PET plastic bottle melting device for RPET fiber processing

By designing filter recovery parts and cleaning parts in the PET plastic bottle melting device for RPET fiber processing, the problem of the device failing to effectively deal with debris at the filter end is solved, achieving higher crushing and melting efficiency, and reducing cleaning steps.

CN222681455UActive Publication Date: 2025-03-28JIANGSU TANGSHENG HIGH FIBER CO LTD
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Patent Information

Application Number
CN202421435331.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-22
Publication Date
2025-03-28
Estimated Expiration
2034-06-22

AI Technical Summary

Technical Problem

The existing PET plastic bottle melting device for RPET fiber processing fails to effectively process PET debris stuck at the filter end, resulting in debris accumulation and affecting melting efficiency.

Method used

A melting device including a crushing roller assembly, a filter recovery member and a melting plate is designed. Through the filter plate, the bearing shell, the motor and the dragon, the filtering plate can be filtered, recycling and secondary crushing of the retained PET debris, improving the crushing efficiency and reducing the burden on the melting end.

Benefits of technology

The PET debris stuck at the filter end is effectively processed, which improves the crushing and melting efficiency, reduces cleaning steps, and extends the service life of the device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a PET plastic bottle melting device for RPET fiber processing, which comprises a shell, the middle end of the top of the shell is provided with a feed hopper, the shell is connected with a processing piece for melting a PET plastic bottle for RPET fiber processing, and the processing piece comprises a crushing roller assembly, a crushing roller, a feeding roller, a feeding roller, a feeding roller, a feeding roller, a feeding roller and a feeding roller, and the crushing roller assembly is arranged on the inner side of the shell and is used for crushing the PET plastic bottle; and the filtering and recycling part is installed on the inner side of the shell and used for filtering and recycling broken PET scraps, and the filtering and recycling part is installed on the inner side of the shell. According to the PET plastic bottle melting device for RPET fiber processing, a filter plate, a bearing shell, a first motor, a transition shell, a first auger, a lifting shell, a second auger, a second motor and a communicating shell are matched with one another, PET plastic bottle scraps crushed by a crushing roller assembly are filtered, and the remaining PET plastic scraps are subjected to secondary crushing by the crushing roller assembly.
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Description

Technical Field

[0001] The utility model relates to the technical field of plastic bottle recycling and processing, in particular to a PET plastic bottle melting device for RPET fiber processing. Background Art

[0002] During the RPET fiber processing, a corresponding melting device is required to melt the PET plastic bottles. Reference publication number CN208730073U discloses an environmentally friendly melting device for recycling plastic bottles, which includes a box body with a rectangular structure, and L-shaped slide rails are welded on the inner walls of the two opposite sides of the middle of the box body, and two fixed blocks are slidably connected in the slide grooves of the two L-shaped slide rails, which is conducive to the rapid melting of the plastic blocks in the later stage and improves the melting rate and melting completeness;

[0003] As described in the above patent, when the existing PET plastic bottle melting device for RPET fiber processing is used, in order to improve the melting efficiency of the crushed PET plastic bottles, the crushed PET plastic bottle debris is usually filtered by filtering. However, when the device is used, it fails to effectively process the PET debris retained at the filter end, resulting in the accumulation of debris. At the same time, the retained PET debris cannot be recovered and re-crushed, affecting the melting efficiency. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a PET plastic bottle melting device for RPET fiber processing, which solves the problem that the device fails to effectively process debris retained at the filter end, affecting the use efficiency of the device.

[0005] To achieve the above purpose, the utility model is implemented through the following technical solutions: a PET plastic bottle melting device for RPET fiber processing, comprising a shell, a feed hopper is installed at the top middle end of the shell, and the shell is connected with a processing part for melting the PET plastic bottle for RPET fiber processing, and the processing part includes:

[0006] A crushing roller assembly, installed inside the housing, is used to crush PET plastic bottles;

[0007] A filter recovery component is installed on the inner side of the shell for crushing PET debris, filtering and recovering, the filter recovery component includes a filter plate installed on the inner side of the shell and located at the lower end of the crushing roller assembly, a material discharge component is installed on the outer side of the shell corresponding to the oblique lower end of the filter plate, the material discharge component includes a receiving shell fixedly connected to the shell, a transition shell is installed on the bottom of the receiving shell near the outer end of the shell, a first auger is rotatably connected to the inner end of the transition shell, a first motor for driving the first auger is provided on the right side of the transition shell, a lifting shell is fixedly connected to the left side of the transition shell, a second auger is rotatably connected in the lifting shell, a second motor for driving the second auger is installed on the oblique lower side of the lifting shell, and a connecting shell fixedly connected to and connected with the side end of the feed hopper is fixedly connected to the top of the lifting shell;

[0008] The melting plate is installed on the lower side of the shell and is used to filter the PET chips to melt.

[0009] Preferably, the pulverizing roller assembly comprises two groups of pulverizing rollers installed on the inner side of a shell, a gear assembly is installed on the front side of the two groups of pulverizing rollers near the outer end of the shell, and a motor for driving the gear assembly is installed on the outer side of the shell.

[0010] Preferably, the filter plate is arranged at an angle and has a plurality of filter grooves on its surface; the output end of the first motor is coaxially fixedly connected to the first auger; and the output end of the second motor is coaxially fixedly connected to the second auger.

[0011] Preferably, the front end of the upper side of the receiving shell is provided with a slot connected to the inner end of the shell, the slot is located at the oblique lower end of the filter plate, the transition shell is connected to the slot, and the first motor and the second motor are both servo motors.

[0012] Preferably, the processed part also includes a cleaning part connected to the shell for cleaning the crushing roller assembly and the filter plate, the cleaning part includes a water pump fixedly connected to the outside of the shell, a three-way valve is fixedly connected to the water outlet end on the upper side of the water pump, a forked pipe is installed on the right side of the three-way valve, spray strips are installed on the inner side of the shell near both ends of the crushing roller assembly, the forked pipes are fixedly connected to two groups of spray strips respectively, a spray plate is installed on the shell near the top of the filter plate, and a branch pipe fixedly connected to the spray plate is installed on the lower side of the three-way valve.

[0013] Preferably, a suction pipe is installed at the lower pumping end of the water pump, the spray strip is hollow inside and has a plurality of first spray holes on the lower side, the first spray holes are connected to the bifurcated pipe, and a plurality of second spray holes are provided on the rear side of the spray plate, the spray plate is hollow inside and is respectively connected to the branch pipe and the second spray holes.

[0014] Beneficial Effects

[0015] The utility model provides a PET plastic bottle melting device for RPET fiber processing. Compared with the prior art, it has the following beneficial effects:

[0016] (1) The PET plastic bottle melting device for RPET fiber processing has a filtering and recycling component arranged in the device, so that the filter plate, the receiving shell, the first motor, the transition shell, the first auger, the lifting shell, the second auger, the second motor, and the connecting shell cooperate with each other to filter the PET plastic bottle debris crushed by the crushing roller assembly, and recover and lift the PET plastic debris retained on the filter plate so that the crushing roller assembly can further crush the retained PET plastic debris, thereby improving the crushing efficiency and preventing the subsequent filtering operation from being affected by excessive debris retained at the filtering end, reducing the burden on the melting end, and improving the melting efficiency.

[0017] (2) The PET plastic bottle melting device for RPET fiber processing is provided with a cleaning part in the device, and a water pump, a water suction pipe, a three-way valve, a bifurcated pipe, a spray bar, a branch pipe, and a spray plate cooperate with each other to respectively realize spray cleaning of the crushing roller assembly and the filter plate, thereby promoting the falling off of PET plastic debris attached to the surface of the crushing roller assembly and the filter plate, and reducing the subsequent cleaning steps. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a cutaway stereogram of the utility model;

[0019] Figure 2 It is a partial cutaway stereogram of the utility model;

[0020] Figure 3 It is a three-dimensional diagram of the blanking part of the utility model;

[0021] Figure 4 It is a three-dimensional diagram of the utility model;

[0022] Figure 5 It is an enlarged view of the cleaning element of the utility model.

[0023] In the figure: 1. Shell; 2. Feed hopper; 3. Crushing roller assembly; 4. Filter recovery part; 41. Filter plate; 42. Discharging part; 421. Receiving shell; 422. First motor; 423. Transition shell; 424. First auger; 43. Lifting shell; 44. Second auger; 45. Second motor; 46. Connecting shell; 5. Melting plate; 6. Cleaning part; 61. Water pump; 62. Three-way valve; 63. Bifurcated pipe; 64. Spray strip; 65. Branch pipe; 66. Spray plate. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] like Figure 1-4 The first embodiment shown is a PET plastic bottle melting device for RPET fiber processing, comprising a shell 1, a feed hopper 2 is installed at the middle end of the top of the shell 1, and the shell 1 is connected with a processing part for melting PET plastic bottles for RPET fiber processing, and the processing part comprises: a crushing roller assembly 3, which is installed on the inner side of the shell 1 for crushing PET plastic bottles; the crushing roller assembly 3 comprises two groups of crushing rollers installed on the inner side of the shell 1, and a gear assembly is installed on the front side of the two groups of crushing rollers near the outer end of the shell 1, and a motor for driving the gear assembly is installed on the outer side of the shell 1; the output end of the motor is coaxially fixedly connected with the driving gear in the gear assembly, and the driving gear and the driven gear in the gear assembly are coaxially fixedly connected with the two groups of crushing rollers respectively;

[0026] A filtering and recycling component 4 is installed on the inner side of the shell 1 for crushing PET debris, filtering and recycling. The filtering and recycling component 4 includes a filter plate 41 installed on the inner side of the shell 1 and located at the lower end of the crushing roller assembly 3. A material discharge component 42 is installed on the outer side of the shell 1 at the oblique lower end corresponding to the filter plate 41. The material discharge component 42 includes a receiving shell 421 fixedly connected to the shell 1. A transition shell 423 is installed at the bottom of the receiving shell 421 near the outer end of the shell 1. A first auger 424 is rotatably connected to the inner end of the transition shell 423. A first motor 422 for driving the first auger 424 is provided on the right side of the transition shell 423. A lifting shell 43 is fixedly connected to the left side of the transition shell 423. A second auger 44 is rotatably connected in the lifting shell 43. A second motor 45 for driving the second auger 44 is installed on the oblique lower side of the lifting shell 43. A connecting shell 46 fixedly connected to and connected to the side end of the feed hopper 2 is fixedly connected to the top of the lifting shell 43. A discharge chute is provided at the bottom of the shell 1.

[0027] The melting plate 5 is installed on the lower side of the shell 1 to filter the melting of PET debris. The melting plate 5 is electrically connected to the external controller and has a plurality of feeding holes on its surface. The filter plate 41 is tilted and has a plurality of filter slots on its surface. The output end of the first motor 422 is coaxially fixedly connected to the first auger 424, and the output end of the second motor 45 is coaxially fixedly connected to the second auger 44. The front end of the upper side of the receiving shell 421 is provided with a slot connected to the inner end of the shell 1. The slot is located at the oblique lower end of the filter plate 41, and the transition shell 423 is connected to the slot. The first motor 422 and the second motor 45 are both servo motors; the filter plate 41, the receiving shell 421, the first motor 422, the transition shell 423, the first auger 424, the lifting shell 43, the second auger 44, the second motor 45, and the connecting shell 46 cooperate with each other to filter the PET plastic bottle debris crushed by the crushing roller assembly 3, and by recovering and lifting the PET plastic debris retained on the filter plate 41, the crushing roller assembly 3 further crushes the retained PET plastic debris to improve the crushing efficiency;

[0028] like Figure 1-5 The second embodiment shown is mainly different from the first embodiment in that:

[0029] The processed parts also include a cleaning part 6 connected to the housing 1 for cleaning the crushing roller assembly 3 and the filter plate 41. The cleaning part 6 includes a water pump 61 fixedly connected to the outside of the housing 1. A three-way valve 62 is fixedly connected to the water outlet end on the upper side of the water pump 61. A bifurcated pipe 63 is installed on the right side of the three-way valve 62. Spray strips 64 are installed on both ends of the inner side of the housing 1 near the crushing roller assembly 3. The bifurcated pipes 63 are fixedly connected to two groups of spray strips 64 respectively. A spray plate 66 is installed on the housing 1 near the top of the filter plate 41. A branch pipe 65 fixedly connected to the spray plate 66 is installed on the lower side of the three-way valve 62.

[0030] A suction pipe is installed at the lower pumping end of the water pump 61, the spray strip 64 is hollow inside and has a plurality of first spray holes on the lower side, the first spray holes are connected to the bifurcated pipe 63, a plurality of second spray holes are provided on the rear side of the spray plate 66, the spray plate 66 is hollow inside and is respectively connected to the branch pipe 65 and the second spray holes, through the cooperation of the water pump 61, the suction pipe, the three-way valve 62, the bifurcated pipe 63, the spray strip 64, the branch pipe 65 and the spray plate 66, the crushing roller assembly 3 and the filter plate 41 are sprayed and cleaned respectively.

[0031] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art, and the model parameters of each electrical appliance are not specifically limited, and conventional equipment can be used.

[0032] When in use, the user starts the crushing roller assembly 3, guides the PET plastic bottle into the feed hopper 2, and the crushing roller crushes the PET plastic bottle. The crushed PET debris falls on the filter plate 41, and the filter plate 41 filters the PET debris. The filtered PET debris falls on the melting plate 5, and the melting plate 5 is powered. The heating melting plate 5 heats the PET plastic to promote its melting. The crushing roller assembly 3 drives the shell 1 to vibrate during the crushing of the plastic bottle. The PET debris retained on the filter plate 41 falls into the transition shell along the inclined surface of the shell 1 through the groove of the receiving shell 421 under the action of the vibration of the shell 1. In 423, the first motor 422 and the second motor 45 are started, the first motor 422 drives the first auger 424 to rotate, and the second motor 45 drives the second auger 44 to rotate, the first auger 424 guides the PET debris in the transition shell 423 to the lower side of the lifting shell 43, and under the action of the second auger 44, the PET debris is re-entered into the upper side of the crushing roller assembly 3 through the lifting shell 43, the connecting shell 46, and the feed hopper 2 for secondary crushing, wherein the crushing roller assembly 3 is composed of a motor, a gear assembly, and two sets of crushing rollers, which is a prior art, and its specific operating principle is not repeated here.

[0033] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0034] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A PET plastic bottle melting device for RPET fiber processing, comprising a housing, characterized in that: A feed hopper is installed at the middle end of the top of the shell, and a processing part for melting PET plastic bottles for RPET fiber processing is connected to the shell, and the processing part includes: A crushing roller assembly, installed inside the housing, is used to crush PET plastic bottles; A filter recovery component is installed on the inner side of the shell for crushing PET debris, filtering and recovering, the filter recovery component includes a filter plate installed on the inner side of the shell and located at the lower end of the crushing roller assembly, a material discharge component is installed on the outer side of the shell corresponding to the oblique lower end of the filter plate, the material discharge component includes a receiving shell fixedly connected to the shell, a transition shell is installed on the bottom of the receiving shell near the outer end of the shell, a first auger is rotatably connected to the inner end of the transition shell, a first motor for driving the first auger is provided on the right side of the transition shell, a lifting shell is fixedly connected to the left side of the transition shell, a second auger is rotatably connected in the lifting shell, a second motor for driving the second auger is installed on the oblique lower side of the lifting shell, and a connecting shell fixedly connected to and connected with the side end of the feed hopper is fixedly connected to the top of the lifting shell; The melting plate is installed on the lower side of the shell and is used to filter the PET chips to melt.

2. A PET plastic bottle melting device for RPET fiber processing according to claim 1, characterized in that: The crushing roller assembly comprises two groups of crushing rollers installed inside a shell, the front sides of the two groups of crushing rollers are provided with gear assemblies near the outer ends of the shell, and a motor for driving the gear assemblies is installed outside the shell.

3. A PET plastic bottle melting device for RPET fiber processing according to claim 1, characterized in that: The filter plate is arranged obliquely and has a plurality of filter grooves on its surface. The output end of the first motor is coaxially fixedly connected to the first auger, and the output end of the second motor is coaxially fixedly connected to the second auger.

4. A PET plastic bottle melting device for RPET fiber processing according to claim 1, characterized in that: The front end of the upper side of the receiving shell is provided with a slot connected to the inner end of the shell body, the slot is located at the oblique lower end of the filter plate, the transition shell is connected to the slot, and the first motor and the second motor are both servo motors.

5. A PET plastic bottle melting device for RPET fiber processing according to claim 1, characterized in that: The processed part also includes a cleaning part connected to the shell for cleaning the crushing roller assembly and the filter plate, the cleaning part includes a water pump fixedly connected to the outside of the shell, a three-way valve is fixedly connected to the water outlet end on the upper side of the water pump, a forked pipe is installed on the right side of the three-way valve, spray strips are installed on the inner side of the shell near both ends of the crushing roller assembly, the forked pipes are fixedly connected to two groups of spray strips respectively, a spray plate is installed on the shell near the top of the filter plate, and a branch pipe fixedly connected to the spray plate is installed on the lower side of the three-way valve.

6. A PET plastic bottle melting device for RPET fiber processing according to claim 5, characterized in that: A water pumping pipe is installed at the lower pumping end of the water pump, the spray strip is hollow inside and has a plurality of first spray holes on the lower side, the first spray holes are connected to the bifurcated pipe, a plurality of second spray holes are provided on the rear side of the spray plate, the spray plate is hollow inside and is respectively connected to the branch pipe and the second spray holes.

Citation Information

Patent Citations

  • A environment -friendly melting device for plastic bottle is retrieved

    CN208730073U