Foaming device for polyurethane thermal insulation pipe
By designing a polyurethane insulation pipe foaming device that includes a base plate, a driving structure, a fixing structure, and an injection structure, and by injecting foaming agent into the closed end of the insulation pipe using a rigid nozzle, the problem of uneven foaming in traditional devices is solved, and uniform foaming inside the insulation pipe is achieved.
Patent Information
- Application Number
- CN202423110634.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-17
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-12-17
AI Technical Summary
Traditional polyurethane insulation pipe foaming devices inject foaming agent into the pipe cavity from a single point, resulting in uneven foaming.
A polyurethane insulation pipe foaming device was designed, comprising a base plate, a driving structure, a fixing structure, and an injection structure. The driving structure drives the insulation pipe to move, and the rigid nozzle of the injection structure is inserted into the closed end of the insulation pipe to inject foaming agent. At the same time, the fixing structure fixes the insulation pipe to achieve uniform distribution of foaming agent.
This invention achieves uniform distribution of foaming agent inside the insulation pipe, solving the problem of uneven foaming in traditional devices.
Smart Images
Figure CN223573624U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to polyurethane foaming heat preservation pipe manufacturing technical field, specifically point to a kind of polyurethane heat preservation pipe foaming device. BACKGROUND
[0002] Polyurethane foaming heat preservation pipeline is with high-function polyether polyol combination material and multiple methyl polyphenyl polyisocyanate as raw material by chemical reaction foaming, generally in the cavity formed between steel pipe and outer sheath in production one-time injection rigid polyurethane foam plastic raw liquid, namely commonly known as "pipe-in-pipe foaming process".
[0003] Polyurethane heat preservation pipe foaming device in prior art generally injects polyurethane foaming agent from one opening point into cavity, but injection from one point can cause uneven foaming. UTILITY MODEL CONTENTS
[0004] The utility model to solve the problem is: traditional polyurethane heat preservation pipe foaming device from one point injects foaming agent into the cavity of pipeline and causes uneven foaming inside heat preservation pipe.
[0005] To solve the above technical problems, the utility model provides a kind of polyurethane heat preservation pipe foaming device, including bottom plate, drive structure, heat preservation pipe, fixed structure and injection structure, the drive structure is fixed on the upper side of bottom plate and drives heat preservation pipe movement, the heat preservation pipe is located on drive structure, the fixed structure is located on drive structure and fixes heat preservation pipe, and the injection structure is located on the side of drive structure and injects foaming agent.
[0006] Further, the drive structure includes vertical plate, screw rod, motor and mounting block, the vertical plate is fixed at the both ends of bottom plate, the screw rod is rotatably arranged on the two groups of vertical plates, the screw rod is driven by motor fixed on one end of vertical plate, and the lower end of mounting block is threadedly connected to the screw rod.
[0007] Further, horizontal slide bar fixed with its fixed end is fixed on the vertical plate, and the slide bar is respectively located on the two sides of screw rod and movably passes through mounting block.
[0008] Further, semicircular slot is formed in the upper part of mounting block.
[0009] Further, the fixed structure includes fixed plate, electric telescopic rod arranged transversely and clamping plate, the fixed plate is fixed on the upper side of mounting block and both ends, the non- telescopic end of electric telescopic rod is fixed on the side opposite to the two fixed plates, and the clamping plate is fixed on the telescopic end of electric telescopic rod and lower end and contacts on the upper side of mounting block.
[0010] Further, the injection structure comprises a mounting plate, a foaming injection gun and an injection pipe, the mounting plate is fixed at one end of the vertical plate, the foaming injection gun is arranged through the mounting plate, and the injection pipe is threadedly connected at one end of the foaming injection gun and is provided with hard spray pipes in a circumferential array at the other end.
[0011] The utility model discloses obtained beneficial effects as follows by adopting the above structure:
[0012] By inserting the hard spray pipe into the cavity of the heat preservation pipe and abutting against the closed end of the heat preservation pipe, the foaming injection gun is operated to emit the foaming agent, the motor is operated to move the mounting block to retreat the heat preservation pipe, and the cavity of the heat preservation pipe is uniformly distributed with the foaming agent to make the foaming uniform, thereby solving the problem that the traditional polyurethane heat preservation pipe foaming device injects the foaming agent from a point into the cavity of the pipe and causes uneven foaming in the heat preservation pipe. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 The utility model discloses an overall structure diagram of an embodiment Figure One ;
[0014] Figure 2 The utility model discloses an overall structure diagram of an embodiment Figure Two ;
[0015] Figure 3 The utility model discloses a sectional view of an embodiment Figure One ;
[0016] Figure 4 The utility model discloses a sectional view of an embodiment Figure Two ;
[0017] Figure 5 The utility model discloses a sectional view of an embodiment Figure Three .
[0018] Among them, 1, bottom plate, 2, drive structure, 3, heat preservation pipe, 4, fixed structure, 5, injection structure, 6, vertical plate, 7, screw rod, 8, motor, 9, mounting block, 10, slide rod, 11, slot, 12, fixed plate, 13, electric telescopic rod, 14, clamping plate, 15, mounting plate, 16, foaming injection gun, 17, injection pipe, 18, hard spray pipe.
[0019] The drawings are used to provide further understanding of the utility model and constitute a part of the specification, are used to explain the utility model together with the embodiments of the utility model, and do not constitute the limitation on the utility model. DETAILED DESCRIPTION
[0020] Clearly, the described embodiments are merely 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 the ordinary skilled in the art without making creative labor belong to the range of the utility model protection.
[0021] As Figures 1-5 The utility model provides a kind of polyurethane heat preservation pipe foaming device, including bottom plate 1, drive structure 2, heat preservation pipe 3, fixed structure 4 and injection structure 5, drive structure 2 is fixed on the upper side of bottom plate 1 and drives heat preservation pipe 3 movement, heat preservation pipe 3 is located on drive structure 2, fixed structure 4 is located on drive structure 2 and fixes heat preservation pipe 3, injection structure 5 is located on the side of drive structure 2 and injects blowing agent.
[0022] As shown in the description Figure 3 To make heat preservation pipe 3 be injected blowing agent one side and retreat one side, make blowing agent injection more uniform, drive structure 2 includes vertical plate 6, screw rod 7, motor 8 and mounting block 9, vertical plate 6 is fixed on the both ends of bottom plate 1, screw rod 7 both ends are rotatably arranged on two groups of vertical plate 6, screw rod 7 is driven by motor 8 fixed on one end of vertical plate 6, and mounting block 9 is screw-connected to screw rod 7 at lower end. To prevent mounting block 9 from tilting during movement, horizontal slide bar 10 is fixed on vertical plate 6, and the end thereof is fixed, slide bar 10 is respectively located on the both sides of screw rod 7, and slidably penetrates mounting block 9.
[0023] As shown in the description Figure 4 To place heat preservation pipe 3, semicircular slot 11 is formed in the upper portion of mounting block 9. To fix heat preservation pipe 3 and prevent it from moving when injecting, fixed structure 4 includes fixed plate 12, electric telescopic rod 13 arranged transversely and clamping plate 14, fixed plate 12 is fixed on the upper side of mounting block 9 at both ends, electric telescopic rod 13 is fixed on the side opposite to two fixed plates 12 at non- telescopic end, and clamping plate 14 is fixed on the telescopic end of electric telescopic rod 13 and contacts the upper side of mounting block 9 at lower end.
[0024] As shown in the description Figure 5As shown, in order to make the insulation tube 3 foaming more uniform, the injection structure 5 includes a mounting plate 15, a foaming injection gun 16 and an injection tube 17, the mounting plate 15 is fixed at one end of the vertical plate 6, the foaming injection gun 16 is arranged through the mounting plate 15, the injection tube 17 is threadedly connected at one end of the foaming injection gun 16 and has a plurality of hard spray pipes 18 arranged in an array at the other end. In use, the insulation tube 3 with one end closed is placed in the semicircular slot 11, the other end is arranged towards the injection structure 5, the electric telescopic rod 13 is operated to make the clamping plate 14 clamp and fix the insulation tube 3, the injection tube 17 is threadedly connected to the foaming injection gun 16, the motor 8 is operated to make the lead screw 7 rotate and drive the mounting block 9 to move on the lead screw 7, so that the hard spray pipe 18 is inserted into the cavity of the insulation tube 3 and abuts against the closed end of the insulation tube 3, the foaming injection gun 16 is operated to emit the foaming agent, the motor 8 is operated to move the mounting block 9 to retreat the insulation tube 3, so that the foaming agent is uniformly distributed in the cavity of the insulation tube 3 to make the foaming uniform.
[0025] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.
[0026] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made hereto without departing from the spirit and scope of the application in its broadest form. The scope of the present application should be limited only by the appended claims and their equivalents.
[0027] The above describes the present application and its embodiments, which are not restrictive, and the embodiments shown in the drawings are only one of the embodiments of the present application, and the actual structure is not limited thereto. In general, if a person skilled in the art is inspired by it, without departing from the creative purpose of the present application, without creative design, similar structure and embodiments of the technical solution can be designed, which should belong to the protection scope of the present application.
Claims
1. A polyurethane insulated pipe foaming apparatus characterized by: The utility model provides a kind of foaming injection device, including bottom plate (1), drive structure (2), heat preservation pipe (3), fixed structure (4) and injection structure (5), the drive structure (2) is fixed on the upside of bottom plate (1) and drives heat preservation pipe (3) movement, the heat preservation pipe (3) is located on drive structure (2), the fixed structure (4) is located on drive structure (2) and fixes heat preservation pipe (3), and the injection structure (5) is located on one side of drive structure (2) and injects foaming agent.
2. A polyurethane pipe insulation foaming apparatus as defined in claim 1, wherein: The drive structure (2) includes vertical plate (6), lead screw (7), motor (8) and mounting block (9), the vertical plate (6) is fixed on both ends of bottom plate (1), the lead screw (7) is rotatably provided on two groups of vertical plate (6), the lead screw (7) is driven by the motor (8) fixed on one end of vertical plate (6), and the mounting block (9) is threadedly connected to the lead screw (7) on the lower end.
3. A polyurethane foam tubing foaming apparatus according to claim 2, wherein: Horizontal slide bar (10) is fixed on the vertical plate (6), and the slide bar (10) is located on both sides of lead screw (7) and movably passes through mounting block (9).
4. A polyurethane foam tubing foaming apparatus according to claim 2, wherein: Semicircular slot (11) is formed in the upper part of mounting block (9).
5. A polyurethane foam tubing foaming apparatus according to claim 3, wherein: The fixed structure (4) includes fixed plate (12), transversely arranged electric telescopic rod (13) and clamping plate (14), the fixed plate (12) is fixed on the upper side of mounting block (9) at both ends, the non- telescopic end of electric telescopic rod (13) is fixed on the side opposite to the two fixed plates (12), and the clamping plate (14) is fixed on the telescopic end of electric telescopic rod (13) and contacts the upper side of mounting block (9) on the lower end.
6. A polyurethane foam tubing foaming apparatus according to claim 5, wherein: The injection structure (5) includes mounting plate (15), foaming injection gun (16) and injection pipe (17), the mounting plate (15) is fixed on one end of vertical plate (6), the foaming injection gun (16) is arranged through mounting plate (15), and the injection pipe (17) is threadedly connected to the foaming injection gun (16) on one end, and the other end has circumferentially arranged hard spray pipe (18).