CN205047578U - Numerical control hydraulic pressure sheet material tubulation make -up machine and hydraulic cylinder thereof - Google Patents
Numerical control hydraulic pressure sheet material tubulation make -up machine and hydraulic cylinder thereof Download PDFInfo
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- CN205047578U CN205047578U CN201520824464.4U CN201520824464U CN205047578U CN 205047578 U CN205047578 U CN 205047578U CN 201520824464 U CN201520824464 U CN 201520824464U CN 205047578 U CN205047578 U CN 205047578U
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Abstract
The utility model discloses a numerical control hydraulic pressure sheet material tubulation make -up machine and hydraulic cylinder thereof belongs to numerical control hydraulic press technical field. This hydraulic cylinder includes cylinder body, piston rod and uide bushing, the cylinder body be beta -barrel structure, the one end of cylinder body is equipped with the blind hole of echelonment, the blind hole of this echelonment includes from outer inward uide bushing mounting hole and main aperture, the uide bushing install in the uide bushing mounting hole to with cylinder body fixed connection, the one end of piston rod pass the uide bushing postposition in the main aperture, the other end of piston rod stretches out the outer terminal surface of uide bushing, piston rod and main aperture between be equipped with piston rod seal assembly, be equipped with uide bushing seal assembly between piston rod and the uide bushing, be equipped with the static seal between uide bushing mounting hole and the uide bushing. The utility model discloses effectively guaranteed the bearing pressure and the shock resistance of hydro -cylinder, spare part is few, has simple structure, and sealing performance is good, advantages such as long service life.
Description
Technical field
The utility model belongs to numerically controlled hydraulic press technical field, more particularly, relates to a kind of numerical-control hydraulic sheet metal tubulation forming machine and hydraulic jack thereof.
Background technique
Hydraulic press is a kind of machinery utilizing hydrostatic pressure to carry out the goods such as processing metal, plastics, rubber, timber, powder.It is usually used in pressing process and block pressing forming process, as: forging and stamping, punching press, cold-extruded, alignment, bending, flange, process of sheet drawing, powder metallurgy, press-fits etc.Its principle is the machinery utilizing liquid pressure transmission utilizing Pascal's law to make, and kind is a lot.Certainly, purposes is also diversified as required, as divided by the class of liquids transmitting pressure, has oil hydraulic press and the large class of hydraulic press two.
Distinguish by the direction of active force, hydraulic press has vertical and horizontal two kinds.Most hydraulic press is vertical, and extruding hydraulic press is then multiplex horizontal.Divide by structural type, hydraulic press has the patterns such as twin columns, four posts, eight posts, lead frame and multilayer steel band wrapped box frame, medium and small vertical hydraulic press also useful C type frame formula.Three, C type frame formula hydraulic press opens wide, easy to operate, but poor rigidity.The soldering frame posture hydraulic press good rigidly of punching press, front and back are opened wide, but left and right is closed.In the vertical four post free-forging hydraulics of upper driving, oil cylinder is fixed in upper beam, and plunger and moved cross beam are rigidly connected, and moved cross beam, by guide pillar, moves up and down under the pressure action of working solution.Crossbeam has the worktable that can move forward and backward, under moved cross beam He on table top, install anvil and lower anvil respectively, the framework that working force is made up of upper and lower crossbeam and column bears.
Along with the demand of various industry to hydraulic press constantly increases, function also development and the innovation of hydraulic press, and oil cylinder is as the main driver part of hydraulic press, in whole working procedure, play very important effect.Hydraulic press in the course of the work, hydraulic medium has very large static pressure and instantaneous impact to oil cylinder, require the sealability that oil cylinder has very high intensity to become reconciled, and have the higher life-span, but cylinder body and the piston rod of existing a lot of oil cylinder all adopt split-type structural, be difficult to reach above-mentioned requirements, if China Patent Publication No. is CN202560683U, publication date is on November 28th, 2012, disclose a kind of modified node method of hydraulic press cylinder cylinder body, it comprises by the cylinder barrel of seamless steel pipe and the combined type housing structure that consists of the cylinder bottom that one end in cylinder bottom locknut and cylinder barrel is fastening, the described cylinder barrel the other end is fastened with cylinder mouth guide sleeve, piston rod one end in cylinder barrel is provided with seal ring, being axially equipped with for the connecting lock nut fixing with hydraulic press frame in cylinder barrel outside.In the program, cylinder barrel adopts seamless steel pipe to make, and cylinder bottom locknut is threaded with adopting between cylinder barrel, and structural strength is poor, and the cylinder bottom locknut that works long hours easily loosens, disengaging cylinder body, and under high pressure working environment, this kind of phenomenon is abnormally dangerous, easily security incident occurs; And adopt the oil cylinder of Split type structure, add amount of parts and seal position and increase, easily there is the phenomenons such as leakage of oil in oil cylinder, increases maintenance cost.
And for example, China Patent Publication No. is CN202031907U, publication date is on November 9th, 2011, disclose a kind of oil cylinder of medium-small hydraulic press, it comprises cylinder body, piston rod and guide sleeve, wherein, cylinder body is provided with through hole, one end of through hole is provided with cylinder bottom close-fitting with it, and the other end of through hole is provided with guide sleeve; The seal chamber that cylinder body, cylinder bottom and guide sleeve surround through guide sleeve, and is divided into upper cavity and lower chamber by piston rod, cylinder body is provided with the epicoele filler opening be connected with upper cavity and the cavity of resorption filler opening be connected with lower chamber; The outer wall of cylinder body is provided with outside thread.The same cylinder body of the program adopts split-type structural, and above-mentioned problem still cannot be avoided; Simultaneously, in this scenario, piston rod is also adopt split-type structural, connect with tightening nut between piston rod and piston head, there is join strength equally inadequate, the coaxality after connecting between them not easily ensures, and adds seal request between piston rod and piston head, complex structure, is further improved.
Summary of the invention
The problem that 1, will solve
For the problem that oil cylinder structure of hydraulic is complicated, intensity is low and sealing is poor of existing hydraulic press, the utility model provides a kind of numerical-control hydraulic sheet metal tubulation forming machine and hydraulic jack thereof, this hydraulic jack adopts all-in-one-piece cylinder body and piston rod, effectively ensure that bearing pressure and the shock resistance of oil cylinder, component are few, and structure is simple, good seal performance, long service life, and be convenient to dismounting.
2, technological scheme
For solving the problem, the utility model adopts following technological scheme.
A kind of numerical-control hydraulic sheet metal tubulation molding machine hydraulic oil cylinder, comprise cylinder body, piston rod and guide sleeve, described cylinder body is barrel-like structure, and one end of cylinder body is provided with stair-stepping blind hole, and this stair-stepping blind hole comprises guide sleeve mounting hole from outside to inside and main aperture; Described guide sleeve is ring structure, and guide sleeve is arranged in guide sleeve mounting hole, and is fixedly connected with cylinder body; One end of described piston rod is positioned at main aperture through after guide sleeve, and the other end of piston rod stretches out the exterior edge face of guide sleeve; Be provided with piston rod seal pack between described piston rod and main aperture, between piston rod and guide sleeve, be provided with guide sleeve black box, between guide sleeve mounting hole and guide sleeve, be provided with static seal.
Further, described cylinder body and the surface of contact of guide sleeve are circumferentially evenly provided with tapped hole, and on guide sleeve, correspondence is provided with bolt hole, and cylinder body is connected with guide sleeve by bolt with bolt hole by tapped hole.
Further, described tapped hole is identical with number of bolt hole, respectively has 6-12.
Further, one end that described piston rod is positioned at cylinder body is provided with piston head, and piston head is cylindric, and piston head excircle is provided with the piston seal groove of annular, and described piston rod seal pack is arranged in piston seal groove.
Further, described piston rod seal pack comprises the U-shaped circle of wear ring, Glais ring and piston; Described piston seal groove has three, and ecto-entad is followed successively by the first seal groove, the second seal groove and the 3rd seal groove, and the U-shaped circle of described wear ring, Glais ring and piston is arranged in the first seal groove, the second seal groove and the 3rd seal groove respectively.
Further, described piston head exterior edge face is also provided with circular boss, the diameter of boss is less than the diameter of piston head.
Further, described guide sleeve black box comprises dust ring, U-shaped circle and this special envelope; Described guide sleeve inner peripheral surface is provided with three annular grooves, and dust ring, U-shaped circle and this special envelope ecto-entad are arranged in three annular grooves successively.
Further, the static seal between described guide sleeve mounting hole and guide sleeve is O type circle, and guide sleeve outer circumferential face is provided with annular groove, and O type circle is arranged in annular groove.
Further, described guide sleeve exterior edge face is circumferentially also evenly provided with three dismounting holes, described dismounting hole is tapped blind hole.
A kind of numerical-control hydraulic sheet metal tubulation forming machine, comprise hydraulic jack, this hydraulic jack is above-mentioned numerical-control hydraulic sheet metal tubulation molding machine hydraulic oil cylinder.
3, beneficial effect
Compared to prior art, the beneficial effects of the utility model are:
(1) a kind of numerical-control hydraulic sheet metal tubulation molding machine hydraulic oil cylinder of the present utility model, cylinder body and piston rod all adopt monolithic construction, and intensity is high, and can bear higher pressure compared to split-type structural, shock resistance is good; Good sealing is had between two-part that sealing between piston rod and cylinder body makes cylinder body be divided into by piston rod, leak without working medium, and guide sleeve and all have sealing between piston rod and cylinder body, prevent working medium from leaking into outside cylinder body, ensure the stability of cylinder efficient, this hydraulic press cylinder compact structure, volume is little, component are few, are convenient to dismounting and safeguard;
(2) a kind of numerical-control hydraulic sheet metal tubulation molding machine hydraulic oil cylinder of the present utility model, with bolts between cylinder body and guide sleeve, bolt number can be selected according to join strength, effectively ensure oil cylinder Security, and ensure that the dismounting of piston rod needs, simple and convenient;
(3) a kind of numerical-control hydraulic sheet metal tubulation molding machine hydraulic oil cylinder of the present utility model, piston head directly contacts with cylinder body, it is the maximum diameter on piston rod, and adjustment piston head can obtain different strokes and opening speed ratio from the diameter of piston rod other parts;
(4) a kind of numerical-control hydraulic sheet metal tubulation molding machine hydraulic oil cylinder of the present utility model, piston rod is provided with the U-shaped circle of wear ring, Glais ring and piston, while ensureing that piston rod to-and-fro motion in cylinder body has the permanent life-span, also good sealing effect be can ensure, oil cylinder working life and sealability improved;
(5) a kind of numerical-control hydraulic sheet metal tubulation molding machine hydraulic oil cylinder of the present utility model, piston head exterior edge face has the boss less than its diameter, certain buffer function is had to limit position at piston rod movement, prevent larger rigid collision, in addition, ensure that piston rod is when limit position, working medium can promote piston rod stroke motion smoothly;
(6) a kind of numerical-control hydraulic sheet metal tubulation molding machine hydraulic oil cylinder of the present utility model, guide sleeve inner peripheral surface is provided with dust ring, U-shaped circle and this special envelope, dust ring can be crossed to be brought into by dust when preventing the to-and-fro motion of plug cylinder bar in cylinder body and be polluted by working medium, U-shaped circle and this special envelope with the use of ensureing sealability good between piston rod and guide sleeve;
(7) a kind of numerical-control hydraulic sheet metal tubulation molding machine hydraulic oil cylinder of the present utility model, adopt O type circle to seal between cylinder body and guide sleeve, simple and convenient, cost is low;
(8) a kind of numerical-control hydraulic sheet metal tubulation molding machine hydraulic oil cylinder of the present utility model, guide sleeve also has screw thread dismounting hole, facilitates it to mount and dismount.
Accompanying drawing explanation
Fig. 1 is the erection drawing of a kind of numerical-control hydraulic sheet metal tubulation of the utility model molding machine hydraulic oil cylinder;
Fig. 2 is the cylinder body front sectional view of a kind of numerical-control hydraulic sheet metal tubulation of the utility model molding machine hydraulic oil cylinder;
Fig. 3 is the piston rod front sectional view of a kind of numerical-control hydraulic sheet metal tubulation of the utility model molding machine hydraulic oil cylinder;
Fig. 4 is the guide sleeve front sectional view of a kind of numerical-control hydraulic sheet metal tubulation of the utility model molding machine hydraulic oil cylinder;
The guide sleeve right elevation of a kind of numerical-control hydraulic sheet metal tubulation of the utility model that Fig. 5 is molding machine hydraulic oil cylinder.
In figure: 1, cylinder body; 101, main aperture; 102, guide sleeve mounting hole; 103, tapped hole; 2, piston rod; 201, piston head; 202, boss; 203, wear ring; 204, Glais ring; 205, the U-shaped circle of piston; 3, guide sleeve; 301, O type circle; 302, dust ring; 303, U-shaped circle; 304, this special envelope; 305, bolt hole; 306, dismounting hole.
Embodiment
Below in conjunction with specific embodiments and the drawings, the utility model is described further.
Embodiment 1
As shown in Figure 1, a kind of numerical-control hydraulic sheet metal tubulation forming machine of the present embodiment, comprise hydraulic jack, this hydraulic jack comprises cylinder body 1, piston rod 2, guide sleeve 3, piston rod seal pack and guide sleeve black box.Wherein, as shown in Figure 2, described cylinder body 1 is barrel-like structure, one end of cylinder body 1 is provided with stair-stepping blind hole, and this stair-stepping blind hole comprises guide sleeve mounting hole 102 from outside to inside and main aperture 101, in the present embodiment, the surface roughness of guide sleeve mounting hole 102 and main aperture 101 is 0.4, be conducive at main aperture 101 Surface Creation oil film, piston rod 2 to-and-fro motion is smooth and easy, not easily occurs the phenomenon of scuffing of cylinder bore.
As shown in Figure 4 and Figure 5, described guide sleeve 3 is ring structure, guide sleeve 3 is arranged in guide sleeve mounting hole 102, cylinder body 1 and the surface of contact of guide sleeve 3 are circumferentially evenly provided with 6 tapped holes 103, on guide sleeve 3, correspondence is provided with 6 bolts hole 305, and cylinder body 1 is connected with guide sleeve 3 with bolt hole 305 by tapped hole 103 by bolt; Adopt the Placement of bolt, enough join strengths can either be met, also easy disassembly.Described guide sleeve black box comprises dust ring 302, U-shaped circle 303 and Si Te envelope 304, guide sleeve 3 inner peripheral surface is provided with three annular grooves, dust ring 302, U-shaped circle 303 and Si Te seal 304 ecto-entads and are arranged in three annular grooves successively, wherein, dust is brought in cylinder body 1 when dust ring 302 can prevent piston rod 2 to-and-fro motion and working medium is polluted, U-shaped circle 303 and Si Te envelope 304 with the use of ensureing sealability good between piston rod 2 and guide sleeve 3.In addition, be provided with O type circle 301 between guide sleeve mounting hole 102 and guide sleeve 3, guide sleeve 3 outer circumferential face roughness is 0.4, which is provided with annular groove, and this O type circle 301 is arranged in annular groove, ensures to reveal without working medium between cylinder body 1 and guide sleeve 3.In addition, guide sleeve 3 exterior edge face is circumferentially also evenly provided with three dismounting holes 306, this dismounting hole 306 is tapped blind hole, facilitates guide sleeve 3 to split out from cylinder body 1.
As shown in figs. 1 and 3, one end of described piston rod 2 is positioned at main aperture 101 through after guide sleeve 3, and the other end of piston rod 2 stretches out the exterior edge face of guide sleeve 3; One end that piston rod 2 is positioned at cylinder body 1 is provided with piston head 201, and piston head 201 is cylindric, and on its circumferential surface, roughness is 0.4, and piston rod 2 to-and-fro motion in cylinder body 1 can not pull the surface of main aperture 101.Piston head 201 excircle is provided with three annular piston seal grooves, ecto-entad is followed successively by the first seal groove, the second seal groove and the 3rd seal groove, described piston rod seal pack comprises the U-shaped circle 205 of wear ring 203, Glais ring 204 and piston, they are arranged in the first seal groove, the second seal groove and the 3rd seal groove successively, combinationally using of three kinds of Sealings, namely ensure good sealing effect, also improve the working life of Sealing.In addition, piston head 201 exterior edge face is also provided with circular boss 202, the diameter of boss 202 is less than the diameter of piston head 201, this structure, there is certain buffer function when piston rod 2 moves to limit position, avoid the rigid collision that piston rod 2 and cylinder body 1 are larger, in addition, also ensure that piston rod 2 is when limit position, working medium can enter smoothly in cylinder body 1 and promote piston rod 2 reversing motion.
The hydraulic jack of a kind of numerical-control hydraulic sheet metal tubulation forming machine of the present embodiment, the main aperture 101 of cylinder body 1 is divided into two not connected cavitys, i.e. rodless cavity and rod chamber by the piston head 201 of piston rod 2.In concrete use, when rodless cavity oil-feed, rod chamber are fuel-displaced, piston rod 2 stretches out cylinder body 1; When rod chamber oil-feed, rodless cavity are fuel-displaced, piston rod 2 retract cylinder 1.The effective active area of rodless cavity one end piston rod 2 is greater than the effective active area of rod chamber one end piston rod 2, when flow is certain, piston rod 2 stroke motion speed is greater than drawback movement speed, adjustment effective active area ratio, can obtain different piston rod 2 strokes and opening speed ratio.
The hydraulic jack of a kind of numerical-control hydraulic sheet metal tubulation forming machine of the present embodiment, cylinder body 1 and piston rod 2 all adopt monolithic construction, and intensity is high, add and easily ensure that form and position tolerance is in the scope of designing requirement man-hour, can bear higher oil pressure compared to existing split-type structural, shock resistance is good; The piston head 201 of piston rod 2 arranges three seals, has good sealing between the rod chamber that cylinder body 1 is divided into by piston rod 2 and two-part of rodless cavity, leak without working medium, ensure the to-and-fro motion that piston rod 2 is stable.This oil cylinder structure of hydraulic is compact, and volume is little, and component are few, is convenient to dismounting and safeguards.
Embodiment 2
A kind of numerical-control hydraulic sheet metal tubulation forming machine of the present embodiment, substantially the same manner as Example 1, difference is: be connected by 12 bolts between cylinder body 1 with guide sleeve 3 in hydraulic jack.
Schematically above be described the utility model and mode of execution thereof, this description does not have restricted, and also just one of the mode of execution of the present utility model shown in accompanying drawing, actual structure is not limited thereto.So, if those of ordinary skill in the art enlightens by it, when not departing from the utility model and creating aim, design the mode of structure similar to this technological scheme and embodiment without creationary, protection domain of the present utility model all should be belonged to.
Claims (10)
1. a numerical-control hydraulic sheet metal tubulation molding machine hydraulic oil cylinder, comprise cylinder body (1), piston rod (2) and guide sleeve (3), it is characterized in that: described cylinder body (1) is barrel-like structure, one end of cylinder body (1) is provided with stair-stepping blind hole, and this stair-stepping blind hole comprises guide sleeve mounting hole (102) from outside to inside and main aperture (101); Described guide sleeve (3) is ring structure, and guide sleeve (3) is arranged in guide sleeve mounting hole (102), and is fixedly connected with cylinder body (1); One end of described piston rod (2) is positioned at main aperture (101) through after guide sleeve (3), and the other end of piston rod (2) stretches out the exterior edge face of guide sleeve (3); Piston rod seal pack is provided with between described piston rod (2) and main aperture (101), be provided with guide sleeve black box between piston rod (2) and guide sleeve (3), between guide sleeve mounting hole (102) and guide sleeve (3), be provided with static seal.
2. a kind of numerical-control hydraulic sheet metal tubulation molding machine hydraulic oil cylinder according to claim 1, it is characterized in that: described cylinder body (1) and the surface of contact of guide sleeve (3) are circumferentially evenly provided with tapped hole (103), the upper correspondence of guide sleeve (3) is provided with bolt hole (305), and cylinder body (1) is connected with guide sleeve (3) by bolt with bolt hole (305) by tapped hole (103).
3. a kind of numerical-control hydraulic sheet metal tubulation molding machine hydraulic oil cylinder according to claim 2, is characterized in that: described tapped hole (103) is identical with bolt hole (305) quantity, respectively has 6-12.
4. a kind of numerical-control hydraulic sheet metal tubulation molding machine hydraulic oil cylinder according to claim 1, it is characterized in that: one end that described piston rod (2) is positioned at cylinder body (1) is provided with piston head (201), piston head (201) is for cylindric, piston head (201) excircle is provided with the piston seal groove of annular, and described piston rod seal pack is arranged in piston seal groove.
5. a kind of numerical-control hydraulic sheet metal tubulation molding machine hydraulic oil cylinder according to claim 4, is characterized in that: described piston rod seal pack comprises wear ring (203), Glais ring (204) and the U-shaped circle of piston (205); Described piston seal groove has three, ecto-entad is followed successively by the first seal groove, the second seal groove and the 3rd seal groove, and described wear ring (203), Glais ring (204) and the U-shaped circle of piston (205) are arranged in the first seal groove, the second seal groove and the 3rd seal groove respectively.
6. a kind of numerical-control hydraulic sheet metal tubulation molding machine hydraulic oil cylinder according to claim 4, it is characterized in that: described piston head (201) exterior edge face is also provided with circular boss (202), the diameter of boss (202) is less than the diameter of piston head (201).
7. a kind of numerical-control hydraulic sheet metal tubulation molding machine hydraulic oil cylinder according to claim 1, is characterized in that: described guide sleeve black box comprises dust ring (302), U-shaped circle (303) and this special envelope (304); Described guide sleeve (3) inner peripheral surface is provided with three annular grooves, and dust ring (302), U-shaped circle (303) and this special envelope (304) ecto-entad are arranged in three annular grooves successively.
8. a kind of numerical-control hydraulic sheet metal tubulation molding machine hydraulic oil cylinder according to claim 1, it is characterized in that: the static seal between described guide sleeve mounting hole (102) and guide sleeve (3) is O type circle (301), guide sleeve (3) outer circumferential face is provided with annular groove, and O type circle (301) is arranged in annular groove.
9. a kind of numerical-control hydraulic sheet metal tubulation molding machine hydraulic oil cylinder according to claim 1, it is characterized in that: described guide sleeve (3) exterior edge face is circumferentially also evenly provided with three dismounting holes (306), described dismounting hole (306) is tapped blind hole.
10. a numerical-control hydraulic sheet metal tubulation forming machine, comprises hydraulic jack, it is characterized in that: described hydraulic jack is any one numerical-control hydraulic sheet metal tubulation molding machine hydraulic oil cylinder in claim 1-9.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520824464.4U CN205047578U (en) | 2015-10-21 | 2015-10-21 | Numerical control hydraulic pressure sheet material tubulation make -up machine and hydraulic cylinder thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520824464.4U CN205047578U (en) | 2015-10-21 | 2015-10-21 | Numerical control hydraulic pressure sheet material tubulation make -up machine and hydraulic cylinder thereof |
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| CN205047578U true CN205047578U (en) | 2016-02-24 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110077029A (en) * | 2019-05-24 | 2019-08-02 | 佛山市顺德区曼哈特数控机床有限公司 | A kind of electric hybrid hydraulic system of the oil of the electro-hydraulic numerical control Synchronous Bending machine of energy conservation and environmental protection |
| CN111894845A (en) * | 2020-07-17 | 2020-11-06 | 重庆海浦洛自动化科技有限公司 | Sealing mechanism for automobile coating glue supply servo quantifying machine and assembling and disassembling method thereof |
-
2015
- 2015-10-21 CN CN201520824464.4U patent/CN205047578U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110077029A (en) * | 2019-05-24 | 2019-08-02 | 佛山市顺德区曼哈特数控机床有限公司 | A kind of electric hybrid hydraulic system of the oil of the electro-hydraulic numerical control Synchronous Bending machine of energy conservation and environmental protection |
| CN111894845A (en) * | 2020-07-17 | 2020-11-06 | 重庆海浦洛自动化科技有限公司 | Sealing mechanism for automobile coating glue supply servo quantifying machine and assembling and disassembling method thereof |
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