CN2907942Y - Vertical hydraulic cold extrusion machine - Google Patents
Vertical hydraulic cold extrusion machine Download PDFInfo
- Publication number
- CN2907942Y CN2907942Y CN 200620073254 CN200620073254U CN2907942Y CN 2907942 Y CN2907942 Y CN 2907942Y CN 200620073254 CN200620073254 CN 200620073254 CN 200620073254 U CN200620073254 U CN 200620073254U CN 2907942 Y CN2907942 Y CN 2907942Y
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- oil cylinder
- working plate
- connecting rod
- column
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Abstract
The utility model relates to a vertical type hydraulic cold-extruder which comprises a stander, a working oil cylinder, a hydraulic unit and an electric control circuit. The stander consists of a vertical column, an upper machine bed, a working machine bed and a lower oil cylinder base; wherein, the upper machine bed and the lower oil cylinder base are respectively arranged at the top and bottom of the vertical column, the working machine bed is positioned at the middle part and is sliding joint with being relative to the vertical column. The working oil cylinder whose cylinder rod stretches out upwards is arranged at the lower oil cylinder base. An extruding transmission unit, which consists of a connecting board in the middle and two to four sets of introversion dual-toggle mechanism in circumferential direction, is connected between the working machine bed and the lower oil cylinder base. The cylinder rod is connected with the working machine bed transmission unit through the extruding transmission unit. The utility model is powered by the hydraulic and can drive the working machine bed through the dual-toggle mechanism, which is of low operation cost, compare with the prior cold-extruder, the utility model has an obvious advantage.
Description
Technical field
The utility model relates to the calendering field of mechanical technique, is specifically related to a kind of hydraulic pressure cold extruder.
Background technology
Cold extruder is to drive mould with power by particular organization, pushes non-ferrous metal (as aluminium, the copper) blank of cylinder or disk shape in the cold-extruded mode, blank is squeezed into the processing equipment of cup-shaped or tubular products.The product that cold extruder processes has good, the highly polished characteristics of precision, so it all is widely used in industries such as haberdashery and hardware, household electrical appliances, automobile, fire-fighting equipment, aluminum products.
Traditional cold extruder is to be passed through transmission mechanisms such as crank connecting link fork and slide block by motor, driving mould squeeze job.This traditional cold extruder, vibration is big, and inertia force is strong, hard land, impulse force all acts on the mould, and die life and product precision quality are brought very big influence, and it is not high also to exist extruding force, defectives such as extruding force is stable inadequately, and energy consumption is big, and work noise is big.
Summary of the invention
The utility model provides a kind of vertical hydraulic cold extruder, and purpose is under the situation that does not increase energy consumption, increases extruding force, improve the stationarity of extruding force, and, reduce impact, with service life that prolongs extrusion die and precision and the quality that improves product processing to mould.
For achieving the above object, the technical solution adopted in the utility model is: a kind of vertical hydraulic cold extruder comprises frame, operating cylinder, hydraulic means and electric control circuit; The frame structure that described frame is made up of at least three columns that parallel, upper platen, working plate and following oil cylinder seat, wherein, upper platen and following oil cylinder seat are located at the top and the bottom of at least three root posts respectively, and working plate is positioned at the centre position, and column is slidingly connected relatively; Operating cylinder is located at down on the oil cylinder seat, and its piston rod protrudes upward; Between working plate and following oil cylinder seat, be connected with the extruding transmission mechanism, this mechanism uniform two overlaps and turns over double curved elbow mechanism to the quadruplet and constitute by making progress in middle a plate and week, turn over double curved elbow mechanism in every cover and comprise short connecting rod, bent connecting rod and long connecting rod, the piston rod end of connecting plate and operating cylinder is connected, and the two ends of short connecting rod are hinged with an end of connecting plate and bent connecting rod respectively; Bent connecting rod is " " shape, and an end is hinged on down on the oil cylinder seat, and an end of corner and long connecting rod is hinged; The other end and the working plate of long connecting rod are hinged, are in transmission connection through extruding transmission mechanism and working plate with the piston rod of this operating cylinder.
Related content in the technique scheme is explained as follows:
1, in the such scheme, for energy and the supporting use of various mould, distance between upper platen and the following oil cylinder seat should be adjustable, therefore the syndeton between upper platen and column can be designed to adjustable for height feed screw nut's structure, specific as follows: the position of corresponding upper platen is provided with external thread section on the described column, constitutes screw structure with this; Corresponding each column of described upper platen is provided with through hole, and each column is through in the through hole, and the upper and lower side at upper platen on each column is provided with and the screw mandrel nut engaged, by nut upper platen is fixed the location with this.
2, in the such scheme,, can with leading truck connecting plate be led corresponding to connecting plate one leading truck being set on the oil cylinder seat end face down in order to improve the kinetic stability of extruding transmission mechanism.Guide frame is specific as follows: described leading truck is made up of two to four vertical guide rods and an end plate, and two to four vertical guide rods are upwards uniform in week, and its bottom is connected with following oil cylinder seat, and its top and end plate are connected; Corresponding each vertical guide rod is provided with pilot hole on the described connecting plate, and pilot hole and guide rod wear the guiding that is slidingly matched.
3, in the such scheme, corresponding each column is provided with pilot hole on the described movable mold, and each column is through in each pilot hole and is slidingly matched, and constitutes sliding connection structure between movable mold and column with this.
4, in the such scheme, the table top central authorities of described working plate offer the liftout hole, and corresponding liftout hole is provided with ejector beam below working plate, and the bottom of this ejector beam is supported on down on the oil cylinder seat, and the ejector beam top extends on the table top of working plate through the liftout hole.In general, the ejector beam top should protrude in working plate table top certain altitude, and when the working plate backhaul was extremely the next, top, ejector beam top was stretched in the mould product is ejected discharging.
For the height-adjustable of the outstanding working plate table top of ejector beam, above-mentioned ejector beam can adopt length-adjustable expansion link structure, and concrete preferred construction is as follows: ejector beam is connected and composed up and down by screw thread pair by bar core and cover for seat.When not needing discharging, can make ejector beam not protrude in the table top of working plate with in the ejector beam retraction liftout hole.
5, in the such scheme, described hydraulic means is a prior art, can adopt existing various hydraulic control technology, concrete preferred version is: hydraulic means comprises an oil pump and an electro-hydraulic reversing valve, and the output of oil pump is connected to operating cylinder through electro-hydraulic reversing valve and constitutes hydraulic circuit.The electro-hydraulic reversing valve here specifically can be constituted by three position four-way electromagnetic valve and middle seat.
6, in the such scheme, described electric control circuit also is a prior art, it can be manual control circuit, with hand push button each magnetic valve and Oil pump electrical machinery in the hydraulic means being controlled, also can be the automatic control system that is made of touch-screen, Programmable Logic Controller, drive circuit, oil cylinder stroke transmission mechanism and encoder.
The utility model operation principle is: before the processing, earlier on the working plate table top, counterdie is installed, upper platen is installed patrix on the bottom surface, then open hydraulic means, with hydraulic pressure is power, mainly move upward by a cover by the extruding transmission mechanism drive working plate (being counterdie) that double curved elbow mechanism constitutes, thus the matched moulds extruding, then backhaul, working plate (being counterdie) whereabouts die sinking.
As shown in Figure 4, double curved elbow mechanism 10 motion processes are analyzed as follows: piston rod 8 terminations are to act on (effect is made a concerted effort the F direction shown in arrow among the figure) on the bent connecting rod 12 through connecting plate 9, short connecting rod 11, the pin joint A (flex point of this double curved elbow mechanism just) of 13 of bent connecting rod 12 and long connecting rods to extrapolation, is launched to stretch with long connecting rod 13 to straight bent connecting rod 12 fully.Through known mechanical analysis, I can draw, double curved elbow mechanism 10 has the amplification of tangible power and stroke, and the multiplication factor of the power of double curved elbow mechanism 10 is along with bent connecting rod 12 and the angle that long connecting rod 13 launches constantly increase, when bent connecting rod 12 reaches the moment that expansion is fully stretched with long connecting rod 13, it is maximum that the multiplication factor of its power reaches, and this moment just in time is the moment of extruding, therefore compares with existing cold extruder, under identical energy consumption, produce extruding force and obviously improve.
Because the technique scheme utilization, the utility model compared with prior art has following advantage:
1, because the utility model adopts hydraulic jack to drive, and its extruding force is bigger, more steady, move more evenly, work noise is low, and operating rate also can be adjusted.
2, equally because the utility model adopts hydraulic jack to drive, its action inertia force is little, and is little to the mould impact, thereby prolonged the service life of mould and improved the precision and the quality of product processing.
3, because the utility model drives working plate by hydraulic jack through extruding transmission mechanism (mainly being double curved elbow mechanism), double curved elbow mechanism has the amplification of tangible power, therefore the utility model is with less hydraulic oil cylinder driving, just bigger moment extruding force be can produce, thereby the manufacturing cost and the operation energy consumption of hydraulic system saved.
4,, so have compact conformation, volume is small and exquisite, floor space is little advantage because frame of the present utility model is the vertical frame structure that is made of column, upper platen, working plate and following oil cylinder seat.
Description of drawings
Accompanying drawing 1 is the structural representation one of mechanical part of the present utility model, the figure shows readiness for operation;
Accompanying drawing 2 is the structural representation two of mechanical part of the present utility model, the figure shows squeezed state;
Accompanying drawing 3 is the hydraulic schematic diagram of hydraulic means of the present utility model;
Accompanying drawing 4 is the structural representation of double curved elbow mechanism.
In the above accompanying drawing: 1, frame; 2, operating cylinder; 3, hydraulic means; 4, column; 5, upper platen; 6, working plate; 7, following oil cylinder seat; 8, piston rod; 9, connecting plate; 10, double curved elbow mechanism; 11, short connecting rod; 12, bent connecting rod; 13, long connecting rod; 14, leading truck; 15, vertical guide rod; 16, end plate; 17, liftout hole; 18, nut; 19, oil pump; 20, three position four-way electromagnetic valve; 21, overflow valve; 22, oil pressure gauge; 23, check valve; 24, pedestal; 25, top board; 26, ejector beam; 27, bar core; 28, cover for seat; 29, external thread section; A, pin joint.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further described:
Embodiment: shown in accompanying drawing 1, accompanying drawing 2, a kind of vertical hydraulic cold extruder comprises frame 1, operating cylinder 2, hydraulic means 3 and electric control circuit; The frame structure that described frame 1 is made up of four columns that parallel 4, upper platen 5, working plate 6 and following oil cylinder seat 7, wherein, upper platen 5 and following oil cylinder seat 7 are located at the top and the bottom of four root posts 4 respectively, and working plate 6 is positioned at the centre position; Corresponding each column 4 is provided with pilot hole on the working plate 6, and each column 4 is through in each pilot hole and is slidingly matched.Operating cylinder 2 is located at down on the oil cylinder seat 7, and its piston rod 8 protrudes upward; Between working plate 6 and following oil cylinder seat 7, be connected with the extruding transmission mechanism, this mechanism uniform two overlaps and turns over double curved elbow mechanism 10 to the quadruplet and constitute by making progress in middle a plate 9 and week, turn over double curved elbow mechanism 10 in every cover and comprise short connecting rod 11, bent connecting rod 12 and long connecting rod 13, connecting plate 9 is connected with piston rod 8 terminations of operating cylinder 2, and the two ends of short connecting rod 11 are hinged with an end of connecting plate 9 and bent connecting rod 12 respectively; Bent connecting rod 12 is " " shape, and an end is hinged on down on the oil cylinder seat 7, and an end of corner and long connecting rod 13 is hinged; The other end of long connecting rod 13 and working plate 6 are hinged, are in transmission connection through extruding transmission mechanism and working plate 6 with the piston rod 8 of this operating cylinder 2.
Shown in accompanying drawing 1, accompanying drawing 2, the position of corresponding upper platen 5 is provided with external thread section 29 on the column 4, constitutes screw structure with this; Described upper platen 5 corresponding each column 4 are provided with through hole, each column 4 is through in the through hole, and, be provided with and screw mandrel nut engaged 18 (on four root posts 4 totally eight nuts 18) in the upper and lower side of upper platen 5 on each column 4, by nut 18 upper platen 5 is fixed the location with this, can adjust the position height of upper platen 5 by adjusting nut 18.In order to improve the kinetic stability of extruding transmission mechanism, be provided with leading truck 14 corresponding to connecting plate 9 on oil cylinder seat 7 end faces down, this leading truck 14 is made up of two to four vertical guide rods 15 and an end plate 16, two to four vertical guide rods 15 are upwards uniform in week, its bottom is connected with following oil cylinder seat 7, and its top and end plate 16 are connected; Corresponding each vertical guide rod 15 is provided with pilot hole on the described connecting plate 9, and pilot hole wears the guiding that is slidingly matched with vertical guide rod 15.Discharging for convenience, can offer liftout hole 17 in the table top central authorities of working plate 6, corresponding liftout hole 17 is provided with ejector beam 26 below working plate 6, the bottom of this ejector beam 26 is supported on the end plate 16, and liftout pushes up 26 tops and extends on the table top of working plate 6 through liftout hole 27.Above-mentioned ejector beam 26 is is specifically connected and composed up and down by screw thread pair by bar core 27 and cover for seat 28.
Shown in accompanying drawing 1, accompanying drawing 2, this cold extruder also comprises pedestal 24 and top board 25, and this cold extruder is installed on this pedestal 24; This top board 25 is installed in the top of four root posts 4.
Shown in accompanying drawing 3, hydraulic means 3 comprises an oil pump 19 and an electro-hydraulic reversing valve, and the output of oil pump 19 is connected to operating cylinder 2 through electro-hydraulic reversing valve and constitutes hydraulic circuit, and electro-hydraulic reversing valve is constituted by three position four-way electromagnetic valve 20 and middle seat.Also be provided with check valve 23, overflow valve 21 and oil pressure gauge 22 in this hydraulic circuit.
Claims (6)
1, a kind of vertical hydraulic cold extruder is characterized in that: comprise frame [1], operating cylinder [2], hydraulic means [3] and electric control circuit; The frame structure that described frame [1] is made up of at least three columns that parallel [4], upper platen [5], working plate [6] and following oil cylinder seat [7], wherein, upper platen [5] and following oil cylinder seat [7] are located at the top and the bottom of at least three root posts [4] respectively, working plate [6] is positioned at the centre position, and column [4] is slidingly connected relatively; Operating cylinder [2] is located at down on the oil cylinder seat [7], and its piston rod [8] protrudes upward; Between working plate [6] and following oil cylinder seat [7], be connected with the extruding transmission mechanism, this mechanism uniform two overlaps and turns over double curved elbow mechanism [10] to the quadruplet and constitute by making progress in middle a plate [9] and week, turn over double curved elbow mechanism [10] in every cover and comprise short connecting rod [11], bent connecting rod [12] and long connecting rod [13], connecting plate [9] is connected with piston rod [8] termination of operating cylinder [2], and the two ends of short connecting rod [11] are hinged with an end of connecting plate [9] and bent connecting rod [12] respectively; Bent connecting rod [12] is " " shape, and an end is hinged on down on the oil cylinder seat [7], and an end of corner and long connecting rod [13] is hinged; The other end of long connecting rod [13] and working plate [6] are hinged, are in transmission connection through extruding transmission mechanism and working plate [6] with the piston rod [8] of this operating cylinder [2].
2, vertical hydraulic cold extruder according to claim 1 is characterized in that: the position that described column [4] is gone up corresponding upper platen [5] is provided with external thread section [29], constitutes screw structure with this; Corresponding each column of described upper platen [5] [4] is provided with through hole, and each column [4] is through in the through hole, and the upper and lower side that each column [4] is gone up at upper platen [5] is provided with and screw mandrel nut engaged [18], by nut [18] upper platen [5] is fixed the location with this.
3, vertical hydraulic cold extruder according to claim 1, it is characterized in that: be provided with leading truck [14] corresponding to connecting plate [9] on oil cylinder seat [7] end face under described, this leading truck [14] is made up of two to four vertical guide rods [15] and an end plate [16], two to four vertical guide rods [15] are upwards uniform in week, its bottom is connected with following oil cylinder seat [7], and its top and end plate [16] are connected; Described connecting plate [9] is gone up corresponding each vertical guide rod [15] and is provided with pilot hole, and pilot hole wears the guiding that is slidingly matched with vertical guide rod [15].
4, vertical hydraulic cold extruder according to claim 1, it is characterized in that: described working plate [6] is gone up corresponding each column [4] and is provided with pilot hole, each column [4] is through in each pilot hole and is slidingly matched, and constitutes sliding connection structure between working plate [6] and column [4] with this.
5, vertical hydraulic cold extruder according to claim 1, it is characterized in that: the table top central authorities of described working plate [6] offer liftout hole [17], corresponding liftout hole [17] is provided with ejector beam [26] in working plate [6] below, the bottom of this ejector beam [26] is supported on down on the oil cylinder seat [7], and [26] top, liftout top extends on the table top of working plate [6] through liftout hole [27].
6, vertical hydraulic cold extruder according to claim 5 is characterized in that: described ejector beam [26] is connected and composed up and down by screw thread pair by bar core [27] and cover for seat [28].
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620073254 CN2907942Y (en) | 2006-05-27 | 2006-05-27 | Vertical hydraulic cold extrusion machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620073254 CN2907942Y (en) | 2006-05-27 | 2006-05-27 | Vertical hydraulic cold extrusion machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2907942Y true CN2907942Y (en) | 2007-06-06 |
Family
ID=38127152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620073254 Expired - Fee Related CN2907942Y (en) | 2006-05-27 | 2006-05-27 | Vertical hydraulic cold extrusion machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2907942Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109551044A (en) * | 2019-01-21 | 2019-04-02 | 常州润泽天成液压机械有限公司 | Double acting beam is vertical to move up broaching machine |
-
2006
- 2006-05-27 CN CN 200620073254 patent/CN2907942Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109551044A (en) * | 2019-01-21 | 2019-04-02 | 常州润泽天成液压机械有限公司 | Double acting beam is vertical to move up broaching machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070606 Termination date: 20110527 |