Self-dispersing anti-blocking single-shaft compression equipment

Abstract

The invention discloses self-dispersing anti-blocking single-shaft compression equipment which comprises a machine shell, a compression roller, an extrusion plate and a driving device, and the compression roller is rotationally installed in the machine shell and comprises a first rotating shaft and a plurality of compression cutter tooth discs fixedly installed on the first rotating shaft at intervals; a plurality of cutter teeth are annularly arranged on the periphery of each compression cutter fluted disc at equal intervals, the compression cutter fluted discs are distributed into two symmetrical groups, and the corresponding cutter teeth on each compression cutter fluted disc in each group are distributed along an Archimedes spiral; the extrusion plate is rotationally installed in the machine shell and obliquely arranged on one side of the compression roller, the driving device is in transmission connection with the compression roller and the extrusion plate, and the driving device is used for driving the compression roller to rotate so as to be matched with the extrusion plate to compress the hollow bottle body and is also used for driving the extrusion plate to do reciprocating swing motion relative to the compression roller. According to the self-dispersing device, the occlusal force and the grabbing force on the bottle bodies can be improved, self-dispersing of the fed bottle bodies is achieved, accumulation and material blocking are avoided, and the self-dispersing device can be matched with compression treatment of large-size bottle bodies.

Description

Technical Field

[0001] This invention relates to the field of compression equipment technology, and in particular to a self-dispersing, anti-jamming single-shaft compression device. Background Technology

[0002] Volume reduction and compression of hollow bottles is a core pre-processing step for lowering recycling and transportation costs and improving subsequent resource recycling efficiency. Currently, the industry commonly uses dual-roller compression equipment as the core processing device for volume reduction of hollow bottles. The core working structure of this type of dual-roller compression equipment consists of two parallel compression rollers, both of which can rotate around their own axis and have mutually compatible cutting teeth on their outer circumference. During operation, the hollow bottle to be processed falls into the processing area between the two compression rollers. A drive mechanism drives the two compression rollers to rotate in opposite directions, and the cutting teeth on the two compression rollers bite and squeeze the bottle, achieving flattening and volume reduction.

[0003] In practical applications, this type of existing equipment has many objective technical limitations: On the one hand, the effective compression gap of existing double-roller compression equipment is fixed by the meshing position of the two compression rollers, which can only be adapted to standard bottles with a narrow range of size specifications. For large-capacity, irregularly shaped hollow bottles, such as laundry detergent bottles with handles and irregularly shaped daily chemical containers, it is easy to encounter problems such as not being able to enter the effective compression gap and insufficient compression, thus limiting the applicability of the equipment.

[0004] On the other hand, the compression rollers of existing dual-roller compression equipment have insufficient biting and gripping force on thin-walled, low-friction hollow bottles, which easily leads to bottle slippage and bouncing, and inability to stably bite into the compression area. At the same time, the bulk bottles are prone to accumulate and spin on the feeding side of the two compression rollers, and cannot be evenly distributed to the effective compression area, resulting in low compression efficiency. Summary of the Invention

[0005] In view of the above-mentioned technical limitations of existing dual-roller compression equipment, the present invention aims to provide a brand-new self-dispersing and anti-jamming single-shaft compression equipment to broaden the adaptability range of bottles, improve the biting and gripping force on the bottles, realize the self-dispersing of the fed bottles, avoid material accumulation and jamming, and improve the compression and volume reduction effect of the bottles and the stability of equipment operation.

[0006] The technical solution adopted by this invention to solve its technical problem is: a self-dispersing, anti-jamming single-axis compression device, comprising: The housing has a feed inlet at its top; A compression roller is rotatably mounted inside the housing in a horizontal direction and is located below the feed inlet. The compression roller includes a first rotating shaft and multiple compression toothed discs. The multiple compression toothed discs are axially spaced and fixedly mounted on the first rotating shaft. Each compression toothed disc has multiple teeth arranged in a ring at equal intervals on its outer circumference. The multiple compression toothed discs are divided into two symmetrical groups from the middle. The two adjacent compression toothed discs in each group are staggered in the circumferential direction, and the corresponding teeth on each compression toothed disc in each group are arranged along an Archimedean spiral. An extrusion plate is rotatably mounted inside the housing and is inclinedly arranged on one side of the compression roller. A compression area with a width that gradually narrows from top to bottom is formed between the extrusion plate and the compression roller. The compression area is positioned directly opposite the feed inlet. The device includes a drive unit connected to the compression roller and the extrusion plate. The drive unit drives the compression roller to rotate, so as to cooperate with the extrusion plate to compress the hollow bottle entering the compression area. At the same time, the drive unit also drives the extrusion plate to reciprocate relative to the compression roller.

[0007] As a further improvement of the present invention, each of the teeth on the compression tooth disc is provided with a tip for piercing the hollow bottle body, and the tip is bent toward the rotation direction of the compression roller, and an arc-shaped extrusion surface is formed at the tooth tip.

[0008] As a further improvement of the present invention, a circular stop is provided near one end of the first rotating shaft, and the plurality of compression toothed discs are all mounted on the first rotating shaft and stopped and limited by the circular stop. A nut for locking the compression toothed discs is installed at the other end of the first rotating shaft. Each of the compression toothed discs has a mounting hole in the middle that matches the first rotating shaft, and the mounting hole, in cooperation with the first rotating shaft, can restrict the compression toothed disc from rotating relative to the first rotating shaft.

[0009] As a further improvement of the present invention, the self-dispersing anti-jamming single-shaft compression device further includes a chain drive mechanism, which is connected between the drive device and the compression roller; the chain drive mechanism includes a drive sprocket mounted on the output shaft of the drive device, a follower sprocket mounted on the first rotating shaft, and a first chain wound around the drive sprocket and the follower sprocket.

[0010] As a further improvement of the present invention, the self-dispersing anti-jamming single-shaft compression device also includes a chain-link transmission mechanism, which is connected between the first rotating shaft and the extrusion plate. The chain-link transmission mechanism includes a first sprocket, a second sprocket, a second chain, a rotating rod, and a hinged link. The first sprocket is mounted on the first rotating shaft, the second sprocket is mounted on the housing, and the second chain is wound around the first sprocket and the second sprocket. A sprocket shaft is provided on the second sprocket, one end of the rotating rod is fixedly connected to the sprocket shaft, and both ends of the hinged link are rotatably connected to the other end of the rotating rod and the extrusion plate, respectively.

[0011] As a further improvement of the present invention, the self-dispersing anti-jamming single-axis compression device also includes a scraper fixed on the housing. The scraper has a plurality of scraper teeth arranged at intervals along the axial direction of the compression roller, and each scraper tooth extends into the gap between two adjacent compression tooth discs.

[0012] As a further improvement of the present invention, the feed inlet is funnel-shaped with a larger upper opening and a smaller lower opening, and the machine housing is also provided with a discharge port located below the compression roller, and the scraper is located on the side of the discharge port away from the extrusion plate.

[0013] As a further improvement of the present invention, the side of the extrusion plate facing the compression roller is provided with multiple rows of protrusions.

[0014] As a further improvement of the present invention, the compression roller further includes a plurality of spacers, all of which are fitted on the first rotating shaft, and a spacer is arranged between each of two adjacent compression toothed discs.

[0015] As a further improvement of the present invention, the thickness of the compression toothed disc is 0.5cm to 2.0cm, the gap between two adjacent compression toothed discs is 0.5cm to 2.0cm, and the number of teeth on each compression toothed disc is 4 to 16.

[0016] The beneficial effects of this invention are as follows: This invention provides a self-dispersing, anti-jamming single-shaft compression device. It adopts a single-shaft compression structure, using a single compression roller in conjunction with an inclined extrusion plate to form a compression zone that gradually narrows from top to bottom. Compared to the existing double-roller structure, this overcomes the limitation of fixed meshing gaps on bottle size, making it suitable for compressing large-capacity, irregularly shaped hollow bottles, significantly expanding the device's applicability. The multiple compression blades on the compression roller are symmetrically divided into two groups from the center. Adjacent compression blades in each group are circumferentially staggered, and the corresponding blades in each group are arranged along an Archimedean spiral. This symmetrical spiral arrangement structure ensures a progressive contact between the blades and the hollow bottle, significantly improving the biting and gripping force on thin-walled, low-friction hollow bottles, preventing bottle slippage, bouncing, and unstable biting. Furthermore, during the rotation of the compression roller, the symmetrically arranged Archimedean spiral blades can disperse and transport the loose hollow bottles entering the compression zone, evenly dispersing the centrally fed hollow bottles into the compression zone and preventing them from spinning and accumulating in the compression zone. At the same time, the compression roller and the extrusion plate are driven to rotate and oscillate simultaneously by the same drive device, eliminating the need for an additional independent drive unit and control system for the extrusion plate, which greatly simplifies the equipment structure. The reciprocating oscillation of the extrusion plate can work in conjunction with the rotation of the compression roller to form a reciprocating compaction action on the bottles in the compression zone, further preventing the hollow bottles from spinning and accumulating. It can also achieve multiple rolling and compaction of the hollow bottles, effectively reducing the rebound rate of the bottles after compression, greatly improving the bottle volume reduction effect and compression processing efficiency, and enabling the equipment to operate continuously and stably for a long time. Attached Figure Description

[0017] To more clearly illustrate the technical solutions of the embodiments of this application, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a perspective view of the self-dispersing, anti-jamming single-axis compression device of the present invention; Figure 2 This is a perspective view of the self-dispersing anti-jamming single-axis compression device of the present invention from another angle; Figure 3 This is a three-dimensional view of the self-dispersing anti-jamming single-axis compression device of the present invention after cross-section; Figure 4 This is a perspective view of the self-dispersing anti-jamming single-shaft compression device of the present invention after the casing has been removed; Figure 5 This is a perspective view of the compression roller in the self-dispersing anti-jamming single-shaft compression device of the present invention; Figure 6This is an exploded view of the compression roller in the self-dispersing anti-jamming single-shaft compression device of the present invention; Figure 7 This is a perspective view of the compression roller, chain drive mechanism, chain-link drive mechanism and extrusion plate in the self-dispersing anti-jamming single-shaft compression device of the present invention; Figure 8 This is a perspective view of the compression roller, chain drive mechanism, chain-link drive mechanism and extrusion plate in the self-dispersing anti-jamming single-axis compression device of the present invention from another angle. Figure 9 This is a right view of the compression roller, chain drive mechanism, chain-link drive mechanism, and extrusion plate in the self-dispersing anti-jamming single-shaft compression device of the present invention.

[0019] Referring to the accompanying drawings, the following explanations are provided: 1. Machine casing; 101. Feed inlet; 102. Discharge outlet; 2. Compression roller; 201. First rotating shaft; 2011. Circular stop; 202. Compression blade disc; 2021. Blade; 20211. Tip; 20212. Extrusion surface; 2022. Assembly hole; 203. Spacer; 204. Nut; 3. Extrusion plate; 301. Protrusion; 4. Drive sprocket; 5. Follower sprocket; 6. First chain; 7. First sprocket; 8. Second sprocket; 9. Second chain; 10. Rotating rod; 11. Hinge rod; 12. Scraper; 1201. Scraper tooth; 13. Gear motor; 14. Second rotating shaft. Detailed Implementation

[0020] The following specific examples illustrate the implementation of this application. Those skilled in the art can easily understand other advantages and effects of this application from the content disclosed in this specification. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of them. This application can also be implemented or applied through other different specific embodiments, and the details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of this application. It should be noted that, in the absence of conflict, the following embodiments and features in the embodiments can be combined with each other. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0021] It should be noted that various aspects of embodiments within the scope of the appended claims are described below. It will be apparent that the aspects described herein can be embodied in a wide variety of forms, and any particular structure and / or function described herein is merely illustrative. Based on this application, those skilled in the art will understand that one aspect described herein can be implemented independently of any other aspect, and two or more of these aspects can be combined in various ways. For example, any number and aspects set forth herein can be used to implement the device and / or practice the method. Additionally, this device and / or method can be implemented using structures and / or functionalities other than one or more of the aspects set forth herein.

[0022] It should also be noted that the illustrations provided in the following embodiments are only schematic representations of the basic concept of this application. The illustrations only show the components related to this application and are not drawn according to the actual number, shape and size of the components in the actual implementation. In the actual implementation, the shape, quantity and proportion of each component can be arbitrarily changed, and the layout of the components may also be more complex.

[0023] Additionally, specific details are provided in the following description to facilitate a thorough understanding of the examples. However, those skilled in the art will understand that practice can be carried out without these specific details.

[0024] The technical solutions provided by the various embodiments of this application are described below with reference to the accompanying drawings.

[0025] See Figures 1 to 9 This invention provides a self-dispersing, anti-jamming single-axis compression device, comprising: a housing 1, a compression roller 2, an extrusion plate 3, and a driving device. The housing 1 has a supporting frame at its bottom and a feed inlet 101 at its top. Hollow bottles to be compressed fall into the feed inlet 101 from above and enter the housing 1 for volume reduction and compression. The compression roller 2 is horizontally rotatable within the housing 1 and positioned below the feed inlet 101.

[0026] Furthermore, the compression roller 2 includes a first rotating shaft 201 and a plurality of compression toothed discs 202. The plurality of compression toothed discs 202 are fixedly installed on the first rotating shaft 201 at intervals along the axial direction (i.e., the axial direction of the first rotating shaft 201). Each compression toothed disc 202 has a plurality of teeth 2021 arranged in a ring at equal intervals on its outer periphery. The plurality of compression toothed discs 202 are divided into two symmetrical groups from the middle. The two adjacent compression toothed discs 202 in each group are staggered in the circumferential direction, and the corresponding teeth 2021 on each compression toothed disc 202 in each group are arranged along an Archimedean spiral. The symmetrical Archimedean spiral structure makes the engagement between the blade teeth 2021 and the hollow bottle a progressive contact, which significantly improves the biting and gripping force on thin-walled, low-friction hollow bottles, avoiding the problem of bottle slippage and bounce, and inability to be stably bitten in. In addition, during the rotation of the compression roller 2, the symmetrically arranged Archimedean spiral blade teeth 2021 can disperse and transport the scattered hollow bottles entering the compression area, and evenly distribute the concentrated feeding hollow bottles to the compression area, avoiding the hollow bottles from spinning and accumulating in the compression area.

[0027] Furthermore, the lower end of the extrusion plate 3 is rotatably mounted inside the housing 1 via the second rotating shaft 14 and is inclinedly positioned on one side of the compression roller 2. The upper end of the extrusion plate 3 is inclined away from the compression roller 2, thus forming a compression zone between the extrusion plate 3 and the compression roller 2 whose width gradually narrows from top to bottom. This compression zone is positioned directly opposite the feed inlet 101. Compared to the existing double-roller structure, the use of a single compression roller 2 in conjunction with the inclined extrusion plate 3 to form a compression zone that gradually narrows from top to bottom overcomes the limitation of fixed meshing gaps on the size of hollow bottles. This allows for the compression of large-capacity, irregularly shaped hollow bottles, significantly expanding the applicability of the equipment.

[0028] The drive unit is connected to the compression roller 2 and the extrusion plate 3. The drive unit drives the compression roller 2 to rotate, cooperating with the extrusion plate 3 to compress the hollow bottles entering the compression area. Simultaneously, the drive unit also drives the extrusion plate 3 to reciprocate relative to the compression roller 2. This invention simultaneously drives the rotation of the compression roller 2 and the reciprocating oscillation of the extrusion plate 3 using the same drive unit, eliminating the need for a separate drive unit and control system for the extrusion plate 3. This significantly simplifies the equipment structure, reduces manufacturing costs, operating energy consumption, and control complexity. The reciprocating oscillation of the extrusion plate 3, in conjunction with the rotation of the compression roller 2, forms a reciprocating compression action on the hollow bottles within the compression area, further preventing the bottles from spinning and accumulating. It also allows for multiple compaction of the hollow bottles, effectively reducing the rebound rate of the compressed bottles, significantly improving the bottle volume reduction effect and compression efficiency, and enabling long-term continuous and stable operation of the equipment.

[0029] For ease of understanding, the multiple cutting teeth 2021 on the outer periphery of each compression cutting tooth disk 202 are numbered from 1 to N, i.e., cutting tooth 1, cutting tooth 2, ..., cutting tooth N. The cutting teeth 2021 with the same number on each compression cutting tooth disk 202 in each group form a cutting tooth row. By staggering the circumferential distribution of adjacent compression cutting tooth disks 202 in each group, the cutting teeth 2021 with the same number on each compression cutting tooth disk 202 in each group are arranged along an Archimedean spiral (e.g., ...). Figure 6 (As shown in bold lines), that is: each row of teeth extends along the Archimedean spiral to the end of the compression roller 2, and the curvature of the Archimedean spiral is biased towards the rotation direction of the compression roller 2 during operation.

[0030] See Figure 5 Each tooth 2021 on the compression tooth disc 202 is equipped with a tip 20211 for piercing the hollow bottle body. The tip 20211 is bent towards the rotation direction of the compression roller 2, and an arc-shaped extrusion surface 20212 is formed at the tooth tip (i.e., the outermost circumference position) of the tooth 2021. The tip 20211 can pierce the bottle wall of the hollow bottle body at the moment the tooth 2021 contacts the hollow bottle body, releasing the air inside the bottle and preventing the bottle body from rebounding due to internal air pressure. At the same time, the bent tip can better hook and bite the hollow bottle body to be processed, further improving the gripping force on the hollow bottle body. The arc-shaped extrusion surface 20212 formed at the tooth tip of the tooth 2021 can work with the extrusion plate 3 to form a progressive crushing of the hollow bottle body during the compression process, while increasing the contact area between the tooth 2021 and the hollow bottle body, improving the compaction effect, and making the compression and volume reduction of the hollow bottle body more uniform.

[0031] Preferably, the number of cutting teeth 2021 on each compression cutting tooth disc 202 is 4 to 16, and in this embodiment, it is 10.

[0032] See Figure 2 and Figure 6 The first rotating shaft 201 of the compression roller 2 is supported at both ends by bearings on opposite side plates of the housing 1. A circular stop 2011 is provided near one end of the first rotating shaft 201. Multiple compression toothed discs 202 are mounted on the first rotating shaft 201 and stopped and limited by the circular stop 2011. A nut 204 for locking the compression toothed discs 202 is installed at the other end of the first rotating shaft 201. By using the nut 204 and the circular stop 2011 to bidirectionally limit and lock the multiple compression toothed discs 202 mounted on the first rotating shaft 201, it can be ensured that the teeth 2021 of each compression toothed disc 202 always maintain the preset Archimedean spiral arrangement accuracy, maintain the stability of the compression effect, and at the same time, the locking structure is easy to disassemble and assemble, which greatly improves the assembly efficiency of the compression toothed discs 202 and facilitates later maintenance and replacement operations.

[0033] Each compression blade disk 202 has a mounting hole 2022 in the middle. The mounting hole 2022 is a regular hexagon, but it can also be a rectangle or other shapes. Correspondingly, the middle part of the first rotating shaft 201 is set as a regular hexagonal prism that matches the mounting hole 2022. With the cooperation of the mounting hole 2022 and the first rotating shaft 201, the rotation of the compression blade disk 202 relative to the first rotating shaft 201 can be restricted.

[0034] In addition, the compression roller 2 also includes multiple spacers 203, all of which are fitted on the first rotating shaft 201. A spacer 203 is arranged between each of two adjacent compression toothed discs 202. The spacers 203 can precisely control the spacing between adjacent compression toothed discs 202, ensuring the Archimedean spiral arrangement accuracy of each tooth 2021. At the same time, they can ensure the stability of the gap between adjacent compression toothed discs 202, allowing the scraper teeth 1201 of the adapting scraper 12 to extend in and complete the cleaning action.

[0035] Preferably, the thickness of the compression blade disc 202 is 0.5cm to 2.0cm, and the gap between two adjacent compression blade discs 202 is 0.5cm to 2.0cm. In this embodiment, the thickness of the compression blade disc 202 is specifically 1.0cm, and the gap between two adjacent compression blade discs 202 is specifically 1.0cm. The design of the gap and thickness of the compression blade disc 202 can adapt to the compression requirements of most common specifications of hollow bottles such as beverage bottles and daily chemical hollow bottles, ensuring sufficient bottle compression and the versatility of the equipment.

[0036] like Figure 1 As shown, the feed inlet 101 is funnel-shaped with a large upper opening and a small lower opening, which can guide the feeding hollow bottle body and allow the hollow bottle body to fall smoothly into the compression area.

[0037] like Figure 3 As shown, the housing 1 is also provided with a discharge port 102 located below the compression roller 2. After compression, the bottle body can be smoothly discharged directly from the discharge port 102 under its own weight.

[0038] It is worth mentioning that the self-dispersing anti-jamming single-axis compression device of the present invention also includes a scraper 12 fixed inside the housing 1, and the scraper 12 is located on the side of the discharge port 102 away from the extrusion plate 3. Figure 3 and Figure 4 As shown, multiple scraper teeth 1201 are arranged at intervals along the axial direction of the compression roller 2 on the scraper 12, and each scraper tooth 1201 extends into the gap between two adjacent compression tooth discs 202. During the rotation of the compression roller 2, the scraper teeth 1201 can completely scrape off the bottle material adhering to the tooth 2021, effectively avoiding problems such as material jamming caused by bottle sticking to the roller, ensuring that the tooth 2021 of the compression roller 2 always maintains a clean working state, and improving the stability of equipment operation and the continuity of compression processing.

[0039] See Figure 1 and Figure 7 The self-dispersing anti-jamming single-shaft compression device of the present invention also includes a chain drive mechanism, which is connected between the drive device and the compression roller 2. In this embodiment, the drive device is a geared motor 13, which is fixed to the outside of the housing 1. The chain drive mechanism includes a drive sprocket 4 mounted on the output shaft of the geared motor 13, a follower sprocket 5 mounted on the first rotating shaft 201, and a first chain 6 wound around the drive sprocket 4 and the follower sprocket 5.

[0040] In addition, the self-dispersing anti-jamming single-shaft compression device of the present invention also includes a chain-link transmission mechanism, which is connected between the first rotating shaft 201 and the extrusion plate 3.

[0041] like Figures 7 to 9 As shown, specifically, the chain-link transmission mechanism includes a first sprocket 7, a second sprocket 8, a second chain 9, a rotating rod 10, and a hinged link 11. The first sprocket 7 is mounted on a first rotating shaft 201, the second sprocket 8 is rotatably mounted on the housing 1, and the second chain 9 is wound around the first sprocket 7 and the second sprocket 8. The second sprocket 8 is provided with a sprocket shaft, and one end of the rotating rod 10 is fixedly connected to the sprocket shaft. One end of the hinged link 11 is rotatably connected to the other end of the rotating rod 10, and the other end of the hinged link 11 is rotatably connected to the middle of the side end of the extrusion plate 3.

[0042] When the geared motor 13 drives the compression roller 2 to rotate at a set speed via the chain drive mechanism, the compression roller 2 drives the second sprocket 8 to rotate synchronously via the first sprocket 7 and the second chain 9. At the same time, the rotating rod 10 is driven to rotate synchronously by the second sprocket 8. The rotating rod 10 then realizes the reciprocating oscillation of the extrusion plate 3 through the hinge rod 11. This invention can synchronously transmit the rotational power of the compression roller 2 to the extrusion plate 3 through the chain-link transmission mechanism, realizing the reciprocating oscillation of the extrusion plate 3 and the rotation of the compression roller 2 synchronously. There is no need to configure an additional drive unit for the extrusion plate 3, which further simplifies the equipment structure. Moreover, the transmission is smooth and the action is precise, which further improves the compaction effect on the bottle and avoids the accumulation and jamming of hollow bottles.

[0043] The chain-link transmission mechanism can be connected to one end of the first rotating shaft 201. Of course, in order to improve the stability of the transmission, the chain-link transmission mechanism can also be configured between both ends of the first rotating shaft 201 and the extrusion plate 3.

[0044] It should be noted that the extrusion plate 3 is rotatably mounted inside the housing 1 via the second rotating shaft 14, and the center of rotation of its reciprocating swing is the central axis of the second rotating shaft 14. As the main embodiment of the present invention, the central axis of the second rotating shaft 14 is set lower than the central axis of the first rotating shaft 201 of the compression roller 2. The installation positions of the two axes relative to the housing 1 remain fixed, and the extrusion plate 3 will never contact the compression roller 2 during the reciprocating swing.

[0045] In this embodiment, the minimum gap between the part of the extrusion plate 3 corresponding to the center of rotation and the outer contour of the compression roller 2 is defined as L0. This L0 is the basic rated volume reduction gap for the compression of the hollow bottle. During the reciprocating swing of the extrusion plate 3 around the second rotating shaft 14, there are two extreme working positions: when the upper end of the extrusion plate 3 swings to the position closest to the compression roller 2 (e.g. Figure 9 As shown in the diagram, the radial gap between the extrusion plate 3 near the second rotating shaft 14 and the outer circumference of the compression roller 2 is L1, which is slightly smaller than L0. At this time, the core compaction action of the hollow bottle is completed by the extrusion station corresponding to L1. L1 is the minimum compaction gap for the compression of the hollow bottle, which fully meets the compression and volume reduction requirements of the hollow bottle. When the upper end of the extrusion plate 3 swings to the position furthest from the compression roller 2, the feeding gap at the upper part of the compression area is greatly expanded, and the hollow bottle smoothly enters the compression area. At this time, the core compaction action of the hollow bottle is mainly completed by the extrusion station corresponding to L0, which can still compact the hollow bottle to the required volume reduction thickness and ensure a stable compression effect.

[0046] In this embodiment, during the reciprocating swing of the extrusion plate 3, the change in the compression gap is a preset regular change. No matter where the extrusion plate 3 is in the swing stroke, there is a stable minimum compaction gap (i.e., L1~L0), which can ensure that the hollow bottle entering the compression area is always compacted to the required volume reduction thickness, and the compression effect will not fail due to the swing of the extrusion plate 3.

[0047] In addition, the front end of the blade 2021 on the compression roller 2 is provided with a tip 20211 that bends in the direction of rotation. This tip can pierce the bottle wall first in the initial stage when the bottle enters the compression zone, completely release the air inside the bottle, eliminate the core cause of the bottle rebound, and ensure the volume reduction effect after compression even if there are slight dynamic changes in the compression gap, thereby further improving the compression stability.

[0048] As another optional embodiment of the present invention, the central axis of the second rotating shaft 14 can be aligned with and parallel to the central axis of the first rotating shaft 201. In this embodiment, the final forming gap between the lower end region of the extrusion plate 3 and the outer peripheral surface of the compression roller 2 remains almost unchanged throughout the entire stroke of the extrusion plate 3, which can further ensure the consistency of the forming thickness after the bottle is compressed.

[0049] It is worth mentioning that multiple rows of protrusions 301 are provided on the side of the extrusion plate 3 facing the compression roller 2, which can effectively increase the friction between the extrusion plate 3 and the hollow bottle, prevent the hollow bottle from slipping or spinning during the compression process, and prevent the hollow bottle from moving upward. In addition, the blade teeth 2021 of the compression roller 2 enhance the biting force and gripping force on the hollow bottle, so that the hollow bottle can enter the compression area more stably to complete the compaction.

[0050] Therefore, this invention adopts a single-axis compression structure, which forms a compression area that gradually narrows from top to bottom through a single compression roller 2 and an inclined extrusion plate 3. Compared with the existing double-roller structure, it breaks through the limitation of fixed meshing gap on bottle size, and can be adapted to the compression processing of large-capacity, irregularly shaped hollow bottles, greatly expanding the applicability of the equipment. The multiple compression toothed discs 202 of the compression roller 2 are distributed symmetrically into two groups from the middle. The adjacent compression toothed discs 202 in each group are circumferentially staggered, and the corresponding teeth 2021 of each group are arranged along the Archimedean spiral. This symmetrical spiral arrangement structure makes the meshing of the teeth 2021 with the hollow bottle a progressive contact, which significantly improves the biting and gripping force on thin-walled, low-friction hollow bottles, avoiding the problem of bottle slippage and bounce, and inability to be stably bitten in. During the process, the symmetrically arranged Archimedes spiral cutter teeth 2021 can disperse and transport the loose hollow bottles entering the compression zone, evenly dispersing the centrally fed hollow bottles into the compression zone and preventing them from spinning and accumulating in the compression zone. At the same time, the compression roller 2 and the extrusion plate 3 are driven to rotate and reciprocate simultaneously by the same drive device. There is no need to configure an additional independent drive unit and control system for the extrusion plate 3, which greatly simplifies the equipment structure. The reciprocating oscillation of the extrusion plate 3 can be combined with the rotation of the compression roller 2 to form a reciprocating compaction action on the bottles in the compression zone, further preventing the hollow bottles from spinning and accumulating. It can also achieve multiple rolling and compaction of the hollow bottles, effectively reducing the rebound rate of the bottles after compression, greatly improving the bottle volume reduction effect and compression processing efficiency, and enabling the equipment to operate continuously and stably for a long time.

[0051] The above description is merely a specific embodiment of this application, but the scope of protection of this application is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this application should be included within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.

Claims

1. A self-dispersing, anti-jamming single-shaft compression device, characterized in that, include: The housing (1) has a feed inlet (101) on its top. A compression roller (2) is rotatably mounted inside the housing (1) in the horizontal direction and is located below the feed inlet (101). The compression roller (2) includes a first rotating shaft (201) and a plurality of compression toothed discs (202). The plurality of compression toothed discs (202) are arranged and fixedly mounted on the first rotating shaft (201) at intervals along the axial direction. A plurality of teeth (2021) are arranged in a ring at equal intervals on the outer periphery of each compression toothed disc (202). The plurality of compression toothed discs (202) are divided into two symmetrical groups from the middle. The two adjacent compression toothed discs (202) in each group are staggered in the circumferential direction, and the corresponding teeth (2021) on each compression toothed disc (202) in each group are arranged along the Archimedean spiral. The extrusion plate (3) is rotatably installed inside the housing (1) and tilted on one side of the compression roller (2). A compression area with a width that gradually narrows from top to bottom is formed between the extrusion plate (3) and the compression roller (2). The compression area is set directly opposite the feed inlet (101). The device is connected to the compression roller (2) and the extrusion plate (3). The driving device is used to drive the compression roller (2) to rotate so as to cooperate with the extrusion plate (3) to compress the hollow bottle body entering the compression area. At the same time, the driving device is also used to drive the extrusion plate (3) to reciprocate relative to the compression roller (2).

2. The self-dispersing, anti-jamming single-shaft compression device according to claim 1, characterized in that, Each of the compression toothed discs (202) has a tip (20211) for piercing the hollow bottle body, and the tip (20211) is bent toward the rotation direction of the compression roller (2), and an arc-shaped extrusion surface (20212) is formed at the tooth tip (2021).

3. The self-dispersing, anti-jamming single-shaft compression device according to claim 1, characterized in that, A circular stop (2011) is provided near one end of the first rotating shaft (201). Multiple compression toothed discs (202) are mounted on the first rotating shaft (201) and stopped and limited by the circular stop (2011). A nut (204) for locking the compression toothed discs (202) is installed at the other end of the first rotating shaft (201). Each of the compression toothed discs (202) has a mounting hole (2022) in the middle that matches the first rotating shaft (201). With the cooperation of the mounting hole (2022) and the first rotating shaft (201), the compression toothed disc (202) can be restricted from rotating relative to the first rotating shaft (201).

4. The self-dispersing, anti-jamming single-shaft compression device according to claim 1, characterized in that, It also includes a chain drive mechanism, which is connected between the drive device and the compression roller (2); the chain drive mechanism includes a drive sprocket (4) mounted on the output shaft of the drive device, a follower sprocket (5) mounted on the first rotating shaft (201), and a first chain (6) wound around the drive sprocket (4) and the follower sprocket (5).

5. The self-dispersing, anti-jamming single-shaft compression device according to claim 4, characterized in that, It also includes a chain-link transmission mechanism, which is connected between the first rotating shaft (201) and the extrusion plate (3); the chain-link transmission mechanism includes a first sprocket (7), a second sprocket (8), a second chain (9), a rotating rod (10) and a hinge rod (11), the first sprocket (7) is mounted on the first rotating shaft (201), the second sprocket (8) is mounted on the housing (1), and the second chain (9) is wound around the first sprocket (7) and the second sprocket (8); a sprocket shaft is provided on the second sprocket (8), one end of the rotating rod (10) is fixedly connected to the sprocket shaft, and both ends of the hinge rod (11) are rotatably connected to the other end of the rotating rod (10) and the extrusion plate (3) respectively.

6. The self-dispersing, anti-jamming single-shaft compression device according to claim 1, characterized in that, It also includes a scraper (12) fixed on the housing (1), and a plurality of scraper teeth (1201) are arranged at intervals along the axial direction of the compression roller (2) on the scraper (12), and each scraper tooth (1201) extends into the gap between two adjacent compression tooth discs (202).

7. The self-dispersing, anti-jamming single-shaft compression device according to claim 6, characterized in that, The feed inlet (101) is a funnel shape with a large upper opening and a small lower opening. The housing (1) is also provided with a discharge port (102) located below the compression roller (2). The scraper (12) is located on the side of the discharge port (102) away from the extrusion plate (3).

8. The self-dispersing, anti-jamming single-shaft compression device according to claim 1, characterized in that, The extrusion plate (3) has multiple rows of protrusions (301) on the side facing the compression roller (2).

9. The self-dispersing, anti-jamming single-shaft compression device according to claim 1, characterized in that, The compression roller (2) also includes a plurality of spacers (203), which are all fitted on the first rotating shaft (201), and a spacer (203) is arranged between each of two adjacent compression toothed discs (202).

10. The self-dispersing, anti-jamming single-shaft compression device according to claim 1, characterized in that, The thickness of the compression toothed disc (202) is 0.5cm to 2.0cm, the gap between two adjacent compression toothed discs (202) is 0.5cm to 2.0cm, and the number of the toothed discs (2021) on each compression toothed disc (202) is 4 to 16.

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