A polyurethane adhesive reaction kettle with adjustable dilution

Abstract

The utility model provides a polyurethane adhesive reaction kettle of dilution adjustable belongs to the technical field of reaction kettle. Including the reaction kettle body, the inside of reaction kettle body is provided with the stirring chamber, the top of reaction kettle body installs the top cover, the bottom of top cover installs the stirring subassembly, the top of top cover installs the mounting seat, installs the pipe on the top cover, the section of pipe that extends into the stirring chamber installs the liquid outlet, the bottom of reaction kettle body installs the discharge cylinder, the bottom of one side of reaction kettle body installs the heating spare. The utility model discloses the sealing assembly that sets up, can when cleaning, starts water pump and makes the cleaning fluid pumping to enter the through cavity inside the rotating rod, under the action of water pressure, the sealing seat is pushed and makes the top pressure spring be compressed, makes the liquid pumping to enter the inside of reaction kettle body, and further realizes the operation such as cleaning, when stirring work, the sealing seat realizes the sealing under the action of spring's elasticity, avoids the glue such as entering the through cavity.

Description

Technical Field

[0001] This utility model relates to the field of reaction vessel technology, and in particular to a polyurethane adhesive reaction vessel with adjustable dilution. Background Technology

[0002] Polyurethane adhesives are adhesives containing urethane groups (-NHCOO-) or isocyanate groups (-NCO) in their molecular chains. Polyurethane adhesives are broadly classified into two categories: polyisocyanates and polyurethanes. Polyisocyanates contain isocyanate groups (-NCO) and urethane groups (-NH-COO-) in their molecular chains, thus exhibiting high reactivity and polarity. They possess excellent chemical adhesion to substrates containing active hydrogen, such as porous materials like foams, plastics, wood, leather, fabrics, paper, and ceramics, as well as smooth-surfaced materials like metals, glass, rubber, and plastics. During the processing of polyurethane adhesives, auxiliary stirring in a reaction vessel is required.

[0003] Existing polyurethane adhesive reactors are mostly sealed at the top. During cleaning, due to the sealed internal space, problems such as cleaning dead spots can easily occur, affecting the overall use of the reactor and the overall quality of the adhesive at the processing site. Therefore, this application provides a polyurethane adhesive reactor with adjustable dilution to meet the requirements. Utility Model Content

[0004] The technical problem to be solved by this utility model is to provide a polyurethane adhesive reaction vessel with adjustable dilution to solve the problem that the top of the existing polyurethane adhesive reaction vessels is mostly in a closed state. When cleaning, due to the sealed state of the internal space of the reaction vessel, problems such as cleaning dead corners in the internal space of the reaction vessel are easy to occur, which affects the overall use of the reaction vessel and the overall quality of the adhesive at the processing site.

[0005] To solve the above-mentioned technical problems, this utility model provides the following technical solution: A polyurethane adhesive reaction vessel with adjustable dilution includes a reaction vessel body, an internal stirring chamber, a top cover, an auxiliary stirring assembly, a mounting base, a servo motor for rotating the stirring assembly, a conduit, a discharge port, a discharge cylinder, a valve, and an auxiliary heating element.

[0006] Optionally, the agitation assembly includes a rotating rod rotatably mounted on the top cover, with crossbars symmetrically mounted on the side of the rotating rod. The rotating rod and the crossbars have internal conduits for conducting cavities. A water outlet is provided at the end of the crossbar away from the rotating rod, and an auxiliary sealing assembly is installed at the water outlet.

[0007] Optionally, the sealing assembly includes a fixed frame fixed in the passage cavity, a slide rod slidably disposed on the fixed frame, a pressure spring for auxiliary pressure is sleeved on the fixed frame corresponding to the slide rod, a sealing seat is fixed at the end of the slide rod away from the pressure spring, and the sealing seat presses against the outlet on the crossbar.

[0008] Optionally, a worm gear is fixed to the front end of the servo motor shaft, and a worm wheel is installed near the top of the rotating rod, with the worm wheel and the worm gear engaging in transmission.

[0009] Optionally, a limit strip is provided at the outer edge of the rotating rod, and a limit groove is provided inside the mounting base for the limit strip to slide.

[0010] Optionally, a connecting pipe is rotatably embedded at the top of the rotating rod, and the connecting pipe has an L-shaped tubular structure.

[0011] Optionally, a horizontal plate is fitted and fixed at the outer edge of the connecting pipe, and an electric actuator for adjusting the height of the connecting pipe is installed at the top of the horizontal plate.

[0012] Optionally, a plurality of liquid outlets are provided, and the plurality of liquid outlets are equidistantly arranged on the conduit.

[0013] Optionally, a support leg is installed at the bottom of the reactor body, and four support legs are symmetrically arranged.

[0014] Optionally, an observation chamber is vertically formed on one side of the reactor body, and a transparent window is installed in the observation chamber.

[0015] Compared with the prior art, this utility model has at least the following beneficial effects: In the above scheme, the sealing component allows the water pump to be started during cleaning, pumping the cleaning fluid into the through-cavity inside the rotating rod. Under the action of water pressure, the sealing seat is pushed and the top pressure spring is compressed, allowing the liquid to be pumped into the reactor body, thereby achieving cleaning and other operations. In conjunction with the electric actuator, the height of the stirring component can be easily adjusted during operation, improving the overall practicality of the device and avoiding the generation of cleaning dead corners. During stirring, the sealing seat achieves a seal under the elastic force of the spring, preventing glue and other substances from entering the through-cavity and ensuring the smooth progress of subsequent work. By coordinating the limit bars and limit grooves, the rotating rod can still rotate via worm gear transmission while being adjusted up and down. Attached Figure Description

[0016] The accompanying drawings, which are incorporated herein and form part of the specification, illustrate embodiments of the present invention and, together with the specification, further serve to explain the principles of the present invention and enable those skilled in the art to implement and use the present invention.

[0017] Figure 1 A schematic diagram of the three-dimensional structure of a polyurethane adhesive reaction vessel with adjustable dilution. Figure 2 A longitudinal sectional view of a reactor for a polyurethane adhesive with adjustable dilution. Figure 3 A schematic diagram of the structure after installing an agitator assembly on the top cover of a reactor for dilution-adjustable polyurethane adhesive; Figure 4 For polyurethane adhesive reaction vessels with adjustable dilution Figure 1 Enlarged structural diagram at point A; Figure 5 For polyurethane adhesive reaction vessels with adjustable dilution Figure 2 A magnified structural diagram at point B in the middle.

[0018] [Figure Labels]

[0019] 1. Reactor body; 2. Support leg; 3. Transparent window; 4. Top cover; 5. Guide tube; 51. Liquid outlet; 6. Mounting base; 61. Limiting groove; 7. Servo motor; 71. Worm gear; 8. Connecting pipe; 9. Stirring assembly; 10. Rotating rod; 101. Worm wheel; 102. Limiting strip; 11. Crossbar; 12. Sealing assembly; 13. Fixing frame; 14. Slide rod; 15. Top pressure spring; 16. Sealing seat; 17. Horizontal plate; 18. Electric push rod; 19. Heating element.

[0020] As shown in the figure, specific structures and devices are marked in the figure to clearly illustrate the structure of the embodiment of this utility model. However, this is only for illustrative purposes and is not intended to limit this utility model to this specific structure, device and environment. Those skilled in the art can adjust or modify these devices and environments according to specific needs. Detailed Implementation

[0021] The following is a detailed description of a polyurethane adhesive reaction vessel with adjustable dilution provided by this utility model, in conjunction with the accompanying drawings and specific embodiments. It should be noted that, to make the embodiments more detailed, the following embodiments are the best and preferred embodiments; those skilled in the art can also use other alternative methods to implement some known technologies; and the accompanying drawings are only for more specific description of the embodiments and are not intended to specifically limit this utility model.

[0022] It should be noted that the use of terms such as "an embodiment," "an embodiment," "an exemplary embodiment," and "some embodiments" in the specification indicates that the described embodiment may include a specific feature, structure, or characteristic, but not every embodiment necessarily includes that specific feature, structure, or characteristic. Furthermore, when a specific feature, structure, or characteristic is described in connection with an embodiment, implementing such a feature, structure, or characteristic in conjunction with other embodiments (whether explicitly described or not) should be within the knowledge of those skilled in the art.

[0023] Generally, terms can be understood at least partly from their use in context. For example, depending at least partly on the context, the term "one or more" as used herein can be used to describe any feature, structure, or characteristic in a singular sense, or a combination of features, structures, or characteristics in a plural sense. Additionally, the term "based on" can be understood not necessarily to convey an exclusive set of factors, but rather, alternatively, depending at least partly on the context, to allow for the presence of other factors that are not necessarily explicitly described.

[0024] It is understood that the meanings of “on”, “above”, and “above” in this utility model should be interpreted in the broadest manner, such that “on” not only means “directly on” something, but also includes the meaning of being “on” something with an intervening feature or layer, and that “above” or “above” not only means “on” something, but also includes the meaning of being “on” something without an intervening feature or layer.

[0025] Furthermore, spatially related terms such as “below,” “under,” “lower,” “above,” and “upper” are used herein for convenience to describe the relationship of one element or feature to one or more other elements or features, as illustrated in the accompanying drawings. Spatially related terms are intended to cover different orientations in the use or operation of the device other than those depicted in the accompanying drawings. The device may be oriented in other ways, and the spatially related descriptive terms used herein can be interpreted similarly.

[0026] like Figure 1-5As shown, an embodiment of this utility model provides a polyurethane adhesive reaction vessel with adjustable dilution, including a reaction vessel body 1, a stirring chamber inside the reaction vessel body 1, a top cover 4 installed at the top of the reaction vessel body 1, support legs 2 installed at the bottom of the reaction vessel body 1, four support legs 2 symmetrically arranged, an observation chamber vertically opened on one side of the reaction vessel body 1, a transparent window 3 installed in the observation chamber, a discharge cylinder installed at the bottom of the reaction vessel body 1, a valve installed on the conduit 5, and an auxiliary heating element 19 installed at the bottom of one side of the reaction vessel body 1. The wall-mounted installation of the heating element 19 ensures that heat is evenly transferred to the stirring chamber, avoiding local overheating that could lead to adhesive degradation. Through the transparent window 3, the overall liquid level of the adhesive inside can be easily and effectively determined during operation.

[0027] An auxiliary stirring assembly 9 is installed at the bottom of the top cover 4, and a mounting base 6 is installed at the top of the top cover 4. A servo motor 7 that drives the stirring assembly 9 to rotate is installed on the side of the mounting base 6. The stirring assembly 9 includes a rotating rod 10 rotatably mounted on the top cover 4. Crossbars 11 are symmetrically installed on the side of the rotating rod 10. A through cavity is opened inside the rotating rod 10 and the crossbars 11. A water outlet is provided at the end of the crossbars 11 away from the rotating rod 10. An auxiliary sealing assembly 12 is installed at the water outlet. The sealing assembly 12 includes a fixed frame 13 fixed in the conduction cavity. A slide rod 14 is slidably arranged on the fixed frame 13. A top pressure spring 15 for auxiliary top pressure is sleeved on the fixed frame 13 corresponding to the slide rod 14. A sealing seat 16 is fixed at the end of the slide rod 14 away from the top pressure spring 15. The sealing seat 16 presses against the outlet of the crossbar 11. A worm gear 71 is fixed at the front end of the shaft of the servo motor 7. A worm wheel 101 is installed near the top of the rotating rod 10. The worm wheel 101 and the worm gear 71 cooperate for transmission.

[0028] The transmission design of the worm gear 71 and worm wheel 101 enables the servo motor 7 to drive the stirring component 9 smoothly, reducing the impact of mechanical vibration on the adhesive performance. The sealing component 12 allows the water pump to be started during cleaning, pumping the cleaning fluid into the conductive cavity inside the rotating rod 10. Under the action of water pressure, the sealing seat 16 is pushed and the top pressure spring 15 is compressed, allowing the liquid to be pumped into the reactor body 1, thereby realizing cleaning and other operations. During stirring, the sealing seat 16 achieves sealing under the action of the spring's elastic force, preventing glue and other substances from entering the conductive cavity and ensuring the smooth progress of subsequent work.

[0029] The outer edge of the rotating rod 10 is provided with a limiting strip 102. The mounting base 6 has a limiting groove 61 for the limiting strip 102 to slide. A horizontal plate 17 is sleeved and fixed on the outer edge of the connecting pipe 8. An electric push rod 18 is installed at the top of the horizontal plate 17 to drive the height adjustment of the connecting pipe 8. The connecting pipe 8 is rotatably embedded at the top of the rotating rod 10. The connecting pipe 8 has an L-shaped tubular structure. The height of the horizontal plate 17 is adjusted by the extension of the electric push rod 18, thereby realizing the height adjustment of the rotating rod 10.

[0030] By cooperating with the limit bar 102 and the limit groove 61, the rotating rod 10 can still rotate through the worm gear 101 while it is moving up and down. By using the electric push rod 18, the height of the stirring component 9 can be easily adjusted during operation, thus improving the overall practicality of the device.

[0031] Furthermore, a conduit 5 is installed on the top cover 4. A liquid outlet 51 is installed on the section of the conduit 5 that extends into the stirring chamber. Several liquid outlets 51 are provided, equidistantly arranged on the conduit 5. These multiple liquid outlets 51 facilitate the uniform injection of raw materials into the reactor body 1 during operation, improving the overall practicality of the device. In specific operation, a solenoid valve for metering control can be installed on the conduit 5. The multiple liquid outlets 51 decompose the high-concentration raw material liquid flow into multiple fine streams, similar to diverting concentrated raw material into concentrated liquid. The "water column" transforms into a dispersed "rain curtain," allowing the raw materials to come into extensive and uniform contact with the base solvent in the reactor within three-dimensional space the instant they enter. This physically prevents excessively high local concentrations. Combined with solenoid valve metering and concentration sensor control, precise dilution regulation is achieved. In specific operation, the solenoid valve model is DCF-T-25-D24-FB-S, which can be used but is not limited to. The concentration sensor model is CDS-OPT-25-G-S1, which can be used but is not limited to.

[0032] The working principle of the technical solution provided by this utility model is as follows: The diluent is injected into the stirring chamber through the conduit 5 and the outlet 51. The servo motor 7 drives the rotating rod 10 to rotate through the meshing transmission of the worm gear 71 and the worm wheel 101. The crossbar 11 rotates synchronously with the rotating rod 10 to achieve material stirring. The electric push rod 18 drives the connecting pipe 8 to move vertically through the cross plate 17 to adjust the immersion depth of the rotating rod 10 in the stirring chamber. With the multi-point distribution of the outlet 51, the dilution degree can be precisely controlled. The heating element 19 is attached to the side wall of the reactor body 1 to maintain a constant temperature environment in the stirring chamber through heat radiation. The sliding cooperation between the limiting strip 102 and the limiting groove 61 ensures the axial stability of the rotating rod 10 when it rotates. The support leg 2 provides the basic support for the equipment.

[0033] The adhesive is discharged as a whole through the discharge cylinder at the bottom of the reactor body 1. During cleaning, the connecting pipe 8 is connected to the cleaning liquid pipeline, the water pump is started and the cleaning liquid is pumped into the conducting cavity inside the rotating rod 10. Under the action of water pressure, the sealing seat 16 is pushed and the top pressure spring 15 is compressed, so that the liquid is pumped into the reactor body 1, thereby realizing the cleaning and other operations. During the stirring operation, the sealing seat 16 achieves sealing under the action of the spring elastic force to prevent glue and other substances from entering the conducting cavity.

[0034] This utility model encompasses any substitutions, modifications, equivalent methods, and solutions made within the spirit and scope of this utility model. To provide the public with a thorough understanding of this utility model, specific details are described in detail in the following preferred embodiments; however, those skilled in the art will fully understand this utility model even without these detailed descriptions. Furthermore, to avoid unnecessary confusion regarding the essence of this utility model, well-known methods, processes, procedures, components, and circuits are not described in detail.

[0035] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A polyurethane adhesive reaction vessel with adjustable dilution, characterized in that, The reactor includes a reactor body (1), which has a stirring chamber inside. A top cover (4) is installed at the top of the reactor body (1). An auxiliary stirring component (9) is installed at the bottom of the top cover (4). A mounting base (6) is installed at the top of the top cover (4). A servo motor (7) that drives the stirring component (9) to rotate is installed on the side of the mounting base (6). A conduit (5) is installed on the top cover (4). A liquid outlet (51) is installed on the section of the conduit (5) that extends into the stirring chamber. A discharge cylinder is installed at the bottom of the reactor body (1). A valve is installed on the conduit (5). A heating element (19) for auxiliary heating is installed at the bottom of one side of the reactor body (1).

2. The polyurethane adhesive reaction vessel with adjustable dilution according to claim 1, characterized in that, The agitation assembly (9) includes a rotating rod (10) rotatably mounted on the top cover (4). A crossbar (11) is symmetrically mounted on the side of the rotating rod (10). A through cavity is provided inside the rotating rod (10) and the crossbar (11). A water outlet is provided at the end of the crossbar (11) away from the rotating rod (10). An auxiliary sealing assembly (12) is installed at the water outlet.

3. The polyurethane adhesive reaction vessel with adjustable dilution according to claim 2, characterized in that, The sealing assembly (12) includes a fixed frame (13) fixed in the conduction cavity. A slide rod (14) is slidably arranged on the fixed frame (13). A top pressure spring (15) for auxiliary top pressure is sleeved on the fixed frame (13) corresponding to the slide rod (14). A sealing seat (16) is fixed at the end of the slide rod (14) away from the top pressure spring (15). The sealing seat (16) presses against the outlet on the crossbar (11).

4. The polyurethane adhesive reaction vessel with adjustable dilution according to claim 3, characterized in that, The servo motor (7) has a worm gear (71) fixed at the front end of its shaft, and a worm wheel (101) is installed near the top of the rotating rod (10). The worm wheel (101) and the worm gear (71) cooperate to transmit power.

5. The polyurethane adhesive reaction vessel with adjustable dilution according to claim 2, characterized in that, A limiting strip (102) is provided at the outer edge of the rotating rod (10), and a limiting groove (61) is provided inside the mounting base (6) for the limiting strip (102) to slide.

6. The polyurethane adhesive reaction vessel with adjustable dilution according to claim 5, characterized in that, A connecting pipe (8) is rotatably embedded at the top of the rotating rod (10), and the connecting pipe (8) has an L-shaped tubular structure.

7. The polyurethane adhesive reaction vessel with adjustable dilution according to claim 6, characterized in that, A horizontal plate (17) is fixedly fitted on the outer edge of the connecting pipe (8), and an electric push rod (18) is installed at the top of the horizontal plate (17) to drive the height adjustment of the connecting pipe (8).

8. The polyurethane adhesive reaction vessel with adjustable dilution according to claim 1, characterized in that, The liquid outlet (51) is provided in a plurality of places, and the plurality of liquid outlets (51) are equidistantly arranged on the conduit (5).

9. The polyurethane adhesive reaction vessel with adjustable dilution according to claim 1, characterized in that, The reactor body (1) is equipped with support legs (2) at the bottom, and four support legs (2) are symmetrically arranged.

10. The polyurethane adhesive reaction vessel with adjustable dilution according to claim 1, characterized in that, An observation chamber is vertically opened on one side of the reactor body (1), and a transparent window (3) is installed in the observation chamber.

Images