CN205218397U - Brake shoe plug welding tool - Google Patents

Abstract

The utility model discloses a brake shoe plug welding tool, which comprises a disc-shaped clamp body, two positioning pins are arranged on the clamp body, the two ends of the vertical plate of the brake shoe are erected on the two positioning pins, and the cylinder pushes the vertical plate to be close to the two positioning pins. The surface of the clamp body; a belt is hinged on the upper arc of the clamp body, and the curved plate is placed between the belt and the upper arc of the clamp body; a linkage mechanism is also connected to the clamp body, and the linkage mechanism includes a pressing arm. The free end of the pressing arm is connected to the roller, and the linkage mechanism presses the free end of the waist belt on the upper arc of the clamp body through the roller, so that the curved plate is pressed against the outer edge of the upper arc of the clamp body. The utility model pushes the vertical plate close to the surface of the clamp body through the cylinder, and sets the belt to press the curved plate on the outer edge of the upper arc of the clamp body, so as to ensure that the brake shoe bending plate and the tight plate maintain a fixed gap, which not only effectively Reduced labor intensity.

Description

Brake shoe plug welding tool

technical field

The utility model belongs to the technical field of fixtures, and more specifically relates to a brake shoe plug welding tool.

Background technique

The brake shoe is one of the key parts of the automobile brake system. The brake shoe is made by plug welding the bent plate and the vertical plate. When plug welding, the vertical plate needs to be pressed tightly on the curved plate. For the pressing operation, the traditional The advanced technology is manually pressed by the workers. When the workers are in a good state of mind, they will clamp the vertical plate and the curved plate tightly. When the physical strength is poor, the gap between the vertical plate and the curved plate will be larger. Therefore, the current Brake shoe plug welding process is difficult to achieve good consistency. In view of this, the inventor of this case conducted in-depth research on the above-mentioned problems, and developed a plug-welding frock for plug-welding of brake shoes, which resulted in this case.

Utility model content

The purpose of the utility model is to provide a brake shoe plug welding tool, which solves the technical problem that the consistency of brake shoe plug welding is difficult to be guaranteed at present, so as to overcome the deficiencies of the prior art.

The technical solution of the utility model to solve the technical problem is: the brake shoe plug welding tool includes a disc-shaped clamp body, two positioning pins are arranged on the clamp body, the two ends of the vertical plate of the brake shoe are erected on the two positioning pins, and the cylinder Push the vertical plate to be close to the surface of the clamp body; a belt is hinged on the upper arc of the clamp body, and the curved plate is placed between the belt and the upper arc of the clamp body; a linkage mechanism is also connected to the clamp body, and the linkage mechanism It includes a pressing arm, the free end of which is connected to a roller, and the linkage mechanism presses the free end of the belt against the upper arc of the clamp body through the roller, so that the curved plate is pressed against the upper arc of the clamp body outer edge.

The connecting rod mechanism also includes an oil cylinder base, an oil cylinder, an oil cylinder head, and a hinged support, the oil cylinder is hinged on the oil cylinder base, the oil cylinder is connected to the oil cylinder head, the connecting end of the compression arm is hinged on the oil cylinder head, and the middle part of the compression arm Hinged on the hinged support.

The clamp body is provided with a rack and pinion transmission mechanism, and the rack and pinion transmission mechanism is used to push the brake shoe bent plate after plug welding away from the clamp body.

A channel is arranged inside the clamp body along the center line, and the rack of the rack-and-pinion transmission mechanism moves in the channel.

The oil cylinder seat is installed on the clamp body.

Angle brackets are installed on the clamp body.

The beneficial effects of the utility model are:

The utility model pushes the vertical plate close to the surface of the clamp body through the cylinder, and sets the belt to press the curved plate on the outer edge of the upper arc of the clamp body, so as to ensure that the brake shoe bending plate and the tight plate maintain a fixed gap, which not only effectively The labor intensity is reduced, and the product quality does not change with the physical strength of the operator.

The tooling adopts hydraulic pressure and connecting rod mechanism to realize the circumferential clamping of the workpiece.

Description of drawings

Fig. 1 is a structural schematic diagram of a brake shoe plug welding tool of the present invention.

Fig. 2 is a side view of the utility model brake shoe plug welding tool.

In the accompanying drawings, each label is represented as follows: rack 1, clamp body 2, gear 3, plug welding equipment joint 4, angle frame 5, vertical plate 6, bent plate 7, pressure head 8, belt 9, small positioning pin 10, Roller 11, hinged support 13, pressing arm 14, oil cylinder head 16, oil cylinder 17, oil cylinder seat 19, support 21, large positioning pin 23.

detailed description

Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present utility model, but should not be construed as limiting the present utility model.

In describing the present invention, it should be understood that the terms "central", "lateral", "upper", "lower", "left", "right", "vertical", "horizontal", "inner" The orientation or positional relationship indicated by , "outside", etc. is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the referred device or element must have a specific Orientation, construction and operation in a particular orientation, therefore should not be construed as limiting the invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present utility model, unless otherwise specified, "plurality" means two or more.

In the description of the present utility model, it should be noted that, unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it may be a fixed connection. It can also be a detachable connection or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model in specific situations.

As shown in Figure 1-2, a brake shoe plug welding tool includes a disc-shaped clamp body 2, on which two positioning pins (small positioning pin 10 and large positioning pin 23) are arranged, and the vertical plate of the brake shoe 6 The two ends are erected on the two positioning pins, and the cylinder pushes the vertical plate close to the surface of the clamp body through the pressure head 8; a belt 9 is hinged on the upper arc of the clamp body, and the curved plate 7 is placed between the belt and the upper arc of the clamp body Between; also connect link mechanism on clamp body, described link mechanism comprises pressing arm 14, and the free end of described pressing arm connects roller 11, and link mechanism presses the free end of belt 9 by described roller 11 Tightly on the upper arc of the clamp body 2 so that the bent plate 7 is pressed against the outer edge of the upper arc of the clamp body. A bracket 21 is installed on the clip body, and the end of the waist belt 9 is hinged on the bracket 21 . The belt 9 adopts a hollow structure, and utilizes its elastic deformation to effectively clamp the bent plate workpiece. And use the arc surface of the roller 11 to change the direction of the pressure, so that the workpiece can be fully clamped. Roller 11 is installed on the end of pressing arm by roller, and roller is rotatable part, thereby guarantees that it changes the direction of force after cooperating with roller.

Described link mechanism also comprises oil cylinder base 19, oil cylinder 17, oil cylinder head 16, hinged support, and described oil cylinder 17 is hinged on oil cylinder base 19, and oil cylinder 17 is connected oil cylinder head 16, and the connecting end of compression arm 14 is hinged on oil cylinder On the head, the middle part of the pressing arm is hinged on the hinged support 13.

The clamp body is provided with a rack and pinion transmission mechanism, and the rack and pinion transmission mechanism is used to push the brake shoe bent plate after plug welding away from the clamp body.

A channel is arranged inside the clamp body along the center line, and the rack 1 of the rack-and-pinion transmission mechanism moves in the channel, and the rack 1 and the gear 3 mesh.

The cylinder seat 19 is installed on the clamp body.

An angle frame 5 is installed on the clamp body. Cylinder is arranged on the corner frame 5. A plug welding equipment joint 4 is also installed on the clamp body.

Although the embodiments of the present invention have been shown and described, those skilled in the art should understand that various changes, modifications, substitutions and Variations, the scope of the utility model is defined by the claims and their equivalent replacements, and improvements made without creative work should be included in the protection scope of the utility model.

Claims (6)

1. Brake shoe plug welding equipment, including a disc-shaped clamp body, is characterized in that two positioning pins are arranged on the clamp body, the two ends of the vertical plate of the brake shoe are erected on the two positioning pins, and the cylinder pushes the vertical plate to be close to the two positioning pins. The surface of the clamp body; a waist belt is hinged on the upper arc of the clamp body, and the curved plate is placed between the belt and the upper arc of the clamp body; a linkage mechanism is also connected to the clamp body, and the linkage mechanism includes a pressing arm. The free end of the pressing arm is connected to the roller, and the linkage mechanism presses the free end of the waist belt on the upper arc of the clamp body through the roller, so that the curved plate is pressed against the outer edge of the upper arc of the clamp body. 2. The brake shoe plug welding tool according to claim 1, characterized in that: the linkage mechanism also includes an oil cylinder seat, an oil cylinder, an oil cylinder head, and a hinged support, the oil cylinder is hinged on the oil cylinder seat, and the oil cylinder is connected The oil cylinder head, the connecting end of the compression arm is hinged on the oil cylinder head, and the middle part of the compression arm is hinged on the hinge support. 3. The brake shoe plug welding tool according to claim 2, characterized in that: the clamp body is provided with a rack and pinion transmission mechanism, and the rack and pinion transmission mechanism is used to bend the brake shoe after plug welding. The top of the board is away from the clamp body. 4 . The brake plug welding tool according to claim 3 , wherein a channel is arranged inside the clamp body along the center line, and the rack of the rack-and-pinion transmission mechanism moves in the channel. 5. The brake shoe plug welding tool according to claim 4, characterized in that: the oil cylinder seat is installed on the clamp body. 6 . The brake plug welding tool according to claim 5 , wherein an angle frame is installed on the clamp body. 7 .