Punching device for film sample preparation for filter film research and development

Abstract

The utility model discloses a stamping device for film sample preparation for filter membrane research and development, which relates to the technical field of filter membrane production and comprises a base, a support is fixed at the upper end of the base, a lifting mechanism is mounted on the support, a stamping head is connected onto the lifting mechanism through an elastic component, and a limit groove is formed in the middle of the upper end face of the base. A stamping die is placed in the limiting groove, an adjusting assembly is installed on the upper end face of the base and located on one side of the limiting groove, and a pressing frame is connected to the adjusting assembly. According to the utility model, through the arrangement of the pressing frame and the design of vacuum adsorption, pressure is uniformly applied from the upper part, and the thin film can be adsorbed and fixed, so that local upwarp or displacement of the thin film is avoided through double fixing measures, the thin film is ensured to be always located at an accurate processing position in the stamping process, and the sample manufacturing precision is greatly improved; and the designed elastic assembly can effectively buffer the impact force at the moment of punching, so that the film is prevented from being damaged due to overlarge impact force, the punching stability is improved, and the sample quality is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to filter membrane production technical field especially, relates to a filter membrane research and development are with film sample punching device. BACKGROUND

[0002] In the research and development process of filter membrane, various specifications of film samples need to be made for performance test, microstructure analysis and the like. The traditional film sample punching device often has some defects, for example, the film is not fixed firmly during the punching process, which can easily cause the film to shift and affect the accuracy of the sample. Moreover, the punching force and stroke control are not accurate enough, which can easily cause the film to be punched too much or not enough, reducing the sample quality.

[0003] The prior art can refer to the Chinese patent with the authorized publication number CN 217345852 U, which discloses a graphene composite nanofiltration membrane research and development film sample punching device, characterized in that: it comprises a workbench, an upper support, a side plate, a double-cylinder translation mechanism, a plastic box body, a sample punching box body, a punch and a punching mechanism. The upper support is located directly above the workbench, and the upper support is connected to the workbench through the side plate. The double-cylinder translation mechanism includes a first cylinder, a second cylinder, a first drive rod and a second drive rod. The top of the workbench is provided with a sliding rail. The first cylinder is installed on one side of the workbench and connected to the first drive rod. The first drive rod is horizontally movably connected in the workbench under the drive of the first cylinder. However, this punching device has the problem that the film is not fixed firmly during the punching process, which can easily cause the film to shift and the film to be punched too much or not enough, reducing the sample quality. Therefore, the present application provides a filter membrane research and development film sample punching device. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies of the prior art, the utility model provides a filter membrane research and development film sample punching device. The pressure frame and vacuum adsorption design not only uniformly press from above, but also adsorb and fix the film. The double fixation measures prevent the film from being partially raised or shifted, ensure that the film is always in the accurate processing position during the punching process, greatly improve the accuracy of sample making, and effectively buffer the impact force at the moment of punching through the designed elastic component, avoid damaging the film due to excessive impact force, improve the punching stability, ensure the sample quality, and overcome the deficiencies of the prior art.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] The utility model provides a kind of stamping device for the film sample of filter membrane research and development, including base, the upper end of the base is fixed with support, the support is installed with lifting mechanism, the lifting mechanism is connected with stamping head by elastic component, the upper end surface of the base is opened with limiting slot in middle part, the stamping die is placed in the limiting slot, the upper end surface of the base and located limiting slot one side is equipped with adjusting assembly, the adjusting assembly is connected with pressure frame, the both ends of the pressure frame are equipped with suction passage, the bottom end of the pressure frame is opened with the suction hole that is perpendicular and communicates with two suction passages at equal distance, two suction passages are connected with vacuumizing component.

[0007] As the further scheme of the utility model: the vacuumizing component includes the U-shaped pipe that is connected in the end of two suction passages, the middle part of U-shaped pipe is connected with vacuumizing pipe by tee joint, one end of vacuumizing pipe is connected to the suction end of vacuum pump, and vacuum pump is fixed on the upper end surface of base.

[0008] As the further scheme of the utility model: the support includes the vertical rod that is fixed on the upper end surface of base both ends, the upper end of two vertical rods is connected with top plate.

[0009] As the further scheme of the utility model: the lifting mechanism includes the hydraulic push rod that is fixed on the lower end surface of top plate in middle part, the lower end of hydraulic push rod is connected with mounting block.

[0010] As the further scheme of the utility model: the elastic component includes the T-shaped pin that is movably inserted in the both sides of mounting block, the part of two T-shaped pins and located below mounting block is sleeved with disc spring, and the stamping head is connected in the lower end of two T-shaped pins.

[0011] As the further scheme of the utility model: the upper end of base and located both sides of limiting slot is provided with positioning pin, the opposite sides of stamping die are connected with support sleeve, and two support sleeves are slidably sleeved on two positioning pins respectively.

[0012] As the further scheme of the utility model: the adjusting assembly includes the L-shaped support rod that is fixed on the upper end surface of base, the horizontal section of L-shaped support rod is screwed with screw rod, the lower end of screw rod is rotatably installed with movable plate through bearing, and movable plate is slidably sleeved on the vertical section of L-shaped support rod.

[0013] As the further scheme of the utility model: the pressure frame is connected in one end of movable plate, and the pressure frame is located above stamping die.

[0014] The utility model has the advantages that:

[0015] Through the setting of the pressing frame and the vacuum adsorption design, not only the uniform pressure is applied from the top, but also the film can be adsorbed and fixed, the double fixing measures avoid the local lifting or displacement of the film, ensure that the film is always in the accurate processing position during the stamping process, greatly improve the precision of sample production, and through the designed elastic component, the impact force in the stamping moment can be effectively buffered, the damage of the film caused by the excessive impact force is avoided, the stamping stability is improved, and the sample quality is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A first perspective view of the overall structure of the film sample stamping device for filter membrane research and development is provided.

[0017] Figure 2 A second perspective view of the overall structure of the film sample stamping device for filter membrane research and development is provided.

[0018] Figure 3 A partial structure schematic view of the film sample stamping device for filter membrane research and development is provided.

[0019] Figure 4 A partial structure schematic view of the film sample stamping device for filter membrane research and development is provided. Figure 2 An enlarged structure schematic view of position A in the film sample stamping device for filter membrane research and development is provided.

[0020] In the figure: 1, base; 2, limiting groove; 3, vertical rod; 4, T-shaped pin; 5, hydraulic push rod; 6, positioning pin; 7, supporting sleeve; 8, pressing frame; 9, stamping die; 10, mounting block; 11, top plate; 12, L-shaped support; 13, vacuum pump; 14, movable plate; 15, U-shaped pipeline; 16, screw rod; 17, stamping head; 18, air suction channel; 19, adsorption hole; 20, vacuum pipe; 21, disc spring. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments.

[0022] Embodiment 1, refer to Figures 1-4The utility model provides a kind of stamping device for the film sample of filter membrane research and development, including base 1, the upper end of base 1 is fixed with support, lifting mechanism is installed on support, and lifting mechanism is connected with stamping head 17 by elastic component on lifting mechanism, the middle part of the upper end surface of base 1 is provided with limiting groove 2, stamping die 9 is placed in limiting groove 2, adjusting assembly is installed on the upper end surface of base 1 and located at the side of limiting groove 2, and pressure frame 8 is connected on adjusting assembly, and air suction passage 18 is arranged in both ends of pressure frame 8, and adsorption hole 19 that is perpendicular and communicates with two air suction passages 18 is arranged at the bottom end of pressure frame 8 equidistantly, and two air suction passages 18 are connected with vacuum pumping assembly.

[0023] Vacuum pumping assembly includes U-shaped pipe 15 connected at the end of two air suction passages 18, and U-shaped pipe 15 is connected with vacuum pumping pipe 20 by three-way joint in the middle part, one end of vacuum pumping pipe 20 is connected to the air suction end of vacuum pump 13, and vacuum pump 13 is fixed on the upper end surface of base 1.

[0024] Support includes vertical rod 3 fixed on the upper end surface of base 1 at both ends, and the upper end of the two vertical rods 3 is connected with top plate 11.

[0025] Lifting mechanism includes hydraulic push rod 5 fixed on the middle part of the lower end surface of top plate 11, and the lower end of hydraulic push rod 5 is connected with mounting block 10.

[0026] The upper end of base 1 and located at both sides of limiting groove 2 is provided with positioning pin 6, and the outer wall of opposite sides of stamping die 9 is connected with support sleeve 7, and two support sleeves 7 are respectively slidably sleeved on two positioning pins 6, and the detachable design of support sleeve 7 and positioning pin 6 facilitates the replacement of different stamping dies 9.

[0027] Adjusting assembly includes L-shaped support rod 12 fixed on the upper end surface of base 1, and the horizontal segment of L-shaped support rod 12 is screwed with screw rod 16, and the lower end of screw rod 16 is rotatably installed with movable plate 14 by bearing, movable plate 14 is slidably sleeved on the vertical segment of L-shaped support rod 12, and pressure frame 8 is connected at one end of movable plate 14, and pressure frame 8 is located above stamping die 9.

[0028] The film to be stamped is laid on stamping die 9, the movable plate 14 is lowered by rotating screw rod 16, so that the edge of the film is pressed by driving pressure frame 8 to move downward, the negative pressure is generated in two air suction passages 18 and adsorption hole 19 by starting vacuum pump 13, the edge of the film is adsorbed, the mounting block 10 is pushed downward by hydraulic push rod 5, so that stamping head 17 is driven to move downward to realize the stamping of the film.

[0029] In the embodiment, the elastic component includes T-shaped pin 4 movably inserted on both sides of mounting block 10, and the part of two T-shaped pins 4 and located below mounting block 10 is sleeved with disc spring 21, and stamping head 17 is connected at the lower end of two T-shaped pins 4

[0030] During the process of the punch head 17 punching the sample, the T-shaped pin 4 slides relative to the mounting block 10, and the disc spring 21 is compressed to buffer the impact force during the punching, thereby avoiding excessive impact on the film.

[0031] The above is only the preferred specific implementation of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A punching device for preparing a film sample for membrane filtration development, comprising a base (1), characterized in that, The upper end of the base (1) is fixed with a support, a lifting mechanism is installed on the support, a stamping head (17) is connected to the lifting mechanism through an elastic assembly, a limiting groove (2) is arranged in the middle of the upper end surface of the base (1), a stamping die (9) is placed in the limiting groove (2), an adjusting assembly is installed on one side of the upper end surface of the base (1) and located at the limiting groove (2), a pressing frame (8) is connected to the adjusting assembly, air suction channels (18) are arranged at both ends of the pressing frame (8), and adsorption holes (19) are arranged at the bottom end of the pressing frame (8) and are perpendicular to and communicate with the two air suction channels (18), and the two air suction channels (18) are connected with a vacuum pumping assembly.

2. The punching device for preparing a film sample for membrane development according to claim 1, wherein The vacuum pumping assembly comprises a U-shaped pipeline (15) connected to the ends of the two air suction channels (18), a vacuum pumping pipe (20) connected to the U-shaped pipeline (15) through a three-way joint, one end of the vacuum pumping pipe (20) connected to the air suction end of a vacuum pump (13), and the vacuum pump (13) fixed on the upper end surface of the base (1).

3. The punching device for preparing a thin film sample for membrane development according to claim 1, wherein The support comprises vertical rods (3) fixed on the upper end surface of the base (1) at both ends, and the upper ends of the two vertical rods (3) are connected with a top plate (11).

4. The punching device for preparing a film sample for membrane development according to claim 3, wherein The lifting mechanism comprises a hydraulic push rod (5) fixed on the middle of the lower end surface of the top plate (11), and the lower end of the hydraulic push rod (5) is connected with a mounting block (10).

5. The punching device for preparing a film sample for membrane development according to claim 4, wherein The elastic assembly comprises T-shaped pins (4) movably inserted into both sides of the mounting block (10), and disc springs (21) are sleeved on the parts below the two T-shaped pins (4), and the stamping head (17) is connected to the lower ends of the two T-shaped pins (4).

6. The punching device for membrane sample preparation according to claim 1, wherein The upper end of the base (1) and located on both sides of the limiting groove (2) is provided with a positioning pin (6), and the outer walls of the opposite sides of the stamping die (9) are connected with support sleeves (7), and the two support sleeves (7) are respectively slidably sleeved on the two positioning pins (6).

7. The punching device for membrane sample preparation according to claim 1, wherein The adjusting assembly comprises an L-shaped support rod (12) fixed on the upper end surface of the base (1), a screw rod (16) screwed on the horizontal section of the L-shaped support rod (12), a movable plate (14) rotatably installed on the lower end of the screw rod (16) through a bearing, and the movable plate (14) is slidably sleeved on the vertical section of the L-shaped support rod (12).

8. The punching device for preparing a film sample for developing a membrane filter according to claim 7, wherein The pressing frame (8) is connected to one end of the movable plate (14), and the pressing frame (8) is located above the stamping die (9).

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