Winding mechanism and film blowing machine convenient to move

Abstract

The utility model relates to the technical field of winding mechanisms, in particular to a winding mechanism and a film blowing machine convenient to move, which comprises a base, two groups of supporting plates are fixed at the top of the base, and the supporting plates are arranged in bilateral symmetry; a groove is formed in the second positioning rotating shaft, a spring is arranged in the groove, the other side of the spring is connected to the bottom of a positioning column, and a limiting block is arranged on the surface of the top of the positioning column; a positioning block is arranged on one side of the winding roller, and a transmission shaft is arranged on the other side of the winding roller; the winding device has the beneficial effects that a positioning block of a winding roller is fixed in a groove of a first positioning rotating shaft, a positioning column is pulled out through a limiting strip, so that a limiting block on the positioning column is clamped in a groove corresponding to a rotating shaft, a limiting plate is rotated to drive a circular ring to rotate, the limiting strip is rotated, and the limiting strip is clamped in a limiting groove; in this way, the wind-up roller and the second positioning rotating shaft are fixed together through the positioning column, and rapid installation is achieved.

Description

Technical Field

[0001] The utility model relates to the field of winding mechanisms, in particular to a winding mechanism and a film blowing machine convenient to move. Background Technique

[0002] During the production process of plastic films, a film blowing machine is mainly used for production. The raw materials are heated to a molten state and extruded through an extrusion mechanism, and a film bubble is blown out by compressed air to produce a film, which is finally wound into a roll by a winding mechanism.

[0003] In the prior art, the winding roller is firmly fixed at its working position by fastening screws or clamps.

[0004] However, in the prior art, since the amount of plastic film that the winding roller can wind is limited, when the limit value is reached, another winding roller needs to be replaced. When removing or installing the winding roller, it is realized by manual operation. The whole operation process is rather cumbersome, and it is difficult to install or remove quickly, which affects the work efficiency. Content of the Utility Model

[0005] The purpose of the utility model is to provide a winding mechanism and a film blowing machine convenient to move, so as to solve the problems put forward in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solution: a winding mechanism, the winding mechanism includes:

[0007] A base, on the top of the base is fixed a support plate, and the support plate is provided with two groups of left and right symmetry.

[0008] A second positioning rotating shaft, inside the second positioning rotating shaft is provided with a groove, inside the groove is provided with a spring, the other side of the spring is connected to the bottom of the positioning post, and on the top surface of the positioning post is provided with a limiting block; and

[0009] A winding roller, on one side of the winding roller is provided with a positioning block, and on the other side of the winding roller is provided with a transmission shaft.

[0010] Preferably, the upper surface is provided with a groove, inside the groove is provided with a first positioning rotating shaft, the first positioning rotating shaft can freely rotate in the groove of the support plate, and inside the first positioning rotating shaft is provided with a groove for docking with the surface protrusion of the positioning block.

[0011] Preferably, the second positioning rotating shaft is arranged in the middle of the groove of another second positioning rotating shaft, the second positioning rotating shaft can also rotate in the support plate, and the outside of the second positioning rotating shaft is connected with a motor.

[0012] Preferably, on the inner surface of the second positioning rotating shaft are opened a long groove, a limiting groove and a groove.

[0013] Preferably, an external thread line is provided at the bottom of the positioning post, and a ring with an internal thread line is arranged on the external thread line in a meshing connection. A limiting plate is provided on the surface of the ring, a groove is provided inside the limiting plate, a rotating shaft is provided inside the groove, and a limiting strip is connected to one side of the rotating shaft. The limiting strip can rotate by ° through the rotating shaft.

[0014] Preferably, a groove is formed on the surface of the transmission shaft, and the shape of the groove is the same as that of the limiting block.

[0015] A film blowing machine convenient for moving includes the above-mentioned winding mechanism.

[0016] Compared with the prior art, the beneficial effects of the present utility model are:

[0017] The present utility model first fixes the positioning block of the winding roller in the groove of the first positioning rotating shaft, pulls out the positioning post through the limiting strip, so that the limiting block on the positioning post is stuck in the corresponding groove of the rotating shaft, rotates the limiting plate to drive the rotation of the ring, and rotates the limiting strip to make the limiting strip stuck in the limiting groove. In this way, the winding roller and the second positioning rotating shaft are fixed together through the positioning post, realizing rapid installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;

[0019] Figure 2 is a three-dimensional structural schematic diagram of another perspective of the present utility model;

[0020] Figure 3 is a sectional structural schematic diagram of the present utility model;

[0021] Figure 4 is Figure 2 an enlarged structural schematic diagram of part A in

[0022] Figure 5 is Figure 3 an enlarged structural schematic diagram of part B in

[0023] In the figure: 1 base, 2 winding roller, 3 support plate, 4 first positioning rotating shaft, 5 second positioning rotating shaft, 6 positioning block, 7 transmission shaft, 8 limiting block, 9 limiting strip, 10 limiting plate, 11 ring, 12 spring, 13 positioning post, 14 limiting groove, 15 long groove. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0024] In order to clearly and completely describe the purpose and technical solutions of the present utility model, and make the advantages more clearly understood, the following further details the embodiments of the present utility model with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are some embodiments of the present utility model, rather than all embodiments, and are only used to explain the embodiments of the present utility model, not to limit the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present utility model.

[0025] Embodiment 1

[0026] Please refer to Figures 1 - 5 , the present utility model provides a technical solution: a winding mechanism, the winding mechanism includes: a base 1, a support plate 3 is fixed on the top of the base 1, and the support plate 3 is provided in two groups that are symmetric left and right; a second positioning shaft 5, a groove is provided inside the second positioning shaft 5, a spring 12 is provided inside the groove, the other side of the spring 12 is connected to the bottom of the positioning post 13, and a limiting block 8 is provided on the top surface of the positioning post 13; and a winding roller 2, a positioning block 6 is provided on one side of the winding roller 2, a transmission shaft 7 is provided on the other side of the winding roller 2, a groove is provided on the upper surface of 3, a first positioning shaft 4 is provided inside the groove, the first positioning shaft 4 can rotate freely in the groove of the support plate 3, a groove for docking with the surface protrusion of the positioning block 6 is provided inside the first positioning shaft 4, the positioning block 6 of the winding roller 2 is fixed in the groove of the first positioning shaft 4, the positioning post 13 is pulled out by the limiting strip 9, so that the limiting block 8 on the positioning post 13 is stuck in the corresponding groove of the rotating shaft 7, and the limiting plate 10 is rotated to drive the rotation of the ring 11.

[0027] Embodiment 2

[0028] On the basis of Embodiment 1, the second positioning shaft 5 is arranged in the middle of the groove of another second positioning shaft 5, and the second positioning shaft 5 can also rotate in the support plate 3. A motor is connected to the outside of the second positioning shaft 5. A long groove 15, a limiting groove 14 and a groove are provided on the inner surface of the second positioning shaft 5. The limiting strip 9 is rotated so that the limiting strip 9 is stuck in the limiting groove 14, so that the winding roller 2 and the second positioning shaft 5 are fixed together by the positioning post 13, realizing quick installation.

[0029] Embodiment 3

[0030] On the basis of the second embodiment, an external thread line is provided at the bottom of the positioning column 13, and a ring 11 with an internal thread line is arranged on the external thread line, being in meshing connection. A limiting plate 10 is provided on the surface of the ring 11, a groove is provided inside the limiting plate 10, a rotating shaft is provided inside the groove, a limiting strip 9 is connected to one side of the rotating shaft, and the limiting strip 9 can rotate 90° through the rotating shaft. Grooves are formed on the surface of the transmission shaft 7, and the shapes of the grooves are the same as those of the limiting blocks 8. When the winding roller 2 needs to be removed, the limiting strip 9 is rotated to the vertical position to disengage from the limiting groove 14, and the limiting plate 10 is rotated in the opposite direction to drive the circular plate 11 to rotate. When the limiting plate 10 rotates into the long groove 15, just release the hand. The spring 12 returns to its original position and gives a pulling force to the limiting column, bringing back the limiting column 13, and the limiting block 8 disengages from the groove of the rotating shaft, then the winding roller 2 can be removed.

[0031] In actual use, first fix the positioning block 6 of the winding roller 2 in the groove of the first positioning rotating shaft 4, pull out the positioning column 13 through the limiting strip 9, so that the limiting block 8 on the positioning column 13 is stuck in the corresponding groove of the rotating shaft 7, rotate the limiting plate 10 to drive the rotation of the ring 11, and rotate the limiting strip 9 so that the limiting strip 9 is stuck in the limiting groove 14. In this way, the winding roller 2 and the second positioning rotating shaft 5 are fixed together through the positioning column 13, realizing rapid installation. When the winding roller 2 needs to be removed, the limiting strip 9 is rotated to the vertical position to disengage from the limiting groove 14, and the limiting plate 10 is rotated in the opposite direction to drive the circular plate 11 to rotate. When the limiting plate 10 rotates into the long groove 15, just release the hand. The spring 12 returns to its original position and gives a pulling force to the limiting column, bringing back the limiting column 13, and the limiting block 8 disengages from the groove of the rotating shaft, then the winding roller 2 can be removed.

[0032] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A rewinding mechanism, characterized in that: The described winding mechanism includes: A base (1), on the top of the base (1), a support plate (3) is fixed, and the support plate (3) is provided in two groups which are symmetric left and right; A second positioning shaft (5), inside the second positioning shaft (5) there is a groove, inside the groove there is a spring (12), the other side of the spring (12) is connected to the bottom of a positioning post (13), and on the top surface of the positioning post (13) there is a limit block (8); and A winding roller (2), on one side of the winding roller (2) there is a positioning block (6), and on the other side of the winding roller (2) there is a transmission shaft (7).

2. The rewinding mechanism according to claim 1, wherein: On the upper surface of the support plate (3) there is a groove, inside the groove there is a first positioning shaft (4), the first positioning shaft (4) can rotate freely in the groove of the support plate (3), and inside the first positioning shaft (4) there is a groove for docking with the surface protrusion of the positioning block (6).

3. The rewinding mechanism according to claim 2, wherein: The second positioning shaft (5) is arranged in the middle of the groove of another second positioning shaft (5), the second positioning shaft (5) can also rotate in the support plate (3), and the outside of the second positioning shaft (5) is connected to a motor.

4. The rewinding mechanism according to claim 3, wherein: On the inner surface of the second positioning shaft (5) there are a long groove (15), a limit groove (14) and a groove.

5. The rewinding mechanism according to claim 4, characterized in that: On the bottom of the positioning post (13) there is an external thread, a ring (11) with an internal thread is arranged on the external thread and is in meshing connection, on the surface of the ring (11) there is a limit plate (10), inside the limit plate (10) there is a groove, inside the groove there is a rotating shaft, and on one side of the rotating shaft there is a limit strip (9), and the limit strip (9) can rotate 90° through the rotating shaft.

6. The rewinding mechanism according to claim 5, wherein: On the surface of the transmission shaft (7) there is a groove, and the shape of the groove is the same as the shape of the limit block (8).

7. A film blowing machine that is convenient to move, characterized in that: It includes the winding mechanism described in any one of claims 1-6 of the above claim book.

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