Drying device for PUR hot melt adhesive
By designing a PUR hot-melt adhesive drying device using a sliding frame and a cooler, the problem of excessively long forming time of hot-melt adhesive in the prior art is solved, rapid drying, cooling and forming is achieved, and production efficiency is improved.
Patent Information
- Application Number
- CN202421639432.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-11
- Publication Date
- 2025-06-17
- Estimated Expiration
- 2034-07-11
AI Technical Summary
In the existing PUR hot melt adhesive molding device, the hot melt adhesive cooling and forming time is too long, resulting in low production efficiency.
A drying device for PUR hot melt adhesive is designed. The combination of sliding frame and air cooler can quickly remove the heat from the mold through the cold air, and the rapid drying, cooling and forming of the hot melt adhesive is achieved.
The device is quickly cooled by cold air, which significantly shortens the molding time of hot melt adhesive, improves production efficiency, and is simple in structure and convenient in operation.
Smart Images

Figure CN222993437U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of PUR hot melt adhesive drying and molding, in particular to a drying device for PUR hot melt adhesive. Background Art
[0002] The full name of PUR hot melt adhesive is moisture-curing reactive polyurethane hot melt adhesive. Its mechanism of action is that the polyurethane prepolymer reacts with moisture in the air, solidifies and cross-links to form a stable chemical structure.
[0003] During the production process, the gelatinous PUR hot melt adhesive needs to be injected into the mold to dry and cool it into shape. During the molding process, a molding device is needed. The existing hot melt adhesive molding device has a too long hot melt adhesive cooling molding time and low production efficiency. Utility Model Content
[0004] 1. Technical issues to be resolved
[0005] In view of the deficiencies in the prior art, the utility model provides a drying device for PUR hot melt adhesive, which solves the problems of long cooling and molding time of hot melt adhesive and low production efficiency.
[0006] (Technical solution 2
[0007] In order to achieve the above-mentioned purpose, the utility model specifically adopts the following technical solutions:
[0008] A dry package for PUR hot melt adhesive, wherein handles are integrally arranged at one end of both sides of a frame body away from a flow guide, and the frame body is slidably connected to a limit block through sliding grooves on both sides.
[0009] Furthermore, a cold air flow channel is formed between the guide plates on the guide member, the cold air flow channel is narrower toward the air outlet formed at one end of the placement frame and the air inlet formed at the other end, and each row of drying and forming molds placed on the placement frame is correspondingly provided with an air outlet, and the lap plates integrally provided on both sides of the guide member are overlapped on the baffles provided on the inner walls of both sides of the shell;
[0010] The upper part and the lower part of the flow guide both abut against the inner wall of the shell, and a sealing pad is arranged between the flow guide and the inner wall of the shell.
[0011] Furthermore, the end plate is embedded in a port at one end of the shell and abuts against one end of the guide member, and an embedding slot for accommodating the air cooler is opened on the end plate, and an air intake filter cover is arranged on one side of the end plate displaced from the outside of the shell.
[0012] (Three beneficial effects
[0013] Compared with the prior art, the utility model provides a drying device for PUR hot melt adhesive, which has the following beneficial effects:
[0014] In the present utility model, a mold for storing PUR hot melt adhesive is placed in the inner cavity of a housing by means of a frame that can be slid and adjusted in position, and a cold air machine installed on the housing is used to prepare cold air to blow on the mold in the cavity, so that the cold air quickly takes away the heat on the mold, thereby ensuring that the PUR hot melt adhesive in the mold is quickly dried, cooled and formed, with high speed and efficiency. The overall structure is simple, the operation is convenient, and it is easy to use. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 is a schematic structural diagram of the present utility model;
[0016] Figure 2 is a cross-sectional view of the housing in the present utility model;
[0017] Figure 3 is a cross-sectional view of the flow guide member in the present utility model;
[0018] Figure 4 is a cross-sectional view of the placement frame in the present utility model.
[0019] In the figure: 1. Housing; 101. Limit block; 102. Flow guide member; 1021. Flow guide plate; 1022. Lapping plate; 103. Cold air machine; 104. End plate; 105. Air inlet filter cover; 2. Placement frame; 201. Frame body; 202. Limit perforation; 203. Slide groove; 204. Handle; 205. Pad; 206. Ball bracket; 3. Drying and forming mold. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0020] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.
[0021] Embodiment
[0022] As Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, an embodiment of the utility model proposes: a drying device for PUR hot melt adhesive, including a shell 1 and a placement frame 2, the placement frame 2 is slidably placed in the internal cavity of the shell 1, so as to facilitate smooth debugging of the position of the placement frame 2 in the shell 1, complete the placement or removal of the drying and forming mold 3, and use the placement frame 2 to stably place the drying and cooling mold 3 in the cavity of the shell 1 for drying and cooling molding. An air cooler 103 is embedded on the end plate 104 at one end of the shell 1, so as to facilitate blowing cold air into the shell 1 to cool the drying and forming mold 3, and a guide member 102 is placed on the side of the end plate 104 facing the internal cavity of the shell 1, and the guide member 102 is provided with guide plates 1021 distributed at equal intervals, and the guide plates 1021 are used to concentrate the cold air to and guide air so that cold air blows onto the drying and forming mold 3, thereby improving the efficiency of drying, cooling and forming. In addition, the slide grooves 203 opened on both sides of the frame 201 of the mounting frame 2 cooperate with the limit blocks 101 set on the side walls of the shell 1, so as to facilitate the smooth pulling and pulling of the mounting frame 2 on the shell 1, and adjust the position of the mounting frame 2 to ensure the smooth placement or removal of the drying and forming mold 3, thereby improving the convenience of use and operation. The ball bracket 206 set at the bottom of the frame 201 abuts against the inner wall of the shell 1, thereby reducing the friction resistance of the frame 201 sliding in the shell 1, so that the entire mounting frame 2 can slide smoothly in the shell 1 to adjust the position, and the drying and forming mold 3 is inserted in the limit through-hole 202 opened on the frame 201, so as to facilitate the smooth storage and removal of the drying and forming mold 3.
[0023] like Figure 2 and Figure 4 As shown, in some embodiments, a pad 205 is arranged on the frame 201, and the pad 205 is arranged in a one-to-one correspondence with the limiting perforation 202, so that it is convenient to pad the lower part of the drying and forming mold 3, improve the stability of the mold placement, and ensure stable use, and the frame 201 on both sides of the end away from the guide member 102 is integrally provided with a handle 204, which is convenient for directly holding it with hands during use, pulling and moving the entire placement frame 2 in the shell 1, and then placing the drying and forming mold 3 on the frame 201 or taking it down, and the frame 201 is slidably connected to the limiting block 101 through the slide grooves 203 on both sides, ensuring that the entire placement frame 2 slides stably and smoothly in the internal cavity of the shell 1 to complete the position debugging operation.
[0024] like Figure 2 and Figure 3As shown, in some embodiments, a cold air flow channel is formed between the guide plates 1021 on the guide member 102, and the cold air flow channel is narrow toward the air outlet formed at one end of the mounting frame 2 and the air inlet formed at the other end. The wide air inlet port and narrow air outlet port of the cold air flow channel are arranged to increase the air pressure and flow rate of the air outlet port, so that the cold air can be quickly blown onto the drying molding mold 3, thereby improving the efficiency of drying and cooling. In addition, each column of drying molding molds 3 arranged on the mounting frame 2 is correspondingly provided with an air outlet, which is convenient for evenly dispersing the cold air, so that each column of drying molding molds 3 can be effectively blown by the cold air, and quickly cooled and dried. In addition, the lap plates 1022 integrally arranged on both sides of the guide member 102 are overlapped on the baffles arranged on the inner walls of both sides of the shell 1, which is convenient for stably installing the guide member 102 in the shell 1, effectively guiding the cold air, and improving the utilization efficiency of the cold air.
[0025] The upper and lower parts of the guide member 102 are in contact with the inner wall of the outer shell 1, and a sealing pad is arranged between the guide member 102 and the inner wall of the outer shell 1 to ensure that the guide member 102 is stably installed in the outer shell 1 so that the two can be stably used together, thereby guiding the cold air blown into the outer shell 1 by the air cooler 103, so that the cold air is blown onto the drying molding mold 3 placed in the internal cavity of the outer shell 1, and cooling it quickly and effectively.
[0026] like Figure 1 and Figure 2 As shown, in some embodiments, the end plate 104 is embedded in the port at one end of the shell 1 and abuts against one end of the guide member 102, and the end plate 104 is stably installed on the shell 1 as a support frame for installing the air cooler 103, so that the air cooler 103 is stably installed at one end of the shell 1, and during operation, cold air is blown into the internal cavity of the shell 1, and the cold air is used to take away the heat on the drying and molding mold 3, so that the PUR hot melt adhesive in the mold is dried and cooled to form, and the end plate 104 is provided with an embedding slot for accommodating the air cooler 103, so that the air cooler 103 can be stably installed, thereby providing cold air during operation, and performing rapid and effective cooling and drying, and an air intake filter cover 105 is arranged on one side of the end plate 104 that is displaced from the outside of the shell 1, to filter the air entering the internal cavity of the shell 1 to prevent dust and other impurities from entering the shell 1.
[0027] Finally, it should be noted that the above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or perform equivalent replacements for some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.
Claims
1. A drying device for PUR hot melt adhesive, comprising a housing (1) and a mounting frame (2), characterized in that: The placement frame (2) is slidably placed in the internal cavity of the shell (1); a cooling fan (103) is embedded in the end plate (104) at one end of the shell (1); and a flow guide (102) is placed on the side of the end plate (104) facing the internal cavity of the shell (1); the flow guide (102) is provided with flow guide plates (1021) distributed at equal intervals, and the slide grooves (203) provided on both sides of the frame (201) of the placement frame (2) cooperate with the limit blocks (101) provided on the side walls of the shell (1); a ball support (206) provided at the bottom of the frame (201) abuts against the inner wall of the shell (1); and a drying molding mold (3) is inserted into the limit through hole (202) provided on the frame (201).
2. A drying device for PUR hot melt adhesive according to claim 1, characterized in that: The frame (201) is provided with a cushion block (205), the cushion block (205) and the limiting through hole (202) are arranged in one-to-one correspondence, and a handle (204) is integrally arranged at one end of the frame (201) away from the guide member (102), and the frame (201) is slidably connected to the limiting block (101) through the sliding grooves (203) on both sides.
3. A drying device for PUR hot melt adhesive according to claim 1, characterized in that: A cold air flow channel is formed between the guide plates (1021) on the guide member (102), the cold air flow channel is narrower towards the air outlet formed at one end of the mounting frame (2) and the air inlet formed at the other end, and each row of drying and forming molds (3) mounted on the mounting frame (2) is correspondingly provided with an air outlet, and the lap plates (1022) integrally provided on both sides of the guide member (102) are overlapped on the baffles provided on the inner walls on both sides of the outer shell (1).
4. A drying device for PUR hot melt adhesive according to claim 3, characterized in that: The upper part and the lower part of the flow guide (102) both abut against the inner wall of the outer shell (1), and a sealing pad is arranged between the flow guide (102) and the inner wall of the outer shell (1).
5. A drying device for PUR hot melt adhesive according to claim 1, characterized in that: The end plate (104) is embedded in a port at one end of the outer shell (1) and abuts against one end of the flow guide (102). The end plate (104) is provided with an embedding slot for accommodating the cooling fan (103). An air intake filter cover (105) is arranged on the side of the end plate (104) that is displaced from the outside of the outer shell (1).