CN216458695U

CN216458695U - Automatic feeding device of reaction kettle

Info

Publication number: CN216458695U
Application number: CN202122897479.1U
Authority: CN
Inventors: 齐涛; 许才宇
Original assignee: Shaanxi Aikelaite New Material Co ltd
Current assignee: Shaanxi Aikelaite New Material Co ltd
Priority date: 2021-11-24
Filing date: 2021-11-24
Publication date: 2022-05-10
Anticipated expiration: 2031-11-24

Abstract

The utility model relates to the technical field of chemical equipment, in particular to an automatic feeding device of a reaction kettle, which comprises a mounting frame fixedly arranged above a feeding hole of the reaction kettle, wherein the upper surface of the mounting frame is fixedly connected with an annular weighing seat, an annular weighing disc is arranged above the annular weighing seat, a weighing sensor is fixedly arranged between the annular weighing seat and the annular weighing disc, a hopper is fixedly arranged above the annular weighing disc, a discharging pipe is fixedly arranged at the bottom end of the hopper, an electric butterfly valve is fixedly arranged on the discharging pipe, a feeding pipe is sleeved on the discharging pipe after penetrating through the mounting frame in a sliding manner and is positioned right above the feeding hole of the reaction kettle, and a linear actuator for driving the feeding pipe to ascend and descend is fixedly arranged on the mounting frame. The automatic feeding device is compact in structure and simple in layout, realizes automatic feeding of materials through the hopper arranged at a high position, and drives the feeding pipe to lift through the linear actuator, so that the feeding pipe can be suspended in the feeding port of the reaction kettle, and objective data measured by the weighing sensor is ensured.

Description

Automatic feeding device of reaction kettle

Technical Field

The utility model relates to the technical field of chemical equipment, in particular to an automatic feeding device of a reaction kettle.

Background

The reaction kettle is one of key equipment in the chemical production process, the feeding operation of the traditional reaction kettle is completely manual operation, the feeding amount and the feeding time are influenced by human factors, the feeding error and even the feeding error are difficult to avoid, and workers also need to face the risks of high labor intensity and high operation risk. In order to solve the defect of inaccurate manual feeding, the prior art adopts a flow pump to measure the feeding, but the applicability of different raw materials is limited due to different densities, and the method cannot be applied to solid raw materials.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an automatic feeding device of a reaction kettle, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an automatic feeding device of reation kettle, is including the fixed mounting bracket that locates reation kettle's feed inlet top, the last fixed surface of mounting bracket is connected with the annular seat of weighing, the top that the annular seat of weighing is equipped with the annular dish of weighing, the annular seat of weighing with the fixed weighing sensor that is equipped with between the annular dish of weighing, the fixed hopper that is equipped with in top of the annular dish of weighing, the bottom mounting of hopper is equipped with the discharging pipe, the discharging pipe is fixed and is equipped with electric butterfly valve, the discharging pipe runs through sliding after the mounting bracket has cup jointed feeding pipe, feeding pipe is located directly over reation kettle's feed inlet, the mounting bracket is fixed to be equipped with the drive feeding pipe goes up and down the linear actuator.

Optionally, the bottom of the hopper is in a shape of a cone cylinder, and a skirt is fixedly arranged between the lower surface of the hopper and the upper surface of the annular weighing disc.

Optionally, the top of feeding pipe has seted up the ring groove, the bottom of discharging pipe stretches into the ring inslot, the inner wall coating of feeding pipe has polytetrafluoroethylene anti-sticking coating.

Optionally, the linear actuator is an electric push rod, a lifting plate is fixedly connected to the push rod of the linear actuator, and the lifting plate is fixedly connected to the feeding pipe.

Optionally, the mounting bracket is fixedly provided with a guide rod, the guide rod and the feeding pipe are located on two sides of the linear actuator, and the guide rod penetrates through the lifting plate.

Optionally, the weighing sensor is resistance strain type weighing sensor or capacitanc weighing sensor, weighing sensor is equipped with four, four weighing sensor is annular evenly distributed.

Compared with the prior art, the utility model has the following beneficial effects:

1. the automatic feeding device is compact in structure and simple in layout, realizes automatic feeding of materials by the aid of the hoppers arranged at high positions, and drives the feeding pipes to ascend and descend by the aid of the linear actuator, so that the feeding pipes can be suspended in the feeding ports of the reaction kettle, objective data measured by the weighing sensors are guaranteed, and the automatic feeding device is suitable for feeding of solid and liquid materials;

2. the skirt provides stable support for the hopper and uniformly disperses the load from the hopper, and the sliding connection part of the feeding pipe and the discharging pipe is not contacted with the material through the design of the circular groove, so that the material is prevented from being adhered and the sliding resistance is prevented from being increased.

Drawings

Fig. 1 is a schematic structural view of the whole of the present invention.

In the figure: 1. a mounting frame; 2. an annular weighing seat; 3. a weighing sensor; 4. an annular weighing pan; 5. a skirt; 6. a hopper; 7. a discharge pipe; 8. an electric butterfly valve; 9. a feeding pipe; 10. a circular groove; 11. a linear actuator; 12. a lifting plate; 13. a guide rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b): referring to fig. 1, the utility model provides an automatic feeding device for reaction kettles, which comprises an installation frame 1 fixedly arranged above a feed inlet of the reaction kettle, wherein the reaction kettles and the installation frame 1 are arranged in a plant in a layered manner, namely, the reaction kettles are arranged at one floor of the plant, and the installation frame 1 is arranged at the second floor of the plant. The upper surface of mounting bracket 1 is fixedly connected with annular weighing seat 2, and the top of annular weighing seat 2 is equipped with annular weighing dish 4, fixedly between annular weighing seat 2 and the annular weighing dish 4 being equipped with weighing sensor 3, and weighing sensor 3 is capacitanc weighing sensor, and weighing sensor 3 is equipped with four, and four weighing sensor 3 are annular evenly distributed. A hopper 6 is fixedly arranged above the annular weighing disk 4, the bottom of the hopper 6 is in a cone cylinder shape, and a skirt 5 is fixedly arranged between the lower surface of the hopper 6 and the upper surface of the annular weighing disk 4. The skirt 5 serves to provide stable support to the bottom of the conical cylindrical hopper 6 and to evenly distribute the load from the hopper 6. Four weighing sensor 3 insert the PLC system, and operating personnel can acquire the load of hopper 6 according to the PLC system to realize the quality of material in the accurate weighing hopper 6, be applicable to solid and liquid material and throw the material.

The discharging pipe 7 is integrally formed at the bottom end of the hopper 6, and the discharging pipe 7 can pass downwards conveniently due to the annular structures of the annular weighing seat 2 and the annular weighing disk 4. Discharging pipe 7 has electric butterfly valve 8 through flange bolted connection, and feeding pipe 9 has been cup jointed in the slip behind the discharging pipe 7 runs through mounting bracket 1, and feeding pipe 9 is located reation kettle directly over the feed inlet. After the electric butterfly valve 8 is opened, the discharging pipe 7 and the feeding pipe 9 are communicated, and materials in the hopper 6 can automatically enter the reaction kettle, so that automatic feeding is realized.

Circular ring groove 10 has been seted up on the top of feeding pipe 9, and in discharging pipe 7's bottom stretched into circular ring groove 10, the inner wall coating of feeding pipe 9 had polytetrafluoroethylene anti-sticking coating, and the design of circular ring groove 10 makes the sliding connection position of feeding pipe 9 and discharging pipe 7 not contact with the material, avoids material adhesion increase sliding resistance. The mounting rack 1 is fixedly provided with a linear actuator 11 for driving the feeding pipe 9 to lift. The linear actuator 11 is connected to the PLC system, the linear actuator 11 is an electric push rod and mainly comprises a driving motor, a reduction gear, a screw rod, a screw nut and a push rod, the driving motor drives the screw rod to rotate through the reduction gear by starting the driving motor, the screw rod is in clearance fit with the screw nut, and the screw nut can drive the push rod to move up and down according to a screw rod transmission principle, so that the telescopic motion of the push rod is realized. The base of the linear actuator 11 is fixedly connected with the mounting frame 1 through a bolt, the push rod of the linear actuator 11 is fixedly connected with a lifting plate 12, and the lifting plate 12 is fixedly connected with the feeding pipe 9. The mounting rack 1 is fixedly provided with a guide rod 13, the guide rod 13 and the feeding pipe 9 are positioned at two sides of the linear actuator 11, and the guide rod 13 penetrates through the lifting plate 12. The guide rod 13 is used for balancing two ends of the lifting plate 12, so that the pushing rod of the linear actuator 11 is prevented from being deviated and worn due to uneven stress, and the service life and the working precision of the linear actuator 11 are ensured.

Open linear actuator 11, linear actuator 11 drive feeding pipe 9 stretches into reation kettle's feed inlet, and the material can accurately get into reation kettle, and after throwing the material, linear actuator 11 drive feeding pipe 9 breaks away from reation kettle's feed inlet, and reation kettle's feed inlet can be sealed by the kettle cover, guarantees to carry out closed operation in the reation kettle. In addition, because the feeding pipe 9 is suspended in the feeding port of the reaction kettle, the objective data measured by the weighing sensor 3 is ensured.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an automatic feeding device of reation kettle which characterized in that: comprises an installation frame (1) fixedly arranged above a feed inlet of a reaction kettle, wherein the upper surface of the installation frame (1) is fixedly connected with an annular weighing seat (2), an annular weighing disk (4) is arranged above the annular weighing seat (2), a weighing sensor (3) is fixedly arranged between the annular weighing seat (2) and the annular weighing disk (4), a hopper (6) is fixedly arranged above the annular weighing disc (4), a discharge pipe (7) is fixedly arranged at the bottom end of the hopper (6), an electric butterfly valve (8) is fixedly arranged on the discharge pipe (7), the discharge pipe (7) penetrates through the mounting frame (1) and then is sleeved with a feeding pipe (9) in a sliding manner, the feeding pipe (9) is positioned right above a feeding hole of the reaction kettle, and the mounting rack (1) is fixedly provided with a linear actuator (11) for driving the feeding pipe (9) to lift.

2. The automatic feeding device of the reaction kettle according to claim 1, characterized in that: the bottom of the hopper (6) is in a conical cylinder shape, and a skirt (5) is fixedly arranged between the lower surface of the hopper (6) and the upper surface of the annular weighing disc (4).

3. The automatic feeding device of the reaction kettle according to claim 1, characterized in that: the feeding device is characterized in that an annular groove (10) is formed in the top end of the feeding pipe (9), the bottom end of the discharging pipe (7) extends into the annular groove (10), and a polytetrafluoroethylene anti-sticking coating is coated on the inner wall of the feeding pipe (9).

4. The automatic feeding device of the reaction kettle according to claim 1, characterized in that: the linear actuator (11) is an electric push rod, a lifting plate (12) is fixedly connected to the push rod of the linear actuator (11), and the lifting plate (12) is fixedly connected with the feeding pipe (9).

5. The automatic feeding device of the reaction kettle as claimed in claim 4, wherein: the mounting rack (1) is fixedly provided with a guide rod (13), the guide rod (13) and the feeding pipe (9) are positioned on two sides of the linear actuator (11), and the guide rod (13) penetrates through the lifting plate (12).

6. The automatic feeding device of the reaction kettle according to claim 1, characterized in that: weighing sensor (3) are resistance strain type weighing sensor or capacitanc weighing sensor, weighing sensor (3) are equipped with four, four weighing sensor (3) are annular evenly distributed.