CN106424311A - Application method of punching machine - Google Patents
Application method of punching machine Download PDFInfo
- Publication number
- CN106424311A CN106424311A CN201611208586.6A CN201611208586A CN106424311A CN 106424311 A CN106424311 A CN 106424311A CN 201611208586 A CN201611208586 A CN 201611208586A CN 106424311 A CN106424311 A CN 106424311A
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- Prior art keywords
- punching
- accommodating chamber
- pressure
- chamber
- pressure valve
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C51/00—Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/002—Drive of the tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
- B21D28/34—Perforating tools; Die holders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/16—Heating or cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D55/00—Safety devices protecting the machine or the operator, specially adapted for apparatus or machines dealt with in this subclass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
- B21D28/243—Perforating, i.e. punching holes in profiles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Presses And Accessory Devices Thereof (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The invention discloses an application method of a punching machine, and belongs to the field of punching machines. The application method comprises the following steps that firstly, the initial state of a high-pressure valve and the initial state of a low-pressure valve are the closed state; secondly, a workpiece is arranged on a punching lower die, an oil cylinder is controlled to make a punching upper die and the punching lower die assembled, and the workpiece is punched; thirdly, in the die assembling process, a movable platform moves towards the interior of a containing cavity under the action of pressure, and refrigerant gas in the containing cavity is compressed; fourthly, heat generated in the workpiece punching process is absorbed by a cooling pipe; and fifthly, after the workpiece is punched, the oil cylinder is controlled to make the punching upper die and the punching lower die separated, the refrigerant gas in the cooling pipe enters the containing cavity again, and when the movable platform is ejected to the initial position, a pressure induction device detects that the pressure in the containing cavity recovers the initial state, and the low-pressure valve is controlled to be closed. Providing the application method of the punching machine is the main purpose, the service life of a punch is prolonged, and the punching precision of the punch is improved.
Description
Technical field
A kind of the present invention relates to perforating press field, more particularly, it relates to using method of perforating press.
Background technology
Steel construction processing industry is the basic activity of social and economic development, and steel construction is widely used in large bridge, big
Type industrial premises and the manufacturing of automobile stereo garage, the processing of steel construction (referring mainly to H steel) mainly have the cutting to steel plate,
Welding and boring three road techniques, the cutting of steel plate can be using existing NC flame cutting machine, CUT or laser
Cutting machine is carried out, and the welding of H steel then can be welded using human weld or simple welding robot, and due to H steel tool
Have the characteristics that volume is big, weight big and be inconvenient to move, it punches and has just become one of steel construction processing industry " difficulty is miscellaneous
The drilling method of disease ", typically now employing is to bore boring using Handheld magnetic or use laser cutting machine, CUT
Cut hole, but above-mentioned drilling method has problems with：One is that drilling precision is low；Two is that perforating efficiency is low.
For the problems referred to above, prior art is punched to steel construction using hydraulic piercing press, such as patent publication No.：CN
105562507 A, publication date：On May 11st, 2016, invention and created name is：A kind of new automatic hydraulic piercing press, this Shen
A kind of new automatic hydraulic piercing press please be disclosed case, including frame, on rear side of bottom of the frame, centre is provided with a rear walking wheel, machine
Frame is provided with automatic controller, computation screen, Electric Machine at Pumping Station, hydraulic power unit, left and right horizontal travel mechanism, horizontal shifting
Mechanism and hole punched device.The design of this application case is unique, design is careful, and product automation degree is high, carries out H steel punching using this equipment
Hole operation, not only greatlys save production cost, improves punch work efficiency, and, also fundamentally solve because of H steel body
The punching difficult problem that long-pending big, weight is very much not moved easily and causes.
And for example patent publication No.：CN 203900214 U, publication date：On October 29th, 2014, invention and created name is：One
Plant hydro piercing lathe, this application case discloses a kind of hydro piercing lathe, including by left plate, right plate, cope match-plate pattern, lower mould
The board that plate is constituted, installs a swash plate after board and lower template between, and cope match-plate pattern is the steel plate installing hydraulic cylinder, hydraulic pressure
Cylinder connection impact bar, installation piston guide mechanism on impact bar, left plate and right plate have the shape of trapeze cut, above board
Setting one liquidates platform.This application case becomes board from polylith board making of different shapes, and structure is simple, low cost, particularly
Left plate from the shape being provided with trapeze cut and right plate, using the operation of operator, maintenance cost is low；When board table
When face smooths, can be used to pressing plate, above board setting one overlap with hydraulic cylinder vertical direction liquidate platform when, can be used to
Punching.
But, when carrying out lasting punching using hydraulic piercing press to workpiece in prior art, the temperature of drift and workpiece is anxious
Acute rising, on the one hand leads to drift service life to reduce, and so that workpiece is deformed, and leads to punching precision to reduce.
In sum, how to design a kind of drift service life and the perforating press of punching precision of improving is in prior art
The technical problem of urgent need to resolve.
Content of the invention
1. invent technical problem to be solved
It is an object of the invention to overcoming low not using workpiece deformation and punching precision during existing hydraulic piercing press punching
A kind of foot, there is provided using method of perforating press, improves drift service life and punching precision.
2. technical scheme
For reaching above-mentioned purpose, the technical scheme that the present invention provides is：
The using method of the perforating press of the present invention, comprises the following steps：
Step one, refrigerant gas are packed into receiving intracavity, and the inwall contacting with mobile platform in accommodating chamber is first-class
Spacing arranges the cannelure that several are provided with carbon dam；It is additionally provided with the top being connected with carbon dam in described cannelure
Tight spring, this holds out against spring for carbon dam presses to the lateral surface of mobile platform；It is provided with feeling of stress accommodating intracavity
Answer device, this pressure sensitive device be used for measurement accommodate intracavity pressure, and this pressure sensitive device respectively with high pressure valve, low pressure
Valve connects, and high pressure valve and low pressure valve original state are closure；
Step 2, workpiece is arranged on mould under punching, control cylinder makes mould matched moulds under punch upper die and punching, to work
Part is punched out；
During step 3, matched moulds, mobile platform moves so that accommodating intracavity to receiving intracavity under the effect of the pressure
Refrigerant gas are compressed；
Step 4, when pressure sensitive device detect receiving cavity pressure be more than high pressure marginal value when, control high pressure valve beat
Open, heat release in refrigerant gas first-selected entrance condenser becomes liquid condition, and the cold-producing medium of liquid condition drops through throttling arrangement
Enter after pressure in cooling tube and absorb heat and be evaporated to gaseous state, the cooled pipe of the heat producing in workpiece punch process is absorbed；
Step 5, when workpiece completes punching, control cylinder makes punch upper die separate with mould under punching, now mobile flat
Platform is ejected accommodating chamber in the presence of liftout attachment, and the pressure accommodating intracavity is gradually reduced, when pressure sensitive device detects
When accommodating cavity pressure and being less than low pressure marginal value, then high pressure valve is controlled first to close, open after low pressure valve, the cold-producing medium in cooling tube
Gas reenters receiving intracavity, and when mobile platform is pushed up to initial position, it is intrinsic pressure that pressure sensitive device detects accommodating chamber
Power restPoses, then control low pressure valve to close；
Step 6, repeat the above steps one to step 5, with this reciprocation cycle, complete the lasting punching of workpiece.
As further improvement of the present invention, described perforating press includes frame and the base below frame, described
Oil cylinder is provided with frame, the piston rod of described oil cylinder is fixed with movable plate, the both sides of described movable plate are prolonged downwards respectively
Stretch and have side plate, certain side plate is provided with scale grating, the respective side wall of described frame is provided with and described scale grating phase
The grating reading head of cooperation；Described frame is provided with display screen, and this display screen is connected with described grating reading head；In described frame
Two ends be provided with guide pillar separately down, the two ends on described movable plate be respectively arranged with corresponding guide pillar cooperation guide pin bushing；
On described base, die shoe is installed, described die shoe is provided with cooling body.
As further improvement of the present invention, described cooling body includes mobile platform, accommodating chamber and liftout attachment, institute
State mobile platform to embed described receiving intracavity and can slide up and down in described receiving intracavity, described liftout attachment is used for will be mobile flat
Platform ejects accommodating chamber, and the lateral surface of described mobile platform is used for installing mould under punching；High pressure valve is passed through in the outlet of described accommodating chamber
Connect with condenser, throttling arrangement, cooling tube successively, described cooling tube is passed through low pressure valve again and connected with the import of described accommodating chamber
Logical；
Condenser, throttling arrangement are arranged at the outside of die shoe；Described cooling tube is arranged on the inside of die shoe.
As further improvement of the present invention, condenser, throttling arrangement are arranged on the thermal insulation layer outside die shoe.
As further improvement of the present invention, described thermal insulation layer adopts vacuum insulation panel to make.
As further improvement of the present invention, described liftout attachment is to be arranged at stretching of described accommodating chamber bottom inside
Spring, the fixing end of this coil tension spring is connected in the groove of described accommodating chamber bottom inside, and the free end of coil tension spring connects
On a mobile platform.
As further improvement of the present invention, described cooling tube extends along zigzag shape in the inside of die shoe, and institute
State the lateral surface near die shoe for the cooling tube.
As further improvement of the present invention, described movable plate is fixedly connected below connecting post, and this connecting post lower end is connected
There is installing plate, this installing plate is provided with punch upper die；
The upper end of described base is provided with laser radiation mechanism, and this laser radiation mechanism includes luminous organ and light-receiving device, institute
State the side that luminous organ is located at described base upper end, described light-receiving device is located at the opposite side of described base upper end.
As further improvement of the present invention, described oil cylinder includes master cylinder, and described master cylinder includes cylinder body, sets in this cylinder body
It is equipped with the first chamber accommodating piston rod, described piston rod moves along the length direction of described first chamber；In described piston rod
Be provided with the second chamber accommodating logical beam hanger, one end of described logical beam hanger connects with the first oil-in, the other end of logical beam hanger and
The bottom connection of second chamber；The top of described first chamber is connected with the second oil-in；Described second oil-in has 3～5,
3～5 the second oil-ins are uniformly distributed in the circumference of cylinder body.
As further improvement of the present invention, between the inner surface of the outer surface of described piston rod and described first chamber
It is provided with the first guide pin bushing, between the outer surface of described logical beam hanger and the inner surface of described second chamber, be provided with the second guide pin bushing, and
Described first guide pin bushing and described second guide pin bushing are each attached on described piston rod；The inner surface of described first chamber, described logical oil
The outer surface of bar is provided with ceramic wearing coat；Described first oil-in is connected with pressure charging valve.
3. beneficial effect
The technical scheme being provided using the present invention, compared with prior art, is had the advantages that：
(1) in the present invention, die shoe is provided with cooling body, the hydraulic piercing press of accurate positioning is in matched moulds, mobile
Platform moves to accommodating intracavity, accommodates intracavity and is filled with cold-producing medium, the refrigerant gas of low-temp low-pressure are compressed in receiving intracavity
Become the refrigerant gas of High Temperature High Pressure, when refrigerant gas reach certain pressure, high pressure valve automatically opens up, the system of High Temperature High Pressure
Heat release becomes the liquid of middle temperature high pressure, then the liquid becoming low-temp low-pressure after throttling arrangement blood pressure lowering to refrigerant gas within the condenser
Body, the liquid refrigerant of low-temp low-pressure fully absorbs heat in cooling tube and becomes the gas of low-temp low-pressure after evaporating；Work as accurate positioning
Hydraulic piercing press divide mould, that is, during non-punching state, now mobile platform is ejected accommodating chamber in the presence of liftout attachment, low
Pressure valve automatically opens up, and the refrigerant gas of low-temp low-pressure are again inhaled into receiving intracavity and wait and compressed next time, reciprocal with this
Circulation.Cooling body in the present invention can greatly improve the intensity of cooling of die shoe, even if carry out high intensity to workpiece continuing
During punching, the temperature of drift and workpiece also will not rise, and improves drift service life and punching precision.
Brief description
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, below will be attached to use required in embodiment
Figure is briefly described it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, and it is right to be therefore not construed as
The restriction of scope, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other related accompanying drawings.
Fig. 1 is the structural representation of the hydraulic piercing press of accurate positioning of embodiment 1～4；
Fig. 2 is the structural representation of oil cylinder in embodiment 5～7；
Fig. 3 is the structural representation of die shoe in embodiment 10；
Fig. 4 is the cross section structure diagram of guide pin bushing in embodiment 10.
Label declaration in schematic diagram：
1st, frame；2nd, oil cylinder；201st, cylinder body；202nd, piston rod；2021st, the second oil-in；203rd, lead to beam hanger；2031st,
One oil-in；3rd, movable plate；4th, guide pillar；5th, connecting post；6th, base；6-0, die shoe；6-1, mobile platform；6-2, accommodating chamber；
6-3, high pressure valve；6-4, condenser；6-5, throttling arrangement；6-6, thermal insulation layer；6-7, cooling tube；6-8, low pressure valve；6-9, ejection
Device；7th, installing plate；8th, laser radiation mechanism；9th, display screen.
Specific embodiment
Purpose, technical scheme and advantage for making the embodiment of the present invention are clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described it is clear that described embodiment is
The a part of embodiment of the present invention, rather than whole embodiments.Therefore, below to the embodiments of the invention providing in the accompanying drawings
Detailed description be not intended to limit the scope of claimed invention, but be merely representative of the selected embodiment of the present invention.
Based on the embodiment in the present invention, it is all that those of ordinary skill in the art are obtained under the premise of not making creative work
Other embodiment, broadly falls into the scope of protection of the invention.
For further appreciating that present disclosure, the present invention is described in detail in conjunction with the accompanying drawings and embodiments.
Embodiment 1
With reference to Fig. 1, the hydraulic piercing press of the accurate positioning of the present embodiment, the base including frame 1 with positioned at frame 1 lower section
6, frame 1 is provided with oil cylinder 2, the piston rod 202 of oil cylinder 2 is fixed with movable plate 3, the both sides of movable plate 3 are distinguished downwards
It is extended with side plate, certain side plate is provided with scale grating, the respective side wall of frame 1 is provided with and matches with scale grating
Grating reading head；Frame 1 is provided with display screen 9, and this display screen 9 is connected with grating reading head.
The hydraulic piercing press of most of accurate positioning of the prior art, its punching stroke is controlled by travel switch,
Sometimes need to adjust the punching stroke of perforating press by adjusting travel switch during processing, adjust stroke when
Wait and typically adopt perusal, then specific stroke is determined by multiple examination punching press, the determination of this punching stroke needs
Repeatedly regulation just can complete, very inconvenient, and the control of punching stroke is inaccurate, leads to punching precision low.In the present embodiment,
By using cooperatively of scale grating and grating reading head, it is capable of the displacement of accurate recording piston rod 202, and in display screen 9
On intuitively show, be conducive to accurate control and the determination of punching stroke, improve punching precision.
Embodiment 2
With reference to Fig. 1, the hydraulic piercing press of the accurate positioning of the present embodiment, its structure is substantially the same manner as Example 1, more enters one
Step：Two ends in frame 1 are provided with guide pillar 4 separately down, and the two ends on movable plate 3 are respectively arranged with is joined with corresponding guide pillar 4
The guide pin bushing closing.In the present embodiment, by the cooperation of guide pillar 4 and guide pin bushing, the movement of movable plate 3 can be played with positioning and guiding and make
With so that the Bit andits control more exactly of movable plate 3, being conducive to improving punching precision.
Embodiment 3
With reference to Fig. 1, the hydraulic piercing press of the accurate positioning of the present embodiment, its structure is substantially the same manner as Example 2, more enters one
Step：Movable plate 3 is fixedly connected below connecting post 5, and this connecting post 5 lower end is fixed with installing plate 7, and this installing plate 7 is provided with punching
Kong Shangmo.In the present embodiment, installing plate 7 is set, the punch upper die of different model can be arranged on installing plate 7, expand
The species of punching.
Embodiment 4
With reference to Fig. 1, the hydraulic piercing press of the accurate positioning of the present embodiment, its structure is substantially the same manner as Example 3, more enters one
Step：The upper end of base 6 is provided with laser radiation mechanism 8, and this laser radiation mechanism 8 includes luminous organ and light-receiving device, luminous organ
Positioned at the side of base 6 upper end, light-receiving device is located at the opposite side of base 6 upper end.In the present embodiment, laser radiation mechanism 8 can
Play the effect of security protection, during perforating press work, reach between base 6 upper end luminous organ and light-receiving device when there being any foreign body
During laser radiation region, laser radiation mechanism 8 controls perforating press jerk immediately, can reduce production accident odds.
Embodiment 5
With reference to Fig. 2, the hydraulic piercing press of the accurate positioning of the present embodiment, its structure is substantially the same manner as Example 4, more enters one
Step：In the present embodiment, oil cylinder 2 includes master cylinder, and master cylinder includes cylinder body 201, is provided with receiving piston rod 202 in this cylinder body 201
First chamber, piston rod 202 along first chamber length direction move；It is provided with piston rod 202 and accommodate logical beam hanger 203
Second chamber, one end of logical beam hanger 203 is connected with the first oil-in 2031, the other end of logical beam hanger 203 and the bottom of second chamber
Portion connects；The top of first chamber is connected with the second oil-in 2021.
In prior art, perforating press oil cylinder common problem is that starting time is long, therefore, how to prior art
Middle perforating press oil cylinder improves, and improves the work efficiency when processing workpiece for the perforating press, is urgent need to resolve in prior art
Technical problem.Oil cylinder 2 in the present embodiment, when opening, first to the first oil-in 2031 fuel feeding, can start oil immediately
Cylinder 2 is so that be full of oil in second chamber, to 202 1 less thrusts of piston rod so that piston rod 202 is promoted immediately
Come, greatly shorten the starting time of oil cylinder 2；During piston rod 202 is gradually reduced, the second oil-in 2021 gradually starts to supply
Oil, now the first oil-in 2031 and the second oil-in 2021 simultaneously fuel feeding so that piston rod 202 being capable of rapid decrease；Work as work
When stopper rod 202 is in continuous firing, the first oil-in 2031 fuel cut-off, now rely primarily on the second oil-in 2021 fuel feeding and carry
For power.In the present embodiment, by using cooperatively of the first oil-in 2031 fuel feeding and the second oil-in 2021 fuel feeding, can make
Obtain oil cylinder 2 starting time to greatly shorten【Due to oil cylinder 2 open moment it is impossible to one the time provide a large amount of hydraulic oil, the present embodiment
In first pass through the first oil-in 2031 and be preferentially fed into a small amount of hydraulic oil, shorten oil cylinder 2 starting time】, thus improve punching
The work efficiency when processing workpiece for the machine.
Embodiment 6
With reference to Fig. 2, the hydraulic piercing press of the accurate positioning of the present embodiment, its structure is substantially the same manner as Example 5, more enters one
Step：Second oil-in 2021 has 3～5, and 3～5 the second oil-ins 2021 are uniformly distributed in the circumference of cylinder body 201.
In the present embodiment, 3～5 the second oil-ins 2021 are uniformly distributed in the circumference of cylinder body 201, and hydraulic oil is divided into 3
～5 tunnels evenly into the top of first chamber, can equably promote piston rod 202 so that piston rod 202 movement more
Steadily.
Embodiment 7
With reference to Fig. 2, the hydraulic piercing press of the accurate positioning of the present embodiment, its structure is substantially the same manner as Example 6, more enters one
Step：It is provided with the first guide pin bushing, the outer surface of logical beam hanger 203 between the outer surface of piston rod 202 and the inner surface of first chamber
It is provided with the second guide pin bushing and the inner surface of second chamber between, and the first guide pin bushing and the second guide pin bushing are each attached on piston rod 202.
In the present embodiment, it is provided with the first guide pin bushing between the outer surface of piston rod 202 and the inner surface of first chamber, passes through
First guide pin bushing the movement in first chamber can play outside guide effect to piston rod 202, and because the second guide pin bushing is arranged
Between the outer surface and the inner surface of second chamber of logical beam hanger 203, can be to piston rod 202 in the first chamber by the second guide pin bushing
Inner side guide effect is played in indoor movement【I.e. the second guide pin bushing slides on the outer surface of logical beam hanger 203】, thus greatly improving
The Stability and veracity of piston rod 202 movement.
Embodiment 8
The hydraulic piercing press of the accurate positioning of the present embodiment, its structure is substantially the same manner as Example 7, further：The
The inner surface of one chamber, the outer surface of logical beam hanger 203 are provided with ceramic wearing coat, and the setting of ceramic wearing coat can be effectively slow
Solution is because the first guide pin bushing, the slip of the second guide pin bushing and the frictionally damage that causes are it is ensured that the accuracy of piston rod 202 movement and stable
Property.
Embodiment 9
The hydraulic piercing press of the accurate positioning of the present embodiment, its structure is substantially the same manner as Example 8, further：The
One oil-in 2031 is connected with pressure charging valve, when the setting of pressure charging valve makes oil cylinder 2 just open, preferentially leads to the first oil-in 2031
Enter the hydraulic oil after pressure charging valve supercharging, substantially reduce the time of oil cylinder 2 startup.
Embodiment 10
With reference to Fig. 3～4, the hydraulic piercing press of the accurate positioning of the present embodiment, its structure is substantially the same manner as Example 9, more
Further：Ball, the spiral shell that ball is 15～35 ° in lift angle on the medial surface of guide pin bushing are uniformly provided with the medial surface of guide pin bushing
Spin line shape is distributed, and on guide pin bushing medial surface, any two rows ball is spaced apart on the direction perpendicular to guide pin bushing axis.
In the present embodiment, by the cooperation between guide pillar 4 and guide pin bushing, limit movable plate 3 motion horizontally, prevent from rushing
During hole there is horizontal looseness in drift, improves the precision of punching.Meanwhile, in order to prevent between guide pillar 4 and guide pin bushing due to sliding friction
Wear and tear and produce larger fit clearance, the medial surface of guide pin bushing uniformly installs ball, to reduce the mill between guide pillar 4 and guide pin bushing
Damage amount.
Further, in the present embodiment, the zigzag shape that ball is 15～35 ° in lift angle on the medial surface of guide pin bushing divides
On cloth, and guide pin bushing medial surface, any two rows ball is spaced apart on the direction perpendicular to guide pin bushing axis【Referred to：Lead
Any two rows ball on set medial surface, its projection in the plane perpendicular to guide pin bushing axis, all not in same point】,
Between guide pillar 4 and guide pin bushing during relative motion, between the ball of above-mentioned zigzag shape distribution and guide pillar 4, rolling friction is more equal
Even, substantially reduce the probability that guide pillar 4 occurs horizontal looseness in guide pin bushing, its principle is：Compared to ball in horizontal or vertical direction
The situation of multiple rows of aligned fashion, in the present embodiment the distribution of ball be more beneficial for avoiding because guide pillar 4 surface certain point or certain
One line excessive wear and the situation of larger fit clearance occurs between the guide pillar 4 that leads to and guide pin bushing.
Die shoe 6-0 is provided with base 6, die shoe 6-0 is provided with cooling body；Cooling body includes mobile platform
6-1, accommodating chamber 6-2 and liftout attachment 6-9, mobile platform 6-1 embed accommodating chamber 6-2 in and can in accommodating chamber 6-2 on downslide
OK, liftout attachment 6-9 is used for for mobile platform 6-1 ejecting accommodating chamber 6-2, and the lateral surface of mobile platform 6-1 is used for installing punching
Lower mould；The outlet of accommodating chamber 6-2 is connected with condenser 6-4, throttling arrangement 6-5, cooling tube 6-7 successively by high pressure valve 6-3, cold
But pipe 6-7 passes through the inlet communication of low pressure valve 6-8 and accommodating chamber 6-2 again；
Condenser 6-4, throttling arrangement 6-5 are arranged at the outside of die shoe 6-0；Cooling tube 6-7 is arranged on die shoe 6-0
Inside.
In concrete the present embodiment, die shoe 6-0 is provided with cooling body, the hydraulic piercing press of accurate positioning is on matched moulds
Mould closure under mould, that is, during punching state, mobile platform 6-1 moves into accommodating chamber 6-2, is filled with cold-producing medium in accommodating chamber 6-2
Such as freon, the refrigerant gas of low-temp low-pressure are compressed into the refrigerant gas of High Temperature High Pressure in accommodating chamber 6-2, work as system
When refrigerant gas reach certain pressure, high pressure valve 6-3 automatically opens up, and the refrigerant gas of High Temperature High Pressure are put in condenser 6-4
Heat becomes the liquid of middle temperature high pressure, then becomes the liquid of low-temp low-pressure, the liquid of low-temp low-pressure after throttling arrangement 6-5 blood pressure lowering
Cold-producing medium fully heat absorption in cooling tube 6-7 becomes the gas of low-temp low-pressure after evaporating；When the hydraulic piercing press of accurate positioning divides
Under mould on mould, mould separates, and that is, during non-punching state, now mobile platform 6-1 is ejected receiving in the presence of liftout attachment 6-9
Chamber 6-2, low pressure valve 6-8 automatically opens up, the refrigerant gas of low-temp low-pressure be again inhaled in accommodating chamber 6-2 wait next time by
Compression, with this reciprocation cycle.Cooling body in the present embodiment can greatly improve the intensity of cooling of die shoe 6-0, even if to work
When part carries out the lasting punching of high intensity, the temperature of drift and workpiece also will not rise, and improves drift service life and punching
Precision.
Condenser 6-4, throttling arrangement 6-5 are arranged on the thermal insulation layer 6-6 outside die shoe 6-0, and thermal insulation layer 6-6 adopts
Vacuum insulation panel makes, and vacuum insulation panel is up-to-date heat-barrier material, and the heat conductivity of this material is extremely low, and effect of heat insulation is dashed forward
Go out；Thermal insulation layer 6-6 is it can be avoided that condenser 6-4, throttling arrangement 6-5 are to die shoe 6-0 heat release.
Liftout attachment 6-9 is the coil tension spring being arranged at accommodating chamber 6-2 bottom inside, and the fixing end of this coil tension spring connects
In the groove of accommodating chamber 6-2 bottom inside, the free end of coil tension spring is connected on mobile platform 6-1, and stretch during matched moulds bullet
Spring is compressed in storage potential energy in the groove of accommodating chamber 6-2 bottom inside, and when dividing mould, coil tension spring can quickly will move
Platform 6-1 ejects from accommodating chamber 6-2.
In order to ensure the intensity of die shoe 6-0, cooling tube 6-7 extends along zigzag shape in the inside of die shoe 6-0, and cold
But pipe 6-7 is near the lateral surface of die shoe 6-0 so that the position of cooling tube 6-7 arrangement be not die shoe 6-0 on mainly
Force part, thus improving die shoe 6-0 intensity.【Avoid arranging cooling water pipe in die shoe 6-0 inner hub location, prevent
Only inside die shoe 6-0 under immense pressure fall damage.】
Below schematically the present invention and embodiments thereof are described, this description does not have restricted, institute in accompanying drawing
Show is also one of embodiments of the present invention, and actual structure is not limited thereto.So, if the common skill of this area
Art personnel enlightened by it, in the case of without departing from the invention objective, designs and this technical scheme without creative
Similar frame mode and embodiment, all should belong to protection scope of the present invention.
Claims (10)
1. a kind of using method of perforating press is it is characterised in that comprise the following steps：
Step one, refrigerant gas are packed in accommodating chamber (6-2), and contact with mobile platform (6-1) in accommodating chamber (6-2)
Inwall on spaced set several cannelure of carbon dam is installed；It is additionally provided with and carbon pressurizing in described cannelure
What ring connected holds out against spring, and this holds out against spring for carbon dam presses to the lateral surface of mobile platform (6-1)；In accommodating chamber
(6-2) it is provided with pressure sensitive device in, this pressure sensitive device is used for measuring the pressure in accommodating chamber (6-2), and this pressure
Induction installation is connected with high pressure valve (6-2), low pressure valve (6-8) respectively, and high pressure valve (6-3) and low pressure valve (6-8) original state are equal
For closure；
Step 2, workpiece is arranged on mould under punching, control cylinder (2) makes mould matched moulds under punch upper die and punching, to work
Part is punched out；
During step 3, matched moulds, mobile platform (6-1) moves so that accommodating under the effect of the pressure into accommodating chamber (6-2)
Refrigerant gas in chamber (6-2) are compressed；
Step 4, when pressure sensitive device detects in accommodating chamber (6-2) pressure and is more than high pressure marginal value, control high pressure valve
(6-3) open, heat release in refrigerant gas first-selected entrance condenser (6-4) becomes liquid condition, the cold-producing medium warp of liquid condition
Enter after crossing throttling arrangement (6-5) blood pressure lowering in cooling tube (6-7) and absorb heat and be evaporated to gaseous state, produce in workpiece punching course
Heat be cooled pipe (6-7) absorbed；
Step 5, when workpiece completes punching, control cylinder (2) makes punch upper die separate with mould under punching, now mobile flat
Platform (6-1) is ejected accommodating chamber (6-2) in the presence of liftout attachment (6-9), and the pressure in accommodating chamber (6-2) is gradually reduced,
When pressure sensitive device detects in accommodating chamber (6-2) pressure and is less than low pressure marginal value, then high pressure valve (6-3) is controlled first to close
Close, open after low pressure valve (6-8), the refrigerant gas in cooling tube (6-7) reenter in accommodating chamber (6-2), when mobile flat
When platform (6-1) is arrived initial position by top, pressure sensitive device detects the interior pressure of accommodating chamber (6-2) and restPoses, then control
Low pressure valve (6-8) processed is closed；
Step 6, repeat the above steps one to step 5, with this reciprocation cycle, complete the lasting punching of workpiece.
2. perforating press according to claim 1 and 2 using method it is characterised in that：Described perforating press includes described machine
Frame (1) and the base (6) below frame (1), described frame (1) is provided with oil cylinder (2), the piston of described oil cylinder (2)
Movable plate (3) is fixed with bar (202), the both sides of described movable plate (3) have each extended over side plate downwards, certain side plate is pacified
Equipped with scale grating, the respective side wall of described frame (1) is provided with the grating reading head matching with described scale grating；Institute
State frame (1) and be provided with display screen (9), this display screen (9) is connected with described grating reading head；Two ends on described frame (1)
It is provided with guide pillar (4) separately down, the two ends on described movable plate (3) are respectively arranged with the guide pin bushing coordinating with corresponding guide pillar (4)；
Die shoe (6-0) is provided with described base (6), described die shoe (6-0) is provided with cooling body.
3. perforating press according to claim 2 using method it is characterised in that：Described cooling body includes mobile platform
(6-1), accommodating chamber (6-2) and liftout attachment (6-9), described mobile platform (6-1) embeds in described accommodating chamber (6-2) and can be
Slide up and down in described accommodating chamber (6-2), described liftout attachment (6-9) is used for for mobile platform (6-1) ejecting accommodating chamber (6-
2), the lateral surface of described mobile platform (6-1) is used for installing mould under punching；High pressure valve is passed through in the outlet of described accommodating chamber (6-2)
(6-3) connect with condenser (6-4), throttling arrangement (6-5), cooling tube (6-7) successively, described cooling tube (6-7) is passed through low again
Pressure valve (6-8) and the inlet communication of described accommodating chamber (6-2)；
Condenser (6-4), throttling arrangement (6-5) are arranged at the outside of die shoe (6-0)；Described cooling tube (6-7) is arranged on
The inside of die shoe (6-0).
4. perforating press according to claim 3 using method it is characterised in that：Condenser (6-4), throttling arrangement (6-
5) it is arranged on the thermal insulation layer (6-6) outside die shoe (6-0).
5. perforating press according to claim 4 using method it is characterised in that：Described thermal insulation layer (6-6) adopts vacuum
Thermal insulation board makes.
6. perforating press according to claim 3 using method it is characterised in that：Described liftout attachment (6-9) is setting
In the coil tension spring of described accommodating chamber (6-2) bottom inside, the fixing end of this coil tension spring is connected to described accommodating chamber (6-2) bottom
In groove inside portion, the free end of coil tension spring is connected on mobile platform (6-1).
7. the perforating press according to claim 3-6 any one using method it is characterised in that：Described cooling tube (6-
7) extend along zigzag shape in the inside of die shoe (6-0), and described cooling tube (6-7) is near the lateral surface of die shoe (6-0).
8. the perforating press according to claim 6 or 7 using method it is characterised in that：Described movable plate (3) is fixedly connected below
There is connecting post (5), this connecting post (5) lower end is fixed with installing plate (7), this installing plate is provided with punch upper die on (7)；
The upper end of described base (6) is provided with laser radiation mechanism (8), and this laser radiation mechanism (8) includes luminous organ and light
Device, described luminous organ is located at the side of described base (6) upper end, and described light-receiving device is located at the opposite side of described base (6) upper end.
9. perforating press according to claim 8 using method it is characterised in that：Described oil cylinder (2) includes master cylinder, described
Master cylinder includes cylinder body (201), is provided with the first chamber accommodating piston rod (202), described piston rod in this cylinder body (201)
(202) move along the length direction of described first chamber；It is provided with described piston rod (202) and accommodate the of logical beam hanger (203)
Two chambers, one end of described logical beam hanger (203) is connected with the first oil-in (2031), the other end and second of logical beam hanger (203)
The bottom connection of chamber；The top of described first chamber is connected with the second oil-in (2021)；Described second oil-in (2021)
There are 3～5,3～5 the second oil-ins (2021) are uniformly distributed in the circumference of cylinder body (201).
10. perforating press according to claim 9 using method it is characterised in that：The outer surface of described piston rod (202)
It is provided with the first guide pin bushing, the outer surface of described logical beam hanger (203) and described second chamber and the inner surface of described first chamber between
It is provided with the second guide pin bushing between the inner surface of room, and described first guide pin bushing and described second guide pin bushing are each attached to described piston rod
(202) on；The inner surface of described first chamber, the outer surface of described logical beam hanger (203) are provided with ceramic wearing coat；Described
One oil-in (2031) is connected with pressure charging valve.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611208586.6A CN106424311B (en) | 2016-12-23 | 2016-12-23 | A kind of application method of perforating press |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611208586.6A CN106424311B (en) | 2016-12-23 | 2016-12-23 | A kind of application method of perforating press |
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| Publication Number | Publication Date |
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| CN106424311A true CN106424311A (en) | 2017-02-22 |
| CN106424311B CN106424311B (en) | 2018-10-09 |
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| CN201611208586.6A Active CN106424311B (en) | 2016-12-23 | 2016-12-23 | A kind of application method of perforating press |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106925657A (en) * | 2017-03-09 | 2017-07-07 | 中冶南方工程技术有限公司 | A kind of hole punched device and method for strip rewinding subdivision unit |
| CN108515109A (en) * | 2018-03-30 | 2018-09-11 | 宁波高新区新柯保汽车科技有限公司 | Autobody sheet hole punched device |
| CN109454169A (en) * | 2018-11-17 | 2019-03-12 | 豆群儒 | A kind of staking punch of the punching press with heat sinking function |
| CN114798873A (en) * | 2022-04-26 | 2022-07-29 | 广州蓝方自动化设备有限公司 | High-speed punch forming process for pipe joint and integrated equipment thereof |
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| CN105964799A (en) * | 2016-06-15 | 2016-09-28 | 张萍 | Intelligent stamping die adopting online water-making cooling |
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| JP2007190563A (en) * | 2006-01-17 | 2007-08-02 | Atsuta Seiki Kk | Die |
| CN203170804U (en) * | 2012-12-17 | 2013-09-04 | 运乃建 | Four-head united punching machine |
| CN104923660A (en) * | 2014-03-20 | 2015-09-23 | 宝山钢铁股份有限公司 | Hot stamping die of snakelike cooling water channel type |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106925657A (en) * | 2017-03-09 | 2017-07-07 | 中冶南方工程技术有限公司 | A kind of hole punched device and method for strip rewinding subdivision unit |
| CN108515109A (en) * | 2018-03-30 | 2018-09-11 | 宁波高新区新柯保汽车科技有限公司 | Autobody sheet hole punched device |
| CN109454169A (en) * | 2018-11-17 | 2019-03-12 | 豆群儒 | A kind of staking punch of the punching press with heat sinking function |
| CN114798873A (en) * | 2022-04-26 | 2022-07-29 | 广州蓝方自动化设备有限公司 | High-speed punch forming process for pipe joint and integrated equipment thereof |
| CN114798873B (en) * | 2022-04-26 | 2023-03-07 | 广州蓝方自动化设备有限公司 | High-speed punch forming process for pipe joint and integrated equipment thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106424311B (en) | 2018-10-09 |
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Effective date of registration: 20180725 Address after: 243000 No. 102, Chi Tai Road, bwang Town, bwang District, Ma'anshan, Anhui Applicant after: Anhui Zhongrui Machine Tool Manufacturing Co.,Ltd. Address before: 243000 Dongcheng village, bwang Town, bwang District, Ma'anshan, Anhui Applicant before: MAANSHAN CHUANGCHENG MIDDLE AND SMALL-SIZED ENTERPRISE SERVICE CENTER CO., LTD. |
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