CN201823859U - Hydraulic forging press - Google Patents

Hydraulic forging press Download PDF

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Publication number
CN201823859U
CN201823859U CN 201020165195 CN201020165195U CN201823859U CN 201823859 U CN201823859 U CN 201823859U CN 201020165195 CN201020165195 CN 201020165195 CN 201020165195 U CN201020165195 U CN 201020165195U CN 201823859 U CN201823859 U CN 201823859U
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CN
China
Prior art keywords
slide block
jointed shaft
oil cylinder
axis
frame
Prior art date
Application number
CN 201020165195
Other languages
Chinese (zh)
Inventor
张全后
Original Assignee
重庆全悦机械制造有限公司
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Application filed by 重庆全悦机械制造有限公司 filed Critical 重庆全悦机械制造有限公司
Priority to CN 201020165195 priority Critical patent/CN201823859U/en
Application granted granted Critical
Publication of CN201823859U publication Critical patent/CN201823859U/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B30PRESSES
    • B30BPRESSES IN GENERAL
    • B30B1/00Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen
    • B30B1/10Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by toggle mechanism
    • B30B1/16Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by toggle mechanism operated by fluid-pressure means

Abstract

The utility model discloses a hydraulic forging press including a hydraulic system, a control system, a frame, a die locking hydraulic cylinder, a slide block, a guide rail, an extrusion oil cylinder, an upper workbench and a lower workbench, the slide block is shaped as a hexahedron, the gravity center of the slide block is arranged on the axis of the piston rod of the die locking hydraulic cylinder, the lower end of the die locking piston rod of the die locking hydraulic cylinder is connected to a pivot vertical to the axis of the piston rod, four groups of same elbow-bar force amplifiers are rotatably connected on the pivot and are respectively rotatably connected at upper end of the frame, the other ends of the four groups of elbow-bar force amplifiers are respectively hinged to the top end of the slide block, the four connection parts of the elbow-bar force amplifiers and the slide block are symmetrically distributed in the front, rear, left and right directions with respect to the plumb line of the gravity center of the slide block, the forging press is further provided with a top pressing oil cylinder and a side pressing oil cylinder. The beneficial effects of the utility model are that the forging press provided has the advantages of simple structure, less energy consumption, fast speed, long service lifetime, low manufacture cost, and being suitable for the technologies of various forge pieces such as obturation forging, backpressure additional forging or multidirectional forging etc.

Description

Hydraulic forging press
Technical field the utility model relates to a kind of forging equipment, particularly hydraulic forging press.
Background technology in the metal forging industry, process for forging such as the additional forging of block forging, back pressure, multiway forging because have the saving of labor, save time, forge and press the precision height, advantage such as energy-conservation, more and more be subjected to insider's favor.At present, adopt traditional forging equipment to forge mostly, be aided with custom-designed special construction mould and realize this process for forging.Because be subjected to that traditional forging equipment body is huge, noise is big, energy resource consumption is big, low precision, the speed of service be low, and the mould structure complexity of special construction, factor such as involve great expense restriction, be not suitable for and produce in enormous quantities and satisfy new Forging Technology development need.The forging equipment that surges can overcome the big deficiency of noise, obtains more and more widely application at forging industry in recent years.But existing double-acting forcing press normally hydraulic cylinder directly promotes the forging press slide block and realizes matched moulds, and thrust hydraulic cylinder directly determines clamping pressure, and forging press exists energy consumption height, deficiency that forge speed is low, and the scope of application is subjected to certain limitation.
The summary of the invention the purpose of this utility model is exactly at the deficiencies in the prior art, provides simple in structure, energy resource consumption is few, speed is very fast, low cost of manufacture, hydraulic forging press applied widely.
For achieving the above object, the utility model adopts following technical scheme:
A kind of hydraulic forging press; comprise hydraulic system; control system; the frame of board-like frame structure; frame is provided with the closing liquid cylinder pressure; the closing piston bar below of closing liquid cylinder pressure is provided with slide block; slide block is sliding combined with guide rail; be fixedly connected with extrusion oil cylinder and upper table on the slide block; extrusion oil cylinder and closing liquid cylinder pressure coaxial line; the upper table below is provided with lower table; lower table is fixedlyed connected with frame; the oil-in of closing liquid cylinder pressure and extrusion oil cylinder is connected with hydraulic system respectively with oil-out; described slide block is the hexahedron shape; the slide block center of gravity is positioned on the piston rod axis of closing liquid cylinder pressure; the closing piston bar lower end of closing liquid cylinder pressure is connected with the pivot perpendicular to its axis; be rotatably connected to four groups of identical toggle link force-increasing mechanisms on the pivot; four groups of toggle link force-increasing mechanisms are rotatably connected on the frame upper end respectively; the other end of four groups of toggle link force-increasing mechanisms is hinged on the slide block top respectively; four junctions on toggle link force-increasing mechanism and slide block top are before and after being with respect to the plumb line of slide block center of gravity; left-right symmetry distributes.
Adopt two dynamic pressure forging presses of above scheme; the upper die and lower die of forge die are installed in respectively on upper table and the lower table; the closing piston bar lower end pivot of closing liquid cylinder pressure both can be fixedlyed connected with the closing piston bar; also can be rotationally connected with the closing piston bar, the relation of being rotationally connected that satisfies toggle link force-increasing mechanism and closing piston bar both can.The reciprocating motion of the pistons of closing liquid cylinder pressure drives slide blocks by four groups of identical toggle link force-increasing mechanisms and pumps, realize forging and pressing in advance, matched moulds, matched moulds continue compress, move back the die worker and do, extrusion oil cylinder is finished forging process.Because the closing liquid cylinder pressure is single oil cylinder, and four groups of toggle link force-increasing mechanisms are identical, and even, the symmetrical slide block top that is arranged in, slide block is stressed to be concentrated on the center of gravity line, the friction pair movement clearance of guaranteeing smooth and easy, steady, the no jam of slide block movement, guide rail and slide block is little, wearing and tearing are little, noise is low, thereby guarantees equipment forging and pressing precision height, long service life; The utility model directly promotes slide block with oil cylinder and compares, and under the identical situation of clamping pressure, can reduce the cylinder diameter of closing liquid cylinder pressure greatly, thereby realizes reducing the purpose of matched moulds energy consumption.
Preferably, the toggle link force-increasing mechanism comprises connecting rod, upper arm, underarm, upper bracket, undersetting, one end of connecting rod is rotationally connected by pivot and closing piston bar lower end, be connected with first jointed shaft between the other end of connecting rod and the upper arm, the axis of first jointed shaft is parallel with pivotal axis, and connecting rod and upper arm one side are hinged by first jointed shaft; Be connected with second jointed shaft between the opposite side of upper arm and the underarm, the axis of second jointed shaft is parallel with pivot, and upper arm and underarm are hinged by second jointed shaft; Be connected with the 3rd jointed shaft between the other end of underarm and undersetting, undersetting is fixedly connected on the slide block top, and the axis of the 3rd jointed shaft is parallel with the second jointed shaft axis, and underarm is hinged by the 3rd jointed shaft and undersetting; Upper bracket is fixedly connected on the lower surface of frame roof, is connected with the 4th jointed shaft on the upper bracket, and the axis of the axis of the 4th jointed shaft and the 3rd jointed shaft is positioned at same perpendicular, and upper arm is rotationally connected by the 4th jointed shaft and upper bracket.When upper arm turn to the axis of the axis of second jointed shaft and the 4th jointed shaft when being in same perpendicular; be that underarm is about to move to vertically by heeling condition gradually; slide block is during near limit inferior; the reinforcement effect of toggle link force-increasing mechanism is more and more obvious; that is to say; under the situation of closing liquid cylinder pressure constant pressure; clamping pressure increases gradually along with the process of matched moulds; until finishing the matched moulds process; at this moment; closing piston bar by restriction closing liquid cylinder pressure continues to move, and to the pressurize of matched moulds hydraulic cylinder, realize to mould continue compress.Guarantee that toggle link force-increasing mechanism reinforcement is reliable, and simple in structure, easy to process, low cost of manufacture.
Further preferred, the axis of the second jointed shaft axis and the 3rd jointed shaft is when same perpendicular, and the axis of the pivotal axis and first jointed shaft is located in the same horizontal plane.Second hinged, the 3rd jointed shaft, the 4th jointed shaft are positioned at same perpendicular, and slide block movement is further guaranteed toggle link force-increasing mechanism reinforcement effect to the limit inferior position, and its maximum reinforcement effect can reach tens of times.
Further preferred, the toggle link force-increasing mechanism also is provided with the adjustable limiting block, and the adjustable limiting block is positioned at the outside of underarm, and the adjustable limiting block is fixedly connected on the madial wall of frame, the sidewall in opposite directions of adjustable limiting block and underarm contacts with the respective side walls of underarm when underarm is in vertical state.By the further swing of adjustable limiting stop limits underarm, the closing piston bar that reaches restriction closing liquid cylinder pressure continues to move, and makes slide block remain on the limit inferior position; Its simple in structure, easy to process, low cost of manufacture.
Preferably, wallboard before and after frame comprises two, the outline of wallboard is identical before and after two, the bottom of front and back wallboard is Eight characters shape, the front and back wallboard is provided with the operating maintenance hole, be welded with two left side plates between the wallboard before and after two, top board, base plate, wallboard outlines before and after two left side plates and top board are positioned at two, the bottom profile of base plate and two front and back wallboard formation adapts, two left side plates, top board and base plate and two front and back wallboards form board-like frame structure, the outside of two left side plates and top board is provided with stiffener, stiffener respectively with the front and back wallboard, two left side plates and top board welding; Be welded with vertical stiffener on the base plate, vertical stiffener top is welded with support plate, and the last plane of support plate is connected by bolting with lower table; Described closing liquid cylinder pressure and toggle link force-increasing mechanism are connected on the top board lower surface of frame by bolting respectively; Described guide rail is fixedly connected on the left side plate.Rack construction is simple, integral rigidity good, easy to process, low cost of manufacture, and equipment is easy to operate.
Further preferred, the top board top is provided with cover plate, and bridge welding is connected on the stiffener top of top board top, and cover plate also welds with two front and back wallboards respectively, cover plate forms the secondary supporting on closing liquid cylinder pressure top to it, and the outline of cover plate and the outline of frame top adapt.Further strengthen the rigidity of frame and the firm degree that the closing liquid cylinder pressure is installed, guarantee equipment precision persistence height, long service life
Preferably, adopt X type guideway to be slidingly matched between guide rail and the slide block, the guide rail of X type guideway is fixedly connected on respectively on the frame by bolt, and guide rail is positioned at the frame both sides.X type guideway is a preferred guideway pattern in the forging equipment industry, it has the gap slide block is rotated that influence is little, good rigidly, kinematic accuracy height, bears advantages such as the unbalance loading ability is strong, stability is high, the gap is easy to adjust, guarantees that further equipment moving is steady, noise is little, forging precision is high.
Preferably, extrusion oil cylinder is located in the abdominal cavity, inside of slide block, and extrusion oil cylinder is fixedlyed connected with slide block, extrusion piston bar front end telescopic moving in the via hole that passes slider bottom and upper table of extrusion oil cylinder.Extrusion oil cylinder is located at slide block inside can make full use of the space, reduces equipment volume, extrusion oil cylinder can by the welding or by bolted in slide block, with fixation, easy to process be principle; The welding fixed form can further strengthen the rigidity of slide block.
Preferably, the lower table below is provided with the roof pressure oil cylinder, the oil-in of roof pressure oil cylinder is connected with hydraulic system with oil-out, roof pressure oil cylinder and extrusion oil cylinder coaxial line, the roof pressure oil cylinder is fixedly connected on by its cylinder body on the lower shoe of frame, the telescopic moving in the through hole that the lower table middle part is provided with of the piston rod of roof pressure oil cylinder upper end.The roof pressure oil cylinder can be used for the workpiece demoulding, back pressure etc., is applicable to technological requirements such as block forging, the additional forging of back pressure.
Preferably, be connected with a side pressure oil cylinder by bolting respectively on two left side plates of frame, the oil-in of side pressure oil cylinder is connected with hydraulic system with oil-out, two side pressure oil cylinder coaxial lines are provided with in opposite directions, when upper table is in lower dead point position, the axis of side pressure oil cylinder is on the lower plane of upper table and the lower table between the plane, plane parallel on the axis of side pressure oil cylinder and the lower table.Utilize the side pressure oil cylinder can realize the multiway forging of major axis class part, further expand the scope of application.
The beneficial effect of the utility model hydraulic forging press is, simple in structure, energy resource consumption is few, speed is very fast, noise is low, long service life, and low cost of manufacture is applicable to that the block forging, back pressure of each shape metal forging is additional to forge and Forging Technology such as multiway forging.
Description of drawings Fig. 1 is a structural representation of the present utility model, and wherein, slide block is in upper limit position;
Fig. 2 is a structural representation of the present utility model, and wherein, slide block is in the lower position;
Fig. 3 is the structural representation that slide block, guide rail, the upper table in the utility model makes up;
Fig. 4 is the vertical view of the utility model Fig. 3;
Fig. 5 is the rack construction schematic diagram in the utility model;
Fig. 6 is the vertical view of the utility model Fig. 5;
Fig. 7 is closing liquid cylinder pressure, the slide block in the utility model, the mechanical schematic diagram of toggle link force-increasing mechanism, and wherein, slide block is in the lower position;
Fig. 8 is closing liquid cylinder pressure, the slide block in the utility model, the mechanical schematic diagram of toggle link force-increasing mechanism, and wherein, slide block is in upper limit position.
The specific embodiment is further described the utility model below in conjunction with accompanying drawing:
Referring to Fig. 1; Fig. 2; a kind of hydraulic forging press; comprise hydraulic system; control system; the frame 3 of board-like frame structure; frame 3 is provided with closing liquid cylinder pressure 1; closing piston bar 11 belows of closing liquid cylinder pressure 1 are provided with slide block 6; slide block 6 is sliding combined with guide rail 4; be fixedly connected with extrusion oil cylinder 5 and upper table 7 on the slide block 6; extrusion oil cylinder 5 and closing liquid cylinder pressure 1 coaxial line; upper table 7 belows are provided with lower table 8; lower table 8 is fixedlyed connected with frame 3; the oil-in of closing liquid cylinder pressure 1 and extrusion oil cylinder 5 is connected with hydraulic system respectively with oil-out; described slide block 6 is the hexahedron shape; slide block 6 centers of gravity are positioned on the piston rod axis of closing liquid cylinder pressure 1; closing piston bar 11 lower ends of closing liquid cylinder pressure 1 are fixedly connected with the pivot 12 perpendicular to its axis; pivot 12 is by its external cylindrical surface four groups of identical toggle link force-increasing mechanisms 2 that are rotatably assorted; four groups of toggle link force-increasing mechanisms 2 are rotatably connected on frame 3 upper ends respectively; the other end of four groups of toggle link force-increasing mechanisms 2 is hinged on slide block 6 tops respectively; four junctions on toggle link force-increasing mechanism 2 and slide block 6 tops are before and after being with respect to the plumb line of slide block 6 centers of gravity; left-right symmetry distributes.
Described toggle link force-increasing mechanism 2 comprises connecting rod 21, upper arm 22, underarm 23, upper bracket 24, undersetting 26, one end of connecting rod 21 is provided with the circular hole that the pivot 12 with closing piston bar 11 lower ends adapts, connecting rod 21 is rotationally connected by its circular hole and pivot 12, be connected with first jointed shaft 221 between the other end of connecting rod 21 and the upper arm 22, the axis of first jointed shaft 221 is parallel with pivot 12 axis, first jointed shaft 221 is arranged in the round tube hole that connecting rod 21 and upper arm 22 relevant positions are provided with, first jointed shaft 221 is rotatably assorted with round tube hole, and connecting rod 21 is hinged by first jointed shaft 221 with upper arm 22 1 sides; Be connected with second jointed shaft 222 between the opposite side of upper arm 22 and the underarm 23, the axis of second jointed shaft 222 is parallel with pivot 12, second jointed shaft 222 is arranged in the mating holes that upper arm 22 and underarm 23 relevant positions are provided with, second jointed shaft 222 is rotatably assorted with mating holes, and upper arm 22 is hinged by second jointed shaft 222 with underarm 23; 26 of the other end of underarm 23 and undersettings are connected with the 3rd jointed shaft 231, and undersetting 26 is fixedly connected on slide block 6 tops, and the axis of the 3rd jointed shaft 231 is parallel with second jointed shaft, 222 axis, and underarm 23 is hinged with undersetting 26 by the 3rd jointed shaft 231; Upper bracket 24 is fixedly connected on the lower surface of frame 3 roofs, be connected with the 4th jointed shaft 241 on the upper bracket 24, the axis of the axis of the 4th jointed shaft 241 and the 3rd jointed shaft 231 is positioned at same perpendicular, upper arm 22 is provided with the 4th hinged axis hole, the 4th jointed shaft 241 and the 4th hinged axis hole are rotatably assorted, and upper arm 22 is rotationally connected with upper bracket 24 by the 4th jointed shaft 241.
The axis of described second jointed shaft, 222 axis and the 3rd jointed shaft 231 is when same perpendicular, and the axis of pivot 12 axis and first jointed shaft 221 is located in the same horizontal plane.
Described toggle link force-increasing mechanism 2 also is provided with adjustable limiting block 25, adjustable limiting block 25 is positioned at the outside of underarm 23, adjustable limiting block 25 is fixedly connected on the madial wall of frame 3, the sidewall in opposite directions of adjustable limiting block 25 and underarm 23 contacts with the respective side walls of underarm 23 when underarm 23 is in vertical state.
Referring to Fig. 5, Fig. 6, wallboard 32 before and after described frame 3 comprises two, the outline of wallboard 32 is identical before and after two, the bottom of front and back wallboard 32 is Eight characters shape, front and back wallboard 32 is provided with operating maintenance hole 321, be welded with two left side plates 33 between the wallboard 32 before and after two, top board 34, base plate 35, wallboard 32 outlines before and after two left side plates 33 and top board 34 are positioned at two, the bottom profile that base plate 35 and two front and back wallboards 32 form adapts, two left side plates 33, top board 34 and base plate 35 and two front and back wallboards 32 form board-like frame structure, the outside of two left side plates 33 and top board 34 is provided with stiffener 31, stiffener 31 respectively with front and back wallboard 32, two left side plates 33 and top board 34 welding; Be welded with vertical stiffener 351 on the base plate 35, vertical stiffener 351 tops are welded with support plate 352, and the last plane of support plate 352 and lower table 8 are connected by bolting; Described closing liquid cylinder pressure 1 and toggle link force-increasing mechanism 2 are connected on top board 34 lower surfaces of frame 3 by bolting respectively; Described guide rail 4 is fixedly connected on the left side plate 33.
Described top board 34 tops are provided with cover plate 36, cover plate 36 is welded on stiffener 31 tops of top board 34 tops, cover plate 36 also welds with two front and back wallboards 32 respectively, and cover plate 36 forms secondary supporting on closing liquid cylinder pressure 1 top to it, and the outline at the outline of cover plate 36 and frame 3 tops adapts.
Referring to Fig. 3, Fig. 4, adopt X type guideway to be slidingly matched between described guide rail 4 and the slide block 6, the guide rail 4 of X type guideway is fixedly connected on respectively on the frame 3 by bolt, and guide rail 4 is positioned at frame 3 both sides.
Referring to Fig. 1, Fig. 2, described extrusion oil cylinder 5 is welded in the abdominal cavity, inside of slide block 6, extrusion piston bar 51 front ends telescopic moving in the via hole 71 that passes slide block 6 bottoms and upper table 7 of extrusion oil cylinder 5.
Described lower table 8 belows are provided with roof pressure oil cylinder 9, the oil-in of roof pressure oil cylinder 9 is connected with hydraulic system with oil-out, roof pressure oil cylinder 9 and extrusion oil cylinder 5 coaxial lines, roof pressure oil cylinder 9 is fixedly connected on by its cylinder body on the lower shoe 31 of frame 3, the telescopic moving in the through hole 81 that lower table 8 middle parts are provided with of piston rod 91 upper ends of roof pressure oil cylinder 9.
Be connected with a side pressure oil cylinder 37 by bolting respectively on two left side plates 33 of described frame 3, the oil-in of side pressure oil cylinder 37 is connected with hydraulic system with oil-out, two side pressure oil cylinder 37 coaxial lines are provided with in opposite directions, when upper table 7 is in lower dead point position, the axis of side pressure oil cylinder 37 is on the lower plane of upper table 7 and the lower table 8 between the plane, plane parallel on the axis of side pressure oil cylinder 37 and the lower table 8.
Operation principle: the course of work of the present utility model is briefly explained below in conjunction with accompanying drawing:
Referring to Fig. 1; Fig. 2; Fig. 7; Fig. 8; forge die 10 (Fig. 1; among Fig. 2 shown in the double dot dash line) patrix 101 be fixedly mounted on the upper table 7 of hydraulic forging press; counterdie 102 is fixedly mounted on the lower table 8 of hydraulic forging press; the blank of heating places desired location in the counterdie 102; hydraulic forging press is under the control of control system; the closing piston bar 11 that is driven closing liquid cylinder pressure 1 by hydraulic system moves downward together with pivot 12; driving toggle link force-increasing mechanism 2 orders about slide block 6 and moves along guide rail 4 and move downward; until second jointed shaft 222 and the 3rd jointed shaft 231; when the 4th jointed shaft 241 is in the same perpendicular; under the restriction of adjustable limiting block 25; underarm 23 stops operating; at this moment; slide block 6 is in the limit inferior position together with upper table 7; finish the pre-forging and pressing of the matched moulds and the workpiece of forge die 10, and continue to compress.Subsequently, under the control of control system, the extrusion piston bar 51 that is driven extrusion oil cylinder 5 by hydraulic system moves downward, and finishes the forging process of block forging.Afterwards, the closing piston bar 11 of closing liquid cylinder pressure 1 upwards bounces back together with pivot 12, drives slide blocks 6 by toggle link force-increasing mechanism 2 and gets back to the limes superiors position together with upper table 7, and the extrusion piston bar 51 of extrusion oil cylinder 5 is withdrawal simultaneously also; After this, roof pressure oil cylinder 9 is driven piston rod 91 risings of roof pressure oil cylinder 9 and is ejected forging by hydraulic system under the control of control system, and piston rod 91 is return, and takes out workpiece, so far, and the forging of block forging, the working cycles of the demoulding.
In the aforementioned course of work, under other move constant situation, after matched moulds is finished, the extrusion piston bar 51 of extrusion oil cylinder 5 moves downward with roof pressure oil cylinder 9 piston rods 91 ascending motions to carry out simultaneously, roof pressure oil cylinder 9 applies the back pressure function to forging, realize the additional forging of back pressure, forging adopts other stripping means.
In aforesaid block forging or the additional forging process of back pressure, during continuing behind the matched moulds compressed, two side pressure oil cylinders 37 were worked under control system and HYDRAULIC CONTROL SYSTEM simultaneously, realized the multiway forging of forging.
Though more than combine accompanying drawing and described embodiment of the present utility model, those of ordinary skill in the art also can recognize and makes various variations in the scope to claims or modification is feasible.These modifications and variations are interpreted as within scope of the present utility model and intention.

Claims (10)

1. hydraulic forging press; comprise hydraulic system; control system; the frame of board-like frame structure (3); frame (3) is provided with closing liquid cylinder pressure (1); piston rod (11) below of closing liquid cylinder pressure (1) is provided with slide block (6); slide block (6) is sliding combined with guide rail (4); be fixedly connected with extrusion oil cylinder (5) and upper table (7) on the slide block (6); extrusion oil cylinder (5) and closing liquid cylinder pressure (1) coaxial line; upper table (7) below is provided with lower table (8); lower table (8) is fixedlyed connected with frame (3); the oil-in of closing liquid cylinder pressure (1) and extrusion oil cylinder (5) is connected with hydraulic system respectively with oil-out; it is characterized in that: described slide block (6) is the hexahedron shape; slide block (6) center of gravity is positioned on the piston rod axis of closing liquid cylinder pressure (1); closing piston bar (11) lower end of closing liquid cylinder pressure (1) is connected with the pivot (12) perpendicular to its axis; be rotatably connected to four groups of identical toggle link force-increasing mechanisms (2) on the pivot (12); four groups of toggle link force-increasing mechanisms (2) are rotatably connected on frame (3) upper end respectively; the other end of four groups of toggle link force-increasing mechanisms (2) is hinged on slide block (6) top respectively; four junctions on toggle link force-increasing mechanism (2) and slide block (6) top are before and after being with respect to the plumb line of slide block (6) center of gravity; left-right symmetry distributes.
2. hydraulic forging press according to claim 1, it is characterized in that: described toggle link force-increasing mechanism (2) comprises connecting rod (21), upper arm (22), underarm (23), upper bracket (24), undersetting (26), one end of connecting rod (21) is rotationally connected by pivot (12) and closing piston bar (11) lower end, be connected with first jointed shaft (221) between the other end of connecting rod (21) and the upper arm (22), the axis of first jointed shaft (221) is parallel with pivot (12) axis, and connecting rod (21) is hinged by first jointed shaft (221) with upper arm (22) one sides; Be connected with second jointed shaft (222) between the opposite side of upper arm (22) and the underarm (23), the axis of second jointed shaft (222) is parallel with pivot (12), and upper arm (22) is hinged by second jointed shaft (222) with underarm (23); Be connected with the 3rd jointed shaft (231) between the other end of underarm (23) and undersetting (26), undersetting (26) is fixedly connected on slide block (6) top, the axis of the 3rd jointed shaft (231) is parallel with second jointed shaft (222) axis, and underarm (23) is hinged by the 3rd jointed shaft (231) and undersetting (26); Upper bracket (24) is fixedly connected on the lower surface of frame (3) roof, be connected with the 4th jointed shaft (241) on the upper bracket (24), the axis of the axis of the 4th jointed shaft (241) and the 3rd jointed shaft (231) is positioned at same perpendicular, and upper arm (22) is rotationally connected by the 4th jointed shaft (241) and upper bracket (24).
3. hydraulic forging press according to claim 2, it is characterized in that: described second jointed shaft (222) axis is when the axis with the 3rd jointed shaft (231) is positioned at same perpendicular, and the axis of pivot (12) axis and first jointed shaft (221) is located in the same horizontal plane.
4. hydraulic forging press according to claim 2, it is characterized in that: described toggle link force-increasing mechanism (2) also is provided with adjustable limiting block (25), adjustable limiting block (25) is positioned at the outside of underarm (23), adjustable limiting block (25) is fixedly connected on the madial wall of frame (3), adjustable limiting block (25) when being in vertical state, contacts with the respective side walls of underarm (23) at underarm (23) with the sidewall in opposite directions of underarm (23).
5. hydraulic forging press according to claim 1, it is characterized in that: wallboard (32) before and after described frame (3) comprises two, the outline of wallboard (32) is identical before and after two, the bottom of front and back wallboards (32) is Eight characters shape, front and back wallboards (32) are provided with operating maintenance hole (321), be welded with two left side plates (33) between the wallboard (32) before and after two, top board (34), base plate (35), wallboard (32) outline before and after two left side plates (33) and top board (34) are positioned at two, base plate (35) adapts with the bottom profile that two front and back wallboards (32) form, two left side plates (33), top board (34) and base plate (35) form board-like frame structure with two front and back wallboards (32), the outside of two left side plates (33) and top board (34) is provided with stiffener (31), stiffener (31) respectively with front and back wallboard (32), two left side plates (33) and top board (34) welding; Be welded with vertical stiffener (351) on the base plate (35), vertical stiffener (351) top is welded with support plate (352), and the last plane of support plate (352) is connected by bolting with lower table (8); Described closing liquid cylinder pressure (1) and toggle link force-increasing mechanism (2) are connected on top board (34) lower surface of frame (3) by bolting respectively; Described guide rail (4) is fixedly connected on the left side plate (33).
6. hydraulic forging press according to claim 5, it is characterized in that: described top board (34) top is provided with cover plate (36), cover plate (36) is welded on stiffener (31) top of top board (34) top, cover plate (36) also welds with two front and back wallboards (32) respectively, cover plate (36) forms the secondary supporting on closing liquid cylinder pressure (1) top to it, and the outline at the outline of cover plate (36) and frame (3) top adapts.
7. hydraulic forging press according to claim 1, it is characterized in that: adopt X type guideway to be slidingly matched between described guide rail (4) and the slide block (6), the guide rail (4) of X type guideway is fixedly connected on respectively on the frame (3) by bolt, and guide rail (4) is positioned at frame (3) both sides.
8. hydraulic forging press according to claim 1, it is characterized in that: described extrusion oil cylinder (5) is located in the abdominal cavity, inside of slide block (6), extrusion oil cylinder (5) is fixedlyed connected with slide block (6), the telescopic moving in the via hole (71) that passes slide block (6) bottom and upper table (7) of extrusion piston bar (51) front end of extrusion oil cylinder (5).
9. according to any described hydraulic forging press of claim in the claim 1~8, it is characterized in that: described lower table (8) below is provided with roof pressure oil cylinder (9), the oil-in of roof pressure oil cylinder (9) is connected with hydraulic system with oil-out, roof pressure oil cylinder (9) and extrusion oil cylinder (5) coaxial line, roof pressure oil cylinder (9) is fixedly connected on by its cylinder body on the lower shoe (31) of frame (3), the telescopic moving in the through hole (81) that lower table (8) middle part is provided with of the piston rod (91) of roof pressure oil cylinder (9) upper end.
10. hydraulic forging press according to claim 9, it is characterized in that: be connected with a side pressure oil cylinder (37) by bolting respectively on two left side plates (33) of described frame (3), the oil-in of side pressure oil cylinder (37) is connected with hydraulic system with oil-out, two side pressure oil cylinders (37) coaxial line is provided with in opposite directions, when upper table (7) when being in lower dead point position, the axis of side pressure oil cylinder (37) is positioned between the last plane of the lower plane of upper table (7) and lower table (8), and the axis of side pressure oil cylinder (37) and lower table (8) are gone up plane parallel.
CN 201020165195 2010-04-21 2010-04-21 Hydraulic forging press CN201823859U (en)

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CN 201020165195 CN201823859U (en) 2010-04-21 2010-04-21 Hydraulic forging press

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CN 201020165195 CN201823859U (en) 2010-04-21 2010-04-21 Hydraulic forging press

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CN201823859U true CN201823859U (en) 2011-05-11

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102615228A (en) * 2012-04-17 2012-08-01 正茂集团有限责任公司 Anchor chain crosspiece hydraulic molding machine and molding method
CN102626764A (en) * 2012-04-17 2012-08-08 正茂集团有限责任公司 Forming forging die for anchor chain crosspiece
CN103538273A (en) * 2013-11-05 2014-01-29 中山市奥美森工业有限公司 Sliding block driving mechanism for cooling fin punching machine
CN103568350A (en) * 2012-08-02 2014-02-12 张华隆 Hydraulic modifying device for double-disk friction press
CN103706747A (en) * 2013-12-27 2014-04-09 荣成金辰机械制造有限公司 Lateral extrusion device for closed die forging
WO2016155689A1 (en) * 2015-03-31 2016-10-06 Hilmar Hubbes Deformation method and press
KR101932980B1 (en) * 2017-05-17 2018-12-27 김기출 knuckle press

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102615228A (en) * 2012-04-17 2012-08-01 正茂集团有限责任公司 Anchor chain crosspiece hydraulic molding machine and molding method
CN102626764A (en) * 2012-04-17 2012-08-08 正茂集团有限责任公司 Forming forging die for anchor chain crosspiece
CN103568350A (en) * 2012-08-02 2014-02-12 张华隆 Hydraulic modifying device for double-disk friction press
CN103568350B (en) * 2012-08-02 2017-05-10 张华隆 Hydraulic modifying device for double-disk friction press
CN103538273A (en) * 2013-11-05 2014-01-29 中山市奥美森工业有限公司 Sliding block driving mechanism for cooling fin punching machine
CN103706747A (en) * 2013-12-27 2014-04-09 荣成金辰机械制造有限公司 Lateral extrusion device for closed die forging
WO2016155689A1 (en) * 2015-03-31 2016-10-06 Hilmar Hubbes Deformation method and press
CN107405852A (en) * 2015-03-31 2017-11-28 希尔马·哈伯斯 Deformation method and press
CN107405852B (en) * 2015-03-31 2020-01-03 希尔马·哈伯斯 Deformation method and press
US10556263B2 (en) 2015-03-31 2020-02-11 Hilmar Hubbes Deformation Method and Press
KR101932980B1 (en) * 2017-05-17 2018-12-27 김기출 knuckle press

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