CN217050938U - Micro-tensioning device for unwinding and flattening in mica tape reinforcing process - Google Patents

Abstract

The utility model provides a micro-tensioning device for uncoiling and flattening in mica tape reinforcement process, which comprises a bracket, a rotating shaft arranged on the bracket, a rotating arm fixed on one side of the rotating shaft, a tension roller arranged at the outer end part of the rotating arm, and an adjusting arm with one end fixed on the other side of the rotating shaft, wherein the adjusting arm is far away from a weight arranged at the outer end of the rotating shaft; the pivot can rotate, the rocking arm slope sets up downwards, makes the height that highly is less than the pivot of tension roller, there is horizontal interval between weight and the pivot, and it can do the radial slip for the rocking arm on the regulating arm, is equipped with electronic advancing component on the regulating arm between weight and pivot, promotes the weight by electronic advancing component and slides on the regulating arm. The tension adjusting device has the advantages that tension adjustment can be carried out under the working state without stopping, the production efficiency and the product rate are obviously improved, and the adjusting operation is simple and convenient.

Description

Micro-tensioning device for unwinding and flattening in mica tape reinforcing process

Technical Field

The utility model relates to a be used for unreeling flat micro-stretching device in mica tape reinforcement flow belongs to banded insulating material processing technology field.

Background

The mica tape used as the insulating material is formed by reinforcing mica paper. The mica paper used as the raw material has a certain width and an unlimited length, and is a rolled mica paper tube before processing. During processing, the mica paper tube is unreeled at the beginning end of the process flow, is transmitted by the roller, is added with a reinforcing material in the transmission process, is air-dried to form a mica tape, and is finally reeled at the end of the process flow. The mica paper is thin and fragile, the mechanical strength is very low, and the mica paper can be broken when the transmission process is slightly uneven in stress or slightly large in traction force, so that the mica paper tube is actively unreeled, namely, a shaft sleeved with the mica paper tube is driven by a motor to enable the paper tube to rotate and unreel, and the mica paper is passively unreeled instead of being dragged by a winding rotating shaft at the terminal of the process flow to rotate.

When actively unreeled mica paper enters the roller for transmission, creases are easily generated, which is not only unfavorable for the compounding of reinforcing materials, but also easy to cause uneven stress under the action of traction force generated by the rolling of the roller so as to break the mica paper. To prevent this phenomenon, the most advanced measures at present are: the mica paper tube which is actively unreeled is positioned at a higher position, the roller transmission belt which receives the mica paper is positioned at a lower position, waterfall type suspension fall is formed between the discharged mica paper and the roller transmission belt, a horizontal tension roller is used for contacting the suspended mica paper at the suspension section, and the tension roller applies slight tension to the mica paper, so that the mica paper can become flat when sliding from the tension roller onto the transmission roller, thus the mica paper can be uniformly stressed and can not be broken in the transmission process, and simultaneously, the compounding of the reinforcing material is facilitated.

Above-mentioned tension roller is through setting up two rocking arms and a rotation axis connection at tension roller both ends, and the axis of rotation is fixed on the support, and the opposite side of axis of rotation sets up the regulating arm, and the suit weight on the regulating arm, the weight can slide on the regulating arm to can utilize fastening bolt to fix the weight in the optional position of regulating arm. Like this, through the position of adjustment weight on the regulating arm increase and decrease the moment that weight and regulating arm formed, adjust the dynamics that the mica paper was oppressed to the tension roller through adjusting the moment. Whether the force of the tension roller pressing the mica paper is proper or not directly influences the flattening effect of the mica paper.

The tension device has the defect that the machine must be stopped when the position of the weight is adjusted, and the mica paper is broken or the compounding of the reinforcing material is influenced because the adjustment operation can cause the rotation of the rotating shaft and the force of the tension roller pressing the mica paper to change suddenly. However, the shutdown adjustment not only delays production, but also is more important that the adjustment in place at one time is difficult in the shutdown state, and the adjustment effect cannot be seen in the shutdown state, so that the repeated startup debugging is needed.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: how to accurately adjust the force of the tension roller pressing the mica paper under the non-stop state so as to improve the production efficiency of the mica paper and ensure the production quality of the mica paper.

The invention contents of the utility model are:

a micro-tensioning device for unreeling and flattening mica tapes in a reinforcing process comprises a support, a rotating shaft, a rotating arm, a tension roller and a weight, wherein the rotating shaft is installed on the support, the rotating arm is fixed on one side of the rotating shaft, the tension roller is arranged at the outer end of the rotating arm, one end of the adjusting arm is fixed on the other side of the rotating shaft, and the weight is arranged at the outer end, far away from the rotating shaft, of the adjusting arm; the rotating shaft can rotate, the rotating arm is obliquely and downwards arranged, so that the height of the tension roller is lower than that of the rotating shaft, a horizontal space is reserved between the weight and the rotating shaft, the weight can radially slide relative to the rotating arm on the adjusting arm, an electric propelling part is arranged on the adjusting arm between the weight and the rotating shaft, and the weight is pushed to slide on the adjusting arm by the electric propelling part.

Further, the work of the electric propulsion part is controlled by a set manual switch, and the manual switch is arranged on a fixed frame through a control wire.

Furthermore, a shaft center hole is formed in the rotating shaft along the shaft axis of the rotating shaft, a radial hole communicated with the shaft center hole is formed in the middle of the rotating shaft, and a control wire of the electric propulsion part extends out of the shaft center part of the end part of the rotating shaft through the radial hole and the shaft center hole and then is connected with the manual switch.

Further, the operation of the electric propulsion unit is controlled by a remote control.

Further, the electric propulsion component is an electric propulsion cylinder.

Furthermore, the adjusting arm consists of a clamping arm at an inner section and a cylindrical sliding shaft at an outer section; the clamping arm is a rectangular square frame, and a rectangular space which is communicated up and down is formed in the clamping arm; the weight is provided with an axial sliding hole, and the weight is sleeved on the sliding shaft through the axial sliding hole; the electric propulsion cylinder is arranged in the rectangular space, the propulsion rod and the sliding shaft of the electric propulsion cylinder are coaxial, and a connecting rod is arranged between the front end of the propulsion rod and the rear end of the weight.

Has the advantages that:

1. the tension adjustment can be implemented under the working state without stopping the machine, so that the production efficiency and the product rate are obviously improved;

2. the adjustment operation is very simple and convenient, and the tension adjustment can be realized only by pressing a button;

3. the device has simple structure and low manufacturing cost, and can use the miniature electric propulsion cylinder with lower price.

Drawings

Fig. 1 is a schematic perspective view of a micro-tensioning device for unwinding and flattening in a mica tape reinforcing process;

fig. 2 is a partial schematic view of fig. 1.

In the figure: 1. a support; 2. a rotating shaft; 21. a shaft center hole; 22. a radial bore; 3. a rotating arm; 31. a tension roller; 4. an adjusting arm; 41. clamping arms; 411. a rectangular space; 42. a slide shaft; 5. a manual switch; 6. a control wire; 7. a fixed mount; 8. an electric propulsion cylinder; 81. a push rod; 9. a connecting rod; 10. a weight; 100. mica paper.

Detailed Description

The invention is further described below with reference to the accompanying drawings:

as shown in fig. 1, a micro-tensioning device for unwinding and flattening mica tapes in a reinforcing process comprises a support 1, a rotating shaft 2 installed on the support 1, a rotating arm 3 fixed on one side of the rotating shaft 2, a tension roller 31 arranged at the outer end part of the rotating arm 3, an adjusting arm 4 with one end fixed on the other side of the rotating shaft 2, and a weight 10 arranged at the outer end of the adjusting arm 4 far away from the rotating shaft 2; the rotating shaft 2 can rotate, the rotating arm 3 is arranged obliquely downwards, so that the height of the tension roller 31 is lower than that of the rotating shaft 2, and a horizontal space is formed between the weight 10 and the rotating shaft 2, and the weight can slide on the adjusting arm 4 in the radial direction relative to the rotating arm 3; an electric propulsion part is arranged on the adjusting arm 4 between the weight 10 and the rotating shaft 2, and the weight 10 is pushed by the electric propulsion part to slide on the adjusting arm 4.

When the device is used, the tension roller 31 presses the suspended mica paper 100 outwards and upwards with a slight force, and the balance is kept between the rotating arm 3 and the adjusting arm 4. When the mica paper 100 slides to the roller conveyor belt through the tension roller 31 and wrinkles begin to appear and the tension for pressing the mica paper 100 outwards and upwards needs to be slightly increased, the weight 10 can be pushed outwards by the electric propulsion unit under the non-stop state, so that the downward force applied to the outer end of the adjusting arm 4 is gradually increased, and according to the lever principle, the tension for pressing the mica paper 100 outwards and upwards by the tension roller 31 is also gradually increased until the mica paper 100 completely reaches the flattening standard, and the outward propulsion is stopped. On the contrary, when the mica paper 100 slides to the roller conveyor belt through the tension roller 31 and an excessively tight state begins to appear, and the tension pressing the mica paper 100 outwards and upwards needs to be slightly reduced, the weight 10 can be pushed inwards through the electric propulsion component under the state of no shutdown, so that the downward force applied to the outer end of the adjusting arm 4 is gradually reduced, and according to the lever principle, the tension pressing the mica paper 100 outwards and upwards through the tension roller 31 is also gradually reduced until the tight state of the mica paper 100 is relieved, and the inward propulsion is stopped when the mica paper 100 keeps the flat standard.

Thus, micro-tension adjustment of the hanging mica paper 100 can be achieved without requiring production line downtime.

As shown in fig. 1 and 2, the operation of the electric propulsion unit is controlled by a manual switch 5, and the manual switch 5 is arranged on a fixed frame 7 through a control wire 6. I.e. without the manual switch 5 being arranged directly on the adjusting arm 4,

thus, when the manual switch 5 is turned on or off, the adjustment arm 4 is not disturbed, and the adjustment arm 4 is not subjected to an external force other than the force applied by the electric propulsion means.

An axial hole 21 is arranged on the rotating shaft 2 along the axial lead of the rotating shaft 2, a radial hole 22 communicated with the axial hole 21 is arranged in the middle of the rotating shaft 2, and a control wire 6 of the electric propulsion part extends out of the axial position of the end part of the rotating shaft 2 through the radial hole 22 and the axial hole 21 and then is connected with the manual switch 5. Therefore, the arrangement of the control wire 6 is more concise and beautiful, more importantly, the control wire 6 extends out of the axis position of the end part of the rotating shaft 2, the influence on the rotation of the rotating shaft 2 is extremely small, and the sliding adjustment of the weight 10 on the adjusting arm 4 is not interfered by any external force.

As another mode of operation, the operation of the electric propulsion unit is controlled by a remote control. This also does not interfere with any external force on the sliding adjustment of the weight 10 on the adjustment arm 4.

The electric propulsion part is an electric propulsion cylinder 8, which is simple and convenient to use and low in price.

The adjusting arm 4 consists of a clamping arm 41 at an inner section and a cylindrical sliding shaft 42 at an outer section; the clamping arm 41 is a rectangular square frame, and a rectangular space 411 which is communicated up and down is arranged in the rectangular square frame; the weight 10 is provided with an axial sliding hole, and the weight 10 is sleeved on the sliding shaft 42 through the axial sliding hole; the electric propulsion cylinder 8 is installed in the rectangular space 411, the propulsion rod 81 and the sliding shaft 42 are coaxial, the connecting rod 9 is arranged between the front end of the propulsion rod 81 and the rear end of the weight 10, and the propulsion rod 81 and the connecting rod 9 extend and retract together, so that the weight 10 is driven to slide on the sliding shaft 42.

The above embodiments are only for the purpose of more clearly describing the invention and are not to be considered as limiting the scope of protection covered by the invention, any equivalent modifications being considered as falling within the scope of protection covered by the invention.

Claims (6)

1. A micro-tensioning device for unreeling and flattening in a mica tape reinforcing process comprises a support (1), a rotating shaft (2) installed on the support (1), a rotating arm (3) fixed on one side of the rotating shaft (2), a tension roller (31) arranged at the outer end part of the rotating arm (3), an adjusting arm (4) with one end fixed on the other side of the rotating shaft (2), and a weight (10) arranged at the outer end, far away from the rotating shaft (2), of the adjusting arm (4); pivot (2) can rotate, rocking arm (3) slope sets up downwards, makes the height that highly is less than pivot (2) of tension roller (31), there is horizontal interval between weight (10) and pivot (2), and it can be done on regulating arm (4) for the radial slip of rocking arm (3), its characterized in that: an electric propulsion part is arranged on the adjusting arm (4) between the weight (10) and the rotating shaft (2), and the weight (10) is pushed by the electric propulsion part to slide on the adjusting arm (4).

2. The micro-tensioning device for unwinding and flattening in the mica tape reinforcing process according to claim 1, wherein: the work of the electric propulsion part is controlled by a manual switch (5), and the manual switch (5) is arranged on a fixed frame (7) through a control wire (6).

3. The micro-tensioning device for unwinding and flattening in the mica tape reinforcing process according to claim 1, wherein: the electric propulsion device is characterized in that an axis hole (21) is formed in the rotating shaft (2) along the axis of the rotating shaft (2), a radial hole (22) communicated with the axis hole (21) is formed in the middle of the rotating shaft (2), and a control wire (6) of the electric propulsion part extends out of the axis part of the end part of the rotating shaft (2) through the radial hole (22) and the axis hole (21) and then is connected with the manual switch (5).

4. The micro-tensioning device for unwinding and flattening in the mica tape reinforcing process according to claim 1, wherein: the operation of the electric propulsion unit is controlled by a remote control.

5. The micro-tensioning device for unwinding and flattening in the mica tape reinforcing process according to claim 1, wherein: the electric propulsion component is an electric propulsion cylinder (8).

6. The micro-tensioning device for unwinding and flattening in the mica tape reinforcing process according to claim 5, wherein: the adjusting arm (4) consists of an inner section clamping arm (41) and an outer section cylindrical sliding shaft (42); the clamping arm (41) is a rectangular square frame, and a rectangular space (411) which is communicated up and down is arranged in the clamping arm; the weight (10) is provided with an axial sliding hole, and the weight (10) is sleeved on the sliding shaft (42) through the axial sliding hole; the electric propulsion cylinder (8) is arranged in the rectangular space (411), the propulsion rod (81) and the sliding shaft (42) are coaxial, and a connecting rod (9) is arranged between the front end of the propulsion rod (81) and the rear end of the weight (10).

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