CN210552605U

CN210552605U - Forming system for centrifugal pump shell

Info

Publication number: CN210552605U
Application number: CN201921350713.5U
Authority: CN
Inventors: 王敏; 李开兵; 杭正飞
Original assignee: Sanlian Pump Industry Co Ltd
Current assignee: Sanlian Pump Industry Co Ltd
Priority date: 2019-08-19
Filing date: 2019-08-19
Publication date: 2020-05-19
Anticipated expiration: 2029-08-19

Abstract

The utility model discloses a forming system for a centrifugal pump shell, which comprises a heating and smelting kettle, a forming mould and a demoulding component; the raw materials in the smelting cavity are melted and then injected into a forming die through a discharge runner, a fixed base plate is arranged at the bottom end of the support frame, a conveyor belt is arranged on the fixed base plate, and a positioning mounting plate is arranged on the conveyor belt; the forming mold is placed on the positioning mounting plate, the control system controls the conveyor belt to continuously convey the empty forming mold to the position below the discharging flow channel, an injection molding hole is formed in the forming mold, and a forming cavity is formed below the injection molding hole; the tail end of the discharging flow channel is provided with a material injection nozzle corresponding to the injection molding hole; after injection molding is finished, the forming die is conveyed into the cooling tunnel through the conveying belt to be cooled by stages, and finally, demolding is carried out through the demolding assembly to obtain a finished product.

Description

Forming system for centrifugal pump shell

Technical Field

The utility model relates to a centrifugal pump technical field specifically is a be used for centrifugal pump shell molding system.

Background

The centrifugal pump is a pump for conveying a liquid by centrifugal force generated when an impeller rotates. Centrifugal pumps operate by causing water to move centrifugally as a result of the rotation of an impeller. Before the water pump is started, the pump shell and the water suction pipe are filled with water, then the motor is started, the pump shaft drives the impeller and the water to rotate at a high speed, the water is thrown to the outer edge of the impeller to be thrown into a water pressure pipeline of the water pump through a flow channel of the volute-shaped pump shell. The basic structure of the centrifugal pump is composed of eight parts, which are respectively: the pump comprises an impeller, a pump body, a pump cover, a water retaining ring, a pump shaft, a bearing, a sealing ring and a stuffing box. The pump body is also called pump shell, and is the main body of the water pump. The supporting and fixing function is realized, and the supporting and fixing device is connected with a bracket for mounting the bearing.

In the prior art, a centrifugal pump casing is molded by using a molding die, and a resin casing of the centrifugal pump casing is formed by injecting resin into the molding die and curing the resin. In recent years, with the development of scientific technology, centrifugal pumps are used more and more, and the demand of centrifugal pump shells is increased. At present, a centrifugal pump shell needs to be subjected to multiple processes such as plate cutting, feeding and stamping during production, the continuity between the processing processes of the existing centrifugal pump shell forming is not strong enough, the difficulty of automatic processing production is high, semi-automatic production is mostly realized, and the yield, the quality and the like of products are required to be improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a be used for centrifugal pump shell molding system to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a molding system for a centrifugal pump shell comprises a heating and smelting kettle, a molding mold and a demolding assembly; the heating and smelting kettle is arranged on the support frame, a feed inlet is arranged above the heating and smelting kettle, and the feed inlet is connected with a batching feed pipe; a smelting cavity is arranged on the inner side of the heating smelting kettle, a heating layer is formed between the smelting cavity and the heating smelting kettle, and a heating pipeline is arranged in the heating layer; the bottom end of the heating and smelting kettle is provided with a plurality of discharge ports, the discharge ports are connected with discharge runners, and the tail ends of the discharge runners are correspondingly connected to a forming die; the bottom end of the support frame is provided with a fixed base plate, a conveying belt is arranged on the fixed base plate, and a positioning mounting plate is arranged on the conveying belt; forming die places on the location mounting panel, and the conveyer belt end extends to the cooling tunnel, and the cooling tunnel end is provided with drawing of patterns subassembly.

Preferably, the batching feeding pipe is of a funnel-shaped structure with a wide upper part and a narrow lower part, an automatic feeding channel is arranged at the upper end of the batching feeding pipe, and a batching and weighing component is arranged on the automatic feeding channel.

Preferably, the batching is advanced the pipe and is provided with the electromagnetic switch valve with feed inlet junction department, and discharge gate and ejection of compact runner junction are provided with the solenoid electric valve, and solenoid electric valve all are connected to control system.

Preferably, the heating pipeline is connected with a heating system at the tail end, the heating system adopts an electric heating device in the prior art, and the heating system is connected with a control system.

Preferably, a displacement sensor is arranged on the positioning mounting plate and connected to a control system; a conveying assembly is arranged below the conveying belt, a driving motor is arranged on the conveying assembly, and the control system is connected to the driving motor.

Preferably, be provided with air-cooled cooling subassembly and water-cooled cooling subassembly in the cooling tunnel, conveyer belt end-to-end connection to drawing of patterns subassembly, conveyer belt end and drawing of patterns subassembly junction are provided with gets material anchor clamps, and drawing of patterns subassembly adopts the pneumatic shedder who corresponds to forming die.

Preferably, the forming mold is provided with an injection molding hole, and a forming cavity is arranged below the injection molding hole; the tail end of the discharging flow passage is provided with a material injection nozzle corresponding to the injection molding hole.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has compact structure and good continuity of integrated working procedures, and improves the production efficiency and the product quality; the raw materials in the smelting cavity are melted and then injected into a forming die through a discharging runner, the forming die is placed on a positioning mounting plate, the control system controls a conveyor belt to continuously convey the vacant forming die to the position below the discharging runner, an injection molding hole is formed in the forming die, and a forming cavity is formed below the injection molding hole; the tail end of the discharging flow channel is provided with a material injection nozzle corresponding to the injection molding hole; after injection molding is finished, the forming die is conveyed into the cooling tunnel through the conveying belt to be cooled by stages, and finally, demolding is carried out through the demolding assembly to obtain a finished product.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

In the figure: 1. heating a smelting kettle; 2. a support frame; 3. a feed inlet; 4. feeding the ingredients into a pipe; 5. a smelting chamber; 6. heating the pipeline; 7. a discharge port; 8. a discharge flow channel; 9. forming a mold; 10. fixing the substrate; 11. a conveyor belt; 12. positioning the mounting plate; 13. cooling the tunnel; 14. and (4) demolding the assembly.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1, the present invention provides a technical solution: a molding system for a centrifugal pump shell comprises a heating and smelting kettle 1, a molding mold 9 and a demolding assembly 14; the heating and smelting kettle 1 is arranged on the support frame 2, a feed inlet 3 is arranged above the heating and smelting kettle 1, and a batching feed pipe 4 is connected to the feed inlet 3; a smelting cavity 5 is arranged on the inner side of the heating smelting kettle 1, a heating layer is formed between the smelting cavity 5 and the heating smelting kettle 1, and a heating pipeline 6 is arranged in the heating layer; the bottom end of the heating smelting kettle 1 is provided with a plurality of discharge ports 7, the discharge ports 7 are connected with a discharge runner 8, and the tail end of the discharge runner 8 is correspondingly connected to a forming mold 9; a fixed base plate 10 is arranged at the bottom end of the support frame 2, a conveying belt 11 is arranged on the fixed base plate 10, and a positioning mounting plate 12 is arranged on the conveying belt 11; forming die 9 places on location mounting panel 12, and 11 ends of conveyer belt extend to cooling tunnel 13, and cooling tunnel 13 end is provided with drawing of patterns subassembly 14.

Further, the ingredient feeding pipe 4 is of a funnel-shaped structure with a wide upper part and a narrow lower part, an automatic feeding channel is arranged at the upper end of the ingredient feeding pipe 4, and an ingredient weighing component is arranged on the automatic feeding channel.

Further, the batching is advanced pipe 4 and is provided with the electromagnetic switch valve with 3 junction departments of feed inlet, and discharge gate 7 and 8 junctions of ejection of compact runner are provided with the solenoid electric valve, and solenoid electric valve all are connected to control system.

Further, the tail end of the heating pipeline 6 is connected to a heating system, the heating system adopts an electric heating device in the prior art, and the heating system is connected to a control system.

Further, a displacement sensor is arranged on the positioning mounting plate 12 and connected to a control system; a conveying assembly is arranged below the conveying belt 11, a driving motor is arranged on the conveying assembly, and the control system is connected to the driving motor.

Further, be provided with air-cooled cooling subassembly and water-cooled cooling subassembly in the cooling tunnel 13, 11 end connections of conveyer belt are to drawing of patterns subassembly 14, and 11 end of conveyer belt and drawing of patterns subassembly 14 junction are provided with gets the material anchor clamps, and drawing of patterns subassembly 14 adopts the pneumatic shedder who corresponds to forming die.

Further, an injection molding hole is formed in the molding die 9, and a molding cavity is formed below the injection molding hole; the tail end of the discharging flow passage 8 is provided with a material injection nozzle corresponding to the injection molding hole.

The working principle is as follows: the heating and smelting kettle 1 is arranged on the support frame 2, a feed inlet 3 is arranged above the heating and smelting kettle 1, and a batching feed pipe 4 is connected at the feed inlet 3; the ingredient inlet pipe 4 is of a funnel-shaped structure with a wide upper part and a narrow lower part, an automatic feeding channel is arranged at the upper end of the ingredient inlet pipe 4, an ingredient weighing component is arranged on the automatic feeding channel, ingredients are weighed in proportion through the weighing component, then the ingredients are conveyed to the ingredient inlet pipe 4 through the automatic feeding channel, and the ingredients are conveyed into the heating and smelting kettle 1 through the feeding hole 3;

a smelting cavity 5 is arranged on the inner side of the heating smelting kettle 1, a heating layer is formed between the smelting cavity 5 and the heating smelting kettle 1, and a heating pipeline 6 is arranged in the heating layer; the tail end of the heating pipeline 6 is connected to a heating system, the heating system adopts an electric heating device in the prior art, the heating system is connected to a control system, the heating system is controlled by the control system to heat the smelting cavity 5, a plurality of discharge ports 7 are arranged at the bottom end of the heating smelting kettle 1, discharge runners 8 are connected to the discharge ports 7, and the tail ends of the discharge runners 8 are correspondingly connected to a forming mold 9; melting raw materials in a smelting cavity 5, injecting the molten raw materials into a forming die 9 through a discharge runner 8, wherein a fixed substrate 10 is arranged at the bottom end of the support frame 2, a conveyor belt 11 is arranged on the fixed substrate 10, and a positioning mounting plate 12 is arranged on the conveyor belt 11; the forming die 9 is placed on the positioning mounting plate 12, the control system controls the conveyor belt 11 to continuously convey the empty forming die 9 to the position below the discharging flow channel 8, the forming die 9 is provided with an injection molding hole, and a forming cavity is arranged below the injection molding hole; the tail end of the discharging flow passage 8 is provided with a material injection nozzle corresponding to the injection molding hole; the tail end of the conveyor belt 11 extends to the cooling tunnel 13, the tail end of the cooling tunnel 13 is provided with a demolding assembly 14, after injection molding is completed, the forming mold 9 is conveyed into the cooling tunnel 13 through the conveyor belt 11 to be cooled in stages, and finally demolding is carried out through the demolding assembly 14 to obtain a finished product.

It is worth noting that: the whole device is controlled by the master control button, and the equipment matched with the control button is common equipment, so that the device belongs to the existing well-known technology, and the electrical connection relation and the specific circuit structure of the device are not repeated.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A system for molding a centrifugal pump casing, comprising: comprises a heating smelting kettle (1), a forming mould (9) and a demoulding component (14); the heating and smelting kettle (1) is arranged on the support frame (2), a feeding hole (3) is formed above the heating and smelting kettle (1), and a batching feeding pipe (4) is connected to the feeding hole (3); a smelting cavity (5) is arranged on the inner side of the heating smelting kettle (1), a heating layer is formed between the smelting cavity (5) and the heating smelting kettle (1), and a heating pipeline (6) is arranged in the heating layer; the bottom end of the heating smelting kettle (1) is provided with a plurality of discharge ports (7), the discharge ports (7) are connected with discharge runners (8), and the tail ends of the discharge runners (8) are correspondingly connected to a forming mold (9); a fixed base plate (10) is arranged at the bottom end of the support frame (2), a conveying belt (11) is arranged on the fixed base plate (10), and a positioning mounting plate (12) is arranged on the conveying belt (11); forming die (9) are placed on location mounting panel (12), and conveyer belt (11) end extends to cooling tunnel (13), and cooling tunnel (13) end is provided with drawing of patterns subassembly (14).

2. A molding system for a centrifugal pump casing as described in claim 1, wherein: the batching advances pipe (4) and is wide funnel type structure down, and the batching advances pipe (4) upper end and is provided with the autoloading passageway, is provided with the batching subassembly of weighing on the autoloading passageway.

3. A molding system for a centrifugal pump casing as described in claim 1, wherein: the batching is advanced pipe (4) and feed inlet (3) junction department and is provided with the electromagnetic switch valve, and discharge gate (7) and ejection of compact runner (8) junction are provided with the solenoid electric valve, and solenoid electric valve all are connected to control system.

4. A molding system for a centrifugal pump casing as described in claim 1, wherein: the tail end of the heating pipeline (6) is connected to a heating system, the heating system adopts an electric heating device in the prior art, and the heating system is connected to a control system.

5. A molding system for a centrifugal pump casing as described in claim 1, wherein: a displacement sensor is arranged on the positioning mounting plate (12) and connected to a control system; a conveying assembly is arranged below the conveying belt (11), a driving motor is arranged on the conveying assembly, and the control system is connected to the driving motor.

6. A molding system for a centrifugal pump casing as described in claim 1, wherein: be provided with air-cooled cooling subassembly and water-cooled cooling subassembly in cooling tunnel (13), conveyer belt (11) end-to-end connection to drawing of patterns subassembly (14), conveyer belt (11) end and drawing of patterns subassembly (14) junction are provided with gets the material anchor clamps, and drawing of patterns subassembly (14) adopt the pneumatic shedder who corresponds to forming die.

7. A molding system for a centrifugal pump casing as described in claim 1, wherein: an injection molding hole is formed in the forming mold (9), and a forming cavity is formed below the injection molding hole; the tail end of the discharging flow passage (8) is provided with a material injection nozzle corresponding to the injection molding hole.