CN102218494A - Hydraulic rapid forging press - Google Patents
Hydraulic rapid forging press Download PDFInfo
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- CN102218494A CN102218494A CN2011101237468A CN201110123746A CN102218494A CN 102218494 A CN102218494 A CN 102218494A CN 2011101237468 A CN2011101237468 A CN 2011101237468A CN 201110123746 A CN201110123746 A CN 201110123746A CN 102218494 A CN102218494 A CN 102218494A
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Abstract
The invention provides a hydraulic rapid forging press, comprising a master oil cylinder, a plunger rod arranged in the master oil cylinder, a base connected with the head of the plunger rod, a bulb arranged between the plunger rod and the base, a spherical compression ring adaptive to the convex annular surface of the head of the plunger rod, stand columns arranged at two sides of the master oil cylinder and guide sleeves arranged on the joints of the frame of the master oil cylinder and the stand columns, wherein the contact surface of the bulb and the plunger rod is spherical; a lubricating groove is arranged on the contact surface; the spherical compression ring is in arc fitting with the convex annular surface of the plunger rod; the guide sleeve is an annular guide sleeve consisting of a fixed guide sleeve and a movable guide sleeve; the fixed guide sleeve and the movable guide sleeve are adaptive in a wedge-shaped mode; the movable guide sleeve is arranged at the inner side of the fixed guide sleeve and moves along an inclined plane; and the inner surface of the movable guide sleeve contacts with the stand columns, and the outer surface of the fixed guide sleeve contacts with the frame of the master oil cylinder. The hydraulic rapid forging press provided by the invention has a good forging and pressing effect and a stable structure.
Description
Technical field
The present invention relates to the forging and pressing field, relate in particular to a kind of hydraulic pressure and forge machine soon.
Background technology
In the casting forging and pressing process, it under a lot of situations the below that the mould of needs forging and pressing is placed in the forging and pressing machine, utilize fast forging machine to forge and press, the groundwork of fast forging machine partly comprises column, whole forging machine is played the auxiliary oil cylinder and the secondary cylinder plug of lifting, plunger rod in master cylinder and the master cylinder, plunger comprises plunger rod part and the lower bottom base that is connected with the plunger rod head, plunger rod forges and presses object, in the forging and pressing, adopt bulb to cooperate between plunger and the lower bottom base, bulb is the plane bulb, the contact-making surface of lower bottom base and plunger rod all can cause bigger loss because of stressed, influence ordinary production, after loss ratio was big, plunger can produce off-centre, causes unbalance stress.In addition, when the wearing and tearing of bulb and plunger rod cause plunger rod off-centre, need to change bulb and plunger rod, waste time and energy and cost can promote greatly.Plunger rod and lower bottom base compress by the sphere pressure ring, make plunger rod and bulb from minute contacting, alleviate eccentric load, but eccentric load can't be eliminated fully, the bottom contact-making surface of existing sphere pressure ring and plunger rod all is the inclined-plane, and when having produced eccentric load, the inclined-plane can produce slip, thereby it is insufficient to cause plunger rod to contact with bulb, and plunger rod shakes.Column plays very big supporting role to whole forging machine, in order to guarantee the working properly of plunger rod, fairlead is set on the column, and fairlead is because stressed big, and the fairlead wearing and tearing of annular are big, cause the equipment instability easily.
Summary of the invention
In order to solve existing technical problem in the background technology, the present invention proposes a kind of hydraulic pressure and forge machine soon, forge and press effective, Stability Analysis of Structures.
Technical solution of the present invention is: a kind of hydraulic pressure is forged machine soon, comprises master cylinder, is arranged on plunger rod, the base that is connected with the plunger rod head in the master cylinder, is arranged on bulb between plunger rod and the base, and the adaptive sphere pressure ring of the outstanding ring surface of plunger rod head, is arranged on the column of master cylinder both sides and is arranged on the master cylinder frame and the fairlead of column junction; Its special character is: the contact-making surface of described bulb and plunger rod is a sphere; On the described contact-making surface lubrication groove is set; Described sphere pressure ring cooperates with the outstanding ring surface cambered surface of plunger rod; The annular fairlead that described fairlead is overlapped by fixed guide and the activity-oriented cover is formed, described fixed guide cover is that wedge shape is adaptive with the activity-oriented cover, described activity-oriented is set on fixed guide cover inboard and moves along the inclined-plane; The inner surface of activity-oriented cover contacts with column, and the outer surface of fixed guide cover contacts with the master cylinder frame.
Above-mentioned master cylinder comprises oil-in, and described oil-in is arranged on the bottom of cylinder body.
The oil-in connector is set between above-mentioned oil-in and the cylinder body, and the upper end of described connector is communicated with oil-in, and the lower end of described connector is communicated with cylinder body, and described connector is " L " shape connector; Described connector upper end is provided with joint, and the shape and the oil-in of described joint are adaptive.
The head of above-mentioned master cylinder is provided with the master cylinder plunger sealing device, described sealing device comprise cooperate the cylinder cap of socket with plunger and be arranged on plunger and cylinder cap between first sealing ring, second sealing ring and adjust cover, described first sealing ring is provided with along the cylinder cap bottom interior wall; Described second sealing ring is arranged on the top of first sealing ring; Described adjustment is set on second sealing ring top, is provided with along cylinder cap top inwall; Described cylinder cap is the convex shape cylinder cap that reduces successively from the bottom to the top end diameter, and described cylinder cap base diameter is identical with the master cylinder diameter.
The contact-making surface of above-mentioned plunger rod and bulb is the concave spherical surface adaptive with spherical shape, and the contact-making surface of described bulb and base is the plane, and described bulb is fixedlyed connected with base; Described lubrication groove is to be concentrically ringed annular lubrication groove with the bulb surface.
Said fixing fairlead and activity-oriented cover are that the fairlead of circular arc is formed by two or more cross sections.
The movable end of above-mentioned activity-oriented cover is provided with pressing plate, and described pressing plate is the annular pressing plate adaptive with column, and pressing plate is provided with hold-down bolt; Described activity-oriented cover is provided with open slot with the contact-making surface of pressing plate, and described open slot is a plurality of, evenly distributes along the diametric(al) of contact-making surface, and the length of described open slot is less than the transverse gage of activity-oriented cover.
The contact-making surface of the outstanding ring surface of above-mentioned sphere pressure ring and plunger rod is a cancave cambered surface, and the outstanding ring surface of described plunger rod is adaptive with it convex globoidal; The annular edge of described sphere pressure ring is provided with locating ring.
The inner surface of above-mentioned activity-oriented cover is provided with lubricating groove; Described lubricating groove is a plurality of, evenly is provided with along activity-oriented cover inner surface; Described lubricating groove is vertical lubrication groove, and described lubricating groove is the lubrication groove of the open end sealing of an end.
Above-mentioned bulb is that bolt is connected or pin connects with the fixed form of base; Described locating ring is connected with the sphere junk ring bolt or pin connects.
The advantage that hydraulic pressure of the present invention is forged machine soon is:
1) by bulb and the adaptive version of concave spherical surface between plunger rod and forging and pressing base, makes plunger rod off-centre can not take place, guaranteed the quality of forging and pressing.
2) upper surface at bulb is provided with a plurality of lubrication grooves, and the frictional force between bulb and the plunger is reduced, and the wearing and tearing of bulb and plunger all improve significantly.
3) by the pressure ring of cancave cambered surface annular, suitable with plunger rod, the adaptive mode of cambered surface can make plunger rod and bulb full contact, and when contact point was stressed, the difficult skew can not produce rocking of plunger rod, Stability Analysis of Structures.
4) fairlead is mutual adaptive with two in activity-oriented cover by the fixed guide cover, the activity-oriented cover can be slided between fixed guide cover and column, behind the medial surface and column wearing and tearing of activity-oriented cover, only the activity-oriented cover need be advanced certain distance, just can continue to guarantee guide effect, not need frequently to change fairlead.
5) the present invention is provided with open slot by putting at activity-oriented, and is easier in the time of can using pressing plate that the activity-oriented cover is compressed, and incision was the structure of several sections in the middle of fixed guide cover and activity-oriented cover adopted, the compressing of portable propelling fairlead.
6) offer lubricating groove at the inner surface of activity-oriented cover, lubricating groove evenly is provided with along activity-oriented cover inner surface, and the stressed friction between fairlead and the column of taking in sail makes the equipment operation more stable, and improved the utilization rate of fairlead greatly.
7) oil-in connector has adopted L shaped structure, and oil-in is communicated with hydraulic cylinder, and L shaped structure realizes the plug-in type sealing, and Stability Analysis of Structures avoids oil body to spill.
8) master cylinder plunger sealing device by comprising first sealing ring, second sealing ring and the cylinder cap form of adjusting cover, has been realized multi-stage sealedly, and the form that cylinder cap adopts convex shape has realized the plug-in type sealing, Stability Analysis of Structures.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 .1-Fig. 2 .2 is the specific embodiment schematic diagram of bulb among the present invention;
Fig. 3 is the structural representation of fairlead among the present invention;
Fig. 4 .1 is an activity-oriented cover cross sectional representation of the present invention;
Fig. 4 .2 is a fixed guide cover cross sectional representation of the present invention;
Fig. 4 .3 is the longitudinal section schematic diagram of activity-oriented cover of the present invention;
Fig. 5 .1 is the structural representation of master cylinder connector of the present invention;
Fig. 5 .2 is that the A of Fig. 5 .1 is to view;
Fig. 6 is a master cylinder sealed structural representation of the present invention;
The specific embodiment
Referring to Fig. 1, hydraulic pressure of the present invention is forged machine soon, comprises plunger rod 1, master cylinder 2, frame 3, column 4, fairlead 5, the base 10 of plunger rod 1, bulb 11, sphere pressure ring 12, bolt 13, locating ring 14, master cylinder oil-in 6, oil-in connector 7; The plunger part of forging and pressing is connected in column 4 by frame 3, and complete machine promotes, and forges and presses effect with plunger rod 1 part simultaneously, and hydraulic pressure of the present invention is forged machine soon and all improved in a lot of places, the forging and pressing effect stability, and good cliff of displacement forging and pressing effect is arranged.
Referring to Fig. 2 .1, bulb 11 is arranged on the base 10, and is fixed together with base 10, and connected mode can be the mode that is connected arbitrarily, for example bolt connection, pin connection etc.; Plunger rod 1 also changes concave spherical surface into accordingly with the contact-making surface of bulb 11, this frame mode, in the forging and pressing process, when 10 pairs of objects of plunger rod 1 motion drive base forge and press, when base 10 is subjected to impulse force, corresponding plunger rod 1 also can be subjected to reaction force, even plunger rod 1 that sphere is adaptive and base 10 are when being subjected to bigger power, also can prevent eccentric load, under long-term effect, wearing and tearing between the two also can reduce by the structure that sphere cooperates, and make plunger rod 1 more difficult generation skew, influence forging and pressing quality.
Referring to Fig. 2 .2, bulb 11 with the contact surface of plunger rod 1 on have and be the circular lubrication groove 16 that concentric circles is provided with, can fill certain lubricant and reduce wearing and tearing between plunger rod 1 and the bulb 11, bulb 11 among the present invention is that upper surface is the bulb of protruding sphere, the surface is that the bulb on plane can be offered circular lubrication groove 16 too, the shape of lubrication groove 16 also can adopt other form, linear or shaped form lubrication groove horizontal or that vertically be provided with also can be realized goal of the invention of the present invention, when lubrication groove 16 is linear or shaped form, be the sealing of an end opening one end, guarantee that lubricant can be in lubrication groove.
Referring to Fig. 3, the fairlead 5 of fast forging machine of the present invention is adjustable fairlead, comprise fixed guide cover 51, activity-oriented cover 52, pressing plate 53 and hold-down bolt 54, wherein, fixed guide cover 51 is fixed between frame 3 and the column 4, guarantee that lateral surface and frame 3 closely cooperate, activity-oriented cover 52 usefulness pressing plates 53 are pressed between fixed guide cover 51 and the column 4, make column 4 can not produce when rocking, with hold-down bolt 54 that pressing plate 53 and frame 3 is fastening, because column 4 can be subjected to the big stress that plunger brings, certain wearing and tearing can take place in the inner surface of activity-oriented cover 52, when wearing and tearing can produce column to rock off-centre, with pressing plate 53 activity-oriented cover 52 is pressed in the free gaps between fixed guide cover 51 and the column 4, can utilizes scale that the numerical value that is pressed into of adjustable fairlead is set, as advance a joint activity-oriented and overlapped 52 key groove tangent ratio 1: 10 according to knowhow.
Referring to Fig. 4 .1, activity-oriented cover 52 is provided with open slot 520 with the contact-making surface of pressing plate 53, open slot 520 is a plurality of, diametric(al) along contact-making surface evenly distributes, the length of open slot 520 is less than the transverse gage of activity-oriented cover 52, and promptly open slot 520 is not to connect activity-oriented cover, this activity-oriented cover 52 that open slot 520 is arranged, when needs are compressed into pressing plate 53, easier being pressed into.Referring to Fig. 4 .2, fixed guide cover 51 is that the fairlead of circular arc is formed by two or more cross sections, be that fixed guide cover 51 can vertically cut into the several separate part as required, among the figure two fairleads that the cross section is a circular arc, activity-oriented cover 52 equally can adopt this structure, the mode that this fixed guide cover not only of the present invention and activity-oriented cover cooperate can adopt this mode, and common annular fairlead also can adopt this structure, makes Stability Analysis of Structures.
Referring to Fig. 4 .3, forging press guide pillar cover of the present invention, inner surface at activity-oriented cover 52, the contact-making surface that is activity-oriented cover 52 and column 4 is provided with lubricating groove 521, Fig. 5 is the longitudinal profile view of activity-oriented cover 52, lubricating groove 521 is vertically to be provided with, lubricating groove 521 is a plurality of, concrete quantity can be offered as required, preferably at interval uniformly, lubricating groove 521 is longitudinal cuts in the inner surface incision of activity-oriented cover 52, what longitudinal cut had offers from upper surface, and what have offers from lower surface, and the length of lubricating groove 521 is less than the length of activity-oriented cover 52, as far as possible conveniently add lubricant, and guarantee that lubricant can be unlikely to run off in lubricating groove 521.
Referring to Fig. 5 .1, Fig. 5 .2, hydraulic cylinder oil-in connector 7 is embedded on the cylinder wall, the upper end of connector 7 is communicated with the oil-in of master cylinder 2, the lower end of connector 7 and master cylinder 2 internal communication, connector 7 is L-shaped connectors, such structure has realized the plug-type seal form of connector, makes the oil body in the cylinder be not easy to spill the end that connector 7 upper ends are connected with oil-in, joint 72 is set, the size of joint 72 and oil-in big or small suitable, joint 72 is the joint of annular preferably, and circular interface finds the most adaptive oil inlet pipe easily, connecting hole 73 evenly is set on the joint 72, joint 72 and cylinder wall can be fixed.
Referring to Fig. 6, the form of master cylinder 2 plunger seals, cylinder cap 23 is arranged on the head of master cylinder 2, master cylinder 2 is sealed, the inwall of cylinder cap 23 cooperates socket with plunger 1, first sealing ring 24 is set between plunger 1 and cylinder cap 23, second sealing ring 25 and adjustment cover 26, first sealing ring 24 is along the bottom interior wall setting of cylinder cap 23, adjusting cover 26 is provided with along cylinder cap 23 top inwalls, adjusting cover 26 can realize regulating to cylinder cap 23, cylinder cap 23 inwalls can have and first sealing ring 24, second sealing ring 25 and adjust the adaptive grooves of cover 26, groove can be better overlap adaptively with sealing ring and adjustment, do not have the structure of groove passable too; Cylinder cap 23 is cylinder caps of the convex shape that reduces successively from the bottom to the top end diameter, this structure can be better and plunger 1 and master cylinder 2 adaptive, can realize plug-type sealing, Stability Analysis of Structures.
Claims (10)
1. a hydraulic pressure is forged machine soon, comprises master cylinder, is arranged on plunger rod, the base that is connected with the plunger rod head in the master cylinder, is arranged on bulb between plunger rod and the base, and the adaptive sphere pressure ring of the outstanding ring surface of plunger rod head, is arranged on the column of master cylinder both sides and is arranged on the master cylinder frame and the fairlead of column junction; It is characterized in that: the contact-making surface of described bulb and plunger rod is a sphere; On the described contact-making surface lubrication groove is set; Described sphere pressure ring cooperates with the outstanding ring surface cambered surface of plunger rod; The annular fairlead that described fairlead is overlapped by fixed guide and the activity-oriented cover is formed, described fixed guide cover is that wedge shape is adaptive with the activity-oriented cover, described activity-oriented is set on fixed guide cover inboard and moves along the inclined-plane; The inner surface of activity-oriented cover contacts with column, and the outer surface of fixed guide cover contacts with the master cylinder frame.
2. hydraulic pressure according to claim 1 is forged machine soon, it is characterized in that: described master cylinder comprises oil-in, and described oil-in is arranged on the bottom of cylinder body.
3. hydraulic pressure according to claim 2 is forged machine soon, it is characterized in that: the oil-in connector is set between described oil-in and the cylinder body, the upper end of described connector is communicated with oil-in, and the lower end of described connector is communicated with cylinder body, and described connector is " L " shape connector; Described connector upper end is provided with joint, and the shape and the oil-in of described joint are adaptive.
4. hydraulic pressure according to claim 3 is forged machine soon, it is characterized in that: the head of described master cylinder is provided with the master cylinder plunger sealing device, described sealing device comprise cooperate the cylinder cap of socket with plunger and be arranged on plunger and cylinder cap between first sealing ring, second sealing ring and adjust cover, described first sealing ring is provided with along the cylinder cap bottom interior wall; Described second sealing ring is arranged on the top of first sealing ring; Described adjustment is set on second sealing ring top, is provided with along cylinder cap top inwall; Described cylinder cap is the convex shape cylinder cap that reduces successively from the bottom to the top end diameter, and described cylinder cap base diameter is identical with the master cylinder diameter.
5. forge machine soon according to claim 1 or 2 or 3 or 4 described hydraulic pressure, it is characterized in that: the contact-making surface of described plunger rod and bulb is the concave spherical surface adaptive with spherical shape, and the contact-making surface of described bulb and base is the plane, and described bulb is fixedlyed connected with base; Described lubrication groove is to be concentrically ringed annular lubrication groove with the bulb surface.
6. hydraulic pressure according to claim 5 is forged machine soon, it is characterized in that: described fixed guide cover and activity-oriented cover are that the fairlead of circular arc is formed by two or more cross sections.
7. hydraulic pressure according to claim 6 is forged machine soon, it is characterized in that: the movable end of described activity-oriented cover is provided with pressing plate, and described pressing plate is the annular pressing plate adaptive with column, and pressing plate is provided with hold-down bolt; Described activity-oriented cover is provided with open slot with the contact-making surface of pressing plate, and described open slot is a plurality of, evenly distributes along the diametric(al) of contact-making surface, and the length of described open slot is less than the transverse gage of activity-oriented cover.
8. hydraulic pressure according to claim 7 is forged machine soon, it is characterized in that: the contact-making surface of the outstanding ring surface of described sphere pressure ring and plunger rod is a cancave cambered surface, and the outstanding ring surface of described plunger rod is adaptive with it convex globoidal; The annular edge of described sphere pressure ring is provided with locating ring.
9. hydraulic pressure according to claim 8 is forged machine soon, it is characterized in that: the inner surface of described activity-oriented cover is provided with lubricating groove; Described lubricating groove is a plurality of, evenly is provided with along activity-oriented cover inner surface; Described lubricating groove is vertical lubrication groove, and described lubricating groove is the lubrication groove of the open end sealing of an end.
10. hydraulic pressure according to claim 9 is forged machine soon, it is characterized in that: described bulb is that bolt is connected or pin connects with the fixed form of base; Described locating ring is connected with the sphere junk ring bolt or pin connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110123746 CN102218494B (en) | 2011-05-13 | 2011-05-13 | Hydraulic rapid forging press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110123746 CN102218494B (en) | 2011-05-13 | 2011-05-13 | Hydraulic rapid forging press |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102218494A true CN102218494A (en) | 2011-10-19 |
| CN102218494B CN102218494B (en) | 2013-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110123746 Expired - Fee Related CN102218494B (en) | 2011-05-13 | 2011-05-13 | Hydraulic rapid forging press |
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| Country | Link |
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| CN (1) | CN102218494B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106825355A (en) * | 2017-03-23 | 2017-06-13 | 莱芜钢铁集团有限公司 | A kind of connecting structure and hydraulic press |
| CN108533560A (en) * | 2018-03-30 | 2018-09-14 | 天津市天锻压力机有限公司 | A kind of composite cylinder suitable for multi-cored forging press |
| CN109304414A (en) * | 2017-07-27 | 2019-02-05 | 上海五钢设备工程有限公司 | The clearance adjustment method of the walking beam of fast forging equipment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4419878A (en) * | 1980-08-28 | 1983-12-13 | Sms Schloemann Siemag Aktiengesellschaft | Hydraulic drop forging press of above-construction with prestressed press frame |
| JPH03230839A (en) * | 1990-02-03 | 1991-10-14 | Sumitomo Heavy Ind Ltd | Forging press |
| CN201471762U (en) * | 2009-08-28 | 2010-05-19 | 二重集团（德阳）重型装备股份有限公司 | Hydraulic press working cylinder plunger and moving crossbeam connecting structure |
| CN101758639A (en) * | 2009-11-19 | 2010-06-30 | 天津市天锻压力机有限公司 | Sliding block guide track structure of four-column hydraulic press |
| CN101837416A (en) * | 2010-04-09 | 2010-09-22 | 太原重工股份有限公司 | Load-deflection resistant loading system for free hydraulic forging press |
| CN202123176U (en) * | 2011-05-13 | 2012-01-25 | 无锡市乾丰锻造有限公司 | Hydraulic quick forging machine |
-
2011
- 2011-05-13 CN CN 201110123746 patent/CN102218494B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4419878A (en) * | 1980-08-28 | 1983-12-13 | Sms Schloemann Siemag Aktiengesellschaft | Hydraulic drop forging press of above-construction with prestressed press frame |
| JPH03230839A (en) * | 1990-02-03 | 1991-10-14 | Sumitomo Heavy Ind Ltd | Forging press |
| CN201471762U (en) * | 2009-08-28 | 2010-05-19 | 二重集团（德阳）重型装备股份有限公司 | Hydraulic press working cylinder plunger and moving crossbeam connecting structure |
| CN101758639A (en) * | 2009-11-19 | 2010-06-30 | 天津市天锻压力机有限公司 | Sliding block guide track structure of four-column hydraulic press |
| CN101837416A (en) * | 2010-04-09 | 2010-09-22 | 太原重工股份有限公司 | Load-deflection resistant loading system for free hydraulic forging press |
| CN202123176U (en) * | 2011-05-13 | 2012-01-25 | 无锡市乾丰锻造有限公司 | Hydraulic quick forging machine |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106825355A (en) * | 2017-03-23 | 2017-06-13 | 莱芜钢铁集团有限公司 | A kind of connecting structure and hydraulic press |
| CN109304414A (en) * | 2017-07-27 | 2019-02-05 | 上海五钢设备工程有限公司 | The clearance adjustment method of the walking beam of fast forging equipment |
| CN108533560A (en) * | 2018-03-30 | 2018-09-14 | 天津市天锻压力机有限公司 | A kind of composite cylinder suitable for multi-cored forging press |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102218494B (en) | 2013-06-12 |
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