High-precision explosion-proof stepping peristaltic pump

Abstract

The utility model belongs to peristaltic pump technical field, concretely is a kind of high-precision explosion-proof stepping peristaltic pump, including cabinet, explosion-proof box, explosion-proof stepping motor and peristaltic pump head, the back of explosion-proof box is fixedly connected with multiple supporting feet, the side of explosion-proof box is equipped with multiple wiring ports, wiring port is connected with explosion-proof input power line and explosion-proof output power line, explosion-proof cover plate is fixedly connected with the side of explosion-proof box away from supporting foot by connecting flange, explosion-proof box is fixedly connected with bearing plate inside.The utility model reaches the effect of explosion-proof by moving all electrical equipment to explosion-proof box, only one stepping explosion-proof motor and transmission structure in the cabinet, adopt new motor support fixed mode and new pump head and motor connection mode, make structure more simple, motor transmission mechanism can be adjusted position freely in horizontal direction, it is convenient to replace other different pump head or motor, with good compatibility, improve the compatibility and modularity of product.

Description

TECHNICAL FIELD

[0001] The utility model relates to peristaltic pump technical field especially relates to a high accuracy anti -explosion stepping peristaltic pump. BACKGROUND

[0002] Peristaltic pump is composed of three parts: driver, pump head and hose. Peristaltic pump can isolate fluid in pump pipe, has the characteristics such as quick replacement pump pipe, fluid reversible, can dry running and low maintenance cost and is widely applied.

[0003] But the existing anti -explosion peristaltic pump mounting structure is more fixed, lacks the adaptation ability of other pump head or motor, modular function. So as to influence the use demand of diversity that cannot use one machine case, reach the purpose of reducing the cost. Meanwhile, lack certain anti -explosion effect. So as to influence the safety guarantee of doing work in the area with flammable and explosive risk. UTILITY MODEL CONTENTS

[0004] The utility model discloses a high accuracy anti -explosion stepping peristaltic pump to solve the problem of lacking certain anti -explosion measures in the peristaltic pump in the background art.

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

[0006] A kind of high accuracy anti -explosion stepping peristaltic pump, including machine case, explosion-proof box, anti -explosion stepping motor and peristaltic pump head, the back of the explosion-proof box is fixedly connected with multiple support feet, one side of the explosion-proof box is equipped with multiple wiring ports, the wiring port is connected with anti -explosion input power line and anti -explosion output power line, the side away from support foot of the explosion-proof box is fixedly connected with explosion-proof cover plate by connecting flange, the explosion-proof box is fixedly connected with bearing plate, one side of the bearing plate is fixedly connected with control panel, switching power supply, driver and terminal, the explosion-proof box is equipped with screen control board, power indicator, speed regulating potentiometer, power button and three-gear switch, the explosion-proof cover plate is equipped with multiple installation ports corresponding to power indicator, speed regulating potentiometer, power button and three-gear switch respectively, the explosion-proof cover plate is equipped with acrylic window corresponding to screen control board;

[0007] The anti -explosion stepping motor is fixedly connected with the inside of machine case, the output of the driver is connected with the input of the anti -explosion stepping motor by anti -explosion output power line, the output of the anti -explosion stepping motor is fixedly connected with shaft coupling, one end away from the anti -explosion stepping motor of the shaft coupling is fixedly connected with the input of peristaltic pump head, the end close to the shaft coupling of the anti -explosion stepping motor is fixedly connected with connecting plate, one side of the connecting plate away from the anti -explosion stepping motor is connected with mounting plate by multiple screw rods, one side of the mounting plate is fixedly connected with peristaltic pump head.

[0008] Preferably, a mounting frame corresponding to the explosion-proof stepping motor is fixedly connected in the case.

[0009] Preferably, a handle is fixedly connected to the top of the case.

[0010] Preferably, a wire passing port corresponding to the explosion-proof stepping motor is arranged on one side of the case.

[0011] Preferably, the peristaltic pump head comprises a support plate, a quick-release plate, a roller assembly and a flip cover, one side of the quick-release plate is fixedly connected with the support plate, the roller assembly is rotationally connected with the support plate, a protective shell is arranged on the side of the roller assembly away from the support plate, and the flip cover is rotationally connected with the top of the support plate.

[0012] Preferably, a plurality of pipe clamps are connected to the inner bottom of the support plate through a screw adjusting mechanism.

[0013] Compared with the prior art, the utility model has the advantages of the following beneficial effects:

[0014] In the utility model, all electrical equipment is moved outside to the explosion-proof box, only a stepping explosion-proof motor and a transmission structure are arranged in the case, the explosion-proof effect can be achieved, a novel motor support fixing mode and a novel pump head and motor connecting mode are adopted, the structure is simpler, the motor transmission mechanism can be freely adjusted in the horizontal direction, other different pump heads or motors can be conveniently replaced, good compatibility is achieved, the product compatibility and modularity are improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 A high-precision explosion-proof stepping peristaltic pump is provided in the utility model, and a three-dimensional structure schematic view is shown in the figure.

[0016] Figure 2 An internal structure schematic view of a case in a high-precision explosion-proof stepping peristaltic pump is provided in the utility model.

[0017] Figure 3 An internal structure schematic view of a peristaltic pump head in a high-precision explosion-proof stepping peristaltic pump is provided in the utility model.

[0018] Figure 4 An internal structure schematic view of an explosion-proof box in a high-precision explosion-proof stepping peristaltic pump is provided in the utility model.

[0019] In the figure: 1 cabinet, 2 explosion-proof stepper motor, 3 peristaltic pump head, 301 support plate, 302 quick release plate, 303 roller assembly, 304 flip cover, 305 protective shell, 306 threaded adjustment mechanism, 307 pipe clamp, 4 coupling, 5 connecting plate, 6 screw rod, 7 mounting plate, 8 handle, 9 explosion-proof box, 10 support foot, 11 wiring port, 12 connecting flange, 13 explosion-proof cover plate, 14 bearing plate, 15 control panel, 16 switching power supply, 17 wiring terminal, 18 screen control panel, 19 power indicator light, 20 speed regulating potentiometer, 21 power button, 22 three-gear switch, 23 acrylic window, 24 explosion-proof input power line, 25 explosion-proof output power line, 26 driver, 27 mounting rack. DETAILED DESCRIPTION

[0020] 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.

[0021] Reference Figures 1-4 A high-precision explosion-proof stepper peristaltic pump, comprising a cabinet 1, an explosion-proof box 9, an explosion-proof stepper motor 2 and a peristaltic pump head 3, a plurality of support feet 10 are fixedly connected to the back of the explosion-proof box 9, a plurality of wiring ports 11 are arranged on one side of the explosion-proof box 9, the wiring ports 11 are connected with an explosion-proof input power line 24 and an explosion-proof output power line 25, an explosion-proof cover plate 13 is fixedly connected to the side, away from the support feet 10, of the explosion-proof box 9 through a connecting flange 12, a bearing plate 14 is fixedly connected in the explosion-proof box 9, a control panel 15, a switching power supply 16 and a wiring terminal 17 are fixedly connected to one side of the bearing plate 14, a screen control panel 18, a power indicator light 19, a speed regulating potentiometer 20, a power button 21, a driver 26 and a three-gear switch 22 are arranged in the explosion-proof box 9, a plurality of mounting ports corresponding to the power indicator light 19, the speed regulating potentiometer 20, the power button 21 and the three-gear switch 22 are arranged on the explosion-proof cover plate 13, and an acrylic window 23 corresponding to the screen control panel 18 is arranged on the explosion-proof cover plate 13.

[0022] In the embodiment, one end of the explosion-proof input power line 24 is connected with a power supply, the other end of the explosion-proof input power line 24 enters the wiring port 11 on one side of the explosion-proof box 9, the explosion-proof power line supplies 220V voltage for use of the product, and is connected with the wiring terminal 17, the wiring terminal 17 is connected with the switching power supply 16, the switching power supply 16 converts the input 220V voltage into a direct current 24V voltage that can be used for the product, the switching power supply 16 is connected with the control panel 15, the control panel 15 is responsible for receiving the electric signal transmitted by the control unit and translating the electric signal into an electric signal that can be interpreted by the driver, and all the control units (the power button 21, the three-gear switch 22, the speed regulating potentiometer 20 and the screen control panel 18) are finally connected to the control panel 15.

[0023] In this embodiment, the power button 21 is responsible for opening and closing the power supply, realizing the start and stop of the device; the three-gear switch 22 can adjust three gears, forward rotation, zero position and reverse rotation; forward and reverse rotation can change the forward and reverse rotation of the explosion-proof stepping motor 2, which changes the direction of the peristaltic pump conveying fluid; the zero position, the signal of the conveying is zero, the explosion-proof stepping motor 2 stops working, and the device stops; the speed potentiometer 20 realizes the function of adjusting the speed of the explosion-proof stepping motor 2, which can change the flow of the peristaltic pump conveying fluid;

[0024] In this embodiment, a wire feeds the speed electric signal on the control panel 15 to the screen control panel 18, and the screen displays the speed of the explosion-proof stepping motor 2; the control panel 15 feeds the power-on electric signal to the power indicator 19, and the indicator lights up when the power is on and does not light up when the power is off; the control panel 15 is connected to the driver 26, the driver 26 is connected to the explosion-proof stepping motor 2 through the explosion-proof output power line 25; the control panel 15 receives all electric signals sent by the conversion control unit and delivers them to the driver, and the driver controls the explosion-proof stepping motor 2 by changing the frequency of the current to realize the instructions that the device wants to complete.

[0025] In this embodiment, the top of the case 1 is fixedly connected with a handle 8, which facilitates the movement of the case 1, the explosion-proof stepping motor 2 is fixedly connected with the inside of the case 1, the output end of the terminal 17 is connected with the input end of the explosion-proof stepping motor 2, and one side of the case 1 is provided with a wire passing port corresponding to the explosion-proof stepping motor 2, which facilitates wiring of the explosion-proof stepping motor 2;

[0026] In this embodiment, the case 1 is fixedly connected with a mounting frame 27 corresponding to the explosion-proof stepping motor 2, the output end of the explosion-proof stepping motor 2 is fixedly connected with a shaft coupling 4 for driving the roller assembly 303 to rotate, and the end, away from the explosion-proof stepping motor 2, of the shaft coupling 4 is fixedly connected with the input end of the peristaltic pump head 3;

[0027] In this embodiment, the end, close to the shaft coupling 4, of the explosion-proof stepping motor 2 is fixedly connected with a connecting plate 5, the side, away from the explosion-proof stepping motor 2, of the connecting plate 5 is connected with a mounting plate 7 through a plurality of screw rods 6, and one side of the mounting plate 7 is fixedly connected with the peristaltic pump head 3. By replacing screw rods 6 of different lengths, the product is compatible with other pump heads or motors, which is more convenient and faster.

[0028] In this embodiment, the peristaltic pump head 3 comprises a support plate 301, a quick-release plate 302, a roller assembly 303 and a flip cover 304, one side of the quick-release plate 302 is fixedly connected with the support plate 301, the roller assembly 303 is rotatably connected with the support plate 301, the side, away from the support plate 301, of the roller assembly 303 is provided with a protective shell 305, and the flip cover 304 is rotatably connected with the top of the support plate 301; a plurality of pipe clamps 307 are connected with the inner bottom of the support plate 301 through a screw thread adjusting mechanism 306;

[0029] In the embodiment, the design of the flip cover 304 is a linkage mechanism. When the cover is opened, the fixing block of the hose is also loosened. The hose can be easily opened and closed with one hand, realizing more convenient and fast replacement of the hose; the design of the pipe clamp 307 is adjustable, which can be suitable for various pipe diameters; the setting of the quick release plate 302 makes the pump head as a whole can be quickly disassembled, which is convenient for future cleaning, replacement and maintenance.

[0030] In the embodiment, by moving all electrical equipment outside the explosion-proof box, only a stepping explosion-proof motor and a transmission structure are arranged in the case, so that the explosion-proof effect can be achieved; meanwhile, a new motor support fixing mode and a new pump head and motor connection mode are adopted, so that the structure is simpler, the motor transmission mechanism can be freely adjusted in the horizontal direction, other different pump heads or motors are convenient to replace, good compatibility is achieved, and the product compatibility and modularity are improved.

[0031] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this. Any person skilled 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 within the protection scope of the present application.

Claims

1. A high-precision explosion-proof stepping peristaltic pump, comprising a machine box (1), an explosion-proof box (9), an explosion-proof stepping motor (2) and a peristaltic pump head (3), characterized in that: The back of the explosion-proof box (9) is fixedly connected with a plurality of supporting feet (10), one side of the explosion-proof box (9) is provided with a plurality of wiring ports (11), the wiring ports (11) are connected with explosion-proof input power lines (24) and explosion-proof output power lines (25), the side of the explosion-proof box (9) away from the supporting feet (10) is fixedly connected with an explosion-proof cover plate (13) through a connecting flange (12), the explosion-proof box (9) is fixedly connected with a bearing plate (14) inside, one side of the bearing plate (14) is fixedly connected with a control panel (15), a switching power supply (16) and a wiring terminal (17), the explosion-proof box (9) is provided with a screen control panel (18), a power indicator light (19), a speed regulating potentiometer (20), a power button (21), a driver (26) and a three-gear switch (22), the explosion-proof cover plate (13) is provided with a plurality of mounting ports corresponding to the power indicator light (19), the speed regulating potentiometer (20), the power button (21) and the three-gear switch (22) respectively, and the explosion-proof cover plate (13) is provided with an acrylic window (23) corresponding to the screen control panel (18); The explosion-proof stepper motor (2) is fixedly connected with the inside of the case (1), the output end of the driver (26) is connected with the input end of the explosion-proof stepper motor (2), the output end of the explosion-proof stepper motor (2) is fixedly connected with a shaft coupling (4), one end of the shaft coupling (4) away from the explosion-proof stepper motor (2) is fixedly connected with the input end of the peristaltic pump head (3), one end of the explosion-proof stepper motor (2) close to the shaft coupling (4) is fixedly connected with a connecting plate (5), one side of the connecting plate (5) away from the explosion-proof stepper motor (2) is connected with a mounting plate (7) through a plurality of screw rods (6), and one side of the mounting plate (7) is fixedly connected with the peristaltic pump head (3).

2. The high-precision explosion-proof peristaltic pump according to claim 1, characterized in that: The case (1) is fixedly connected with a mounting frame (27) corresponding to the explosion-proof stepper motor (2) inside.

3. The high-precision explosion-proof peristaltic pump according to claim 1, characterized in that: The top of the case (1) is fixedly connected with a handle (8).

4. The high-precision explosion-proof peristaltic pump according to claim 1, characterized in that: One side of the case (1) is provided with a wire passing port corresponding to the explosion-proof stepper motor (2).

5. The high-precision explosion-proof peristaltic pump according to claim 1, characterized in that: The peristaltic pump head (3) comprises a supporting plate (301), a quick-release plate (302), a roller assembly (303) and a flip cover (304), one side of the quick-release plate (302) is fixedly connected with the supporting plate (301), the roller assembly (303) is rotationally connected with the supporting plate (301), the side of the roller assembly (303) away from the supporting plate (301) is provided with a protective shell (305), and the flip cover (304) is rotationally connected with the top of the supporting plate (301).

6. A high precision explosion-proof peristaltic pump according to claim 5, characterized in that: The inner bottom of the supporting plate (301) is connected with a plurality of pipe clamps (307) through a threaded adjusting mechanism (306).

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