Screening cylinder structure for screening plastic bottle pieces
By combining a gear and ring rotation and vibration mechanism in the plastic bottle flake screening device, the problems of incomplete screening and inconvenient impurity collection are solved, achieving highly efficient and automated separation of plastic bottle flakes and impurities, and improving production efficiency.
Patent Information
- Application Number
- CN202520127207.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-20
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-01-20
AI Technical Summary
Existing plastic bottle flake screening devices use a single screening method, which is prone to incomplete screening and inconvenient to collect impurities, affecting subsequent processes. Furthermore, the lack of automated collection mechanisms leads to low efficiency.
The system employs a rotating screening method combining a gear ring and a gear mechanism with a vibration mechanism to achieve efficient screening by combining rotation and vibration. Bottle flakes are automatically collected by a pushing mechanism, and impurities are collected by a drawer.
It achieves efficient and thorough separation of plastic bottle flakes and impurities, reduces manual intervention, improves screening efficiency and automation, and avoids the spillage of impurities.
Smart Images
Figure CN223946127U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to plastic bottle piece processing technology field, especially a screening cylinder structure for screening plastic bottle piece. BACKGROUND
[0002] Before the plastic bottle piece is fused and processed, the dirt on the collected plastic bottle piece is washed clean through washing and rinsing, and some relatively large impurities such as stone, broken wood and iron filings are separated, but some small impurities are still in the plastic bottle piece, so a screening device is needed to separate the small impurities from the plastic bottle piece to avoid affecting the subsequent processing of the plastic bottle piece; currently, a screen is usually used for screening or the plastic bottle piece is poured into a screening cylinder, and the impurities are separated from the plastic bottle piece through vibration or rotation of the screening cylinder, and then the impurities are poured out from the discharge opening manually, which is low in efficiency and not automatic.
[0003] Moreover, the existing screening cylinder can only screen the impurities through vibration or rotation, the screening method is single, the screening is not complete, some dead angles cannot be cleaned, the impurities are not completely screened, and the subsequent process flow is affected; meanwhile, no suitable and reasonable collecting mechanism is arranged in the existing device, the impurities after screening are scattered everywhere, and the plastic bottle piece can only be collected manually, which is not convenient and low in efficiency, and the finishing work after screening is completed is troublesome, so it is necessary to improve.
[0004] Therefore, based on the deficiencies of the existing device according to customer feedback, the inventor improves further according to the defects and deficiencies to overcome the above problems. CONTENT OF THE UTILITY MODEL
[0005] The utility model aims at overcoming the defects of the prior art, and provides a screening cylinder structure for screening plastic bottle piece, which realizes efficient screening, avoids incomplete screening, and facilitates collection and separation of impurities and plastic bottle piece.
[0006] The utility model discloses the purpose is realized through the following technical scheme: a screening cylinder structure for screening plastic bottle piece, including screen cylinder, outer frame,
[0007] The screen cylinder is rotatably arranged in the outer frame, a plurality of screen holes are formed in the cylindrical side surface of the screen cylinder, and a gear ring is arranged on the screen cylinder; the gear ring is engaged with a gear, and the gear driven by a power source is rotatably arranged in the outer frame;
[0008] The outer frame is provided with a feeding part on one side, and the tail end of the feeding part is opposite to the feeding opening on one side of the screen cylinder; the outer frame is provided with a discharge opening on the other side, and the discharge opening is opposite to the discharge opening on the other side of the screen cylinder; a pushing mechanism is formed on the outer frame on the side of the feeding opening of the screen cylinder, and the pushing mechanism can extend into the screen cylinder to push the plastic bottle piece.
[0009] The plastic bottle pieces with impurities are poured into the screen cylinder through the feeding part, at this time the driving power source drives the gear to rotate, thereby driving the meshing gear ring to rotate, since the gear ring is installed on the screen cylinder, the screen cylinder rotates with the gear, and the impurities are thrown out of the screen hole; after stopping rotating, the driving pushing mechanism extends into the screen cylinder to push the qualified plastic bottle pieces to the discharge port.
[0010] As a preferred technical scheme of the present application, the mounting box is arranged in the outer frame, the mounting box comprises a front half frame and a rear half frame; the front and rear half frames can be mutually spliced, and the splicing surfaces of the two half frames are provided with arc surfaces; the screen cylinder is horizontally arranged and can be adaptively inserted between the front and rear half frames.
[0011] As a preferred technical scheme of the present application, the arc surfaces of the front and rear half frames are provided with tracks, the track is a circular groove recessed inwardly towards the arc surface, and the screen cylinder is provided with a protruding arc strip on the corresponding side surface of the circular cylinder, the arc strip is adaptively inserted into the track, so that the screen cylinder is more stable when rotating.
[0012] As a preferred technical scheme of the present application, the left and right gear rings are respectively arranged on the circumferential sides of the two side ports of the screen cylinder; the left and right gear rings are respectively meshed with the left and right gears; the left and right gears are respectively connected with a motor B; the left and right gears are driven to rotate by the motor B, thereby driving the screen cylinder to rotate.
[0013] As a preferred technical scheme of the present application, the pushing mechanism comprises an electric push rod and a pushing shovel; the electric push rod is arranged on the side plate of the outer frame, the end of the push rod is connected with a pushing shovel, the pushing shovel is opposite to the feeding opening of the screen cylinder, and the electric push rod is driven to move forward, so that the pushing shovel extends into the screen cylinder to push the bottle pieces.
[0014] As a preferred technical scheme of the present application, the feeding part comprises an opening frame and a rotating rod; the opening frame is wide at the top and narrow at the bottom, and the opening frame is fixed to the top plate of the outer frame; the rotating rod is connected with the motor A and is rotatably arranged in the opening frame; a plurality of vanes are arranged on the rotating rod, so that the plastic bottle pieces can be quantitatively downwardly conveyed.
[0015] As a preferred technical scheme of the present application, the lower end surface of the mounting box is open and connected with a drawer, a handle is arranged on the drawer, and the impurities fall into the drawer and are poured out through the handle.
[0016] As a preferred technical scheme of the present application, the top of the outer frame is further provided with a vibrating mechanism, the vibrating mechanism comprises a rotating shaft and an eccentric block; the rotating shaft is connected with the outer frame through an ear pin, and the two ends of the rotating shaft are connected with vibrating motors; the eccentric block is arranged at the end of the rotating shaft; when the vibrating motor drives the rotating shaft to rotate, the screen cylinder vibrates due to the eccentric force of the eccentric block, so that the screening force is increased.
[0017] As a preferred technical solution of this application, buffer springs are connected at the four corners of the bottom of the outer frame, and the buffer springs are connected to the outer frame through mounting brackets.
[0018] This utility model has the following advantages:
[0019] (1) More efficient screening of plastic bottle flakes and impurities;
[0020] Existing screening cylinders typically rely solely on vertical vibration or cylinder rotation for screening, resulting in incomplete screening and impacting subsequent processes. This solution utilizes a gear ring and gear mechanism to achieve cylinder rotation, while simultaneously incorporating a vibration mechanism to vibrate the cylinder vertically. This combination of rotational and vibration screening enables highly efficient screening, preventing incomplete screening and the retention of impurities.
[0021] (2) It can easily collect separated impurities and plastic bottle fragments;
[0022] The existing equipment does not have a suitable and reasonable collection mechanism, and bottle flakes can only be collected manually, which is not automated enough. This solution uses a pushing mechanism to automatically collect bottle flakes in the sieve cylinder. After screening, the pushing mechanism automatically pushes the bottle flakes in the sieve cylinder to the discharge port for collection. At the same time, a drawer for storing impurities is set up to prevent impurities from being thrown out of the sieve holes and spilling. Attached Figure Description
[0023] Figure 1 This is a first-view structural schematic diagram of the present invention;
[0024] Figure 2 This is a structural schematic diagram of the present invention from a frontal view.
[0025] Figure 3 This is a structural diagram of the exposed screen cylinder and outer frame installation structure of this utility model;
[0026] Figure 4 This is a first-view structural schematic diagram of the sieve cylinder of this utility model;
[0027] Figure 5 This is a structural schematic diagram of the sieve cylinder of this utility model from a second perspective;
[0028] Figure 6 This is a schematic diagram of the material pushing mechanism of this utility model;
[0029] Figure 7 This is a first-view structural schematic diagram of the feed section of this utility model;
[0030] Figure 8 This is a structural schematic diagram of the feed section of this utility model from a second perspective.
[0031] Figure 9 It is a structure schematic view of the vibration mechanism of the utility model;
[0032] Figure 10 It is a structure schematic view of the first perspective of the half frame of the utility model;
[0033] In the figure: 1 - outer frame, 2 - open frame, 3 - rotating rod, 4 - rotating shaft, 5 - pushing mechanism, 6 - gear, 7 - gear ring, 8 - screen cylinder, 9 - mounting box, 10 - buffer spring, 11 - circular arc surface, 12 - track, 13 - eccentric block, 14 - motor A, 15 - motor B. DETAILED DESCRIPTION
[0034] The utility model will be further described below in combination with the drawings, but the protection scope of the utility model is not limited to the following.
[0035] It should be noted that the orientation or positional relationship indicated by "left", "right" and the like is based on the orientation or positional relationship shown in the drawings, or is the orientation or positional relationship commonly used when the product is used, or is the orientation or positional relationship commonly understood by those skilled in the art. Such terms are only used to facilitate the description of the utility model and simplify the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.
[0036] It should be noted that the embodiments in the utility model and the features and technical solutions in the embodiments can be combined with each other without conflict.
[0037] Therefore, based on the above problems, referring to Figure 1 The utility model provides a screening cylinder structure for screening plastic bottle pieces to solve the problem.
[0038] (embodiment)
[0039] Referring to Figures 1-10 The screening cylinder structure for screening plastic bottle pieces provided in the embodiment includes an outer frame 1, a screen cylinder 8 and a pushing mechanism 5, a gear 6;
[0040] Among them, referring to Figure 3 The outer frame 1 is provided with the screen cylinder 8, and the screen cylinder 8 is horizontally arranged. A plurality of screen holes are formed in the cylindrical side surface of the screen cylinder 8, and only fine impurities can pass through the screen holes. The two end surfaces of the screen cylinder 8 are open, which are respectively an inlet opening and an outlet opening. A gear ring 7 is fixedly arranged outside the screen cylinder 8, and a gear 6 is arranged beside the gear ring 7. The gear 6 is driven to rotate by a motor B 15.
[0041] Among them, referring to Figures 2-3The side of the outer frame 1 is provided with a feeding part, and the tail end opening of the feeding port is opposite to the feeding opening of the screen cylinder 8, so as to facilitate the conveying of the plastic bottle pieces into the screen cylinder 8 for screening. The other side of the outer frame 1 is provided with a discharging port, and the discharging port is opposite to the discharging opening of the screen cylinder 8. A pushing mechanism 5 is arranged on the side of the outer frame 1, and the pushing mechanism 5 is arranged on the side plate of the outer frame 1. The pushing mechanism 5 extends into the screen cylinder 8 and pushes the plastic bottle pieces to the discharging port.
[0042] Referring to Figure 3 A vibration mechanism is arranged on the top plate of the outer frame 1, and a buffer spring 10 is arranged below the bottom plate of the outer frame 1. The vibration mechanism drives the outer frame 1 and the screen cylinder 8 in the outer frame 1 to vibrate in the up-down direction, so as to increase the screening intensity of the materials.
[0043] During screening, a large number of plastic bottle pieces mixed with fine impurities are poured into the screen cylinder 8 through the feeding part. At this time, the driving motor B15 drives the gear 6 to rotate, so as to drive the meshing gear ring 7 to rotate. Since the gear ring 7 is fixedly arranged outside the screen cylinder 8, the screen cylinder 8 rotates synchronously with the gear 6, and the impurities are thrown out of the screen hole to realize the separation of the impurities and the bottle pieces. At the same time, the vibration mechanism is driven to vibrate the screen cylinder 8 up and down, so as to accelerate the falling of the fine impurities from the screen hole. After the screen cylinder 8 stops, the pushing mechanism 5 is driven to extend into the screen cylinder 8, and the qualified plastic bottle pieces are pushed to the discharging port through the discharging opening.
[0044] The existing screen cylinder can only screen impurities by vibration or rotation, and the screening method is single, which may cause incomplete screening and affect the subsequent process flow. Meanwhile, the existing device does not have a suitable and reasonable collecting mechanism, and the bottle pieces can only be collected manually, which is not automatic. The present scheme designs a screen cylinder structure, which is provided with a gear ring 7 and a gear 6 to realize the rotation of the screen cylinder. At the same time, a vibration mechanism is arranged to realize the up-down vibration. The combination of rotary screening and vibration screening can realize efficient screening and avoid incomplete screening and impurity retention. At the same time, the pushing mechanism 5 is arranged, which automatically pushes the bottle pieces in the screen cylinder 8 to the discharging port after screening, without manual collection, so as to reduce time and effort and improve work efficiency.
[0045] In the embodiment, referring to Figures 1-3 and Figure 10For the outer frame 1, the mounting box 9 is arranged in the outer frame 1, and the mounting box 9 comprises a front half frame and a rear half frame; the front half frame and the rear half frame are the same in shape and can be assembled together, the assembly surface of the two plate frames is a circular arc surface 11, the left side surface and the right side surface of the mounting box 9 after being assembled together are respectively provided with a circular through hole, and the screen cylinder 8 can be adaptively inserted into the mounting box 9; a track 12 is arranged in the circular arc surface 11 of the front half frame and the rear half frame, the track 12 is a circular groove recessed towards the inner side of the circular arc surface 11, and a protruding circular arc strip is arranged on the opposite cylindrical side surface (i.e. the position opposite to the circular arc surface 11) of the screen cylinder 8, the circular arc strip is adaptively inserted into the track 12, and the overall structure of the screen cylinder 8 is more stable during rotation.
[0046] It should be noted that the mounting box 9 is arranged in the structure of the front half frame and the rear half frame being spliced together, so that the overall device can be conveniently installed or disassembled.
[0047] In the embodiment, referring to Figures 3-5 For the screen cylinder 8, a left tooth ring and a right tooth ring are arranged on the two side port edges of the screen cylinder 8 around the circumference of the screen cylinder 8, and a gear 6 (i.e. a left gear and a right gear) is arranged beside each of the left tooth ring and the right tooth ring, the left gear and the right gear are respectively connected with a motor B15, the motor B15 is fixed with the outer frame 1, the left gear and the right gear are driven to rotate by driving the motor B15, so as to drive the screen cylinder 8 to rotate, impurities are screened out by rotation, and the impurities are thrown out of the screen hole due to centrifugal force.
[0048] It should be noted that the impurity filtering effect of the scheme is good, a plurality of screen holes are arranged on the screen cylinder 8, the screening result for normal plastic bottle piece size is very accurate and reliable, and when the screening method and device of the application are used for screening, the impurities with smaller size are more easily thrown out of the screen hole in the rotating process, so that the plastic bottle pieces with larger size are screened out.
[0049] Further, the mounting box 9 is open at the lower end, the impurities thrown out by the screen cylinder 8 fall into the drawer for collecting impurities due to gravity, so that the impurities are avoided from being scattered everywhere and affecting the surrounding environment.
[0050] In the embodiment, referring to Figure 2 , Figure 4 and Figure 6 For the pushing mechanism, the pushing mechanism comprises an electric push rod and a push shovel; the motor of the electric push rod is installed on the left side plate of the outer frame 1, the motor extends the electric push rod, and the end of the electric push rod is provided with a push shovel; the push shovel is opposite to the feeding opening of the screen cylinder 8, the push shovel has an inclined surface and a pointed bottom end, and the push shovel is convenient for being inserted into the screen cylinder 8 and pushing the bottle pieces forward to the discharge port.
[0051] It should be noted that the pushing mechanism 5 can also use a pneumatic cylinder machine in addition to the electric push rod, which has high production efficiency: on the one hand, the scheme uses a motor as a power source, which can ensure sufficient power; on the other hand, since generally a production line needs to be equipped with multiple manual workers to complete the production process, the scheme automatically completes all steps, saving labor costs.
[0052] In this embodiment, referring to Figure 4 、 Figure 7 and Figure 8 , for the feeding part, the feeding part includes an open frame and a rotating rod 3; the open frame is wide at the top and narrow at the bottom, the lower part of the open frame has a slope facing the feeding opening of the screen cylinder 8, and a rotating rod 3 is arranged through the open frame, the end of the rotating rod 3 extends through the side frame surface of the open frame and is connected with the motor A14, a plurality of fan blades are arranged on the rotating rod 3, the fan blades are arranged at equal intervals around the circumference, a large number of plastic bottle pieces are poured into the open frame from the top opening, the driving motor A14 is driven to rotate the rotating rod 3, so that the plastic bottle pieces are orderly transported into the screen cylinder 8, compared with the feeding port of the general screening cylinder, the feeding part of the scheme can effectively avoid the blockage of the raw materials during feeding.
[0053] In this embodiment, referring to Figure 2 and Figure 9 , for the vibration mechanism, the vibration mechanism includes a base and a vibration motor, a rotating shaft 4; the lower surface of the base is fixedly connected with the upper surface of the top plate of the outer frame 1, two ears are arranged on the upper surface of the base, a rotating shaft 4 is inserted into the two ears, the left and right ends of the rotating shaft 4 are connected with the vibration motor, and eccentric blocks 13 are inserted into the left and right ends of the rotating shaft 4; when the rotating shaft 4 is driven to rotate by the vibration motor, the eccentric blocks 13 rotate, generating a polarization force to make the connected outer frame 1 vibrate in the up-down direction, i.e. the screen cylinder 8 moves in the up-down direction, and the buffer springs 10 are connected to the four corners of the bottom of the outer frame 1, which can buffer the vibration of the outer frame 1, through the vibration mechanism, the screening force of the impurities can be increased, and the blockage of the materials at the feeding part and the discharge port can be avoided, and the screening efficiency is improved.
[0054] It should be noted that the buffer spring 10 is connected with the outer frame 1 through the triangular mounting seat, and the overall device is more stable in connection.
[0055] Further, the installation box 9 has an opening at the lower end and is connected with a drawer, a handle is arranged on the drawer, the impurities fall into the drawer and are poured out through the handle, effectively avoiding the scattering of impurities.
[0056] When working, the plastic bottle pieces are poured into the sieve cylinder 8 through the feeding part, the driving motor A 14 drives the rotating rod 3 to rotate, the bottle pieces enter the sieve cylinder 8 in order and slowly, then the driving motor B 15 and the vibration motor work, the motor B 15 drives the gear 6 to rotate so as to drive the sieve cylinder 8 to rotate, the vibration motor drives the outer frame 1 to drive the sieve cylinder 8 to vibrate in the up-down direction, so as to separate the impurities from the bottle pieces, the impurities fall into the drawer through the sieve holes, and the bottle pieces remain in the sieve cylinder 8, at this time, the electric push rod is driven to make the push shovel forwardly extend into the sieve cylinder 8 to push the bottle pieces to the discharge port, so as to collect the plastic bottle pieces.
[0057] At present, the sieve cylinder for screening the plastic bottle pieces can only screen the impurities by vibration or rotation, the screening mode is single, the screening may not be complete, some dead angles may exist and cannot be cleaned, the screening is not complete, some impurities are not screened out, and the subsequent process flow is affected; meanwhile, the existing device does not set a suitable and reasonable collecting mechanism, the impurities after screening are scattered everywhere, and the bottle pieces can only be collected manually, which is not convenient and low in efficiency, and the finishing work after screening is completed is troublesome; the scheme designs a sieve cylinder, the gear 6 driven to rotate by the motor B 15 is matched with the sieve cylinder 8 provided with the tooth ring 7, the rotation of the sieve cylinder 8 is realized, the vibration mechanism is arranged on the outer frame 1, the combination of the rotation screening and the vibration screening can realize efficient screening, the screening intensity is increased, and the incomplete screening is avoided; meanwhile, the pushing mechanism 5 is arranged at the feeding opening of the sieve cylinder 8, the pushing mechanism 5 automatically pushes the bottle pieces in the sieve cylinder 8 to the discharge port, the manual collection of the bottle pieces is not needed, and automation is realized; the drawer is further arranged below the mounting box 9, the impurities screened out are collected, the impurities are prevented from being scattered randomly, and the surrounding environment is affected.
[0058] Finally, it should be noted that: the above only describes preferred embodiments of the present application and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced equivalently. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.
Claims
1. A screening drum structure for screening plastic bottle flakes, characterized by: Including screen cylinder (8), outer frame (1); The screen cylinder (8) is rotatably arranged in the outer frame (1), a plurality of screen holes are formed in the cylindrical side of the screen cylinder (8), and a gear ring (7) is arranged on the screen cylinder (8); the gear ring (7) is engaged with a gear (6); the gear (6) driven by a power source is rotatably arranged in the outer frame (1); The outer frame (1) is provided with a feeding part on one side, the tail end of the feeding part is opposite to the feeding opening on one side of the screen cylinder (8), the outer frame (1) is provided with a discharging opening on the other side, the discharging opening is opposite to the discharging opening on the other side of the screen cylinder (8), a pushing mechanism (5) is formed in the outer frame (1) on the side of the feeding opening of the screen cylinder (8), and the pushing mechanism (5) can extend into the screen cylinder (8) to push the plastic bottle pieces. The outer frame (1) is further provided with a vibrating mechanism on the top, the vibrating mechanism comprises a rotating shaft (4) and an eccentric block (13); the rotating shaft (4) is connected with the outer frame (1) through an ear pin, and the two ends of the rotating shaft (4) are connected with vibrating motors; the end of the rotating shaft (4) is provided with the eccentric block (13).
2. The screening drum structure for screening plastic bottle flakes according to claim 1, characterized in that: The outer frame (1) is provided with a mounting box (9), the mounting box (9) comprises a front half frame and a rear half frame; the front half frame and the rear half frame can be connected with each other, and the connecting surfaces of the two half frames are provided with arc surfaces (11); the screen cylinder (8) is horizontally arranged and can be inserted between the front half frame and the rear half frame.
3. The screening drum structure for screening plastic bottle flakes according to claim 2, characterized in that: The arc surfaces (11) of the front half frame and the rear half frame are provided with tracks (12), the tracks (12) are concave towards the arc surfaces (11), the corresponding cylindrical side of the screen cylinder (8) is provided with a protruding arc strip, and the arc strip is inserted into the track (12), so that the screen cylinder (8) is more stable during rotation.
4. The screening drum structure for screening plastic bottle flakes according to claim 3, characterized in that: The left gear ring and the right gear ring are respectively arranged on the circumferences of the two side ports of the screen cylinder (8); the left gear ring and the right gear ring are respectively engaged with the left gear and the right gear; the left gear and the right gear are respectively connected with a motor B (15); the left gear and the right gear are driven to rotate by the motor B (15), so as to drive the screen cylinder (8) to rotate.
5. The screening drum structure for screening plastic bottle flakes according to claim 1, characterized in that: The pushing mechanism (5) comprises an electric push rod and a pushing shovel; the electric push rod is arranged on the side plate of the outer frame (1), the end of the push rod is connected with a pushing shovel, the pushing shovel is opposite to the feeding opening of the screen cylinder (8), and the electric push rod is driven to move forward, so that the pushing shovel extends into the screen cylinder (8) to push the bottle pieces.
6. The screening drum structure for screening plastic bottle flakes according to claim 1, characterized in that: The feeding part comprises an open frame (2) and a rotating rod (3); the open frame (2) is wide at the top and narrow at the bottom, and the open frame (2) is fixed to the top plate of the outer frame (1); the rotating rod (3) is connected with a motor A (14) and rotatably arranged in the open frame (2); a plurality of blades are formed on the rotating rod (3), which can quantitatively convey the plastic bottle pieces downward.
7. The screening drum structure for screening plastic bottle flakes according to claim 2, characterized in that: The lower end surface of the mounting box (9) is open and connected with a drawer, and a handle is arranged on the drawer.
8. The screening drum structure for screening plastic bottle flakes according to claim 1, characterized in that: The outer frame (1) is connected with a buffer spring (10) at the four corners of the bottom, and the buffer spring (10) is connected with the outer frame (1) through a mounting seat.