Automatic polyurethane extrusion equipment

By designing a bagged polyurethane granule support and cutting mechanism for an automated polyurethane extrusion equipment, the problems of difficult feeding and falling of polyurethane granules were solved, and automated feeding was achieved.

CN223803059UActive Publication Date: 2026-01-16ZHEJIANG HONCH TECH CO LTD
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Patent Information

Application Number
CN202520429085.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-12
Publication Date
2026-01-16
Estimated Expiration
2035-03-12

AI Technical Summary

Technical Problem

The current method of feeding polyurethane granules is difficult and prone to causing granules to fall off.

Method used

An automated polyurethane extrusion device was designed, comprising a bagged polyurethane granule support mechanism and a cutting mechanism. Through the cooperation of a feeding screen and a return spring, the bagged polyurethane granules are automatically fed, and the packaging bag is automatically cut open by a cutting blade.

Benefits of technology

This reduces the difficulty of feeding materials, prevents polyurethane particles from falling off, and enables automated feeding of polyurethane particles.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses automatic polyurethane extrusion equipment, which relates to the technical field of melt extrusion, and comprises a polyurethane extrusion mechanism, an extrusion mechanism and a control mechanism, the bagged polyurethane particle bearing mechanism comprises a fixing frame, a discharging net plate, an avoiding groove, a reset spring and a fixing plate. The fixing frame is fixedly arranged at the top end of the hopper, the discharging net plate is slidably arranged on the inner side of the fixing frame in the vertical direction, and the multiple avoiding grooves are evenly formed in the top of the discharging net plate. According to the feeding device, bagged polyurethane particles can be directly placed on the top of the discharging net plate, then the cutting mechanism automatically cuts off packaging bags of the bagged polyurethane particles, automatic feeding of the polyurethane particles is completed, the feeding difficulty is lowered, and meanwhile the fixing frame can block the polyurethane particles so that the polyurethane particles can be prevented from falling off.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of melt extrusion, particularly to an automatic polyurethane extrusion equipment. BACKGROUND

[0002] Polyurethane is a high polymer material formed by polyol and polyisocyanate through condensation polymerization and has excellent mechanical properties, and is very plastic, which can be used for the production of coatings, adhesives, fabric finishing agents, leather finishing agents and elastomers.

[0003] Through the search, the utility model patent with patent authorization announcement No. CN222178629U discloses a kind of polyurethane particle melt extrusion equipment, including bottom plate, the side of bottom plate upper surface is fixedly connected with support, and is fixedly installed with servo motor through support, the output end of servo motor is fixedly connected with wheel disc, the edge of the side surface of wheel disc is movably connected with support rod through pivot, and one end of support rod is movably connected with connecting rod, and pivot is arranged at the connecting portion, and one end of connecting rod is fixedly connected with piston piece.

[0004] Although the above-mentioned polyurethane particle melt extrusion equipment can complete the melt extrusion operation, when actually performing the feeding operation of polyurethane particles, the operator needs to cut open the packaging bag of the bagged polyurethane particles first, then lift the packaging bag to a higher position and add the polyurethane particles into the hopper through the cut-open position, which is difficult to operate and also easy to cause the polyurethane particles to fall off.

[0005] Therefore, it is necessary to invent an automatic polyurethane extrusion equipment to solve the above-mentioned problems. UTILITY MODEL CONTENTS

[0006] The utility model discloses a kind of automatic polyurethane extrusion equipment, can directly place bagged polyurethane particles to the top of the discharging screen plate, then wait cutting mechanism automatically cut open the packaging bag of bagged polyurethane particles and complete the automatic feeding of polyurethane particles, reduce the feeding difficulty, and the fixed frame can also block polyurethane particles to avoid its falling off, to solve the problem that the operator needs to cut open the packaging bag of bagged polyurethane particles first when actually performing the feeding operation of polyurethane particles in the above background art, then lift the packaging bag to a higher position and add the polyurethane particles into the hopper through the cut-open position, which is difficult to operate and also easy to cause the polyurethane particles to fall off.

[0007] According to one aspect of the present disclosure, the following technical solution is provided: an automatic polyurethane extrusion equipment, comprising:

[0008] A polyurethane extrusion mechanism is used to melt and extrude polyurethane.

[0009] The bagged polyurethane particle supporting mechanism comprises a fixed frame, a discharging mesh plate, escape grooves, a reset spring and a fixed plate.

[0010] The fixed frame is fixedly arranged at the top end of the hopper, the discharging mesh plate is arranged in the vertical direction and is arranged in the inner side of the fixed frame, the escape grooves are arranged in plurality and are uniformly arranged on the top of the discharging mesh plate, the reset spring is fixedly connected to the bottom of the discharging mesh plate, and the fixed plate is fixedly connected to the bottom end of the reset spring and is fixedly connected to the inner wall of the fixed frame.

[0011] The cutting mechanism is used for cutting the packaging bag of the bagged polyurethane particles.

[0012] The automatic polyurethane extrusion equipment according to at least one embodiment of the present disclosure comprises a heating barrel, a hopper, a support, a supporting leg and an extrusion assembly, the hopper is fixedly arranged at the top left side of the heating barrel, the support is fixedly sleeved and arranged at the bottom outside of the heating barrel, the supporting leg is fixedly arranged at the bottom four corners of the support, and the extrusion assembly is fixedly connected to the bottom output end of the heating barrel.

[0013] The automatic polyurethane extrusion equipment according to at least one embodiment of the present disclosure further comprises a rotating shaft, a first motor and a Y-shaped stirring shaft, the rotating shaft is rotatably nested and arranged at the top inner cavity of the heating barrel through a bearing, the first motor is fixedly arranged at the top of the heating barrel and is in transmission connection with the rotating shaft, and the Y-shaped stirring shaft is arranged in plurality and is uniformly fixedly arranged outside the rotating shaft.

[0014] The automatic polyurethane extrusion equipment according to at least one embodiment of the present disclosure, the cutting mechanism comprises a reciprocating screw and a second motor, the reciprocating screw is rotatably nested and arranged in the inner side of the fixed frame through a bearing, and the second motor is fixedly arranged outside the fixed frame and is in transmission connection with the reciprocating screw.

[0015] The automatic polyurethane extrusion equipment according to at least one embodiment of the present disclosure, the cutting mechanism further comprises a moving cross beam, a cutting knife and a guide rod, the moving cross beam is in transmission sleeve connection and arranged outside the reciprocating screw, the cutting knife is arranged in plurality and is uniformly fixedly arranged on the top of the moving cross beam, and the guide rod is slidably arranged through the moving cross beam and is fixedly arranged in the inner side of the fixed frame.

[0016] The technical effects and advantages of the present application are as follows:

[0017] The utility model discloses a bagged polyurethane particle bearing mechanism is set up, so as to be convenient for the loading operation of polyurethane particle, and the bagged polyurethane particle is placed to the top of the blanking screen, at this moment, the bagged polyurethane particle is pressed down to the blanking screen, and then makes the blanking screen drop and compresses the reset spring, along with the blanking screen's continuous drop, the cutting knife passes through the avoidance groove and moves to the top of the blanking screen and cuts open the packing bag in the subsequent reciprocating movement, and then the polyurethane particle in packing bag falls into the hopper inside through the hole on the blanking screen and completes automatic loading, compared with prior art, the utility model discloses can directly place the bagged polyurethane particle to the top of the blanking screen, and then wait for the cutting mechanism to cut open the packing bag of bagged polyurethane particle and complete the automatic loading of polyurethane particle, reduce the loading difficulty, and the fixed frame can also block the polyurethane particle to avoid falling. BRIEF DESCRIPTION OF DRAWINGS

[0018] The accompanying drawings illustrate exemplary embodiments of the present disclosure and together with the description, explain the principles of the present disclosure, in which:

[0019] Figure 1 It is the overall structure schematic diagram of the automatic polyurethane extrusion equipment according to an embodiment of the present disclosure.

[0020] Figure 2 It is the polyurethane extrusion mechanism structure schematic diagram of the automatic polyurethane extrusion equipment according to an embodiment of the present disclosure.

[0021] Figure 3 It is the bagged polyurethane particle bearing mechanism and cutting mechanism structure schematic diagram of the automatic polyurethane extrusion equipment according to an embodiment of the present disclosure.

[0022] The specific reference signs in the drawings are as follows:

[0023] 1, polyurethane extrusion mechanism;11, heating barrel;12, hopper;13, support;14, support leg;15, extrusion assembly;16, rotating shaft;17, first motor;18, Y-shaped stirring shaft;

[0024] 2, bagged polyurethane particle bearing mechanism;21, fixed frame;22, blanking screen;23, avoidance groove;24, reset spring;25, fixed plate;

[0025] 3, cutting mechanism;31, reciprocating screw;32, second motor;33, moving crossbeam;34, cutting knife;35, guide rod. DETAILED DESCRIPTION

[0026] For descriptive purposes, the disclosure can use spatial or relative terms, such as "below," "lower," "lower than," "above," "upper" and the like, to describe a relationship of one element, feature, structure or component to another element, feature, structure or component as illustrated in the figures. Except where otherwise noted, the spatial or relative terms are intended to encompass different orientations of the device in use, operation and / or manufacture, for example, if the device in the figures is turned over, elements described as "below" or "under" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below" can encompass both an orientation of above and below. Moreover, the device can be otherwise oriented (for example, rotated 90 degrees or at other orientations) and the spatial or relative descriptors used herein interpreted accordingly.

[0027] As shown in Figures 1-3 The polyurethane extrusion device of the present disclosure can include a polyurethane extrusion mechanism 1, a bagged polyurethane particle holding mechanism 2, a cutting mechanism 3, and the like.

[0028] As shown in Figure 2 The polyurethane extrusion mechanism 1 in the present disclosure includes a heating barrel 11, a hopper 12, a bracket 13, a supporting leg 14, an extrusion assembly 15, a rotating shaft 16, a first motor 17, and a Y-shaped stirring shaft 18, wherein the hopper 12 is fixedly and penetratingly arranged on the left side of the top of the heating barrel 11, the bracket 13 is fixedly and sleevedly arranged on the bottom outside of the heating barrel 11, the supporting leg 14 is fixedly arranged on the bottom of the four corners of the bracket 13, the extrusion assembly 15 is fixedly connected to the output end of the bottom of the heating barrel 11, the rotating shaft 16 is rotatably and nestingly arranged in the inner cavity of the top of the heating barrel 11, the first motor 17 is fixedly arranged on the top of the heating barrel 11 and is drivingly connected with the rotating shaft 16, and the Y-shaped stirring shaft 18 is provided with a plurality of stirring shafts and is uniformly fixedly arranged on the outside of the rotating shaft 16.

[0029] In this way, after the polyurethane particles fall into the inside of the heating barrel 11 through the hopper 12, the heating elements embedded in the heating barrel 11 melt the polyurethane particles, and in the melting process, the first motor 17 drives the plurality of Y-shaped stirring shafts 18 to stir the polyurethane particles through the rotating shaft 16, so that they are uniformly heated, and after the heating is completed, the extrusion assembly 15 extrudes the liquid polyurethane generated after melting.

[0030] It should be further noted that the extrusion assembly 15 belongs to a scheme already disclosed in the prior art and does not belong to the essential technical features of the present application, and therefore the specific structure thereof will not be described here.

[0031] As shown in Figure 3As shown, in a preferred embodiment, the bagged polyurethane particle supporting mechanism 2 comprises a fixed frame 21, a discharging screen plate 22, a clearance groove 23, a return spring 24 and a fixed plate 25, wherein the fixed frame 21 is fixedly arranged at the top end of the hopper 12, the discharging screen plate 22 is arranged in the vertical direction and is slidably arranged inside the fixed frame 21, the clearance groove 23 is provided with a plurality of and is uniformly arranged on the top of the discharging screen plate 22, the return spring 24 is fixedly connected to the bottom of the discharging screen plate 22, and the fixed plate 25 is fixedly connected to the bottom end of the return spring 24 and is fixedly connected with the inner wall of the fixed frame 21.

[0032] Thus, in order to facilitate the feeding operation of the polyurethane particles, the bagged polyurethane particles are placed on the top of the discharging screen plate 22, at this time the bagged polyurethane particles press the discharging screen plate 22 downward, thereby causing the discharging screen plate 22 to descend and compress the return spring 24, and as the discharging screen plate 22 continuously descends, the cutting knife 34 moves relatively to the top of the discharging screen plate 22 through the clearance groove 23 and cuts open the packaging bag in the subsequent reciprocating movement process, and then the polyurethane particles in the packaging bag fall into the hopper 12 through the holes on the discharging screen plate 22 to complete the automatic feeding, compared with the prior art, the bagged polyurethane particles can be directly placed on the top of the discharging screen plate 22, and then the cutting mechanism 3 automatically cuts open the packaging bag of the bagged polyurethane particles and completes the automatic feeding of the polyurethane particles, which reduces the feeding difficulty and the fixed frame 21 can also block the polyurethane particles to avoid falling.

[0033] As shown, Figure 3 In the present disclosure, the cutting mechanism 3 comprises a reciprocating screw 31, a second motor 32, a moving cross beam 33, a cutting knife 34 and a guide rod 35, wherein the reciprocating screw 31 is rotatably nested and arranged inside the fixed frame 21 through a bearing, the second motor 32 is fixedly arranged outside the fixed frame 21 and is drivingly connected with the reciprocating screw 31, the moving cross beam 33 is drivingly sleeved and arranged outside the reciprocating screw 31, the cutting knife 34 is provided with a plurality of and is uniformly fixedly arranged on the top of the moving cross beam 33, and the guide rod 35 is slidably penetrated through the moving cross beam 33 and is fixedly arranged inside the fixed frame 21.

[0034] Thus, in order to facilitate the feeding operation of the polyurethane particles, the bagged polyurethane particles are placed on the top of the discharging screen plate 22, at this time the bagged polyurethane particles press the discharging screen plate 22 downward, thereby causing the discharging screen plate 22 to descend and compress the return spring 24, and as the discharging screen plate 22 continuously descends, the cutting knife 34 moves relatively to the top of the discharging screen plate 22 through the clearance groove 23 and cuts open the packaging bag in the subsequent reciprocating movement process, and then the polyurethane particles in the packaging bag fall into the hopper 12 through the holes on the discharging screen plate 22 to complete the automatic feeding, compared with the prior art, the bagged polyurethane particles can be directly placed on the top of the discharging screen plate 22, and then the cutting mechanism 3 automatically cuts open the packaging bag of the bagged polyurethane particles and completes the automatic feeding of the polyurethane particles, which reduces the feeding difficulty and the fixed frame 21 can also block the polyurethane particles to avoid falling.

[0035] In addition, it should be further pointed out that the contents not described in detail in the present specification belong to the prior art known to those skilled in the art.

[0036] Those skilled in the art should understand that the above embodiments are only for clearly illustrating the present disclosure, and are not intended to limit the scope of the present disclosure. Based on the above disclosure, other changes or modifications can also be made by those skilled in the art, and these changes or modifications are still within the scope of the present disclosure.

Claims

1. An automated polyurethane extrusion apparatus, characterized by, The utility model relates to a bagged polyurethane particle cutting device, including: A polyurethane extrusion mechanism for melting and extruding polyurethane; A bagged polyurethane particle supporting mechanism including a fixed frame, a blanking screen, an avoidance groove, a return spring and a fixed plate; The fixed frame is fixedly arranged at the top end of the hopper, the blanking screen is slidably arranged inside the fixed frame in the vertical direction, the avoidance grooves are evenly arranged on the top of the blanking screen, the return spring is fixedly connected to the bottom of the blanking screen, and the fixed plate is fixedly connected to the bottom end of the return spring and the inner wall of the fixed frame; and A cutting mechanism for cutting the packaging bag of the bagged polyurethane particles.

2. The automated polyurethane extrusion apparatus of claim 1, wherein: The polyurethane extrusion mechanism includes a heating barrel, a hopper, a support, a supporting leg and an extrusion assembly, the hopper is fixedly arranged through the top left side of the heating barrel, the support is fixedly sleeved on the outside bottom of the heating barrel, the supporting leg is fixedly arranged at the bottom corners of the support, and the extrusion assembly is fixedly connected to the bottom output end of the heating barrel.

3. The automated polyurethane extrusion apparatus of claim 2, wherein: The polyurethane extrusion mechanism further includes a rotating shaft, a first motor and a Y-shaped stirring shaft, the rotating shaft is rotatably nested at the top of the inner cavity of the heating barrel through a bearing, the first motor is fixedly arranged at the top of the heating barrel and is in transmission connection with the rotating shaft, and the Y-shaped stirring shaft is evenly fixedly arranged outside the rotating shaft.

4. The automated polyurethane extrusion apparatus of claim 3, wherein: The cutting mechanism includes a reciprocating screw and a second motor, the reciprocating screw is rotatably nested inside the fixed frame through a bearing, and the second motor is fixedly arranged outside the fixed frame and is in transmission connection with the reciprocating screw.

5. The automated polyurethane extrusion apparatus of claim 4, wherein: The cutting mechanism further includes a moving cross beam, a cutting knife and a guide rod, the moving cross beam is transmissionally sleeved outside the reciprocating screw, the cutting knife is evenly fixedly arranged on the top of the moving cross beam, and the guide rod is slidably arranged through the moving cross beam and is fixedly arranged inside the fixed frame.

Citation Information

Patent Citations

  • Polyurethane particle melt extrusion equipment

    CN222178629U