Complete preparation system for two-component sealant

Abstract

The utility model provides a double-component sealant complete preparation system which comprises a raw material storage tank, a metering pump, a screw extruder, a heat exchanger and a hydraulic discharging machine which are sequentially connected through a pipeline, and the hydraulic discharging machine is used for extruding and discharging cooled sealant; the hydraulic discharging machine comprises a material cylinder, a pressing disc and a hydraulic system, the pressing disc is arranged in the material cylinder, a circle of annular groove is formed in the side wall of the pressing disc, a plurality of mounting grooves are evenly formed in the inner side wall of the annular groove, a movable block is horizontally arranged in each mounting groove in a sliding mode, and one end of the inner side of each movable block is supported outwards through an elastic piece arranged in the corresponding mounting groove. A containing groove is formed in one end of the outer side of each movable block, a sealing ring is embedded in the containing grooves of the multiple movable blocks, the outer side of the sealing ring is tightly attached to the inner wall of the material cylinder under the supporting of the movable blocks, the sealing ring can still be tightly attached to the inner wall of the material cylinder under the supporting of the movable blocks after being abraded, and therefore the sealing effect is guaranteed. And residual materials on the inner wall of the material cylinder are avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of rubber material preparation systems, and in particular relates to a complete set of preparation systems for double-component sealants. Background Art

[0002] Two-component silicone structural sealant generally has two components, A and B. When using, you need to mix the two components evenly first, and then inject the glue into the glue-applying part within a certain period of time. Two-component silicone structural sealant has the advantages of fast curing speed and high construction efficiency, so it is widely used in glass curtain wall structure bonding, such as the bonding of glass and aluminum frame in hidden frame glass curtain wall, the bonding between glass panels and glass ribs in full glass curtain wall, and the second bonding and sealing of insulating glass.

[0003] Chinese patent document: CN202211004276.8, discloses a two-component silicone structural sealant preparation system. In this application, a disperser is connected to a screw extruder through a conveying pipe, the output end of the screw extruder is connected to an extrusion pipe, one end of the extrusion pipe is connected to a filling machine housing, a discharge port is provided at the bottom of the filling machine housing, a piston is connected to the filling machine housing, the upper end of the piston is connected to the first cylinder through a piston rod, and the sealant is filled and discharged by extrusion. At present, the hydraulic discharging method is not thorough enough, and some materials remain in the barrel, resulting in material waste. Utility Model Content

[0004] In view of the above problems, the utility model discloses a two-component sealant preparation system, realizes a continuous sealant preparation system, and solves the problem in the prior art that the sealant is not discharged thoroughly and material residues are easily generated on the inner wall of the material cylinder.

[0005] The specific technical solutions are as follows:

[0006] A complete set of preparation system for two-component sealant, comprising a raw material storage tank, a metering pump, a screw extruder, a heat exchanger and a hydraulic discharger which are sequentially connected by pipelines, wherein the metering pump is used to extract the raw material in the raw material storage tank and quantitatively deliver it to the screw extruder, the screw extruder is used to mix and deliver the raw material, the heat exchanger is used to cool the extruded rubber material, and the hydraulic discharger is used to extrude and discharge the cooled rubber material; wherein the hydraulic discharger comprises a material cylinder, a pressure plate and a hydraulic system, wherein a discharge port is provided at the bottom of the material cylinder, a pressure plate of a size suitable for the material cylinder is provided in the material cylinder, and a pressure plate of a size suitable for the material cylinder is provided in the material cylinder, and a pressure plate of a size suitable for the material cylinder is provided in the material cylinder. The plate is driven to rise and fall by a hydraulic system, and a circle of annular grooves is provided on the side wall of the pressure plate. A number of mounting grooves are evenly provided on the inner wall of the annular groove, and a movable block is horizontally slidably provided in each mounting groove. The inner end of the movable block is supported outward by an elastic member arranged in the mounting groove, and the outer side of the movable block is an arc-shaped structure, and a receiving groove is provided at the outer end of each movable block. An elastic sealing ring is embedded in the receiving groove of several movable blocks, and the inner side of the sealing ring is located in the annular groove, and the outer side of the sealing ring is tightly fitted on the inner wall of the cylinder under the support of the movable block.

[0007] Furthermore, the annular groove is located at the lower end of the side wall of the pressure plate.

[0008] Furthermore, the elastic member is an elastic sheet.

[0009] Furthermore, guide blocks are symmetrically arranged on both sides of the installation groove, and both sides of the movable block are engaged with the guide blocks through sliding grooves to achieve a sliding connection between the movable block and the installation groove.

[0010] Furthermore, the installation groove and the movable block are both arc-shaped structures.

[0011] Furthermore, a feed port is provided on the side wall of the material cylinder, and the position of the feed port corresponds to the position between two adjacent mounting grooves on the pressure plate.

[0012] The beneficial effects of the utility model are embodied in:

[0013] (1) The sealant preparation system of the utility model has stable operation, can realize automatic continuous production, and greatly improves production efficiency.

[0014] (2) A retractable sealing ring is provided on the pressure plate of the hydraulic discharging machine of the utility model, so that the sealing ring can still fit tightly against the inner wall of the cylinder with the support of the elastic sheet and the movable block after being worn, thereby ensuring the sealing effect and avoiding the presence of residual material on the inner wall of the cylinder. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the preparation system of the utility model.

[0016] Figure 2It is a structural schematic diagram of the middle material cylinder of the utility model.

[0017] Figure 3 It is a cross-sectional view between the sealing ring and the inner wall of the material cylinder in the utility model.

[0018] Figure 4 This is a schematic diagram of the internal structure of the intermediate pressure plate of the utility model when the sealing ring is not installed.

[0019] Figure 5 This is a schematic diagram of the internal enlarged structure of the intermediate pressure plate of the utility model after the sealing ring is installed.

[0020] Explanation of the reference numerals: raw material storage tank 1, metering pump 2, screw extruder 3, heat exchanger 4, hydraulic discharger 5, material cylinder 51, feed port 511, discharge port 512, pressure plate 52, annular groove 521, mounting groove 522, guide block 5221, movable block 523, accommodating groove 5231, sealing ring 524, elastic member 525, hydraulic system 53. DETAILED DESCRIPTION

[0021] In order to make the technical solution of the utility model clearer, the utility model is further described below in conjunction with the accompanying drawings. Any equivalent replacement of the technical features of the technical solution of the utility model and any solution derived from conventional reasoning shall fall within the protection scope of the utility model. The fixed connection and fixed setting mentioned in the utility model are all common connection methods in the mechanical field, including welding, bolt and nut connection, and screw connection.

[0022] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0023] like Figure 1 As shown, this embodiment provides a complete preparation system for a two-component sealant, including a raw material storage tank 1, a metering pump 2, a screw extruder 3, a heat exchanger 4 and a hydraulic discharger 5 which are sequentially connected by pipelines, the metering pump 2 is used to extract the raw material in the raw material storage tank 1 and quantitatively convey it to the screw extruder 3, the screw extruder 3 is used to mix and convey the raw materials, the heat exchanger 4 is used to cool the extruded rubber material, and the hydraulic discharger 5 is used to extrude and discharge the cooled rubber material.

[0024] like Figure 2-5As shown, the hydraulic discharger 5 includes a material cylinder 51, a pressure plate 52 and a hydraulic system 53. A discharge port 512 is provided at the bottom of the material cylinder 51. A pressure plate 52 of a size suitable for the material cylinder 51 is provided in the material cylinder 51. The pressure plate 52 is driven up and down by the hydraulic system 53. A circle of annular grooves 521 are provided on the side wall of the pressure plate 52. The position of the annular groove 521 is located at the lower end of the side wall of the pressure plate 52. A plurality of mounting grooves 522 are evenly provided on the inner wall of the annular groove 521. The inner walls of the mounting grooves 522 are arranged in parallel. A movable block 523 is horizontally slidably provided in each mounting groove 522. The mounting grooves 522 and the movable blocks 523 are both in an arc-shaped structure. One end of the inner side of the movable block 523 is provided in the mounting groove. The elastic member 525 in 522 supports outward, and the elastic member 525 is an elastic sheet and there are two of them. The two elastic sheets are distributed on both sides of the movable block 523. The outer side of the movable block 523 is an arc-shaped structure, and a receiving groove 5231 is opened at one end of the outer side of each movable block 523. An elastic rubber sealing ring 524 is embedded in the receiving groove 5231 of several movable blocks 523. The inner end of the sealing ring 524 is embedded in the receiving groove 5231 and the annular groove 521. The outer side of the sealing ring 524 is tightly fitted on the inner wall of the material cylinder 51 under the support of the movable block 523, so that the sealing ring 524 can still fit tightly with the inner wall of the material cylinder 51 after wear to ensure the sealing effect.

[0025] In this embodiment, guide blocks 5221 are symmetrically provided on both sides of the installation groove 522 , and both sides of the movable block 523 are engaged with the guide blocks 5221 through sliding grooves to achieve sliding connection between the movable block 523 and the installation groove 522 .

[0026] In this embodiment, a feed port 511 is provided on the side wall of the material cylinder 51 for connecting to the discharge end of the heat exchanger through a pipeline. The position of the feed port 511 corresponds to the position between two adjacent mounting grooves 522 on the pressure plate 52 to avoid contact between the sealing ring 524 and the feed port 511 and increase the wear of the sealing ring 524.

[0027] The above is only a preferred specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any changes or substitutions that can be easily thought of by a technician familiar with the technical field within the technical scope disclosed by the utility model should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A two-component sealant complete preparation system, characterized in that: The invention comprises a raw material storage tank (1), a metering pump (2), a screw extruder (3), a heat exchanger (4) and a hydraulic discharger (5) which are sequentially connected by pipelines. The metering pump (2) is used to extract the raw material in the raw material storage tank (1) and quantitatively deliver it to the screw extruder (3). The screw extruder (3) is used to mix and deliver the raw material. The heat exchanger (4) is used to cool the extruded rubber material. The hydraulic discharger (5) is used to extrude and discharge the cooled rubber material. The hydraulic discharger (5) comprises a material cylinder (51), a pressure plate (52) and a hydraulic system (53). The bottom of the material cylinder (51) is provided with a discharge port (512). A pressure plate (52) of a size suitable for the material cylinder (51) is provided in the material cylinder (51). The pressure plate (52) is driven to rise and fall by the hydraulic system (53). The side wall of the pressure plate (52) is provided with a pressure plate (52) which is adapted to the size of the material cylinder (51). A circle of annular grooves (521) is provided, and a plurality of mounting grooves (522) are evenly provided on the inner side wall of the annular groove (521). A movable block (523) is horizontally slidably provided in each mounting groove (522). The inner end of the movable block (523) is supported outwardly by an elastic member (525) provided in the mounting groove (522). The outer side of the movable block (523) is an arc-shaped structure, and a receiving groove (5231) is provided at the outer end of each movable block (523). An elastic sealing ring (524) is embedded in the receiving groove (5231) of the plurality of movable blocks (523). The inner side of the sealing ring (524) is located in the annular groove (521), and the outer side of the sealing ring (524) is tightly fitted on the inner wall of the material cylinder (51) under the support of the movable block (523).

2. A two-component sealant complete preparation system as claimed in claim 1, characterized in that: The annular groove (521) is located at the lower end of the side wall of the pressure plate (52).

3. A two-component sealant preparation system as claimed in claim 1, characterized in that: The elastic member (525) is an elastic sheet.

4. A two-component sealant preparation system as claimed in claim 1, characterized in that: The two sides of the installation groove (522) are symmetrically provided with guide blocks (5221), and the two sides of the movable block (523) are engaged with the guide blocks (5221) through sliding grooves, so as to realize the sliding connection between the movable block (523) and the installation groove (522).

5. A two-component sealant preparation system as claimed in claim 4, characterized in that: The installation groove (522) and the movable block (523) are both arc-shaped structures.

6. A two-component sealant preparation system as claimed in claim 1, characterized in that: A feed port (511) is provided on the side wall of the material cylinder (51), and the position of the feed port (511) corresponds to the position between two adjacent mounting grooves (522) on the pressure plate (52).

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