Water-cooling vacuum adsorption device
By using the double-layer sealing structure of the water-cooled vacuum adsorption device and the design of the transverse cooling tube, the problems of poor heat dissipation of the fixture and impurity blockage in laser cutting are solved, realizing a high-precision and stable laser cutting process, reducing the defect rate and the risk of equipment damage.
Patent Information
- Application Number
- CN202422921569.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-28
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2034-11-28
AI Technical Summary
In the existing laser cutting process, the processing fixture has poor heat dissipation, which can damage the product due to high temperatures and cause impurities to clog the vacuum adsorption pipes, affecting processing accuracy and efficiency.
A water-cooled vacuum adsorption device was designed, which adopts a double-layer sealing structure and a horizontal cooling tube, combined with a filter screen to prevent impurities from clogging. The device adsorbs products and dissipates heat through vacuum adsorption holes, and is fixed with detachable limit buckles and screws to ensure sealing and stability.
It improves processing accuracy, reduces defective products, prevents equipment damage, maintains production efficiency, and ensures the stability and safety of products during the laser cutting process.
Smart Images

Figure CN223656250U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to laser cutting technical field especially relates to a water -cooling vacuum adsorption device. BACKGROUND
[0002] The basic principle of laser cutting is to gather laser on material, carries out local heating to material until exceeding melting point, then uses coaxial high pressure gas or generated metal vapor pressure to blow away molten metal, with linear movement of light beam and material, makes hole continuous form very narrow cutting seam.
[0003] In the laser cutting process, high temperature will be generated, and the current processing fixture has poor heat dissipation effect, and the high-temperature fixture will cause damage to the product. At the same time, impurities such as waste slag and molten slag will be generated in the processing process, and the fine waste slag will cause blockage of the vacuum adsorption pipeline, thereby affecting normal processing and reducing production efficiency. UTILITY MODEL CONTENT
[0004] In view of the problems existing in the prior art, the utility model provides a water-cooled vacuum adsorption device, which aims to solve the problems of low sealing performance, impurity blockage and poor cooling effect of the current laser processing fixture.
[0005] To achieve the above purpose, the technical scheme adopted by the utility model is: a water-cooled vacuum adsorption device, comprising a fixture base and a vacuum adsorption plate arranged on the fixture base, a groove is arranged on the fixture base, a sealing groove is arranged on the periphery of the groove, a sealing assembly matched with the sealing groove is arranged on the bottom surface of the vacuum adsorption plate, the vacuum adsorption plate and the groove are matched to form a vacuum cavity, a negative pressure port and an exhaust port communicated with the vacuum cavity are arranged on one side of the fixture base, a filter screen is installed in the groove through a detachable limiting buckle, the filter screen and the bottom surface of the groove are spaced apart, and the vacuum adsorption plate is further provided with a plurality of vacuum adsorption holes and transverse cooling pipes.
[0006] Based on the above, the sealing assembly and the sealing groove cooperate to form a vacuum cavity, and when the product to be processed is subjected to laser cutting, the vacuum cavity generates negative pressure and adsorbs the product to be processed through the vacuum adsorption holes. A plurality of equidistant transverse cooling pipes are arranged in the vacuum adsorption plate, which improves the heat dissipation efficiency of the inside of the vacuum adsorption plate. At the same time, during the laser cutting of the product, part of the fine waste slag generated will enter the groove through the vacuum adsorption holes, and the filter screen can prevent the waste slag from falling into the bottom of the groove, avoiding the waste slag from entering the exhaust port and causing damage to the equipment. In addition, the filter screen and the bottom surface of the groove are spaced apart, which can avoid the filter screen from blocking the negative pressure port and the exhaust port.
[0007] Further, the sealing assembly comprises a first sealing ring and a second sealing ring, the bottom surface of the vacuum adsorption plate is provided with an annular mounting block matched with the sealing groove, an annular sealing mounting groove is arranged in the annular mounting block, the first sealing ring is embedded in the annular sealing mounting groove, and the second sealing ring is arranged outside the annular mounting block through a tension sleeve.
[0008] Based on the above, the first sealing ring and the second sealing ring are respectively extruded and attached to the bottom surface and the side surface of the sealing groove to form a double-layer sealing structure, the sealing property of the utility model is enhanced, the product is more stable during adsorption, movement of the product during processing is avoided, the processing precision is ensured, and the generation of defective products is reduced.
[0009] Further, the detachable limiting buckle comprises a first detachable limiting buckle and a second detachable limiting buckle, square mounting holes matched with the detachable limiting buckles are arranged on the inner walls of the grooves, the first detachable limiting buckle and the second detachable limiting buckle are clamped and matched with the jig base through the square mounting holes, the limiting direction of the first detachable limiting buckle is upward, the filter screen is supported, and the second detachable limiting buckle is arranged above the first detachable limiting buckle and has a downward limiting direction, and the filter screen is downward limited.
[0010] Based on the above, the first detachable limiting buckles are uniformly distributed on the inner walls of the grooves to support the filter screen, and the second detachable limiting buckles downward limit the filter screen, so that the installation of the filter screen is more stable. In addition, the first detachable limiting buckles and the second detachable limiting buckles are fixedly matched with the jig base through clamping, so that the structure installation is simpler, and the difficulty of casting is reduced.
[0011] Further, the transverse cooling pipes are connected through connecting heads, and the two ends of the cooling pipe group are provided with water inlets and water outlets.
[0012] Further, the upper surface of the vacuum adsorption plate is provided with a positioning hole, and the positioning hole is matched with a positioning pin to position a product to be processed.
[0013] Based on the above, the positioning hole is matched with the positioning pin to position the product to be processed.
[0014] Further, the bottom surface of the vacuum adsorption plate is provided with a threaded hole, the jig base is provided with a countersunk through hole corresponding to the threaded hole, a screw passes through the countersunk through hole and is matched with the threaded hole, so that the vacuum adsorption plate and the jig base are fixedly installed.
[0015] Based on the above, through the screw fixing cooperation, the cooperation of the vacuum adsorption plate and the jig base is more stable.
[0016] In order to make the above features of the utility model and the purposes to be achieved more clearly, the utility model is further described below in combination with the drawings and specific embodiments. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 is a perspective view of the utility model;
[0018] Figure 2 is a structural schematic view of the jig base;
[0019] Figure 3 is a perspective view of the utility model; Figure 2 is an enlarged view of part A;
[0020] Figure 4 is a perspective view of the utility model; Figure 2 is an enlarged view of part B;
[0021] Figure 5 is a top view of the jig base cooperating with the filter screen;
[0022] Figure 6 is a bottom view of the vacuum adsorption plate (including the connecting head);
[0023] Figure 7 is a sectional view of the utility model;
[0024] Figure 8 is a perspective view of the utility model; Figure 7 is an enlarged view of part C.
[0025] BRIEF DESCRIPTION OF DRAWINGS 1 jig base; 2 vacuum adsorption plate; 3 recess; 4 sealing groove; 5 sealing assembly; 6 vacuum cavity; 7 negative pressure port; 8 exhaust port; 10 filter screen; 11 vacuum adsorption hole; 12 transverse cooling pipe; 13 first detachable limiting buckle; 14 second detachable limiting buckle; 15 connecting head; 16 water inlet; 17 water outlet; 18 positioning hole; 19 positioning pin; 20 threaded hole; 21 countersunk through hole; 22 square mounting hole; 23 first sealing ring; 24 second sealing ring; 25 annular mounting block. DETAILED DESCRIPTION
[0026] As Figures 1 to 7As shown, a water-cooled vacuum adsorption device includes a jig base 1 and a vacuum adsorption plate 2 arranged on the jig base 1, the jig base 1 is provided with a groove 3, the periphery of the groove 3 is provided with a sealing groove 4, the bottom surface of the vacuum adsorption plate 2 is provided with a sealing assembly 5 matched with the sealing groove 4, the sealing assembly 5 includes a first sealing ring 23 and a second sealing ring 24, the bottom surface of the vacuum adsorption plate 2 is provided with an annular mounting block 25 matched with the shape of the sealing groove 4, the annular mounting block 25 is provided with an annular sealing mounting groove, the first sealing ring 23 is embedded in the annular sealing mounting groove, and the second sealing ring 24 is arranged outside the annular mounting block 25 through a tension sleeve. The vacuum adsorption plate 2 and the groove 3 cooperate to form a vacuum cavity 6. During the cooperation and installation of the vacuum adsorption plate 2 and the jig base 1, the first sealing ring 23 is extruded and attached to the bottom surface of the sealing groove 4, and the side surface and the bottom surface of the second sealing ring 24 are respectively extruded and attached to the inner wall and the bottom surface of the sealing groove 4. One side of the jig base 1 is provided with a negative pressure port 7 and an exhaust port 8 communicated with the vacuum cavity 6, and the sealing assembly 5 and the sealing groove 4 form a double-layer sealing structure, which enhances the sealing property of the utility model, makes the adsorption of products more stable, avoids the movement of products caused by unstable adsorption during processing, ensures the processing precision, and reduces the generation of defective products.
[0027] The vacuum adsorption plate 2 is also provided with a plurality of vacuum adsorption holes 11 and transverse cooling pipes 12, the vacuum adsorption holes 11 are communicated with the vacuum cavity 6, the transverse cooling pipes 12 are uniformly arranged in the vacuum adsorption plate 2, any adjacent transverse cooling pipes 12 are connected through a connecting head 15, and the transverse cooling pipes 12 at both ends are provided with a water inlet 16 and a water outlet 17. The uniformly arranged transverse cooling pipes 12 can balance the heat dissipation of the vacuum adsorption plate 2, avoid the heat dissipation effect on part of the area, and prevent the damage to the product caused by the high temperature.
[0028] A filter screen 10 is installed in the groove 3 through a detachable limiting buckle, the air permeable hole of the filter screen 10 is smaller than the aperture of the vacuum adsorption hole 11, and polyester non-woven fabric is arranged in the filter screen 10, which can effectively isolate small waste while ensuring air permeability, and the filter screen 10 is spaced apart from the bottom surface of the groove 3, part of the small waste generated in the process of laser cutting of the product can enter the groove 3 through the vacuum adsorption hole 11, and the filter screen 10 can prevent the waste from falling into the bottom of the groove 3, thereby avoiding the waste from entering the exhaust port 8 and damaging the equipment. In addition, the filter screen 10 is spaced apart from the bottom surface of the groove 3, which can avoid the filter screen 10 from blocking the negative pressure port 7 and the exhaust port 8.
[0029] Preferably, the detachable limiting buckle comprises a first detachable limiting buckle 13 and a second detachable limiting buckle 14, a plurality of the first detachable limiting buckles 13 and the second detachable limiting buckles 14 are arranged on the inner wall of the groove 3, the limiting direction of the first detachable limiting buckle 13 is upward, the filter screen 10 is supported, the second detachable limiting buckle 14 is arranged above the first detachable limiting buckle 13 and the limiting direction is downward, the filter screen 10 is downward limited.
[0030] Preferably, the upper surface of the vacuum adsorption plate 2 is provided with a positioning hole 18, the positioning hole 18 cooperates with a positioning pin 19 to position the product to be processed.
[0031] Preferably, the bottom surface of the vacuum adsorption plate 2 is provided with a threaded hole 20, the jig base 1 is provided with a countersunk through hole 21 corresponding to the threaded hole 20, a screw passes through the countersunk through hole 21 and cooperates with the threaded hole 20, so that the vacuum adsorption plate 2 is fixedly installed on the jig base 1. The screw fixing cooperation can make the cooperation of the vacuum adsorption plate 2 and the jig base 1 more stable.
[0032] Preferably, the four walls of the groove 3 are provided with square mounting holes 22 matched with the first detachable limiting buckle 13 and the second detachable limiting buckle 14, the first detachable limiting buckle 13 and the second detachable limiting buckle 14 are clamped and cooperated with the jig base 1 through the square mounting holes 22, so that the structure installation is simpler and the difficulty of casting mold is reduced. The friction between the inner wall of the square mounting hole 22 and the first detachable limiting buckle 13 and the second detachable limiting buckle 14 can ensure stable cooperation.
[0033] The specific implementation of the embodiment is that when the product to be processed is laser cut, the product to be processed is placed on the upper surface of the vacuum adsorption plate 2, the product to be processed is positioned by the positioning pin 19, then the vacuum generator is started, the negative pressure port 7 is in vacuum negative pressure, the vacuum adsorption hole 11 adsorbs the product to be processed, then cold water is connected from the water inlet 16, and the machine is started to laser cut the product to be processed. After processing, the adsorption of the product is stopped, and the product is unloaded. Part of the waste generated during processing will enter the vacuum cavity 6 from the vacuum adsorption port, and accumulate in the filter screen 10. When cleaning is needed, the filter screen 10 can be removed and cleaned.
[0034] The above is only the optimal solution embodiment of the present application, and is not used to limit the present application. Various modifications or replacements of the present application made by those skilled in the art without departing from the essence and protection scope of the present application should be within the protection scope of the present application.
Claims
1. A water-cooled vacuum adsorption device, comprising a jig base (1) and a vacuum adsorption plate (2) arranged on the jig base (1), characterized in that: The tool base (1) is provided with a groove (3), the outer periphery of the groove (3) is provided with a sealing groove (4), the bottom surface of the vacuum adsorption plate (2) is provided with a sealing assembly (5) matched with the sealing groove (4), the vacuum adsorption plate (2) and the groove (3) cooperate to form a vacuum cavity (6), one side of the tool base (1) is provided with a negative pressure port (7) and an exhaust port (8) communicated with the vacuum cavity (6), a filter screen (10) is installed in the groove (3) through a detachable limiting buckle, the filter screen (10) is spaced from the bottom surface of the groove (3), and the vacuum adsorption plate (2) is further provided with a plurality of vacuum adsorption holes (11) and a transverse cooling pipe (12).
2. The water-cooled vacuum suction device according to claim 1, characterized in that: The sealing assembly (5) comprises a first sealing ring (23) and a second sealing ring (24), the bottom surface of the vacuum adsorption plate (2) is provided with an annular mounting block (25) matched with the shape of the sealing groove (4), the annular mounting block (25) is provided with an annular sealing mounting groove, the first sealing ring (23) is embedded in the annular sealing mounting groove, and the second sealing ring (24) is arranged outside the annular mounting block (25) through a tension sleeve.
3. The water-cooled vacuum suction device according to claim 1, wherein: The detachable limiting buckle comprises a first detachable limiting buckle (13) and a second detachable limiting buckle (14), the inner wall of the groove (3) is provided with a square mounting hole (22) matched with the detachable limiting buckle, a plurality of first detachable limiting buckles (13) and second detachable limiting buckles (14) are clamped and matched with the tool base (1) through the square mounting hole (22), the limiting direction of the first detachable limiting buckle (13) is upward, the first detachable limiting buckle (13) supports the filter screen (10), and the second detachable limiting buckle (14) is arranged above the first detachable limiting buckle (13) and limits downward, thereby limiting the filter screen (10) downward.
4. The water-cooled vacuum suction device according to claim 1, wherein: The vacuum adsorption holes (11) are arranged in an array, the transverse cooling pipes (12) are arranged between two adjacent vacuum adsorption holes (11) in adjacent rows, any adjacent transverse cooling pipes (12) are connected through a connecting head (15), and the transverse cooling pipes (12) at both ends are provided with a water inlet (16) and a water outlet (17).
5. The water-cooled vacuum suction device according to claim 1, wherein: The upper surface of the vacuum adsorption plate (2) is provided with a positioning hole (18), and the positioning hole (18) is matched with a positioning pin (19) to position a product to be processed.
6. The water-cooled vacuum suction device according to claim 1, wherein: The bottom surface of the vacuum adsorption plate (2) is provided with a threaded hole (20), the tool base (1) is provided with a countersunk through hole (21) corresponding to the threaded hole (20), a screw passes through the countersunk through hole (21) and matches with the threaded hole (20), so that the vacuum adsorption plate (2) and the tool base (1) are fixedly installed.