Accurate metering and feeding device for silica sol raw materials

Abstract

The utility model relates to the technical field of silica sol production, and discloses a silica sol raw material accurate metering and feeding device which comprises a bottom plate, a support and a reaction barrel are fixedly installed on the top of the bottom plate, and a feeding opening is formed in the middle of the top end of the reaction barrel. A discharging pipe is fixedly mounted on the side wall of the bottom end of the reaction barrel. According to the accurate metering and feeding device for the silica sol raw materials, in order to carry out pretreatment in the feeding process of the silica sol raw materials, the feeding assembly is arranged, when a servo asynchronous motor on a fixing plate is started, a disc and a convex column rotate, and a fixing column, a swing block and a limiting groove are matched, so that driving teeth swing in a reciprocating mode; a limiting frame, a sliding rod and driven teeth are matched, so that a push rod drives a circular ring block to move up and down in a reciprocating manner, raw materials are scattered and uniformly stirred before entering the reaction barrel, the influence of a bonding state on the metering precision is avoided, and then the silica sol raw materials can be pretreated in the feeding process.

Description

Technical Field

[0001] This utility model relates to the field of silica sol production technology, specifically to a device for precise metering and dispensing of silica sol raw materials. Background Technology

[0002] In many industrial production fields, such as casting, coatings, and catalyst preparation, silica sol is widely used as an important raw material. Taking the casting industry as an example, silica sol is often used as a binder. The precise control of its dosage has a key impact on the strength, permeability and other properties of the mold shell, which in turn determines the quality and yield of the castings.

[0003] Currently, some metering devices cannot effectively agitate and disperse the silica sol during the dispensing process. This method pre-treats the potentially agglomerated silica sol before it enters the reaction tank, making it uniformly dispersed. However, this approach cannot effectively prevent accuracy deviations in subsequent metering processes caused by material agglomeration.

[0004] In view of this, we propose a precise metering and dispensing device for silica sol raw materials. Utility Model Content

[0005] The purpose of this invention is to provide a precise metering and dispensing device for silica sol raw materials to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A precise metering and dispensing device for silica sol raw materials includes a base plate, a support and a reaction tank fixedly mounted on the top of the base plate, a feed opening at the center of the top of the reaction tank, a discharge pipe fixedly mounted on the bottom side wall of the reaction tank, a solenoid valve mounted on the discharge pipe, a raw material cylinder fixedly mounted on the top of the support, one end of the bottom opening of the raw material cylinder being fixedly connected to one end of a bent pipe, and a dispensing assembly mounted on the top of the base plate, the dispensing assembly including:

[0008] A fixed plate is fixedly installed inside the top of the bracket. A servo asynchronous motor is fixedly installed on the outer wall of the fixed plate. A disk center is fixedly installed outside the output shaft of the servo asynchronous motor. A protruding column is fixedly installed at the end of the disk away from its center. A fixed column is fixedly installed on the side of the fixed plate away from the servo asynchronous motor.

[0009] A swing block is rotatably mounted on the fixed column. One end of the swing block has a through-hole limiting groove, which slides against the arc-shaped outer wall of the protruding column. An active tooth is fixedly mounted on the arc-shaped outer wall of the other end of the swing block. A limiting frame is fixedly mounted on the fixed plate.

[0010] A sliding rod is slidably installed inside the limiting frame. A driven tooth is fixedly installed on the side of the sliding rod facing the swing block. The driving tooth meshes with the driven tooth. A push rod is fixedly installed at the bottom end of the sliding rod. The push rod slides against the inside of the end of the bend tube away from the raw material cylinder. A ring block is fixedly installed at the bottom of the push rod.

[0011] Preferably, the raw material cylinder contains a silica sol raw material body.

[0012] Preferably, the limiting frame is provided in two sets, which makes the movement of the slide bar more stable.

[0013] Preferably, the feed opening of the reaction vessel, the opening at the end of the bend away from the raw material cylinder, the push rod, and the circular cross-section of the annular block are coaxial, thereby better metering and dispensing the silica sol raw material.

[0014] Preferably, an auxiliary component is provided at the top of the reaction vessel. The auxiliary component includes an arc-shaped groove. The circular block has a through arc-shaped groove, and multiple sets of arc-shaped grooves are provided. A conical cover is engaged at the bottom of the circular block, so that the raw material can enter the interior of the reaction vessel better and avoid raw material splashing, which would affect the metering accuracy.

[0015] Preferably, a feed hopper is attached to the feed opening of the reaction vessel, and the feed hopper is located directly below the annular block.

[0016] Compared with the prior art, this utility model provides a precise metering and dispensing device for silica sol raw materials, which has the following beneficial effects:

[0017] 1. This precise metering and dispensing device for silica sol raw materials, in order to perform pretreatment simultaneously during the dispensing process, is equipped with a dispensing component. When the servo asynchronous motor on the fixed plate is started, the disc and the protruding column rotate. In conjunction with the fixed column, the swing block and the limiting groove, the active toothed gear swings back and forth. In conjunction with the limiting frame, the sliding rod and the driven toothed gear, the push rod drives the ring block to move up and down back and forth. This allows the raw material to be dispersed and stirred before entering the reaction tank for pretreatment, avoiding the impact of the adhesive state on the metering accuracy. Thus, it enables pretreatment to be performed simultaneously during the dispensing process of silica sol raw materials.

[0018] 2. To enhance the practicality of this silica sol raw material precise metering and dispensing device, auxiliary components are incorporated. Firstly, when the raw material passes through the annular block, the arc-shaped groove allows it to flow more effectively into the feed hopper, thus ensuring better entry into the reaction tank and preventing material splashing that could affect metering accuracy. Furthermore, the installation of the conical cover, combined with its blocking effect on the bend opening, effectively prevents external impurities and dust from entering the bend when not in use, thereby further enhancing the practicality of the device. Attached Figure Description

[0019] Figure 1 This is a top view of the overall structure of this utility model;

[0020] Figure 2 This is a top view of the overall structure of this utility model from another perspective;

[0021] Figure 3 This is a schematic diagram of the reaction vessel and some structural connections of this utility model;

[0022] Figure 4 This utility model Figure 3 Enlarged structural diagram of region A in the middle;

[0023] Figure 5 This is a schematic cross-sectional view of the bent pipe of this utility model;

[0024] Figure 6 This is a schematic diagram of the cross-section of the push rod of this utility model.

[0025] In the diagram: 1. Base plate; 2. Support; 3. Reaction tank; 4. Discharge pipe; 5. Solenoid valve; 6. Raw material cylinder; 7. Bend; 8. Feeding component; 81. Fixing plate; 82. Servo asynchronous motor; 83. Disc; 84. Protruding column; 85. Fixing column; 86. Swing block; 87. Limiting groove; 88. Active tooth; 89. Limiting frame; 810. Slide rod; 811. Driven tooth; 812. Push rod; 813. Circular block; 9. Auxiliary component; 91. Arc groove; 92. Conical cover; 93. Feed hopper. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0027] In this application, the term "above" indicates the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. It is primarily used to better describe this application and its embodiments, and is not intended to limit the indicated device, element, or component to having a specific orientation, or to construct and operate in a specific orientation. Furthermore, the term "above" may also be used in certain circumstances to indicate a dependency or connection relationship. Those skilled in the art can understand the specific meaning of these terms in this application according to the specific circumstances.

[0028] Please see Figure 1 - Figure 6 This utility model provides a technical solution:

[0029] A precise metering and dispensing device for silica sol raw materials includes a base plate 1. A support 2 and a reaction tank 3 are fixedly installed on the top of the base plate 1. A feed opening is provided in the middle of the top of the reaction tank 3. Other material inlets are also provided on the reaction tank 3, which are not illustrated in this application and will not be described in detail here. A discharge pipe 4 is fixedly installed on the bottom side wall of the reaction tank 3. A solenoid valve 5 is provided on the discharge pipe 4. A raw material cylinder 6 is fixedly installed on the top of the support 2. In addition, the raw material cylinder 6 contains the silica sol raw material body. One end of the bottom opening of the raw material cylinder 6 is fixedly connected to one end of a bent pipe 7.

[0030] In one embodiment of this utility model, a dispensing component 8 is provided on the top of the base plate 1. The dispensing component 8 includes a fixing plate 81. The fixing plate 81 is fixedly installed inside the top of the bracket 2. A servo asynchronous motor 82 is fixedly installed on the outer wall of the fixing plate 81. The center of a disc 83 is fixedly installed outside the output shaft of the servo asynchronous motor 82. A protruding post 84 is fixedly installed at the end of the disc 83 away from its center. A fixing post 85 is fixedly installed on the side of the fixing plate 81 away from the servo asynchronous motor 82. A swing block 86 is rotatably installed on the fixing post 85. A through limiting groove 87 is opened at one end of the swing block 86. The limiting groove 87 slides against the arc-shaped outer wall of the protruding post 84. An active tooth 88 is fixedly installed on the arc-shaped outer wall of the other end of the swing block 86. A limiting frame 89 is fixedly installed on the fixed plate 81. A sliding rod 810 is slidably installed inside the limiting frame 89. In addition, the limiting frame 89 is provided with two sets to make the movement of the sliding rod 810 more stable. A driven tooth 811 is fixedly installed on the side of the sliding rod 810 facing the swing block 86. The driving tooth 88 meshes with the driven tooth 811. A push rod 812 is fixedly installed at the bottom of the sliding rod 810. The push rod 812 slides against the inside of the end of the bend 7 away from the raw material cylinder 6. A circular block 813 is fixedly installed at the bottom of the push rod 812. In addition, the center of the circular cross-section of the reaction tank 3, the opening of the bend 7 away from the raw material cylinder 6, the push rod 812, and the circular block 813 are coaxial, thereby better metering and dispensing the silica sol raw material.

[0031] In this embodiment, when the entire device needs to run, firstly, the solenoid valve 5 on the bend 7 is opened, and then the servo asynchronous motor 82 on the fixed plate 81 is started synchronously. The rotation of its output shaft drives the disc 83 to rotate synchronously, and the protrusion 84 also makes a circular motion. Since the protrusion 84 slides against the limiting groove 87, the circular motion of the protrusion 84 is converted into sliding within the limiting groove 87. The force generated by this sliding pushes the swing block 86 to swing around the fixed column 85. The fixed column 85 provides stable support and rotation center for the swing of the swing block 86. When the swing block 86 makes a swinging motion, the driving tooth 88 also reciprocates. The driving tooth 88 and the driven tooth 811 mesh with each other. When the driving tooth 88 swings, according to the gear meshing transmission principle, the driven tooth 811... The slide bar 810 moves under the force of the active tooth 88, which in turn drives the slide bar 810 to slide up and down inside the limiting frame 89. When the slide bar 810 slides up and down, the push rod 812 also moves up and down synchronously with the slide bar 810. The ring block 813 also moves up and down reciprocally. When the silica sol raw material is output from the raw material cylinder 6 through the bent pipe 7 to the ring block 813, the up and down movement of the ring block 813 stirs and disperses the raw material at the position of the ring block 813. Before the raw material enters the reaction tank 3, the silica sol raw material that may be in a sticky state is pretreated in this way to make it uniformly dispersed, thereby avoiding the accuracy deviation caused by the sticking of raw material in the subsequent metering process. The mixed material is discharged from the reaction tank 3 through the discharge pipe 4 and the solenoid valve 5.

[0032] In one embodiment of this utility model, an auxiliary component 9 is provided at the top of the reaction tank 3. The auxiliary component 9 includes an arc-shaped groove 91. The circular ring block 813 has a through arc-shaped groove 91, and three sets of arc-shaped grooves 91 are provided. A conical cover 92 is snapped onto the bottom of the circular ring block 813, so that the raw material can enter the interior of the reaction tank 3 better and avoid raw material splashing, which would affect the metering accuracy. In addition, a feed hopper 93 is snapped onto the feed opening of the reaction tank 3, and the feed hopper 93 is located directly below the circular ring block 813.

[0033] In this embodiment, the silica sol raw material, after being dispersed and stirred by the annular block 813, flows downward along the arc-shaped groove 91. The raw material smoothly flows into the feed hopper 93 and then enters the reaction tank 3 through the feed hopper 93. This effectively avoids splashing of the raw material during the conveying process, ensuring the stability of the raw material conveying and the accuracy of the metering. When the device is not in use, in order to prevent external impurities and dust from entering the bend 7, a conical cover 92 is attached to the bottom of the annular block 813. The conical cover 92 can effectively block the opening of the bend 7, forming a physical barrier, thereby ensuring the cleanliness of the inside of the bend 7. This improves the protective performance and practicality of the device body in the idle state, ensuring that the device can operate normally when used next, and that the conveying and metering of silica sol raw material will not be affected by impurities entering.

[0034] All electrical components mentioned in this application are electrically connected to the controller and 220V AC mains power. The controller is a conventional and known device that can control the solenoid valve 5 and the servo asynchronous motor 82. All standard parts used in this application can be purchased from the market. The specific connection methods of each part are all conventional methods such as riveting and welding that are mature in the prior art. The machinery, parts and equipment are all conventional models in the prior art. In addition, the circuit connection adopts conventional connection methods in the prior art, and will not be described in detail here.

[0035] The present invention has been described in detail above. However, modifications or improvements can be made to it, which will be obvious to those skilled in the art. Therefore, any modifications or improvements that do not depart from the spirit of the present invention are within the protection scope of the present invention.

Claims

1. A precise metering and dispensing device for silica sol raw materials, comprising a base plate (1), a bracket (2) and a reaction tank (3) fixedly installed on the top of the base plate (1), a feed opening provided at the middle of the top of the reaction tank (3), a discharge pipe (4) fixedly installed on the side wall of the bottom end of the reaction tank (3), a solenoid valve (5) provided on the discharge pipe (4), a raw material cylinder (6) fixedly installed on the top of the bracket (2), and a bent pipe (7) fixedly connected to one end of the bottom opening of the raw material cylinder (6), characterized in that: The bottom plate (1) top is provided with a delivery assembly (8), the delivery assembly (8) includes: The fixed plate (81) is fixedly installed in the inner top of the support (2), the outer wall of the fixed plate (81) is fixedly installed with a servo asynchronous motor (82), the output shaft of the servo asynchronous motor (82) is fixedly installed with the center of a disc (83), the end away from the center of the disc (83) is fixedly installed with a convex column (84), the side away from the servo asynchronous motor (82) of the fixed plate (81) is fixedly installed with a fixed column (85); The swing block (86) is rotatably installed on the fixed column (85), the swing block (86) is provided with a through limiting groove (87) at one end, the limiting groove (87) is slidably attached to the arc-shaped outer wall of the convex column (84), the arc-shaped outer wall of the other end of the swing block (86) is fixedly installed with a driving gear tooth (88), the fixed plate (81) is fixedly installed with a limiting frame (89); The limiting frame (89) is slidably installed with a slide rod (810) inside, the side of the slide rod (810) towards the swing block (86) is fixedly installed with a driven gear tooth (811), the driving gear tooth (88) is engaged with the driven gear tooth (811), the bottom end of the slide rod (810) is fixedly installed with a push rod (812), the push rod (812) is slidably attached to the inner end of the elbow pipe (7) away from the raw material cylinder (6), the bottom of the push rod (812) is fixedly installed with a circular ring block (813).

2. The silica sol raw material accurate metering device according to claim 1, characterized by: The raw material cylinder (6) is internally provided with a silica sol raw material body.

3. The silica sol raw material accurate metering device according to claim 1, characterized by: The limiting frame (89) is provided with two groups.

4. The silica sol raw material accurate metering device according to claim 1, characterized by: The feeding opening of the reaction bucket (3), the opening of the elbow pipe (7) away from the raw material cylinder (6), the circular cross-section center of the push rod (812) and the circular ring block (813) are coaxial.

5. The silica sol raw material accurate metering device according to claim 1, characterized by: The top of the reaction bucket (3) is provided with an auxiliary assembly (9), the auxiliary assembly (9) includes an arc-shaped groove (91), the circular ring block (813) is provided with a through arc-shaped groove (91), the arc-shaped groove (91) is provided with multiple groups, the bottom end of the circular ring block (813) is clamped with a conical cover (92).

6. The silica sol raw material accurate metering device according to claim 5, characterized by: The feeding opening of the reaction bucket (3) is clamped with a feeding hopper (93), the feeding hopper (93) is located directly below the circular ring block (813).

Images