Double-roller type hose pump structure

Abstract

The invention discloses a double-roller type hose pump structure. A hose pump comprises a pump head assembly, a gear reducer, a universal joint coupler and a motor. The motor provides power for the whole hose pump, an input shaft of the gear reducer is fixedly connected with an output shaft of the motor, and power of the motor is transmitted through the gear reducer to drive the pump head assembly to rotate. The pump head assembly is connected with an output shaft of the gear reducer through a universal joint coupling, and meanwhile the gear reducer transmits power to the pump head assembly through the universal joint coupling. Compared with the prior art, the structural mode that the pump head assembly synchronously rolls and extrudes the rollers is adopted, the hose is vertically arranged, the requirement for up-down conveying of high-viscosity energetic fluid is met, the deformation of the hose can be reduced by adopting the mode that the contour wheels roll, and the installation requirement of special application occasions for the hose pump is met; and meanwhile, the roller type hose pump structure is not a closed space, the heat dissipation performance is good, heat is further reduced, and the service life of the hose is prolonged.

Description

Technical Field

[0001] The present invention relates to the field of hose pumps, and particularly to a structure of a roller-type hose pump. Background Art

[0002] High-viscosity fluids refer to liquids with a very large viscosity coefficient and a great resistance during flow. High-viscosity fluids are widely used in many industries such as food, chemical, pharmaceutical, construction, and explosives. For example, in food processing, high-viscosity slurries need to be stirred and heated; in chemical production, the transportation and heating processes of high-viscosity polymer solutions are of great significance for optimizing production processes, improving product quality, and saving energy. In the explosives industry, high-viscosity fluids need to be safely and accurately transported for feeding.

[0003] Traditional pump devices such as centrifugal pumps and piston pumps have many problems when transporting high-viscosity, solid-particle-containing, or corrosive media, such as being prone to blockage, severe wear, unstable flow rate, and difficult cleaning.

[0004] Peristaltic pumps transport fluids by squeezing hoses, avoiding this mechanical contact, thereby reducing wear and extending the equipment life. In addition, peristaltic pumps can provide precise flow control, which is of great significance for energetic fluids that require strict control of the fluid delivery volume.

[0005] However, although the peristaltic pumps in the prior art solve the above problems to a certain extent, there are still problems such as the hose being curved in an arc shape at the pump head. For example, a reverse "U" type arrangement is mostly adopted and the delivery hose is horizontally arranged. This method is contrary to the up-and-down transportation of high-viscosity energetic fluids, restricting its development and application in the transportation of high-viscosity energetic fluids; the single roller squeezing the hose causes uneven local stress and poor durability; the transportation efficiency is not high; and the applicable scenarios are limited when the hose is horizontally arranged during the installation of the peristaltic pump. To solve these problems, the present invention provides a structure of a roller-type peristaltic pump. Summary of the Invention

[0006] In view of the above problems, in order to reduce the danger caused by the working friction heat of the hose pump in special application fields (such as the transportation of high-viscosity energetic fluids); to solve the demand for vertical installation of hoses in some application fields, the present invention discloses a roller-type hose pump, which mainly consists of a pump head, a gear reduction box, and a motor. On the premise of having the functions that a hose pump should have, the roller-type pump head adopts a new structural form of double-roller counter-rolling extrusion for transportation.

[0007] The technical solution for achieving the object of the present invention is: a structure of a pair-roll hose pump, the hose pump includes a pump head assembly, a gear reduction box, a universal joint coupling, and a motor; the motor provides power for the entire hose pump, the input shaft of the gear reduction box is fixedly connected to the output shaft of the motor, and the power of the motor is transmitted through the gear reduction box to drive the pump head assembly to rotate; the pump head assembly is connected to the output shaft of the gear reduction box through a universal joint coupling, and at the same time, the gear reduction box transmits power to the pump head assembly through the universal joint coupling.

[0008] Compared with the prior art, the present invention has the following remarkable advantages:

[0009] The pair-roll hose pump of the present invention adopts a structural method of synchronous pair-roll rolling extrusion of the pump head assembly, with the hose vertically arranged, which is helpful for the requirements of up and down conveying of high-viscosity energy-containing fluids, and the method of using a profiling wheel pair-roll can reduce the deformation amount of the hose. At the same time, the structure of the roll-type hose pump of the present invention is not a closed space, has good heat dissipation, thereby reducing heat generation and increasing the service life of the hose. Brief Description of the Drawings

[0010] Figure 1 is a schematic diagram of the structure of the pair-roll hose pump;

[0011] Figure 2 is a schematic diagram of the external structure of the pump head assembly;

[0012] Figure 3 is a schematic diagram of the internal structure of the pump head assembly;

[0013] Figure 4 is a schematic diagram of the structure of the sprocket assembly;

[0014] Figure 5 is a schematic diagram of the structure of the chain assembly. Detailed Description of the Preferred Embodiments

[0015] The present invention will be described in detail below with reference to the above-mentioned drawings. It should be noted that the following detailed description is exemplary and is intended to provide further description of the present invention. Unless otherwise specified, all technical and scientific terms used herein have the same meaning as commonly understood by those of ordinary skill in the technical field to which the present invention belongs.

[0016] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments of the present invention. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or other combinations.

[0017] A pair-roll hose pump, the structural drawings thereof are asFigure 1 As shown in the figure, it mainly includes a pump head assembly 1, a gear reduction box 2, a universal joint coupling 3, and a motor 4.

[0018] The motor 4 provides power for the entire hose pump. There is a fixed connection between the input shaft of the gear reduction box 2 and the output shaft of the motor 4, and the power of the motor 4 is transmitted through the gear reduction box 2 to drive the pump head assembly 1 to rotate. The output shafts of the pump head assembly 1 and the gear reduction box 2 are connected by a universal joint coupling 4. At the same time, the gear reduction box 2 transmits power to the pump head assembly 1 through the universal joint coupling 4.

[0019] The pump head assembly 1 includes: a left pump head 1-1, a right pump head 1-2, a hose 1-3, a hose clamp 1-4, and an adjustable buckle 1-6. The left pump head 1-1 and the right pump head 1-2 are connected by an adjustable buckle 1-6 and the spacing is adjusted. The hose 1-3 passes vertically through the middle of the left pump head 1-1 and the right pump head 1-2. The hose 1-3 is fixedly connected to the housing assemblies of the left pump head 1-1 and the right pump head 1-2 through the hose clamp 1-4. Its structural drawings are as shown in Figure 2 and Figure 3 shown. The adjustable buckle 1-6 can adjust the spacing between the left and right pump heads according to the difference in the model diameter of the hose 1-3.

[0020] The structures of the left pump head 1-1 and the right pump head 1-2 are axisymmetric. The left pump head 1-1 or the right pump head 1-2 includes a housing assembly and a sprocket assembly 1-5, and the sprocket assembly 1-5 is fixedly installed on the housing assembly.

[0021] As Figure 3 shown, the sprocket assembly 1-5 includes a chain assembly 1-7, a guide plate 1-8, and a profiling wheel assembly 1-9. The chain assembly 1-7 includes two sprockets and a chain; the two guide plates 1-8 form a frame of the sprocket assembly through a connecting rod 1-11, and the guide plate 1-8 is fixedly installed with the housing assembly 1-10; the two sprockets in the chain assembly 1-7 are rotatably installed on the guide plate 1-8, and synchronous rotation between the two sprockets is achieved through the chain; the main shaft of the driving sprocket is fixedly connected to the output shaft of the gear reduction box 2;

[0022] Groove guides are provided on the opposite surfaces of the two guide plates 1-8 to regulate the movement of the profiling wheel 1-9-1 in the profiling wheel assembly 1-9 along the designed trajectory of the groove guide.

[0023] The profiling wheel assembly 1-9 includes a profiling wheel 1-9-1, a profiling wheel bracket 1-9-2, rollers 1-9-4 and a rotating shaft 1-9-3. One end of the profiling wheel 1-9-1 is rotatably connected to the profiling wheel connecting member 1-9-2 through the rotating shaft 1-9-3. At both ends of the rotating shaft 1-9-3 protruding from the end of the profiling wheel connecting member 1-9-2, the rollers 1-9-4 are rotatably installed. Furthermore, the rollers 1-9-4 cooperate with the groove guide on the guide plate. The profiling wheel bracket 1-9-2 is fixedly connected to the link of the chain. As the chain rotates, it drives the profiling wheel 1-9-1 to move and move along the groove guide.

[0024] The gear reduction box 2 includes a gear box housing and transmission parts. The gear reduction box 2 has two output shafts with opposite rotation directions. The two output shafts are respectively connected to the input shafts of the left pump head 1-1 and the right pump head 1-2 through universal joint couplings 3. Its function is not only to transmit the motor power to the pump head, but also to provide rotational torques with different rotation directions and the same rotational speed for the two parts of the left pump head 1-1 and the right pump head 1-2.

[0025] The present invention discloses a structure of a pair-roller hose pump, and its working process includes the following steps:

[0026] S1: Manually open the adjustable buckle 1-6 on the housing assembly.

[0027] S2: Insert the hose of the hose pump between the left pump head 1-1 and the right pump head 1-2 and fix it at both ends with hose clamps 1-4.

[0028] S3: Manually close the adjustable buckle 1-6 on the housing assembly.

[0029] S4: Start the motor. The motor drives the sprocket assembly 1-5 in the pump head to rotate through the reduction box and the universal joint coupling.

[0030] The working principle of the pair-roller hose pump is as follows: After the torque output by the motor passes through the reduction box, it is divided into two torques with the same magnitude and opposite rotation directions, which drive the sprocket assemblies 1-5 in the left and right pump heads to rotate through the universal joint couplings. The sprocket assemblies 1-5 drive the profiling wheel assemblies 1-9 to rotate, and then squeeze the hose to form a squeezing force for forward transportation.

[0031] The structure of the pair-roller hose pump disclosed in the present invention adopts a structural method of synchronous pair-roller rolling extrusion of the pump head assembly. The hose is vertically arranged, which helps to meet the requirements of the up and down transportation of highly viscous energy-containing fluids. And the method of using profiling wheels for pair-rolling can reduce the deformation amount of the hose. At the same time, the roller hose pump structure of the present invention is not a closed space, and has good heat dissipation, thereby reducing heat generation and increasing the service life of the hose. The pair-roller hose pump of the present invention is a pump device with excellent performance, high reliability and strong adaptability, and has broad market prospects and application value.

Claims

1. A structure of a pair-roller hose pump, characterized in that, The hose pump includes a pump head assembly (1), a gear reduction box (2), a universal joint coupling (3), and a motor (4); the motor (4) provides power for the entire hose pump, and there is a fixed connection between the input shaft of the gear reduction box (2) and the output shaft of the motor (4). The power of the motor (4) is transmitted through the gear reduction box (2) to drive the pump head assembly (1) to rotate; the pump head assembly (1) and the output shaft of the gear reduction box (2) are connected by a universal joint coupling (4). At the same time, the gear reduction box (2) transmits power to the pump head assembly (1) through the universal joint coupling (4).

2. The structure of the pair-roller hose pump according to claim 1, wherein, The pump head assembly (1) includes: a left pump head (1-1), a right pump head (1-2), a hose (1-3), a hose clamp (1-4), and an adjustable buckle (1-6); the left pump head (1-1) and the right pump head (1-2) are axially symmetric in structure. The left pump head (1-1) and the right pump head (1-2) are connected by an adjustable buckle (1-6) to adjust the spacing. The hose (1-3) passes vertically through the middle of the left pump head (1-1) and the right pump head (1-2), and the hose (1-3) is fixedly connected to the housing assemblies of the left pump head (1-1) and the right pump head (1-2) through the hose clamp (1-4).

3. The structure of the roller hose pump according to claim 2, characterized in that, The left pump head (1-1) or the right pump head (1-2) includes a housing assembly and a sprocket assembly (1-5), and the sprocket assembly (1-5) is fixedly installed on the housing assembly.

4. The structure of the pair-roller hose pump according to claim 2, wherein, The sprocket assembly (1-5) includes a chain assembly (1-7), a guide plate (1-8), and a profiling wheel assembly (1-9); the chain assembly (1-7) includes two sprockets and a chain; two guide plates (1-8) form the frame of the sprocket assembly (1-5) through connecting rods, and the guide plates (1-8) are fixedly installed with the housing assembly; the two sprockets in the chain assembly (1-7) are rotatably installed on the guide plates (1-8), and synchronous rotation between the two sprockets is achieved through the chain; the profiling wheel assembly (1-9) is fixedly installed on the link of the chain assembly (1-7); the main shaft of the driving sprocket is fixedly connected to the output shaft of the gear reduction box (2).

5. The structure of the roll-type hose pump according to claim 4, characterized in that, Groove guides are provided on the opposite surfaces of the two guide plates (1-8) for regulating the movement of the profiling wheel assembly (1-9) along the track of the groove guide.

6. The structure of the roller hose pump according to claim 5, characterized in that The profiling wheel assembly (1-9) includes a profiling wheel (1-9-1), a profiling wheel bracket (1-9-2), rollers (1-9-4), and a rotating shaft (1-9-3). One end of the profiling wheel 1-9-1 and the profiling wheel connecting member (1-9-2) are rotatably connected through the rotating shaft (1-9-3). The two ends of the rotating shaft (1-9-3) protrude from the ends of the profiling wheel connecting member (1-9-2), and rollers (1-9-4) are rotatably installed, so that the rollers (1-9-4) cooperate with the groove guide on the guide plate. The profiling wheel bracket (1-9-2) is fixedly connected to the link of the chain.

7. The structure of the pair-roller hose pump according to claim 1, characterized in that, The gear reduction box (2) has two output shafts, and the rotation directions of the two output shafts are opposite.

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