Winding and tensioning mechanism for soft PVC film

Abstract

The utility model relates to the technical field of PVC (polyvinyl chloride) film production, and discloses a winding and tensioning mechanism for a soft PVC film, which comprises a mounting frame and a tensioning component, the tensioning component is arranged on the inner side of the mounting frame, and the tensioning component comprises a driving motor, a ball screw, a ball nut, a transmission plate, a servo motor, a main transmission gear, an auxiliary transmission gear, a steering rod and a tensioning roller, an output shaft of the driving motor is fixedly connected with a ball screw through a coupler, and a ball nut is installed on the outer wall of the ball screw in a matched mode. When the tensioning mechanism provides tensioning work for a wound soft PVC film, a ball screw is driven by a driving motor to be matched with a ball nut to conduct linear lifting motion on a transmission plate, the height adjusting function is provided for a tensioning roller, a main transmission gear is driven by a servo motor to rotate an auxiliary transmission gear, the position adjusting function is provided for the tensioning roller, and the flexible PVC film is tensioned. And therefore, the purpose of automation is provided for adjustment of the tensioning roller, and the winding efficiency of the soft PVC film is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of PVC film production, in particular to a winding and tensioning mechanism for a soft PVC film. Background Art

[0002] The main component of PVC film is polyvinyl chloride, which is slightly yellow and translucent, shiny, flexible, easy to shape, not brittle, non-toxic and pollution-free, and can be preserved for a long time. Therefore, it is widely used. PVC film is also called decorative film and adhesive film. It is used in many industries such as building materials, packaging, and medicine. When the PVC film is processed and rolled, a tensioning mechanism is needed to provide tension for the PVC film when it is rolled to ensure that the PVC film is rolled neatly.

[0003] The applicant believes that:

[0004] When the tensioning mechanism provides tensioning work for the rolled soft PVC film, the tensioning roller is mostly fixed directly inside the mounting frame, and the tensioning roller is manually disassembled and adjusted by the staff at a later stage. The steps are cumbersome, time-consuming and labor-intensive, which brings inconvenience to the adjustment of the tensioning roller and cannot realize automatic adjustment of the tensioning roller, thereby affecting the winding efficiency of the soft PVC film, which needs to be improved. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] In view of the deficiencies in the prior art, the utility model provides a winding and tensioning mechanism for soft PVC film, which has the advantage of automatically adjusting the tensioning roller, and solves the problem that most of the tensioning rollers are directly fixed inside the mounting frame, and the tensioning rollers are manually disassembled and adjusted by staff during later adjustment, and the steps are relatively cumbersome, time-consuming and labor-intensive, which brings inconvenience to the adjustment of the tensioning rollers, and cannot realize automatic adjustment of the tensioning rollers, thereby affecting the winding efficiency of the soft PVC film.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a winding and tensioning mechanism for a soft PVC film, comprising a mounting frame and a tensioning component, wherein the tensioning component is arranged inside the mounting frame.

[0009] The tensioning component includes a driving motor, a ball screw, a ball nut, a transmission plate, a servo motor, a main transmission gear, a secondary transmission gear, a steering rod and a tensioning roller. The output shaft of the driving motor is fixedly connected to the ball screw through a coupling, and a ball nut is cooperatively mounted on the outer wall of the ball screw. A transmission plate is welded to one side of the ball nut, and a servo motor is fixedly connected to the back side of the transmission plate. The output shaft of the servo motor is fixedly connected to the main transmission gear through a coupling, and a secondary transmission gear is meshedly connected to the upper side of the main transmission gear. One end of the secondary transmission gear is fixedly connected to the steering rod, and the other end of the steering rod is fixedly connected to the tensioning roller.

[0010] Furthermore, a driving motor is fixedly connected to the lower part of the interior of the mounting frame, and transmission rods are welded to the four corners of the back side of the transmission plate.

[0011] Furthermore, a pulley is fixedly mounted on the other end of the transmission rod, and a slide rail is welded and connected to the outer side of the pulley on the inner wall of the mounting frame.

[0012] Furthermore, the other end of the auxiliary transmission gear is fixedly connected to a main bearing, and the other side of the main bearing is connected to the front side of the transmission plate.

[0013] Furthermore, a main guide roller is fixedly connected to one side of the front face of the mounting frame, and a secondary guide roller is fixedly connected to the other side of the front face of the mounting frame.

[0014] Furthermore, an electrostatic elimination component is arranged on one side of the interior of the mounting frame, and the electrostatic elimination component includes a mounting plate, a connecting seat, an electrostatic elimination ion rod, a support rod, a secondary bearing and a limiting column.

[0015] Furthermore, a mounting plate is fixedly connected to one side of the interior of the mounting frame, and connecting seats are welded to both upper and lower ends of the mounting plate, and a static electricity eliminating ion rod is cooperatively installed on the other side of the connecting seat.

[0016] Furthermore, support rods are welded to both sides of the mounting plate, the other end of the support rods is fixedly connected to a secondary bearing, and the other side of the secondary bearing is fixedly connected to a limiting column.

[0017] Compared with the prior art, the utility model provides a winding and tensioning mechanism for a soft PVC film, which has the following beneficial effects:

[0018] 1. When the tensioning mechanism provides tensioning work for the wound soft PVC film, the driving motor drives the ball screw to cooperate with the ball nut to perform linear lifting and lowering motion on the transmission plate, providing a height adjustment function for the tensioning roller, and the servo motor drives the main transmission gear to rotate the auxiliary transmission gear, providing a position adjustment function for the tensioning roller, thereby providing automation for the adjustment of the tensioning roller and improving the winding efficiency of the soft PVC film.

[0019] 2. When the tensioning mechanism provides tensioning work for the rolled soft PVC film, the static electricity on the surface of the soft PVC film can be eliminated by passing the soft PVC film through the static electricity elimination ion rods at the upper and lower ends of the mounting plate, thereby preventing the soft PVC film from easily absorbing impurities due to static electricity. The limit columns on both sides of the mounting plate cooperate with the auxiliary bearings to provide combing and guiding for the soft PVC film passing through, thereby improving the stability of static electricity elimination. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the three-dimensional structure of the winding and tensioning mechanism of the soft PVC film provided by the embodiment of the utility model;

[0021] Figure 2 It is a schematic structural diagram of a tensioning component of a winding and tensioning mechanism for a soft PVC film provided in an embodiment of the utility model;

[0022] Figure 3 It is a schematic diagram of the working structure of the main transmission gear and the auxiliary transmission gear of the winding and tensioning mechanism of the soft PVC film provided by the embodiment of the utility model;

[0023] Figure 4 It is a schematic diagram of the structure of the static elimination component of the winding and tensioning mechanism of the soft PVC film provided by the embodiment of the utility model.

[0024] Wherein: 1. Mounting frame; 2. Main guide roller; 3. Auxiliary guide roller; 4. Tensioning component; 401. Drive motor; 402. Ball screw; 403. Ball nut; 404. Transfer plate; 405. Transfer rod; 406. Pulley; 407. Slide rail; 408. Servo motor; 409. Main transfer gear; 410. Auxiliary transfer gear; 411. Main bearing; 412. Steering rod; 413. Tensioning roller; 5. Static elimination component; 501. Mounting plate; 502. Connecting seat; 503. Static elimination ion rod; 504. Support rod; 505. Auxiliary bearing; 506. Limit column. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figures 1 to 4 The utility model provides a technical solution: a winding and tensioning mechanism for a soft PVC film, comprising a mounting frame 1 and a tensioning component 4, the tensioning component 4 is arranged on the inner side of the mounting frame 1, a main guide roller 2 is fixedly connected to one side of the front of the mounting frame 1, a secondary guide roller 3 is fixedly connected to the other side of the front of the mounting frame 1, and a static electricity elimination component 5 is arranged on one side of the interior of the mounting frame 1.

[0027] Wherein: when the tensioning mechanism provides tensioning work for the wound soft PVC film, firstly install the mounting frame 1 to the corresponding position of the winder and fix it; when the winder winds the soft PVC film, the soft PVC film passes through the main guide roller 2, the tensioning roller 413, the limit column 506 and the auxiliary guide roller 3 from right to left in sequence; then the soft PVC film is fixed to the winder; then the tensioning force adjustment is provided for the soft PVC film through the tensioning component 4; then the winder is started to provide winding work for the soft PVC film; and during the winding work, the static electricity on the surface of the soft PVC film can be eliminated through the static electricity elimination component 5.

[0028] See also Figure 1 , Figure 2 and Figure 3A winding and tensioning mechanism for a soft PVC film, wherein the tensioning component 4 comprises a driving motor 401, a ball screw 402, a ball nut 403, a transmission plate 404, a servo motor 408, a main transmission gear 409, a secondary transmission gear 410, a steering rod 412 and a tensioning roller 413, wherein the output shaft of the driving motor 401 is fixedly connected to the ball screw 402 through a coupling, the outer wall of the ball screw 402 is fitted with a ball nut 403, one side of the ball nut 403 is welded to the transmission plate 404, the back side of the transmission plate 404 is fixedly connected to the servo motor 408, and the output shaft of the servo motor 408 is fixedly connected to the main transmission gear through a coupling 409, a secondary transmission gear 410 is meshedly connected above the main transmission gear 409, one end of the secondary transmission gear 410 is fixedly connected to a steering rod 412, the other end of the steering rod 412 is fixedly connected to a tensioning roller 413, a driving motor 401 is fixedly connected to the lower part of the interior of the mounting frame 1, a transmission rod 405 is welded to the four corners of the back side of the transmission plate 404, a pulley 406 is fixedly installed on the other end of the transmission rod 405, the outer side of the pulley 406 is located on the inner wall of the mounting frame 1 and is welded to a slide rail 407, the other end of the secondary transmission gear 410 is fixedly connected to a main bearing 411, and the other side of the main bearing 411 is connected to the front side of the transmission plate 404.

[0029] When the tensioning component 4 is adjusting the tension of the soft PVC film, the servo motor 408 is started to drive the main transmission gear 409 to rotate, so that the rotating main transmission gear 409 drives the tensioning roller 413 on the steering rod 412 at one end of the auxiliary transmission gear 410 to rotate and adjust, thereby providing a position adjustment function for the tensioning roller 413. After the tensioning roller 413 is adjusted to a suitable position, the driving motor 401 is started to drive the ball screw 402 to rotate, so that the rotating ball screw 402 cooperates with the ball nut 403 to perform a linear lift. The descending movement provides the function of lifting and lowering adjustment for the tensioning roller 413 on the transfer plate 404, thereby providing the purpose of adjusting the tensioning force for the soft PVC film on the tensioning roller 413, and when the transfer plate 404 is lifted or lowered, the transfer rod 405 on the back of the transfer plate 404 will cooperate with the pulley 406 to slide on the slide rail 407, so as to provide auxiliary support for the lifting and lowering of the transfer plate 404. Through the drive of the driving motor 401 and the servo motor 408, the adjustment of the tensioning roller 413 is provided with the purpose of automation, thereby improving the winding efficiency of the soft PVC film.

[0030] See also Figure 1 and Figure 4A winding and tensioning mechanism for a soft PVC film, wherein a static elimination component 5 comprises a mounting plate 501, a connecting seat 502, a static elimination ion rod 503, a support rod 504, a secondary bearing 505 and a limiting column 506. A mounting plate 501 is fixedly connected to one side of the interior of the mounting frame 1, and the upper and lower ends of the mounting plate 501 are welded to the connecting seat 502, and the other side of the connecting seat 502 is cooperated with the static elimination ion rod 503. Support rods 504 are welded to both sides of the mounting plate 501, and the other end of the support rod 504 is fixedly connected to the secondary bearing 505, and the other side of the secondary bearing 505 is fixedly connected to the limiting column 506.

[0031] Among them: when the static electricity elimination component 5 works on the static electricity elimination of the soft PVC film surface, the static electricity elimination function of the soft PVC film surface can be performed by passing the soft PVC film through the static electricity elimination ion rods 503 at the upper and lower ends of the mounting plate 501, thereby preventing the soft PVC film from easily absorbing impurities due to static electricity, and the limiting columns 506 on both sides of the mounting plate 501 cooperate with the auxiliary bearing 505 to provide combing and guiding for the soft PVC film passing through, thereby improving the stability of static electricity elimination.

[0032] The working principle of the utility model is as follows: when the tensioning mechanism provides tensioning work for the wound soft PVC film, firstly, the mounting frame 1 is installed to the corresponding position of the winder for fixing; when the winder winds the soft PVC film, the soft PVC film is passed through the main guide roller 2, the tensioning roller 413, the limit column 506 and the auxiliary guide roller 3 from right to left in sequence; then, the soft PVC film is fixed to the winder; then, the servo motor 408 is started to drive the main transmission gear 409 to rotate, so that the rotating main transmission gear 409 drives the tensioning roller 413 on the steering rod 412 at one end of the auxiliary transmission gear 410 to rotate and adjust; the tensioning roller 413 is adjusted to a suitable position; then, the driving motor 401 is started to drive the ball screw 402 to rotate, so that the rotating ball screw 402 cooperates with the ball nut 403 to do straight The line moves up and down to adjust the lifting and lowering of the tensioning roller 413 on the transfer plate 404, provide tension for the soft PVC film on the tensioning roller 413, and then start the winder to provide winding work for the soft PVC film. During the winding work, the soft PVC film will pass through the static elimination ion rods 503 at the upper and lower ends of the mounting plate 501 to eliminate static electricity on the surface of the soft PVC film. Among them, the model of the drive motor 401 is YE2-132S-4, the model of the servo motor 408 is 80LTYZ, and the model of the static elimination ion rod 503 is KSM-050. In this way, the working principle and working process of a winding and tensioning mechanism for a soft PVC film are completed, and the contents not described in detail in this specification belong to the existing technology known to professional and technical personnel in this field.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A winding and tensioning mechanism for a soft PVC film, characterized in that: It comprises a mounting frame (1) and a tensioning component (4), wherein the tensioning component (4) is arranged inside the mounting frame (1); The tensioning component (4) comprises a driving motor (401), a ball screw (402), a ball nut (403), a transmission plate (404), a servo motor (408), a main transmission gear (409), a secondary transmission gear (410), a steering rod (412) and a tensioning roller (413); the output shaft of the driving motor (401) is fixedly connected to the ball screw (402) via a coupling; the outer wall of the ball screw (402) is fitted with a ball nut (403); the ball nut (403) is 03) is welded to one side of a transmission plate (404), a servo motor (408) is fixedly connected to the back of the transmission plate (404), an output shaft of the servo motor (408) is fixedly connected to a main transmission gear (409) via a coupling, a secondary transmission gear (410) is meshedly connected to the top of the main transmission gear (409), one end of the secondary transmission gear (410) is fixedly connected to a steering rod (412), and the other end of the steering rod (412) is fixedly connected to a tensioning roller (413).

2. The winding and tensioning mechanism for a soft PVC film according to claim 1, characterized in that: A driving motor (401) is fixedly connected to the lower part of the interior of the mounting frame (1), and transmission rods (405) are welded to the four corners of the back side of the transmission plate (404).

3. The winding and tensioning mechanism for a soft PVC film according to claim 2, characterized in that: A pulley (406) is fixedly mounted on the other end of the transmission rod (405), and a slide rail (407) is welded and connected to the inner wall of the mounting frame (1) on the outer side of the pulley (406).

4. The winding and tensioning mechanism for a soft PVC film according to claim 1, characterized in that: The other end of the auxiliary transmission gear (410) is fixedly connected to a main bearing (411), and the other side of the main bearing (411) is connected to the front side of the transmission plate (404).

5. The winding and tensioning mechanism for a soft PVC film according to claim 1, characterized in that: A main guide roller (2) is fixedly connected to one side of the front face of the mounting frame (1), and a secondary guide roller (3) is fixedly connected to the other side of the front face of the mounting frame (1).

6. The winding and tensioning mechanism for a soft PVC film according to claim 5, characterized in that: An electrostatic elimination component (5) is arranged on one side of the interior of the mounting frame (1), and the electrostatic elimination component (5) comprises a mounting plate (501), a connecting seat (502), an electrostatic elimination ion rod (503), a support rod (504), a secondary bearing (505) and a limiting column (506).

7. The winding and tensioning mechanism for a soft PVC film according to claim 6, characterized in that: A mounting plate (501) is fixedly connected to one side of the interior of the mounting frame (1), a connecting seat (502) is welded to both the upper and lower ends of the mounting plate (501), and a static electricity eliminating ion rod (503) is cooperatively mounted on the other side of the connecting seat (502).

8. The winding and tensioning mechanism for a soft PVC film according to claim 7, characterized in that: Support rods (504) are welded to both sides of the mounting plate (501), the other end of the support rod (504) is fixedly connected to a secondary bearing (505), and the other side of the secondary bearing (505) is fixedly connected to a limiting column (506).

Images