Hot die forging multilayer friction brake

Abstract

The utility model discloses a hot die forging multilayer friction brake which comprises a hot die forging machine body, a brake chassis, a transmission shaft, a brake hub, a brake friction seat, a friction block, a brake fluted disc, a brake spring, a brake bolt, a spring supporting ring, a brake piston, a brake air cylinder, a brake positioning piece, a brake adjusting rod and a reset spring. The brake can conduct friction braking through the multiple layers of friction blocks on the brake hub, the friction coefficient is high, and the braking effect is lasting and stable.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of hot die forging brake, especially the technical field of hot die forging multilayer friction brake. BACKGROUND

[0002] Hot die forging press is used for batch metal die forging and finishing forging in the manufacturing industry of automobile, tractor, internal combustion engine, ship, aviation, mine machinery, petroleum machinery, hardware tools and so on, the forged workpiece precision is high, the material utilization rate is high, the productivity is high, is easy to realize automation, the operation technical requirement of worker is low, noise and vibration are small, is indispensable high-precision forging equipment in modern forging production, in the forging process, the brake of hot die forging press needs to brake frequently, and the frequent braking can cause the temperature of the brake to rise, the friction coefficient to reduce, the friction pair to wear fast and the safety hidden danger to be big, therefore a kind of hot die forging multilayer friction brake needs to be designed. SUMMARY

[0003] The utility model discloses a hot die forging multilayer friction brake can make brake through multilayer friction block on brake wheel hub friction braking, friction coefficient is high, and braking effect is durable and stable.

[0004] To realize above-mentioned purpose, the utility model provides a hot die forging multilayer friction brake, including hot die forging body, brake chassis, transmission shaft, brake wheel hub, brake friction seat, friction block, brake gear, brake spring, brake bolt, spring support ring, brake piston, brake cylinder, brake positioning piece, brake adjusting lever and reset spring, brake chassis is fixedly arranged on hot die forging body, transmission shaft is inserted in brake chassis, brake wheel hub is fixedly covered on transmission shaft, the outside of brake wheel hub is evenly surrounded by a plurality of brake friction seats, the brake friction seat is provided with friction block, the outside of friction block is provided with brake gear, the outside of brake gear is provided with brake spring, brake spring is covered on brake bolt, the outside of brake bolt is connected with spring support ring, spring support ring is connected with brake piston, brake piston is arranged in brake cylinder, brake cylinder is fixedly arranged at the outside of brake wheel hub, the inside of brake wheel hub is provided with brake positioning piece, brake positioning piece is connected with brake adjusting lever, the outer end of brake adjusting lever is covered with reset spring.

[0005] As preferred, the brake friction seat is fixedly arranged on the outer side surface of the brake wheel hub, an axial guide slot is arranged in the brake friction seat, and the friction block is slidingly arranged in the guide slot.

[0006] As preferred, the connecting part of the brake wheel hub and the transmission shaft is fixedly clamped with a flat key and an expansion sleeve, and the transmission shaft is provided with a positioning groove corresponding to the position of the flat key.

[0007] Preferably, the number of brake toothed discs is multiple, and the brake toothed discs are axially slidingly arranged and fixedly connected with brake springs.

[0008] Preferably, a brake cylinder spacer is arranged between the brake piston and the brake cylinder.

[0009] The utility model discloses a hot die forging multilayer friction brake, which comprises a brake base, a transmission shaft, a brake hub, a brake friction seat, a friction block, a brake toothed disc, a brake spring, a brake bolt, a spring support ring, a brake piston, a brake cylinder, a brake positioning piece, a brake adjusting rod and a return spring.

[0010] The features and advantages of the utility model will be described in detail in combination with the drawings and embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 is the structure schematic diagram of hot die forging multilayer friction brake of the utility model;

[0012] Figure 2 is the B-B cross section structure schematic diagram of hot die forging multilayer friction brake of the utility model.

[0013] In the drawing: 1 is brake base, 2 is transmission shaft, 3 is brake hub, 4 is brake friction seat, 5 is friction block, 6 is brake toothed disc, 7 is brake spring, 8 is brake bolt, 9 is spring support ring, 10 is brake piston, 11 is brake cylinder, 12 is brake positioning piece, 13 is brake adjusting rod, 14 is return spring. DETAILED DESCRIPTION

[0014] Reference Figure 1 and Figure 2The utility model discloses hot die forging multilayer friction brake, including hot die forging body, brake chassis 1, transmission shaft 2, brake wheel hub 3, brake friction seat 4, friction block 5, brake gear 6, brake spring 7, brake bolt 8, spring support ring 9, brake piston 10, brake cylinder 11, brake positioning piece 12, brake adjusting lever 13 and return spring 14, brake chassis 1 is fixedly arranged on hot die forging body, transmission shaft 2 is inserted and arranged in brake chassis 1, brake wheel hub 3 is fixedly covered on transmission shaft 2, the outside of brake wheel hub 3 is evenly surrounded and is provided with a plurality of brake friction seat 4, brake friction seat 4 is provided with friction block 5, the outside of friction block 5 is provided with brake gear 6, the outside of brake gear 6 is provided with brake spring 7, brake spring 7 is covered on brake bolt 8, the outside of brake bolt 8 is connected and is provided with spring support ring 9, spring support ring 9 is connected with brake piston 10, brake piston 10 is arranged in brake cylinder 11, brake cylinder 11 is fixedly arranged on the outside of brake wheel hub 3, the inside of brake wheel hub 3 is provided with brake positioning piece 12, brake positioning piece 12 is connected with brake adjusting lever 13, the outer end of brake adjusting lever 13 is covered with return spring 14, brake friction seat 4 is fixedly arranged on the outside of brake wheel hub 3, guide slide groove is axially arranged in brake friction seat 4, friction block 5 is slidably arranged in guide slide groove, the connecting part of brake wheel hub 3 and transmission shaft 2 is fixedly clamped with flat key and expansion sleeve, transmission shaft 2 is provided with positioning recess groove corresponding flat key position, the number of brake gear 6 has a plurality, brake gear 6 is axially slidably arranged, brake gear 6 is fixedly connected with brake spring 7, brake piston 10 and brake cylinder 11 are provided with brake cylinder spacer sleeve.

[0015] The utility model discloses a brake wheel hub 3 on the brake of brake ware is through fixed multilayer friction block 5 and carries out friction brake, and the friction coefficient is high, and brake spring 7 promotes brake tooth disc 6 to exert pressure to friction block 5, makes friction block 5 and brake chassis 1 and brake two tooth disc contact and produce strong friction, thereby makes brake wheel hub 3 and brake chassis 1 stop relative movement to realize the brake effect of transmission shaft 2, and the brake effect is durable and stable, and reset spring 14 promotes brake adjusting lever 13 and brake positioning piece 12 to promote brake friction block 5 seat in brake ware non -action and return to the original position to prevent friction block 5 from producing friction in non -action, and through the air pressure into brake cylinder 11 and promote brake piston 10, brake piston 10 promotes spring support ring 9 to pull brake stud, and brake stud pulls outside brake gear and compresses brake spring 7 to realize brake loosening, and brake cylinder 11 spacer can adjust the clearance of brake cylinder 11 and brake piston 10.

[0016] The above examples are illustrative of and not limiting of the present utility model and other embodiments for carrying out the present utility model will be readily apprehended by those skilled in the art, the embodiments described are intended to be illustrative only and the scope of the present utility model should be limited by the appended claims.

Claims

1. A hot-swage multi-layer friction brake characterized by: The application relates to a hot die forging brake device which comprises a hot die forging machine body, a brake chassis (1), a transmission shaft (2), a brake hub (3), a brake friction seat (4), a friction block (5), a brake toothed disc (6), a brake spring (7), a brake bolt (8), a spring support ring (9), a brake piston (10), a brake cylinder (11), a brake positioning piece (12), a brake adjusting rod (13) and a reset spring (14), the brake chassis (1) is fixedly arranged on the hot die forging machine body, the transmission shaft (2) is arranged in the brake chassis (1), the brake hub (3) is fixedly arranged on the transmission shaft (2), the brake hub (3) is provided with a plurality of brake friction seats (4) which are evenly arranged in multiple layers on the outer side of the brake hub (3), the brake friction seat (4) is provided with the friction block (5), the outer side of the friction block (5) is provided with the brake toothed disc (6), the outer side of the brake toothed disc (6) is provided with the brake spring (7), the brake spring (7) is sleeved on the brake bolt (8), the outer side of the brake bolt (8) is connected with the spring support ring (9), the spring support ring (9) is connected with the brake piston (10), the brake piston (10) is arranged in the brake cylinder (11), the brake cylinder (11) is fixedly arranged on the outer side of the brake hub (3), the inner side of the brake hub (3) is provided with the brake positioning piece (12), the brake positioning piece (12) is connected with the brake adjusting rod (13), and the outer end of the brake adjusting rod (13) is sleeved with the reset spring (14).

2. The hot-swage multi-layer friction brake of claim 1, wherein: The brake friction seat (4) is fixedly arranged on the outer side of the brake hub (3), the brake friction seat (4) is provided with a guide sliding groove in the axial direction, and the friction block (5) is slidably arranged in the guide sliding groove.

3. The hot-swage multi-layer friction brake of claim 1 wherein: The connecting position of the brake hub (3) and the transmission shaft (2) is fixedly clamped with a flat key and an expansion sleeve, and the transmission shaft (2) is provided with a positioning groove corresponding to the position of the flat key.

4. The hot-swage multi-layer friction brake of claim 1 wherein: The brake toothed disc (6) is provided with a plurality of brake toothed discs (6) which are axially slidably arranged, and the brake toothed disc (6) is fixedly connected with the brake spring (7).

5. The hot-swage multi-layer friction brake of claim 1 wherein: The brake piston (10) and the brake cylinder (11) are provided with a brake cylinder spacer.

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