CN207500391U - The buffer unit of hydraulic press - Google Patents
The buffer unit of hydraulic press Download PDFInfo
- Publication number
- CN207500391U CN207500391U CN201721641682.XU CN201721641682U CN207500391U CN 207500391 U CN207500391 U CN 207500391U CN 201721641682 U CN201721641682 U CN 201721641682U CN 207500391 U CN207500391 U CN 207500391U
- Authority
- CN
- China
- Prior art keywords
- underbeam
- cylinder
- piston
- connect
- lead
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Presses And Accessory Devices Thereof (AREA)
Abstract
The utility model discloses a kind of buffer units of hydraulic press, the top of pedestal is equipped with underbeam, multiple support columns are uniformly provided between pedestal and underbeam, the upper end of each support column is equipped with lead, the outer wall of lead is arranged with damping spring, the upper end both sides of underbeam are embedded with cushion dashpot, piston is equipped in cylinder body, the side wall of piston is equipped with oil-recovery tank in an axial direction, the upper end of piston is connect with piston rod, cylinder cap is stretched out in the upper end of piston rod, and the buffer spring for being used to support piston, piston rod is equipped in the rodless cavity of cushion dashpot；Lower table is equipped between the upper end of underbeam, two cushion dashpots, the surface of lower table is equipped with upper table, and upper table is installed on the lower face of dynamic beam, and the top for moving beam is equipped with upper beam, hydraulic cylinder is installed on the bottom of upper beam, and the telescopic rod of hydraulic cylinder is connect with dynamic beam.The utility model carries simple in structure, the problem of cushion performance for solving hydraulic press in the prior art is poor, and service life of equipment is low.
Description
Technical field
The utility model belongs to technical field of hydraulic mechanical equipment, is related to a kind of buffer unit of hydraulic press.
Background technology
Hydraulic press be by hydraulic energy transfer be mechanical energy, do straight reciprocating motion, be used widely in production and processing；
However, existing hydraulic press is in use, the poor performance of buffering, dynamic beam speed during moving downward is higher, under
Larger impact force is easily generated when workbench contacts to lower table, lower table is caused situation about damaging occur；Hydraulic press
Underbeam and pedestal between for rigid connection, underbeam needs to bear larger pressure during workpieces processing, and easily underbeam is made
Into damage, service life of equipment is reduced.
Utility model content
In order to achieve the above object, the utility model provides a kind of buffer unit of hydraulic press, simple in structure, solves existing
The problem of cushion performance for having hydraulic press in technology is poor, and service life of equipment is low.
For the utility model the technical scheme adopted is that a kind of buffer unit of hydraulic press, the top of pedestal is equipped with underbeam,
Multiple support columns are uniformly provided between pedestal and underbeam, the upper end of each support column is equipped with lead, the outer wall set of lead
Equipped with damping spring, the lower end of damping spring is connect with support column, and the upper end of damping spring is connect with underbeam, the bottom of underbeam,
Position corresponding with lead offers circular groove, and the upper end of lead is stretched into groove and existed between groove top slow
Gap is rushed, the diameter of groove is less than the diameter of lead；The upper end both sides of underbeam are embedded with cushion dashpot, the cylinder body of cushion dashpot
Lower end closed, the upper end of cylinder body are equipped with cylinder cap, and cylinder cap is equipped with check valve, is equipped with piston in cylinder body, the side wall of piston is in an axial direction
Equipped with oil-recovery tank, the upper end of piston is connect with piston rod, and cylinder cap is stretched out in the upper end of piston rod, is equipped in the rodless cavity of cushion dashpot
Buffer spring, the lower end of buffer spring and the bottom of cylinder body connect, and the upper end of buffer spring is connect with piston base；Underbeam it is upper
Lower table is equipped between end, two cushion dashpots, the height of lower table is less than not by the height of the piston rod of pressure, cushion dashpot
Cylinder cap height be less than lower table height；The surface of lower table be equipped with upper table, the bottom of upper table, with
The corresponding position of piston rod is equipped with rubber pad, and upper table is installed on the lower face of dynamic beam, and the top for moving beam is equipped with upper beam, moves beam
It is slidably connected with body, upper beam is fixedly connected with body, and hydraulic cylinder is installed on the bottom of upper beam, the telescopic rod of hydraulic cylinder and dynamic beam
Connection.
The utility model is further characterized in that further, the check valve is connect by oil pipe with fuel tank.
Further, the hydraulic cylinder is connect by oil pipe with petrol station.
The beneficial effects of the utility model are：Beam is moved when the telescopic rod of hydraulic cylinder drives, upper table moves downward, upper work
Make rubber pad elder generation and the plunger rod contacts of platform bottom, piston rod moves downward under the action of upper table, compresses in rodless cavity
Hydraulic oil and buffer spring, the energy that buffer spring is moved downward by compressive deformation post consumption partial piston bar, while hydraulic pressure
Oil moves upwards the falling speed for continuing to move downward generation resistance, reducing upper table to piston rod along oil-recovery tank, reduces
Impact force when upper table is contacted with lower table reduces the damage to equipment, prolongs the service life.
After the completion of work pieces process, upper table moves upwards under the action of hydraulic cylinder, and buffer spring restores elastic shape
Become, hydraulic oil is moved downward along oil-recovery tank and flow back into rodless cavity；The bottom of underbeam, position corresponding with lead offer circle
The groove of shape, there are buffer gap between the upper end of lead and groove, the diameter of groove is less than the diameter of lead, and workpiece adds
The larger pressure that working hour generates, under the cooperation of damping spring, buffer gap, plays cushioning effect, can effectively reduce down
Active force between beam and pedestal, prevents excessive pressure from being damaged to underbeam, and damping spring is set in the outer wall of lead, carries
The stability of high underbeam.
Description of the drawings
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the structure diagram of the utility model embodiment.
In figure, 1. pedestals, 2. underbeams, 3. lower tables, 4. upper tables, 5. dynamic beams, 6. support columns, 7. leads, 8.
Damping spring, 9. grooves, 10. cylinder bodies, 11. cylinder caps, 12. pistons, 13. oil-recovery tanks, 14. buffer springs, 15. piston rods, 16. is single
To valve, 17. rubber pads, 18. hydraulic cylinders, 19. upper beams, 20. cushion dashpots.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained shall fall within the protection scope of the present invention.
The structure of the utility model embodiment, as shown in Figure 1, the top of pedestal 1 is equipped with underbeam 2, pedestal 1 and underbeam 2 it
Between be uniformly provided with multiple support columns 6, distance is 10-20cm between two neighboring support column 6, and the upper end of each support column 6 is all provided with
There is lead 7, the outer wall of lead 7 is arranged with damping spring 8, and the lower end of damping spring 8 is connect with support column 6, damping spring 8
Upper end connect with underbeam 2, the bottom of underbeam 2 offers circular groove 9 with 7 corresponding position of lead, lead 7
Groove 9 is stretched into and between 9 top of groove there are buffer gap in upper end, and the diameter of groove 9 is less than the diameter of lead 7；Underbeam 2
Upper end both sides be embedded with cushion dashpot 20, the lower end closed of the cylinder body 10 of cushion dashpot 20, the upper end of cylinder body 10 is equipped with cylinder cap 11,
Cylinder cap 11 is equipped with check valve 16, and piston 12 is equipped in cylinder body 10, and the side wall of piston 12 is equipped with oil-recovery tank 13, piston 12 in an axial direction
Upper end connect with piston rod 15, cylinder cap 11 is stretched out in the upper end of piston rod 15, is equipped in the rodless cavity of cushion dashpot 20 for branch
The buffer spring 14 of piston 12, piston rod 15 is supportted, the lower end of buffer spring 14 is connect with the bottom of cylinder body 10, buffer spring 14
Upper end is connect with 12 bottom of piston；Lower table 3, the height of lower table 3 are equipped between the upper end of underbeam 2, two cushion dashpots 20
Degree is less than by the height of the piston rod of pressure 15, the height of the cylinder cap 11 of cushion dashpot 20 is not less than the height of lower table 3；Lower work
The surface for making platform 3 is equipped with upper table 4, and the bottom of upper table 4 is equipped with rubber pad 17 with 15 corresponding position of piston rod,
Upper table 4 is installed on the lower face of dynamic beam 5, and the top for moving beam 5 is equipped with upper beam 19, and dynamic beam 5 is slidably connected with body, upper beam 19
It is fixedly connected with body, hydraulic cylinder 18 is installed on the bottom of upper beam 19, and the telescopic rod of hydraulic cylinder 18 is connect with dynamic beam 5, for band
Dynamic beam 5 moves up and down；Check valve 16 is connect by oil pipe with fuel tank, and hydraulic cylinder 18 is connect by oil pipe with petrol station.
The operation principle of the utility model embodiment：In use, workpiece is put on lower table 3, hydraulic cylinder 18 is stretched
Contracting bar drives dynamic beam 5, upper table 4 to move downward, and the rubber pad 17 of 4 bottom of upper table is first contacted with piston rod 15, upper
Piston rod 15 moves downward under the action of workbench 4, compresses hydraulic oil and buffer spring 14 in rodless cavity, 14 quilt of buffer spring
Compressive deformation post consumption portion of energy, hydraulic oil is moved upwards along oil-recovery tank 13 continues to move downward generation resistance to piston rod 15
Power reduces the falling speed of upper table 4, reduces impact force when upper table 4 is contacted with lower table 3, reduces to equipment
Damage, prolong the service life；After the completion of work pieces process, upper table 4 moves upwards under the action of hydraulic cylinder 18, buffering
Spring 14 restores elastic deformation, and hydraulic oil is moved downward along oil-recovery tank 13, flowed back in rodless cavity；The bottom of underbeam 2 and lead
7 corresponding positions offer circular groove 9, and there are buffer gap, the diameters of groove 9 between the upper end of lead 7 and groove 9
Less than the diameter of lead 7；The larger pressure generated during work pieces process under the cooperation of damping spring 8, buffer gap, rises
To the effect of buffering underbeam 2, the active force between underbeam 2 and pedestal 1 can be effectively reduced, prevents excessive pressure from being made to underbeam 2
Into damage, damping spring 8 is set in the outer wall of lead 7, improves the stability of underbeam 2.
It should be noted that herein, term " comprising ", "comprising" or its any other variant are intended to non-row
His property includes, so that process, method, article or equipment including a series of elements not only include those elements, and
And it further includes other elements that are not explicitly listed or further includes intrinsic for this process, method, article or equipment institute
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including institute
State in process, method, article or the equipment of element that also there are other identical elements.
The above is only the preferred embodiment of the utility model only, is not intended to limit the protection model of the utility model
It encloses.Any modification, equivalent substitution, improvement and etc. made within the spirit and principles of the present invention, are all contained in this reality
With in novel protection domain.
Claims (3)
1. a kind of buffer unit of hydraulic press, which is characterized in that the top of pedestal (1) is equipped with underbeam (2), pedestal (1) and underbeam
(2) be uniformly provided with multiple support columns (6) between, the upper end of each support column (6) is equipped with lead (7), lead (7) it is outer
Wall is arranged with damping spring (8), and the lower end of damping spring (8) is connect with support column (6), the upper end of damping spring (8) and underbeam
(2) connect, the bottom of underbeam (2), position corresponding with lead (7) offer circular groove (9), lead (7) it is upper
End stretch into groove (9) and at the top of groove (9) between there are buffer gap, the diameter of groove (9) is less than the straight of lead (7)
Diameter；The upper end both sides of underbeam (2) are embedded with cushion dashpot (20), the lower end closed of the cylinder body (10) of cushion dashpot (20), cylinder body
(10) upper end is equipped with cylinder cap (11), and cylinder cap (11) is equipped with check valve (16), piston (12), piston are equipped in cylinder body (10)
(12) side wall is equipped with oil-recovery tank (13) in an axial direction, and the upper end of piston (12) connect with piston rod (15), piston rod (15) it is upper
Cylinder cap (11) is stretched out at end, and buffer spring (14), the lower end of buffer spring (14) and cylinder are equipped in the rodless cavity of cushion dashpot (20)
The bottom connection of body (10), the upper end of buffer spring (14) is connect with piston (12) bottom；The upper end of underbeam (2), two bufferings
Lower table (3) is equipped between cylinder (20), the height of lower table (3) is less than not by the height of the piston rod of pressure (15), delays
The height for rushing the cylinder cap (11) of cylinder (20) is less than the height of lower table (3)；The surface of lower table (3) is equipped with upper table
(4), the bottom of upper table (4), position corresponding with piston rod (15) are equipped with rubber pad (17), and upper table (4) is installed on
The lower face of dynamic beam (5), the top for moving beam (5) are equipped with upper beam (19), and dynamic beam (5) is slidably connected with body, upper beam (19) and machine
Body is fixedly connected, and hydraulic cylinder (18) is installed on the bottom of upper beam (19), and the telescopic rod of hydraulic cylinder (18) is connect with dynamic beam (5).
2. the buffer unit of a kind of hydraulic press according to claim 1, which is characterized in that the check valve (16) passes through oil
Pipe is connect with fuel tank.
3. the buffer unit of a kind of hydraulic press according to claim 1, which is characterized in that the hydraulic cylinder (18) passes through oil
Pipe is connect with petrol station.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721641682.XU CN207500391U (en) | 2017-11-30 | 2017-11-30 | The buffer unit of hydraulic press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721641682.XU CN207500391U (en) | 2017-11-30 | 2017-11-30 | The buffer unit of hydraulic press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207500391U true CN207500391U (en) | 2018-06-15 |
Family
ID=62507689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721641682.XU Active CN207500391U (en) | 2017-11-30 | 2017-11-30 | The buffer unit of hydraulic press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207500391U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107869550A (en) * | 2017-11-30 | 2018-04-03 | 宝鸡市金盛源钛业有限公司 | The buffer unit of hydraulic press |
| CN109648904A (en) * | 2018-12-05 | 2019-04-19 | 佛山科学技术学院 | A kind of hydraulic press |
-
2017
- 2017-11-30 CN CN201721641682.XU patent/CN207500391U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107869550A (en) * | 2017-11-30 | 2018-04-03 | 宝鸡市金盛源钛业有限公司 | The buffer unit of hydraulic press |
| CN109648904A (en) * | 2018-12-05 | 2019-04-19 | 佛山科学技术学院 | A kind of hydraulic press |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206487997U (en) | A kind of plant equipment damping device with Telescopic | |
| CN203513023U (en) | Elevator shock pad | |
| CN207500391U (en) | The buffer unit of hydraulic press | |
| CN208643767U (en) | A kind of high speed stamping device with long service life | |
| CN107869550A (en) | The buffer unit of hydraulic press | |
| CN206427608U (en) | A kind of buffer unit with the supporting ribbon conveyer of development machine | |
| CN103639795A (en) | Clamping device with reset rods | |
| CN203868236U (en) | Mechanical equipment shock absorbing cushion block | |
| CN206999725U (en) | A kind of strong hydraulic press of bearing capacity | |
| CN210397571U (en) | Damping device of gas-liquid press | |
| CN204773733U (en) | Safe strutting arrangement of hydraulic press | |
| CN207549547U (en) | Hydraulic type hydraulic press | |
| CN206689361U (en) | A kind of novel forging press | |
| CN204664268U (en) | Hydraulic buffer | |
| CN209174714U (en) | Punching press shaping equipment for punching press auto pedal | |
| CN206967111U (en) | A kind of cylinder buffering position limiting structure | |
| CN208628568U (en) | The saw frame up and down balance system system of ultrahigh speed horizontal band sawing machine | |
| CN215826051U (en) | Buffer device for large hydraulic press | |
| CN205989390U (en) | Both-end station Contiuum type profiling cornering machine | |
| CN220920722U (en) | Stamping die with shock-absorbing structure | |
| CN104859175A (en) | Safety supporting device of oil press | |
| CN213767285U (en) | Shock-absorbing impact-resistant hydraulic machine | |
| CN204878113U (en) | Slip table cylinder | |
| CN212803843U (en) | Elastic support roller mechanism | |
| CN221434671U (en) | Stamping die with noise reduction function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |