CN201090552Y - Large-scale hydraulic press sliding block drive oil cylinder - Google Patents

Large-scale hydraulic press sliding block drive oil cylinder Download PDF

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Publication number
CN201090552Y
CN201090552Y CNU2007200968677U CN200720096867U CN201090552Y CN 201090552 Y CN201090552 Y CN 201090552Y CN U2007200968677 U CNU2007200968677 U CN U2007200968677U CN 200720096867 U CN200720096867 U CN 200720096867U CN 201090552 Y CN201090552 Y CN 201090552Y
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CN
China
Prior art keywords
cylinder
concave spherical
pad
slide block
hydraulic press
Prior art date
Application number
CNU2007200968677U
Other languages
Chinese (zh)
Inventor
张淳
Original Assignee
天津市天锻压力机有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 天津市天锻压力机有限公司 filed Critical 天津市天锻压力机有限公司
Priority to CNU2007200968677U priority Critical patent/CN201090552Y/en
Application granted granted Critical
Publication of CN201090552Y publication Critical patent/CN201090552Y/en

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Abstract

The utility model discloses a slide block driving cylinder of a large hydrostatic press, comprising a cylinder body provided with a high-pressure oil inlet and a low-pressure oil inlet; a plunger pole which is arranged in the cylinder body and can move up and down along the inner wall of the cylinder body. The plunger pole is a hollow cylindrical structure; a plunger top cover is covered on the top port of the plunger pole, the lower port of the plunger pole is embedded into a groove formed on the upper end face of a concave spherical pad, a connecting flange used for connecting slide blocks is embedded on the outside of the concave spherical pad, and through holes used for fixing the slide blocks by bolts are formed on the connecting flange. The lower end face of the concave spherical pad is formed into a concave spherical surface; a convex spherical pad with the upper end face matched with the lower end face of the concave spherical pad is arranged at the inside of the connecting flange and under the concave spherical pad. The utility model ensures the hydrostatic press to have simple and compact structure and good cylinder sealed effect. The hollow plunger pole helps save material, reduce the whole cost and reduce the consumption of power. The purpose of load-deflection prevention is realized by the cooperation of the concave-convex matched spherical pads.

Description

Large hydraulic press slide block driving oil cylinder

Technical field

The utility model belongs to the hydraulic press oil cylinder, particularly relates to a kind of simple in structurely, saves material, and power consumption is little, the large hydraulic press slide block driving oil cylinder that anti-bias load is strong.

Background technique

At present, along with large hydraulic press has appearred in industrial expansion, as the appearance of the large hydraulic press of several kilotons.Important process parts for large hydraulic press have been oil cylinders of punching press effect.Described oil cylinder roughly is by the cylinder body with filler opening and is arranged on cylinder interior, can constitute along the upper and lower piston that moves of the inwall of cylinder body under the effect of oil pressure.For the making of oil cylinder, if continue to use the cylinder structure making of existing hydraulic press, because the inevitable bulkiness of the oil cylinder that its complex structure is produced, this directly causes hydraulic press complicated integral structure, heaviness, makes troubles for transportation, installation.And, the oil cylinder bulkiness, the specification of seal ring is also big, is easy to produce oil leakage phenomenon, directly influences the security of system of hydraulic press.

Summary of the invention

The utility model provides a kind of simple and compact for structure for solving the technical problem that exists in the known technology, saves material, and power consumption is little, the large hydraulic press slide block driving oil cylinder that anti-bias load is strong.

The technological scheme that the utility model is taked for the technical problem that exists in the solution known technology is: a kind of large hydraulic press slide block driving oil cylinder, include the cylinder body that is formed with high pressure filler opening and low pressure filler opening, being arranged on cylinder interior can be along on the inwall of cylinder body, following plunger movable bar, described plunger rod is the hollow barrel-type structure, its top ports is stamped the plunger top cover, the lower end mouth of plunger rod is embedded in the groove of concave spherical surface pad upper-end surface formation, the outside of concave spherical surface pad is covered with the adpting flange that is used to connect slide block, is formed with the through hole that is used for by the bolt slide block on the adpting flange.

The lower end surface of described concave spherical surface pad forms concave spherical surface, and in the lower end of concave spherical surface pad, and the inboard that is positioned at adpting flange also is provided with the protruding ball ring that the lower end surface of upper-end surface and concave spherical surface pad matches.

The inboard of described adpting flange forms down L shaped inner peripheral surface, and the outside of described concave spherical surface pad forms step-like outer circumferential face, and adpting flange hangs on the stepped shaft outer circumferential face of concave spherical surface pad and combines with the concave spherical surface pad by it being fallen L shaped inner peripheral surface.

Combining between described adpting flange and the concave spherical surface pad is formed with 0.2~0.7 gap.

The outer periphery of described cylinder body lower end is provided with stud and the fastening block that is used for fixing on top beam of hydraulic machine.

Also be provided with primary seal between the inner peripheral surface of described cylinder body and the outer circumferential face of plunger rod.

Also be provided with between the inner peripheral surface of described cylinder body and the outer circumferential face of plunger rod and be convenient to the upper and lower mobile guidance tape of plunger rod.

Also be provided with cylinder mouth clamp, described cylinder mouth clamp is by bolt and be formed on the screw that the cylinder body bottom has, and cylinder body and plunger rod are combined securely.

Advantage and the good effect that the utlity model has are: because large hydraulic press slide block driving oil cylinder of the present utility model adopts above-mentioned structure, make hydraulic press simple in structure, compactness, cylinder body good sealing effect.The plunger rod of hollow is saved material and has been reduced whole cost, has also reduced the consumption of power simultaneously.The cooperation of a pair of ball ring that matches by convex-concave has reached the purpose of anti-bias load.

Description of drawings

Fig. 1 is an overall structure schematic representation of the present utility model.

Label among the figure is respectively:

The 1-cylinder body; 2-plunger top cover; The 3-plunger rod; 4-cylinder mouth clamp; 5-concave spherical surface pad; The protruding ball ring of 6-; The 7-adpting flange; The 8-packing ring; The 9-guidance tape; The 10-primary seal; The 11-stud; The 12-fastening block; The 13-screw; The 14-through hole; 15-high pressure filler opening; 16-low pressure filler opening.

Embodiment

For further understanding summary of the invention of the present utility model, characteristics and effect, enumerate following examples now, and conjunction with figs. is described in detail as follows:

As shown in Figure 1, large hydraulic press slide block driving oil cylinder of the present utility model, include the cylinder body 1 that is formed with high pressure filler opening 15 and low pressure filler opening 16, being arranged on cylinder body 1 inside can be along the upper and lower plunger movable bar 3 of the inwall of cylinder body 1, described plunger rod 3 is the hollow barrel-type structure, its top ports is stamped plunger top cover 2, the lower end mouth of plunger rod 3 is embedded in the groove of concave spherical surface pad 5 upper-end surfaces formation, the outside of concave spherical surface pad 5 is covered with the adpting flange 7 that is used to connect slide block, is formed with the through hole 14 that is used for by the bolt slide block on adpting flange 7.The inboard of described adpting flange 7 forms down L shaped inner peripheral surface, the outside of described concave spherical surface pad 5 forms step-like outer circumferential face, and adpting flange 7 hangs on the stepped shaft outer circumferential face of concave spherical surface pad 5 and combines with concave spherical surface pad 5 by it being fallen L shaped inner peripheral surface.Wherein, combining between adpting flange 7 and the concave spherical surface pad 5 is formed with 0.2~0.7 gap.

The lower end surface of described concave spherical surface pad 5 forms concave spherical surface, and in the lower end of concave spherical surface pad 5, and the inboard that is positioned at adpting flange 7 also is provided with the protruding ball ring 6 that the lower end surface of upper-end surface and concave spherical surface pad 5 matches.Adopt convex-concave sphere structure combining, can resist the off-centre that plunger rod 3 is produced because of workpiece off-centre.

The outer periphery of described cylinder body 1 lower end is provided with stud 11 and the fastening block 12 that is used for fixing on top beam of hydraulic machine.

Between the outer circumferential face of the inner peripheral surface of cylinder body 1 and plunger rod 3, also be provided with primary seal 10, reached the better seal effect.

Also be provided with between the outer circumferential face of the inner peripheral surface of described cylinder body 1 and plunger rod 3 and be convenient to plunger rod 3 upper and lower mobile guidance tapes 9.Usually, between the outer circumferential face of the inner peripheral surface of cylinder body 1 and plunger rod 3, be provided with 8 guidance tapes 9.

In transportation or in installation, can first secure bond be convenient to transport and be convenient to assemble other parts in order to make cylinder body and plunger rod together, also be provided with the cylinder mouth clamp 4 that cylinder body and plunger rod are fixed together in the bottom of cylinder body 1, described cylinder mouth clamp 4 is by bolt and be formed on the screw 13 that cylinder body 1 bottom has, and cylinder body 1 and plunger rod 3 are combined securely.In the process of transportation, reduce vibration and friction like this, in the process of assembling, make things convenient for the installation of other parts.And, in case be transported to the destination, after assembling, the cylinder mouth clamp 4 of just can dismantling.

Claims (8)

1. large hydraulic press slide block driving oil cylinder, include the cylinder body (1) that is formed with high pressure filler opening (15) and low pressure filler opening (16), being arranged on cylinder body (1) inside can be along on the inwall of cylinder body (1), following plunger movable bar (3), it is characterized in that: described plunger rod (3) is the hollow barrel-type structure, its top ports is stamped plunger top cover (2), the lower end mouth of plunger rod (3) is embedded in the groove of concave spherical surface pad (5) upper-end surface formation, the outside of concave spherical surface pad (5) is covered with the adpting flange (7) that is used to connect slide block, is formed with the through hole (14) that is used for by the bolt slide block on the adpting flange (7).
2. large hydraulic press slide block driving oil cylinder according to claim 1, it is characterized in that: the lower end surface of described concave spherical surface pad (5) forms concave spherical surface, lower end in concave spherical surface pad (5), and the inboard that is positioned at adpting flange (7) also is provided with the protruding ball ring (6) that the lower end surface of upper-end surface and concave spherical surface pad (5) matches.
3. large hydraulic press slide block driving oil cylinder according to claim 1, it is characterized in that: the inboard of described adpting flange (7) forms down L shaped inner peripheral surface, the outside of described concave spherical surface pad (5) forms step-like outer circumferential face, and adpting flange (7) hangs on the stepped shaft outer circumferential face of concave spherical surface pad (5) and combines with concave spherical surface pad (5) by it being fallen L shaped inner peripheral surface.
4. large hydraulic press slide block driving oil cylinder according to claim 3 is characterized in that: combining between described adpting flange (7) and the concave spherical surface pad (5) is formed with 0.2~0.7 gap.
5. large hydraulic press slide block driving oil cylinder according to claim 1 is characterized in that: the outer periphery of described cylinder body (1) lower end is provided with stud (11) and the fastening block (12) that is used for fixing on top beam of hydraulic machine.
6. large hydraulic press slide block driving oil cylinder according to claim 1 is characterized in that: also be provided with primary seal (10) between the outer circumferential face of the inner peripheral surface of described cylinder body (1) and plunger rod (3).
7. large hydraulic press slide block driving oil cylinder according to claim 1 is characterized in that: also be provided with between the outer circumferential face of the inner peripheral surface of described cylinder body (1) and plunger rod (3) and be convenient to the upper and lower mobile guidance tape of plunger rod (3) (9).
8. large hydraulic press slide block driving oil cylinder according to claim 1, it is characterized in that: also be provided with cylinder mouth clamp (4), described cylinder mouth clamp (4) is by bolt and be formed on the screw (13) that cylinder body (1) bottom has, and cylinder body (1) and plunger rod (3) are combined securely.
CNU2007200968677U 2007-07-25 2007-07-25 Large-scale hydraulic press sliding block drive oil cylinder CN201090552Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2007200968677U CN201090552Y (en) 2007-07-25 2007-07-25 Large-scale hydraulic press sliding block drive oil cylinder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2007200968677U CN201090552Y (en) 2007-07-25 2007-07-25 Large-scale hydraulic press sliding block drive oil cylinder

Publications (1)

Publication Number Publication Date
CN201090552Y true CN201090552Y (en) 2008-07-23

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CNU2007200968677U CN201090552Y (en) 2007-07-25 2007-07-25 Large-scale hydraulic press sliding block drive oil cylinder

Country Status (1)

Country Link
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102305293A (en) * 2011-08-17 2012-01-04 益阳橡胶塑料机械集团有限公司 Sealing device of hydraulic cylinder
CN102582100A (en) * 2012-02-17 2012-07-18 天津市天锻压力机有限公司 Unidirectional plunger type oil cylinder of hydraulic press
CN103203444A (en) * 2012-01-11 2013-07-17 广东科达机电股份有限公司 Lock mold oil cylinder
CN103883583A (en) * 2014-04-01 2014-06-25 太原重工股份有限公司 Vertical type hydraulic machine and return cylinder thereof
CN107701540A (en) * 2017-11-08 2018-02-16 南通合强液压科技有限公司 A kind of novel energy-conserving plunger cylinder

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102305293A (en) * 2011-08-17 2012-01-04 益阳橡胶塑料机械集团有限公司 Sealing device of hydraulic cylinder
CN103203444A (en) * 2012-01-11 2013-07-17 广东科达机电股份有限公司 Lock mold oil cylinder
CN102582100A (en) * 2012-02-17 2012-07-18 天津市天锻压力机有限公司 Unidirectional plunger type oil cylinder of hydraulic press
CN103883583A (en) * 2014-04-01 2014-06-25 太原重工股份有限公司 Vertical type hydraulic machine and return cylinder thereof
CN107701540A (en) * 2017-11-08 2018-02-16 南通合强液压科技有限公司 A kind of novel energy-conserving plunger cylinder

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GR01 Patent grant
C14 Grant of patent or utility model
AV01 Patent right actively abandoned

Effective date of abandoning: 20070725

C25 Abandonment of patent right or utility model to avoid double patenting