Columnar plastic extruder nozzle dredging device

Abstract

The utility model discloses a cylindrical plastic extruder nozzle dredging device, which relates to the technical field of plastic processing equipment and comprises a controller, the controller is fixedly connected to the lower side surface of the dredging device, and the dredging device is in threaded connection with a pressurizing and jacking device. The controller is arranged to start the heating rod and the power motor to operate, the power motor operates to drive the driving gear to rotate, the driving gear rotates to drive the driven gear ring to rotate, the driven gear ring rotates to drive the connecting ring cylinder to rotate, and then the protective shell can be held to keep the dredging stud not rotating. And then the dredging stud can be driven to stably move towards the interior of the columnar plastic extruder nozzle through rotation of the internal thread, so that the problem that the maintenance time of the dredging nozzle is inevitably prolonged to a certain extent due to the fact that most of the existing nozzle dredging modes achieve the maintenance effect through disassembly and replacement is solved.

Description

Technical Field

[0001] The utility model relates to a maintenance device for a plastic extruder, in particular to a device for dredging the nozzle of a columnar plastic extruder. Background Technique

[0002] In plastic extrusion molding equipment, the plastic extruder is usually called the main machine, and the subsequent plastic extrusion molding machine supporting it is called the auxiliary machine. After more than 100 years of development, the plastic extruder has evolved from the original single screw to various models such as double screw, multi-screw, and even no screw. Moreover, different nozzles are required according to the shape of the plastic to be extruded. The inside of the nozzle for extruding columnar plastic is provided with a long through hole. During the process of processing columnar plastic, if an operation error occurs, it will cause the nozzle to be blocked, resulting in the equipment being unable to operate normally. At this time, the nozzle needs to be dredged to eliminate the fault before it can be used for processing again. However, most of the existing methods for dredging the nozzle are to disassemble and replace it to achieve the maintenance effect, which inevitably increases the duration of maintaining and dredging the nozzle to a certain extent, thus reducing the efficiency of processing columnar plastic to a certain extent. Therefore, a device for dredging the nozzle of a columnar plastic extruder is proposed to solve the above problems. Content of the Utility Model

[0003] The purpose of the utility model is to provide a device for dredging the nozzle of a columnar plastic extruder to solve the problem that most of the existing methods for dredging the nozzle are to disassemble and replace it to achieve the maintenance effect, which inevitably increases the duration of maintaining and dredging the nozzle to a certain extent as mentioned in the above background technique.

[0004] To achieve the above purpose, the utility model provides the following technical solution: A device for dredging the nozzle of a columnar plastic extruder, including a controller, the controller is fixedly connected to the lower side of the dredging device, the dredging device is threadedly connected with a pressurizing and tightening device, and the outer side of the pressurizing and tightening device is movably connected with a positioning and clamping device.

[0005] As a preferred technical solution of the utility model, the pressurizing and tightening device includes a connecting ring cylinder, an internal thread is provided inside the connecting ring cylinder, the internal thread is threadedly connected with the dredging device, a connecting ring is fixedly connected to the lower side of the connecting ring cylinder, and a driven gear ring is fixedly connected to the outer side of the lower end of the connecting ring cylinder, and the driven gear ring is drivingly connected with the positioning and clamping device.

[0006] As a preferred technical solution of the utility model, the dredging device includes a dredging stud, the dredging stud is threadedly connected with an internal thread, a heating hole is provided inside the dredging stud, a heating rod is fixedly connected inside the heating hole, and the lower end of the heating rod is fixedly connected to the upper side of the protective shell.

[0007] As a preferred technical solution of the present utility model, the protective shell is arranged in a polygon shape, the protective shell is made of heat-insulating material, a placement cavity is opened in the protective shell, a storage battery is fixedly connected in the placement cavity, a controller is fixedly connected to the lower side surface of the protective shell, and the upper end of the dredging stud is provided with a tip.

[0008] As a preferred technical solution of the present utility model, the positioning and clamping device includes a connecting ring rail, the connecting ring rail is movably connected with a connecting ring, a protective connecting cylinder is fixedly connected to the upper side surface of the connecting ring rail, an external thread is opened on the outer side surface of the protective connecting cylinder, the external thread is threadedly connected with an adapting ring, a follow-up ring groove is opened on the upper side surface of the adapting ring thread, a power motor is fixedly connected to the outer side surface of the lower end of the protective connecting cylinder through a fixed base, a driving gear is fixedly connected to the output shaft of the power motor, and the driving gear is in transmission connection with a driven gear ring.

[0009] As a preferred technical solution of the present utility model, a follow-up ring is movably connected in the follow-up ring groove, three adjusting racks are fixedly connected to the upper side surface of the follow-up ring, the three adjusting racks are respectively in transmission connection with three adjusting gears, the three adjusting gears are respectively fixedly connected to the centers of three linkage shafts, and the three linkage shafts are respectively movably connected to three fixed hinge seats.

[0010] As a preferred technical solution of the present utility model, the three fixed hinge seats are all fixedly connected to the outer side surface of the upper end of the protective connecting cylinder, clamping connecting plates are fixedly connected to both ends of the three linkage shafts, friction flexible plates are fixedly connected to the upper ends of the three groups of clamping connecting plates through connecting shafts, the output end of the controller is electrically connected to the input end of the power motor and the heating rod, the input end of the controller is electrically connected to the output end of the storage battery, a charging hole is arranged on the controller, and the output end of the charging hole is electrically connected to the input end of the storage battery.

[0011] Compared with the prior art, the beneficial effects of the present utility model are:

[0012] The utility model starts the heating rod and the power motor to operate by setting a controller. The operation of the power motor drives the driving gear to rotate. The rotation of the driving gear drives the driven gear ring to rotate. The rotation of the driven gear ring drives the connecting ring cylinder to rotate. During the rotation of the connecting ring cylinder, the connecting ring and the connecting rail are used in cooperation for limiting. Then, the protective shell can be held to keep the dredging stud from rotating. Then, the rotation of the internal thread drives the dredging stud to stably move into the nozzle of the columnar plastic extruder. During the movement, the heating rod heats the heating hole and the dredging stud to assist in melting the blocked and solidified plastic. After reaching the appropriate position, the power motor can be reversed by the controller to take out the blocked plastic through the thread on the outer side of the dredging stud. At the same time, the carried blocked plastic is scraped off by the internal thread for convenient use next time. Thus, the problem that most of the existing methods for dredging the nozzle are to disassemble and replace to achieve the maintenance effect, and thus inevitably increase the maintenance and dredging time of the nozzle to a certain extent is solved. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is a front three-dimensional structural schematic diagram of the utility model;

[0014] Figure 2 is a front structural schematic diagram of the utility model;

[0015] Figure 3 is a front A-A sectional three-dimensional structural schematic diagram of the utility model;

[0016] Figure 4 is a side structural schematic diagram of the positioning and clamping device of the utility model;

[0017] Figure 5 is a front B-B sectional three-dimensional structural schematic diagram of the utility model;

[0018] Figure 6 is a three-dimensional structural schematic diagram of the pressurizing and pressing device of the utility model;

[0019] Figure 7 is a front structural schematic diagram of the dredging device of the utility model;

[0020] Figure 8 is a front C-C sectional three-dimensional structural schematic diagram of the utility model.

[0021] In the figure: 1 is a dredging device, 11 is a protective shell, 12 is a dredging stud, 13 is a storage battery, 14 is a placement cavity, 15 is a heating hole, 16 is a heating rod, 2 is a pressurizing and pressing device, 21 is a driven gear ring, 22 is a connecting ring, 23 is a connecting ring cylinder, 24 is an internal thread, 3 is a positioning and clamping device, 31 is a driving gear, 32 is a fixed base, 33 is a power motor, 34 is a connecting ring track, 35 is an external thread, 36 is an adaptive screw ring, 37 is a protective connecting cylinder, 38 is an adjusting rack, 39 is an adjusting gear, 310 is a fixed hinge seat, 311 is a clamping connecting plate, 312 is a friction flexible plate, 313 is a follower ring, 314 is a follower ring groove, 4 is a controller. Specific embodiments

[0022] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0023] Please refer to Figure 1-8 , the present invention provides a technical solution for a dredging device of a columnar plastic extruder nozzle:

[0024] The controller 4 is fixedly connected to the lower side of the dredging device 1. The dredging device 1 is threadedly connected with a pressurizing and pressing device 2, and the outer side of the pressurizing and pressing device 2 is movably connected with a positioning and clamping device 3.

[0025] The pressurizing and pressing device 2 includes a connecting ring cylinder 23. During the rotation of the connecting ring cylinder 23, it will be limited by the cooperation of the connecting ring 22 and the connecting track. An internal thread 24 is provided inside the connecting ring cylinder 23, and the internal thread 24 is threadedly connected with the dredging device 1. A connecting ring 22 is fixedly connected to the lower side of the connecting ring cylinder 23, and a driven gear ring 21 is fixedly connected to the outer side of the lower end of the connecting ring cylinder 23. When the power motor 33 operates, it will drive the driving gear 31 to rotate. The rotation of the driving gear 31 can drive the driven gear ring 21 to rotate. The rotation of the driven gear ring 21 will drive the connecting ring cylinder 23 to rotate, and the driven gear ring 21 is drivingly connected with a positioning and clamping device 3.

[0026] The dredging device 1 includes a dredging stud 12. The dredging stud 12 is threadedly connected with the internal thread 24. A heating hole 15 is provided inside the dredging stud 12, and a heating rod 16 is fixedly connected inside the heating hole 15. The heating rod 16 is used to heat the heating hole 15 and the dredging stud 12 to assist in melting the blocked and solidified plastic. The lower end of the heating rod 16 is fixedly connected to the upper side of the protective shell 11.

[0027] The protective shell 11 is polygonally shaped and made of heat-insulating material, which facilitates the corresponding staff to hold and limit the dredging stud 12. A placement cavity 14 is formed inside the protective shell 11, and a storage battery 13 is fixedly connected inside the placement cavity 14. A controller 4 is fixedly connected to the lower side surface of the protective shell 11. The upper end of the dredging stud 12 is pointed, which facilitates the dredging stud 12 to penetrate into the blocked and solidified plastic. At the same time, it can also assist the staff to limit the dredging stud 12 so that the dredging stud 12 can move forward stably. And by holding it by hand, it can avoid damage to the dredging stud 12 caused by excessive insertion force.

[0028] The positioning and clamping device 3 includes a connecting ring rail 34. The connecting ring rail 34 is movably connected with a connecting ring 22. A protective connecting cylinder 37 is fixedly connected to the upper side surface of the connecting ring rail 34, so as to achieve the purpose of protecting the dredging stud 12. At the same time, it is also for connection and positioning, and it is also convenient for the corresponding staff to place. External threads 35 are provided on the outer side surface of the protective connecting cylinder 37. The external threads 35 are threadedly connected with an adapting screw ring 36. A follow-up ring groove 314 is provided on the upper side surface of the thread of the adapting screw ring 36. A power motor 33 is fixedly connected to the outer side surface of the lower end of the protective connecting cylinder 37 through a fixed base 32. A driving gear 31 is fixedly connected to the output shaft of the power motor 33. The driving gear 31 is drivingly connected with a driven gear ring 21.

[0029] A follow-up ring 313 is movably connected in the follow-up ring groove 314. During the downward movement of the adapting screw ring 36, the three adjusting racks 38 will be driven to move downward synchronously through the cooperation of the follow-up ring groove 314 and the follow-up ring 313. Three adjusting racks 38 are fixedly connected to the upper side surface of the follow-up ring 313. The three adjusting racks 38 are respectively drivingly connected with three adjusting gears 39. The three adjusting gears 39 are respectively fixedly connected to the centers of three linkage shafts, and the three linkage shafts are respectively movably connected to three fixed hinge seats 310.

[0030] The three fixed hinge seats 310 are all fixedly connected to the outer side surface of the upper end of the protective connecting cylinder 37. Clamping connecting plates 311 are fixedly connected to both ends of the three linkage shafts. Friction flexible plates 312 are fixedly connected to the upper ends of the three groups of clamping connecting plates 311 through connecting shafts, so as to achieve the purpose of connecting and clamping the clamping nozzle or the appropriate position of the corresponding quasi-columnar plastic extruder that can be clamped and positioned. The output end of the controller 4 is electrically connected to the power motor 33 and the input end of the heating rod 16. The input end of the controller 4 is electrically connected to the output end of the storage battery 13. A charging hole is provided on the controller 4, and the output end of the charging hole is electrically connected to the input end of the storage battery 13.

[0031] The specific operation method of the present utility model:

[0032] When the nozzle of the columnar plastic extruder is blocked, first align the tip of the upper end of the dredging stud 12 with the outlet position of the nozzle of the columnar plastic extruder. Then, the adaptive screw ring 36 can be rotated to cooperate with the external thread 35 to move itself downward. During the downward movement of the adaptive screw ring 36, it will drive the three adjusting racks 38 to move downward synchronously through the cooperation of the follower ring groove 314 and the follower ring 313. During the synchronous downward movement of the three adjusting racks 38, they will drive the three adjusting gears 39 to rotate synchronously. The synchronous rotation of the three adjusting gears 39 can drive the upper ends of the three groups of clamping connecting plates 311 to clamp inward through the three corresponding linkage shafts. Then, the three friction flexible plates 312 can be driven to connect and clamp the nozzle or the appropriate position of the corresponding columnar plastic extruder that can be clamped and positioned. Then, the heating rod 16 and the power motor 33 can be started through the controller 4. The operation of the power motor 33 will drive the driving gear 3131 to rotate. The rotation of the driving gear 3131 can drive the driven gear ring 21 to rotate. The rotation of the driven gear ring 21 will drive the connecting ring cylinder 23 to rotate. During the rotation of the connecting ring cylinder 23, it will be limited through the cooperation of the connecting ring 22 and the connecting rail. Then, hold the protective shell 11 to keep the dredging stud 12 from rotating. Then, the dredging stud 12 can be driven to stably move into the nozzle of the columnar plastic extruder by the rotation of the internal thread 24. During the movement, the heating rod 16 will also assist in melting the blocked and solidified plastic by heating the heating hole 15 and the dredging stud 12. After reaching the appropriate position, the power motor 33 can be reversed through the controller 4 to bring out the blocked plastic through the thread on the outer side of the dredging stud 12. At the same time, the carried blocked plastic will be scraped off by the internal thread 24 for convenient use next time. After use, the adaptive screw ring 36 can be rotated in the reverse direction to release the connection.

[0033] In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention.

[0034] In the present invention, unless otherwise clearly specified and limited, for example, it can be fixedly connected, detachably connected, or integrated; it can be mechanically connected or electrically connected; it can be directly connected or indirectly connected through an intermediate medium. It can be the internal communication of two elements or the interaction relationship between two elements. Unless otherwise clearly limited, for those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0035] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A columnar plastic extruder nozzle dredging device, comprising a controller (4), characterized in that: The controller (4) is fixedly connected to the lower side of the dredging device (1). The dredging device (1) is threadedly connected to a pressure tightening device (2), and the outer side of the pressure tightening device (2) is movably connected to a positioning and clamping device (3).

2. The dredging device for the columnar plastic extruder nozzle according to claim 1, characterized in that: The pressure tightening device (2) includes a connecting ring cylinder (23). An internal thread (24) is provided inside the connecting ring cylinder (23), and the internal thread (24) is threadedly connected to the dredging device (1). A connecting ring (22) is fixedly connected to the lower side of the connecting ring cylinder (23). A driven gear ring (21) is fixedly connected to the outer side of the lower end of the connecting ring cylinder (23), and the driven gear ring (21) is drivingly connected to the positioning and clamping device (3).

3. The clogging removal device for a columnar plastic extruder nozzle according to claim 2, characterized in that: The dredging device (1) includes a dredging stud (12). The dredging stud (12) is threadedly connected to the internal thread (24). A heating hole (15) is provided inside the dredging stud (12), and a heating rod (16) is fixedly connected inside the heating hole (15). The lower end of the heating rod (16) is fixedly connected to the upper side of the protective shell (11).

4. A columnar plastic extruder nozzle dredging device according to claim 3, characterized in that: The protective shell (11) is polygonally arranged. The protective shell (11) is made of heat-insulating material. A placement cavity (14) is provided inside the protective shell (11), and a storage battery (13) is fixedly connected inside the placement cavity (14). The controller (4) is fixedly connected to the lower side of the protective shell (11). The upper end of the dredging stud (12) is provided with a pointed tip.

5. A columnar plastic extruder nozzle dredging device according to claim 4, characterized in that: The positioning and clamping device (3) includes a connecting ring rail (34). The connecting ring rail (34) is movably connected to the connecting ring (22). A protective connecting cylinder (37) is fixedly connected to the upper side of the connecting ring rail (34). An external thread (35) is provided on the outer side of the protective connecting cylinder (37), and the external thread (35) is threadedly connected to an adapting ring (36). A follow-up ring groove (314) is provided on the upper side of the thread of the adapting ring (36). A power motor (33) is fixedly connected to the outer side of the lower end of the protective connecting cylinder (37) through a fixed base (32). A driving gear (31) is fixedly connected to the output shaft of the power motor (33), and the driving gear (31) is drivingly connected to the driven gear ring (21).

6. The columnar plastic extruder nozzle dredging device according to claim 5, characterized in that: A follow-up ring (313) is movably connected inside the follow-up ring groove (314). Three adjusting racks (38) are fixedly connected to the upper side of the follow-up ring (313). The three adjusting racks (38) are respectively drivingly connected to three adjusting gears (39). The three adjusting gears (39) are respectively fixedly connected to the centers of three linkage shafts, and the three linkage shafts are respectively movably connected to three fixed hinge seats (310).

7. The dredging device for the columnar plastic extruder nozzle according to claim 6, characterized in that: The three fixed hinge seats (310) are all fixedly connected to the outer side surface of the upper end of the protection connecting cylinder (37), and clamping connecting plates (311) are fixedly connected to both ends of the three linkage shafts. Friction flexible plates (312) are fixedly connected to the upper ends of the three groups of clamping connecting plates (311) through connecting shafts. The output end of the controller (4) is electrically connected to the input end of the power motor (33) and the heating rod (16). The input end of the controller (4) is electrically connected to the output end of the storage battery (13). A charging hole is arranged on the controller (4), and the output end of the charging hole is electrically connected to the input end of the storage battery (13).

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