CN106424311B - A kind of application method of perforating press - Google Patents
A kind of application method of perforating press Download PDFInfo
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- CN106424311B CN106424311B CN201611208586.6A CN201611208586A CN106424311B CN 106424311 B CN106424311 B CN 106424311B CN 201611208586 A CN201611208586 A CN 201611208586A CN 106424311 B CN106424311 B CN 106424311B
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- Prior art keywords
- accommodating chamber
- lower die
- chamber
- punching
- perforating press
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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 a kind of application methods of perforating press, belong to perforating press field.The present invention includes the following steps：Step 1: high pressure valve and low pressure valve original state are to be closed；Step 2: workpiece is mounted in punching lower die, control cylinder makes punch upper die and punching lower die mold, and is punched out to workpiece；Step 3: mobile platform is moved into accommodating chamber under the effect of the pressure in clamping process so that the refrigerant gas in accommodating chamber is compressed；Step 4: the heat generated in workpiece punch process is cooled, pipe is absorbed；Step 5: when workpiece completes punching, control cylinder makes punch upper die and punching lower die detach, refrigerant gas in cooling tube reenters in accommodating chamber, when mobile platform arrives initial position by top, pressure sensitive device detects that accommodating cavity pressure restPoses, then controls low pressure valve closing.The main application of the present invention is to provide a kind of application method of perforating press, improves punch service life and punching precision.
Description
Technical field
The present invention relates to perforating press fields, more specifically to a kind of application 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
The manufacturing of type industrial premises and automobile stereo garage, the processing of steel construction (referring mainly to H steel) mainly have cutting to steel plate,
Three techniques of welding and drilling, the cutting of steel plate can use existing NC flame cutting machine, plasma cutting machine or laser
Cutting machine carries out, and the welding of H steel can then use human weld or simple welding robot to weld, and since H steel has
Have volume is big, weight greatly without being moved easily the characteristics of, just at one in steel construction processing industry, " difficulty is miscellaneous for punching
Disease ", the drilling method typically now used are using Handheld magnetic drilling or using laser cutting machine, plasma cutting machine
Hole is cut, but above-mentioned drilling method has the following problems：First, drilling precision is low；Second is that perforating efficiency is low.
In view of the above-mentioned problems, the prior art punches steel construction using hydraulic piercing press, such as patent publication No.：CN
105562507 A, publication date：On May 11st, 2016, invention and created name are：A kind of new automatic hydraulic piercing press, the Shen
Please case a kind of new automatic hydraulic piercing press, including rack disclosed, it is intermediate on rear side of bottom of the frame to set that there are one rear walking wheel, machines
Frame is equipped with automatic controller, computation screen, Electric Machine at Pumping Station, hydraulic power unit, left and right horizontal mobile mechanism, horizontal shifting
Mechanism and hole punched device.This application design is unique, design is careful, and product automation degree is high, and H steel punchings are carried out using the equipment
Hole operation, is not only greatly saved production cost, improves punch work efficiency, moreover, also fundamentally solving because of H steel bodies
Product is big, weight is very much not moved easily and caused by punch difficult problem.
For another example patent publication No.：203900214 U of CN, publication date：On October 29th, 2014, invention and created name are：One
Kind hydro piercing lathe, this application discloses a kind of hydro piercing lathes, including by left plate, right plate, cope plate, lower die
The board that plate is constituted, installs an inclined plate behind board between lower template, and cope plate is the steel plate for installing hydraulic cylinder, hydraulic pressure
Cylinder connects impact bar, installation piston guide mechanism on impact bar, and left plate and right plate have a shape of trapeze cut, above board
Setting one liquidates platform.This application selects polylith board making of different shapes at board, simple in structure, at low cost, especially
The left plate and right plate of the shape equipped with trapeze cut are selected, using the operation of operating personnel, maintenance cost is low；When board table
When face is smooth, can be used for pressing plate, above board be arranged one overlapped with hydraulic cylinder vertical direction liquidate platform when, can be used for
Punching.
But when using hydraulic piercing press continue punching to workpiece in the prior art, the temperature of punch and workpiece is anxious
Play rises, and on the one hand leads to the reduction of punch service life, is on the other hand easy so that workpiece deformation, leads to the reduction of punching precision.
In conclusion how to design a kind of raising punch service life and the perforating press of punching precision is in the prior art
The technical issues of urgent need to resolve.
Invention content
1. technical problems to be solved by the inivention
It is low not using workpiece deformation and punching precision when existing hydraulic piercing press punching it is an object of the invention to overcome
Foot, provides a kind of application method of perforating press, improves punch service life and punching precision.
2. technical solution
In order to achieve the above objectives, technical solution provided by the invention is：
The application method of the perforating press of the present invention, includes the following steps：
Step 1: refrigerant gas is packed into accommodating chamber, and it is first-class in the inner wall that accommodating chamber is contacted with mobile platform
Several annular grooves for being equipped with carbon dam are arranged in spacing；The top being connect with carbon dam is additionally provided in the annular groove
Tight spring, this holds out against lateral surface of the spring for carbon dam to be pressed to mobile platform；Feeling of stress is provided in accommodating chamber
Answer device, which is used to measure pressure in accommodating chamber, and the pressure sensitive device respectively with high pressure valve, low pressure
Valve connects, and high pressure valve and low pressure valve original state are to be closed；
Step 2: workpiece is mounted in punching lower die, control cylinder makes punch upper die and punching lower die mold, to work
Part is punched out；
Step 3: mobile platform is moved into accommodating chamber under the effect of the pressure in clamping process so that in accommodating chamber
Refrigerant gas is compressed；
Step 4: when pressure sensitive device detects that accommodating cavity pressure is more than high pressure critical value, control high pressure valve is beaten
It opens, refrigerant gas first choice enters heat release in condenser and becomes liquid condition, and the refrigerant of liquid condition is dropped by throttling set
Enter after pressure and gaseous state is absorbed heat and be evaporated in cooling tube, the cooled pipe of the heat generated in workpiece punch process is absorbed；
Step 5: when workpiece completes punching, control cylinder makes punch upper die and punching lower die detach, mobile at this time flat
Platform is ejected accommodating chamber under the action of liftout attachment, and the pressure in accommodating chamber is gradually reduced, when pressure sensitive device detects
When accommodating cavity pressure less than low pressure critical value, then controls high pressure valve and first close, opened after low pressure valve, the refrigerant in cooling tube
Gas reenters in accommodating chamber, and when mobile platform arrives initial position by top, pressure sensitive device detects accommodating chamber internal pressure
Power restPoses, then controls low pressure valve closing；
Step 6: repeat the above steps one completes the lasting punching of workpiece to step 5 with this reciprocation cycle.
As further improvement of the present invention, the perforating press includes rack and the pedestal below rack, described
Oil cylinder is installed in rack, movable plate is fixed on the piston rod of the oil cylinder, the both sides of the movable plate are prolonged downwards respectively
Stretching has side plate, and scale grating is equipped on certain side plate, is provided on the correspondence side wall of the rack and the scale grating phase
The grating reading head of cooperation；The rack is equipped with display screen, which connect with the grating reading head；In the rack
Both ends be provided with guide post separately down, the both ends on the movable plate are respectively arranged with the guide sleeve coordinated with corresponding guide post；
Lower die holder is installed on the pedestal, cooling body is installed on the lower die holder.
As further improvement of the present invention, the cooling body includes mobile platform, accommodating chamber and liftout attachment, institute
It states mobile platform to be embedded in the accommodating chamber and can up and down slide in the accommodating chamber, the liftout attachment is flat for that will move
Platform ejects accommodating chamber, and the lateral surface of the mobile platform is for installing punching lower die；The outlet of the accommodating chamber passes through high pressure valve
It is connected to successively with condenser, throttling set, cooling tube, the cooling tube is connected by the import of low pressure valve and the accommodating chamber again
It is logical；
Condenser, throttling set are arranged at the outside of lower die holder；The cooling tube is arranged in the inside of lower die holder.
As further improvement of the present invention, condenser, throttling set are arranged on the thermal insulation layer on the outside of lower die holder.
As further improvement of the present invention, the thermal insulation layer is made of vacuum insulation panel.
As further improvement of the present invention, the liftout attachment is to be set to stretching for the accommodating chamber bottom inside
The fixing end of spring, the adjustable spring is connected in the groove of the accommodating chamber bottom inside, the free end connection of adjustable spring
On a mobile platform.
As further improvement of the present invention, the cooling tube extends in the inside of lower die holder along zigzag shape, and institute
State lateral surface of the cooling tube close to lower die holder.
As further improvement of the present invention, the movable plate is fixedly connected below connecting pole, which is connected
There is mounting plate, punch upper die is installed on the mounting plate；
The upper end of the pedestal is equipped with laser radiation mechanism, which includes photophore and light-receiving device, institute
The side that photophore is located at the pedestal upper end is stated, the light-receiving device is located at the other side of the pedestal upper end.
As further improvement of the present invention, the oil cylinder includes master cylinder, and the master cylinder includes cylinder body, is set in the cylinder body
It is equipped with the first chamber for accommodating piston rod, the piston rod is moved along the length direction of the first chamber；In the piston rod
Be provided with the second chamber for accommodating and leading to beam hanger, one end of the logical beam hanger be connected to the first oil inlet, the other end of logical beam hanger and
The bottom of second chamber is connected to；The top of the first chamber is connected to the second oil inlet；Second oil inlet has 3~5,
3~5 the second oil inlets are uniformly distributed in the circumferential direction of cylinder body.
As further improvement of the present invention, between the outer surface of the piston rod and the inner surface of the first chamber
It is provided with the first guide sleeve, the second guide sleeve is provided between the outer surface and the inner surface of the second chamber of the logical beam hanger, and
First guide sleeve and second guide sleeve are each attached on the piston rod；The inner surface of the first chamber, the logical oil
The outer surface of bar is both provided with ceramic wearing coat；First oil inlet is connect with pressure charging valve.
3. advantageous effect
Using technical solution provided by the invention, compared with prior art, have the advantages that：
(1) in the present invention, cooling body is installed on lower die holder, the hydraulic piercing press of accurate positioning is mobile in molding
Platform is moved into accommodating chamber, and refrigerant is filled in accommodating chamber, and the refrigerant gas of low-temp low-pressure is compressed in accommodating chamber
At the refrigerant gas of high temperature and pressure, when refrigerant gas reaches certain pressure, high pressure valve automatically opens, the system of high temperature and pressure
Heat release becomes the liquid of medium temperature high pressure to refrigerant gas within the condenser, becomes the liquid of low-temp low-pressure after being depressured using throttling set
Body, fully heat absorption becomes the gas of low-temp low-pressure to the liquid refrigerant of low-temp low-pressure after evaporating in cooling tube；Work as accurate positioning
Hydraulic piercing press when dividing mould, i.e. non-punching state, mobile platform is ejected accommodating chamber under the action of liftout attachment at this time, low
Pressure valve automatically opens, and the refrigerant gas of low-temp low-pressure is inhaled into wait in accommodating chamber again to be compressed next time, reciprocal with this
Cycle.Cooling body in the present invention can greatly improve the intensity of cooling of lower die holder, continue even if carrying out high intensity to workpiece
When punching, the temperature of punch and workpiece will not rise, and improve punch service life and punching precision.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the structural schematic diagram of the hydraulic piercing press of the accurate positioning of Examples 1 to 4；
Fig. 2 is the structural schematic diagram of oil cylinder in embodiment 5~7；
Fig. 3 is the structural schematic diagram of lower die holder in embodiment 10；
Fig. 4 is the schematic cross-sectional view of guide sleeve in embodiment 10.
Label declaration in schematic diagram：
1, rack；2, oil cylinder；201, cylinder body；202, piston rod；2021, the second oil inlet；203, lead to beam hanger；2031,
One oil inlet；3, movable plate；4, guide post；5, connecting pole；6, pedestal；6-0, lower die holder；6-1, mobile platform；6-2, accommodating chamber；
6-3, high pressure valve；6-4, condenser；6-5, throttling set；6-6, thermal insulation layer；6-7, cooling tube；6-8, low pressure valve；6-9, ejection
Device；7, mounting plate；8, laser radiation mechanism；9, display screen.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Therefore, the embodiment of the present invention to providing in the accompanying drawings below
Detailed description be not intended to limit the range of claimed invention, but be merely representative of the present invention selected embodiment.
Based on the embodiments of the present invention, what those of ordinary skill in the art were obtained without creative efforts is all
Other embodiment shall fall within the protection scope of the present invention.
To further appreciate that present disclosure, the present invention is described in detail in conjunction with the accompanying drawings and embodiments.
Embodiment 1
With reference to figure 1, the hydraulic piercing press of the accurate positioning of the present embodiment, including rack 1 and the pedestal positioned at 1 lower section of rack
6, oil cylinder 2 is installed in rack 1, movable plate 3 is fixed on the piston rod 202 of oil cylinder 2, the both sides of movable plate 3 are distinguished downwards
It is extended with side plate, scale grating is installed on certain side plate, is provided on the correspondence side wall of rack 1 matched with scale grating
Grating reading head；Rack 1 is equipped with display screen 9, which connect with grating reading head.
The hydraulic piercing press of most of accurate positionings in the prior art, punching stroke are controlled by travel switch,
Sometimes need during processing to adjust the punching stroke of perforating press by adjusting travel switch, adjust stroke when
It waits generally using visually observing, then determines that specific stroke, determining for this punching stroke are needed by repeatedly trying punching press
Repeatedly adjusting could complete, very inconvenient, and the control of punching stroke is inaccurate, causes punching precision low.In the present embodiment,
By being used cooperatively for 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 punching stroke accurately controlling with determine, improve punching precision.
Embodiment 2
With reference to figure 1, the hydraulic piercing press of the accurate positioning of the present embodiment, structure is substantially the same manner as Example 1, more into one
Step：Both ends in rack 1 are provided with guide post 4 separately down, and the both ends on movable plate 3 are respectively arranged with matches with corresponding guide post 4
The guide sleeve of conjunction.In the present embodiment, by the cooperation of guide post 4 and guide sleeve, positioning and guiding work can be played to the movement of movable plate 3
With so that the Bit andits control of movable plate 3 more exactly is conducive to improve punching precision.
Embodiment 3
With reference to figure 1, the hydraulic piercing press of the accurate positioning of the present embodiment, structure is substantially the same manner as Example 2, more into one
Step：Movable plate 3 is fixedly connected below connecting pole 5, which is fixed with mounting plate 7, and punching is equipped on the mounting plate 7
Hole upper mold.In the present embodiment, mounting plate 7 is set, the punch upper die of different model can be mounted on mounting plate 7, be expanded
The type of punching.
Embodiment 4
With reference to figure 1, the hydraulic piercing press of the accurate positioning of the present embodiment, structure is substantially the same manner as Example 3, more into one
Step：The upper end of pedestal 6 is equipped with laser radiation mechanism 8, which includes photophore and light-receiving device, photophore
Side positioned at 6 upper end of pedestal, light-receiving device are located at the other side of 6 upper end of pedestal.In the present embodiment, laser radiation mechanism 8 can
Play the role of security protection, when perforating press works, is reached between 6 upper end photophore of pedestal and light-receiving device when there is any foreign matter
When laser radiation region, perforating press emergency stop is immediately controlled in laser radiation mechanism 8, can reduce production accident odds.
Embodiment 5
With reference to figure 2, the hydraulic piercing press of the accurate positioning of the present embodiment, structure is substantially the same manner as Example 4, more into one
Step：In the present embodiment, oil cylinder 2 includes master cylinder, and master cylinder includes cylinder body 201, is provided in the cylinder body 201 and accommodates piston rod 202
First chamber, piston rod 202 moves along the length direction of first chamber；It is provided with to accommodate in piston rod 202 and leads to beam hanger 203
One end of second chamber, logical beam hanger 203 is connected to the first oil inlet 2031, leads to the bottom of the other end and second chamber of beam hanger 203
Portion is connected to；The top of first chamber is connected to the second oil inlet 2021.
Perforating press is that the startup time is long with oil cylinder common problem in the prior art, therefore, how to the prior art
Middle perforating press is improved with oil cylinder, improves perforating press working efficiency when processing the workpiece, is urgent need to resolve in the prior art
The technical issues of.Oil cylinder 2 in the present embodiment, first to 2031 fuel feeding of the first oil inlet, can start oil immediately when opening
Cylinder 2 so that full of oil in second chamber, give 202 1 smaller thrusts of piston rod so that piston rod 202 is pushed immediately
Come, greatly shortens the startup time of oil cylinder 2；During piston rod 202 is gradually reduced, the second oil inlet 2021 gradually starts to supply
Oil, at this time the first oil inlet 2031 and the second oil inlet 2021 fuel feeding simultaneously so that piston rod 202 being capable of rapid decrease；Work as work
When stopper rod 202 is in continue working, 2031 fuel cut-off of the first oil inlet relies primarily on 2021 fuel feeding of the second oil inlet and carries at this time
For power.In the present embodiment, by being used cooperatively for 2031 fuel feeding of the first oil inlet and 2021 fuel feeding of the second oil inlet, it can make
Oil cylinder 2 start the time greatly shorten【Due to the moment that oil cylinder 2 is opened, the time a large amount of hydraulic oil, the present embodiment can not be provided
In a small amount of hydraulic oil is preferentially fed by the first oil inlet 2031 first, shorten oil cylinder 2 and start the time】, to improve punching
The working efficiency of machine when processing the workpiece.
Embodiment 6
With reference to figure 2, the hydraulic piercing press of the accurate positioning of the present embodiment, structure is substantially the same manner as Example 5, more into one
Step：Second oil inlet 2021 has 3~5, and 3~5 the second oil inlets 2021 are uniformly distributed in the circumferential direction of cylinder body 201.
In the present embodiment, 3~5 the second oil inlets 2021 are uniformly distributed in the circumferential direction of cylinder body 201, and hydraulic oil is divided into 3
~5 tunnels can equably push piston rod 202 evenly into the top of first chamber so that piston rod 202 moves more
Steadily.
Embodiment 7
With reference to figure 2, the hydraulic piercing press of the accurate positioning of the present embodiment, structure is substantially the same manner as Example 6, more into one
Step：It is provided with the first guide sleeve between the outer surface of piston rod 202 and the inner surface of first chamber, leads to the outer surface of beam hanger 203
The second guide sleeve is provided between the inner surface of second chamber, and the first guide sleeve and the second guide sleeve are each attached on piston rod 202.
In the present embodiment, it is provided with the first guide sleeve between the outer surface of piston rod 202 and the inner surface of first chamber, passes through
First guide sleeve can play movement of the piston rod 202 in first chamber outside guiding role, and since the second guide sleeve is arranged
It, can be to piston rod 202 in the first chamber by the second guide sleeve between the outer surface and the inner surface of second chamber of logical beam hanger 203
Inside guiding role is played in indoor movement【That is the second guide sleeve slides on the outer surface of logical beam hanger 203】, to greatly improve
The Stability and veracity that piston rod 202 moves.
Embodiment 8
The hydraulic piercing press of the accurate positioning of the present embodiment, structure is substantially the same manner as Example 7, further：The
The inner surface of one chamber, the outer surface for leading to beam hanger 203 are both provided with ceramic wearing coat, and the setting of ceramic wearing coat can effectively delay
Solution because the first guide sleeve, the second guide sleeve sliding due to caused by frictionally damage, it is ensured that piston rod 202 move accuracy and stabilization
Property.
Embodiment 9
The hydraulic piercing press of the accurate positioning of the present embodiment, structure is substantially the same manner as Example 8, further：The
One oil inlet 2031 is connect with pressure charging valve, preferentially logical to the first oil inlet 2031 when the setting of pressure charging valve makes oil cylinder 2 just open
Enter to substantially reduce the time of the startup of oil cylinder 2 by pressure charging valve hydraulic oil after supercharged.
Embodiment 10
With reference to figure 3~4, the hydraulic piercing press of the accurate positioning of the present embodiment, 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 sleeve are uniformly installed on the medial surface of guide sleeve
Spin line shape is distributed, and arbitrary two rows ball is spaced apart on the direction perpendicular to guide sleeve central axes on guide sleeve medial surface.
In the present embodiment, by the cooperation between guide post 4 and guide sleeve, the movement of limitation movable plate 3 horizontally prevents from rushing
Horizontal looseness occurs for punch when hole, improves the precision of punching.Meanwhile in order to prevent between guide post 4 and guide sleeve due to sliding friction
It wears and generates larger fit clearance, ball is uniformly installed on the medial surface of guide sleeve, to reduce the mill between guide post 4 and guide sleeve
Damage amount.
Further, in the present embodiment, the zigzag shape that ball is 15~35 ° in lift angle on the medial surface of guide sleeve divides
Cloth, and arbitrary two rows ball is spaced apart on the direction perpendicular to guide sleeve central axes on guide sleeve medial surface【Referred to：It leads
Cover arbitrary two rows ball, the projection in the plane perpendicular to guide sleeve central axes, not in same point on medial surface】,
When relative motion between guide post 4 and guide sleeve, rolling friction is more equal between the ball and guide post 4 of above-mentioned zigzag shape distribution
It is even, the probability that horizontal looseness occurs in guide sleeve for guide post 4 is substantially reduced, principle is：In horizontal or vertical direction compared to ball
The case where multiple rows of aligned fashion, in the present embodiment the distribution of ball be more advantageous to avoid because 4 surface certain point of guide post or certain
Occurs the situation of larger fit clearance caused by one line excessive wear between guide post 4 and guide sleeve.
Lower die holder 6-0 is installed on pedestal 6, cooling body is installed on lower die holder 6-0；Cooling body includes mobile platform
6-1, accommodating chamber 6-2 and liftout attachment 6-9, mobile platform 6-1 insertion accommodating chambers 6-2 is interior and upper in accommodating chamber 6-2 can glide
Row, liftout attachment 6-9 are used to mobile platform 6-1 ejecting accommodating chamber 6-2, and the lateral surface of mobile platform 6-1 is for installing punching
Lower die；The outlet of accommodating chamber 6-2 is connected to condenser 6-4, throttling set 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 set 6-5 are arranged at the outside of lower die holder 6-0；Cooling tube 6-7 is arranged in lower die holder 6-0
Inside.
In specific the present embodiment, cooling body is installed, the hydraulic piercing press of accurate positioning is in molding on lower die holder 6-0
When mould lower die closure, i.e. punching state, mobile platform 6-1 is moved into accommodating chamber 6-2, and refrigerant is filled 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 and pressure in accommodating chamber 6-2, work as system
When refrigerant gas reaches certain pressure, high pressure valve 6-3 is automatically opened, and the refrigerant gas of high temperature and pressure is put in condenser 6-4
Thermal change becomes the liquid of low-temp low-pressure, the liquid of low-temp low-pressure at the liquid of medium temperature high pressure after being depressured using throttling set 6-5
Fully heat absorption becomes the gas of low-temp low-pressure to refrigerant after evaporating in cooling tube 6-7；When the hydraulic piercing press point of accurate positioning
When the separation of mould upper mold lower die, i.e. non-punching state, mobile platform 6-1 is ejected receiving under the action of liftout attachment 6-9 at this time
Chamber 6-2, low pressure valve 6-8 are automatically opened, the refrigerant gas of low-temp low-pressure be inhaled into again in accommodating chamber 6-2 wait for next time by
Compression, with this reciprocation cycle.Cooling body in the present embodiment can greatly improve the intensity of cooling of lower die holder 6-0, even if to work
When part carries out the lasting punching of high intensity, the temperature of punch and workpiece will not rise, and improve punch service life and punching
Precision.
Condenser 6-4, throttling set 6-5 are arranged on the thermal insulation layer 6-6 on the outside of lower die holder 6-0, and thermal insulation layer 6-6 is used
Vacuum insulation panel makes, and vacuum insulation panel is newest heat-barrier material, and the thermal coefficient of this material is extremely low, and heat insulation is prominent
Go out；Thermal insulation layer 6-6 can avoid condenser 6-4, throttling set 6-5 to lower die holder 6-0 heat releases.
Liftout attachment 6-9 is the adjustable spring for being set to accommodating chamber 6-2 bottom insides, the fixing end connection of the adjustable spring
In the groove of accommodating chamber 6-2 bottom insides, the free end of adjustable spring is connected on mobile platform 6-1, flexible bullet when molding
Spring, which is compressed in the groove of accommodating chamber 6-2 bottom insides, stores potential energy, and when dividing mould, adjustable spring will can be moved quickly
Platform 6-1 is ejected from accommodating chamber 6-2.
In order to ensure the intensity of lower die holder 6-0, cooling tube 6-7 extends in the inside of lower die holder 6-0 along zigzag shape, and cold
But pipe 6-7 close to lower die holder 6-0 lateral surface so that the position of cooling tube 6-7 arrangement is not main on lower die holder 6-0
Force part, to improve lower die holder 6-0 intensity.【It avoids that cooling water pipe is arranged in lower die holder 6-0 inner hub locations, prevents
Only inside lower die holder 6-0 under immense pressure fall damage.】
Schematically the present invention and embodiments thereof are described above, description is not limiting, institute in attached drawing
What is shown is also one of embodiments of the present invention, and actual structure is not limited to this.So if the common skill of this field
Art personnel are enlightened by it, without departing from the spirit of the invention, are not inventively designed and the technical solution
Similar frame mode and embodiment, are within the scope of protection of the invention.
Claims (8)
1. a kind of application method of perforating press, which is characterized in that include the following steps：
Step 1: refrigerant gas is packed into accommodating chamber (6-2), and contacted with mobile platform (6-1) in accommodating chamber (6-2)
Inner wall on spaced set several the annular groove of carbon dam is installed；It is additionally provided in the annular groove and carbon pressurizing
Ring connection holds out against spring, this holds out against lateral surface of the spring for carbon dam to be pressed to mobile platform (6-1)；In accommodating chamber
It is provided with pressure sensitive device in (6-2), which is used to measure the pressure in accommodating chamber (6-2), and the pressure
Sensing device is connect with high pressure valve (6-3), low pressure valve (6-8) respectively, and high pressure valve (6-3) and low pressure valve (6-8) original state are equal
To be closed；
Step 2: workpiece is mounted in punching lower die, control cylinder (2) is so that punch upper die and punching lower die mold, to work
Part is punched out；
Step 3: mobile platform (6-1) is moved into accommodating chamber (6-2) under the effect of the pressure in clamping process so that accommodate
Refrigerant gas in chamber (6-2) is compressed；
Step 4: when pressure sensitive device detects that accommodating chamber (6-2) interior pressure is more than high pressure critical value, high pressure valve is controlled
(6-3) is opened, and refrigerant gas first choice enters heat release in condenser (6-4) and becomes liquid condition, the refrigerant warp of liquid condition
Enter heat absorption in cooling tube (6-7) after crossing throttling set (6-5) decompression and be evaporated to gaseous state, is generated in workpiece punching course
The cooled pipe (6-7) of heat absorbed；
Step 5: when workpiece completes punching, control cylinder (2) is mobile at this time flat so that punch upper die and the separation of punching lower die
Platform (6-1) is ejected accommodating chamber (6-2) under the action of liftout attachment (6-9), and the pressure in accommodating chamber (6-2) is gradually reduced,
When pressure sensitive device detects that accommodating chamber (6-2) interior pressure is less than low pressure critical value, then controls high pressure valve (6-3) and first close
Close, low pressure valve (6-8) is opened afterwards, the refrigerant gas in cooling tube (6-7) reenters in accommodating chamber (6-2), when mobile flat
When platform (6-1) arrives initial position by top, pressure sensitive device detects that accommodating chamber (6-2) interior pressure restPoses, then controls
Low pressure valve (6-8) processed is closed；
Step 6: repeat the above steps one completes the lasting punching of workpiece to step 5 with this reciprocation cycle；
The perforating press includes rack (1) and the pedestal (6) below rack (1), and oil cylinder is equipped on the rack (1)
(2), movable plate (3) is fixed on the piston rod (202) of the oil cylinder (2), the both sides of the movable plate (3) are prolonged downwards respectively
Stretching has side plate, and scale grating is equipped on certain side plate, is provided with and the scale grating on the correspondence side wall of the rack (1)
Matched grating reading head；The rack (1) is equipped with display screen (9), which connects with the grating reading head
It connects；Both ends on the rack (1) are provided with guide post (4) separately down, the both ends on the movable plate (3) be respectively arranged with
The guide sleeve of corresponding guide post (4) cooperation；
Lower die holder (6-0) is installed on the pedestal (6), cooling body is installed on the lower die holder (6-0)；
The cooling body includes mobile platform (6-1), accommodating chamber (6-2) and liftout attachment (6-9), the mobile platform (6-
1) the embedded accommodating chamber (6-2) is interior and can up and down be slided in the accommodating chamber (6-2), and the liftout attachment (6-9) is used for
By mobile platform (6-1) ejection accommodating chamber (6-2), the lateral surface of the mobile platform (6-1) is for installing punching lower die；It is described
The outlet of accommodating chamber (6-2) is connected with condenser (6-4), throttling set (6-5), cooling tube (6-7) successively by high pressure valve (6-3)
Logical, the cooling tube (6-7) passes through the inlet communication of low pressure valve (6-8) and the accommodating chamber (6-2) again；
Condenser (6-4), throttling set (6-5) are arranged at the outside of lower die holder (6-0)；Cooling tube (6-7) setting exists
The inside of lower die holder (6-0).
2. the application method of perforating press according to claim 1, it is characterised in that：Condenser (6-4), throttling set (6-
5) it is arranged on the thermal insulation layer (6-6) on the outside of lower die holder (6-0).
3. the application method of perforating press according to claim 2, it is characterised in that：The thermal insulation layer (6-6) uses vacuum
Thermal insulation board makes.
4. the application method of perforating press according to claim 1, it is characterised in that：The liftout attachment (6-9) is setting
It is connected to the bottom the accommodating chamber (6-2) in the fixing end of the adjustable spring of the accommodating chamber (6-2) bottom inside, the adjustable spring
In groove on the inside of portion, the free end of adjustable spring is connected on mobile platform (6-1).
5. the application method of perforating press according to any one of claims 1-4, it is characterised in that：Cooling tube (the 6-
7) extend along zigzag shape in the inside of lower die holder (6-0), and the cooling tube (6-7) is close to the lateral surface of lower die holder (6-0).
6. the application method of perforating press according to claim 4, it is characterised in that：The movable plate (3) is fixedly connected below to be had
Connecting pole (5), connecting pole (5) lower end are fixed with mounting plate (7), punch upper die are equipped on the mounting plate (7)；
The upper end of the pedestal (6) is equipped with laser radiation mechanism (8), which includes photophore and light
Device, the photophore are located at the side of the pedestal (6) upper end, and the light-receiving device is located at the other side of the pedestal (6) upper end.
7. the application method of perforating press according to claim 6, it is characterised in that：The oil cylinder (2) includes master cylinder, described
Master cylinder includes cylinder body (201), and the first chamber for accommodating piston rod (202), the piston rod are provided in the cylinder body (201)
(202) length direction along the first chamber moves；It is provided in the piston rod (202) and accommodates lead to beam hanger (203) the
One end of two chambers, the logical beam hanger (203) is connected to the first oil inlet (2031), leads to the other end and second of beam hanger (203)
The bottom of chamber is connected to；The top of the first chamber is connected to the second oil inlet (2021)；Second oil inlet (2021)
There are 3~5,3~5 the second oil inlets (2021) are uniformly distributed in the circumferential direction of cylinder body (201).
8. the application method of perforating press according to claim 7, it is characterised in that：The outer surface of the piston rod (202)
The first guide sleeve, outer surface and second chamber of the logical beam hanger (203) are provided between the inner surface of the first chamber
The second guide sleeve is provided between the inner surface of room, and first guide sleeve and second guide sleeve are each attached to the piston rod
(202) on；The inner surface of the first chamber, the logical beam hanger (203) outer surface be both provided with ceramic wearing coat；Described
One oil inlet (2031) is connect with pressure charging valve.
Priority Applications (1)
| 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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| 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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| CN106424311A CN106424311A (en) | 2017-02-22 |
| CN106424311B true 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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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN109454169B (en) * | 2018-11-17 | 2020-08-18 | 江西省晶众特实业有限公司 | Stamping head with heat dissipation function |
| 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 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN204052646U (en) * | 2014-09-05 | 2014-12-31 | 周红兵 | A kind of hot-forming die cooling system |
| CN105964799B (en) * | 2016-06-15 | 2018-01-26 | 佛山市顺德区群宏模具有限公司 | A kind of intelligent diel using water cooling processed online |
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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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