Special forming equipment for biodegradable material

Abstract

The utility model provides special forming equipment for biodegradable materials, which comprises a base, a driving module, a shifting bin and a granulating bin are sequentially arranged at the upper end of the base, a discharge port is arranged at the front end of the shifting bin, a second dust removal port is arranged on one side of the discharge port, and a feed port and a first dust removal port are respectively arranged at the upper end and the side edge of the granulating bin. One side of the first dedusting port is connected with a positioning support, and the lower end of the positioning support is fixedly connected with the base. The device has the beneficial effects that the device realizes double dust removal of vibration stripping and negative pressure adsorption by matching the material stirring disc dust collection groove with the double dust removal ports and combining centrifugal vibration generated by elastic shaking of the vibration chassis, and the dust removal rate is high; the discharging shifting plate automatically breaks the materials, the vibration amplitude is controllable, and the materials are prevented from being damaged; the driving module intelligently adjusts the rotating speed, the positioning support guarantees stability, the overall structure is compact, efficient and clean, different materials are adapted, and the production quality and efficiency are improved.

Description

Technical Field

[0001] This utility model mainly relates to the field of biodegradable material manufacturing technology, specifically to a special molding equipment for biodegradable materials. Background Technology

[0002] Currently, mainstream biodegradable material molding equipment faces technical bottlenecks in the material feeding and granulation stages. After granulation, fine dust easily adheres to the surface of the material. If not effectively removed, it will affect the bonding strength of subsequent packaging and lamination processes or the hygiene standards of medical products. At the same time, the material needs to be broken by mechanical force during feeding. Traditional rigid feeding structures are prone to uneven fracture surfaces or localized breakage, reducing the yield. The vibration components of the equipment are mostly fixed connections, making it difficult to adjust the vibration frequency and amplitude. This makes it unsuitable for biodegradable materials of different densities and moisture content, limiting the equipment's versatility.

[0003] The existing dust removal systems are mostly single-port adsorption systems, which can only handle floating dust in the granulation bin. They have limited adsorption effect on dust adhering to the surface of the material on the feeding plate, causing dust to enter the next process with the material, polluting the production environment and affecting product quality. The vibration devices mostly generate vibration by directly driving the eccentric block with a motor. The vibration transmission path is short and intense, which can easily cause excessive crushing of materials and affect production quality.

[0004] It should be noted that the above content falls within the scope of the inventor's technical knowledge. Due to the vast and complex nature of the technical content in this field, the above content of this application does not necessarily constitute prior art. Utility Model Content

[0005] 1. The technical problem to be solved by the utility model:

[0006] This invention provides a special molding equipment for biodegradable materials to solve the technical problems existing in the background art.

[0007] 2. Technical Solution:

[0008] To achieve the above objectives, the technical solution provided by this utility model is as follows: a special molding equipment for biodegradable materials, including a base, a drive module, a feeding bin, and a granulation bin are sequentially arranged on the upper end of the base. The feeding bin has a discharge port at its front end and a second dust removal port on one side of the discharge port. The granulation bin has a feeding port and a first dust removal port respectively on its upper end and side. A positioning support is connected to one side of the first dust removal port. The lower end of the positioning support is fixedly connected to the base. The feeding bin includes a feeding disc and a bin body baffle arranged around the feeding disc. A vibrating base is provided at the lower end of the feeding disc. The vibrating base is connected to and coaxially arranged with the drive shaft of the drive module.

[0009] Furthermore, a dust collection groove is provided on the feeding disc, and the height of the first dust removal port is set to correspond to the height of the dust collection groove. The lower end of the feeding disc is fixedly connected to the vibrating chassis.

[0010] Furthermore, the vibration chassis includes a base plate and a cover plate, with a swing plate between the base plate and the cover plate. Multiple telescopic springs are provided at the edge of the swing plate, and a positioning post is provided on the base plate. One end of the telescopic spring is connected to a pre-drilled hole at the edge of the swing plate, and the other end is sleeved on the positioning post.

[0011] Furthermore, both the sling plate and the base plate are coaxial with the drive end of the drive module. The sling plate is annular, and there is a certain distance between the inner ring of the sling plate and the drive shaft of the drive module.

[0012] Furthermore, the granulation chamber includes a forming cavity, the upper end of which is provided with a sealing cover. The feed inlet and the first dust removal port are both located on the sealing cover, and the forming cavity is located inside the feeding hopper.

[0013] Furthermore, a material feeding ring channel is formed between the baffle of the feeding bin and the outer wall of the forming cavity, and a material feeding plate is provided in the material feeding ring channel.

[0014] Furthermore, the drive module is a horizontal rotary table, one end of the drive shaft of the drive module extends into the vibration chassis, and the lower end of the drive module is fixed to the base.

[0015] 3. Beneficial effects:

[0016] Compared with the prior art, the technical solution provided by this utility model has the following advantages:

[0017] This utility model is reasonably designed. The equipment uses a material feeding plate dust collection trough and a double dust removal port in combination with centrifugal vibration generated by the elastic shaking of the vibrating chassis to achieve dual dust removal of "vibration peeling + negative pressure adsorption", resulting in a high dust removal rate. The feeding plate automatically breaks the material, and the vibration amplitude is controllable to avoid material damage. The drive module intelligently adjusts the speed, and the positioning support ensures stability. The overall structure is compact, efficient and clean, adaptable to different materials, and improves production quality and efficiency.

[0018] It should be noted that the structures not described in this utility model are the same as or can be implemented using existing technology, and will not be elaborated here, as they do not involve the design points and improvement directions of this utility model. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0020] Figure 2This is an exploded view of the overall structure of this utility model;

[0021] Figure 3 This is a partial structural schematic diagram of the present invention;

[0022] Figure 4 This is a partial structural diagram of the present invention.

[0023] Figure label:

[0024] 1. Base; 2. Drive module; 3. Feeding bin; 301. Feeding disc; 3011. Dust collection trough; 302. Bin body baffle; 303. Vibration chassis; 3031. Base plate; 3032. Cover plate; 3033. Throwing disc; 3034. Telescopic spring; 3035. Positioning column; 304. Feeding ring; 305. Feeding feeder; 4. Granulation bin; 401. Forming cavity; 402. Sealing cover; 5. Discharge port; 6. Second dust removal port; 7. Feed inlet; 8. First dust removal port; 9. Positioning support. Detailed Implementation

[0025] To facilitate understanding of this utility model, a more comprehensive description of the utility model will be given below with reference to the accompanying drawings, which show several embodiments of the utility model. However, the utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that the disclosure of the utility model will be more thorough and complete.

[0026] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "page", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0027] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0028] In this utility model, unless otherwise explicitly specified and limited, the terms "installed," "connected," "linked," "fixed," "provided with," and "located in" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances. Example

[0029] See attached document Figure 1-4 The basic support structure of the special molding equipment for biodegradable materials is the base 1. Along the equipment's operating flow, the upper end of the base 1 is sequentially arranged a drive module 2, a feeding bin 3, and a pelletizing bin 4. From a spatial layout perspective, the drive module 2, serving as the power source, is horizontally fixed in the center of the base 1, with its drive shaft extending vertically upwards to provide rotational power to the vibrating chassis 303 above. The feeding bin 3 is located adjacent to the drive module 2 and has a cylindrical cavity structure. A discharge port 5 is located at the center of the front end for discharging pre-processed materials. A second dust removal port 6 is parallel to the right side of the discharge port 5 and connected to an external dust collection device, which can adsorb dust generated during the feeding process in real time. The pelletizing bin 4 is located above and behind the feeding bin 3. Its upper end and right side are respectively equipped with a feeding port 7 and a first dust removal port 8. The former is used to feed in the biodegradable materials to be processed, while the latter is connected to a positioning support 9. The positioning support 9 is L-shaped, with its lower end fixed to the right side of the base 1 by bolts, and its upper end supporting and fixing the first dust removal port 8, ensuring the pelletizing bin 4 remains stable during vibration.

[0030] The core components of the feeding bin 3 are the central feeding disc 301 and the outer bin body baffle 302. The bin body baffle 302 surrounds the feeding disc 301 to form an annular cavity. The vibrating chassis 303 is coaxially connected below the feeding disc 301. Its center is fixed to the drive shaft of the drive module 2 through a flange to ensure that the rotation axes of the two are completely coincident, so as to realize the stable transmission of power.

[0031] The upper surface of the feeding disc 301 has multiple dust collection grooves 3011 arranged in a ring. These grooves are inclined recesses with a depth matching the expected accumulation height of the material dust. Their circumferential positions are precisely aligned with the height of the first dust removal port 8 on the side of the granulation chamber 4. The central axis of the first dust removal port 8 is at the same horizontal level as the bottom of the dust collection groove 3011, facilitating the precise suction of dust by the dust extraction equipment using negative pressure. The lower end of the feeding disc 301 is rigidly connected to the cover plate 3032 of the vibrating chassis 303 by bolts, ensuring the vibration... The efficient transfer of kinetic energy is achieved when the biodegradable material is formed in the pelleting chamber 4. After being formed, it is broken off by the feeding plate 305 located in the feeding ring channel 304 and falls onto the surface of the feeding disc 301. As the feeding disc 301 rotates to the direction of the discharge port 5, the vibrating base 303 synchronously generates high-frequency small-amplitude vibration, causing the dust attached to the surface of the material to detach due to inertia and fall into the dust collection tank 3011. At the same time, the external dust collection equipment continuously adsorbs dust through the second dust removal port 6 to prevent dust from accumulating in the feeding chamber 3 and ensure the cleanliness of the material.

[0032] The vibration chassis 303 adopts a multi-layer composite structure, including a bottom plate 3031, a top cover plate 3032, and a middle swing plate 3033. The bottom plate 3031 is fixed to the top of the drive shaft of the drive module 2. The cover plate 3032 is connected to the bottom plate 3031 by bolts to form a closed cavity. The swing plate 3033 is annular and nested above the bottom plate 3031. At least three sets of telescopic springs 3034 are evenly distributed radially along its edge. Each set of springs is arranged radially, with one end inserted into a reserved hole on the edge of the swing plate 3033 and the other end sleeved on a positioning post 3035 on the bottom plate 3031. The positioning post 3035 provides radial guidance and limitation for the spring. A limiting cap is provided at the top of the positioning post 3035 to prevent the spring from falling off.

[0033] When the drive module 2 rotates the base plate 3031, the slinger 3033 experiences a slight radial eccentricity due to centrifugal force. The radially arranged telescopic springs 3034 periodically expand and contract radially under the centrifugal force. Combined with the radial limiting and guiding of the positioning pins 3035, this causes the slinger 3033 to produce controllable radial swaying, forming nonlinear vibration. The radial arrangement of the telescopic springs 3034 provides a clear radial displacement degree of freedom, not just axial expansion and contraction. The swaying amplitude of the slinger 3033 is precisely controlled by the spring stiffness and the spacing of the positioning pins, ensuring that the feeding disc 301 obtains a certain amplitude of vibration, effectively removing dust while preventing material damage from severe vibration. The geometric centers of both the slinger 3033 and the base plate 3031 coincide with the drive shaft axis of the drive module 2, ensuring that the rotation... The uniform force distribution during the process reduces noise and wear caused by eccentric vibration. The inner diameter of the slinger 3033 is larger than the outer diameter of the drive shaft, forming an annular gap that provides ample space for the radial sway of the slinger 3033. Its outer diameter is matched with the inner diameter of the cover plate 3032 to avoid friction with the inner wall of the cavity. This annular design makes the mass of the slinger 3033 evenly distributed around the circumference. At a certain speed, the centrifugal force at the edge is converted into a periodic vibration load through the telescopic spring 3034 and transmitted to the feed plate 301 through the cover plate 3032, realizing the composite motion of "rotation drive + vibration separation". The radial sway of the slinger 3033 is achieved by the coordinated action of radial centrifugal force, radial spring deformation and positioning column limit. The evenly distributed radial springs form an elastic floating support, which can stably realize the periodic radial sway.

[0034] The core functional component of the granulation chamber 4 is the forming cavity 401. The forming cavity 401 contains a pressure roller module for extruding materials. It is wrapped with a sealing cover 402. The top center of the sealing cover 402 has a feed port 7, which connects to the material conveying pipe above to achieve automated feeding. The first dust removal port 8 on the left side is rigidly connected to the positioning support 9. It is connected to the pulse dust collector through a pipe inside to adsorb fine particles generated during the granulation process. The lower end of the forming cavity 401 is embedded in the feeding bin 3, maintaining a vertical distance of 10mm from the feeding plate 301 to ensure that the formed material can fall smoothly onto the surface of the feeding plate 301, while avoiding direct contact between the two and causing wear.

[0035] An annular channel, namely the feeding ring channel 304, is formed between the baffle 302 of the feeding bin 3 and the outer wall of the forming cavity 401. Two sets of feeding baffles 305 are evenly distributed in the inner circumference of the feeding ring channel 304. Each set of baffles is fixed at a 45° angle to the edge of the feeding disc 301 and rotates synchronously with the feeding disc 301. When the material in the forming cavity 401 is extruded into rods or blocks, it is extruded from the side wall of the forming cavity 401 into the feeding ring channel 304. When the feeding baffles 305 rotate, they break the material into particles of a predetermined length. The broken particles are thrown towards the baffle 302 due to inertia, and then slide down the inner wall to the surface of the feeding disc 301, entering the subsequent dust separation process.

[0036] The drive module 2 adopts a high-precision servo horizontal rotary table, the lower end of which is fixed to the base 1 by anchor bolts. The upper drive shaft is connected to the base plate 3031 of the vibrating chassis 303 by spline to ensure that the power transmission is slip-free. The drive shaft extends into the vibrating chassis 303 and is interference-fitted with the center hole of the base plate 3031. At the same time, a dustproof sealing ring is set at the shaft shoulder to prevent dust from entering the chassis cavity. The drive module 2 adjusts the speed in real time through the PLC control system. It can dynamically adjust the rotation speed of the feeding plate 301 and the swaying amplitude of the vibrating chassis 303 according to the material characteristics (such as density and humidity) to achieve intelligent matching of process parameters.

[0037] Dust collection and separation system: After the material is formed in the granulation chamber 4, it is broken by the feeding plate 305 and falls to the feeding plate 301. When the feeding plate 301 rotates, the vibrating base 303 generates high-frequency vibration through the shaking of the telescopic spring 3034, causing the dust on the surface of the particles to fall off. The dust collection tank 3011 uses centrifugal force and vibration to gather the dust to the height of the first dust removal port 8. The external dust collection equipment simultaneously adsorbs the dust through the second dust removal port 6 and the first dust removal port 8, forming a dual dust removal mechanism of "vibration peeling + negative pressure collection".

[0038] Working principle of the vibrating chassis: When the drive module 2 drives the base plate 3031 to rotate, the sling plate 3033 deviates from the central axis due to centrifugal force. The telescopic spring 3034 is stretched or compressed, generating a periodic elastic restoring force. This force is coupled with the centrifugal force, causing the sling plate 3033 to reciprocate around the positioning column 3035 as the fulcrum. The vibration is then transmitted to the feeding plate 301 through the cover plate 3032. The vibration frequency is positively correlated with the drive speed, and the amplitude is determined by the spring stiffness and the mass of the sling plate. By adjusting the speed of the drive module 2, the vibration parameters can be precisely controlled to meet the dust separation requirements of materials with different particle sizes.

[0039] In summary, by working together with the dust collection and separation system and the vibrating chassis, the vibration parameters are precisely controlled to adapt to the dust separation requirements of materials with different particle sizes, achieving a dual dust removal mechanism of "vibration stripping + negative pressure collection", which effectively improves the dust removal rate.

[0040] The above-described embodiments are merely illustrative of certain implementations of this utility model, and their descriptions are relatively specific and detailed. However, they should not be construed as limiting the scope of this utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these modifications and improvements all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A special molding equipment for biodegradable materials, characterized in that: The device includes a base (1), on which a drive module (2), a feeding bin (3) and a granulation bin (4) are sequentially arranged. The feeding bin (3) has a discharge port (5) at its front end and a second dust removal port (6) on one side of the discharge port (5). The granulation bin (4) has a feeding port (7) and a first dust removal port (8) on its upper end and side, respectively. A positioning support (9) is connected to one side of the first dust removal port (8). The lower end of the positioning support (9) is fixedly connected to the base (1). The feeding bin (3) includes a feeding disc (301) and a bin body baffle (302) arranged around the feeding disc (301). The lower end of the feeding disc (301) is provided with a vibrating chassis (303). The vibrating chassis (303) is connected to and coaxially arranged with the drive shaft of the drive module (2).

2. The special molding equipment for biodegradable materials according to claim 1, characterized in that: The feeding disc (301) is provided with a dust collection groove (3011), and the height of the first dust removal port (8) is set to correspond to the height of the dust collection groove (3011). The lower end of the feeding disc (301) is fixedly connected to the vibrating chassis (303).

3. The special molding equipment for biodegradable materials according to claim 1, characterized in that: The vibration chassis (303) includes a base plate (3031) and a cover plate (3032). A swing plate (3033) is provided between the base plate (3031) and the cover plate (3032). Multiple telescopic springs (3034) are provided at the edge of the swing plate (3033). A positioning post (3035) is provided on the base plate (3031). One end of the telescopic spring (3034) is connected to a reserved hole at the edge of the swing plate (3033), and the other end is sleeved on the positioning post (3035).

4. The special molding equipment for biodegradable materials according to claim 3, characterized in that: The sling plate (3033) and the base plate (3031) are both coaxial with the drive end of the drive module (2). The sling plate (3033) is annular, and there is a certain distance between the inner ring of the sling plate (3033) and the drive shaft of the drive module (2).

5. The special molding equipment for biodegradable materials according to claim 1, characterized in that: The pelleting chamber (4) includes a forming cavity (401), and a sealing cover (402) is provided at the upper end of the forming cavity (401). The feed inlet (7) and the first dust removal port (8) are both provided on the sealing cover (402). The forming cavity (401) is located inside the feeding chamber (3).

6. The special molding equipment for biodegradable materials according to claim 5, characterized in that: A feeding ring channel (304) is formed between the baffle plate (302) of the feeding bin (3) and the outer wall of the forming cavity (401), and a feeding feeding plate (305) is provided in the feeding ring channel (304).

7. The special molding equipment for biodegradable materials according to claim 1, characterized in that: The drive module (2) is a horizontal rotary table. One end of the drive shaft of the drive module (2) extends into the vibration chassis (303), and the lower end of the drive module (2) is fixed on the base (1).

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