CN218487749U

CN218487749U - Upper and lower common compressing side-pushing auxiliary positioning device

Info

Publication number: CN218487749U
Application number: CN202222021314.2U
Authority: CN
Inventors: 缪习川
Original assignee: Zhejiang Haitao Precision Machinery Co ltd
Current assignee: Zhejiang Haitao Precision Machinery Co ltd
Priority date: 2022-08-02
Filing date: 2022-08-02
Publication date: 2023-02-17
Anticipated expiration: 2032-08-02

Abstract

The utility model relates to the technical field of fixture tools, in particular to an upper and lower common compression side-push auxiliary positioning device, which mainly comprises an upper and lower cylinder tightening device, a cylinder auxiliary positioning device and a positioning and limiting device, and can realize the functions of initial positioning, clamping, compression, interlocking and the like of irregular workpieces through the three parts, prevent the loosening condition after clamping special irregular-shaped products and prevent the deformation condition of the products in the processing process; the device appearance design is exquisite, is applicable to aluminium die-casting shaping part, casting moulding part and powder metallurgy part, and operating condition is stable, has fine practicality.

Description

Upper and lower common compressing side-pushing auxiliary positioning device

Technical Field

The utility model relates to an anchor clamps frock technical field specifically is an upper and lower common side pushes away auxiliary positioning device that compresses tightly.

Background

The processing is taken place for the accurate product and is the important guarantee that the transformation of drive product is upgraded, and the processing mill needs the customization or makes the equipment that adapts to by the processing product to the structural feature of being processed the product technical parameter requirement for being processed, wherein compresses tightly the side jointly from top to bottom and pushes away auxiliary positioning device indispensable.

The clamping and positioning device of the existing numerical control machining center generally adopts a one-way clamping mechanical structure, the clamping structure mode cannot adapt to machining of parts with irregular structures, and loosening and deformation are easy to occur after clamping of products with special irregular shapes, so that the structure of the existing clamping and positioning device 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 an upper and lower common side that compresses tightly pushes away auxiliary positioning device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an upper and lower common pressing and side pushing auxiliary positioning device comprises an upper and lower cylinder pressing device, a cylinder auxiliary positioning device and a positioning limiting device;

the upper and lower air cylinder pressing devices are arranged at the upper part, the rear side, the left side and the right side of the workpiece, play a role in double pressing on the workpiece and mainly comprise a first pressing plate, a first insert, a first ejector rod, a first connecting rod, a first support, a first air cylinder, a second pressing plate, a second connecting rod, a second ejector rod, a second insert, a second support and a second air cylinder;

the tail part of the first pressing plate is connected with the upper end of the first ejector rod through a pin, the bottom surface of the first insert is in contact with the upper surface of the workpiece, and the upper surface of the first insert is connected with the bottom of the front end of the first pressing plate through a screw, so that the pressing and holding effect on the upper part of the workpiece is formed;

the first air cylinder is arranged on the rear side of the workpiece and is fixed on the upper surface of the bridge plate through a screw; the first ejector rod is fixed on the telescopic end of the first air cylinder through a screw, so that the first ejector rod moves up and down along with the telescopic rod of the first air cylinder;

the second cylinder is fixed at the bottom of the front side of the bridge plate, the bottom end of the second ejector rod is fixed on the telescopic end of the second cylinder through a screw, so that the second ejector rod moves up and down along with the telescopic of the telescopic rod of the second cylinder, the upper part of the second ejector rod is connected with the tail part of the second pressure plate through a pin, and the middle part of the second pressure plate is connected with the head part of the second connecting rod through a pin; the second insert is arranged at the bottom of the front end of the second pressure plate, and the bottom of the second insert is connected with the upper surface of the step at the lower end of the workpiece, so that the steps at the left side and the right side of the bottom of the workpiece are pressed and held;

the positioning and limiting device is arranged at the lower end of the workpiece and used for positioning the workpiece, connecting a machine tool and installing and fixing the upper and lower air cylinder pressing devices and the air cylinder auxiliary positioning device; the positioning and limiting device comprises a positioning piece and a gap bridge plate, the bottom of the front end of the workpiece is fixed on the positioning piece, and the positioning piece is arranged on the gap bridge plate, so that the plane positioning and the position positioning of the workpiece are formed;

the cylinder auxiliary positioning device is arranged on the rear side of the workpiece, has a pressing effect on the workpiece and mainly comprises a connecting block, a third insert, a cylinder support and a third cylinder; the connecting block is fixed on the telescopic end of the third cylinder, the third insert is installed at the front end of the connecting block, and the front end face of the third insert is in contact with the tail surface of the workpiece, so that the purpose of side-pushing auxiliary positioning of the workpiece is achieved.

Preferably, the bottom plane of the workpiece is connected with the upper plane of the positioning piece, the upper surface of the positioning piece is provided with a projection matched with the bottom groove of the workpiece, and the positioning piece is fixed on the bridge plate through a screw.

Preferably, the second cylinders are provided with two groups, and the two groups of second cylinders are respectively fixed at the bottoms of the gap bridge plates positioned at the left side and the right side of the workpiece through screws.

Preferably, the bottom of the second support is fixed on the upper part of the second cylinder through a screw, and the top end of the second support penetrates through the bridge plate and then is connected with the second connecting rod through a pin.

Preferably, the first support is fixed at the front end of the upper part of the first cylinder, the upper end of the first support is connected with the lower end of the first connecting rod through a pin, and the upper part of the first connecting rod is connected with the middle part of the first pressing plate through a pin.

Preferably, a connecting groove used for being connected with the first connecting rod and the first ejector rod is formed in the rear of the middle of the first pressing plate, and the upper end portions of the first connecting rod and the first ejector rod are rotatably installed in the connecting groove through pins.

Preferably, the cylinder support is vertically fixed on a bridge plate at the rear side of the workpiece, and the third cylinder is installed at the front side of the corresponding cylinder support.

Preferably, the cylinder support and the third cylinders are provided with two groups, and the two groups of third cylinders are symmetrically arranged at the rear side of the workpiece.

Preferably, the left side and the right side of the connecting block are respectively fixed on the telescopic ends of the two groups of third cylinders, so that the connecting block can move back and forth along with the movement of the telescopic rods of the third cylinders.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model provides a pair of compress tightly jointly from top to bottom and side pushes away auxiliary positioning device, its structure mainly comprises last lower cylinder tight device, cylinder auxiliary positioning device, location stop device triplex, can realize through above-mentioned triplex to the initial positioning of irregular work piece, press from both sides tightly, compress tightly and functions such as interlocking, prevent the not hard up condition from appearing after pressing from both sides tight the back to special irregular appearance product, prevent that the product from appearing the condition of warping in the course of working.

2. The utility model provides a pair of compress tightly side jointly from top to bottom and push away auxiliary positioning device, the device appearance design is exquisite, is applicable to aluminium die-casting shaping part, casting shaping part and powder metallurgy part, and operating condition is stable, has fine practicality.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a rear view of the present invention;

FIG. 3 is a schematic diagram of a specific structure of a workpiece according to the present invention;

fig. 4 is an exploded view of the overall structure of the present invention.

In the figure: 1. a first presser plate; 2. a first insert; 3. a first ejector rod; 4. a first link; 5. a first bracket; 6. a first cylinder; 7. connecting blocks; 8. a third insert; 9. a cylinder support; 10. a third cylinder; 11. a second platen; 12. a second link; 13. a second ejector rod; 14. a second insert; 15. a workpiece; 16. a positioning member; 17. a bridge plate; 18. a second bracket; 19. a second 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 those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element 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, for example, be 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 meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

Referring to fig. 1-4, the present invention provides a technical solution: an upper and lower common pressing side-pushing auxiliary positioning device comprises an upper and lower cylinder pressing device, wherein the upper and lower cylinder pressing device is arranged at the upper part, the rear side, the left side and the right side of a workpiece 15, plays a role of double pressing on the workpiece 15, and mainly comprises a first pressing plate 1, a first insert 2, a first ejector rod 3, a first connecting rod 4, a first support 5, a first cylinder 6, a second pressing plate 11, a second connecting rod 12, a second ejector rod 13, a second insert 14, a second support 18 and a second cylinder 19;

the tail part of the first pressing plate 1 is connected with the upper end of the first ejector rod 3 through a pin, the bottom surface of the first insert 2 is in contact with the upper surface of the workpiece 15, and the upper surface of the first insert 2 is connected with the bottom of the front end of the first pressing plate 1 through a screw so as to form a pressing effect on the upper part of the workpiece 15;

preferably, a connecting groove used for being connected with the first connecting rod 4 and the first ejector rod 3 is formed in the middle of the first pressing plate 1, and the upper end portions of the first connecting rod 4 and the first ejector rod 3 are rotatably installed in the connecting groove through pins.

The first cylinder 6 is installed on the rear side of the workpiece 15 and fixed to the upper surface of the bridge plate 17 by screws; the first ejector rod 3 is fixed on the telescopic end of the first air cylinder 6 through a screw, so that the first ejector rod 3 moves up and down along with the telescopic rod of the first air cylinder 6;

preferably, the first bracket 5 is fixed at the front end of the upper part of the first cylinder 6, the upper end of the first bracket 5 is connected with the lower end of the first connecting rod 4 through a pin, and the upper part of the first connecting rod 4 is connected with the middle part of the first pressing plate 1 through a pin.

The second cylinder 19 is fixed at the bottom of the front side of the bridge plate 17, the bottom end of the second ejector rod 13 is fixed at the telescopic end of the second cylinder 19 through a screw, so that the second ejector rod 13 moves up and down along with the telescopic rod of the second cylinder 19, the upper part of the second ejector rod 13 is connected with the tail part of the second pressure plate 11 through a pin, and the middle part of the second pressure plate 11 is connected with the head part of the second connecting rod 12 through a pin; the second insert 14 is arranged at the bottom of the front end of the second pressing plate 11, and the bottom of the second insert 14 is connected with the upper surface of the step at the lower end of the workpiece 15, so that the pressing and holding effects on the steps at the left side and the right side of the bottom of the workpiece 15 are achieved;

preferably, two sets of second cylinders 19 are provided, and the two sets of second cylinders 19 are respectively fixed at the bottoms of the bridge plates 17 positioned at the left and right sides of the workpiece 15 by screws.

Preferably, the bottom of the second bracket 18 is fixed on the upper part of the second cylinder 19 by screws, and the top of the second bracket 18 passes through the bridge plate 17 and then is connected with the second connecting rod 12 by pins.

The auxiliary positioning device for upper and lower common pressing and side pushing further comprises a positioning limiting device, wherein the positioning limiting device is arranged at the lower end of a workpiece 15 and used for positioning the workpiece 15, connecting a machine tool and fixing an upper cylinder pressing device and a lower cylinder pressing device and an auxiliary cylinder positioning device; the positioning and limiting device comprises a positioning piece 16 and a gap bridge plate 17, the bottom of the front end of the workpiece 15 is fixed on the positioning piece 16, and the positioning piece 16 is arranged on the gap bridge plate 17, so that plane positioning and position positioning of the workpiece 15 are formed;

preferably, the bottom plane of the workpiece 15 is connected with the upper plane of the positioning member 16, the upper surface of the positioning member 16 is provided with a projection matched with the bottom groove of the workpiece 15, and the positioning member 16 is fixed on the bridge plate 17 through a screw.

An auxiliary positioning device for upper and lower common pressing and side pushing comprises an air cylinder auxiliary positioning device, wherein the air cylinder auxiliary positioning device is arranged on the rear side of a workpiece 15, has a pressing effect on the workpiece 15 and mainly comprises a connecting block 7, a third insert 8, an air cylinder support 9 and a third air cylinder 10; the connecting block 7 is fixed on the telescopic end of the third cylinder 10, the third insert 8 is installed at the front end of the connecting block 7, and the front end face of the third insert 8 is in contact with the tail surface of the workpiece 15, so that the purpose of auxiliary positioning of side pushing of the workpiece 15 is achieved.

Preferably, the left side and the right side of the connecting block 7 are respectively fixed on the telescopic ends of the two groups of third cylinders 10, so that the connecting block can move back and forth along with the movement of the telescopic rods of the third cylinders 10.

Preferably, the cylinder support 9 is vertically fixed on a bridge plate 17 at the rear side of the workpiece 15, and the third cylinder 10 is installed at the front side of the corresponding cylinder support 9.

Preferably, the cylinder support 9 and the third cylinder 10 are provided with two sets, and the two sets of the third cylinders 10 are symmetrically arranged at the rear side of the workpiece 15.

The working principle is as follows: when the air pipe is used, the air pipe is connected with the corresponding air cylinder, at the moment, the first air cylinder 6, the third air cylinder 10 and the second air cylinder 19 are in a reset state, the first pressure plate 1 and the first pressure plate 1 are in an open state, and the third insert 8 is in a return state.

The workpiece 15 is placed on the positioning member 16 such that the bottom plane of the workpiece 15 coincides with the upper plane of the positioning member 16, and the two protrusions of the upper surface of the positioning member 16 coincide with the two recesses of the bottom of the workpiece 15.

And opening a corresponding air valve switch to enable the first air cylinder 6 to move upwards, and meanwhile, pushing the ejector rod 3 to move upwards to enable the front end of the pressing plate 1 to sink, so that the bottom surface of the first insert 2 installed at the front end of the first pressing plate 1 presses the upper surface of the workpiece 15.

Similarly, the second cylinders 16 distributed on the left and right sides of the front end of the workpiece 15 respectively push the second push rods 13 connected with the respective telescopic ends to rise in height, so that the rear end of the first pressing plate 1 rises in height under the action of the second push rods 13, and the bottom of the second insert 14 installed at the front end of the first pressing plate 1 presses the upper parts of the left and right steps at the lower end of the workpiece 15.

Meanwhile, the telescopic ends of the two groups of third cylinders 10 positioned at the rear side of the workpiece 15 push the connecting block 7 forwards, so that the front end of the third insert 8 at the front end of the connecting block 7 props against the tail part of the workpiece 15, and the functions of jointly compressing the workpiece 15 up and down and assisting in positioning by side pushing are realized.

And after the workpiece is machined, closing the air valve switch, enabling the first pressing plate 1, the connecting block 7 and the first pressing plate 1 to return to the original positions, and taking out the workpiece 15, so as to finish one complete operation.

It is worth noting that: the whole device realizes control to the device through the controller, and the controller is common equipment and belongs to the prior mature technology, so that the electrical connection relation and the specific circuit structure are not described again.

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

1. The utility model provides an upper and lower common compresses tightly side and pushes away auxiliary positioning device which characterized in that: the device comprises an upper cylinder pressing device, a lower cylinder pressing device, a cylinder auxiliary positioning device and a positioning limiting device;

the upper and lower cylinder pressing devices are arranged on the upper part, the rear side, the left side and the right side of a workpiece (15), and mainly comprise a first pressing plate (1), a first insert (2), a first ejector rod (3), a first connecting rod (4), a first support (5), a first cylinder (6), a second pressing plate (11), a second connecting rod (12), a second ejector rod (13), a second insert (14), a second support (18) and a second cylinder (19);

the tail part of the first pressing plate (1) is connected with the upper end of the first ejector rod (3) through a pin, the bottom surface of the first insert (2) is in contact with the upper surface of the workpiece (15), and the upper surface of the first insert (2) is connected with the bottom of the front end of the first pressing plate (1) through a screw;

the first air cylinder (6) is arranged on the rear side of the workpiece (15) and is fixed on the upper surface of the bridge plate (17) through screws; the first ejector rod (3) is fixed on the telescopic end of the upper part of the first cylinder (6) through a screw;

the second cylinder (19) is fixed at the bottom of the front side of the bridge plate (17), the bottom end of the second ejector rod (13) is fixed at the telescopic end of the upper part of the second cylinder (19) through a screw, the upper part of the second ejector rod (13) is connected with the tail part of the second pressing plate (11) through a pin, and the middle part of the second pressing plate (11) is connected with the head part of the second connecting rod (12) through a pin; the second insert (14) is arranged at the bottom of the front end of the second pressing plate (11), and the bottom of the second insert (14) is connected with the upper surface of a step at the lower end of the workpiece (15);

the positioning and limiting device is arranged at the lower end of the workpiece (15) and comprises a positioning piece (16) and a gap bridge plate (17), the bottom of the front end of the workpiece (15) is fixed on the positioning piece (16), and the positioning piece (16) is arranged on the gap bridge plate (17);

the cylinder auxiliary positioning device is arranged on the rear side of a workpiece (15), and mainly comprises a connecting block (7), a third insert (8), a cylinder support (9) and a third cylinder (10); the connecting block (7) is fixed on the telescopic end of the third cylinder (10), the third insert (8) is installed at the front end of the connecting block (7), and the front end face of the third insert (8) is in contact with the surface of the tail of the workpiece (15).

2. The upper and lower co-pressing side-pushing auxiliary positioning device as claimed in claim 1, wherein: the bottom plane of the workpiece (15) is connected with the upper plane of the positioning piece (16), the upper surface of the positioning piece (16) is provided with a convex block matched with the bottom groove of the workpiece (15) for use, and the positioning piece (16) is fixed on the bridge plate (17) through a screw.

3. The upper and lower co-pressing side-pushing auxiliary positioning device as claimed in claim 1, wherein: the two groups of second cylinders (19) are respectively fixed at the bottoms of the bridge plates (17) positioned at the left side and the right side of the workpiece (15) through screws.

4. The upper and lower co-pressing side-pushing auxiliary positioning device as claimed in claim 1, wherein: the bottom of the second support (18) is fixed on the upper part of the second cylinder (19) through screws, and the top end of the second support (18) penetrates through the bridge plate (17) and then is connected with the second connecting rod (12) through a pin.

5. The upper and lower co-pressing side-pushing auxiliary positioning device as claimed in claim 1, wherein: the upper portion front end at first cylinder (6) is fixed in first support (5), and the upper end of first support (5) passes through the pin with the lower extreme of first connecting rod (4) to be connected, and the upper portion of first connecting rod (4) passes through the pin to be connected with the middle part of first clamp plate (1).

6. The upper and lower co-pressing side-pushing auxiliary positioning device as claimed in claim 1, wherein: a connecting groove used for being connected with a first connecting rod (4) and a first ejector rod (3) is formed in the rear of the middle of the first pressing plate (1), and the upper end portions of the first connecting rod (4) and the first ejector rod (3) are rotatably installed in the connecting groove through pins.

7. The upper and lower co-pressing side-pushing auxiliary positioning device as claimed in claim 1, wherein: the cylinder support (9) is vertically fixed on a bridge plate (17) at the rear side of the workpiece (15), and the third cylinder (10) is installed at the front side of the corresponding cylinder support (9).

8. The upper and lower co-pressing side-pushing auxiliary positioning device as claimed in claim 1, wherein: the air cylinder support (9) and the third air cylinders (10) are provided with two groups, and the two groups of third air cylinders (10) are symmetrically arranged on the rear side of the workpiece (15).

9. The upper and lower co-pressing side-pushing auxiliary positioning device as claimed in claim 1, wherein: the left side and the right side of the connecting block (7) are respectively fixed on the telescopic ends of the front parts of the two groups of third cylinders (10).