CN109332435A - A kind of bending machine workbench accurate bidirectional apparatus for compensating mechanical flexibility and preparation method thereof - Google Patents
A kind of bending machine workbench accurate bidirectional apparatus for compensating mechanical flexibility and preparation method thereof Download PDFInfo
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- CN109332435A CN109332435A CN201811480138.0A CN201811480138A CN109332435A CN 109332435 A CN109332435 A CN 109332435A CN 201811480138 A CN201811480138 A CN 201811480138A CN 109332435 A CN109332435 A CN 109332435A
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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
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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
- B21D37/01—Selection of materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q23/00—Arrangements for compensating for irregularities or wear, e.g. of ways, of setting mechanisms
Abstract
The invention discloses a kind of bending machine workbench accurate bidirectional apparatus for compensating mechanical flexibilities and preparation method thereof, belong to bending machine technical field.It includes inclined board, declined board and regulating mechanism, the upper surface of declined board is provided with the second longitudinal direction inclined-plane with the cooperation of first longitudinal direction inclined-plane, the slope on first longitudinal direction inclined-plane and second longitudinal direction inclined-plane successively decreases from centre to both ends, two adjacent second longitudinal direction inclined-planes are connected by arc surface, and the radian of arc surface is incremented by by centre to both ends；The lower surface of inclined board and the upper surface of declined board are transversely equipped with the identical first lateral inclined-plane of a pair of of slope and the second lateral inclined-plane；Regulating mechanism for changing inclined board and declined board along longitudinal direction with lateral relative position.Using the upper skewback transverse shifting of lower the skewback longitudinal movement and segment of double gradient of whole diclinic degree, the compensation of workbench each point difference deflection value is realized, to meet different accurate sheet metal component forming requirements.
Description
Technical field
The invention belongs to bending machine technical fields, more specifically to bending machine workbench accurate bidirectional mechanical bending deflection
Compensation device and preparation method thereof.
Background technique
During carrying out bending to plate, the stress that often inevitably there is own infrastructure causes to slide bending machine
Block generates flexible deformation, although deflection is extremely small, for high-precision bending workpieces, work piece is still easy to produce
Raw deflection deformation, not can guarantee the overall length consistency of angle.For it is traditional with the hydraulic bending machine for force source for, due to
The force of oil cylinder is uneven, in bending process, workpiece can be made to generate an amount of deflection, and overlength Bending Mould in the longitudinal direction
It is also commonly used for the shorter workpiece of bending, upper mold is will cause in this way and only exerts a force at the intermediate position of lower die, after long-time service, be easy
It causes workbench centre position recessed, has also seriously affected the straightness of workpiece.
In order to solve this problem, one can strengthen stiffness of fuselage and intensity using increase fuselage overall weight, but
Equipment cost is increased in this way, does not meet the requirement of modernization processing manufacturing industry；Second is that selection deflection compensation workstation, this side
Cost is relatively low for method, and generally there are two types of deflection compensation modes for current bending machine both domestic and external: one is more hydraulic cylinders are embedded in work
Make the hydraulic deflection compensation in platform vertical plate, add salient point few, add convex precision not high, and be easy oil leak, manufacturing cost is high；It is another then
The mechanical bending deflection compensation for adding convex voussoir to form by multiple groups, such as Chinese Patent Application No. 201120271046.9, publication date
The patent document on March 7th, 2012, discloses a kind of inclined-wedge type flexibility compensating device of bending machine, which includes upper cover plate
And pedestal, rectangular channel is opened up along its length on pedestal, lower planker is installed in rectangular channel, and longitudinally uniformly distributed installation is odd on lower planker
Array wedge mechanism, each wedge mechanism are successively folded on lower planker by successively the inclined wedge II of closed assembly and inclined wedge I form from bottom to top
Rectangle parallels, upper planker are filled, voussoir I is uniformly nested on planker, and upper cover plate is fixedly connected by screw with inclined wedge I；For another example
Chinese Patent Application No. 201120283867.4, the patent document in publication date on March 21st, 2012 disclose a kind of bending machine and use
Flexibility compensating device, which includes upper cover plate and pedestal, rectangular channel is opened up along its length on pedestal, in this rectangular channel
Longitudinal gap uniformly installs odd number group wedge mechanism, and each wedge mechanism is by the successively inclined wedge of closed assembly and circular arc cover board from bottom to top
Composition.
Above-mentioned patent discloses the specific structure of skewback or voussoir, and the quantity of skewback or voussoir is muti-piece, and this point
The structure of body formula be easy to cause cumulative errors, to not can guarantee machining accuracy；In addition, for some high-precision sheet metal components,
Since workpiece causes the overall length consistency of workpiece bending angle poor, workpiece because generating deflection deformation in bending machine bending process
Straightness is poor, however in this case, skewback or voussoir can only transversely be adjusted, and cannot achieve longitudinal adjusting, make
The requirement used is not achieved at the precision of sheet metal component.
Summary of the invention
1. to solve the problems, such as
Skewback or voussoir for prior art compensation device are split type structure, be easy to cause cumulative errors, can not
Guarantee machining accuracy；And can only transversely be adjusted, it cannot achieve longitudinal adjusting, cause the workpiece bending angle of sheet metal component
The problem of poor, workpiece the straightness difference of the overall length consistency of degree, it is accurate that the object of the present invention is to provide a kind of bending machine workbenchs
Two-way mechanical flexibility compensating device, inclined board and declined board are overall structure, eliminate or offset accumulated error, make scratching for workpiece
The deformation of the actural deflection of degree compensation rate and workpiece matches, and guarantees the overall length consistency of workpiece bending angle and the straight line of workpiece
Degree.
It is a further object of the present invention to provide a kind of production of bending machine workbench accurate bidirectional apparatus for compensating mechanical flexibility
The mismachining tolerance of method, simplified manufacture craft, inclined board and declined board is small, and cooperates close, elimination or counteracting accumulated error.
2. technical solution
To solve the above-mentioned problems, the technical solution adopted in the present invention is as follows:
A kind of bending machine workbench accurate bidirectional apparatus for compensating mechanical flexibility of the invention, including inclined board, declined board and
Regulating mechanism, the inclined board are divided into several segments, and lower surface is provided with towards longitudinal first longitudinal direction inclined-plane, and described is oblique
Plate is overall structure, and the upper surface of the declined board is provided with the second longitudinal direction inclined-plane with the cooperation of first longitudinal direction inclined-plane, described
The slope on first longitudinal direction inclined-plane and second longitudinal direction inclined-plane from centre to both ends by a biggish slope K j be reduced to one compared with
Small slope K i, two adjacent second longitudinal direction inclined-planes are connected by arc surface, and the radian of arc surface is by centre to both ends by one
Lesser radian Ri increases to a biggish radian Rj；The lower surface of the inclined board and the upper surface of declined board are transversely
Equipped with the identical first lateral inclined-plane of a pair of of slope and the second lateral inclined-plane；The regulating mechanism is for changing inclined board and oblique
Plate along longitudinal direction with lateral relative position.
In a kind of possible embodiment of the present invention, further includes cover board, rectangular channel is provided on the cover board, it is described
Inclined board and declined board cooperation is placed in the rectangular channel and mutual arranged concentric, inclined board and declined board are along rectangular channel
Transverse shifting；The width of the inclined board is less than the width of rectangular channel, and the width of declined board is equal to the width of rectangular channel.
It further include pedestal in a kind of possible embodiment of the present invention, it is opposite along longitudinal direction between the pedestal and cover board
Fixed, pedestal limits inclined board in the movement of longitudinal direction；The regulating mechanism includes longitudinal adjustment apparatus and lateral adjustments
One group of lateral adjustment device is at least arranged in device, the side of the cover board along longitudinal direction, and every group of lateral adjustment device includes a tune
Save screw；The adjusting screw passes through cover board side and enters the inside of inclined board, and is threadedly coupled with inclined board；Longitudinal tune
Regulating device includes screw rod, and screw rod connects one end of declined board, drives declined board to move longitudinally by the rotation of screw rod.
In a kind of possible embodiment of the present invention, the slope K on the first longitudinal direction inclined-plane is linear, convex or concave
Reduce；The radian R of the arc surface is linear, convex or concave increase.
In a kind of possible embodiment of the present invention, the interior surface of the rectangular channel is applied by surface treatment or surface
Layer is to enhance its wear-resisting property.
In a kind of possible embodiment of the present invention, the coating is nonmetallic coating, coating with a thickness of 0.05-
0.08mm。
In a kind of possible embodiment of the present invention, the gradient maxima Kj on the first longitudinal direction inclined-plane is according to workbench
Maximum compensation rate determine, slope minimum value Ki be tan (0.08 °).
In a kind of possible embodiment of the present invention, the inclined board is identical with the material of declined board, by high-strength
Degree steel working process obtains.
The present invention also provides a kind of production method of above-mentioned bending machine workbench accurate bidirectional apparatus for compensating mechanical flexibility,
Comprising steps of
S101, the plate for choosing two pieces of identical high strength steel materials, wherein the carbon by weight percentage in high strength steel contains
Amount is 0.17-0.37% not less than 0.42%, Si content；Mn content is 0.50-0.80%；Cr content≤0.25%；Ni content
≤ 0.30%；Cu content≤0.25%, remainder are Fe；
S102, on numerically-controlled machine tool, determine inclined board one end be machining starting point, using facade processing inclined board first
Longitudinal inclined-plane, wherein each depth of cut L=[W (C)/W (Si)] * 0.1, unit mm；Feeding speed V=[(W (C)+W
(Mn))/W (Si)] * 500, unit mm/min, W (C), W (Mn), W (Si) indicate weight percent, first longitudinal direction inclined-plane
Slope K determines that different segmentation values, the maximum value of sag curve are determined by the maximum compensation rate of workbench according to sag curve,
Minimum value is tan (0.08 °)；
S103, the first lateral inclined-plane using facade processing inclined board, wherein each depth of cut L=[W (C)/W
(Si)] * 0.05, unit mm；Feeding speed V=[(W (C)+W (Mn))/W (Si)] * 300, unit mm/min, W (C), W
(Mn), W (Si) indicates weight percent；
S104, the other end for determining that declined board corresponds to inclined board are machining starting point, using the second of facade processing declined board
Longitudinal inclined-plane, wherein each depth of cut L=[W (C)/W (Si)] * 0.1, unit mm；Feeding speed V=[(W (C)+W
(Mn))/W (Si)] * 500, unit mm/min, W (C), W (Mn), W (Si) indicate weight percent；
S105, the second lateral inclined-plane using facade processing declined board, wherein each depth of cut L=[W (C)/W
(Si)] * 0.05, unit mm；Feeding speed V=[(W (C)+W (Mn))/W (Si)] * 300, unit mm/min, W (C), W
(Mn), W (Si) indicates weight percent.
3. beneficial effect
Compared with the prior art, the invention has the benefit that
(1) bending machine workbench accurate bidirectional apparatus for compensating mechanical flexibility of the invention, utilizes the oblique of whole diclinic degree
The upper skewback transverse shifting of block longitudinal movement and segment of double gradient, realizes the compensation of workbench each point difference deflection value, to meet
Different precision sheet metal component forming requirements；The slope on the first inclined-plane is reduced to from centre to both ends by a biggish slope K j simultaneously
One lesser slope K i, can also be further to due to can not be pre- on the basis of meeting theoretical workpiece bending deflection compensation
It surveys the variation of amount of deflection caused by operating condition and is finely adjusted compensation, substantially increase bending precision, improve the bending essence of institute's workpieces processing
Degree；Convenient for controlling vertical deflection compensated curve, compensated curve is enable to become symmetrical curve；
(2) bending machine workbench accurate bidirectional apparatus for compensating mechanical flexibility of the invention, the lower surface of inclined board and under
It is compounded with inclined-plane along longitudinal direction and transversely on the upper surface of inclined plate, deflection compensation is carried out to workpiece and deflection compensation amount is carried out
Partly-adjusting function, in this way setting greatly facilitate operation, reduce manufacturing cost, and deflection compensation and deflection compensation part
Regulatory function is combined with each other, avoid different components carry out respectively it is mutual when deflection compensation and deflection compensation local modulation work
Between formed interference, the problem for causing deflection compensation accuracy low；
(3) bending machine workbench accurate bidirectional apparatus for compensating mechanical flexibility of the invention, the slope K on first longitudinal direction inclined-plane from
Centre can be realized whole unified adjusting, the deflection compensation curve after enabling coarse adjustment is more to both ends proportion relation
It is truly reflected deflection compensation amount needed for practical work piece, which combines laterally fine tuning compensation rate, can further accurately
Solve deformation caused by workpiece bending process；
(4) bending machine workbench accurate bidirectional apparatus for compensating mechanical flexibility of the invention, pedestal and inclined board and declined board
Mutual arranged concentric guarantees the tight fit between inclined board, declined board；
(5) bending machine workbench accurate bidirectional apparatus for compensating mechanical flexibility of the invention, the inside table of the rectangular channel of pedestal
Face passes through surface treatment or surface covering to enhance its wear-resisting property, so that the service life of pedestal extends；
(6) bending machine workbench accurate bidirectional apparatus for compensating mechanical flexibility of the invention, the material of inclined board and declined board
It is identical, it avoids occurring asymmetric abrasion between inclined board or declined board, reduces abrasion bring trueness error；
(7) production method of bending machine workbench accurate bidirectional apparatus for compensating mechanical flexibility of the invention, first to upper oblique
The material of plate or declined board is selected, and the use quality of inclined board or declined board can be improved, the processing feed to inclined board
Amount and feeding speed carry out quantitative control, fully consider that the abrasion bring machining accuracy of cutter influences, to declined board use with
The processing technology of the opposite direction of inclined board can effectively cancel out trueness error caused by tool wear so that inclined board and
The cooperation of declined board is close.
Detailed description of the invention
Technical solution of the present invention is described in further detail below with reference to drawings and examples, but should
Know, these attached drawings are designed for task of explanation, therefore not as the restriction of the scope of the invention.In addition, except non-specifically
It points out, these attached drawings are meant only to conceptually illustrate structure construction described herein, without to be drawn to scale.
Fig. 1 is the structural schematic diagram of bending machine workbench accurate bidirectional apparatus for compensating mechanical flexibility of the present invention；
Fig. 2 is the structure top view of bending machine workbench accurate bidirectional apparatus for compensating mechanical flexibility of the present invention；
Fig. 3 is the sectional view of bending machine workbench accurate bidirectional apparatus for compensating mechanical flexibility of the present invention；
Fig. 4 is the deflection curve figure of one embodiment of the invention.
Description of symbols in figure:
100, inclined board；110, lower surface；120, first longitudinal direction inclined-plane；130, arc surface；140, the first lateral inclined-plane；
200, declined board；210, upper surface；220, second longitudinal direction inclined-plane；230, screw rod；240, the second lateral inclined-plane；
300, pedestal；
400, cover board；410, rectangular channel；
500, screw is adjusted.
Specific embodiment
Hereafter to the detailed description of exemplary embodiment of the present invention with reference to attached drawing, which forms one of description
Point, it has been shown as example enforceable exemplary embodiment of the invention in the figure.Although these exemplary embodiment quilts
Sufficiently describe in detail so that those skilled in the art can implement the present invention, it is to be understood that can realize other embodiments and
Can without departing from the spirit and scope of the present invention to the present invention various changes can be made.Hereafter to the embodiment of the present invention
More detailed description is not limited to required the scope of the present invention, and just to be illustrated and do not limit pair
The description of the features of the present invention and feature to propose to execute best mode of the invention, and is sufficient to make those skilled in the art
It can implement the present invention.Therefore, the scope of the invention is only defined by the appended claims.
Hereafter detailed description of the present invention and example embodiment are more fully understood in combination with attached drawing, wherein of the invention
Element and feature are identified by appended drawing reference.
Embodiment 1
Please refer to Fig. 1 to Fig. 3, bending machine workbench accurate bidirectional apparatus for compensating mechanical flexibility, including pedestal 300, cover board
400, inclined board 100, declined board 200 and regulating mechanism, inclined board 100 is identical with the material of declined board 200, by high strength steel
Working process obtains.
Wherein inclined board 100 divides for several segments, and lower surface 110 is provided with towards longitudinal first longitudinal direction inclined-plane 120, oblique
Plate 200 is overall structure, and the upper surface 210 of declined board 200 is provided with the second longitudinal direction inclined-plane cooperated with first longitudinal direction inclined-plane 120
220, the slope on first longitudinal direction inclined-plane 120 and second longitudinal direction inclined-plane 220 subtracts from centre to both ends by a biggish slope K j
It is few to be determined to a lesser slope K i, the gradient maxima Kj on first longitudinal direction inclined-plane 120 according to the maximum compensation rate of workbench,
Slope minimum value Ki is tan (0.08 °), and two adjacent second longitudinal direction inclined-planes 220 are connected by arc surface 130, arc surface 130
Radian increases to a biggish radian Rj by a lesser radian Ri by centre to both ends.
Further, the lower surface 110 of inclined board 100 and the upper surface 210 of declined board 200 are transversely equipped with a pair of of slope
Identical first lateral inclined-plane 140 and the second lateral inclined-plane 240；Regulating mechanism is for changing 200 edge of inclined board 100 and declined board
The relative position of vertical and horizontal.
In addition, the slope K on first longitudinal direction inclined-plane 120 is linear, convex or concave reduce；The radian R of the arc surface 130
Linearly, convex or concave increase.
Further, rectangular channel 410 is provided on pedestal 300, inclined board 100 and the cooperation of declined board 200 are placed on described
Rectangular channel 410 in and mutual arranged concentric, inclined board 100 and declined board 200 are along 410 transverse shifting of rectangular channel；Inclined board 100
Width be less than the width of rectangular channel 410, the width of declined board 200 is equal to the width of rectangular channel 410, the inside of rectangular channel 410
Surface is by surface treatment or surface covering to enhance its wear-resisting property.Its floating coat be nonmetallic coating, coating with a thickness of
0.05-0.08mm。
Further, relatively fixed along longitudinal direction between cover board 400 and pedestal 300, cover board 400 limits inclined board 100 vertical
Movement to direction；Regulating mechanism includes longitudinal adjustment apparatus and lateral adjustment device, and the side of pedestal 300 is at least set along longitudinal direction
One group of lateral adjustment device is set, every group of lateral adjustment device includes an adjusting screw 500；It adjusts screw 500 and passes through pedestal 300
Side enters the inside of inclined board 100, and is threadedly coupled with inclined board 100；Longitudinal adjustment apparatus includes screw rod 230, screw rod 230
The one end for connecting declined board 200 drives declined board 200 to move longitudinally by the rotation of screw rod 230.
Embodiment 2
The production method of bending machine workbench accurate bidirectional apparatus for compensating mechanical flexibility of the present invention, comprising steps of
S101, the plate for choosing two pieces of identical high strength steel materials, 45# carbon steel chemistry ingredient: C content 0.50%；Si
Content is 0.2%；Mn content 0.5%；Cr content≤0.25%；Ni content≤0.30%；Cu content≤0.25%, remainder are
Fe。
S102, on numerically-controlled machine tool, determine inclined board 100 one end be machining starting point, using facade process inclined board 100
The first inclined-plane 120, wherein each depth of cut L1=[W (C)/W (Si)] * 0.1=0.5/0.2*0.1=0.25mm；Feed
Speed V1=[(W (C)+W (Mn))/W (Si)] * 500=(0.5+0.5)/0.2*500=2500mm/min, W (C), W (Mn), W
(Si) weight percent is indicated, the slope K on first longitudinal direction inclined-plane 120 determines different segmentation values according to sag curve, scratches
The maximum value of line of writing music is determined that minimum value is tan (0.08 °), and sag curve is as shown in Figure 4 by the maximum compensation rate of workbench；
S103, the first lateral inclined-plane 140 using facade processing inclined board 100, wherein each depth of cut L2=[W
(C)/W (Si)] * 0.05=0.5/0.2*0.05=0.125mm；Feeding speed V2=[(W (C)+W (Mn))/W (Si)] * 300=
(0.5+0.5)/0.2*300=1500mm/min, W (C), W (Mn), W (Si) indicate weight percent；
S104, the other end for determining the corresponding inclined board 100 of declined board 200 are machining starting point, process declined board using facade
200 the second inclined-plane 220, wherein each depth of cut L3=[W (C)/W (Si)] * 0.1=0.5/0.2*0.1=0.25mm；It walks
Knife speed V3=[(W (C)+W (Mn))/W (Si)] * 500=(0.5+0.5)/0.2*500=2500mm/min, W (C), W (Mn),
W (Si) indicates weight percent.
S105, the second lateral inclined-plane 240 using facade processing declined board 200, wherein each depth of cut L4=[W
(C)/W (Si)] * 0.05=0.5/0.2*0.05=0.125mm, feeding speed V4=[(W (C)+W (Mn))/W (Si)] * 300=
(0.5+0.5)/0.2*300=1500mm/min, W (C), W (Mn), W (Si) indicate weight percent.
Embodiment 3
The production method of bending machine workbench accurate bidirectional apparatus for compensating mechanical flexibility of the present invention, comprising steps of
S101, the plate for choosing two pieces of identical high strength steel materials, 60# carbon steel chemistry ingredient: C content 0.6%；Si contains
Amount is 0.2%；Mn content 0.6%；Cr content≤0.25%；Ni content≤0.30%；Cu content≤0.25%, remainder are Fe；
S102, on numerically-controlled machine tool, determine inclined board 100 one end be machining starting point, using facade process inclined board 100
First longitudinal direction inclined-plane 120, wherein each depth of cut L1=[W (C)/W (Si)] * 0.1=0.6/0.2*0.1=0.3mm；It walks
Knife speed V1=[(W (C)+W (Mn))/W (Si)] * 500=(0.6+0.6)/0.2*500=3000mm/min, W (C), W (Mn),
W (Si) indicates weight percent, and the slope K on first longitudinal direction inclined-plane 120 determines different segmentation values according to sag curve, scratches
The maximum value of line of writing music is determined that minimum value is tan (0.08 °) by the maximum compensation rate of workbench；
S103, the first lateral inclined-plane 140 using facade processing inclined board 100, wherein each depth of cut L2=[W
(C)/W (Si)] * 0.05=0.6/0.2*0.05=0.15mm, unit mm；Feeding speed V2=[(W (C)+W (Mn))/W
(Si)] * 300=(0.6+0.6)/0.2*300=1800mm/min, unit mm/min, W (C), W (Mn), W (Si) are indicated
Weight percent；
S104, the other end for determining the corresponding inclined board 100 of declined board 200 are machining starting point, process declined board using facade
200 second longitudinal direction inclined-plane 220, wherein each depth of cut L3=[W (C)/W (Si)] * 0.1=0.6/0.2*0.1=
0.3mm, feeding speed V3=[(W (C)+W (Mn))/W (Si)] * 500, W (C), W (Mn), W (Si) indicate weight percent；
S105, the second lateral inclined-plane 240 using facade processing declined board 200, wherein each depth of cut L4=[W
(C)/W (Si)] * 0.05=(0.6+0.6)/0.2*500=3000mm/min, feeding speed V4=[(W (C)+W (Mn))/W
(Si)] * 300=(0.6+0.6)/0.2*300=1800mm/min, W (C), W (Mn), W (Si) indicate weight percent.
Multiple batches of flexibility compensating device is produced using above-described embodiment 2 and embodiment 3, then by the flexibility compensating device
For the production of bending machine, such as 1000 products of production, trueness error control is in ± 0.05mm, the wherein qualification rate rate of product
It is maintained at 99.95%, therefore there is good using effect.
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 bending machine workbench accurate bidirectional apparatus for compensating mechanical flexibility, including inclined board (100), declined board (200) and
Regulating mechanism, which is characterized in that the inclined board (100) is divided into several segments, and lower surface (110) are provided with towards longitudinal the
One longitudinal inclined-plane (120), the declined board (200) is overall structure, and the upper surface (210) of the declined board (200) is set
It is equipped with the second longitudinal direction inclined-plane (220) with first longitudinal direction inclined-plane (120) cooperation, the first longitudinal direction inclined-plane (120) and second are indulged
It is reduced to a lesser slope K i from centre to both ends by a biggish slope K j to the slope of inclined-plane (220), it is adjacent
Two second longitudinal direction inclined-planes (220) by arc surface (130) be connected, the radian of arc surface (130) is by centre to both ends by one
Lesser radian Ri increases to a biggish radian Rj；The lower surface (110) of the inclined board (100) and declined board
(200) upper surface (210) is transversely equipped with the identical first lateral inclined-plane (140) of a pair of of slope and the second lateral inclined-plane
(240)；The regulating mechanism for changing inclined board (100) and declined board (200) along longitudinal direction with lateral relative position.
2. bending machine workbench accurate bidirectional apparatus for compensating mechanical flexibility according to claim 1, which is characterized in that also wrap
It includes cover board (400), is provided on the cover board (400) rectangular channel (410), the inclined board (100) and declined board (200)
Cooperation is placed in the rectangular channel (410) and mutual arranged concentric, and inclined board (100) and declined board (200) are along rectangular channel
(410) transverse shifting；The width of the inclined board (100) is less than the width of rectangular channel (410), the width etc. of declined board (200)
Width in rectangular channel (410).
3. bending machine workbench accurate bidirectional apparatus for compensating mechanical flexibility according to claim 1 or 2, which is characterized in that
It further include pedestal (300), it is relatively fixed along longitudinal direction between the pedestal (300) and cover board (400), it is oblique in pedestal (300) limitation
Movement of the plate (100) in longitudinal direction；The regulating mechanism includes longitudinal adjustment apparatus and lateral adjustment device, the cover board
(400) one group of lateral adjustment device is at least arranged in side along longitudinal direction, and every group of lateral adjustment device includes an adjusting screw
(500)；Described adjust screw (500) pass through the inside that bottom plate (400) side enters inclined board (100), and and inclined board
(100) it is threadedly coupled；The longitudinal adjustment apparatus includes screw rod (230), and screw rod (230) connects the one end of declined board (200), is led to
The rotation for crossing screw rod (230) drives declined board (200) to move longitudinally.
4. bending machine workbench accurate bidirectional apparatus for compensating mechanical flexibility according to claim 3, which is characterized in that described
The slope K on first longitudinal direction inclined-plane (120) is linear, convex or concave reduce；The radian R of the arc surface (130) is linear, convex
Shape or concave increase.
5. bending machine workbench accurate bidirectional apparatus for compensating mechanical flexibility according to claim 2, which is characterized in that described
The interior surface of rectangular channel (410) is by surface treatment or surface covering to enhance its wear-resisting property.
6. bending machine workbench accurate bidirectional apparatus for compensating mechanical flexibility according to claim 5, which is characterized in that described
Coating be nonmetallic coating, coating with a thickness of 0.05-0.08mm.
7. bending machine workbench accurate bidirectional apparatus for compensating mechanical flexibility according to claim 1 or 2, which is characterized in that
The gradient maxima Kj of the first longitudinal direction inclined-plane (120) determines that slope minimum value Ki is according to the maximum compensation rate of workbench
tan(0.08°)。
8. bending machine workbench accurate bidirectional apparatus for compensating mechanical flexibility according to claim 1 or 2, which is characterized in that
The inclined board (100) is identical with the material of declined board (200), is obtained by high strength steel working process.
9. a kind of system of bending machine workbench accurate bidirectional apparatus for compensating mechanical flexibility as claimed in any one of claims 1 to 8
Make method, comprising steps of
S101, the plate for choosing two pieces of identical high strength steel materials, wherein the carbon content by weight percentage in high strength steel is not
It is 0.17-0.37% lower than 0.42%, Si content；Mn content is 0.50-0.80%；Cr content≤0.25%；Ni content≤
0.30%；Cu content≤0.25%, remainder are Fe；
S102, on numerically-controlled machine tool, determine inclined board (100) one end be machining starting point, using facade process inclined board (100)
First longitudinal direction inclined-plane (120), wherein each depth of cut L1=[W (C)/W (Si)] * 0.1, unit mm；Feeding speed V1
=[(W (C)+W (Mn))/W (Si)] * 500, unit mm/min, W (C), W (Mn), W (Si) indicate weight percent, first
The slope K of longitudinal inclined-plane (120) determines different segmentation values according to sag curve, and the maximum value of sag curve is by workbench
Maximum compensation rate determines that minimum value is tan (0.08 °)；
S103, the first lateral inclined-plane (140) using facade processing inclined board (100), wherein each depth of cut L2=[W
(C)/W (Si)] * 0.05, unit mm；Feeding speed V3=[(W (C)+W (Mn))/W (Si)] * 300, unit mm/min, W
(C), W (Mn), W (Si) indicate weight percent；
S104, the other end for determining declined board (200) corresponding inclined board (100) are machining starting point, process declined board using facade
(200) second longitudinal direction inclined-plane (220), wherein each depth of cut L3=[W (C)/W (Si)] * 0.1, unit mm；Feed speed
V3=[(W (C)+W (Mn))/W (Si)] * 500 is spent, unit mm/min, W (C), W (Mn), W (Si) indicate weight percent；
S105, the second lateral inclined-plane (240) using facade processing declined board (200), wherein each depth of cut L4=[W
(C)/W (Si)] * 0.05, unit mm；Feeding speed V4=[(W (C)+W (Mn))/W (Si)] * 300, unit mm/min, W
(C), W (Mn), W (Si) indicate weight percent.
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| CN112547858A (en) * | 2020-12-23 | 2021-03-26 | 安徽力源数控刃模具制造有限公司 | Deflection compensation device convenient for fixing workbench |
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