CN102218494B - Hydraulic rapid forging press - Google Patents
Hydraulic rapid forging press Download PDFInfo
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- CN102218494B CN102218494B CN 201110123746 CN201110123746A CN102218494B CN 102218494 B CN102218494 B CN 102218494B CN 201110123746 CN201110123746 CN 201110123746 CN 201110123746 A CN201110123746 A CN 201110123746A CN 102218494 B CN102218494 B CN 102218494B
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- plunger rod
- activity
- bulb
- forging press
- ring
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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 fields, relate in particular to a kind of hydraulic rapid forging press.
Background technology
in casting forging and pressing process, the mould of needs forging and pressing to be placed in the below of forging and pressing machine in a lot of situations, utilize quick forging machine to forge and press, the groundwork of quick forging machine partly comprises column, whole forging machine is played auxiliary oil cylinder and the secondary cylinder plug of lifting, plunger rod in master cylinder and 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 forging and pressing, adopt bulb to coordinate between plunger and lower bottom base, bulb is the plane bulb, the contact-making surface of lower bottom base and plunger rod all can cause larger loss because of stressed, impact is normal produces, after loss ratio is large, plunger can produce bias, cause unbalance stress.In addition, when the wearing and tearing of bulb and plunger rod cause plunger rod bias, need to change bulb and plunger rod, waste time and energy and cost can promote greatly.Plunger rod and lower bottom base compress by spherical surface compression ring, plunger rod is contacted from dividing with bulb, alleviate eccentric load, but eccentric load can't be eliminated fully, the bottom contact-making surface of existing spherical surface compression ring and plunger rod is all 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 large supporting role to whole forging machine, in order to guarantee the working properly of plunger rod, fairlead is set on column, and fairlead is due to stressed large, and the fairlead wearing and tearing of annular are large, easily cause equipment unstable.
Summary of the invention
In order to solve existing technical problem in background technology, the present invention proposes a kind of hydraulic rapid forging press, forge and press effective, Stability Analysis of Structures.
Technical solution of the present invention is: a kind of hydraulic rapid forging press comprises master cylinder, is arranged on plunger rod, the base that is connected with the plunger rod head in master cylinder, is arranged on bulb between plunger rod and base, and the adaptive spherical surface compression 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 sphere; On described contact-making surface, lubrication groove is set; Described spherical surface compression ring coordinates with the outstanding ring surface cambered surface of plunger rod; The annular fairlead that described fairlead is comprised of fixed guide cover and activity-oriented cover, described fixed guide cover is that wedge shape is adaptive with the activity-oriented cover, described activity-oriented is set on fixed guide and overlaps inboard and move 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.
Between above-mentioned oil-in and cylinder body, oil inlet connecting piece is set, 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 shape and the oil-in of described joint are adaptive.
The head of above-mentioned master cylinder arranges sealer for main oil cylinder plunger piston, described sealing device comprise coordinate with plunger the socket cylinder cap and be arranged on plunger and cylinder cap between the first sealing ring, the second sealing ring and adjusting sleeve, described the first sealing ring arranges along the cylinder cap bottom interior wall; Described the second sealing ring is arranged on the top of the first sealing ring; Described adjusting sleeve is arranged on above the second sealing ring, along cylinder cap top inwall setting; 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 fixedly connected with base; Described lubrication groove is to be concentrically ringed annular lubrication groove with bulb surface.
The fairlead that above-mentioned fixed guide cover and activity-oriented cover are circular arc by two or more cross sections forms.
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, is provided with hold-down bolt on pressing plate; Be provided with open slot on the contact-making surface of described activity-oriented cover and pressing plate, 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 spherical surface compression ring and plunger rod is cancave cambered surface, and the outstanding ring surface of described plunger rod is adaptive with it convex globoidal; Be provided with locating ring on the annular edge of described spherical surface compression ring.
The inner surface of above-mentioned activity-oriented cover is provided with lubricating groove; Described lubricating groove is a plurality of, evenly arranges 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 spherical surface compression ring bolt or pin connects.
The advantage of hydraulic rapid forging press of the present invention is:
1) by bulb and the adaptive version of concave spherical surface between plunger rod and forging and pressing base, make plunger rod bias can not occur, guaranteed the quality of forging and pressing.
2) upper surface at bulb arranges a plurality of lubrication grooves, and the frictional force between bulb and 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 contact with bulb fully, and when contact point was stressed, the difficult skew can not produce rocking of plunger rod, Stability Analysis of Structures.
4) fairlead overlaps with two, activity-oriented cover mutual adaptive by fixed guide, the activity-oriented cover can be slided between fixed guide cover and column, after the medial surface and column wearing and tearing of activity-oriented cover, only the activity-oriented cover need to be advanced certain distance, just can continue to guarantee guide effect, not need frequently to change fairlead.
5) the present invention arranges 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 cuts in the middle of fixed guide cover and activity-oriented cover adopt to be the structure of several parts, the compression of portable propelling fairlead.
6) offer lubricating groove at the inner surface of activity-oriented cover, lubricating groove evenly arranges along activity-oriented cover inner surface, and the stressed friction between fairlead and column of taking in sail makes the equipment operation more stable, and greatly improved the utilization rate of fairlead.
7) oil inlet connecting piece has adopted L shaped structure, and oil-in is communicated with hydraulic cylinder, and L shaped structure realizes insertion sealed, and Stability Analysis of Structures avoids oil body to spill.
8) sealer for main oil cylinder plunger piston by comprising the cylinder cap form of the first sealing ring, the second sealing ring and adjusting sleeve, has been realized multi-stage sealedly, and the form that cylinder cap adopts convex shape has realized insertion sealed, Stability Analysis of Structures.
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 .1-Fig. 2 .2 is the specific embodiment schematic diagram of bulb in the present invention;
Fig. 3 is the structural representation of fairlead in the present invention;
Fig. 4 .1 is activity-oriented cover cross sectional representation of the present invention;
Fig. 4 .2 is 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 master cylinder sealed structural representation of the present invention;
The specific embodiment
Referring to Fig. 1, hydraulic rapid forging press of the present invention comprises plunger rod 1, master cylinder 2, frame 3, column 4, fairlead 5, the base 10 of plunger rod 1, bulb 11, spherical surface compression ring 12, bolt 13, locating ring 14, master cylinder oil-in 6, oil inlet connecting piece 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 rapid forging press of the present invention all improves 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 base 10, and is fixed together with base 10, and connected mode can be the mode that is connected arbitrarily, such as 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 subject to impulse force, corresponding plunger rod 1 also can be subject to reaction force, even the plunger rod 1 that sphere is adaptive and base 10 are when being subjected to larger power, also can prevent eccentric load, under long-term effect, wearing and tearing between the two also can reduce by the structure that sphere coordinates, and make the more difficult generation skew of plunger rod 1, impact forging and pressing quality.
spherical surface compression ring 12 is arranged on the outstanding ring surface 15 of plunger rod 1 head, with outstanding ring surface 15 close fitting, spherical surface compression ring 12 is cancave cambered surfaces with the contact-making surface of outstanding ring surface 15, outstanding ring surface 15 is suitable with it, upper surface is convex globoidal, spherical surface compression ring 12 is connected with base 10 by bolt 13, make the effect that spherical surface compression ring 12 can be by bolt 13 vertically fastening, also can adopt pin, the mode such as be threaded, purpose is can be fastening with spherical surface compression ring 12 and base 10, on spherical surface compression ring 12 annular edge, locating ring 14 is set, the position of 14 pairs of bolts 13 of locating ring positions.
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 arranges, can fill certain lubricant and reduce wearing and tearing between plunger rod 1 and bulb 11, bulb 11 in the present invention is that upper surface is protruding spherical bulb, 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 arrange also can be realized goal of the invention of the present invention, when lubrication groove 16 is linear or shaped form, it is end opening one an end sealing, guarantee that lubricant can be in lubrication groove.
referring to Fig. 3, the fairlead 5 of quick 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 column 4, guarantee that lateral surface and frame 3 closely cooperate, activity-oriented cover 52 use pressing plates 53 are pressed between fixed guide cover 51 and 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 subject to the large stress that plunger brings, certain wearing and tearing can occur in the inner surface of activity-oriented cover 52, when wearing and tearing can produce column to rock bias, with pressing plate 53, activity-oriented is overlapped in 52 free gaps that are pressed between fixed guide cover 51 and column 4, can utilize scale that the numerical value that is pressed into of adjustable fairlead is set according to knowhow, as advance the key groove tangent ratio 1: 10 of a joint activity-oriented cover 52.
Referring to Fig. 4 .1, be provided with open slot 520 on the contact-making surface of activity-oriented cover 52 and 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 namely open slot 520 is not to connect the activity-oriented cover, this activity-oriented cover 52 that open slot 520 is arranged, when needs are compressed into pressing plate 53, more easily be pressed into.Referring to Fig. 4 .2, the fairlead that fixed guide cover 51 is circular arc by two or more cross sections forms, be that fixed guide cover 51 can vertically cut into several independently parts as required, two fairleads that the cross section is circular arc in figure, activity-oriented cover 52 equally can adopt this structure, not only the mode of this fixed guide cover of the present invention and the cooperation of activity-oriented cover can adopt this mode, and common annular fairlead also can adopt this structure, makes Stability Analysis of Structures.
referring to Fig. 4 .3, guide sleeve of stand column of forging press of the present invention, inner surface at activity-oriented cover 52, the contact-making surface that is activity-oriented cover 52 and column 4 arranges lubricating groove 521, Fig. 5 is the longitudinal profile view of activity-oriented cover 52, lubricating groove 521 is vertically to arrange, lubricating groove 521 is a plurality of, concrete quantity can be offered as required, preferably the interval is uniform, lubricating groove 521 is longitudinal cuts in the inner surface incision of activity-oriented cover 52, what longitudinal cut had offers from upper surface, what have offers from lower surface, 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 inlet connecting piece 7 is embedded on 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, make the oil body in 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, circular interface easily finds the most adaptive oil inlet pipe, connecting hole 73 evenly is set on 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 coordinates socket with plunger 1, the first sealing ring 24 is set between plunger 1 and cylinder cap 23, the second sealing ring 25 and adjusting sleeve 26, the first sealing ring 24 is along the bottom interior wall setting of cylinder cap 23, adjusting sleeve 26 arranges along cylinder cap 23 top inwalls, adjusting sleeve 26 can realize regulating to cylinder cap 23, cylinder cap 23 inwalls can have and the first sealing ring 24, the second sealing ring 25 and the adaptive groove of adjusting sleeve 26, groove can be better and sealing ring and adjusting sleeve adaptive, do not have reeded structure 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 (9)
1. hydraulic rapid forging press comprises master cylinder, is arranged on plunger rod, the base that is connected with the plunger rod head in master cylinder, is arranged on bulb between plunger rod and base, and the adaptive spherical surface compression 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 sphere; On described contact-making surface, lubrication groove is set; Described spherical surface compression ring coordinates with the outstanding ring surface cambered surface of plunger rod; The annular fairlead that described fairlead is comprised of fixed guide cover and activity-oriented cover, described fixed guide cover is that wedge shape is adaptive with the activity-oriented cover, described activity-oriented is set on fixed guide and overlaps inboard and move 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; The head of described master cylinder arranges sealer for main oil cylinder plunger piston, described sealing device comprise coordinate with plunger the socket cylinder cap and be arranged on plunger and cylinder cap between the first sealing ring, the second sealing ring and adjusting sleeve, described the first sealing ring arranges along the cylinder cap bottom interior wall; Described the second sealing ring is arranged on the top of the first sealing ring; Described adjusting sleeve is arranged on above the second sealing ring, along cylinder cap top inwall setting; 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.
2. hydraulic rapid forging press according to claim 1, it is characterized in that: described master cylinder comprises oil-in, described oil-in is arranged on the bottom of cylinder body.
3. hydraulic rapid forging press according to claim 2, it is characterized in that: between described oil-in and cylinder body, oil inlet connecting piece is set, 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 shape and the oil-in of described joint are adaptive.
4. according to claim 1 and 2 or 3 described hydraulic rapid forging press, 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 fixedly connected with base; Described lubrication groove is to be concentrically ringed annular lubrication groove with bulb surface.
5. hydraulic rapid forging press according to claim 4 is characterized in that: the fairlead that described fixed guide cover and activity-oriented cover are circular arc by two or more cross sections forms.
6. hydraulic rapid forging press according to claim 5 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, is provided with hold-down bolt on pressing plate; Be provided with open slot on the contact-making surface of described activity-oriented cover and pressing plate, 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.
7. hydraulic rapid forging press according to claim 6 is characterized in that: the contact-making surface of the outstanding ring surface of described spherical surface compression ring and plunger rod is cancave cambered surface, and the outstanding ring surface of described plunger rod is adaptive with it convex globoidal; Be provided with locating ring on the annular edge of described spherical surface compression ring.
8. hydraulic rapid forging press according to claim 7 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 arranges 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.
9. hydraulic rapid forging press according to claim 8 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 spherical surface compression 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 CN102218494A (en) | 2011-10-19 |
| CN102218494B true 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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| CN (1) | CN102218494B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106825355B (en) * | 2017-03-23 | 2019-03-19 | 莱芜钢铁集团有限公司 | A kind of connecting structure and hydraulic press |
| CN109304414B (en) * | 2017-07-27 | 2020-08-25 | 上海五钢设备工程有限公司 | Gap adjusting method for movable beam of quick forging equipment |
| CN108533560B (en) * | 2018-03-30 | 2020-11-17 | 天津市天锻压力机有限公司 | Composite cylinder suitable for multidirectional die forging press |
Citations (5)
| 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 |
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03230839A (en) * | 1990-02-03 | 1991-10-14 | Sumitomo Heavy Ind Ltd | Forging press |
-
2011
- 2011-05-13 CN CN 201110123746 patent/CN102218494B/en not_active Expired - Fee Related
Patent Citations (5)
| 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 |
| 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 |
Non-Patent Citations (1)
| Title |
|---|
| JP平3-230839A 1991.10.14 |
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