CN211247901U - Upper air cushion device of sheet stretching hydraulic press - Google Patents
Upper air cushion device of sheet stretching hydraulic press Download PDFInfo
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- CN211247901U CN211247901U CN201921839901.4U CN201921839901U CN211247901U CN 211247901 U CN211247901 U CN 211247901U CN 201921839901 U CN201921839901 U CN 201921839901U CN 211247901 U CN211247901 U CN 211247901U
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- air cushion
- upper air
- stretching
- groove
- hydraulic press
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Abstract
The utility model relates to an upper air cushion device of a sheet stretching hydraulic press, which is arranged on the hydraulic press in a matching way and comprises an upper air cushion and a driving mechanism; the bottom of an upper sliding block on the hydraulic press is provided with a groove, the upper air cushion is embedded in the groove, and the upper air cushion is in sliding contact with an upper sliding block on the hydraulic press; the driving mechanism is fixedly arranged at the bottom of the groove and is connected with the upper air cushion in a driving way and drives the upper air cushion to move up and down; the lower surface of the upper air cushion is uniformly provided with a plurality of upper stretching rods and is fixedly connected with the first upper die component through the upper stretching rods. The upper air cushion upper and lower stretching air cylinder has the advantages that the upper stretching air cylinder is adopted to control the upper air cushion to move up and down, the upper air cushion independently controls the upper air cushion to move up and down when the upper sliding block moves up and down, the upper sliding block moves down when products are pressed, the force of the upper air cushion is exerted on the upper air cushion to move up to achieve the effect of pressing edges, after the work is finished, the upper sliding block moves up, the upper air cushion moves down to knock materials, and therefore the purpose.
Description
Technical Field
The utility model relates to the technical field of hydraulic pressure, specifically relate to an upper air cushion device of sheet metal hydraulic drawing press.
Background
The traditional hydraulic press is not provided with an air cushion device, and a plurality of working procedures are needed for stretching workpieces with special requirements. The product qualification rate, efficiency and appearance quality are poor.
SUMMERY OF THE UTILITY MODEL
The utility model provides an upper air cushion device of a sheet stretching hydraulic machine, which has reasonable design, simple structure, one-step punch forming and high working efficiency; the product qualification rate is high, and the operation is more stable.
The technical scheme of the utility model:
an upper air cushion device of a sheet stretching hydraulic press is arranged on the hydraulic press in a matching way and comprises an upper air cushion and a driving mechanism; the bottom of an upper sliding block on the hydraulic press is provided with a groove, the upper air cushion is embedded in the groove, and the upper air cushion is in sliding contact with an upper sliding block on the hydraulic press; the driving mechanism is fixedly arranged at the bottom of the groove and is connected with the upper air cushion in a driving way and drives the upper air cushion to move up and down; the lower surface of the upper air cushion is uniformly provided with a plurality of upper stretching rods and is fixedly connected with the first upper die component through the upper stretching rods; the lower surface of an upper sliding block on the hydraulic press is fixedly connected with a plurality of second upper die components, the second upper die components are positioned on the periphery of the first upper die components, the first upper die components are in sliding contact with the second upper die components, the first upper die components and the plurality of second upper die components jointly form an upper die of the hydraulic press, the first upper die components are driven by the upper air cushion to move upwards, and the first upper die components and the plurality of second upper die components form a female die; and a lower die is arranged on a workbench of the hydraulic press, and is a male die which is in matched die contact with a female die formed by the first upper die component and the plurality of second upper die components.
The driving mechanism comprises a plurality of upper stretching cylinders, one ends of the upper stretching cylinders are fixedly installed at the bottom of the groove, the other ends of the upper stretching cylinders are fixedly connected with the upper air cushion, and the upper stretching cylinders synchronously drive the upper air cushion to move up and down. The upper stretching cylinders are designed into eight, each upper stretching cylinder is respectively connected with the upper sliding block in a sealing way, and the upper part of the upper sliding block forms a sealed air cavity at the inner side, and the air cavity is communicated with the upper stretching cylinders. The upper stretching cylinder comprises an elastic gas spring, a lower cover and an upper cover; the lower cover and the upper cover are cones and are symmetrically arranged, the upper cover is fixed at the bottom of the groove, the lower cover is fixed on the inner side of the upper air cushion, the upper opening and the lower opening of the elastic gas spring are cone openings matched with the cones of the lower cover and the upper cover, the elastic gas spring is matched with the cones of the upper cover and the lower cover through the inclined planes of the upper opening and the lower opening and is arranged between the upper slide block and the upper air cushion, and the upper cover is provided with an air opening communicated with the air cavity; the air cavity is filled with compressed air. When an upper sliding block of the press moves up and down, the upper stretching cylinder is filled with gas with required air pressure all the time, and a sealing cavity is formed inside the upper sliding block during manufacturing to be used as a large gas storage tank of the upper stretching cylinder, so that stable pressure is ensured. Through the size of pressure sensor and valve control atmospheric pressure (the design has pressure sensor on the air cavity, the design has inflation valve above the outer wall of air cavity, but UNICOM's compressed air, when pressure is not enough, can aerify, do not specifically show in the picture, but this belongs to conventional means), because gaseous compressibility, can ensure to go up the air cushion and can move fast, go up the air cushion lower plane and be equipped with buffer, reduce and go up the air cushion and strike with last auxiliary work platen when moving downwards, compare with last hydraulic cushion, pressure energy fast reaction, and the functioning speed is fast, hydraulic press speed is more and more fast now, go up the adaptation operation requirement that the air cushion can be fine.
The groove of the upper sliding block is a square groove, a plane guide plate is vertically arranged between the upper air cushion and the upper sliding block, the plane guide plate is fixed on the inner wall of the groove of the upper sliding block, and the plane guide plate is in sliding contact with the upper air cushion; the guide area is enlarged through the plane guide plate, the parallelism is improved, and the product percent of pass is further increased.
The plane guide plate is fixedly arranged on the inner wall of the groove of the upper sliding block through an adjusting mechanism, the adjusting mechanism comprises a plurality of bolts which are uniformly distributed in the vertical direction, the bolts penetrate through the upper sliding block and are movably connected with the plane guide plate, the bolts are in threaded connection with the upper sliding block, the bolts are rotated, the bolts push the plane guide plate, and the gap between the plane guide plate and the upper sliding block is adjusted; the gap between the plane guide plate and the upper sliding block is adjusted through the bolt, so that the parallelism of the upper air cushion is adjusted, and the maintenance is simplified.
A plurality of circular guide posts are also vertically arranged at the bottom of the groove of the upper sliding block, a plurality of circular holes are arranged on the upper air cushion in a one-to-one correspondence manner with the circular guide posts, and the circular guide posts penetrate through the circular holes on the upper air cushion along with the up-and-down movement of the upper air cushion; further improves the parallelism and ensures the product percent of pass.
The technical scheme is further improved and refined, the device also comprises a plurality of equal-height cushion blocks which are arranged in a split mode, and the upper air cushion is detachably connected with the first upper die component; the equal-height cushion blocks are uniformly placed on the working table surface of the hydraulic press, the upper air cushion is driven to be pressed on the equal-height cushion blocks, the parallelism of the upper air cushion can be judged visually, and the adjusting mechanism is matched for use, so that the adjustment is convenient.
The utility model has the advantages of reasonable design, simple structure, one-time punch forming and high working efficiency; the product qualification rate is high, and the operation is more stable. The upper stretching cylinder is adopted to control the upper air cushion to move up and down, the upper air cushion is independently controlled to move up and down when the upper sliding block moves up and down, the upper sliding block moves down when a product is pressed, the force applied by the upper air cushion moves up to achieve the effect of pressing the edges, the upper sliding block moves up after the work is finished, and the upper air cushion moves down to knock the material, so that the purpose of pressing the product at one time is achieved.
Drawings
Fig. 1 is a schematic structural view of an upper air cushion device of a sheet stretching hydraulic machine of the present invention.
Fig. 2 is a partial schematic view of the upper stretching cylinder of the present invention.
Detailed Description
As shown in the figure 1-2, the upper air cushion device of the sheet stretching hydraulic press is arranged on the hydraulic press in a matching way and comprises an upper air cushion 1 and a driving mechanism; the bottom of an upper sliding block 2 on the hydraulic press is provided with a groove, the groove of the upper sliding block 2 is a square groove, an upper air cushion 1 is embedded in the groove, a plane guide plate 3 is vertically arranged between the upper air cushion 1 and the upper sliding block 2, the plane guide plate 3 is fixed on the inner wall of the groove of the upper sliding block 2, and the plane guide plate 3 is in sliding contact with the upper air cushion 1.
The guide area is enlarged through the plane guide plate 3, the parallelism is improved, and the product percent of pass is further increased; the plane guide plate 3 is fixedly arranged on the inner wall of the groove of the upper sliding block 2 through an adjusting mechanism 4, the adjusting mechanism 4 comprises a plurality of bolts which are uniformly distributed in the vertical direction, the bolts penetrate through the upper sliding block and are movably connected with the plane guide plate 3, the bolts are in threaded connection with the upper sliding block 2, the bolts are rotated, push the plane guide plate 3 against the bolts, and the gap between the plane guide plate 3 and the upper sliding block 2 is adjusted; the gap between the plane guide plate 3 and the upper sliding block 2 is adjusted through the bolt, so that the parallelism of the upper air cushion 1 is adjusted, and the maintenance is simplified.
The driving mechanism comprises a plurality of upper stretching cylinders 5, one ends of the upper stretching cylinders 5 are fixedly arranged at the bottoms of the grooves, the other ends of the upper stretching cylinders 5 are fixedly connected with the upper air cushion 1, and the upper stretching cylinders 5 synchronously drive the upper air cushion 1 to move up and down; the upper stretching cylinders 5 are eight in design, each upper stretching cylinder 5 is connected with the upper sliding block 2 in a sealing mode, a sealed air cavity 8 is formed in the inner side of the upper portion of the upper sliding block 2, and the air cavity 8 is communicated with the upper stretching cylinders 5. The upper stretching cylinder 5 comprises an elastic gas spring 51, a lower cover 52 and an upper cover 53; the lower cover 52 and the upper cover 53 are cones and are symmetrically arranged, the upper cover 53 is fixed at the bottom of the groove, the lower cover 52 is fixed on the inner side of the upper air cushion 1, the upper and lower openings of the elastic gas spring 51 are cone openings matched with the cones of the lower cover and the upper cover, the elastic gas spring 51 is arranged between the upper slider 2 and the upper air cushion 1 in a matching way with the cones of the upper cover and the lower cover through the inclined surfaces of the upper and lower openings, and the upper cover 53 is provided with an air opening communicated with the air cavity 8; the air chamber 8 is filled with compressed air.
The lower surface of the upper air cushion 1 is uniformly provided with a plurality of upper stretching rods 6 and is fixedly connected with a first upper die component through the upper stretching rods 6; the lower surface of an upper slide block 2 on the hydraulic press is fixedly connected with a plurality of second upper die components, the second upper die components are positioned on the periphery of the first upper die components, the first upper die components are in sliding contact with the second upper die components, the first upper die components and the plurality of second upper die components jointly form an upper die of the hydraulic press, and the first upper die components and the plurality of second upper die components form a female die along with the upward air cushion 1 driving the first upper die components to move upwards; a lower die is arranged on a workbench of the hydraulic press, and the lower die is a male die which is in matched die contact with a female die formed by a first upper die component and a plurality of second upper die components; a plurality of round guide posts are also vertically arranged at the bottom of the groove of the upper sliding block 2, a plurality of round holes are arranged on the upper air cushion 1 in one-to-one correspondence with the round guide posts, and the round guide posts penetrate through the round holes on the upper air cushion 1 along with the up-and-down movement of the upper air cushion 1; the parallelism is further improved, and the product percent of pass is ensured; the upper air cushion device also comprises a plurality of equal-height cushion blocks 7 which are arranged in a split manner, and the upper air cushion 1 is detachably connected with the first upper die component; the equal-height cushion blocks 7 are uniformly placed on the working table surface of the hydraulic press, the upper air cushion 1 is driven to press the equal-height cushion blocks 7, the parallelism of the upper air cushion 1 can be judged visually, and the adjusting mechanism is matched for use, so that the adjustment is convenient.
Claims (8)
1. An upper air cushion device of a sheet stretching hydraulic press is arranged on the hydraulic press in a matching way and is characterized by comprising an upper air cushion and a driving mechanism; the bottom of an upper sliding block on the hydraulic press is provided with a groove, the upper air cushion is embedded in the groove, and the upper air cushion is in sliding contact with an upper sliding block on the hydraulic press; the driving mechanism is fixedly arranged at the bottom of the groove and is connected with the upper air cushion in a driving way and drives the upper air cushion to move up and down; the lower surface of the upper air cushion is uniformly provided with a plurality of upper stretching rods and is fixedly connected with the first upper die component through the upper stretching rods; the lower surface of an upper sliding block on the hydraulic press is fixedly connected with a plurality of second upper die components, the second upper die components are positioned on the periphery of the first upper die components, the first upper die components are in sliding contact with the second upper die components, the first upper die components and the plurality of second upper die components jointly form an upper die of the hydraulic press, the first upper die components are driven by the upper air cushion to move upwards, and the first upper die components and the plurality of second upper die components form a female die; and a lower die is arranged on a workbench of the hydraulic press, and is a male die which is in matched die contact with a female die formed by the first upper die component and the plurality of second upper die components.
2. The upper air cushion device of the hydraulic sheet stretching machine as claimed in claim 1, wherein the driving mechanism comprises a plurality of upper stretching cylinders, one end of each upper stretching cylinder is fixedly installed at the bottom of the groove, the other end of each upper stretching cylinder is fixedly connected with the upper air cushion, and the upper stretching cylinders synchronously drive the upper air cushions to move up and down.
3. The upper air cushion device of the hydraulic sheet stretching machine as claimed in claim 1, wherein the groove of the upper slide block is a square groove, a planar guide plate is vertically arranged between the upper air cushion and the upper slide block, the planar guide plate is fixed on the inner wall of the groove of the upper slide block, and the planar guide plate is in sliding contact with the upper air cushion.
4. The upper air cushion device of the hydraulic sheet stretching machine as claimed in claim 3, wherein the planar guide plate is fixedly mounted on the inner wall of the groove of the upper slide block through an adjusting mechanism, the adjusting mechanism comprises a plurality of bolts uniformly distributed in the vertical direction, the bolts penetrate through the upper slide block and are movably connected with the planar guide plate, the bolts are in threaded connection with the upper slide block, the bolts rotate to push against the planar guide plate, and the gap between the planar guide plate and the upper slide block is adjusted.
5. The upper air cushion device of the hydraulic sheet stretching machine as claimed in claim 1, wherein a plurality of round guide posts are vertically arranged at the bottom of the groove of the upper slide block, and a plurality of round holes are arranged at the upper air cushion and the round guide posts in one-to-one correspondence, and the round guide posts pass through the round holes on the upper air cushion as the upper air cushion moves up and down.
6. The upper air cushion device of the hydraulic sheet stretching machine as claimed in claim 1, further comprising a plurality of equal-height cushion blocks which are separately arranged, and the upper air cushion and the first upper mold member are detachably connected.
7. The upper air cushion device of the hydraulic sheet stretching machine as claimed in claim 2, wherein the upper stretching cylinders are designed into eight, each upper stretching cylinder is connected with the upper slide block in a sealing way, and the upper part of the upper slide block forms a sealed air cavity at the inner side, and the air cavity is communicated with the upper stretching cylinders.
8. The upper air cushion device of the hydraulic sheet stretching machine as claimed in claim 7, wherein the upper stretching cylinder comprises an elastic air spring, a lower cover and an upper cover; the lower cover and the upper cover are cones and are symmetrically arranged, the upper cover is fixed at the bottom of the groove, the lower cover is fixed on the inner side of the upper air cushion, the upper opening and the lower opening of the elastic gas spring are cone openings matched with the cones of the lower cover and the upper cover, the elastic gas spring is matched with the cones of the upper cover and the lower cover through the inclined planes of the upper opening and the lower opening and is arranged between the upper slide block and the upper air cushion, and the upper cover is provided with an air opening communicated with the air cavity; the air cavity is filled with compressed air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921839901.4U CN211247901U (en) | 2019-10-30 | 2019-10-30 | Upper air cushion device of sheet stretching hydraulic press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921839901.4U CN211247901U (en) | 2019-10-30 | 2019-10-30 | Upper air cushion device of sheet stretching hydraulic press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211247901U true CN211247901U (en) | 2020-08-14 |
Family
ID=71989834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921839901.4U Expired - Fee Related CN211247901U (en) | 2019-10-30 | 2019-10-30 | Upper air cushion device of sheet stretching hydraulic press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211247901U (en) |
-
2019
- 2019-10-30 CN CN201921839901.4U patent/CN211247901U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200814 Termination date: 20201030 |