CN218370822U

CN218370822U - Automatic membrane surface tension adjusting device for elastic membrane

Info

Publication number: CN218370822U
Application number: CN202221122014.7U
Authority: CN
Inventors: 冯春; 史保利; 陈慧
Original assignee: Suzhou Tipack Co ltd
Current assignee: Suzhou Tipack Co ltd
Priority date: 2022-05-11
Filing date: 2022-05-11
Publication date: 2023-01-24
Anticipated expiration: 2032-05-11

Abstract

The utility model discloses a face tension automatic regulating apparatus for elastic membrane, including bottom plate and support frame, the support frame sets up the up end at the bottom plate, and the below of support frame is connected with the roller mechanism that changes that is used for the elastic membrane conveying right/left through the stretch cord, and the stretch cord forms the face tension response adjusting part that is used for the elastic membrane with the cooperation of roller mechanism, and this face tension response adjusting part is in the elastic membrane transfer process, and the elasticity effect through the stretch cord comes the both ends height that adjusts roller mechanism, realizes the face both sides tension of elastic membrane in the automatic adjustment transfer process, the utility model discloses be equipped with stretch cord and roller mechanism, the face tension that can the automatic adjustment elastic membrane for the face tension of elastic membrane is in on a suitable horizontal plane, and then realize guaranteeing that the face tension elasticity of elastic membrane is unanimous when heat-seal scalds the sword effect, makes things convenient for the tension adjustment of elastic membrane.

Description

Automatic membrane surface tension adjusting device for elastic membrane

Technical Field

The utility model belongs to the technical field of the elastic membrane, concretely relates to automatic adjusting device of face tension for elastic membrane.

Background

When the tension of the elastic film is uniform, the tension of both sides of the elastic film needs to be adjusted by using a device because the both sides of the elastic film are not on the same horizontal plane due to the thickness difference of the elastic film or the edge swing phenomenon.

At present, the tension control devices on the market are all integrated by a system of a tension sensor and a tension controller, an automatic control system for realizing constant tension or taper tension control cannot improve the condition that the tensions on two sides of the film surface are inconsistent, and therefore the film surface tension automatic adjusting device for the elastic film is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatic adjusting device of face tension for elastic membrane to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: the automatic film surface tension adjusting device for the elastic film comprises a bottom plate and a support frame, wherein the support frame is arranged on the upper end face of the bottom plate, a roller rotating mechanism used for conveying the elastic film to the right/left is connected to the lower portion of the support frame through an elastic rope, the elastic rope and the roller rotating mechanism are matched to form a film surface tension induction adjusting assembly used for the elastic film, and the film surface tension induction adjusting assembly automatically adjusts the heights of two ends of the roller rotating mechanism under the elastic action of the elastic rope in the conveying process of the elastic film, so that the tension of two sides of the film surface of the elastic film in the conveying process is automatically adjusted.

Preferably, the supporting frame comprises a cross rod arranged above the bottom plate and reinforcing rods arranged at two ends of the cross rod;

a triangular structure is formed between the reinforcing rod and the bottom plate, and the reinforcing rod can support and fix the cross rod.

Preferably, the roller mechanism comprises a rotating roller and a rotating shaft, and the rotating roller is rotatably arranged on the rotating shaft;

the roller rotating mechanism further comprises limiting seats arranged at two ends of the rotating shaft and used for limiting the rotating roller.

Preferably, a rotating shaft hole matched with the rotating shaft is formed in the central axis of the rotating roller.

Preferably, both ends of the rotating roller are provided with limiting plates for limiting and conveying the elastic film.

Preferably, the limiting seat is provided with a second rope hole for penetrating and connecting the elastic rope;

and the positions of the two end parts of the cross rod corresponding to the second rope holes are provided with first rope holes for penetrating and connecting the elastic ropes.

Preferably, two ends of the elastic rope respectively pass through the first rope hole and the second rope hole and are connected through a locking bolt in a locking mode.

Preferably, the outer sides of the two end parts of the cross rod are respectively provided with a first threaded hole at the position corresponding to the first rope hole, and the first rope holes are vertically distributed and communicated with the first threaded holes;

and a second threaded hole is formed in the position, corresponding to the second rope hole, of the outer side of the limiting seat, and the second rope hole and the second threaded hole are vertically distributed and communicated.

Preferably, the first threaded hole and the second threaded hole are matched with the locking bolt.

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

1. the utility model discloses be equipped with the stretch cord and change roller mechanism, in the elastic membrane transfer process, there is the lever principle between stretch cord and the commentaries on classics roller mechanism, respond to the tensile change in the membrane face both sides of elastic membrane with this, when the tensile change in the membrane face both sides of elastic membrane, the stretch cord can be stretched or shorten according to the tensile change of the membrane face of elastic membrane, adjust the height that changes roller mechanism both ends with this, thereby realize the tensile function of the membrane face of automatic adjustment elastic membrane, make the membrane face tension of elastic membrane be in on an appropriate horizontal plane, and then realize guaranteeing the membrane face tension elasticity of elastic membrane unanimous when the heat-seal scalds the knife effect, make things convenient for the tension adjustment of elastic membrane;

2. the utility model is provided with the first rope hole, the second rope hole, the first threaded hole, the second threaded hole and the locking bolt, thereby facilitating the replacement of the elastic rope, facilitating the assembly and disassembly, and improving the later maintenance and assembly efficiency;

3. the utility model discloses simple structure facilitates the use, and the cost is with low costs, practices thrift certain equipment cost.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic perspective view of the present invention;

fig. 3 is a schematic perspective view of the cross bar of the present invention;

fig. 4 is an exploded perspective view of the roller mechanism of the present invention.

In the figure: 1. a base plate; 2. a support frame; 201. a cross bar; 2011. a first rope hole; 2012. a first threaded hole; 202. a reinforcing bar; 3. an elastic cord; 4. a roller rotating mechanism; 401. a rotating roller; 4011. a limiting plate; 4012. a rotating shaft hole; 402. a rotating shaft; 403. a limiting seat; 4031. a second rope hole; 4032. a second threaded hole; 5. locking the bolt; 6. an elastic film.

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 efforts all belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an automatic film surface tension adjusting device for an elastic film, including a bottom plate 1 and a support frame 2, the support frame 2 is disposed on an upper end surface of the bottom plate 1, a roller mechanism 4 for conveying an elastic film 6 to the right/left is connected below the support frame 2 through an elastic cord 3, the elastic cord 3 and the roller mechanism 4 cooperate to form a film surface tension sensing and adjusting assembly for the elastic film 6, the film surface tension sensing and adjusting assembly automatically adjusts the height of two ends of the roller mechanism 4 through the elastic action of the elastic cord 3 in the conveying process of the elastic film 6, so as to automatically adjust the tension of two sides of the film surface of the elastic film 6 in the conveying process;

the utility model discloses be equipped with stretch cord 3 and change roller mechanism 4, in 6 transfer process of elastic membrane, there is lever principle stretch cord 3 with changeing between roller mechanism 4, respond to the tensile change in the membrane face both sides of elastic membrane 6 with this, when the membrane face both sides tension of elastic membrane 6 changes, stretch or shorten according to the tension change of the membrane face of elastic membrane 6 by stretch cord 3, adjust the height of changeing roller mechanism 4 both ends with this, thereby realize the tensile function of the membrane face of automatic adjustment elastic membrane 6, make the membrane face tension of elastic membrane 6 be in on a suitable horizontal plane, and then realize guaranteeing that the membrane face tension elasticity of elastic membrane 6 is unanimous when the heat-seal scalds the sword effect.

In this embodiment, as shown in fig. 1 and fig. 2, the supporting frame 2 includes a cross bar 201 disposed above the bottom plate 1 and reinforcing rods 202 disposed at two ends of the cross bar 201;

form the triangle-shaped structure between stiffener 202 and the bottom plate 1, stiffener 202 can support horizontal pole 201 fixed, improves support frame 2's stability, the normal use of guarantee device.

In this embodiment, as shown in fig. 1 and 4, the roller mechanism 4 includes a rotating roller 401 and a rotating shaft 402, a rotating shaft hole 4012 adapted to the rotating shaft 402 is formed in a central axis of the rotating roller 401, and the rotating roller 401 is rotatably disposed on the rotating shaft 402;

the roller mechanism 4 further comprises limiting seats 403 arranged at two ends of the rotating shaft 402 and used for limiting the rotating roller 401, so that the rotating roller 401 can normally rotate on the rotating shaft 402, and the rotating roller 401 is prevented from falling off or deviating from the rotating shaft 402.

In this embodiment, as shown in fig. 1 and fig. 2, both ends of the rotating roller 401 are provided with the limiting plates 4011 for limiting and conveying the elastic film 6, so that the elastic film 6 is prevented from rotating and deviating on the rotating roller 401, and the use stability of the device is improved.

In this embodiment, as shown in fig. 1 to 4, a second rope hole 4031 for passing through the elastic rope 3 is formed on the limiting seat 403;

first rope holes 2011 for threading the elastic ropes 3 are formed at the positions, corresponding to the second rope holes 4031, of the two end parts of the cross bar 201;

two ends of the elastic rope 3 respectively penetrate through the first rope hole 2011 and the second rope hole 4031 and are connected in a locking mode through the locking bolt 5;

first threaded holes 2012 are respectively formed in positions, corresponding to the first rope holes 2011, on the outer sides of the two end portions of the cross rod 201, and the first rope holes 2011 and the first threaded holes 2012 are vertically distributed and communicated;

a second threaded hole 4032 is formed in the outer side of the limiting seat 403 at a position corresponding to the second rope hole 4031, and the second rope hole 4031 and the second threaded hole 4032 are vertically distributed and communicated;

the first threaded hole 2012 and the second threaded hole 4032 are both matched with the locking bolt 5;

the utility model discloses be equipped with first rope socket 2011, second rope socket 4031, first screw hole 2012, second screw hole 4032 and locking bolt 5, conveniently change stretch cord 3, be convenient for simultaneously assemble and dismantle, improve later maintenance and assembly efficiency.

In summary, the automatic film surface tension adjusting device for an elastic film according to the present embodiment includes:

s1: when the elastic film conveying device is used, the elastic film 6 is driven leftwards or rightwards from the rotating roller 401, and a lever principle exists between the elastic rope 3 and the rotating roller mechanism 4 in the conveying process of the elastic film 6, so that the tension change of two sides of the film surface of the elastic film 6 is sensed;

s2: when the tension of the two sides of the elastic film 6 changes, the elastic ropes 3 stretch or shorten according to the tension change of the elastic film 6, so that the heights of the two ends of the roller mechanism 4 are adjusted, the function of automatically adjusting the film surface tension of the elastic film 6 is realized, the film surface tension of the elastic film 6 is enabled to be on a proper horizontal plane, and the tension and tightness of the film surface tension of the elastic film 6 are ensured to be consistent under the action of a heat-sealing ironing knife;

s3: when the stretch cord 3 needs to be replaced, the locking bolts 5 can be screwed down, then the two ends of the stretch cord 3 are respectively drawn out from the first cord hole 2011 and the second cord hole 4031, then the two ends of the new stretch cord 3 are respectively threaded into the first cord hole 2011 and the second cord hole 4031, then the locking bolts 5 are screwed into the first threaded hole 2012 and the second threaded hole 4032, the stretch cord 3 is fixed, when the two stretch cords 3 are replaced, the height consistency of the two stretch cords 3 needs to be kept, and the level of the rotating roller 401 is consistent.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The automatic film surface tension adjusting device for the elastic film is characterized by comprising a bottom plate (1) and a support frame (2), wherein the support frame (2) is arranged on the upper end face of the bottom plate (1), a roller rotating mechanism (4) used for conveying the elastic film (6) to the right/left is connected to the lower portion of the support frame (2) through an elastic rope (3), the elastic rope (3) and the roller rotating mechanism (4) are matched to form a film surface tension sensing adjusting assembly used for the elastic film (6), and the film surface tension sensing adjusting assembly automatically adjusts the heights of two ends of the roller rotating mechanism (4) through the elastic action of the elastic rope (3) in the conveying process of the elastic film (6), so that the tension of two sides of the film surface of the elastic film (6) in the conveying process is automatically adjusted.

2. The device according to claim 1, wherein the device is configured to automatically adjust the film surface tension of the elastic film, and further comprises: the supporting frame (2) comprises a cross rod (201) arranged above the bottom plate (1) and reinforcing rods (202) arranged at two ends of the cross rod (201);

a triangular structure is formed between the reinforcing rod (202) and the bottom plate (1), and the reinforcing rod (202) can support and fix the cross rod (201).

3. The apparatus according to claim 2, wherein the apparatus further comprises: the roller mechanism (4) comprises a rotating roller (401) and a rotating shaft (402), and the rotating roller (401) is rotatably arranged on the rotating shaft (402);

the roller rotating mechanism (4) further comprises limiting seats (403) arranged at two ends of the rotating shaft (402) and used for limiting the rotating roller (401).

4. The apparatus according to claim 3, wherein the apparatus further comprises: and a rotating shaft hole (4012) matched with the rotating shaft (402) is formed in the central axis of the rotating roller (401).

5. The apparatus according to claim 3, wherein the apparatus further comprises: and limiting plates (4011) used for limiting and conveying the elastic film (6) are arranged at two ends of the rotating roller (401).

6. The device according to claim 3, wherein the device is characterized in that: a second rope hole (4031) for penetrating and connecting the elastic rope (3) is formed in the limiting seat (403);

first rope holes (2011) used for being connected with the elastic ropes (3) in a penetrating mode are formed in positions, corresponding to the second rope holes (4031), of two end portions of the cross rod (201).

7. The apparatus according to claim 6, wherein the apparatus further comprises: two ends of the elastic rope (3) respectively penetrate through the first rope hole (2011) and the second rope hole (4031) and are connected in a locking mode through locking bolts (5).

8. The apparatus according to claim 7, wherein the apparatus further comprises: the outer sides of two end parts of the cross rod (201) are provided with first threaded holes (2012) at positions corresponding to the first rope holes (2011), and the first rope holes (2011) are vertically distributed and communicated with the first threaded holes (2012);

a second threaded hole (4032) is formed in the position, corresponding to the second rope hole (4031), on the outer side of the limiting seat (403), and the second rope hole (4031) and the second threaded hole (4032) are vertically distributed and communicated.

9. The apparatus according to claim 8, wherein the apparatus further comprises: the first threaded hole (2012) and the second threaded hole (4032) are both adapted to the locking bolt (5).