CN219378847U - Automatic locking device for vacuum isothermal forging head and upper die holder - Google Patents
Automatic locking device for vacuum isothermal forging head and upper die holder Download PDFInfo
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- CN219378847U CN219378847U CN202223495672.3U CN202223495672U CN219378847U CN 219378847 U CN219378847 U CN 219378847U CN 202223495672 U CN202223495672 U CN 202223495672U CN 219378847 U CN219378847 U CN 219378847U
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- pull rod
- clamping sleeve
- sleeve
- head
- ring
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Abstract
The utility model discloses an automatic locking device of a vacuum isothermal forging head and an upper die holder, which is mainly provided with: the upper pull rod, the lower pull rod, the clamping sleeve and the annular sleeve; the auxiliary lifting device drives the lower pull rod and the clamping sleeve to move downwards, the semi-ring clamping sleeve is outwards opened, the bayonet on the upper end surface of the clamping sleeve is enlarged, and the head part of the upper pull rod extends into the clamping sleeve; the lower pull rod moves upwards through the auxiliary lifting device, so that the clamping sleeve and the upper pull rod are driven to move upwards integrally and synchronously, an upper end face opening is reduced due to the fact that the clamping sleeve is limited by the annular sleeve, the upper pull rod is tightly held, and the vacuum isothermal forging head and the upper die holder are locked together. Through the setting of whole device, realize the automatic locking of vacuum isothermal forging head and upper die base, replace traditional manual work to use bolt and nut to lock fixed high altitude construction, labour saving and time saving improves locking efficiency, reduces the potential safety hazard, guarantees personal safety.
Description
Technical Field
The utility model relates to an automatic locking device, in particular to an automatic locking device for a vacuum isothermal forging head and an upper die holder.
Background
The vacuum isothermal forging is to forge the forging piece isothermally under vacuum condition. Because the press and the forging system are in a sealed vacuum environment, the die is connected with equipment, manual operation cannot be adopted, and particularly, the operation is difficult to complete at high altitude between the upper die base and the pressure head, and in addition, the operation space is limited, the operation is difficult, the working efficiency is low, and the load of staff is large. In the prior art, the operation of locking and fixing is usually needed to be carried out manually by using bolts and nuts when the die and the equipment are connected and locked and fixed, and the locking and fixing mode is low in efficiency and labor-consuming.
Disclosure of Invention
The utility model aims to solve the technical problem of providing the automatic locking device for the vacuum isothermal forging head and the upper die holder, which realizes an automatic locking structure through the arrangement of the whole device, replaces the traditional manual operation of locking and fixing by using bolts and nuts, saves time and labor, improves the locking efficiency, reduces potential safety hazards and ensures personal safety.
In order to solve the technical problems, the automatic locking device for the vacuum isothermal forging head and the upper die holder is mainly provided with: the upper pull rod, the lower pull rod, the clamping sleeve and the annular sleeve;
the upper pull rod penetrates through the vacuum isothermal forging head; the head of the upper pull rod is provided with a step used for limiting during locking, and the shape of the step is matched with a groove on the inner side of the upper end of the clamping sleeve;
the upper end head of the lower pull rod is sleeved on the inner side of the lower end of the clamping sleeve; the shape of the upper end head part of the lower pull rod is matched with the groove on the inner side of the lower end of the clamping sleeve, the rod part of the lower end of the lower pull rod penetrates through the lower end of the clamping sleeve, and the lower end of the clamping sleeve is provided with a limiting step for limiting the lower pull rod;
the ring sleeve is sleeved outside the clamping sleeve, and the shape of the inner side of the ring sleeve is matched with the shape of the outer side of the clamping sleeve;
the cutting sleeve is composed of two half-ring cutting sleeves, and the two half-ring cutting sleeves are sleeved together to form a whole cutting sleeve.
Further, the saidThe height of the vertical part at the inner lower end of the ring sleeve is equal to the height of the vertical part at the outer lower end of the clamping sleeve, the inclination angle of the inclined part at the inner upper end of the ring sleeve is equal to the inclination angle of the inclined part at the outer upper end of the clamping sleeve, and the height H of the inclined part at the inner upper end of the ring sleeve 3 1 Height H higher than the inclined part of the outer upper end of the cutting sleeve 6 2 ；
And H is 1 ＝(D-d)/2tanθ+H 2 ；
Wherein: h 1 Is the height of the inclined part of the upper end of the inner side of the ring sleeve, H 2 The height of the inclined part at the upper end of the outer side of the clamping sleeve 6 is D, D is the diameter of the head part of the upper pull rod, D is the diameter of the rod part of the upper pull rod, and theta is the inclined angle of the inclined part at the upper end of the inner side of the ring sleeve and the inclined angle of the inclined part at the upper end of the outer side of the clamping sleeve.
Further, auxiliary lifting device all adopts the mode of linking to be connected with lower pull rod, auxiliary lifting device and last pull rod, and auxiliary lifting device all is provided with the cavity with the pull rod link, and pull rod and auxiliary lifting device link all are provided with the pullover of corresponding height, the pullover is in movable distance is H in the cavity.
Compared with the prior art, the utility model has the following beneficial effects:
the auxiliary lifting device drives the lower pull rod and the clamping sleeve to move downwards, the semi-ring clamping sleeve is outwards opened, the bayonet on the upper end surface of the clamping sleeve is enlarged, the auxiliary lifting device drives the upper pull rod to move downwards, meanwhile, the pressure head moves downwards through the press and contacts with the upper die holder, and the head part of the upper pull rod extends into the clamping sleeve; the lower pull rod moves upwards through the auxiliary lifting device, so that the clamping sleeve and the upper pull rod are driven to move upwards integrally and synchronously, an upper end face opening is reduced due to the fact that the clamping sleeve is limited by the annular sleeve, the upper pull rod is tightly held, and the vacuum isothermal forging head and the upper die holder are locked together. Through the setting of whole device, realize the automatic locking of vacuum isothermal forging head and upper die base, replace traditional manual work to use bolt and nut to lock fixed high altitude construction, labour saving and time saving improves locking efficiency, reduces the potential safety hazard, guarantees personal safety.
Drawings
The utility model will be described in further detail with reference to the drawings and the detailed description.
Fig. 1 is a schematic structural diagram of an automatic locking device for a vacuum isothermal forging head and an upper die holder according to an embodiment of the present utility model.
Fig. 2 is a schematic structural diagram of a connection mode between an auxiliary lifting device and a pull rod according to an embodiment of the present utility model.
In the figure: 1, an auxiliary lifting device; 2, pulling down the rod; 3, loop sleeve; 4, upper die holder; 5, pressing heads; 6, cutting ferrule; 7, a pull rod is arranged on the upper part; 8 an auxiliary lifting device.
Detailed Description
As shown in fig. 1, the automatic locking device for the vacuum isothermal forging head and the upper die holder mainly comprises an auxiliary lifting device 1, a lower pull rod 2, a loop 3, an upper die holder 4, a pressing head 5, a clamping sleeve 6, an upper pull rod 7 and an auxiliary lifting device 8;
the upper pull rod 7 penetrates through the vacuum isothermal forging head; the upper pull rod 7 is connected with the auxiliary lifting device 8, the upper pull rod 7 can move up and down through the auxiliary lifting device 8, a step 71 used for limiting when locking is arranged at the head part (diameter D) of the upper pull rod 7, the shape of the step 71 is matched with a groove at the inner side of the upper end of the clamping sleeve 6, and a step 72 used for limiting when the upper pull rod 7 descends is arranged at the rod part (diameter D) of the upper pull rod 7.
The upper end head part of the lower pull rod 2 is sleeved on the inner side of the lower end of the clamping sleeve 6, the shape of the upper end head part of the lower pull rod 2 is matched with the groove on the inner side of the lower end of the clamping sleeve 6, the rod part of the lower end of the lower pull rod 2 penetrates through the lower end of the clamping sleeve 6, and a limiting step for limiting the lower pull rod 2 is arranged at the lower end of the clamping sleeve 6.
The ring sleeve 3 is sleeved outside the clamping sleeve 6, the shape of the inner side of the ring sleeve 3 is matched with the shape of the outer side of the clamping sleeve 6, the height of the vertical part of the lower end of the inner side of the ring sleeve 3 is equal to the height of the vertical part of the lower end of the outer side of the clamping sleeve 6, the inclination angle (theta) of the inclined part of the upper end of the inner side of the ring sleeve 3 is equal to the inclination angle of the inclined part of the upper end of the outer side of the clamping sleeve 6, and the height (H) of the inclined part of the upper end of the inner side of the ring sleeve 3 1 ) Higher than the inclined part of the outer upper end of the cutting sleeve 6 (H 2 ) And (2) andH 1 ＝(D-d)/2tanθ+H 2 the method comprises the steps of carrying out a first treatment on the surface of the The lower end of the ring sleeve 3 is provided with a limiting step.
The clamping sleeve 6 is formed by two half-ring clamping sleeves, and the two half-ring clamping sleeves are sleeved together to form a whole clamping sleeve.
Through holes are formed in the upper die base 4 and the pressing head 5, the shape and the size of the through holes of the upper die base 4 are matched with those of the outer side of the annular sleeve 3, and the through holes of the pressing head 5 are matched with the rod part of the upper pull rod 7.
The auxiliary lifting device 1 is connected with the lower pull rod 2, the auxiliary lifting device 8 and the upper pull rod 7 in a linking mode, the connecting ends of the auxiliary lifting device and the pull rod are provided with cavities, the connecting ends of the pull rod and the auxiliary lifting device are provided with corresponding-height pullovers, and the movable distance of the pullovers in the cavities is H.
The working principle of the utility model is as follows:
the working process of the utility model is divided into two stages of locking and releasing.
Locking: the auxiliary lifting device 1 moves downwards to drive the lower pull rod 2 and the clamping sleeve 6 to move downwards, the semi-ring clamping sleeve is outwards opened, the bayonet on the upper end surface of the clamping sleeve 6 is enlarged, the upper pull rod 7 moves downwards through the 8 auxiliary lifting device, meanwhile, the pressure head 5 moves downwards through the press and contacts with the upper die holder 4, and the head of the upper pull rod 7 stretches into the clamping sleeve 6; the lower pull rod 2 moves upwards through the auxiliary lifting device 1, the upper end face of the lower pull rod 2 is matched with the inclined face on the inner side of the lower end of the clamping sleeve 6, so that the clamping sleeve 6 and the upper pull rod 7 are driven to move upwards integrally and synchronously, meanwhile, the clamping sleeve 6 is limited by the loop 3, so that the opening of the upper end face is reduced, the upper pull rod 7 is tightly held, and the vacuum isothermal forging head 5 and the upper die holder 4 are locked together.
And (3) a loosening stage: the upper pull rod 7 moves downwards through the auxiliary lifting device 8, the lower pull rod 2 moves downwards synchronously through the auxiliary lifting device 1, the clamping sleeve 6 is driven to move downwards, the semi-ring clamping sleeve is opened outwards, the bayonet of the upper end surface of the clamping sleeve 6 is enlarged, the head of the upper pull rod 7 is separated, and therefore unlocking and separating of the vacuum isothermal forging head 5 and the upper die holder 4 are achieved.
Claims (2)
1. The automatic locking device of the vacuum isothermal forging head and the upper die holder is characterized by mainly comprising the following components: an upper pull rod (7), a lower pull rod (2), a clamping sleeve (6) and a ring sleeve (3);
the upper pull rod (7) penetrates through the vacuum isothermal forging head; the head of the upper pull rod (7) is provided with a step (71) used for limiting during locking, and the shape of the step (71) is matched with a groove on the inner side of the upper end of the clamping sleeve (6);
the upper end head of the lower pull rod (2) is sleeved on the inner side of the lower end of the clamping sleeve (6); the shape of the upper end head part of the lower pull rod (2) is matched with a groove on the inner side of the lower end of the clamping sleeve (6), the lower end rod part of the lower pull rod (2) penetrates through the lower end of the clamping sleeve (6), and a limiting step for limiting the lower pull rod (2) is arranged at the lower end of the clamping sleeve (6);
the ring sleeve (3) is sleeved outside the clamping sleeve (6), and the shape of the inner side of the ring sleeve (3) is matched with the shape of the outer side of the clamping sleeve (6);
the clamping sleeve (6) is formed by two half-ring clamping sleeves, and the two half-ring clamping sleeves are sleeved together to form a whole clamping sleeve.
2. The automatic locking device for the vacuum isothermal forging head and the upper die holder according to claim 1, wherein the height of the vertical part at the inner lower end of the ring sleeve (3) is equal to the height of the vertical part at the outer lower end of the clamping sleeve (6), the inclination angle of the inclined part at the inner upper end of the ring sleeve (3) is equal to the inclination angle of the inclined part at the outer upper end of the clamping sleeve (6), and the height H of the inclined part at the inner upper end of the ring sleeve (3) 1 Height H higher than the inclined part of the upper end of the outer side of the cutting sleeve (6) 2 ；
And H is 1 ＝(D-d)/2tanθ+H 2 ；
Wherein: h 1 Is the height of the inclined part of the inner upper end of the ring sleeve (3), H 2 The clamping sleeve is characterized in that the height of the inclined part at the upper end of the outer side of the clamping sleeve (6), D is the diameter of the head part of the upper pull rod (7), D is the diameter of the rod part of the upper pull rod (7), and theta is the inclined angle of the inclined part at the upper end of the inner side of the ring sleeve (3) and the inclined angle of the inclined part at the upper end of the outer side of the clamping sleeve (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223495672.3U CN219378847U (en) | 2022-12-27 | 2022-12-27 | Automatic locking device for vacuum isothermal forging head and upper die holder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223495672.3U CN219378847U (en) | 2022-12-27 | 2022-12-27 | Automatic locking device for vacuum isothermal forging head and upper die holder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219378847U true CN219378847U (en) | 2023-07-21 |
Family
ID=87195963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223495672.3U Active CN219378847U (en) | 2022-12-27 | 2022-12-27 | Automatic locking device for vacuum isothermal forging head and upper die holder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219378847U (en) |
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2022
- 2022-12-27 CN CN202223495672.3U patent/CN219378847U/en active Active
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