Automatic weighing and feeding device for chemical ingredients

Abstract

The utility model discloses an automatic weighing and feeding device for chemical batching, which comprises a rack and further comprises a weighing and feeding unit connected with the rack through a sliding assembly. The sliding assembly comprises a supporting frame and a sliding plate arranged on the supporting frame in a sliding mode through a sliding module. The weighing and feeding unit is arranged on the sliding plate, and the cross section of the supporting frame is of a U-shaped structure so that the supporting frame can be matched with the discharging end space of the weighing and feeding unit to form a U-shaped cavity. The utility model has the beneficial effects that the weighing and charging unit can freely move along the sliding component, and the weighing and charging unit and the mixing container can be flexibly adjusted according to actual requirements, so that the universality and the flexibility of the equipment are improved.

Description

Technical Field

[0001] The utility model belongs to the field of chemical ingredient weighing, and more specifically, relates to a feeding device for chemical ingredient mixing. Background Art

[0002] In the high-precision chemical ingredient production in the aerospace and military industries. Among them, especially for the viscous fluid materials in chemical raw materials, ingredient mixing is a key link to ensure product quality and production efficiency. The traditional chemical ingredient mixing process has the following defects:

[0003] 1. It relies on manual operation, which is not only inefficient, but also the fixed feeding device cannot feed multiple mixing containers at different positions when facing different production lines.

[0004] 2. It cannot achieve automatic weighing during the feeding process.

[0005] 3. When facing the viscous fluid materials in chemical raw materials, it cannot achieve functions such as high precision and adjustable speed.

[0006] Traditional feeding devices often adopt a fixed design, that is, the material storage and feeding mechanism are fixed at a certain position and cannot be flexibly adjusted according to actual needs. This fixed design is particularly inconvenient when dealing with different ingredient ratios, different material types or changes in the production line layout, which not only increases the operation difficulty, but also may affect the accuracy and efficiency of ingredient mixing. For example, a solid-liquid ingredient mixing device for chemical production disclosed in Patent No. CN202122400765.2, during the working process of this device, its feeding device and the feeding container are in fixed positions and cannot be flexibly fed during actual production. Summary of the Utility Model

[0007] An object of the utility model is to solve at least the above problems and / or defects and provide at least the advantages described hereinafter.

[0008] To achieve these objects and other advantages according to the utility model, an automatic weighing and feeding device for chemical ingredient mixing is provided, including: a frame, and further including: a feeding unit, and the weighing and feeding unit is connected to the frame through a sliding component;

[0009] Wherein, the sliding component includes: a support frame with a U-shaped structure,

[0010] a slide plate slidably arranged on the support frame through a sliding module;

[0011] The weighing and feeding unit is arranged on the slide plate, and a feeding end is arranged at the bottom of the weighing and feeding unit.

[0012] Preferably, the weighing and feeding unit includes: a preheating and storage component and a weighing and feeding component arranged on the slide plate;

[0013] Among them, the preheating storage component is located above the weighing and feeding component, and the discharge port of the preheating storage component is directly above the feed port of the weighing and feeding component.

[0014] Preferably, the preheating storage component includes: a plurality of support columns I arranged on the slide plate, a storage tank is arranged at the top of the support column I, a cover for closing the storage tank is arranged at the top of the storage tank, a discharge pipe communicating with the inside of the storage tank is arranged at the bottom of the storage pipe, and an automatic throttle valve I is arranged at the end of the discharge pipe;

[0015] Among them, the end of the discharge pipe is directly above the feed port of the weighing and feeding component, and the automatic throttle valve I is connected to an external controller.

[0016] Preferably, a hot water jacket is arranged on the outer wall of the storage tank, the hot water jacket is connected to an external heat circulation device through a quick-connect water joint, and a heat preservation jacket fitting the discharge pipe is arranged outside the discharge pipe;

[0017] Among them, the lower half of the storage tank is in a conical structure in space.

[0018] Preferably, the weighing and feeding component includes: an electronic scale arranged on the slide plate, a hopper arranged on the electronic scale through a plurality of support rods II, a cover for closing the hopper is arranged at the top of the hopper, a feed port matching the discharge pipe in space is arranged in the middle of the cover, a feed pipe I and a feed pipe II arranged at the bottom of the hopper and communicating with the inside of the hopper;

[0019] Among them, the diameter of the feed pipe II is smaller than that of the feed pipe I, an automatic throttle valve II is arranged on the pipeline of the feed pipe I, an electric screw valve is arranged on the pipeline of the feed pipe II, the automatic throttle valve II and the electric screw valve are connected to an external controller, a through hole I for the feed pipe I and the feed pipe II on the hopper to extend out is arranged on the electronic scale, and the electronic scale is connected to an external controller.

[0020] Preferably, a feeding needle is detachably connected to the front end of the electric screw valve.

[0021] Preferably, it further includes: a receiving tray component arranged at the bottom of the slide plate and matching the end of the feed pipe I in space;

[0022] Among them, the receiving tray component includes: a receiving tray, and the receiving tray is directly below the feed pipe I;

[0023] A rotating component arranged at the bottom of the slide plate, the output end of the rotating component is connected to the receiving tray so that the receiving tray can reciprocate in the space direction, and the rotating component is connected to an external controller.

[0024] The utility model has at least the following beneficial effects: the weighing and feeding unit can move freely along the sliding component, and the weighing and feeding unit and the feeding container can be flexibly adjusted according to actual needs, improving the versatility and flexibility of the feeding device.

[0025] Other advantages, objectives and features of the utility model will be partially reflected by the following description, and partially will also be understood by those skilled in the art through the research and practice of the utility model. Description of the Drawings

[0026] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0027] Figure 2 It is a side view of the overall structure of the utility model;

[0028] Figure 3 It is a schematic diagram of the spatial structure of the frame, the sliding component and the material receiving tray component;

[0029] Figure 4 It is a side view of the feeding component;

[0030] Figure 5 It is a schematic diagram of the spatial structure of the feeding component, the material storage component and the material receiving tray component;

[0031] Figure 6 It is a schematic diagram of the overall structure of the feeding component.

[0032] Markings in the figure: 1. Frame, 2. Support column I, 3. Storage tank, 4. Feeding pipe, 5. Automatic throttle valve I, 6. Electronic scale, 7. Support rod II, 8. Hopper, 9. Cover plate, 10. Feeding port, 11. Feeding pipe I, 12. Feeding pipe II, 13. Automatic throttle valve II, 14. Electric screw valve, 15. Support frame, 16. Slide plate, 17. Rodless cylinder, 18. Slide block, 19. Material receiving tray, 20. Rotating part, 21. Through hole I, 22. Feeding needle. Detailed Description of the Preferred Embodiment

[0033] The following further detailed description of the present invention is provided in conjunction with the accompanying drawings, so that those skilled in the art can implement it with reference to the text of the specification.

[0034] It should be understood that the terms such as "having", "comprising" and "including" used herein do not exclude the presence or addition of one or more other elements or their combinations.

[0035] It should be noted that in the description of the present utility model, the orientation or positional relationship indicated by the terms is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0036] In the description of the present utility model, unless otherwise clearly specified and defined, the terms "installed", "provided with", "sheathed / connected", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection, it can be a mechanical connection, an electrical connection or a communication connection, it can be directly connected, or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0037] In addition, in the present utility model, unless otherwise clearly specified and defined, the first feature being "on" or "under" the second feature can be that the first and second features are in direct contact, or the first and second features are indirectly in contact through an intermediate medium. Moreover, the first feature being "above", "over" and "on the top of" the second feature can be that the first feature is directly above or obliquely above the second feature, or merely indicates that the first feature has a higher horizontal height than the second feature. The first feature being "under", "beneath" and "under the bottom of" the second feature can be that the first feature is directly below or obliquely below the second feature, or merely indicates that the first feature has a lower horizontal height than the second feature.

[0038] As Figure 1 shown, an automatic weighing and feeding device for chemical batching includes: a frame 1, and further includes: a weighing and feeding unit, and the feeding unit is connected to the frame 1 through a sliding assembly;

[0039] Among them, the sliding assembly includes: a support frame 15 with a U-shaped structure,

[0040] a sliding plate 16 slidably arranged on the support frame 15 through a sliding module;

[0041] The weighing and feeding unit is arranged on the sliding plate 16, and a feeding end is arranged at the bottom of the weighing and feeding unit.

[0042] Working principle:

[0043] During the working process, first, a sufficient amount of chemical raw materials are added to the preheating storage component of the weighing and feeding unit. After the materials are preheated, the controller starts the sliding module, which is configured as a rodless cylinder 17 arranged inside the support frame 15. A slider 18 on the rodless cylinder 17 is connected to the slide plate 16, and the slide plate 16 slides through guide rails arranged in pairs at the top of the support frame 15. Thus, the rodless cylinder 17 drives the weighing and feeding unit on the slide plate 16 to move forward. At the same time, there is a U-shaped cavity inside the support frame 15 for the discharging end of the weighing and feeding unit to extend into, avoiding interference between the discharging end of the feeding unit and the support frame 15 during the movement. When the weighing and feeding unit reaches directly above the external feeding container, through an external controller, the opening and closing of the weighing and feeding unit are controlled, and the materials are discharged from the weighing and feeding unit and enter the feeding container. The weighing and feeding unit can move freely along the sliding component, and the feeding unit and the feeding container can be flexibly adjusted according to actual needs, improving the versatility and flexibility of the equipment.

[0044] In the above technical solution, the feeding unit includes: a preheating storage component and a weighing and feeding component arranged on the slide plate 16;

[0045] Among them, the preheating storage component is located above the weighing and feeding component, and the discharging port of the preheating storage component is directly above the feeding port of the weighing and feeding component. Adopting this technical solution, the preheating storage component is used to store the chemical raw materials or ingredients to be preheated and added, and has sufficient capacity to accommodate the required materials. It ensures continuous feeding into the weighing and feeding component. The weighing and feeding component adds the materials from the weighing hopper into the feeding port of the mixing container, can control the feeding accuracy and speed, and ensures that during the material feeding process, the material storage component can ensure continuous feeding, and the feeding component controls the accuracy and speed during feeding.

[0046] In the above technical solution, the preheating storage component includes: multiple support columns I 2 arranged on the slide plate 16, a storage tank 3 is arranged at the top of the support columns I 2, a cover for closing the storage tank 3 is arranged at the top of the storage tank 3, a discharging pipe 4 communicating with the inside of the storage tank 3 is arranged at the bottom of the storage pipe, and an automatic throttle valve I 5 is arranged at the end of the discharging pipe 4;

[0047] Among them, the end of the blanking pipe 4 is located directly above the feed inlet of the weighing and feeding assembly, and the automatic throttle valve I 5 is connected to an external controller. With this technical solution, the storage tank 3 is arranged on the sliding plate 16 through a plurality of support columns I 2, and a cover (not shown in the figure) is provided at the top of the storage tank 3, which has a heat preservation effect. The preheating storage assembly feeds materials into the feed inlet of the weighing and feeding assembly through the blanking pipe 4. The external controller controls the opening and closing of the electric throttle valve I 5 to achieve automatic feeding into the weighing and feeding assembly. The blanking part of the electric throttle valve I 5 at the end of the blanking pipe 4 is located directly above the feed inlet of the weighing and feeding assembly, and is connected to the weighing and feeding assembly in a non-contact manner, preventing the weighing accuracy of the weighing and feeding assembly from being affected.

[0048] In the above technical solution, a hot water jacket (not shown in the figure) is provided on the side wall of the storage tank 3. The hot water jacket is connected to an external heat circulation device (not shown in the figure) through a quick-connect water joint (not shown in the figure). A heat preservation jacket (not shown in the figure) that fits closely to it is provided outside the blanking pipe 4. Among them, the lower half of the storage tank 3 is conical in structure in space. With this technical solution, the lower half of the storage tank 3 is conical in structure, which improves the fluidity of the chemical materials inside the funnel 8 and reduces the residue of the chemical materials. At the same time, a hot water jacket is provided on the side wall of the storage tank 3 and is connected to an external heat circulation device (the external heat circulation device mentioned here is a hot water circulation device) through a quick-connect water joint. While using hot water to preheat the materials in the storage tank 3, it also ensures its fluidity. The heat preservation jacket provided outside the blanking pipe 4 reduces the heat loss of the materials and ensures good fluidity during the feeding process.

[0049] In the above technical solution, the weighing and feeding assembly includes: an electronic scale 6 arranged on the sliding plate 16, a hopper 8 arranged on the electronic scale 6 through a plurality of support rods II 7, a cover plate 9 for closing the hopper 8 is provided at the top of the hopper 8, a feed inlet 10 that is spatially coordinated with the blanking pipe 4 is provided in the middle of the cover plate 9, a feeding pipe I 11 and a feeding pipe II 12 that are arranged at the bottom of the hopper 8 and are communicated with the inside of the hopper 8;

[0050] Among them, the diameter of the feeding pipe II 12 is smaller than that of the feeding pipe I 11, and an automatic throttle valve II 13 is provided on the pipeline of the feeding pipe I 11, and an electric screw valve 14 is provided on the pipeline of the feeding pipe II 12. The automatic throttle valve II 13 and the electric screw valve 14 are connected to an external controller. A through hole I 21 through which the feeding pipe I 11 and the feeding pipe II 12 on the feeding hopper 8 extend is provided on the electronic scale, and the electronic scale is connected to an external controller. With this technical solution, the hopper 8 is arranged on the electronic scale 6 through multiple support rods II 7, and the electronic scale 6 is connected to an external controller, which can detect the weight inside the hopper 8 in real time (an anti-adhesion coating is sprayed on the inner wall of the hopper 8, which can ensure smooth flow of the material during the flow process and avoid the formation of difficult-to-remove accumulated material on the wall of the hopper 8). At the same time, the feeding pipe 4 feeds materials into the hopper 8 through the feeding port 10 opened in the middle of the cover plate 9. The external controller controls the opening of the electric throttle valve II 13 on the feeding pipe I 11, and the feeding pipe I 11 performs rough feeding to the mixing container. During the feeding process, the electronic scale 6 weighs in real time. When the rough feeding reaches 99.4% of the preset value, the controller controls the automatic throttle valve II 13 to close. At the same time, the receiving tray rotates to directly below the feeding pipe I to prevent the material inside the feeding pipe I from dripping into the mixing container. The controller controls the opening of the electric screw valve 14 on the feeding pipe II 12, and the feeding pipe II 12 performs fine feeding to the mixing container. When the fine feeding reaches 99.94% of the preset value, the electric screw valve 14 switches to the titration mode to directly titrate and feed the mixing container. Here, the electric screw valve is a precision electric screw valve, which can be adjusted at 1-100 revolutions per minute. At the same time, the specifications of the electric screw valve can be selected according to actual needs to achieve 0.03-0.14 ml of material per revolution (drop). When the predetermined feeding amount reaches 100%, the controller closes the electric screw valve 14 to complete the final feeding. By providing the feeding pipe I 11 and the feeding pipe II 12 with different diameters on the hopper 8, and respectively configuring the automatic throttle valve II 13 and the electric screw valve 14 on the corresponding pipelines, the fine adjustment of the material outflow speed is realized, ensuring a smaller flow adjustment range and higher accuracy.

[0051] In the above technical solution, a feeding needle 22 is detachably connected to the front end of the electric screw valve 14. With this technical solution, since the diameter of the feeding pipe at the front end of the electric screw valve 14 is relatively thin and is prone to blockage, it is designed as a quick-release structure, and a standard disposable needle is selected. It can be quickly replaced after feeding, which improves work efficiency and has a lower use cost.

[0052] In the above technical solution, it further includes: a receiving tray assembly provided at the bottom of the sliding plate 16 and spatially matched with the end of the feeding pipe I 11;

[0053] Among them, the receiving tray assembly includes: a receiving tray 19, and the receiving tray 19 is located directly below the feeding pipe I 11;

[0054] A rotating component 20 is provided at the bottom of the skateboard 16. The output end of the rotating component 20 is connected to the material receiving tray 19 so that the material receiving tray 19 can reciprocate in the spatial direction. The rotating component 20 is connected to an external controller. With this technical solution, the material receiving tray 19 is driven by the rotating component 20. After each batch of the feeding assembly finishes rough feeding into the mixing pot, the controller controls the rotating component 20 to rotate the material receiving tray 19 to directly below the feeding pipe I 11 (since the chemical material is a viscous fluid, after the rough feeding is completed, due to the relatively thick diameter of the feeding pipe I 11, dripping is likely to occur, affecting the feeding accuracy of the material), and drip prevention and leakage prevention are achieved. The rotating material receiving process is stable, and the rotation speed of the rotating component 20 is adjustable to prevent material splashing caused by excessive rotation speed.

[0055] Although the embodiments of the present invention have been disclosed as above, it is not limited to only the applications listed in the specification and the embodiments. It can be fully applied to various fields suitable for the present invention. For those familiar with the field, additional modifications can be easily achieved. Therefore, without departing from the general concept defined by the claims and the equivalent scope, the present invention is not limited to the specific details and the illustrated and described examples here.

Claims

1. An automatic weighing and feeding device for chemical batching, comprising: Frame, characterized in that it further comprises: a weighing and feeding unit, and the weighing and feeding unit is connected to the frame through a sliding assembly; Wherein, the sliding assembly includes: a support frame with a U-shaped structure, A skateboard slidably arranged on the support frame through a sliding module; The weighing and feeding unit is arranged on the skateboard, and a material discharging end is arranged at the bottom of the weighing and feeding unit.

2. The automatic weighing and feeding device for chemical batching according to claim 1, wherein The weighing and feeding unit includes: a preheating storage assembly and a weighing and feeding assembly arranged on the skateboard; Wherein, the preheating storage assembly is located above the weighing and feeding assembly, and the material discharging port of the preheating storage assembly is directly above the feeding port of the weighing and feeding assembly.

3. The automatic weighing and feeding device for chemical batching according to claim 2, characterized in that, The preheating storage assembly includes: a plurality of support columns I arranged on the skateboard, a storage tank is arranged at the top of the support column I, a cover for closing the storage tank is arranged at the top of the storage tank, a material discharging pipe communicated with the inside of the storage tank is arranged at the bottom of the storage tank, and an automatic throttle valve I is arranged at the end of the material discharging pipe; Wherein, the end of the material discharging pipe is directly above the feeding port of the weighing and feeding assembly, and the automatic throttle valve I is connected to an external controller.

4. The automatic weighing and feeding device for chemical batching according to claim 3, characterized in that, A hot water jacket is arranged on the outer wall of the storage tank, the hot water jacket is connected to an external heat circulation device through a quick-connect water joint, and a heat preservation jacket fitting the material discharging pipe is arranged outside the material discharging pipe; Wherein, the lower half of the storage tank is in a conical structure in space.

5. The automatic weighing and feeding device for chemical batching according to claim 2, characterized in that, The weighing and feeding assembly includes: an electronic scale arranged on the skateboard, a hopper arranged on the electronic scale through a plurality of support rods II, a cover plate for closing the hopper is arranged at the top of the hopper, a feeding port which is in spatial cooperation with the material discharging pipe is arranged in the middle of the cover plate, a feeding pipe I and a feeding pipe II which are arranged at the bottom of the hopper and communicated with the inside of the hopper; Wherein, the diameter of the feeding pipe II is smaller than that of the feeding pipe I, an automatic throttle valve II is arranged on the pipeline of the feeding pipe I, an electric screw valve is arranged on the pipeline of the feeding pipe II, and the automatic throttle valve II and the electric screw valve are connected to an external controller; A through hole I for the feeding pipe I and the feeding pipe II on the hopper to extend out is arranged on the electronic scale, and the electronic scale is connected to an external controller.

6. The automatic weighing and feeding device for chemical batching according to claim 5, characterized in that, A feeding needle head is detachably connected to the front end of the electric screw valve.

7. The automatic weighing and feeding device for chemical batching according to claim 5, characterized in that, It further comprises: A material receiving tray assembly arranged at the bottom of the skateboard and in spatial cooperation with the end of the feeding pipe I; Wherein, the material receiving tray assembly includes: a material receiving tray, and the material receiving tray is directly below the feeding pipe I; A rotating component arranged at the bottom of the skateboard, and the output end of the rotating component is connected to the material receiving tray so that the material receiving tray can reciprocate in the spatial direction, and the rotating component is connected to an external controller.

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