CN217096751U

CN217096751U - Adjustable vacuum clamp

Info

Publication number: CN217096751U
Application number: CN202221063605.1U
Authority: CN
Inventors: 徐国栋; 陈哲; 安家菊; 刘国亮
Original assignee: Nanchang Institute of Technology
Current assignee: Nanchang Institute of Technology
Priority date: 2022-05-06
Filing date: 2022-05-06
Publication date: 2022-08-02
Anticipated expiration: 2032-05-06

Abstract

The utility model discloses an adjustable vacuum clamp, which belongs to the technical field of clamp equipment, and is arranged on a bearing plate of a support column top plate, wherein the center of the bearing plate is provided with a cavity, the center of the cavity is provided with an electromagnet seat, a running cavity is formed between the peripheral outer side wall of the electromagnet seat and the inner wall of the cavity, a support component is connected in the running cavity, the electromagnet seat is provided with an installation cavity, the top of the installation cavity is provided with an opening, the inner bottom is provided with a plurality of running grooves, a plurality of movable seats are distributed in the running grooves, the tops of the movable seats are connected with suckers, the bottoms of the suckers are provided with air suction ports, the center of the bottom of the installation cavity is provided with an accommodating cavity, the bottom of the accommodating cavity is provided with an interface, the other end penetrates through the accommodating cavity and the bearing plate to be connected with a quick connector, the air suction ports are connected with the interface through air pipes, the side wall of the bearing plate is provided with an electromagnetic switch, and the problem that the existing vacuum clamp can only clamp to clamp a plane workpiece, the clamping device has the problem that the clamping device cannot clamp thin-walled and special-shaped workpieces.

Description

Adjustable vacuum clamp

Technical Field

The utility model belongs to the technical field of anchor clamps equipment, concretely relates to vacuum clamp with adjustable.

Background

With the continuous development and progress of science and technology, non-metal materials such as ceramics, glass, silicon and the like are widely applied in the field of modern high-tech industry and are required to be thinner and thinner. The traditional workpiece is clamped by adopting mechanical clamping or magnetic attraction, although the mechanical clamping is adopted to clamp fragile, thin and nonmagnetic workpieces, the operation is difficult, a control part is complex, the stress is uneven during machining, the deformation is easy to generate, the workpieces are scrapped, the magnetic clamping is inconvenient to control a magnetic circuit, and the nonmagnetic workpieces cannot be clamped.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a vacuum clamp with adjustable has and to carry out the quick clamp tightly to the thin wall of different specifications and for the work piece of dysmorphism, and can guarantee that anchor clamps can evenly distributed on the work piece to the clamping-force of work piece, can not produce because of adding man-hour atress inhomogeneous, produce and warp to cause the condemned characteristics of work piece.

In order to achieve the above object, the utility model provides a following technical scheme: an adjustable vacuum clamp comprises two support columns arranged in parallel, a bearing plate arranged on the top plate of the support columns, wherein a cavity is arranged in the center of the bearing plate, an electromagnet seat is arranged in the center of the cavity, a running cavity is formed between the outer side wall of the periphery of the electromagnet seat and the inner wall of the cavity, a support assembly is movably connected in the running cavity and used for supporting a workpiece, an installation cavity is formed in the electromagnet seat, the top of the installation cavity is open, a plurality of running grooves are formed in the inner bottom of the installation cavity, a plurality of movable seats are distributed in the running grooves, the tops of the movable seats are rotatably connected with suckers, air suction ports are formed in the bottoms of the suckers, an accommodating cavity is formed in the center of the bottom of the installation cavity, an interface is formed in the bottom of the accommodating cavity, one end of the interface is flush with the bottom of the accommodating cavity, the other end of the interface penetrates through the accommodating cavity and the bearing plate to be connected with a quick connector, the air suction ports are connected with the interfaces through air pipes, an electromagnetic switch is arranged on the side wall of the bearing plate and used for opening or closing the electromagnet seat, the supporting component and the movable seat are limited under the working state of the electromagnet seat.

Preferably, the supporting assembly comprises a plurality of supporting blocks which are mutually inserted, a slide bar is arranged on one side of each supporting block close to the inner wall of the cavity, a groove matched with the slide bar is formed in the inner wall of the cavity, one side, far away from the slide bar, of each supporting block is attached to the side wall of the electromagnet seat, a socket part is arranged on one side, adjacent to the slide bar, of each supporting block, an inserting part matched with the socket part is arranged on one side, far away from the socket part, of each supporting block, and an elastic layer is arranged at the top of each supporting block.

Preferably, the movable seat comprises a base sliding in the running groove, the top of the base is connected with a pillar, and the top of the pillar is connected with a sucker through a movable joint.

Preferably, the top edge of the sucking disc is provided with a sealing ring.

Preferably, the plurality of running grooves are distributed at the bottom in the mounting cavity in a grid shape and are communicated with each other.

Preferably, the electromagnet seat comprises an electromagnet, the electromagnet output end is provided with an iron frame, the iron frame comprises a bottom plate and a side plate connected with the peripheral side wall of the bottom plate, the bottom of the movable seat is attached to the top of the bottom plate, one side of the supporting block is attached to the side plate, and the supporting block and the movable seat are made of ferrite.

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

1. the adjustable vacuum clamp described in the utility model, through placing the workpiece on the supporting component, the multiple supporting blocks move to the appropriate position in the groove of the inner wall of the cavity according to the shape of the bottom of the workpiece respectively until the elastic layer at the top of all the supporting blocks is attached to the bottom of the workpiece, and simultaneously, the sucker at the top of the supporting blocks is enabled to avoid the special-shaped part of the workpiece by adjusting the position of the movable seat in the operation groove, and then the workpiece is attached to the sucker by the weight of the workpiece itself, thereby ensuring that the movable seat can not interfere with the placement of the workpiece, meanwhile, the movable seat is connected with the sucker by the movable joint, and the angle of the sucker can be ensured to be adjusted, so that the sucker is completely attached to the workpiece, thereby ensuring better sealing effect, then, by opening the electromagnetic switch, the electromagnet seat starts to work, the supporting blocks and the movable seat are magnetically adsorbed and limited, and then are connected with the quick joint by the external vacuum pump, then make the air between sucking disc and the work piece to be evacuated from both sides to find time, produce the pressure difference for the work piece is fixed on the loading board, has guaranteed to carry out the quick clamp tightly to the thin wall of different specifications and for the work piece of dysmorphism, and can guarantee that anchor clamps can evenly distributed on the work piece to the clamping-force of work piece, can not produce because of the atress is inhomogeneous when adding man-hour, produces the deformation, thereby causes the condemned problem of work piece.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1;

fig. 3 is a top view of the structure of the present invention;

FIG. 4 is a front view of the structure of the present invention;

FIG. 5 is a perspective assembled view of the components of the support assembly;

FIG. 6 is an exploded view of the components of the movable seat and the suction cup;

in the figure: 1. a support pillar; 2. a carrier plate; 3. a support assembly; 4. an electromagnetic switch; 5. a movable seat; 6. a suction cup; 7. an electromagnet base; 8. a running groove; 9. an accommodating chamber; 10. an interface; 11. a quick coupling; 12. a slide bar; 13. a support block; 14. a socket part; 15. an elastic layer; 16. a plug-in part.

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.

Referring to fig. 1-6, the present invention provides the following technical solutions: an adjustable vacuum clamp comprises two parallel supporting columns 1, a bearing plate 2 arranged on the top plate of the supporting columns 1, a cavity arranged in the center of the bearing plate 2, an electromagnet seat 7 arranged in the center of the cavity, a running cavity formed between the outer side wall of the periphery of the electromagnet seat 7 and the inner wall of the cavity, a supporting component 3 movably connected in the running cavity and used for supporting a workpiece, a mounting cavity arranged on the electromagnet seat 7 and having an opening at the top, a plurality of running grooves 8 arranged at the inner bottom, a plurality of movable seats 5 distributed in the running grooves 8, a sucking disc 6 rotatably connected at the top of the movable seats 5, an air suction port arranged at the bottom of the sucking disc 6, a containing cavity 9 arranged in the center of the bottom of the mounting cavity, an interface 10 arranged at the bottom of the containing cavity 9, one end of the interface 10 being flush with the bottom of the containing cavity 9, the other end penetrating through the containing cavity 9 and the bearing plate 2 and being connected with a quick connector 11, the air suction port being connected with the interface 10 through an air pipe, the lateral wall of the bearing plate 2 is provided with an electromagnetic switch 4 for opening or closing an electromagnet seat 7, and the supporting component 3 and the movable seat 5 are limited under the working state of the electromagnet seat 7.

Specifically, the supporting component 3 comprises a plurality of supporting blocks 13 which are mutually inserted, one side of each supporting block 13, which is close to the inner wall of the cavity, is provided with a slide bar 12, the inner wall of the cavity is provided with a groove matched with the slide bar 12, one side, which is far away from the slide bar 12, of each supporting block 13 is attached to the side wall of the electromagnet seat 7, one side, which is adjacent to the slide bar 12, of each supporting block 13 is provided with a socket part 14, one side, which is far away from the socket part 14, of each supporting block 13 is provided with an inserting part 16 matched with the socket part 14, the top of each supporting block 13 is provided with an elastic layer 15, the grooves in the inner wall of the cavity are moved to a proper position through the plurality of supporting blocks 13 respectively according to the shape of the bottom of a workpiece, until the elastic layers 15 on the top of all the supporting blocks 13 are attached to the bottom of the workpiece, and preliminary supporting of thin walls with different specifications and special-shaped workpieces can be guaranteed.

Specifically, sliding seat 5 includes, gliding base in operation groove 8, the base top is connected with a pillar, the pillar top is connected with sucking disc 6 through freely movable joint, guaranteed to slide in operation groove 8 by sliding seat 5, sucking disc 6 also can be through freely movable joint angle regulation simultaneously, with this better laminating mutually with the work piece, freely movable joint can constitute for the ferrite in addition, make and begin work when the electromagnetism iron stand, carry out magnetic force with supporting shoe and sliding seat and when spacing, freely movable joint can be spacing simultaneously at the sliding seat top, make 6 orientations of sucking disc fixed, make things convenient for follow-up work piece to continue to place, need not additionally to adjust.

Specifically, the top edge of the sucker 6 is provided with the sealing ring, so that the vacuum generated during the operation of the sucker 6 is ensured, and the possibility of pressure relief due to air leakage is avoided.

Specifically, many operation grooves 8 are latticed distribution in the installation cavity bottom, and it link up each other, have guaranteed that sliding seat 5 can be better in operation groove 8 slides to this better adjustment position guarantees further support and laminating to the work piece.

Specifically, electromagnetism iron stand 7 includes an electro-magnet, the electro-magnet output is equipped with an iron stand, the iron stand includes a bottom plate and the curb plate of being connected with bottom plate lateral wall all around, 5 bottoms of sliding seat and bottom plate tops paste mutually, supporting shoe 13 one side pastes and leans on the curb plate, supporting shoe 13 and sliding seat 5 are the ferrite and constitute, when electromagnetic switch 4 opened the electro-magnet, the magnetic force that the electro-magnet produced conducts to supporting shoe 13 and sliding seat 5 through the iron stand for can be spacing supporting shoe 13 and sliding seat 5 are fast.

By adopting the technical scheme, the adjustable vacuum clamp described in the utility model, through placing the workpiece on the supporting component 3, the plurality of supporting blocks 13 move to proper positions in the grooves of the inner wall of the cavity according to the shape of the bottom of the workpiece respectively until the elastic layer 15 at the top of all the supporting blocks 13 is attached to the bottom of the workpiece, meanwhile, the sucker 6 at the top of the movable seat 5 is enabled to avoid the special-shaped part of the workpiece by adjusting the position of the movable seat 5 in the running groove 8, then the workpiece is attached to the sucker 6 by the weight of the workpiece itself, the movable seat 5 is ensured not to interfere with the placement of the workpiece, meanwhile, the angle of the sucker 6 can be ensured to be adjusted by connecting the movable seat 5 and the sucker 6 through the movable joint, the sucker 6 is enabled to be completely attached to the workpiece, the better sealing effect is ensured, then the electromagnet seat 7 starts to work by opening the electromagnetic switch 4, carry out magnetic force with supporting shoe 13 and sliding seat 5 and adsorb and spacing, then be connected with quick-operation joint 11 through external vacuum pump, then make the air between sucking disc 6 and the work piece be managed to find time, produce pressure difference, make the work piece fix on loading board 2, guaranteed to carry out the quick clamp tightly to the thin wall of different specifications and for special-shaped work piece, and can guarantee that anchor clamps can evenly distributed on the work piece to the clamping force of work piece, can not produce because of adding the atress inhomogeneous in man-hour, produce and warp, thereby cause the condemned problem of work piece

The utility model discloses a theory of operation and use flow: the adjustable vacuum clamp described in the utility model connects the support column 1 and the workbench of the processing center through the bolt component, then the thin-wall special-shaped workpiece to be processed is placed on the support component 3, the plurality of support blocks 13 move to proper positions in the groove of the inner wall of the cavity according to the shape of the bottom of the workpiece respectively until the elastic layer 15 at the top of all the support blocks 13 is jointed with the bottom of the workpiece, wherein the position of the movable seat 5 in the operation groove 8 is adjusted according to the shape of the bottom of the workpiece, so that the sucker 6 at the top of the movable seat is kept away from the special-shaped part of the workpiece, then the sucker 6 is pressed down continuously through the weight of the workpiece, so that the sucker 6 is jointed with the sucker 6, then the sucker 6 further supports the workpiece, wherein the movable seat 5 is connected with the sucker 6 through the movable joint, so that the sucker 6 can be jointed with the workpiece according to the shape of the bottom of the workpiece, the angle is adjusted, so that the sucker 6 is completely jointed with the workpiece, after the workpiece is placed and finished, the electromagnetic switch 4 is turned on, so that the electromagnet seat 7 starts to work, the supporting block 13, the movable seat 5 and the movable joint are subjected to magnetic adsorption and are limited, then an external vacuum pump is turned on, air between the sucker 6 and the workpiece enters an air pipe through an air suction port in the sucker 6 and then passes through the interface 10 and the quick connector 11, and is pumped away by the external vacuum pump to generate pressure difference, so that the workpiece is fixed on the bearing plate 2, the thin-wall workpieces with different specifications and special shapes can be rapidly clamped, then the workpiece is processed, after the processing is finished, the external vacuum pump is turned off, then the processed workpiece is taken away, the workpiece is placed again according to the original position, and then the processing is continued until the whole processing is finished.

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 a vacuum jig with adjustable, includes two parallel arrangement's support column (1), its characterized in that: the bearing plate (2) is arranged on the top plate of the supporting column (1), a cavity is arranged in the center of the bearing plate (2), an electromagnet seat (7) is arranged in the center of the cavity, an operation cavity is formed between the peripheral outer side wall of the electromagnet seat (7) and the inner wall of the cavity, a supporting component (3) is movably connected in the operation cavity and used for supporting a workpiece, an installation cavity is formed in the electromagnet seat (7), the top of the installation cavity is open, a plurality of operation grooves (8) are formed in the inner bottom of the installation cavity, a plurality of movable seats (5) are distributed in the operation grooves (8), a sucker (6) is rotatably connected to the top of each movable seat (5), an air suction port is formed in the bottom of the sucker (6), an accommodating cavity (9) is formed in the center of the bottom of the installation cavity, an interface (10) is formed in the bottom of the accommodating cavity (9), one end of the interface (10) is flush with the bottom of the accommodating cavity (9), the other end runs through hold chamber (9) with loading board (2) are connected with quick-operation joint (11), the induction port pass through the trachea with interface (10) are connected, loading board (2) lateral wall is equipped with electromagnetic switch (4), is used for opening or closing electromagnet seat (7), electromagnet seat (7) operating condition down will supporting component (3) with movable seat (5) are spacing.

2. An adjustable vacuum chuck as set forth in claim 1, wherein: the supporting component (3) comprises a plurality of supporting blocks (13) which are mutually inserted, one side, close to the inner wall of the cavity, of each supporting block (13) is provided with a slide bar (12), a groove matched with the slide bar (12) is formed in the inner wall of the cavity, one side, far away from the slide bar (12), of each supporting block (13) is attached to the side wall of the electromagnet seat (7), one side, adjacent to the slide bar (12), of each supporting block (13) is provided with a socket part (14), one side, far away from the socket part (14), of each supporting block (13) is provided with a socket part (16) matched with the socket part (14), and the top of each supporting block (13) is provided with an elastic layer (15).

3. An adjustable vacuum chuck as set forth in claim 1, wherein: the movable seat (5) comprises a base sliding in the running groove (8), the top of the base is connected with a pillar, and the top of the pillar is connected with a sucker (6) through a movable joint.

4. An adjustable vacuum chuck as set forth in claim 1, wherein: and a sealing ring is arranged at the edge of the top of the sucking disc (6).

5. An adjustable vacuum chuck as set forth in claim 1, wherein: the plurality of running grooves (8) are distributed at the bottom in the mounting cavity in a grid shape and are communicated with each other.

6. An adjustable vacuum chuck as set forth in claim 2, wherein: the electromagnet seat (7) comprises an electromagnet, an iron frame is arranged at the output end of the electromagnet, the iron frame comprises a bottom plate and side plates connected with the peripheral side walls of the bottom plate, the bottom of the movable seat (5) is attached to the top of the bottom plate, one side of the supporting block (13) is attached to the side plates, and the supporting block (13) and the movable seat (5) are made of ferrite.