Tool capable of flatly cutting large-specification materials

Abstract

The tool comprises a first clamp, a second clamp and two third clamps, the first clamp, the second clamp and the third clamps are all of an L-shaped structure, connecting parts are arranged at the bending positions of the first clamp and the second clamp, through holes, guide holes and positioning pins are arranged on the connecting parts, and the through holes are communicated with the guide holes. The two connecting parts are positioned in a matched mode through the guide holes and the positioning pins, penetrate through the through holes to be matched with the nuts through the first connecting bolts and penetrate through the connecting blocks through the second connecting bolts to connect the first clamp, the second clamp and the third clamp, a rectangular clamping tool is formed, and a cutting groove is formed in the rectangular clamping tool; each edge of the rectangular clamping tool is provided with two clamping bolts, and the two clamping bolts on each edge are located on the two sides of the cutting groove. According to the cutting device, the two ends of a graphite material to be cut of a large specification can be fixed, the graphite material can be regarded as a whole before and after being cut, and the situation that the graphite material cannot be cut flatly due to the fact that the cutting position deviates due to stress is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of cutting processing devices, in particular to a tool capable of flat-cutting large-size materials. Background Art

[0002] Graphite is a crystalline carbon. Hexagonal system, iron-ink color to dark gray. Density 2.25 g / cm3, hardness 1.5, melting point 3652℃, boiling point 4827℃. Soft, greasy, conductive. Chemically inactive, corrosion-resistant, not easy to react with acids, alkalis, etc. When heated in air or oxygen, it can burn and produce carbon dioxide. Strong oxidants will oxidize it into organic acids. It is used as an anti-friction agent and lubricant to make crucibles, electrodes, dry batteries, pencil leads. High-purity graphite can be used as a neutron moderator in nuclear reactors. It is often called carbon or black lead because it was mistaken for lead in the past.

[0003] Graphite raw materials are generally made into rods or columns, and then processed into other products. The graphite rods or graphite columns need to be cut and processed, and then the next step is to process them into other products such as graphite crucibles, graphite troughs, etc. When cutting existing large-sized graphite rods or graphite columns, the cutting position is prone to offset due to clamping problems, resulting in uneven cutting. Generally, it is necessary to control it by increasing the processing allowance to avoid the blank failing to meet the finishing requirements. However, increasing the processing allowance will lead to waste of raw materials. In order to solve the above problem, the utility model provides a solution. Utility Model Content

[0004] The utility model aims to provide a tool capable of flat-cutting large-size materials.

[0005] The above technical objectives of the utility model are achieved through the following technical solutions:

[0006] A tool capable of flat cutting large-size materials comprises a clamp 1, a clamp 2 and two clamps 3, wherein the clamp 1, the clamp 2 and the clamp 3 are all L-shaped structures, and a connecting part is provided at the bending position of the clamp 1 and the clamp 2, and a through hole, a guide hole and a positioning pin are provided on the connecting part, and the two connecting parts are positioned by cooperating with the guide hole and the positioning pin, and a connecting bolt 1 passes through the through hole and cooperates with a nut to fix the clamp 1 and the clamp 2 side by side into one body, and a cutting gap is formed between the connecting feet connecting the clamp 1 and the clamp 2 and the two clamps 3, and the clamp 1 and the clamp 2 are connected. The connecting feet at one end are hinged to the connecting feet at one ends of the two clamps three through hinges, and the two connecting feet at the other ends of the two clamps three are provided with connecting blocks. The other ends of clamp one and clamp two are also provided with connecting blocks. The connecting block is provided with a through hole for the connecting bolt two to pass through. The connecting bolt two passes through the connecting block to connect clamp one, clamp two and clamp three to form a rectangular clamping tool. A cutting groove is formed on the rectangular clamping tool. Two clamping bolts are provided on each side of the rectangular clamping tool, and the two clamping bolts on each side are located on both sides of the cutting groove.

[0007] Furthermore, a clamping block is provided on each of the opposite sides of the two connecting blocks, and a ball that can roll relative to the clamping block is provided on the inner side of each clamping block.

[0008] Furthermore, a gasket is provided at the clamping end of each clamping bolt.

[0009] Furthermore, the number of the guide holes is two, and the number of the positioning pins is correspondingly two.

[0010] Furthermore, a pin hole for inserting a cotter pin is provided at the end of the connecting bolt 1.

[0011] In summary, the utility model has the following beneficial effects: the utility model can fix the two ends of the large-sized graphite material to be cut, and the graphite material can be regarded as a whole before and after cutting, and will not be offset due to the force at the cutting position, resulting in the situation that it cannot be cut flat. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a side view of the utility model;

[0013] Figure 2 This is a schematic diagram of the structure of the utility model for clamping a graphite rod;

[0014] Figure 3 This is a schematic diagram of the structure of the utility model for clamping a graphite column;

[0015] Figure 4 It is a structural diagram of the connecting part.

[0016] In the figure, 1, clamp one; 2, clamp two; 3, connecting part; 4, connecting bolt one; 5, clamping bolt; 6, connecting block; 7, connecting bolt two; 8, clamping block; 9, ball bearing; 10, workpiece to be processed; 11, guide hole; 12, clamp three; 13, hinge; 14, graphite rod; 15, graphite column; 16, gasket; 17, positioning pin; 18, nut; 19, pin hole. DETAILED DESCRIPTION

[0017] The utility model is further described in detail below in conjunction with the accompanying drawings, and the technical solutions in the embodiments of the utility model are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. 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.

[0018] like Figure 1-4 As shown, a tool for flat cutting of large-sized materials comprises a clamp 1, a clamp 2 and two clamps 3 12, wherein the clamp 1, the clamp 2 and the clamp 3 12 are all L-shaped structures, and a connecting portion 3 is provided at the bending position of the clamp 1 and the clamp 2, and a through hole, a guide hole 11 and a positioning pin 17 are provided on the connecting portion 3. The two connecting portions 3 are positioned by the guide hole 11 and the positioning pin 17, and the connecting bolt 14 passes through the through hole and cooperates with the nut 18 to fix the clamp 1 and the clamp 2 side by side into one body, and a cutting gap is formed between the connecting feet connecting the clamp 1 and the clamp 2 and the two clamps 3 12, and the clamp 1 The connecting feet at one end of the clamp 1 and the clamp 2 are respectively hinged to the connecting feet at one end of the two clamps 3 12 through hinges 13, and the two connecting feet at the other ends of the two clamps 3 12 are provided with connecting blocks 6. The other ends of the clamps 1 and 2 are also provided with connecting blocks 6, and the connecting blocks 6 are provided with through holes for the connecting bolts 2 7 to pass through. The connecting bolts 2 7 pass through the connecting blocks 6 to connect the clamps 1, 2 and 3 to form a rectangular clamping fixture, and a cutting groove is formed on the rectangular clamping fixture. Two clamping bolts 5 are respectively provided on each side of the rectangular clamping fixture, and the two clamping bolts 5 on each side are located on both sides of the cutting groove. Figure 1-Figure 3 As shown, the present application can perform clamping cutting on a round graphite rod 14 or a square graphite column 15 .

[0019] Further, such as Figure 1 As shown, a clamping block 8 is provided on each opposite side of the two connecting blocks 6, and a ball 9 that can roll relative to the clamping block 8 is provided on the inner side of each clamping block 8. The balls 9 on the two clamping blocks 8 can play a positioning role on both sides of the cutting blade. Under normal circumstances, the balls 9 do not contact the cutting blade, and only contact it when the blade is offset.

[0020] Furthermore, each clamping end of the clamping bolt 5 is provided with a gasket 16, which can effectively reduce the clamping marks produced by the clamping bolt 5 on the surface of the workpiece 10 to be processed. The gasket 16 can be selected according to the shape of the outer surface of the workpiece 10 to be processed, such as arc or straight plate.

[0021] Further, such as Figure 2 or Figure 3 As shown, the number of the guide holes 11 is two, and the number of the positioning pins 17 is correspondingly two.

[0022] Furthermore, a pin hole 19 for inserting a cotter pin is provided at the end of the connecting bolt 1 4 , and by inserting the cotter pin into the pin hole 19 , the nut 18 can be prevented from falling off, so that the clamp 1 1 and the clamp 2 2 can be kept as a whole.

[0023] Working principle: When clamping, place clamp 1 and clamp 2 as Figure 1 As shown in the figure, the clamp three 12 is fixedly installed as a whole, and then the clamp three 12 is fixedly installed as a whole Figure 2 Or as shown in 3, a clamping fixture is fixedly installed with clamp 1 and clamp 2 to form a rectangle, and then the rectangular clamping fixture is put on the workpiece 10 to be processed, moved to the position to be cut, and the clamping bolts of the clamping fixture are adjusted to clamp and fix the workpiece 10 on both sides of the cutting position, and then the cutting device is started to cut the workpiece 10 along the cutting groove. After cutting, the clamping fixture connects the workpiece 10 to be processed into one, so as to avoid the displacement of the two ends of the cut due to force after cutting, which leads to uneven incision. After the cutting is completed, the clamping fixture is removed, the rear end cutting piece is cancelled, and the above operation is repeated to perform the next cutting.

[0024] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed. However, as long as the modifications are within the scope of the claims of the present invention, they are protected by the patent law.

Claims

1. A tool capable of flat-cutting large-sized materials, characterized in that: The invention comprises a clamp 1 (1), a clamp 2 (2) and two clamp 3 (12), wherein the clamp 1 (1), the clamp 2 (2) and the clamp 3 (12) are all L-shaped structures, and a connecting portion (3) is provided at the bending position of the clamp 1 (1) and the clamp 2 (2), and the connecting portion (3) is provided with a through hole, a guide hole (11) and a positioning pin (17), and the two connecting portions (3) are positioned by the guide hole (11) and the positioning pin (17), and a connecting bolt 1 (4) passes through the through hole and cooperates with a nut (18) to fix the clamp 1 (1) and the clamp 2 (2) side by side into a whole, and a cutting gap is formed between the connecting feet of the clamp 1 (1) and the clamp 2 (2) and the two clamp 3 (12), and the clamp 1 (1) The connecting foot at one end of the second clamp (2) is hinged to the connecting foot at one end of the two third clamps (12) through a hinge (13), and the two connecting feet at the other ends of the two third clamps (12) are provided with connecting blocks (6). The other ends of the first clamp (1) and the second clamp (2) are also provided with connecting blocks (6). The connecting blocks (6) are provided with through holes for the second connecting bolt (7) to pass through. The second connecting bolt (7) passes through the connecting blocks (6) to connect the first clamp (1), the second clamp (2) and the third clamp (12) to form a rectangular clamping fixture. A cutting groove is formed on the rectangular clamping fixture. Two clamping bolts (5) are respectively provided on each side of the rectangular clamping fixture. The two clamping bolts (5) on each side are located on both sides of the cutting groove.

2. A tool for flat cutting of large-sized materials according to claim 1, characterized in that: A clamping block (8) is provided on each opposite side of the two connecting blocks (6), and a ball (9) which can roll relative to the clamping block (8) is provided on the inner side of each clamping block (8).

3. A tool capable of flat-cutting large-sized materials according to claim 2, characterized in that: A gasket (16) is provided at the clamping end of each clamping bolt (5).

4. The tool for flat cutting of large-sized materials according to claim 3, characterized in that: The number of the guide holes (11) is two, and the number of the positioning pins (17) is correspondingly two.

5. A tool capable of flat-cutting large-sized materials according to claim 4, characterized in that: The end of the connecting bolt 1 (4) is provided with a pin hole (19) for inserting a cotter pin.

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