Gauze frame

Abstract

The simple configuration improves the ease of adjusting tension. [Solution] The device comprises a reference holding portion 10 fixed at a predetermined side of a rectangle, an opposing holding portion 20 positioned opposite the reference holding portion 10 and movable to approach or move away from the reference holding portion 10, and a pair of adjacent holding portions 30, 40 positioned adjacent to both ends of the reference holding portion 10, movable in a direction perpendicular to the direction of movement of the opposing holding portion 20, and slidably mounted along the direction of movement of the opposing holding portion 20.

Description

Technical Field

[0001] The present invention relates to a yarn frame with a simple structure that improves the workability of adjusting tension.

Background Art

[0002] Generally, a thermal yarn is attached to a yarn frame by applying a predetermined yarn tension, and while relatively moving the attached yarn frame and a thermal head, a screen plate is manufactured by heating and perforating the yarn with the thermal head.

[0003] At this time, the thermal yarn needs to be uniformly stretched on the yarn frame with high tension.

[0004] Patent Document 1 discloses a technique related to a yarn tensioning frame in which a main body frame is formed in a rectangle, and for each of the four sides of the rectangle, an edge holding body that holds the peripheral portion of the yarn in the stretching groove of the main body frame is pulled to the outer peripheral side by a bolt to adjust the tension, thereby stretching the yarn.

Prior Art Documents

Patent Documents

[0005]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0006] However, in the technique of Patent Document 1, for each of the four sides of the rectangle, the yarn is stretched by adjusting the tension, so the work of adjusting the tension is time-consuming, and there is a problem that the number of parts for adjustment increases and the manufacturing cost rises.

[0007] The present invention has been made in view of the above problems, and provides a yarn frame with a simple structure that improves the workability of adjusting tension.

Means for Solving the Problems

[0008] To achieve the above objective, the first feature of the mesh frame according to the present invention is: A mesh frame that secures the mesh with rectangularly arranged holding parts, The aforementioned retaining part is A reference holding part fixed at a predetermined side position of the rectangle, An opposing holding portion is provided opposite the reference holding portion and is movable so as to approach or move away from the reference holding portion, A pair of adjacent holding portions are provided adjacent to both ends of the reference holding portion, movable in a direction perpendicular to the direction of movement of the opposing holding portion, and slidably movable along the direction of movement of the opposing holding portion, It is characterized by having the following features. [Effects of the Invention]

[0009] The mesh frame according to the present invention has a simple structure and improves the workability of adjusting the tension. [Brief explanation of the drawing]

[0010] [Figure 1] This is an overall diagram of a mesh frame, which is one embodiment of the present invention. [Figure 2] This is a magnified view of a mesh frame, which is one embodiment of the present invention. [Figure 3] This is a magnified view of a mesh frame, which is one embodiment of the present invention. [Figure 4] This is an explanatory diagram illustrating the adjustment of the left-right tension of a heat-sensitive mesh attached to a mesh frame, which is one embodiment of the present invention. [Modes for carrying out the invention]

[0011] Embodiments of the present invention will be described below with reference to the drawings. Throughout the drawings, identical or equivalent parts and components are denoted by the same or equivalent reference numerals. However, it should be noted that the drawings are schematic and may differ from reality. Furthermore, there are parts where the dimensional relationships and proportions differ between drawings. Also, the embodiments shown below are illustrative examples of devices and the like for realizing the technical idea of ​​this invention, and the technical idea of ​​this invention is not limited to the arrangement of each component as described below. Various modifications can be made to the technical idea of ​​this invention within the scope of the claims.

[0012] Figure 1 is an overall diagram of the mesh frame 1, which is one embodiment of the present invention, and Figures 2 and 3 are enlarged partial views of the mesh frame 1, which is one embodiment of the present invention.

[0013] As shown in Figures 1 to 3, the main frame 50 of the mesh frame 1 is formed in a rectangular shape with a hollow opening inside, using a rigid and thermally conductive metal material such as aluminum. Each side of the main frame 50 is provided with a reference holding part 10 for stretching and positioning the heat-sensitive mesh, an opposing holding part 20, and a pair of adjacent holding parts 30 and 40.

[0014] Although not shown in the diagram, the heat-sensitive mesh is formed by weaving warp and weft threads to create a mesh with multiple meshes, onto which a heat-meltable film is attached with adhesive, creating a rectangular shape that corresponds to a sheet of paper such as A3 size.

[0015] Then, using the reference holding section 10, the opposing holding section 20, and a pair of adjacent holding sections 30 and 40, a predetermined tension is applied to the mesh frame 1 so that the heat-meltable film side of the thermal mesh faces the thermal head (not shown). The thermal head then selectively heats the mesh according to the image data, and a perforated image is created on the heat-meltable film of the thermal mesh by heat perforation.

[0016] In the diagrams shown in Figures 1 to 3, the reference holding part 10 is located on the right side of the rectangular main frame 50.

[0017] The reference holding part 10 includes a holding groove member 11, a flexible elastic foam member 12 fixed on the holding groove member 11, and a fixing part 13, and can fix the heat-sensitive yarn by sandwiching it between the flexible elastic foam member 12 and the fixing part 13.

[0018] The holding groove member 11 is fixed by four fixing bolts 14 provided at four locations.

[0019] The opposing holding part 20 is provided so as to be movable in the left-right direction so as to approach or separate from the reference holding part 10. The opposing holding part 20 includes a holding groove member 21, a flexible elastic foam member 22 placed on the holding groove member 21, and a fixing part 23, and can fix the heat-sensitive yarn by sandwiching it between the flexible elastic foam member 22 and the fixing part 23.

[0020] The holding groove member 21 is positioned and fixed by four fixing bolts 24 provided at four locations. That is, by tightening or loosening the four fixing bolts 24, the position of the holding groove member 21 in the left-right direction can be adjusted, and thereby the left-right tension of the heat-sensitive yarn attached to the yarn frame 1 can be adjusted.

[0021] A pair of adjacent holding parts 30 and 40 have the same configuration. In FIG. 1, the adjacent holding part 30 is provided adjacent to the reference holding part 10 at the position of the top side of the rectangular main body frame 50, and the adjacent holding part 40 is provided adjacent to the reference holding part 10 at the position of the bottom side of the rectangular main body frame 50. Here, the adjacent holding part 40 will be described as an example.

[0022] The adjacent holding part 40 is provided so as to be movable in a direction perpendicular to the moving direction of the opposing holding part 20 (the vertical direction), and is provided so as to be slidable along the moving direction (left-right direction) of the opposing holding part 20.

[0023] The adjacent holding portion 40 comprises a holding groove member 41, a flexible elastic foam member 42 placed on the holding groove member 41, and a fixing portion 43. The heat-sensitive mesh can be fixed by sandwiching it between the flexible elastic foam member 42 and the fixing portion 43.

[0024] The retaining groove member 41 is positioned and fixed by fixing bolts 44 provided in three locations. That is, by tightening or loosening the three fixing bolts 44, the position of the retaining groove member 21 in the left-right direction can be adjusted, thereby allowing the left-right tension (stress) of the heat-sensitive mesh mounted on the mesh frame 1 to be adjusted.

[0025] Furthermore, the side surface of the main frame 50 facing the ground is provided with plate-shaped guide ribs 46 that protrude in the direction of the ground and extend in the left-right direction.

[0026] A small hole, a guide hole 45, is provided on the side surface of the retaining groove member 41, which penetrates in the vertical direction and is longer than the length of the guide rib 46 in the left-right direction. The retaining groove member 41 is positioned so that the guide rib 46 passes through the guide hole 45, thereby allowing the retaining groove member 41 to slide freely in the left-right direction.

[0027] In the mesh frame 1, which is one embodiment of the present invention, the retaining groove member 11 of the reference retaining part 10 is fixed to the main frame 50 with fixing bolts, but the main frame 50 and the reference retaining part 10 may be integrally molded.

[0028] The procedure for stretching thermal mesh using mesh frame 1, which is one embodiment of the present invention, is as follows. (1) The heat-sensitive cloth is fixed to the reference holding part 10 on the right side of the main frame 50. (2) The heat-sensitive mesh is fixed in place by the opposing holding part 20 on the left side of the main frame 50. (3) Tighten the four fixing bolts 24 of the opposing holding part 20 to move the opposing holding part 20 to the left and apply light tension to the heat-sensitive mesh.

[0029] Figure 4 is an explanatory diagram illustrating the adjustment of the left-right tension of the heat-sensitive mesh attached to the mesh frame 1, which is one embodiment of the present invention.

[0030] As shown in Figure 4, when the four fixing bolts 24 of the opposing holding part 20 are tightened to move the opposing holding part 20 to the left and light tension is applied to the heat-sensitive mesh, the tension of the mesh in areas A1 and A2 on the heat-sensitive mesh may become higher than in other areas, resulting in uneven tension. Therefore, the tension is adjusted to be uniform by following the procedure below. (4) The heat-sensitive cloth is fixed in place by the adjacent holding section 30 on the top side of the main frame 50. (5) The heat-sensitive cloth is fixed to the adjacent holding portion 30 on the ground side of the main frame 50. (6) Loosen the three fixing bolts of the adjacent holding part 30, move the adjacent holding part 30 upwards and slide it to the left, and apply light tension to the heat-sensitive cloth. (7) Loosen the three fixing bolts 44 of the adjacent holding part 40, move the adjacent holding part 40 toward the ground, and slide it to the left, applying light tension to the heat-sensitive mesh. (8) Tighten the 11 fixing bolts in order to set the tension of the heat-sensitive mesh to the desired value.

[0031] Thus, since the adjacent holding portion 40 is provided so as to be slidable along the direction of movement (left-right direction) of the opposing holding portion 20, it is possible to release the state in which the tension was partially high in areas A1 and A2 on the thermal mesh and to achieve uniform tension in the left-right direction on the thermal mesh.

[0032] Furthermore, since the adjacent holding portion 40 is provided to be movable in a direction perpendicular to the direction of movement of the opposing holding portion 20 (the vertical direction), uniform tension in the vertical direction on the heat-sensitive cloth can be achieved.

[0033] (Note) This application discloses the following invention:

[0034] (Note 1) A mesh frame that secures the mesh with rectangularly arranged holding parts, The aforementioned retaining part is A reference holding part fixed at a predetermined side position of the rectangle, An opposing holding portion is provided opposite the reference holding portion and is movable so as to approach or move away from the reference holding portion, A pair of adjacent holding portions are provided adjacent to both ends of the reference holding portion, movable in a direction perpendicular to the direction of movement of the opposing holding portion, and slidably movable along the direction of movement of the opposing holding portion, A mesh frame characterized by having the following features.

[0035] This allows tension adjustment using the opposing holding section and a pair of adjacent holding sections, thereby reducing and simplifying the process of stretching the mesh. Furthermore, the pair of adjacent holding sections are provided to be movable in a direction perpendicular to the direction of movement of the opposing holding section, and also to be able to slide along the direction of movement of the opposing holding section, allowing the heat-sensitive mesh to be stretched with uniform tension with simple work. [Explanation of Symbols]

[0036] 1. Gauze frame 10 Reference holding part 11 Retaining groove member 12 Flexible elastic foam material 13 Fixed part 14 Fixing bolts 20 Opposing holding part 21 Retaining groove member 22 Flexible and elastic foam material 23 Fixed part 24 Fixing bolts 30 Adjacent holding part 40 Adjacent holding section 41 Retaining groove member 42 Flexible elastic foam material 43 Fixed part 44 Fixing bolts 45 guide holes 46 Guide Ribs 50 Main frame

Claims

[Claim 1] A mesh frame that secures the mesh with rectangularly arranged holding parts, The aforementioned retaining part is A reference holding part fixed at a predetermined side position of the rectangle, An opposing holding portion is provided opposite the reference holding portion and is movable so as to approach or move away from the reference holding portion, A pair of adjacent holding portions are provided adjacent to both ends of the reference holding portion, movable in a direction perpendicular to the direction of movement of the opposing holding portion, and slidably movable along the direction of movement of the opposing holding portion, A mesh frame characterized by having the following features.

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