Solvent-free polyurethane adhesive preparation device

By designing a solvent-free polyurethane adhesive preparation device with a drive and transmission mechanism, the problem of low stirring efficiency was solved, achieving efficient raw material mixing and device stability, and simplifying the operation process.

CN223439830UActive Publication Date: 2025-10-17ZHEJIANG LUOXING IND CO LTD
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Patent Information

Application Number
CN202422447760.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-10
Publication Date
2025-10-17
Estimated Expiration
2034-10-10

AI Technical Summary

Technical Problem

Existing solvent-free polyurethane adhesive preparation equipment has low stirring efficiency, which affects the efficiency of operators.

Method used

A solvent-free polyurethane adhesive preparation device was designed, which includes a drive mechanism and a transmission mechanism. The drive motor drives the rotating rod to rotate synchronously, and the multi-layer protrusions and fixed rods rotate alternately. Combined with the gear ring and gear transmission, the raw materials are fully mixed.

Benefits of technology

It improves stirring efficiency, enhances the stability of the internal structure of the device, and is simple to operate and easy to use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of solvent-free polyurethane adhesives, and discloses a solvent-free polyurethane adhesive preparation device which comprises a reaction kettle, supporting legs fixedly connected to the bottom of the reaction kettle, a feeding port fixedly connected to the top of the left side of the reaction kettle, a discharging pipe fixedly connected to the bottom of the front side of the reaction kettle and a driving mechanism arranged in the reaction kettle. A transmission mechanism is arranged in the driving mechanism, the driving mechanism comprises a driving assembly, a first supporting assembly and a stirring assembly, the driving assembly is arranged in the reaction kettle, the first supporting assembly is arranged on the outer ring of the driving assembly, and the stirring assembly is arranged on the outer side of the first supporting assembly. According to the solvent-free polyurethane adhesive preparation device, through the arrangement of the driving mechanism, a worker can drive a plurality of rotating rods to synchronously rotate only by starting a driving motor, so that the rotating rods rotate to drive a convex frame and a fixed rod to rotate to complete mixing of raw materials in a reaction kettle, the operation is simple, and the worker can conveniently use the device.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of solventless polyurethane adhesive, specifically to a solventless polyurethane adhesive preparation device. BACKGROUND

[0002] Solventless polyurethane adhesive is a special kind of polyurethane adhesive, which does not add any solvent during preparation and use, thus achieving environmental protection and energy saving. The preparation of solventless polyurethane adhesive is a complex process involving multiple steps, and the key is to ensure that the components fully react under solventless conditions and achieve the desired performance.

[0003] During the preparation of solventless polyurethane adhesive, the polyurethane emulsion needs to be heated to a certain temperature, and the stirrer is turned on. The modified nanomaterial is slowly added, and other additives such as defoaming agent are added to prepare solventless polyurethane adhesive. However, the existing preparation device has low stirring efficiency when in use, which is not convenient for the staff to use. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a solventless polyurethane adhesive preparation device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a solventless polyurethane adhesive preparation device, comprising a reaction kettle, the bottom of the reaction kettle is fixedly connected with a supporting leg, the top of the left side of the reaction kettle is fixedly connected with a feeding port, the bottom of the front side of the reaction kettle is fixedly connected with a discharging pipe, a driving mechanism is arranged in the reaction kettle, and a transmission mechanism is arranged in the driving mechanism.

[0006] The driving mechanism comprises a driving assembly, a supporting assembly one and an agitating assembly, the driving assembly is arranged in the reaction kettle, the supporting assembly one is arranged outside the outer circle of the driving assembly, and the agitating assembly is arranged outside the supporting assembly one.

[0007] The transmission mechanism comprises a supporting assembly two and a transmission assembly, the supporting assembly two is arranged outside the outer circle of the driving assembly, and the transmission assembly is arranged outside the supporting assembly two.

[0008] Preferably, the driving assembly comprises a driving motor, the driving motor is fixedly connected to the top of the reaction kettle, the bottom of the driving motor is fixedly connected with a rotating shaft, the rotating shaft is rotatably connected to the top of the reaction kettle, the bottom of the outer circle of the rotating shaft is rotatably connected with a supporting sleeve, and the supporting sleeve is fixedly connected to the inner bottom of the reaction kettle.

[0009] Preferably, the supporting assembly one comprises a convex ring, the convex ring is fixedly connected to the outer circle of the rotating shaft, a rotating ring one is rotatably connected to the outer circle of the convex ring, and a rotating ring two is rotatably connected to the outer side of the rotating ring one.

[0010] Preferably, the stirring assembly comprises a rotating rod fixedly connected to the inner ring of the rotating ring, an outer end of the rotating rod being rotatably connected with a supporting drum, the supporting drum being fixedly connected to the inner wall of the reaction kettle, the outer ring of the supporting drum being fixedly connected with a protruding bracket, the inner side of the protruding bracket being fixedly connected with a fixed rod, and the fixed rod being fixedly connected to the outer ring of the rotating rod.

[0011] Preferably, the supporting assembly two comprises a rotating ring rotatably connected to the outer ring of the rotating shaft at a position inside the protruding ring, the outer ring of the rotating ring being fixedly connected with a supporting ring, and the supporting ring being rotatably connected to the outer ring of the rotating rod.

[0012] Preferably, the transmission assembly comprises a gear ring fixedly connected to the outer ring of the rotating shaft at a position inside the protruding ring, the gear ring being arranged above the rotating ring, the bottom outer ring of the gear ring being engaged with a pinion gear fixedly connected to the outer ring of the rotating rod.

[0013] Compared with the prior art, the solvent-free polyurethane adhesive preparation device has the following beneficial effects:

[0014] 1. The solvent-free polyurethane adhesive preparation device, by setting the driving mechanism, the staff only needs to start the driving motor to drive the plurality of rotating rods to rotate synchronously, so that the rotating rod rotates to drive the protruding bracket and the fixed rod to rotate to complete the mixing of the raw materials in the reaction kettle, which is simple to operate and convenient for the staff to use, the multiple protruding brackets and fixed rods rotate alternately without colliding with each other, the rotating rod fixed by the supporting drum is more stable than the traditional stirring blade in the rotating process, the occupying space of the protruding bracket and the fixed rod in the reaction kettle is improved, the stirring efficiency is improved, and the protruding ring cooperates with the rotating ring one and the rotating ring two to prevent the raw materials in the reaction kettle from entering the internal space of the protruding ring, thereby ensuring the stability of the internal structure of the device.

[0015] 2. The solvent-free polyurethane adhesive preparation device, by setting the transmission mechanism, the gear ring rotates with the rotating shaft to drive the rotation of the rotating rod through the gear, so that the plurality of rotating rods can rotate synchronously, thereby ensuring the stirring efficiency of the device when used, and the rotating ring is connected with the rotating rod through the supporting ring, thereby increasing the stability of the rotating rod in the rotating process. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor on the basis of these drawings:

[0017] Figure 1 is a front view of the utility model;

[0018] Figure 2 is a side view of the utility model;

[0019] Figure 3 is an exploded view of part of the structure of the utility model;

[0020] Figure 4 is a schematic view of part of the driving mechanism structure;

[0021] Figure 5 is a schematic view of part of the structure of the utility model;

[0022] Figure 6 is a sectional view of part of the structure of the utility model.

[0023] In the drawing: 1, driving mechanism; 11, driving assembly; 1101, driving motor; 1102, rotating shaft; 1103, support sleeve; 12, support assembly one; 1201, convex ring; 1202, rotating ring one; 1203, rotating ring two; 13, stirring assembly; 1301, rotating rod; 1302, support rotating cylinder; 1303, convex bracket; 1304, fixed rod; 2, transmission mechanism; 21, support assembly two; 2101, rotating ring; 2102, support sleeve ring; 22, transmission assembly; 2201, tooth ring; 2202, gear; 3, reaction kettle; 31, feed inlet; 32, discharge pipe; 4, support leg. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0025] In the utility model, unless explicitly defined and limited, the terms "mounting", "connection", "connecting", "fixing" and the like should be understood broadly, for example, can be fixed connection, or detachable connection, or integrated; can be mechanical connection, or electrical connection; can be directly connected, or indirectly connected through an intermediate medium; can be the communication inside two elements or the interaction relationship between two elements. For those skilled in the art, the specific meanings of the above terms in the utility model can be understood according to specific circumstances.

[0026] The utility model provides a technical scheme:

[0027] Embodiment one

[0028] In combination Figures 1 to 6 The utility model relates to a solventless polyurethane adhesive preparation device, including reaction kettle 3, reaction kettle 3 bottom fixed connection has branch leg 4, reaction kettle 3 left side top fixed connection has feed inlet 31, reaction kettle 3 front side bottom fixed connection has discharge pipe 32, be provided with drive mechanism 1 in reaction kettle 3, drive mechanism 1 is provided with transmission mechanism 2 in.

[0029] Drive mechanism 1 including drive assembly 11, support assembly no. 12 and agitating assembly 13, drive assembly 11 sets up in reaction kettle 3, support assembly no. 12 sets up in the outer ring of drive assembly 11, agitating assembly 13 sets up in the outside of support assembly no. 12.

[0030] Drive assembly 11 includes drive motor 1101, drive motor 1101 fixed connection is in the top of reaction kettle 3, drive motor 1101 bottom fixed connection has rotating shaft 1102, rotating shaft 1102 rotationally connects in the top of reaction kettle 3, rotating shaft 1102 outer circle bottom rotationally connects with support sleeve 1103, support sleeve 1103 fixed connection is in the bottom of reaction kettle 3, support assembly no. 12 includes convex ring 1201, convex ring 1201 fixed connection is in the outer ring of rotating shaft 1102, convex ring 1201 outer ring rotationally connects with rotating ring no. 1202, rotating ring no. 1202 outside rotationally connects with rotating ring no. 1203, agitating assembly 13 includes rotating rod 1301, rotating rod 1301 fixed connection is in the inner ring of rotating ring no. 1203, rotating rod 1301 outer end rotationally connects with support rotating cylinder 1302, support rotating cylinder 1302 fixed connection is in the inner wall of reaction kettle 3, support rotating cylinder 1302 outer ring fixed connection has convex stand 1303, convex stand 1303 inboard fixed connection has fixed rod 1304, fixed rod 1304 fixed connection is in the outer ring of rotating rod 1301.

[0031] Further: staff only need to start drive motor 1101 can drive multiple rotating rod 1301 synchronous rotation, make rotating rod 1301 rotation drive convex stand 1303 and fixed rod 1304 rotation to the raw material in reaction kettle 3 complete to mix, simple operation is convenient for staff to use, the staggered rotation of multilayer convex stand 1303 and fixed rod 1304, will not collide with each other, through the rotating rod 1301 of support rotating cylinder 1302 fixation, compared with traditional stirring blade, the rotation process is more stable, improve the occupation space of convex stand 1303 and fixed rod 1304 in reaction kettle 3, improve the stirring efficiency, convex ring 1201 through the cooperation with rotating ring no. 1202 and rotating ring no. 1203, make the raw material in reaction kettle 3 unable to enter the internal space of convex ring 1201, guarantee the stability of the internal structure of the device.

[0032] Example two

[0033] Reference Figure 5 And Figure 6And on the basis of embodiment one, further obtained, transmission mechanism 2 includes support assembly two 21 and transmission assembly 22, support assembly two 21 is arranged in the outer circle of drive assembly 11, transmission assembly 22 is arranged in the outer side of support assembly two 21.

[0034] Support assembly two 21 includes rotating ring 2101, rotating ring 2101 is rotatably connected to the outer circle of rotating shaft 1102 at the position inside the convex ring 1201, the outer circle of rotating ring 2101 is fixedly connected with support sleeve ring 2102, support sleeve ring 2102 is rotatably connected to the outer circle of rotating rod 1301, transmission assembly 22 includes gear ring 2201, gear ring 2201 is fixedly connected to the outer circle of rotating shaft 1102 at the position inside the convex ring 1201, gear ring 2201 is arranged at the position above rotating ring 2101, the bottom outer circle of gear ring 2201 is engaged with evil gear 2202, gear 2202 is fixedly connected to the outer circle of rotating rod 1301.

[0035] Further: gear ring 2201 rotates with rotating shaft 1102 to drive rotating rod 1301 to rotate through gear 2202, so that a plurality of rotating rods 1301 can rotate synchronously, ensuring the stirring efficiency of the device when used, rotating ring 2101 is connected with rotating rod 1301 through support sleeve ring 2102, increasing the stability of rotating rod 1301 during rotation.

[0036] In actual operation, when the device is used, start drive motor 1101, drive motor 1101 drives rotating shaft 1102 to rotate, rotating shaft 1102 rotates to drive gear 2202 to rotate through gear ring 2201, gear 2202 rotates to drive rotating rod 1301 to rotate, rotating rod 1301 rotates to drive convex frame 1303 and fixed rod 1304 to rotate, convex frame 1303 and fixed rod 1304 rotate to contact the raw materials in the reaction kettle 3 to complete the mixing treatment of the raw materials.

[0037] It should be noted that in this text, relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variant thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment. Without more limitation, the element defined by the statement "including a......" does not exclude the presence of another identical element in the process, method, article or equipment including the element.

Claims

1. A solvent-free polyurethane adhesive preparation device, comprising a reaction kettle (3), characterized in that: The bottom of the reactor (3) is fixedly connected to a support leg (4), the top of the left side of the reactor (3) is fixedly connected to a feed port (31), the bottom of the front side of the reactor (3) is fixedly connected to a discharge pipe (32), a driving mechanism (1) is provided in the reactor (3), and a transmission mechanism (2) is provided in the driving mechanism (1); The driving mechanism (1) comprises a driving component (11), a supporting component (12) and a stirring component (13), wherein the driving component (11) is arranged in the reactor (3), the supporting component (12) is arranged on the outer ring of the driving component (11), and the stirring component (13) is arranged outside the supporting component (12); The transmission mechanism (2) comprises a second support component (21) and a transmission component (22), wherein the second support component (21) is arranged on the outer ring of the drive component (11), and the transmission component (22) is arranged outside the second support component (21).

2. The solvent-free polyurethane adhesive preparation device according to claim 1, characterized in that: The drive assembly (11) comprises a drive motor (1101), the drive motor (1101) being fixedly connected to the top of the reactor (3), a rotating shaft (1102) being fixedly connected to the bottom of the drive motor (1101), the rotating shaft (1102) being rotatably connected to the inside of the top of the reactor (3), a support sleeve (1103) being rotatably connected to the bottom of the outer ring of the rotating shaft (1102), and the support sleeve (1103) being fixedly connected to the bottom inside the reactor (3).

3. The solvent-free polyurethane adhesive preparation device according to claim 1, characterized in that: The support assembly 1 (12) includes a convex ring (1201), which is fixedly connected to the outer ring of the rotating shaft (1102). The outer ring of the convex ring (1201) is rotatably connected to the rotating ring 1 (1202), and the outer inner side of the rotating ring 1 (1202) is rotatably connected to the rotating ring 2 (1203).

4. The solvent-free polyurethane adhesive preparation device according to claim 1, characterized in that: The stirring assembly (13) comprises a rotating rod (1301), wherein the rotating rod (1301) is fixedly connected to the inner ring of the second rotating ring (1203), the outer end of the rotating rod (1301) is rotatably connected to a supporting rotating drum (1302), the supporting rotating drum (1302) is fixedly connected to the inner wall of the reactor (3), the outer ring of the supporting rotating drum (1302) is fixedly connected to a protrusion (1303), the inner side of the protrusion (1303) is fixedly connected to a fixing rod (1304), and the fixing rod (1304) is fixedly connected to the outer ring of the rotating rod (1301).

5. The solvent-free polyurethane adhesive preparation device according to claim 1, characterized in that: The second support assembly (21) includes a rotating ring (2101), the rotating ring (2101) is rotatably connected to the outer ring of the rotating shaft (1102) and is located inside the convex ring (1201), the outer ring of the rotating ring (2101) is fixedly connected to the supporting collar (2102), and the supporting collar (2102) is rotatably connected to the outer ring of the rotating rod (1301).

6. The solvent-free polyurethane adhesive preparation device according to claim 1, characterized in that: The transmission assembly (22) includes a gear ring (2201), which is fixedly connected to the outer ring of the rotating shaft (1102) and located inside the convex ring (1201). The gear ring (2201) is arranged above the rotating ring (2101). The outer ring at the bottom of the gear ring (2201) engages with a gear (2202), and the gear (2202) is fixedly connected to the outer ring of the rotating rod (1301).