CN202848714U - Coiled material constant tension unwinding device of laminating machine - Google Patents

Abstract

The utility model discloses a coiled material constant tension unwinding device of a laminating machine, which comprises a support (2), wherein a bearing seat (4) is arranged on the support (2), and a core shaft (1) is arranged on the bearing seat (4). The coiled material constant tension unwinding device of the laminating machine is characterized in that the bearing seat (4) and the support (2) are movably connected, a slot (5) and a connecting rod (8) are arranged in the middle of the bearing seat (4), a groove (6) is arranged on the bottom portion of the bearing seat (4), the connecting rod (8) is arranged on the support (2) through a pin shaft (10), the pin shaft (10) passes through the slot (5) to be connected with a hand wheel (7), a lug (9) is arranged on the connecting rod (8), the lug (9) is matched with the groove (6), the connecting rod (8) is provided with a handle (11), the bearing seat can be finely adjusted in the radial direction by swinging the handle, thereby adjusting unwinding position of films, enabling the films to be more accurately covered, and improving quality of products.

Description

Coil constant tension unwinding device for a laminating machine

technical field

The utility model relates to a laminating machine, in particular to a waste-removing and paper-aligning device on the laminating machine.

Background technique

The laminating machine is one of the main equipment for the post-processing of packaging and printing products. The unwinding operation of the plastic film requires that the film always maintain a constant tension. However, due to the influence of processing and assembly accuracy and feeding, the unwinding device will not be parallel to the conveying roller, resulting in uneven stress on the film, so that the film and paper cannot be aligned accurately. Wrinkles are easy to appear on paper, which affects product quality and increases loss.

Contents of the invention

In view of the problems existing in the known technology, the technical problem to be solved by the utility model is to provide an unwinding device that can make the film cover the paper more accurately.

In order to solve the problems of the technologies described above, the utility model is accomplished by taking the following technical solutions:

A coil constant tension unwinding device of a laminating machine, including a bracket, the bracket is provided with a bearing seat, and the bearing seat is provided with a mandrel, and it is characterized in that: the bearing seat is movably connected with the bracket, There is a groove and a connecting rod in the middle of the bearing seat, a groove is provided at the bottom of the bearing seat, the connecting rod is installed on the bracket through a pin shaft, and the pin shaft passes through the groove to connect with the hand wheel. Protrusions are provided on the rod, and the protrusions match the grooves. A handle is provided on the connecting rod.

The bearing seat is provided with an adjusting hand wheel, the adjusting hand wheel is connected with the adjusting gear, the adjusting gear is meshed with the gear, the gear is connected with the bearing through the screw rod, and the mandrel is provided with a fixed sleeve, so that The fixed sleeve is provided with a groove matching the bearing.

One end of the mandrel is connected with the magnetic powder brake.

The beneficial effects of the utility model are: during the unwinding process, through the fine-tuning of the bearing seat and the mandrel, the smoothness of the coating is ensured, and the product quality is improved.

Description of drawings

Further describe its embodiment below again in conjunction with accompanying drawing:

Fig. 1 is the structural representation of the utility model;

Fig. 2 is a front view of the utility model;

Fig. 3 is an exploded view of Fig. 1 .

Detailed ways

Accompanying drawing has represented the structure of the utility model and its embodiment, and describes each relevant detail of its embodiment below again in conjunction with accompanying drawing, the roll material constant tension unwinding device of this laminating machine includes support 2, and described support 2 A bearing seat 4 is provided on the bearing seat 4, and a mandrel 1 is provided on the bearing seat 4. The mandrel 1 is an inflatable mandrel, and the bearing seat 4 is movably connected with the bracket 2. Groove 5 and connecting rod 8, the bottom of the bearing seat 4 is provided with a groove 6, the connecting rod 8 is installed on the bracket 2 through the pin shaft 10, and the pin shaft 10 is connected with the hand wheel 7 through the slot 5, Described connecting rod 8 is provided with projection 9, and described projection 9 is matched with groove 6, and projection 9 is stuck in the groove 6, and described connecting rod 8 is provided with handle 11, like this, when swinging When the handle 11 is turned, that is, the connecting rod 8 is swung, the bump 9 on the connecting rod 8 will drive the bearing seat 4 to move left and right within the scope of the groove 5, thereby achieving the effect of radial fine-tuning; There is an adjustment hand wheel 22, the adjustment hand wheel 22 is connected with the adjustment gear 23, the adjustment gear 23 is meshed with the gear 21, the gear 21 is connected with the bearing 25 through the screw rod 24, and the mandrel 1 is provided with a fixed sleeve 26, the fixed sleeve 26 is provided with a groove that matches the bearing 25, and the bearing 25 is stuck in the groove of the fixed sleeve 26. When adjustment is required, the adjustment hand wheel 22 is turned, that is, the adjustment gear 23 rotates, thereby Drive the gear 21, the screw 24 connected with the gear 21 also rotates accordingly, the rotation of the screw 24 rotates inside and outside, drives the bearing 25 connected with the screw 24 to push the mandrel 1 to move axially, so as to achieve the effect of axial fine-tuning . One end of the mandrel 1 is connected to the magnetic powder brake 20, which can provide constant tension, which can ensure the machine to accelerate, decelerate and maintain a constant speed. Even in the case of emergency stop, it can absorb the change of unwinding speed and realize the maintenance of unwinding tension. Stable, and constant tension is prior art, just no longer elaborate in the present invention. Although the utility model is simple in design, it can achieve very beneficial effects and will surely bring better benefits to enterprises.

Claims (4)

1. A coil constant tension unwinding device of a laminating machine, including a bracket (2), a bearing seat (4) is provided on the support (2), and a mandrel is provided on the bearing seat (4) (1), characterized in that: the bearing seat (4) is movably connected with the bracket (2), the middle of the bearing seat (4) is provided with a groove (5) and a connecting rod (8), and the bearing seat (4) ) is provided with a groove (6), the connecting rod (8) is installed on the bracket (2) through the pin shaft (10), and the pin shaft (10) passes through the groove (5) and the hand wheel (7 ) connection, the connecting rod (8) is provided with a bump, and the bump matches the groove (6). 2. A coil constant tension unwinding device for a laminating machine according to claim 1, characterized in that: the connecting rod (8) is provided with a handle (11). 3. The coil constant tension unwinding device of a laminating machine according to claim 1, characterized in that: the bearing seat (4) is provided with an adjustment handwheel (22), and the adjustment handwheel ( 22) Connected with the adjusting gear (23), the adjusting gear (23) meshes with the gear (21), the gear (21) is connected with the bearing (25) through the screw (24), and the mandrel (1) A fixed sleeve (26) is provided on the top, and a groove matching the bearing (25) is provided on the fixed sleeve (26). 4. The coil constant tension unwinding device of a laminating machine according to claim 1, characterized in that: one end of the mandrel (1) is connected to a magnetic powder brake (20).

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