Steel backing and continuous forming die of steel backing

Abstract

The utility model discloses a steel backing and steel backing continuous forming die, the steel backing main body is provided with a friction surface, the friction surface is provided with a plurality of form relieved tooth rows which are arranged at intervals, any form relieved tooth row comprises a plurality of form relieved tooth parts which are linearly arranged at intervals, and each form relieved tooth part comprises a form relieved groove and form relieved teeth located at one side of the form relieved groove. The form relieved teeth of the multiple form relieved tooth parts of the form relieved tooth rows are arranged in the same direction, the arrangement directions of the form relieved teeth of the form relieved tooth parts on any adjacent form relieved tooth rows are opposite, and the steel backing continuous forming die meets the continuous stepping forming requirement of a steel backing through the design of an outer contour stamping station, a first form relieved tooth row forming station, a second form relieved tooth row forming station and a workpiece cutting and discharging station. According to the utility model, through the arrangement and design of the form relieved tooth parts, the stress of the form relieved teeth is more uniform and reliable, the structural strength is guaranteed, and the effective service life of the steel backing is prolonged. The step-by-step forming requirement of the relieved teeth is met, and production is efficient, coherent and stable. The shovel tooth part forming mechanism can achieve flat shovel displacement conversion through the stamping stroke, the structure is ingenious, and operation is smooth and efficient.

Description

Technical Field

[0001] The utility model relates to a continuous forming die for a steel back, belonging to the technical field of steel backs and steel back forming. Background Art

[0002] The steel back is a structural component of the brake pad. The steel back mainly plays a fixing role. The braking process is mainly to generate friction through pressure between the fixed brake pad and the brake disc that rotates with the wheel to achieve the purpose of braking. The friction is generated by the friction between the steel back and the brake disc. One force is to prevent the wheel from rotating and brake, and the opposite force acts on the car to generate torque. This force is transmitted to the car through the steel back.

[0003] There is a friction surface on the steel back. In traditional technology, most powdered friction materials are used, that is, they are pressed onto the steel back to form a solid through chemical and physical reactions under high temperature and high pressure.

[0004] The strength of the formed solid structure of this type of steel back is insufficient, especially during large and heavy braking, the wear loss is very high. To address this problem, the prior art includes riveting pins and forming metal teeth on the steel back. Among them, the assembly and processing of riveting pins are relatively difficult, and the metal tooth forming method generally uses a shovel tooth fixture or manual method, which has poor quality stability and low efficiency, and the braking effect of the shovel tooth arrangement is also insufficient. Utility Model Content

[0005] The utility model aims to solve the above-mentioned deficiencies of the prior art, and proposes a continuous forming die for a steel back in view of the problems of the layout and forming defects of the shovel teeth on the traditional steel back.

[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0007] A steel back comprises a steel back main body, wherein a friction surface is provided on the steel back main body.

[0008] The friction surface is provided with a plurality of shovel tooth rows arranged at intervals, and any of the shovel tooth rows includes a plurality of shovel tooth portions arranged at intervals in a linear manner, and the shovel tooth portion includes a shovel groove and a shovel tooth located on one side of the shovel groove.

[0009] The shovel teeth of the plurality of shovel tooth portions of the shovel tooth row are arranged in the same direction, and the shovel teeth of the shovel tooth portions on any adjacent shovel tooth rows are arranged in opposite directions.

[0010] Preferably, the shovel teeth on any adjacent shovel tooth rows are staggered.

[0011] The utility model also proposes a continuous forming die for a steel back, comprising a continuous forming bottom die, a continuous stamping top die, an outer contour stamping station arranged between the continuous forming bottom die and the continuous stamping top die, a first shovel tooth row forming station, a second shovel tooth row forming station, and a workpiece cutting and unloading station arranged in sequence along the stepping displacement direction of the material belt.

[0012] The outer contour stamping station comprises a contour forming groove arranged on the continuous forming bottom die, and a contour punching block arranged on the continuous stamping top die and matched with the contour forming groove;

[0013] The first shovel tooth row forming station and the second shovel tooth row forming station respectively include a plurality of shovel tooth portion forming mechanisms arranged on the continuous stamping top die for forming the shovel tooth portion;

[0014] The workpiece cutting and unloading station includes a punching groove arranged on the continuous forming bottom die, and a punching block arranged on the continuous stamping top die and matched with the punching groove;

[0015] The shovel tooth forming mechanism includes a shovel tooth forming slider with lifting displacement and horizontal displacement arranged on the continuous stamping top die, and the horizontal displacement direction of the shovel tooth forming slider on the first shovel tooth row forming station is opposite to the horizontal displacement direction of the shovel tooth forming slider on the second shovel tooth row forming station.

[0016] Preferably, the scraped tooth forming mechanism comprises an auxiliary pressing block with lifting and floating displacement arranged on the continuous stamping top die, and the auxiliary pressing block is provided with an elastic body horizontally floatingly connected to the scraped tooth forming slider.

[0017] The continuous stamping top die is provided with a driving source for driving the scraping tooth forming slider to move horizontally.

[0018] Preferably, the driving source is a plunger having a driving inclined wall surface, and the scraped tooth forming slider is provided with a matching inclined wall surface for matching with the driving inclined wall surface.

[0019] Preferably, the shovel-tooth forming slider includes a slider body connected to the elastic body, and a piercing end arranged on the slider body for piercing into the steel back body.

[0020] Preferably, the first shovel tooth row forming station is composed of a plurality of first shovel tooth forming sub-stations, and any of the first shovel tooth forming sub-stations comprises at least one shovel tooth portion forming mechanism arranged on the continuous stamping top die;

[0021] The second shovel tooth row forming station is composed of a plurality of second shovel tooth forming sub-stations, and any of the second shovel tooth forming sub-stations includes at least one shovel tooth portion forming mechanism arranged on the continuous stamping top die.

[0022] The beneficial effects of the utility model are mainly reflected in:

[0023] 1. Through the arrangement and design of the shovel teeth on the friction surface of the steel back, the shovel teeth are subjected to force more evenly and reliably, the structural strength is guaranteed, and the effective service life of the steel back is improved.

[0024] 2. It can realize the continuous stamping forming of the steel back and meet the step-by-step forming requirements of the shovel teeth on it, with efficient, continuous and stable production.

[0025] 3. The shovel tooth forming mechanism can realize the flat shovel displacement conversion by utilizing the stamping stroke. The structure is ingenious and the operation is smooth and efficient. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Other features, objects and advantages of the present application will become more apparent by reading the detailed description of non-limiting embodiments made with reference to the following drawings:

[0027] Figure 1 The utility model is a structural schematic diagram of a steel back.

[0028] Figure 2 The utility model is a structural schematic diagram of a steel back continuous forming die.

[0029] Figure 3 The utility model is a structural schematic diagram of a continuous forming bottom mold in a steel back continuous forming mold.

[0030] Figure 4 The utility model is a structural schematic diagram of a continuous forming top die in a steel back continuous forming die.

[0031] Figure 5 The utility model is a schematic diagram of the forming structure of a material strip in a steel back continuous forming die.

[0032] Figure 6 The utility model is a structural schematic diagram of a scraper tooth forming mechanism in a steel back continuous forming die.

[0033] Figure 7 It is a structural schematic diagram of the utility model in which the shovel tooth forming mechanism is built into the steel back continuous forming die.

[0034] Figure 8 It is a schematic diagram of the piercing end contacting the steel back in the utility model.

[0035] Fig. 9 It is a schematic diagram of the utility model in which the piercing end pierces the steel back for flat shoveling. DETAILED DESCRIPTION

[0036] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment 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.

[0037] The present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the relevant utility model, rather than to limit the utility model. It is also necessary to explain that, for ease of description, only the parts related to the relevant utility model are shown in the accompanying drawings. It should be noted that, in the absence of conflict, the embodiments in the present application and the features in the embodiments can be combined with each other.

[0038] The utility model provides a steel back, such as Figure 1 As shown, it includes a steel back body 1, a friction surface 10 is provided on the steel back body 1, and a plurality of shovel tooth rows 2 are arranged at intervals on the friction surface 10. Any shovel tooth row 2 includes a plurality of shovel tooth parts 20 arranged at linear intervals, and the shovel tooth part 20 includes a shovel groove 21 and a shovel tooth 22 located on one side of the shovel groove.

[0039] The scraping teeth 22 of the plurality of scraping tooth portions 20 of the scraping tooth row 2 are arranged in the same direction, and the scraping teeth of the scraping tooth portions on any adjacent scraping tooth rows are arranged in opposite directions.

[0040] Specific implementation process and principle description:

[0041] The layout design of combining a whole row of continuous shovel teeth 22 arranged in the same direction with adjacent shovel teeth 22 arranged in the opposite direction can provide better stability of the friction surface 10 under the action of the relative rotational torque of the brake, and it is not easy to cause the shovel teeth 22 to break, thereby ensuring its high structural strength and greatly extending the effective service life of the steel back.

[0042] In a specific embodiment, Figure 2 As shown, the shovel teeth 22 on any adjacent shovel tooth rows are staggered.

[0043] Such a design allows the shovel teeth 22 to be subjected to a more uniform force, and is less likely to be deformed and fractured due to excessive local torque, thereby ensuring uniform and reliable contact.

[0044] like Figures 2 to 9As shown, a continuous forming mold for a steel back is disclosed, including a continuous forming bottom mold 3, a continuous stamping top mold 4, an outer contour stamping station 5 arranged between the continuous forming bottom mold and the continuous stamping top mold and arranged in sequence along the step displacement direction of the material strip 100, a first shovel tooth row forming station 6, a second shovel tooth row forming station 7, and a workpiece cutting and unloading station 8.

[0045] The outer contour punching station 5 comprises a contour forming groove 51 arranged on the continuous forming bottom die, and a contour punching block 52 arranged on the continuous punching top die and matched with the contour forming groove.

[0046] The first shovel tooth row forming station and the second shovel tooth row forming station respectively include a plurality of shovel tooth portion forming mechanisms 9 arranged on the continuous stamping top die for forming the shovel tooth portion 20 .

[0047] The workpiece cutting and unloading station 8 comprises a punching groove 81 arranged on the continuous forming bottom die and a punching block 82 arranged on the continuous stamping top die and matched with the punching groove.

[0048] The shovel tooth forming mechanism 9 includes a shovel tooth forming slider 90 with lifting displacement and horizontal displacement arranged on the continuous stamping top die. The horizontal displacement direction of the shovel tooth forming slider on the first shovel tooth row forming station is opposite to the horizontal displacement direction of the shovel tooth forming slider on the second shovel tooth row forming station.

[0049] Specific implementation process and principle description:

[0050] like Figures 2 to 5 As shown, when the material strip 100 passes through the outer contour punching station 5 , the contour punching block 52 passes through the material strip 100 and cooperates with the contour forming groove 51 to form a contour hollow 110 on the material strip 100 .

[0051] When passing through the first shovel tooth row forming station, the shovel tooth forming sliders 90 of the shovel tooth forming mechanisms 9 form shovel grooves and shovel teeth in the first direction on the material strip 100. When passing through the second shovel tooth row forming station, the shovel tooth forming sliders 90 of the shovel tooth forming mechanisms 9 form shovel grooves and shovel teeth in the second direction on the material strip 100.

[0052] The scraping tooth parts are processed in two directions, so that the scraping tooth part forming mechanisms 9 of the first scraping tooth row forming station and the second scraping tooth row forming station can realize the mold mounting without interfering with each other, thereby realizing the forming of the opposite scraping tooth parts in steps.

[0053] Finally, at the workpiece cutting and unloading station 8, the finished product and the material strip are separated by the cooperation of the punching groove 81 and the punching block 82, thereby realizing continuous unloading.

[0054] In a specific embodiment, Figures 6 to 9As shown, the shovel tooth forming mechanism 9 includes an auxiliary pressure block 91 with lifting and floating displacement arranged on the continuous stamping top die, the auxiliary pressure block 91 is provided with an elastic body 92 which is horizontally floatingly connected to the shovel tooth forming slider, and the continuous stamping top die is provided with a driving source 93 for driving the shovel tooth forming slider to move horizontally.

[0055] That is, the shovel-tooth forming slider 90 can be inserted into the steel back by opening and closing the mold, and the driving source 93 can be used to flat-shovel the shovel-tooth forming slider 90, thereby forming a shovel groove and shovel teeth on the steel back.

[0056] In a specific embodiment, the driving source 93 is a plunger with a driving inclined wall surface, and the scraping tooth forming slider is provided with a matching inclined wall surface for matching with the driving inclined wall surface.

[0057] Specifically, the driving source 93 used in this embodiment is a horizontal displacement conversion using the mold closing stroke, which can reduce the cost of the driving source 93, and meet the needs of scraping tooth forming through the force and stroke of stamping. Of course, a driving source such as oil pressure can also be used to drive the flat scraper of the scraping tooth forming slider 90. Only the mechanism and driving source that need to meet the flat scraper drive of the scraping tooth forming slider 90 are within the protection scope of this case.

[0058] In a specific embodiment, the scoop-tooth forming slider 90 includes a slider body connected to the elastic body, and a piercing end arranged on the slider body for piercing into the steel back body.

[0059] Specifically, Figure 7 As shown in the figure, in the mold separation state, the auxiliary pressure block is in a state of self-weight separation. At this time, the piercing end does not contact the steel back. When the tooth part is formed, during the mold closing process, Figure 8 As shown in the figure, the piercing end first contacts the steel back, and as the mold closing continues, it will penetrate into the steel back. Fig. 9 As shown, as it continues to move downward, the inserting cutter drives the tooth-scraping forming slider 90 to perform a flat-scraping operation. The above process is completed during one stamping stroke of the continuous die, and the tooth-scraping forming slider 90 is reset after completion.

[0060] The piercing end can pierce the steel plate, and the slider body is mainly used for power matching, so as to meet the structural strength requirements of the piercing and flat shovel, and at the same time the force transmission is reliable and stable.

[0061] In a specific embodiment, referring to Figures 2 to 5As shown, the first shovel tooth row forming station 6 is composed of a plurality of first shovel tooth forming sub-stations 60, and any first shovel tooth forming sub-station includes at least one shovel tooth part forming mechanism arranged on the continuous stamping top die; the second shovel tooth row forming station is composed of a plurality of second shovel tooth forming sub-stations 70, and any second shovel tooth forming sub-station includes at least one of the shovel tooth part forming mechanism arranged on the continuous stamping top die.

[0062] Reference Figure 1 and Figure 5 As shown, there are various specifications of spacing between the shovel tooth rows 2. In order to ensure that the shovel tooth forming mechanisms 9 cooperate without interfering with each other, a composition design of a first shovel tooth forming sub-station 60 and a second shovel tooth forming sub-station 70 is adopted. In this way, the forming requirements of relatively dense shovel tooth row 2 products can be met. At the same time, the dense shovel tooth parts on the shovel tooth row can also be continuously and step-by-step formed by means of molecular stations to meet the online continuous forming requirements.

[0063] From the above description, it can be found that the utility model arranges and designs the shovel teeth on the friction surface of the steel back, so that the shovel teeth are subjected to force more evenly and reliably, the structural strength is guaranteed, and the effective service life of the steel back is improved. It can realize the continuous stamping forming of the steel back, meet the step-by-step forming requirements of the shovel teeth thereon, and produce efficiently, coherently and stably. The use of the shovel tooth forming mechanism can realize the flat shovel displacement conversion by utilizing the stamping stroke, and the structure is ingenious and the operation is smooth and efficient.

[0064] The term "comprise" or any other similar term is intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus / device that includes a list of elements includes not only those elements but also other elements not expressly listed, or also includes elements inherent to such process, method, article, or apparatus / device.

[0065] So far, the technical solution of the present invention has been described in conjunction with the preferred embodiments shown in the accompanying drawings. However, it is easy for those skilled in the art to understand that the protection scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present invention.

Claims

1. A continuous forming die for a steel back, the steel back comprising a steel back body, a friction surface being provided on the steel back body, a plurality of shovel tooth rows being arranged at intervals on the friction surface, any of the shovel tooth rows comprising a plurality of shovel tooth portions being arranged at intervals linearly, the shovel tooth portions comprising a shovel groove and shovel teeth located on one side of the shovel groove, The shovel teeth of the plurality of shovel tooth portions of the shovel tooth row are arranged in the same direction, and the shovel teeth of the shovel tooth portions on any adjacent shovel tooth rows are arranged in opposite directions; Features: It includes a continuous forming bottom die, a continuous stamping top die, an outer contour stamping station arranged between the continuous forming bottom die and the continuous stamping top die and arranged in sequence along the stepping displacement direction of the material belt, a first shovel tooth row forming station, a second shovel tooth row forming station, and a workpiece cutting and unloading station. The outer contour stamping station comprises a contour forming groove arranged on the continuous forming bottom die, and a contour punching block arranged on the continuous stamping top die and matched with the contour forming groove; The first shovel tooth row forming station and the second shovel tooth row forming station respectively include a plurality of shovel tooth portion forming mechanisms arranged on the continuous stamping top die for forming the shovel tooth portion; The workpiece cutting and unloading station includes a punching groove arranged on the continuous forming bottom die, and a punching block arranged on the continuous stamping top die and matched with the punching groove; The shovel tooth forming mechanism includes a shovel tooth forming slider with lifting displacement and horizontal displacement arranged on the continuous stamping top die, and the horizontal displacement direction of the shovel tooth forming slider on the first shovel tooth row forming station is opposite to the horizontal displacement direction of the shovel tooth forming slider on the second shovel tooth row forming station.

2. A continuous forming die for a steel back according to claim 1, characterized in that: The scraped tooth forming mechanism comprises an auxiliary pressing block with lifting and floating displacement arranged on the continuous stamping top die, and the auxiliary pressing block is provided with an elastic body horizontally floatingly connected to the scraped tooth forming slider. The continuous stamping top die is provided with a driving source for driving the scraping tooth forming slider to move horizontally.

3. A continuous forming die for a steel back according to claim 2, characterized in that: The driving source is a plunger with a driving inclined wall surface, and the scraping tooth forming slider is provided with a matching inclined wall surface for matching with the driving inclined wall surface.

4. The continuous forming die for a steel back according to claim 2, characterized in that: The shovel-tooth forming slider comprises a slider body connected to the elastic body, and a piercing end arranged on the slider body and used for piercing into the steel back body.

5. The continuous forming die for steel back according to claim 1, characterized in that: The first shovel tooth row forming station is composed of a plurality of first shovel tooth forming sub-stations, and any of the first shovel tooth forming sub-stations includes at least one shovel tooth part forming mechanism arranged on the continuous stamping top die; the second shovel tooth row forming station is composed of a plurality of second shovel tooth forming sub-stations, and any of the second shovel tooth forming sub-stations includes at least one shovel tooth part forming mechanism arranged on the continuous stamping top die.

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