A rotary pump material transfer auxiliary device and material transfer equipment

Abstract

This utility model relates to the field of material transfer technology, and discloses an auxiliary device and equipment for transferring materials using a rotor pump. The auxiliary device includes a vacuum generator, a tank, a cover plate, and a pipeline connection assembly. The cover plate is installed at the upper end of the tank for removably sealing the tank. The pipeline connection assembly is located at the lower end of the tank. The vacuum generator is installed on one side of the tank for evacuating the interior of the tank. This auxiliary device has a simple structure, is easy to operate and clean, and compared to using a traditional vacuum pump to provide a vacuum, this device is also compact, portable, and low-cost.

Description

Technical Field

[0001] This utility model relates to the field of material transfer technology, and in particular to an auxiliary device for transferring materials using a rotor pump and a material transfer equipment. Background Technology

[0002] Semi-solid pastes have poor flowability, and some pastes even have no flowability (such as ointments). When using a rotor pump to transfer materials during the production process, because the rotor pump is clean at the beginning and there is no paste inside, or air enters the rotor pump during use, it is impossible to form a high enough negative pressure to suck the paste from the discharge port of the paste storage tank to the feed port of the rotor pump. In other words, the rotor pump cannot start conveying materials or the conveying of materials is interrupted, and continuous conveying and transfer of paste cannot be achieved. Utility Model Content

[0003] In view of the shortcomings of the prior art described above, the purpose of this utility model is to provide a rotor pump material transfer auxiliary device and material transfer equipment. This device is suitable for conveying relatively viscous, poorly fluid semi-solid materials. It is used to solve the technical problem that when transferring intermediate materials of ointments and creams in the pharmaceutical industry, cosmetics production and other industries, the rotor pump cannot successfully transfer the materials by its own suction force due to the poor fluidity of the materials themselves or the presence of air in the connecting pipes.

[0004] The present invention adopts the following technical solution:

[0005] In a first aspect, this utility model provides an auxiliary device for transferring materials using a rotor pump, comprising a vacuum generator, a tank, a cover plate, and a pipe connection assembly; wherein, the cover plate is provided at the upper end of the tank, the cover plate is used to detachably close the tank, the pipe connection assembly is provided at the lower end of the tank, and the vacuum generator is installed on one side of the tank for evacuating the inside of the tank.

[0006] Preferably, in the above-mentioned auxiliary device for transferring materials by a rotor pump, the pipe connection assembly includes a pipe and a chuck. One end of the pipe is located at the lower end of the tank and communicates with the inside of the tank. The other end of the pipe is connected to the chuck, which is used to connect the rotor pump.

[0007] Preferably, the above-mentioned rotor pump material transfer auxiliary device further includes a three-way valve, which has three ports: a first port, a second port, and a third port. The first port is detachably connected to the pipe connection assembly, the second port is detachably connected to the rotor pump, and the third port is detachably connected to the material conveying pipe.

[0008] Preferably, the above-mentioned rotary pump material transfer auxiliary device further includes a material sensor, which is disposed at the second port.

[0009] Preferably, the above-mentioned rotary pump material transfer auxiliary device further includes a controller, wherein the signal output terminal of the material sensor is connected to the signal input terminal of the controller, and the signal output terminal of the controller is connected to the signal input terminals of the vacuum generator and the three-way valve.

[0010] Preferably, in the above-mentioned rotary pump material transfer auxiliary device, a handle is provided on the side wall of the tank.

[0011] Preferably, in the above-mentioned auxiliary device for transferring materials using a rotary pump, the tank is a stainless steel tank.

[0012] Preferably, in the above-mentioned auxiliary device for transferring materials by a rotor pump, the cover plate is a transparent tempered glass cover plate.

[0013] Secondly, this utility model provides a material transfer device, including a rotor pump material transfer auxiliary device, a material storage tank, a rotor pump, a material conveying pipe, and a material receiver as described above; wherein, the inlet of the rotor pump is connected to the material storage tank, the rotor pump material transfer auxiliary device is used to connect to the outlet of the rotor pump when the rotor pump is not full of material, so as to assist the rotor pump in filling with material, and when the rotor pump is full of material, the outlet of the rotor pump is connected to one end of the material conveying pipe, and the other end of the material conveying pipe is connected to the material receiver.

[0014] Preferably, in the above-mentioned material transfer equipment, the material receiver is a filling machine hopper.

[0015] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0016] According to the auxiliary device for transferring materials using a rotor pump provided by this utility model, a vacuum generator provides vacuum conditions. During use, a tank is connected to the rotor pump's outlet, serving to connect with the rotor pump and receive the paste drawn in by the vacuum negative pressure. In use, after the paste is drawn into the tank, the auxiliary feeding device can be paused, the tank removed from the rotor pump's outlet, and a material conveying pipe connected to the rotor pump's outlet. Starting the rotor pump allows for continuous delivery of the paste. This auxiliary device has a simple structure, is easy to operate and clean, and compared to using a traditional vacuum pump to provide vacuum, it is also compact, portable, and low-cost. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of the structure of a rotary pump material transfer auxiliary device according to an embodiment of the present utility model.

[0019] Figure 2 This is a structural diagram of a rotary pump material transfer auxiliary device according to an embodiment of the present invention, when a three-way valve is provided.

[0020] Figure 3 This is a schematic diagram of the electronic component connection of a rotary pump material transfer auxiliary device according to an embodiment of the present utility model.

[0021] Figure 4 This is a structural diagram of a material transfer device according to an embodiment of the present utility model.

[0022] Figure label:

[0023] 1. Vacuum generator; 2. Tank body; 3. Cover plate; 4. Pipe connection assembly; 401. Pipe; 402. Chuck; 5. Three-way valve; 6. Rotary pump; 7. Material conveying pipe; 8. Material sensor; 9. Controller; 10. Handle; 11. Rotary pump material transfer auxiliary device; 12. Material storage tank; 13. Material receiver. Detailed Implementation

[0024] The following specific examples illustrate the implementation of this utility model. Those skilled in the art can easily understand other advantages and effects of this utility model from the content disclosed in this specification. This utility model can also be implemented or applied through other different specific embodiments, and various details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of this utility model. It should be noted that, unless otherwise specified, the following embodiments and features described therein can be combined with each other.

[0025] In the description of this utility model, unless otherwise stated, "a plurality of" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. In addition, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0026] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0027] The present invention will now be further described with reference to the accompanying drawings.

[0028] Example 1:

[0029] This utility model embodiment provides an auxiliary device for transferring materials using a rotor pump, such as... Figure 1 As shown, the rotary pump material transfer auxiliary device includes a vacuum generator 1, a tank 2, a cover plate 3, and a pipeline connection assembly 4; wherein, the upper end of the tank 1 is provided with a cover plate 3, which is used to detachably close the tank 2, the pipeline connection assembly 4 is provided at the lower end of the tank 2, and the vacuum generator 1 is installed on one side of the tank 2 for evacuating the inside of the tank 2.

[0030] This rotary pump material transfer auxiliary device is suitable for conveying relatively viscous, poorly fluid semi-solid materials. It can solve the technical problem that when transferring intermediate materials for ointments and creams in the pharmaceutical and cosmetics industries, the rotary pump cannot successfully transfer the materials by its own suction due to the poor fluidity of the materials or the presence of air in the connecting pipes.

[0031] In practice, the discharge port of the rotor pump can be connected via the pipe connection assembly 4, while ensuring that the cover plate 3 seals the tank 2. The tank 2 serves as a buffer, connects to the rotor pump, and receives materials (such as pastes) drawn in under vacuum negative pressure. After connection, the vacuum generator 1 is started. At this time, both the tank 2 and the rotor pump connected to the stainless steel tank are under vacuum negative pressure, meaning the rotor pump is in a high vacuum negative pressure state. The material is drawn into the rotor pump under this high vacuum negative pressure. Once the rotor pump is full of material, the vacuum generator 1 is stopped, the pipe connection assembly 4 is disconnected from the rotor pump, and the rotor pump is connected to the material conveying pipe. The rotor pump is now full of paste. Restarting the rotor pump at this point will create a high negative pressure to continuously draw in the material, thus achieving the conveying and transfer of semi-solid pastes and other materials with poor flowability.

[0032] In some embodiments, such as Figure 1 As shown, the pipe connection assembly 4 includes a pipe 401 and a chuck 402. One end of the pipe 401 is located at the lower end of the tank 2 and communicates with the inside of the tank 2. The other end of the pipe 401 is connected to the chuck 402, which is used to connect the rotor pump 6.

[0033] In this embodiment, one end of the pipe 401 is fixed to the lower end of the tank 2 and communicates with the inside of the tank to form a material flow channel; the other end is quickly connected to the feed port of the rotor pump 6 via a chuck 402. The chuck 402 (such as a quick-release clamp or flange chuck) achieves a sealed connection between the rotor pump 6 and the pipe 401 through mechanical locking or sealing ring pressing, ensuring no leakage during vacuuming and material transfer. After the rotor pump 6 is filled with material, the connection between the chuck 402 and the rotor pump 6 is disconnected, and the system switches to the material conveying pipeline. The quick-disassembly design of the chuck 402 simplifies the operation process, reduces downtime, and the sealing structure prevents residual material from dripping or polluting the environment.

[0034] In some embodiments, such as Figure 2 As shown, the material transfer auxiliary device of the rotor pump also includes a three-way valve 5, which has three ports, namely a first port 501, a second port 502 and a third port 503. The first port 501 is detachably connected to the pipe connection assembly 4, the second port 502 is detachably connected to the rotor pump 6, and the third port 503 is detachably connected to the material conveying pipe 7.

[0035] In this embodiment, to further simplify operation, a three-way valve 5 is added. The three ports of the three-way valve are respectively connected to the pipeline connection assembly 4, the rotor pump 6, and the material conveying pipe 7, so that in actual use, there is no need to frequently manually switch the pipeline; the operation can be achieved by switching the three-way valve 5. The implementation can include the following three stages:

[0036] Initial Connection and Vacuum Adsorption Stage: Connect the first port 501 of the three-way valve 5 to the pipe connection assembly 4 (i.e., the lower pipe 401 of the tank 2) via the chuck 402; connect the second port 502 to the feed inlet of the rotor pump 6; and connect the third port 503 to the material conveying pipe 7. After starting the vacuum generator 1, adjust the three-way valve 5 to "adsorption mode" (i.e., the first port 501 and the second port 502 are connected, and the third port 503 is closed). At this time, the tank 2, pipe 401, three-way valve 5, and rotor pump 6 form a closed vacuum adsorption path. Under negative pressure, external materials (such as paste) enter the rotor pump 6 until the rotor pump 6 is full of material.

[0037] Material conveying stage: After the rotor pump 6 completes material filling, the vacuum generator 1 is turned off, and the three-way valve 5 is adjusted to "conveyor mode" (i.e., the second port 502 and the third port 503 are connected, and the first port 501 is closed), cutting off the passage between the tank 2 and the rotor pump 6. At the same time, the rotor pump 6 is connected to the material conveying pipe 7. The rotor pump 6 is started, and the material inside the pump, under the mechanical squeezing action of the rotor, directly enters the material conveying pipe 7 through the three-way valve 5, completing the continuous output of material.

[0038] Cleaning or standby phase: If it is necessary to clean the pipes or suspend the operation, the three-way valve 5 can be switched to "isolation mode" (such as closing all ports or keeping only specific passages open) to prevent material residue or air from entering the system.

[0039] This embodiment achieves rapid switching between adsorption, conveying, and isolation modes through the switching of the three-way valve 5, without the need for manual disassembly or replacement of pipelines. This significantly reduces downtime and improves material transfer efficiency. The sealing design of the three-way valve 5 ensures system tightness during mode switching, preventing material from contacting air (e.g., oxidation, volatilization) or the intrusion of external contaminants, making it particularly suitable for scenarios with high cleanliness requirements (such as the food and pharmaceutical industries). The valve status is clearly defined (adsorption, conveying, isolation), avoiding leakage or vacuum failure caused by human error. The mechanical valve structure is pressure-resistant and corrosion-resistant, suitable for working conditions involving high-viscosity materials and materials containing particles.

[0040] In some embodiments, such as Figure 2 As shown, the rotary pump material transfer auxiliary device also includes a material sensor 8, which is located at the second port 502, and further as... Figure 3 As shown, the material transfer auxiliary device of the rotor pump also includes a controller 9. The signal output terminal of the material sensor 8 is connected to the signal input terminal of the controller 9, and the signal output terminal of the controller 9 is connected to the signal input terminals of the vacuum generator 1, the three-way valve 5 and the rotor pump 6.

[0041] In this embodiment, the controller 9 initializes the three-way valve 5 to "adsorption mode" (first port 501 and second port 502 are connected, third port 503 is closed), and starts the vacuum generator 1 to evacuate the tank 2 and the rotor pump 6. External materials (such as paste) flow into the rotor pump 6 under negative pressure. When the material reaches the second port 502 of the three-way valve 5, the material sensor 8 (such as a photoelectric sensor, capacitive sensor, or pressure sensor) detects the material position or flow signal in real time and transmits the signal to the controller 9. If the controller 9 determines that the rotor pump 6 is full of material (e.g., the material sensor 9 detects material at the second port 502), it immediately shuts off the vacuum generator 1 and switches the three-way valve 5 to "conveying mode" (second port 502 and third port 503 are connected, first port 501 is closed). The rotor pump 6 is started synchronously, and the material in the pump enters the paste conveying pipe 7 through the third port 503 of the three-way valve 5, achieving continuous output.

[0042] This embodiment achieves full automation of the entire process from suction and filling to conveying by linking material sensor 8 with controller 9, eliminating the need for manual intervention in mode switching or equipment start / stop, thus significantly improving operational efficiency. Material sensor 8 monitors the filling status of rotor pump 6 in real time, ensuring that it switches to conveying mode immediately after being filled with material.

[0043] In some embodiments, a handle 10 is provided on the side wall of the tank 2.

[0044] In this embodiment, the handle 10 provides an ergonomic grip point, facilitating the operator to move, tilt, or secure the tank 2, especially when the tank is heavy after being filled with materials, reducing the difficulty of handling and the risk of slippage. During equipment installation or maintenance, the handle 10 can be used to assist in adjusting the alignment of the tank 2 with the rotor pump 6 and the pipeline connection assembly 4, improving assembly accuracy. The design of the handle 10 also avoids direct contact with the tank surface (e.g., under high or low temperature conditions), reducing the risk of burns or frostbite. The handle 10 is particularly suitable for laboratories, small production lines, or hygiene-sensitive industries (such as food and pharmaceutical) where frequent tank movement is required.

[0045] In some embodiments, tank 2 is a stainless steel tank.

[0046] In this embodiment, a stainless steel tank is used as the tank body 2, suitable for the transfer of food sauces, pharmaceutical intermediates, and highly corrosive chemical raw materials, as well as clean production environments requiring high-temperature cleaning or sterilization. Stainless steel (such as 304 / 316L) has excellent corrosion resistance to acids, alkalis, salts, and organic solvents, making it suitable for the transfer of corrosive materials in chemical, electroplating, and other fields. Its high surface finish prevents material residue, meets FDA, GMP, and other hygiene standards in the food and pharmaceutical industries, and avoids microbial growth or cross-contamination. The stainless steel tank body is resistant to high pressure and high temperature, and can withstand harsh conditions such as vacuum adsorption or high-temperature steam sterilization, extending the equipment's service life.

[0047] In some embodiments, the cover plate 3 is a transparent tempered glass cover plate.

[0048] In this embodiment, a transparent tempered glass cover is used as the cover plate 3. Operators can directly observe the material condition (such as material position) inside the tank 2 through the transparent tempered glass cover, and judge the adsorption progress or abnormal conditions in real time, reducing the frequency of opening the cover for inspection. Tempered glass has high impact resistance and high temperature resistance, and can withstand pressure changes under negative or positive pressure conditions, preventing breakage that could cause personal injury or material leakage.

[0049] Example 2:

[0050] This utility model embodiment provides a material transfer device, such as... Figure 4 As shown, it includes a rotor pump material transfer auxiliary device 11, a material storage tank 12, a rotor pump 6, a material conveying pipe 7, and a material receiver 13, as in any embodiment of Example 1. The inlet of the rotor pump 6 is connected to the material storage tank 12. The rotor pump material transfer auxiliary device 11 is used to connect to the outlet of the rotor pump 6 when the rotor pump 6 is not full of material, so as to assist the rotor pump 6 in filling with material. When the rotor pump 6 is full of material, the outlet of the rotor pump 6 is connected to one end of the material conveying pipe 7, and the other end of the material conveying pipe 7 is connected to the material receiver 13.

[0051] In practice, when the rotor pump 6 is not full of material, the rotor pump material transfer auxiliary device 11 (including components such as vacuum generator 1 and tank 2) is connected to the discharge port of the rotor pump 6 through the pipeline connection component 4, forming a closed loop. Simultaneously, the feed port of the rotor pump 6 remains connected to the material storage tank 12. The vacuum generator 1 in the rotor pump material transfer auxiliary device 11 is activated to create a vacuum in the tank 2 and inside the rotor pump 6, forming a negative pressure environment. At this time, the material (such as high-viscosity paste) in the material storage tank 12 is drawn into the inner cavity of the rotor pump 6 under the negative pressure. The material sensor 8 in the auxiliary device 11 or a preset time threshold is used to detect whether the rotor pump 6 is full of material. If it is full, the controller 9 shuts down the vacuum generator 1 and triggers the subsequent process. The controller 9, controlled by the three-way valve 5 or manually operated, disconnects the connection between the rotor pump material transfer auxiliary device 11 and the rotor pump 6 outlet, and instead connects the rotor pump 6 outlet to the material conveying pipe 7, forming a conveying path of "material storage 12 → rotor pump 6 → material conveying pipe 7 → material receiver 13". Continuous conveying is started, and the rotor pump 6 operates. The internal rotor rotates, generating mechanical extrusion force, drawing the filled material from the inlet into the cavity and pushing it to the outlet. The material is then stably conveyed to the material receiver 13 via the material conveying pipe 7.

[0052] If the material sensor 8 detects that there is insufficient material in the rotor pump 6 or that the conveying pressure is abnormal, the controller 9 can pause the operation of the rotor pump 6 and restart the auxiliary device 11 for secondary filling to ensure the continuity of conveying.

[0053] After the conveying is completed, the material transfer auxiliary device 11 can be reversed and connected to the cleaning agent pipeline through the rotor pump. Vacuum adsorption or pressure flushing is used to clean the rotor pump 6 and the conveying pipeline to prevent residual material from solidifying and clogging.

[0054] Rotary pumps require the pump chamber to be completely filled with material to form an effective seal and generate conveying force. The auxiliary device pre-fills the chamber using vacuum negative pressure to prevent dry running and wear or low conveying efficiency. For high-viscosity, easily settling, or particulate materials, negative pressure adsorption forces the material into the pump chamber, overcoming the shortcomings of traditional self-priming capabilities.

[0055] The material conveying pipe 7 is designed as a flexible or rigid pipe according to process requirements, which can traverse complex spatial layouts and accurately guide materials into the material receiver 13 (such as a reaction vessel or filling equipment). The material receiver 13 can be equipped with a level sensor or flow meter, which can be linked with the controller 9 to realize quantitative conveying or batch management.

[0056] The collaborative design of the rotor pump material transfer auxiliary device 11 and rotor pump 6 enables automated switching from filling to conveying, reducing manual intervention and improving system response speed. Vacuum-assisted filling overcomes the dependence of traditional rotor pumps on material flowability, enabling the handling of difficult-to-transfer media such as pastes, slurries, and solid-containing fluids. It avoids dry friction damage caused by rotor pump idling, reducing maintenance frequency; closed conveying reduces the risk of oxidation and contamination, ensuring material quality. The rotor pump material transfer auxiliary device 11 can be used as an independent module with various models of rotor pumps, supporting production line upgrades or process adjustments.

[0057] Typical applications of this material transfer equipment include:

[0058] Ointment filling production line: such as toothpaste and cosmetic cream, automated filling to ensure accurate quantitative output after the pump chamber is full.

[0059] Chemical reaction feed: High-viscosity prepolymer is transported from the storage tank to the reactor to avoid solidification or stratification during transit.

[0060] Food sauce transfer: The transfer of materials such as ketchup and chocolate syrup within the factory is completed in a sterile environment, meeting hygiene standards.

[0061] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model, and they should all be covered within the scope of the claims and specification of this utility model.

Claims

1. A rotor pump transfer material auxiliary device characterized by, The device includes a vacuum generator, a tank, a cover plate, and a pipe connection assembly; wherein, the cover plate is provided at the upper end of the tank for removably closing the tank, the pipe connection assembly is provided at the lower end of the tank, and the vacuum generator is installed on one side of the tank for evacuating the inside of the tank.

2. The rotor pump transfer material assist device of claim 1, wherein, The pipe connection assembly includes a pipe and a chuck. One end of the pipe is located at the lower end of the tank and communicates with the inside of the tank. The other end of the pipe is connected to the chuck, which is used to connect to the rotor pump.

3. The auxiliary device for transferring materials by a rotor pump according to claim 1, characterized in that, It also includes a three-way valve with three ports: a first port, a second port, and a third port. The first port is detachably connected to the pipe connection assembly, the second port is detachably connected to the rotor pump, and the third port is detachably connected to the material conveying pipe.

4. The rotor pump transfer material assist device of claim 3, wherein, It also includes a material sensor, which is located at the second port.

5. The rotor pump transfer material assist device of claim 4, wherein, It also includes a controller, the signal output terminal of the material sensor is connected to the signal input terminal of the controller, and the signal output terminal of the controller is connected to the signal input terminals of the vacuum generator and the three-way valve.

6. The rotor pump transfer material assist device of claim 1, wherein, The tank body is equipped with a handle on its side wall.

7. The rotor pump transfer material assist device of claim 1, wherein, The tank is a stainless steel tank.

8. The rotor pump transfer material assist device of claim 1, wherein, The cover is a transparent tempered glass cover.

9. A material transfer apparatus, characterized by, The device includes a rotary pump material transfer auxiliary device, a material storage tank, a rotary pump, a material conveying pipe, and a material receiver, as described in any one of claims 1 to 8; wherein the inlet of the rotary pump is connected to the material storage tank, the rotary pump material transfer auxiliary device is used to connect to the outlet of the rotary pump when the rotary pump is not full of material, so as to assist the rotary pump in filling with material, and when the rotary pump is full of material, the outlet of the rotary pump is connected to one end of the material conveying pipe, and the other end of the material conveying pipe is connected to the material receiver.

10. The material transfer apparatus of claim 9, wherein, The material receiver is the hopper of a filling machine.

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