CN207617135U - The equipment of the seamless welding of plastic door-window - Google Patents
The equipment of the seamless welding of plastic door-window Download PDFInfo
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- CN207617135U CN207617135U CN201721789250.3U CN201721789250U CN207617135U CN 207617135 U CN207617135 U CN 207617135U CN 201721789250 U CN201721789250 U CN 201721789250U CN 207617135 U CN207617135 U CN 207617135U
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- bottom plate
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Abstract
The utility model provides a kind of equipment of the seamless welding of plastic door-window, and welding efficiency is high and welding quality is good.A kind of plastic door-window numerical control seamless welding equipment, including rack, the linear guide along the setting of rack length direction, multiple welding heads and electric cabinet being arranged in the linear guide, it is characterised in that：Welding head includes head bottom plate, lower pressing tongs unit, upper pressing tongs unit, pressing tongs feed unit, plate unit, head is leaned on to be moved forward and backward unit and welding plate device；Lower pressing tongs unit is located on head bottom plate, and the driving that head bottom plate is moved forward and backward unit by head drives welding head to be moved along rack III width directions；Upper pressing tongs unit is located above lower pressing tongs unit, and can be moved up and down relative to lower pressing tongs unit；Lower pressing tongs unit and upper pressing tongs unit include rear pressing tongs and front clamper, after the driving of pressing tongs feed unit pressing tongs with respect to front clamper closer or far from；Welding plate device can be moved up and down along rack vertical direction.
Description
Technical field
The utility model is related to a kind of welding equipments, and in particular to a kind of equipment of the seamless welding of plastic door-window belongs to
Plastic door-window technical field of processing equipment.
Background technology
With the extensive use of plastic door-window, the surface color of plastic door-window develops and what people saw outside window on the door constantly carries
Height, color coextrusion plastic material, it is more next popularize, due to plastic door-window welding be all made of ontology welding manner, traditional welding side
Formula can need to be fallen weld cleaning with special equipment, still in the welded seam for forming protrusion at window surface before being packed into hole at window
Color plastic profile or colorful covering membrane plastic material can expose the bottom surface of white since color layer is relatively thin (0.2mm) after cleaning, non-
The beauty at window is often influenced, therefore seamless welding machine occurs, but seamless welding machine domestic at present is all made of following manner：
1. the front and back feeding of pressing tongs about, at present by the way of pneumatically feeding, the position that when welding welds, use is all
Be the mode that machinery limits firmly has compressibility due to pneumatically feeding the air source of dependence；Meanwhile it being cut during seamless welding
Welding slag, it is easy to fall on the position that limits firmly of machinery, therefore the effect welded is highly susceptible to air pressure fluctuation and mechanical position limitation
Welding position cannot be reached, the unstable of welding quality is caused, the defect frequently adjusted.
2. backup plate is positioned after when carrying out fillet welding, the welding of middle stile, cross welding, manually tooling need to be relied on to adjust at present, adjusted
The whole time is long, requires height to operator's operative skill, is especially carrying out multi items, when being welded at window of many types of material specification, adjusting
It is whole frequent, time-consuming and laborious, welding quality unstable；
3. welding head need to adjust the front and back position of individual heads, adopt at present when carrying out fillet welding and V-type Combination Welding
The adjustment of head front and back position is shaken with T-type lead screw, by the mode of tooling and operator's experience adjustments, processing efficiency is not high.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of equipment of seamless welding of plastic door-window and utilizations
Its method welded, welding efficiency is high and welding quality is good.
The utility model to achieve the above object, is achieved through the following technical solutions：
A kind of plastic door-window numerical control seamless welding equipment, including rack, along the linear guide, more of rack length direction setting
A welding head and electric cabinet being arranged in the linear guide, it is characterised in that：Welding head includes head bottom plate, lower pressing tongs list
First, upper pressing tongs unit, pressing tongs feed unit are moved forward and backward unit and welding plate device by plate unit, head；Lower pressing tongs unit is located at
On head bottom plate, the driving that head bottom plate is moved forward and backward unit by head drives welding head to be moved along rack III width directions；
Upper pressing tongs unit is located above lower pressing tongs unit, and can be moved up and down relative to lower pressing tongs unit；Lower pressing tongs unit and upper pressure
Clamp unit include rear pressing tongs and front clamper, pressing tongs feed unit driving after pressing tongs with respect to front clamper closer or far from；Welding plate fills
Setting can move up and down along rack vertical direction.
The plastic door-window numerical control seamless welding equipment preferred embodiment, lower pressing tongs unit include head bottom plate, it is lower after pressing tongs,
Lower front clamper and lower rear pressing tongs move the pair that moves along a straight line, and lower rear pressing tongs is arranged on lower rear pressing tongs bottom plate, and is set on lower rear pressing tongs
There is lower rear crowded knife；It is arranged on lower front clamper bottom plate on lower front clamper, on lower front clamper and equipped with lower preceding crowded knife；Pressing tongs feeding is single
Member drive it is lower after the downward front clamper bottom plate of pressing tongs bottom plate be moved forward and backward, be equipped between pressing tongs bottom plate and head bottom plate after lower it is lower after pressure
The mobile linear motion of pincers is secondary.
The plastic door-window numerical control seamless welding equipment preferred embodiment, pressing tongs feed unit include pressing tongs feeding numerical-control motor
The pressing tongs of driving feeds electric cylinders, and pressing tongs feeding electric cylinders are connect through pressing tongs feed mechanism fixed plate with head bottom plate.
The plastic door-window numerical control seamless welding equipment preferred embodiment, upper pressing tongs unit include head top plate, it is upper after pressing tongs,
The pressing tongs bottom after upper is arranged in upper front clamper, the upper rear secondary and upper pressing tongs reciprocating mechanism of pressing tongs movement linear motion, upper rear pressing tongs
On plate, and upper rear pressing tongs is equipped with upper rear crowded knife；It is arranged on upper front clamper bottom plate on upper front clamper, on upper front clamper and is equipped with
It goes forward to squeeze knife；It is secondary that upper rear pressing tongs movement linear motion is equipped with after upper between pressing tongs bottom plate and head top plate；Upper pressing tongs moves up and down
Mechanism includes that upper pressing tongs moves up and down driving unit and upper pressing tongs moves up and down guideway, and upper pressing tongs moves up and down driving unit and sets
It sets and drives upper pressing tongs unit to move up and down guideway along upper pressing tongs on head top plate to move up and down.
The plastic door-window numerical control seamless welding equipment preferred embodiment, by plate unit include after lean on plate unit and forward cam list
Member；Forward cam unit includes the forward cam being arranged on lower pressing tongs unit；Include afterwards that rear backup plate moves numerical-control motor by plate unit
The rear backup plate of driving moves electric cylinders, and rear backup plate movement electric cylinders are fixed on lower rear pressing tongs bottom plate by rear backup plate mobile device fixed plate
On, rear backup plate movement electric cylinders driving backup plate connecting seat is moved along rear backup plate and is moved in linear motion pair, and is set on backup plate connecting seat
It is equipped with rear backup plate 23, rear backup plate is equipped with U-lag, and rear backup plate connecting plate, which is detachably connected, to be arranged in U-lag.
The plastic door-window numerical control seamless welding equipment preferred embodiment, it includes moving number by head that head, which is moved forward and backward unit,
Motor-driven head movement electric cylinders and head front and rear moving pairs are controlled, head moves electric cylinders and connects with frame head movement mechanism fixed plate
It connecing, frame head movement mechanism fixed plate is connect with handpiece support seat, and handpiece support seat is coordinated by straight line circular journal bearing and the linear guide,
Before head front and rear moving pairs include the back-and-forth motion guide shaft being connect with two handpiece support seats 1 and coordinate with back-and-forth motion guide shaft
After move linear bearing；Setting is on being moved forward and backward linear bearing on head bottom plate.
The plastic door-window numerical control seamless welding equipment preferred embodiment, the V-butt of lower pressing tongs unit and upper pressing tongs unit
It is bilateral symmetry.
The plastic door-window numerical control seamless welding equipment preferred embodiment further includes having to be installed on lower pressing tongs unit to determine
Position device.
The utility model has the advantage of：
1, the utility model by change welding head work into power, numerical-control motor drive has been changed to by original cylinder
It is dynamic, to realize automatically controlling for multiple positions, cannot stop to intermediate any position to change original cylinder, it can only
The defect that can stop is limited firmly by machinery, realizes multipoint control, while when needing position to control, numerical control electricity
Machine controls pattern using position；When needing to export large torque thrust, numerical-control motor is converted to torque mode, realizes multiposition, no
Automatic Control with torque mode and switching, improve welding quality；
2, rear backup plate numerical control driving device is devised, numerical control can be carried out to section locating plate according to the proximate matter of different in width
Driving, meanwhile, by backup plate connecting plate after removable, realize rear backup plate quick and precisely in place, while can realize cross
Material Welding Problems when solving multi items, in high volume weld at window, by the defect of Board position after artificial frequently adjustment, carry
High working efficiency, ensures welding quality.
3, it devises head and is moved forward and backward device, welding head can be fast moved in the driving elder generation of servo feeding apparatus
Front and back position solvesWithWhen Combination Welding, manual rotation's leading screw, the defect of front and back adjustment welding head welding position,
Realize head quick and precisely in place, improve welding efficiency.
Description of the drawings
Attached drawing is used to provide a further understanding of the present invention, and a part for constitution instruction, with this practicality
Novel embodiment for explaining the utility model, does not constitute limitations of the present invention together.
Fig. 1 is the dimensional structure diagram of the utility model；
Fig. 2 is the structural schematic diagram of welding head；
Fig. 3 is lower pressing tongs servo drive axial direction schematic diagram；
Fig. 4 is lower pressing tongs servo drive schematic top plan view；
In figure：I, electric cabinet, II, operation touch-screen, III, rack, IV, welding head, V, operating case, 1, handpiece support
Seat, 2, straight line circular journal bearing, 3, be moved forward and backward guide shaft, 4, be moved forward and backward linear bearing, 5, head bottom plate, 6, positioning device, 7, under
Pressing tongs movement linear motion is secondary afterwards, 8, it is lower after pressing tongs bottom plate, 9, it is lower after pressing tongs, 10, rear backup plate movement linear motion it is secondary, 11, machine
Head moving mechanism fixed plate, 12, pressing tongs feed mechanism fixed plate, 13, pressing tongs feed electric cylinders, 14, pressing tongs feed numerical-control motor,
15, head move electric cylinders, 16, head move numerical-control motor, 17, rear backup plate move numerical-control motor, 18, rear backup plate move electric cylinders,
19, lower front clamper, 20, it is lower before crowded knife, 21, it is lower after crowded knife, 22, forward cam, 23, rear backup plate, 24, upper front clamper, 25, go forward to squeeze
Knife, 26, it is upper after crowded knife, 27, it is upper after pressing tongs, 28, it is upper after pressing tongs moving guide rail pair, 29, upper pressing tongs reciprocating mechanism, 30, on
Pressing tongs moves up and down guideway, and 31, rear column, 32, welding plate device, 33, rear backup plate connecting plate, 34, backup plate connecting seat, 35, lean on afterwards
Plate mobile device fixed plate, 36, head top plate, 37, lower front clamper bottom plate.
Specific implementation mode
The preferred embodiment of the utility model is illustrated below in conjunction with attached drawing, it should be understood that described herein excellent
It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.
With reference to figure 1, a kind of plastic door-window numerical control seamless welding equipment, including rack III, set along rack III length directions
The linear guide, multiple welding head IV being arranged in the linear guide, the electric cabinet I being arranged on rack III and and the peace set
It adjusts, carries out not with respect to horizontal direction position on rack III loaded on the operation touch-screen II on electric appliance control box, welding head IV
(such as with length and different window type) welding combination, the welding logical action of welding head IV passes through
PLC controls in operation button and electric cabinet I on operating case V on head shield on respective welding head are set.
The all parts that welding head IV is specifically introduced with reference to figure 2, Fig. 3 and Fig. 4 constitute and function：
Welding head IV include head bottom plate 5, lower pressing tongs unit, upper pressing tongs unit, pressing tongs feed unit, by plate unit,
Head is moved forward and backward unit and welding plate device；The driving that head bottom plate 5 is moved forward and backward unit by head drives the edges welding head IV
Rack III width directions move, and lower pressing tongs unit is located on head bottom plate 5, and upper pressing tongs unit is located above lower pressing tongs unit, and
It can be moved up and down relative to lower pressing tongs unit；Lower pressing tongs unit and upper pressing tongs unit include rear pressing tongs and front clamper, pressing tongs
Feed unit driving after pressing tongs with respect to front clamper closer or far from；Welding plate device 32 can move down on rack III vertical directions
It is dynamic.
It includes before moving electric cylinders 15 and head by the head that head movement numerical-control motor 16 drives that head, which is moved forward and backward unit,
Prismatic pair afterwards, head movement electric cylinders 15 are connect with frame head movement mechanism fixed plate 11, frame head movement mechanism fixed plate 11 and head
Support base 11 connects, and handpiece support seat 1 is coordinated by straight line circular journal bearing 2 and the linear guide, and head front and rear moving pairs include and two
What a handpiece support seat 1 connected is moved forward and backward guide shaft 3 and the back-and-forth motion linear bearing 4 with the back-and-forth motion cooperation of guide shaft 3；Head
Setting is on being moved forward and backward linear bearing 4 on bottom plate 5.
Lower pressing tongs unit includes that head bottom plate 5, lower rear pressing tongs 9, lower front clamper 19 and lower rear pressing tongs movement linear motion are secondary
7, the lower rear setting of pressing tongs 9 is on lower rear pressing tongs bottom plate 8, and lower rear pressing tongs 9 is equipped with lower rear crowded knife 21；It is arranged on lower front clamper 19
On lower front clamper bottom plate 37, on lower front clamper 19 and equipped with lower preceding crowded knife 20；Pressing tongs feed unit drives lower rear pressing tongs bottom plate 8
Downward front clamper bottom plate 37 is moved forward and backward, and is equipped with lower rear pressing tongs movement linear motion after lower between pressing tongs bottom plate 8 and head bottom plate 5
Pair 7.
Pressing tongs feed unit includes the pressing tongs feeding electric cylinders 13 that pressing tongs feeding numerical-control motor 14 drives, and pressing tongs feeds electric cylinders 13
It is connect with head bottom plate 5 through pressing tongs feed mechanism fixed plate 12.
Upper pressing tongs unit includes head top plate 36, upper rear pressing tongs 27, upper front clamper 24, upper rear pressing tongs movement linear motion pair
With upper pressing tongs reciprocating mechanism, upper rear pressing tongs 27 is arranged on upper rear pressing tongs bottom plate, and upper rear pressing tongs 27 is equipped with upper rear crowded
Knife 26；It is arranged on upper front clamper bottom plate on upper front clamper 24, knife 25 is squeezed on upper front clamper 24 and equipped with going forward；Pressing tongs bottom after upper
Upper rear pressing tongs movement linear motion pair 30 is equipped between plate and head top plate 36；Upper pressing tongs reciprocating mechanism includes on upper pressing tongs
Lower mobile driving unit and upper pressing tongs move up and down guideway 28, and upper pressing tongs moves up and down driving unit and is arranged in head top plate 36
Pressing tongs unit moves up and down guideway 28 along upper pressing tongs and moves up and down in upper drive.
In the present embodiment, the V-butt of lower pressing tongs unit and upper pressing tongs unit is bilateral symmetry, can be welded simultaneously
Two angles compare existing middle small one and large one structure of V-shaped mouth, improve welding efficiency.
By plate unit include after lean on plate unit and forward cam unit；Forward cam unit includes being arranged on lower pressing tongs unit
Forward cam 22；The rear backup plate for by plate unit including afterwards the rear backup plate movement driving of numerical-control motor 17 moves electric cylinders 18, rear backup plate movement
Electric cylinders 18 are fixed on by rear backup plate mobile device fixed plate 35 on lower rear pressing tongs bottom plate 8, and rear backup plate movement electric cylinders drive backup plate
Connecting seat 34 is moved along rear backup plate and is moved in linear motion pair 10, and rear backup plate 23 is provided on backup plate connecting seat 34, rear backup plate
23 are equipped with U-lag, and rear backup plate connecting plate 33, which is detachably connected, to be arranged in U-lag.
It further includes having the positioning device 6 being installed on lower rear pressing tongs bottom plate 8 to welding head, realizes that proximate matter when welding is fixed
Position.
In the present embodiment, head moves numerical-control motor 16, pressing tongs feeding numerical-control motor 14 and rear backup plate and moves numerical-control motor
17 may be used servo motor, stepper motor or the motor with encoder, and head moves electric cylinders 15, pressing tongs feeds electric cylinders 13
Electric cylinders cooperation lead screw guide rails pair or electric pushrod etc. may be used with rear backup plate movement electric cylinders 18 and constitute driving device.
A method of it is welded, is included the following steps using plastic door-window numerical control seamless welding equipment：
1) pressing tongs feed unit drive makes the rear pressing tongs of lower pressing tongs unit and upper pressing tongs unit close to front clamper, and by type
Proximate matter is heated and is welded using welding plate device by material compression, and welding plate device is retracted, and the drive of pressing tongs feed unit makes lower pressing tongs unit
Rear pressing tongs with upper pressing tongs unit realizes that proximate matter compresses, proximate matter is retracted, proximate matter heats, welding plate is retracted and proximate matter far from front clamper
Welding process；
2) head is moved forward and backward unit, pushes head bottom plate 5, drives entire welding head IV to be moved forward and backward, welding head
IV different locations are to be applicable in different in width proximate matter.
3) backup plate movement electric cylinders driving backup plate connecting seat 34 moves along rear backup plate and moves cooperation electricity in linear motion pair 10 afterwards
Control case I, can realize different in width proximate matter V mouths orAfter the difference of welding precisely in place by Board position, while rear backup plate connecting plate
33 can tear open from rear backup plate 23, to realizeThe welding of type.
Finally it should be noted that：The above descriptions are merely preferred embodiments of the present invention, is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it still can be with technical scheme described in the above embodiments is modified, or to which part technical characteristic
Carry out equivalent replacement.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (7)
1. a kind of plastic door-window numerical control seamless welding equipment, including rack, the linear guide, multiple along the setting of rack length direction
The welding head and electric cabinet being arranged in the linear guide, it is characterised in that：Welding head includes head bottom plate, lower pressing tongs list
First, upper pressing tongs unit, pressing tongs feed unit are moved forward and backward unit and welding plate device by plate unit, head；Lower pressing tongs unit is located at
On head bottom plate, the driving that head bottom plate is moved forward and backward unit by head drives welding head to be moved along rack III width directions；
Upper pressing tongs unit is located above lower pressing tongs unit, and can be moved up and down relative to lower pressing tongs unit；Lower pressing tongs unit and upper pressure
It includes rear pressing tongs and front clamper to clamp unit, after the driving of pressing tongs feed unit pressing tongs with respect to front clamper closer or far from, pressing tongs into
The pressing tongs for unit including pressing tongs feeding numerical-control motor driving feeds electric cylinders, and pressing tongs feeds electric cylinders through pressing tongs feed mechanism fixed plate
It is connect with head bottom plate, welding plate device can be moved up and down along rack vertical direction.
2. plastic door-window numerical control seamless welding equipment according to claim 1, it is characterised in that：Lower pressing tongs unit includes head
Bottom plate, lower rear pressing tongs, lower front clamper and lower rear pressing tongs move linear motion pair, and lower rear pressing tongs is arranged on lower rear pressing tongs bottom plate,
And lower rear pressing tongs is equipped with lower rear crowded knife；It is arranged on lower front clamper bottom plate on lower front clamper, on lower front clamper and equipped with before lower
Squeeze knife；Pressing tongs feed unit drives the lower rear downward front clamper bottom plate of pressing tongs bottom plate to be moved forward and backward, lower rear pressing tongs bottom plate and head bottom
It is secondary that lower rear pressing tongs movement linear motion is equipped between plate.
3. plastic door-window numerical control seamless welding equipment according to claim 1, it is characterised in that：Upper pressing tongs unit includes head
Top plate, upper rear pressing tongs, upper front clamper, the upper rear secondary and upper pressing tongs reciprocating mechanism of pressing tongs movement linear motion, upper rear pressing tongs are set
It sets on upper rear pressing tongs bottom plate, and upper rear pressing tongs is equipped with upper rear crowded knife；It is arranged on upper front clamper bottom plate on upper front clamper, on
Knife is squeezed on front clamper and equipped with going forward；It is secondary that upper rear pressing tongs movement linear motion is equipped with after upper between pressing tongs bottom plate and head top plate；
Upper pressing tongs reciprocating mechanism includes that upper pressing tongs moves up and down driving unit and upper pressing tongs moves up and down guideway, above and below upper pressing tongs
Mobile driving unit setting drives upper pressing tongs unit to move up and down guideway along upper pressing tongs on head top plate and moves up and down.
4. according to claims 1 or 2 or the 3 plastic door-window numerical control seamless welding equipment, it is characterised in that：Include by plate unit
Plate unit and forward cam unit are leaned on afterwards；Forward cam unit includes the forward cam being arranged on lower pressing tongs unit；Plate unit packet is leaned on afterwards
The rear backup plate movement electric cylinders of rear backup plate movement numerical-control motor driving are included, rear backup plate movement electric cylinders are fixed by rear backup plate mobile device
Plate is fixed on lower rear pressing tongs bottom plate, and rear backup plate movement electric cylinders driving backup plate connecting seat moves linear motion pair along rear backup plate and moves up
It is dynamic, and rear backup plate is provided on backup plate connecting seat, rear backup plate is equipped with U-lag, and rear backup plate connecting plate, which is detachably connected, to be arranged in U-shaped
In slot.
5. according to claims 1 or 2 or the 3 plastic door-window numerical control seamless welding equipment, it is characterised in that：Head is moved forward and backward
Unit includes moving electric cylinders and machine by the head movement electric cylinders and head front and rear moving pairs, head of head movement numerical-control motor driving
Head moving mechanism fixed plate connects, and frame head movement mechanism fixed plate is connect with handpiece support seat, and handpiece support seat is justified by straight line
Bearing and the linear guide coordinate, head front and rear moving pairs include the back-and-forth motion guide shaft being connect with two handpiece support seats 1 and with
It is moved forward and backward the back-and-forth motion linear bearing of guide shaft cooperation；Setting is on being moved forward and backward linear bearing on head bottom plate.
6. according to claims 1 or 2 or the 3 plastic door-window numerical control seamless welding equipment, it is characterised in that：Lower pressing tongs unit and
The V-butt of upper pressing tongs unit is symmetrical.
7. according to claims 1 or 2 or the 3 plastic door-window numerical control seamless welding equipment, it is characterised in that：It further includes having peace
Loaded on the positioning device on lower pressing tongs unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721789250.3U CN207617135U (en) | 2017-12-20 | 2017-12-20 | The equipment of the seamless welding of plastic door-window |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721789250.3U CN207617135U (en) | 2017-12-20 | 2017-12-20 | The equipment of the seamless welding of plastic door-window |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207617135U true CN207617135U (en) | 2018-07-17 |
Family
ID=62821224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721789250.3U Expired - Fee Related CN207617135U (en) | 2017-12-20 | 2017-12-20 | The equipment of the seamless welding of plastic door-window |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207617135U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108058392A (en) * | 2017-12-20 | 2018-05-22 | 济南顺禾机械设备有限公司 | The equipment of the seamless welding of plastic door-window and the method welded using it |
| CN116512619A (en) * | 2023-07-04 | 2023-08-01 | 山东辰禾智能装备有限公司 | Welding device and method for trapezoid frame profile |
-
2017
- 2017-12-20 CN CN201721789250.3U patent/CN207617135U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108058392A (en) * | 2017-12-20 | 2018-05-22 | 济南顺禾机械设备有限公司 | The equipment of the seamless welding of plastic door-window and the method welded using it |
| CN116512619A (en) * | 2023-07-04 | 2023-08-01 | 山东辰禾智能装备有限公司 | Welding device and method for trapezoid frame profile |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180717 Termination date: 20191220 |
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| CF01 | Termination of patent right due to non-payment of annual fee |