Film stretching clamp

Abstract

The utility model relates to the technical field of film stretching, in particular to a film stretching clamp which comprises a fixed top plate, a rotary connecting assembly is arranged at the top of the fixed top plate, a rotary groove is formed in the top of the fixed top plate, a rotary shaft is movably connected into the rotary groove, and a fixed disc is fixedly connected to the top end of the rotary shaft. The device comprises a fixed disc, four arc-shaped grooves are formed in the fixed disc, the four arc-shaped grooves are distributed in the fixed disc in an annular array mode, the interiors of the four arc-shaped grooves are movably connected with connecting columns correspondingly, and the top of the fixed disc is fixedly connected with a rotating block. According to the thin film stretching clamp, a thin film is stretched by rotating the connecting assembly, the clamp is subjected to tension stretching by rotating the rotating block clockwise, the clamp is retracted by rotating the rotating block anticlockwise, the stretching force is adjusted through the tension of the stretched thin film, and meanwhile under the condition that wind exists, four corners are stably fixed; and the film is not easy to deform.

Description

Technical Field

[0001] The utility model relates to the technical field of film stretching, in particular to a film stretching clamp. Background Art

[0002] A film is a thin, soft, transparent sheet. A film can be a transparent solid, a liquid, or a thin layer of gas sandwiched between two pieces of glass. Common film stretching methods include biaxially stretched films. Films prepared using a biaxial stretching process are obtained by simultaneously stretching or sequentially stretching a flat film in two mutually perpendicular axial directions within the film surface.

[0003] In a ventilated environment, when the film is pulled out from the roller, the two lateral sides of the film are subjected to force, and the wind blows the film to fold the other two sides of the film, making the film prone to deformation due to uneven force, which will cause the film to roll inward when it is used. Utility Model Content

[0004] The purpose of the utility model is to provide a film stretching clamp to solve the problem raised in the above-mentioned background technology that in a ventilated environment, when the film is pulled out from a roller, the two lateral sides of the film are subjected to force, and the wind blows the film to fold the other two sides of the film, making the film prone to deformation due to uneven force, which will cause the film to roll inward when it is used. To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a film stretching clamp, comprising a fixed top plate, a rotating connection assembly is arranged on the top of the fixed top plate, the rotating connection assembly comprises a rotating groove, the rotating groove is opened on the top of the fixed top plate, a rotating shaft is movably connected inside the rotating groove, a fixed disc is fixedly connected to the top of the rotating shaft, four arc grooves are opened inside the fixed disc, the four arc grooves are distributed in a ring array inside the fixed disc, connecting columns are movably connected inside the four arc grooves, buckles are fixedly connected to the top of the connecting columns, a rotating block is fixedly connected to the top of the fixed disc, the bottom end of the rotating block passes through the fixed disc and is fixedly connected to the top of the rotating shaft, a sliding stretching assembly is arranged inside the fixed top plate, the film is stretched by the rotating connection assembly, the rotating block is rotated clockwise to make the clamp perform tension stretching, and the rotating block is rotated counterclockwise to retract it, the stretching force is adjusted by the tension of the stretched film, and at the same time, in the case of wind, the film is not easily deformed by stably fixing the four corners.

[0005] Further preferably, the sliding stretching assembly includes four limit grooves, which are arranged in a circular array at the top of the fixed top plate, and the four limit grooves are movably connected to the limit columns inside, and the top of the limit columns is fixedly connected with a disc, and the disc is fixedly connected to the end opposite to the connecting column, and the bottom of the fixed top plate is provided with four slide grooves, which are distributed in a circular array at the bottom of the fixed top plate, and the inside of the four slide grooves are movably connected with sliders, and the bottom end of the limit column is fixedly connected to the top of the slider, and a fixed clamping assembly is provided on one side of the slider, which is stretched by the sliding stretching assembly, and four groups of identical sliding stretching assemblies are provided for four-corner stretching, which can make the film more stable during the stretching process to the greatest extent, and the film will be tightened as it is stretched.

[0006] Further preferably, the fixed clamping assembly includes a connecting plate, the connecting plate is fixedly connected to one side of the slider, the top of the connecting plate is fixedly connected to a limiting top plate, one side of the connecting plate is provided with a sliding groove, the sliding groove is movably connected to a sliding block inside, the top of the sliding block is movably connected to an iron sheet, the bottom of the iron sheet passes through the sliding block and is fixedly connected to a card, the top of the limiting top plate is fixedly connected to an electromagnetic induction coil, the top of the sliding block is fixedly connected to a spring, the film is fixed by the fixed clamping assembly, and electromagnetic fixation is performed by the electromagnetic induction coil and the patch, and it has strong fixation, so that the film will not fall off during the stretching process, and it has a self-locking effect.

[0007] Further preferably, the electromagnetic induction coil is electromagnetically connected to the iron sheet, the top of the spring is fixedly connected to the inner wall opposite to the sliding groove, and the bottom of the fixed top plate is fixedly connected to a connecting support plate.

[0008] Further preferably, the bottom of the connecting support plate is fixedly connected to a fixed base plate, the top of the fixed base plate is fixedly connected to a storage box, the bottom of the storage box is fixedly connected to a supporting leg, the bottom of the supporting leg is fixedly connected to a fixed pad, the storage box is used to store the stretched film, the supporting leg is used to support the clamp, and the fixed pad is used to stabilize the clamp.

[0009] Compared with the prior art, the utility model has the following beneficial effects:

[0010] In the utility model, the film stretching clamp stretches the film by rotating the connecting assembly. The rotating block is rotated clockwise to stretch the clamp, and the rotating block is rotated counterclockwise to retract it. The stretching force is adjusted by the tension of the stretched film. At the same time, in the case of wind, the film is stably fixed at the four corners so that it is not easy to deform.

[0011] In the utility model, the film stretching clamp is stretched by a sliding stretching assembly, and four groups of identical sliding stretching assemblies are provided for four-corner stretching, which can make the film more stable during the stretching process to the greatest extent, and the film becomes tighter and tighter as it is stretched.

[0012] In the utility model, the film stretching clamp fixes the film by fixing the clamping assembly, and electromagnetically fixes the film by the electromagnetic induction coil and the patch, and has strong fixation, so that the film will not fall off during the stretching process, and has a self-locking effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the three-dimensional structure of the utility model when viewed from above;

[0015] Figure 3 This is a schematic diagram of the three-dimensional structure of the fixed clamping assembly of the utility model;

[0016] Figure 4 This is a schematic diagram of the three-dimensional structure of the utility model from a side view;

[0017] Figure 5 It is a rear-view stereoscopic structural schematic diagram of the utility model.

[0018] In the figure: 1. fixed top plate; 2. rotating connection component; 3. sliding stretching component; 4. fixed clamping component; 5. connecting support plate; 6. fixed bottom plate; 7. storage box; 8. support leg; 9. fixed pad; 201. rotating groove; 202. rotating shaft; 203. fixed disc; 204. arc groove; 205. connecting column; 206. buckle; 207. rotating block; 301. limiting groove; 302. limiting column; 303. disc; 304. sliding groove; 305. sliding block; 401. connecting plate; 402. limiting top plate; 403. sliding groove; 404. sliding block; 405. iron sheet; 406. card; 407. electromagnetic induction coil; 408. spring. DETAILED DESCRIPTION

[0019] 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 technical personnel in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-Figure 5The utility model provides a technical solution: a film stretching clamp, comprising a fixed top plate 1, a rotating connection assembly 2 is arranged on the top of the fixed top plate 1, the rotating connection assembly 2 comprises a rotating groove 201, the rotating groove 201 is opened on the top of the fixed top plate 1, a rotating shaft 202 is movably connected inside the rotating groove 201, a fixed disc 203 is fixedly connected to the top of the rotating shaft 202, four arc grooves 204 are opened inside the fixed disc 203, the four arc grooves 204 are distributed in a ring array inside the fixed disc 203, the four arc grooves 204 are respectively movably connected to connecting columns 205, the connecting columns 205 A buckle 206 is fixedly connected to the top, and a rotating block 207 is fixedly connected to the top of the fixed disk 203. The bottom end of the rotating block 207 passes through the fixed disk 203 and is fixedly connected to the top of the rotating shaft 202. A sliding stretching component 3 is arranged inside the fixed top plate 1. When the fixation is completed, stretching is performed by rotating the rotating block 207. At the same time, the rotating block 207 is connected to the rotating shaft 202. The rotating block 207 drives the fixed disk 203 to rotate. At the same time, the connecting column 205 slides in the arc groove 204. At the same time, the connecting column 205 is connected to the limiting column 302. When the connecting column 205 slides along the arc groove 204.

[0021] In this embodiment, Figure 2 and Figure 4 As shown, the sliding stretching component 3 includes four limit grooves 301, which are arranged in a circular array at the top of the fixed top plate 1, and the four limit grooves 301 are respectively movably connected to the limit columns 302, and the upper end of the limit column 302 is fixedly connected to a disc 303, and the disc 303 is fixedly connected to the end opposite to the connecting column 205, and four slide grooves 304 are arranged at the bottom of the fixed top plate 1, and the four slide grooves 304 are distributed in a circular array at the bottom of the fixed top plate 1, and the insides of the four slide grooves 304 are respectively movably connected to sliders 305, and the lower end of the limit column 302 is fixedly connected to the top of the slider 305, and a fixed clamping component 4 is provided on one side of the slider 305, and the limit column 302 slides along the limit groove 301, and because the limit column 302 is connected to the slider 305, the slider 305 moves along the slide groove 304, thereby driving the fixed clamping component 4 to stretch the film from the inside to the outside.

[0022] In this embodiment, Figure 3As shown, the fixed clamping component 4 includes a connecting plate 401, which is fixedly connected to one side of the slider 305, and the top of the connecting plate 401 is fixedly connected to a limited top plate 402. A sliding groove 403 is provided on one side of the connecting plate 401, and a sliding block 404 is movably connected inside the sliding groove 403. The top of the sliding block 404 is movably connected to an iron sheet 405, and the bottom of the iron sheet 405 passes through the sliding block 404 and is fixedly connected to a card 406, the top of the limited top plate 402 is fixedly connected to an electromagnetic induction coil 407, and the top of the sliding block 404 is fixedly connected to a spring 408. The fixed clamping component 4 fixes and clamps the film by placing a corner of the film on the sliding block 404, and then energizing the electromagnetic induction coil 407 to generate an electromagnetic effect, and the iron sheet 405 drives the corner of the film to move upward along the sliding groove 403 through the sliding block 404 to fix the film. Four fixed clamping components 4 are provided to fix the four corners of the film respectively.

[0023] In this embodiment, Figure 4 As shown, the electromagnetic induction coil 407 is electromagnetically connected to the iron sheet 405, the top of the spring 408 is fixedly connected to the inner wall opposite to the sliding groove 403, and the bottom of the fixed top plate 1 is fixedly connected to the connecting support plate 5. When the stretching is completed, the electromagnetic induction coil 407 is powered off to make the electromagnetic disappear, and the sliding block 404 is restored by the elastic force of the spring 408, and the stretched film falls into the storage box 7 for collection.

[0024] In this embodiment, Figure 1 , Figure 2 and Figure 3 As shown, the bottom of the connecting support plate 5 is fixedly connected to a fixed base plate 6, the top of the fixed base plate 6 is fixedly connected to a storage box 7, the bottom of the storage box 7 is fixedly connected to a supporting leg 8, and the bottom of the supporting leg 8 is fixedly connected to a fixed pad 9, and the film stretching clamp is fixed and stabilized by the supporting leg 8 and the fixed pad 9.

[0025] The use method and advantages of the utility model: When the film stretching clamp is used, the working process is as follows:

[0026] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5As shown, the film stretching fixture is first fixed and stabilized by the support legs 8 and the fixed pads 9, and then the film is fixed and clamped by the fixed clamping assembly 4. By placing a corner of the film on the sliding block 404, and then the electromagnetic induction coil 407 is energized to produce an electromagnetic effect, the iron sheet 405 drives the corner of the film to move upward along the sliding groove 403 through the sliding block 404 to fix the film. Four fixed clamping assemblies 4 are provided to fix the four corners of the film respectively. When the fixation is completed, the film is stretched, and by rotating the rotating block 207, the rotating block 207 is connected to the rotating shaft 202, and the rotating block 207 drives the fixed circle The disk 203 rotates, and the connecting column 205 slides in the arc groove 204. At the same time, the connecting column 205 is connected to the limiting column 302. When the connecting column 205 slides along the arc groove 204, the limiting column 302 slides along the limiting groove 301. Because the limiting column 302 is connected to the slider 305, the slider 305 moves along the slide groove 304, thereby driving the fixed clamping assembly 4 to stretch the film from the inside to the outside. When the stretching is completed, the electromagnetic induction coil 407 is powered off to make the electromagnetism disappear, and the sliding block 404 is restored by the elastic force of the spring 408, and the stretched film falls into the storage box 7 for collection.

[0027] The above shows and describes the basic principle, main features and advantages of the utility model. Technical staff in this industry should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A film stretching fixture, comprising a fixed top plate (1), characterized in that: A rotating connection assembly (2) is arranged on the top of the fixed top plate (1), and the rotating connection assembly (2) comprises a rotating groove (201), the rotating groove (201) is opened on the top of the fixed top plate (1), a rotating shaft (202) is movably connected inside the rotating groove (201), a fixed disc (203) is fixedly connected to the top of the rotating shaft (202), and four arc grooves (204) are opened inside the fixed disc (203), and the four arc grooves (204) are arranged on the fixed top plate (1). The inside of the disc (203) is distributed in a ring array, and the insides of the four arc-shaped grooves (204) are respectively movably connected with connecting columns (205), and the top ends of the connecting columns (205) are fixedly connected with buckles (206). The top of the fixed disc (203) is fixedly connected with a rotating block (207), and the bottom end of the rotating block (207) penetrates the fixed disc (203) and is fixedly connected with the top end of the rotating shaft (202), and a sliding stretching component (3) is arranged inside the fixed top plate (1).

2. A film stretching fixture according to claim 1, characterized in that: The sliding stretching assembly (3) comprises four limit grooves (301), the four limit grooves (301) are arranged on the top of the fixed top plate (1) in an annular array, the inside of the four limit grooves (301) are respectively movably connected to the limit pillars (302), one end of the limit pillar (302) is fixedly connected to a disc (303), the end of the disc (303) opposite to the connecting pillar (205) is fixedly connected, the bottom of the fixed top plate (1) is provided with four slide grooves (304), the four slide grooves (304) are arranged on the bottom of the fixed top plate (1) in an annular array, the inside of the four slide grooves (304) are respectively movably connected to the sliders (305), the bottom end of the limit pillar (302) is fixedly connected to the top of the slider (305), and a fixed clamping assembly (4) is arranged on one side of the slider (305).

3. A film stretching fixture according to claim 2, characterized in that: The fixed clamping assembly (4) comprises a connecting plate (401), wherein the connecting plate (401) is fixedly connected to one side of the sliding block (305), the top of the connecting plate (401) is fixedly connected to a limiting top plate (402), a sliding groove (403) is provided on one side of the connecting plate (401), a sliding block (404) is movably connected inside the sliding groove (403), the top of the sliding block (404) is movably connected to an iron sheet (405), the bottom of the iron sheet (405) passes through the sliding block (404) and is fixedly connected to a card (406), the top of the limiting top plate (402) is fixedly connected to an electromagnetic induction coil (407), and the top of the sliding block (404) is fixedly connected to a spring (408).

4. A film stretching fixture according to claim 3, characterized in that: The electromagnetic induction coil (407) is electromagnetically connected to the iron sheet (405), the top of the spring (408) is fixedly connected to the inner wall opposite to the sliding groove (403), and the bottom of the fixed top plate (1) is fixedly connected to a connecting support plate (5).

5. A film stretching fixture according to claim 4, characterized in that: The bottom of the connecting support plate (5) is fixedly connected to a fixed bottom plate (6), the top of the fixed bottom plate (6) is fixedly connected to a storage box (7), the bottom of the storage box (7) is fixedly connected to a supporting leg (8), and the bottom of the supporting leg (8) is fixedly connected to a fixed pad (9).

Images