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CN-224222746-U - Brake shoe turning device

CN224222746UCN 224222746 UCN224222746 UCN 224222746UCN-224222746-U

Abstract

The utility model discloses a shoe turning device which comprises a shell, wherein two fixing mechanisms which are symmetrically arranged and used for fixing shoe blocks are arranged above the shell, two rotating mechanisms which are used for driving the fixing mechanisms to rotate are arranged on the shell, the rotating mechanisms are arranged in one-to-one correspondence with the fixing mechanisms, clamping and fixing of the shoe blocks can be achieved through matching of the fixing mechanisms, the rotating mechanisms and auxiliary mechanisms, and meanwhile, the limiting effect is achieved through matching of the structural characteristics of the shoe blocks and the fixing mechanisms, so that clamping operation is carried out by driving clamping plates through no electric equipment is needed, the problem that wires connected with the electric equipment are wound and knotted when the rotating mechanisms drive the fixing mechanisms and the shoe blocks fixed by the fixing mechanisms to rotate is solved, stability and safety of the shoe turning device in shoe turning are improved, double-station turning can be achieved, and shoe turning efficiency is further improved.

Inventors

  • HE HONGLIN

Assignees

  • 天津四朋达自动化机械科技有限公司

Dates

Publication Date
20260512
Application Date
20250611

Claims (9)

  1. 1. Brake shoe lathe work device, its characterized in that includes: The machine comprises a machine shell (100), wherein two fixing mechanisms (200) which are symmetrically arranged and used for fixing hoof blocks (1) are arranged above the machine shell, a rotating mechanism (300) used for driving the fixing mechanisms (200) to rotate is arranged on the machine shell (100), two rotating mechanisms (300) are arranged, the rotating mechanisms (300) and the fixing mechanisms (200) are arranged in a one-to-one correspondence manner, and an auxiliary mechanism (400) which can be matched with the fixing mechanisms (200) for use and a turning mechanism (500) used for turning the hoof blocks (1) are arranged at the top of the machine shell (100); The fixing mechanism (200) comprises a supporting plate (210) arranged on the rotating mechanism (300), positioning blocks (220) are fixedly connected to the left side and the right side of the top of the supporting plate (210), positioning grooves (221) matched with the reinforcing parts (11) are formed in the positioning blocks (220), the reinforcing parts (11) are clamped to the inner cavities of the corresponding positioning grooves (221), and limiting pieces are arranged on the front side and the rear side of the top of the supporting plate (210).
  2. 2. The brake shoe turning device according to claim 1, wherein one of the stoppers comprises a projection (230) fixedly connected to a front side of a top of the pallet (210), a stopper (240) is fixedly connected to the top of the projection (230), and the stopper (240) is insertable into a gap between the two friction portions (12).
  3. 3. The brake shoe turning device according to claim 2, wherein the other stopper includes a boss (250) fixedly connected to the rear side of the top of the pallet (210) and disposed opposite to the boss (230), a stopper post (260) is fixedly connected to the top of the boss (250), and the stopper post (260) is insertable into a gap between the two shaft pin portions (13).
  4. 4. The shoe turning device of claim 1, wherein the rotating mechanism (300) comprises a motor A (310) mounted on the top of the inner cavity of the casing (100), a mounting seat (320) is mounted at the output end of the motor A (310), the top end of the mounting seat (320) movably penetrates through the top of the casing (100) and is mounted and connected with the supporting plate (210), and the surface of the mounting seat (320) is rotatably connected with the penetrating position of the casing (100).
  5. 5. The shoe turning device of claim 4, wherein the auxiliary mechanism (400) comprises two symmetrical electric push rods (410), the mounting seats (320) and the supporting plates (210) are arranged in a one-to-one correspondence mode, the electric push rods (410) are located right above the corresponding supporting plates (210), the output ends of the electric push rods (410) are arranged towards the supporting plates (210) and are fixedly connected with cylinders (420), and through grooves (211) matched with the cylinders (420) are formed in the center of the supporting plates (210).
  6. 6. The shoe turning device of claim 5, wherein the auxiliary mechanism (400) further comprises a support plate (430) fixedly connected between the two electric pushers (410), a support (440) is fixedly connected to the bottom of the support plate (430), the support (440) is fixedly connected to the top of the casing (100), and the support (440) is located between the two mounting seats (320).
  7. 7. The brake shoe turning device according to claim 1, wherein the turning mechanism (500) comprises a turning tool (510) arranged above the casing (100), and a positioning member is arranged between the turning tool (510) and the casing (100).
  8. 8. The shoe turning device of claim 7, wherein the positioning piece comprises a telescopic cylinder (520) arranged along the Y-axis direction, the output end of the telescopic cylinder (520) is fixedly connected with a turning tool (510), a rodless cylinder A (530) is arranged on one side, far away from the supporting plate (210), of the telescopic cylinder (520) along the X-axis direction, mounting blocks (540) are fixedly connected to two ends of the rodless cylinder A (530), two symmetrical rodless cylinders B (550) are mounted on the top of the casing (100), the rodless cylinders B (550) are arranged in one-to-one correspondence with the mounting blocks (540), and a sliding table of the rodless cylinders B (550) is fixedly connected with the bottoms of the corresponding mounting blocks (540).
  9. 9. The brake shoe turning device of claim 8, wherein a support (560) is fixedly connected to the sliding table of the rodless cylinder A (530), the telescopic cylinder (520) is movably arranged in an inner cavity of the support (560), a motor B (570) is arranged on one side of the support (560), and an output end of the motor B (570) penetrates through the inner cavity of the support (560) and is fixedly connected with the surface of the telescopic cylinder (520).

Description

Brake shoe turning device Technical Field The utility model relates to the technical field of brake shoe machining, in particular to a brake shoe turning device. Background Brake shoes, which are commonly referred to as friction members in drum brakes that contact a brake drum, generate a braking force by pressing against the inner surface of the brake drum, are widely used in trains, some automobiles, and mechanical devices. Shoe blocks (brake shoes), particularly movable friction assemblies in drum brakes, are typically composed of a metal backing plate and friction material, mounted within the brake, and are brought into contact with the brake drum by expansion. Hoof blocks are one form of brake shoe. In drum brakes, the shoe is the specific actuator that takes up the friction braking function of the brake shoe. In order to ensure that the size and the precision of the excircle of the shoe block meet the design requirements, the excircle of the shoe block is required to be turned by a turning tool before the friction lining is bonded or riveted. Because the hoof block is special in shape, the hoof block can be realized only by means of corresponding clamps in the processing process. The patent document with the prior publication number of CN209239546U discloses an automobile brake shoe processing clamping device, drives a butterfly clamping plate to clamp through a motor, so that clamping is more stable and reliable, simultaneously, hands of a worker are liberated, the stress generated in the process of turning can be counteracted through the mode of turning the abutted brake shoe, the large deformation of the brake shoe caused by turning stress is avoided, the quality of the brake shoe is influenced, the clamping process of the device is simple and rapid, the clamping effect is good, the brake shoe can be effectively protected, and the device has practicability. Although the clamping device for processing the automobile brake shoe can solve the corresponding technical problems, the brake shoe needs to rotate when in turning, so that a turning tool performs cutting processing of linear or curved movement in a plane, however, the clamping device is used for fixing the brake shoe in a mode of arranging a motor to drive a butterfly clamping plate to clamp, and thus when the clamping device for processing the automobile brake shoe and the brake shoe are driven to rotate subsequently, the problem that the wire connected with the motor is wound and knotted easily occurs, and even the wire is pulled and broken easily occurs. For this purpose, a brake shoe turning device is proposed. Disclosure of utility model The utility model aims to provide a brake shoe turning device which is used for solving the problems set forth in the background art. In order to achieve the above purpose, the main technical scheme adopted by the utility model comprises the following steps: Brake shoe turning device includes: The machine comprises a machine shell, wherein two fixing mechanisms which are symmetrically arranged and used for fixing the hoof blocks are arranged above the machine shell, two rotating mechanisms which are used for driving the fixing mechanisms to rotate are arranged on the machine shell, the rotating mechanisms are arranged in a one-to-one correspondence manner with the fixing mechanisms, and an auxiliary mechanism which can be matched with the fixing mechanisms for use and a turning mechanism which is used for turning the hoof blocks are arranged at the top of the machine shell; The fixing mechanism comprises a supporting plate arranged on the rotating mechanism, positioning blocks are fixedly connected to the left side and the right side of the top of the supporting plate, positioning grooves matched with the reinforcing parts are formed in the positioning blocks, the reinforcing parts are clamped to the inner cavities of the corresponding positioning grooves, and limiting pieces are arranged on the front side and the rear side of the top of the supporting plate. As the preferable technical scheme, one of the limiting pieces comprises a protruding block fixedly connected to the front side of the top of the supporting plate, the top of the protruding block is fixedly connected with a limiting block, and the limiting block can be inserted into a gap between the two friction parts. As the preferable technical scheme, another locating part includes fixed connection in layer board top rear side and is the projection that sets up relatively with the lug, the top fixedly connected with spacing post of projection, spacing post can insert in the clearance between two pivot portions. As the preferable technical scheme, rotary mechanism is including installing in the motor A at casing inner chamber top, motor A's output installs the mount pad, the top activity of mount pad runs through to the top of casing and is connected with the layer board installation, the surface of mount pad rotates with the department of running