Polyurethane raw material feeding device

Abstract

The utility model belongs to the technical field of resin production equipment, and particularly relates to a polyurethane raw material feeding device, which comprises a hopper, a feeding port, a feeding port, a feeding port, a feeding port and a discharging port, the supporting plate is arranged on the inner wall of one side of the feeding opening and downwards and obliquely extends into the hopper; the bag cutting mechanism is arranged on the inner wall of the side, away from the supporting plate, of the hopper, and the bag cutting mechanism comprises a cutting knife capable of moving in a reciprocating mode; the vibrating screen is arranged in the hopper and is positioned below the supporting plate; wherein the position of the cutting knife corresponds to the lowest end of the supporting plate, and compared with the prior art, the working efficiency is effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to resin production equipment technical field, especially relate to a polyurethane raw material feeding device. BACKGROUND

[0002] In the production process of polyurethane, the raw material feeding operation is usually needed, for the producers lacking of automatic feeding, the feeding operation usually needs the worker to manually move the bag to the feeding hopper, then cuts the bag and pours the raw material into the hopper, this feeding mode is slow, greatly reduces the work efficiency, such as the patent no. CN201822249664.8 discloses a feeding device in polyurethane production, the feeding device includes the hopper body and the discharge pipe arranged below the hopper body, the hopper body and the discharge pipe are connected as a whole, the hopper body is funnel type, the diameter of one end connected with the discharge pipe in the hopper body is smaller, the diameter of the other end away from the discharge pipe in the hopper body is larger, the hopper body is provided with a bag cutting frame, the bag cutting frame includes a cutting piece and a connecting column, the connecting column connects the cutting piece in the hopper body, the cutting piece is " " shaped.

[0003] In the actual production process, it is found that the existing feeding device still cannot effectively cut the bag during use, workers need to apply pressure to the bag to ensure that the bag is effectively cut, which reduces the work efficiency, and thus it is necessary to make improvements. UTILITY MODEL CONTENTS

[0004] The utility model aims at the above-mentioned technical problem, provides a polyurethane raw material feeding device to further improve the work efficiency of polyurethane raw material feeding operation.

[0005] Therefore, the utility model provides a polyurethane raw material feeding device, which comprises:

[0006] The hopper has a feeding port at the top end and a discharge port at the bottom end.

[0007] Further comprising:

[0008] The supporting plate is arranged on the inner wall of one side of the feeding port and extends downwardly and incliningly to the inside of the hopper.

[0009] The bag cutting mechanism is arranged on the inner wall of the side of the hopper away from the supporting plate, and comprises a reciprocating cutting knife.

[0010] The vibrating screen is arranged in the hopper and below the supporting plate.

[0011] The position of the cutting knife corresponds to the lowest end of the supporting plate.

[0012] In the technical solution, in the polyurethane raw material adding operation, the worker moves the bag to the feeding port of the hopper, then places the bag on the supporting plate, the bag slides downward and is tightly attached to the cutter under the action of gravity, then the bag cutting mechanism is started, the cutter moves and cuts the bag tightly attached thereto, the raw material in the bag pours into the hopper and falls on the vibrating screen under the action of gravity, the vibrating screen can screen the raw material, and the cutter is reset after cutting the bag, compared with the prior art, the cutter reciprocating movement can effectively ensure that the bag is automatically cut, the worker does not need to further operate, and the work efficiency is effectively improved.

[0013] In the above technical solution, further, the bag cutting mechanism further comprises:

[0014] A guide rail is arranged on the inner wall of the hopper away from the supporting plate, and the guide rail extends along the horizontal direction;

[0015] A sliding block is arranged on the guide rail, and a cutter seat is arranged on the sliding block;

[0016] A drive cylinder is arranged on the hopper;

[0017] The cutter is arranged on the cutter seat, and the driving end of the drive cylinder is connected with the cutter seat and can drive the cutter seat to move linearly along the horizontal direction repeatedly.

[0018] In the above technical solution, further, the cutter further comprises:

[0019] A plurality of through holes are uniformly distributed on the cutter and penetrate the cutter along the thickness direction of the cutter.

[0020] In the above technical solution, further, the vibrating screen further comprises:

[0021] A motor seat is arranged on the inner wall of the hopper, and a vibrating motor is arranged on the motor seat;

[0022] A screen body is movably arranged in the hopper;

[0023] An anti-vibration block is arranged on the motor seat, and the anti-vibration block has a plurality of anti-vibration blocks and is distributed on both sides of the vibrating motor;

[0024] The driving end of the vibrating motor is connected with the bottom of the screen body.

[0025] In the above technical solution, further, the anti-vibration block further comprises:

[0026] An inner cavity is arranged in the anti-vibration block;

[0027] An adding port is arranged on the top of the anti-vibration block and communicates with the inner cavity, and a detachable cover is arranged in the adding port.

[0028] The metal particles are filled in the inner cavity.

[0029] The utility model discloses the beneficial effects are:

[0030] 1. The setting of the bag cutting mechanism can effectively ensure that the material bag is automatically cut, without the need for workers to further operate, thereby effectively improving work efficiency.

[0031] 2. The setting of the plurality of through holes in the cutter can effectively prevent raw materials from accumulating on the cutter.

[0032] 3. The setting of the anti-vibration block can effectively prevent vibration from being transmitted to the hopper. BRIEF DESCRIPTION OF DRAWINGS

[0033] In order to more clearly illustrate the technical solutions in the embodiments of the utility model 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 utility model, and other drawings can also be obtained according to these drawings without creative labor for those skilled in the art.

[0034] Figure 1 It is a structural schematic diagram of the specific embodiment of the utility model.

[0035] Figure 2 It is a structural schematic diagram of the hopper of the utility model.

[0036] Figure 3 It is a structural schematic diagram of the cutter of the utility model.

[0037] Figure 4 It is a structural schematic diagram of the anti-vibration block of the utility model.

[0038] Figure 5 It is a structural schematic diagram of the inner cavity of the utility model.

[0039] The marks in the figure represent:

[0040] 1, hopper; 100, feeding port; 101, discharging port; 2, supporting plate; 3, bag cutting mechanism; 30, cutter; 31, guide rail; 32, sliding block; 33, driving cylinder; 34, cutter holder; 4, vibrating screen; 40, motor base; 41, vibrating motor; 42, screen body; 5, through hole; 6, anti-vibration block; 60, inner cavity; 61, adding port; 62, cover; 63, metal particles. DETAILED DESCRIPTION

[0041] Clearly, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0042] In the description of the present application, it should be noted that the terms used herein are only for describing specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. For ease of description, the sizes of the various parts shown in the drawings are not drawn in proportion to the actual proportions. The technology, methods and devices known to those skilled in the art can not be discussed in detail, but in appropriate cases, the technology, methods and devices should be considered as part of the authorized description. In all examples shown and discussed here, any specific value should be interpreted as merely exemplary, and not as a limitation. Therefore, other examples of exemplary embodiments can have different values. It should be noted that similar reference numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

[0043] Embodiment 1:

[0044] The present application provides a kind of polyurethane raw material feeding device, comprising: hopper 1, hopper 1 top end has feed inlet 100, bottom end has discharge port 101;

[0045] Further comprising: supporting plate 2, supporting plate 2 is arranged on the inner wall of one side of feed inlet 100 and extends to the inside of hopper 1 downwardly inclinedly;Bag cutting mechanism 3, bag cutting mechanism 3 is arranged on the inner wall of the side of hopper 1 away from supporting plate 2, bag cutting mechanism 3 includes reciprocatingly movable cutter 30;Vibrating screen 4, vibrating screen 4 is arranged in hopper 1 and is located below supporting plate 2;

[0046] Wherein, cutter 30 position corresponds to the lowest end of supporting plate 2.

[0047] In the present embodiment, in the polyurethane raw material feeding operation, the worker moves the bag to the feed inlet 100 of the hopper 1, then places the bag on the supporting plate 2, the bag slides downwardly and tightly abuts against the cutter 30 under the action of gravity, then starts the bag cutting mechanism 3, the cutter 30 moves and cuts the bag tightly abutting against it, the raw material in the bag pours into the hopper 1 and falls on the vibrating screen 4 under the action of gravity, the vibrating screen 4 can screen the raw material, the cutter 30 resets after cutting the bag, compared with the prior art, the cutter 30 reciprocatingly moves to effectively ensure that the bag is automatically cut, without further operation of the worker, and the work efficiency is effectively improved.

[0048] Embodiment 2:

[0049] The polyurethane raw material feeding device provided in the embodiment further has the following technical features in addition to the technical solutions in the above embodiments, the bag cutting mechanism 3 further comprises: a guide rail 31, the guide rail 31 is arranged on the inner wall of the hopper 1 away from the supporting plate 2, and the guide rail 31 extends in the horizontal direction; a sliding block 32, the sliding block 32 is slidingly arranged on the guide rail 31, and a cutter seat is arranged on the sliding block 32; and a driving cylinder 33, the driving cylinder 33 is arranged on the hopper 1.

[0050] The cutter 30 is arranged on the cutter seat, and the driving end of the driving cylinder 33 is connected with the cutter seat and can drive the cutter seat to repeatedly move linearly in the horizontal direction.

[0051] In addition, the driving cylinder 33 can be a conventional air cylinder.

[0052] In the polyurethane raw material feeding operation in the embodiment, the worker moves the material bag to the feeding port 100 of the hopper 1, then places the material bag on the supporting plate 2, the material bag slides downward and is tightly attached to the cutter 30 under the action of gravity, then the bag cutting mechanism 3 is started, the driving cylinder 33 drives the cutter seat to move, at the same time, the sliding block 32 moves along the guide rail 31, the cutter 30 moves along with the movement of the cutter seat and cuts the material bag tightly attached thereto, and the raw material in the material bag pours into the hopper 1 and falls on the vibrating screen 4 under the action of gravity, the vibrating screen 4 can screen the raw material, and the cutter 30 is reset after cutting the material bag. Compared with the prior art, the cutter 30 reciprocatingly moves to effectively ensure that the material bag is automatically cut, the worker does not need to further operate, and the work efficiency is effectively improved.

[0053] Embodiment 3:

[0054] The polyurethane raw material feeding device provided in the embodiment further has the following technical features in addition to the technical solutions in the above embodiments, the cutter 30 further comprises: a plurality of through holes 5, the plurality of through holes 5 are uniformly distributed on the cutter 30 and penetrate the cutter 30 in the thickness direction of the cutter 30.

[0055] In the embodiment, by arranging the plurality of through holes 5 on the cutter 30, the raw material scattered on the surface of the cutter 30 can fall into the hopper 1 through the plurality of through holes 5 in the process of cutting the material bag, so that the phenomenon of raw material accumulation on the cutter 30 is effectively prevented.

[0056] Embodiment 4:

[0057] The embodiment provides a polyurethane raw material feeding device, in addition to comprising the technical scheme of the above embodiment, further has the following technical features, the vibrating screen 4 further comprises: a motor base 40, the motor base 40 is arranged on the inner wall of the hopper 1, and a vibrating motor 41 is arranged on the motor base 40; a screen body 42, the screen body 42 is movably arranged in the hopper 1; a shock block 6, the shock block 6 is arranged on the motor base 40, and the shock block 6 has a plurality of and is distributed on the two sides of the vibrating motor 41.

[0058] Wherein, the driving end of the vibrating motor 41 is connected with the bottom of the screen body 42.

[0059] The shock block 6 further comprises: an inner cavity 60, the inner cavity 60 is arranged in the shock block 6; an adding port 61, the adding port 61 is arranged at the top of the shock block 6 and is communicated with the inner cavity 60, and a detachable cover 62 is arranged in the adding port 61; a plurality of metal particles 63, the plurality of metal particles 63 are filled in the inner cavity 60

[0060] Moreover, the screen body 42 and the vibrating motor 41 are both in a conventional distribution mode, for example, the motor base 40 has two and is symmetrically distributed on the inner wall of the two sides of the hopper 1, the vibrating motor 41 is installed on the motor base 40, and the bottom surface of the screen body 42 is connected with the driving end of the vibrating motor 41.

[0061] In the embodiment, the vibrating motor 41 drives the screen body 42 to vibrate to screen the raw material falling on the vibrating screen 4, through the arrangement of the shock block 6, when the vibration is transmitted to the motor base 40, the plurality of metal particles 63 in the inner cavity 60 of the shock block can present a movement trend opposite to the vibration impact direction under the action of inertia, so that the reverse force is effectively utilized to weaken the vibration, and the vibration is further converted into heat energy dissipation through the mutual collision and friction between the plurality of metal particles 63, the transmission of the vibration to the hopper 1 is prevented, and the working stability and service life of the hopper 1 are improved.

[0062] The embodiments of the application are described above in combination with the drawings, the embodiments in the application and the features in the embodiments can be combined with each other without conflict, the application is not limited to the above specific embodiments, the above specific embodiments are only illustrative, not restrictive, and those skilled in the art can make many forms under the inspiration of the application without departing from the purpose of the application and the scope protected by the claims, and all belong to the protection of the application.

Claims

1. A polyurethane raw material feeding device, comprising: The hopper (1) has a feed inlet (100) at the top and a discharge outlet (101) at the bottom. Its characteristic is that it further includes: The pallet (2) is disposed on one side of the inner wall of the feed inlet (100) and extends downward at an angle into the interior of the hopper (1); The bag cutting mechanism (3) is located on the inner wall of the hopper (1) away from the pallet (2), and the bag cutting mechanism (3) includes a reciprocating cutter (30); A vibrating screen (4) is disposed in a hopper (1) and located below a pallet (2); The cutter (30) is positioned at the lowest end of the support plate (2).

2. The polyurethane raw material feeding device according to claim 1, characterized in that, The bag-cutting mechanism (3) also includes: Guide rail (31), the guide rail (31) is disposed on the inner wall of the hopper (1) away from the pallet (2), the guide rail (31) extends and is distributed in the horizontal direction; A slider (32) is slidably mounted on a guide rail (31), and a tool holder is provided on the slider (32); A drive cylinder (33) is mounted on the hopper (1); The cutter (30) is mounted on the cutter holder, and the drive end of the drive cylinder (33) is connected to the cutter holder and can drive the cutter holder to move repeatedly in a straight line in the horizontal direction.

3. The polyurethane raw material feeding device according to claim 2, characterized in that, The cutter (30) also includes: Several through holes (5) are evenly distributed on the cutter (30) and penetrate the cutter (30) along the thickness direction of the cutter (30).

4. The polyurethane raw material feeding device according to claim 3, characterized in that, The vibrating screen (4) also includes: A motor base (40) is provided on the inner wall of the hopper (1), and a vibrating motor (41) is provided on the motor base (40); A screen body (42) is movably disposed in a hopper (1); The anti-vibration block (6) is disposed on the motor base (40), and there are several anti-vibration blocks (6) distributed on both sides of the vibration motor (41); The drive end of the vibration motor (41) is connected to the bottom of the screen body (42).

5. A polyurethane raw material feeding device according to claim 4, characterized in that, The anti-seismic block (6) also includes: An inner cavity (60) is provided in the anti-vibration block (6); An addition port (61) is provided on the top of the anti-vibration block (6) and communicates with the inner cavity (60). A detachable cover (62) is provided in the addition port (61). Several metal particles (63) are filled in the inner cavity (60).

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