Feeding device for polyester polyol production

Abstract

The utility model discloses a feeding device for polyester polyol production, which comprises a support frame and a plurality of feeding pipelines arranged in the support frame, one end of each feeding pipeline positioned in the support frame is fixedly connected with a circulation pipeline, the circulation pipeline is connected with the support frame in an inserted manner and extends out of the support frame, and the support frame is fixedly connected with the circulation pipeline. A reaction barrel is fixedly connected to the end, away from the supporting frame, of the circulation pipeline, a closing switch is rotationally arranged on one side of the feeding pipeline, rotating supporting blocks are rotationally connected to the two ends of the rotating rod correspondingly, the closing switch is located between the two rotating supporting blocks, and a rotating gear is fixedly connected to one end of the rotating rod; the rotating gear is connected with an auxiliary gear in a meshed mode, the auxiliary gear is fixedly connected with an auxiliary rotating column, and the middle of the auxiliary rotating column is fixedly connected with a rotating time recorder. According to the utility model, the effect of automatically recording feeding every time is achieved, so as to remind a worker of the feeding type and frequency.

Description

TECHNICAL FIELD

[0001] The utility model relates to polyester polyol processing technical field especially relates to a kind of feeding device for polyester polyol production. BACKGROUND

[0002] Polyester polyols include conventional polyester polyols, polycaprolactone polyols and polycarbonate diols, which contain ester groups or carbonate groups and are usually obtained by polycondensation of dicarboxylic acids and diols.

[0003] Polyester polyols have high strength, wear resistance, excellent hydrolysis resistance, heat resistance and adhesion, so they are widely used. However, when preparing polyester polyols, different materials need to be mixed. However, the existing feeding device generally records the type and number of materials manually, which can cause errors in the type and number of materials, leading to overmixing in the reaction device, even explosion, which is not conducive to the safe operation of the device.

[0004] Therefore, we provide a feeding device for polyester polyol production. INVENTION CONTENTS

[0005] The utility model aims at the technical problem existing above, provides a kind of feeding device for polyester polyol production, achieves the effect of automatic recording of feeding times by classification.

[0006] Therefore, the utility model provides a feeding device for polyester polyol production, which includes a support frame and a plurality of feeding pipes arranged inside the support frame. One end of the feeding pipe inside the support frame is fixedly connected with a flow pipe, the flow pipe is inserted into the support frame and extends outside, the flow pipe is fixedly connected with a reaction barrel at the end away from the support frame, a closing switch is rotatably arranged on one side of the feeding pipe, the closing switch is inserted into the feeding pipe, one end of the closing switch is fixedly connected with a rotating rod, the rotating rod extends out of the opposite sides of the closing switch, rotating support blocks are rotatably connected to both ends of the rotating rod, the closing switch is located between the two rotating support blocks, a rotating gear is fixedly connected to one end of the rotating rod, an auxiliary gear is meshingly connected to the rotating gear, an auxiliary rotating column is fixedly connected to the auxiliary gear, and a rotating counter is fixedly connected to the middle part of the auxiliary rotating column.

[0007] Preferably, the opening rotation angle of the closing switch is set to ninety degrees each time, the rotating gear rotates one quarter of a circle, the auxiliary gear rotates one sixth of a circle, and the rotating counter and the auxiliary gear have the same rotating stroke.

[0008] Preferably, the feeding pipe is fixedly connected with a protective shell outside, the protective shell is fixedly connected with the support frame, and the rotating gear and the auxiliary gear are arranged in the protective shell.

[0009] Preferably, the rotating rod is rotatably connected with the inner wall of the protective shell at two opposite ends, and the auxiliary rotating column is rotatably connected with a moving support cylinder on one side, and the moving support cylinder is fixedly arranged on the inner wall of the protective shell.

[0010] Preferably, the moving support cylinder supports the auxiliary rotating column to move horizontally, and the auxiliary rotating column is slidably arranged in the moving support cylinder.

[0011] Preferably, the auxiliary rotating column is fixedly connected with an adjusting head at an end away from the moving support cylinder, and the adjusting head is located outside the protective shell.

[0012] Preferably, the closing switch is rotatably connected with a rotating fastening frame outside, the rotating fastening frame is clamped and connected with a limiting support frame, and the limiting support frame is fixedly arranged on one side of the feeding pipe.

[0013] Compared with the prior art, the polyester polyol production feeding device has the following beneficial effects:

[0014] The rotating support block is arranged below the closing switch, and the rotating support block is rotatably connected with the rotating rod, the rotating rod is rotatably connected with the rotating gear on one side, the rotating gear is rotatably connected with the auxiliary gear, and the auxiliary gear is rotatably connected with the rotating counter on one side.

[0015] The rotating counter is arranged on the feeding pipe at different positions, so that the device can automatically record the feeding of different materials, remind the staff of the number of each material to be fed, effectively prevent the staff from feeding multiple times by mistake, and ensure the safe operation of the device during feeding.

[0016] The auxiliary rotating column is moved horizontally, so that the rotating counter can be adjusted and reset.

[0017] The parts not involved in the device are the same as or can be realized by the prior art, the device has the advantages of simple structure and convenient operation. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The utility model provides a polyester polyol production feeding device structure schematic diagram for the utility model;

[0019] Figure 2 A structure schematic view of a feeding device for polyester polyol production is provided in the utility model.

[0020] Figure 3 A structure schematic view of a feeding device for polyester polyol production is provided in the utility model.

[0021] Figure 4 A structure schematic view of a feeding device for polyester polyol production is provided in the utility model.

[0022] In the figure: 1, support frame; 2, feeding pipeline; 3, flow pipeline; 4, reaction bucket; 5, closed switch; 6, rotating fastening frame; 7, limiting support frame; 8, rotating rod; 9, rotating support block; 10, rotating gear; 11, auxiliary gear; 12, auxiliary rotating column; 13, rotating record device; 14, moving support cylinder; 15, adjusting head; 16, protective shell. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0024] In the description of the utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0025] Embodiment one: a feeding device for polyester polyol production, like Figures 1-4As shown, including support frame 1, and arranged in support frame 1 inside several feeding pipe 2, feeding pipe 2 is fixedly connected with the flow pipe 3 at one end inside the support frame 1, flow pipe 3 and support frame 1 plug-in and extend outside, flow pipe 3 away from the support frame 1 end fixedly connected with the reaction bucket 4, feeding pipe 2 side rotatably provided with a closed switch 5, closed switch 5 and feeding pipe 2 plug-in, closed switch 5 one end fixedly connected with a rotating rod 8, rotating rod 8 extends out of the opposite sides of the closed switch 5, rotating rod 8 both ends are rotatably connected with a rotating support block 9, closed switch 5 between the two rotating support block 9, rotating rod 8 one end fixedly connected with a rotating gear 10, rotating gear 10 is engaged with a auxiliary gear 11, auxiliary gear 11 fixedly connected with an auxiliary rotating column 12, auxiliary rotating column 12 middle fixedly connected with a rotating counter 13, when the device runs, by rotating the different positions of the closed switch 5 open to make the rotating counter 13 at the same time rotating, to achieve the effect of automatic recording of each feeding, to remind the staff of the type and number of feeding, specifically, by rotating the closed switch 5 under the rotating support of the rotating support block 9, so that the rotating support block 9 under the support of the rotating rod 8 drive one side of the rotating gear 10 at the same time rotating, so that one side of the auxiliary gear 11 and rotating counter 13 at the same time turn to, so as to achieve the effect of automatic rotation of the rotating counter 13, automatically adjust the number displayed on it, by setting the rotating counter 13 in different positions of the feeding pipe 2, so that the device can automatically record the different types of materials when feeding, to remind the staff of the number of each material at present, effectively prevent the staff from making mistakes repeatedly feeding, to ensure the safe operation of the device when feeding.

[0026] As Figures 1-4 shown, the closed switch 5 each time open rotation angle is set to ninety degrees, at the same time rotating gear 10 rotates a quarter of a circle, at the same time auxiliary gear 11 rotates a sixth of a circle, at the same time rotating counter 13 and auxiliary gear 11 rotation stroke is consistent, by ninety degrees rotating the closed switch 5 each time open, so that the rotating counter 13 under the meshing of auxiliary gear 11 and rotating gear 10 rotates once, and by setting the rotating counter 13 as the closed switch 5 open once, its rotating a number of effects, convenient for direct observation of the number of feeding, so that the staff combined with the actual running time of the device to remind and pay attention when feeding, to prevent the number of repeated or error.

[0027] As Figures 1-4As shown, the outer side of the feeding pipeline 2 is fixedly connected with a protective shell 16, the protective shell 16 is fixedly connected with the support frame 1, the rotating gear 10 and the auxiliary gear 11 are rotatably arranged in the protective shell 16, the opposite ends of the rotating rod 8 are rotatably connected with the inner wall of the protective shell 16, and the auxiliary rotating column 12 is rotatably connected with a moving support cylinder 14 on one side, which is fixedly arranged on the inner wall of the protective shell 16. Through the support of the protective shell 16, the auxiliary gear 11 and the rotating gear 10 in the protective shell 16 are protected when rotating, and the rotating rod 8 and the auxiliary rotating column 12 are supported when rotating, ensuring the stability and reliability of the continuous rotation of the device.

[0028] Embodiment two: a feeding device for polyester polyol production, as shown in Figures 1-4 As shown, the moving support cylinder 14 supports the horizontal movement of the auxiliary rotating column 12, the auxiliary rotating column 12 is slidably arranged in the moving support cylinder 14, and the end of the auxiliary rotating column 12 away from the moving support cylinder 14 is fixedly connected with an adjusting head 15, which is located outside the protective shell 16. By horizontally moving the auxiliary rotating column 12, it is convenient to adjust and reset it. For example, when the device needs to be closed after feeding, first pull the adjusting head 15 outward to make the auxiliary rotating column 12 move outward under the support of the moving support cylinder 14, so that the two rotating parts are disconnected. After the sealing device is assembled, reset the adjusting head 15 to effectively prevent the device from being closed and the auxiliary rotating column 12 from being reset. By pulling and rotating the adjusting head 15, the middle limiting part can be reset, so as to facilitate the accuracy of the next use of the device.

[0029] As shown in Figures 1-4 As shown, the outer side of the closing switch 5 is rotatably connected with a rotating fastening frame 6, the rotating fastening frame 6 is clamped and connected with a limiting support frame 7, and the limiting support frame 7 is fixedly arranged on one side of the feeding pipeline 2. Through the limiting connection of the rotating fastening frame 6 and the limiting support frame 7, the stability of the closing switch 5 when sealing on the feeding pipeline 2 is ensured.

[0030] Working principle: through the rotation of the support block 9 under the support of the rotation of the closed switch 5, make the rotation of the support block 9 under the support of the rotation of the lever 8, drive one side of the rotation gear 10 to rotate at the same time, so that one side of the auxiliary gear 11 and the rotation counter 13 rotate at the same time, so as to achieve the effect of automatic rotation of the rotation counter 13, automatically adjust the displayed number, set the rotation counter 13 in different positions of the feeding pipe 2, so that the device can automatically record different kinds of materials, remind the staff of the number of each material, effectively prevent the staff from making mistakes, and ensure the safe operation of the device.

[0031] The above is only the preferred embodiment of the present application, but the protection scope of the present application is not limited to this. Any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A feeding device for polyester polyol production, comprising a support frame (1) and a plurality of feeding pipes (2) arranged inside the support frame (1), characterized in that, One end of the feeding pipeline (2) fixedly connected with the flow pipeline (3) inside the support frame (1), the flow pipeline (3) and the support frame (1) are inserted and extended outside, the flow pipeline (3) is fixedly connected with the reaction bucket (4) away from the support frame (1), the feeding pipeline (2) side rotatably provided with a closing switch (5), the closing switch (5) and the feeding pipeline (2) are inserted, one end of the closing switch (5) is fixedly connected with a rotating rod (8), the rotating rod (8) extends out of the opposite sides of the closing switch (5), the rotating rod (8) both ends are rotatably connected with a rotating support block (9), the closing switch (5) is located between the two rotating support blocks (9), one end of the rotating rod (8) is fixedly connected with a rotating gear (10), the rotating gear (10) is rotatably connected with an auxiliary gear (11), the auxiliary gear (11) is fixedly connected with an auxiliary rotating column (12), the auxiliary rotating column (12) is fixedly connected with a rotating recorder (13) in the middle.

2. The feeding device for producing polyester polyol according to claim 1, wherein The rotating angle of the closing switch (5) is set to ninety degrees each time, the rotating gear (10) rotates one quarter of a circle, the auxiliary gear (11) rotates one sixth of a circle, and the rotating recorder (13) rotates with the auxiliary gear (11).

3. The feeding device for producing polyester polyol according to claim 1, characterized in that, The feeding pipeline (2) is fixedly connected with a protective shell (16) outside, the protective shell (16) is fixedly connected with the support frame (1), and the rotating gear (10) and the auxiliary gear (11) are rotatably arranged in the protective shell (16).

4. The feeding device for producing polyester polyol according to claim 3, wherein The opposite ends of the rotating rod (8) are rotatably connected with the inner wall of the protective shell (16), and the auxiliary rotating column (12) is rotatably connected with a moving support cylinder (14) on one side.

5. The feeding device for producing polyester polyol according to claim 4, wherein The moving support cylinder (14) supports the auxiliary rotating column (12) to move horizontally, and the auxiliary rotating column (12) is slidably arranged in the moving support cylinder (14).

6. The feeding device for producing polyester polyol according to claim 5, wherein One end of the auxiliary rotating column (12) away from the moving support cylinder (14) is fixedly connected with an adjusting head (15), and the adjusting head (15) is located outside the protective shell (16).

7. The feeding device for producing polyester polyol according to claim 1, wherein The closing switch (5) is rotatably connected with a rotating fastening frame (6) outside, the rotating fastening frame (6) is clamped and connected with a limiting support frame (7), and the limiting support frame (7) is fixedly arranged on one side of the feeding pipeline (2).

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