Dewatering compression device for recycling plastic bottles
By designing the screw cylinder and guide tube structure of the dewatering compression device, the problem of liquid removal in plastic bottle recycling was solved, achieving a safe and efficient compression effect.
Patent Information
- Application Number
- CN202520608636.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-02
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-04-02
AI Technical Summary
Existing plastic bottle recycling devices cannot effectively remove internal liquid during the compression process, causing plastic bottles to burst and liquid to spray out, affecting recycling efficiency and posing a safety hazard.
A water-removing compression device was designed. The pressure plate is driven by a cylinder to compress the plastic bottle and the bottle cap is screwed on by a screw-on cylinder. Combined with a guide tube and a push-cap plate, the liquid inside the bottle is discharged, ensuring that the bottle cap can be opened smoothly and the liquid can be discharged.
This effectively avoids the bursting and liquid spraying of plastic bottles during compression, improves the recycling compression effect, and ensures operational safety.
Smart Images

Figure CN223948287U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to plastic bottle recycling technical field, specifically a kind of water removal compression device of recycling plastic bottle. BACKGROUND
[0002] Plastic bottle is mainly made of polyethylene or polypropylene and a variety of organic solvents are added after making. Plastic bottle widely uses polyester, polyethylene, polypropylene as raw material, after adding corresponding organic solvent, after high-temperature heating, through plastic mould, the plastic container is formed by blow molding, extrusion blow molding or injection molding.
[0003] At present, when recycling waste beverage plastic bottles, the plastic bottles need to be compressed. The existing compression device cannot preliminarily remove the liquid inside the plastic bottle during use, which easily causes the plastic bottle to burst and the liquid to spray during compression operation, greatly affecting the recycling and compression effect of the plastic bottle, and is not conducive to ensuring the safety of operation. In view of the above technical defects of the prior art, a water removal compression device for recycling plastic bottles is proposed to solve the above technical problems. UTILITY MODEL CONTENTS
[0004] The utility model aims at providing a water removal compression device for recycling plastic bottles to solve the problems raised in the background art.
[0005] To achieve the above object, the utility model provides the following technical scheme:
[0006] A water removal compression device for recycling plastic bottles, comprising an operation table, a storage cylinder for placing plastic bottles is fixed on the operation table, a conical pipe is installed at the bottom of the storage cylinder, a gas cylinder is installed on the operation table, a pressing plate is vertically and slidingly installed in the storage cylinder and is fixed to the extension end of the gas cylinder, a transmission sleeve is rotatably installed on the operation table, a driving assembly is installed on the operation table for driving the rotation of the transmission sleeve, a screwing cylinder body is installed in the transmission sleeve vertically opposite to the conical pipe, a screwing assembly is installed on the screwing cylinder body for screwing the cap of the plastic bottle, a lifting frame is vertically and slidingly installed on the operation table, a rotating sleeve is installed in the transmission sleeve, and the rotating sleeve is rotatably installed on the lifting frame.
[0007] As an improved scheme of the utility model, the driving assembly comprises a gear box fixed on the operation table, a motor is fixed on the gear box, an outer gear ring and a driving gear are rotatably installed in the gear box and are engaged, the driving gear is coaxially fixed with the output shaft of the motor, and the outer gear ring is fixedly sleeved on the transmission sleeve.
[0008] As an improved scheme of the utility model: the driving assembly further includes a clamping strip fixed to the outer wall of the rotating sleeve, and the clamping strip is slidingly embedded in the inner wall of the transmission sleeve.
[0009] As an improved scheme of the utility model: the screwing assembly includes an inner taper surface formed in the inner wall of the screwing cylinder, and a plurality of friction convex strips are uniformly distributed on the inner taper surface.
[0010] As an improved scheme of the utility model: the screwing assembly further includes a vertical pipe fixed to the bottom of the screwing cylinder, the rotating sleeve is slidingly sleeved on the vertical pipe, a guide rod slidingly extending into the rotating sleeve is fixed to the screwing cylinder, a supporting spring is sleeved on the guide rod, and two ends of the supporting spring are fixed to the screwing cylinder and the rotating sleeve respectively.
[0011] As an improved scheme of the utility model: the pressing plate is fixed with a connecting block, an intermediate gear is rotatably installed on the operation table, a rack I and a rack II slidingly connected with the operation table are respectively meshed with the two sides of the intermediate gear, the rack I is fixed with the connecting block, and the rack II is fixed on the lifting frame.
[0012] As an improved scheme of the utility model: the operation table is fixed with a vertically arranged flow guide pipe, a push cover disc is fixed to the top of the flow guide pipe, the push cover disc is located in the vertical pipe, and a blanking hole communicating with the inside of the flow guide pipe is formed in the push cover disc.
[0013] Compared with the prior art, the utility model has the advantages that:
[0014] The utility model discloses a vertical downward movement of the pressing plate and the vertical pushing compression of the plastic bottle in the storage cylinder, the screwing cylinder vertically moves up and pushes the bottle cap during the downward movement of the pressing plate, the screwing cylinder is screwed and the bottle cap is removed under the action of the driving assembly, the opening and compression extrusion process of the plastic bottle cap are carried out continuously, the extrusion type water removal of the plastic bottle is realized, the explosion and liquid injection of the plastic bottle during the compression process are avoided, the recycling compression effect of the plastic bottle is improved, and the safety of operation is ensured. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is the whole structure schematic view of the utility model;
[0016] Figure 2 It is the utility model Figure 1 It is the schematic view under a certain visual angle;
[0017] Figure 3 It is the local structure schematic view of the utility model;
[0018] Figure 4 The utility model discares Figure 3 The partial structure schematic drawing of the utility model discare
[0019] Figure 5 The utility model discares Figure 4 The structure schematic drawing of the utility model after cutting
[0020] Figure 6 The connection schematic drawing of the utility model push cover disc and guide pipe
[0021] Figure 7 The connection schematic drawing of the utility model cylinder, pressure plate, connecting block and rack I.
[0022] In the drawing: 1 - operation platform, 2 - motor, 3 - storage cylinder, 4 - intermediate gear, 5 - pressure plate, 6 - connecting block, 7 - rack I, 8 - rack II, 9 - lifting frame, 10 - guide pipe, 11 - drainage hole, 12 - rotating sleeve, 13 - screwing cylinder body, 14 - clamping strip, 15 - gear box, 16 - vertical pipe, 17 - friction convex strip, 18 - inner conical surface, 19 - outer gear ring, 20 - driving gear, 21 - push cover disc, 22 - guide rod, 23 - supporting spring, 24 - conical pipe, 25 - blanking hole, 26 - cylinder, 27 - transmission sleeve. DETAILED DESCRIPTION
[0023] The technical scheme of the utility model will be described in further detail in connection with specific embodiments:
[0024] First embodiment: please refer to Figures 1-7 A water removal and compression device for recycling plastic bottles, comprising an operation platform 1, the operation platform 1 is fixed with a storage cylinder 3 for placing plastic bottles, the bottom of the storage cylinder 3 is installed with a conical pipe 24, the operation platform 1 is installed with a cylinder 26, the storage cylinder 3 is vertically and slidingly installed with a pressure plate 5 fixed with the telescopic end of the cylinder 26, the operation platform 1 is rotatably installed with a transmission sleeve 27, the operation platform 1 is installed with a driving assembly for driving the transmission sleeve 27 to rotate, the transmission sleeve 27 is installed with a screwing cylinder body 13 vertically opposite to the conical pipe 24, the screwing cylinder body 13 is installed with a screwing assembly for screwing the cap of the plastic bottle, the operation platform 1 is vertically and slidingly installed with a lifting frame 9, the transmission sleeve 27 is installed with a rotating sleeve 12, and the rotating sleeve 12 is rotatably installed on the lifting frame 9.
[0025] When the device is used to compress the plastic bottle with residual beverage, the plastic bottle is inverted in the storage cylinder 3, the cap of the plastic bottle is out of the conical pipe 24, and the bottle body of the plastic bottle is in the storage cylinder 3, the pressure plate 5 is driven by the cylinder 26 to vertically move down and compress the plastic bottle, and the water in the compressed plastic bottle is discharged.
[0026] The driving assembly comprises a gear box 15 fixed on the operation table 1, a motor 2 fixed on the gear box 15, an outer gear ring 19 and a driving gear 20 rotatably installed in the gear box 15 and engaged with each other, the driving gear 20 being coaxially fixed with an output shaft of the motor 2, and the outer gear ring 19 being fixedly sleeved on a transmission sleeve 27. The driving assembly further comprises a clamping strip 14 fixed on an outer wall of the rotating sleeve 12, which is slidingly embedded in an inner wall of the transmission sleeve 27.
[0027] The motor 2 is arranged to drive the driving gear 20 to rotate, the driving gear 20 drives the outer gear ring 19 engaged therewith to rotate, the outer gear ring 19 drives the transmission sleeve 27 to rotate, the transmission sleeve 27 drives the screwing cylinder 13 to rotate through the clamping strip 14, and the screwing cylinder 13 is arranged to screw off the cap of the plastic bottle.
[0028] Specifically, the screwing assembly comprises an inner tapered surface 18 formed in an inner wall of the screwing cylinder 13, and a plurality of friction ridges 17 uniformly distributed in a ring shape are fixed on the inner tapered surface 18. The screwing assembly further comprises a vertical pipe 16 fixed on a bottom of the screwing cylinder 13, the rotating sleeve 12 is slidingly sleeved on the vertical pipe 16, a guide rod 22 slidingly extending into the rotating sleeve 12 is fixed on the screwing cylinder 13, a supporting spring 23 is sleeved on the guide rod 22, and two ends of the supporting spring 23 are fixed with the screwing cylinder 13 and the rotating sleeve 12 respectively.
[0029] The rotating sleeve 12 is vertically moved upward by the lifting frame 9 until the friction ridges 17 on the screwing cylinder 13 abut against the cap of the plastic bottle, and in this process, the supporting spring 23 is compressed and generates an elastic pushing force vertically upward, so that the friction ridges 17 have sufficient compression force against the cap of the plastic bottle, ensuring that the cap of the plastic bottle is successfully unscrewed, greatly improving the bottle opening effect, ensuring that the water in the plastic bottle can be smoothly discharged from the bottle opening when the plastic bottle is compressed to remove water, avoiding the explosion of the plastic bottle and the spraying of the liquid during the compression process, improving the recycling and compression effect of the plastic bottle, and ensuring the safety of the operation.
[0030] Second embodiment: please refer to Figures 1-7On the basis of the first embodiment, additionally, the connecting block 6 is fixed on the pressing plate 5, the intermediate gear 4 is rotatably installed on the operation table 1, the gear rack I 7 and the gear rack II 8 which are slidably connected with the operation table 1 are respectively meshed with the two sides of the intermediate gear 4, the gear rack I 7 is fixed with the connecting block 6, and the gear rack II 8 is fixed on the lifting frame 9. The vertical flow guide pipe 10 is fixed on the operation table 1, the push cover disc 21 is fixed at the top of the flow guide pipe 10, the push cover disc 21 is located in the vertical pipe 16, and the blanking hole 25 which is in communication with the inside of the flow guide pipe 10 is formed in the push cover disc 21.
[0031] Through the above setting, when the pressing plate 5 moves downward, the gear rack I 7 moves vertically downward, the gear rack II 8 and the lifting frame 9 are driven to move upward by the intermediate gear 4 through the gear rack I 7, so that the screwing cylinder 13 moves vertically upward and unscrews the bottle cap of the plastic bottle, after the bottle cap is unscrewed, the moisture in the plastic bottle enters the inside of the flow guide pipe 10 through the blanking hole 25, and finally is discharged from the drain hole 11, and when the pressing plate 5 is reset, the screwing cylinder 13 moves vertically downward, and the push cover disc 21 moves vertically upward relative to the screwing cylinder 13, so that the bottle cap of the plastic bottle is pushed out of the screwing cylinder 13, and the next plastic bottle is conveniently dehydrated and compressed.
[0032] In summary, the pressing plate 5 moves vertically downward and vertically pushes and compresses the plastic bottles in the storage cylinder 3, during the downward movement of the pressing plate 5, the screwing cylinder 13 moves vertically upward and pushes the bottle cap of the plastic bottle, the screwing cylinder 13 is screwed and the bottle cap is removed under the action of the driving assembly, the opening of the plastic bottle cap and the continuous compression and extrusion process are realized, the extrusion dehydration of the plastic bottle is realized, the explosion and liquid injection of the plastic bottle during the compression process are effectively avoided, the recycling and compression effect of the plastic bottle is improved, and the safety of the operation is ensured.
Claims
1. A water removal and compression device for recycling plastic bottles, comprising an operating table (1), a storage cylinder (3) for placing plastic bottles is fixed on the operating table (1), a conical pipe (24) is installed at the bottom of the storage cylinder (3), and a pneumatic cylinder (26) is installed on the operating table (1), characterized in that, The storage cylinder (3) is vertically slidably installed with a pressing plate (5) fixed with the extension end of a pneumatic cylinder (26), a transmission sleeve (27) is rotatably installed on the operation table (1), a driving assembly for driving the transmission sleeve (27) to rotate is installed on the operation table (1), a screwing cylinder body (13) opposite to the taper pipe (24) in vertical direction is installed in the transmission sleeve (27), a screwing assembly for screwing the cap of a plastic bottle is installed on the screwing cylinder body (13), a lifting frame (9) is vertically slidably installed on the operation table (1), and a rotating sleeve pipe (12) is installed in the transmission sleeve (27) and rotatably installed on the lifting frame (9).
2. A water removal and compression apparatus for recycled plastic bottles as claimed in claim 1, wherein, The driving assembly comprises a gear box (15) fixed on the operation table (1), a motor (2) fixed on the gear box (15), an outer gear ring (19) and a driving gear (20) rotatably installed in the gear box (15) and engagedly connected, and the driving gear (20) is coaxially fixed with the output shaft of the motor (2), and the outer gear ring (19) is fixedly sleeved on the transmission sleeve (27).
3. A water removal and compression apparatus for recycled plastic bottles as claimed in claim 2, wherein, The driving assembly further comprises a clamping strip (14) fixed on the outer wall of the rotating sleeve pipe (12) and slidably embedded in the inner wall of the transmission sleeve (27).
4. The water removal and compression apparatus for recycling plastic bottles of claim 1, wherein, The screwing assembly comprises an inner taper surface (18) formed in the inner wall of the screwing cylinder body (13), and a plurality of friction ridges (17) are uniformly distributed and fixed on the inner taper surface (18).
5. A water removal and compression apparatus for recycled plastic bottles as claimed in claim 4, wherein, The screwing assembly further comprises a vertical pipe (16) fixed on the bottom of the screwing cylinder body (13), the rotating sleeve pipe (12) is slidably sleeved on the vertical pipe (16), a guide rod (22) is fixed on the screwing cylinder body (13) and slidably extends into the rotating sleeve pipe (12), a supporting spring (23) is sleeved on the guide rod (22), and the two ends of the supporting spring (23) are fixed with the screwing cylinder body (13) and the rotating sleeve pipe (12) respectively.
6. A water removal and compression apparatus for recycled plastic bottles as defined in claim 1, wherein, The pressing plate (5) is fixed with a connecting block (6), an intermediate gear (4) is rotatably installed on the operation table (1), a rack I (7) and a rack II (8) slidably connected with the operation table (1) are respectively engagedly connected on the two sides of the intermediate gear (4), the rack I (7) is fixed with the connecting block (6), and the rack II (8) is fixed on the lifting frame (9).
7. A water removal and compression apparatus for recycled plastic bottles as claimed in claim 5 wherein, A vertical flow guide pipe (10) is fixed on the operation table (1), a push cover disc (21) is fixed on the top of the flow guide pipe (10), the push cover disc (21) is located in the vertical pipe (16), and a blanking hole (25) in communication with the inside of the flow guide pipe (10) is formed in the push cover disc (21).