CN217761522U - Hydraulic cylinder with high buffer performance - Google Patents

Abstract

The utility model discloses a hydraulic oil cylinder with high buffer performance, which is provided with a cylinder barrel, wherein the top of the cylinder barrel is connected with a movable rod in a penetrating way, the bottom of the movable rod is fixed with a piston, the piston is attached to the inside of the cylinder barrel and slides, and a fixed rod is arranged outside the top of the movable rod; further comprising: the bottom of the inner side of the cylinder barrel is connected with a buffer plate, first magnetic columns are symmetrically fixed at the bottom of the buffer plate, the first magnetic columns are connected in first grooves, and the first grooves are formed in the bottom of the inner side of the cylinder barrel; the top of the inner side of the cylinder barrel is connected with a buffer ring, second magnetic columns are symmetrically arranged at the top of the buffer ring, and the second magnetic columns are connected in the second grooves; the outside laminating of cylinder is provided with the heat dissipation frame, and the internal connection of heat dissipation frame has the fan. This hydraulic cylinder with high shock-absorbing capacity can carry out high-efficient buffering between piston and the pneumatic cylinder in the process, can carry out the heat dissipation simultaneously and handle when the operation.

Description

Hydraulic cylinder with high buffer performance

Technical Field

The utility model relates to a hydraulic cylinder technical field specifically is a hydraulic cylinder with high shock-absorbing capacity.

Background

The hydraulic oil cylinder mainly has the functions of converting hydraulic motion into mechanical energy, can be used for a common structure which can do linear reciprocating motion, is usually used for stamping forming, shaping, clamping and fixing mechanical parts and the like in the mechanical industry, and therefore plays an important role in the mechanical field, but the existing hydraulic oil cylinder has the following problems in the using process:

current hydraulic cylinder is because the impact is too big in the use, lead to the inside piston both ends of hydraulic cylinder to bump with hydraulic cylinder, the life of hydraulic cylinder has been reduced for a long time, thereby lead to the quick hydraulic cylinder who updates of needs to work, and then the use cost of people has been increased, hydraulic cylinder installs usually and uses in mechanical equipment simultaneously, the heat that its self produced and mechanical equipment produced is too big, when using for a long time, hydraulic cylinder's heat dissipation is unfavorable for, lead to its mechanical properties to descend to some extent easily, and then be not convenient for long-term the use.

We have therefore proposed a hydraulic ram with high damping capacity in order to solve the problems set out above.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hydraulic cylinder with high shock-absorbing capacity to it is great with pneumatic cylinder collision impact effect in the current hydraulic cylinder use on the existing market that the above-mentioned background art provided to solve, is not convenient for carry out the problem of thermal treatment when the operation simultaneously.

In order to achieve the above object, the utility model provides a following technical scheme: a hydraulic cylinder with high buffering performance comprises a cylinder barrel, wherein a movable rod penetrates through the top of the cylinder barrel, a piston is fixed at the bottom of the movable rod, the piston is attached to the inside of the cylinder barrel to slide, and a fixed rod is installed on the outer side of the top of the movable rod;

further comprising:

the bottom of the inner side of the cylinder barrel is connected with a buffer plate, first magnetic columns are symmetrically fixed at the bottom of the buffer plate and connected in first grooves, the first grooves are formed in the bottom of the inner side of the cylinder barrel, and first magnetic blocks are installed at the bottom of the first grooves;

the top of the inner side of the cylinder barrel is connected with a buffer ring, second magnetic columns are symmetrically arranged on the top of the buffer ring and connected in second grooves, the second grooves are formed in the top of the inner side of the cylinder barrel, and second magnetic blocks are arranged on the top of the second grooves;

the outside laminating of cylinder is provided with the heat dissipation frame, and the internal connection of heat dissipation frame has the fan to the louvre has been seted up to equidistant on the heat dissipation frame.

Preferably, the bottom buffer structure is formed by the first magnetic column, the first magnetic block and the first groove of the buffer plate, the magnetic poles of the first magnetic column and the first magnetic block are the same, and the first magnetic column, the first magnetic block and the first groove are in corresponding positions, so that the buffer plate drives the first magnetic column to move in the first groove and then to be close to the first magnetic block.

Preferably, the buffer ring forms a top buffer structure through the second magnetic column, the second groove and the second magnetic block, the second magnetic column and the second magnetic block are arranged in the same polarity, and the movable rod penetrates through the middle part of the buffer ring, so that the buffer ring can buffer the first magnetic column and the second magnetic block under the action of repulsive force after driving the first magnetic column to move in the second groove.

Preferably, the caulking groove has been seted up to the equidistant on the lateral wall of cylinder, and is connected with flexible piece in the caulking groove to the tip of flexible piece is hemispherical structure, and in the tip of flexible piece stretches out to the cylinder, installs the second spring between flexible piece and the caulking groove simultaneously, makes flexible piece pass through the second spring and removes in the caulking groove, and then cushions the hydro-cylinder.

Preferably, the top of cylinder is connected with the lantern ring, and runs through in the lantern ring and be connected with the movable rod to the bottom symmetry of lantern ring articulates there is the connecting rod, and the bottom of connecting rod is articulated mutually with the pinion rack, and the pinion rack is connected in the cross slot that the cylinder top symmetry was seted up simultaneously, makes the lantern ring move down the back and will drive the connecting rod and rotate, and the connecting rod will promote the pinion rack and move in the cross slot.

Preferably, install first spring between pinion rack and the cross slot, and the below of pinion rack is connected with the gear to the gear is connected with the montant through the awl tooth connecting piece, and the montant runs through the bearing and connects in the inboard bottom of heat dissipation frame moreover, makes the pinion rack remove the back and will compress first spring, and can drive gear revolve, drives the montant through the awl tooth connecting piece and rotate after the gear revolve.

Preferably, the vertical rods are connected with the fans at equal intervals through the bevel gear connecting pieces, the fan bearings are connected to the heat dissipation frame, and the fans, the heat dissipation frame and the heat dissipation holes form a heat dissipation structure, so that after the vertical rods drive the fans to rotate through the bevel gear connecting pieces, gas can flow quickly, and heat evacuation is conducted through the heat dissipation holes.

Compared with the prior art, the beneficial effects of the utility model are that:

1. when the movable rod drives the piston to move up and down in the cylinder barrel, if the movable rod is contacted with the bottom, the movable rod can abut against the buffer plate, the buffer plate can drive the first magnetic column at the bottom to move in the first groove, the first magnetic column can be close to the first magnetic block, the buffer plate is driven to reset under the action of repulsion force, the bottom of the cylinder barrel is buffered and protected, if the movable rod is contacted with the top, the movable rod can abut against the buffer ring, the buffer ring can drive the second magnetic column to slide in the second groove, the second magnetic column can be close to the second magnetic block, the second magnetic block can reset under the action of repulsion force, the top of the cylinder barrel is buffered and protected, the telescopic block is further arranged on the side wall of the cylinder barrel, when the piston is contacted with the telescopic block, the telescopic block can compress the second spring to perform telescopic sliding in the caulking groove, and the piston in the operation process also has a certain buffering effect, so that the whole hydraulic cylinder has higher buffering performance;

2. this hydraulic cylinder with high shock-absorbing capacity, when the movable rod moves the in-process and drives the fixed rod and carry out the butt to the lantern ring, the lantern ring will move down, and then drive the connecting rod and rotate, the connecting rod will drive the pinion rack and remove in the cross slot after rotating, and then compress first spring, and the pinion rack can drive the gear revolve of below when removing, will drive the montant through the awl tooth connecting piece after the gear revolve and rotate, will drive the fan through the awl tooth connecting piece after the montant rotates and rotate, will accelerate the air flow in the heat dissipation frame after the fan rotates, thereby blow off the heat of inside from the louvre, and then carry out the thermal treatment to hydraulic cylinder.

Drawings

FIG. 1 is a schematic view of the overall front cut structure of the present invention;

FIG. 2 is a schematic view of the three-dimensional structure of the buffer plate and the first magnetic pillar of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

FIG. 4 is an enlarged schematic view of the structure of FIG. 1 at B according to the present invention;

fig. 5 is the utility model discloses heat dissipation frame cuts open structure schematic diagram downwards.

In the figure: 1. a cylinder barrel; 2. a movable rod; 3. a buffer plate; 4. a first magnetic pillar; 5. a piston; 6. a first magnetic block; 7. a first groove; 8. a buffer ring; 9. a second magnetic pillar; 10. a second groove; 11. a second magnetic block; 12. fixing the rod; 13. a collar; 14. a connecting rod; 15. a toothed plate; 16. a transverse groove; 17. a first spring; 18. a gear; 19. a vertical rod; 20. a fan; 21. a heat dissipation frame; 22. heat dissipation holes; 23. caulking grooves; 24. a telescopic block; 25. a second spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a hydraulic cylinder with high buffering performance comprises a cylinder barrel 1, wherein a movable rod 2 is connected to the top of the cylinder barrel 1 in a penetrating mode, a piston 5 is fixed to the bottom of the movable rod 2, the piston 5 is attached to the inside of the cylinder barrel 1 in a sliding mode, and a fixed rod 12 is installed on the outer side of the top of the movable rod 2;

further comprising: the bottom of the inner side of the cylinder barrel 1 is connected with a buffer plate 3, first magnetic columns 4 are symmetrically fixed at the bottom of the buffer plate 3, the first magnetic columns 4 are connected into a first groove 7, the first groove 7 is formed in the bottom of the inner side of the cylinder barrel 1, meanwhile, first magnetic blocks 6 are installed at the bottom of the first groove 7, the buffer plate 3 forms a bottom buffer structure through the first magnetic columns 4, the first magnetic blocks 6 and the first groove 7, the magnetic poles of the first magnetic columns 4 and the first magnetic blocks 6 are the same, the first magnetic columns 4, the first magnetic blocks 6 and the first groove 7 are corresponding in position, as shown in fig. 1-2, when the piston 5 is driven to move to the bottom, the first magnetic columns 4 and the first magnetic blocks 6 are abutted against the buffer plate 3 at the bottom, so that the buffer plate 3 is impacted, the buffer plate 3 drives the first magnetic columns 4 to slide in the first groove 7, so that the first magnetic columns 4 and the first magnetic blocks 6 are close to each other, and repulsion force is generated, so that the buffer plate 3 is reset, and the inner side of the cylinder barrel 1 is protected, and the bottom of the cylinder barrel is prevented from being damaged;

the top of the inner side of the cylinder barrel 1 is connected with a buffer ring 8, the top of the buffer ring 8 is symmetrically provided with second magnetic columns 9, the second magnetic columns 9 are connected into a second groove 10, the second groove 10 is formed in the top of the inner side of the cylinder barrel 1, meanwhile, a second magnetic block 11 is installed at the top of the second groove 10, the buffer ring 8 forms a top buffer structure through the second magnetic columns 9, the second groove 10 and the second magnetic block 11, the second magnetic columns 9 and the second magnetic block 11 are arranged in the same polarity, and a movable rod 2 penetrates through the middle of the buffer ring 8, as shown in fig. 1, when a piston 5 moves to the top of the cylinder barrel 1, the buffer ring 8 is abutted to the buffer ring 8, the buffer ring 8 is impacted to drive the second magnetic columns 9 to slide in the second groove 10, the second magnetic columns 9 and the second magnetic blocks 11 are made to approach each other, and reset is made under the action of repulsion force, so that the top of the cylinder barrel 1 is buffered and protected;

the side wall of the cylinder barrel 1 is provided with caulking grooves 23 at equal intervals, the caulking grooves 23 are connected with telescopic blocks 24, the end parts of the telescopic blocks 24 are of a hemispherical structure, the end parts of the telescopic blocks 24 extend into the cylinder barrel 1, and meanwhile, second springs 25 are arranged between the telescopic blocks 24 and the caulking grooves 23, as shown in fig. 1 and 4, in the process that the piston 5 runs in the cylinder barrel 1, the piston can be in contact with the telescopic blocks 24 on the inner wall to be extruded, so that the telescopic blocks 24 slide in the caulking grooves 23, the second springs 25 are compressed, and the piston 5 is buffered in the running process;

the top of the cylinder barrel 1 is connected with a lantern ring 13, the lantern ring 13 is connected with a movable rod 2 in a penetrating manner, the bottom of the lantern ring 13 is symmetrically hinged with a connecting rod 14, the bottom of the connecting rod 14 is hinged with a toothed plate 15, the toothed plate 15 is connected into a transverse groove 16 symmetrically formed in the top of the cylinder barrel 1, a first spring 17 is installed between the toothed plate 15 and the transverse groove 16, the toothed plate 15 is connected with a gear 18 through a bevel gear connecting piece, a gear 18 embedded bearing is connected to the inner side of the top of the cylinder barrel 1, the gear 18 is connected with a vertical rod 19 through a bevel gear connecting piece, the vertical rod 19 is connected to the bottom of the inner side of a radiating frame 21 through a bearing, as shown in fig. 1 and 3-5, when the movable rod 2 moves, the fixed rod 12 is driven to move synchronously, the fixed rod 12 is pressed against the lantern ring 13 after moving downwards, the lantern ring 13 is pressed to move downwards, the lantern ring 13 drives the connecting rod 14 to rotate, after the connecting rod 14 rotates, the toothed plate 15 drives the toothed plate 15 to move in the transverse groove 16, and then compresses the first spring 17, and when the toothed plate 15 moves, the toothed plate 15 drives the gear 18 rotates, the toothed plate 18 rotates;

the outside laminating of cylinder 1 is provided with heat dissipation frame 21, and the internal connection of heat dissipation frame 21 has fan 20, and heat dissipation hole 22 has been seted up to equidistant on heat dissipation frame 21, be connected with fan 20 through the equidistant of awl tooth connecting piece on the montant 19, and fan 20 bearing connection is on heat dissipation frame 21, and fan 20, heat dissipation frame 21 and heat dissipation hole 22 constitute heat radiation structure, as shown in fig. 4-5, after montant 19 rotates, montant 19 will drive fan 20 through the awl tooth connecting piece and rotate in heat dissipation frame 21, will accelerate the air flow rate in heat dissipation frame 21 after fan 20 rotates, thereby make gas discharge from heat dissipation hole 22, thereby go out some heat conduction when moving the hydro-cylinder, avoid high temperature and cause the damage to the hydro-cylinder.

The working principle is as follows: when the hydraulic oil cylinder with high buffering performance is used, as shown in fig. 1-5, firstly, the movable rod 2 drives the piston 5 to reciprocate in the cylinder barrel 1, when the piston 5 moves to the bottom, the piston 5 abuts against the buffer plate 3, the buffer plate 3 drives the first magnetic column 4 to slide in the first groove 7 and further approach to the first magnetic block 6, the buffer plate 3 is pushed to reset under the action of repulsion force, so that the bottom of the cylinder barrel 1 is buffered and protected, when the piston 5 moves to the top, the piston 5 abuts against the buffer ring 8, the buffer ring 8 drives the second magnetic column 9 to slide in the second groove 10 and further approach to the second magnetic block 11, and then the piston returns under the action of repulsion force, so that the top of the cylinder barrel 1 is buffered and protected, in the operation process of the piston 5 in the cylinder barrel 1, the piston 5 can also contact and extrude the telescopic block 24, the telescopic block 24 slides in the caulking groove 23 and compresses the second spring 25, so that the piston 5 is buffered and processed in the operation process;

can drive dead lever 12 synchronous motion when movable rod 2 removes, dead lever 12 can move with lantern ring 13 butt, lantern ring 13 is pressed and is moved down, and then drive connecting rod 14 and rotate, connecting rod 14 will promote pinion rack 15 and remove in cross slot 16, and then compress first spring 17, and pinion rack 15 can drive gear 18 when removing and rotate, can drive montant 19 through the awl tooth connecting piece after gear 18 rotates and rotate, drive fan 20 through the awl tooth connecting piece after montant 19 rotates and rotate, and then will accelerate the air flow rate in heat dissipation frame 21, thereby make gas discharge from louvre 22, thereby go out heat conduction part when moving the hydro-cylinder, avoid high temperature and cause the damage to the hydro-cylinder, thereby accomplish a series of work.

Those not described in detail in this specification are within the skill of the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (7)

1. A hydraulic oil cylinder with high buffering performance comprises an arranged cylinder barrel (1), wherein the top of the cylinder barrel (1) is connected with a movable rod (2) in a penetrating mode, the bottom of the movable rod (2) is fixedly provided with a piston (5), the piston (5) and the cylinder barrel (1) are attached to each other and slide, and meanwhile a fixing rod (12) is installed on the outer side of the top of the movable rod (2);

the method is characterized in that: further comprising:

the bottom of the inner side of the cylinder barrel (1) is connected with a buffer plate (3), first magnetic columns (4) are symmetrically fixed at the bottom of the buffer plate (3), the first magnetic columns (4) are connected into first grooves (7), the first grooves (7) are formed in the bottom of the inner side of the cylinder barrel (1), and first magnetic blocks (6) are installed at the bottom of the first grooves (7);

the top of the inner side of the cylinder barrel (1) is connected with a buffer ring (8), second magnetic columns (9) are symmetrically installed at the top of the buffer ring (8), the second magnetic columns (9) are connected into a second groove (10), the second groove (10) is formed in the top of the inner side of the cylinder barrel (1), and a second magnetic block (11) is installed at the top of the second groove (10);

the outside laminating of cylinder (1) is provided with heat dissipation frame (21), and the internal connection of heat dissipation frame (21) has fan (20) to louvre (22) have been seted up to heat dissipation frame (21) equidistant.

2. A hydraulic ram having high cushioning capacity as claimed in claim 1, wherein: the buffer plate (3) forms a bottom buffer structure through the first magnetic column (4), the first magnetic block (6) and the first groove (7), the magnetic poles of the first magnetic column (4) and the first magnetic block (6) are the same, and the first magnetic column (4), the first magnetic block (6) and the first groove (7) correspond in position.

3. A hydraulic ram having high damping capacity as claimed in claim 1, wherein: buffer ring (8) constitute top buffer structure through second magnetic pillar (9), second recess (10) and second magnetic path (11), and second magnetic pillar (9) and second magnetic path (11) are homopolar setting to the middle part of buffer ring (8) is run through has movable rod (2).

4. A hydraulic ram having high damping capacity as claimed in claim 1, wherein: caulking groove (23) have been seted up to the equidistant caulking groove (23) on the lateral wall of cylinder (1), and be connected with flexible piece (24) in caulking groove (23) to the tip of flexible piece (24) is hemispherical structure, and stretch out to in cylinder (1) the tip of flexible piece (24) moreover, installs second spring (25) between flexible piece (24) and caulking groove (23) simultaneously.

5. A hydraulic ram having high damping capacity as claimed in claim 1, wherein: the top of cylinder (1) is connected with the lantern ring (13), and runs through in the lantern ring (13) and be connected with movable rod (2) to the bottom symmetry of lantern ring (13) articulates there is connecting rod (14), and the bottom of connecting rod (14) is articulated mutually with pinion rack (15) moreover, and pinion rack (15) are connected in horizontal groove (16) that cylinder (1) top symmetry was seted up simultaneously.

6. A hydraulic ram having high cushioning properties as set forth in claim 5 wherein: install first spring (17) between pinion rack (15) and cross slot (16), and the below of pinion rack (15) is connected with gear (18) to the embedded bearing of gear (18) is connected in the top inboard of cylinder (1), and gear (18) are connected with montant (19) through the awl tooth connecting piece moreover, and montant (19) run through the bearing and connect in the inboard bottom of heat dissipation frame (21) simultaneously.

7. A hydraulic ram having high cushioning properties as set forth in claim 6 wherein: the vertical rod (19) is connected with the fan (20) at equal intervals through the bevel gear connecting piece, the fan (20) is connected to the heat dissipation frame (21) through a bearing, and the fan (20), the heat dissipation frame (21) and the heat dissipation hole (22) form a heat dissipation structure.

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