CN107309302A - A kind of bending machine - Google Patents
A kind of bending machine Download PDFInfo
- Publication number
- CN107309302A CN107309302A CN201710551291.7A CN201710551291A CN107309302A CN 107309302 A CN107309302 A CN 107309302A CN 201710551291 A CN201710551291 A CN 201710551291A CN 107309302 A CN107309302 A CN 107309302A
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- CN
- China
- Prior art keywords
- detection
- mould
- block
- seat
- pedestal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- B21D7/00—Bending rods, profiles, or tubes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C51/00—Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
-
- 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
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—Positioning devices
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
Abstract
The present invention relates to a kind of bending machine, including base, it is provided with base on workbench, workbench and shaped device, transporter and detection means is set.The present invention realizes the forming technique of a variety of curved surfaces of secondary mould by the Overall Reconstruction to bending machine, and the product after shaping can be detected at once, rational in infrastructure, easy to operate, greatly reduces production cost, reduces work tempo.
Description
Technical field
The present invention relates to a kind of bending machine.
Background technology
In vehicle dormer window rail bends former, existing brake forming is all to need to be worked it out with master form tool,
Each secondary mould can only correspond to a product, and the development cost of mould is higher, and existing bending machine is without detection
Whether function, product is qualified, in addition it is also necessary to gets and is detected in other detection means, cumbersome, adds work tempo.
The content of the invention
In order to overcome deficiency of the prior art, the present invention provides a kind of product that different cambered surfaces are realized on same mould
Brake forming and a kind of bending machine for being provided simultaneously with detection function.
The present invention solve its technical problem technical scheme be：
A kind of bending machine, including base, it is characterised in that：Also include,
Shaped device, shaped device includes upper die and lower die, and described upper mould connection drives the upper mould driving machine that it moves up and down
Structure, the described lower section of lower mould or so is laterally arranged in order and is provided with mould pad block, and described mould pad block lower end is connected respectively
Lower mould drive mechanism simultaneously drives it to move up and down by lower mould drive mechanism, the different height arrangement form of described mould pad block
The different curve of lower mould；
Transporter, including it is separately positioned on first transshipment acitivity and the second transshipment acitivity at lower mould two ends, the first transshipment acitivity
Include the insertion block that can be inserted into product one end respectively with the second transshipment acitivity, described insertion block is fixed on one can be on all around
On the insertion block pedestal of lower three-dimensional motion；
Detection means, including the detection machine for being arranged on the detent mechanism at shaped device rear and being arranged on above detection pedestal
Structure, detent mechanism, which includes erectting in the middle part of the detection pedestal for being slidably arranged in shaped device rear, detection pedestal, pin positioning seat, examines
Surveying the two ends setting of pedestal has the first positioning seat and the second positioning seat, and described pin positioning seat upper end is provided with contact type probe,
First positioning seat, the second positioning seat upper end are respectively fixed with tray, and the front side of tray sets the depression bar caning turn to above tray,
Described testing agency is included by detecting the detection seat that drive mechanism drives it to move up and down, and detection seat lower end is laterally arranged successively
Row are provided with vertical sensor, and the sidepiece of detection seat, which is also laterally arranged in order, is provided with lateral pickup.
Preferably, mould pad block includes front and rear longitudinally disposed lower mould support block, the front and rear of lower mould support block is indulged
It is slidably installed in both sides on cushion block slide, lower mould drive mechanism wears described cushion block slide and connects described lower mould support
Block, described lower mould support block includes support frame and is fixed on the lip block of support frame upper end, described lip block
Surface, which is set on cylinder, cushion block slide be provided with displacement transducer, described cushion block slide, is provided with displacement transducer.
Preferably, the first transshipment acitivity, the second transshipment acitivity are disposed longitudinally on first on base before and after including respectively
Track, be crossed on the first track can with respect to the first track longitudinal sliding motion the second track, slide laterally on the second track and be provided with
Pedestal is transported, the side of transhipment pedestal, which is vertically disposed with the 3rd track, the 3rd track to slide up and down, is provided with insertion block pedestal,
Fixed described insertion block on described insertion block pedestal, and described insertion block protrusion is arranged on described insertion block pedestal
On, the described insertion block of the first transshipment acitivity and the insertion block of the second transshipment acitivity is oppositely arranged.
Preferably, tray upper surface is set on rear side of plane, tray be wholely set block, the front side of tray is fixed
There is motor, motor output shaft connects described depression bar by connecting rod, and described motor output shaft rotational band dynamic pressure bar is turned to
Above tray or above removal tray, the lower end of described depression bar is provided with cushion.
Preferably, detection seat includes the sensor holder that front and rear longitudinal direction is slidably installed in detection seat, described vertical sensor, horizontal stroke
It is respectively provided to sensor on described sensor holder, and lateral pickup is located at below vertical sensor.
Preferably, being provided with thimble on lower mould, described thimble lower end connects thimble cylinder respectively.
Preferably, be provided with workbench on base, described shaped device, transporter, detection means are arranged at
On described workbench, it is provided with the top of described base in fix bar, fix bar and is fixed with mould drive mechanism, base is left
Right both sides are provided with mould slide rail, and described upper mould, which is slided up and down, is arranged on mould slide rail and connects upper mould drive mechanism
Lower end, described upper mould drive mechanism is upper mould cylinder.
Preferably, the left and right sides of base is provided with the first detection slide rail, the second detection slide rail, described detection seat is horizontal
To across set and slide up and down be arranged on detection slide rail on, detection seat two ends be respectively set to detection seat first end and detect seat
Second end, described detection drive mechanism includes the detection motor being fixed on the first detection slide rail, and detection motor output shaft connects
The first screw mandrel is connected to, detection seat first end is provided with the first screw rod bushing being set on the first screw mandrel, and detection motor output shaft is also
It is fixed with belt pulley, the second detection slide rail and the rotating wheel that belt pulley is connected by belt is set, the central shaft of rotating wheel is fixed
The second screw mandrel is connected with, described detection seat second end is provided with the second screw rod bushing for being set in the second screw mandrel.
First the radian for needing to be molded is configured, lower mould drive mechanism driving mould pad block moves to corresponding position,
Lower mould drive mechanism is that cylinder promotes lower mould support block to be slided along cushion block slide, reaches corresponding civilian post, then arranges laterally side by side
The lip block surface of row forms different curved surfaces.Upper die and lower die have the soft mode that deformation functional material is made, root for soft modeling etc.
Corresponding curved surface is formed according to mould pad block.
The section bar for needing to be molded is placed on lower mould, thimble is inserted in the positioning hole of section bar to section bar by thimble cylinder
Positioned, upper mould is descending by upper mould drive mechanism, upper mould and lower mould matched moulds, because mould is soft mode under upper mould, form foundation
The product of the curved surface of mould pad block formation, then upper mould is up by upper mould drive mechanism.Product after shaping is filled by transporting
Put to be transported in detection means and detected.Transshipment acitivity includes the first transshipment acitivity and the second conveyance for being arranged on two ends
Structure, moving at product for the insertion block pedestal progress three-dimensional at two ends, is inserted in by the insertion block inserted on block socket
Product two ends, insertion block pedestal carries out the motion of three-dimensional again, is moved to detection pedestal both sides, product is placed on into first and determined
On position seat, the tray of the second positioning seat, while being placed on contact type probe, insertion block is exited, and the contact on pin positioning seat is visited
The depression bar that pin is sensed on front side of product signal, the first positioning seat, the second positioning seat is rotated carries out compacting positioning, testing agency to product
By detecting that it is descending that drive mechanism drives, vertical sensor, lateral pickup curved surface respectively to product and side are examined
Survey, if qualified.
The three-dimensional motion of block pedestal is inserted, before and after being crossed on the second track of the first track on the first track by driving
Longitudinal sliding motion, driving transhipment pedestal on the second track left and right slide laterally, driving insertion block pedestal on the 3rd track above and below
Slide, realize three-dimensional motion.The drive mechanism of slip can drive screw mandrel to rotate and coordinate screw rod bushing mode to carry out by motor
Driving, precision is high.
The tray of detection means is set to plane, and the block of rear side carries out in rear direction spacing to it, passes through contact
Formula probe induced product signal, then sends instruction, and motor, which is rotated, drives connecting rod to rotate to drive depression bar to turn to product
Top carries out pushing down positioning to product.
The both sides of base set the first detection slide rail, the second detection slide rail respectively, and detection seat detects slide rail, second first
Detection slide rail is slided up and down, and detection motor is rotated, and drives the first screw mandrel to rotate, then the first screw rod bushing is transported above and below the first screw mandrel
It is dynamic, drive detection seat first end to move up and down, detection motor, which is rotated, drives rotating wheel to rotate, and drives the second screw mandrel to rotate, so that
The second end of detection seat of the second screw rod bushing of connection is driven to move up and down, the final up and down motion for realizing detection seat.
The beneficial effects of the present invention are：The present invention realizes a secondary mould a variety of by the Overall Reconstruction to bending machine
The forming technique of curved surface, and the product after shaping can at once be detected, it is rational in infrastructure, it is easy to operate, substantially reduce
Production cost, reduces work tempo.
Brief description of the drawings
Fig. 1 is the main structure diagram of the present invention.
Fig. 2 is Fig. 1 backsight structural representation.
Fig. 3 is the structural representation of the detent mechanism of the present invention.
Fig. 4 is the structural representation of transporter of the present invention.
Fig. 5 is the structural representation of inventive die cushion block.
Fig. 6 is the structural representation of testing agency of the present invention.
Embodiment
The present invention is described in further detail with reference to the accompanying drawings and detailed description.
As shown in Figure 1, 2, it is provided with a kind of bending machine, including base, base on workbench, workbench and shaping dress is set
Put, transporter and detection means.
Shaped device, shaped device includes being provided with the top of upper mould 3, lower mould 4, base fixed in fix bar, fix bar
There is upper mould drive mechanism 2, the base left and right sides is provided with mould slide rail, and upper mould, which is slided up and down, to be arranged on mould slide rail and connect
The lower end of mould drive mechanism is connected, upper mould drive mechanism is upper mould cylinder, naturally it is also possible to be the drive mechanisms such as hydraulic cylinder, lower mould
Lower section or so be laterally arranged in order and be provided with mould pad block 5, mould pad block lower end connects lower mould drive mechanism and passed through respectively
Lower mould drive mechanism drives it to move up and down, and upper die and lower die are respectively mould under soft mode, the different height arrangement form of mould pad block
The different curve of tool.
As shown in figure 5, mould pad block includes front and rear longitudinally disposed lower mould support block 24, lower mould support block it is front and rear
Longitudinal both sides are slidably installed on cushion block slide 26, and lower mould cylinder 27 wears cushion block slide 26 and connects described lower mould support block
24, lower mould support block includes support frame and is fixed on the lip block of support frame upper end, and lip block surface is set to post
Displacement transducer 25 is provided with face, cushion block slide.
As shown in figure 4, transporter, including it is separately positioned on first transshipment acitivity 9 and the second conveyance at lower mould two ends
Structure, the first transshipment acitivity 9 and the second transshipment acitivity include the insertion block 18 that can be inserted into product one end respectively, and insertion block is fixed on one
Can be above and below all around on the insertion block pedestal 19 of three-dimensional motion.First transshipment acitivity, the second transshipment acitivity include front and rear respectively
The first track 23 for being disposed longitudinally on base, be crossed on the first track can with respect to the first track longitudinal sliding motion the second track
22, slide laterally on the second track and be provided with transhipment pedestal 21, the side of transhipment pedestal is vertically disposed with the 3rd track 20, the 3rd
Fixed described insertion block 18 on setting insertion block pedestal 19, insertion block pedestal, and described insertion block are slided up and down on track
Protrusion is arranged on insertion block pedestal, and the insertion block of the first transshipment acitivity and the insertion block of the second transshipment acitivity are oppositely arranged.
Detection means, including the inspection for being arranged on the detent mechanism 8 at shaped device rear and being arranged on above detection pedestal
Survey mechanism 7.
As shown in figure 3, detent mechanism is included in the middle part of the detection pedestal 12 for being slidably arranged in shaped device rear, detection pedestal
Setting has pin positioning seat 13, and the two ends of detection pedestal, which are erect, the first positioning seat 34 and the second positioning seat 17, pin positioning seat upper end
Contact type probe 33 is provided with, the first positioning seat, the second positioning seat upper end are respectively fixed with tray 10, and the front side of tray is set can
The depression bar 15 turned to above tray.The upper surface of tray 10 is set on rear side of plane, tray be wholely set block 11, tray
Front side be fixed with motor 16, motor output shaft connects described depression bar 15 by connecting rod 14, and motor output shaft, which is rotated, to be driven
Depression bar is turned to above tray or removed above tray, and the lower end of depression bar is provided with cushion.
As shown in fig. 6, testing agency includes, by detecting the detection seat 28 that drive mechanism drives it to move up and down, detecting seat
Lower end, which is laterally arranged in order, is provided with vertical sensor 31, and the sidepiece of detection seat, which is also laterally arranged in order, is provided with lateral pickup
32.Detection seat includes the sensor holder 30 that front and rear longitudinal direction is slidably installed in detection seat, described vertical sensor, lateral pickup difference
It is located on described sensor holder, and lateral pickup is located at below vertical sensor.
Thimble 29 is provided with lower mould, thimble lower end connects thimble cylinder respectively.
The left and right sides of base is provided with the first detection slide rail, the second detection slide rail, and detection seat is laterally across setting and up and down
It is slidably arranged on detection slide rail, the two ends of detection seat are respectively set to detection seat first end and detect the end of seat second, described
Detection drive mechanism includes the detection motor being fixed on the first detection slide rail, and detection motor output shaft is connected with the first screw mandrel,
Detection seat first end is provided with the first screw rod bushing being set on the first screw mandrel, and detection motor output shaft is further fixed on belt pulley,
The rotating wheel that belt pulley is connected by belt is set on second detection slide rail, the central shaft of rotating wheel is fixedly connected with second
Bar, described detection seat second end is provided with the second screw rod bushing for being set in the second screw mandrel.
First the radian for needing to be molded is configured, lower mould drive mechanism driving mould pad block 5 moves to corresponding position,
Lower mould drive mechanism is that cylinder promotes lower mould support block 24 to be slided along cushion block slide 26, reaches relevant position, then laterally simultaneously
The lip block surface of row's arrangement forms different curved surfaces.
The section bar for needing to be molded is placed on lower mould 3, it is right in the positioning hole of section bar that thimble 29 is inserted in by thimble cylinder
Section bar is positioned, and upper mould is descending by upper mould drive mechanism 2, upper mould and lower mould matched moulds, because mould is soft mode, shape under upper mould
Into the product of the curved surface according to mould pad block formation, then upper mould is up by upper mould drive mechanism.Product after shaping passes through
Transporter is transported in detection means and detected.Transshipment acitivity includes the first transshipment acitivity for being arranged on two ends and second turn
Mechanism is transported, the insertion block pedestal progress three-dimensional at two ends is moved at product, by inserting the insertion block on block socket 19
18 are inserted in product two ends, and insertion block pedestal carries out the motion of three-dimensional again, is moved to detection pedestal both sides, product is placed
On the first positioning seat, the tray 10 of the second positioning seat, while being placed on contact type probe 33, insertion block 18 is exited, and first determines
Depression bar on front side of position seat, the second positioning seat is rotated to carry out pushing down positioning to product, and testing agency is by detecting that drive mechanism drives
Descending, vertical sensor 31, lateral pickup 32 curved surface respectively to product and side are detected, if qualified.
The three-dimensional motion of block pedestal is inserted, the second track 22 of the first track 23 is crossed on the first track by driving
Front and rear longitudinal sliding motion, driving transhipment pedestal left and right on the second track slides laterally, and driving insertion block pedestal is in the 3rd track 20
On slide up and down, realize three-dimensional motion.The drive mechanism of slip can drive screw mandrel to rotate and coordinate screw rod bushing side by motor
Formula is driven, and precision is high.
The tray 10 of detection means is set to plane, the block of rear side it is carried out in rear direction it is spacing, by connecing
The sensing product signal of touch probe 33 sends instruction, and then motor, which is rotated, drives connecting rod 14 to rotate to drive depression bar 15 to rotate
Product is carried out above to product to push down positioning.
The both sides of base set the first detection slide rail, the second detection slide rail respectively, and detection seat 28 detects slide rail, the first
Two detection slide rails are slided up and down, and detection motor is rotated, and drives the first screw mandrel to rotate, then the first screw rod bushing is transported above and below the first screw mandrel
It is dynamic, drive detection seat first end to move up and down, detection motor, which is rotated, drives rotating wheel to rotate, and drives the second screw mandrel to rotate, so that
The second end of detection seat of the second screw rod bushing of connection is driven to move up and down, the final up and down motion for realizing detection seat.
The present invention realizes the forming technique of a variety of curved surfaces of secondary mould by the Overall Reconstruction to bending machine, and can
It is rational in infrastructure to be detected to the product after shaping at once, it is easy to operate, production cost is greatly reduced, work is reduced
Beat.
Claims (8)
1. a kind of bending machine, including base, it is characterised in that：Also include,
Shaped device, shaped device includes upper die and lower die, and described upper mould connection drives the upper mould driving machine that it moves up and down
Structure, the described lower section of lower mould or so is laterally arranged in order and is provided with mould pad block, and described mould pad block lower end is connected respectively
Lower mould drive mechanism simultaneously drives it to move up and down by lower mould drive mechanism, the different height arrangement form of described mould pad block
The different curve of lower mould；
Transporter, including it is separately positioned on first transshipment acitivity and the second transshipment acitivity at lower mould two ends, the first transshipment acitivity
Include the insertion block that can be inserted into product one end respectively with the second transshipment acitivity, described insertion block is fixed on one can be on all around
On the insertion block pedestal of lower three-dimensional motion；
Detection means, including the detection machine for being arranged on the detent mechanism at shaped device rear and being arranged on above detection pedestal
Structure, detent mechanism, which includes erectting in the middle part of the detection pedestal for being slidably arranged in shaped device rear, detection pedestal, pin positioning seat, examines
Surveying the two ends setting of pedestal has the first positioning seat and the second positioning seat, and described pin positioning seat upper end is provided with contact type probe,
First positioning seat, the second positioning seat upper end are respectively fixed with tray, and the front side of tray sets the depression bar caning turn to above tray,
Described testing agency is included by detecting the detection seat that drive mechanism drives it to move up and down, and detection seat lower end is laterally arranged successively
Row are provided with vertical sensor, and the sidepiece of detection seat, which is also laterally arranged in order, is provided with lateral pickup.
2. a kind of bending machine according to claim 1, it is characterised in that：Described mould pad block includes front and rear longitudinally disposed
Lower mould support block, front and rear longitudinal both sides of lower mould support block are slidably installed on cushion block slide, and lower mould drive mechanism wears institute
The cushion block slide and the described lower mould support block of connection stated, described lower mould support block include support frame and are fixed on
The lip block of support frame upper end, described lip block surface is set to be provided with displacement transducer on cylinder, cushion block slide,
Displacement transducer is provided with described cushion block slide.
3. a kind of bending machine according to claim 1, it is characterised in that：Described the first transshipment acitivity, the second conveyance
Structure include respectively front and rear the first track being disposed longitudinally on base, be crossed on the first track can be with respect to the first track longitudinal sliding motion
The second track, slide laterally on the second track and be provided with transhipment pedestal, the side of transhipment pedestal is vertically disposed with the 3rd track,
Fixed described insertion block on the insertion block pedestal described in setting, described insertion block pedestal is slided up and down on 3rd track, and
Described insertion block protrusion is arranged on described insertion block pedestal, the insertion block of described the first transshipment acitivity and second turn
The insertion block of fortune mechanism is oppositely arranged.
4. a kind of bending machine according to claim 1, it is characterised in that：Described tray upper surface is set to plane, support
It has been wholely set on rear side of block on front side of block, tray and has been fixed with motor, motor output shaft connects described pressure by connecting rod
Bar, described motor output shaft rotational band dynamic pressure bar is turned to above tray or removed above tray, the lower end of described depression bar
It is provided with cushion.
5. a kind of bending machine according to claim 1, it is characterised in that：Described detection seat includes front and rear longitudinal direction and is slidably installed in
The sensor holder of seat is detected, described vertical sensor, lateral pickup are respectively provided on described sensor holder, and are laterally passed
Sensor is located at below vertical sensor.
6. a kind of bending machine according to claim 1, it is characterised in that：Thimble is provided with described lower mould, it is described
Thimble lower end connects thimble cylinder respectively.
7. a kind of bending machine according to claim 1, it is characterised in that：Workbench is provided with described base, it is described
Shaped device, transporter, detection means be arranged on described workbench, be provided with fixation at the top of described base
Mould drive mechanism is fixed with bar, fix bar, the base left and right sides is provided with mould slide rail, and described upper mould, which is slided up and down, to be set
The lower end of mould drive mechanism is put on upper mould slide rail and connects, described upper mould drive mechanism is upper mould cylinder.
8. a kind of bending machine according to claim any one of 1-7, it is characterised in that：The left and right sides of described base is set
It is equipped with the first detection slide rail, the second detection slide rail, described detection seat is laterally arranged on detection slide rail across setting and slide up and down
On, the two ends of detection seat are respectively set to detection seat first end and detect the end of seat second, and described detection drive mechanism includes solid
The detection motor on the first detection slide rail is scheduled on, detection motor output shaft is connected with the first screw mandrel, and detection seat first end is provided with
The first screw rod bushing on the first screw mandrel is set in, detection motor output shaft is further fixed on setting on belt pulley, the second detection slide rail
The rotating wheel of belt pulley is connected by belt, the central shaft of rotating wheel is fixedly connected with the second screw mandrel, described detection seat second
End is provided with the second screw rod bushing for being set in the second screw mandrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710551291.7A CN107309302B (en) | 2017-07-07 | 2017-07-07 | Bending machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710551291.7A CN107309302B (en) | 2017-07-07 | 2017-07-07 | Bending machine |
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| CN107309302A true CN107309302A (en) | 2017-11-03 |
| CN107309302B CN107309302B (en) | 2023-09-01 |
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| CN201710551291.7A Active CN107309302B (en) | 2017-07-07 | 2017-07-07 | Bending machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109500165A (en) * | 2018-11-16 | 2019-03-22 | 宁波港瑞汽车零部件有限公司 | A kind of vehicle dormer window crossbeam bend hydraulic press |
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