Protective film cutting jig

Abstract

The utility model relates to a protective film cutting jig which comprises a support, a rotating shaft and a cutting mechanism are correspondingly arranged on the two opposite sides of the support, the cutting mechanism comprises a transverse rod, a sliding block and a blade, the transverse rod is arranged on the support and is parallel to the rotating shaft, an inverted-T-shaped sliding groove is formed in the top end of the transverse rod, and the sliding block is arranged in the inverted-T-shaped sliding groove. The sliding block is arranged in the sliding groove in a matched and sliding mode, a protruding block penetrating out of the sliding groove is arranged at the top end of the sliding block, the blade is arranged on the side wall, perpendicular to the extending direction of the sliding groove, of the protruding block, and a push block is arranged at the top end of the protruding block. The position, needing to be cut, of the protective film is placed on the transverse rod, the push block is pushed at the moment, the blade cuts the protective film along the sliding groove through the sliding block, the blade is prevented from scratching a product, meanwhile, the edge of the cut protective film is smooth, burrs are avoided, and use of the protective film is not affected.

Description

Technical Field

[0001] The utility model relates to the technical field of film cutting, and more specifically, to a cutting fixture for a protective film. Background Art

[0002] When manufacturers produce some products with high requirements for appearance, it is necessary to first stick a protective film on the surface of the products to prevent the appearance of the products from being affected in subsequent processes such as packing and transportation. Currently, the method of cutting the protective film when sticking it on the products is as follows: The operator pulls out enough protective film from the protective film roll, sticks it on the product, and then uses a blade to cut off the excess protective film.

[0003] However, it is very inconvenient for the operator to cut the protective film with a blade. Not only is it easy to scratch the product, resulting in defects on the appearance of the product, but also the cutting angles of the operator are not very consistent. The edges of the cut protective film are not flat and there will be burrs, which affects the use of the protective film. Summary of the Utility Model

[0004] In view of the above defects of the prior art, a cutting fixture for a protective film is provided.

[0005] The technical solution adopted by the utility model to solve its technical problems is: A cutting fixture for a protective film, including a bracket. Opposite sides of the bracket are correspondingly provided with a rotating shaft and a cutting mechanism. The cutting mechanism includes a cross bar, a slider and a blade. The cross bar is arranged on the bracket and is parallel to the rotating shaft. A reverse T-shaped chute is arranged at the top end of the cross bar. The slider is slidably matched in the chute. A convex block passing through the chute is arranged at the top end of the slider. The blade is arranged on the side wall of the convex block perpendicular to the extending direction of the chute. A push block is arranged at the top end of the convex block.

[0006] Preferably, there are two blades, and the two blades are correspondingly arranged on two side walls of the convex block perpendicular to the extending direction of the chute.

[0007] Preferably, a vertical mounting plate is arranged on one side of the bracket away from the rotating shaft. A groove body is arranged at the bottom end of the cross bar. The groove body extends along the length direction of the chute. The top end of the mounting plate is matched and inserted into the groove body.

[0008] Preferably, the rotating shaft is higher than the cross bar. A tensioning shaft is arranged between the rotating shaft and the cutting mechanism on the bracket. The tensioning shaft is higher than the cross bar and lower than the rotating shaft.

[0009] Preferably, limiting blocks are arranged at both ends of the cross bar in the extending direction of the chute.

[0010] Preferably, an arc-shaped notch is arranged at the top end of the push block. Anti-slip stripes are arranged on the bottom surface of the push block at the notch.

[0011] Preferably, a bottom plate is provided at the bottom end of the bracket, and support feet are provided at the bottom end of the bottom plate.

[0012] The beneficial effects of the present utility model are as follows: The protective film reel is sleeved on the rotating shaft. After the protective film on the protective film reel is pulled out and pasted on the product, the position where the protective film needs to be cut is placed on the cross bar. At this time, the push block is pushed, so that the blade cuts the protective film along the sliding groove through the slider. This not only avoids scratching the product by the blade, but also makes the edge of the cut protective film flat without burrs, which does not affect the use of the protective film. Description of the Drawings

[0013] Figure 1 is the overall structural schematic diagram of the embodiment of the present utility model;

[0014] Figure 2 is the embodiment of the present utility model Figure 1 The enlarged schematic diagram of area A in;

[0015] Figure 3 is the sectional structural schematic diagram of the cutting mechanism of the embodiment of the present utility model;

[0016] Figure 4 is the structural schematic diagram of the slider, convex block, blade and push block of the embodiment of the present utility model.

[0017] Reference numerals: 1 bracket, 2 rotating shaft, 3 cross bar, 30 sliding groove, 31 groove body, 32 mounting plate, 4 slider, 40 convex block, 5 blade, 6 push block, 60 anti-slip stripes, 7 tensioning shaft, 8 limiting block, 9 bottom plate, 90 support feet. Detailed Embodiments

[0018] In order to make the purpose, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below. Obviously, the described embodiments are part of the embodiments of the present utility model, rather than all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model. In addition, the directional terms mentioned in the present utility model, for example, "up", "down", "front", "rear", "left", "right", "inside", "outside", etc., are only references to the directions of the attached drawings. The directional terms used are for better and clearer description and understanding of the present utility model, rather than indicating or implying the directions that the present utility model must have. Therefore, it cannot be understood as a limitation to the present utility model.

[0019] The embodiment of the present utility model is as Figures 1 to 4As shown in the figure, a protective film cutting fixture includes a bracket 1, which is composed of two vertical bracket plates arranged at intervals in the left-right direction and extending in the front-back direction. On the opposite sides of the bracket 1, a rotating shaft 2 and a cutting mechanism are correspondingly arranged. Both the rotating shaft 2 and the cutting mechanism are installed between the two bracket plates. The rotating shaft 2 is located at the rear side of the two bracket plates, and the left and right ends of the rotating shaft 2 are correspondingly connected to the two bracket plates. The cutting mechanism is located at the front side of the two bracket plates. The cutting mechanism includes a cross bar 3, a slider 4, and a blade 5. The cross bar 3 is arranged on the bracket 1 and parallel to the rotating shaft 2. The left and right ends of the cross bar 3 are correspondingly connected to the two bracket plates. A T-shaped chute 30 is arranged at the top of the cross bar 3 and extends in the left-right direction. On the side of the bracket 1 away from the rotating shaft 2, a vertical mounting plate 32 is arranged at the lower front position between the two bracket plates. A groove 31 is arranged at the bottom of the cross bar 3, and the groove 31 extends along the length direction of the chute 60, that is, the groove 31 extends in the left-right direction. The top of the mounting plate 32 is inserted into the groove 31 in a matching manner. The slider 4 is slidably arranged in the chute 30 in a matching manner. A convex block 40 passing through the chute 30 is arranged at the top of the slider 4. The blade 5 is arranged on the side wall of the convex block 40 perpendicular to the extending direction of the chute 60. A push block 6 is arranged at the top of the convex block 40.

[0020] After sleeving the protective film reel on the rotating shaft 2, pulling out the protective film on the protective film reel and pasting it on the product, the position of the protective film to be cut is placed on the cross bar 3. At this time, push the push block 6 to make the blade 5 cut the protective film along the chute 60 through the slider 4. This not only avoids scratching the product with the blade, but also makes the edge of the cut protective film flat without burrs, which does not affect the use of the protective film.

[0021] Further improvement, as Figure 3 and Figure 4 As shown in the figure, there are two blades 5, and the two blades 5 are correspondingly arranged on the two side walls of the convex block 40 perpendicular to the extending direction of the chute 30, that is, the two blades 5 are correspondingly arranged on the left and right side walls of the convex block 40. The cutting edge of the blade 5 is arc-shaped. With the two blades 5, the protective film can be cut by sliding the blade 5 left and right.

[0022] Further improvement, as Figure 1 As shown in the figure, the rotating shaft 2 is higher than the cross bar 3; a tensioning shaft 7 is arranged between the rotating shaft 2 and the cutting mechanism on the bracket 1. The tensioning shaft 7 is higher than the cross bar 3 and lower than the rotating shaft 2. The left and right ends of the tensioning shaft 7 are correspondingly connected to the two bracket plates. The protective film to be cut is tensioned through the tensioning shaft 7, which is convenient for cutting the protective film.

[0023] Further improvement, as Figure 1 and Figure 2As shown in the figure, limiting blocks 8 are provided at both ends of the cross bar 3 in the extending direction of the sliding groove 30, that is, limiting blocks 8 are provided at the left and right ends of the cross bar 3 in the sliding groove 30, and the slider 4 is prevented from sliding out of the sliding groove 30 by the limiting blocks 8.

[0024] Further improvement, as Figure 2 and Figure 4 shown in the figure, an arc-shaped notch is provided at the top end of the pushing block 6, and anti-slip stripes 60 are provided on the bottom surface of the notch of the pushing block 6, which is convenient for pushing the pushing block 6 and thus facilitating the cutting of the protective film.

[0025] Further improvement, as Figure 1 shown in the figure, a bottom plate 9 is provided at the bottom end of the bracket 1, and support feet 90 are provided at the bottom end of the bottom plate 9. There are four support feet 90, and the four support feet 90 are correspondingly arranged at the four corners of the bottom plate 9, which is convenient for placing this fixture. Through holes are provided on the bottom plate 9, and the through holes reduce the weight of this fixture and facilitate the movement and transportation of this fixture.

[0026] It should be understood that for those of ordinary skill in the art, improvements or changes can be made according to the above description, and all such improvements and changes should fall within the protection scope of the appended claims of this utility model.

Claims

1. A protective film cutting fixture, comprising a bracket, characterized in that, Rotating shafts and cutting mechanisms are correspondingly arranged on opposite sides of the bracket; the cutting mechanism includes a cross bar, a slider and a blade; the cross bar is arranged on the bracket and is parallel to the rotating shaft; an inverted T-shaped chute is arranged at the top end of the cross bar; the slider is slidably matched in the chute; a convex block passing through the chute is arranged at the top end of the slider; the blade is arranged on the side wall of the convex block perpendicular to the extending direction of the chute; a push block is arranged at the top end of the convex block.

2. The cutting fixture for the protective film according to claim 1, wherein There are two blades; the two blades are correspondingly arranged on two side walls of the convex block perpendicular to the extending direction of the chute.

3. The cutting fixture for a protective film according to claim 1, characterized in that, A vertical mounting plate is arranged on the side of the bracket far from the rotating shaft; a groove body is arranged at the bottom end of the cross bar; the groove body extends along the length direction of the chute; the top end of the mounting plate is matched and inserted into the groove body.

4. A protective film cutting fixture according to claim 1, characterized in that, The rotating shaft is higher than the cross bar; a tensioning shaft is arranged between the rotating shaft and the cutting mechanism on the bracket; the tensioning shaft is higher than the cross bar and lower than the rotating shaft.

5. The cutting fixture for a protective film according to claim 1, wherein Limit blocks are arranged at both ends of the cross bar in the extending direction of the chute.

6. The cutting fixture for a protective film according to claim 1, wherein An arc-shaped notch is arranged at the top end of the push block; anti-slip stripes are arranged on the bottom surface of the notch of the push block.

7. A protective film cutting fixture according to claim 1, characterized in that, A bottom plate is arranged at the bottom end of the bracket; support feet are arranged at the bottom end of the bottom plate.

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