Glass fiber gridding cloth circular cutting tool with good supporting performance

Abstract

A connecting flange is arranged on the periphery of the top of a cylindrical cutter body, a circular groove is formed in the position, located on the inner side of the connecting flange, of the upper surface of the cylindrical cutter body, an air inlet connector is arranged on one side of the cylindrical cutter body, and an air outlet connector is arranged on the other side of the cylindrical cutter body. A limiting flange is arranged on the periphery of the upper surface of the inner cylinder, the inner cylinder is inserted into the cylindrical cutter body, a plurality of upper end supporting frames and lower end supporting frames are arranged in the cylindrical cutter body, gaps are reserved between the upper end supporting frames and the lower end supporting frames, through holes are formed in the gaps, and the through holes correspond to the air inlet connectors in position. The cutting tool is reasonable in structure, through supporting of the inner cylinder, the upper end supporting frame and the lower end supporting frame, the supporting strength in the cylindrical tool body is greatly improved, therefore, deformation of the cylindrical tool body is avoided, and the service life of the cutting tool is greatly prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of glass fiber mesh cloth cutting tools, in particular to a glass fiber mesh cloth circular cutting tool with good support performance. Background Art

[0002] Glass fiber mesh cloth is based on glass fiber woven fabric, which is soaked in high polymer anti-emulsion coating. It has good alkali resistance, flexibility and high tensile strength in warp and weft directions, and can be widely used in building internal and external wall insulation, waterproofing, fire prevention, crack resistance, etc. Glass fiber mesh cloth is mainly alkali-resistant glass fiber mesh cloth. It is made of medium-alkali-free glass fiber yarn (the main component is silicate, with good chemical stability) twisted and woven with a special organization structure - gauze organization, and then treated with high temperature heat setting such as anti-alkali solution and reinforcing agent.

[0003] Glass fiber mesh cloth has a wide range of uses. For example, a disc-shaped glass fiber mesh cloth is compounded in a grinding knife disc, and the disc-shaped glass fiber mesh cloth is mostly cut by a circular cutting tool. At present, the interior of the circular cutting tool for glass fiber mesh cloth is generally a hollow structure. Due to insufficient support force, the tool is deformed due to pressure during the cutting process, resulting in insufficient roundness of the glass fiber mesh cloth. Therefore, an improved technology is urgently needed to solve this problem existing in the prior art. Utility Model Content

[0004] The purpose of the utility model is to provide a glass fiber mesh cloth circular cutting tool with good support. An inner cylinder is arranged inside the cylindrical tool body, and an upper support frame and a lower support frame are arranged inside the inner cylinder. Through the support of the inner cylinder, the upper support frame and the lower support frame, the support strength inside the cylindrical tool body is greatly improved, thereby avoiding deformation of the cylindrical tool body, greatly improving the service life of the cutting tool, and solving the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a circular cutting tool for glass fiber mesh cloth with good support, comprising a cylindrical tool body and an internal reinforcement;

[0006] A connecting flange is arranged on the periphery of the top of the cylindrical tool body, a circular groove is arranged on the upper surface of the cylindrical tool body and located inside the connecting flange, and an air inlet interface is arranged on one side of the cylindrical tool body;

[0007] The internal reinforcement comprises an inner cylinder, an upper support frame and a lower support frame, a limit flange is arranged on the periphery of the upper surface of the inner cylinder, the inner cylinder is inserted into the inside of the cylindrical tool body, the limit flange is arranged in the circular groove of the connecting flange, a plurality of upper support frames and lower support frames are arranged inside the cylindrical tool body, a gap is left between the upper support frame and the lower support frame, and a through hole is opened at the gap, and the through hole corresponds to the position of the air inlet interface;

[0008] The upper support frame and the lower support frame have the same structure and are both composed of a plurality of plates, the inner sides of the plates are connected to each other and the connection is located at the axis core position of the inner cylinder.

[0009] Preferably, the utility model provides a glass fiber mesh cloth circular cutting tool with good support, wherein a cutting edge is provided at the bottom of the cylindrical tool body.

[0010] Preferably, the utility model provides a glass fiber mesh cloth circular cutting tool with good support, wherein the connecting flange is provided with a positioning groove on one side of the circular groove, and a positioning protrusion is provided on one side of the limiting flange, and the positioning protrusion cooperates with the positioning groove.

[0011] Preferably, the utility model provides a glass fiber mesh cloth circular cutting tool with good support, wherein the connecting flange is annular and evenly provided with a plurality of connecting holes.

[0012] Preferably, the utility model provides a glass fiber mesh cloth circular cutting tool with good support, wherein a plurality of reinforcing plates are arranged at the connection between the connecting flange and the cylindrical tool body.

[0013] Preferably, the utility model provides a glass fiber mesh cloth circular cutting tool with good support, wherein the upper surface of the limiting flange is flush with the upper surface of the connecting flange.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] An inner cylinder is arranged inside the cylindrical tool body, and an upper support frame and a lower support frame are arranged inside the inner cylinder. Through the support of the inner cylinder, the upper support frame and the lower support frame, the supporting strength inside the cylindrical tool body is greatly improved, thereby avoiding deformation and greatly improving the service life of the cutting tool. The inner cylinder is directly inserted into the cylindrical tool body. When the cutting edge at the bottom of the cylindrical tool body is deformed, the inner cylinder can be directly pulled out and reused for a new cylindrical tool body, saving costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the cross-sectional structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the cross-sectional structure of the cylindrical tool body;

[0018] Figure 3 This is a schematic diagram of the appearance structure of the utility model;

[0019] Figure 4 It is a schematic diagram of the structure of the cylindrical tool body from a top view;

[0020] Figure 5 It is a schematic diagram of the top view structure of the upper support frame (the lower support frame has the same structure as the upper support frame).

[0021] In the figure: cylindrical tool body 1, connecting flange 2, circular groove 3, air inlet interface 4, inner cylinder 5, upper end support frame 6, lower end support frame 7, limit flange 8, through hole 9, knife edge 10, positioning groove 11, positioning protrusion 12, connecting hole 13, reinforcement plate 14. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solution of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model;

[0023] It should be noted that, in the description of the present invention, the terms "inside", "outside", "upper", "lower", "both sides", "one end", "the other end", "left" and "right" etc. indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0024] See also Figure 1-5 , the utility model provides a technical solution: a circular cutting tool for glass fiber mesh cloth with good support, comprising a cylindrical tool body 1 and an internal reinforcement;

[0025] A connecting flange 2 is arranged on the periphery of the top of the cylindrical tool body 1, and a plurality of reinforcing plates 14 are arranged at the connection between the connecting flange 2 and the main body of the cylindrical tool body 1 to ensure the structural strength of the connecting flange 2. The connecting flange 2 is evenly provided with a plurality of connecting holes 13 in a ring shape to achieve connection with the head part of the press, and a circular groove 3 is arranged on the upper surface of the cylindrical tool body 1 and located on the inner side of the connecting flange 2, an air inlet interface 4 is arranged on one side of the cylindrical tool body 1, and a knife edge 10 is arranged at the bottom of the cylindrical tool body 1 to achieve cutting of the glass fiber mesh cloth;

[0026] The internal reinforcement comprises an inner cylinder 5, an upper support frame 6 and a lower support frame 7. A limiting flange 8 is arranged on the periphery of the upper surface of the inner cylinder 5. The inner cylinder 5 is inserted into the inside of the cylindrical tool body 1. The limiting flange 8 is arranged in the circular groove 3 of the connecting flange 2. The connecting flange 2 is provided with a positioning groove 11 on one side of the circular groove 3. A positioning protrusion 12 is arranged on one side of the limiting flange 8. The positioning protrusion 12 cooperates with the positioning groove 11. Through the cooperation of the positioning protrusion 12 and the positioning groove 11, it is ensured that the inner cylinder 5 is inserted into the cylinder. The rear through hole 9 of the cylindrical tool body 1 corresponds to the air inlet interface 4, so as to realize smooth air intake. The upper surface of the limit flange 8 is flush with the upper surface of the connecting flange 2. On the one hand, it ensures that the connecting flange can be smoothly connected to the head part of the press, and on the other hand, it ensures that the inner cylinder 5 will not loosen up and down. A plurality of upper support frames 6 and lower support frames 7 are arranged inside the cylindrical tool body 1. A gap is left between the upper support frame 6 and the lower support frame 7, and a through hole 9 is opened at the gap, and the through hole 9 corresponds to the position of the air inlet interface 4;

[0027] The upper support frame 6 and the lower support frame 7 have the same structure and are both composed of a plurality of plates, the inner sides of which are connected to each other and the connection is located at the axial core position of the inner cylinder 5 .

[0028] Usage method and principle: First, insert the upper support frame 6 into the inner cylinder 5, and spot weld the outer end of the plate body of the upper support frame 6 to the inner wall of the inner cylinder 5, then insert the lower support frame 7 into the inner cylinder 5 from the lower end, and spot weld the outer end of the plate body of the lower support frame 7 to the inner wall of the inner cylinder 5, then insert the inner cylinder 5 into the cylindrical tool body 1, and match the positioning protrusion 12 of the limit flange 8 with the positioning groove 11 of the circular groove 3 opened by the connecting flange 2. At this time, the through hole 9 of the inner cylinder 5 corresponds to the air inlet interface 4 of the cylindrical tool body 1, thereby completing the assembly of the cutting tool. Before use, insert the inner cylinder 5 with the upper support frame 6 and the lower support frame 7 from top to bottom into the cylindrical tool body 1, and insert the limit flange 8 into the circular groove 3 of the connecting flange 2, and insert the positioning protrusion 12 into the positioning groove 11, then connect the connecting flange 2 of the cylindrical tool body 1 to the press head, and the air inlet interface 4 is connected to the air pump through the air pipe. When in use, the glass fiber mesh cloth is pulled through the cutting tool, and the cutting tool is driven downward by the press, so that the blade 10 at the bottom of the cylindrical tool body 1 cuts the glass fiber mesh cloth to obtain a circular glass fiber mesh cloth. After the cutting is completed, air is blown into the inner cylinder 5 through the air inlet interface 4, and the circular glass fiber mesh cloth is blown off by air pressure. The utility model has a reasonable structure, and the inner cylinder 5 is provided inside the cylindrical tool body 1, and the upper support frame 6 and the lower support frame 7 are provided inside the inner cylinder 5. Through the support of the inner cylinder 5, the upper support frame 6 and the lower support frame 7, the support strength inside the cylindrical tool body 1 is greatly improved, thereby avoiding the deformation of the cylindrical tool body 1, and greatly improving the service life of the cutting tool, and the inner cylinder 5 is directly inserted into the cylindrical tool body 1. When the blade 10 at the bottom of the cylindrical tool body 1 is deformed, the inner cylinder 5 can be directly drawn out and used for a new cylindrical tool body 1, saving costs.

[0029] The matters not described in detail in the present invention are all known technologies to those skilled in the art.

[0030] Finally, it should be noted that the above specific implementation methods are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model is described in detail with reference to the embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified and replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A circular cutting tool for glass fiber mesh cloth with good support, characterized by: It comprises a cylindrical tool body (1) and an internal reinforcement; A connecting flange (2) is arranged on the periphery of the top of the cylindrical tool body (1), a circular groove (3) is provided on the upper surface of the cylindrical tool body (1) and located inside the connecting flange (2), and an air inlet interface (4) is arranged on one side of the cylindrical tool body (1); The internal reinforcement comprises an inner cylinder (5), an upper support frame (6) and a lower support frame (7); a limiting flange (8) is arranged on the periphery of the upper surface of the inner cylinder (5); the inner cylinder (5) is inserted into the inside of the cylindrical tool body (1); the limiting flange (8) is arranged in the circular groove (3) of the connecting flange (2); a plurality of upper support frames (6) and lower support frames (7) are arranged inside the cylindrical tool body (1); a gap is left between the upper support frame (6) and the lower support frame (7); a through hole (9) is opened at the gap; the through hole (9) corresponds to the position of the air inlet interface (4); The upper support frame (6) and the lower support frame (7) have the same structure and are both composed of a plurality of plate bodies, the inner sides of the plate bodies are connected to each other and the connection point is located at the axial core position of the inner cylinder (5).

2. A circular cutting tool for glass fiber mesh cloth with good support according to claim 1, characterized in that: The bottom of the cylindrical tool body (1) is provided with a cutting edge (10).

3. A circular cutting tool for glass fiber mesh cloth with good support according to claim 1, characterized in that: The connecting flange (2) is provided with a positioning groove (11) on one side of the circular groove (3), and the limiting flange (8) is provided with a positioning protrusion (12) on one side, and the positioning protrusion (12) and the positioning groove (11) cooperate with each other.

4. A circular cutting tool for glass fiber mesh cloth with good support according to claim 1, characterized in that: The connecting flange (2) is annular and evenly provided with a plurality of connecting holes (13).

5. A circular cutting tool for glass fiber mesh cloth with good support according to claim 1, characterized in that: A plurality of reinforcing plates (14) are provided at the connection between the connecting flange (2) and the cylindrical tool body (1).

6. A circular cutting tool for glass fiber mesh cloth with good support according to claim 1, characterized in that: The upper surface of the limiting flange (8) is flush with the upper surface of the connecting flange (2).

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