CN208178280U - A kind of door-plate quadrangle automatic press-riveting device based on assembly line - Google Patents
A kind of door-plate quadrangle automatic press-riveting device based on assembly line Download PDFInfo
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- CN208178280U CN208178280U CN201820735995.XU CN201820735995U CN208178280U CN 208178280 U CN208178280 U CN 208178280U CN 201820735995 U CN201820735995 U CN 201820735995U CN 208178280 U CN208178280 U CN 208178280U
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Abstract
The utility model discloses a kind of door-plate quadrangle automatic press-riveting device based on assembly line, including mainframe, the conveying mechanism docked with assembly line is installed on mainframe, has been sequentially arranged on the mainframe along conveying mechanism and has moved side riveting component and affixed side riveting component；The mobile side riveting component and affixed side riveting component includes two sets of pressure riveting devices, is symmetrically distributed in the two sides of conveying mechanism, the quadrangle for door-plate rivets；The pressure riveting device includes fixed frame, and it is arranged on fixed frame: makees the intermediate plate of translational motion, along the liftable mounting plate of intermediate plate lifting, the driver that presses on liftable mounting plate is set, and is mounted on the riveting die component to press on driver and for the operation that presses.The utility model eliminates the use of self-plugging rivet, has saved cost, and automated production greatly improves production efficiency, and can ensure that the stability of product quality.
Description
Technical field
The utility model relates to sheet metal processing fields, and in particular to a kind of door-plate quadrangle automatic press-riveting company based on assembly line
Connection device.
Background technique
Metal plate is (usually in a kind of comprehensive cold machining process of 3mm or less), including to cut, rush/cutting/for sheet metal and answer
It closing, folding, welding, riveting, splicing, molding (such as body of a motor car), sheet metal component refers to the product processed using sheet metal process,
Sheet metal component consistency of thickness everywhere is widely applied in machinery field.
In some cases, sheet metal component, in order to reinforce the intensity of workpiece, is needed the certain of sheet metal component after bending and molding
Position is attached reinforcing, if door of elevator quadrangle connect, common connection type as shown in Figure 1, self-plugging rivet connect, by
Man-hour manually hand-held hand riveter is sequentially completed the self-plugging rivet of quadrangle.Since workpiece is longer, the self-plugging rivet connection at workpiece both ends is completed,
Longer time need to be spent, because self-plugging rivet is consumables, increases the cost of product.
Utility model content
The utility model provides a kind of door-plate quadrangle automatic press-riveting device based on assembly line, dock preceding road shear, punching,
Bending process, the automatic conveying and positioning, workpiece pressing after conveying in place, subsequent pressure riveting device that can be realized door-plate decline automatically
Press, completion press movement after retract, door-plate flow into next procedure.
A kind of door-plate quadrangle automatic press-riveting device based on assembly line, including mainframe, are equipped on mainframe and flowing water
The conveying mechanism of line docking；
It has been sequentially arranged on the mainframe along conveying mechanism and has moved side riveting component and affixed side riveting component；It is described
Mobile side riveting component and affixed side riveting component include two sets of pressure riveting devices, be symmetrically distributed in the two sides of conveying mechanism；
The pressure riveting device includes fixed frame, and is arranged on fixed frame:
Make the intermediate plate of translational motion,
The liftable mounting plate gone up and down along the intermediate plate,
The driver that presses on liftable mounting plate is set,
And it is mounted on the riveting die component to press on driver and for the operation that presses.
In the application, after door-plate conveying in place, by four casing pressures in mobile side riveting component and affixed side riveting component
It is riveted and sets while operation, the quadrangle of end of door plate press.When being pressed, make the liftable mounting plate band dynamic pressure of elevating movement
Riveting die assembly enters the locating height of door-plate, then riveting die component is sent into riveting point by the intermediate plate by making translational motion, most
Riveting die component is pushed to carry out the operation that presses by the driver that presses afterwards, door-plate exports after completion presses operation, into lower road
Process.
The utility model is riveted by affixed side in the pressure riveting device on component and mobile side riveting component, riveting die group
Part rises after completion presses operation to be resetted, and pressing for workpiece not only may be implemented and connected but also do not influence the shifting of workpiece in the horizontal direction
It is dynamic.
In the application, since door-plate quadrangle need to rivet simultaneously, four sets of pressure riveting devices energy independent control simultaneously is completed to press
Riveting movement, for convenient for control, the structure of four sets of pressure riveting devices is identical.
Preferably, the mobile side riveting component and affixed side riveting component all has and consolidates with what mainframe was fixed
Determine side frame, two sets of pressure riveting devices are movably arranged on fixed side frame, the fixed frame of every set pressure riveting device and fixed side frame
Between be equipped with adjust two sets of pressure riveting device spacing width adjusting mechanism.
Due to door-plate width there are two types of or sizes, with group pressure riveting device allow for carry out width tune
It is whole, convenient for being applicable in the door-plate of different in width.Above-mentioned width adjusting mechanism can be using the side such as cylinder, electric cylinders or servo-drive
Formula.
Preferably, the width adjusting mechanism includes: the fixed block between two sets of pressure riveting devices, it is located at every set
Slide block guide rail component I between the fixed frame of pressure riveting device and fixed side frame；It is separately fixed at the fixed frame of every set pressure riveting device
On tune width cylinder, two fixed blocks for adjusting the opposite connection in the shaft end of wide cylinders described.
The application preferably uses cylinder to drive, and cylinder adjustment can be used for the few occasion of width type, and electric cylinders or servo are driven
It is dynamic to can be used for width type mostly and size continuously adjustable occasion.
Preferably, the described mobile side riveting component and or affixed side riveting component in length adjustment machine is installed
Structure drives pressure riveting device in the mobile side riveting component and or affixed side riveting component to be moved forward and backward, for adjusting two casing pressures
It is riveted the length set.
The length adjusting mechanism is for controlling in mobile side riveting component and affixed side riveting component before pressure riveting device
After move, adjust two sets of pressure riveting devices length, to adapt to the riveting of different length door-plate.Length adjusting mechanism can be installed only
Component is riveted in mobile side riveting component or affixed side, mobile side riveting component and affixed side riveting group can also be mounted on simultaneously
Part.
In the application, length adjusting mechanism can be driven using modes such as cylinder, electric cylinders or servo-drives.
It is all had and mainframe fixation as further, described mobile side riveting component and affixed side riveting component
Fixed side frame, two sets of pressure riveting devices are movably arranged on fixed side frame, and the length adjusting mechanism includes: movable setting
Servo mechanism mounting plate on fixed side frame；Cunning between the fixed frame and servo mechanism mounting plate of the pressure riveting device
Block guide assembly II；And be mounted on the servo mechanism mounting plate, for driving the fixed frame to pacify with respect to servo mechanism
Loading board mobile servo motor and screw component.
It is preferred that using servo-drive form, the point position to press can continuously be adjusted, and can correct due to material
Itself is rushed, the workpiece deviation of folding technique together.
Preferably, the affixed side, which rivets, is equipped with the gear shutdown that gear stops door-plate position on the pressure riveting device in component
Structure block and drives the gear of flexible block to stop the supple of gas or steam cylinder including stretching.When door-plate input, the setting set to gear off-position makes to fix
The riveting point position that side rivets component is relatively fixed, advantageously ensures that the stability of product quality.
Preferably, being equipped with door-plate hold-down mechanism on the fixed frame of the pressure riveting device, including compact heap and compression
Cylinder.After door-plate conveying in place, door-plate is fixed by hold-down mechanism, prevents the process middle door-plate offset that presses.
Preferably, the riveting die component includes upper die head and lower die head, lower die head has cooperation upper die head
The step to press, the two sides of step are equipped with the baffle higher than table top and resilient support fitting step side.
The driver that presses can use pneumohydraulic pressure-cylinder or hydraulic cylinder；Lower die head use side point form, and anti-rotation is set
Step；Baffle is fixed in lower die head by the spring being sleeved on pin shaft, support resilient support, is formed and is taken off convenient for pressing
It touches.
Preferably, being provided with main lifting cylinder and secondary lifting cylinder on the liftable mounting plate；Main lifting cylinder
Shaft end is connect with intermediate plate, and driving riveting die component drops to door-plate and presses point height；The shaft end of secondary lifting cylinder is connected with
The jacking block of intermediate plate is acted on, riveting die component is pushed to rise, lower die head is made to be close to riveting point.
In the application, the positioning that two groups of different cylinders realize different height is arranged in elevating mechanism, is more convenient for completing to press
Work.
Preferably, guiding bar assembly is installed between the affixed side riveting component and mobile side riveting component, point
Cloth is in the two sides in conveying mechanism；Being oriented to bar assembly includes directive wheel mounting plate and directive wheel.
Due to the setting of affixed side riveting component and mobile side riveting component in the utility model, workpiece disengaging stream has been avoided
Waterline, operation have no effect on the movement of assembly line itself, therefore it is automatic both to have managed realization in the control of each cylinder concentratedly
Change, can also be semi-automatic or even manually control realization lifting and locomotive function, is conveyed by using single belt machine, with assembly line
There is higher compatible degree, production efficiency can be improved.
The utility model compared with the existing technology in manually cherry riveting, eliminate the use of self-plugging rivet, save
About cost, automated production greatly improves production efficiency, and can ensure that the stability of product quality.
Detailed description of the invention
Fig. 1 is door-plate quadrangle self-plugging rivet connection schematic diagram in the prior art；
Fig. 2 is the schematic diagram that the utility model is used for the connection of door-plate quadrangle automatic press-riveting；
Fig. 3 is the schematic diagram of the utility model middle door-plate quadrangle automatic press-riveting device；
In figure: 10, mainframe；20, belt conveyor；30, mobile side rivets component；40, it is oriented to bar assembly；50, fixed
Side rivets component；
Fig. 4 is the structure chart that affixed side rivets component；
In figure: 501, fixed side frame；502, mounting plate；503, keel；504, shelves are stopped the supple of gas or steam cylinder；505, compression cylinder is pacified
Fill seat；506, compression cylinder；
Fig. 5 is the structure chart of mobile side riveting component；
In figure: 301, mobile side frame；302, slide block assembly mounting base；303, slide block guide rail component I；304, servo mechanism
Mounting plate；305, slide block guide rail component II；306, slide block assembly mounting base II；307, screw rod fixed block；308, screw component；
309, screw rod adjustment block；310, shaft coupling；311, servo motor；312, motor mounting plate；313, wide cylinder is adjusted；314, cylinder is pacified
It shelves；315, fixed block；600, pressure riveting device；
Fig. 6 is the structure chart of pressure riveting device, and wherein a figure is side view diagram, and b figure is another side view；
In figure: 610, press driver；611, lower die head mounting base；612, upper die head mounting base；613, transition plates；614,
Liftable mounting plate；615, lifting slider component；616, intermediate plate；617, translator slider component；618, fixed frame vertical plate；619, solid
Determine frame reinforcing rib；620, fixed frame bottom plate；621, flat-removing air cyclinder；622, cylinder mounting block；623, fixed block is translated；624, transition
Block；625, lifting cylinder mounting plate；626, main lifting cylinder；627, secondary lifting cylinder；628, jacking block；629, limiter；630,
Limiter mounting blocks；800, riveting die component；
Fig. 7 is the structure chart of riveting die component；
In figure: 810, upper die head；811, lower die head；812, baffle；813, spring；814, spring catch.
Specific embodiment
The utility model is described in detail below with reference to embodiment and attached drawing, but the utility model is not limited to that.
The door-plate quadrangle automatic press-riveting device as shown in Fig. 2~7, including the belt conveyor being mounted on mainframe 10
20, affixed side riveting component 50 and mobile side rivet component 40.
As shown in figure 3, two sets of pressure riveting devices 600 are respectively set on affixed side riveting component 50 and mobile side riveting component 40,
Two sets with group are arranged using symmetrical structure.Four sets of riveting sets 600 are in distributed rectangular, while riveting door-plate quadrangle, and four sets
The energy independent control of riveting set 600 simultaneously completes the movement that presses.Using belt conveyor 20 as conveying mechanism, on mainframe 10
Belt conveyor 20 uses single belt, and head driving is easy to repair.
Guiding bar assembly 40 is installed between affixed side riveting component 50 and mobile side riveting component 30, is oriented to bar assembly 40
Including directive wheel mounting plate and directive wheel, directive wheel uses polyurethane material, protects workpiece surface.
Affixed side rivets component 50 and mobile side riveting component 40 is equipped with width adjusting mechanism, adjusts two sets of pressure riveting devices
600 width, are applicable in the door-plate of different in width.
In the present embodiment, affixed side rivets the width adjusting mechanism structure phase in component 50 and mobile side riveting component 40
Together, below by taking the width adjusting mechanism in affixed side riveting component 50 as an example.
Affixed side riveting component 50 as shown in Figure 4 includes the fixation side frame 501 being installed on mainframe 10, width tune
Complete machine structure includes the slide block assembly mounting base 302 being arranged on fixed side frame 501, and mounting plate 502 passes through slide block guide rail component
303 are connected with slide block assembly mounting base I 302.Pressure riveting device 600 is connect by keel 503 with mounting plate 502, pressure riveting device
600 arrange along axisymmetrical.Cylinder mount frame 314 is set below mounting plate 502, wide cylinder 313 is adjusted to be fixed on cylinder mount frame
On 314, cylinder shaft end is connect with fixed block 315, and cylinder movement drives cylinder mounting plate 314 and mounting plate 502 mobile, adjusts two
Cover the width between pressure riveting device 600.
Affixed side rivets component 50 and is equipped with gear stop mechanism, and the position inputted for controlling door-plate makes affixed side riveting group
The riveting point position of part is relatively fixed.Gear stop mechanism is that the gear being fixed on mounting plate 502 is stopped the supple of gas or steam cylinder 504, and gear is stopped the supple of gas or steam the drive of cylinder 504
The block of stretching motion is acted, gear stops door-plate position and presses, and keeps the riveting point position of each door-plate roughly the same.
Mobile side riveting component 30 in the present embodiment is equipped with length adjusting mechanism, for adjusting affixed side riveting component
Distance between 50 and mobile side riveting component 30, is applicable in the operation of different length door-plate.
As shown in figure 5, mobile side riveting component 30 includes the mobile side frame 301 being installed on mainframe 10, length tune
Complete machine structure includes the slide block assembly mounting base I 302 being arranged on mobile side frame 301, and servo mechanism mounting plate 304 passes through sliding block
Guide assembly I 303 is connected with slide block assembly mounting base I 302, and two column slide block guide rail components are arranged on servo mechanism mounting plate 304
Ⅱ305.Pressure riveting device 600 is connect by slide block assembly mounting base II 306 with slide block guide rail component II 305, two sets of pressure riveting devices
600 arrange along axisymmetrical, and screw component 308 is connect with pressure riveting device 600, and 308 both ends of screw component are solid by screw rod respectively
Determine block 307 and screw rod adjustment block 309 is connected with servo mechanism mounting plate 304, servo motor 312 passes through shaft coupling and screw component
The connection of 308 one end, servo motor 312 are connect with servo mechanism mounting plate 304.Servo motor 312 drives 308 turns of screw component
Dynamic, pressure riveting device 600 is moved forward and backward along slide block guide rail component II 305, changes affixed side riveting component 50 and mobile side riveting group
The longitudinal separation of pressure riveting device 600 in part 30.
Meanwhile in the width adjusting mechanism in mobile side riveting component 30, cylinder is set below servo mechanism mounting plate 304
Mounting rack 314 adjusts wide cylinder 313 to be fixed on cylinder mount frame 314, and cylinder shaft end is connect with fixed block 315, cylinder movement band
Dynamic cylinder mounting plate 314 and mounting plate 502 are mobile, the width being also adjustable between two sets of pressure riveting devices 600.
In the present embodiment, it is identical with 600 structure of pressure riveting device that mobile side rivets in component 30 that affixed side rivets component 50,
It elaborates below to the structure of wherein a set of pressure riveting device 600.
As shown in a figure and b figure in Fig. 6, pressure riveting device 600 includes being equipped with upper die head mounting base 612 and lower die head peace
Fill the driver 610 that presses of seat 611.The driver 610 that presses is connect by transition plates 613 with liftable mounting plate 614, lifting installation
Plate 614 is connected by lifting slider component 615 with intermediate plate 616, and lifting cylinder mounting plate is arranged in 614 upper end of liftable mounting plate
625, equipped with main lifting cylinder 626 and secondary lifting cylinder 627 on lifting cylinder mounting plate 625, main 626 one end of lifting cylinder passes through
Transition block 624 is connect with intermediate plate 616, and intermediate plate 616 is connect by translator slider component 617 with fixed frame vertical plate 618, intermediate
Flat-removing air cyclinder 621 is set on plate 616, and flat-removing air cyclinder 621 is connect by cylinder mounting block 622 with intermediate plate 616, and one end passes through flat
It moves fixed block 623 to be connected with fixed frame vertical plate 618, fixed frame vertical plate 618 and fixed frame reinforcing rib 619 and fixed frame bottom plate 620
Connection, fixed frame bottom plate 620 are connected with slide block assembly mounting base II 306.Press driver 610 can using pneumohydraulic pressure-cylinder or
Hydraulic cylinder.For the translation position for controlling intermediate plate 616, the side of fixed frame vertical plate 618 is equipped with limiter 629 and limiter is installed
Block.
As shown in fig. 7, upper die head mounting base 612 and lower die head mounting base 611 are equipped with the riveting die group of mating reaction
Part 800, riveting die component 800 include upper die head 810 and lower die head 811.Block 812, block 812 are set in lower die head 811
It is fixed in lower die head 811 by spring 813 and spring catch 814.
Affixed side rivets component 50 and mobile side riveting component 40 is equipped with door-plate hold-down mechanism.Door-plate in the present embodiment
Hold-down mechanism is mounted on the fixed frame bottom plate 620 of pressure riveting device 600, including the compression cylinder connecting with fixed frame bottom plate 620
Mounting base 505 and the compression cylinder 506 being arranged in compression cylinder mounting base 505.After door-plate conveying in place, by compression cylinder
506 driving compact heaps fix door-plate, prevent the process middle door-plate offset that presses.
The specific work process of the present embodiment middle door-plate quadrangle automatic press-riveting device is as follows:
When there is workpiece input, shelves stop the supple of gas or steam cylinder 504 stretching, workpiece in place, after 506 workpiece pressing of compression cylinder, four casing pressures
It is riveted to set 600 and start simultaneously at quadrangle and press process.
When pressure riveting device starts to press, the main retraction of lifting cylinder 626 makes the decline of driver 610 that presses, then flat-removing air cyclinder
621 stretch out, and are in the riveting point of door-plate among riveting die component 800, there are also sections for 811 range gate plate surface of lower die head at this time
Gap, then pair lifting cylinder 627 stretches out jacking block 628, and driving liftable mounting plate 614 rises, by lower die head close to door-plate surface,
And main lifting cylinder 626 is in release conditions, the driver 610 that finally presses stretches out, 811 phase interaction of upper die head 810 and lower die head
With completing to press movement.Homing action after pressing, secondary lifting cylinder 627 and main lifting cylinder 626 retract, and then translate
Cylinder 621 retracts, and then main lifting cylinder 627 stretches out, and the driver 610 that makes to press returns to initial position, and last door-plate is automatically defeated
It send to next procedure.
In the present embodiment, the wide cylinder 313 of tune on mobile side riveting component and affixed side riveting component is installed on for adjusting
The width of whole riveting point is applicable in the door-plate of different in width；The screw component 308 and servo electricity being installed on mobile side riveting component
Machine 311, for adjusting the spacing on the length direction of riveting point, to be applicable in the door-plate of different length.
The foregoing is merely the preferable implementation examples of the utility model, are not intended to limit the utility model, all in this reality
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (10)
1. a kind of door-plate quadrangle automatic press-riveting device based on assembly line, including mainframe, it is equipped on mainframe and assembly line
The conveying mechanism of docking, it is characterised in that:
It has been sequentially arranged on the mainframe along conveying mechanism and has moved side riveting component and affixed side riveting component；The shifting
Dynamic side riveting component and affixed side riveting component include two sets of pressure riveting devices, are symmetrically distributed in the two sides of conveying mechanism；
The pressure riveting device includes fixed frame, and is arranged on fixed frame:
Make the intermediate plate of translational motion,
The liftable mounting plate gone up and down along the intermediate plate,
The driver that presses on liftable mounting plate is set,
And it is mounted on the riveting die component to press on driver and for the operation that presses.
2. the door-plate quadrangle automatic press-riveting device based on assembly line as described in claim 1, which is characterized in that the movement
Side riveting component and affixed side riveting component all have the fixation side frame fixed with mainframe, two sets of pressure riveting device activity installations
On fixed side frame, the width for adjusting two sets of pressure riveting device spacing is equipped between the fixed frame of every set pressure riveting device and fixed side frame
Spend adjustment mechanism.
3. the door-plate quadrangle automatic press-riveting device based on assembly line as claimed in claim 2, which is characterized in that the width
Adjustment mechanism includes:
Fixed block between two sets of pressure riveting devices,
Slide block guide rail component I between the fixed frame and fixed side frame of every set pressure riveting device；
The tune width cylinder being separately fixed on the fixed frame of every set pressure riveting device, two adjust described in the opposite connection in the shaft end of wide cylinder
Fixed block.
4. the door-plate quadrangle automatic press-riveting device based on assembly line as described in claim 1, which is characterized in that the movement
Side riveting component and or affixed side riveting component in length adjusting mechanism is installed, drive the mobile side riveting component and or
Affixed side rivets pressure riveting device in component and is moved forward and backward, for adjusting the length of two sets of pressure riveting devices.
5. the door-plate quadrangle automatic press-riveting device based on assembly line as claimed in claim 4, which is characterized in that the movement
Side riveting component and affixed side riveting component all have the fixation side frame fixed with mainframe, two sets of pressure riveting device activity installations
On fixed side frame, the length adjusting mechanism includes:
The servo mechanism mounting plate being movably arranged on fixed side frame；
Slide block guide rail component II between the fixed frame and servo mechanism mounting plate of the pressure riveting device；
And be mounted on the servo mechanism mounting plate, for driving the fixed frame relative to the movement of servo mechanism mounting plate
Servo motor and screw component.
6. the door-plate quadrangle automatic press-riveting device based on assembly line as described in claim 1, which is characterized in that the affixed side
The gear stop mechanism that gear stops door-plate position, including flexible block and driving flexible gear are installed on the pressure riveting device in riveting component
The gear of block is stopped the supple of gas or steam cylinder.
7. the door-plate quadrangle automatic press-riveting device based on assembly line as described in claim 1, which is characterized in that the dress that presses
Door-plate hold-down mechanism, including compact heap and compression cylinder are installed on the fixed frame set.
8. the door-plate quadrangle automatic press-riveting device based on assembly line as described in claim 1, which is characterized in that described presses
Die assembly includes upper die head and lower die head, and the step that there is lower die head cooperation upper die head to press, the two sides of step, which are equipped with, to be higher than
The baffle of table top and resilient support fitting step side.
9. the door-plate quadrangle automatic press-riveting device based on assembly line as claimed in claim 8, which is characterized in that the lifting peace
Main lifting cylinder and secondary lifting cylinder are provided in loading board；The shaft end of main lifting cylinder is connect with intermediate plate, drives riveting die
Component drops to door-plate and presses point height；The shaft end of secondary lifting cylinder is connected with the jacking block for acting on intermediate plate, pushes the mould that presses
Have component to rise, lower die head is made to be close to riveting point.
10. the door-plate quadrangle automatic press-riveting device based on assembly line as described in claim 1, which is characterized in that the fixation
Guiding bar assembly is installed between side riveting component and mobile side riveting component, is distributed in the two sides of conveying mechanism；Gib block
Component includes directive wheel mounting plate and directive wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820735995.XU CN208178280U (en) | 2018-05-17 | 2018-05-17 | A kind of door-plate quadrangle automatic press-riveting device based on assembly line |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820735995.XU CN208178280U (en) | 2018-05-17 | 2018-05-17 | A kind of door-plate quadrangle automatic press-riveting device based on assembly line |
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| Publication Number | Publication Date |
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| CN208178280U true CN208178280U (en) | 2018-12-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108555163A (en) * | 2018-05-17 | 2018-09-21 | 杭州西奥电梯有限公司 | A kind of door-plate quadrangle automatic press-riveting device based on assembly line |
-
2018
- 2018-05-17 CN CN201820735995.XU patent/CN208178280U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108555163A (en) * | 2018-05-17 | 2018-09-21 | 杭州西奥电梯有限公司 | A kind of door-plate quadrangle automatic press-riveting device based on assembly line |
| CN108555163B (en) * | 2018-05-17 | 2024-05-03 | 杭州西奥电梯有限公司 | Automatic door plant four corners is pressed and is riveted device based on assembly line |
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