Water circulation cooling device for cooling box of pultrusion die
By designing the water circulation cooling device of the pultrusion die cooling box, the problem of excessively fast cooling of the profile caused by full-segment water cooling is solved, and uniform cooling of the pultrusion pipe is achieved, and the extrusion speed and finished product quality are improved.
Patent Information
- Application Number
- CN202422446710.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-10
- Publication Date
- 2025-08-22
- Estimated Expiration
- 2034-10-10
AI Technical Summary
In the prior art, the full-segment water cooling method at the end of the pultrusion head causes the profile to cool too quickly, resulting in advance forming in the pultrusion pipe, affecting the extrusion speed and finished product quality.
A water circulation cooling device for pultrusion die cooling box is designed, including a shell, bottom cover, pultrusion pipe, butt fixing assembly and circulation cooling assembly. Through the combined structure of the main pipe, cross pipe, partition, wrapping sleeve and circulation pipe, the continuous flow of coolant is achieved, avoiding full-segment cooling, and ensuring uniform cooling of the profile.
It realizes efficient cooling of pultruded pipes, avoids early molding of profiles, and improves extrusion speed and finished product quality.
Smart Images
Figure CN223252387U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of profile processing equipment, in particular to a water circulation cooling device for a pultrusion die cooling box. Background Art
[0002] Polyurethane pultruded profiles cannot use the same dipping tank as FRP pultruded profiles. The polyurethane resin is connected to the pultrusion pipe through a sealed container and pipe, and the pultrusion pipe is pressurized and sealed with glue by a glue injection pump. This causes the polyurethane pultrusion mold to be longer than the FRP pultrusion mold. It is easy to have a problem. The polyurethane pultrusion process requires heating the mold, and the metal mold has good heat conduction, and the glue injection section also heats up. This can easily cause the material to solidify, so the glue injection section also needs cooling equipment to cool it down.
[0003] In the prior art, the end of the pultrusion head is a cooling device, which uses a full-section water cooling method for cooling. The cooling water will completely cover the pultrusion pipe, which can easily cause the profile to cool too quickly and form prematurely in the pultrusion pipe, affecting the extrusion speed and the quality of the finished product.
[0004] Therefore, improvements are made to address the above problems. Utility Model Content
[0005] The utility model proposes a water circulation cooling device for a pultrusion die cooling box, which solves the problem in the prior art of the related art that the end of the pultrusion head is a cooling device, and the cooling device adopts a full-section water cooling method for cooling. The cooling water will completely cover the pultrusion pipeline, which can easily cause the profile to cool too quickly and form prematurely in the pultrusion pipeline, thereby affecting the extrusion speed and the quality of the finished product.
[0006] The technical solution of the utility model is as follows:
[0007] An outer shell, a bottom cover, and a pultruded pipe, wherein the bottom cover is mounted on the bottom of the outer shell, and the pultruded pipe is arranged in the outer shell;
[0008] a docking and fixing assembly, the docking and fixing assembly being arranged between the housing and the bottom cover;
[0009] A circulating cooling component is arranged inside the shell, and the circulating cooling component includes a pair of main pipes, both of which are connected to the two ends of the top of the shell, and a cross pipe is provided at the lower end of the main pipe. A pair of partitions are provided in the shell, and a cavity is opened in the partition.
[0010] As a further technical solution, a plurality of flow holes are opened on the surface of the partition, and the flow holes are all connected to the cavity. A plurality of connecting pipes are connected between the transverse tube and the partition, and the connecting pipes are connected to the cavity.
[0011] As a further technical solution, a pair of wrapping sleeves are connected to the pultruded pipe, and a plurality of long holes are opened on the surface of the wrapping sleeves. A circulation pipe is connected in the wrapping sleeves, and both ends of the circulation pipe are connected to the main pipe with a diversion pipe.
[0012] As a further technical solution, the docking and fixing assembly includes a bottom groove, which is opened around the lower end surface of the shell, the surface of the bottom cover is provided with convex strips, and the two opposite end surfaces of the bottom cover are both provided with sleeve frames.
[0013] As a further technical solution, the bottom cover is sleeved on the bottom of the shell through the sleeve, the convex strip is inserted into the bottom groove, and connecting strips are provided on both side surfaces of the outer shell. The connecting strips and the sleeve are connected to each other through threaded fittings with several fixing bolts.
[0014] As a further technical solution, the middle portion of the upper surface of the shell and the bottom surface of the bottom cover are both arc-shaped raised transition structures.
[0015] As a further technical solution, the circulation pipe is spirally wound inside the sleeve.
[0016] As a further technical solution, the wrapping sleeve adopts a material structure with temperature conduction effect.
[0017] As a further technical solution, the cross-sections of the bottom groove and the convex strip are triangular structures.
[0018] The working principle and beneficial effects of the utility model are as follows:
[0019] 1. The utility model is provided with a circulating cooling component. Through the interaction of the main pipeline, the cross pipeline, the cavity, the connecting pipe, the wrapping sleeve and the circulating pipeline, the cooling liquid can continuously flow inside the shell, and the wrapping sleeve and the pultruded pipeline can be cooled at the same time. The continuous flow of cooling liquid in the circulating pipeline with a spiral structure can maintain the low temperature state of the wrapping sleeve, and have an efficient cooling effect on the pultruded pipeline.
[0020] 2. The utility model is provided with a docking fixing assembly. Through the interaction of the bottom groove, the convex sleeve and the connecting strip, the bottom cover is a detachable structure, which is convenient for opening and cleaning the interior, avoiding scale on the surface of the circulation pipe that reduces the cooling effect and facilitates maintenance. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] The present invention will be further described in detail below with reference to the accompanying drawings and specific implementation methods.
[0022] Figure 1 This is a schematic diagram of the structure of the utility model;
[0023] Figure 2 This is the axonometric drawing of the utility model;
[0024] Figure 3 This is an axonometric drawing from another perspective of the present invention;
[0025] Figure 4 This is an axonometric sectional view of the utility model;
[0026] In the figure: 1. Shell; 2. Bottom cover; 3. Pultruded pipe; 4. Circulating cooling assembly; 4-1. Main pipe; 4-2. Horizontal pipe; 4-3. Partition; 4-4. Cavity; 4-5. Flow hole; 4-6. Connecting pipe; 4-7. Wrapping sleeve; 4-8. Long hole; 4-9. Circulating pipe; 4-10. Diverter pipe; 5. Docking and fixing assembly; 5-1. Bottom groove; 5-2. Raised strip; 5-3. Sleeve frame; 5-4. Connecting strip; 5-5. Fixing bolt. DETAILED DESCRIPTION
[0027] The following will be combined with the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0028] like Figures 1 to 4 As shown, this embodiment proposes a pultrusion die cooling box water circulation cooling device, including
[0029] The shell 1, the bottom cover 2 and the pultruded pipe 3, the bottom cover 2 is installed at the bottom of the shell 1, and the pultruded pipe 3 is arranged in the shell 1;
[0030] A docking and fixing assembly 5 is provided between the housing 1 and the bottom cover 2;
[0031] The circulating cooling component 4 is arranged inside the shell 1. The circulating cooling component 4 includes a pair of main pipes 4-1. The main pipes 4-1 are connected to both ends of the top of the shell 1. A cross pipe 4-2 is provided at the lower end of the main pipe 4-1. A pair of partitions 4-3 are provided in the shell 1. A cavity 4-4 is opened in the partition 4-3. A plurality of flow holes 4-5 are opened on the surface of the partition 4-3. The flow holes 4-5 are connected with the cavity 4-4. A plurality of connecting pipes 4-6 are connected between the cross pipe 4-2 and the partition 4-3. The connecting pipe 4-6 is connected with the cavity 4-4. A pair of wrapping sleeves 4-7 are connected to the pultruded pipe 3. A plurality of long holes 4-8 are opened on the surface of the wrapping sleeve 4-7. A circulating pipe 4-9 is connected in the wrapping sleeve 4-7. Both ends of the circulating pipe 4-9 are connected to the main pipe 4-1 with a diversion pipe 4-10.
[0032] In this embodiment, in order to achieve the effect of rapid and uniform cooling of the pultruded pipe 3, a circulating cooling component 4 is designed. Main pipes 4-1 are installed on both sides of the top of the shell 1, and the lower end is connected to a cross pipe 4-2. The length of the cross pipe 4-2 is the same as the size inside the shell 1, and two partitions 4-3 are provided inside the shell 1. The partition 4-3 is provided with a cavity 4-4 and a flow hole 4-5. A plurality of connecting pipes 4-6 are connected between the cross pipe 4-2 and the partition 4-3. The main pipes 4-1 on both sides are connected in one inlet and one outlet, so that the cooling liquid It continues to flow outside the pultrusion pipe 3. Two wrapping sleeves 4-7 are installed on the surface of the pultrusion pipe 3. Long holes 4-8 are opened on the surface of the wrapping sleeve 4-7 for the cooling liquid to enter and directly contact the pultrusion pipe 3. A circulation pipe 4-9 is wrapped around the wrapping sleeve 4-7. Diversion pipes 4-10 are set at both ends of the circulation pipe 4-9 and are respectively connected to the two main pipes 4-1, so that the cooling liquid circulates continuously in the circulation pipe 4-9 to cool the wrapping sleeve 4-7, and the wrapping sleeve 4-7 is then transferred to the pultrusion pipe 3.
[0033] Furthermore, the docking and fixing assembly 5 includes a bottom groove 5-1, which is opened around the lower end surface of the shell 1. A convex strip 5-2 is provided on the surface of the bottom cover 2. A sleeve 5-3 is provided on the opposite end surfaces of the bottom cover 2. The bottom cover 2 is mounted on the bottom of the shell 1 through the sleeve 5-3. The convex strip 5-2 is inserted and connected in the bottom groove 5-1. Connecting strips 5-4 are provided on both side surfaces of the outer shell 1. A number of fixing bolts 5-5 are connected between the connecting strip 5-4 and the sleeve 5-3 through threaded cooperation.
[0034] In this embodiment, in order to achieve the effect of sealing and closing the bottom cover 2, a docking and fixing component 5 is designed. A bottom groove 5-1 is opened on the lower end surface of the shell 1, and a convex strip 5-2 is provided on the surface of the bottom cover 2. When the bottom cover 2 is closed, it can be inserted into the bottom groove 5-1 through the convex strip 5-2. A sleeve frame 5-3 is provided on both sides of the outer side of the bottom cover 2. The sleeve frame 5-3 can be installed on both sides of the shell 1 and the outer side surfaces of the shell 1.
[0035] Furthermore, the middle portion of the upper surface of the housing 1 and the bottom surface of the bottom cover 2 are both arc-shaped convex transition structures.
[0036] In this embodiment, the arc-shaped raised transition makes room for the top and bottom of the circulation pipe 4-9, thereby ensuring the flow effect.
[0037] Furthermore, the circulation pipe 4-9 is spirally wound inside the sleeve frame 5-3.
[0038] In this embodiment, the spiral structure can increase the length of the circulation pipe 4-9 and improve the cooling effect on the sleeve frame 5-3.
[0039] Furthermore, the wrapping sleeves 4-7 are made of a material structure with a temperature conducting effect.
[0040] In this embodiment, the cooling speed of the sleeve 5 - 3 is changed by the effect of temperature conduction, which has a better cooling effect on the pultruded pipe 3 .
[0041] Furthermore, the cross-sections of the bottom groove 5-1 and the convex strip 5-2 are triangular structures.
[0042] In this embodiment, the triangular structure provides a better contact and sealing effect between the protruding strip 5 - 2 and the bottom groove 5 - 1 .
[0043] When needed, the pultruded pipe 3 is inserted between the sleeves 5-3 in the outer shell 1, the bottom cover 2 is docked with the convex strip 5-2 through the bottom groove 5-1, the fixing bolt 5-5 is inserted into the connecting strip 5-4 and screwed into the sleeve 5-3, and the main pipe 4-1 is connected to the inlet and outlet ends of the circulating cooling equipment respectively. The coolant flows into the cavity 4-4 through the cross pipe 4-2, covers the wrapping sleeve 4-7, the circulating pipe 4-9 and the long hole 4-8, and then flows back from the cavity 4-4 and the main pipe 4-1 on the other side. At the same time, the diversion pipe 4-10 directs part of the coolant to the circulating pipe 4-9, further cooling the wrapping sleeve 4-7, so that the wrapping sleeve 4-7 can quickly cool the pultruded pipe 3.
[0044] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.
Claims
1. A pultrusion die cooling box water circulation cooling device, characterized in that: include An outer shell (1), a bottom cover (2) and a pultruded pipe (3), wherein the bottom cover (2) is mounted on the bottom of the outer shell (1), and the pultruded pipe (3) is arranged inside the outer shell (1); a docking fixing assembly (5), the docking fixing assembly (5) being arranged between the housing (1) and the bottom cover (2); A circulating cooling component (4) is arranged inside the shell (1), and the circulating cooling component (4) includes a pair of main pipes (4-1), the main pipes (4-1) are connected to the two ends of the top of the shell (1), a cross pipe (4-2) is provided at the lower end of the main pipe (4-1), and a pair of partitions (4-3) are provided in the shell (1), and a cavity (4-4) is opened in the partition (4-3).
2. A pultrusion die cooling box water circulation cooling device according to claim 1, characterized in that: A plurality of circulation holes (4-5) are provided on the surface of the partition (4-3), and the circulation holes (4-5) are all connected to the cavity (4-4). A plurality of connecting pipes (4-6) are connected between the transverse pipe (4-2) and the partition (4-3), and the connecting pipes (4-6) are connected to the cavity (4-4).
3. A pultrusion die cooling box water circulation cooling device according to claim 2, characterized in that: A pair of wrapping sleeves (4-7) are sleeved and connected to the pultruded pipe (3), a plurality of long holes (4-8) are provided on the surface of the wrapping sleeves (4-7), a circulation pipe (4-9) is connected in the wrapping sleeves (4-7), and both ends of the circulation pipe (4-9) are connected to the main pipe (4-1) with a diversion pipe (4-10).
4. A pultrusion die cooling box water circulation cooling device according to claim 3, characterized in that: The docking fixing assembly (5) comprises a bottom groove (5-1) which is provided around the lower end surface of the shell (1); a convex strip (5-2) is provided on the surface of the bottom cover (2); and sleeve frames (5-3) are provided on opposite end surfaces of the bottom cover (2).
5. A pultrusion die cooling box water circulation cooling device according to claim 4, characterized in that: The bottom cover (2) is sleeved on the bottom of the housing (1) through the sleeve (5-3); the convex strip (5-2) is plugged into the bottom groove (5-1); connecting strips (5-4) are provided on both sides of the outer surface of the housing (1); and a plurality of fixing bolts (5-5) are connected between the connecting strip (5-4) and the sleeve (5-3) through threaded engagement.
6. The pultrusion die cooling box water circulation cooling device according to claim 1, characterized in that: The upper surface of the shell (1) and the middle portion of the bottom surface of the bottom cover (2) are both arc-shaped convex transition structures.
7. The water circulation cooling device for a pultrusion die cooling box according to claim 4, characterized in that: The circulation pipe (4-9) is spirally wound inside the sleeve frame (5-3).
8. The water circulation cooling device for a pultrusion die cooling box according to claim 3, characterized in that: The wrapping sleeve (4-7) is made of a material structure with a temperature conduction effect.
9. The pultrusion die cooling box water circulation cooling device according to claim 4, characterized in that: The cross sections of the bottom groove (5-1) and the convex strip (5-2) are triangular structures.