Automatic cloth spreading device of pre-shrinking machine

Abstract

The utility model discloses an automatic cloth spreading device of a preshrinking machine, which comprises a base, a support frame is connected onto the base in a sliding manner, a cloth spreading roller is rotatably connected onto the support frame, a pressing bracket is connected onto the support frame in a lifting manner, a pressing roller is rotatably connected onto the pressing bracket, the pressing roller is positioned above the cloth spreading roller, and the cloth spreading roller is positioned above the pressing bracket. The downward pressing support is provided with a rotation driving mechanism connected with the downward pressing roller, a lifting driving mechanism is arranged between the downward pressing support and the supporting frame, and a translation driving mechanism is arranged between the supporting frame and the base, so that automatic centering in cloth spreading and conveying is achieved, labor is greatly saved, centering is timely, and efficiency is high.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of fabric preshrinking equipment, more particularly to a kind of automatic spreading device of preshrinking machine. BACKGROUND

[0002] Fabric needs to be preshrunk after manufacturing, and during preshrinking, the end of the fabric is first spread and placed in the preshrinking machine, and the fabric is automatically pulled forward by the preshrinking machine. Currently, the fabric is spread manually, and the end of the fabric is manually centered in the width direction (width direction) when placed in the preshrinking machine. When the fabric is pulled forward by the preshrinking machine, the edges of the fabric are manually pulled to keep it centered. During the subsequent fabric feeding process, the worker needs to continuously monitor the centering of the fabric. If the fabric is not centered, the edges of the fabric need to be pulled to keep it centered. Therefore, the manual labor is intensive, the centering is not timely, and the efficiency is low. SUMMARY

[0003] To overcome the shortcomings of the prior art, the utility model provides an automatic spreading device for a preshrinking machine, which can automatically center the fabric during spreading and conveying, greatly saving labor, centering timely, and high efficiency.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an automatic spreading device for a preshrinking machine, comprising a base, a support frame slidably connected to the base, a spreading roller rotatably connected to the support frame, a pressing frame connected to the support frame, a pressing roller rotatably connected to the pressing frame, the pressing roller being located above the spreading roller, a rotating drive mechanism connected to the pressing roller being provided on the pressing frame, a lifting drive mechanism being provided between the pressing frame and the support frame, and a translation drive mechanism being provided between the support frame and the base.

[0005] Further, the rotating drive mechanism comprises a motor bracket on the pressing frame and a drive motor on the motor bracket, and the drive motor is connected to the pressing roller.

[0006] Further, the lifting drive mechanism comprises a fixed bracket on the support frame and an electric telescopic rod on the fixed bracket, the rod of the electric telescopic rod is connected to the pressing frame, a lifting guide rod is provided on the fixed bracket, and the pressing frame is slidably connected to the lifting guide rod.

[0007] Further, a sliding rail and sliding block mechanism is provided between the pressing frame and the support frame.

[0008] Further, the translation drive mechanism comprises a lead screw and a translation guide rod, the lead screw is threadedly connected to the support frame, one end of the lead screw is connected to a translation motor, and the support frame is slidably connected to the translation guide rod.

[0009] Further, two sides of the support frame are provided with sensor supports, the sensor supports are provided with sensors, the sensor supports are located on the base, and the sensors are arranged on both sides in the width direction of the cloth.

[0010] Compared with the prior art, the beneficial effects of the utility model are that when the cloth is not centered, and is inclined in the width direction, the lower pressing roller presses on the cloth, the cloth is clamped by the spreading roller, then the support frame translates in the width direction of the cloth, the cloth moves until it is centered, after a period of time, the lower pressing support rises to release the cloth, the cloth can be centered and conveyed, automatic centering in the cloth spreading and conveying is realized, labor is greatly saved, centering is timely, and the efficiency is high. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is a structure schematic view of the automatic cloth spreading device of the shrinkage machine.

[0012] The drawings are as follows: base 1, support frame 2, cloth spreading roller 3, lower pressing support 4, lower pressing roller 5, motor support 6, driving motor 7, fixed support 8, electric telescopic rod 9, lifting guide rod 10, screw rod 11, translation guide rod 12, sensor support 13. DETAILED DESCRIPTION

[0013] In the description of the utility model, it should be explained that for the orientation words, if the terms "center", "transverse (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate the orientation and positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the indicated device or element must have a specific orientation, a specific orientation and operation, and cannot be understood as limiting the specific protection scope of the utility model.

[0014] In addition, if the terms "first" and "second" are used for the purpose of description, they cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features. Therefore, the "first" and "second" features can be explicitly or implicitly included one or more features, and the meaning of "several" and "several" in the description of the utility model is two or more than two, unless otherwise explicitly specified.

[0015] REFERENCE Figure 1 The utility model is further explained.

[0016] An automatic spreading device of a pre-shrinking machine, comprising a base 1, a supporting frame 2 slidably connected to the base 1, a spreading roller 3 rotatably connected to the supporting frame 2, a pressing frame 4 liftably connected to the supporting frame 2, and a pressing roller 5 rotatably connected to the pressing frame 4 and located above the spreading roller 3, a rotating driving mechanism connected to the pressing roller 5 and arranged on the pressing frame 4, a lifting driving mechanism arranged between the pressing frame 4 and the supporting frame 2, and a translation driving mechanism arranged between the supporting frame 2 and the base 1.

[0017] As shown in Figure 1 the preferred embodiment of the present example, the rotating driving mechanism comprises a motor bracket 6 arranged on the pressing frame 4 and a driving motor 7 arranged on the motor bracket 6 and connected to the pressing roller 5.

[0018] As shown in Figure 1 the preferred embodiment of the present example, the lifting driving mechanism comprises a fixed bracket 8 arranged on the supporting frame 2 and an electric telescopic rod 9 arranged on the fixed bracket 8 and having a rod portion connected to the pressing frame 4, a lifting guide rod 10 arranged on the fixed bracket 8, and the pressing frame 4 slidably connected to the lifting guide rod 10.

[0019] As shown in Figure 1 the preferred embodiment of the present example, a sliding rail and sliding block mechanism is arranged between the pressing frame 4 and the supporting frame 2.

[0020] As shown in Figure 1 the preferred embodiment of the present example, the translation driving mechanism comprises a lead screw 11 threadedly connected to the supporting frame 2, a translation motor (not shown in the drawing) connected to one end of the lead screw 11, and a translation guide rod 12 slidably connected to the supporting frame 2.

[0021] As shown in Figure 1 the preferred embodiment of the present example, a sensor bracket 13 is arranged on each side of the supporting frame 2, a sensor is arranged on each sensor bracket 13, each sensor bracket 13 is arranged on the base 1, and a sensor is arranged on each side in the width direction of the cloth.

[0022] As shown in Figure 1As shown, the cloth roll is unwound on the unwinding frame, and the cloth enters the body of the preshrinking machine after contacting the unwinding roller 3, the centering condition of the cloth before entering the preshrinking machine is detected by the sensors on the front and back and left and right sides of the cloth, when the cloth appears to be inclined in the width direction, the electric telescopic rod 9 on the fixed support 8 drives the lower pressing support 4 to descend, so that the lower pressing roller 5 on the lower pressing support 4 presses on the cloth contacting the unwinding roller 3, and the driving motor 7 is started to drive the lower pressing roller 5 to rotate, then the translation motor drives the screw rod 11 to rotate to make the support frame 2 translate on the base 1, the translation direction is the width direction of the cloth, so that the cloth can be moved under the action of the pair of pressing rollers and the unwinding roller 3 to keep the centering, after keeping for a period of time, the lower pressing support 4 is lifted to release the cloth, so that the cloth can be kept centered and conveyed, the automatic centering in the unwinding and conveying is realized, the labor is greatly saved, the centering is timely, and the efficiency is high.

[0023] The preferred embodiments of the present application are described above, the protection scope of the present application is not limited to the above-mentioned embodiments, any technical scheme falling within the idea of the present application belongs to the protection scope of the present application. It should be noted that, for ordinary skilled in the art, some improvements and decorations without departing from the principle of the present application can also be considered as the protection scope of the present application.

Claims

1. An automatic spreading device for a pre-shrinking machine, characterized in that: The base is provided with a support frame connected therewith in sliding mode, an unrolling roller is rotatably connected to the support frame, a pressing frame is connected to the support frame in lifting mode, a pressing roller is rotatably connected to the pressing frame and located above the unrolling roller, a rotating drive mechanism for the pressing roller is arranged on the pressing frame, a lifting drive mechanism is arranged between the pressing frame and the support frame, and a translation drive mechanism is arranged between the support frame and the base.

2. The automatic spreading device of a pre-shrinking machine according to claim 1, characterized in that: The rotating drive mechanism comprises a motor support arranged on the pressing frame and a drive motor arranged on the motor support and connected to the pressing roller.

3. The automatic spreading device of a pre-shrinking machine according to claim 1, characterized in that: The lifting drive mechanism comprises a fixing support arranged on the support frame and an electric telescopic rod arranged on the fixing support and having a rod portion connected to the pressing frame, a lifting guide rod is arranged on the fixing support, and the pressing frame is connected to the lifting guide rod in sliding mode.

4. The automatic spreading device of a pre-shrinking machine according to claim 1, characterized in that: A slide rail and slide block mechanism is arranged between the pressing frame and the support frame.

5. The automatic spreading device of a pre-shrinking machine according to claim 1, characterized in that: The translation drive mechanism comprises a lead screw and a translation guide rod, the lead screw is threadedly connected to the support frame, one end of the lead screw is connected to a translation motor, and the support frame is connected to the translation guide rod in sliding mode.

6. The automatic spreading device of a pre-shrinking machine according to claim 1, characterized in that: Sensor supports are arranged on both sides of the support frame, sensors are arranged on the sensor supports, the sensor supports are arranged on the base, and sensors are arranged on both sides of the base in the width direction of the cloth.

Images