Stable traction device of plastic extruding machine

Abstract

The utility model discloses a stable traction device of a plastic extruding machine, which comprises a lower frame, a lower transmission shaft, a lower traction belt, an upper frame, an upper transmission shaft and an upper traction belt, and the lower transmission shaft is movably mounted in the lower frame. According to the stable traction device of the plastic extruding machine, a groove part in an extruded U-shaped plastic profile is clamped into the convex strip belt, the bottom ends of the vertical plates on the two sides of the profile groove are attached to the flat belts on the two sides of the convex strip belt, so that the profile cannot deviate on the convex strip belt, meanwhile, the top of the U-shaped plastic profile is attached to the outer ring belt, and therefore the U-shaped plastic profile can be stably extruded. When the two motors drive the lower transmission shaft and the upper transmission shaft to rotate through the same power, the U-shaped plastic profile is pulled between the convex strip and the outer ring belt, and stable limiting traction is achieved under the cooperation of the profile groove and the convex strip.

Description

Technical Field

[0001] The utility model relates to the technical field of extruders, in particular to a stabilizing traction device for an extruder. Background Art

[0002] During the extrusion process of the extruder, if there is no traction device involved or the traction is not stable enough, the extruded product may be displaced.

[0003] The main reason is that when the extruder is producing products, such as plastic profiles for doors and windows, most of their cross-sections are U-shaped. After the plastic profile is extruded out of the extruder, if the U-shaped plastic profile deviates due to the extruder, the U-shaped plastic profile cannot be limited. During the extrusion or traction process, the deviation will be magnified, resulting in the problem of traction deviation and profile deformation. Utility Model Content

[0004] The purpose of the utility model is to provide a stable traction device for an extruder to solve the problem in the above background technology that the U-shaped plastic profile cannot be limited, and the deviation during the extrusion or traction process will be amplified, resulting in deformation of the traction offset profile.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a stable traction device for an extruder, comprising a lower frame, a lower transmission shaft, a lower traction belt, an upper frame, an upper transmission shaft and an upper traction belt, the lower transmission shaft is movably installed inside the lower frame, the outer sides of the two lower transmission shafts are wrapped with lower traction belts, the top of the lower frame is fixedly installed with the upper frame, the upper transmission shaft is movably installed inside the upper frame, the outer sides of the two upper transmission shafts are wrapped with upper traction belts, an inwardly inclined arc-shaped belt is provided on the lower traction belt, a convex strip is fixedly connected between the two arc-shaped belts, and an outer ring belt is similarly fixedly connected to the outer side of the upper traction belt.

[0006] Preferably, a 2 cm flat belt is provided on both sides of the convex strip, and the convex strip is spliced by the flat belt and the arc belt.

[0007] Preferably, the width of the outer ring belt is the same as the width of the two arc-shaped belts spliced together.

[0008] Preferably, the lower transmission shaft is driven by an outer motor, and the upper transmission shaft is also driven by an outer motor, and the power of the two motors is the same.

[0009] Preferably, the convex strip is located below the outer ring belt, and the convex strip is located at the center of the outer ring belt.

[0010] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0011] The utility model provides a stabilizing traction device for an extruder. The device is designed according to the unique shape of a U-shaped plastic profile, so that the groove portion of the U-shaped plastic profile is buckled on a convex strip, and the protruding portion of the convex strip extends into the groove of the U-shaped plastic profile to limit the U-shaped plastic profile, thereby preventing the U-shaped plastic profile from deflecting during the traction process and avoiding deformation of the U-shaped plastic profile. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a side view of the entire utility model;

[0013] Figure 2 It is a top view of the convex strip of the utility model;

[0014] Figure 3 It is a top view of the outer ring belt of the utility model.

[0015] In the figure: 1. lower frame; 2. lower transmission shaft; 3. lower traction belt; 4. arc belt; 5. convex strip belt; 6. upper frame; 7. upper transmission shaft; 8. upper traction belt; 9. outer ring belt. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the implementation regulations described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0017] See also Figure 1-3 The upper and lower frames are fixed with the upper and lower frames 6, and the lower and lower frames 6 are fixed with the upper and lower frames 6.

[0018] Furthermore, a 2 cm flat belt is provided on both sides of the convex strip 5. The convex strip 5 is spliced with the arc belt 4 through the flat belt. The bottom ends of the vertical plates on both sides of the profile groove are attached to the flat belts on both sides of the convex strip 5 to maintain the stability of the bottom of the profile.

[0019] Furthermore, the width of the outer ring belt 9 is the same as the width of the two arc-shaped belts 4 spliced together, so that the outer ring belt 9 and the two arc-shaped belts 4 can both cover the width of the profile.

[0020] Furthermore, the lower transmission shaft 2 is driven by an outer motor, and the upper transmission shaft 7 is also driven by an outer motor, and the two motors have the same power, and the transmission speed between the lower traction belt 3 and the upper traction belt 8 is the same.

[0021] Furthermore, the convex strip 5 is located below the outer ring belt 9 , and the convex strip 5 is located at the center of the outer ring belt 9 , and the profile is stuck in the convex strip 5 so that the profile is always located at the center of the outer ring belt 9 .

[0022] Working principle: The utility model is a stable traction device for an extruder. When in use, the groove part of the extruded U-shaped plastic profile is stuck in the convex strip 5, and the bottom ends of the vertical plates on both sides of the profile groove are attached to the flat belts on both sides of the convex strip 5, so that the profile will not deviate on the convex strip 5. At the same time, the top of the U-shaped plastic profile is attached to the outer ring belt 9. When the two motors drive the lower transmission shaft 2 and the upper transmission shaft 7 to rotate respectively with the same power, the U-shaped plastic profile is pulled between the convex strip 5 and the outer ring belt 9. With the cooperation of the profile groove and the convex strip 5, stable limited traction is achieved.

[0023] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A stabilizing traction device for an extruder, comprising a lower frame (1), a lower transmission shaft (2), a lower traction belt (3), an upper frame (6), an upper transmission shaft (7) and an upper traction belt (8), wherein the lower transmission shaft (2) is movably mounted inside the lower frame (1), the outer sides of the two lower transmission shafts (2) are both wound with the lower traction belt (3), the top end of the lower frame (1) is fixedly mounted with the upper frame (6), the upper transmission shaft (7) is movably mounted inside the upper frame (6), and the outer sides of the two upper transmission shafts (7) are both wound with the upper traction belt (8), characterized in that: The lower traction belt (3) is provided with an inwardly inclined arcuate belt (4), a convex belt (5) is fixedly connected between the two arcuate belts (4), and an outer ring belt (9) is fixedly connected to the outer side of the upper traction belt (8).

2. The stabilizing traction device for an extruder according to claim 1, characterized in that: Both sides of the convex strip (5) are provided with 2 cm flat strips, and the convex strip (5) is spliced with the flat strip and the arc strip (4) through the flat strip.

3. The stabilizing traction device for an extruder according to claim 1, characterized in that: The width of the outer ring belt (9) is the same as the width of the two arc-shaped belts (4) spliced together.

4. The stabilizing traction device for an extruder according to claim 1, characterized in that: The lower transmission shaft (2) is driven by an outer motor, and the upper transmission shaft (7) is also driven by an outer motor, and the two motors have the same power.

5. The stabilizing traction device for an extruder according to claim 1, characterized in that: The convex strip (5) is located below the outer ring belt (9), and the convex strip (5) is located at the center of the outer ring belt (9).

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