CN108515108B - A kind of multi-hole position industrial aluminum profile hydraulic press - Google Patents

A kind of multi-hole position industrial aluminum profile hydraulic press Download PDF

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Publication number
CN108515108B
CN108515108B CN201810415500.XA CN201810415500A CN108515108B CN 108515108 B CN108515108 B CN 108515108B CN 201810415500 A CN201810415500 A CN 201810415500A CN 108515108 B CN108515108 B CN 108515108B
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China
Prior art keywords
plate
punching
bottom plate
module
unit
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CN201810415500.XA
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CN108515108A (en
Inventor
陈浩
孙亚林
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Shanghai Meike Aluminum Products Co., Ltd.
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Shanghai Meike Aluminum Products Co Ltd
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Priority to CN201810415500.XA priority Critical patent/CN108515108B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D28/00Shaping by press-cutting; Perforating
    • B21D28/24Perforating, i.e. punching holes
    • B21D28/243Perforating, i.e. punching holes in profiles
    • B08B1/30

Abstract

The invention belongs to press technical field, specifically a kind of multi-hole position industrial aluminum profile hydraulic press, including loader, bottom plate, drive module and punching module;Bottom plate side is arranged in loader, and bottom plate is equipped with drive module, and punching module is located at drive module side, and drive module carries out punching press for controlling punching module;Drive module includes driving motor, the first transmission shaft, the first support plate, the first cam, first pulley, second driving shaft, the second support plate, the second cam, the second belt wheel and clutch;Punching module includes No.1 punching unit and No. two punching units.The No.1 punching unit and No. two punching units that the present invention is arranged by punching module can install different types of formed punch, to realize serialization punching press;Brush unit by setting, brushes unit and linked using punching module, the break flour near bottom outlet is pushed, in time removes break flour, avoids having an impact the processing of workpiece.

Description

A kind of multi-hole position industrial aluminum profile hydraulic press
Technical field
The invention belongs to press technical field, specifically a kind of multi-hole position industrial aluminum profile hydraulic press.
Background technique
Punching machine is exactly a punching type press machine.In national product, Sheet Metal Forming Technology due to being processed than tradition machinery for Have and save material and the energy, it is high-efficient, it is not high to operator's technical requirements and by various mold applications can make it is mechanical plus These advantages of the product that work is unable to reach, thus its purposes is more and more extensive.
Punching production is primarily directed to plate.By mold, blanking, punching, molding, drawing, finishing, essence can be made Punching, shaping, riveting and extrusion etc. are widely used in every field.
It is traditional for some metal plate punchings for processing more gauge orifice, more complex profiled holes on same plate The low efficiency of punching machine, and precision is lower;By increasing some automatic feeding systems, ram efficiency can be improved;But certainly In dynamic feeder process, the mobile Shi Huiyu grinding tool of workpiece generates friction, so that plate surface generates scratch.
Also occurs the technical solution of some punching machines in the prior art, such as application No. is in one of 2012102952429 State's patent discloses a kind of NC turret punch machine, including lower capstan head, lower bolster and base, is arranged around the lower capstan head flexible Support rod, the pedestal of the elastic supporting bar are fixed on the base below lower bolster, and top passes through lower bolster, are exposed to down Around capstan head.
The technical solution can be avoided plate surface and generate scratch, but press machine needs to carry out a large amount of workpiece daily Punching press can generate the break flour remained on formed punch and bed die, these tiny break flours are not easy clearly when carrying out punching press to workpiece It removes, if infrequently removing these soft flocks in punching press, soft flocks will be caused to kill in product surface, cause scrapping for workpiece.
Summary of the invention
In order to make up for the deficiencies of the prior art, a kind of multi-hole position industrial aluminum profile hydraulic press proposed by the present invention, passes through The No.1 punching unit and No. two punching units of punching module setting can install different types of formed punch, to realize serialization Punching press;Brush unit by setting, brushes unit and linked using punching module, the break flour near bottom outlet is pushed, in time by powder Bits are removed, and avoid having an impact the processing of workpiece.
The technical solution adopted by the present invention to solve the technical problems is: a kind of multi-hole position industry aluminium profiles of the present invention Material hydraulic press, including loader and bottom plate, loader are the prior art, and non-this programme innovative point, it is not described here in detail, also wraps Include drive module and punching module;Bottom plate side is arranged in the loader, and the bottom plate is equipped with drive module, the stamping die Block is located at drive module side, and drive module carries out punching press for controlling punching module.
The drive module includes driving motor, the first transmission shaft, the first support plate, the first cam, first pulley, second Transmission shaft, the second support plate, the second cam, the second belt wheel and clutch;The driving motor is connected in bottom plate by mounting base On, driving motor shaft is connected to the first transmission shaft by clutch, and the middle part of first transmission shaft, which is equipped with, is mounted on bottom plate On the first support plate, first transmission shaft one end is connected the first cam;The first transmission shaft other end is connected One belt wheel;Second driving shaft is located at the first transmission shaft side in parallel, and the middle part of the second driving shaft, which is equipped with, to be mounted on bottom plate The second support plate, described second driving shaft one end is connected the second cam;The second driving shaft other end is connected second Belt wheel;First pulley is connected with the second belt wheel by driving belt;
The punching module includes No.1 punching unit and No. two punching units;No.1 punching unit and No. two punching units For same mechanism, the first cam is for driving No.1 punching unit, and the second cam is for driving No. two punching units;The No.1 Punching unit includes supporting plate, jumper bar, bottom outlet and brushes unit;The supporting plate is located in the middle part of the first support plate, the sliding of supporting plate one end Jumper bar is installed, described jumper bar one end is equipped with rotary table, the center grafting of rotary table formed punch, No.1 punching unit and No. two punching press lists Member can install different types of formed punch, to realize serialization punching press;Bottom plate below formed punch is equipped with bottom outlet;Described first Support plate end, which is cooperatively connected, brushes unit;It is described to brush unit for removing punching press break flour;
It is described that brush unit include rotor plate, compression bar, connecting rod and slide plate;The rotor plate is rotatably installed in the first support plate On, torsional spring is equipped in rotor plate shaft;The rotor plate bottom connects compression bar;The compression bar passes through bottom plate and and bottom plate It is slidably connected;Described connecting rod one end is slidably mounted in the kidney slot being arranged in the middle part of compression bar, the connecting rod other end rotation connection Slide plate, and torsional spring is set in shaft at this;Compression bar is mobile to be slided for shifting slide plate onto along backplate surface;The slide plate is used for Brush break flour around bottom outlet;Jumper bar moves down, and rotary table squeezes rotor plate, and rotor plate pushes down on compression bar, in the effect of connecting rod Lower skateboard exposes bottom outlet to a Slideslip;After formed punch punching press is complete, rotor plate revolution, under the action of connecting rod, slide plate is returned It moves and pushes the break flour near bottom outlet.
Preferably, float plate is rotatablely installed in the middle part of the rotor plate;Described rotary table one end is equipped with annular air-pocket, the ring Shape air bag is equipped with one group of stomata towards formed punch, and float plate, which squeezes annular air-pocket, can generate air-flow.To justify by float plate The impact force of platform is uniformly distributed, and avoids jumper bar lateral bending, while annular air-pocket is arranged, and is reduced the impact force of shaft and is removed on formed punch The break flour attached.
Preferably, the bottom outlet is surrounded by one group of pressure pin being slidably mounted on bottom plate, is equipped with rolling at the top of the pressure pin Ball, the pressure pin are used to support workpiece, and pressure pin can be pressed into bottom plate by the float plate, and the bottom outlet inner wall is equipped with a circle rubber Cushion rubber, pressure pin side are rotatablely installed ball, and pressure pin is mobile for rubber ring to be squeezed waviness, and rubber ring is extruded stretching And contraction, surface dirt are not easy to attach, and reduce break flour in the attachment of bottom outlet inner wall.Pressure pin is used to play workpiece support, avoids Workpiece surface generates scratch when feeding.
Preferably, the float plate bottom is connected to pressing plate by one group of telescopic rod, and telescopic rod one end ball connects in float plate Bottom;The telescopic rod other end ball connects at the top of pressing plate, and pressing plate pushes workpiece, and pressure pin is pressed into bottom plate.Certainly by height By the multi-connecting-rod mechanism spent, it is able to maintain float plate balance, so that workpiece will not generate excessive lateral sliding when pushing down on It is dynamic, reduce mismachining tolerance.
Preferably, described slide plate one end is equipped with one group of elasticity brush block, and elastic brush block, which squeezes pressure pin, can generate vibration.Slide plate When promotion, pressure pin blocks elastic brush block and bends backward it, when passing through completely, generates vibration, improves the cleaning effect of break flour Fruit.
Preferably, the elastic brush block side is rotatablely installed arcuate oscillating motion plate, is equipped with torsional spring in oscillating deck shaft, swings Plate is swung for concentrating break flour.When elastic brush block passes through pressure pin, vibration is generated, so that oscillating deck is inwardly swung, is convenient for break flour Centralized processing.
Beneficial effects of the present invention are as follows:
1. the present invention is by setting punching module, the No.1 punching unit and No. two punching units of punching module setting can be with Different types of formed punch is installed, to realize serialization punching press;Brush unit by setting, brushes unit and joined using punching module It is dynamic, the break flour near bottom outlet is pushed, in time removes break flour, avoids having an impact the processing of workpiece.
2. the present invention brushes unit by setting, when jumper bar moves down, rotor plate pushes down on compression bar, in the work of connecting rod With lower skateboard to a Slideslip, and expose bottom outlet;After formed punch punching press is complete, rotor plate revolution, under the action of connecting rod, slide plate It moves back and pushes the break flour near bottom outlet, break flour is avoided to impact punching press.
3. the present invention, by setting pressure pin, pressure pin is used to play workpiece support, workpiece surface when feeding is avoided to generate scratch, When pressure pin moves down, rubber ring is squeezed waviness by the ball of pressure pin side, and rubber ring is extruded stretching and contraction, table Face dust is not easy to attach, and reduces break flour in the attachment of bottom outlet inner wall.
4. the present invention on slide plate by being arranged elastic brush block, when slide plate moves back, pressure pin block elastic brush block and make its to After be bent, when elastic brush block is detached from, so that its is generated vibration, while oscillating deck inwardly swung, break flour is concentrated, be convenient for powder The centralized processing of bits.
Detailed description of the invention
The present invention will be further explained below with reference to the attached drawings.
Fig. 1 is structure chart of the invention;
Fig. 2 is main view of the invention;
Fig. 3 is A-A cross-sectional view in Fig. 2;
Fig. 4 is float plate and pressing plate connection figure of the invention;
In figure: loader 1, bottom plate 2, drive module 3, driving motor 31, mounting base 311, the first transmission shaft 32, first Fagging 33, the first cam 34, first pulley 35, second driving shaft 36, the second support plate 37, the second cam 38, the second belt wheel 39, Punching module 4, supporting plate 51, jumper bar 52, rotary table 53, bottom outlet 54, brushes unit 7, rotor plate 71, compression bar at No.1 punching unit 5 72, connecting rod 73, slide plate 74, float plate 75, annular air-pocket 76, pressing plate 77,78, No. two punching units 6 of telescopic rod, pressure pin 8, elasticity Brush block 9, oscillating deck 91, rubber ring 92, ball 93.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below Specific embodiment is closed, the present invention is further explained.
As shown in Figures 1 to 4, a kind of multi-hole position industrial aluminum profile hydraulic press of the present invention, including 1 He of loader Bottom plate 2, loader 1 are the prior art, and non-this programme innovative point, it is not described here in detail, further includes drive module 3 and punching module 4;2 side of bottom plate is arranged in the loader 1, and the bottom plate 2 is equipped with drive module 3, and the punching module 4 is located at drive module 3 sides, drive module 3 carry out punching press for controlling punching module 4.
The drive module 3 includes driving motor 31, the first transmission shaft 32, the first support plate 33, the first cam 34, first Belt wheel 35, second driving shaft 36, the second support plate 37, the second cam 38, the second belt wheel 39 and clutch;The driving motor 31 It being connected on a base plate 2 by mounting base 311,31 shaft of driving motor is connected to the first transmission shaft 32 by clutch, and described the The middle part of one transmission shaft 32 is equipped with installation the first support plate 33 on a base plate 2, and described first transmission shaft, 32 one end is connected the One cam 34;First transmission shaft, 32 other end is connected first pulley 35;Second driving shaft 36 is located at the first transmission in parallel 32 side of axis, the middle part of the second driving shaft 36 are equipped with the second support plate 37 of installation on a base plate 2, the second driving shaft 36 one end are connected the second cam 38;36 other end of second driving shaft is connected the second belt wheel 39;First pulley 35 and Two belt wheels 39 are connected by driving belt;
The punching module 4 includes No.1 punching unit 5 and No. two punching units 6;No.1 punching unit 5 and No. two punching presses Unit 6 is same mechanism, and the first cam 34 is for driving No.1 punching unit 5, and the second cam 38 is for driving No. two punching press lists Member 6;The No.1 punching unit 5 includes supporting plate 51, jumper bar 52, bottom outlet 54 and brushes unit 7;The supporting plate 51 is located at first The middle part of fagging 33,51 one end of supporting plate are slidably installed jumper bar 52, and described 52 one end of jumper bar is equipped with rotary table 53, and the center of rotary table 53 is inserted Then formed punch, No.1 punching unit 5 and No. two punching units 6 can install different types of formed punch, to realize that serialization is rushed Pressure;Bottom plate 2 below formed punch is equipped with bottom outlet 54;First support plate, 33 end, which is cooperatively connected, brushes unit 7;The brush Except unit 7 is for removing punching press break flour;
It is described brush unit 7 include rotor plate 71, compression bar 72, connecting rod 73 and slide plate 74;The rotor plate 71 is rotatablely installed In the first support plate 33, torsional spring is equipped in 71 shaft of rotor plate;71 bottom of rotor plate connects compression bar 72;It is described Compression bar 72 passes through bottom plate 2 and is slidably connected with bottom plate 2;Described 73 one end of connecting rod is slidably mounted on the kidney-shaped being arranged in the middle part of compression bar 72 In slot, 73 other end of connecting rod is rotatablely connected slide plate 74, and torsional spring is arranged in shaft at this;Compression bar 72 is mobile for pushing away It is slided to slide plate 74 along 2 surface of bottom plate;The slide plate 74 is for brushing 54 surrounding break flour of bottom outlet;Jumper bar 52 moves down, rotary table 53 squeeze rotor plate 71, and rotor plate 71 pushes down on compression bar 72, and slide plate 74 is to a Slideslip under the action of connecting rod 73, and makes bottom Expose in hole 54;After formed punch punching press is complete, rotor plate 71 is turned round, and under the action of connecting rod 73, the return of slide plate 74 is simultaneously attached by bottom outlet 54 Close break flour pushes.
As one embodiment of the present invention, float plate 75 is rotatablely installed in the middle part of the rotor plate 71;The rotary table 53 one end are equipped with annular air-pocket 76, and the annular air-pocket 76 is equipped with one group of stomata towards formed punch, and float plate 75 squeezes annular gas Capsule 76 can generate air-flow.By float plate 75 impact force of rotary table 53 is uniformly distributed, avoids 52 lateral bending of jumper bar, set simultaneously Annular air-pocket 76 is set, the impact force of shaft is reduced and removes the break flour attached on formed punch.
As one embodiment of the present invention, the bottom outlet 54 is surrounded by one group of support being slidably installed on a base plate 2 Bar 8 is equipped with spin at the top of the pressure pin 8, and the pressure pin 8 is used to support workpiece, and pressure pin 8 can be pressed into bottom by the float plate 75 In plate 2,54 inner wall of bottom outlet is equipped with a circle rubber ring 92, and 8 side of pressure pin is rotatablely installed ball 93, the rolling of 8 side of pressure pin Pearl is mobile, and for rubber ring 92 to be squeezed waviness, rubber ring 92 is extruded stretching and contraction, and surface dirt is not easy to attach, Reduce break flour in the attachment of 54 inner wall of bottom outlet.Pressure pin 8 is used to play workpiece support, and workpiece surface when feeding is avoided to generate scratch.
As one embodiment of the present invention, 75 bottom of float plate is connected to pressing plate by one group of telescopic rod 78 77,78 one end ball of telescopic rod connects in 75 bottom of float plate;78 other end ball of telescopic rod connects at 77 top of pressing plate, and pressing plate 77 pushes away It starts building part, and pressure pin 8 is pressed into bottom plate 2.By the multi-connecting-rod mechanism of high-freedom degree, it is able to maintain the balance of float plate 75, is made Excessive lateral sliding will not be generated when workpiece pushes down on by, which obtaining, moves, and reduces mismachining tolerance.
As one embodiment of the present invention, described 74 one end of slide plate is equipped with one group of elasticity brush block 9, and elastic brush block 9 squeezes Pressure pressure pin can generate vibration.When slide plate 74 pushes, pressure pin 8 blocks elastic brush block 9 and bends backward it, to pass through completely When, vibration is generated, the cleaning effect of break flour is improved.
As one embodiment of the present invention, 9 side of elasticity brush block is rotatablely installed arcuate oscillating motion plate 91, swings Torsional spring is equipped in 91 shaft of plate, oscillating deck 91 is swung for concentrating break flour.When elastic brush block 9 passes through pressure pin 8, vibration is generated, So that oscillating deck 91 is inwardly swung, break flour is concentrated, convenient for the centralized processing of break flour.
When work, loader 1 pushes workpiece mobile, and clutch engagement loader 1 controls No.1 punching unit 5 and No. two punchings Unit 6 is pressed to carry out press work, No.1 punching unit 5 and No. two punching units 6 are same mechanism, No.1 punching unit 5 and two Number punching unit 6 can install different types of formed punch, to realize serialization punching press;When punching press, jumper bar 52 is moved down, circle Platform 53 squeezes rotor plate 71, and rotor plate 71 pushes down on compression bar 72, and slide plate 74 is to a Slideslip under the action of connecting rod 73, and makes Bottom outlet 54 exposes;It is rotatablely installed float plate 75 in the middle part of rotor plate 71, makes the impact force of rotary table 53 uniform by float plate 75 Distribution, avoids 52 lateral bending of jumper bar, while annular air-pocket 76 is arranged, reduces the impact force of shaft and remove the powder attached on formed punch Bits;When pushing down on, pressure pin 8 can be pressed into bottom plate 2 rotor plate 71 by float plate 75, and pressure pin 8 is used for workpiece support It rises, avoids workpiece surface when feeding from generating scratch, when pressure pin 8 moves down, the ball 93 of 8 side of pressure pin squeezes rubber ring 92 Waviness, rubber ring 92 are extruded stretching and contraction, and surface dirt is not easy to attach, and reduce break flour in the attached of 54 inner wall of bottom outlet ;After formed punch punching press is complete, rotor plate 71 is turned round, and under the action of connecting rod 73, slide plate 74 is moved back;Pressure pin 8 blocks elastic brush block 9 And it is bended backward, when elastic brush block 9 is detached from, it is made to generate vibration, while oscillating deck 91 is inwardly swung, by break flour It concentrates, convenient for the centralized processing of break flour.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should Understand, the present invention is not limited to the above embodiments, and the above embodiments and description only describe originals of the invention Reason, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes and improvements It all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its equivalent circle It is fixed.

Claims (5)

1. a kind of multi-hole position industrial aluminum profile hydraulic press, including loader (1) and bottom plate (2), it is characterised in that: further include driving Dynamic model block (3) and punching module (4);Bottom plate (2) side is arranged in the loader (1), and the bottom plate (2) is equipped with drive module (3), the punching module (4) is located at drive module (3) side, and drive module (3) is rushed for controlling punching module (4) Pressure, wherein
The drive module (3) includes driving motor (31), the first transmission shaft (32), the first support plate (33), the first cam (34), first pulley (35), second driving shaft (36), the second support plate (37), the second cam (38), the second belt wheel (39) and from Clutch;The driving motor (31) is connected on bottom plate (2) by mounting base (311), and driving motor (31) shaft passes through clutch Device is connected to the first transmission shaft (32), and the middle part of first transmission shaft (32) is equipped with the first support being mounted on bottom plate (2) Plate (33), described first transmission shaft (32) one end are connected the first cam (34);First transmission shaft (32) other end is connected First pulley (35);Second driving shaft (36) is located at the first transmission shaft (32) side in parallel, the second driving shaft (36) Middle part is equipped with the second support plate (37) for being mounted on bottom plate (2), and described second driving shaft (36) one end is connected the second cam (38);Second driving shaft (36) other end is connected the second belt wheel (39);First pulley (35) and the second belt wheel (39) are logical Cross driving belt connection;
The punching module (4) includes No.1 punching unit (5) and No. two punching units (6);No.1 punching unit (5) and No. two Punching unit (6) is same mechanism, and the first cam (34) is for driving No.1 punching unit (5), and the second cam (38) is for driving Move No. two punching units (6);The No.1 punching unit (5) includes supporting plate (51), jumper bar (52), bottom outlet (54) and brushes unit (7);The supporting plate (51) is located in the middle part of the first support plate (33), and supporting plate (51) one end is slidably installed jumper bar (52), the punching Bar (52) one end be equipped with rotary table (53), the center grafting of rotary table (53) formed punch;Bottom plate (2) below formed punch is equipped with bottom outlet (54);First support plate (33) end, which is cooperatively connected, brushes unit (7);It is described to brush unit (7) for removing punching press Break flour;
It is described that brush unit (7) include rotor plate (71), compression bar (72), connecting rod (73) and slide plate (74);The rotor plate (71) It is rotatably installed on the first support plate (33), torsional spring is equipped in rotor plate (71) shaft;Rotor plate (71) the bottom contact connects Then compression bar (72);The compression bar (72) passes through bottom plate (2) and is slidably connected with bottom plate (2);Connecting rod (73) one end sliding It is mounted in the kidney slot being arranged in the middle part of compression bar (72), connecting rod (73) other end is rotatablely connected slide plate (74), and at this Locate that torsional spring is arranged in shaft;Compression bar (72) is mobile to be slided for shifting slide plate (74) onto along bottom plate (2) surface;The slide plate (74) is used In brushing bottom outlet (54) surrounding break flour.
2. a kind of multi-hole position industrial aluminum profile hydraulic press according to claim 1, it is characterised in that: the rotor plate (71) middle part is rotatablely installed float plate (75);Described rotary table (53) one end is equipped with annular air-pocket (76), the annular air-pocket (76) it is equipped with one group of stomata towards formed punch, float plate (75), which squeezes annular air-pocket (76), can generate air-flow;
The bottom outlet (54) is surrounded by one group of pressure pin (8) being slidably mounted on bottom plate (2), is equipped at the top of the pressure pin (8) Spin, the pressure pin (8) are used to support workpiece, and pressure pin (8) can be pressed into bottom plate (2) by the float plate (75);The bottom Hole (54) inner wall is equipped with circle rubber ring (92), and pressure pin (8) side is rotatablely installed ball (93), and pressure pin (8) movement is used for will Rubber ring (92) squeezes waviness.
3. a kind of multi-hole position industrial aluminum profile hydraulic press according to claim 2, it is characterised in that: the float plate (75) bottom is connected to pressing plate (77) by one group of telescopic rod (78), and telescopic rod (78) one end ball connects in float plate (75) bottom; Telescopic rod (78) other end ball connects at the top of pressing plate (77), and pressing plate (77) pushes workpiece and pressure pin (8) are pressed into bottom plate (2) It is interior.
4. a kind of multi-hole position industrial aluminum profile hydraulic press according to claim 1, it is characterised in that: the slide plate (74) One end is equipped with one group of elasticity brush block (9), and elasticity brush block (9) can generate vibration when elastic brush block (9) passes through pressure pin (8).
5. a kind of multi-hole position industrial aluminum profile hydraulic press according to claim 4, it is characterised in that: the elasticity brush block (9) side is rotatablely installed arcuate oscillating motion plate (91), and torsional spring is equipped in oscillating deck (91) shaft, and oscillating deck (91) is swung for making Break flour is concentrated.
CN201810415500.XA 2018-05-03 2018-05-03 A kind of multi-hole position industrial aluminum profile hydraulic press Active CN108515108B (en)

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Publication number Priority date Publication date Assignee Title
CN111872196A (en) * 2020-07-13 2020-11-03 尹强强 Multi-hole-position industrial aluminum profile hydraulic punch
CN111842598A (en) * 2020-07-21 2020-10-30 王松 Blank pressing sheet metal part machining system
CN111842599A (en) * 2020-07-21 2020-10-30 王松 Method for processing blank-pressing sheet metal part
CN112059004B (en) * 2020-08-31 2021-04-09 合肥宏立制冷科技有限公司 Aluminum veneer hollow structure blanking processing method

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