Riveting tool for brake pad

Abstract

The utility model discloses a riveting tool of a brake pad. The riveting tool comprises a base plate; the fixing plate is connected with the base plate, and a riveting punch assembly and an ejector pin assembly are arranged on the fixing plate; matching grooves are formed in the positioning plate, the riveting punch assemblies and the ejector pin assemblies are contained in the matching grooves, the matching grooves are used for containing a back plate of the brake pad, the riveting punch assemblies correspond to connecting holes in the back plate in a one-to-one mode, and the ejector pin assemblies are used for ejecting out workpieces in the matching grooves. The backing plate is used as a foundation plate to connect the fixing plate and the positioning plate together, the riveting punch assembly and the ejector pin assembly on the fixing plate are used for achieving positioning riveting and pushing of the brake pad back plate, the positioning plate is matched with the fixing plate to achieve positioning installation of the brake pad, the structure is simple, use is convenient, and the practicability is high. And a plurality of riveting holes in the back plate can be operated at a time, so that the efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of tooling, in particular to a riveting tooling for a brake pad. Background Art

[0002] As a key component of the automobile braking system, brake pads play an extremely critical role in driving and parking. They achieve driving braking and parking braking through friction with the brake disc.

[0003] Some brake pads are riveted with concave nails. Concave nail riveting uses axial force to thicken the inner nail rod of the back plate concave nail and parallel it into a nail head, so that the silencer and the back plate are fastened together. It is a traditional riveting method. If there are many concave nails that need to be riveted on the brake pad, according to the transmission production method, they need to be riveted one by one. A brake pad needs to be riveted many times, and the production efficiency is very low. Utility Model Content

[0004] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model provides a riveting tool for a brake pad, which can improve the riveting efficiency.

[0005] According to the first aspect of the utility model, a riveting tool for a brake pad includes: a backing plate; a fixing plate connected to the backing plate, on which a riveting punch assembly and an ejector assembly are arranged; a positioning plate connected to the fixing plate, on which a matching groove is arranged, in which the riveting punch assembly and the ejector assembly are both accommodated, the matching groove is used to place the back plate of the brake pad, the riveting punch assembly is arranged one-to-one with the connecting holes on the back plate, and the ejector assembly is used to eject the workpiece in the matching groove.

[0006] A riveting tool for brake pads according to the embodiment of the utility model has at least the following beneficial effects: the pad is used as a base plate to connect the fixed plate and the positioning plate together, the riveting punch assembly and the ejector assembly on the fixed plate are used to realize the positioning riveting and pushing of the brake pad back plate, the positioning plate cooperates with the fixed plate to realize the positioning installation of the brake pad, the structure is simple, easy to use, and multiple riveting holes on the back plate can be operated at one time, which improves efficiency; before riveting, first put the brake pad back plate to be riveted into the matching groove downward, and then push it into the lower punch area of ​​the riveting machine, and by adjusting the riveting stroke, the reliability of the nail point riveting is guaranteed, and finally the brake pad is taken out of the riveting tool. The tool rivets two nail points at a time, which is of great help to improve production efficiency and reduce production costs. The riveting tool has a simple structure and is easy to operate, which can make riveting more convenient, effectively improve the quality of the brake pad and reduce production costs.

[0007] According to some embodiments of the utility model, the riveting punch assembly includes an insert and a punch, the insert is embedded in the fixed plate, and the punch is detachably connected to the insert. The riveting punch assembly has a simple structure, and the insert can be embedded with different types of punches to adapt to different types of back panels.

[0008] According to some embodiments of the utility model, the punch includes a column and a head end portion, the head end portion is integrally formed with the column, and the head end portion is provided with a special-shaped pressing portion. The provision of the head end portion and the special-shaped pressing portion can make the riveting process more efficient and the riveting quality is high.

[0009] According to some embodiments of the utility model, the special-shaped pressing portion is arranged in a cross shape, and the cross-shaped pressing portion is connected to the end surface of the column through a guide surface. The cross-shaped special-shaped pressing portion can be accurately positioned and pressed to achieve riveting.

[0010] According to some embodiments of the present invention, the cross section of the column is arranged to be cross-shaped.

[0011] According to some embodiments of the utility model, the ejector assembly includes an ejector and an elastic member, the ejector is connected to the fixed plate via the elastic member, the elastic member is used to drive the ejector assembly to protrude out of the bottom surface of the matching groove, and the elastic member is provided so that the ejector can be pressed.

[0012] According to some embodiments of the present invention, the elastic member includes a spring or a spring.

[0013] According to some embodiments of the utility model, the ejector pin assembly is provided in plurality, and the plurality of ejector pin assemblies are symmetrically arranged about the symmetry axis of the matching groove, so that the ejector pin assembly can stably lift the back plate.

[0014] According to some embodiments of the present invention, the backing plate and the fixing plate are connected by screws.

[0015] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0017] Figure 1 It is a structural schematic diagram of a riveting tool for a brake pad according to an embodiment of the utility model;

[0018] Figure 2 for Figure 1An exploded view of a riveting tool for a brake pad is shown;

[0019] Figure 3 for Figure 1 A schematic structural diagram of a column of a riveting tool for a brake pad is shown;

[0020] Figure 4 for Figure 1 An exploded view of a riveting tool for a brake pad is shown cut from a main perspective.

[0021] Pad 100;

[0022] The fixing plate 200, the riveting punch assembly 210, the insert 211, the punch 212, the column 212a, the head end 212b, and the special-shaped pressing portion 212b1;

[0023] Ejector assembly 220, ejector 221, elastic member 222;

[0024] Positioning plate 300 and matching groove 310 . DETAILED DESCRIPTION

[0025] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0026] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and 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 orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0027] In the description of the present utility model, the meaning of "several" is one or more, the meaning of "more" is two or more, "greater than", "less than", "exceed" etc. are understood to exclude the number itself, and "above", "below", "within" etc. are understood to include the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0028] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0029] Reference Figures 1 to 4 A riveting tool for a brake pad comprises: a backing plate 100; a fixing plate 200 connected to the backing plate 100, on which a riveting punch assembly 210 and an ejector assembly 220 are arranged; a positioning plate 300 connected to the fixing plate 200, on which a matching groove 310 is arranged, in which the riveting punch assembly 210 and the ejector assembly 220 are both accommodated, and the matching groove 310 is used to place a back plate of the brake pad, the riveting punch assembly 210 and the connecting holes on the back plate are arranged one by one, and the ejector assembly 220 is used to eject the workpiece in the matching groove 310.

[0030] The set pad 100 is used as a base plate to connect the fixed plate 200 and the positioning plate 300 together. The riveting punch assembly 210 and the ejector assembly 220 on the fixed plate 200 are used to realize the positioning riveting and pushing of the brake pad back plate. The set positioning plate 300 cooperates with the fixed plate to realize the positioning and installation of the brake pad. It has a simple structure and is easy to use. It can operate multiple riveting holes on the back plate at one time to improve efficiency. Before riveting, first put the brake pad back plate to be riveted into the matching groove 310 with the back facing down, and then push it into the lower punch area of ​​the riveting machine. By adjusting the riveting stroke, the reliability of the nail point riveting is guaranteed, and finally the brake pad is taken out from the riveting tool. This tool rivets two nail points at a time, which is of great help to improve production efficiency and reduce production costs. The riveting tool has a simple structure and is easy to operate, which can make riveting more convenient, effectively improve the quality of the brake pad, and reduce production costs. In addition, the traditional riveting method also has problems such as inaccurate positioning and difficult riveting. In order to solve the existing problems such as riveting positioning, riveting quality, and riveting efficiency, a set of integrated positioning and riveting tooling was designed. After the brake pad is put in, all rivets are riveted directly at one time. While ensuring the riveting quality, the riveting efficiency and positioning difficulty are improved.

[0031] In some embodiments, the riveting punch assembly 210 includes an insert 211 and a punch 212. The insert 211 is embedded in the fixing plate 200, and the punch 212 is detachably connected to the insert 211. The riveting punch assembly 210 has a simple structure, and the insert 211 can be embedded with different types of punches 212 to adapt to different types of back plates. It can be understood that the insert 211 and the punch 212 are both made of stainless steel, and the insert 211 is detachably embedded in the fixing plate 200.

[0032] In some embodiments, the punch 212 includes a column 212a and a head end 212b. The head end 212b is integrally formed with the column 212a. The head end 212b is provided with a special-shaped pressing portion 212b1. The head end 212b and the special-shaped pressing portion 212b1 can make the riveting process more efficient and the riveting quality is high.

[0033] In some embodiments, the special-shaped pressing portion 212b1 is configured as a cross, and the cross-shaped pressing portion is connected to the end surface of the column 212a through the guide surface 212b2. The cross-shaped special-shaped pressing portion 212b1 can accurately position and press to achieve riveting.

[0034] In some embodiments, the cross section of the column 212a is configured to be cross-shaped.

[0035] In some embodiments, the ejector assembly 220 includes an ejector 221 and an elastic member 222. The ejector 221 is connected to the fixed plate 200 via the elastic member 222. The elastic member 222 is used to drive the ejector assembly 220 to protrude out of the bottom surface of the matching groove 310. The elastic member 222 is provided so that the ejector 221 can be pressed.

[0036] In some embodiments, the elastic member 222 includes a spring or a spring.

[0037] In some embodiments, a plurality of ejector pin assemblies 220 are provided, and the plurality of ejector pin assemblies 220 are symmetrically arranged about the symmetry axis of the matching groove 310 , so that the ejector pin assemblies 220 can stably lift the back plate.

[0038] In some embodiments, the backing plate 100 and the fixing plate 200 are connected by screws.

[0039] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A riveting tool for a brake pad, characterized in that: include: Pad (100); A fixing plate (200) connected to the backing plate (100), wherein a riveting punch assembly (210) and an ejector pin assembly (220) are arranged on the fixing plate (200); A positioning plate (300) is connected to the fixing plate (200), and a matching groove (310) is provided on the positioning plate (300). The riveting punch assembly (210) and the ejector assembly (220) are both accommodated in the matching groove (310). The matching groove (310) is used to place the back plate of the brake pad. The riveting punch assembly (210) and the connecting hole on the back plate are arranged one by one, and the ejector assembly (220) is used to eject the workpiece in the matching groove (310).

2. The riveting tool for brake pads according to claim 1, characterized in that: The riveting punch assembly (210) comprises an insert (211) and a punch (212); the insert (211) is embedded in the fixing plate (200); and the punch (212) is detachably connected to the insert (211).

3. The riveting tool for brake pads according to claim 2, characterized in that: The punch (212) comprises a column (212a) and a head end (212b); the head end (212b) is integrally formed with the column (212a); and the head end (212b) is provided with a special-shaped pressing portion (212b1).

4. The riveting tool for brake pads according to claim 3, characterized in that: The special-shaped pressing portion (212b1) is arranged in a cross shape, and the cross-shaped pressing portion is connected to the end surface of the column (212a) via a guide surface (212b2).

5. The riveting tool for brake pads according to claim 4, characterized in that: The cross section of the column (212a) is arranged to be cross-shaped.

6. A riveting tool for brake pads according to any one of claims 1 to 5, characterized in that: The ejector assembly (220) comprises an ejector (221) and an elastic member (222); the ejector (221) is connected to the fixing plate (200) via the elastic member (222); and the elastic member (222) is used to drive the ejector assembly (220) to protrude out of the bottom surface of the matching groove (310).

7. The riveting tool for brake pads according to claim 6, characterized in that: The elastic member (222) comprises a spring or a spring sheet.

8. The riveting tool for brake pads according to claim 1, characterized in that: The ejector pin assemblies (220) are provided in plurality, and the ejector pin assemblies (220) are symmetrically arranged about the symmetry axis of the matching groove (310).

9. The riveting tool for brake pads according to claim 1, characterized in that: The backing plate (100) and the fixing plate (200) are connected by screws.

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