Vacuum chuck for machining

Abstract

The utility model relates to the technical field of machining, and discloses a vacuum chuck for machining, which comprises a cavity plate, the top of the cavity plate is in sliding connection with a plurality of limiting columns, the exteriors of the plurality of limiting columns are in sliding connection with a connecting plate, the tops of the plurality of limiting columns are in sliding connection with a perforated plate, and the top of the perforated plate is in sliding connection with a clamping plate. A valve element is slidably connected into the through hole, a dust blocking net is fixedly connected into the valve element, a sealing assembly for sealing the through hole is fixedly connected to the outer portion of the valve element, a sliding groove is formed in the valve element, a clamping block is slidably connected into the sliding groove, and a sleeve is fixedly connected into the sliding groove. A spring is arranged in the sleeve, and a cylinder sleeve is slidably connected to the interior of the sleeve. According to the utility model, the spring generates elastic force to eject the cylinder sleeve and the clamping block, so that the clamping block slides in the sliding groove, and then the clamping block and the clamping groove are clamped, and then installation and fixation are carried out.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical processing, in particular to a vacuum suction cup for mechanical processing. Background Art

[0002] The vacuum suction cup used in machining is a device specially used to clamp and fix the workpiece. It absorbs the surface of the workpiece by generating negative pressure, thereby ensuring the stability and safety of the workpiece during the machining process.

[0003] In the prior art, during the specific use of some vacuum suction cups for machining, each hole opened on the vacuum suction cup needs to be installed with a valve core, and specific tools need to be used for installation, which reduces the work efficiency of workers. Therefore, in response to the above problems, a vacuum suction cup for machining is proposed. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a vacuum suction cup for machining, aiming to improve the problems in the prior art that the valve core cannot be installed quickly and the switch and the interface cannot be effectively sealed.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a vacuum suction cup for mechanical processing, comprising a cavity plate, the top of the cavity plate is slidably connected with a plurality of limit columns, the outsides of the plurality of limit columns are slidably connected with a connecting plate, the tops of the plurality of limit columns are slidably connected with a perforated plate, the top of the perforated plate is equipped with an installation component connected to the cavity plate, the top of the perforated plate is provided with a plurality of through holes, the outside of the through holes is provided with a card groove, the inside of the through holes is slidably connected with a valve core, the inside of the valve core is fixedly connected with a dust shield, the outside of the valve core is fixedly connected with a sealing component that seals the through hole, the inside of the valve core is provided with a slide groove, the inside of the slide groove is slidably connected with a card block, the inside of the slide groove is fixedly connected with a sleeve, the inside of the sleeve is provided with a spring, and the inside of the sleeve is slidably connected with a cylindrical sleeve.

[0006] As a further description of the above technical solution:

[0007] The mounting assembly includes a plurality of bolts, the bottoms of which penetrate the perforated plate and the connecting plate in sequence and are threadedly connected to the top of the cavity plate.

[0008] As a further description of the above technical solution:

[0009] The sealing assembly includes a sealing ring 1 and a sealing ring 2, wherein the interior of the sealing ring 1 is fixedly connected to the exterior of the valve core, and the interior of the sealing ring 2 is fixedly connected to the exterior of the valve core.

[0010] As a further description of the above technical solution:

[0011] An external threaded tube is fixedly connected to the right side of the cavity plate, a straight tube is slidably connected to the inside of the external threaded tube, a retaining ring is fixedly connected to the outside of the straight tube, an internal threaded tube is connected to the external thread of the external threaded tube, a rubber ring is fixedly connected to the left side of the internal threaded tube, and a connecting tube is fixedly connected to the right side of the straight tube.

[0012] As a further description of the above technical solution:

[0013] The sealing ring 2 and the sealing ring 1 are both made of rubber, and the outside of the sealing ring 2 is in contact with the inside of the through hole.

[0014] As a further description of the above technical solution:

[0015] The inside of the internal threaded tube is rotationally connected to the outside of the straight tube, and the left side of the rubber ring is in contact with the right side of the cavity plate.

[0016] As a further description of the above technical solution:

[0017] One side of the spring is fixedly connected to the inside of the sleeve, and the other side of the spring is fixedly connected to the inside of the cylindrical sleeve.

[0018] As a further description of the above technical solution:

[0019] The four corners of the bottom of the cavity plate are fixedly connected with support columns, and the outside of the cylindrical sleeve is fixedly connected to the outside of the clamping block.

[0020] The utility model has the following beneficial effects:

[0021] 1. In the utility model, the sleeve cooperates with the spring to generate elastic force to push the cylindrical sleeve and the block, so that the block slides inside the slide groove, and then the block is engaged with the groove, and then installed and fixed.

[0022] 2. In the utility model, the straight tube slides inside the external threaded tube, and then rotates outside the external threaded tube through the internal threaded tube. At the same time, the rubber ring on the rear side of the internal threaded tube is tightly fitted with the cavity plate, thereby performing multiple sealing. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 A three-dimensional diagram of a vacuum suction cup for machining proposed by the utility model;

[0024] Figure 2 This is a schematic diagram of the structure of a connecting plate of a vacuum suction cup for machining proposed by the utility model;

[0025] Figure 3 for Figure 2 Enlarged view of point A in the middle;

[0026] Figure 4 This is a schematic diagram of the dust shield structure of a vacuum suction cup for machining proposed by the utility model;

[0027] Figure 5 for Figure 4 Enlarged view of point B in the middle;

[0028] Figure 6 The utility model is a schematic diagram of the structure of an externally threaded tube of a vacuum suction cup for machining.

[0029] Legend:

[0030] 1. Cavity plate; 2. Connecting plate; 3. Limiting column; 4. Perforated plate; 5. Bolt; 6. Through hole; 7. Slot; 8. Valve core; 9. Dust screen; 10. Sealing ring 1; 11. Sealing ring 2; 12. Slide; 13. Block; 14. Sleeve; 15. Spring; 16. Cylinder sleeve; 17. Externally threaded pipe; 18. Straight pipe; 19. Retaining ring; 20. Internally threaded pipe; 21. Rubber ring; 22. Connecting pipe. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] Reference Figure 1 - Figure 3As shown, an embodiment of the utility model is provided: a vacuum suction cup for machining, comprising a cavity plate 1, wherein a cavity is arranged inside the cavity plate 1, and a vacuum treatment can be performed; a plurality of limit columns 3 are slidably connected to the top of the cavity plate 1, and the limit columns 3 are used to fix the cavity plate 1; a connecting plate 2 is slidably connected to the outside of the plurality of limit columns 3, and the connecting plate 2 is used to connect the cavity plate 1 and the perforated plate 4; a plurality of limit columns 3 are slidably connected to the perforated plate 4 on the top, and the perforated plate 4 is used to open a through hole 6, and the perforated plate 4 A mounting assembly for connecting the cavity plate 1 is installed on the top, and the mounting assembly includes a plurality of bolts 5. The bolts 5 are used to connect the connecting plate 2 and the cavity plate 1. The bottom of the bolts 5 passes through the perforated plate 4 and the connecting plate 2 in sequence and is threadedly connected to the top of the cavity plate 1. A plurality of through holes 6 are provided on the top of the perforated plate 4. The through holes 6 are used to install the valve core 8. A card groove 7 is provided on the outside of the through hole 6. The card groove 7 is used to engage with the card block 13. The valve core 8 is slidably connected to the inside of the through hole 6. The valve core 8 is used to absorb the machined product.

[0033] Reference Figure 3 - Figure 5 As shown, the inside of the valve core 8 is fixedly connected with a dust screen 9, and the dust screen 9 is used to filter dust and impurities during processing. The outside of the valve core 8 is fixedly connected with a sealing component that seals the through hole 6. The sealing component includes a sealing ring 10 and a sealing ring 2 11. The sealing ring 10 is used to cooperate with the sealing ring 2 11 to seal inside the through hole 6. The inside of the sealing ring 10 is fixedly connected to the outside of the valve core 8. The sealing ring 2 11 and the sealing ring 10 are both made of rubber material. The outside of the sealing ring 2 11 contacts the inside of the through hole 6. The inside of the sealing ring 2 11 is fixedly connected to the outside of the valve core 8. The inside of the valve core 8 is provided with a slide groove 12. The slide groove 12 is designed to allow the block 13 to slide, and the block 13 is slidably connected inside the slide groove 12. The sleeve 14 is fixedly connected inside the slide groove 12. The sleeve 14 and the cylindrical sleeve 16 are designed to prevent the spring 15 from deforming. A spring 15 is provided inside the sleeve 14. The spring 15 is used to generate power to push the block 13. One side of the spring 15 is fixedly connected to the inside of the sleeve 14, and the other side of the spring 15 is fixedly connected to the inside of the cylindrical sleeve 16. The inside of the sleeve 14 is slidably connected to the cylindrical sleeve 16. The four corners of the bottom of the cavity plate 1 are fixedly connected to support columns, and the outside of the cylindrical sleeve 16 is fixedly connected to the outside of the block 13.

[0034] Reference Figure 1 and Figure 6As shown, the right side of the cavity plate 1 is fixedly connected with an external threaded tube 17, and the external threaded tube 17 is used to fix with the cavity plate 1, and the internal sliding connection of the external threaded tube 17 is a straight tube 18, and the straight tube 18 is used to slide inside the external threaded tube 17, and the outside of the straight tube 18 is fixedly connected with a retaining ring 19, and the retaining ring 19 is used to limit the internal threaded tube 20, and the external thread of the external threaded tube 17 is connected with the internal threaded tube 20, and the internal threaded tube 20 is used to cooperate with the rubber ring 21 to be threadedly connected to the outside of the external threaded tube 17, and is sealed between the rubber ring 21 and the cavity plate 1, and the internal rotation of the internal threaded tube 20 is connected to the outside of the straight tube 18, and the left side of the rubber ring 21 contacts the right side of the cavity plate 1, and the left side of the internal threaded tube 20 is fixedly connected with the rubber ring 21, and the right side of the straight tube 18 is fixedly connected with a connecting tube 22, and the connecting tube 22 is used to connect the straight tube 18.

[0035] Working principle: When installing the valve core 8, the staff only needs to press the grooves 7 on both sides of the outside of the valve core 8 inward, and then press down on the inside of the through hole 6, so that the valve core 8 cooperates with the grooves 7 to slide inside the through hole 6, and then after reaching the appropriate position, the sleeve 14 cooperates with the spring 15 to generate elastic force to push the cylindrical sleeve 16 and the block 13, so that the block 13 slides inside the slide groove 12, and then the block 13 is engaged with the groove 7, and then installed and fixed, and then the valve core 8 is sealed inside the through hole 6 through the sealing ring 10 and the sealing ring 2 11, and then the dust and impurities are prevented from entering the inside of the valve core 8 through the dust screen 9;

[0036] When the connection between the connecting tube 22 and the external threaded tube 17 is needed for sealing, it is only necessary to first install the external threaded tube 17 on the outside of the cavity plate 1, and then insert the straight tube 18 into the inside of the external threaded tube 17, so that the straight tube 18 slides with the inside of the external threaded tube 17, and then rotates on the outside of the external threaded tube 17 through the internal threaded tube 20, and at the same time, the rubber ring 21 on the rear side of the internal threaded tube 20 is tightly fitted with the cavity plate 1, thereby performing multiple sealing.

[0037] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A vacuum suction cup for machining, comprising a cavity plate (1), characterized in that: The top of the cavity plate (1) is slidably connected to a plurality of limit columns (3), the outside of the plurality of limit columns (3) is slidably connected to a connecting plate (2), the top of the plurality of limit columns (3) is slidably connected to a perforated plate (4), the top of the perforated plate (4) is provided with a mounting assembly connected to the cavity plate (1), the top of the perforated plate (4) is provided with a plurality of through holes (6), the outside of the through holes (6) is provided with a clamping groove (7), the inside of the through holes (6) is slidably connected to a valve core (8), the inside of the valve core (8) is fixedly connected to a dust screen (9), the outside of the valve core (8) is fixedly connected to a sealing assembly for sealing the through holes (6), the inside of the valve core (8) is provided with a sliding groove (12), the inside of the sliding groove (12) is slidably connected to a clamping block (13), the inside of the sliding groove (12) is fixedly connected to a sleeve (14), the inside of the sleeve (14) is provided with a spring (15), and the inside of the sleeve (14) is slidably connected to a cylindrical sleeve (16).

2. A vacuum chuck for machining according to claim 1, characterized in that: The mounting assembly comprises a plurality of bolts (5), the bottoms of the bolts (5) sequentially passing through the perforated plate (4) and the connecting plate (2) and being threadedly connected to the top of the cavity plate (1).

3. A vacuum chuck for machining according to claim 1, characterized in that: The sealing assembly comprises a sealing ring 1 (10) and a sealing ring 2 (11), wherein the interior of the sealing ring 1 (10) is fixedly connected to the exterior of the valve core (8), and the interior of the sealing ring 2 (11) is fixedly connected to the exterior of the valve core (8).

4. The vacuum chuck for machining according to claim 1, characterized in that: The right side of the cavity plate (1) is fixedly connected to an externally threaded tube (17), the interior of the externally threaded tube (17) is slidably connected to a straight tube (18), the outside of the straight tube (18) is fixedly connected to a retaining ring (19), the external thread of the externally threaded tube (17) is threadedly connected to an internally threaded tube (20), the left side of the internally threaded tube (20) is fixedly connected to a rubber ring (21), and the right side of the straight tube (18) is fixedly connected to a connecting tube (22).

5. The vacuum chuck for machining according to claim 3, characterized in that: The sealing ring 2 (11) and the sealing ring 1 (10) are both made of rubber material, and the outside of the sealing ring 2 (11) is in contact with the inside of the through hole (6).

6. A vacuum chuck for machining according to claim 4, characterized in that: The interior of the internally threaded tube (20) is rotationally connected to the exterior of the straight tube (18), and the left side of the rubber ring (21) is in contact with the right side of the cavity plate (1).

7. The vacuum chuck for machining according to claim 1, characterized in that: One side of the spring (15) is fixedly connected to the interior of the sleeve (14), and the other side of the spring (15) is fixedly connected to the interior of the cylindrical sleeve (16).

8. The vacuum chuck for machining according to claim 1, characterized in that: The four corners of the bottom of the cavity plate (1) are fixedly connected to support columns, and the outside of the cylindrical sleeve (16) is fixedly connected to the outside of the clamping block (13).

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