CN219580457U - Batching cauldron measurement feeding device - Google Patents

Abstract

The utility model discloses a metering and feeding device of a batching kettle, which comprises a batching kettle, a plurality of storage tanks, a plurality of feeding pumps communicated with the corresponding storage tanks, and a control box, wherein a PLC (programmable logic controller) control unit and an electric control unit are arranged in the control box, a plurality of feeding bins are fixedly arranged above the batching kettle, the metering device is arranged above the feeding bins, and comprises a lifting device, a first liquid level sensor, a second liquid level sensor, a pointer and a shell.

Description

Batching cauldron measurement feeding device

Technical Field

The utility model relates to the technical field of batching kettle filling equipment, in particular to a batching kettle metering and feeding device.

Background

The alkyd resin is produced by various common solvent method and quantitative mixing method, and the common quantitative mixing method is to produce the oil modified polyester resin by the condensation polymerization method of polyalcohol, phthalic anhydride and fatty acid or triglyceride. In the polymerization process, various raw materials are added into a batching kettle according to the proportion, and the specific gravity of each raw material is accurately measured, so that an accurate measuring and feeding device is needed in the process.

The Chinese patent with the application number of 2022215348309 discloses a precise metering and filling device which is used for filling liquid materials into one or more batching kettles and is characterized by comprising a storage box placed on the ground and one or more metering boxes which are arranged above the batching kettles in a one-to-one correspondence manner; the feeding pump is communicated with the upper part of the metering box through a feeding pipe; the side part of the metering box is provided with a flash port, the flash port is communicated with the storage box through a flash pipe, the bottom of the metering box is connected with a discharge valve which is closed when the discharging is delayed, and the discharge valve is communicated with the batching kettle through a discharge pipe. According to the technical scheme, the excessive liquid material can be fed into the metering box through the overflow hole arranged on the metering box during feeding, sufficient feeding is guaranteed, and the excessive liquid material overflows from the overflow hole, so that metering is accurate, but the overflow hole is a fixed opening, and the position of the overflow hole is not adjustable in the actual metering and filling process, so that the metering and filling device can only be used for a specific filling amount, and if the filling amount is changed, the metering and filling device with a new filling amount is required to be put into production, the application range of the metering and filling device is small, and the production cost is improved.

Disclosure of Invention

The utility model aims to provide a metering and feeding device of a batching kettle, which can accurately adjust the filling amount of materials for feeding according to process requirements and increase the application range of the metering and feeding device.

In order to achieve the above purpose, the utility model is realized by adopting the following technical scheme:

the utility model provides a batching cauldron measurement feeding device, includes the batching cauldron, sets firmly a plurality of storage tanks in batching cauldron one side and with a plurality of feed pumps that correspond the storage tank intercommunication, still including setting firmly the control box in the storage tank outside, be provided with PLC control unit and automatically controlled unit in the control box, batching cauldron top sets firmly a plurality of feed bins, every the charge door has been seted up at the feed bin top, the charge door passes through the filling tube intercommunication with corresponding feed pump, the feed bin lateral wall is provided with metering device, metering device include elevating gear, set up first level sensor in feeding bin bottom, set up second level sensor on elevating gear, with elevating gear fixed connection's pointer and set firmly the casing on elevating gear, the feed bin lateral wall corresponds the baffle position and sets up jaggedly, correspond the vertical transparent scale that is provided with in baffle position on the lateral wall, the pointer is used with transparent scale cooperation for showing the pre-charge amount of feeding material in the batching cauldron, first level sensor and second level sensor all pass through wire electric connection with control unit.

Further, elevating gear includes the servo motor that adds the feed bin top and sets up at the inboard lifter plate of baffle and with lifter plate fixed connection's ball structure, ball vertical setting is in the feed bin lateral wall top and with the fixed axle rotation in feed bin be connected, ball structural screw nut cover is equipped with the adapter sleeve, the last driven gear that has set firmly of adapter sleeve, servo motor's output has set firmly the driving gear, driving gear and driven gear meshing, servo motor passes through wire electric connection with the automatically controlled unit.

Still further, the breach department in reinforced storehouse sets up the sealing strip to be used for lifter plate and sealing strip cooperation to prevent that the material from leaking, two vertical sides of corresponding breach department have set firmly the slide rail on the reinforced storehouse lateral wall, in order to be used for the lifter plate to reciprocate in the slide rail.

Further, the second liquid level sensor is fixedly arranged on the inner side wall of the lifting plate and used for monitoring the material adding amount in the feeding bin to be equal to the pre-feeding amount.

Further, the bottom of the feeding bin is an inverted cone-shaped base with a discharge hole, and the discharge hole of the inverted cone-shaped base is connected with the feed inlet of the batching kettle through a feed conveying pipe; the feeding pipe is provided with an electromagnetic valve, and the electromagnetic valve is electrically connected with the PLC control unit through a lead and used for controlling the feeding bin to feed the batching kettle.

Further, a discharging pipe is communicated with the conveying pipe between the electromagnetic valve and the discharging hole, one end, away from the conveying pipe, of the discharging pipe is communicated with the corresponding storage box, the discharging pipe is obliquely downwards fixedly connected with the conveying pipe, and a valve body is arranged at one end, close to the conveying pipeline, of the discharging pipe and used for controlling the on-off of the discharging pipe.

The beneficial effects of the utility model are as follows: according to the utility model, the gap is formed in the side wall of the feeding bin, and the metering device is arranged at the gap, so that the filling amount of materials in the feeding bin is accurately controlled by the liquid level sensor matched with the lifting device, the filling amount can be changed according to actual process requirements, the application range of the feeding metering device is enlarged, and meanwhile, the accuracy of the filling amount is improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a metering and feeding device of a batching kettle;

FIG. 2 is a schematic cross-sectional view of a feed bin according to the present utility model;

FIG. 3 is a right side cross-sectional view of the feed bin provided by the utility model;

fig. 4 is an enlarged view of the structure of the portion a in fig. 2.

The reference numerals in the drawings indicate: 100. a batching kettle; 200. a storage bin; 300. a feed pump; 400. a control box; 500. a feeding bin; 600. a metering device; 610. a lifting device; 611. a servo motor; 612. a lifting plate; 613. a ball screw structure; 614. a transfer sleeve; 615. a driven gear; 616. a drive gear; 620. a first liquid level sensor; 630. a second liquid level sensor; 640. a pointer; 650. a housing; 700. a transparent graduated scale; 800. a discharging pipe; 901. a sealing strip; 902. a slide rail.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit or scope of the utility model, which is therefore not limited to the specific embodiments disclosed below.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Examples: the metering and feeding device of the batching kettle shown in fig. 1 and 2 comprises a batching kettle 100, a plurality of storage tanks 200 arranged on one side of the batching kettle 100 on the ground, a plurality of feeding pumps 300 communicated with the corresponding storage tanks 200, a control box 400 fixedly arranged on the outer side of the storage tanks 200, a PLC control unit and an electric control unit arranged in the control box 400, a plurality of feeding bins 500 supported and fixed above the batching kettle 100 through a mounting frame, a feeding port arranged at the top of each feeding bin 500 and communicated with the corresponding feeding pump 300 through a feeding pipe 510, a metering device 600 arranged on the side wall of the feeding bin 500, a lifting device 610, a first liquid level sensor 620 arranged at the bottom of the feeding bin 500, a second liquid level sensor 630 arranged on the lifting device 610, a pointer 640 fixedly connected with the lifting device 610 and a shell 650 fixedly arranged on the lifting device 610, the side wall of the feeding bin 500 is provided with a notch corresponding to the baffle 650, the outer side wall is vertically provided with a transparent graduated scale 700 corresponding to the baffle 650, a pointer 640 is matched with the transparent graduated scale 700 for use to display the pre-feeding amount of the materials in the feeding bin 100, the first liquid level sensor 620 and the second liquid level sensor 630 are electrically connected with a PLC control unit through wires, the PLC control unit monitors the current change of the first liquid level sensor 620 and the second liquid level sensor 630 in real time, the second liquid level sensor 630 is fixedly arranged on the inner side wall of the lifting plate 612 for monitoring the material adding amount in the feeding bin 500 to be equal to the pre-feeding amount, the pre-feeding amount of the material liquid is the material liquid amount between the first liquid level sensor 620 and the second liquid level sensor 630, the amount of liquid pre-charge displayed by the pointer 640 on the scale on which the transparent scale 700 is positioned is the amount of liquid pre-charge when the level of material liquid in the feed bin 500 has exceeded the second level sensor 630.

In addition, the bottom of the feeding bin 500 is an inverted cone-shaped base with a discharge hole, and the discharge hole of the inverted cone-shaped base is connected with the feed inlet of the batching kettle 100 through a feed conveying pipe 520; the material conveying pipe 520 is provided with an electromagnetic valve 530, and the electromagnetic valve 530 is electrically connected with the PLC control unit through a lead, so as to be used for controlling the material adding bin 500 to feed the material mixing kettle 100, and the electromagnetic valve 530 is in a normally closed state when filling liquid is injected into the material adding bin 500.

The conveying pipe 520 between the electromagnetic valve 530 and the discharge hole is communicated with the discharging pipe 800, one end of the discharging pipe 800, which is far away from the conveying pipe 520, is communicated with the corresponding storage box 200, the discharging pipe 800 is obliquely downwards fixedly connected with the conveying pipe 520, one end of the discharging pipe 800, which is close to the conveying pipe 520, is provided with a valve body for controlling the on-off of the discharging pipe 800, and when residual materials exist in the conveying pipe, the residual material liquid can be returned to the storage box 200 through the discharging pipe 800.

In this embodiment, the lifting device 610 shown in fig. 2 and 3 includes a servo motor 611 fixed above the feeding bin 500 through a motor support plate, a lifting plate 612 disposed on the inner side of the baffle 650, and a ball screw structure 613 fixed with the lifting plate 612 through bolts, the second liquid level sensor 630 is mounted on the inner side of the lifting plate 612, the ball screw is vertically disposed above the side wall of the feeding bin 500 and is fixedly connected with the feeding bin 500 through a fixed shaft, a lead screw nut of the ball screw structure 613 is sleeved with a transfer sleeve 614, a driven gear 615 is connected with the transfer sleeve 614 through a key, an output end of the servo motor 611 is connected with a driving gear 616 through a key, the driving gear 616 is meshed with the driven gear 615, and the servo motor 611 is electrically connected with the electric control unit through a wire.

In this embodiment, a sealing strip 901 is disposed at a notch of the feeding bin 500 as shown in fig. 4, so as to be used for preventing the material from leaking out when the lifting plate 612 cooperates with the sealing strip, and two vertical sides of the outer side wall of the feeding bin 500 corresponding to the notch are fixedly provided with sliding rails 902, so that the lifting plate 612 moves up and down in the sliding rails.

The process of accurately injecting liquid material into the charging bin 500 by the storage bin 200 is as follows: according to the pre-filling amount required by the process, a signal is sent to an electric control unit through a PLC control unit of the control box 400, the electric control unit controls a servo motor 611 to start, the servo motor 611 drives a driving gear 616 to rotate and further drives a driven gear 615 to rotate, thereby driving a screw nut to rotate fixedly through a switching sleeve 614, a screw of a ball screw structure 613 moves vertically under the driving of the screw nut, the screw drives a lifting plate 612 to move vertically at the same time until the filling amount of the pointer 640 on the lifting plate 612 displayed on the scale where a transparent graduated scale 700 is located is the pre-filling amount of the injected liquid, the servo motor 611 stops working, the PLC control unit sends the signal to the electric control unit, the electric control unit controls a feeding pump 300 to start, liquid materials in a storage box 200 are pumped into a feeding bin 500, when the liquid level of the material in the feeding bin 500 is beyond a second liquid level sensor 630, the PLC control unit monitors the current change of the second liquid level sensor 630 and sends the signal to the electric control unit, the feeding pump 300 stops working, and the liquid filling work in the feeding bin 500 is completed.

Compared with the existing metering and filling device, the metering and filling device can flexibly adjust the pre-filling metering device according to different pre-filling amounts, and can control the filling amount more accurately.

When the material in the feeding bin 500 is injected into the batching kettle 100, the electromagnetic valve 530 is controlled by the electric control unit to be opened, the material in the feeding bin 500 is injected into the batching kettle 100, when the material liquid is lower than the first liquid level sensor 620, the current change of the first liquid level sensor 620 is monitored by the PLC control unit, a signal is sent to the electric control unit, the electromagnetic valve 530 is controlled by the electric control unit to be closed, and thus the material liquid filling work of the batching kettle is completed.

To sum up: the metering and charging device is simple in structure, and can accurately adjust the charging amount of materials for charging according to process requirements, so that the application range of the metering and charging device is enlarged.

While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (6)

1. The utility model provides a batching cauldron measurement feeding device, includes the batching cauldron, sets firmly a plurality of storage boxes and a plurality of feed pumps that correspond the storage box intercommunication in batching cauldron one side, its characterized in that: still including setting firmly the control box in the storage tank outside, be provided with PLC control unit and electrical control unit in the control box, batching cauldron top has set firmly a plurality of feed bins, every feed inlet has been seted up at the feed bin top, the feed inlet passes through the filling tube intercommunication with corresponding feed pump, the feed bin lateral wall is provided with metering device, metering device include elevating gear, set up at the first level sensor of feed bin bottom, set up second level sensor on elevating gear, with elevating gear fixed connection's pointer and set firmly the casing on elevating gear, the breach has been seted up corresponding to the baffle position to the feed bin lateral wall, correspond the vertical transparent scale that is provided with of baffle position on the lateral wall, the pointer is used with transparent scale cooperation for showing the pre-charge volume of adding batching cauldron internal material, first level sensor and second level sensor all pass through wire electric connection with the PLC control unit.

2. The batch kettle metering apparatus of claim 1 wherein: the lifting device comprises a servo motor fixedly arranged above the feeding bin, a lifting plate arranged on the inner side of the baffle and a ball screw structure fixedly connected with the lifting plate, wherein the ball screw is vertically arranged above the side wall of the feeding bin and is rotationally connected with a fixed shaft of the feeding bin, a screw nut sleeve of the ball screw structure is provided with a switching sleeve, a driven gear is fixedly arranged on the switching sleeve, a driving gear is fixedly arranged at the output end of the servo motor, the driving gear is meshed with the driven gear, and the servo motor is electrically connected with the electric control unit through a wire.

3. A batch kettle metering apparatus as claimed in claim 2 wherein: the breach department of reinforced storehouse sets up the sealing strip to make lifter plate and sealing strip cooperation prevent that the material from leaking, two vertical sides of corresponding breach department have set firmly the slide rail on the reinforced storehouse lateral wall, so that the lifter plate reciprocates in the slide rail.

4. A batch kettle metering apparatus as claimed in claim 3 wherein: the second liquid level sensor is fixedly arranged on the inner side wall of the lifting plate and used for monitoring the material adding amount in the feeding bin to be equal to the pre-feeding amount.

5. The batch kettle metering apparatus of claim 1 wherein: the bottom of the material adding bin is an inverted cone-shaped base with a material outlet, and the material outlet of the inverted cone-shaped base is connected with the material inlet of the material mixing kettle through a material conveying pipe; the feeding pipe is provided with an electromagnetic valve, and the electromagnetic valve is electrically connected with the PLC control unit through a lead and used for controlling the feeding bin to feed the batching kettle.

6. The batch kettle metering apparatus of claim 5 wherein: the automatic discharging device is characterized in that a discharging pipe is communicated with a conveying pipe between the electromagnetic valve and the discharging hole, one end, away from the conveying pipe, of the discharging pipe is communicated with a corresponding storage box, the discharging pipe is obliquely downwards fixedly connected with the conveying pipe, and a valve body is arranged at one end, close to the conveying pipe, of the discharging pipe and used for controlling the on-off of the discharging pipe.