Continuous feeding and mixing equipment
By designing an integrated continuous feed mixing equipment and integrating a variety of feeding and mixing equipment, the existing equipment has solved the problem of large space and low production efficiency, and achieved efficient and continuous production process and product quality control.
Patent Information
- Application Number
- CN202421837761.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-31
- Publication Date
- 2025-06-24
- Estimated Expiration
- 2034-07-31
AI Technical Summary
The existing feeding and mixing equipment is mainly installed in a dispersed mode, which takes up a large space and is difficult to transfer, and cannot achieve a truly continuous production process, resulting in low production efficiency, high cost and difficult to control product quality.
Design a continuous feed mixing equipment, adopting a standard modular and integrated design structure, integrating weightless feeder, vacuum feeder, quantitative feeding valve, conical aggregate silo and mixer to realize the continuous production process, and adopt protection, isolation and vibration reduction measures for weightless feeder.
It realizes the compactness and convenient transfer of equipment, improves production efficiency, reduces operating costs, and effectively controls product quality, realizing a truly continuous production process.
Smart Images
Figure CN223010464U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of continuous feeding, and more specifically, relates to a continuous feeding and mixing device. Background Technique
[0002] The production mode of oral solid preparations is gradually changing from batch manufacturing to continuous manufacturing. By using process analysis technology to monitor the key process parameters and key quality attributes of raw materials, intermediate products and final products in real time during the production process, online data analysis, data model analysis, and at the same time, with the help of feedforward and feedback systems to adjust the quality of intermediates and finished products in real time, high-efficiency production, automated monitoring and high product quality requirements can be achieved.
[0003] As a key foundation for continuous manufacturing, at present, most feeding and mixing devices are installed in a decentralized mode, occupying a large space volume and being difficult to transfer; the feeding and mixing links cannot achieve a truly continuous production process. The intermittent unit operation or multi-batch production mode will reduce production efficiency, increase production operation costs, and it is difficult to control the product quality during the production process. Summary of the Utility Model
[0004] The purpose of the utility model is to provide a continuous feeding and mixing device, which adopts a standard modular and integrated design structure and can achieve a continuous production process.
[0005] To achieve the above purpose, the technical solution adopted by the utility model is: to provide a continuous feeding and mixing device, including a frame body. An operation platform is arranged inside the frame body. A plurality of loss-in-weight feeders and a plurality of vacuum feeding machines are sequentially arranged on the upper end surface of the operation platform from bottom to top. A plurality of the vacuum feeding machines are respectively connected to a plurality of the loss-in-weight feeders. A quantitative feeding valve is connected to the lower end of the vacuum feeding machine. An installation chamber is arranged below the operation platform. The installation chamber is located below the operation platform. A conical aggregate bin is arranged at the top of the installation chamber. The upper end of the conical aggregate bin is connected to a plurality of the loss-in-weight feeders. The lower end of the conical aggregate bin is connected to a mixer. The mixer is located inside the installation chamber. The outlet end of the mixer extends to one side of the frame body and is connected to a discharge pipe.
[0006] In a possible implementation manner, the frame body includes a lower frame and an upper frame arranged above the lower frame. The installation chamber is longitudinally opened in the middle of the lower frame. The operation platform is located above the lower frame and inside the upper frame.
[0007] In a possible implementation, a plurality of universal wheels are provided at the bottom of the lower frame. A plurality of independent brackets are longitudinally arranged in the installation chamber. The lower ends of the plurality of independent brackets are connected with hoofs. The upper ends of the plurality of independent brackets penetrate through the lower frame and are connected to the lower end surface of the operation platform. A plurality of detachable temporary restraint brackets are arranged between the lower frame and the operation platform.
[0008] In a possible implementation, a glass shield is provided around the outer periphery of the upper frame. The operation platform and the plurality of loss-in-weight feeders are located inside the glass shield. A steel plate shield is provided at the top of the upper frame. The plurality of vacuum loading machines are located inside the steel plate shield.
[0009] In a possible implementation, a buffer silo is arranged between the vacuum loading machine and the loss-in-weight feeder. A level gauge is arranged on the buffer silo.
[0010] In a possible implementation, a breather is arranged on the buffer silo. The breather is used for pressure relief when the vacuum loading machine performs back blowing.
[0011] In a possible implementation, a feed flexible connecting pipe is arranged at the upper feed inlet of the loss-in-weight feeder. The feed flexible connecting pipe is connected to the buffer silo. A discharge flexible connecting pipe is arranged at the lower discharge outlet of the loss-in-weight feeder. The discharge flexible connecting pipe is connected to the conical aggregate bin.
[0012] In a possible implementation, the conical aggregate bin is connected to the main frame body and provided with a buffer pad. A vibrator is installed on the outer wall of the conical aggregate bin.
[0013] In a possible implementation, an air pressure relief device is arranged above the outlet end of the mixer.
[0014] In a possible implementation, a uniformity detection probe and a material sampling valve are arranged on the discharge pipe. A compressed air purge nozzle is arranged on the opposite side of the uniformity detection probe. The compressed air purge nozzle intermittently purges the uniformity detection probe in pulses. The lower end of the discharge pipe is provided with a qualified material discharge pipe and an unqualified material discharge pipe in parallel. A material diversion valve is arranged between the qualified material discharge pipe and the unqualified material discharge pipe. The material sampling valve is electrically connected to the material diversion valve through a controller to control the switching and opening of the qualified material discharge pipe and the unqualified material discharge pipe.
[0015] The beneficial effects of a continuous feeding and mixing device provided by the present utility model are as follows: Compared with the prior art, a plurality of loss-in-weight feeders and a plurality of vacuum feeding machines are sequentially arranged on the operation platform of the frame body from bottom to top. The plurality of loss-in-weight feeders and the plurality of vacuum feeding machines are in one-to-one correspondence and communication. A quantitative feeding valve is connected to the lower end of the vacuum feeding machine. The lower ends of the plurality of loss-in-weight feeders are sequentially communicated with a conical aggregate bin and a mixer in common. The outlet end of the mixer extends to one side of the frame body and is connected with a discharge pipe. The continuous feeding and mixing device provided by the present utility model can integrate the loss-in-weight feeder, the vacuum feeding machine, the quantitative feeding valve, the conical aggregate bin and the mixer on the frame body together, adopt a standard modular and integrated design structure, and can realize a continuous production process. At the same time, measures such as protection, isolation and vibration reduction are taken for the loss-in-weight feeder to avoid the influence of external interference factors on the stability of the loss-in-weight feeder. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following will briefly introduce the drawings required for use in the embodiments or the description of the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.
[0017] Figure 1 is a three-dimensional view of a continuous feeding and mixing device provided by the present utility model;
[0018] Figure 2 is a front view of a continuous feeding and mixing device provided by the present utility model;
[0019] Figure 3 is a side view of a continuous feeding and mixing device provided by the present utility model.
[0020] Description of the reference numerals:
[0021] 1, lower frame; 2, upper frame; 3, operation platform; 4, loss-in-weight feeder; 5, vacuum feeding machine; 6, conical aggregate bin; 7, mixer; 8, installation chamber; 9, discharge pipe; 10, universal wheel; 11, independent support; 12, foot hoof; 13, temporary restraint support; 14, glass shield; 15, steel plate shield; 16, buffer bin; 17, level gauge; 18, quantitative feeding valve; 19, breather; 20, feeding flexible connecting pipe; 21, discharging flexible connecting pipe; 22, buffer pad; 23, vibrator; 24, air pressure relief device; 25, uniformity detection probe; 26, material sampling valve; 27, compressed air purging nozzle; 28, qualified material discharge pipe; 29, unqualified material discharge pipe; 30, material diversion valve. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0022] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present utility model clearer and more understandable, the present utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.
[0023] In the claims, description and above-mentioned drawings of the present utility model, unless otherwise clearly defined, when using terms such as "first", "second" or "third", etc., they are used to distinguish different objects and not to describe a specific order.
[0024] In the claims, description and above-mentioned drawings of the present utility model, unless otherwise clearly defined, for orientation terms, when using terms such as "center", "horizontal", "vertical", "level", "vertical", "top", "bottom", "inner", "outer", "upper", "lower", "front", "rear", "left", "right", "clockwise", "counterclockwise", "high", "low", etc. to indicate the orientation or position relationship, it is based on the orientation and position relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, so it cannot be understood as limiting the specific protection scope of the present utility model.
[0025] Please refer to Figures 1 to 3 , and now a continuous feeding and mixing device provided by the present utility model will be described. A continuous feeding and mixing device includes a frame body. An operation platform 3 is arranged inside the frame body. A plurality of loss-in-weight feeders 4 and a plurality of vacuum feeding machines 5 are sequentially arranged on the upper end surface of the operation platform 3 from bottom to top. A plurality of vacuum feeding machines 5 are connected to a plurality of loss-in-weight feeders 4 one by one. A quantitative feeding valve 18 is connected to the lower end of the vacuum feeding machine 5. An installation chamber 8 is arranged below the operation platform 3. A conical aggregate bin 6 is arranged at the top of the installation chamber 8. The upper end of the conical aggregate bin 6 is connected to a plurality of loss-in-weight feeders 4. The lower end of the conical aggregate bin 6 is connected to a mixer 7. The mixer 7 is arranged inside the installation chamber 8. The outlet end of the mixer 7 extends to one side of the frame body and is connected to a discharge pipe 9.
[0026] The utility model provides a continuous feeding and mixing device. Compared with the prior art, the operating platform 3 of the frame body is sequentially provided with multiple weightless feeders 4 and multiple vacuum feeders 5 from bottom to top. The multiple weightless feeders 4 and multiple vacuum feeders 5 are connected one by one, and the lower end of the vacuum feeder 5 is connected with a quantitative feeding valve 18. The lower ends of the multiple weightless feeders 4 are connected to the conical collection bin 6 and the mixer 7 in sequence. The outlet end of the mixer 7 extends to one side of the frame body and is connected with a discharge pipe 9. The utility model provides a continuous feeding and mixing device, which can integrate the weightless feeder 4, the vacuum feeder 5, the quantitative feeding valve 18, the conical collection bin 6 and the mixer 7 on the frame body, and adopts a standard modular and integrated design structure to realize a continuous production process. As an integrated and modular system, the integrated modular continuous feeding and mixing device can directly connect to the downstream wet granulation link, dry material preparation link and direct tableting link. At the same time, protection, isolation, vibration reduction and other measures are taken for the loss-in-weight feeder 4 to prevent external interference factors from affecting the stability of the loss-in-weight feeder 4.
[0027] Specifically, the frame body includes a lower frame 1 and an upper frame 2 arranged above the lower frame 1, the installation chamber 8 is longitudinally opened in the middle of the lower frame 1, an electrical control room is arranged on the front side of the installation chamber 8, and a pneumatic control room is arranged on the rear side of the installation chamber 8. The electrical control room provides electrical energy for the electric components on the equipment, and the pneumatic control room provides air source for the pneumatic components on the equipment.
[0028] Among them, a plurality of universal wheels 10 are arranged at the bottom of the lower frame 1, and the universal wheels 10 can lock and adjust the support height, so as to achieve the positioning and height adjustment of the overall frame body. A plurality of independent brackets 11 are arranged longitudinally in the installation chamber 8, and the lower ends of the plurality of independent brackets 11 are connected with foot hooves 12, and the upper ends of the plurality of independent brackets 11 pass through the lower frame 1 and are connected to the lower end surface of the operating platform 3. A plurality of detachable temporary restraint brackets 13 are arranged between the lower frame 1 and the operating platform 3, and the plurality of temporary restraint brackets 13 temporarily support the operating platform 3 in the circumferential direction. During transportation, the foot hooves 12 are lifted upward and leave the ground, and the plurality of independent brackets 11 are no longer in contact with the ground through the foot hooves 12, and the entire equipment can be moved and transported through the plurality of universal wheels 10. During operation, the foot hooves 12 of the plurality of independent brackets 11 are lowered and supported on the ground, and the plurality of temporary restraint brackets 13 are removed. The plurality of independent brackets 11 are relatively independent from the upper frame 2 and the lower frame 1, so as to avoid the vibration of the frame body and affect the stability of the weightlessness feeder 4.
[0029] Among them, the lower part of the upper frame 2 is circumferentially provided with a plurality of support rods, and a glass shield 14 is arranged between adjacent support rods. The plurality of glass shields 14 surround the outside of the operation platform 3 and the plurality of loss-in-weight feeders 4, effectively protecting the plurality of loss-in-weight feeders 4 and preventing the room air flow from affecting the stability of the loss-in-weight feeders 4, and not affecting the observation effect. One side of the glass shield 14 is hinged and the other side can be rotated and opened or closed through a handle, which is convenient for maintaining the loss-in-weight feeder 4. The top of the upper frame 2 is of a frame structure, and a top plate is arranged inside. A corresponding plurality of through holes are opened on the top plate for the vacuum loader 5 to connect with the loss-in-weight feeder 4. A steel plate shield 15 is installed at the upper end of the top plate, and the plurality of vacuum loaders 5 are located inside the steel plate shield 15 and are respectively connected to the steel plate shield 15, thereby improving the installation stability of the vacuum loader 5 and reducing vibration from affecting the feeding.
[0030] Please refer to Figure 1 and Figure 3 , a buffer bin 16 is arranged between the vacuum loader 5 and the loss-in-weight feeder 4. The buffer bin 16 is of a conical structure, and it extends downward through the through hole of the top plate and is respectively connected to the corresponding loss-in-weight feeder 4. The buffer can pre-store materials and enter the loss-in-weight feeder 4 in a quantitative manner. A level gauge 17 is arranged on the buffer bin 16 to ensure that there is enough material in the buffer bin 16, and the vacuum loader 5 automatically replenishes materials, which can avoid the vibration generated by manual feeding from affecting the stability of the loss-in-weight feeder 4. A metering feed valve 18 is arranged at the bottom of the buffer bin 16, which can feed materials at a uniform speed, regularly and quantitatively, avoiding the impact of materials during each feeding from affecting the stability of the loss-in-weight feeder 4.
[0031] Please refer to Figure 1 , a breather 19 is arranged on the buffer bin 16. The breather 19 is used for pressure relief when the vacuum loader 5 back blows, avoiding the vibration generated by the back blow air flow from affecting the stability of the loss-in-weight feeder 4.
[0032] Preferably, a feed flexible connecting pipe 20 is arranged at the upper feed inlet of the loss-in-weight feeder 4, and the feed flexible connecting pipe 20 is connected to the buffer bin 16. A discharge flexible connecting pipe 21 is arranged at the lower discharge outlet of the loss-in-weight feeder 4, and the discharge flexible connecting pipe 21 is connected to the conical aggregate bin 6. The feed flexible connecting pipe 20 and the discharge flexible connecting pipe 21 can buffer the vibration at the feed end and the discharge end of the loss-in-weight feeder 4, ensuring the stability of the loss-in-weight feeder 4.
[0033] Please refer to Figure 3, the conical aggregate bin 6 is located below the operation platform 3. The upper part of the conical aggregate bin 6 is located above the upper frame 2, and the lower part of the conical aggregate bin 6 penetrates into the installation chamber 8. A vibrator 23 is installed on the outer wall of the lower part of the conical aggregate bin 6. The vibrator 23 drives the conical aggregate bin 6 to vibrate so that the materials in the conical aggregate bin 6 can more easily fall into the mixer 7, reducing the residue of materials in the conical aggregate bin 6. At the same time, a plurality of connecting plates are fixedly welded to the outer periphery of the upper part of the conical aggregate bin 6, and buffer pads 22 are provided between the connecting plates and the upper end surface of the upper frame 2. The buffer pads 22 can buffer the vibration of the conical aggregate bin 6.
[0034] Please refer to Figure 2 , above the outlet end of the mixer 7, an air pressure relief device 24 is provided. The air pressure relief device 24 is an air pressure relief valve, which can perform passive pressure relief or active pressure relief through a negative pressure method, so that the flow direction of the materials and air in the conical aggregate bin 6 and the mixer 7 is kept consistent. When the system pressure in the mixer 7 and its discharge pipe 9 exceeds the preset safety pressure value, the pressure relief is automatically activated to protect the system equipment from being damaged by excessive pressure and ensure the safe operation of the system.
[0035] Please refer to Figure 2 and Figure 3 , on the discharge pipe 9, a uniformity detection probe 25 and a material sampling valve 26 are provided. On the opposite side of the uniformity detection probe 25, a compressed air purge nozzle 27 is provided. The compressed air purge nozzle 27 purges the uniformity detection probe 25 in a pulsed intermittent manner, which can keep the uniformity detection probe 25 clean and avoid errors in detecting the uniformity of the materials by the uniformity detection probe 25. The material sampling valve 26 performs real-time sampling and detection on the materials in the discharge pipe 9 to determine whether the materials meet the requirements. The lower end of the discharge pipe 9 is provided with a qualified material discharge pipe 28 and an unqualified material discharge pipe 29 in parallel, and a material diverter valve 30 is provided between the qualified material discharge pipe 28 and the unqualified material discharge pipe 29. When the materials sampled by the material sampling valve 26 meet the requirements, the material sampling valve 26 sends a signal to the corresponding controller, and the controller controls the material diverter valve 30 to act, opens the qualified material discharge pipe 28 and closes the unqualified material discharge pipe 29 at the same time, and the qualified materials are discharged from the qualified material discharge pipe 28; when the materials sampled by the material sampling valve 26 do not meet the requirements, the material sampling valve 26 sends a signal to the corresponding controller, and the controller controls the material diverter valve 30 to act, closes the qualified material discharge pipe 28 and opens the unqualified material discharge pipe 29 at the same time, and the unqualified materials are discharged from the unqualified material discharge pipe 29.
[0036] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.
Claims
1. A continuous feeding mixing device, characterized in that: The invention comprises a frame body, wherein an operating platform (3) is arranged inside the frame body, and a plurality of loss-in-weight feeders (4) and a plurality of vacuum loaders (5) are arranged on the upper end surface of the operating platform (3) in sequence from bottom to top, and the plurality of vacuum loaders (5) are connected to the plurality of loss-in-weight feeders (4) in a one-to-one correspondence, and the lower end of the vacuum loaders (5) is connected to a quantitative feeding valve (18), and a mounting chamber (8) is arranged at the lower part of the operating platform (3), and the mounting chamber (8) is located below the operating platform (3), and a conical material collection bin (6) is arranged on the top of the mounting chamber (8), and the upper end of the conical material collection bin (6) is connected to the plurality of loss-in-weight feeders (4), and the lower end of the conical material collection bin (6) is connected to a mixer (7), and the mixer (7) is located in the mounting chamber (8), and the outlet end of the mixer (7) extends to one side of the frame body and is connected to a discharge pipe (9).
2. A continuous feeding mixing device as claimed in claim 1, characterized in that: The frame body comprises a lower frame (1) and an upper frame (2) arranged above the lower frame (1); the installation chamber (8) is longitudinally opened in the middle of the lower frame (1); and the operating platform (3) is located above the lower frame (1) and inside the upper frame (2).
3. A continuous feeding mixing device as claimed in claim 2, characterized in that: A plurality of universal wheels (10) are arranged at the bottom of the lower frame (1), a plurality of independent brackets (11) are arranged longitudinally in the installation chamber (8), the lower ends of the plurality of independent brackets (11) are connected to foot hooves (12), the upper ends of the plurality of independent brackets (11) pass through the lower frame (1) and are connected to the lower end surface of the operating platform (3), and a plurality of detachable temporary restraint brackets (13) are arranged between the lower frame (1) and the operating platform (3).
4. A continuous feeding mixing device as claimed in claim 2, characterized in that: A glass shield (14) is provided on the outer periphery of the upper frame (2), the operating platform (3) and the plurality of loss-in-weight feeders (4) are located inside the glass shield (14), a steel plate shield (15) is provided on the top of the upper frame (2), and the plurality of vacuum feeders (5) are located inside the steel plate shield (15).
5. A continuous feeding mixing device as claimed in claim 1, characterized in that: A buffer silo (16) is provided between the vacuum feeder (5) and the loss-in-weight feeder (4), and a material level meter (17) is provided on the buffer silo (16).
6. A continuous feeding mixing device as claimed in claim 5, characterized in that: The buffer bin (16) is provided with a respirator (19), and the respirator (19) is used to release pressure when the vacuum loader (5) is backblowing.
7. A continuous feeding mixing device as claimed in claim 5, characterized in that: The upper feed port of the loss-in-weight feeder (4) is provided with a feed flexible connecting pipe (20), and the feed flexible connecting pipe (20) is connected to the buffer bin (16); the lower discharge port of the loss-in-weight feeder (4) is provided with a discharge flexible connecting pipe (21), and the discharge flexible connecting pipe (21) is connected to the conical collection bin (6).
8. A continuous feeding mixing device as claimed in claim 1, characterized in that: The conical material collection bin (6) is connected to the frame body and is provided with a buffer pad (22); a vibrator (23) is installed on the outer wall of the conical material collection bin (6).
9. A continuous feeding mixing device as claimed in claim 1, characterized in that: An air pressure relief device (24) is provided above the outlet end of the mixer (7).
10. A continuous feeding mixing device as claimed in claim 1, characterized in that: The discharge pipe (9) is provided with a uniformity detection probe (25) and a material sampling valve (26); a compressed air purge nozzle (27) is provided on the opposite side of the uniformity detection probe (25); the compressed air purge nozzle (27) intermittently purges the uniformity detection probe (25) in pulses; a qualified material discharge pipe (28) and an unqualified material discharge pipe (29) are provided in parallel at the lower end of the discharge pipe (9); a material diverter valve (30) is provided between the qualified material discharge pipe (28) and the unqualified material discharge pipe (29); the material sampling valve (26) is electrically connected to the material diverter valve (30) through a controller to control the switching and opening of the qualified material discharge pipe (28) and the unqualified material discharge pipe (29).