Drum brake pad grinding and clamping device

Abstract

The utility model relates to the technical field of brake pad machining, in particular to a drum brake pad grinding and clamping device which comprises a bearing material box and two clamping units installed on the two opposite sides of the bearing material box correspondingly, each clamping unit comprises a supporting base, an inclined installation box, a bent clamping plate and a clamping servo power set, the inclined installation box is installed at the top of the supporting base, and the bent clamping plate is installed on the inclined installation box; the inner side, close to the bearing material box, of the inclined installation box is lower than the outer side, the bent clamping plates are assembled on the inclined installation box in a sliding mode, the clamping servo power set is installed on the inclined installation box, and the two bent clamping plates are matched to clamp the two sides of the drum type brake pad on the bearing material box when getting close to each other. According to the drum brake pad grinding and clamping device, the two bent clamping plates clamp the two sides of a drum brake pad on the bearing material box in a matched mode in the process that the two bent clamping plates get close to each other, the structure is firm, operation is stable, meanwhile, a large width gap is reserved between the two slidable bent clamping plates, the clamping range does not need to be manually adjusted, and the clamping efficiency is improved. Therefore, drum brake pads of different sizes can be clamped in a matched mode.

Description

Technical Field

[0001] The present application relates to the technical field of brake pad processing, and in particular to a drum brake pad grinding and clamping device. Background Art

[0002] Drum brake pads for automobiles are sheet products with curved structures. Since they are fixed on the brake hub for use as brakes, grinding of the inner curved surface is very important.

[0003] After searching, the Chinese patent with application number: 201811161845.3 discloses a device for processing and fixing the inner arc surface of a drum automobile brake pad, wherein the lateral sides of the strip-shaped base plate are respectively connected to the fixing plates, and the four corners above the fixing plates on both sides are respectively connected to inwardly inclined inclined block strips, and inclined blocks inclined inwardly are provided on the fixing plates between the inclined block strips, thereby forming a structure in which the brake pads can be placed with both sides bent upward, and clamping strips for adjusting the clamping of the brake pads through adjusting screw holes are provided above the inclined blocks on both sides, and a slide plate with a guide groove on the top is connected to the middle of the outer side of the fixing plate on one side, an adjusting slider is provided above the slide plate, and a cylinder for clamping the brake pads is provided above the adjusting slider.

[0004] With respect to the above-mentioned related technologies, the inventor believes that there are the following technical defects that need to be improved:

[0005] Common brake pad inner arc surface processing fixing devices require manual turning of the screws in the adjusting screw holes when adjusting the position of the clips to fit drum brake pads of different sizes. This is not only complicated to operate, but also has a relatively small adjustable range. It is not suitable for unconventional drum brake pads with larger widths. Utility Model Content

[0006] The present application provides a drum brake pad grinding and clamping device to improve the following technical problems:

[0007] Common brake pad inner arc surface processing fixing devices require manual turning of the screws in the adjusting screw holes when adjusting the position of the clips to fit drum brake pads of different sizes. This is not only complicated to operate, but also has a relatively small adjustable range. It is not suitable for unconventional drum brake pads with larger widths.

[0008] The present application provides a drum brake pad grinding and clamping device, which adopts the following technical solution:

[0009] A drum brake pad grinding and clamping device comprises a supporting material box and two groups of clamping units respectively installed on opposite sides of the supporting material box, the clamping unit comprises: a supporting seat, an inclined mounting box, a bending clamping plate and a clamping servo power group, the inclined mounting box is installed on the top of the supporting seat, the inner side of the inclined mounting box close to the supporting material box is lower than the outer side, the bending clamping plate is slidably assembled on the inclined mounting box, the clamping servo power group is installed on the inclined mounting box and drives the bending clamping plate to approach or move away from the supporting material box, the sliding direction of the bending clamping plate is perpendicular to the length direction of the supporting material box, and the two bending clamping plates cooperate to clamp the two sides of the drum brake pad on the supporting material box when they approach each other.

[0010] In an achievable technical solution of the present application, the supporting material box includes a bottom plate and two side plates, the two side plates are vertically fixed on the bottom plate and arranged in parallel with each other, the drum brake pad is horizontally placed on the top of the two side plates, and the spacing between the two side plates is smaller than the width of the drum brake pad.

[0011] In an achievable technical solution of the present application, a supporting surface is provided on the top of the side panel and is arranged tilted from both sides toward the middle, and the tilt angle between the supporting surface and the bottom panel is between 10-15 degrees.

[0012] In an achievable technical solution of the present application, the bending clamp includes a clamp body and a rubber protection plate, and the rubber protection plate is fixed to a side of the clamp body close to the supporting material box by bolts.

[0013] In an achievable technical solution of the present application, the inclined mounting box includes a box body and a box cover, the box cover is fixedly connected to the bending clamp, the length of the side panel of the box body is adjustable, the side panel includes a connecting plate and two retractable folding elastic plates, and the connecting plate is arranged between the two folding elastic plates.

[0014] In an achievable technical solution of the present application, two sets of inclined slide rails are arranged between the box cover and the inner bottom wall of the box body, and the box cover is slidably connected to the box body via the inclined slide rails.

[0015] In an achievable technical solution of the present application, the clamping servo power group includes a servo motor, a screw and a sliding block. The screw is rotatably assembled on the inner bottom wall of the box body, the screw and the sliding block are threadedly assembled, the screw passes through the sliding block, the sliding block is fixedly connected to the box cover, the servo motor is fixed on the outer end of the box body, and the output shaft of the servo motor is connected to the screw.

[0016] In a feasible technical solution of the present application, the support base includes a hollow bottom box and a hollow column, and the hollow column is fixed on the hollow bottom box.

[0017] In summary, the present application includes at least one of the following beneficial technical effects:

[0018] When the drum brake pad is placed horizontally on the supporting box, the clamping servo power group is started to drive the bending clamp plate to slide toward the supporting box, so that the two bending clamp plates can cooperate to clamp the two sides of the drum brake pad on the supporting box when they approach each other. At this time, the inner arc surface of the drum brake pad is arranged upward, which is convenient for grinding. It has a firm structure and stable operation. At the same time, a large width gap is reserved between the two sliding bending clamp plates. There is no need to manually adjust the clamping range, so it can adapt to clamp drum brake pads of different sizes. The operation is simpler and the degree of automation is higher. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0020] Figure 1 It is a schematic structural diagram of a drum brake pad grinding and clamping device according to an embodiment of the present application.

[0021] Description of reference numerals:

[0022] 1. Supporting material box; 11. Bottom plate; 12. Side plate; 121. Supporting surface; 2. Support seat; 21. Hollow bottom box; 22. Hollow column; 3. Inclined mounting box; 31. Box body; 311. Connecting plate; 312. Folding elastic plate; 32. Box cover; 4. Bending splint; 41. Splint body; 42. Rubber protection plate; 5. Clamping servo power group; 51. Servo motor; 52. Screw rod; 53. Sliding block; 6. Inclined slide rail. DETAILED DESCRIPTION

[0023] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0024] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0025] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present application 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 should not be understood as a limitation on the present application.

[0026] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0027] The following is combined with Figure 1 This application is described in further detail.

[0028] The present application embodiment discloses a drum brake pad grinding and clamping device. Figure 1 The drum brake pad grinding clamping device includes a supporting material box 1 and two groups of clamping units respectively installed on opposite sides of the supporting material box 1, the clamping unit includes: a supporting seat 2, an inclined mounting box 3, a bending clamping plate 4 and a clamping servo power group 5, the inclined mounting box 3 is installed on the top of the supporting seat 2, the inner side of the inclined mounting box 3 close to the supporting material box 1 is lower than the outer side, the bending clamping plate 4 is slidably assembled on the inclined mounting box 3, the clamping servo power group 5 is installed on the inclined mounting box 3 and drives the bending clamping plate 4 to approach or move away from the supporting material box 1, the sliding direction of the bending clamping plate 4 is perpendicular to the length direction of the supporting material box 1, and the two bending clamping plates 4 cooperate to clamp the two sides of the drum brake pad on the supporting material box 1 when they are close to each other.

[0029] The beneficial technical effects of the drum brake pad grinding and clamping device of the embodiment of the present application are roughly as follows:

[0030] When the drum brake pad is placed horizontally on the supporting material box 1, the clamping servo power group 5 is started to drive the bending clamp plate 4 to slide toward the supporting material box 1, so that the two bending clamp plates 4 cooperate to clamp the two sides of the drum brake pad on the supporting material box 1 when the two bending clamp plates 4 approach each other. At this time, the inner arc surface of the drum brake pad is arranged upward, which is convenient for grinding, and the structure is firm and the operation is stable. At the same time, a large width gap is reserved between the two slidable bending clamp plates 4, and there is no need to manually adjust the clamping range. It can adapt to clamp drum brake pads of different sizes, which makes the operation simpler and the degree of automation higher.

[0031] In this embodiment, in order to simplify the structure of the supporting material box 1 and save manufacturing costs, the supporting material box 1 includes a bottom plate 11 and two side plates 12, the two side plates 12 are vertically fixed on the bottom plate 11 and arranged in parallel at intervals, the drum brake pad is horizontally placed on the top of the two side plates 12, and the spacing between the two side plates 12 is smaller than the width of the drum brake pad, wherein the top of the side plate 12 is provided with a supporting surface 121 inclined from both sides toward the middle, the inclination angle between the supporting surface 121 and the bottom plate 11 is between 10-15 degrees, the inclined supporting surface 121 can better fit the outer arc surface of the drum brake pad, and thus the drum brake pad is more stable when placed on the supporting material box 1.

[0032] In order to protect the side of the drum brake pad from being pinched, the bent clamp 4 includes a clamp body 41 and a rubber protection plate 42. The rubber protection plate 42 is fixed to the side of the clamp body 41 close to the supporting material box 1 by bolts, and the rubber protection plate 42 has the characteristic of elastic deformation.

[0033] In this embodiment, the inclined installation box 3 includes a box body 31 and a box cover 32, the box cover 32 is fixedly connected to the bending clamp 4, the length of the side panel of the box body 31 is adjustable, the side panel includes a connecting plate 311 and two retractable folding elastic plates 312, and the connecting plate 311 is arranged between the two folding elastic plates 312.

[0034] The inclined installation box 3 designed as above has a simple structure and can ensure that grinding debris is not easily accumulated inside the box body 31 during grinding processing.

[0035] In order to ensure that the bending clamp 4 and the box cover 32 can slide stably and are not easily skewed, two sets of inclined slide rails 6 are arranged between the box cover 32 and the inner bottom wall of the box body 31, and the box cover 32 is slidably connected to the box body 31 through the inclined slide rails 6.

[0036] In this embodiment, the clamping servo power group 5 includes a servo motor 51, a screw rod 52 and a sliding block 53. The screw rod 52 is rotatably assembled on the inner bottom wall of the box body 31. The screw rod 52 and the sliding block 53 are threadedly assembled. The screw rod 52 passes through the sliding block 53. The sliding block 53 is fixedly connected to the box cover 32. The servo motor 51 is fixed on the outer end of the box body 31, and the output shaft of the servo motor 51 is connected to the screw rod 52.

[0037] The clamping servo power unit 5 designed above has a simple structure, stable operation, and relatively low difficulty in purchasing and installing accessories.

[0038] In order to reduce the weight of the support base 2 and to reduce the pressure on the side of the supporting material box 1 , the support base 2 includes a hollow bottom box 21 and a hollow column 22 , and the hollow column 22 is fixed on the hollow bottom box 21 .

[0039] The above description is only a preferred embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the application should be included in the protection scope of the present application.

Claims

1. A drum brake pad grinding and clamping device, characterized in that: It comprises a supporting material box (1) and two groups of clamping units respectively installed on opposite sides of the supporting material box (1), the clamping unit comprising: a supporting seat (2), an inclined mounting box (3), a bending clamping plate (4) and a clamping servo power group (5), the inclined mounting box (3) is installed on the top of the supporting seat (2), the inner side of the inclined mounting box (3) close to the supporting material box (1) is lower than the outer side, the bending clamping plate (4) is slidably assembled on the inclined mounting box (3), the clamping servo power group (5) is installed on the inclined mounting box (3) and drives the bending clamping plate (4) to approach or move away from the supporting material box (1), the sliding direction of the bending clamping plate (4) is perpendicular to the length direction of the supporting material box (1), and the two bending clamping plates (4) cooperate to clamp the two sides of the drum brake pad on the supporting material box (1) when they are close to each other.

2. The drum brake pad grinding and clamping device according to claim 1, characterized in that: The supporting material box (1) comprises a bottom plate (11) and two side plates (12), wherein the two side plates (12) are vertically fixed on the bottom plate (11) and arranged in parallel with each other, and the drum brake pad is horizontally placed on top of the two side plates (12), and the spacing between the two side plates (12) is smaller than the width of the drum brake pad.

3. The drum brake pad grinding and clamping device according to claim 2, characterized in that: The top of the side plate (12) is provided with a supporting surface (121) which is arranged obliquely from both sides toward the middle, and the oblique angle between the supporting surface (121) and the bottom plate (11) is between 10 and 15 degrees.

4. The drum brake pad grinding and clamping device according to claim 1, characterized in that: The bending clamp (4) comprises a clamp body (41) and a rubber protection plate (42), and the rubber protection plate (42) is fixed to a side of the clamp body (41) close to the supporting material box (1) by means of bolts.

5. The drum brake pad grinding and clamping device according to claim 1, characterized in that: The inclined installation box (3) comprises a box body (31) and a box cover (32), wherein the box cover (32) is fixedly connected to the bending clamp (4), and the length of the side plate of the box body (31) is adjustable, wherein the side plate comprises a connecting plate (311) and two retractable folding elastic plates (312), wherein the connecting plate (311) is arranged between the two folding elastic plates (312).

6. The drum brake pad grinding and clamping device according to claim 5, characterized in that: Two groups of inclined slide rails (6) are arranged between the box cover (32) and the inner bottom wall of the box body (31), and the box cover (32) is slidably connected to the box body (31) via the inclined slide rails (6).

7. The drum brake pad grinding and clamping device according to claim 5, characterized in that: The clamping servo power group (5) comprises a servo motor (51), a screw rod (52) and a sliding block (53); the screw rod (52) is rotatably mounted on the inner bottom wall of the box body (31); the screw rod (52) and the sliding block (53) are threadedly assembled; the screw rod (52) passes through the sliding block (53); the sliding block (53) is fixedly connected to the box cover (32); the servo motor (51) is fixed on the outer end of the box body (31); and the output shaft of the servo motor (51) is connected to the screw rod (52).

8. The drum brake pad grinding and clamping device according to claim 1, characterized in that: The support seat (2) comprises a hollow bottom box (21) and a hollow column (22), wherein the hollow column (22) is fixed on the hollow bottom box (21).

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