EPE foam volume reduction equipment

Abstract

The EPE foam volume reduction equipment comprises a pushing and pressing device, a smashing device and a softening device, the pushing and pressing device comprises a shell and a telescopic assembly, the shell is provided with an opening, the telescopic assembly is used for compressing foam in the shell, the smashing device is used for smashing the foam, a partition plate is arranged in the smashing device, and the softening device is arranged in the partition plate. The crushing device is provided with a partition plate, the partition plate divides the crushing device into a crushing chamber and a softening chamber, the softening device softens foamed cotton in the softening chamber, the partition plate is provided with a discharging groove, and the discharging groove comprises a plurality of first strip-shaped grooves. According to the foaming cotton cold pressing equipment, the volume reduction effect is good, the working efficiency is high, the volume of the foaming cotton subjected to volume reduction can be greatly reduced, and the transportation and storage cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to foamed cotton recycling technical field especially relates to a kind of EPE foamed cotton volume reduction equipment. BACKGROUND

[0002] Polyethylene foamed cotton is non-crosslinking closed cell structure, also known as EPE pearl cotton, it is a new type of environmental protection packaging material. It is made of low-density polyethylene by physical foaming to produce countless independent bubbles, with water-proof, shockproof, sound insulation, thermal insulation, good plasticity, strong toughness, recycling, environmental protection, strong anti-collision force and many other advantages, it is the ideal substitute of traditional packaging material, the density of foamed cotton is very low, so that it is very inconvenient in storage, transportation and other aspects, leading to higher recycling cost, the existing foam recycling equipment has lower processing efficiency for foamed cotton, and the volume reduction effect of waste foamed cotton is poor, leading to low efficiency of recycling plant, which cannot meet the recycling demand. SUMMARY

[0003] The utility model discloses a kind of EPE foamed cotton volume reduction equipment, to at least solve one of the technical problems in prior art.

[0004] To achieve the above object, the technical scheme of the utility model provides a kind of EPE foamed cotton volume reduction equipment, it includes:

[0005] Pushing and pressing device, the pushing and pressing device includes shell and telescopic component, the shell is provided with opening, to discharge foamed cotton from the shell by the opening, the output end of the telescopic component is telescopic in the shell, to compress and push the foamed cotton in the shell to the opening side by the output end of the telescopic component;

[0006] Crushing device, the crushing device is communicated with the shell, the crushing device is used to crush foamed cotton, and the crushing device is provided with partition plate, the internal space of the crushing device is divided into crushing chamber and softening chamber by the partition plate, the partition plate is provided with discharge slot, the discharge slot includes multiple first slits, to make the crushing chamber and softening chamber be communicated by multiple first slits;

[0007] Softening device, the softening device is communicated with the softening chamber, to blow hot air into the softening chamber by the softening device, to soften the foamed cotton crushed in the softening chamber.

[0008] Further, the crushing device includes:

[0009] Cover, the cover is communicated with the shell;

[0010] First shaft stick, the first shaft stick is rotatably installed in the cover;

[0011] a motor, the motor being drivingly connected with the first shaft stick

[0012] a plurality of first blades, the plurality of first blades being arranged on the first shaft stick in intervals, the plurality of first blades being arranged in one-to-one correspondence with the plurality of first slits, so that the plurality of first blades at least partially pass through the corresponding first slits when the first shaft stick rotates.

[0013] Further, the pulverizing device further comprises a secondary cutting assembly, the secondary cutting assembly comprising:

[0014] a second shaft stick, the second shaft stick being rotatably installed in the cover body;

[0015] a plurality of second blades, the plurality of second blades being arranged on the second shaft stick in intervals;

[0016] a driving member, an output end of the driving member being drivingly connected with the second shaft stick;

[0017] wherein the blanking groove further comprises a plurality of second slits, the plurality of second slits being arranged in one-to-one correspondence with the plurality of second blades, so that the plurality of second blades at least partially pass through the corresponding second slits when the plurality of second blades rotates.

[0018] Further, the rotation axis of the first shaft stick and the rotation axis of the second shaft stick are arranged in parallel on the same horizontal plane, and the plurality of first blades and the plurality of second blades are staggered along the length direction of the first shaft stick or the length direction of the second shaft stick.

[0019] Further, the cutting planes formed by the rotation of the plurality of first blades and the plurality of second blades are all arranged perpendicularly to the axis of the first shaft stick.

[0020] Further, the telescopic assembly comprises:

[0021] a fixed portion, the fixed portion being arranged at one end of the shell;

[0022] a telescopic member, the telescopic member being telescopically sliding in the fixed portion, a front end of the telescopic member extending into the shell, the front end of the telescopic member being provided with a pressing block, a side surface of the pressing block abutting against the inner wall of the shell;

[0023] an industrial assembly, the industrial assembly being used to drive the telescopic member to telescopically move in the fixed portion.

[0024] Further, the softening device comprises:

[0025] a blower;

[0026] A heater, an input end of the heater being communicated with an output end of the air blower, the heater being used for heating air passing through the heater, an output end of the heater being provided with an output pipe, a terminal end of the output pipe being communicated with the softening chamber, so as to guide the heated air into the softening chamber through the output pipe, and the foamed cotton in the softening chamber being softened by the hot air.

[0027] Further, an inside of the shell is provided with a compression cavity, a top wall of the compression cavity being provided with a compression groove, and the shell is provided with a pressing assembly, so that the foamed cotton in the compression groove is compressed by adjusting a length of a telescopic end of the pressing assembly extending into the compression groove.

[0028] Further, the pressing assembly comprises:

[0029] At least one frame body, a plurality of the frame bodies being mounted on the shell, and a plurality of the frame bodies being provided with telescopic rods;

[0030] A pressing plate, a top surface of the pressing plate abutting against a terminal end of the telescopic rod, and the pressing plate being used for compressing the foamed cotton in the compression groove, so that the foamed cotton in the compression groove can be compressed by adjusting a height of the terminal end of the telescopic rod.

[0031] Further, one end of the pressing plate is mounted on the shell through a hinge connecting piece, so that the pressing plate is rotatably connected with the shell.

[0032] As can be seen from the above technical solution, the EPE foamed cotton volume reduction equipment of the utility model, by putting the waste foamed cotton into the crushing device, the waste foamed cotton is cut into foam crumbs by the crushing device, the crushing device is provided with a partition plate, the partition plate can separate the foamed cotton in the crushing device, the foamed cotton cut into foam crumbs can enter the softening chamber through the discharging groove formed in the partition plate, and the large foamed cotton is retained in the crushing chamber and crushed again, the discharging groove comprises a plurality of first slits, so that the foamed cotton does not accumulate on the partition plate, the foam crumbs are softened by the softening device after entering the softening chamber, the softened foam crumbs can be compressed more easily, and the volume reduction effect is better, the foamed cotton after volume reduction is pushed out by the telescopic movement of the output end of the telescopic assembly of the pushing device in the shell, and the volume of the foamed cotton after volume reduction is reduced, so that the subsequent storage, transportation and processing of the foamed cotton are facilitated, the transportation and storage costs are reduced, and the factory benefit can be effectively improved.

[0033] In order to make the technical concept and other purposes, advantages, features and effects of the utility model more clearly understood, the preferred embodiments will be described in the following specific embodiments, and the detailed description will be made with the help of the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0034] In order to make the technical concept and other purposes, advantages, features and effects of the utility model more clearly understood, the preferred embodiments will be described in the following specific embodiments, and the detailed description will be made with the help of the drawings.

[0035] Figure 1 is a perspective view of the EPE foam volume reduction equipment provided by the embodiment of the application;

[0036] Figure 2 is another perspective view of the EPE foam volume reduction equipment provided by the embodiment of the application;

[0037] Figure 3 is a structural schematic view of the pushing device of the EPE foam volume reduction equipment provided by the embodiment of the application;

[0038] Figure 4 is a structural exploded view of the crushing device of the EPE foam volume reduction equipment provided by the embodiment of the application;

[0039] Figure 5 is a top view of part of the structure provided by the embodiment of the application;

[0040] Figure 6 is a schematic view of part of the structure provided by the embodiment of the application;

[0041] Among them, the above drawings include the following drawing marks:

[0042] 100, pushing device; 110, shell; 111, opening; 112, compression groove; 120, telescopic assembly; 121, fixed part; 122, telescopic piece; 122a, extrusion block; 123, industrial assembly; 130, extrusion assembly; 131, frame body; 132, telescopic rod; 133, extrusion plate;

[0043] 200, crushing device; 210, motor; 220, cover body; 221, crushing chamber; 222, softening chamber; 230, first shaft stick; 240, first blade; 250, second shaft stick; 260, second blade; 270, driving piece;

[0044] 300, softening device; 310, air blower; 320, heater; 330, output pipeline;

[0045] 400, partition plate; 410, discharge chute; 411, first slot; 412, second slot. DETAILED DESCRIPTION

[0046] In order for those skilled in the art to better understand the technical solutions of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0047] Please refer to Figures 1 to 6 The present embodiment provides a kind of EPE foam volume reduction equipment, its scheme key points include: push device 100, pulverizing device 200 and softening device 300, push device 100 includes shell 110 and telescopic component 120, shell 110 is provided with opening 111, to discharge foam from shell 110 by opening 111, the output end of telescopic component 120 moves in and out in shell 110, to compress and push the foam in shell 110 to the side of opening 111 by the output end of telescopic component 120, pulverizing device 200 is communicated with shell 110, pulverizing device 200 is used to pulverize foam, and partition plate 400 is provided in pulverizing device 200, the internal space of pulverizing device 200 is divided into pulverizing chamber 221 and softening chamber 222 in sequence by partition plate 400, discharge chute 410 is opened on partition plate 400, discharge chute 410 includes multiple first slots 411, to make pulverizing chamber 221 and softening chamber 222 be communicated by multiple first slots 411, softening device 300 is communicated with softening chamber 222, to blow hot air into softening chamber 222 by softening device 300, to make the foam pulverized in softening chamber 222 soften.

[0048] The waste foamed cotton is put into the crushing device 300, the waste foamed cotton is cut into foam crumbs by the crushing device 300, the crushing device 300 is provided with a partition plate 400, the partition plate 400 can separate the foamed cotton in the crushing device 300, the foamed cotton cut into foam crumbs can enter the softening chamber 222 through the discharging groove 410 formed in the partition plate 400, and the bulk foamed cotton is retained in the crushing chamber 221 and crushed again, the discharging groove 410 comprises a plurality of first strip grooves 411, so that the foamed cotton is not accumulated on the partition plate 400, the foam crumbs enter the softening chamber 222 and are softened by the softening device 300, the softened foam crumbs can be more easily compressed, and better volume reduction effect is achieved, the output end of the telescopic assembly 120 of the pushing device 100 is telescopically moved in the shell 110 to compress the foamed cotton and push the volume-reduced foamed cotton to the opening 111 direction and push out, and the like, the compression volume reduction effect is better, the working efficiency is high, the volume of the volume-reduced foamed cotton is reduced, the storage, transportation and treatment of the foamed cotton are facilitated, the transportation and storage costs are reduced, and the factory benefit can be effectively improved.

[0049] Further, please refer to Figures 1 to 5 The crushing device 200 comprises a cover body 220, a first shaft stick 230, a motor 210 and a plurality of first blades 240, the cover body 220 is communicated with the shell 110, the first shaft stick 230 is rotatably installed in the cover body 220, the motor 210 is drivingly connected with the first shaft stick 230, the plurality of first blades 240 are arranged on the first shaft stick 230 at intervals, and the plurality of first blades 240 are arranged in one-to-one correspondence with the plurality of first strip grooves 411, so that the plurality of first blades 240 at least partially pass through the corresponding first strip grooves 411 when the first shaft stick 230 rotates.

[0050] The waste foamed cotton is put into the cover 220, the first shaft stick 230 drives the plurality of first blades 240 to rotate under the driving of the motor 210, so as to cut the waste foamed cotton into foam debris, the cover 220 is provided with a partition plate 400, the partition plate 400 can separate the foamed cotton in the crushing chamber 221, the foamed cotton cut into foam debris can enter the softening chamber 222 through the discharging groove 410 formed in the partition plate 400, and the large pieces of foamed cotton are retained in the crushing chamber 221, the discharging groove 410 comprises a plurality of first slits 411, the plurality of first blades 240 are arranged on the first shaft stick 230 in a spaced manner, the plurality of first blades 240 are arranged in one-to-one correspondence with the plurality of first slits 411, so that the plurality of first blades 240 at least partially pass through the corresponding first slits 411 when the first shaft stick 230 rotates, so that the foamed cotton is not blocked in the first slits 411 to affect the discharging effect, and the shearing force formed by the foamed cotton lifted by the partition plate 400 at the first slits 411 can improve the cutting efficiency.

[0051] Preferably, please refer to Figures 1 to 5 The crushing device 200 further comprises a secondary cutting assembly, the secondary cutting assembly comprising: a second shaft stick 250, a plurality of second blades 260, and a driving member 270, the second shaft stick 250 is rotatably installed in the cover 220, the plurality of second blades 260 are arranged on the second shaft stick 250 in a spaced manner, and the output end of the driving member 270 is drivingly connected with the second shaft stick 250, wherein the discharging groove 410 further comprises a plurality of second slits 412, the plurality of second slits 412 are arranged in one-to-one correspondence with the plurality of second blades 260, so that the plurality of second blades 260 at least partially pass through the corresponding second slits 412 when the plurality of second blades 260 rotate.

[0052] The secondary cutting assembly is provided to achieve better cutting effect on the polyethylene foamed cotton, the second shaft stick 250 is driven by the driving member 270 to make the second blades 260 work synchronously with the first blades 240, and the double-shaft multi-blade structure design greatly increases the cutting frequency of the polyethylene foamed cotton, so that the crushing device 200 has high cutting efficiency on the polyethylene foamed cotton, and the crushed polyethylene foamed cotton can also enter the softening chamber 222 through the second slits 412.

[0053] The two ends of the first shaft stick 230 and the second shaft stick 250 are provided with third blades, the discharging groove 410 further comprises third slits corresponding to the third blades, and the third blades are used to cut the foamed cotton accumulated at the edge of the cover 220.

[0054] Preferably, please refer to Figures 1 to 5The rotation axis of the first shaft stick 230 and the rotation axis of the second shaft stick 250 are arranged in parallel on the same horizontal plane, and the plurality of first blades 240 and the plurality of second blades 260 are staggered along the length direction of the first shaft stick 230 or the length direction of the second shaft stick 250.

[0055] The plurality of first blades 240 and the plurality of second blades 260 are staggered to enable the polyethylene foam to be better cut into foam debris, and space resources can be fully utilized in the limited cover 220 space, so that the structure is compact and the cutting efficiency is good.

[0056] In the embodiment, as shown in Figure 5 The cutting planes formed by the rotation of the plurality of first blades 240 and the plurality of second blades 260 are all arranged perpendicularly to the axis of the first shaft stick 230.

[0057] When the cutting planes formed by the rotation of the first blades 240 and the second blades 260 are perpendicular to the axis of the first shaft stick 230, in the process of cutting the foam, the first blades 240 and the second blades 260 can cut into the foam at the most direct and effective angle, and the first blades 240 and the second blades 260 can stably and uniformly cut the foam, avoiding the dispersion of cutting force or the difficulty of fully cutting part of the foam due to the inclination of the cutting angle, so as to ensure that the foam can be efficiently and high-quality crushed, and improve the overall effect of the crushing process.

[0058] Preferably, referring to Figures 1 to 6 The telescopic assembly 120 comprises a fixed part 121, a telescopic part 122, and an industrial assembly 123. The fixed part 121 is arranged at one end of the shell 110, the telescopic part 122 slides in the fixed part 121, the front end of the telescopic part 122 extends into the shell 110, the front end of the telescopic part 122 is provided with a pressing block 122a, the side surface of the pressing block 122a abuts against the inner wall of the shell 110, and the industrial assembly 123 is used to drive the telescopic part 122 to slide in the fixed part 121.

[0059] The industrial assembly 123 can drive the telescopic part 122 to slide by means of gas pressure, hydraulic pressure or electricity. The industrial assembly 123 can adjust the extension length and extension frequency of the telescopic part 122 according to different batches and different amounts of polyethylene foam, so that the pressing block 122a can well compress the polyethylene foam in the shell 110 and push the compressed polyethylene foam to the opening 111. In addition, because the side surface of the pressing block 122a abuts against the inner wall of the shell 110, the polyethylene foam will not be adhered to the inner wall of the shell 110, thereby affecting the sliding of the pressing block 122a.

[0060] Further, referring to Figure 2The softening device 300 comprises: an air blower 310 and a heater 320, an input end of the heater 320 is communicated with an output end of the air blower 310, the heater 320 is used for heating air passing through the heater 320, and an output end of the heater 320 is provided with an output pipeline 330, and a terminal end of the output pipeline 330 is communicated with the softening chamber 222, so that the heated air is introduced into the softening chamber 222 through the output pipeline 330, and the foamed cotton in the softening chamber 222 is softened by the hot air.

[0061] The air blower 310 can continuously and stably deliver air to the heater 320, the air is heated by the independent heater 320, and the temperature of the heated air can be controlled. Different batches and different material properties of polyethylene foamed cotton often require different softening temperatures. By using the softening device 300, the operator can flexibly adjust the heating power and other parameters of the heater 320 according to actual needs, so as to accurately control the temperature of the hot air. The foamed cotton after being softened can be better compressed and reduced in volume, so as to improve the working efficiency of the equipment.

[0062] Further, please refer to Figures 1 to 3 The inside of the shell 110 is provided with a compression cavity, a compression groove 112 is formed in the top wall of the compression cavity, and the shell 110 is provided with an extrusion assembly 130, so that the extrusion assembly 130 can press the foamed cotton in the compression groove 112 by adjusting the length of the telescopic end of the extrusion assembly 130 extending into the compression groove 112.

[0063] The extrusion assembly 130 is used for further compressing the polyethylene foamed cotton compressed by the pressing device 100 in the shell 110. By adjusting the telescopic design of the extrusion assembly 130 extending into the compression groove 112, the foamed cotton in the compression groove 112 can be pressed to a suitable pressure according to actual needs, so that the foamed cotton can be further compacted in the shell 110, and the compacted foamed cotton has a more uniform density and a more compact structure, which is beneficial to subsequent storage and transportation steps. By adjusting the length of the telescopic end of the extrusion assembly 130, the degree of compaction of the foamed cotton can be flexibly changed.

[0064] Further, please refer to Figures 1 to 3 The extrusion assembly 130 comprises: at least one frame body 131 and an extrusion plate 133, a plurality of frame bodies 131 are installed on the shell 110, a telescopic rod 132 is arranged on each of the plurality of frame bodies 131, and the upper surface of the extrusion plate 133 abuts against the terminal end of the telescopic rod 132. The extrusion plate 133 is used for pressing the foamed cotton in the compression groove 112, so that the lower surface of the extrusion plate 133 can compress the foamed cotton in the compression groove 112 by adjusting the height of the terminal end of the telescopic rod 132.

[0065] The height of the telescopic rod 132 can be adjusted to make the extrusion plate 133 compress the polyethylene foam on one side of the compression groove 112 to different degrees, and the operator can adjust the telescopic rod 132 according to the actual situation of the foam to obtain foam with different densities.

[0066] Preferably, one end of the extrusion plate 133 is installed on the shell 110 through a hinge connection, so that the extrusion plate 133 is rotatably connected to the shell 110.

[0067] Preferably, one end of the extrusion plate 133 is installed on the shell 110 through a hinge connection, so that the extrusion plate 133 is rotatably connected to the shell 110.

[0068] Preferably, a plurality of frame bodies 131 are provided with threaded holes, the threaded holes are located above the extrusion plate 133 and the axis direction of the threaded holes is substantially vertical, and the telescopic rod 132 is a screw rod installed in the threaded hole, so that the screw rod is raised or lowered by rotating the screw rod.

[0069] From the above description, it can be seen that the above-mentioned embodiments of the utility model realize the following technical effects: the waste foam is put into the crushing device 300, the waste foam is cut into foam debris by the crushing device 300, the crushing device 300 is provided with a partition plate 400, the partition plate 400 can separate the foam in the crushing device 300, the foam cut into foam debris can enter the softening chamber 222 through the discharge slot 410 formed in the partition plate 400, and the large foam is retained in the crushing chamber 221 to be crushed again, the discharge slot 410 comprises a plurality of first strip-shaped grooves 411, so that the foam does not accumulate on the partition plate 400, the foam debris is softened by the softening device 300 after entering the softening chamber 222, the softened foam debris can be more easily compressed, and better volume reduction effect is achieved, the output end of the telescopic assembly 120 of the pushing and pressing device 100 is telescoped in the shell 110 to compress the foam and push the volume-reduced foam to the opening 111 direction and push out, and the above-mentioned utility model has better compression and volume reduction effect, high work efficiency, small volume of the volume-reduced foam, convenient storage, transportation and processing of the foam, reduced transportation and storage cost, and effectively improved factory benefit.

[0070] The foregoing merely illustrates the principles of the application. It will be apparent to those skilled in the art that the application can be practiced with modifications and alterations, and that the application abides by the principles of the application and thus, can appropriately be practiced by adding, combining, and / or deleting various processes, elements, and / or components. Thus, numerous modifications and alterations are possible in the embodiments of the application without departing from the scope of the application as disclosed in the above description and attached claims, and aspects of the disclosed embodiments can be applied individually or in any combination to produce new and / or novel embodiments. It will be understood by those skilled in the art that various changes can be made and substitutions can be made by one skilled in the art without departing from the scope of the application. Accordingly, many modifications can be made by those skilled in the art to adapt a particular situation to the teachings of the application without a departure from the central concept of the application. Therefore, the presently disclosed embodiments are considered in all respects to be illustrative and not restrictive. Accordingly, the scope of the application is indicated by the appended claims rather than by the foregoing description, and all changes that come within the meaning and range of equivalents are intended to be embraced therein.

[0071] In addition, if the present application embodiments have a description of "first", "second" and the like, the "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include at least one of the features. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, nor in the protection scope claimed by the present application.

[0072] The above is the preferred embodiment of the present application, it should be pointed out that, for those skilled in the art, without departing from the principles of the present application, can make a number of improvements and refinements, these improvements and refinements are also considered as the protection scope of the present application.

Claims

1. An EPE foam volume reduction device, characterized by, The application relates to a foamed cotton processing device. The foamed cotton processing device comprises a pushing device (100) and a crushing device (200). The pushing device (100) comprises a shell (110) and a telescopic assembly (120), the shell (110) is provided with an opening (111) for discharging foamed cotton from the shell (110), and the output end of the telescopic assembly (120) is telescopically movable in the shell (110) to compress and push the foamed cotton in the shell (110) to the side of the opening (111) through the output end of the telescopic assembly (120). The crushing device (200) is communicated with the shell (110) and is used to crush foamed cotton, and a partition plate (400) is arranged in the crushing device (200), the inside space of the crushing device (200) is divided into a crushing chamber (221) and a softening chamber (222) from top to bottom through the partition plate (400), and a discharging groove (410) is formed in the partition plate (400), the discharging groove (410) comprises a plurality of first strip-shaped grooves (411) for connecting the crushing chamber (221) and the softening chamber (222).

2. The EPE foam compaction device of claim 1, wherein, The foamed cotton processing device further comprises a softening device (300) communicated with the softening chamber (222) for blowing hot air into the softening chamber (222) through the softening device (300) to soften the crushed foamed cotton in the softening chamber (222). The crushing device (200) comprises a cover (220) communicated with the shell (110), the partition plate (400) is arranged in the cover (220), a first shaft stick (230) rotatably mounted in the cover (220) and located above the partition plate (400), a motor (210) drivingly connected with the first shaft stick (230), a plurality of first blades (240) arranged on the first shaft stick (230) and corresponding to the first strip-shaped grooves (411) one by one, and the first blades (240) at least partially penetrating through the corresponding first strip-shaped grooves (411) when the first shaft stick (230) rotates. The crushing device (200) further comprises a secondary cutting assembly, the secondary cutting assembly comprising a second shaft stick (250) rotatably mounted in the cover (220) and located above the partition plate (400), a plurality of second blades (260) arranged on the second shaft stick (250) at intervals, and a driving member (270) drivingly connected with the second shaft stick (250). ​ ​ 3. The EPE foam compaction device of claim 2, wherein, ​ ​ ​ ​ The downcomer (410) further comprises a second strip-shaped groove (412), and a plurality of the second strip-shaped grooves (412) are arranged in one-to-one correspondence with a plurality of the second blades (260) so that the plurality of the second blades (260) at least partially pass through the corresponding second strip-shaped grooves (412) when the plurality of the second blades (260) rotate.

4. The EPE foam compaction device of claim 3, wherein, The rotation axis of the first shaft stick (230) and the rotation axis of the second shaft stick (250) are arranged in parallel on the same horizontal plane, and the plurality of the first blades (240) and the plurality of the second blades (260) are arranged in a staggered manner along the length direction of the first shaft stick (230) or the length direction of the second shaft stick (250).

5. The EPE foam volume reduction device of claim 4, wherein, The cutting planes formed by the rotation of the plurality of the first blades (240) and the plurality of the second blades (260) are all arranged perpendicularly to the axis of the first shaft stick (230).

6. The EPE foam volume reduction device according to any one of claims 1 to 5, wherein, The telescopic assembly (120) comprises: a fixed part (121) arranged at one end of the shell (110); a telescopic part (122) telescopically sliding in the fixed part (121), the front end of the telescopic part (122) extending into the shell (110), and the front end of the telescopic part (122) being provided with a pressing block (122a) whose side surface abuts against the inner wall of the shell (110); an industrial assembly (123) for driving the telescopic part (122) to telescopically move in the fixed part (121).

7. The EPE foam volume reduction device according to any one of claims 1 to 5, wherein The softening device (300) comprises: a blower (310); a heater (320) having an input end in communication with the output end of the blower (310), the heater (320) being used for heating air passing through the heater (320), and the output end of the heater (320) being provided with an output pipeline (330) having a distal end in communication with the softening chamber (222) so as to guide heated air into the softening chamber (222) through the output pipeline (330) to soften the foam in the softening chamber (222) by the hot air.

8. The EPE foam volume reduction device according to any one of claims 1 to 5, wherein The inside of the shell (110) is provided with a compression cavity, the top wall of the compression cavity is provided with a compression groove (112), and the shell (110) is provided with a pressing assembly (130) so as to compress the foam in the compression groove (112) by adjusting the length of the telescopic end of the pressing assembly (130) extending into the compression groove (112).

9. The EPE foam compaction device of claim 8, wherein, The pressing assembly (130) comprises: at least one frame body (131), a plurality of the frame bodies (131) being mounted on the shell (110), and a telescopic rod (132) being arranged on each of the frame bodies (131); An extrusion plate (133) whose upper surface is in abutment with the end of the telescopic rod (132), the extrusion plate (133) being used to compress the foam in the compression groove (112) so that the lower surface of the extrusion plate (133) can compress the foam in the compression groove (112) when the height of the end of the telescopic rod (132) is adjusted.

10. The EPE foam compaction device of claim 9, wherein, One end of the extrusion plate (133) is mounted on the shell (110) through a hinge joint, so that the extrusion plate (133) is rotatably connected with the shell (110).

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