Anti-deformation vacuum chuck for thin-wall part machining

Abstract

The utility model discloses an anti-deformation vacuum chuck for processing thin-walled parts, and relates to the technical field of vacuum chucks, the anti-deformation vacuum chuck comprises a vacuum chuck and a plurality of auxiliary chucks which are symmetrically arranged in a surrounding manner, the top of the vacuum chuck is communicated with a main air pipe, and a plurality of air guide pipes are communicated between the main air pipe and the auxiliary chucks; a plurality of mounting plates which are symmetrically arranged in a surrounding mode are fixedly arranged at the top of the vacuum suction cup, rotating rods are rotationally arranged in the mounting plates in a penetrating mode, the rod walls of the rotating rods are fixedly sleeved with connecting plates, the auxiliary suction cup is fixedly arranged in the connecting plates, and the rod walls of the multiple rotating rods are each provided with a driving unfolding mechanism; the driving unfolding mechanism is used for driving the auxiliary suction cups to rotate to cooperate with the vacuum suction cups to work. The vacuum suction cup and the auxiliary suction cups are matched in an unfolding mode, the adsorption range of the vacuum suction cup can be enlarged, thin-wall parts can be stably adsorbed in a multi-point mode, falling and bending are avoided as much as possible, and therefore the parts are prevented from deforming.

Description

TECHNICAL FIELD

[0001] The utility model relates to vacuum chuck technical field, concretely relates to a prevent deformation vacuum chuck for thin wall part machining. BACKGROUND

[0002] The inside of vacuum chuck is connected with vacuum pump or vacuum generator and other equipment, the air in the chuck is extracted, the negative pressure environment lower than the outside atmospheric pressure is formed in the inside of the chuck, so as to adsorb the object, and in the thin wall part machining, in order to make the part get stable transfer and positioning, the part will be stably adsorbed by vacuum chuck, but the adsorption range of the vacuum chuck in the prior art is fixed, when the thin wall part is integrally arranged in the form of plate and the specification is larger, only the part is adsorbed by the vacuum chuck, the side of the part far from the vacuum chuck cannot be effectively supported and falls down, at this moment, the whole part is prone to deformation and affects the subsequent machining quality. UTILITY MODEL CONTENTS

[0003] In view of the problems existing in the prior art prevent deformation vacuum chuck for thin wall part machining, the utility model is provided.

[0004] Therefore, the utility model aims at providing a prevent deformation vacuum chuck for thin wall part machining, solves the problem that the prior art vacuum chuck cannot stably adsorb the thin wall part of larger specification from multiple points to prevent deformation.

[0005] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A prevent deformation vacuum chuck for thin wall part machining, including vacuum chuck and multiple auxiliary chucks that are symmetrically arranged around, the top of the vacuum chuck is connected with main air pipe, and multiple air guide pipes are connected between the main air pipe and multiple auxiliary chucks;

[0007] The top of the vacuum chuck is fixed with multiple mounting plates that are symmetrically arranged around, the rotating rod is rotatably arranged in the mounting plate, the rod wall of the rotating rod is fixedly sleeved with connecting plate, and the auxiliary chuck is fixedly arranged in the inside of the connecting plate.

[0008] The rod wall of multiple rotating rods is provided with driving unfolding mechanism, and the driving unfolding mechanism is used to drive multiple auxiliary chucks to rotate and cooperate with the vacuum chuck to work.

[0009] Preferably, the driving unfolding mechanism includes a rack and a gear, the gear is fixedly sleeved with the rotating rod, the rack is arranged in cooperation with the gear, and a moving block is fixedly arranged on the side, the moving block is slidably arranged on the upper side of the lower end of the vacuum chuck, and a moving support mechanism is arranged between the moving block and the vacuum chuck.

[0010] Preferably, the moving support mechanism comprises a guide rod arranged in L shape and sliding through the inside of the moving block, a rod wall of the guide rod is sleeved with a first spring, two ends of the first spring are fixedly connected with the guide rod and the moving block respectively.

[0011] Preferably, a support ring is fixedly arranged at the lower end of the vacuum chuck, an outer wall of the support ring is rotatably sleeved with a swivel ring, a plurality of push blocks arranged in a circumferentially symmetrical manner are fixedly arranged at the outer wall of the swivel ring, and the push blocks are in contact with the moving block.

[0012] Further, a positioning rod is slidingly arranged in the inside of one of the push blocks, a plurality of positioning grooves arranged in a circumferentially symmetrical manner are arranged at the lower end of the vacuum chuck, the bottom of the positioning rod is inserted into the positioning grooves, a second spring is sleeved at the upper end of the positioning rod, and two ends of the second spring are fixedly connected with the positioning rod and the push block respectively.

[0013] Preferably, the air guide pipe is a high-pressure hose.

[0014] In the above technical solution, the technical effects and advantages of the utility model are provided:

[0015] 1. The utility model discloses a vacuum chuck, an auxiliary suction disc, a main air pipe, an air guide pipe, a mounting plate, a rotating rod and a connecting plate are arranged, the vacuum chuck and the plurality of auxiliary suction discs are expanded and matched, the suction range of the vacuum chuck can be enlarged, the thin-walled part can be stably sucked at multiple points to avoid falling and bending as much as possible, and the part is prevented from deforming.

[0016] 2. The utility model discloses a support ring, a swivel ring, a driving expansion mechanism and a moving support mechanism are arranged, the plurality of auxiliary suction discs can be driven to rotate at the same time, and the suction range of the vacuum chuck can be enlarged. DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments or the prior art, the drawings needed in the embodiments will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art according to these drawings.

[0018] Figure 1 It is a structural schematic view of the utility model;

[0019] Figure 2 It is a structural schematic view of the utility model; Figure 1 It is an enlarged schematic view of A part of the utility model;

[0020] Figure 3 It is a top view structural schematic view of the swivel ring, the push block and the moving block of the utility model.

[0021] Reference numerals:

[0022] 1, vacuum chuck; 2, auxiliary chuck; 3, main air pipe; 4, air guide pipe; 5, mounting plate; 6, rotating rod; 7, connecting plate; 8, rack; 9, gear; 10, moving block; 11, guide rod; 12, first spring; 13, support ring; 14, rotating ring; 15, push block; 16, positioning rod; 17, second spring. DETAILED DESCRIPTION

[0023] In order for those skilled in the art to better understand the technical scheme of the utility model, the utility model will be further described in detail below with reference to the drawings.

[0024] The utility model discloses a kind of deformation prevention vacuum chuck for thin-walled part machining.

[0025] The utility model provides a kind of deformation prevention vacuum chuck for thin-walled part machining as Figures 1-3 As shown in the figure, the deformation prevention vacuum chuck for thin-walled part machining includes vacuum chuck 1 and multiple auxiliary chucks 2 arranged around symmetrically, characterized by, the top of vacuum chuck 1 is connected and communicated with main air pipe 3, and multiple air guide pipes 4 are connected and communicated between main air pipe 3 and multiple auxiliary chucks 2, air guide pipe 4 is high-pressure hose;

[0026] The top of vacuum chuck 1 is fixed with multiple mounting plates 5 arranged around symmetrically, rotating rod 6 is rotatably arranged in mounting plate 5, connecting plate 7 is fixedly sleeved on the wall of rotating rod 6, and auxiliary chuck 2 is fixedly arranged in the inside of connecting plate 7.

[0027] Before needing to adsorb and position large-specification thin-walled part, multiple rotating rods 6 can be driven simultaneously, so that rotating rod 6 drives connecting plate 7 to rotate under the support of mounting plate 5, at this time, connecting plate 7 can drive auxiliary chuck 2 to rotate, and be in the same horizontal line with vacuum chuck 1, so that the adsorption range of vacuum chuck 1 can be increased when multiple auxiliary chucks 2 are arranged around, and falling of thin-walled part in adsorption process is avoided as much as possible, so that thin-walled part does not deform.

[0028] In order to make multiple auxiliary chucks 2 can rotate and expand simultaneously, as Figures 1-3As shown, the rod wall of the plurality of rotating rods 6 is provided with a driving unfolding mechanism, the driving unfolding mechanism is used for driving the plurality of auxiliary suction cups 2 to rotate to cooperate with the vacuum suction cup 1 to work, the driving unfolding mechanism comprises a rack 8 and a gear 9, the gear 9 is fixedly sleeved with the rotating rod 6, the rack 8 is arranged in cooperation with the gear 9, and the side is fixedly provided with a moving block 10, the moving block 10 is slidably arranged on the upper side of the lower end of the vacuum suction cup 1, and a moving support mechanism is arranged between the moving block 10 and the vacuum suction cup 1, the moving support mechanism comprises a guide rod 11, the guide rod 11 is arranged in an L shape and slidably penetrates the inside of the moving block 10, the rod wall of the guide rod 11 is sleeved with a first spring 12, the two ends of the first spring 12 are fixedly connected with the guide rod 11 and the moving block 10 respectively, the lower end of the vacuum suction cup 1 is fixedly provided with a supporting ring 13, the outer wall of the supporting ring 13 is rotatably sleeved with a rotating ring 14, the outer wall of the rotating ring 14 is fixedly provided with a plurality of push blocks 15 arranged in a ring around the symmetry, and the push blocks 15 are in contact with the moving block 10.

[0029] When the vacuum suction cup 1 is used, the plurality of auxiliary suction cups 2 are arranged in an inclined manner, at this time, the rack 8 pushes the gear 9, the plurality of push blocks 15 extrude the moving block 10, so that the first spring 12 is stretched, and when it is necessary to unfold the plurality of auxiliary suction cups 2, the rotating ring 14 can be pushed under the support of the supporting ring 13, at this time, the rotating ring 14 slowly moves away from the moving block 10, so that the moving block 10 is close to the main air pipe 3 under the support of the guide rod 11 and the elastic recovery of the first spring 12, at this time, the rack 8 moves back to pull the gear 9, so that the gear 9 drives the rotating rod 6 to rotate, so that the plurality of connecting plates 7 drive the auxiliary suction cups 2 to rotate and are arranged in a horizontal manner, so as to complete the unfolding of the plurality of auxiliary suction cups 2.

[0030] In order to determine the position of the plurality of auxiliary suction cups 2, Figure 1 , Figure 2 As shown, the inside of the one side push block 15 is slidably penetrated with a positioning rod 16, the lower end of the vacuum suction cup 1 is provided with a plurality of positioning grooves arranged in a ring around the symmetry, the bottom of the positioning rod 16 is inserted into the positioning groove, the upper end of the positioning rod 16 is sleeved with a second spring 17, and the two ends of the second spring 17 are fixedly connected with the positioning rod 16 and the push block 15 respectively.

[0031] When it is necessary to determine the position of the auxiliary suction cup 2, the rotating ring 14 is rotated, and under the elastic pushing of the second spring 17, the positioning rod 16 is inserted into the positioning groove, the position of the rotating ring 14 and the plurality of push blocks 15 is determined, and because the push block 15 is in contact with the moving block 10, and the moving block 10 is elastically limited by the first spring 11, the moving block 10 can be fixed, so that the relative position of the gear 9 and the rack 8 is determined, and the position of the connecting plate 7 and the auxiliary suction cup 2 is determined.

[0032] The above has only described certain exemplary embodiments of the present application by way of illustration, and it is needless to say that the described embodiments can be modified in various ways without departing from the spirit and scope of the present application for those skilled in the art. Therefore, the above drawings and descriptions are illustrative in nature, and should not be understood as limiting the scope of protection of the claims of the present application.

Claims

1. A deformation-preventing vacuum chuck for thin-walled part machining, comprising a vacuum chuck (1) and a plurality of auxiliary chucks (2) disposed symmetrically around the vacuum chuck, characterized in that, The top of the vacuum chuck (1) is provided with a main air pipe (3), and a plurality of air guide pipes (4) are arranged between the main air pipe (3) and the plurality of auxiliary chucks (2). A plurality of mounting plates (5) are symmetrically arranged on the top of the vacuum chuck (1), a rotating rod (6) is rotatably arranged in the mounting plate (5), a connecting plate (7) is fixedly arranged on the rod wall of the rotating rod (6), and the auxiliary chuck (2) is fixedly arranged in the connecting plate (7). The rod wall of the rotating rod (6) is provided with a driving expansion mechanism, which is used for driving the plurality of auxiliary chucks (2) to rotate and cooperate with the vacuum chuck (1) to work.

2. The anti-deformation vacuum chuck for thin-walled part machining according to claim 1, characterized in that, The driving expansion mechanism comprises a rack (8) and a gear (9), the gear (9) is fixedly sleeved with the rotating rod (6), the rack (8) is arranged in cooperation with the gear (9), and a moving block (10) is fixedly arranged on the side of the rack (8), the moving block (10) is slidably arranged on the upper side of the lower end of the vacuum chuck (1), and a moving support mechanism is arranged between the moving block (10) and the vacuum chuck (1).

3. The anti-deformation vacuum chuck for thin-walled part machining according to claim 2, characterized in that, The moving support mechanism comprises a guide rod (11), the guide rod (11) is arranged in an L shape and slidably arranged in the inside of the moving block (10), the rod wall of the guide rod (11) is sleeved with a first spring (12), and the two ends of the first spring (12) are fixedly connected with the guide rod (11) and the moving block (10) respectively.

4. The anti-deformation vacuum chuck for thin-walled part machining according to claim 1, characterized in that, The lower end of the vacuum chuck (1) is fixedly provided with a supporting ring (13), the outer wall of the supporting ring (13) is rotatably sleeved with a rotating ring (14), a plurality of push blocks (15) are symmetrically arranged on the outer wall of the rotating ring (14), and the push blocks (15) are in contact with the moving block (10).

5. The anti-deformation vacuum chuck for thin-walled part machining according to claim 4, characterized in that, A positioning rod (16) is slidably arranged in the inside of the push block (15), a plurality of positioning grooves are symmetrically arranged on the lower end of the vacuum chuck (1), the bottom of the positioning rod (16) is inserted into the positioning groove, a second spring (17) is sleeved on the upper end of the positioning rod (16), and the two ends of the second spring (17) are fixedly connected with the positioning rod (16) and the push block (15) respectively.

6. The anti-deformation vacuum chuck for thin-walled part machining according to claim 1, characterized in that, The air guide pipe (4) is a high-pressure hose.

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