Automatic water cooling mechanism for plastic strips

Abstract

The utility model discloses an automatic water cooling mechanism for plastic strips, which comprises a water tank, a fixed seat, a floating seat, a first guide mechanism and a second guide mechanism, the fixed seat and the floating seat are arranged in the water tank at an interval, the first guide mechanism is arranged on the fixed seat, the second guide mechanism is arranged on the floating seat, and the first guide mechanism and the second guide mechanism are arranged on the floating seat. Each of the first guide mechanism and the second guide mechanism comprises a mandrel, a rotating sleeve, a cantilever and a wire guide wheel, the rotating sleeve is rotatably arranged on the mandrel, the cantilever is arranged on the outer circle of the rotating sleeve in an annular array mode and extends in the radial direction of the rotating sleeve, the wire guide wheel is horizontally arranged at the tail end of the cantilever, annular grooves are formed in the wire guide wheel at intervals, and the rotating sleeve is arranged in the annular grooves. The inner diameters of the annular grooves in the wire guide wheels at the tail ends of the different cantilevers are different. By means of the mode, according to the automatic water cooling mechanism for the plastic strip, the plastic strip is cooled and solidified through the cooling water in the water tank, the tension change of the plastic strip is reduced, and the deformation problem of the plastic strip is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic particle production, in particular to an automatic water cooling mechanism for plastic strips. Background Art

[0002] In the production process of plastic particles, the raw materials need to be mixed first, and then extruded using an extruder to obtain plastic strips. After the plastic strips are cooled and solidified, they are pelletized to obtain plastic particles of corresponding length.

[0003] The diameter of the plastic particles is determined by the diameter of the plastic strip, which is determined by the extrusion hole on the extruder die head. However, the cross section of the plastic strip will deform during the cooling and solidification process and is often not round, which affects the appearance quality of the plastic particles. There are two reasons for the deformation of the cross section of the plastic strip. One reason is that the inner diameter of the ring groove of the wire wheel does not match the outer diameter of the plastic strip after extrusion, which causes the plastic strip to deform when passing through the wire wheel during the solidification process. The other reason is that the tension of the plastic strip changes greatly during the cooling and solidification process, and the plastic strip is stretched or blocked and deformed, which needs to be improved. Utility Model Content

[0004] The main technical problem solved by the utility model is to provide an automatic water cooling mechanism for a plastic strip, so as to carry out water cooling and solidification of the plastic strip and improve the diameter stability of the plastic strip.

[0005] In order to solve the above technical problems, a technical solution adopted by the utility model is: to provide an automatic water cooling mechanism for a plastic strip, comprising: a water tank, a fixed seat, a floating seat, a first guide mechanism and a second guide mechanism, the fixed seat and the floating seat are arranged in the water tank at intervals, the first guide mechanism is arranged on the fixed seat, and the second guide mechanism is arranged on the floating seat, the first guide mechanism and the second guide mechanism respectively include a core shaft, a rotating sleeve, a cantilever and a wire wheel, the rotating sleeve is rotatably arranged on the core shaft, the cantilever annular array is arranged on the outer circle of the rotating sleeve and extends radially along the rotating sleeve, the wire wheel is horizontally arranged at the end of the cantilever, and annular grooves are arranged on the wire wheel at intervals, and the inner diameters of the annular grooves on the wire wheels at different cantilever ends are different.

[0006] In a preferred embodiment of the present invention, the floating seat is located in front of the fixed seat.

[0007] In a preferred embodiment of the present invention, a slide rail corresponding to the floating seat is vertically arranged in the water tank.

[0008] In a preferred embodiment of the present invention, a limiting screw located above the floating seat is provided on the slide rail.

[0009] In a preferred embodiment of the present utility model, a water inlet pipe is provided on one side of the water tank.

[0010] In a preferred embodiment of the present invention, a water return pipe is provided on the other side of the water tank opposite to the water inlet pipe.

[0011] In a preferred embodiment of the present invention, the core shaft is horizontally arranged on a corresponding fixed seat or floating seat along the width direction of the water tank.

[0012] In a preferred embodiment of the present invention, the number of the cantilevers is at least 2.

[0013] The beneficial effects of the utility model are as follows: the utility model points out an automatic water cooling mechanism for plastic strips, the plastic strips are introduced into the water tank through the first guide mechanism, the cooling water in the water tank is used to cool and solidify the plastic strips, and the second guide mechanism is used to lead the plastic strips out of the water tank, the second guide mechanism can float with the floating seat, has good adaptability to the drawing process of the plastic strips, reduces tension changes, and can also guide the plastic strips by selecting the corresponding wire wheel at the end of the cantilever through the rotation of the rotating sleeve, and utilizes the annular groove on the wire wheel that matches the diameter of the plastic strip to avoid deformation of the plastic strip, thereby improving the roundness and uniformity of the diameter of the plastic strips, which is beneficial to ensuring the appearance quality of subsequent plastic particles. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative work, among which:

[0015] Figure 1 This is a structural schematic diagram of a preferred embodiment of a plastic strip automatic water cooling mechanism of the utility model;

[0016] Figure 2 yes Figure 1 Top view of the center wire pulley. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the present invention are described clearly and completely below. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0018] See also Figure 1~Figure 2 , the utility model embodiment includes:

[0019] like Figure 1The automatic water cooling mechanism of the plastic strip shown includes: a water tank 1, a fixed seat 6, a floating seat 5, a first guide mechanism 7 and a second guide mechanism 9. A water inlet pipe 3 is provided on one side of the water tank 1 to facilitate the introduction of cooling water into the water tank 1. A return pipe 2 is provided on the other side of the water tank 1 opposite to the water inlet pipe 3 to discharge the cooling water, which is convenient for connecting to a chiller for circulating cooling.

[0020] The fixed seat 6 and the floating seat 5 are arranged in the water tank 1 at intervals, the first guide mechanism 7 is arranged on the fixed seat 6, and the second guide mechanism 9 is arranged on the floating seat 5. In this embodiment, the floating seat 5 is located in front of the fixed seat 6, that is, the second guide mechanism 9 is located in front of the first guide mechanism 7. The plastic strip 10 is pulled after extrusion under the action of the pulling device. The plastic strip 10 is first introduced into the water tank 1 through the first guide mechanism 7, and the cooling water in the water tank 1 is used to cool and solidify the plastic strip 10, and the second guide mechanism 9 is used to guide the plastic strip 10 out of the water tank 1, so as to facilitate the subsequent pelletizing.

[0021] In this embodiment, the first guide mechanism 7 and the second guide mechanism 9 respectively include a core shaft 11, a rotating sleeve 12, a cantilever 13 and a guide wheel 14. The core shaft 11 is horizontally arranged on the corresponding fixed seat 6 or floating seat 5 along the width direction of the water tank. The rotating sleeve 12 is rotatably arranged on the core shaft 11. The passive rotation switching of the rotating sleeve 12 is supported by the core shaft 11 to adapt to plastic strips of different diameters.

[0022] The cantilevers 13 are arranged in a circular array on the outer circle of the rotating sleeve 12 and extend radially along the rotating sleeve 12. The wire wheel 14 is horizontally arranged at the end of the cantilever 13. The number of the cantilevers 13 is at least 2. In this embodiment, three cantilevers 13, that is, three wire wheels 14, are installed in a circular array on the outer circle of the rotating sleeve 12.

[0023] like Figure 2 As shown, annular grooves 15 are arranged at intervals on the wire wheel 14 to guide the plastic strip 10. In this embodiment, the inner diameters of the annular grooves on the wire wheels 14 at the ends of different cantilevers 13 are different, and the three wire wheels 14 are adapted to plastic strips 10 of three diameters. During the production process, the wire wheel 14 at the end of the corresponding cantilever is selected to guide the plastic strip by rotating the rotating sleeve 12, and the annular groove on the wire wheel 14 that matches the diameter of the plastic strip is used to avoid the deformation of the plastic strip, thereby improving the roundness of the diameter of the plastic strip and evenly distributing the diameter, which is conducive to ensuring the appearance quality of the subsequent plastic particles.

[0024] like Figure 1As shown, a slide rail 4 corresponding to the floating seat 5 is vertically arranged in the water tank 1 to guide the floating seat 5 so that the second guide mechanism 9 can float with the floating seat 5, which has good adaptability to the stretching process of the plastic strip 10, reduces tension changes, and is conducive to improving the diameter uniformity of the plastic strip 10. In this embodiment, a limit screw 8 located above the floating seat 5 is arranged on the slide rail 4 to limit the rise of the floating seat 5 and prevent the floating seat 5 from falling off the slide rail 4.

[0025] In summary, the automatic water cooling mechanism for plastic strips disclosed in the utility model can perform water-cooling solidification of plastic strips, thereby reducing deformation problems during the solidification process and improving the diameter roundness and diameter distribution uniformity of the plastic strips.

[0026] The above are only embodiments of the present invention, and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A plastic strip automatic water cooling mechanism, characterized in that: include: A water trough, a fixed seat, a floating seat, a first guide mechanism and a second guide mechanism, wherein the fixed seat and the floating seat are arranged at intervals in the water trough, the first guide mechanism is arranged on the fixed seat, and the second guide mechanism is arranged on the floating seat, the first guide mechanism and the second guide mechanism respectively include a core shaft, a rotating sleeve, a cantilever and a wire wheel, the rotating sleeve is rotatably arranged on the core shaft, the cantilever annular array is arranged on the outer circle of the rotating sleeve and extends radially along the rotating sleeve, the wire wheel is horizontally arranged at the end of the cantilever, and annular grooves are arranged at intervals on the wire wheel, and the inner diameters of the annular grooves on the wire wheels at different cantilever ends are different.

2. The automatic water cooling mechanism for plastic strips according to claim 1, characterized in that: The floating seat is located in front of the fixed seat.

3. The automatic water cooling mechanism for plastic strips according to claim 1, characterized in that: A slide rail corresponding to the floating seat is vertically arranged in the water tank.

4. The automatic water cooling mechanism for plastic strips according to claim 3, characterized in that: The slide rail is provided with a limiting screw located above the floating seat.

5. The automatic water cooling mechanism for plastic strips according to claim 1, characterized in that: A water inlet pipe is arranged on one side of the water tank.

6. The automatic water cooling mechanism for plastic strips according to claim 5, characterized in that: A water return pipe is arranged on the other side of the water tank opposite to the water inlet pipe.

7. The automatic water cooling mechanism for plastic strips according to claim 1, characterized in that: The core shaft is horizontally arranged on a corresponding fixed seat or floating seat along the width direction of the water tank.

8. The automatic water cooling mechanism for plastic strips according to claim 1, characterized in that: The number of the cantilevers is at least 2.

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