CN210859628U - Multi-element alloy co-infiltrated steel backing for automobile brake pad - Google Patents
Multi-element alloy co-infiltrated steel backing for automobile brake pad Download PDFInfo
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- CN210859628U CN210859628U CN201921748301.7U CN201921748301U CN210859628U CN 210859628 U CN210859628 U CN 210859628U CN 201921748301 U CN201921748301 U CN 201921748301U CN 210859628 U CN210859628 U CN 210859628U
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- brake
- ear
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Abstract
The utility model provides a many first alloys ooze car brake block steel backing altogether, includes the base plate, and the face that the base plate is used for installing the brake block is the brake face, and the brake face of base plate is equipped with a plurality of stamping forming's protruding muscle, and one side of base plate is buckled to the brake face direction and is formed the early warning ear. Adopt above-mentioned technical scheme, protruding muscle is direct to be stamped out on the base plate to convenient processing is convenient, and another is convenient, and after the protruding muscle was stamped out, the intensity of base plate can show the improvement, consequently can adopt thinner base plate, material saving cost also processes easily in stamping process, if the base plate is thicker, can adopt the mode processing of carrying out hot stamping again after the high-frequency heating. The effect of early warning ear is when the brake block grinds needs to be changed, and brake block thickness reduces, and the tip of early warning ear also can contact with the brake disc in braking process, sends the metal friction sound of dazzling to this reminds the driver need change the brake block, and the early warning ear adopts the integrated into one piece of bending for traditional installation in addition, and improvement production efficiency here.
Description
Technical Field
The utility model belongs to the technical field of car brake system component and specifically relates to a car brake block steel backing that many first alloys ooze altogether.
Background
The automobile brake pad consists of a steel back, an adhesive layer and a brake pad, if the adhesive between the steel back and the brake pad is not tight, the risk of falling off of the brake pad can exist, and a serious safety consequence is caused, if the brake pad is seriously abraded, the brake effect can be reduced, and if the brake pad is not replaced in time, the serious safety consequence can also be caused.
The utility model patent for CN201120493102.3 discloses a take many convex cones car brake block through welding the steel thorn on the steel backing, increases the bonding strength of brake block and steel backing, but, the steel thorn welding, and technology is troublesome, and production efficiency is low, and can lead to the deformation of steel backing in welding process, influences size precision. In the prior art, also disclose the arch of other modes, increase the bonding area of steel backing and brake block, and then increase bonding strength, however, many kinds of arch, processing is troublesome, for example use the milling machine to process or welding mode processing, low in production efficiency, with high costs, do not have practical meaning, in addition, do not optimize bellied shape and position for the brake block is at the friction rolling in-process of brake disc, and the interact power between steel backing and the brake block is more balanced, thereby further avoids droing of brake block.
The utility model patent number is CN 201420131912.8's utility model discloses a brake block that can report to police, it installs the warning shell fragment on the steel backing, when the clutch blocks rubs below the safe thickness, the brake disc will be contacted to the upper end of warning shell fragment, produces the friction, and the effect of reporting to the police is reached in the sounding, but in this technical scheme, the warning shell fragment need be processed alone and assemble on the steel backing, has reduced production efficiency, has increased manufacturing cost.
Therefore, improvements are needed, and in addition, because the steel back works in a severe environment, the treatment process of the steel back also meets the corresponding requirements.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a car brake block steel backing that many first alloys ooze altogether, it has intensity height, bonds characteristics firm, that production efficiency is high with the brake block to brake block alarming function has. In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a many first alloys ooze car brake block steel backing altogether, includes the base plate, the face that the base plate is used for installing the brake block is the brake face, the brake face of base plate is equipped with a plurality of stamping forming's protruding muscle, one side of base plate to brake face direction bending type becomes the early warning ear. By adopting the technical scheme, the convex ribs are directly stamped out of the base plate, the processing is convenient, and after the convex ribs are stamped out, the strength of the base plate can be obviously improved, so that a thinner base plate can be adopted, the material cost is saved, and the processing is also easy in the stamping process. If the substrate is thick, the substrate can be processed by high-frequency heating and then hot stamping. The effect of early warning ear is when the brake block grinds to needs to be changed, and brake block thickness reduces, and the tip of early warning ear also can contact with the brake disc in braking process, sends the metal friction sound of dazzling to this reminds the driver need change the brake block, and the early warning ear adopts the integrative shaping of bending here for traditional installation in addition, simplifies technology, improves production efficiency.
Further, the base plate includes head end and tail end, the protruding muscle is the protruding muscle of V-arrangement, the protruding muscle interval sets up and the opening of all protruding muscle is towards the same one end of base plate. Adopt this kind of technical scheme, the protruding muscle of V-arrangement is for the protruding muscle of linear type, its protruding position surface area is bigger, can increase the bonding area with the brake block, improve adhesive strength, the protruding muscle shape is the V-arrangement, including two sand grips, in braking process, when the brake block has the trend for steel back of the body one side removal, the sand grip that is located this side will have the trend that prevents its removal, consequently, can improve the reliability of bonding between brake block and the steel back, and two sand grips that the symmetry set up, also can the homogeneity of atress between steel back and the brake block.
Further, the openings of all the ribs face the head end of the base plate. The automobile brake disc is screwed in from the head end of the base plate and screwed out relative to the tail end of the base plate in the braking process, and the main stress surface of the convex rib is the inner side of the opening.
Further, protruding muscle includes first sand grip and second sand grip, the handing-over department fillet of first sand grip and second sand grip is excessive. The fillet is excessive, the manufacturing of the rib pressing male die is convenient, and the service life of the rib pressing male die is prolonged.
Furthermore, the included angle between the first protruding strip and the second protruding strip is 90 degrees.
Further, protruding muscle sets up along pitch arc array, and first sand grip and second sand grip use the tangent line of pitch arc as central line symmetric distribution, the arc center of pitch arc is concentric with the centre of a circle of car brake disc. The uniformity of the acting force of the steel back on the brake pad is ensured in the braking process.
Further, the early warning ear is arranged on the inner side surface of the substrate.
Furthermore, the end part of the early warning ear is provided with an inclined plane, and the included angle between the normal direction of the inclined plane and the direction of the friction force applied to the early warning ear in the friction early warning process is an obtuse angle. By adopting the technical scheme, the contact area between the end part of the early warning lug and the automobile brake disc is reduced.
In conclusion, by adopting the technical scheme, the steel backing is pressed with the convex ribs in a stamping mode and is bent to form the alarm lugs, so that the strength of the steel backing and the bonding strength of the steel backing and the brake pad can be effectively improved, and the brake pad has an alarm function and is convenient to process.
In addition, after the steel backing is processed, firstly, the punching stress is eliminated, then the multi-element alloy co-infiltration is carried out, the multi-element alloy co-infiltration is a chemical heat treatment process that a workpiece is placed in an infiltration agent containing at least two elements to be infiltrated, and a plurality of elements are infiltrated into the surface of the workpiece through a one-time heating diffusion process, the multi-element alloy co-infiltration process enables the infiltrated metal elements to react with matrix metal to form a compound phase, so that an infiltration layer and the matrix are firmly combined, the combination strength is incomparable to the electroplating and hot galvanizing processes, and the infiltration layer has components and tissues different from the matrix metal, so that the surface of the workpiece obtains special performances, such as high temperature resistance, corrosion resistance, wear resistance and the like. The steel backing has severe working conditions and high strength requirement, and the multicomponent alloy co-infiltration technology is led out, so that the overall performance of the steel backing is improved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a cross-sectional view taken at a-a in fig. 1.
Fig. 3 is a cross-sectional view taken at B-B in fig. 1.
Fig. 4 is a partial view in the direction C of fig. 1.
Fig. 5 is a schematic position diagram of the steel backing and the automobile brake disc.
Detailed Description
As shown in figures 1-3, the multi-element alloy co-infiltrated steel backing for the automobile brake pad comprises a base plate 1, wherein the surface of the base plate 1, which is used for mounting the brake pad, is a braking surface, the braking surface of the base plate 1 is provided with a plurality of punch-formed convex ribs 2, and the inner side of the base plate 1 is bent towards the direction of the braking surface to form an early warning lug 3.
As shown in fig. 1 and 5, the base plate 1 includes a head end 4 and a tail end 5, in the braking process, the automobile brake disc 6 is screwed in from the head end 4 of the base plate 1, and is screwed out relative to the tail end 5 of the base plate 1, in fig. 5, the arrow D is the rotating direction of the automobile brake disc 6, the convex rib 2 is the V-shaped convex rib 2, the convex ribs 2 are arranged at intervals, and the openings of all the convex ribs 2 face the same end of the base plate 1, in this embodiment, the openings of all the convex ribs 2 face the head end 4 of the base plate 1, and the main stress surface of the brake pad to the convex ribs 2 is the inner side of the opening.
Protruding muscle 2 includes first sand grip 7 and second sand grip 8, and the contained angle of first sand grip 7 and second sand grip 8 is 90 degrees, and the handing-over department fillet of first sand grip 7 and second sand grip 8 is excessive. The fillet is excessive, the manufacturing of the rib pressing male die is convenient, and the service life of the rib pressing male die is prolonged.
Looking at in the range, protruding muscle 2 sets up along pitch arc 9 arrays, and first sand grip 7 and second sand grip 8 use the tangent line of pitch arc 9 as central line symmetric distribution, and is preferred, and the arc center of pitch arc 9 is concentric with the centre of a circle of car brake disc 6, guarantees the braking in-process, and the steel back is to the homogeneity of brake block effort.
As shown in fig. 4, the end of the early warning lug 3 is provided with an inclined plane 10, and an included angle between the normal direction of the inclined plane 10 and the direction of the friction force f borne by the early warning lug 3 in the friction early warning process is an obtuse angle, so that the contact area between the end of the early warning lug 3 and the automobile brake disc 6 is reduced.
Adopt above-mentioned technical scheme, protruding muscle 2 is direct to be stamped out on base plate 1 to convenient processing is convenient, and after stamping out protruding muscle 2, base plate 1's intensity can show the improvement, consequently can adopt thinner base plate 1, material saving cost also easy processing in stamping process. If the substrate 1 is thick, it can be processed by high-frequency heating and then hot stamping. The effect of early warning ear 3 is when the brake block grinds the needs change, and brake block thickness reduces, and the tip of early warning ear 3 also can contact with the brake disc in braking process, sends the metal friction sound of thorn ear to this reminds the driver need change the brake block, and early warning ear 3 adopts integrative bending forming for traditional installation in addition here, simplifies technology, improves production efficiency.
Protruding muscle of V-arrangement 2 is for the protruding muscle of linear type 2, its protruding position surface area is bigger, can increase the bonding area with the brake block, improve bonding strength, 2 shapes of protruding muscle are the V-arrangement, including two sand grips, in braking process, when the brake block has the trend for steel backing one side removal, the sand grip that is located this side will have the trend that prevents its removal, consequently can improve the reliability of bonding between brake block and the steel backing, and two sand grips that the symmetry set up, also can the homogeneity of atress between steel backing and the brake block.
In addition, after the steel backing is processed, firstly, the punching stress is eliminated, then the multi-element alloy co-infiltration is carried out, the multi-element alloy co-infiltration is a chemical heat treatment process that a workpiece is placed in an infiltration agent containing at least two elements to be infiltrated, and a plurality of elements are infiltrated into the surface of the workpiece through a one-time heating diffusion process, the multi-element alloy co-infiltration process enables the infiltrated metal elements to react with matrix metal to form a compound phase, so that an infiltration layer and the matrix are firmly combined, the combination strength is incomparable to the electroplating and hot galvanizing processes, and the infiltration layer has components and tissues different from the matrix metal, so that the surface of the workpiece obtains special performances, such as high temperature resistance, corrosion resistance, wear resistance and the like. The steel backing has severe working conditions and high strength requirement, and the multicomponent alloy co-infiltration technology is led out, so that the overall performance of the steel backing is improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, which may be modified, combined, and varied by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (9)
1. The utility model provides a many first alloy ooze car brake block steel backing altogether which characterized in that: the brake pad comprises a substrate, the face that the base plate is used for installing the brake block is the brake face, the brake face of base plate is equipped with a plurality of stamping forming's protruding muscle, a lateral direction of base plate brake face direction bending type becomes the early warning ear.
2. The multi-element alloy co-infiltrated steel backing for automobile brake pads according to claim 1, wherein: the base plate comprises a head end and a tail end, the convex ribs are V-shaped convex ribs, the convex ribs are arranged at intervals, and openings of all the convex ribs face to the same end of the base plate.
3. The multi-element alloy co-infiltrated steel backing for automobile brake pads according to claim 2, wherein: the openings of all the convex ribs face the head end of the base plate.
4. The multi-element alloy co-infiltrated steel backing for automobile brake pads according to claim 2, wherein: the protruding muscle includes first sand grip and second sand grip, the handing-over department fillet of first sand grip and second sand grip is excessive.
5. The multi-element alloy co-infiltrated steel backing for automobile brake pads according to claim 4, wherein: the included angle of the first protruding strip and the second protruding strip is 90 degrees.
6. The multi-element alloy co-infiltrated steel backing for automobile brake pads according to claim 4, wherein: the protruding muscle sets up along pitch arc array, and first sand grip and second sand grip use the tangent line of pitch arc as central line symmetric distribution.
7. The multi-element alloy co-infiltrated steel backing for automobile brake pads according to claim 6, wherein: the arc center of the arc line is concentric with the circle center of the automobile brake disc.
8. The multi-element alloy co-infiltrated steel backing for automobile brake pads according to claim 1, wherein: the early warning ear is arranged on the inner side surface of the substrate.
9. The multi-element alloy co-infiltrated steel backing for automobile brake pads according to claim 1 or 8, wherein: the end part of the early warning ear is provided with an inclined plane, and an included angle between the normal direction of the inclined plane and the direction of the friction force applied by the early warning ear in the friction early warning process is an obtuse angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921748301.7U CN210859628U (en) | 2019-10-18 | 2019-10-18 | Multi-element alloy co-infiltrated steel backing for automobile brake pad |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921748301.7U CN210859628U (en) | 2019-10-18 | 2019-10-18 | Multi-element alloy co-infiltrated steel backing for automobile brake pad |
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| CN210859628U true CN210859628U (en) | 2020-06-26 |
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| CN201921748301.7U Active CN210859628U (en) | 2019-10-18 | 2019-10-18 | Multi-element alloy co-infiltrated steel backing for automobile brake pad |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114346695A (en) * | 2022-03-21 | 2022-04-15 | 烟台兴创汽车配件有限公司 | Steel back barb device and method |
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2019
- 2019-10-18 CN CN201921748301.7U patent/CN210859628U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114346695A (en) * | 2022-03-21 | 2022-04-15 | 烟台兴创汽车配件有限公司 | Steel back barb device and method |
| CN114346695B (en) * | 2022-03-21 | 2022-08-09 | 烟台兴创汽车配件有限公司 | Steel back barb device and method |
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