CN216708342U

CN216708342U - Pre-shrinking device for new material film

Info

Publication number: CN216708342U
Application number: CN202122964066.0U
Authority: CN
Inventors: 定发
Original assignee: Shenzhen Changsong Technology Co ltd
Current assignee: Shenzhen Changsong Technology Co ltd
Priority date: 2021-11-29
Filing date: 2021-11-29
Publication date: 2022-06-10
Anticipated expiration: 2031-11-29

Abstract

The utility model belongs to the field of films, and particularly relates to a pre-shrinking device for a new material film, which comprises a shell; a film is inserted into the shell, and two ends of the film are attached with first transmission rods; two ends of the first conveying rod are connected to the shell in a switching mode, and the middle end of the film is provided with a second conveying rod; the upper end of the second conveying rod is provided with an adjusting mechanism; the adjusting mechanism comprises a sleeve, a first limiting rod, a rotating unit, a limiting unit and an auxiliary moving unit, and the sleeve is sleeved outside the second conveying rod; the middle end of the sleeve is fixedly connected with a first limiting rod, and the outer side of the first limiting rod is inserted into the second conveying rod; a rotating unit is arranged on the upper side of the sleeve, and limiting units are arranged on two sides of the rotating unit; auxiliary moving units are arranged on two sides of the sleeve; through setting up and adjusting the drum that hits, carry out quick adjustment when making the tensile force of film need adjust, and then be convenient for be suitable for the demand to the tensile force when different film productions.

Description

Pre-shrinking device for new material film

Technical Field

The utility model relates to the field of films, in particular to a pre-shrinking device for a new material film.

Background

When the film is produced and processed, a pre-shrinking device is needed to stretch the film, so that the film is prevented from rebounding and shrinking after being produced.

When the film pre-shrinking device is used for processing the film, one end of the film penetrates through the inside of the shrinking device and is sequentially sleeved on the outer sides of the conveying rods, and the film generates a certain tensioning force during conveying through the height difference between the conveying rods, so that the film is stretched.

When the pre-shrinking device is used for processing the thin film, the position of the conveying rod cannot be adjusted, so that the tension of the thin film is inconvenient to adjust, the tension of the pre-shrinking device is single, and the pre-shrinking device is inconvenient to adapt to the thin film which needs stretching with different tensions; therefore, a pre-shrinking device for new material films is proposed to address the above problems.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art and solve the problem that the tension of a pre-shrinking device is inconvenient to adjust, the utility model provides a pre-shrinking device for a new material film.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model relates to a pre-shrinking device for a new material film, which comprises a shell; a film is inserted into the shell, and two ends of the film are attached with first transmission rods; two ends of the first conveying rod are connected to the shell in a switching mode, and the middle end of the film is provided with a second conveying rod; the upper end of the second conveying rod is provided with an adjusting mechanism; the adjusting mechanism comprises a sleeve, a first limiting rod, a rotating unit, a limiting unit and an auxiliary moving unit, and the sleeve is sleeved on the outer side of the second conveying rod; the middle end of the sleeve is fixedly connected with a first limiting rod, and the outer side of the first limiting rod is inserted into the second conveying rod; a rotating unit is arranged on the upper side of the sleeve, and limiting units are arranged on two sides of the rotating unit; the auxiliary moving units are arranged on two sides of the sleeve, and the drum is adjusted through setting, so that the tensioning force of the film can be quickly adjusted when needing to be adjusted, and the requirements for the tensioning force when different films are produced are convenient to meet.

Preferably, the two ends of the shell are provided with auxiliary inserting mechanisms, and each auxiliary inserting mechanism comprises a second ball and a rolling unit; second balls are inserted into the two ends of the shell, and one side, far away from the shell, of each second ball is attached to the thin film; the rolling unit is arranged on the outer side of the film, and the auxiliary inserting mechanism is arranged to assist the film to be inserted when the film is inserted into the shell.

Preferably, the rotating unit comprises an inner threaded rod and an outer threaded rotating rod, and the upper side of the sleeve is fixedly connected with the inner threaded rod; the threaded rod upper end sets up the external screw thread bull stick, through setting up internal screw thread and external screw thread bull stick, is convenient for rotate the regulation through the thread engagement of internal screw thread and external screw thread bull stick.

Preferably, the limiting unit comprises a supporting plate and a limiting block, and two sides of the upper end of the internal thread rod are attached to the supporting plate; the upper side of the supporting plate is fixedly connected to the shell, and a limiting block is fixedly connected to one side, close to the inner threaded rod, of the supporting plate; the one end that the backup pad was kept away from to the stopper slides in the internal threaded rod, through setting up backup pad and stopper, when being convenient for make the internal threaded rod remove, carries on spacingly to the internal threaded rod.

Preferably, the auxiliary moving unit comprises a sliding block and a rubber pad, and the sliding block is fixedly connected to two sides of the sleeve; one end, far away from the sleeve, of the sliding block is inserted in the shell, the rubber pad is fixedly connected to the outer side of the sliding block, and the sliding block and the rubber pad are arranged, so that the sleeve can be conveniently moved in an auxiliary mode.

Preferably, the rolling unit comprises a roller and a second limiting rod, and the outer side of the film is attached to the roller; one end of the roller, which is far away from the film, is inserted in the shell, and a second limiting rod is inserted in the roller; the two sides of the second limiting rod are fixedly connected to the shell, and the film is convenient to insert and establish in an auxiliary mode through the rollers and the second limiting rod.

The utility model has the advantages that:

1. according to the utility model, through arranging the adjusting mechanism, when the tension force of the film needs to be adjusted, the rotating unit is screwed, the sleeve is driven to move through the extension and contraction of the rotating unit, and when the sleeve moves, the limiting unit is used for limiting and the auxiliary moving unit is used for assisting to move, so that the tension force of the pre-shrinking device is convenient to adjust;

2. according to the utility model, the auxiliary inserting mechanism is arranged, so that when the film is inserted into the shell, the film is guided in an auxiliary manner through the second ball, and then the film is inserted in an auxiliary manner through the rolling unit, so that the film is convenient to convey during subsequent treatment.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a schematic cross-sectional front view illustrating a structure of a first embodiment of the present invention;

FIG. 2 is a left side view of the first embodiment;

FIG. 3 is a schematic cross-sectional view of the left side of the first embodiment;

FIG. 4 is a schematic diagram of a structure at A in FIG. 1 according to a first embodiment;

FIG. 5 is a schematic diagram of a structure at B in FIG. 3 according to the first embodiment;

FIG. 6 is a schematic diagram of a structure at C in FIG. 1 according to the first embodiment;

fig. 7 is a schematic left side sectional view of the second embodiment.

In the figure: 110. a housing; 120. a film; 130. a first transfer lever; 140. a second transfer lever; 210. a sleeve; 220. a first limit rod; 230. an inner threaded rod; 240. an externally threaded rotating rod; 250. a support plate; 260. a limiting block; 270. a slider; 280. a rubber pad; 290. a first ball bearing; 310. a second ball bearing; 320. a roller; 330. a second limiting rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

Referring to fig. 1-6, a pre-shrinking apparatus for new material film includes a housing 110; a film 120 is inserted into the housing 110, and a first transmission rod 130 is attached to two ends of the film 120; the two ends of the first transmission rod 130 are connected to the housing 110 in a rotating manner, and the middle end of the film 120 is provided with a second transmission rod 140; an adjusting mechanism is arranged at the upper end of the second conveying rod 140; the adjusting mechanism comprises a sleeve 210, a first limiting rod 220, a rotating unit, a limiting unit and an auxiliary moving unit, and the sleeve 210 is sleeved outside the second transmission rod 140; the middle end of the sleeve 210 is fixedly connected with a first limiting rod 220, and the outer side of the first limiting rod 220 is inserted into the second transmission rod 140; a rotating unit is arranged on the upper side of the sleeve 210, and limiting units are arranged on two sides of the rotating unit; auxiliary moving units are arranged on two sides of the sleeve 210; when the film tensioning device works, the rotating unit is screwed when the film tensioning force needs to be adjusted, the sleeve 210 is driven to move through the stretching of the rotating unit, the sleeve 210 is limited through the limiting unit when moving and is assisted to move through the auxiliary moving unit, the drum is beaten through setting adjustment, the film tensioning force needs to be adjusted, and then the film tensioning force can be rapidly adjusted when being convenient for different film production.

The two ends of the shell 110 are provided with auxiliary inserting mechanisms, and the auxiliary inserting mechanisms comprise second balls 310 and rolling units; the second balls 310 are inserted into the two ends of the outer shell 110, and one side of the second balls 310 far away from the outer shell 110 is attached to the film 120; a rolling unit is arranged outside the film 120; in operation, when the film 120 is inserted into the housing 110, the film 120 is first inserted into the housing 110 by the auxiliary guide of the second balls 310 and then the rolling unit, and by providing the auxiliary insertion mechanism, the film 120 is inserted into the housing 110.

The rotating unit comprises an inner threaded rod 230 and an outer threaded rotating rod 240, and the upper side of the sleeve 210 is fixedly connected with the inner threaded rod 230; the upper end of the inner threaded rod 230 is provided with an outer threaded rotating rod 240; during operation, the external screw rotating rod 240 is screwed, the internal screw rod 230 is moved through the threaded engagement between the external screw rotating rod 240 and the internal screw rod 230, and the internal screw rod 230 and the external screw rotating rod 240 are arranged to facilitate the rotation adjustment through the threaded engagement between the internal screw rod 230 and the external screw rotating rod 240.

The limiting unit comprises a supporting plate 250 and a limiting block 260, and two sides of the upper end of the internal thread rod 230 are attached to the supporting plate 250; the upper side of the supporting plate 250 is fixedly connected to the shell 110, and one side of the supporting plate 250 close to the inner threaded rod 230 is fixedly connected with a limiting block 260; one end of the limiting block 260 far away from the supporting plate 250 slides in the internal threaded rod 230; during operation, the inner threaded rod 230 drives the sleeve 210, the first limiting rod 220 and the second transmission rod 140 to move under the limiting of the supporting plate 250 and the limiting block 260, and the supporting plate 250 and the limiting block 260 are arranged, so that the inner threaded rod 230 is limited when the inner threaded rod 230 moves.

The auxiliary moving unit comprises a sliding block 270 and a rubber pad 280, and the sliding block 270 is fixedly connected to two sides of the sleeve 210; one end of the sliding block 270, which is far away from the sleeve 210, is inserted into the shell 110, and a rubber pad 280 is fixedly connected to the outer side of the sliding block 270; in operation, the inner threaded rod 230 is assisted by the sliding block 270 and the rubber pad 280 while moving, and the sliding block 270 and the rubber pad 280 are arranged to facilitate the auxiliary movement of the sleeve 210 during moving.

The rolling unit comprises a roller 320 and a second limiting rod 330, and the outer side of the film 120 is attached to the roller 320; one end of the roller 320, which is far away from the film 120, is inserted into the shell 110, and a second limiting rod 330 is inserted into the roller 320; two sides of the second limiting rod 330 are fixedly connected to the shell 110; during operation, after the film 120 is attached to the roller 320, the roller 320 rotates under the limit of the second limiting rod 330, the film 120 is assisted to be inserted through the rotation of the roller 320, and the film 120 is assisted to be inserted through the arrangement of the roller 320 and the second limiting rod 330.

Example two

Referring to fig. 7, in a first comparative example, as another embodiment of the present invention, a first ball 290 is inserted into the slider 270, and one side of the first ball 290 away from the slider 270 is attached to the outer shell 110; during operation, the slider 270 moves to drive the first ball 290 to move synchronously, and the slider 270 is assisted to move by the first ball 290.

According to the working principle, when the film 120 is inserted into the housing 110, one end of the film 120 is inserted into the housing 110 through the second ball 310, then after the film 120 is attached to the roller 320, the roller 320 rotates under the limit of the second limiting rod 330, and the film 120 is inserted in an auxiliary manner through the rotation of the roller 320.

When the tension of the film 120 needs to be adjusted, the external thread rotating rod 240 is screwed first, the internal thread rod 230 is moved through the thread engagement between the external thread rotating rod 240 and the internal thread rod 230, the internal thread rod 230 drives the sleeve 210, the first limiting rod 220 and the second transmission rod 140 to move under the limitation of the supporting plate 250 and the limiting block 260, the second transmission rod 140 is adjusted, and the internal thread rod 230 is assisted by the sliding block 270 and the rubber pad 280 while moving.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.

Claims

1. A pre-shrinking apparatus for new material films, comprising: comprises a housing (110); a film (120) is inserted into the shell (110), and two ends of the film (120) are attached with a first transmission rod (130); two ends of the first transmission rod (130) are connected to the shell (110) in a rotating mode, and the middle end of the film (120) is provided with a second transmission rod (140); an adjusting mechanism is arranged at the upper end of the second conveying rod (140);

the adjusting mechanism comprises a sleeve (210), a first limiting rod (220), a rotating unit, a limiting unit and an auxiliary moving unit, and the sleeve (210) is sleeved on the outer side of the second transmission rod (140); the middle end of the sleeve (210) is fixedly connected with a first limiting rod (220), and the outer side of the first limiting rod (220) is inserted into the second transmission rod (140); a rotating unit is arranged on the upper side of the sleeve (210), and limiting units are arranged on two sides of the rotating unit; auxiliary moving units are arranged on two sides of the sleeve (210).

2. A pre-shrinking device for new material films according to claim 1, characterized in that: two ends of the shell (110) are provided with auxiliary inserting mechanisms, and each auxiliary inserting mechanism comprises a second ball (310) and a rolling unit; second balls (310) are inserted into the two ends of the shell (110), and one side, far away from the shell (110), of each second ball (310) is attached to the film (120); the rolling unit is arranged on the outer side of the film (120).

3. A pre-shrinking apparatus for new material films, according to claim 1, wherein: the rotating unit comprises an inner threaded rod (230) and an outer threaded rotating rod (240), and the inner threaded rod (230) is fixedly connected to the upper side of the sleeve (210); and the upper end of the inner threaded rod (230) is provided with an outer threaded rotating rod (240).

4. A pre-shrinking device for new material films according to claim 1, characterized in that: the limiting unit comprises a supporting plate (250) and a limiting block (260), and two sides of the upper end of the inner threaded rod (230) are attached to the supporting plate (250); the upper side of the supporting plate (250) is fixedly connected to the shell (110), and one side, close to the inner threaded rod (230), of the supporting plate (250) is fixedly connected with a limiting block (260); one end of the limiting block (260) far away from the supporting plate (250) slides in the inner threaded rod (230).

5. A pre-shrinking device for new material films according to claim 1, characterized in that: the auxiliary moving unit comprises a sliding block (270) and a rubber pad (280), and the sliding block (270) is fixedly connected to two sides of the sleeve (210); one end, far away from the sleeve (210), of the sliding block (270) is inserted into the shell (110), and a rubber pad (280) is fixedly connected to the outer side of the sliding block (270).

6. A pre-shrinking device for new material films, according to claim 2, characterized in that: the rolling unit comprises a roller (320) and a second limiting rod (330), and the outer side of the film (120) is attached to the roller (320); one end, far away from the film (120), of the roller (320) is inserted into the shell (110), and a second limiting rod (330) is inserted into the roller (320); two sides of the second limiting rod (330) are fixedly connected to the shell (110).