Cutting and positioning device for explosion-proof membrane

Abstract

The utility model discloses a cutting and positioning device for an explosion-proof membrane, which relates to the technical field of cutting and positioning of explosion-proof membranes and comprises a fixed seat, air suction holes are uniformly distributed at the top of a movable frame, the bottom of the fixed seat is fixedly connected with an exhaust fan, an air inlet of the exhaust fan is fixedly communicated with a communicating pipe, and the communicating pipe is fixedly communicated with all valves. An anti-explosion film moving assembly is arranged, an anti-explosion film needing to be cut is placed on the surface of a fixing base, a first motor is started to drive a lead screw to rotate, a sliding block drives a moving frame to slide along a through groove under the action of the lead screw, the moving frame moves to the position below the anti-explosion film, an exhaust fan is started to exhaust air, negative pressure is formed at an air suction hole, and the anti-explosion film is cut. The explosion-proof membrane is adsorbed and fixed, the first motor is started to rotate reversely, the explosion-proof membrane is driven to move towards the cutting knife, automatic moving and positioning of the explosion-proof membrane are achieved, cutting length adjustment can be conveniently controlled through the moving distance of the explosion-proof membrane, use is convenient, and operation is easy.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of cutting and positioning of explosion -proof membrane, specifically to cutting and positioning device of explosion -proof membrane. BACKGROUND

[0002] The explosion -proof membrane is a metal film installed on the upper part of a pressure container to prevent the container from exploding, and is a safety device. It is also called an explosion -proof sheet or a bursting disc. When the pressure in the container exceeds a certain limit, the film is first broken, thereby reducing the pressure in the container and avoiding explosion. The explosion -proof membrane is widely used in pressure containers. The term "explosion -proof membrane" sometimes specifically refers to a front windshield film.

[0003] After searching, the existing public patent number: CN202220092119.6, the public patent name: a cutting and positioning device for multi-angle explosion -proof membrane, including workbench, the upper end of workbench is provided with controller, the controller is electrically connected with external power supply, the left end of workbench is provided with positioning frame, the left end of positioning frame is provided with telescopic rod, the left end of telescopic rod is provided with second positioning frame, the upper end of positioning frame and second positioning frame is provided with slide rod, positioning frame and second positioning frame are connected with slide rod through fixed knob screw thread, the middle part of slide rod is provided with positioning device, the middle part of workbench is provided with electric cylinder, the left end of electric cylinder is provided with telescopic column, the left end of telescopic column is provided with laser cutting device, the lower end of laser cutting device is provided with laser emitter, the electric cylinder is electrically connected with the controller, and the laser cutting device is electrically connected with the controller. Through the arrangement of the utility model, the explosion -proof membrane is cut and positioned, and the practicability of the explosion -proof membrane cutting is improved.

[0004] However, the above-mentioned device needs to be manually fixed on the positioning frame and the second positioning frame during use, and needs to be re-fixed after each cutting, which is more troublesome and inconvenient to operate, and there is room for improvement. UTILITY MODEL CONTENT

[0005] (I) The technical problem solved

[0006] In view of the deficiencies of the prior art, the utility model provides a cutting and positioning device for explosion -proof membrane, which solves the problem of re -fixing after each cutting, which is more troublesome and inconvenient to operate, and there is room for improvement.

[0007] Technical scheme

[0008] In order to achieve the above purpose, the utility model is implemented by the following technical scheme: a cutting and positioning device for explosion -proof membrane, comprising: a fixing seat, the fixing seat is symmetrically provided with supporting legs at the bottom, and an explosion -proof membrane moving assembly is arranged on the fixing seat;

[0009] The anti-explosion film moving assembly comprises a mounting groove formed in the top of the fixing base, a through groove is formed in the bottom of the mounting groove, a first motor is fixedly connected in the through groove, a lead screw is fixedly connected at the output shaft end of the first motor, the lead screw is rotationally connected in the through groove, a sliding block is slidingly connected in the through groove, a moving frame is fixedly connected at the top of the sliding block, air suction holes are uniformly distributed at the top of the moving frame, valves corresponding to the air suction holes are arranged on the one side of the moving frame, a suction fan is fixedly connected at the bottom of the fixing base, a connecting pipe is fixedly connected to the air inlet of the suction fan, and the connecting pipe is fixedly connected with all the valves.

[0010] Preferably, the top of the moving frame is flush with the top of the fixing base, and the through groove is arranged at the central position in the bottom of the mounting groove.

[0011] Preferably, the anti-explosion film moving assembly further comprises a fixing frame fixedly connected to the one side of the fixing base, a second motor is fixedly installed on the one side of the fixing frame, a rotating shaft is fixedly connected at the output shaft end of the second motor, and the rotating shaft is rotationally connected to the one side of the fixing frame.

[0012] Preferably, a width adjusting assembly is arranged on the fixing base, the width adjusting assembly comprises a fixed plate fixedly connected to the top of the fixing base, a fixed block is fixedly connected to the top of the fixing base, a threaded rod is threadedly connected to the surface of the fixed block, a hand wheel is fixedly connected to one end of the threaded rod, and an adjusting plate is rotationally connected to the other end of the threaded rod.

[0013] Preferably, a cutting assembly is arranged on the top of the fixing base, the cutting assembly comprises a limiting groove formed in the top of the fixing base, a lower cutting knife is clamped in the limiting groove, a positioning frame is fixedly connected to the top of the fixing base, an electric push rod is fixedly connected to the surface of the positioning frame, a lifting plate is fixedly connected to the extension end of the electric push rod, an upper cutting knife is fixedly connected to the bottom of the lifting plate, and the upper cutting knife is arranged directly above the lower cutting knife.

[0014] Preferably, fixed rods are symmetrically arranged on the surface of the lifting plate, telescopic rods are slidingly connected to the bottom of the fixed rods, a moving plate is fixedly connected to the bottom of the telescopic rods, and springs are fixedly connected between the moving plate and the lifting plate.

[0015] Preferably, the length of the moving plate is the same as the length of the upper cutting knife, and the length of the upper cutting knife is the same as the length of the moving frame.

[0016] Beneficial effects

[0017] Compared with the prior art, the cutting and positioning device for anti-explosion film provided by the utility model has at least the following beneficial effects:

[0018] The anti-explosion film moving assembly is arranged, the anti-explosion film to be cut is placed on the surface of the fixing base, the first motor is started to drive the screw rod to rotate, the sliding block is driven to slide along the through groove under the action of the screw rod, the moving frame is moved to the position below the anti-explosion film, the air extractor is started, the air extractor extracts air, negative pressure is formed at the air suction hole, the anti-explosion film is adsorbed and fixed, the first motor is reversed, the anti-explosion film is moved to the cutting knife, the automatic movement and positioning of the anti-explosion film are realized, the length of the cutting is controlled by the moving distance of the anti-explosion film, the cutting is adjusted, the use is convenient, and the operation is simple. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a structural schematic view of the bottom of the fixed plate of the utility model;

[0020] Figure 2 It is a structural schematic view of the anti-explosion film moving assembly of the utility model;

[0021] Figure 3 It is a structural schematic view of the utility model;

[0022] Figure 4 It is a structural schematic view of the cutting assembly of the utility model.

[0023] In the drawing: 1, fixed base; 2, supporting leg; 3, anti-explosion film moving assembly; 301, mounting groove; 302, through groove; 303, first motor; 304, screw rod; 305, sliding block; 306, moving frame; 307, air suction hole; 308, valve; 309, air extractor; 310, communication pipe; 311, fixed frame; 312, second motor; 313, rotating shaft; 4, width adjusting assembly; 401, fixed plate; 402, fixed block; 403, threaded rod; 404, hand wheel; 405, adjusting plate; 5, cutting assembly; 501, limiting groove; 502, positioning frame; 503, electric push rod; 504, lifting plate; 505, upper cutting knife; 506, fixed rod; 507, telescopic rod; 508, spring; 509, moving plate. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0025] Embodiment one:

[0026] Please refer to Figures 1-4The present invention provides a technical solution: a fixed base 1, with supporting legs 2 symmetrically arranged at the bottom of the fixed base 1, and an explosion-proof film moving assembly 3 arranged on the fixed base 1;

[0027] The explosion-proof membrane moving assembly 3 includes a mounting groove 301 opened at the top of the fixed base 1, a through groove 302 opened at the bottom of the mounting groove 301, a first motor 303 fixedly connected in the through groove 302, a lead screw 304 fixedly connected at the output shaft end of the first motor 303, the lead screw 304 rotatably connected in the through groove 302, a slider 305 slidably connected in the through groove 302, a moving frame 306 fixedly connected at the top of the slider 305, air suction holes 307 evenly distributed at the top of the moving frame 306, and valves 308 corresponding to and connected to the air suction holes 307 respectively on one side of the moving frame 306. A fan 309 is fixedly connected at the bottom of the fixed base 1, and a connecting pipe 310 is fixedly connected to the air inlet of the fan 309. The connecting pipe 310 is fixedly connected to all the valves 308.

[0028] Analysis of the above: An explosion-proof film moving assembly 3 is installed. The explosion-proof film to be cut is placed on the surface of the fixed base 1. The first motor 303 is started, driving the lead screw 304 to rotate. Under the action of the lead screw 304, the slider 305 drives the moving frame 306 to slide along the through groove 302, moving the moving frame 306 to below the explosion-proof film. The exhaust fan 309 is started, drawing out air and creating negative pressure at the suction hole 307, adsorbing and fixing the explosion-proof film. The first motor 303 is then started in reverse, moving the explosion-proof film towards the cutting blade, realizing automatic movement and positioning of the explosion-proof film. This allows for easy control of the cutting length by adjusting the movement distance of the explosion-proof film, making it convenient and simple to use. The valve 308 controls the opening or closing of the corresponding suction hole 307, facilitating the adsorption and fixing of explosion-proof films of different widths.

[0029] Example 2:

[0030] Please see Figures 1-4 Based on Embodiment 1, this utility model provides a technical solution: the top of the movable frame 306 is flush with the top of the fixed base 1, and the through groove 302 is located at the center of the bottom of the mounting groove 301.

[0031] Analysis of the above content: The top of the movable frame 306 is flush with the top of the fixed base 1 to avoid affecting the sliding of the adjusting plate 405.

[0032] Example 3:

[0033] Please see Figures 1-4The utility model discloses based on example one provides a technical scheme: the fixed frame 311 one side fixed mounting has the second motor 312, and the second motor 312 output shaft end fixed connection has the rotating shaft 313, and the rotating shaft 313 rotation is connected to the fixed frame 311 one side.

[0034] The above content analysis: the explosion -proof film roll is inserted rotating shaft 313, needs to cut the explosion -proof film, and the second motor 312 drives rotating shaft 313 to rotate, to make explosion -proof film roll rotate, and the movement of auxiliary explosion -proof film.

[0035] Example four:

[0036] Please refer to Figures 1-4 The utility model discloses based on example one provides a technical scheme: the fixed seat 1 is provided with width adjustment subassembly 4, and width adjustment subassembly 4 includes the fixed plate 401 fixed connection in the top of fixed seat 1, and the fixed block 402 fixed connection has in the top of fixed seat 1, and the fixed block 402 surface screw thread connection has the threaded rod 403, and the threaded rod 403 one end fixed connection has the hand wheel 404, and the threaded rod 403 other end rotation is connected with the adjusting plate 405.

[0037] The above content analysis: rotating hand wheel 404 drives threaded rod 403 to rotate, and the rotation of threaded rod 403 makes adjusting plate 405 move along the width direction of fixed seat 1, to adjust the interval of adjusting plate 405 and fixed plate 401, and the width of the explosion -proof film is positioned to different, is convenient for the positioning cutting of explosion -proof film.

[0038] Example five:

[0039] Please refer to Figures 1-4 The utility model discloses based on example one provides a technical scheme: the fixed seat 1 top is provided with cutting assembly 5, and cutting assembly 5 includes the limiting slot 501 set up in the top of fixed seat 1, and the lower cutting knife is clamped in the limiting slot 501, and the fixed seat 1 top fixed connection has the positioning frame 502, and the positioning frame 502 surface fixed connection has the electric push rod 503, and the electric push rod 503 telescopic end fixed connection has the lifting plate 504, and the lifting plate 504 bottom fixed connection has the upper cutting knife 505, and the upper cutting knife 505 sets up in the upper of lower cutting knife.

[0040] The above content analysis: the electric push rod 503 starts, drives lifting plate 504 to move down, to make upper cutting knife 505 move down, and the explosion -proof film is cuted with lower cutting knife cooperation. Setting limiting slot 501 is fixed and installed to lower cutting knife, is convenient for replacing lower cutting knife.

[0041] Example six:

[0042] Please refer to Figures 1-4The utility model discloses a technical scheme based on example one: fixed rod 506 is provided on the surface of lifting plate 504, and the bottom of fixed rod 506 is slidably connected with telescopic rod 507, the bottom of telescopic rod 507 is fixedly connected with moving plate 509, and spring 508 is fixedly connected between moving plate 509 and lifting plate 504.

[0043] The above content is analyzed: when lifting plate 504 moves down, moving plate 509 first contacts the explosion-proof film, lifting plate 504 continues to descend, moving plate 509 drives telescopic rod 507 to move towards fixed rod 506, and spring 508 is extruded through the movement of moving plate 509, so that moving plate 509 is always in contact with the explosion-proof film under the action of spring 508, the explosion-proof film is extruded and fixed, and the explosion-proof film is prevented from shaking during cutting.

[0044] It should be noted that in this paper, relational terms such as first and second are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0045] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A cutting positioning device for an explosion-proof membrane, characterized in that Include: Fixed seat (1), the bottom of the fixed seat (1) is symmetrically provided with support leg (2), the fixed seat (1) is provided with explosion-proof membrane moving assembly (3); The explosion-proof membrane moving assembly (3) includes the installation slot (301) opened in the top of the fixed seat (1), the through slot (302) is opened in the bottom of the installation slot (301), the first motor (303) is fixedly connected in the through slot (302), the output shaft end of the first motor (303) is fixedly connected with the lead screw (304), the lead screw (304) is rotatably connected in the through slot (302), the sliding block (305) is slidably connected in the through slot (302), the moving frame (306) is fixedly connected to the top of the sliding block (305), the moving frame (306) is uniformly distributed with the air suction hole (307) on the top, the moving frame (306) is provided with the valve (308) corresponding to the air suction hole (307) on one side, the fixed seat (1) is fixedly connected with the air extractor (309), the air extractor (309) is fixedly communicated with the communication pipe (310), the communication pipe (310) is fixedly communicated with all the valves (308).

2. A cutting and positioning device for an explosion-proof membrane according to claim 1, characterized in that: The top of the moving frame (306) is flush with the top of the fixed seat (1), and the through slot (302) is arranged at the central position in the bottom of the installation slot (301).

3. The cutting and positioning device of an explosion-proof membrane according to claim 1, characterized in that: The explosion-proof membrane moving assembly (3) further includes the fixed frame (311) fixedly connected to one side of the fixed seat (1), the second motor (312) is fixedly installed on one side of the fixed frame (311), the output shaft end of the second motor (312) is fixedly connected with the rotating shaft (313), and the rotating shaft (313) is rotatably connected to one side of the fixed frame (311).

4. The cutting and positioning device of an explosion-proof membrane according to claim 1, characterized in that: The fixed seat (1) is provided with width adjusting assembly (4), the width adjusting assembly (4) includes the fixed plate (401) fixedly connected to the top of the fixed seat (1), the fixed block (402) is fixedly connected to the top of the fixed seat (1), the surface of the fixed block (402) is threadedly connected with the threaded rod (403), one end of the threaded rod (403) is fixedly connected with the hand wheel (404), and the other end of the threaded rod (403) is rotatably connected with the adjusting plate (405).

5. The cutting and positioning device of an explosion-proof membrane according to claim 1, characterized in that: The fixed seat (1) is provided with cutting assembly (5), the cutting assembly (5) includes the limiting groove (501) opened in the top of the fixed seat (1), the lower cutting knife is clamped in the limiting groove (501), the fixed seat (1) is fixedly connected with the positioning frame (502), the surface of the positioning frame (502) is fixedly connected with the electric push rod (503), the telescopic end of the electric push rod (503) is fixedly connected with the lifting plate (504), the bottom of the lifting plate (504) is fixedly connected with the upper cutting knife (505), and the upper cutting knife (505) is arranged directly above the lower cutting knife.

6. A cutting and positioning device for an explosion-proof membrane according to claim 5, characterized in that: The lifting plate (504) is symmetrically provided with a fixed rod (506) on the surface, the bottom of the fixed rod (506) is slidably connected with a telescopic rod (507), the bottom of the telescopic rod (507) is fixedly connected with a moving plate (509), and the moving plate (509) is fixedly connected with the lifting plate (504) and the spring (508).

7. A cutting and positioning device for an explosion-proof membrane according to claim 6, characterized in that: The length of the moving plate (509) is same as the length of the upper cutting knife (505), and the length of the upper cutting knife (505) is same as the length of the moving frame (306).

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