Large-flow screw delivery pump

Abstract

The utility model discloses a high-flow screw delivery pump, which comprises a motor, a speed reducer connected with an output shaft of the motor, a connecting shaft, a stator and a rotor, one end of the connecting shaft is connected with an output shaft of the speed reducer, and the stator and the rotor are matched with each other. The end, opposite to the speed reducer, of the fixing base is connected with a feeding cylinder, a sealing assembly is arranged in the end, close to the fixing base, of the feeding cylinder, and the other end of the connecting shaft penetrates through the sealing assembly and is connected with the end, penetrating into the feeding cavity, of the rotor through a connecting rod arranged in the feeding cylinder. And the other end of the feeding cylinder is connected with the stator, so that a feeding cavity in the feeding cylinder is communicated with a discharging runner formed between the stator and the rotor. According to the utility model, the feeding cylinder, the stator and the rotor can be quickly disassembled, so that high-frequency cleaning treatment is facilitated, and the condition that food materials in the feeding cylinder remain and go bad is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to screw pump technical field, especially relates to a large flow screw conveying pump. BACKGROUND

[0002] Screw pump is a kind of equipment, which can send material from inlet to outlet under working condition. When screw pump is used to transport food, the food is easy to accumulate in the conveying flow channel for a long time, which causes the deterioration of the food and affects the safety of the food. In order to ensure the safety of the food, the pump body and the conveying pipeline need to be cleaned and disinfected after the food is transported. However, the disassembly and cleaning of the pump body and the conveying pipeline are complicated, which causes the deterioration of the residual material. SUMMARY

[0003] The utility model provides a kind of large flow screw conveying pump, which is convenient for high-frequency cleaning and avoids the deterioration of food material in the feeding cylinder.

[0004] To solve the above technical problems, the utility model adopts the following technical scheme: a large flow screw conveying pump includes a motor, a speed reducer connected to the output shaft of the motor, a connecting shaft connected to the output shaft of the speed reducer at one end, and a stator and a rotor cooperating with each other. The middle part of the connecting shaft is rotatably mounted on a fixed seat by at least two bearings. The fixed seat is connected to a feeding cylinder at one end opposite to the speed reducer. A sealing assembly is arranged inside the feeding cylinder near the end of the fixed seat. The other end of the connecting shaft passes through the sealing assembly and is connected to one end of the rotor inserted into the feeding cavity through a connecting rod arranged in the feeding cylinder. The other end of the feeding cylinder is connected to the stator, so that the feeding cavity in the feeding cylinder is in communication with the discharge flow channel formed between the stator and the rotor.

[0005] The improved scheme in the above technical solution is as follows:

[0006] 1. In the above scheme, a housing part is arranged outside the body part of the stator, and the housing part of the stator is connected to the feeding cylinder in a sleeve joint.

[0007] 2. In the above scheme, the sealing assembly is arranged at the connection between the feeding cylinder and the fixed seat.

[0008] 3. In the above scheme, a feeding port in communication with the feeding cavity is formed in the side wall of the feeding cylinder near the end of the fixed seat and located on the side opposite to the fixed seat of the sealing assembly.

[0009] 4. In the above scheme, the output shaft of the speed reducer and the connecting shaft are connected by a shaft coupling.

[0010] By means of the technical scheme, the utility model has the following advantages compared with the prior art:

[0011] The utility model discloses a high flow screw conveying pump, the middle part of connecting shaft is rotatablely installed on a fixed seat through at least two bearings, the one end of fixed seat is connected with a feeding cylinder opposite to speed reducer, the inside of feeding cylinder near fixed seat one end is provided with a sealing assembly, the other end of connecting shaft passes the sealing assembly and is connected with the one end of rotor that penetrates into the feeding chamber through a connecting rod arranged in the feeding cylinder, the other end of feeding cylinder is connected with stator, make the feeding chamber in feeding cylinder with the discharge flow channel formed between stator and rotor intercommunication, can realize the quick disassembly of feeding cylinder, stator rotor to the high -frequency cleaning processing of being convenient for, avoid the food material residual deterioration in feeding cylinder. BRIEF DESCRIPTION OF DRAWINGS

[0012] ATTACHED Figure 1 It is whole structure schematic diagram of the utility model high flow screw conveying pump;

[0013] ATTACHED Figure 2 It is sectional view schematic diagram of the utility model high flow screw conveying pump;

[0014] ATTACHED Figure 3 It is Figure 2 Local enlarged schematic diagram of structure.

[0015] In the above drawing: 1, motor;2, speed reducer;3, connecting shaft;41, stator;411, body part;412, shell part;42, rotor;5, fixed seat;51, bearing;52, partition ring;6, feeding cylinder;61, feeding chamber;62, feeding port;7, sealing assembly;8, connecting rod;9, shaft coupling;10, sealing ring;111, first support;112, second support;12, base plate. DETAILED DESCRIPTION

[0016] The specific embodiments given below can further clearly understand the patent, but they are not the limitation of the patent.

[0017] Embodiment 1: a large-flow screw conveying pump for conveying large-flow food materials, comprising a motor 1, a speed reducer 2 connected with an output shaft of the motor 1, a connecting shaft 3 connected with an output shaft of the speed reducer 2 at one end, and a stator 41 and a rotor 42 matched with each other, wherein the middle part of the connecting shaft 3 is rotatably installed on a fixed base 5 through at least two bearings 51, one end of the fixed base 5 is connected with a feeding cylinder 6, the inside of the feeding cylinder 6 near one end of the fixed base 5 is provided with a sealing assembly 7, the other end of the connecting shaft 3 penetrates through the sealing assembly 7 and is connected with one end of the rotor 42 penetrating into a feeding cavity 61 through a connecting rod 8 arranged in the feeding cylinder 6, and the other end of the feeding cylinder 6 is connected with the stator 41, so that the feeding cavity 61 in the feeding cylinder 6 is communicated with a discharging flow channel formed between the stator 41 and the rotor 42.

[0018] Through an external material conveying mechanism, the food materials (such as butter, milk, etc.) with fluidity are sent into the feeding cavity in the feeding cylinder from the feeding port, and then the materials are outputted outward from the discharging flow channel formed between the stator and the rotor through the rotating rotor.

[0019] The outside of the body part 411 of the stator 41 is provided with a shell part 412, and the shell part 412 of the stator 41 is connected with the feeding cylinder 6 in a sleeving manner.

[0020] The sealing assembly 7 is arranged at the connection between the feeding cylinder 6 and the fixed base 5, and a feeding port 62 communicated with the feeding cavity 61 is arranged on the side wall of the feeding cylinder 6 near one end of the fixed base 5 and located at the side of the sealing assembly 7 away from the fixed base 5.

[0021] Embodiment 2: a large-flow screw conveying pump, comprising a motor 1, a speed reducer 2 connected with an output shaft of the motor 1, a connecting shaft 3 connected with an output shaft of the speed reducer 2 at one end, and a stator 41 and a rotor 42 matched with each other, wherein the middle part of the connecting shaft 3 is rotatably installed on a fixed base 5 through at least two bearings 51, one end of the fixed base 5 is connected with a feeding cylinder 6, the inside of the feeding cylinder 6 near one end of the fixed base 5 is provided with a sealing assembly 7, the other end of the connecting shaft 3 penetrates through the sealing assembly 7 and is connected with one end of the rotor 42 penetrating into a feeding cavity 61 through a connecting rod 8 arranged in the feeding cylinder 6, and the other end of the feeding cylinder 6 is connected with the stator 41, so that the feeding cavity 61 in the feeding cylinder 6 is communicated with a discharging flow channel formed between the stator 41 and the rotor 42.

[0022] Because the conveyed materials are food materials, the feeding cylinder and the internal components thereof need to be cleaned frequently, and based on this, the overall structure is designed as a three-section detachable structure of the feeding cylinder, the stator and the fixed base, so that the feeding cylinder, the internal components of the feeding cylinder and the stator and the rotor can be cleaned frequently, and the condition that the food materials remaining in the feeding cylinder are deteriorated can be avoided.

[0023] The output shaft of the speed reducer 2 is connected with the connecting shaft 3 through a coupling 9; the coupling 9 is connected with the output shaft of the speed reducer 2 and the connecting shaft 3 through key groove matching.

[0024] A spacer ring 52 is arranged between the two bearings 51 which are spaced along the axial direction of the connecting shaft 3; a sealing ring 10 is arranged on the fixed seat 5 and located on both sides of the bearing 51.

[0025] The motor 1 and the speed reducer 2 are installed on a base plate 12 through a first support 111; the end of the fixed seat 5 close to the speed reducer 2 is installed on the base plate 12 through a second support 112; the two ends of the connecting rod 8 which is arranged as a universal shaft are connected with the connecting shaft 3 and the eccentric rotor 42 respectively.

[0026] When the large-flow screw conveying pump is used, the feeding cylinder and the stator rotor can be quickly disassembled, so that the high-frequency cleaning treatment is facilitated and the food material residues in the feeding cylinder are prevented from deteriorating.

[0027] The above embodiment is only for illustrating the technical concept and characteristics of the present application, and its purpose is to enable the person skilled in the art to understand the content of the present application and to implement it, and it cannot limit the protection scope of the present application. Any equivalent changes or modifications made according to the spirit and essence of the present application shall be covered within the protection scope of the present application.

Claims

1. A large flow screw conveyance pump comprising: Motor (1), and the output shaft of motor (1) is connected with speed reducer (2), one end of connecting shaft (3) is connected with the output shaft of speed reducer (2), and the stator (41) and the rotor (42) are matched, characterized by: the middle part of connecting shaft (3) is rotatably installed on a fixed seat (5) through at least two bearings (51), one end of fixed seat (5) is connected with a feeding cylinder (6) away from speed reducer (2), the inside of the feeding cylinder (6) near one end of fixed seat (5) is provided with a sealing assembly (7), the other end of connecting shaft (3) passes through the sealing assembly (7) and is connected with one end of rotor (42) penetrating into the feeding cavity (61) through a connecting rod (8) arranged in the feeding cylinder (6), the other end of feeding cylinder (6) is connected with stator (41), so that the feeding cavity (61) in feeding cylinder (6) is communicated with the discharging flow channel formed between stator (41) and rotor (42).

2. A large flow screw conveyance pump according to claim 1, characterized in that: The outer side of the body part (411) of the stator (41) is provided with a shell part (412), and the shell part (412) of the stator (41) is connected with the feeding cylinder (6) in a sleeved manner.

3. The large flow rate screw conveyance pump according to claim 1, characterized by: The sealing assembly (7) is arranged at the connection between the feeding cylinder (6) and the fixed seat (5).

4. The large flow rate screw conveyance pump according to claim 1, characterized by: A feeding port (62) communicated with the feeding cavity (61) is formed in the side wall of the feeding cylinder (6) near one end of the fixed seat (5) and located on the side away from the fixed seat (5) of the sealing assembly (7).

5. The large flow rate screw conveyance pump according to claim 1, characterized by: The output shaft of speed reducer (2) is connected with connecting shaft (3) through a shaft coupling (9).

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