Discharging device for pultrusion of polyurethane

Abstract

The utility model discloses a discharging device for pultrusion of polyurethane, relates to the technical field of structures of discharging devices, and aims to solve the problems that an existing discharging device is simple in structure, and the pultrusion efficiency of the polyurethane is low when the polyurethane is pultrusion. A transmission device box is installed above the supporting fixing frame, a motor is installed below the transmission device box, a supporting frame is installed on one side of the transmission device box, a discharging conveying pipe is installed above the supporting frame, and a heat preservation device is installed outside the discharging conveying pipe. A forming discharging base is arranged at one end of the discharging conveying pipe, a forming discharging pipe is installed in the forming discharging base, a supporting base is arranged on one side of the lower end of the forming discharging base, a mounting frame is arranged at the upper end of the supporting base, a supporting roller is installed in the mounting frame, and an air cylinder is installed above the mounting frame. A connecting frame is installed below the air cylinder, and an extrusion rotating roller is installed in the connecting frame.

Description

Technical Field

[0001] The utility model relates to the technical field of discharge device structures, in particular to a discharge device used for polyurethane pultrusion molding. Background Art

[0002] Polyurethane is a polymer material with excellent mechanical properties formed by the condensation reaction of polyols and polyisocyanates. It has strong plasticity and is widely used. Polyurethane has a thermoplastic linear structure, better stability, chemical resistance, resilience and mechanical properties, and good heat insulation, sound insulation, shock resistance and anti-toxic properties. Therefore, the scope of use of polyurethane is very wide.

[0003] After searching, the authorization announcement number CN219028278U discloses a polyurethane injection molding device, which relates to the technical field of foaming equipment, and includes a box body, the box body is fixedly connected with an injection molding gun head, the injection molding gun head is provided with a discharge pipe, the box body is movably connected with a discharge hose adapted to the discharge pipe, the end of the discharge hose away from the injection molding gun head is provided with a negative pressure exhaust fan, a discharge barrel is provided in the box body, the part of the discharge hose located in the box body extends to the top of the discharge barrel, the part of the discharge hose close to the discharge barrel is set as a discharge part, the discharge part is slidably connected with a baffle, and the baffle extends to the outside of the box body. Reduce the occurrence of blockage of the injection molding gun head, thereby improving the convenience of use.

[0004] However, the existing discharge device has a simple structure, which makes the efficiency of polyurethane pultrusion low during polyurethane pultrusion. Therefore, there is an urgent need for a discharge device for polyurethane pultrusion to solve these problems. Utility Model Content

[0005] The utility model aims to provide a discharge device for polyurethane pultrusion molding, so as to solve the problem that the existing discharge device proposed in the above background technology has a simple structure and low efficiency in polyurethane pultrusion molding.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a discharging device for polyurethane pultrusion molding, comprising a supporting and fixing frame, a transmission device box is installed above the supporting and fixing frame, a motor is installed below the transmission device box, a supporting frame is installed on one side of the transmission device box, a discharging conveying pipe is installed above the supporting frame, a heat preservation device is installed outside the discharging conveying pipe, a control device is installed on one side of the discharging conveying pipe, a molding discharging seat is provided at one end of the discharging conveying pipe, a molding discharging pipe is installed inside the molding discharging seat, a supporting seat is provided at one side of the lower end of the molding discharging seat, a mounting frame is provided at the upper end of the supporting frame, a supporting roller is installed inside the mounting frame, a cylinder is installed above the mounting frame, a connecting frame is installed below the cylinder, and an extrusion roller is installed inside the connecting frame.

[0007] Preferably, the support frame is fixedly connected to the transmission device box by a fixing bolt, a fixing foot is provided at the lower end of the support frame, and the fixing foot is fixedly connected to the support frame by a fixing screw.

[0008] Preferably, a mounting seat is provided at one end of the discharge conveying pipe, and the mounting seat is fixedly connected to the transmission device box by a fixing bolt. A storage hopper is installed above the discharge conveying pipe, and a mounting foot is provided at the lower end of the storage hopper, and the mounting foot is fixedly connected to the discharge conveying pipe by a mounting screw.

[0009] Preferably, four insulation devices are provided, and the four insulation devices are distributed in sequence outside the discharge conveying pipe. A connecting seat is provided at the lower end of the insulation device, a connecting pipe is installed below the connecting seat, a fan is installed at one end of the connecting pipe, a conveying pipe is installed at one end of the fan, and a high-temperature steam generator is installed at one end of the conveying pipe.

[0010] Preferably, six molding discharge pipes are provided, and the six molding discharge pipes are distributed in sequence inside the molding discharge seat, and a cooling pipe is installed on one side of the molding discharge seat.

[0011] Preferably, the mounting frame is welded to the support seat, and a rotating motor corresponding to the support roller is installed on one side of the outer wall of the mounting frame.

[0012] Preferably, a mounting plate is provided at one end of the outer wall of the cylinder, and the mounting plate and the mounting frame are fixedly connected by fixing screws. A telescopic rod is provided at the lower end of the cylinder, and a fixing plate is provided at the lower end of the telescopic rod, and the fixing plate and the connecting frame are fixedly connected by mounting screws.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. This discharge device for polyurethane pultrusion molding, when the molten material enters the interior of the molding discharge seat, multiple extrusions can be conveniently performed through the installed six molding discharge pipes, and the extruded material can be conveniently cooled and molded through the cooling pipeline, and then one end of the extruded hose is located at the upper end of the support roller, and then the cylinder is turned on to make the telescopic rod push the connecting frame to move, and the connecting frame drives the extrusion roller to move, and the material is extruded by the extrusion roller and the support roller, and then the rotating motor is turned on to make the extrusion roller rotate, which can drive the molded hose to discharge and transport, thereby improving the discharge effect.

[0015] 2. This type of discharge device used for polyurethane pultrusion molding transports materials by turning on the motor to enable the internal components of the conveying pipe to transport the materials, and by turning on the high-temperature steam generator, the high-temperature steam generated by the high-temperature steam generator is transported through the fan, so that the high-temperature steam can enter the interior of the insulation device from the connecting pipe, thereby heating the materials and avoiding cooling of the materials during the transportation process, thereby affecting the transportation effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is the overall front view of the utility model;

[0017] Figure 2 It is an overall side view of the utility model;

[0018] Figure 3 This is a front cross-sectional view of the mounting frame of the utility model;

[0019] Figure 4 For the utility model Figure 1 A partial enlarged view of area A.

[0020] In the figure: 1. support and fixing frame; 2. transmission device box; 3. motor; 4. support frame; 401. fixing foot; 5. fixing bolt 1; 6. fixing screw; 7. discharge conveying pipe; 701. mounting seat; 8. fixing bolt 2; 9. storage hopper; 901. mounting foot; 10. mounting screw; 11. insulation device; 1101. connecting seat; 12. connecting pipe; 13. fan; 14. conveying pipe; 15. high-temperature steam generator; 16. control device; 17. forming discharge seat; 1701. support seat; 18. cooling pipe; 19. forming discharge pipe; 20. mounting frame; 21. support roller; 22. rotating motor; 23. cylinder; 2301. mounting plate; 2302. telescopic rod; 2303. fixing plate; 24. fixing screw; 25. connecting frame; 26. extrusion roller; 27. mounting screw. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0022] See also Figure 1-4 The utility model provides an embodiment: a discharge device for polyurethane pultrusion molding, comprising a supporting and fixing frame 1, a transmission device box 2 is installed above the supporting and fixing frame 1, a motor 3 is installed below the transmission device box 2, a supporting frame 4 is installed on one side of the transmission device box 2, a discharge conveying pipe 7 is installed above the supporting frame 4, a heat preservation device 11 is installed outside the discharge conveying pipe 7, a control device 16 is installed on one side of the discharge conveying pipe 7, a molding discharge seat 17 is arranged at one end of the discharge conveying pipe 7, and a molding discharge seat 17 is arranged inside A molding discharge pipe 19 is provided, a support seat 1701 is provided on one side of the lower end of the molding discharge seat 17, a mounting frame 20 is provided on the upper end of the support seat 1701, a support roller 21 is installed inside the mounting frame 20, a cylinder 23 is installed above the mounting frame 20, a connecting frame 25 is installed below the cylinder 23, and an extrusion roller 26 is installed inside the connecting frame 25. It should be noted that in order to save space and highlight the innovative elements of this patent, such as the specific processing process of polyurethane and the specific working principle of the device operation, will not be repeated in this patent.

[0023] When in use, the molten polyurethane is heated inside the storage hopper 9 and then enters the discharge conveying pipe 7. The internal components of the discharge conveying pipe 7 are turned on by the motor 3 to convey the material. When the molten material enters the interior of the molding discharge seat 17, multiple extrusions can be conveniently carried out through the installed six molding discharge pipes 19, and the extruded material can be conveniently cooled and formed through the cooling pipe 18. Then, one end of the extruded hose is located at the upper end of the support roller 21, and then the cylinder 23 is turned on to make the telescopic rod 2302 push the connecting frame 25 to move, and the connecting frame 25 drives the extrusion roller 26 to move, and the material is extruded by the extrusion roller 26 and the support roller 21, and then the rotating motor 22 is turned on to make the extrusion roller 26 rotate, which can drive the molded hose to discharge and convey, thereby improving the discharge effect.

[0024] See also Figure 1 and Figure 4 The support frame 4 is fixedly connected to the transmission device box 2 by a fixing bolt 5, and a fixing foot 401 is provided at the lower end of the support frame 4. The fixing foot 401 and the support fixing frame 1 are fixedly connected by a fixing screw 6, so that the support frame 4 and the transmission device box 2 can be conveniently installed and fixed, and the fixing foot 401 and the support fixing frame 1 can be conveniently installed and fixed. The installed support frame 4 can conveniently support one end of the discharge conveying pipe 7.

[0025] See also Figure 1 and Figure 4 A mounting seat 701 is provided at one end of the discharge conveying pipe 7, and the mounting seat 701 is fixedly connected to the transmission device box 2 by a fixing bolt 8. A storage hopper 9 is installed above the discharge conveying pipe 7, and a mounting foot 901 is provided at the lower end of the storage hopper 9. The mounting foot 901 and the discharge conveying pipe 7 are fixedly connected by a mounting screw 10, so that the discharge conveying pipe 7 and the transmission device box 2 can be conveniently installed and fixed, and the storage hopper 9 and the discharge conveying pipe 7 can be conveniently installed and fixed.

[0026] See also Figure 1 and Figure 2 Four heat preservation devices 11 are provided, and the four heat preservation devices 11 are sequentially distributed outside the discharge conveying pipe 7. A connecting seat 1101 is provided at the lower end of the heat preservation device 11, and a connecting pipe 12 is installed below the connecting seat 1101. A fan 13 is installed at one end of the connecting pipe 12, and a conveying pipe 14 is installed at one end of the fan 13. A high-temperature steam generator 15 is installed at one end of the conveying pipe 14. Through this arrangement, the polyurethane material in the discharge and conveying process can be conveniently insulated.

[0027] See also Figure 1 There are six molding discharge pipes 19, which are distributed in sequence inside the molding discharge seat 17. A cooling pipe 18 is installed on one side of the molding discharge seat 17. This arrangement can facilitate multiple extrusions to be carried out simultaneously, and the cooling pipe 18 can facilitate and quickly cool the material for molding.

[0028] See also Figure 1 and Figure 3 The mounting frame 20 is welded to the support seat 1701, and a rotating motor 22 corresponding to the supporting roller 21 is installed on one side of the outer wall of the mounting frame 20. The supporting roller 21 can be rotated by turning on the rotating motor 22, so that the extruded objects can be discharged and transported conveniently.

[0029] See also Figure 1 and Figure 3 A mounting plate 2301 is provided at one end of the outer wall of the cylinder 23, and the mounting plate 2301 is fixedly connected to the mounting frame 20 by a fixing screw 24. A telescopic rod 2302 is provided at the lower end of the cylinder 23, and a fixing plate 2303 is provided at the lower end of the telescopic rod 2302. The fixing plate 2303 and the connecting frame 25 are fixedly connected by mounting screws 27. By opening the cylinder 23, the telescopic rod 2302 pushes the connecting frame 25 to move, and the squeezing roller 26 is driven to move by the connecting frame 25, and the material is squeezed by the squeezing roller 26 and the supporting roller 21, which can make the material transportation more convenient.

[0030] Working principle: When in use, the molten polyurethane is heated inside the storage hopper 9, and then enters the discharge conveying pipe 7. By turning on the motor 3, the internal components of the discharge conveying pipe 7 convey the material. By turning on the high-temperature steam generator 15, the high-temperature steam generated by the high-temperature steam generator 15 is conveyed through the fan 13, so that the high-temperature steam can enter the interior of the insulation device 11 from the connecting pipe 12, so that the material can be heated to avoid cooling of the material during the conveying process, thereby affecting the conveying effect. When the molten material enters the interior of the molding discharge seat 17, through The six installed molding discharge pipes 19 can facilitate multiple extrusions. The extruded materials can be easily cooled and molded through the cooling pipe 18, and then one end of the extruded hose is located at the upper end of the support roller 21. Then, by opening the cylinder 23, the telescopic rod 2302 pushes the connecting frame 25 to move, and the connecting frame 25 drives the extrusion roller 26 to move. The material is extruded by the extrusion roller 26 and the support roller 21, and then the rotating motor 22 is turned on to rotate the extrusion roller 26, which can drive the molded hose to discharge and transport, thereby improving the discharge effect.

[0031] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A discharge device for polyurethane pultrusion, comprising a support frame (1), characterized in that: A transmission device box (2) is installed above the support fixing frame (1), a motor (3) is installed below the transmission device box (2), a support frame (4) is installed on one side of the transmission device box (2), a discharge conveying pipe (7) is installed above the support frame (4), a heat preservation device (11) is installed outside the discharge conveying pipe (7), a control device (16) is installed on one side of the discharge conveying pipe (7), and a molding discharge seat (17) is provided at one end of the discharge conveying pipe (7). A molding discharge pipe (19) is installed inside the molding discharge seat (17), a support seat (1701) is provided on one side of the lower end of the molding discharge seat (17), a mounting frame (20) is provided on the upper end of the support seat (1701), a support roller (21) is installed inside the mounting frame (20), a cylinder (23) is installed above the mounting frame (20), a connecting frame (25) is installed below the cylinder (23), and an extrusion roller (26) is installed inside the connecting frame (25).

2. A discharge device for polyurethane pultrusion according to claim 1, characterized in that: The support frame (4) is fixedly connected to the transmission device box (2) via a fixing bolt (5); a fixing foot (401) is provided at the lower end of the support frame (4); and the fixing foot (401) is fixedly connected to the support fixing frame (1) via a fixing screw (6).

3. A discharge device for polyurethane pultrusion according to claim 2, characterized in that: A mounting seat (701) is provided at one end of the discharge conveying pipe (7), and the mounting seat (701) is fixedly connected to the transmission device box (2) by means of a second fixing bolt (8). A storage hopper (9) is installed above the discharge conveying pipe (7), and a mounting foot (901) is provided at the lower end of the storage hopper (9), and the mounting foot (901) is fixedly connected to the discharge conveying pipe (7) by means of a mounting screw (10).

4. A discharge device for polyurethane pultrusion according to claim 3, characterized in that: Four heat-insulating devices (11) are provided, and the four heat-insulating devices (11) are sequentially distributed outside the discharge conveying pipe (7); a connecting seat (1101) is provided at the lower end of the heat-insulating device (11); a connecting pipe (12) is installed below the connecting seat (1101); a fan (13) is installed at one end of the connecting pipe (12); a conveying pipe (14) is installed at one end of the fan (13); and a high-temperature steam generator (15) is installed at one end of the conveying pipe (14).

5. A discharge device for polyurethane pultrusion according to claim 4, characterized in that: Six molding discharge pipes (19) are provided, and the six molding discharge pipes (19) are sequentially distributed inside the molding discharge seat (17). A cooling pipe (18) is installed on one side of the molding discharge seat (17).

6. A discharge device for polyurethane pultrusion according to claim 5, characterized in that: The mounting frame (20) is welded to the support seat (1701), and a rotating motor (22) corresponding to the support roller (21) is installed on one side of the outer wall of the mounting frame (20).

7. A discharge device for polyurethane pultrusion according to claim 6, characterized in that: A mounting plate (2301) is provided at one end of the outer wall of the cylinder (23), and the mounting plate (2301) is fixedly connected to the mounting frame (20) via a fixing screw (24). A telescopic rod (2302) is provided at the lower end of the cylinder (23), and a fixing plate (2303) is provided at the lower end of the telescopic rod (2302), and the fixing plate (2303) is fixedly connected to the connecting frame (25) via a mounting screw (27).

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