Heating device for polyurethane plate production

Abstract

The utility model discloses a polyurethane plate production heating device which comprises a heating conveying frame, a plurality of conveying rollers are movably connected in the heating conveying frame through rotating shafts, the heating conveying frame is provided with a base frame at the bottoms of the conveying rollers, a U-shaped fixing frame and the base frame are both provided with heating bases, a first motor is fixedly installed at one end in the U-shaped fixing frame, and a second motor is fixedly installed at the other end in the U-shaped fixing frame. The output end of the first motor is movably connected with a movable block through a first screw rod, the bottom of the movable block is movably connected with a fixed rotating shaft through a bearing, and the fixed rotating shaft is fixedly provided with a rotating gear. And a rotating gear is meshed with a rack plate in the linear motion process to drive a heating base below a fixed rotating shaft to rotate, so that the heating base also rotates in the linear motion process, the heating base uniformly and stably heats the top of the polyurethane plate, and the heating effect is stable.

Description

TECHNICAL FIELD

[0001] The utility model relates to polyurethane board production technical field, especially polyurethane board production heating device. BACKGROUND

[0002] Polyurethane board is a kind of board made of polyurethane material, and is a kind of polyurethane sandwich panel made of PU or composed of PU and color steel plate. Among them, polyurethane (PUR) is a large class of polymers containing more urethane group characteristic structure on the molecular backbone, and is a kind of rigid foam plastic board made of polystyrene resin as raw material plus other raw and auxiliary materials and polymer, by heating mixing while injecting catalyst, then extruding and forming, has moisture-proof, waterproof performance, can reduce the thickness of building envelope structure, thereby increasing indoor usable area, because the thermal insulation performance of polyurethane material is strong, so in recent years it is also used as the material for making insulation board.

[0003] Polyurethane board needs to be heated in the process of production and processing, heating will make the glue between the multi-layer board more fit, but the existing heating device is heated on the top of polyurethane board by heating wire, and the heating of this fixed mode is not uniform and stable, which can make the heating temperature of polyurethane board near the heating wire high, and the heating temperature of polyurethane board far away from the heating wire low, and the heating is not uniform, therefore, the utility model provides a polyurethane board production heating device. UTILITY MODEL CONTENT

[0004] The purpose of the present application is to provide a kind of polyurethane board production heating device, to solve the problems raised in the background art.

[0005] To achieve the above object, the present application provides the following technical scheme: a kind of polyurethane board production heating device, including heating conveying frame, the heating conveying frame is movably connected with a plurality of conveying rollers in the shaft, the top of the heating conveying frame is fixedly installed with the U-shaped fixed frame for heating and drying the top of polyurethane board, the bottom of the conveying roller is provided with base frame in the heating conveying frame, the U-shaped fixed frame and the base frame are provided with heating seat;

[0006] The U-shaped fixed frame is provided with movable structure for driving the heating seat to move and rotate, movable structure includes fixed shaft for driving the heating seat to rotate, the first motor is fixedly installed at one end in the U-shaped fixed frame, the first motor output end is movably connected with movable block by first screw rod, the bottom of the movable block is movably connected with the fixed shaft by bearing, the fixed shaft is fixedly installed with the rotating gear, the bottom of the U-shaped fixed frame is fixedly installed with the rack plate movably engaged with the rotating gear.

[0007] Preferably, the movable structure further comprises a positioning rod for limiting the movement of the movable block, the positioning rod is fixedly installed on one side of the first screw rod in the U-shaped fixing frame, and the movable block is movably penetrated in the positioning rod.

[0008] Preferably, the bottom of the U-shaped fixing frame is provided with a movable groove matched with the size of the fixed rotating shaft, and the fixed rotating shaft is movably penetrated in the movable groove.

[0009] Preferably, the two ends of the heating conveying frame are fixedly provided with supporting plates, the supporting plates are fixedly provided with the base frame, one end of the inside of the base frame is fixedly provided with a second motor, the output end of the second motor is connected with a second screw rod, and the base block is threadedly penetrated on the second screw rod.

[0010] Preferably, the top of the base block is fixedly provided with a connecting plate, the connecting plate is movably penetrated in the limiting groove at the top of the base frame, and the top end of the connecting plate is fixedly provided with the heating seat.

[0011] Preferably, the bottom of the heating seat is uniformly provided with a plurality of holes, the inside of the heating seat is fixedly provided with a heating wire, and the inside of the heating seat is fixedly provided with a heating fan.

[0012] In summary, the technical effects and advantages of the present application are as follows:

[0013] 1. In the present application, the movable block on the first screw rod is converted from rotary motion to linear motion in the positioning rod, the movable block drives the fixed rotating shaft and the rotary gear to move linearly during the movement, and the rotary gear drives the heating seat below the fixed rotating shaft to rotate during the linear motion through the meshing with the rack plate, so that the heating seat also rotates during the linear motion, the top of the polyurethane plate is uniformly and stably heated by the heating seat, and the heating effect is stable.

[0014] 2. In the present application, the reciprocating linear motion is realized by the limiting of the connecting plate and the limiting groove, and the heating wire and the heating fan in the heating seat are driven by the connecting plate to linearly heat the bottom of the polyurethane plate during the reciprocating motion, so that the heating is stable and uniform. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced below. 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.

[0016] Figure 1It is a schematic perspective view of the overall structure of a heating device for polyurethane board production in an embodiment of the present application;

[0017] Figure 2 It is a schematic perspective view of the U-shaped fixing frame structure of a heating device for polyurethane board production in an embodiment of the present application;

[0018] Figure 3 It is a schematic perspective view of the base frame structure of a heating device for polyurethane board production in an embodiment of the present application;

[0019] Figure 4 It is a schematic perspective view of the movable block structure of a heating device for polyurethane board production in an embodiment of the present application;

[0020] Figure 5 It is a schematic perspective view of the rotating gear structure of a heating device for polyurethane board production in an embodiment of the present application;

[0021] Figure 6 It is a schematic perspective view of the heating seat structure of a heating device for polyurethane board production in an embodiment of the present application.

[0022] In the figure: 10, heating conveying frame; 11, conveying roller; 12, support plate; 20, U-shaped fixing frame; 21, fixed rotating shaft; 22, first motor; 23, first screw; 24, movable block; 25, rotating gear; 26, rack plate; 27, positioning rod; 28, movable groove; 30, base frame; 31, second motor; 32, second screw; 33, base block; 34, connecting plate; 35, limiting groove; 40, heating seat; 41, hole; 42, heating wire; 43, heating fan. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0024] Reference Figures 1-6 The heating device for polyurethane board production shown in the figure comprises a heating conveying frame 10, a plurality of conveying rollers 11 are movably connected in the heating conveying frame 10 through rotating shafts, a U-shaped fixing frame 20 is fixedly installed on the top of the heating conveying frame 10, a base frame 30 is arranged at the bottom of the conveying roller 11 of the heating conveying frame 10, and the U-shaped fixing frame 20 and the base frame 30 are both provided with a heating seat 40;

[0025] The U-shaped fixing frame 20 is provided with a movable structure for driving the heating seat 40 to move and rotate, which comprises a fixed rotating shaft 21 for driving the heating seat 40 to rotate, a first motor 22 fixedly installed at one end inside the U-shaped fixing frame 20, an active block 24 movably connected to the output end of the first motor 22 through a first screw rod 23, the fixed rotating shaft 21 movably connected to the bottom of the active block 24 through a bearing, a rotating gear 25 installed on the fixed rotating shaft 21, a rack plate 26 fixedly installed at the bottom of the U-shaped fixing frame 20 and movably engaged with the rotating gear 25, and the engagement between the rotating gear 25 and the rack plate 26 drives the heating seat 40 to rotate through the fixed rotating shaft 21.

[0026] The movable structure further comprises a positioning rod 27 for limiting the active block 24, the positioning rod 27 is fixedly installed on one side of the first screw rod 23 in the U-shaped fixing frame 20, and the active block 24 is movably penetrated in the positioning rod 27, so that the active block 24 is converted into linear motion during rotation, and the fixed rotating shaft 21 is driven to move linearly in the active groove 28 through the active block 24.

[0027] The bottom of the U-shaped fixing frame 20 is provided with an active groove 28 matching the size of the fixed rotating shaft 21, and the fixed rotating shaft 21 is movably penetrated in the active groove 28, and the fixed rotating shaft 21 drives the heating seat 40 to rotate through the engagement between the rotating gear 25 and the rack plate 26.

[0028] Referring to Figure 1 、 Figure 3 、 Figure 4 、 Figure 5 and Figure 6 , the two ends of the heating conveying frame 10 are fixedly installed with support plates 12, the support plates 12 are fixedly installed with a base frame 30, one end inside the base frame 30 is fixedly installed with a second motor 31, the output end of the second motor 31 is connected with a second screw rod 32, the second screw rod 32 is threadedly penetrated with a base block 33, and the heating frame at the top of the base frame 30 is driven to move linearly at the bottom of the heating conveying frame 10 through the linear motion of the base block 33.

[0029] The top of the base block 33 is fixedly installed with a connecting plate 34, the top of the connecting plate 34 is movably penetrated in a limiting groove 35 at the top of the base frame 30, the top end of the connecting plate 34 is fixedly installed with a heating seat 40, a plurality of holes 41 are uniformly provided at the bottom of the heating seat 40, a heating wire 42 is fixedly installed inside the heating seat 40, and a heating fan 43 is fixedly installed inside the heating seat 40, the hot air generated by the heating wire 42 is blown to the two sides of the polyurethane plate through the heating fan 43, and the polyurethane plate is completely heated.

[0030] The utility model discloses a polyurethane plate heating device, which comprises a base frame, a heating seat, a heating wire, a heating fan, a first motor, a first screw rod, a movable block, a fixed pivot, a rotating gear, a rack plate, a U-shaped fixing frame, a second motor, a second screw rod and a base block.

[0031] When the polyurethane plate enters into the U-shaped fixing frame 20, the first motor 22 in the U-shaped fixing frame 20 drives the first screw rod 23 to rotate, and the movable block 24 on the first screw rod 23 converts the rotary motion into linear motion in the positioning rod 27, and the movable block 24 drives the fixed pivot 21 and the rotating gear 25 to move linearly in the movement process, and the rotating gear 25 drives the heating seat 40 under the fixed pivot 21 to rotate through the meshing with the rack plate 26 in the linear motion process, so that the heating seat 40 also rotates in the linear motion process, and the heating seat 40 uniformly and stably heats the top of the polyurethane plate, and the heating effect is stable.

[0032] Finally, it should be pointed out that: the above-mentioned only for the preferred embodiment of the utility model has, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model, should be contained in the protection scope of the utility model.

Claims

1. A heating device for polyurethane slab production, comprising a heating conveyor frame (10), characterized in that, The heating conveying frame (10) is movably connected with a plurality of conveying rollers (11) through a rotating shaft, the top of the heating conveying frame (10) is fixedly installed with a U-shaped fixed frame (20) for heating and drying the top of the polyurethane plate, and the bottom of the heating conveying frame (10) is provided with a base frame (30), and the U-shaped fixed frame (20) and the base frame (30) are both provided with a heating seat (40). The U-shaped fixed frame (20) is provided with a movable structure for moving and rotating the heating seat (40), and the movable structure comprises a fixed rotating shaft (21) for rotating the heating seat (40), a first motor (22) fixedly installed at one end of the U-shaped fixed frame (20), an activity block (24) movably connected to the output end of the first motor (22) through a first screw rod (23), and the fixed rotating shaft (21) movably connected to the bottom of the activity block (24) through a bearing, and the fixed rotating shaft (21) is fixedly installed with a rotating gear (25), and the U-shaped fixed frame (20) is fixedly installed with a rack plate (26) movably engaged with the rotating gear (25).

2. A polyurethane slab production heating apparatus according to claim 1, characterized in that: The movable structure further comprises a positioning rod (27) for limiting the activity block (24), and the positioning rod (27) is fixedly installed on one side of the first screw rod (23) in the U-shaped fixed frame (20), and the activity block (24) is movably penetrated in the positioning rod (27).

3. A polyurethane board production heating device according to claim 1, characterized in that: The bottom of the U-shaped fixed frame (20) is provided with an activity groove (28) matching the size of the fixed rotating shaft (21), and the fixed rotating shaft (21) is movably penetrated in the activity groove (28).

4. A polyurethane slab production heating apparatus as claimed in claim 1, wherein: Both ends of the heating conveying frame (10) are fixedly installed with support plates (12), the support plates (12) are fixedly installed with the base frame (30), one end of the base frame (30) is fixedly installed with a second motor (31), the output end of the second motor (31) is connected with a second screw rod (32), and the second screw rod (32) is threadedly penetrated and connected with a base block (33).

5. A polyurethane board production heating device according to claim 4, characterized in that: The top of the base block (33) is fixedly installed with a connecting plate (34), the top of the connecting plate (34) is movably penetrated in the limiting groove (35) at the top of the base frame (30), and the top of the connecting plate (34) is fixedly installed with the heating seat (40).

6. A polyurethane board production heating device according to claim 1, characterized in that: The bottom of the heating seat (40) is uniformly provided with a plurality of holes (41), the heating seat (40) is fixedly installed with a heating wire (42) inside, and the heating seat (40) is fixedly installed with a heating fan (43) inside.

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