Aluminum alloy U-shaped groove line diagonal 90-degree labor-saving bending clamp

Abstract

The utility model discloses an aluminum alloy U-shaped groove line diagonal 90-degree labor-saving bending clamp, which comprises a left clamp and a right clamp which are pivoted together, the head of the left clamp is provided with two shearing knives used for forming a shearing groove, and the two shearing knives are oppositely arranged and form a hollow polygonal shearing opening. The upper part of the shearing opening is of a triangular structure and the lower part is of a rectangular structure; a pressure head which is used for being matched with the shearing groove and relatively moves in the shearing groove is correspondingly arranged on the right plier head part, the positive projection of the front end of the pressure head is of a triangular structure, the rear end of the pressure head is of a rectangular structure, cutting edges are arranged on the two side edges of the triangle, and a cutting edge is arranged on the inner side of the shearing knife opposite to the pressure head. The utility model aims to provide the labor-saving bending clamp for the 90-degree opposite angle of the aluminum alloy U-shaped groove line, which is convenient for forming a triangular grooving opening on a metal thin plate such as an aluminum alloy groove plate and a groove plate, and is simple to use, standard and attractive in shearing opening, efficient in shearing, labor-saving, efficient, convenient to process and long in service life.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the hardware tool field, concretely is a triangular slot opening pliers that grooving is carried out on the sheet metal. BACKGROUND

[0002] Pliers are widely used as a hardware tool, but the existing pliers are mostly clamp pliers, tiger mouth pliers, or are used for clamping objects, or are used for side shearing of iron wires, sheets, etc.

[0003] In the existing work, the picture frame edge covering aluminum alloy material needs 90-degree diagonal folding, a triangle needs to be sheared on the aluminum alloy material, and then it is folded to form a 90-degree right angle; in addition, in the aluminum alloy skirting line used in building, the edge needs to be folded to form a 90-degree right angle, as shown in Figure 1 ;

[0004] The traditional shearing method is more troublesome and laborious, slow, low in efficiency, and easy to hurt the hand; through retrieval, it is found that the comparative file 1 with the application number 2017214388384 and the application date 2017-11-01, and the comparative file 2 with the application number CN201830225823 and the application date 2018-05-16, the main structural feature structure diagram of the two comparative files (substantially the same invention) is as shown in Figure 2 , the main principle is: the material is sheared by using two sets of concave-convex molds for pressing.

[0005] But in the actual operation process, it requires a lot of strength to operate the pliers for pressing, and it is not very convenient to operate and use, and it is laborious; and sometimes when the applied pressure is not enough, the cut shearing is uneven, the shearing is not standard, and it is not beautiful.

[0006] Therefore, according to the actual work experience, an aluminum alloy U-shaped groove diagonal 90-degree folding pliers is proposed. CONTENT OF THE UTILITY MODEL

[0007] The utility model aims at the above problems, and provides an aluminum alloy U-shaped groove line diagonal 90-degree labor-saving bending pliers, which is convenient to form a 90 opening on an aluminum alloy line groove plate and other metal sheets and groove plates, and forms a 90-degree right angle after diagonal folding; it is simple to use, the shearing is standard and beautiful, the shearing is efficient, labor-saving, convenient to process, and has a long service life.

[0008] To achieve the above object, the utility model discloses the technical scheme that a kind of aluminium alloy U-shaped groove line is bent to diagonal 90 degrees labour-saving bending pliers, including pivot together left pliers, right pliers, the left pliers head is provided with two cutting knives for forming cutting groove, the two cutting knives are oppositely arranged and constitute hollow polygonal cutting, and the upper part of the cutting is triangular structure lower part is rectangular structure;Corresponding the right pliers head is provided with pressure head for cooperating with cutting groove, and relatively moving in cutting groove, the front end of the pressure head is triangular structure, and the rear end of pressure head is rectangular structure, and the blade edge is formed on two sides of triangle, and the inside of cutting knife opposite to pressure head is blade edge.

[0009] Further, the cutting knife is inverted L-shaped symmetric structure, when the pliers are closed, the pressure head is in the cutting groove formed by the two cutting knives;When the pliers are opened, the pressure head exits the cutting groove.

[0010] Further, the blade edge of the cutting knife is opened and enlarged at back, greater than the triangular cutting formed by the front and the pressure head.

[0011] Further, the front end of the pressure head is convex at triangular vertex part, and the two sides of triangle are gradually transitioned to form convex triangular blade edge.

[0012] Further, the front end of the pressure head is inclined structure.

[0013] Further, the front end of the pressure head is triangular structure, and the front end of the pressure head is inclined at an angle of 5-35 degrees.

[0014] Further, the cutting knife of the left pliers head is detachable structure, the cutting knife is symmetrically arranged and fixed by the connecting block at bottom and the connecting groove provided on the left pliers head, and locked by fastener.

[0015] Further, the two outer sides of the front end of the pressure head are provided with chamfer at the cooperating position with the cutting knife, to form the knife withdrawal groove.

[0016] The utility model has the advantages that a kind of aluminium alloy U-shaped groove line is bent to diagonal 90 degrees labour-saving bending pliers, triangular cutting opening is formed on aluminium alloy groove plate and other metal sheet and groove plate, simple to use, cutting is standard and beautiful, cutting is efficient, labour-saving and efficient, processing is convenient, and service life is long.

[0017] 1, the utility model pliers head one side utilizes two cutting knives to form cutting groove, and forms cutting with the pressure head of the other side pliers, triangular cutting is formed once, and triangular cutting opening and blanking operation are facilitated on sheet and groove plate, one-time forming, and simple and short in use.

[0018] 2. The utility model discloses a pincers head part groove is open structure, and it is convenient to cut the plate with the baffle at the front end, and the groove cutting knife baffle is not left residual.

[0019] 3. The utility model discloses a pincers head part (the right pincers 2 head part in the drawing) pressure head is designed as the blade of the front end protruding, and two sides are blade, and it is composed a triangular cutting knife, when gradually in the contact with the object to be cut, first from the front end and starts the pressure and carries out the cutting, and the force on the pincers handle is only transmitted to the position of contact, and it is easier to cut the material under the same pressure application, so convenient when cutting the object and form gradually the force point of application, reduce the resistance moment, thereby reduce the resistance, and it is convenient to carry out the pressure cutting fast and efficiently.

[0020] 4. The utility model discloses a pincers head part (the right pincers 2 head part in the drawing) pressure head side blade is designed as the bevel structure, and it is designed as line contact, and it is convenient to cut the pressure cutting mouth when contacting the plate, and it is convenient to cut the action to the front side, realizes the cutting effect.

[0021] 5. The utility model discloses another structure, and the pincers head part (the left pincers 1 head part in the drawing) is designed into the structure that can be disassembled and replaced, can conveniently replace the cutting knife, replaces when wearing, saves the material, prolongs the service life of pincers. DRAWINGS

[0022] Figure 1 It is the schematic diagram of the aluminum alloy groove plate splicing to be cut.

[0023] Figure 2 It is the schematic diagram of the present cutting pincers head part.

[0024] Figure 3 It is the schematic diagram of the utility model three-dimensional structure.

[0025] Figure 4 It is Figure 3 The schematic diagram of structure in another view angle.

[0026] Figure 5 It is Figure 3 The schematic diagram of structure in the horizontal view angle.

[0027] Figure 6 It is Figure 3 The schematic diagram of pincers main component decomposition in the utility model.

[0028] Figure 7 It is the schematic diagram of another structure pincers head part of the utility model.

[0029] Figure 8 It is Figure 7 The schematic diagram of pincers head part disassembly in the utility model Figure 1 .

[0030] Figure 9 For Figure 7 The middle pincers head disassembling schematic Figure 2 .

[0031] The text annotation in the figure represents:

[0032] A, B, C are each section of aluminum alloy U-shaped groove aluminum alloy line, M is the shear cut, N is the state of shear cut combined together; 11DB is the existing technology comparison file 1 in the head part of the briquetting; the included angle Q;

[0033] 1, left pincers; 2, right pincers; 3, handle cover; 4, rivet; 5, shear cut;

[0034] 10, left pincers head; 101, shear cutter; 102, cutter edge;

[0035] 20, right pincers head; 201, side edge; 202, front convex edge;

[0036] 11, connecting block; 12, connecting groove; 13, fastener. DETAILED DESCRIPTION

[0037] In order to make the technical personnel better understand the technical scheme of the utility model, the utility model is described in detail below in combination with the drawings, and the description of this part is only exemplary and explanatory, which should not have any limiting effect on the protection scope of the utility model.

[0038] Figure 1 It is a schematic diagram of the aluminum alloy groove plate to be cut, which should be according to Figure 1 The side of the aluminum alloy U-shaped groove aluminum alloy is cut off, forming M as a shear cut, and through selection, N is in the state of shear cut combined together.

[0039] Figure 2 It is a schematic diagram of the existing shear pincers head, and the main structural feature structure diagram of the comparison file 1 is as follows Figure 2 The main principle is: the concave-convex two sets of molds are used for pressing to realize material shearing. However, in the actual operation process, it is required to have great strength to operate the pincers for pressing, and the operation is not very convenient, which is laborious; and sometimes when the pressure is not enough, the cut shearing is uneven, the shear cut is not standard, and it is not beautiful.

[0040] In this embodiment, we propose a 90-degree labor-saving bending pincers for aluminum alloy U-shaped groove line according to actual work experience.

[0041] As Figures 3-6As shown, the specific structure of the utility model is: a kind of aluminium alloy U-shaped groove line diagonal 90 degrees labor-saving bending pliers, including left pliers 1, right pliers 2 being pivoted together, it is riveted by rivet 4, and the lower part of pliers is equipped with handle sleeve 3;Two shearing knives 101 for forming shearing groove are provided on the head of left pliers 10, the two shearing knives 101 are symmetrically arranged, and the two shearing knives are oppositely arranged and constitute hollow polygonal shearing notch 5, the upper part of the shearing notch 5 is triangular structure and the lower part is rectangular structure;Correspondingly, the head of right pliers 20 is provided with pressure head for cooperating with shearing groove and relatively moving in shearing groove, the front end of the pressure head is triangular structure, the rear end of the pressure head is rectangular structure, the two sides of the triangle are both blade edge, and the vertex of the triangle is symmetrically arranged in front of the right angle and the two sides are side blade edge 201, and the inner side of the shearing knife 101 opposite to the pressure head is blade edge.

[0042] The front end of the pressure head of the head of right pliers 20 is triangular structure, which is isosceles right triangle, and the right angle vertex is arranged at the most front end;With cooperation, the upper part of the shearing notch 5 of the head of left pliers is cooperatively arranged as the projection of isosceles right triangle gap;In this way, when the pressure head of the head of right pliers 20 is pressed into the shearing notch 5 of the head of left pliers 10, the shearing of isosceles right triangle gap is realized. Figure 1 In this way, the shearing part is convenient to realize diagonal 90 degrees bending in

[0043] As shown in Figures 3-5 , the pressure head on the head of right pliers 20 includes front convex blade edge 202 and side blade edge 201.

[0044] Preferably, the shearing knife 101 is inverted L-shaped symmetric structure, when the pliers are closed, the pressure head is in the shearing groove formed by the two shearing knives, and when the pliers are opened, the pressure head exits the shearing groove.

[0045] Preferably, the blade edge of the shearing knife 101 is opened and enlarged at the back, which is larger than the triangular shearing notch 5 formed by the front and the pressure head.

[0046] Preferably, the front end of the pressure head is convex at the vertex of the triangle, and the two sides of the triangle are gradually transitioned to form convex triangular blade edge.

[0047] As shown in Figure 5 , preferably, the front end of the pressure head is inclined structure.

[0048] As shown in Figure 5As shown, preferably, the front end of the pressure head is inclined at an angle of 5-35 degrees when the front end is projected orthogonally, and the angle Q in the figure is the angle between the front end of the right pliers head and the projection of the right pliers head.

[0049] In this embodiment, Figure 6 For Figure 3 The front end of the left pliers head 10 is flush, and a gap is left between the two cutting knives 101; the front end of the cutting head of the right pliers 2 can pass through the gap to achieve cutting. Figure 6 As shown, the pliers head slot of the utility model is an open structure, which is convenient for cutting the plate with the baffle at the front end, and no residue is left at the baffle of the slot cutting knife.

[0050] As shown, the pliers head slot of the utility model is an open structure, which is convenient for cutting the plate with the baffle at the front end, and no residue is left at the baffle of the slot cutting knife. Figures 7-9 As shown, the pliers head slot of the utility model is an open structure, which is convenient for cutting the plate with the baffle at the front end, and no residue is left at the baffle of the slot cutting knife.

[0051] Preferably, the cutting knife 101 of the left pliers head 10 is detachable, and the cutting knife 101 is symmetrically arranged and fixed through the connecting block 11 at the bottom and the connecting slot 12 arranged on the left pliers head 10, and locked through the fastener 13. Figures 7-9 Preferably, the cutting knife 101 of the left pliers head 10 is detachable, and the cutting knife 101 is symmetrically arranged and fixed through the connecting block 11 at the bottom and the connecting slot 12 arranged on the left pliers head 10, and locked through the fastener 13.

[0052] Preferably, the two outer sides of the front end of the pressure head are provided with chamfers at the positions matched with the cutting knife 101, to form a knife withdrawal groove.

[0053] The utility model discloses a labor-saving bending pliers for aluminum alloy U-shaped groove lines, which is convenient for forming triangular cutting grooves on aluminum alloy groove plates and other metal thin plates, simple to use, and can cut the groove efficiently, labor-savingly and conveniently, and has a long service life.

[0054] Specifically, the utility model discloses a pliers head, which utilizes two cutting knives 101 to form a cutting groove on one side, and forms a triangular cutting groove with the pressure head of the pliers on the other side, so that the triangular cutting groove and the blanking operation on the thin plate and the groove plate can be performed at one time, and the operation is simple and convenient.

[0055] The utility model discloses a working principle is, the pressure head of right tongs head part 20 (the right tongs 2 head part in drawing) designs as the blade of the front end convex, and two side edges are side blade 201, and the front convex is front convex blade 201, and it is collectively formed a triangular cutter, when gradually in contact with the object to be sheared, first from the front end and starts to press and shears, and the force on the tongs handle is only transmitted to the position of contact, and it is easier to cut the material under the same pressure and more labor-saving, so set, convenient when shearing object forms gradually and progressively force point, reduces the resistance torque, thereby reducing the resistance, and it is convenient to quickly and efficiently apply pressure shearing.

[0056] The side blade 201 of the pressure head of right tongs head part 20 designs as bevel structure, and it is designed as line contact, and it is present pressure shearing mouth when contact plate, convenient to the front side edge and cut the action, realizes cutting effect.

[0057] Another structure of the utility model, left tongs head part 10 (the left tongs 1 head part in drawing) designs into the structure that can be dismantled and replaced, can conveniently replace the cutter, replaces when wearing, saves material, prolongs the service life of tongs.

[0058] It should be noted that in this paper, the term "including", "containing" or any other variant thereof is intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or includes elements inherent to such process, method, article or equipment.

[0059] The principle and implementation mode of the utility model are described in the specific examples in this paper, and the above example is only used to help understand the method and core idea of the utility model. The above described is only the preferred implementation mode of the utility model, and it should be pointed out that due to the limited nature of the language expression, there are infinite specific structures objectively, and for ordinary skilled persons in the technical field, some improvements, decorations or changes can be made without departing from the principle of the utility model, and the above technical features can be combined in a proper way, and these improvements, decorations, changes or combinations, or the utility model concept and technical scheme without improvement are directly applied to other occasions, which should be regarded as the protection scope of the utility model.

Claims

1. A kind of aluminium alloy U-shaped groove line diagonal 90 degrees labor-saving bending pliers, including left pliers, right pliers that are pivoted together, it is characterized in that, The left pincer head is provided with two shearing knives for forming a shearing groove, which are oppositely arranged and constitute a hollow polygonal shearing opening, the upper part of the shearing opening is triangular structure and the lower part is rectangular structure; the corresponding right pincer head is provided with a pressure head for cooperating with the shearing groove and oppositely moving in the shearing groove, the front end of the pressure head is triangular structure in orthographic projection and the rear end of the pressure head is rectangular structure, the two sides of the triangular structure are blade edges, and the inner side of the shearing knife opposite to the pressure head is a blade edge.

2. The aluminum alloy U-channel line corner 90-degree labor-saving bending pliers according to claim 1, characterized in that, The shearing knife is an inverted L-shaped symmetrical structure, when the pincers are closed, the pressure head is in the shearing groove formed by the two shearing knives; when the pincers are opened, the pressure head exits the shearing groove.

3. The aluminum alloy U-channel line corner diagonal 90-degree labor-saving bending pliers according to claim 1 or 2, characterized in that, The back of the blade edge of the shearing knife is opened and enlarged, which is larger than the triangular shearing opening formed by the front and the pressure head.

4. The aluminum alloy U-channel line corner diagonal 90-degree labor-saving bending pliers according to claim 1 or 2, characterized in that, The triangular top of the front end of the pressure head is convex downward, and the two sides of the triangular structure are gradually transitioned to form a convex triangular blade edge.

5. The aluminum alloy U-channel line corner diagonal 90-degree labor-saving bending pliers according to claim 4, characterized in that, The front end blade edge of the pressure head is an inclined structure.

6. The aluminum alloy U-channel line corner 90-degree power-saving bending pliers according to claim 5, characterized in that, When the front end of the pressure head is orthographically projected, the inclined angle of the convex part of the front end is 5-35 degrees.

7. The aluminum alloy U-channel line corner diagonal 90-degree labor-saving bending pliers according to claim 4, characterized in that, The shearing knife of the left pincer head is a detachable structure, which is symmetrically arranged, fixed by a connecting block at the bottom and a connecting groove arranged on the left pincer head, and locked by a fastener.

8. The aluminum alloy U-channel line corner diagonal 90-degree labor-saving bending pliers according to claim 1 or 2 or 3 or 4 or 5 or 6 or 7, characterized in that, The two outer sides of the front end of the pressure head are provided with chamfers at the cooperating positions with the shearing knife, forming a knife withdrawal groove.

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