CN106623596B - A kind of hydraulic piercing press of accurate positioning - Google Patents
A kind of hydraulic piercing press of accurate positioning Download PDFInfo
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- CN106623596B CN106623596B CN201611195023.8A CN201611195023A CN106623596B CN 106623596 B CN106623596 B CN 106623596B CN 201611195023 A CN201611195023 A CN 201611195023A CN 106623596 B CN106623596 B CN 106623596B
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- Prior art keywords
- guide sleeve
- accurate positioning
- lower die
- piercing press
- hydraulic piercing
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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
- B21D28/243—Perforating, i.e. punching holes in profiles
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- 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
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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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
- B21D37/12—Particular guiding equipment, e.g. pliers; Special arrangements for interconnection or cooperation of dies
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Press Drives And Press Lines (AREA)
- Presses And Accessory Devices Thereof (AREA)
Abstract
The invention discloses a kind of hydraulic piercing presses of accurate positioning, belong to perforating press field.The hydraulic piercing press of the accurate positioning of the present invention, including rack and the pedestal below rack are equipped with oil cylinder in rack, movable plate are fixed on the piston rod of oil cylinder；Both ends in rack are provided with guide post separately down, and the both ends on movable plate are respectively arranged with the guide sleeve coordinated with corresponding guide post；Ball is uniformly installed, the zigzag shape that ball is 15~35 ° in lift angle on the medial surface of guide sleeve is distributed, and arbitrary two rows ball is spaced apart on the direction perpendicular to guide sleeve central axes on guide sleeve medial surface on the medial surface of guide sleeve.The main application of the present invention is to provide a kind of hydraulic piercing press of accurate positioning, meets the higher occasion of punching position accuracy requirement.
Description
Technical field
The present invention relates to perforating press fields, more specifically to a kind of hydraulic piercing press of accurate positioning.
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.：
CN105562507 A, publication date：On May 11st, 2016, invention and created name are：A kind of new automatic hydraulic piercing press, should
Application case discloses a kind of new automatic hydraulic piercing press, including rack, and bottom of the frame rear side is intermediate to be set there are one rear walking wheel,
Rack is equipped with automatic controller, computation screen, Electric Machine at Pumping Station, hydraulic power unit, left and right horizontal mobile mechanism, anterior-posterior horizontal shifting
Motivation structure and hole punched device.This application design is unique, design is careful, and product automation degree is high, and H steel is carried out using the equipment
Production cost is not only greatly saved in punching operation, improves punch work efficiency, moreover, also fundamentally solving because of H steel
Volume 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, due between dynamic and static parts
Abrasion so that punch vertically to movement when there is also plays horizontally, it is difficult to meet punching position accuracy requirement
Higher occasion.
In conclusion how to design the technology that a kind of hydraulic piercing press of accurate positioning is urgent need to resolve in the prior art
Problem.
Invention content
1. technical problems to be solved by the inivention
It is an object of the invention to overcome the punch of existing hydraulic piercing press vertically to there is also horizontally when movement
The deficiency of play provides a kind of hydraulic piercing press of accurate positioning, meets the higher occasion of punching position accuracy requirement.
2. technical solution
In order to achieve the above objectives, technical solution provided by the invention is：
The hydraulic piercing press of the accurate positioning of the present invention, including rack and the pedestal below rack, in the rack
Oil cylinder is installed, movable plate is fixed on the piston rod of the oil cylinder, the both sides of the movable plate have each extended over downwards side
Plate is equipped with scale grating on certain side plate, is provided on the correspondence side wall of the rack matched with the scale grating
Grating reading head；The rack is equipped with display screen, which connect with the grating reading head；
Both ends in the rack are provided with guide post separately down, the both ends on the movable plate be respectively arranged with accordingly
The guide sleeve of guide post cooperation；
Ball is uniformly installed on the medial surface of the guide sleeve, the ball on the medial surface of guide sleeve in lift angle be 15~
Between 35 ° of zigzag shape is distributed, and arbitrary two rows ball is on the direction perpendicular to guide sleeve central axes on guide sleeve medial surface
Every distribution.
As further improvement of the present invention, lower die holder is installed on the pedestal, is equipped on the lower die holder cold
But mechanism；
The cooling body includes mobile platform, accommodating chamber and liftout attachment, and the mobile platform is embedded in the accommodating chamber
Interior and can up and down be slided in the accommodating chamber, the liftout attachment is used to mobile platform ejecting accommodating chamber, and the movement is flat
The lateral surface of platform is for installing punching lower die；The outlet of the accommodating chamber by high pressure valve successively with condenser, throttling set, cold
But pipe is connected to, and the cooling tube passes through the inlet communication of low pressure valve and the accommodating chamber again；
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, the zigzag shape that ball is 15~35 ° in lift angle on the medial surface of guide sleeve is distributed, and guide sleeve
Arbitrary two rows ball is spaced apart on the direction perpendicular to guide sleeve central axes on medial surface, when phase between guide post and guide sleeve
When to movement, between the ball and guide post of the distribution of above-mentioned zigzag shape rolling friction evenly, substantially reduce guide post and leading
The probability of horizontal looseness occurs in set, principle is：Compared to ball in horizontal or vertical direction multiple rows of aligned fashion the case where, this hair
The distribution of bright middle ball be more advantageous to avoid caused by guide post surface certain point or a certain line excessive wear guide post with
Occurs the situation of larger fit clearance between guide sleeve.
(2) 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 (9)
1. a kind of hydraulic piercing press of accurate positioning, including rack (1) and the pedestal (6) below rack (1), feature exists
In：Oil cylinder (2) is installed on the rack (1), movable plate (3) is fixed on the piston rod (202) of the oil cylinder (2), it is described
The both sides of movable plate (3) have each extended over downwards side plate, and scale grating, pair of the rack (1) are equipped on certain side plate
It answers and is provided on side wall and the matched grating reading head of the scale grating；The rack (1) is equipped with display screen (9), should
Display screen (9) is connect with the grating reading head；
Both ends on the rack (1) are provided with guide post (4) separately down, and the both ends on the movable plate (3) are respectively arranged with
With the guide sleeve of corresponding guide post (4) cooperation；
Ball is uniformly installed, the ball is 15~35 ° in lift angle on the medial surface of guide sleeve on the medial surface of the guide sleeve
Zigzag shape distribution, and on guide sleeve medial surface arbitrary two rows ball be spaced on the direction perpendicular to guide sleeve central axes divide
Cloth.
2. the hydraulic piercing press of accurate positioning according to claim 1, it is characterised in that：It is equipped on the pedestal (6)
Lower die holder (6-0) is equipped with cooling body 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).
3. the hydraulic piercing press of accurate positioning according to claim 2, it is characterised in that：Condenser (6-4), throttling set
(6-5) is arranged on the thermal insulation layer (6-6) on the outside of lower die holder (6-0).
4. the hydraulic piercing press of accurate positioning according to claim 3, it is characterised in that：The thermal insulation layer (6-6) uses
Vacuum insulation panel makes.
5. the hydraulic piercing press of accurate positioning according to claim 2, it is characterised in that：The liftout attachment (6-9) is
It is set to the adjustable spring of the accommodating chamber (6-2) bottom inside, the fixing end of the adjustable spring is connected to the accommodating chamber (6-
2) in the groove of bottom inside, the free end of adjustable spring is connected on mobile platform (6-1).
6. the hydraulic piercing press of the accurate positioning according to claim 2-5 any one, it is characterised in that：The cooling tube
(6-7) extends in the inside of lower die holder (6-0) along zigzag shape, and the cooling tube (6-7) is close to the outside of lower die holder (6-0)
Face.
7. the hydraulic piercing press of accurate positioning according to claim 6, it is characterised in that：It is solid below the movable plate (3)
It is connected with connecting pole (5), which is fixed with mounting plate (7), and punch upper die is 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.
8. the hydraulic piercing press of accurate positioning according to claim 7, it is characterised in that：The oil cylinder (2) includes master cylinder,
The 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).
9. the hydraulic piercing press of accurate positioning according to claim 8, it is characterised in that：Outside the piston rod (202)
It is provided with the first guide sleeve between surface and the inner surface of the first chamber, the outer surface of the logical beam hanger (203) and described the
The second guide sleeve is provided between the inner surface of two chambers, and first guide sleeve and second guide sleeve are each attached to the piston
On bar (202)；The inner surface of the first chamber, the logical beam hanger (203) outer surface be both provided with ceramic wearing coat；It is described
First oil inlet (2031) is connect with pressure charging valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611195023.8A CN106623596B (en) | 2016-12-22 | 2016-12-22 | A kind of hydraulic piercing press of accurate positioning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611195023.8A CN106623596B (en) | 2016-12-22 | 2016-12-22 | A kind of hydraulic piercing press of accurate positioning |
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| Publication Number | Publication Date |
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| CN106623596A CN106623596A (en) | 2017-05-10 |
| CN106623596B true CN106623596B (en) | 2018-10-09 |
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| CN201611195023.8A Active CN106623596B (en) | 2016-12-22 | 2016-12-22 | A kind of hydraulic piercing press of accurate positioning |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109570326A (en) * | 2017-12-19 | 2019-04-05 | 安徽省凌锋冶金机械有限公司 | The renovation technique of wave shearing machine tool holder system guiding device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2801320Y (en) * | 2005-07-08 | 2006-08-02 | 姜迎繁 | Precision blanking mould frame |
| JP2007190563A (en) * | 2006-01-17 | 2007-08-02 | Atsuta Seiki Kk | Die |
| CN101406918B (en) * | 2008-11-21 | 2010-10-20 | 深圳联达钮扣有限公司 | Punching machine mold of metal button and method for processing metal button using the mold |
| CN204504009U (en) * | 2015-02-11 | 2015-07-29 | 芜湖粤研机电设备有限公司 | A kind of expander mechanism |
| CN205341659U (en) * | 2016-01-08 | 2016-06-29 | 南安市丰州明盛五金配件厂 | Stamping die convenient to drawing of patterns |
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Effective date of registration: 20180726 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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