CN2910544Y - Hydraulic punch press - Google Patents

Hydraulic punch press Download PDF

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Publication number
CN2910544Y
CN2910544Y CN 200620071105 CN200620071105U CN2910544Y CN 2910544 Y CN2910544 Y CN 2910544Y CN 200620071105 CN200620071105 CN 200620071105 CN 200620071105 U CN200620071105 U CN 200620071105U CN 2910544 Y CN2910544 Y CN 2910544Y
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CN
China
Prior art keywords
connecting rod
hydraulic
top board
movable mold
operating cylinder
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN 200620071105
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Chinese (zh)
Inventor
吴秋良
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SUZHOU JIADA CNC STRETCHING MACHINERY CO Ltd
Original Assignee
SUZHOU JIADA CNC STRETCHING MACHINERY CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
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Application filed by SUZHOU JIADA CNC STRETCHING MACHINERY CO Ltd filed Critical SUZHOU JIADA CNC STRETCHING MACHINERY CO Ltd
Priority to CN 200620071105 priority Critical patent/CN2910544Y/en
Application granted granted Critical
Publication of CN2910544Y publication Critical patent/CN2910544Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

A hydraulic punch press comprises a framework, an operating cylinder, hydraulic punch apparatus and a electric control circuit, and is characterized in that the framework comprises a column, a top board, a movable bedplate and a working bedplate, wherein, the top board and the working bedplate are respectively fixed onto to the top and the bottom of the column, and the movable bedplate is arranged in the middle and connected with the column in a sliding way. A punch press drive apparatus is connected between the top board and the movable bedplate. The punch press drive consists of a connecting board and an inversion double toggle mechanism, each set of which comprises a short connecting rod, a curved connecting rod and a long connecting rod. The fixed connection is adopted for connection between the connecting board and the operating cylinder. One end of the short connecting rod is in swing jointed with one end of the connecting board, with the other in swing joint with one end of the curved connecting rod. The curved connecting rod is in the shape of right-angle, with one end and the curved site being in respectively swing joint with the top board and one end of the long connecting rod, the other end of which the curved site is in swing joint with the movable bedplate. The utility model adopts the double toggle mechanism, so the working speed is raised and the power consumption is decreased, with significant advantage compared with the present hydraulic punch press.

Description

Hydraulic press
Technical field
The utility model relates to field of machining, is specifically related to a kind of hydraulic press, and this punch press can be finished punching press, bending, the flanging to plastic material, to moulding, blanking, the impression of plate parts, to the compacting of pulverulent product, parts is press-fited etc.
Background technology
Traditional mechanical press is to pass through transmission device by motor, drives flywheel and the eccentric wheel coaxial with it, and eccentric wheel is connected with upper trimming die through connecting rod again, during work is to utilize eccentric rotation, drives upper trimming die and pumps, and realizes the punch die operation.This traditional mechanical machine tool, 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, have also that work noise is big, unstable an or the like defective of surge.
Hydraulic press is compared with above-mentioned mechanical press, and remarkable advantages is arranged, it have pressure steadily, action evenly, impulsive force is little, work noise is low, operating rate such as can adjust at advantage, is advanced at present a kind of pressworking equipment.Present hydraulic press, mainly constitute by operating cylinder, movable mold, working plate, hydraulic means and electric control circuit, its movable mold directly is connected with the piston rod of operating cylinder, during work, on the movable mold bottom surface, install punch die, punch die down is installed on the working plate, is directly driven movable mold again and pump, finish continuous punch process with hydraulic system.This hydraulic press because of being that upward movable mold is reciprocating by the direct drive of hydraulic jack, exists the defective that operating rate is slow, energy consumption is high.
Summary of the invention
The utility model provides a kind of hydraulic press, and purpose one is the quickening operating rate, enhances productivity, and the 2nd, cut down the consumption of energy.
For achieving the above object, the technical solution adopted in the utility model is: a kind of hydraulic press 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 and top board, movable mold, working plate, wherein, top board and working plate are separately fixed at the top and the bottom of at least three root posts, and movable mold is positioned at the centre position, and column is slidingly connected relatively; Operating cylinder is fixed on the top board, and its piston rod stretches out downwards; Between top board and movable mold, be connected with the punching press transmission mechanism, this punching press transmission 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, 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, one end is hinged on the top board, one end of corner and long connecting rod is hinged, the other end and the movable mold of long connecting rod are hinged, are in transmission connection through punching press transmission mechanism and movable mold with the piston rod of this operating cylinder.
Related content in the technique scheme is explained as follows:
1, in the such scheme,, can on the top board bottom surface, one leading truck be set, connecting plate be led with leading truck corresponding to connecting plate in order to improve the kinetic stability of punching press 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 top and top board are connected, 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.
2, in the such scheme, this punch press also comprises a pedestal, and working plate is located on this pedestal.
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.
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 design principle is: the utility model is provided with the punching press transmission mechanism that a cover mainly is made of double curved elbow mechanism between the piston rod end of operating cylinder and movable mold, during work, hydraulic jack drives movable mold through the punching press transmission mechanism and pumps.
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 obvious soil fertility 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 bent connecting rod 12 just in time is the moment of punching press with the moment that long connecting rod 13 launches to stretch fully, therefore compare with existing hydraulic press, (be identical energy consumption under) under the identical hydraulic jack drive condition, produce stamping press and obviously improve.
Because the technique scheme utilization, the utility model compared with prior art has following advantage:
1, because being piston rod by operating cylinder, the utility model drives movable mold through punching press transmission mechanism (mainly being double curved elbow mechanism), double curved elbow mechanism has the amplification of obvious soil fertility and stroke, therefore operating rate of the present utility model obviously improves, and can be with less hydraulic oil cylinder driving, produce bigger instantaneous stamping power, thereby reduce the manufacturing cost and the operation energy consumption of hydraulic system.
2,, therefore have compact conformation, the small and exquisite advantage of volume because frame of the present utility model is the tower structure that is made of column, top board, movable mold and working plate.
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 the punching press state;
Accompanying drawing 3 is the hydraulic schematic diagram of hydraulic means of the present utility model;
Accompanying drawing 4 is the structure enlarged diagram of double curved elbow mechanism.
In the above accompanying drawing: 1, frame; 2, operating cylinder; 3, hydraulic means; 4, column; 5, top board; 6, movable mold; 7, working plate; 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, pilot hole; 18, pilot hole; 19, oil pump; 20, three position four-way electromagnetic valve; 21, overflow valve; 22, oil pressure gauge; 23, check valve; 24, pedestal; A, pin joint.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further described:
Embodiment: referring to accompanying drawing 1, shown in the accompanying drawing 2, a kind of hydraulic press, by frame 1, operating cylinder 2, hydraulic means 3 and electric control circuit constitute, described frame 1 is by four vertical columns 4 and top board 5, movable mold 6, the frame structure that working plate 7 is formed, wherein, top board 5, movable mold 6, working plate 7 parallels, top board 5 and working plate 7 are separately fixed at the top and the bottom of four root posts 4, movable mold 6 is positioned at the centre position, corresponding each column 4 is provided with pilot hole 18 on it, each column 4 is through in each pilot hole 18 and is slidingly matched, and constitutes with this to be slidingly connected; Operating cylinder 2 is fixed on the top board 5, and its piston rod 8 stretches out downwards; Between top board 5 and movable mold 6, be connected with the punching press transmission mechanism, this punching press transmission mechanism constitutes by turning over double curved elbow mechanism 10 in the middle a plate 9 and the uniform quadruplet that makes progress in 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, 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, one end is hinged on the top board 5, one end of corner and long connecting rod 13 is hinged, the other end of long connecting rod 13 and movable mold 6 are hinged, are in transmission connection through punching press transmission mechanism and movable mold 6 with the piston rod 8 of this operating cylinder 2.
Top board is provided with leading truck 14 corresponding to connecting plate 9 on 5 bottom surfaces, and this leading truck 14 is made up of two vertical guide rods 15 and an end plate 16, and two to four vertical guide rods 15 are upwards uniform in week, and its top and top board 5 are connected, and its top and end plate 16 are connected; Corresponding each vertical guide rod 15 is provided with pilot hole 17 on the described connecting plate 9, and pilot hole 17 wears the guiding that is slidingly matched with vertical guide rod 15.
This punch press also comprises a pedestal 24, and working plate 7 is located on this pedestal 24, supports whole frame 1 with pedestal 24.
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.
The foregoing description only is explanation technical conceive of the present utility model and characteristics, and its purpose is to allow the personage who is familiar with this technology can understand content of the present utility model and enforcement according to this, can not limit protection domain of the present utility model with this.All equivalences of doing according to the utility model spirit essence change or modify, and all should be encompassed within the protection domain of the present utility model.

Claims (6)

1, a kind of hydraulic press, comprise frame [1], operating cylinder [2], hydraulic means [3] and electric control circuit, it is characterized in that: the frame structure that described frame [1] is made up of at least three columns that parallel [4] and top board [5], movable mold [6], working plate [7], wherein, top board [5] and working plate [7] are separately fixed at the top and the bottom of at least three root posts [4], movable mold [6] is positioned at the centre position, and column [4] is slidingly connected relatively; Operating cylinder [2] is fixed on the top board [5], and its piston rod [8] stretches out downwards; Between top board [5] and movable mold [6], be connected with the punching press transmission mechanism, this punching press transmission 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], 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, one end is hinged on the top board [5], one end of corner and long connecting rod [13] is hinged, the other end of long connecting rod [13] and movable mold [6] are hinged, are in transmission connection through punching press transmission mechanism and movable mold [6] with the piston rod [8] of this operating cylinder [2].
2, hydraulic press according to claim 1, it is characterized in that: described top board [5] is provided with leading truck [14] corresponding to connecting plate [9] on the bottom surface, 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 top and top board [5] are connected, 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 [17], and pilot hole [17] wears the guiding that is slidingly matched with vertical guide rod [15].
3, hydraulic press according to claim 1 is characterized in that: this punch press also comprises a pedestal [24], and working plate [7] is located on this pedestal [24].
4, hydraulic press according to claim 1, it is characterized in that: described movable mold [6] goes up corresponding each column [4] and is provided with pilot hole [18], each column [4] is through in each pilot hole [18] and is slidingly matched, and constitutes sliding connection structure between movable mold [6] and column [4] with this.
5, hydraulic press according to claim 1 is characterized in that: described 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.
6, hydraulic press according to claim 5 is characterized in that: described electro-hydraulic reversing valve is constituted by three position four-way electromagnetic valve [20] and middle seat.
CN 200620071105 2006-04-29 2006-04-29 Hydraulic punch press Expired - Fee Related CN2910544Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200620071105 CN2910544Y (en) 2006-04-29 2006-04-29 Hydraulic punch press

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200620071105 CN2910544Y (en) 2006-04-29 2006-04-29 Hydraulic punch press

Publications (1)

Publication Number Publication Date
CN2910544Y true CN2910544Y (en) 2007-06-13

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101788042A (en) * 2010-02-10 2010-07-28 华中科技大学 Symmetrical toggle rod pressure transmission mechanism
CN105082593A (en) * 2015-09-07 2015-11-25 一重集团大连设计研究院有限公司 Mechanical multi-connecting-rod servo press driven through hydraulic cylinder
CN106217833A (en) * 2016-08-22 2016-12-14 昆山中德利机械科技有限公司 A kind of cut assembly for plastic thermal molding equipment
CN106734484A (en) * 2016-12-06 2017-05-31 东莞市得力仕机械科技有限公司 One kind stretching hydraulic press
CN109159444A (en) * 2018-10-18 2019-01-08 遂昌力源机械制造有限公司 A kind of hydraulic driven fin punch machine
CN109702029A (en) * 2019-02-27 2019-05-03 河南科技大学 Wheel hub forming device and its supercharging mechanism
CN112916809A (en) * 2021-01-27 2021-06-08 浙江旺盛动力机电有限公司 Pouring system for cabin castings

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101788042A (en) * 2010-02-10 2010-07-28 华中科技大学 Symmetrical toggle rod pressure transmission mechanism
CN105082593A (en) * 2015-09-07 2015-11-25 一重集团大连设计研究院有限公司 Mechanical multi-connecting-rod servo press driven through hydraulic cylinder
CN105082593B (en) * 2015-09-07 2016-11-30 一重集团大连设计研究院有限公司 Driven by Hydraulic Cylinder machinery multi-connecting rod servo press machine
CN106217833A (en) * 2016-08-22 2016-12-14 昆山中德利机械科技有限公司 A kind of cut assembly for plastic thermal molding equipment
CN106734484A (en) * 2016-12-06 2017-05-31 东莞市得力仕机械科技有限公司 One kind stretching hydraulic press
CN106734484B (en) * 2016-12-06 2019-06-11 东莞市得力仕机械科技有限公司 Stretching oil press
CN109159444A (en) * 2018-10-18 2019-01-08 遂昌力源机械制造有限公司 A kind of hydraulic driven fin punch machine
CN109702029A (en) * 2019-02-27 2019-05-03 河南科技大学 Wheel hub forming device and its supercharging mechanism
CN112916809A (en) * 2021-01-27 2021-06-08 浙江旺盛动力机电有限公司 Pouring system for cabin castings

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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: 20070613

Termination date: 20110429