CN221809630U - Emergency braking system of hot die forging press - Google Patents
Emergency braking system of hot die forging press Download PDFInfo
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- CN221809630U CN221809630U CN202420373482.4U CN202420373482U CN221809630U CN 221809630 U CN221809630 U CN 221809630U CN 202420373482 U CN202420373482 U CN 202420373482U CN 221809630 U CN221809630 U CN 221809630U
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- forging press
- piston
- friction plate
- flywheel
- piston cylinder
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- 238000005242 forging Methods 0.000 title claims abstract description 40
- 230000005540 biological transmission Effects 0.000 claims abstract description 21
- 210000004907 gland Anatomy 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims description 19
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000001154 acute effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
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Abstract
The utility model discloses an emergency braking system of a hot forging press, which comprises a hot forging press body, wherein an eccentric shaft and a transmission shaft are arranged on the hot forging press body, an axle seat is sleeved on the outer side of one end of the eccentric shaft, a gland is fixedly arranged on the axle seat through a prestress pull rod, a friction plate is clamped between the gland and the axle seat, the outer part of the friction plate is positioned in an annular groove in the middle of the inner side of a flywheel, and the side surface of the friction plate is contacted with the inner side of the flywheel.
Description
Technical Field
The utility model relates to the technical field of hot die forging presses, in particular to an emergency braking system of a hot die forging press.
Background
The hot die forging press is a series of products produced by introducing world advanced technology. The hot die forging press is used for forging and finishing forgings of a large number of black and nonferrous metals in batches in the manufacturing industries of automobiles, tractors, internal combustion engines, ships, aviation, mining machinery, petroleum machinery, hardware tools and the like, the forged forgings have the advantages of high precision, high material utilization rate, high productivity, easiness in realizing automation, low operation technical requirements on workers, low noise and vibration and the like, so that the hot die forging press is widely applied in modern forging production, and is high precision forging equipment indispensable for modern forging production.
The transmission shaft and the eccentric shaft of the traditional hot forging are not designed with emergency braking and embedded friction plate structural protection, when sudden faults or accident risks occur, the flywheel can not be stopped rotating acutely, and various risks of harm to operators caused by equipment cannot be reduced. Meanwhile, the flywheel with the embedded friction plate structure is not provided, and when equipment is suddenly overloaded and hit, fatigue cracks and even fracture accident risks of the flywheel bearing position of the hot forging press can be generated.
Disclosure of utility model
In view of the problems existing in the prior art, the utility model discloses an emergency braking system of a hot forging press machine, which adopts the technical scheme that the emergency braking system comprises a hot forging press machine body, wherein an eccentric shaft and a transmission shaft are arranged on the hot forging press machine body, a shaft seat is sleeved on the outer side of one end of the eccentric shaft, a gland is fixedly arranged on the shaft seat through a prestress pull rod, a friction plate is clamped between the gland and the shaft seat, the outer part of the friction plate is positioned in an annular groove in the middle of the inner side surface of a flywheel, the side surface of the friction plate is contacted with the inner side surface of the flywheel, the flywheel is rotatably arranged on the eccentric shaft, a brake shell is sleeved on the outer side of one end of the transmission shaft, a driven friction plate is fixedly arranged on the end surface of the brake shell through a bolt, a piston cylinder is fixedly arranged on the end surface of the transmission shaft, a piston is fixedly arranged on the end surface of the piston cylinder, a driving friction plate is fixedly arranged on the end surface of the piston cylinder, the driving friction plate is fixedly arranged on the opposite side surfaces of the piston, the driving friction plate and the driving friction plate is fixedly arranged on the opposite side surfaces of the piston, the inner ends of the guide rods are respectively connected with the two ends of the guide rods, and the two ends of the driving friction plates are fixedly connected with the two end surfaces of the friction plates.
As a preferable technical scheme of the utility model, shaft keys are fixedly arranged in Zhou Jiancao of the inner side surface of the shaft seat and the side surface of the eccentric shaft.
As a preferable technical scheme of the utility model, a first sealing ring is fixedly arranged in the annular groove on the inner side surface of the piston, and the inner side surface of the first sealing ring is contacted with the side surface of the middle part in the piston cylinder.
As a preferable technical scheme of the utility model, a second sealing ring is fixedly arranged in the annular groove on the side surface of the piston, and the side surface of the second sealing ring is contacted with the inner side surface of the piston cylinder.
As a preferable technical scheme of the utility model, a rotary joint is fixedly arranged in the middle of the end face of the piston cylinder, and the rotary joint is communicated with the interior of the piston cylinder.
The utility model has the beneficial effects that:
1. According to the utility model, the integral large flywheel is designed into an embedded friction plate split structure, the prestress pull rod is used for locking, the prestress friction force is set to be the rated friction force, when the rotation resistance of the flywheel exceeds the rated friction force, the prestress pull rod is deformed, the friction plate is loose, the friction force on the flywheel is lost, the flywheel slips, so that fatigue cracks of the flywheel bearing position are prevented, when sudden faults occur, the piston can drive the driving friction plate to move towards the driven friction plate through compressed air, the braking friction plate on the driving friction plate is contacted with the braking friction plate on the driven friction plate, and the friction force between the two braking friction plates drives the transmission gear and the flywheel to carry out acute braking, so that the risk of various harm to operators generated by equipment is reduced.
2. The sealing performance between the piston and the piston cylinder can be improved through the first sealing ring and the second sealing ring, and the phenomenon that the action of the piston is influenced due to air leakage of a gap between the piston and the piston cylinder is prevented.
Drawings
FIG. 1 is a schematic diagram of the front structure of the present utility model;
FIG. 2 is a schematic view of the back structure of the present utility model;
FIG. 3 is a schematic cross-sectional view of a flywheel according to the present utility model;
fig. 4 is a schematic cross-sectional view of a brake housing and piston cylinder of the present utility model.
In the figure: the device comprises a hot die forging press body 1, an eccentric shaft 2, a transmission shaft 3, a shaft seat 4, a gland 5, a flywheel 6, a friction plate 7, a prestress pull rod 8, a shaft key 9, a brake housing 10, a passive friction disc 11, a piston cylinder 12, a brake friction plate 13, a driving friction disc 14, a guide rod 15, a spring 16, a hook key 17, a cover plate 18, a first sealing ring 19, a piston 20, a second sealing ring 21 and a rotary joint 22.
Detailed Description
Example 1
As shown in fig. 1 to 4, the utility model discloses an emergency braking system of a hot forging press, which adopts the technical scheme that the emergency braking system comprises a hot forging press body 1, wherein an eccentric shaft 2 and a transmission shaft 3 are arranged on the hot forging press body 1, a shaft seat 4 is sleeved on the outer side of one end of the eccentric shaft 2, a shaft key 9 is fixedly arranged in Zhou Jiancao of the inner side surface of the shaft seat 4 and the side surface of the eccentric shaft 2, a gland 5 is fixedly arranged on the shaft seat 4 through a prestress pull rod 8, a friction plate 7 is clamped between the gland 5 and the shaft seat 4, the outer part of the friction plate 7 is positioned in an annular groove in the middle of the inner side surface of a flywheel 6, the side surface of the friction plate 7 is contacted with the inner side surface of the flywheel 6, the flywheel 6 is rotatably arranged on the eccentric shaft 2, a brake housing 10 is sleeved on the outer side of one end of the transmission shaft 3, the brake housing 10 is fixedly arranged on the side surface of the hot forging press body 1 through bolts, the end face in the brake shell 10 is fixedly provided with a passive friction disk 11, the end face of the transmission shaft 3 is fixedly provided with a cover plate 18, the cover plate 18 is fixedly provided with a piston cylinder 12, the piston cylinder 12 is slidably provided with a piston 20, a first sealing ring 19 is fixedly arranged in an annular groove on the inner side face of the piston 20, the inner side face of the first sealing ring 19 is contacted with the side face of the middle part in the piston cylinder 12, a second sealing ring 21 is fixedly arranged in an annular groove on the side face of the piston 20, the side face of the second sealing ring 21 is contacted with the inner side face of the piston cylinder 12, the tightness between the piston 20 and the piston cylinder 12 can be improved through the first sealing ring 19 and the second sealing ring 21, the action of the piston 20 is prevented from being influenced by the air leakage of a gap between the piston 20 and the piston cylinder 12, the end face of the piston 20 is fixedly provided with a driving friction disk 14, the driving friction disc 14 and the driven friction disc 11 are fixedly provided with matched braking friction plates 13 on opposite side surfaces, the side surface of the driving friction disc 14 is fixedly connected with one ends of a plurality of guide rods 15, the other ends of the guide rods 15 penetrate through sliding holes in the inner end surface of a piston cylinder 12, a rotary joint 22 is fixedly arranged in the middle of the end surface of the piston cylinder 12, the rotary joint 22 is communicated with the inside of the piston cylinder 12, springs 16 are sleeved on the outer sides of the guide rods 15, two ends of the springs 16 are fixedly connected with the inner end surfaces of the driving friction disc 14 and the piston cylinder 12 respectively, the integral large flywheel 6 is designed into an embedded friction plate split structure, the prestress pull rod 8 is used for locking, the prestress pull rod 8 is used for setting the prestress friction force to be the rated friction force, when the rotation resistance of the flywheel 6 exceeds the rated friction force, the prestress pull rod 8 is deformed, the friction plate 7 is loosened, the friction force on the flywheel 6 is lost, the flywheel 6 slides, and fatigue cracks of the flywheel 6 bearing positions are prevented, and when sudden faults occur, the piston 20 drives the driving friction disc 14 to move towards the driven friction disc 11 through compressed air, the two ends of the driving friction disc 14, the braking friction plates 13 on the driving friction disc 14 are respectively, the braking friction plates 13 and the two friction plates 13 are in contact with the driven friction plates 13, and the risk of a driver is reduced, and the risk of the driver is reduced, and the risk is caused to brake friction to the brake friction device.
The working principle of the utility model is as follows: when the hot die forging press machine body 1 works, the flywheel 6 is driven to rotate through the transmission shaft 3, so that the flywheel 6 drives the eccentric shaft 2 to rotate, the eccentric shaft 2 drives the pressing tool to move downwards to punch the hot die, when sudden overload striking occurs, the friction plate 7 and the flywheel 6 exceed prestress, the prestress pull rod 8 deforms, at the moment, the distance between the gland 5 and the shaft seat 4 can be increased, the flywheel 6 pushes away the friction plate 7, the friction plate 7 and the flywheel 6 are separated, at the moment, the flywheel 6 idles, thereby preventing the accident risk of rupture or breakage of a flywheel bearing when the impact force is overlarge, simultaneously, when the hot die forging press machine body 1 has sudden faults, compressed gas can be filled into the piston cylinder 12 through the external air source, at the moment, the compressed gas can push the piston 20 to move towards the direction of the hot die forging press machine body 1, the piston 20 drives the driving friction plate 14 to move towards the driven friction plate 11, the braking friction plate 13 on the driving friction plate 14 is contacted with the braking friction plate 13 on the driven friction plate 11, the friction plate 13 is stopped by the friction plate 13, and the transmission shaft 12 and the transmission shaft 3 is rapidly damaged by the emergency brake device, and the risk of a driver is reduced, and the risk of the driver is reduced to the emergency brake equipment is rapidly operated by the transmission shaft 3.
The hot die forging press body 1, the eccentric shaft 2 and the transmission shaft 3 are common components in the hot die forging press in the prior art, and the connection relationship, the transmission relationship and the working principle among the hot die forging press body 1, the eccentric shaft 2 and the transmission shaft 3 and between the transmission shaft 3 and the flywheel 6 are the prior art and are not described in detail herein.
The components not described in detail herein are prior art.
Although the specific embodiments of the present utility model have been described in detail, the present utility model is not limited to the above embodiments, and various changes and modifications without inventive labor may be made within the scope of the present utility model without departing from the spirit of the present utility model, which is within the scope of the present utility model.
Claims (5)
1. The utility model provides a hot die forging press emergency braking system, includes hot die forging press organism (1), be provided with eccentric shaft (2) and transmission shaft (3) on hot die forging press organism (1), its characterized in that, axle bed (4) have been cup jointed in the outside of eccentric shaft (2) one end, through prestressing force pull rod (8) fixed mounting gland (5) on axle bed (4), press from both sides tight friction disc (7) between gland (5) and axle bed (4), the outside of friction disc (7) is located the annular groove in flywheel (6) medial surface middle part, the side of friction disc (7) and flywheel (6) medial surface contact, flywheel (6) rotation is installed on eccentric shaft (2), brake housing (10) have been cup jointed in the outside of transmission shaft (3) one end, brake housing (10) pass through the side of bolt fixed mounting in hot die forging press organism (1), fixed mounting has passive friction disc (11) on the terminal surface in brake housing (10), fixed mounting has apron (18) on the terminal surface of transmission shaft (3), piston (12) are installed on piston (20) fixed mounting piston (12), the brake friction plate is characterized in that the braking friction plates (13) matched with each other are fixedly arranged on the opposite side surfaces of the driving friction plate (14) and the driven friction plate (11), the side surfaces of the driving friction plate (14) are fixedly connected with one ends of a plurality of guide rods (15), the other ends of the guide rods (15) penetrate through sliding holes in the inner end surface of the piston cylinder (12), springs (16) are sleeved on the outer sides of the guide rods (15), and two ends of each spring (16) are fixedly connected with the driving friction plate (14) and the inner end surface of the piston cylinder (12) respectively.
2. A hot forging press emergency brake system as recited in claim 1, wherein: an axle key (9) is fixedly arranged in Zhou Jiancao of the inner side surface of the axle seat (4) and the side surface of the eccentric shaft (2).
3. A hot forging press emergency brake system as recited in claim 1, wherein: a first sealing ring (19) is fixedly arranged in the annular groove on the inner side surface of the piston (20), and the inner side surface of the first sealing ring (19) is in contact with the side surface of the inner middle part of the piston cylinder (12).
4. A hot forging press emergency brake system as recited in claim 1, wherein: a second sealing ring (21) is fixedly arranged in the annular groove on the side face of the piston (20), and the side face of the second sealing ring (21) is in contact with the inner side face of the piston cylinder (12).
5. A hot forging press emergency brake system as recited in claim 1, wherein: the middle part of the end face of the piston cylinder (12) is fixedly provided with a rotary joint (22), and the rotary joint (22) is communicated with the inside of the piston cylinder (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420373482.4U CN221809630U (en) | 2024-02-28 | 2024-02-28 | Emergency braking system of hot die forging press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420373482.4U CN221809630U (en) | 2024-02-28 | 2024-02-28 | Emergency braking system of hot die forging press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221809630U true CN221809630U (en) | 2024-10-08 |
Family
ID=92917801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420373482.4U Active CN221809630U (en) | 2024-02-28 | 2024-02-28 | Emergency braking system of hot die forging press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221809630U (en) |
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2024
- 2024-02-28 CN CN202420373482.4U patent/CN221809630U/en active Active
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