CN108127953A - Numerical control press - Google Patents
Numerical control press Download PDFInfo
- Publication number
- CN108127953A CN108127953A CN201711384920.8A CN201711384920A CN108127953A CN 108127953 A CN108127953 A CN 108127953A CN 201711384920 A CN201711384920 A CN 201711384920A CN 108127953 A CN108127953 A CN 108127953A
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- China
- Prior art keywords
- chamber
- piston rod
- numerical control
- control press
- oil inlet
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B1/00—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen
- B30B1/32—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by plungers under fluid pressure
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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
-
- 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
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/02—Stamping using rigid devices or tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/16—Control arrangements for fluid-driven presses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/16—Control arrangements for fluid-driven presses
- B30B15/18—Control arrangements for fluid-driven presses controlling the reciprocating motion of the ram
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Presses And Accessory Devices Thereof (AREA)
Abstract
The invention discloses a kind of numerical control presses, belong to stamping equipment field.The numerical control press of the present invention, including：Rack；It is installed on the punching mechanism of upper rack；Workbench below punching mechanism；And the oil storage cabin being connect with punching mechanism.Lower die on workbench is installed, the liftout attachment that can be moved up and down is provided with below lower die.It is an object of the invention to overcome the shortcomings of that existing numerical control press is difficult to ensure that each run accurately controls, a kind of numerical control press is provided, completes the accurate control to piston rod stroke.
Description
Technical field
The present invention relates to stamping equipment field, more specifically to a kind of numerical control press.
Background technology
Punching press is a kind of common processing technology in the processing of metal flitch, plate billot is applied by punching machine and mold outer
Power makes billot generate plastic deformation or separation, so as to obtain the stamping parts of required shape and size.Punching press include deformation process and
Two kinds of separation process, separation process are also referred to as punched, the purpose is to which stamping parts is made to be detached from billot along certain contour line, protect simultaneously
The quality requirement of card separation section.The purpose of forming process is that billot is made to be plastically deformed under conditions of not broken base, is made
The stamping parts of final finished is made through processes such as follow-up grinding, polishings in the blank of required shape and size, blank.Numerical control
Punching machine is that one kind carries out punching processing, the molding industrial processing equipment of shallow recessing, shallow drawing on plank, is processed using software programming
Program send plank to processing stations through feed mechanism, meanwhile, suitable processing mould is selected in die storehouse by system
Tool, then punching press is carried out to complete the processing to plank according to program via punching mechanism.Numerical control press is according to main transmission side
The difference of formula can be divided into mechanical, fluid pressure type and servo main transmission formula.Fluid pressure type is the stroke by control cylinder piston rod
To drive strike stamping die.Mechanical and servo main transmission formula is with dynamic crankshaft using toggle by servo motor
Rotary motion be changed into the linear reciprocating motion of connecting rod.Due to mechanical and servo main transmission formula numerical control press, there are servo electricity
Acc power is high, and stroke is big, the punching press time is long, ram efficiency is low, and truck post processing is got up the problems such as cumbersome, fluid pressure type numerical control
Punching machine is more and more welcome.
The technical solution about fluid pressure type numerical control press has a large amount of disclosures, such as patent publication No. in the prior art：CN
102990956A, publication date：On March 27th, 2013, invention and created name are：Press machine, this application disclose a kind of press machine,
Including engine base and the column being arranged on engine base and the workbench being arranged on engine base, hydraulic power dress is provided in engine base
It puts, hydraulic power unit is externally connected to articulated link mechanism, and flywheel mechanism, and articulated link mechanism one are provided at the top of upright bar
End is connected to the flywheel mechanism in upright bar, and flywheel mechanism lower end is connected with a decompressor；By oil pipe and hydraulic cylinder by fluid
It transports on flywheel mechanism, generates power；It can be realized by flow valve and adjust fluid size, in punch process, illumination dress
Workbench can be played illuminating effect by putting, and ensure safety during punch process operation.
For another example patent publication No.：103433373 A of CN, publication date：On December 11st, 2013, invention and created name are：One
Kind press machine, this application disclose a kind of press machine, and the press machine of this application includes lathe bed, master cylinder, lathe bed link block, knife
Have library and workbench, tool magazine includes mold connecting plate and a variety of cutters, and all cutters are installed on mold connecting plate, mold
Connecting plate is arranged on by connector on lathe bed link block；Cutter is all integrated on a mold connecting plate, so as to form one
The tool magazine of one is removed on the slave lathe bed link block that tool magazine can be whole, cutter after mold connecting plate over-assemble again
It is installed on toward lathe bed link block, installation cutter is convenient, and speed is fast, so as to quick-replaceable tool magazine；And cutter library structure
It is more simple, repair it is more convenient, the range of work is wider.
However, numerical control press is monitored punching stroke essentially by equipment such as gratings, controls disclosed in above-mentioned patent,
The accurate control of each run is difficult to ensure that during multiple reciprocal punching press, therefore, a kind of stroke how is designed and accurately controls
The numerical control press of system, be in the prior art urgent need to resolve the technical issues of.
Invention content
1. technical problems to be solved by the inivention
It is an object of the invention to overcome the shortcomings of that existing numerical control press is difficult to ensure that each run accurately controls, provide
A kind of numerical control press completes the accurate control to piston rod stroke.
2. technical solution
In order to achieve the above objectives, technical solution provided by the invention is：
The numerical control press of the present invention, including：
Rack；
It is installed on the punching mechanism of the upper rack；
Workbench below the punching mechanism；
And the oil storage cabin being connect with the punching mechanism.
As further improvement of the present invention, lower die on the workbench is installed, is provided with below the lower die
The liftout attachment that can be moved up and down.
As further improvement of the present invention, the punching mechanism includes cylinder body；
The first chamber for accommodating piston rod, length side of the piston rod along the first chamber are provided in the cylinder body
To movement.
As further improvement of the present invention, the piston rod includes upper piston rod and lower piston rod, the upper piston
The lateral surface of bar is equipped with the lug boss slided along the first chamber inner wall, and main oil inlet is provided on the cylinder body, should
Main oil inlet is connected with the first chamber and main oil inlet is located above the lug boss.
As further improvement of the present invention, the upper piston rod is internally provided with second chamber, the second chamber content
Receiving has logical beam hanger；The logical beam hanger is equipped with the first Oil Guide chamber and the second Oil Guide chamber, and the first Oil Guide chamber is long along logical beam hanger
The through hole of the logical beam hanger of direction perforation is spent, the second Oil Guide chamber is the circular passage being centered around on the outside of the first Oil Guide chamber；
The bottom of the upper piston rod is connect with the top of the lower piston rod, and the top of the lower piston rod is equipped with third
Chamber, the bottom end of the logical beam hanger is stretched into the third chamber and the bottom end of the first Oil Guide chamber is connected with third chamber
It is logical；The lateral surface of the logical beam hanger is equipped with via hole, which connects the second Oil Guide chamber with the second chamber；
The lower part of the logical beam hanger is connected with seal member, and the seal member is by the third chamber and the second chamber
Between completely cut off；The top of the second chamber be equipped with fixing seals, the fixing seals be fixed on upper piston rod and
Fixing seals will seal up at the top of second chamber.
As further improvement of the present invention, the top of the cylinder body is equipped with top link, the top of the logical beam hanger
Portion is fixed on top link；
Speedup oil inlet and backhaul oil inlet, the speedup oil inlet and described first are respectively equipped at the top of the cylinder body
The top connection of Oil Guide chamber, the backhaul oil inlet are connected with the top of the second Oil Guide chamber.
Dynamic sealing is equipped with as further improvement of the present invention, between the lug boss and the first chamber inner wall to fill
It puts.
As further improvement of the present invention, the punching mechanism further includes range controlling mechanism；
The bottom of the cylinder body is fixed with pedestal, and the range controlling mechanism includes locating piece, worm screw and turbine；The snail
Bar is installed on pedestal, and the lateral surface of the turbine is connect with the worm thread；
The locating piece includes the positioning section on top and the sleeve sections of lower part, and the lower piston rod sequentially passes through from top to bottom
The positioning section and the sleeve sections, the positioning section is located in the first chamber and the positioning section is located at the upper piston
Below bar；
The Cover For A Turbine is on the lateral surface of the sleeve sections and the outside of the medial surface of the turbine and the sleeve sections
Face is threadedly coupled；
The both sides of the positioning section are connected separately with sliding block, are respectively equipped on the inner wall of the first chamber and the cunning
Row block corresponds to matched slideway.
As further improvement of the present invention, the worm screw is driven by decelerating motor to rotate, on the decelerating motor
Encoder is installed, the encoder is connect with liquid crystal display panel.
As further improvement of the present invention, several groups of stop holes are provided on the side of the turbine, each group is stopped
Dynamic hole includes several stop holes circumferentially arranged；
Be provided on the pedestal with the corresponding location hole of each stop hole, positioning is installed in the location hole
Bar.
3. advantageous effect
Using technical solution provided by the invention, compared with prior art, there is following remarkable result：
(1) disclosed numerical control press is monitored punching stroke essentially by equipment such as gratings, controls in the prior art,
The accurate control of each run is difficult to ensure that during multiple reciprocal punching press, in of the invention, decelerating motor spirit can be passed through
The position of control positioning section living, so as to limit each stroke of piston rod using positioning section, completes the essence to piston rod stroke
Really control can maintain punching stroke in specified parameter always in a large amount of punching courses are carried out, it is ensured that the workpiece symbol stamped out
Composite requirement improves the qualification rate of product.
(2) in the present invention, several groups of stop holes are provided on the side of turbine, each group of stop hole includes several along week
To the stop hole of arrangement；Be provided on pedestal with the corresponding location hole of each stop hole, locating rod is installed in location hole,
When positioning section adjust to designated position so as to limit punching stroke after, find location hole of the central axes on same straight line and
Locating rod is run through and enters central axes in the location hole on same straight line and in stop hole, at this time turbine quilt by stop hole
Firmly limitation rotation even if the lower face of upper piston rod carries out positioning section upper surface certain impact, can also maintain positioning section
It is motionless in fixed position, so as to ensure the accuracy of punching stroke control, improve the reliability that numerical control press uses process.
(3) in the present invention, when opening, hydraulic oil, hydraulic pressure are passed through to the first Oil Guide intracavitary by speedup oil inlet first
Oil is entered in third chamber by the first Oil Guide chamber so as to which piston rod be pushed to move down, so as to by being pushed away to one, piston rod is smaller
Power so that piston rod is got up immediately by promotion, greatly shortens the startup time of punching mechanism；Process is gradually reduced in piston rod
In, hydraulic oil is passed through into first chamber so as to which piston rod be pushed to move down by main oil inlet, at this time speedup oil inlet and it is main into
Hydraulic fluid port while fuel feeding so that piston rod can stablize decline, and give piston rod larger working thrust, meet wanting for work pieces process
It asks；In the present invention, speedup oil inlet fuel feeding and main oil inlet fuel feeding are used cooperatively, and punching mechanism are enabled to start the time big
It is big to shorten, so as to improve working efficiency during punching machine workpieces processing；When the lower face of upper piston rod and the upper surface of positioning section
During contact, illustrate that piston rod has reached predetermined stroke, pass through the physical barrier of positioning section at this time so that the stroke quilt of piston rod
The accuracy in prescribed limit, substantially increasing punching stroke control is controlled, stops speedup oil inlet and main oil inlet at this time
Oil inlet, hydraulic oil is passed through to the second Oil Guide intracavitary by backhaul oil inlet, hydraulic oil is entered by via hole in second chamber
So as to which piston rod be pushed to move up, when moving to designated position on piston rod, stop the oil inlet of backhaul oil inlet, complete a punching press
Operation is moved in circles with this and carries out continuous punching operation.
Description of the drawings
It 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 structure diagram of the numerical control press of embodiment 1；
Fig. 2 is the structure diagram of punching mechanism in embodiment 1；
Fig. 3 is the side structure schematic view of turbine in embodiment 2；
Fig. 4 is the flow chart of numerical control press process for stamping in embodiment 2.
Label declaration in schematic diagram：1st, cylinder body；101st, main oil inlet；102nd, speedup oil inlet；103rd, backhaul oil inlet；
104th, first chamber；2nd, top link；3rd, pedestal；4th, lead to beam hanger；401st, the first Oil Guide chamber；402nd, the second Oil Guide chamber；5th, on
Piston rod；501st, second chamber；6th, lower piston rod；601st, third chamber；7th, worm screw；8th, turbine；801st, stop hole；9th, it positions
Part；10th, punching mechanism；11st, rack；12nd, oil storage cabin；13rd, workbench；14th, liftout attachment.
Specific embodiment
Purpose, technical scheme and advantage to make the embodiment of the present invention are clearer, below in conjunction with the embodiment of the present invention
In attached drawing, the technical solution in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
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 Fig. 1-2, the numerical control press of the present embodiment, including：Rack 11；It is installed on the punching mechanism on 11 top of rack
10；Workbench 13 positioned at 10 lower section of punching mechanism；And the oil storage cabin 12 being connect with punching mechanism 10, oil storage cabin 12 be used for
Punching mechanism 10 provides hydraulic oil.Lower die on workbench 13 is installed, the ejection dress that can be moved up and down is provided with below lower die
14 are put, liftout attachment 14 is removed for ejecting upwards the workpiece after punching press convenient for workpiece from workbench 13.
Wherein, punching mechanism 10 includes cylinder body 1；The first chamber 104 for accommodating piston rod, piston rod are provided in cylinder body 1
It is moved along the length direction of first chamber 104；Piston rod includes upper piston rod 5 and lower piston rod 6, the lateral surface of upper piston rod 5
The lug boss slided along 104 inner wall of first chamber is equipped with, is provided with main oil inlet 101 on cylinder body 1, the main oil inlet 101
It is connected with first chamber 104 and main oil inlet 101 is located above lug boss, when hydraulic oil enters the first chamber by main oil inlet 101
When in room 104, hydraulic oil can push lug boss to move down, so as to which entire piston rod be driven to move down.
Upper piston rod 5 is internally provided with second chamber 501, and logical beam hanger 4 is accommodated in the second chamber 501；It is set on logical beam hanger 4
There are the first Oil Guide chamber 401 and the second Oil Guide chamber 402, the first Oil Guide chamber 401 is to penetrate through logical beam hanger 4 along logical 4 length direction of beam hanger
Through hole, the second Oil Guide chamber 402 are the circular passage for being centered around 401 outside of the first Oil Guide chamber；The bottom of upper piston rod 5 and lower work
The top connection of stopper rod 6, the top of lower piston rod 6 are equipped with third chamber 601, and the bottom end of logical beam hanger 4 is stretched into third chamber 601
And first the bottom end of Oil Guide chamber 401 be connected with third chamber 601；The lateral surface of logical beam hanger 4 is equipped with via hole, the via hole
Second Oil Guide chamber 402 is connected with second chamber 501；The lower part of logical beam hanger 4 is connected with seal member, and the seal member is by third
Completely cut off between chamber 601 and second chamber 501；The top of second chamber 501 is equipped with fixing seals, the fixing seals
It is fixed on upper piston rod 5 and fixing seals seals up the top of second chamber 501, when hydraulic oil enters second chamber
When in 501, hydraulic oil can push up fixing seals, so as to which entire piston rod be driven to move up.
The top of cylinder body 1 is equipped with top link 2, and the top of logical beam hanger 4 is fixed on top link 2；The top of cylinder body 1
Portion is respectively equipped with speedup oil inlet 102 and backhaul oil inlet 103, and speedup oil inlet 102 and the top of the first Oil Guide chamber 401 connect
Logical, backhaul oil inlet 103 is connected with the top of the second Oil Guide chamber 402.Wherein, it is set between 104 inner wall of lug boss and first chamber
There is dynamic sealing device so that when lug boss is slided along 104 inner wall of first chamber, between 104 inner wall of lug boss and first chamber
It is oil-proof.
Wherein, punching mechanism 10 further includes range controlling mechanism, and the bottom of cylinder body 1 is fixed with pedestal 3, range controlling mechanism
Including locating piece 9, worm screw 7 and turbine 8；Worm screw 7 is installed on pedestal 3, and the lateral surface of turbine 8 is threadedly coupled with worm screw 7；Positioning
Part 9 includes the positioning section on top and the sleeve sections of lower part, and lower piston rod 6 sequentially passes through positioning section and sleeve sections from top to bottom, fixed
Position section is located in first chamber 104 and positioning section is located at 5 lower section of upper piston rod；Turbine 8 is sleeved on the lateral surface of sleeve sections and whirlpool
The medial surface of wheel 8 is threadedly coupled with the lateral surface of sleeve sections；The both sides of positioning section are connected separately with sliding block, first chamber 104
Inner wall on be respectively equipped with matched slideway corresponding with sliding block.Wherein, worm screw 7 is driven by decelerating motor and rotated, and is slowed down
Encoder is installed, encoder is connect with liquid crystal display panel, and decelerating motor can be monitored in real time by encoder on motor
Direction of rotation and rotating cycle, so as to extrapolate the height and position residing for positioning section upper surface, and then can be on positioning section
End face present position is adjusted in real time, and reading is shown on liquid crystal display panel, in the prior art disclosed numerical control stamping
Bed is monitored punching stroke essentially by equipment such as gratings, controls, and is difficult to ensure that during multiple reciprocal punching press every
The accurate control of secondary stroke in the present embodiment, can flexibly control the position of positioning section by decelerating motor, so as to utilize positioning
Section limits each stroke of piston rod, completes the accurate control to piston rod stroke, in a large amount of punching courses are carried out always
Punching stroke can be maintained in specified parameter, it is ensured that the workpiece stamped out meets finished product requirement, improves the qualification rate of product.
Embodiment 2
With reference to Fig. 3-4, the numerical control press of the present embodiment, basic structure is substantially the same manner as Example 1, further：
Several groups of stop holes 801 are provided on the side of turbine 8, each group of stop hole 801 includes several stop circumferentially arranged
Hole 801；Be provided on pedestal 3 with 801 corresponding location hole of each stop hole, locating rod is installed in location hole.
The numerical control press of the present embodiment, process for stamping include the following steps：
Step A：Get out numerical control press；
Step B：The stroke of setting piston rod is required according to punching press；
Wherein, step B is included as follows step by step：
B1 step by step：Driving worm screw 7 rotates so that turbine 8 rotates；
B2 step by step：Locating piece 9 is driven to move up and down by the rotation of turbine 8, until the positioning section movement on locating piece 9
To designated position；
Step C：Turbine 8 is positioned；
Wherein, step C is included as follows step by step：
C1 step by step：Find location hole and stop hole 801 of the central axes on same straight line；
C2 step by step：Locating rod is run through and enters central axes in the location hole on same straight line and stop hole 801
It is interior, so as to limit the rotation of turbine 8；
Step D：Piston rod is controlled to carry out punching press action：
Wherein, step D is included as follows step by step：
D1 step by step：Hydraulic oil is passed through into the first Oil Guide chamber 401 by speedup oil inlet 102, hydraulic oil passes through first
Oil Guide chamber 401 enters in third chamber 601 so as to which piston rod be pushed to move down；
D2 step by step：Hydraulic oil is passed through so as to which piston rod be pushed to move down into first chamber 104 by main oil inlet 101；
D3 step by step：When the lower face of upper piston rod 5 is contacted with the upper surface of positioning section, stop speedup oil inlet 102
And the oil inlet of main oil inlet 101；
D4 step by step：Hydraulic oil is passed through into the second Oil Guide chamber 402 by backhaul oil inlet 103, hydraulic oil passes through conducting
Hole enters in second chamber 501 so as to which piston rod be pushed to move up, and when moving to designated position on piston rod, stops backhaul oil inlet
A punching operation is completed in 103 oil inlet, is moved in circles with this and is carried out continuous punching operation.
In the present embodiment, several groups of stop holes 801 are provided on the side of turbine 8, each group of stop hole 801 includes several
A stop hole 801 circumferentially arranged；Be provided on pedestal 3 with 801 corresponding location hole of each stop hole, in location hole
Locating rod is installed, when positioning section adjust to designated position so as to limit punching stroke after, find central axes in same straight line
On location hole and stop hole 801, by locating rod run through enter central axes in the location hole on same straight line and only
In dynamic hole 801, turbine 8 is rotated by firmly limitation at this time, even if the lower face of upper piston rod 5 carries out centainly positioning section upper surface
Impact, can also maintain positioning section motionless in fixed position, so as to ensure punching stroke control accuracy, improve numerical control stamping
Bed uses the reliability of process.
Numerical control press common problem of the prior art is that the startup time is long, therefore, how in the prior art
Punching machine punching mechanism 10 improves, and improves the working efficiency of punching machine when processing the workpiece, is the skill of urgent need to resolve in the prior art
Art problem.In the present embodiment, when opening, hydraulic oil is passed through into the first Oil Guide chamber 401 by speedup oil inlet 102 first,
Hydraulic oil is entered in third chamber 601 by the first Oil Guide chamber 401 so as to which piston rod be pushed to move down, so as to by giving piston rod one
A smaller thrust so that piston rod is got up immediately by promotion, greatly shortens the startup time of punching mechanism 10；Piston rod by
During gradually declining, hydraulic oil is passed through so as to which piston rod be pushed to move down into first chamber 104 by main oil inlet 101, at this time
Speedup oil inlet 102 and main oil inlet 101 while fuel feeding so that piston rod can stablize decline, and give piston rod larger work
Make thrust, meet the requirement of work pieces process.In the present embodiment, the cooperation of 101 fuel feeding of 102 fuel feeding of speedup oil inlet and main oil inlet
It uses, the startup time of punching mechanism 10 is enabled to greatly shorten, so as to improve working efficiency during punching machine workpieces processing；When
When the lower face of upper piston rod 5 is contacted with the upper surface of positioning section, illustrate that piston rod has reached predetermined stroke, at this time by fixed
The physical barrier of position section so that the stroke of piston rod is controlled in prescribed limit, substantially increases the accurate of punching stroke control
Property, stop the oil inlet of speedup oil inlet 102 and main oil inlet 101 at this time, by backhaul oil inlet 103 to the second Oil Guide chamber
Hydraulic oil is passed through in 402, hydraulic oil is entered in second chamber 501 by via hole so as to which piston rod be pushed to move up, and works as piston rod
On when moving to designated position, stop the oil inlet of backhaul oil inlet 103, a punching operation completed, with this company of moving in circles
Continuous punching operation.
Schematically the present invention and embodiments thereof are described above, this describes no restricted, institute in attached drawing
What is shown is also one of embodiments of the present invention, and practical structure is not limited thereto.So if 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 (10)
1. numerical control press, it is characterised in that including：
Rack (11)；
It is installed on the punching mechanism (10) on the rack (11) top；
Workbench (13) below the punching mechanism (10)；
And the oil storage cabin (12) being connect with the punching mechanism (10).
2. numerical control press according to claim 1, it is characterised in that：Lower die is installed on the workbench (13), it is described
The liftout attachment (14) that can be moved up and down is provided with below lower die.
3. numerical control press according to claim 2, which is characterized in that the punching mechanism (10) includes cylinder body (1)；
It is provided with the first chamber (104) for accommodating piston rod in the cylinder body (1), the piston rod is along the first chamber
(104) length direction movement.
4. numerical control press according to claim 3, which is characterized in that the piston rod includes upper piston rod (5) and lower work
Stopper rod (6), the lateral surface of the upper piston rod (5) are equipped with the lug boss slided along the first chamber (104) inner wall, institute
It states and main oil inlet (101) is provided on cylinder body (1), which is connected with the first chamber (104) and main oil inlet
Mouth (101) is above the lug boss.
5. numerical control press according to claim 4, which is characterized in that the upper piston rod (5) is internally provided with second chamber
(501), logical beam hanger (4) is accommodated in the second chamber (501)；The logical beam hanger (4) is equipped with the first Oil Guide chamber (401) and the
Two Oil Guide chambers (402), the first Oil Guide chamber (401) are the through hole that logical beam hanger (4) is penetrated through along logical beam hanger (4) length direction,
The second Oil Guide chamber (402) is the circular passage being centered around on the outside of the first Oil Guide chamber (401)；
The bottom of the upper piston rod (5) is connect with the top of the lower piston rod (6), is set at the top of the lower piston rod (6)
There is third chamber (601), the bottom end of the logical beam hanger (4) is stretched into the third chamber (601) and the first Oil Guide chamber
(401) bottom end is connected with third chamber (601)；The lateral surface of the logical beam hanger (4) is equipped with via hole, which will
The second Oil Guide chamber (402) connects with the second chamber (501)；
The lower part of the logical beam hanger (4) is connected with seal member, and the seal member is by the third chamber (601) and described second
Chamber is completely cut off between (501)；The top of the second chamber (501) is equipped with fixing seals, which fixes
On upper piston rod (5) and fixing seals will seal up at the top of second chamber (501).
6. numerical control press according to claim 5, which is characterized in that the top of the cylinder body (1) is equipped with top link
(2), it is fixed on top link (2) at the top of the logical beam hanger (4)；
Speedup oil inlet (102) and backhaul oil inlet (103), the speedup oil inlet are respectively equipped at the top of the cylinder body (1)
(102) top with the first Oil Guide chamber (401) connects, the backhaul oil inlet (103) and the second Oil Guide chamber (402)
Top connection.
7. numerical control press according to claim 6, which is characterized in that the lug boss is interior with the first chamber (104)
Dynamic sealing device is equipped between wall.
8. according to the numerical control press described in claim 4-7 any one, which is characterized in that the punching mechanism (10) further includes
Range controlling mechanism；
The bottom of the cylinder body (1) is fixed with pedestal (3), and the range controlling mechanism includes locating piece (9), worm screw (7) and whirlpool
It takes turns (8)；The worm screw (7) is installed on pedestal (3), and the lateral surface of the turbine (8) is threadedly coupled with the worm screw (7)；
The sleeve sections of positioning section and lower part of the locating piece (9) including top, the lower piston rod (6) are worn successively from top to bottom
The positioning section and the sleeve sections are crossed, the positioning section is located in the first chamber (104) and the positioning section is located at institute
It states below upper piston rod (5)；
The turbine (8) be sleeved on the lateral surface of the sleeve sections and the medial surface of the turbine (8) and the sleeve sections it is outer
Flank threads connect；
The both sides of the positioning section are connected separately with sliding block, be respectively equipped on the inner wall of the first chamber (104) with it is described
Sliding block corresponds to matched slideway.
9. numerical control press according to claim 8, which is characterized in that the worm screw (7) is driven by decelerating motor to rotate,
Encoder is installed, the encoder is connect with liquid crystal display panel on the decelerating motor.
10. numerical control press according to claim 9, which is characterized in that be provided with several groups on the side of the turbine (8)
Stop hole (801), the stop hole (801) that each group of stop hole (801) is circumferentially arranged including several；
Be provided on the pedestal (3) with each stop hole (801) corresponding location hole, it is fixed to be equipped in the location hole
Position bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711384920.8A CN108127953A (en) | 2017-12-20 | 2017-12-20 | Numerical control press |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711384920.8A CN108127953A (en) | 2017-12-20 | 2017-12-20 | Numerical control press |
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| Publication Number | Publication Date |
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| CN108127953A true CN108127953A (en) | 2018-06-08 |
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ID=62391921
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711384920.8A Pending CN108127953A (en) | 2017-12-20 | 2017-12-20 | Numerical control press |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109807221A (en) * | 2019-04-02 | 2019-05-28 | 南通华德锻压机床有限公司 | A kind of multifunctional combination hydraulic press |
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Application publication date: 20180608 |