation is completed.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A double-station pressing and positioning device comprises a gap bridge plate (9), and a first workpiece (1) and a second workpiece (2) which are arranged on the gap bridge plate (9); the method is characterized in that: a pull rod pressing unit is arranged on the first workpiece (1), a lever pressing unit is arranged on one side of the second workpiece (2), and positioning and limiting units are distributed at the lower ends of the first workpiece (1) and the second workpiece (2);
the location spacing unit includes:
the bottom plane of the first workpiece (1) is superposed with the upper plane of the gap bridge plate (9), and a positioning pin (10) penetrates through the gap bridge plate (9) and is concentric with two holes in the first workpiece (1);
the bottom plane of the second workpiece (2) is superposed with the upper plane of the bridge plate (9), and a positioning pin (10) penetrates through the bridge plate (9) and two holes on the second workpiece (2) to be concentric;
the pull rod pressing unit includes:
the lower surface of the upper surface of the first workpiece (1) is superposed with the first pressing plate (3), and the pull rod (4) penetrates through the abdicating groove of the first pressing plate (3), the central hole of the first workpiece (1), the bridge plate (9) and the abdicating hole of the first fixing plate (11) to be connected with the first cylinder (12);
the lever pressing unit includes:
the upper surface of one side of the second workpiece (2) coincides with the second pressing plate (5), the second pressing plate (5) is respectively connected onto the first connecting piece (6) and the first connecting rod (8) through pins, the first connecting rod (8) is connected with the first bracket (13) through pins, the first connecting piece (6) and the first bracket (13) penetrate through a avoiding hole on the bridge plate (9) and are respectively connected with the second cylinder (16) through screws,
a second fixing plate (19) is installed at the bottom of the gap bridge plate (9) on the other side of the second workpiece (2), two third cylinders (20) are installed on the second fixing plate (19) side by side, a cylinder rod of each third cylinder (20) is in shaft connection with a second connecting piece (18), the other end of each second connecting piece (18) is fixedly connected with a third pressing plate (15) through a second support (17), and the third pressing plates (15) are arranged under the other side of the second workpiece (2).
2. The double-station pressing and positioning device according to claim 1, characterized in that: the first cylinder (12) is fixed on the first fixing plate (11) through an inner hexagonal screw, and the first fixing plate (11) is fixed on the bridge passing plate (9) through an inner hexagonal screw.
3. The double-station pressing and positioning device according to claim 1, characterized in that: the first connecting piece (6) is connected to the telescopic rod of the second air cylinder (16).
4. The double-station pressing and positioning device according to claim 1, characterized in that: an insert (7) is installed at the joint of the top end of the second pressing plate (5) and the second workpiece (2).
5. The double-station pressing and positioning device according to claim 1, characterized in that: the third pressing plate (15) is connected with the second support (17) and the second connecting piece (18) through pins respectively, and the second support (17) is arranged at the bottom of the bridge plate (9) at the front end of the third air cylinder (20) side by side.
6. The double-station pressing and positioning device according to claim 1, characterized in that: the two second connecting rods (14) are respectively connected with the two second brackets (17) through pins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222432578.7U CN218488191U (en) | 2022-09-14 | 2022-09-14 | Double-station pressing and positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222432578.7U CN218488191U (en) | 2022-09-14 | 2022-09-14 | Double-station pressing and positioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218488191U true CN218488191U (en) | 2023-02-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222432578.7U Active CN218488191U (en) | 2022-09-14 | 2022-09-14 | Double-station pressing and positioning device |
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| Country | Link |
|---|---|
| CN (1) | CN218488191U (en) |
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- 2022-09-14 CN CN202222432578.7U patent/CN218488191U/en active Active
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