CN216608034U

CN216608034U - High-precision brake shoe boring device

Info

Publication number: CN216608034U
Application number: CN202220180398.1U
Authority: CN
Inventors: 潘跃兴; 朱广才
Original assignee: Hangzhou Tima Auto Parts Manufacturing Co ltd
Current assignee: Hangzhou Tima Auto Parts Manufacturing Co ltd
Priority date: 2022-01-21
Filing date: 2022-01-21
Publication date: 2022-05-27
Anticipated expiration: 2032-01-21

Abstract

The utility model discloses a high-precision brake shoe boring device, which comprises a base, wherein the base is a rectangular plate, the upper surface of the base is provided with a supporting mechanism and a fixing mechanism, the supporting mechanism comprises two connecting plates, the two connecting plates are respectively and fixedly connected with the outer surfaces of the two ends of the base, the base is provided with the two connecting plates, a screw rod is rotatably arranged between the two connecting plates, and the two ends of the screw rod are in screw connection with movable blocks in a screw connection mode, so that when the screw rod is rotated, the two movable blocks on the screw rod can be driven to synchronously and reversely move, the movable blocks are provided with supporting rods, the supporting rods are connected with arc-shaped supporting blocks through bottom plates, the two ends of a brake shoe are respectively placed in the arc-shaped supporting blocks, the brake shoe is effectively supported, and simultaneously, the positions of the two arc-shaped supporting blocks are adjustable, and brake shoes with different models and sizes can be fixed, and the applicability of the equipment is improved.

Description

High-precision brake shoe boring device

Technical Field

The utility model relates to the technical field of front brake shoe machining, in particular to a high-precision brake shoe boring device.

Background

The brake shoe is a friction coupling of a drum brake, and should have a friction coefficient as high and stable as possible, and suitable wear resistance, heat radiation, heat capacity, and the like, in addition to strength and rigidity required as a member.

The brake shoe is divided into a leading shoe and a trailing shoe according to whether the rotation direction of the brake shoe when the brake shoe is opened is consistent with the rotation direction of the brake drum. When the expanding rotation direction of the brake shoe is consistent with the rotation direction of the brake drum, the brake shoe is called a leading shoe, has the brake boosting effect and is also called a leading shoe; otherwise, it is called "trailing hoof" or "trailing hoof".

Generally, the efficacy factor of leading hooves is about 3 times that of trailing hooves; the efficiency factor of the secondary leading shoe (the shoe opened by the primary leading shoe through the connecting rod) in the servo brake is about 3 times of that of the primary leading shoe (the shoe opened by the wheel cylinder piston).

The brake shoe of the automobile is a key component in the brake assembly. One end of the brake shoe needs to be drilled and then bored, so that the brake shoe to be processed can be drilled and bored at one time by a well-matched clamp so as to meet the design requirement of a product.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high-precision brake shoe boring device to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a high accuracy brake shoe bore hole device, includes the base, the base is the rectangle plate, the upper surface of base is equipped with supporting mechanism and fixed establishment, supporting mechanism includes the connecting plate, the quantity of connecting plate is two, two the connecting plate is fixed connection respectively in the both ends surface of base, it is equipped with the screw rod to rotate between the connecting plate, the screw thread at screw rod both ends is revolved to opposite, the surface cover of screw rod is equipped with the movable block, the quantity of movable block is two, and two the movable block sets up respectively the both ends of screw rod, just the movable block with the screw rod spiro union, the upper surface difference fixedly connected with bracing piece of movable block, the upper surface difference fixedly connected with bottom plate of bracing piece, the last fixed surface of bottom plate is connected with arc-shaped support block.

Preferably, the upper surface of base is equipped with the spout, the extending direction of spout with screw rod parallel arrangement, the lower surface of movable block corresponds spout department fixedly connected with slider respectively.

Preferably, the fixing device comprises a vertical plate, the vertical fixing of the vertical plate is connected to one side of the base, rotating arms are symmetrically arranged at the upper end of the vertical plate, the rotating arms are respectively connected with the vertical plate in a rotating mode, and the rotating arms are far away from the rotating ends of the rotating arms and are respectively fixedly connected with movable sleeves.

Preferably, the inner peripheral surface of the movable sleeve is fixedly connected with a hydraulic rod, the end surface of the vertical plate is provided with an arc-shaped groove for the hydraulic rod to pass through, and one end of the hydraulic rod, which is far away from the vertical plate, is fixedly connected with a fixing plate.

Preferably, the rotor arm is respectively through connecting rod fixedly connected with turbine, the connecting rod passes respectively the terminal surface of riser, the fixed surface of riser is connected with the plate, the fixed surface of plate is connected with driving motor, driving motor's output shaft runs through the terminal surface fixedly connected with worm of plate, the worm is located two between the turbine, just the turbine respectively with the worm meshing.

Compared with the prior art, the utility model has the beneficial effects that: the utility model provides a high accuracy brake shoe bore hole device, through setting up the base, set up two connecting plates on the base, it sets up the screw rod to rotate between the connecting plate, and at the both ends spiro union movable block of screw rod, thereby when rotating the screw rod, can drive two synchronous reverse movements of movable block on the screw rod, through setting up the bracing piece on the movable block, connect the arc supporting shoe through the bottom plate on the bracing piece, place the inside at the arc supporting shoe respectively at the both ends of brake shoe, thereby effectively support the brake shoe, simultaneously because the position of two arc supporting shoes is adjustable, and then can fix the brake shoe of different model sizes, increase the suitability of equipment.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic cross-sectional front view of the present invention;

FIG. 3 is a schematic left-side sectional view of the present invention;

fig. 4 is a rear view structural diagram of the present invention.

In the figure: 1. a base; 2. a connecting plate; 3. a screw; 4. a movable block; 5. a support bar; 6. a base plate; 7. an arc-shaped supporting block; 8. a chute; 9. a slider; 10. a vertical plate; 11. a rotating arm; 12. a movable sleeve; 13. a hydraulic lever; 14. an arc-shaped slot; 15. a fixing plate; 16. a turbine; 17. a plate member; 18. a drive motor; 19. a worm.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a high accuracy brake shoe bore hole device, includes base 1, as shown in figure 1, base 1 is the rectangle plate, the upper surface of base 1 is equipped with supporting mechanism and fixed establishment, and supporting mechanism is used for supporting the brake shoe, supporting mechanism includes connecting plate 2, the quantity of connecting plate 2 is two, two connecting plate 2 fixed connection respectively is in the both ends surface of base 1, it is equipped with screw rod 3 to rotate between connecting plate 2, the screw thread at screw rod 3 both ends is revolved to opposite, and for the ease of rotating screw rod 3, the terminal surface fixedly connected with rotation handle of connecting plate 2 is run through to the one end of screw rod 3, the surface cover of screw rod 3 is equipped with movable block 4, the quantity of movable block 4 is two, and two movable block 4 sets up respectively the both ends of screw rod 3, just movable block 4 with screw rod 3 spiro union, two movable block 4 symmetries set up the both ends of screw rod 3, the upper surface difference fixedly connected with bracing piece 5 of movable block 4, bracing piece 5 is vertical setting respectively, the upper surface difference fixedly connected with bottom plate 6 of bracing piece 5, the last fixed surface of bottom plate 6 is connected with arc supporting shoe 7, as shown in fig. 2, the upper surface of arc supporting shoe 7 is the arc respectively, and the both ends of brake shoe can laminate with the arc surface to carry out the outrigger to the brake shoe, one side of device is provided with bore hole device (not shown in the figure), and the bore hole device is prior art, no longer gives unnecessary details.

Particularly, the upper surface of base 1 is equipped with spout 8, spout 8 the extending direction with screw rod 3 parallel arrangement, just spout 8 is located the bottom of screw rod 3, the lower surface of movable block 4 corresponds 8 fixedly connected with slider 9 is do not gone here to the punishment of spout, and slider 9 slides and sets up the inside of spout 8, when movable block 4 is in the effect of screw rod 3 down along the gliding while of screw rod 3, slider 9 then can slide along spout 8, guarantees that movable block 4 can steadily connect on the base 1.

Particularly, fixing device includes riser 10, the vertical fixed connection of riser 10 is in one side of base 1, the upper end symmetry of riser 10 is equipped with rotor arm 11, rotor arm 11 respectively with riser 10 rotates and is connected, as shown in fig. 1, rotor arm 11 keeps away from its rotation end and is fixedly connected with movable sleeve 12 respectively, and when the brake shoe was placed on arc-shaped supporting shoe 7, rotor arm 11 rotated, drives movable sleeve 12 and presses the upper surface at the brake shoe to it is stable fixed with the brake shoe.

Specifically, the inner circumferential surface of the movable sleeve 12 is fixedly connected with a hydraulic rod 13, the hydraulic rod 13 and the movable sleeve 12 are coaxially arranged, an arc-shaped groove 14 for the hydraulic rod 13 to pass through is formed in the end surface of the vertical plate 10 in a penetrating mode, the center of the arc-shaped groove 14 is coaxially arranged with the rotation axis of the rotating arm 11, a fixing plate 15 is fixedly connected to one end, away from the vertical plate 10, of the hydraulic rod 13, the outer diameter of the fixing plate 15 is larger than that of the movable sleeve 12, and therefore after the movable sleeve 12 is in contact with the brake shoe, the hydraulic rod 13 drives the fixing plate 15 to move, the fixing plate 15 is in contact with the brake shoe, and the brake shoe is further limited.

Particularly, rotor arm 11 is respectively through connecting rod fixedly connected with turbine 16, the connecting rod passes respectively the terminal surface of riser 10, the fixed surface of riser 10 is connected with plate 17, the fixed surface of plate 17 is connected with driving motor 18, driving motor 18's output shaft runs through the terminal surface fixedly connected with worm 19 of plate 17, worm 19 is located two between the turbine 16, just turbine 16 respectively with worm 19 meshes to drive worm 19 when driving motor 18 and rotate, worm 19 drives the turbine 16 synchronous rotation rather than the meshing, and turbine 16 passes through the connecting rod and drives corresponding rotor arm 11 and rotate, drives movable sleeve 12 and the last surface contact of brake shoe by rotor arm 11.

The working principle is as follows: when the brake shoe boring machine is used, the screw rod 3 is rotated to drive the movable blocks 4 at the two ends of the screw rod to synchronously and reversely move under the matching action of threads, the movable blocks 4 drive the arc-shaped supporting blocks 7 at the top ends of the movable blocks to move through the supporting rods 5, the two ends of a set shoe are respectively placed on the arc-shaped supporting blocks 7, then the driving motor 18 is started, the driving motor 18 drives the worm 19 to rotate, the worm 19 drives the turbines 16 at the two sides of the worm to synchronously and reversely rotate, the turbines 16 drive the rotating arms 11 to rotate through the connecting rods, so that the two movable sleeves 12 are in contact with the upper surface of the brake shoe, then the hydraulic rod 13 drives the fixing plate 15, the fixing plate 15 is in contact with the surface of the brake shoe, the brake shoe is fixed, and then the brake shoe can be bored.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high accuracy brake shoe bore hole device, includes base (1), its characterized in that: the base (1) is a rectangular plate, the upper surface of the base (1) is provided with a supporting mechanism and a fixing mechanism, the supporting mechanism comprises two connecting plates (2), the number of the connecting plates (2) is two, the two connecting plates (2) are respectively and fixedly connected with the outer surfaces of the two ends of the base (1), screw rods (3) are arranged between the connecting plates (2) in a rotating mode, the thread turning directions of the two ends of the screw rods (3) are opposite, movable blocks (4) are sleeved on the outer surfaces of the screw rods (3), the number of the movable blocks (4) is two, the two movable blocks (4) are respectively arranged at the two ends of the screw rods (3), the movable blocks (4) are in threaded connection with the screw rods (3), the upper surfaces of the movable blocks (4) are respectively and fixedly connected with supporting rods (5), the upper surfaces of the supporting rods (5) are respectively and fixedly connected with a bottom plate (6), the upper surface of the bottom plate (6) is fixedly connected with an arc-shaped supporting block (7).

2. A high precision brake shoe boring apparatus according to claim 1, wherein: the upper surface of base (1) is equipped with spout (8), the extending direction of spout (8) with screw rod (3) parallel arrangement, the lower surface of movable block (4) corresponds spout (8) punishment is fixedly connected with slider (9) respectively.

3. A high precision brake shoe boring apparatus according to claim 2, wherein: the fixing mechanism comprises a vertical plate (10), wherein the vertical fixing of the vertical plate (10) is connected to one side of the base (1), rotating arms (11) are symmetrically arranged at the upper ends of the vertical plate (10), the rotating arms (11) are respectively connected with the vertical plate (10) in a rotating mode, and the rotating ends of the rotating arms (11) are far away from the movable sleeve (12) which is fixedly connected with the rotating ends respectively.

4. A high precision brake shoe boring apparatus according to claim 3, wherein: the inner peripheral surface of the movable sleeve (12) is fixedly connected with a hydraulic rod (13) respectively, an arc-shaped groove (14) for the hydraulic rod (13) to penetrate through is arranged on the end surface of the vertical plate (10), and a fixing plate (15) is fixedly connected to one end, far away from the vertical plate (10), of the hydraulic rod (13).

5. A high accuracy brake shoe bore hole device of claim 4, characterized in that: rotor arm (11) are respectively through connecting rod fixedly connected with worm wheel (16), the connecting rod passes respectively the terminal surface of riser (10), the fixed surface of riser (10) is connected with plate (17), the external fixed surface of plate (17) is connected with driving motor (18), the output shaft of driving motor (18) runs through the terminal surface fixedly connected with worm (19) of plate (17), worm (19) are located two between worm wheel (16), just worm wheel (16) respectively with worm (19) meshing.