CN215845468U - Hydraulic combined working platform of hot die forging press and hot die forging press - Google Patents
Hydraulic combined working platform of hot die forging press and hot die forging press Download PDFInfo
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- CN215845468U CN215845468U CN202121378927.0U CN202121378927U CN215845468U CN 215845468 U CN215845468 U CN 215845468U CN 202121378927 U CN202121378927 U CN 202121378927U CN 215845468 U CN215845468 U CN 215845468U
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- hydraulic
- table plate
- working table
- hydraulic cylinder
- die
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- 238000005242 forging Methods 0.000 title claims abstract description 22
- 238000000926 separation method Methods 0.000 abstract description 6
- 239000003921 oil Substances 0.000 description 38
- 238000000034 method Methods 0.000 description 8
- 239000010720 hydraulic oil Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010494 dissociation reaction Methods 0.000 description 1
- 230000005593 dissociations Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
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Abstract
The utility model relates to a hydraulic combined working platform of a hot die forging press and the hot die forging press. The upper working table plate is fixed with a lower die. The upper working table plate is movably connected with the lower working table plate, and the lower working table plate is connected with the press body. The hydraulic cylinder is arranged between the upper working table plate and the lower working table plate. The hydraulic cylinder drives the upper working table plate to be lifted or lowered. When the upper die and the lower die are clamped, only the valve of the hydraulic cylinder is required to be adjusted to enable the hydraulic cylinder to be in a hydraulic unloading state, when the pressure in the hydraulic cylinder is zero, the hydraulic cylinder moves downwards to drive the upper working table plate to move downwards, and the lower die fixed on the upper working table plate can be driven by the upper working table plate to realize rapid die separation with the upper die. The hydraulic combined working platform can quickly solve the problem of mold clamping, is simple to operate and cannot damage a mold.
Description
Technical Field
The utility model belongs to the technical field of presses, and particularly relates to a hydraulic combined working platform of a hot die forging press and the hot die forging press.
Background
Forging is a process in which a die mounted on a press is used to apply pressure to a material to cause separation or plastic deformation of the material to obtain a desired part. When the forging and pressing die is opened and closed, the pressure between the upper die and the lower die is large and can reach hundreds of tons, and when the material size is larger or the pressing force of the press is insufficient, the upper die and the lower die are often clamped and are difficult to separate. The prior art generally adopts the following method to solve the mold clamping problem:
the first method is to open the mold by manually prying the mold, but the mold opening method has the disadvantages of high labor intensity, low working efficiency, easy damage to the mold and difficult successful separation of the upper mold and the lower mold.
The second is to directly cut the stuck upper and lower dies apart, but this method may cause damage to the dies. However, the manufacturing cost of the mold and the repair cost after damage are high, and the method brings high economic cost.
Therefore, it is necessary to provide a device capable of quickly releasing the mold without damaging the mold when the mold is clamped.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a hydraulic combined working platform of a hot die forging press and the hot die forging press, aiming at solving the problem that an upper die and a lower die of a die are clamped in the prior art.
(II) technical scheme
In order to achieve the purpose, the utility model adopts the main technical scheme that:
a hydraulic combined working platform of a hot die forging press comprises an upper working platen, a lower working platen and a hydraulic cylinder; a lower die is fixed on the upper working table plate;
the upper working table plate is movably connected with the lower working table plate, and the lower working table plate is connected with the press body; the hydraulic cylinder is arranged between the upper working table plate and the lower working table plate;
the hydraulic cylinder drives the upper working table plate to ascend or descend.
The hydraulic combined working platform as described above, preferably, the hydraulic cylinder includes a piston and a piston rod;
and two ends of the piston rod are respectively connected with the upper working table plate and the lower working table plate.
In the hydraulic combined working platform, preferably, the hydraulic cylinder is a hydraulic piston, a piston hole is formed in the lower working platform plate, and the hydraulic piston is located in the piston hole.
In the hydraulic combined working platform, the number of the piston holes is preferably 4-12, and one hydraulic piston is arranged in each piston hole.
The hydraulic combined working platform is preferably provided with a sealing piece on the hydraulic cylinder.
The hydraulic combined working platform as described above preferably further comprises a coaming;
the coaming is fixedly connected with the lower working table plate and forms a semi-closed structure with the lower working table plate;
the coaming is lower than the bottom surface of the upper working bedplate.
In the hydraulic combined working platform, preferably, the lower working platform plate is provided with a positioning guide post, and the upper working platform plate and the lower working platform plate are movably connected through the positioning guide post or a guide plate.
In the hydraulic combined working platform, the hydraulic cylinder is preferably connected with an oil way distributor, and the oil way distributor distributes oil to the hydraulic cylinder through an oil way in the hydraulic cylinder.
In the hydraulic combined working platform, preferably, the oil way distributor is connected with an oil pump, and the oil pump injects oil into the oil way distributor.
The utility model also provides a hot die forging press which comprises the hydraulic combined working platform, a press body and a hydraulic system;
the lower working table plate is fixedly connected with the press machine body, and the hydraulic system is positioned above the hydraulic working platform;
and a mould is arranged between the hydraulic system and the hydraulic combined working platform and comprises an upper mould and a lower mould, the upper mould is connected with the hydraulic system, and the lower mould is connected with the upper working platform plate.
(III) advantageous effects
The utility model has the beneficial effects that:
the hydraulic combined working platform has the advantages that the upper working platform plate is driven to move upwards or downwards by the hydraulic cylinder, so that the hydraulic combined working platform can realize the lifting function. When the upper die and the lower die are clamped, only the valve of the hydraulic cylinder in the hydraulic combined working platform needs to be adjusted to enable the hydraulic cylinder to be in a hydraulic unloading state, when the pressure in the hydraulic cylinder is zero, the hydraulic cylinder moves downwards to drive the upper working table plate to move downwards, and the lower die fixed on the upper working table plate can be driven by the upper working table plate to realize rapid die separation with the upper die. The hot die forging press can quickly solve the die clamping problem of the upper die and the lower die by the aid of the hydraulic combined working platform, does not need to use an additional tool for die releasing, is simple to operate, and does not damage the dies.
The hydraulic combined working platform can rapidly solve the problem of die clamping, and can drive the upper working table plate to move to a proper forging position, so that the upper die and the lower die are in a proper distance for forging.
Drawings
FIG. 1 is a schematic view of the overall structure of a hydraulic combined working platform according to the present invention;
FIG. 2 is a top view of the hydraulic combination work platform of the present invention (without the upper platen);
FIG. 3 is a top view of the hydraulic combination work platform of the present invention from another angle;
FIG. 4 is an exploded view of the hydraulic combination work platform of the present invention;
fig. 5 is an exploded view of a hydraulic combination working platform in embodiment 2 of the present invention.
[ description of reference ]
1: an upper work table; 2: a hydraulic piston; 3: a lower worktop plate; 4: an oil way distributor; 5: an oil path; 6: positioning the guide post; 7: enclosing plates; 8: a piston bore; 9: a guide plate.
Detailed Description
For the purpose of better explaining the present invention and to facilitate understanding, the present invention will be described in detail by way of specific embodiments with reference to the accompanying drawings.
Example 1
Referring to fig. 1 to 4, the present embodiment provides a hydraulic combined working platform of a hot die forging press, which includes a liftable upper working platen 1, a lower working platen 3, a hydraulic cylinder, and a control assembly. The lower working table plate 3 is fixed on the body of the press, and the hydraulic cylinder is positioned between the upper working table plate 1 and the lower working table plate 3.
When the press machine works, the upper working table plate 1 forms a fixed support for the lower die, and when die clamping occurs, the hydraulic cylinder drives the upper working table plate 1 to descend so as to separate the lower die from the upper die. The control assembly controls the fluid pressure and flow within the hydraulic cylinder.
As shown in fig. 3, the lower work table 3 is provided with a positioning guide post 6, and the upper work table 1 and the lower work table 3 are movably connected through the positioning guide post 6. The positioning guide posts 6 can guide the stroke of the die, so that the die is enabled to move in an accurate positioning mode.
In this embodiment, the hydraulic cylinder is a hydraulic piston 2, a piston hole 8 is formed in the lower table plate 3, and the hydraulic piston 2 is located in the piston hole 8. Specifically, 6 piston holes 8 are formed in the lower working platen 3, and one hydraulic piston 2 is arranged in each piston hole 8. The stroke of the hydraulic piston in this embodiment is short, between 8-12mm, and is sufficient to separate the lower die from the upper die.
The hydraulic piston 2 moves up and down by the pressure of hydraulic oil, the two ends of the hydraulic piston are not connected with the upper working table plate and the lower working table plate, when an upper die on a hydraulic system is clamped with a lower die on the upper working table plate 1, only a valve in a control assembly needs to be adjusted, so that the hydraulic piston 2 is in a hydraulic unloading state, when the pressure in a hydraulic cylinder is zero, the hydraulic piston 2 moves downwards to drive the upper working table plate 1 to move downwards along a positioning guide pillar 6, and the lower die fixed on the upper working table plate can be driven by the upper working table plate to realize rapid die separation with the upper die. The hydraulic combined working platform is simple to operate, does not damage a die, and can quickly solve the problem of die clamping.
Preferably, as shown in fig. 1, the hydraulic combination workbench of the present embodiment further comprises a coaming 7. The coaming 7 is arranged around the lower working bedplate 3 and is fixedly connected with the lower working bedplate 3 through bolts, and the coaming 7 and the lower working bedplate 3 form a semi-closed structure to prevent the hydraulic working platform from oil leakage outwards. In this embodiment, the height of the apron 7 needs to be lower than the bottom surface of the upper work top 1, leaving sufficient height between the upper work top 1 and the lower work top 3 for the upper work top 1 to move up and down.
Further, a sealing member is disposed on the hydraulic cylinder to prevent oil leakage from the hydraulic cylinder, and the hydraulic cylinder in this embodiment is preferably a piston type hydraulic cylinder.
The present embodiment adopts the oil pump and the oil way distributor 4 to supply oil for the hydraulic cylinder: the oil way distributor 4 and the oil pump are positioned on the outer side of the hydraulic combined working platform, one end of the oil way distributor 4 is connected with the oil pump, and the other end of the oil way distributor is connected with an oil way 5 in the hydraulic cylinder. The oil pump injects oil into the oil way distributor 4, and the oil way distributor 4 distributes oil to each hydraulic cylinder through the oil way 5.
The control assembly includes pressure control valves, flow control valves and directional control valves disposed in oil paths within the respective hydraulic cylinders to control the flow of hydraulic oil within the hydraulic cylinders and the pressure within the cylinders.
Example 2
The embodiment provides a hydraulic combined working platform of a hot die forging press, which comprises an upper working table plate 1, a lower working table plate 3, a hydraulic cylinder and a control assembly. The lower working table plate 3 is fixed on the body of the press, and the hydraulic cylinder is positioned between the upper working table plate 1 and the lower working table plate 3.
The difference between this embodiment and embodiment 1 is that a hydraulic cylinder with a complete structure is selected, and the hydraulic cylinder includes a piston and a piston rod. Two ends of the piston rod are respectively connected with the upper working bedplate 1 and the lower working bedplate 3.
In this embodiment, the flexible of pneumatic cylinder can drive work platen 1 and upwards or move down for hydraulic pressure combination work platform realizes liftable function. When an upper die on a hydraulic system and a lower die on an upper working table plate 1 are clamped, only a control assembly in a hydraulic combined working platform needs to be adjusted to enable a hydraulic cylinder to be in a hydraulic unloading state, when the pressure in the hydraulic cylinder is zero, the hydraulic cylinder moves downwards to drive the upper working table plate 1 to move downwards along a positioning guide pillar 6, and the lower die fixed on the upper working table plate can be driven by the upper working table plate to realize rapid die separation and dissociation with the upper die. Except that can solve the card mould problem fast, the hydraulic pressure combination work platform of this embodiment can also drive work platen 1 and remove suitable punching press position along guide pillar 6 for go up mould and lower mould and be in suitable distance and carry out the punching press.
Example 3
The embodiment provides a hydraulic combined working platform for mold release, which comprises an upper working table plate 1, a lower working table plate 3, a hydraulic cylinder and a control assembly.
The lower working table plate 3 is fixed on the press body, a plurality of piston holes 8 are uniformly formed in the lower working table plate 3, one end of the hydraulic cylinder penetrates through the piston holes 8 and is fixedly connected with the press body through a bolt, and the other end of the hydraulic cylinder is connected with the bottom of the upper working table plate 1 through a bolt. As shown in fig. 2, the hydraulic cylinders comprise 6 cylinders, which are distributed one by one in the piston bores 8 of the lower table plate 3 and evenly distributed in the bottom of the upper table plate 1.
Preferably, the hydraulic combination workbench of the present embodiment further comprises a coaming 7. The coaming 7 is arranged around the lower working bedplate 3 and is fixedly connected with the lower working bedplate 3 through bolts, and the coaming 7 and the lower working bedplate 3 form a semi-closed structure to prevent the hydraulic working platform from oil leakage outwards. In this embodiment, the height of the apron 7 needs to be lower than the bottom surface of the upper work top 1, leaving sufficient height between the upper work top 1 and the lower work top 3 for the upper work top 1 to move up and down.
Further, a sealing member is disposed on the hydraulic cylinder to prevent oil leakage from the hydraulic cylinder, and the hydraulic cylinder in this embodiment is preferably a piston type hydraulic cylinder.
The difference between this embodiment and embodiment 1 is that the upper table plate 1 and the lower table plate 3 of this embodiment are connected by a guide plate 9, and referring to fig. 5, this embodiment installs 2 guide plates 9 on each side of the upper table plate 1 and the lower table plate 3. In this embodiment, the guide plate 9 can ensure accurate die assembly of the upper die and the lower die, and the upper die and the lower die are guided by the guide mechanism and then are assembled, so that the die damage caused by collision of the male die and the female die is avoided.
Example 4
The present embodiment provides a hot die forging press including the hydraulic combined working platform of embodiment 1 or embodiment 2, a press body, and a hydraulic system.
The lower working table plate 3 is fixedly connected with the press machine body, and the hydraulic system is positioned above the hydraulic working platform. A die is arranged between the hydraulic system and the hydraulic combined working platform and comprises an upper die and a lower die, the upper die is connected with the hydraulic system, and in the die opening process, the hydraulic system drives the upper die to ascend to complete the die opening action. The lower die is connected with the upper working bedplate 1. In this embodiment, go up the mould and play stamping forming's effect, the lower mould plays the effect of fixed work piece.
Example 5
The embodiment provides a method for solving mold clamping during mold clamping, which specifically comprises the following steps:
when the die clamping does not occur, the oil pump injects oil into the oil way distributor 4, hydraulic oil is distributed into each hydraulic cylinder through the oil way 5, the hydraulic cylinders are pushed to drive the upper working table plate 1 to a specified working height, pressure maintaining is carried out, the height of the upper working table plate 1 is kept unchanged, and a hydraulic system of the press machine carries out punch forming on a workpiece under the matching of the upper die and the lower die.
When the mold clamping occurs, the adjusting control assembly changes the flow of the hydraulic oil, the hydraulic oil in the oil way 5 is emptied, the pressure in the oil way 5 is reduced to zero, and the hydraulic mold clamping device is in a hydraulic unloading state. After the pressure in the oil way 5 is reduced to zero, the hydraulic cylinder moves downwards to drive the upper working table plate 1 and the lower die on the upper working table plate 1 to move downwards, and the lower die is gradually separated from the upper die, so that the die release effect is achieved.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art can change or modify the technical content disclosed above into an equivalent embodiment with equivalent changes. However, any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention are within the protection scope of the technical solution of the present invention.
Claims (10)
1. A hydraulic combined working platform of a hot die forging press is characterized by comprising an upper working platen (1), a lower working platen (3) and a hydraulic cylinder; a lower die is fixed on the upper working bedplate (1);
the upper working table plate (1) is movably connected with the lower working table plate (3), and the lower working table plate (3) is connected with the press body; the hydraulic cylinder is arranged between the upper working table plate (1) and the lower working table plate (3);
the hydraulic cylinder drives the upper working table plate (1) to ascend or descend.
2. The hydraulic combination work platform of claim 1, wherein the hydraulic cylinder comprises a piston and a piston rod;
and two ends of the piston rod are respectively connected with the upper working table plate (1) and the lower working table plate (3).
3. The hydraulic combination work platform of claim 1, characterized in that the hydraulic cylinder is a hydraulic piston (2), a piston hole (8) is provided on the lower work platform plate (3), and the hydraulic piston (2) is located in the piston hole (8).
4. A hydraulic combined work platform according to claim 3, characterized in that said piston bores (8) comprise 4-12, one hydraulic piston (2) being arranged in each piston bore (8).
5. A hydraulic combined working platform according to claim 1, characterised in that a seal is provided on the hydraulic cylinder.
6. A hydraulic combined working platform according to claim 1, characterised in that it further comprises a coaming (7);
the coaming (7) is fixedly connected with the lower working table plate (3) and forms a semi-closed structure with the lower working table plate (3);
the coaming (7) is lower than the bottom surface of the upper working bedplate (1).
7. The hydraulic combined working platform according to claim 1, characterized in that the lower working platform plate (3) is provided with a positioning guide post (6), and the upper working platform plate (1) and the lower working platform plate (3) are movably connected through the positioning guide post (6) or a guide plate (9).
8. A hydraulic combined working platform according to claim 1, characterised in that the hydraulic cylinder is connected to an oil way distributor (4), which oil way distributor (4) distributes oil to the hydraulic cylinder via an oil way (5) inside the hydraulic cylinder.
9. The hydraulic combined working platform according to claim 8, characterized in that the oil way distributor (4) is connected with an oil pump, and the oil pump injects oil into the oil way distributor (4).
10. A hot die forging press, characterized by comprising a hydraulic combined working platform according to any one of claims 1 to 9, a press body and a hydraulic system;
the lower working table plate (3) is fixedly connected with the press machine body, and the hydraulic system is positioned above the hydraulic working platform;
and a mould is arranged between the hydraulic system and the hydraulic combined working platform and comprises an upper mould and a lower mould, the upper mould is connected with the hydraulic system, and the lower mould is connected with the upper working platform plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121378927.0U CN215845468U (en) | 2021-06-21 | 2021-06-21 | Hydraulic combined working platform of hot die forging press and hot die forging press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121378927.0U CN215845468U (en) | 2021-06-21 | 2021-06-21 | Hydraulic combined working platform of hot die forging press and hot die forging press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215845468U true CN215845468U (en) | 2022-02-18 |
Family
ID=80334702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121378927.0U Expired - Fee Related CN215845468U (en) | 2021-06-21 | 2021-06-21 | Hydraulic combined working platform of hot die forging press and hot die forging press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215845468U (en) |
-
2021
- 2021-06-21 CN CN202121378927.0U patent/CN215845468U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220218 |