CN212839144U - Pressure buffering device of hydraulic machine - Google Patents
Pressure buffering device of hydraulic machine Download PDFInfo
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- CN212839144U CN212839144U CN202021075852.4U CN202021075852U CN212839144U CN 212839144 U CN212839144 U CN 212839144U CN 202021075852 U CN202021075852 U CN 202021075852U CN 212839144 U CN212839144 U CN 212839144U
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Abstract
The utility model belongs to the technical field of the hydraulic press, especially, hydraulic press pressure buffer, to the poor and low problem of security of current buffering effect, the following scheme is proposed at present, and it includes the underbeam and sets up the walking beam directly over the underbeam, the equal fixed mounting in both sides at walking beam top has the pneumatic cylinder, and the top fixed mounting of two pneumatic cylinders has same upper beam, and the guide hole has all been seted up to the both sides at walking beam top, and equal slidable mounting has the guide post in two guide holes, and the top of two guide posts all extends to the top of walking beam, and equal fixed mounting has the stopper, and the bottom of two guide posts all extends to the below of walking beam, and equal fixed mounting is at the top of underbeam. The utility model discloses simple structure, reasonable in design reduces the falling speed of last workstation, and the impact force when having reduced last workstation and lower workstation contact has reduced the damage to equipment, has prolonged life, is fit for using widely.
Description
Technical Field
The utility model relates to a hydraulic press technical field especially relates to a hydraulic press pressure buffer.
Background
The hydraulic machine converts hydraulic energy into mechanical energy, performs linear reciprocating motion, is widely applied to production and processing, a plurality of metal parts need to be processed on the hydraulic machine, a blanking die is used for shearing blanking, strong shearing force is generated in the blanking moment, the machine body of the hydraulic machine shakes violently, and hydraulic oil leakage due to breakage and sealing failure of a machine tool hydraulic pipeline system are caused in serious cases.
The patent with publication number CN102825833A discloses a hydraulic press buffer, including installing the last spacing at the slider lateral part to and install the cushion cylinder on the workstation, its innovation point lies in: the upper limit comprises a mounting seat, and the center of the mounting seat is in threaded connection with an upper limit column. However, the buffer device has poor buffer effect and low safety, and has room for improvement.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a hydraulic machine pressure buffering device.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a hydraulic press pressure buffering device comprises a lower beam and a movable beam arranged right above the lower beam, wherein hydraulic cylinders are fixedly arranged on two sides of the top of the movable beam, the top of each hydraulic cylinder is fixedly provided with a same upper beam, guide holes are formed in two sides of the top of the movable beam, guide columns are slidably arranged in the two guide holes, the top ends of the two guide columns extend to the upper side of the movable beam and are fixedly provided with limit blocks, the bottom ends of the two guide columns extend to the lower side of the movable beam and are fixedly arranged on the top of the lower beam, rubber pads are fixedly arranged on two sides of the bottom of the movable beam and are positioned between the two guide columns, grooves are formed in two sides of the top of the lower beam and are positioned between the two guide columns, a lower workbench is positioned between the two movable plates, movable plates are movably arranged in the two grooves, top blocks are fixedly arranged at the center positions of the tops of the two movable plates, the bottom central point of two movable plates puts equal fixed mounting with buffer spring's one end, two buffer spring's the other end is fixed mounting respectively on the bottom inner wall of recess, the equal fixed mounting in both sides of recess bottom inner wall has the barrel, and the barrel is open-top's structure, buffer spring is located between two barrels, the bottom inner wall fixed mounting of barrel has first magnet, the equal fixed mounting in both ends of movable plate bottom has the carriage release lever, the bottom of two carriage release levers extends to respectively in two barrels, and equal fixed mounting has the second magnet, second magnet and the same setting of first magnet magnetic pole.
Preferably, the centers of the lower beam, the movable beam and the upper beam are displaced on the same vertical line.
Preferably, the center of the bottom of the movable beam is fixedly provided with an upper workbench, the center of the top of the lower beam is fixedly provided with a lower workbench, and the lower workbench and the upper workbench are arranged correspondingly.
Preferably, the top ends of the two top blocks extend to the upper part of the lower beam, and the two top blocks are respectively matched with the two rubber pads.
Preferably, the inner wall of the barrel body close to the barrel opening is fixedly provided with a limiting ring, and the moving rod is movably arranged in the limiting ring.
Preferably, the inner wall of the limiting ring is provided with an annular groove, a plurality of balls are uniformly installed in the annular groove in a rolling mode at equal intervals, one ends, close to each other, of the balls extend out of the annular groove, and the balls are in contact with the moving rod.
In the utility model, when in use, a workpiece is placed on the lower workbench, the telescopic rod of the hydraulic cylinder drives the movable beam to move downwards so as to drive the two rubber pads fixedly arranged at the bottom of the movable beam and the upper workbench to move downwards, when the rubber pads are contacted with the top block, the top block moves downwards after being acted by force and then drives the movable plate fixedly connected with the top block to move downwards, thereby compressing the buffer spring, the buffer spring consumes partial energy after being compressed and deformed, and simultaneously, the second magnet is driven to move downwards due to the fixed connection relationship among the movable plate, the movable rod and the second magnet, so that the distance between the second magnet and the first magnet is shortened, and the repulsive force between the second magnet and the first magnet is increased along with the same magnetic pole of the second magnet and the first magnet, thereby generating resistance to the downward movement of the movable plate, and then the falling speed of the upper workbench is reduced, and the impact force generated when the upper workbench is contacted with the lower workbench is reduced. The utility model discloses simple structure, reasonable in design reduces the falling speed of last workstation, and the impact force when having reduced last workstation and lower workstation contact has reduced the damage to equipment, has prolonged life, is fit for using widely.
Drawings
Fig. 1 is a schematic structural view of a hydraulic press pressure buffer device provided by the present invention;
fig. 2 is a schematic structural view of a portion a of fig. 1 of a hydraulic machine pressure buffering device provided by the present invention;
fig. 3 is a schematic structural diagram of a portion B of fig. 2 of a hydraulic machine pressure buffer device according to the present invention.
In the figure: the device comprises a lower beam 1, a movable beam 2, a hydraulic cylinder 3, an upper beam 4, a guide hole 5, a rubber pad 6, an upper workbench 7, a guide column 8, a limiting block 9, a lower workbench 10, a groove 11, a movable plate 12, a top block 13, a buffer spring 14, a cylinder body 15, a first magnet 16, a movable rod 17, a second magnet 18, a limiting ring 19, an annular groove 20 and a ball 21.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Example one
Referring to fig. 1-3, a hydraulic press pressure buffering device comprises a lower beam 1 and a movable beam 2 arranged right above the lower beam 1, wherein hydraulic cylinders 3 are fixedly arranged on both sides of the top of the movable beam 2, the same upper beam 4 is fixedly arranged on the tops of the two hydraulic cylinders 3, guide holes 5 are respectively arranged on both sides of the top of the movable beam 2, guide posts 8 are respectively slidably arranged in the two guide holes 5, the top ends of the two guide posts 8 extend to the upper side of the movable beam 2, and are respectively and fixedly provided with a limiting block 9, the bottom ends of the two guide posts 8 extend to the lower side of the movable beam 2, and are respectively and fixedly arranged on the top of the lower beam 1, rubber pads 6 are respectively and fixedly arranged on both sides of the bottom of the movable beam 2, the two rubber pads 6 are respectively positioned between the two guide posts 8, grooves 11 are respectively arranged on both sides of the top of the lower beam 1, the two grooves 11 are respectively positioned between the two guide posts 8, the two grooves 11 are movably provided with moving plates 12, the top center positions of the two moving plates 12 are fixedly provided with top blocks 13, the bottom center positions of the two moving plates 12 are fixedly provided with one ends of buffer springs 14, the other ends of the two buffer springs 14 are respectively fixedly arranged on the bottom inner walls of the grooves 11, two sides of the bottom inner walls of the grooves 11 are respectively fixedly provided with a cylinder body 15, the cylinder bodies 15 are of a structure with an opening at the top, the buffer springs 14 are arranged between the two cylinder bodies 15, the bottom inner walls of the cylinder bodies 15 are fixedly provided with first magnets 16, two ends of the bottom of the moving plates 12 are respectively and fixedly provided with moving rods 17, the bottom ends of the two moving rods 17 respectively extend into the two cylinder bodies 15 and are respectively and fixedly provided with second magnets 18, the magnetic poles of the second magnets 18 and the first magnets 16 are arranged in the same mode, the telescopic rods of the hydraulic cylinders 3 drive the moving beams 2 to move downwards, so that the two rubber, when the rubber pad 6 contacts with the top block 13, the top block 13 moves downwards after being acted by force, and then drives the moving plate 12 fixedly connected with the top block 13 to move downwards, so as to compress the buffer spring 14, the buffer spring 14 consumes partial energy after being compressed and deformed, and simultaneously, the second magnet 18 is driven to move downwards due to the fixed connection relation among the moving plate 12, the moving rod 17 and the second magnet 18, so that the distance between the second magnet 18 and the first magnet 16 is shortened, and the repulsive force between the second magnet 18 and the first magnet 16 is increased along with the magnetic poles of the second magnet 18 and the first magnet 16, so that resistance is generated on the downward movement of the moving plate 12, and then the falling speed of the upper working table 7 is reduced.
The utility model discloses in, the center displacement of underbeam 1, walking beam 2 and entablature 4 is on the same vertical line.
The utility model discloses in, the bottom central point of walking beam 2 puts fixed mounting has last workstation 7, and the top central point of underbeam 1 puts fixed mounting and has workstation 10 down, and workstation 10 and the corresponding setting in last workstation 7 position down, and it can contact with lower workstation 20 to go up workstation 7 and move down.
The utility model discloses in, the top of two kicking blocks 13 all extends to the top of underbeam 1, and two kicking blocks 13 respectively with 6 looks adaptations of two rubber pads, two rubber pads 6 move down can contact with two kicking blocks 13 respectively.
The utility model discloses in, the inner wall fixed mounting that barrel 15 is close to the nozzle has spacing ring 19, and carriage release lever 17 movable mounting is in spacing ring 19.
The utility model discloses in, ring channel 20 has been seted up on the inner wall of spacing ring 19, and equidistant even roll is installed a plurality of balls 21 in the ring channel 20, and outside the one end that a plurality of balls 21 are close to each other all extended to ring channel 20 to all contact with carriage release lever 17, when carriage release lever 17 removed in spacing ring 21, the ball 21 that is the annular distribution rolled in step, made the carriage release lever 17 more stable at barrel 15 internal motion.
Example two
Referring to fig. 1-3, a hydraulic press pressure buffering device comprises a lower beam 1 and a movable beam 2 arranged right above the lower beam 1, wherein hydraulic cylinders 3 are fixedly arranged on both sides of the top of the movable beam 2, the same upper beam 4 is fixedly arranged on the tops of the two hydraulic cylinders 3, guide holes 5 are respectively arranged on both sides of the top of the movable beam 2, guide posts 8 are respectively slidably arranged in the two guide holes 5, the top ends of the two guide posts 8 extend to the upper side of the movable beam 2, and are respectively and fixedly provided with a limiting block 9, the bottom ends of the two guide posts 8 extend to the lower side of the movable beam 2, and are respectively and fixedly arranged on the top of the lower beam 1, rubber pads 6 are respectively and fixedly arranged on both sides of the bottom of the movable beam 2, the two rubber pads 6 are respectively positioned between the two guide posts 8, grooves 11 are respectively arranged on both sides of the top of the lower beam 1, the two grooves 11 are respectively positioned between the two guide posts 8, the two grooves 11 are movably provided with moving plates 12, the top center positions of the two moving plates 12 are fixedly provided with top blocks 13, the bottom center positions of the two moving plates 12 are fixedly provided with one ends of buffer springs 14, the other ends of the two buffer springs 14 are respectively fixedly arranged on the bottom inner walls of the grooves 11, two sides of the bottom inner walls of the grooves 11 are respectively fixedly provided with a cylinder body 15, the cylinder bodies 15 are of a structure with an opening at the top, the buffer springs 14 are arranged between the two cylinder bodies 15, the bottom inner walls of the cylinder bodies 15 are fixedly provided with first magnets 16, two ends of the bottom of the moving plates 12 are respectively and fixedly provided with moving rods 17, the bottom ends of the two moving rods 17 respectively extend into the two cylinder bodies 15 and are respectively and fixedly provided with second magnets 18, the magnetic poles of the second magnets 18 and the first magnets 16 are arranged in the same mode, the telescopic rods of the hydraulic cylinders 3 drive the moving beams 2 to move downwards, so that the two rubber, when the rubber pad 6 contacts with the top block 13, the top block 13 moves downwards after being acted by force, and then drives the moving plate 12 fixedly connected with the top block 13 to move downwards, so as to compress the buffer spring 14, the buffer spring 14 consumes partial energy after being compressed and deformed, and simultaneously, the second magnet 18 is driven to move downwards due to the fixed connection relation among the moving plate 12, the moving rod 17 and the second magnet 18, so that the distance between the second magnet 18 and the first magnet 16 is shortened, and the repulsive force between the second magnet 18 and the first magnet 16 is increased along with the magnetic poles of the second magnet 18 and the first magnet 16, so that resistance is generated on the downward movement of the moving plate 12, and then the falling speed of the upper working table 7 is reduced.
The utility model discloses in, the center displacement of underbeam 1, walking beam 2 and entablature 4 is on the same vertical line.
The utility model discloses in, the bottom central point of walking beam 2 puts fixed mounting has last workstation 7, and the top central point of underbeam 1 puts fixed mounting and has workstation 10 down, and workstation 10 and the corresponding setting in last workstation 7 position down, and it can contact with lower workstation 20 to go up workstation 7 and move down.
The utility model discloses in, the top of two kicking blocks 13 all extends to the top of underbeam 1, and two kicking blocks 13 respectively with 6 looks adaptations of two rubber pads, two rubber pads 6 move down can contact with two kicking blocks 13 respectively.
The utility model discloses in, the inner wall fixed mounting that barrel 15 is close to the nozzle has spacing ring 19, and carriage release lever 17 movable mounting is in spacing ring 19.
The utility model discloses in, ring channel 20 has been seted up on the inner wall of spacing ring 19, and equidistant even roll is installed a plurality of balls 21 in the ring channel 20, and outside the one end that a plurality of balls 21 are close to each other all extended to ring channel 20 to all contact with carriage release lever 17, when carriage release lever 17 removed in spacing ring 21, the ball 21 that is the annular distribution rolled in step, made the carriage release lever 17 more stable at barrel 15 internal motion.
In the utility model, when in use, a workpiece is placed on the lower working table 10, the telescopic rod of the hydraulic cylinder 3 drives the movable beam 2 to move downwards, thereby driving the two rubber pads 6 fixedly arranged at the bottom of the movable beam 2 and the upper working table 7 to move downwards, when the rubber pads 6 are contacted with the top block 13, the top block 13 moves downwards after being acted by force, and then drives the movable plate 12 fixedly connected with the top block 13 to move downwards, thereby compressing the buffer spring 14, the buffer spring 14 consumes partial energy after being compressed and deformed, meanwhile, the second magnet 18 is driven to move downwards due to the fixed connection relation among the movable plate 12, the movable rod 17 and the second magnet 18, so that the distance between the second magnet 18 and the first magnet 16 is shortened, because the magnetic poles of the second magnet 18 and the first magnet 16 are the same, the repulsive force between the second magnet 18 and the first magnet 16 is increased, thereby generating resistance to the downward movement of the moving plate 12 and consequently lowering the falling speed of the upper table 7, reducing the impact force when the upper table 7 is in contact with the lower table 10. The utility model discloses simple structure, reasonable in design reduces the falling speed of last workstation, and the impact force when having reduced last workstation and lower workstation contact has reduced the damage to equipment, has prolonged life, is fit for using widely.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. A pressure buffering device of a hydraulic machine comprises a lower beam (1) and a movable beam (2) arranged right above the lower beam (1), and is characterized in that hydraulic cylinders (3) are fixedly arranged on two sides of the top of the movable beam (2), the top of each hydraulic cylinder (3) is fixedly provided with the same upper beam (4), guide holes (5) are formed in two sides of the top of the movable beam (2), guide columns (8) are slidably arranged in the two guide holes (5), the top ends of the two guide columns (8) extend to the upper side of the movable beam (2), and are fixedly provided with limit blocks (9), the bottom ends of the two guide columns (8) extend to the lower side of the movable beam (2) and are fixedly arranged on the top of the lower beam (1), rubber pads (6) are fixedly arranged on two sides of the bottom of the movable beam (2), and the two rubber pads (6) are positioned between the two guide columns (8), the two sides of the top of the lower beam (1) are respectively provided with a groove (11), the two grooves (11) are respectively positioned between the two guide columns (8), the lower worktable (10) is positioned between the two grooves (11), the two grooves (11) are respectively and movably provided with a movable plate (12), the top center positions of the two movable plates (12) are respectively and fixedly provided with a top block (13), the bottom center positions of the two movable plates (12) are respectively and fixedly provided with one end of a buffer spring (14), the other ends of the two buffer springs (14) are respectively and fixedly arranged on the bottom inner walls of the grooves (11), the two sides of the bottom inner walls of the grooves (11) are respectively and fixedly provided with a cylinder body (15), the cylinder body (15) is of a structure with an opening at the top, the buffer springs (14) are positioned between the two cylinder bodies (15), the bottom inner walls of the cylinder bodies (15) are fixedly provided with first magnets (16), the two ends of the bottoms of the, the bottom of two movable rods (17) extends to two barrels (15) respectively in, and equal fixed mounting has second magnet (18), and second magnet (18) and first magnet (16) magnetic pole the same setting.
2. The hydraulic press pressure buffering device as claimed in claim 1, characterized in that the center displacements of the lower beam (1), the movable beam (2) and the upper beam (4) are on the same vertical line.
3. The hydraulic press pressure buffering device as claimed in claim 1, wherein the bottom center of the movable beam (2) is fixedly provided with an upper workbench (7), the top center of the lower beam (1) is fixedly provided with a lower workbench (10), and the lower workbench (10) is arranged corresponding to the upper workbench (7).
4. The hydraulic press pressure buffering device as claimed in claim 1, characterized in that the top ends of the two top blocks (13) extend to the upper side of the lower beam (1), and the two top blocks (13) are respectively matched with the two rubber pads (6).
5. The hydraulic press pressure buffering device as claimed in claim 1, characterized in that a limiting ring (19) is fixedly mounted on the inner wall of the cylinder (15) close to the cylinder opening, and the moving rod (17) is movably mounted in the limiting ring (19).
6. The hydraulic press pressure buffering device as claimed in claim 5, wherein the inner wall of the limiting ring (19) is provided with an annular groove (20), a plurality of balls (21) are uniformly and rollably mounted in the annular groove (20) at equal intervals, and the ends of the plurality of balls (21) close to each other all extend out of the annular groove (20) and all contact with the movable rod (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021075852.4U CN212839144U (en) | 2020-06-12 | 2020-06-12 | Pressure buffering device of hydraulic machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021075852.4U CN212839144U (en) | 2020-06-12 | 2020-06-12 | Pressure buffering device of hydraulic machine |
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| CN212839144U true CN212839144U (en) | 2021-03-30 |
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| CN202021075852.4U Active CN212839144U (en) | 2020-06-12 | 2020-06-12 | Pressure buffering device of hydraulic machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113620093A (en) * | 2021-06-30 | 2021-11-09 | 合肥三利谱光电科技有限公司 | Tension adjusting device for polarizing film feeding |
-
2020
- 2020-06-12 CN CN202021075852.4U patent/CN212839144U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113620093A (en) * | 2021-06-30 | 2021-11-09 | 合肥三利谱光电科技有限公司 | Tension adjusting device for polarizing film feeding |
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