CN1268455C - Oil-to-oil free forge hammer power system - Google Patents
Oil-to-oil free forge hammer power system Download PDFInfo
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- CN1268455C CN1268455C CN 03112610 CN03112610A CN1268455C CN 1268455 C CN1268455 C CN 1268455C CN 03112610 CN03112610 CN 03112610 CN 03112610 A CN03112610 A CN 03112610A CN 1268455 C CN1268455 C CN 1268455C
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Abstract
The present invention discloses a full hydraulic free forge hammer power system which is especially suitable for reforming a vacuum hammer(single-arm hammer) with a thick hammer rod structure, a double-arm hammer and a die forging hammer without an anvil die into an electric liquid hammer. The present invention is characterized in that an integrated block is arranged on the original cylinder of the vacuum hammer with a thick hammer rod structure; a working cylinder is arranged on the integrated block, and an outer cylinder is sheathed outside the working cylinder, and is fastened on the integrated block; the working cylinder is connected with a beating valve, a pressure control valve and an energy accumulator, and is connected with a hydraulic station. The original machine member is utilized to maximum extent, and the present invention has the characteristics of simple and compact structure, low reforming expenses, energy saving and reliability.
Description
Technical field:
The present invention relates to the metal-working plant technical field, particularly have thick hammer stem structure steaming hollow hammer---overhanging hammer, both arms are hammered into shape and are not had the design that the anvil block die hammer transform electric liquid hammer as, are the drive units that utilizes hydraulicdriven hammer.
Background technology:
The forging hammer power set of existing thick hammer stem structure are single-acting cylinders, and piston is fixed in that the hammer stem upper end is divided into epicoele, cavity of resorption with cylinder and is power with compressed air or steam.When the lower chamber of air cylinder air inlet, during the epicoele exhaust, tup is realized vertical motion; When upper chamber of air cylinder air inlet, cavity of resorption exhaust, tup realizes hitting fast action under deadweight and gas pressure.Owing to exist a large amount of pressure energy, heat energy in the waste gas that cylinder is discharged, thereby energy utilization rate is very low.The transformation of domestic such hammer has two kinds of schemes: a kind of is to adopt oil-feed to hit mode; A kind of is that mode is hit in oil extraction, and two kinds are the liquid pneumatic hammer.The hydraulic power system that mode is hit in oil-feed is to add one in former hammer stem upper end to drive hydraulic cylinder, the middle feed tube that inserts, and with lining and sealing ring sealing, the upper end of feed tube is fixed on the insurance cylinder cap, is connected with control valve by pipeline therebetween.During the feed tube oil-feed; Hammer is realized hitting under oil pressure and deadweight effect; During the oil inlet pipe oil extraction, utilize the compressed air of former cylinder cavity of resorption to make the tup backhaul.The liquid pneumatic hammer that adopts this hydraulic power system to transform, because the hammer stem anti-rotation still keeps former non-round guide frame, the leakage problem of lower chamber of air cylinder still exists, the seal cartridge of feed tube is fixed on the hammer stem in addition, owing to the impact that causes of hammering, vibration, hit the leakage that must bring hydraulic oil and the plucking of feed tube partially.The hydraulic power system of the strike mode of draining the oil is to install one additional to drive hydraulic cylinder on former organic frame, replaces original cylinder.Hydraulic cylinder is divided into epicoele and cavity of resorption in the hammer stem, a certain amount of Compressed Gas of epicoele filling is an air cavity, and cavity of resorption is a hydraulic cavities.During the cavity of resorption oil-feed, epicoele gas is compressed, and hammer stem is realized vertical motion, and during the cavity of resorption oil extraction, tup is realized hitting under air pressure worker and deadweight effect, because epicoele air pressure is lower.Thereby such liquid pneumatic hammer impulse stroke is longer, and original tup, hammer stem and cylinder all can not be utilized, and improvement cost is bigger, and such liquid pneumatic hammer returned signal can send after need hitting and finishing in addition.Thereby there are double hit and a vexed hammer phenomenon.
Summary of the invention:
The purpose of this invention is to provide a kind of simple in structurely, compact, improvement expenses is low, does not have leakage substantially, and no resilience double hit does not have vexed hammer phenomenon, is suitable for the Full Hydraulic Free Forging Hammer Power System that thick hammer stem is transformed.
Technical solution of the present invention is: a kind of Full Hydraulic Free Forging Hammer Power System, it is characterized in that: whole system is installed on the former cylinder of thick hammer stem structure steaming hollow hammer by integrated package, working cylinder is installed on the integrated package, working cylinder is set with outer shell outward and is fastened on the integrated package, working cylinder with hit valve and pressure-control valve, accumulator is connected, and is connected with Hydraulic Station.
One piston rod is housed in the working cylinder described in the present invention, and piston rod is connected with former hammer stem, and piston rod is divided into rod chamber and rodless cavity with the working cylinder inner chamber, and the piston rod upper end is a rodless cavity.The working cylinder outer wall forms the circular passage with the outer inside wall of cylinder, and the hydraulic fluid port by the working cylinder upper end communicates with the working cylinder rodless cavity and is connected with the strike valve by integrated package.Strike valve, pressure-control valve are directly installed in the integrated package.Adopt servo valve or inserted valve between strike.Hydraulic Station is made up of hydraulic pump and fuel tank, oil pump, overhead or for putting on the side.The upper and lower air intake of former cylinder all with the atmosphere normal open.
Beneficial effect of the present invention is: logical constant pressure oil during owing to the work of working cylinder rod chamber, hit the back rodless cavity and connect the backhaul of fuel tank decompression tup realization non-resistance, thereby overcome the phenomenons such as liquid pneumatic hammer vexed hammer, double hit of the existing strike mode work of draining the oil, overcome oil-feed simultaneously and hit the liquid pneumatic hammer lower chamber of air cylinder of mode work owing to non-round anti-rotation guide frame sealing difficulty, leak important disadvantages.Because these power set are installed on the former cylinder, original cylinder and hammer stem anti-rotation structure all do not change, and hammer stem is only done a small amount of change, and original parts are fully used, thereby improvement cost is low.Because during this power set work, the oil extraction of hydraulic oil does not have residual pressure energy and heat energy, thereby capacity usage ratio is higher.Because the piston rod in these power set is flexible elongate rod, thereby during forging hammer strike work, hit partially and impact shock less to the influence in piston rod packing life-span.
The invention will be further described below in conjunction with drawings and Examples:
Description of drawings:
Accompanying drawing is a kind of Full Hydraulic Free Forging Hammer Power System structural representation of the present invention.
The specific embodiment:
Accompanying drawing has been described one embodiment of the present of invention, an integrated package 07 is arranged in this example, be directly installed on former forging hammer cylinder 05 top, working cylinder 08 is installed on the integrated package 07, hand-operated direction valve 16, inserted valve 17, accumulator 11 and pressure-control valve 15 are equipped with piston rod 04 in the working cylinder 08.Working cylinder 08 is set with outer shell 09 outward and is fastened on the integrated package 07.Piston rod 04 is connected with former hammer stem 02, and original cylinder 05, anti-rotation guide pin bushing 03, hammer stem are constant substantially, and original fuselage 18, anvil block 01 remain unchanged.Cylinder 05 upper and lower air cavity all communicates with atmosphere.Working cylinder 08 is divided into rodless cavity and rod chamber by piston rod 04, and epicoele is a rodless cavity.Rodless cavity is connected with the strike valve by working cylinder 08 upper end hydraulic fluid port, the working cylinder 08 outer annular hydraulic fluid passage of surveying, and realizes oil-feed, oil return control.Motor 12, oil pump 13, fuel tank 14 can be assembled into a Hydraulic Station in the present embodiment, can be preset in lathe bed, also can other put and be connected with integrated package by oil pipe.
The operation principle of the foregoing description: pressure-control valve 15 is realized the oil-filled and off-load of 13 pairs of accumulators 11 of oil pump automatically.Realize strike, suspending hammer, backhaul action by handling hand-operated valve 16.During strike, handle hand-operated valve 16 and be in a position, hit valve 10 hydraulic control mouth oil returns, under the spring force effect, be in the d position.The pressure oil of oil pump 13, accumulator 11 injects rodless cavities by hitting valve 10 at this moment, and the pressure oil of rod chamber passes through inserted valve 17 simultaneously, also enters rodless cavity through hitting valve 10, thereby realizes hitting fast.Meanwhile, because hammer stem 02 moves down, former buffering air chamber forms negative pressure, force check valve 06 to open tonifying Qi, hammer stem 02 is beginning to drop to exhaust outlet when following under the effect of oil pressure and deadweight, the buffering air chamber is connected by exhaust outlet and atmosphere, so hammer stem 02 realizes hitting fast action under the piston rod effect.
During backhaul, handle hand-operated valve 16 and be in the C position, hit valve and be in the e position under hydraulic control mouth action of hydraulic force, working cylinder 08 rodless cavity is by its exterior annular hydraulic oil channel and hit valve 10 oil returns.At this moment, oil returns are connected in inserted valve 17 control, oil pump and and the pressure oil of accumulator 11 enter working cylinder 08 rod chamber through inserted valve 17, thereby make piston rod and hammer stem 02 backhaul rapidly under the pressure oil effect.Prescribe a time limit near last, hammer stem 02 is with the sealing of cylinder 05 epicoele exhaust outlet, and integrated package 07 bottom surface, cylinder 05, hammer stem 02 upper surface form the sealing surge chamber, and hammer stem 02 is forced to be in upper limit position.
During suspending hammer, handle hand-operated valve 16 and be in meta b, it is shown position, hit valve and be in the e position this moment, working cylinder 08 rodless cavity is by the exterior annular hydraulic oil channel and hit valve oil return, decompression, inserted valve 17 is in closed condition under the pressure oil effect simultaneously, thereby makes the oil sealing of working cylinder 08 rod chamber close the tup stop motion.
Claims (5)
1, a kind of Full Hydraulic Free Forging Hammer Power System, it is characterized in that: whole system is installed on the former cylinder of thick hammer stem structure steaming hollow hammer by integrated package, working cylinder is installed on the integrated package, working cylinder is set with outer shell outward and is fastened on the integrated package, working cylinder with hit valve and pressure-control valve, accumulator is connected, and is connected with Hydraulic Station; Strike valve, pressure-control valve are directly installed in the integrated package; The upper and lower air intake of former cylinder all with the atmosphere normal open.
2, Full Hydraulic Free Forging Hammer Power System according to claim 1 is characterized in that: a piston rod is housed in the working cylinder, and piston rod is connected with former hammer stem, and piston rod is divided into rod chamber and rodless cavity with the working cylinder inner chamber, and the piston rod upper end is a rodless cavity.
3, Full Hydraulic Free Forging Hammer Power System according to claim 2 is characterized in that: the working cylinder outer wall forms the circular passage with the outer inside wall of cylinder, and the hydraulic fluid port by the working group upper end communicates with the working cylinder rodless cavity and is connected with the strike valve by integrated package.
4, according to claim 1,2 or 3 described Full Hydraulic Free Forging Hammer Power Systems, it is characterized in that: hit valve and adopt servo valve or inserted valve.
5, according to claim 1,2 or 3 described Full Hydraulic Free Forging Hammer Power Systems, it is characterized in that: Hydraulic Station is made up of hydraulic pump and fuel tank, oil pump, overhead or for putting on the side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03112610 CN1268455C (en) | 2003-01-02 | 2003-01-02 | Oil-to-oil free forge hammer power system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03112610 CN1268455C (en) | 2003-01-02 | 2003-01-02 | Oil-to-oil free forge hammer power system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1515371A CN1515371A (en) | 2004-07-28 |
| CN1268455C true CN1268455C (en) | 2006-08-09 |
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ID=34239280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03112610 Expired - Fee Related CN1268455C (en) | 2003-01-02 | 2003-01-02 | Oil-to-oil free forge hammer power system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1268455C (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100348344C (en) * | 2004-08-09 | 2007-11-14 | 天津市天锻压力机有限公司 | Large-scale semi-solid state die forging hydraulic press |
| SE537946C2 (en) * | 2014-03-24 | 2015-12-01 | Cell Impact Ab | Impact and method of material processing with high kinetic energy utilization |
| CN104607583A (en) * | 2015-01-28 | 2015-05-13 | 江苏宏程锻压机床有限公司 | Power head system of electro-hydraulic hammer |
| CN105945191B (en) * | 2016-07-12 | 2017-10-13 | 辽宁工程技术大学 | A kind of energy-storage type drops hammer quick release percussion mechanism |
| CN106968999B (en) * | 2017-04-26 | 2018-12-11 | 中机锻压江苏股份有限公司 | A kind of hydraulic hammer control system |
| CN112238206B (en) * | 2020-10-05 | 2022-07-12 | 中科聚信洁能热锻装备研发股份有限公司 | Program-controlled free forging hammer and control method thereof |
-
2003
- 2003-01-02 CN CN 03112610 patent/CN1268455C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1515371A (en) | 2004-07-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Hai'an County Baixie Forging Hammer Co., Ltd. Assignor: Zhang Changlong Contract fulfillment period: 2006.9.1 to 2023.1.1 contract change Contract record no.: 2008320000205 Denomination of invention: Oil-to-oil free forge hammer power system Granted publication date: 20060809 License type: Exclusive license Record date: 2008.9.22 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENCE; TIME LIMIT OF IMPLEMENTING CONTACT: 2006.9.1 TO 2023.1.1 Name of requester: BAIXIE HAMMER CO., LTD., HAIAN COUNTY Effective date: 20080922 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060809 Termination date: 20160102 |
|
| EXPY | Termination of patent right or utility model |