CN211619433U

CN211619433U - Electrostatic film unwinding mechanism of adjustable dynamics

Info

Publication number: CN211619433U
Application number: CN201922503671.0U
Authority: CN
Inventors: 熊长征; 聂红国; 朱红卫
Original assignee: Hubei Tuxin Material Technology Co ltd
Current assignee: Hubei Tuxin Material Technology Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-10-02
Anticipated expiration: 2029-12-31

Abstract

The utility model belongs to the technical field of the equipment for packing technique and specifically relates to an electrostatic film unwinding mechanism of adjustable dynamics is related to, including the base, be provided with stand and mount pad on the base, rotate on the mount pad and be connected with two rollers, be provided with the bobbin on the roller, one of them bobbin stretches out from the outer wall of mount pad, and the place ahead of this bobbin is provided with dynamics adjustment mechanism, and dynamics adjustment mechanism includes cover seat and sliding block, is provided with the piece of stopping on the sliding block. This electrostatic film unwinding mechanism of adjustable dynamics through the roller and the dynamics adjustment mechanism that set up for the piece of stopping on the regulation dynamics adjustment mechanism can reach the effect of the piece of stopping to the barrel arbor extrusion force, makes the rotation dynamics of roller change, and then required power is adjusted when making the pulling electrostatic film roll up, so that the electrostatic film is in the state of dragging all the time, prevents the fold phenomenon because of the electrostatic film is not hard up and causes.

Description

Electrostatic film unwinding mechanism of adjustable dynamics

Technical Field

The utility model relates to a equipment for packing technical field, specifically speaking relates to an electrostatic film unwinding mechanism of adjustable dynamics.

Background

The electrostatic film is a non-adhesive film, mainly made of PE and PVC, and the product is mainly adsorbed under the action of static electricity to protect the product. The electrostatic film is usually wound on a paper roll, and when the electrostatic film is used, the electrostatic film needs to be wound on a column and is unwound from the electrostatic film roll by a direct pulling mode. Because at the in-process of directly dragging the static membrane, static membrane book (2) can constantly swing on the post for the dynamics of unreeling of static membrane constantly changes and causes the static membrane surface fold phenomenon to appear, thereby influences the packing effect when using the static membrane.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electrostatic film unwinding mechanism of adjustable dynamics to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

an electrostatic film unwinding mechanism with adjustable force comprises a base, wherein a vertical seat is tightly welded at the rear corner of the top end of the base, a loop bar for sleeving an electrostatic film coil is tightly welded on the vertical seat, a pair of mounting seats is tightly welded at the front side edge of the top end of the base, two rollers which are vertically arranged are rotatably connected on the mounting seats, barrel shafts are tightly welded at the first end and the last end of each roller, the barrel shafts are inserted into the mounting seats and are rotatably connected with the mounting seats, one barrel shaft extends out of the outer wall of the mounting seat, a force adjusting mechanism is arranged in front of the barrel shaft and comprises a sleeve seat tightly welded on the mounting seats and a sliding block sleeved in the sleeve seat and slidably connected with the sleeve seat, a brake block attached to the barrel shaft is installed at the rear end face of the sleeve seat through a bolt, a tightening knob is arranged on the front end face of the sleeve seat, and a threaded column is tightly welded at the tail end of the tightening knob, the screw thread post and cover seat threaded connection, the end of screw thread post supports on the preceding terminal surface of sliding block.

Preferably, the head end of the electrostatic film roll is wound from the bottom end of the roller located below and then wound from the top end of the roller located above.

Preferably, the sleeve seat is of a U-shaped structure, sliding grooves are formed in the inner walls of the two sides of the top and the bottom of the sleeve seat, protruding blocks are integrally formed at the two ends of the top and the bottom of the sliding block, and the protruding blocks extend into the sliding grooves and are in sliding connection with the sliding grooves.

Preferably, the tail end of the sliding groove is provided with a stop dog through a bolt, a sleeve hole is formed in the front end face of the stop dog, a return spring is sleeved in the sleeve hole, and the other end of the return spring is abutted to the sliding block.

Preferably, the arc wall has been seted up to the preceding terminal surface of sliding block, stops the piece and be circular arc sheet structure and with the bottom surface laminating of arc wall.

Compared with the prior art, the beneficial effects of the utility model are that:

this electrostatic film unwinding mechanism of adjustable dynamics, install dynamics adjustment mechanism through setting up the roller on the mount pad and in one side of mount pad, make on the dynamics adjustment mechanism support when revolving the regulation soon, the piece of stopping changes along with supporting the rotation of revolving the handle soon to the extrusion force of bobbin, thereby reach the effect that the piece of stopping changes the bobbin friction power, make the rotation dynamics of roller change, and then required power is adjusted when making the pulling electrostatic film roll up, so that the electrostatic film is in the state of dragging all the time, prevent the fold phenomenon because of the electrostatic film is not hard up and causes.

Drawings

FIG. 1 is a schematic view of the entire structure of embodiment 1;

FIG. 2 is a schematic view showing the mounting of the mount according to embodiment 1;

fig. 3 is an installation schematic diagram of a force adjusting mechanism in embodiment 1;

FIG. 4 is a schematic view showing a structure of a socket according to embodiment 1;

FIG. 5 is a schematic structural diagram of a slider in embodiment 1.

In the figure: 1. a base; 11. a vertical seat; 111. a loop bar; 2. electrostatic film roll; 3. a mounting seat; 31. a roller; 311. a barrel shaft; 4. a force adjusting mechanism; 41. a sleeve seat; 411. a sliding groove; 412. a stopper; 413. a return spring; 414. the rotating handle is propped tightly; 42. a slider; 421. a bump; 422. an arc-shaped slot; 423. and a brake block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Example 1

The embodiment provides a force-adjustable electrostatic film unwinding mechanism, as shown in fig. 1-5, which comprises a base 1, a vertical seat 11 is tightly welded at a rear corner of the top end of the base 1, a loop bar 111 for sleeving an electrostatic film roll 2 is tightly welded on the vertical seat 11, a pair of mounting seats 3 is tightly welded at a front side edge of the top end of the base 1, two rollers 31 vertically arranged are rotatably connected to the mounting seats 3, a roller shaft 311 is tightly welded at both ends of the head and the tail of each roller 31, the roller shaft 311 is inserted into the mounting seats 3 and rotatably connected with the mounting seats 3, the head end of the electrostatic film roll 2 is wound from the bottom end of the roller 31 below and then wound from the top end of the roller 31 above, make electrostatic film roll 2 can drive two rollers 31 and rotate and keep even state of spreading on roller 31 under the effect of frictional force when unreeling, prevent that the fold from appearing in the electrostatic film.

In this embodiment, one of the barrel shafts 311 extends from the outer wall of the mounting base 3, a force adjusting mechanism 4 is disposed in front of the barrel shaft 311, the force adjusting mechanism 4 includes a sleeve base 41 tightly welded on the mounting base 3 and a sliding block 42 sleeved in the sleeve base 41 and slidably connected with the sleeve base 41, a brake block 423 attached to the barrel shaft 311 is mounted on the rear end surface of the sliding block 42 through a bolt, a tightening knob 414 is disposed on the front end surface of the sleeve base 41, a threaded post is tightly welded on the end of the tightening knob 414 and is in threaded connection with the sleeve base 41, the end of the threaded post abuts on the front end surface of the sliding block 42, when the tightening knob 414 is rotated, the tightening knob 414 drives the threaded post to move on the sleeve base 41 so that the threaded post can push the sliding block 42 to slide in the sleeve base 41, and when the threaded post pushes the sliding block 42 to move toward the barrel shaft 311, the brake block 423 on the sliding block 42 extrudes the barrel shaft 311, the friction force between the drum shaft 311 and the brake block 423 is increased, so that the unwinding force of the electrostatic film roll 2 is increased.

Specifically, cover seat 41 is U type structure, has all seted up sliding tray 411 on the top bottom both sides inner wall of cover seat 41, and the homogeneous body shaping in top bottom both ends of sliding block 42 has lug 421, and lug 421 stretches into in sliding tray 411 and with sliding tray 411 sliding connection, makes sliding block 42 can slide along sliding tray 411 under the effect of lug 421 to adjust the position of stopping piece 423.

Further, the stopper 412 is installed through the bolt at the terminal of sliding tray 411, the trepanning has been seted up on the preceding terminal surface of stopper 412, the cover has connect return spring 413 in the trepanning, return spring 413's the other end and the sliding block 42 butt, when the rotation supports tight knob 414 and makes the screw thread post outwards move on cover seat 41, under return spring 413's elastic force effect, sliding block 42 supports all the time and is supporting tight knob 414's screw thread post end, thereby make sliding block 42 follow the screw thread post and roll back, the extrusion force of the piece 423 to bobbin shaft 311 of stopping this moment reduces, make roller 31 rotate required power and reduce, reach and reduce the effect of electrostatic film book 2 power of unreeling.

In addition, the arc groove 422 has been seted up to the preceding terminal surface of sliding block 42, stops piece 423 and is circular arc sheet structure and with the laminating of the bottom surface of arc groove 422, makes the piece 423 that stops can laminate in the periphery of bobbin 311, increases the braking effect of the piece 423 that stops.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an electrostatic film unwinding mechanism of adjustable dynamics, includes base (1), its characterized in that: the electrostatic film coil is characterized in that a vertical seat (11) is tightly welded at the rear corner of the top end of the base (1), a loop bar (111) used for being sleeved with an electrostatic film coil (2) is tightly welded on the vertical seat (11), a pair of mounting seats (3) is tightly welded at the front side edge of the top end of the base (1), two vertically arranged rollers (31) are rotatably connected onto the mounting seats (3), drum shafts (311) are tightly welded at the first end and the last end of each roller (31), each drum shaft (311) is inserted into each mounting seat (3) and is rotatably connected with each mounting seat (3), one drum shaft (311) extends out of the outer wall of each mounting seat (3), a force adjusting mechanism (4) is arranged in front of each drum shaft (311), each force adjusting mechanism (4) comprises a sleeve seat (41) tightly welded on each mounting seat (3) and a sliding block (42) sleeved in each sleeve seat (41) and slidably connected with each sleeve seat (41), the rear end face of sliding block (42) is located and is installed the piece (423) of stopping of laminating with barrel spindle (311) through the bolt, be provided with on the preceding terminal surface of cover seat (41) and support tight rotating handle (414), support the terminal close welding of tight rotating handle (414) and have the screw thread post, screw thread post and cover seat (41) threaded connection, the end of screw thread post supports on the preceding terminal surface of sliding block (42).

2. The electrostatic film unwinding mechanism with adjustable force of claim 1, wherein: and the head end of the electrostatic film roll (2) is wound from the bottom end of the roller (31) positioned below and then is wound from the top end of the roller (31) positioned above.

3. The electrostatic film unwinding mechanism with adjustable force of claim 1, wherein: cover seat (41) are U type structure, have all seted up sliding tray (411) on the top bottom both sides inner wall of cover seat (41), and the equal integrated into one piece in top bottom both ends of sliding block (42) has lug (421), lug (421) stretch into in sliding tray (411) and with sliding tray (411) sliding connection.

4. The electrostatic film unwinding mechanism with adjustable force of claim 3, wherein: a stop block (412) is installed at the tail end of the sliding groove (411) through a bolt, a sleeve hole is formed in the front end face of the stop block (412), a return spring (413) is sleeved in the sleeve hole, and the other end of the return spring (413) is abutted to the sliding block (42).

5. The electrostatic film unwinding mechanism with adjustable force of claim 1, wherein: arc groove (422) have been seted up to the preceding terminal surface of sliding block (42), stop piece (423) and be circular arc sheet structure and with the bottom surface laminating of arc groove (422).