Winding device for recycling waste plastic film

Abstract

The utility model provides a winding device for waste plastic film recycling. The winding device comprises a base and a rotating roller. The base is provided with two supporting arms arranged side by side, and each supporting arm is provided with a groove penetrating in the arrangement direction of the two supporting arms. The rotating roller is arranged between the two supporting arms and connected with a rotating driving component used for driving the rotating roller to rotate. The two ends of the rotating roller are each provided with a connecting shaft which is coaxial with the rotating roller and suitable for being embedded into the corresponding groove, and the opposite ends of the two connecting shafts are each provided with a limiting disc. In the actual use process, the two limiting discs can abut against the two opposite sides of the two supporting arms correspondingly, one limiting disc is detachably connected with the connecting shaft, or the two limiting discs are detachably connected with the connecting shaft, so that the limiting discs are detached, and intervention on discharging of the wound plastic film is avoided. According to the winding device for recycling the waste plastic film, winding operation of the plastic film can be achieved, and the stability of the overall structure is ensured by supporting the two ends of the rotating roller.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of plastic film production, and particularly relates to a winding device for recycling waste plastic film. BACKGROUND

[0002] Waste plastic film refers to plastic film material discarded after use, which is commonly used in packaging, agriculture, construction and other fields. In order to realize full utilization of resources, waste plastic film can be recycled and used as raw material for new plastic film.

[0003] In the prior art, the recycling of waste plastic film is realized by means of a winding device; specifically, a common winding device comprises a support, a rotating roller rotatably arranged on the support, and a motor in transmission connection with the rotating roller. In actual use, a winding core is fixedly sleeved on the rotating roller, and the rotating roller is driven to rotate by the driving force of the motor, so that the plastic film is pulled and wound on the outer periphery of the winding core.

[0004] The inventor finds that in order to realize the separation of the winding core and the rotating roller, the single end of the rotating roller is usually connected with the support and the other end is open in the prior art, which causes the open end of the rotating roller to lose support and causes the technical defect that the structural stability is poor, and the rotating roller is prone to tilting in the use process, which affects the winding effect of the waste plastic film. CONTENT OF THE INVENTION

[0005] The embodiment of the application provides a winding device for recycling waste plastic film, which aims to realize the winding operation of the plastic film and ensure the stability of the overall structure by supporting the two ends of the rotating roller.

[0006] To achieve the above-mentioned purpose, the technical scheme adopted by the application is:

[0007] A winding device for recycling waste plastic film is provided, comprising:

[0008] a base for being fixed on the ground, and two support arms arranged side by side on the base; a recess is formed in the upper end of each support arm, and the recess is arranged through along the arrangement direction of the two support arms; and

[0009] a rotating roller arranged between the two support arms, the axial direction of which is parallel to the arrangement direction of the two support arms, and a convex ridge is arranged on the outer periphery of the rotating roller for abutting against the inner periphery of the winding core; the rotating roller is in transmission connection with a rotating driving member for driving the rotating roller to rotate; the two ends of the rotating roller are provided with a connecting shaft coaxially arranged with the rotating roller and adapted to be embedded in the recess, and the end portions of the two connecting shafts are provided with a limiting disc;

[0010] Two of the limiting discs are used to abut two opposite sides of the support arms respectively, and one of the limiting discs is detachably connected with the connecting shaft, or both of the limiting discs are detachably connected with the connecting shaft.

[0011] In a possible implementation, the side surface of the limiting disc towards the support arm is provided with a connecting bolt, and the connecting shaft is provided with a first threaded groove suitable for being screwed with the connecting bolt.

[0012] In a possible implementation, the winding device for recycling waste plastic films further comprises:

[0013] Two blocking members are adapted to be inserted into the two grooves one by one to close the openings of the two grooves and abut and limit the connecting shaft from exiting the grooves.

[0014] In a possible implementation, the blocking member is provided with a hanging part suitable for abutting the upper end surface of the support arm, and the lower side surface of the hanging part is provided with an insertion slot, and the upper end surface of the support arm is provided with a protruding block suitable for being inserted into the insertion slot.

[0015] The outer side surface of the hanging part is provided with a positioning hole in communication with the insertion slot, and a fixing nut coaxially arranged with the positioning hole is fixedly arranged; the protruding block is provided with an alignment hole in communication with the positioning hole, and the fixing nut is screwed with a butt bolt suitable for being inserted into the alignment hole.

[0016] In a possible implementation, the inner wall of the insertion slot is provided with a sunken groove coaxially arranged with the positioning hole, and the end of the butt bolt is suitable for being embedded into the sunken groove.

[0017] In a possible implementation, the side surface of the limiting disc towards the support arm is provided with a plurality of concave spherical grooves, and the plurality of concave spherical grooves are arranged at intervals around the central shaft of the rotating roller, and each of the concave spherical grooves is embedded with a ball suitable for abutting the support arm or the blocking member.

[0018] In a possible implementation, the rotating driving member comprises:

[0019] A driven gear coaxially arranged on one of the limiting discs; and

[0020] A rotating motor fixedly arranged on the support arm, and the power output shaft of the rotating motor is parallel to the axial direction of the rotating roller, and the power output end of the rotating motor is provided with a driving gear engaged with the driven gear.

[0021] In a possible implementation, the side surface of the limiting disc away from the support arm is provided with a protruding part extending outward, and the driven gear is provided with a mounting hole suitable for embedding the protruding part.

[0022] In a possible implementation, a second threaded groove is formed on the protruding end face of the protruding part, and the protruding part further comprises:

[0023] a baffle, which is arranged on the protruding end face of the protruding part, and is used to abut against the side face of the driven gear away from the limiting disc; and the baffle further has a through hole which is adapted to communicate with the second threaded groove; and

[0024] a anti-disengagement bolt, which is adapted to be inserted into the through hole and threadedly connected with the second threaded groove, so as to limit the baffle from disengaging from the protruding part.

[0025] In a possible implementation, the groove has a structure that the width gradually decreases from top to bottom.

[0026] In the embodiment, the winding core is sleeved on the rotating roller, the inner circumferential surface of the winding core is abutted against the convex rib, the synchronous rotation of the rotating roller and the winding core is realized, and the winding operation of the plastic film is realized. After the winding is completed, the rotating roller is taken out from the groove, then one limiting piece is separated from the rotating roller, the plastic film after winding and the winding core are taken out from the end of the rotating roller, and the recycling operation of the plastic film is completed.

[0027] Compared with the prior art, the winding device for recycling waste plastic film provided in the embodiment can realize the winding operation of the plastic film, and ensure the stability of the overall structure by supporting the two ends of the rotating roller. BRIEF DESCRIPTION OF DRAWINGS

[0028] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0029] Figure 1 The three-dimensional structure schematic diagram of the winding device for recycling waste plastic film provided in the embodiment of the present application;

[0030] Figure 2 The front view of Figure 1 ;

[0031] Figure 3 The sectional structure view along the line A-A in Figure 2 ;

[0032] Figure 4 The three-dimensional structure schematic diagram of the rotating driving member used in the embodiment of the present application;

[0033] Figure 5 A perspective view of a base used in an embodiment of the present application;

[0034] Figure 6 An exploded view of a rotating roller and a rotating driving member used in an embodiment of the present application;

[0035] Figure 7 A perspective view of a rotating roller used in an embodiment of the present application;

[0036] Figure 8 An exploded view of a limiting disc and a ball used in an embodiment of the present application;

[0037] Figure 9 An exploded view of a support arm and a blocking member used in an embodiment of the present application from a sectional view;

[0038] Label explanation: 1, base; 2, rotating roller; 21, convex rib; 22, connecting shaft; 221, first threaded groove; 3, rotating driving member; 31, driven gear; 311, mounting hole; 32, rotating motor; 321, driving gear; 4, blocking member; 41, hanging part; 411, insertion slot; 412, positioning hole; 413, sinking groove; 5, support arm; 51, groove; 52, convex block; 521, alignment hole; 6, limiting disc; 61, connecting bolt; 62, concave ball groove; 63, ball; 64, convex part; 641, second threaded groove; 7, fixing nut; 71, butt joint bolt; 8, baffle; 81, through hole; 82, anti-dropping bolt; 100, winding core. DETAILED DESCRIPTION

[0039] In order to make the technical problems, technical solutions and beneficial effects of the present application clearer, the present application will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and not intended to limit the present application.

[0040] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0041] It should be understood that the terms "length", "width", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate directions or positions based on the directions or positions shown in the drawings and are used for convenience in describing the present application and simplifying the description, and thus cannot be construed as indicating or implying that a device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus cannot be construed as limiting the present application.

[0042] In addition, the terms "first", "second", "third", etc. are used only for descriptive purposes and should not be construed as indicating or implying relative importance or an indicated number of technical features. Therefore, the features defined as "first", "second", "third" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise specifically limited.

[0043] Please refer to Figures 1 to 9 , the waste plastic film recycling winding device provided by the present application will be described. The waste plastic film recycling winding device proposed by the present application comprises a base 1 and a rotating roller 2.

[0044] The base 1 is used to be fixed on the ground, and two support arms 5 are arranged side by side on the base 1; a groove 51 is formed at the upper end of each support arm 5, and the groove 51 is arranged through along the arrangement direction of the two support arms 5; and

[0045] The rotating roller 2 is arranged between the two support arms 5, the axial direction of the rotating roller 2 is parallel to the arrangement direction of the two support arms 5, and a convex rib 21 is arranged on the outer periphery of the rotating roller 2, which surrounds the outer periphery of the rotating roller 2 and abuts against the inner periphery of the winding core 100; the rotating roller 2 is drivingly connected with a rotating driving member 3 for driving the rotating roller 2 to rotate; the two ends of the rotating roller 2 are provided with connecting shafts 22 which are coaxially arranged with the rotating roller 2 and are adapted to be embedded in the grooves 51, and the opposite ends of the two connecting shafts 22 are provided with limiting discs 6;

[0046] Among them, the two limiting discs 6 are used to abut against the opposite sides of the two support arms 5 respectively, and one of the limiting discs 6 is detachably connected with the connecting shaft 22, or both of the limiting discs 6 are detachably connected with the connecting shaft 22.

[0047] In the embodiment of the present application, by sleeving the winding core 100 on the rotating roller 2, the convex rib 21 can abut against the inner periphery of the winding core 100 to realize the synchronous rotation of the rotating roller 2 and the winding core 100, thereby realizing the winding operation of the plastic film. After the winding is completed, the rotating roller 2 can be taken out of the groove 51, and then by separating one of the limiting members from the rotating roller 2, the wound plastic film and the winding core 100 can be taken out from the end of the rotating roller 2 together, thereby completing the recycling operation of the plastic film.

[0048] The winding device for waste plastic film recycling provided by the embodiment can realize the winding operation of the plastic film and ensure the stability of the overall structure by supporting the two ends of the rotating roller 2, compared with the prior art.

[0049] In some embodiments, as shown in Figure 7 and Figure 8 , the side of the limiting disc 6 facing the support arm 5 is provided with a connecting bolt 61, and the connecting shaft 22 is provided with a first threaded groove 221 suitable for threaded connection with the connecting bolt 61; through the threaded connection of the connecting bolt 61 and the first threaded groove 221, the detachable connection of the limiting disc 6 and the connecting shaft 22 can be realized.

[0050] In some embodiments, as shown in Figure 1 , Figure 5 and Figure 9 , the winding device for waste plastic film recycling further comprises two sealing members 4.

[0051] The two sealing members 4 are adapted to be inserted one by one into the two grooves 51 to close the openings of the two grooves 51, and can also abut and limit the exit of the connecting shaft 22 from the groove 51.

[0052] In some embodiments, as shown in Figure 9 , the sealing member 4 is provided with a hanging part 41 suitable for abutting the upper end surface of the support arm 5; the lower side of the hanging part 41 is provided with a insertion slot 411, and the upper end surface of the support arm 5 is provided with a protrusion 52 suitable for being inserted into the insertion slot 411.

[0053] The outer side of the hanging part 41 is provided with a positioning hole 412 communicating with the insertion slot 411, and a fixing nut 7 coaxially arranged with the positioning hole 412 is further fixedly arranged; the protrusion 52 is provided with an alignment hole 521 suitable for communicating with the positioning hole 412, and the fixing nut 7 is threadedly connected with a butt joint bolt 71 suitable for being inserted into the alignment hole 521.

[0054] In some embodiments, as shown in Figure 9 , the inner wall of the insertion slot 411 is provided with a sunken groove 413 coaxially arranged with the positioning hole 412, and the end of the aforementioned butt joint bolt 71 is adapted to be embedded in the sunken groove 413, thereby ensuring that the butt joint bolt 71 passes through the alignment hole 521.

[0055] In some embodiments, as shown in Figure 8 , the side of the limiting disc 6 facing the support arm 5 is provided with a plurality of concave spherical grooves 62, and the plurality of concave spherical grooves 62 are arranged at intervals around the central axis of the rotating roller 2, and each concave spherical groove 62 is embedded with a ball 63 suitable for abutting the support arm 5 or the sealing member 4.

[0056] In some embodiments, as shown in Figure 2 and Figure 4As shown, the rotating driving member 3 comprises a driven gear 31 and a rotating motor 32.

[0057] The driven gear 31 is coaxially arranged on one of the limit plates 6.

[0058] The rotating motor 32 is fixedly arranged on the support arm 5, and the power output shaft of the rotating motor 32 is parallel to the axial direction of the rotating roller 2, and the power output end of the rotating motor 32 has a driving gear 321 engaged with the driven gear 31.

[0059] In some embodiments, as shown, Figure 6 The side of the limit plate 6 away from the support arm 5 has an outwardly extending protruding portion 64, and the driven gear 31 has a mounting hole 311 adapted for the protruding portion 64 to be embedded.

[0060] The mounting hole 311 is a special-shaped hole, and the protruding portion 64 is a special-shaped structure matched with the special-shaped hole, and the combination of the two can synchronize the rotation of the limit plate 6 and the driven gear 31.

[0061] In some embodiments, as shown, Figure 6 The protruding end surface of the protruding portion 64 is provided with a second threaded groove 641, and the protruding portion 64 further comprises a baffle 8 and a anti-loose bolt 82.

[0062] The baffle 8 is arranged on the protruding end surface of the protruding portion 64, and is used to abut against the side of the driven gear 31 away from the limit plate 6; and the baffle 8 is further provided with a through hole 81 adapted to communicate with the second threaded groove 641.

[0063] The anti-loose bolt 82 is adapted to be inserted into the through hole 81 and threadedly connected with the second threaded groove 641, so as to limit the baffle 8 from being separated from the protruding portion 64.

[0064] In some embodiments, as shown, Figure 5 The groove 51 has a structure that the width gradually decreases from top to bottom, so as to facilitate the insertion of the connecting shaft 22.

[0065] The above only describes the preferred embodiments of the present application and is not intended to limit the present application. Any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A winding device for recycling waste plastic film, characterized by comprising: The utility model provides a waste plastic film recycling winding device, which comprises a base fixed on the ground and having two support arms arranged side by side on the base; a recess is formed in the upper end of each support arm, and the recess is arranged through along the arrangement direction of the two support arms; and a rotating roller is arranged between the two support arms, the axial direction of the rotating roller is parallel to the arrangement direction of the two support arms, and a convex ridge is arranged on the outer circumferential surface of the rotating roller to abut against the inner circumferential surface of the winding core; the rotating roller is drivingly connected with a rotating driving member for driving the rotating roller to rotate; the two ends of the rotating roller are provided with connecting shafts coaxially arranged with the rotating roller and adapted to be embedded in the recesses, and the end portions of the two connecting shafts are provided with limiting discs. The two limiting discs are used for abutting against the two opposite sides of the two support arms, respectively, and one of the limiting discs is detachably connected with the connecting shaft, or both of the limiting discs are detachably connected with the connecting shaft. The side surface of the limiting disc facing the support arm is provided with a connecting bolt, and the connecting shaft is provided with a first threaded groove adapted to be threadedly connected with the connecting bolt. The waste plastic film recycling winding device further comprises two blocking members adapted to be inserted into the two recesses one by one to close the openings of the two recesses and abut against and limit the connecting shaft from exiting the recesses.

2. The winding device for recycling of waste plastic film according to claim 1, characterized in that, The blocking member is provided with a hanging portion adapted to abut against the upper end surface of the support arm; the lower side surface of the hanging portion is provided with an insertion slot, and the upper end surface of the support arm is provided with a convex block adapted to be inserted into the insertion slot; 3. The winding device for recycling of waste plastic film according to claim 1, characterized in that, the outer side surface of the hanging portion is provided with a positioning hole in communication with the insertion slot, and is further fixedly provided with a fixing nut coaxially arranged with the positioning hole; the convex block is provided with an alignment hole adapted to be in communication with the positioning hole, and the fixing nut is threadedly connected with a butt joint bolt adapted to be inserted into the alignment hole. The inner wall of the insertion slot is provided with a sunken groove coaxially arranged with the positioning hole, and the end portion of the butt joint bolt is adapted to be embedded in the sunken groove.

4. The winding device for recycling of waste plastic film according to claim 3, characterized in that, The side surface of the limiting disc facing the support arm is provided with a plurality of concave spherical grooves, the concave spherical grooves are arranged at intervals around the central shaft of the rotating roller, and each concave spherical groove is embedded with a ball adapted to abut against the support arm or the blocking member. The rotating driving member comprises:

5. The winding device for recycling of waste plastic film according to claim 4, characterized in that, a driven gear coaxially arranged on one of the limiting discs; and 6. The winding device for recycling of waste plastic film according to claim 3, wherein a rotating motor fixedly arranged on the support arm, the power output shaft of the rotating motor is parallel to the axial direction of the rotating roller, and the power output end of the rotating motor is provided with a driving gear engaged with the driven gear.

7. The winding device for recycling of waste plastic film according to claim 1, wherein The side surface of the limiting disc away from the support arm is provided with a convex portion extending outward, and the driven gear is provided with a mounting hole adapted to embed the convex portion. The convex end surface of the convex portion is provided with a second threaded groove, and the convex portion further comprises: a baffle arranged on the convex end surface of the convex portion to abut against the side surface of the driven gear away from the limiting disc; and the baffle is further provided with a through hole adapted to be in communication with the second threaded groove; and 8. The winding device for recycling of waste plastic film according to claim 7, characterized in that, a anti-disengagement bolt adapted to be inserted into the through hole and threadedly connected with the second threaded groove to limit the baffle from disengaging from the convex portion.

9. The winding device for recycling of waste plastic film according to claim 8, wherein ​ ​ ​ 10. The winding device for recycling of waste plastic film according to claim 1, wherein The groove adopts a structure that the width gradually reduces from top to bottom.

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