Anti-deformation vacuum chuck for thin-wall part machining

Abstract

The utility model provides an anti-deformation vacuum chuck for thin-wall part processing, which relates to the technical field of vacuum chucks, and comprises a base, a sealing strip arranged at the top of the base, a chuck main body arranged at the top of the sealing strip, suction holes arranged on the top surface of the chuck main body in an array manner, bumps arranged on the two side surfaces of the base, and fixing frames arranged on the two sides of the chuck main body, four inserting blocks are arranged on the bottom face of the fixing frame, the inserting blocks of the fixing frame are inserted into the inserting grooves of the protruding blocks on the two sides of the base to complete preliminary installation of the suction cup body, at the moment, pin holes in the surfaces of the inserting blocks are aligned with pin holes in the surfaces of the protruding blocks, and after preliminary installation is completed, two fixing pins penetrate through the pin holes in the surfaces of the protruding blocks to fix the suction cup body. After the fixing pin is installed, the fixing pin is rotated, the fixing block at one end of the fixing pin is rotated into the fixing groove in the surface of the base to complete fixing of the fixing pin, the whole installation process is simple and convenient, fixing bolts do not need to be used for installation, and the defect that rapid replacement and installation cannot be achieved is overcome.

Description

TECHNICAL FIELD

[0001] The utility model relates to vacuum chuck technical field especially relates to a thin -walled part processing anti -deformation vacuum chuck. BACKGROUND

[0002] According to the vacuum chuck of thin -walled part processing application in one kind of application in thin -walled part processing, including base and the base plate of installing on the base, the base one side is equipped with air inlet and suction hole, the base plate has a plurality of for air passing through the suction hole, at least three rows of base station are equipped in the base, the base station is long strip, and the first air passage is formed between adjacent base station, the second air passage that the sidewall of base station and the inner wall of base form annular, the first air passage with second air passage is linked, through such mode, at least solve one deficiency in background art, effectively improve work efficiency.

[0003] The above-mentioned technology and existing vacuum chuck usually use bolts to fix and install, so that multiple bolts need to be screwed during installation and disassembly, which is cumbersome and time-consuming, and cannot be quickly replaced and installed. UTILITY MODEL CONTENTS

[0004] The utility model discloses a thin -walled part processing anti -deformation vacuum chuck to solve the shortcoming of the prior art that cannot be quickly replaced and installed.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a thin -walled part processing anti -deformation vacuum chuck, including the base, the top of base is equipped with sealing strip, the top of sealing strip is equipped with vacuum chuck main part, the top surface of vacuum chuck main part is equipped with suction hole, both side surfaces of base are equipped with lug, both sides of vacuum chuck main part are equipped with fixed frame, the bottom surface of fixed frame is equipped with four insert blocks, the surface of two lugs is equipped with four insert slots, the surface of two lugs is equipped with pin hole, and the surface of four insert blocks of two fixed frame bottom surfaces is equipped with pin hole, and the inside of pin hole of two lug surfaces is equipped with fixed pin, the side of base is equipped with air inlet, one side of air inlet is equipped with exhaust port, and one end of two fixed pins is equipped with fixed block, and one side of two lugs is equipped with fixed slot.

[0006] Preferably, two lugs are integrally formed with the base, and four insert slots on the surface of two lugs are arranged at equal intervals.

[0007] Preferably, two fixed frames are arranged on the top of the lugs, and the two fixed frames are bolted to the vacuum chuck main part.

[0008] Preferably, four insertion blocks on the bottom surface of the two fixing frames are equidistantly arranged, and the insertion blocks are integrally formed with the fixing frames, and the positions of the four insertion blocks are one-to-one corresponding to the positions of the surface insertion slots of the protrusions.

[0009] Preferably, the positions of the pin holes on the surface of the four insertion blocks are in parallel state, and the positions of the pin holes on the surface of the insertion blocks are one-to-one corresponding to the positions of the pin holes on the surface of the protrusions.

[0010] Preferably, the two fixing grooves are mirror arranged with the base as the center, and the two fixing grooves are arranged on the two side surfaces of the base.

[0011] Preferably, the two fixing blocks are integrally formed with the two fixing pins, and the two fixing blocks are arranged in the interior of the fixing grooves.

[0012] Beneficial effects

[0013] In the utility model, two fixing frames are installed on the two side surfaces of the suction disc main body through fixing bolts in advance, when installing, the insertion blocks on the bottom surface of the two side fixing frames of the suction disc main body are aligned with the insertion slots, and the suction disc main body is pressed to make the insertion blocks of the fixing frames inserted into the insertion slots of the protrusions on the two sides of the base to complete the preliminary installation of the suction disc main body, at this time, the pin holes on the surface of the insertion blocks are aligned with the pin holes on the surface of the protrusions, when the preliminary installation is completed, the two fixing pins are inserted into the pin holes on the surface of the protrusions to make the fixing pins pass through the pin holes of the insertion blocks and the protrusions, when the fixing pins are installed, the fixing pins are rotated to make the fixing blocks on one end of the fixing pins rotate into the fixing grooves on the surface of the base to complete the fixation of the fixing pins, the whole installation process is simple and convenient, and the fixing bolts are not needed to be installed, and the shortcoming that the installation cannot be quickly replaced is solved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is an isometric view of the utility model;

[0015] Figure 2 It is a left view of the utility model;

[0016] Figure 3 It is a front view of the utility model; Figure 2 It is a sectional view of A of the utility model;

[0017] Figure 4 It is a front view of the utility model;

[0018] Figure 5 It is a sectional view of B-B of the utility model; Figure 4

[0019] Legend:

[0020] ​1, base; 2, sealing strip; 3, suction cup body; 4, suction hole; 5, air inlet; 6, air outlet; 7, fixing frame; 8, plug; 9, protrusion; 10, slot; 11, pin hole; 12, fixing pin; 13, fixing block; 14, fixing groove. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model will be further described below in combination with specific embodiments and drawings, but the following embodiments are only preferred embodiments of the utility model, not all. Based on the embodiments in the embodiments, other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0022] The specific embodiments of the utility model will be described below in combination with the drawings. Embodiment one:

[0024] Referring to Figures 1-5 A thin-walled part machining anti-deformation vacuum chuck, comprising a base 1, the top of the base 1 is provided with a sealing strip 2, the top of the sealing strip 2 is provided with a suction cup body 3, the top surface of the suction cup body 3 is provided with suction holes 4 in array, both sides of the base 1 are provided with protrusions 9, both sides of the suction cup body 3 are provided with fixing frames 7, the bottom surface of the fixing frame 7 is provided with four plug blocks 8, the surface of the two protrusions 9 is provided with four slots 10, the surface of the two protrusions 9 is provided with pin holes 11, and the surface of the four plug blocks 8 of the bottom surface of the two fixing frames 7 is provided with pin holes 11, the inside of the pin holes 11 of the surface of the two protrusions 9 is provided with fixing pins 12, the side of the base 1 is provided with an air inlet 5, one side of the air inlet 5 is provided with an air outlet 6, one end of the two fixing pins 12 is provided with fixing blocks 13, one side of the two protrusions 9 is provided with fixing grooves 14, the two protrusions 9 are integrally formed with the base 1, and the four slots 10 on the surface of the two protrusions 9 are arranged at equal intervals, the two fixing frames 7 are arranged on the top of the protrusions 9, and the two fixing frames 7 are bolted with the suction cup body 3, the four plug blocks 8 on the bottom surface of the two fixing frames 7 are arranged at equal intervals, and the plug blocks 8 are integrally formed with the fixing frames 7, the positions of the four plug blocks 8 are one-to-one corresponding to the positions of the slots 10 on the surface of the protrusions 9, the positions of the pin holes 11 on the surface of the four plug blocks 8 on the bottom surface of the two fixing frames 7 are in parallel, and the positions of the pin holes 11 on the surface of the plug blocks 8 are one-to-one corresponding to the positions of the pin holes 11 on the surface of the protrusions 9, the two fixing grooves 14 are mirror image arranged with the base 1 as the center, and the two fixing grooves 14 are arranged on both sides of the surface of the base 1, the two fixing blocks 13 are integrally formed with the two fixing pins 12, and the two fixing blocks 13 are installed in the inside of the fixing grooves 14.

[0025] The base 1 is a basic support structure, integrated with the air inlet 5 and the air outlet 6, connected to the external vacuum system, providing a negative pressure power source channel for the suction cup, and bearing the upper components. The sealing strip 2 is arranged on the top of the base 1, cooperating with the suction cup body 3 to form a sealed space therebetween, preventing air leakage in the vacuum state and ensuring the adsorption effect. The suction cup body 3 directly contacts the workpiece, and the suction holes 4 distributed on the surface thereof are the execution sites of negative pressure adsorption. The air is drawn away through the suction holes 4, forming a pressure difference with the surface of the workpiece, and realizing adsorption and fixation. The air inlet 5 is connected to the external air source, used to fill air into the internal part of the vacuum suction cup, so as to restore the air pressure in the suction cup and release the adsorbed workpiece. The air outlet 6 is connected to the vacuum equipment, forming a vacuum negative pressure in the internal part of the suction cup through air extraction, generating adsorption force to adsorb the workpiece. The fixing frame 7 is bolted to the suction cup body 3, and the bottom surface is provided with the insertion block 8, which is matched with the insertion slot 10 on the base 1 during installation, realizing the preliminary positioning of the suction cup body 3 and the base 1. The insertion block 8 is integrally formed with the fixing frame 7, inserted into the insertion slot 10 of the protrusion 9 on both sides of the base 1, so that the suction cup body 3 is preliminarily connected with the base, and the pin hole 11 on the insertion block 8 is used to cooperate with the fixing pin 12, further fixing the suction cup body 3. The protrusion 9 is integrally formed with the base 1, and the surface is provided with the insertion slot 10 and the pin hole 11. The insertion slot 10 is used to insert the insertion block 8, and the pin hole 11 is used to cooperate with the fixing pin 12, realizing the firm connection of the suction cup body 3 and the base 1. The insertion slot 10 is used to accommodate the insertion block 8, preliminarily positioning and fixing the suction cup body 3. The pin holes 11 are distributed on the protrusion 9 and the insertion block 8, and the fixing pin 12 penetrates through these pin holes 11, firmly connecting the suction cup body 3 and the base 1 together. The fixing pin 12 penetrates through the pin holes 11 of the insertion block 8 and the protrusion 9, and one end is provided with the fixing block 13. After the fixing pin 12 is inserted into the pin hole 11, the fixing block 13 is clamped into the fixing groove 14 by rotating the fixing pin 12, preventing the fixing pin 12 from loosening and ensuring the stability of the connection. The fixing groove 14 is arranged on one side of the protrusion 9, used to accommodate the fixing block 13, preventing the fixing pin 12 from falling off during work.

[0026] During installation, the fixing frame 7 is first installed on both sides of the suction cup body 3, and then the insertion block 8 on the bottom surface of the fixing frame 7 on both sides of the suction cup body 3 is inserted into the insertion slot 10 on the protrusion 9 on both sides of the base 1, completing the preliminary installation. At this time, the pin holes 11 on the insertion block 8 and the protrusion 9 are aligned, the fixing pin 12 is inserted into the pin hole 11 and rotated, the fixing block 13 at one end of the fixing pin 12 is clamped into the fixing groove 14, and the firm connection of the suction cup body 3 and the base 1 is completed. During work, the vacuum equipment is connected to the air outlet 6 to extract air, so that a vacuum is formed in the internal part of the suction cup body 3, the suction holes 4 contact the surface of the workpiece, and the workpiece is adsorbed under the action of the atmospheric pressure difference. After processing is completed, air is filled into the air inlet 5, the air pressure in the internal part of the suction cup is restored, the adsorption of the workpiece is released, and the workpiece can be taken out. Specific embodiment two:

[0028] Reference Figures 1-5The thin-wall part machining anti-deformation vacuum chuck further based on the basic structure in embodiment one, the existing vacuum chuck is the mature technology in the field, the workpiece is placed on the vacuum chuck main body 3 when the vacuum chuck main body 3 works, the vacuum chuck main body 3 top surface is tightly combined with the workpiece surface, after installation, the vacuum pump is used to draw the air in the base 1 interior through the exhaust port 6, the internal pressure of the base 1 internal vacuum cavity is lower than the external atmospheric pressure, thereby the negative pressure is formed at the suction hole 4, the sealing strip 2 ensures sealing, the external atmospheric pressure presses the workpiece on the vacuum chuck main body 3 surface, stable adsorption is realized, the thin-wall part machining anti-deformation requirement is met, after machining, the air is filled in through the air inlet 5, the internal pressure of the vacuum chuck is recovered, the adsorption to the workpiece is released, so that the workpiece is taken down.

[0029] In summary:

[0030] 1, two fixed frames 7 are installed on the two side surfaces of the vacuum chuck main body 3 in advance through fixing bolts, when installation, the plug-in block 8 on the bottom surface of the fixed frame 7 on the two sides of the vacuum chuck main body 3 is aligned with the plug-in slot 10, and the vacuum chuck main body 3 is pressed, so that the plug-in block 8 of the fixed frame 7 is inserted into the plug-in slot 10 of the protruding block 9 on the two sides of the base 1, and the preliminary installation of the vacuum chuck main body 3 is completed, at this time, the pin hole 11 on the surface of the plug-in block 8 is matched with the pin hole 11 on the surface of the protruding block 9, when the preliminary installation is completed, the two fixed pins 12 are inserted into the pin holes 11 on the surfaces of the protruding blocks 9, so that the fixed pins 12 are inserted into the pin holes 11 of the plug-in block 8 and the protruding block 9, when the fixed pins 12 are installed, the fixed pins 12 are rotated, so that the fixed block 13 on one end of the fixed pin 12 is rotated into the fixed slot 14 on the surface of the base 1, and the fixation of the fixed pin 12 is completed, the whole installation process is simple and convenient, and the fixed bolts are not needed to be used for installation, and the shortcoming that the installation cannot be quickly replaced is solved.

[0031] In the present application, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature, which can include direct contact between the first and second features, or indirect contact between the first and second features through another feature therebetween. Moreover, the first feature "above", "over" and "on" the second feature includes the first feature directly above and obliquely above the second feature, or only indicates that the first feature is higher than the second feature in horizontal height. The first feature "below", "under" and "under" the second feature includes the first feature directly below and obliquely below the second feature, or only indicates that the first feature is lower than the second feature in horizontal height.

[0032] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only preferred examples of the present application and are not intended to limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A deformation-preventing vacuum chuck for thin-walled parts, comprising a base (1), characterized in that: The top of the base (1) is provided with a sealing strip (2), the top of the sealing strip (2) is provided with a suction disc body (3), the top surface of the suction disc body (3) is provided with suction holes (4), both sides of the base (1) are provided with protrusions (9), both sides of the suction disc body (3) are provided with fixing frames (7), the bottom surface of the fixing frame (7) is provided with four insertion blocks (8), the surface of the two protrusions (9) is provided with four insertion slots (10), the surface of the two protrusions (9) is provided with pin holes (11), and the surface of the four insertion blocks (8) of the bottom surface of the two fixing frames (7) is provided with pin holes (11), the inside of the pin holes (11) of the two protrusions (9) is provided with fixing pins (12), the side surface of the base (1) is provided with an air inlet (5), one side of the air inlet (5) is provided with an air outlet (6), one end of the two fixing pins (12) is provided with a fixing block (13), and one side of the two protrusions (9) is provided with a fixing groove (14).

2. The anti-deformation vacuum chuck for thin-walled part machining according to claim 1, characterized in that: The two protrusions (9) are integrally formed with the base (1), and the four insertion slots (10) on the surface of the two protrusions (9) are arranged at equal intervals.

3. The anti-deformation vacuum chuck for thin-walled part machining according to claim 1, characterized in that: The two fixing frames (7) are arranged on the top of the protrusion (9), and the two fixing frames (7) are bolted with the suction disc body (3).

4. The anti-deformation vacuum chuck for thin-walled part machining according to claim 1, characterized in that: The four insertion blocks (8) on the bottom surface of the two fixing frames (7) are arranged at equal intervals, and the insertion blocks (8) are integrally formed with the fixing frame (7), and the positions of the four insertion blocks (8) are one-to-one corresponding to the positions of the insertion slots (10) on the surface of the protrusion (9).

5. The anti-deformation vacuum chuck for thin-walled part machining according to claim 1, characterized in that: The positions of the pin holes (11) on the surface of the four insertion blocks (8) on the bottom surface of the two fixing frames (7) are in a parallel state, and the positions of the pin holes (11) on the surface of the insertion blocks (8) are one-to-one corresponding to the positions of the pin holes (11) on the surface of the protrusion (9).

6. The anti-deformation vacuum chuck for thin-walled part machining according to claim 1, characterized in that: The two fixing grooves (14) are mirror image arranged with the base (1) as the center, and the two fixing grooves (14) are arranged on the two side surfaces of the base (1).

7. The anti-deformation vacuum chuck for thin-walled part machining according to claim 1, characterized in that: The two fixing blocks (13) are integrally formed with the two fixing pins (12), and the two fixing blocks (13) are mounted in the fixing groove (14).

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