CN108273874A - The method of the clamping point and stop location adjust automatically of bender - Google Patents
The method of the clamping point and stop location adjust automatically of bender Download PDFInfo
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- CN108273874A CN108273874A CN201711381103.7A CN201711381103A CN108273874A CN 108273874 A CN108273874 A CN 108273874A CN 201711381103 A CN201711381103 A CN 201711381103A CN 108273874 A CN108273874 A CN 108273874A
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- upper mold
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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
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/004—Bending sheet metal along straight lines, e.g. to form simple curves with program control
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- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention discloses a kind of methods of the clamping point of bender and stop location adjust automatically, this method is mainly to calculate the high difference of mould of mold selected by each program in program library automatically according to the parameter of mold in die storehouse, and teaching position and the stop location of the high difference of this mould and adjust automatically present procedure can be judged when entering program.By using the method for the present invention, user only needs primary to the teaching of clamping point position when bender control device is just used, it later can be with processing program in any switching laws mold or option program library, clamping point position and stop location meeting adjust automatically, it need not all repeat to carry out teaching to stop location in clamping point position and program or manually adjust, even if power-off restarting nor affects on, the present invention both improved work efficiency, the bending precision of meet demand is constant before capable of also keeping simultaneously, and eliminating the second order error for manually adjusting bring again influences.
Description
Technical field
The present invention relates to a kind of methods of the clamping point of bender and stop location adjust automatically, belong to bender control skill
Art field.
Background technology
Bender is a kind of mechanical equipment of sheet metal machine-shaping, for the Bending Processing to sheet metal.At it
In process, the bending angle of plate depends primarily on the stop location in bender control device, if in control device
Stop location parameter value calculation or adjustment it is inaccurate, then it is larger and generate useless to fold the practical bending angle error come for plank
Material, many to the automatic computational algorithm of stop location at present and error is all within tolerance interval, but for multimode in die storehouse
Step up a position, stop location variation in tool height change, program library caused by multiprogram switching, it is still necessary to manual teaching and tune
It is whole, working efficiency is reduced, while also bringing along artificial error.
Bender is in bending process, and stop location is typically to be added gained with bending depth by clamping point position, if folding
Bend into depth be 0 when, stop location is equal with clamping point position.So including following step to the teaching process of clamping point position
Suddenly：
First, setting bending angle is 180 °, and the bending depth theoretically calculated at this time is 0；
Secondly, one block of plank is placed between upper mold and lower mold, adjusts stop location, and sliding block is made to reach stop location
When, upper mold and lower mold just clamp plank plank record stop location at this time without deformation simultaneously；
Finally, the block position when stop location recorded and plate thickness being added as upper mold and lower mold cramping
It sets, this stop location is in current upper mold and lower mold is shown below teaches clamping point position.
Bender is replacing upper mold or lower mold, when the height of upper mold or lower die changes, then needs to clamping point
Position is readjusted, and the variation of clamping point position can influence stop location again, so need to carry out school again to stop location again
Just.
Present bender control device has program library and die storehouse, user that can establish set programs up to a hundred even more
It is more, while often covering the mold used in program and being also not quite similar, user can be caused not only in switching mold every time, to need in this way
Clamping point position is manually adjusted, is also required to check whether selected mold is as before in each changeover program, consideration is
It is no to manually adjust clamping point position and correction stop location.
Frequently adjustment clamping point position and stop location inevitably result in work efficiency drop, while may also can influence
Bending precision increases bending error.
Invention content
The object of the present invention is to provide a kind of methods of the clamping point of bender and stop location adjust automatically, solve existing
Work efficiency drop, bending precision are reduced, are rolled over caused by frequently adjusting clamping point position and stop location in technology
The curved increased technological deficiency of error.
To solve the above problems, the technical solution used in the present invention is：A kind of clamping point and stop location of bender
The method of adjust automatically, includes the following steps,
Step 1, the program 1 in setting program library is current processing program, and mold used in program 1 is current lathe
The mold of installation, and determine the high H of upper mold mould under present procedurep1, the high H of lower die mouldd1With clamping point position registration value Cp, this time-histories
The upper mold adjustment difference that sequence 1 is given tacit consent to is △ P01, the lower die adjustment difference that program 1 is given tacit consent to is △ P02；
Step 2, corresponding stop location Y in setting program nn, wherein n takes positive integer；
Step 3, upper mold and/or lower mold are replaced；
Step 4, judge to replace upper die and lower die still while replacing upper die and lower die, such as only replace with film, then enter step
5, lower die is such as only replaced, then enters step 6, such as film and lower die is replaced with simultaneously, then enters step 7；
Step 5, a height of H of upper mold mould of the upper mold after replacementp2,
System-computed goes out to replace the upper mold adjustment difference after upper mold
△P1=△ P01+(Hp2-Hp1) (1)
The adjustment position of the folder point of upper mold after replacement upper mold
C'P1=Cp-△P1 (2)
The adjustment position of upper mold block after replacement upper mold
Yn'1=Yn-△P1 (3)
Subsequently into step 8；
Step 6, a height of H of lower die mould of modified lower moldd2,
System-computed goes out to replace lower die adjustment difference after lower die
△P2=△ P02+(Hd2-Hd1) (4)
The adjustment position of the folder point of lower die after replacement lower die
C'p2=Cp-△P2 (5)
The adjustment position of lower die block after replacement lower die
Yn'2=Yn-△P2 (6)
Subsequently into step 8；
Step 7, after modification upper mold a height of H of upper mold mouldp2, a height of H of lower die mould of lower moldd2, system is according to formula
(1) upper mold adjustment difference △ P are calculated1, the adjustment position C' of the folder point of upper mold is calculated according to formula (2)p1, according to formula
(3) the adjustment position Y of upper mold block is calculatedn'1, lower die adjustment difference △ P are calculated according to formula (4)2, according to formula (5)
Calculate the adjustment position C' of the folder point of lower diep2, the adjustment position Y of lower die block is calculated according to formula (6)n'2, then into
Enter step 8；
Step 8, program all in polling routine library, judges whether the program 1 after replacement upper mold exceeds program library
Whether the mold contrast judgement in range, with program library has matched mold, until the mold of the program m in program library and replacement
Upper mold matching afterwards, then changeover program m is present procedure, and enters step 9, wherein m ∈ [1, n] and m is integer；
Step 9, judge whether stop location can adjust, if stop location cannot be adjusted, then repeatedly step 8, such as block position
It sets adjustable, then enters step 10；
Step 10, the corresponding clamping point positions more new procedures m；
Step 11, the more stop location of new procedures m；
Step 12, system cut-off, and store all program adjustment states and the high difference of program mould；
Step 13, restart system, and the program that read step 12 stores adjusts state and the high difference of program mould.
As a further improvement on the present invention, program all in polling routine library in the step 8 includes,
Step 8.1, determining program 1 whether exceed program library range, the range such as program 1 without departing from program library, then into
Enter step 8.2；
Step 8.2, the mold in program 1 is compared with the mold of a certain program in program library pair, as in program 1 mold with
The mold that is compared mismatches, then repeatedly step 8.2, by other programs not compared in the mold and program library in program 1
Mold if the mold of certain program in the mold and program library in program 1 matches, then enters step 8.3 compared to；
Step 8.3, judge whether the high difference of mould is 0, if the high difference of mould is 0, then update corresponding program mould height difference, the journey
The corresponding stop location of sequence is adjustable state, and repeats step 8；If the high difference of mould is not 0, then step 8 is directly repeated.
As a further improvement of the present invention, registration value C in clamping point position in the step 1pDetermination include,
Step 1.1, bending angle is set as 180 °；
Step 1.2, one block of plank is placed between upper mold and lower mold；
Step 1.3, the position for adjusting the block of bender, make bender sliding block reach stop location when, upper mold with
Lower mold just clamps plank while plank is without deformation；
Step 1.4, in recording step 1.3 block position, the position of block in step 1.3 is added with the thickness of plank
Stop location when upper mold and lower mold cramping is obtained, it is current upper mold to take stop location when upper mold and lower mold cramping
Tool and lower mold is shown below teaches clamping point position Cp。
The beneficial effects of the invention are as follows：1. upper mold or lower mold of the present invention by replacement, calculate its mould height difference, i.e.,
Make multiple more mold exchange, mould height difference that can also add up automatically, it will not be because of in do not timely update clamping point position or program library
The stop location of each program and there is deviation.
2. the present invention is selected by each program mould height difference and location updating state in the program library of calculating in program library
When any program is as current processing program, stop location and lathe clamping point position in this program of meeting adjust automatically are not required to
It manually adjusts.
3. the present invention preserves function using power down, location updating state and mould height difference before power down are preserved, after re-powering
These parameters are read, so even if accident power-off nor affects on the adjustment of clamping point position and stop location.
Description of the drawings
Fig. 1 is the flow chart of the application.
Fig. 2 is the structural schematic diagram of the application upper die and lower die.
Fig. 3 is the contrast schematic diagram that the application replaces upper mold.
Fig. 4 reality the application replaces the contrast schematic diagram of lower die.
Specific implementation mode
The specific implementation mode of the present invention is described further below in conjunction with the accompanying drawings.
As shown in Figure 1 to 4, the method for the clamping point of bender and stop location adjust automatically, includes the following steps：
Step 1, the program 1 in setting program library is current processing program, and mold used in program 1 is current lathe
The mold of installation, and determine the high H of upper mold mould under present procedurep1, the high H of lower die mouldd1With clamping point position registration value Cp, this time-histories
The upper mold adjustment difference that sequence 1 is given tacit consent to is △ P01, the lower die adjustment difference that program 1 is given tacit consent to is △ P02；
Step 2, corresponding stop location Y in setting program nn, wherein n takes positive integer；
Step 3, upper mold and/or lower mold are replaced；
Step 4, judge to replace upper die and lower die still while replacing upper die and lower die, such as only replace with film, then enter step
5, lower die is such as only replaced, then enters step 6, such as film and lower die is replaced with simultaneously, then enters step 7；
Step 5, a height of H of upper mold mould of the upper mold after replacementp2,
System-computed goes out to replace the upper mold adjustment difference after upper mold
△P1=△ P01+(Hp2-Hp1) (1)
The adjustment position of the folder point of upper mold after replacement upper mold
C'P1=Cp-△P1 (2)
The adjustment position of upper mold block after replacement upper mold
Yn'1=Yn-△P1 (3)
Subsequently into step 8；
Step 6, a height of H of lower die mould of modified lower moldd2,
System-computed goes out to replace lower die adjustment difference after lower die
△P2=△ P02+(Hd2-Hd1) (4)
The adjustment position of the folder point of lower die after replacement lower die
C'p2=Cp-△P2 (5)
The adjustment position of lower die block after replacement lower die
Yn'2=Yn-△P2 (6)
Subsequently into step 8；
Step 7, after modification upper mold a height of H of upper mold mouldp2, a height of H of lower die mould of lower moldd2, system is according to formula
(1) upper mold adjustment difference △ P are calculated1, the adjustment position C' of the folder point of upper mold is calculated according to formula (2)p1, according to formula
(3) the adjustment position Y of upper mold block is calculatedn'1, lower die adjustment difference △ P are calculated according to formula (4)2, according to formula (5)
Calculate the adjustment position C' of the folder point of lower diep2, the adjustment position Y of lower die block is calculated according to formula (6)n'2, then into
Enter step 8；
Step 8, program all in polling routine library, judges whether the program 1 after replacement upper mold exceeds program library
Whether the mold contrast judgement in range, with program library has matched mold, until the mold of the program m in program library and replacement
Upper mold matching afterwards, then changeover program m is present procedure, and enters step 9, wherein m ∈ [1, n] and m is integer；
Step 9, judge whether stop location can adjust, if stop location cannot be adjusted, then repeatedly step 8, such as block position
It sets adjustable, then enters step 10, the corresponding adjustment flag bits of setting program m are Fm；
Step 10, the corresponding clamping point positions more new procedures m；
Step 11, the more stop location of new procedures m, after m-th of program stop location adjustment, FmWith △ PmIt resets
Processing；
Step 12, system cut-off, and store all program adjustment states and the high difference of program mould；
Step 13, restart system, and the program that read step 12 stores adjusts state and the high difference of program mould.
Heretofore described step 8 specifically includes,
Step 8.1, determining program 1 whether exceed program library range, the range such as program 1 without departing from program library, then into
Enter step 8.2.
Step 8.2, the mold in program 1 is compared with the mold of a certain program in program library pair, as in program 1 mold with
The mold that is compared mismatches, then repeatedly step 8.2, by other programs not compared in the mold and program library in program 1
Mold if the mold of certain program in the mold and program library in program 1 matches, then enters step 8.3 compared to.
Step 8.3, judge whether the high difference of mould is 0, if the high difference of mould is 0, then update corresponding program mould height difference, the journey
The corresponding stop location of sequence is adjustable state, and repeats step 8；If the high difference of mould is not 0, then step 8 is directly repeated.
Registration value C in clamping point position in step 1 described hereinpDetermination include,
Step 1.1, setting bending angle is 180 °.
Step 1.2, one block of plank is placed between upper mold and lower mold.
Step 1.3, the position for adjusting the block of bender, make bender sliding block reach stop location when, upper mold with
Lower mold just clamps plank while plank is without deformation.
Step 1.4, in recording step 1.3 block position, the position of block in step 1.3 is added with the thickness of plank
Stop location when upper mold and lower mold cramping is obtained, it is current upper mold to take stop location when upper mold and lower mold cramping
Tool and lower mold is shown below teaches clamping point position Cp。
The structure system prior art of bender employed in the application, the application refuse the structure of bender itself
It is described in detail.
With specific case, the present invention will be described below：
1. setting a height of 20mm of upper mold mould, a height of 30mm of lower die mould of Installing machine tool first, setting is when the folder under front mold
Tight position registration value of putting is 100mm, and stop location is 110mm in program 1, and the stop location in program 2 is 120mm, 1 He of program
Mould therefor is the mold of current Installing machine tool in program 2, and it is current processing program to concurrently set program 1, what program 1 was given tacit consent to
It is 0 that upper mold, which adjusts difference and lower die adjustment difference,.
2. changing a height of 15mm of upper mold mould, it is -5mm to calculate depanning height difference value according to formula (1), then is adjusted according to formula (2)
Clamping point position is 105mm, adjusts the stop location 115mm in current processing program 1 according to formula (3), poll is found in program 2
Mould therefor is matched with modification mold, then the block adjustment flag bit of program 2 is set as adjustable state, while it adjusts difference
For -5mm.
3. option program 2 is as current processing program, judge whether block adjustment flag bit is adjustable state, if
It is that then stop location is 125mm in adjustment programme 2, while the 2 high difference of corresponding mould of program is clear 0, adjustment mark position is set as
It cannot be adjusted state.
4. changing the lower a height of 35mm of mold mould again at this time, it is+5mm to calculate depanning height difference value according to formula (1), then according to formula
(2) adjustment clamping point position is 100mm, adjusts the stop location 120mm in current processing program 2 according to formula (3), poll is found
Mould therefor is matched with modification mold in program 1, then the block adjustment mark position of program 1 is set as adjustable state, simultaneously
It is+5mm that it, which adjusts difference,.
5. option program 1 is as current processing program, judge whether block adjustment flag bit is adjustable state, if
It is that then stop location is 110mm in adjustment programme 1, while the 1 high difference of corresponding mould of program is clear 0, adjustment mark position is set as
It cannot be adjusted state.
6. changing a height of 15mm of upper mold mould, a height of 25mm of lower die mould simultaneously, depanning height difference is calculated according to formula (1) and formula (4)
Value is -10mm, then it is 110mm to adjust clamping point position according to formula (2), and the block in current processing program 1 is adjusted according to formula (3)
Position 120mm, poll find that mould therefor match with modification mold in program 2, then the block of program 2 adjusts mark position as can
Adjustment state, while it is -10mm that it, which adjusts difference,.
7. it powers off at this time, the block adjustment mark position of system save routine 2 and adjustment difference, after re-powering, system
The block of reading program 2 adjusts mark position and adjustment difference, and option program 2 is used as current processing program at this time, judges block
Adjust whether flag bit is adjustable state, if it is, stop location is 130mm in adjustment programme 2, while program 2 corresponds to
The high difference of mould is clear 0, adjustment mark position is set as cannot be adjusted state.
Claims (3)
1. a kind of method of the clamping point of bender and stop location adjust automatically, it is characterised in that：Include the following steps,
Step 1, the program 1 in setting program library is current processing program, and mold used in program 1 is current Installing machine tool
Mold, and determine present procedure under the high H of upper mold mouldp1, the high H of lower die mouldd1With clamping point position registration value Cp, program 1 at this time
The upper mold adjustment difference of acquiescence is △ P01, the lower die adjustment difference that program 1 is given tacit consent to is △ P02；
Step 2, corresponding stop location Y in setting program nn, wherein n takes positive integer；
Step 3, upper mold and/or lower mold are replaced；
Step 4, judge to replace upper die and lower die still while replacing upper die and lower die, such as only replace with film, then enter step 5, such as
Lower die is only replaced, then enters step 6, such as film and lower die is replaced with simultaneously, then enters step 7；
Step 5, a height of H of upper mold mould of the upper mold after replacementp2,
System-computed goes out to replace the upper mold adjustment difference after upper mold
△P1=△ P01+(Hp2-Hp1) (1)
The adjustment position of the folder point of upper mold after replacement upper mold
C'P1=Cp-△P1 (2)
The adjustment position of upper mold block after replacement upper mold
Y′n1=Yn-△P1 (3)
Subsequently into step 8；
Step 6, a height of H of lower die mould of modified lower moldd2,
System-computed goes out to replace lower die adjustment difference after lower die
△P2=△ P02+(Hd2-Hd1) (4)
The adjustment position of the folder point of lower die after replacement lower die
C'p2=Cp-△P2 (5)
The adjustment position of lower die block after replacement lower die
Y′n2=Yn-△P2 (6)
Subsequently into step 8；
Step 7, after modification upper mold a height of H of upper mold mouldp2, a height of H of lower die mould of lower moldd2, system is according to formula (1) calculating
Go out upper mold adjustment difference △ P1, the adjustment position C' of the folder point of upper mold is calculated according to formula (2)p1, calculated according to formula (3)
The adjustment position Y ' of upper mold blockn1, lower die adjustment difference △ P are calculated according to formula (4)2, lower die is calculated according to formula (5)
Folder point adjustment position C'p2, the adjustment position Y ' of lower die block is calculated according to formula (6)n2, subsequently into step 8；
Step 8, program all in polling routine library, judges whether the program 1 after replacement upper mold exceeds the range of program library,
Whether there is matched mold with the mold contrast judgement in program library, until after the mold of the program m in program library and replacement
Upper mold matches, then changeover program m is present procedure, and enters step 9, wherein m ∈ [1, n] and m is integer；
Step 9, judge whether stop location can adjust, if stop location cannot be adjusted, then repeatedly step 8, as stop location can
Adjustment, then enter step 10；
Step 10, the corresponding clamping point positions more new procedures m；
Step 11, the more stop location of new procedures m；
Step 12, system cut-off, and store all program adjustment states and the high difference of program mould；
Step 13, restart system, and the program that read step 12 stores adjusts state and the high difference of program mould.
2. according to the method described in claim 1, it is characterized in that：Program all in polling routine library in the step 8
Including,
Step 8.1, whether determining program 1 exceeds the range of program library, and the range such as program 1 without departing from program library then enters step
Rapid 8.2；
Step 8.2, the mold in program 1 is compared with the mold of a certain program in program library pair, such as the mold and institute's ratio in program 1
To mold mismatch, then repeatedly step 8.2, by the mold of other programs not compared in the mold and program library in program 1
Compared to pair, if the mold of certain program in the mold and program library in program 1 matches, then 8.3 are entered step；
Step 8.3, judge whether the high difference of mould is 0, if the high difference of mould is 0, then update corresponding program mould height difference, the program pair
The stop location answered is adjustable state, and repeats step 8；If the high difference of mould is not 0, then step 8 is directly repeated.
3. according to the method described in claim 1, it is characterized in that：Registration value C in clamping point position in the step 1pDetermination
Including,
Step 1.1, bending angle is set as 180 °；
Step 1.2, one block of plank is placed between upper mold and lower mold；
Step 1.3, the position for adjusting the block of bender, when the sliding block of bender being made to reach stop location, upper mold and lower die
Tool just clamps plank while plank is without deformation；
Step 1.4, in recording step 1.3 block position, the position of block in step 1.3 is added to obtain with the thickness of plank
Stop location when upper mold and lower mold cramping, stop location when taking upper mold and lower mold cramping be current upper mold and
Lower mold is shown below to teach clamping point position Cp。
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| CN201711381103.7A CN108273874B (en) | 2017-12-20 | 2017-12-20 | The method of the clamping point and stop location adjust automatically of bending machine |
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| CN113172132A (en) * | 2021-04-14 | 2021-07-27 | 新代科技(苏州)有限公司 | Bending machine die size deviation self-calculation method |
| CN114653801A (en) * | 2022-05-06 | 2022-06-24 | 新代科技(苏州)有限公司 | Method for calculating clamping point by die assembly of bending machine |
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| CN108273874B (en) | 2019-08-02 |
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