Bimetal brake drum blank inner surface treatment device

Abstract

The utility model discloses a bimetal brake drum blank inner surface treatment device, which relates to the technical field of brake drum processing, and comprises a processing table, four supporting seats are arranged on the bottom surface of the processing table, a fixing unit is connected to the upper surface of the processing table, a brake drum blank is connected to the surface of the fixing unit, and the brake drum blank is connected to the upper surface of the processing table. A machining unit is arranged on the upper surface of the machining table and located on one side of a brake drum blank, an adjusting lead screw, a fixing base and a movable block of the device are matched with a first folding plate, a second folding plate and a guide groove, the brake drum blank is limited and fixed, the structure is easy to operate, the brake drum blank is rapidly fixed and limited, and the machining efficiency is improved. And through cooperation of a driving motor, a machining fixing disc, a first lead screw, a first cleaning block, a second lead screw and a second cleaning block, the inner surface of the brake drum blank can be rapidly cleaned and machined, and burr removal machining of the inner surface is achieved.

Description

Technical Field

[0001] The utility model relates to the field of brake drum processing, in particular to a device for processing the inner surface of a bimetallic brake drum blank. Background Technique

[0002] The brake drum is one of the components of the drum brake. Most brake drums are processed by one-time casting. The burrs on the inner and outer surfaces of the cast brake drum blank need to be further cleaned and processed to improve the accuracy of subsequent processing and assembly. For example, the Chinese patent discloses a device for cleaning the inner surface of a bimetallic brake drum blank (publication number CN206253748U). Although this cleaning device can efficiently clean and process the inner surface of the brake drum, due to the various model sizes of the brake drums, it is inconvenient to quickly disassemble and fix the brake drum blanks of different model sizes during processing. The complex fixing structure is slow in disassembly and assembly, thus affecting the processing efficiency. Content of the Utility Model

[0003] Aiming at the deficiencies of the prior art, the utility model provides a device for processing the inner surface of a bimetallic brake drum blank, which solves the problems put forward in the above background technique.

[0004] To achieve the above object, the utility model is realized through the following technical solutions: A device for processing the inner surface of a bimetallic brake drum blank, including a processing table: four support seats are arranged on the bottom surface of the processing table, a fixing unit is connected to the upper surface of the processing table, a brake drum blank is connected to the surface of the fixing unit, and a processing unit is arranged on the upper surface of the processing table and on one side of the brake drum blank;

[0005] The fixing unit includes a driving motor, the driving end of the driving motor is connected to a processing fixing disk, a fixing seat is connected to the upper surface of the processing fixing disk, an adjusting screw rod penetrates through the top surface of the fixing seat, and a movable block is connected to the outer surface of the adjusting screw rod and inside the inner side wall of the fixing seat.

[0006] As a further technical solution of the utility model, the processing unit includes a fixing plate, a connecting frame is connected to one side surface of the fixing plate, a second screw rod penetrates through the surface of one end of the connecting frame, and second cleaning blocks are connected to the outer surface of the second screw rod and on both the upper and lower sides of the connecting frame.

[0007] As a further technical solution of the utility model, three connecting heads are annularly connected to the outer surface of the movable block, three guiding seats are annularly arranged on the outer surface of the fixing seat, and first folding plates are connected to the inner side walls of the three connecting heads.

[0008] As a further technical solution of the present utility model, one end of each of the three first folding plates is connected to a second folding plate, one end of the second folding plate is connected to the inner side wall of the guiding seat, two guiding grooves are provided at the corresponding positions of the inner side wall of the guiding seat and the sliding path of one end of the first folding plate, and the inside of the guiding seat communicates with the inside of the fixed seat.

[0009] As a further technical solution of the present utility model, a first lead screw penetrates through the top end of the fixed plate, one end of the first lead screw is connected with a first cleaning block on the outer surface, cutting edges are provided on one side surfaces of the first cleaning block and the second cleaning block, the second cleaning block is connected to the fixed plate through a second lead screw and a connecting frame, and the first cleaning block is connected to the fixed plate through the first lead screw.

[0010] As a further technical solution of the present utility model, the inner diameter size of the fixed seat is adapted to the sliding path of the movable block, the inner diameter size of the guiding groove is adapted to the sliding path of the first folding plate, and the inner diameter size of the guiding seat is adapted to the outer diameter size of the second folding plate.

[0011] The present utility model provides an inner surface treatment device for a bimetallic brake drum blank, and has the following beneficial effects compared with the prior art:

[0012] 1. For the inner surface treatment device of the bimetallic brake drum blank designed in this way, by adjusting the cooperation between the adjusting lead screw, the fixed seat, the movable block, the first folding plate, the second folding plate and the guiding groove, the brake drum blank can be limited and fixed through the folding and retracting effects of the three groups of first folding plates and second folding plates. This structure is simple to operate, can quickly fix and limit the brake drum blank, and improves the processing efficiency of the fixed brake blank.

[0013] For the inner surface treatment device of the bimetallic brake drum blank designed in this way, through the cooperation between the driving motor, the processing fixed disk, the first lead screw, the first cleaning block, the second lead screw and the second cleaning block, the inner surface of the brake drum blank can be quickly cleaned and processed, and the deburring processing of the inner surface can be realized. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic structural diagram of an inner surface treatment device for a bimetallic brake drum blank;

[0015] Figure 2 It is a top view of an inner surface treatment device for a bimetallic brake drum blank;

[0016] Figure 3 It is an inner surface treatment device for a bimetallic brake drum blank Figure 2 A-A cross-sectional view in;

[0017] Figure 4For an inner surface treatment device of a bimetallic brake drum blank Figure 3 An enlarged view of A in

[0018] Figure 5 It is a schematic diagram of the internal structure of a processing unit of an inner surface treatment device for a bimetallic brake drum blank.

[0019] In the figure: 1, processing table; 2, support seat; 3, brake drum blank; 4, processing unit; 41, fixed plate; 42, connecting frame; 43, first lead screw; 44, first cleaning block; 45, second lead screw; 46, second cleaning block; 5, fixing unit; 51, driving motor; 52, processing fixing disk; 53, fixing seat; 54, adjusting lead screw; 55, movable block; 56, guiding seat; 57, connecting head; 58, first folding plate; 59, second folding plate; 501, guiding groove. Specific implementation mode

[0020] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0021] Please refer to Figures 1-4 , the present invention provides a technical solution for an inner surface treatment device of a bimetallic brake drum blank: including a processing table 1, four support seats 2 are arranged on the bottom surface of the processing table 1, a fixing unit 5 is connected to the upper surface of the processing table 1, a brake drum blank 3 is connected to the surface of the fixing unit 5, a processing unit 4 is arranged on the upper surface of the processing table 1 and on one side of the brake drum blank 3, the fixing unit 5 includes a driving motor 51, the driving end of the driving motor 51 is connected to a processing fixing disk 52, a fixing seat 53 is connected to the upper surface of the processing fixing disk 52, an adjusting lead screw 54 penetrates through the top surface of the fixing seat 53, and a movable block 55 is connected to the outer surface of the adjusting lead screw 54 and inside the inner side wall of the fixing seat 53.

[0022] As Figures 1-4As shown in the figure, the processing unit 4 includes a fixed plate 41. One side surface of the fixed plate 41 is connected with a connecting frame 42. The surface of one end of the connecting frame 42 is penetrated and connected with a second lead screw 45. On the upper and lower sides of the connecting frame 42 on the outer surface of the second lead screw 45, second cleaning blocks 46 are connected. The top end of the fixed plate 41 is penetrated and connected with a first lead screw 43. One end outer surface of the first lead screw 43 is connected with a first cleaning block 44. One side surfaces of the first cleaning block 44 and the second cleaning blocks 46 are both provided with cutting edges. The second cleaning blocks 46 are connected with the fixed plate 41 through the second lead screw 45 and the connecting frame 42. The first cleaning block 44 is connected with the fixed plate 41 through the first lead screw 43. It should be noted that the two second cleaning blocks 46 connected by the second lead screw 45 can clean the burr residues on the outer surface of the brake drum blank 3, and the first cleaning block 44 connected by the first lead screw 43 can clean the burr residues on the inner side wall of the brake drum blank 3, so as to realize the cleaning and processing of the inner and outer surfaces.

[0023] As Figures 3-5 shown, three connecting heads 57 are annularly connected to the outer surface of the movable block 55. Three guiding seats 56 are annularly arranged on the outer surface of the fixed seat 53. The inner side walls of the three connecting heads 57 are all connected with first folding plates 58. One ends of the three first folding plates 58 are all connected with second folding plates 59. One end of the second folding plate 59 is connected to the inner side wall of the guiding seat 56. Two guiding grooves 501 are respectively opened at the corresponding positions of the inner side wall of the guiding seat 56 and the sliding path of one end of the first folding plate 58. The inside of the guiding seat 56 is communicated with the inside of the fixed seat 53. The inner diameter size of the fixed seat 53 is adapted to the sliding path of the movable block 55. The inner diameter size of the guiding groove 501 is adapted to the sliding path of the first folding plate 58. The inner diameter size of the guiding seat 56 is adapted to the outer diameter size of the second folding plate 59. It should be noted that the adjusting lead screw 54 can drive the movable block 55 to slide up and down on the inner side wall of the fixed seat 53, so as to drive the joints of the three first folding plates 58 and the second folding plates 59 to fold and retract, and through the cooperation with the guiding grooves 501, limit and fix the brake drum blank 3, and adapt to the fixed processing of brake drum blanks 3 of various models and sizes.

[0024] The working principle of the present utility model is as follows: Place the brake drum blank 3 on the upper surface of the processing fixed disk 52, so that the central hole position of the brake drum blank 3 is located outside the fixed seat 53. Rotate the adjusting lead screw 54, so that the movable block 55 slides along the outer surface of the adjusting lead screw 54. As the movable block 55 slides, drive the first folding plate 58 to slide downward along the guiding groove 501 on the inner side wall of the guiding seat 56, and make the joint of the first folding plate 58 and the second folding plate 59 protrude outward until the brake drum blank 3 is fixed and limited, and the rapid fixing and limiting of the brake drum blank 3 can be completed;

[0025] Rotate the first lead screw 43 so that the first cleaning block 44 fits against the inner wall of the brake drum blank 3. Rotate the second lead screw 45 so that the two second cleaning blocks 46 fit against the outer surface of the brake drum blank 3. Then start the drive motor 51. Through the rotation of the machining fixing plate 52, drive the brake drum blank 3 to rotate rapidly along the first cleaning block 44 and the second cleaning blocks 46, and the deburring process of the inner surface can be achieved.

[0026] The above are only the preferred embodiments of the present utility model. It should be noted that for those of ordinary skill in the art, without departing from the principle of the present utility model, several improvements and refinements can be made, and these improvements and refinements should also be regarded as the protection scope of the present utility model. The structures, devices, and operation methods not specifically described and explained in the present utility model, without special instructions and limitations, are implemented according to the conventional means in the art.

Claims

1. A bimetallic brake drum blank inner surface treatment device, characterized in that: The processing platform (1) comprises four support seats (2) arranged on the bottom surface of the processing platform (1), a fixing unit (5) connected to the upper surface of the processing platform (1), a brake drum blank (3) connected to the surface of the fixing unit (5), and a processing unit (4) arranged on the upper surface of the processing platform (1) and located on one side of the brake drum blank (3); The fixing unit (5) comprises a driving motor (51), the driving end of the driving motor (51) is connected to a processing fixing disk (52), the upper surface of the processing fixing disk (52) is connected to a fixing seat (53), the top surface of the fixing seat (53) is penetrated by an adjusting screw rod (54), and the outer surface of the adjusting screw rod (54) and the inner side wall of the fixing seat (53) are connected to a movable block (55).

2. The device for treating the inner surface of a bimetallic brake drum blank according to claim 1, characterized in that: The processing unit (4) comprises a fixing plate (41), a side surface of the fixing plate (41) being connected to a connecting frame (42), a second screw rod (45) penetrating and connected to an end surface of the connecting frame (42), and an outer surface of the second screw rod (45) and located on both the upper and lower sides of the connecting frame (42) being connected to second cleaning blocks (46).

3. The device for treating the inner surface of a bimetallic brake drum blank according to claim 1, characterized in that: The outer surface of the movable block (55) is annularly connected to three connecting heads (57), the outer surface of the fixed seat (53) is annularly provided with three guide seats (56), and the inner side walls of the three connecting heads (57) are all connected to a first folding plate (58).

4. A bimetallic brake drum blank inner surface treatment device according to claim 3, characterized in that: One end of each of the three first folding plates (58) is connected to a second folding plate (59), one end of the second folding plate (59) is connected to the inner wall of the guide seat (56), two guide grooves (501) are provided at the inner wall of the guide seat (56) and at positions corresponding to the sliding path of one end of the first folding plate (58), and the interior of the guide seat (56) is connected to the interior of the fixed seat (53).

5. The device for treating the inner surface of a bimetallic brake drum blank according to claim 2, characterized in that: A first screw rod (43) is connected to the top end of the fixing plate (41); a first cleaning block (44) is connected to the outer surface of one end of the first screw rod (43); a cutting edge is provided on one side of the first cleaning block (44) and the second cleaning block (46); the second cleaning block (46) is connected to the fixing plate (41) via a second screw rod (45) and a connecting frame (42); and the first cleaning block (44) is connected to the fixing plate (41) via the first screw rod (43).

6. The device for treating the inner surface of a bimetallic brake drum blank according to claim 4, characterized in that: The inner diameter of the fixed seat (53) is compatible with the sliding path of the movable block (55), the inner diameter of the guide groove (501) is compatible with the sliding path of the first folding plate (58), and the inner diameter of the guide seat (56) is compatible with the outer diameter of the second folding plate (59).

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