CN208450948U - Automatic charging lifting vehicle carriage pneumatically spells some toolings - Google Patents
Automatic charging lifting vehicle carriage pneumatically spells some toolings Download PDFInfo
- Publication number
- CN208450948U CN208450948U CN201821136794.4U CN201821136794U CN208450948U CN 208450948 U CN208450948 U CN 208450948U CN 201821136794 U CN201821136794 U CN 201821136794U CN 208450948 U CN208450948 U CN 208450948U
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- positioning
- automatic charging
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- bottom plate
- down assembly
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- 238000012546 transfer Methods 0.000 claims description 11
- 238000003466 welding Methods 0.000 abstract description 17
- 238000000034 method Methods 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 8
- 229910000831 Steel Inorganic materials 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 230000006835 compression Effects 0.000 description 6
- 238000007906 compression Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000010923 batch production Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses automatic charging lifting vehicle carriages pneumatically to spell some toolings, belong to field of welding devices, including bottom plate, the left side of the bottom plate upper surface is equipped with first end positioning component, right side is equipped with the second end positioning component, the front and rear sides of the bottom plate upper surface are symmetrically arranged with first and hold down assembly, the first end positioning component and described first hold down assembly between be equipped with laterally positioning component, the laterally positioning component and described first hold down assembly between be equipped with hold out against component.The multiple angle positioning of the utility model, positioning accuracy is high, and clamped one time completes the welding procedure of entire part, and welding precision is high, high-efficient.
Description
Technical field
The utility model belongs to field of welding devices, is related to automatic charging lifting vehicle carriage and pneumatically spells some toolings.
Background technique
Steel pipe is widely used in real life, and steel pipe is applied not only to trandfer fluid and powdery solid, exchange thermal energy, manufacture
Machine components and container, it or a kind of economic steel manufacture building structure rack, pillar and machinery mount with steel pipe, can be with
Mitigate weight, saves metal 20~40%, and can realize batch production mechanized construction, manufacture highway bridge with steel pipe and not only may be used
It saves steel, simplify construction, and the area of stopping off, investment reduction and maintenance cost can be greatly reduced.
Automatic charging lifting vehicle carriage is mostly formed by steel-pipe welding, is to be surveyed by worker by tape measure during welding at present
Each steel pipe sizes are measured, then scribing line is welded by hand, have the disadvantage in that 1 by the crossbeam being welded of crossing by hand,
Position components are inaccurate, and guarantee is unable to get in dimensional accuracy；2, welding deformation is serious, influences size and product quality；3, raw
Processing large labor intensity is produced, working efficiency is low.
Automatic charging lift truck vehicle frame volume is larger, and specification span is also larger, and occupied space is wider, the process of actual welding
In, if human weld, multiple people is needed to carry out support positioning, and the limited resistance of people, it is easy to misplace, lead to welding not
It is good.
Utility model content
The purpose of this part be summarize the embodiments of the present invention some aspects and briefly introduce it is some compared with
Good embodiment.May be done in this part and the summary of the description of the application and utility model title it is a little simplify or omit with
Avoid the purpose for making this part, abstract of description and utility model title fuzzy, and this simplification or omission cannot be used for limiting
The scope of the utility model.
The problem of describing in view of the aforementioned technical background proposes the utility model, and therefore, the utility model is wherein
One purpose is to provide a kind of automatic charging lifting vehicle carriage and pneumatically spells some toolings, can the entire automatic charging liter of clamped one time completion
The entire welding procedure of vehicle carriage is dropped, and is positioned using multiple spot, stability is high and precision is high, improves welding precision
And efficiency.
In order to solve the above technical problems, the technical solution adopted in the utility model is: it is pneumatic that automatic charging goes up and down vehicle carriage
Point tooling, including bottom plate are spelled, the left side of the bottom plate upper surface is equipped with first end positioning component, and right side is fixed equipped with the second end
Hyte part, the front and rear sides of the bottom plate upper surface are symmetrically arranged with first and hold down assembly, the first end positioning component and institute
State first hold down assembly between be equipped with laterally positioning component, the laterally positioning component and described first hold down assembly between be equipped with hold out against
Component；
The first end positioning component includes the first positioning seat, transfer block and positioning screw, and first positioning seat is solid
It is located on the bottom plate, the transfer block is located on first positioning seat and the two is threadedly coupled, and the positioning screw is horizontal
It is arranged in the transfer block and the two is threadedly coupled, the center line of the axis of the positioning screw and the bottom plate left and right directions
It is arranged in parallel；
The second end positioning component includes the second positioning seat, and second positioning seat is installed on the bottom plate, institute
It states on the second positioning seat and to be vertically equipped with locating rod and the two is threadedly coupled, the locating rod is parallel with the axis of the positioning screw
Setting；
Described first holds down assembly including third positioning seat, compressor arm and the first driving cylinder, and the third positioning seat is fixed
On the bottom plate, the compressor arm is hinged on the upper surface of the third positioning seat and the force-output shaft with first driving cylinder
Hingedly, first driving cylinder drives the compressor arm rotation, and the compressor arm is equipped with far from one end of first driving cylinder
Clamping screw and the two are threadedly coupled, and the clamping screw is arranged straight down.
Further, the quantity of the first end positioning component is two and is symmetricly set on the base plate center line
Two sides, the quantity of the second end positioning component are two and are symmetricly set on the two sides of the base plate center line.
Further, the laterally positioning component is elbow formula fixed rack structure, and the actuating station of the laterally positioning component is positioning
Plate, is vertically equipped with positioning pin on the positioning plate, and the positioning pin goes up and down that the location hole on vehicle carriage is corresponding to be set with automatic charging
It sets.
Further, the component that holds out against includes the 4th positioning seat, the second driving cylinder and top-fastening rod, the 4th positioning seat
It is installed on the bottom plate, second driving cylinder is installed on the 4th positioning seat, and the top-fastening rod is located at described second
On the force-output shaft of driving cylinder and the two is coaxially disposed, under the force-output shaft stretching state of second driving cylinder, the top-fastening rod
It is arranged with automatic charging lift truck frame contact.
Further, described first hold down assembly between the second end positioning component be equipped with hold out against component, it is described
Hold out against to set between component and the second end positioning component and hold down assembly there are two second, described second hold down assembly perpendicular to
Automatic charging goes up and down the end face setting of vehicle carriage, the structure phase that the described second structure to hold down assembly holds down assembly with described first
Together.
Further, the described first quantity to hold down assembly is symmetricly set on automatic charging lifting for four and two one group
The front and rear sides of vehicle carriage, two of the same side described first hold down assembly between be equipped with altitude location column, the altitude location
Column is vertically installed on the bottom plate.
The utility model has the advantages and positive effects of: compared with prior art, 1, the utility model is on bottom plate
Side's setting first end positioning component and the second end positioning component are completed to determine automatic charging lifting vehicle carriage left and right directions
Laterally positioning component is arranged in position, and positioning pin is arranged, and completes to automatic charging lifting vehicle carriage front and rear sides positioning, while being arranged the
One, which holds down assembly, completes the impaction state that vehicle carriage is gone up and down to automatic charging, guarantees good invariant position shape between part, setting top
Tight component compresses the side of automatic charging lifting vehicle carriage, further prevents deforming, improve the stability of positioning,
Total multiple spot is positioned, and positioning accuracy is high, and stability is high, and clamped one time completes all welding procedures, high-efficient, is mentioned
The qualification rate and welding efficiency of part are risen；2, first structure that holds down assembly is simple, easy to operate, the first driving cylinder can carry out from
Dynamic control, laborsaving, the force-output shaft of the first driving cylinder stretches out, and one end of driving compressor arm setting clamping screw moves downward, in turn
Clamping screw is driven to move downward the compression completed to automatic charging lifting vehicle carriage, instead the force-output shaft contracting of the first driving cylinder
Water, clamping screw are detached from automatic charging and go up and down vehicle carriage, complete blanking action, and because clamping screw and compressor arm screw thread connect
It connects, the bit positions of clamping screw are adjustable, and the degree of compression is adjustable, and assembly is more convenient, are also suitable the product of different size；3,
Setting second holds down assembly, and increases the points of positioning, promotes the precision and stability of positioning.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical solution of the utility model embodiment
The attached drawing used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the utility model
Example, for those of ordinary skill in the art, without any creative labor, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the structural schematic diagram that the utility model automatic charging lifting vehicle carriage pneumatically spells some toolings；
Fig. 2 is the top view that the utility model automatic charging lifting vehicle carriage pneumatically spells some toolings；
Fig. 3 is the structural schematic diagram of the utility model first end assembly；
Fig. 4 is the structural schematic diagram of the utility model second end assembly；
Fig. 5 is the structural schematic diagram that the utility model first holds down assembly
Fig. 6 is the structural schematic diagram of the utility model laterally positioning component；
Fig. 7 is the structural schematic diagram that the utility model holds out against component.
Appended drawing reference:
1- bottom plate；2- first end positioning component；The first positioning seat of 21-；22- transfer block；23- positioning screw；3- second
End positioning component；The second positioning seat of 31-；32- locating rod；4- first holds down assembly；41- third positioning seat；42- first drives
Cylinder；43- compressor arm；44- clamping screw；5- laterally positioning component；51- positioning plate；52- positioning pin；6- holds out against component；61- the 4th
Positioning seat；The second driving cylinder of 62-；63- top-fastening rod；7- second holds down assembly；8- altitude location pin.
Specific embodiment
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, with reference to the accompanying drawing to this
The specific embodiment of utility model is described in detail.
Many details are explained in the following description in order to fully understand the utility model, but this is practical new
Type can also be implemented using other than the one described here other way, and those skilled in the art can be without prejudice to this reality
With doing similar popularization in the case where novel intension, therefore the utility model is not limited by the specific embodiments disclosed below.
Secondly, the utility model combination schematic diagram is described in detail, when the utility model embodiment is described in detail, for convenient for
Illustrate, indicates that the sectional view of device architecture can disobey general proportion and make partial enlargement, and the schematic diagram is example,
This should not limit the range of the utility model protection.In addition, the three-dimensional space of length, width and depth should be included in actual fabrication
Between size
Again, it should be noted that in the absence of conflict, the spy in the embodiments of the present invention and embodiment
Sign can be combined with each other.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For limitations of the present invention.In addition, term " first ", " second " etc. are used for description purposes only, and should not be understood as indicating
Or it implies relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " etc. are defined as a result,
Feature can explicitly or implicitly include one or more of the features.It is in the description of the present invention, unless another
It is described, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition
State the concrete meaning of term in the present invention.
To keep the purpose of this utility model, technical solution and advantage clearer, with reference to the accompanying drawing to the utility model
Specific embodiment elaborate.
As depicted in figs. 1 and 2, automatic charging lifting vehicle carriage pneumatically spells some toolings, including bottom plate 1,1 upper surface of bottom plate
Left side is equipped with first end positioning component 2, and right side is equipped with the second end positioning component 3, and the front and rear sides of 1 upper surface of bottom plate are symmetrical
4 are held down assembly equipped with first, and first end positioning component 2 and first hold down assembly and be equipped with laterally positioning component 5, side positioning between 4
Component 5 and first holds down assembly to be equipped between 4 and holds out against component 6；
As shown in figure 3, first end positioning component 2 include the first positioning seat 21, transfer block 22 and positioning screw 23, first
Positioning seat 21 is installed on bottom plate 1, and transfer block 22 is located on the first positioning seat 21 and the two is threadedly coupled, and positioning screw 23 is horizontal
It is arranged in transfer block 22 and the two is threadedly coupled, the centerline parallel of the axis and 1 left and right directions of bottom plate of positioning screw 23 is set
It sets, automatic charging is gone up and down and is positioned on the left of vehicle carriage, and the position of positioning screw 23 is adjustable, it is easy to assembly,
The location requirement of products of different specifications can be met, it is applied widely；
As shown in figure 4, the second end positioning component 3 includes the second positioning seat 31, the second positioning seat 31 is installed in bottom plate 1
On, locating rod 32 is vertically equipped on the second positioning seat 31 and the two is threadedly coupled, and the axis of locating rod 32 and positioning screw 23 is flat
Row setting, locating rod 32 can go up and down automatic charging on the right side of vehicle carriage and position, be correspondingly arranged, complete with positioning screw 23
The location requirement of left and right directions；
As shown in figure 5, first hold down assembly 4 include third positioning seat 41, compressor arm 43 and the first driving cylinder 42, third is fixed
Position seat 41 is installed on bottom plate 1, and compressor arm 43 is hinged on the upper surface of third positioning seat 41 and the power output with the first driving cylinder 42
Axis is hinged, and the first driving cylinder 42 drives compressor arm 43 to rotate, and compressor arm 43 is equipped with far from one end of the first driving cylinder 42 and compresses spiral shell
Bar 44 and the two are threadedly coupled, and clamping screw 44 is arranged straight down, and the force-output shaft of the first driving cylinder 42 stretches out, and drive compressor arm
One end of 43 setting clamping screws 44 moves downward, and then clamping screw 44 is driven to move downward completion to automatic charging lift truck
The compression of vehicle frame, the force-output shaft of the first driving cylinder 42 shrinks instead, and clamping screw 44 is detached from automatic charging and goes up and down vehicle carriage, completes
Blanking action, and because clamping screw 44 is threadedly coupled with compressor arm 43, the bit positions of clamping screw 44 are adjustable, compression
Degree is adjustable, and assembly is more convenient, is also suitable the product of different size.
Preferably, the quantity of first end positioning component 2 is two and is symmetricly set on the two sides of 1 center line of bottom plate, the
The quantity of two end positioning components 3 is two and is symmetricly set on the two sides of 1 center line of bottom plate, especially for wider specification from
Dynamic feeding goes up and down vehicle carriage, and positioning accuracy is high.
Preferably, as shown in fig. 6, laterally positioning component 5 is elbow formula fixed rack structure, structure is simple, can in the market directly
Purchase, at low cost and easy to use, the actuating station of laterally positioning component 5 is positioning plate 51, is vertically equipped with positioning on positioning plate 51
Pin 52, positioning pin 52 are correspondingly arranged with the location hole on automatic charging lifting vehicle carriage, ensure that automatic charging goes up and down vehicle carriage
It is accurately positioned in the front-back direction.
Preferably, as shown in fig. 7, holding out against component 6 includes the 4th positioning seat 61, the second driving cylinder 62 and top-fastening rod 63, the
Four positioning seats 61 are installed on bottom plate 1, and the second driving cylinder 62 is installed on the 4th positioning seat 61, and top-fastening rod 63 is located at the second driving
On the force-output shaft of cylinder 62 and the two is coaxially disposed, under the force-output shaft stretching state of the second driving cylinder 62, top-fastening rod 63 and automatic
Feeding lift truck frame contact setting, compression setting is carried out to side because automatic charging lifting vehicle carriage length span compared with
Greatly, it is deformed after avoiding left and right from positioning, side is compressed, its deformation is prevented, promotes the stability of positioning.
Preferably, first hold down assembly between 4 and the second end positioning component 3 be equipped with hold out against component 6, hold out against component 6 with
It is set between the second end positioning component 3 and holds down assembly 7 there are two second, second holds down assembly 7 perpendicular to automatic charging lift truck
The end face of vehicle frame is arranged, second hold down assembly 7 structure with first hold down assembly 4 structure it is identical, increase the points of positioning, mention
Rise the precision and stability of positioning；It is highly preferred that the second quantity for holding down assembly 7 every sides is two and is disposed adjacent.
Preferably, first hold down assembly 4 quantity be four and two one group be symmetricly set on automatic charging lift truck vehicle
The front and rear sides of frame increase the points of positioning, promote the precision and stability of positioning, and two first of the same side hold down assembly 4
Between be equipped with altitude location column 8, altitude location column 8 is vertically installed on bottom plate 1, plays up and down to automatic charging lifting vehicle carriage
The positioning action of height promotes the efficiency in placement process.
During practical operation, it is placed on after automatic charging lifting vehicle carriage is tentatively connected according to preset position
On bottom plate 1, one end is aligned with the locating rod 32 on the second end positioning component 3 on right side, is realized the positioning of one end, is then started
Laterally positioning component 5 is completed so that the positioning pin 52 on laterally positioning component 5 is correspondingly arranged with location hole on automatic charging vehicle carriage
The positioning of one end and two sides, then rotational positioning screw rod 23 with respect to transfer block 22 position so that positioning screw 23 and automatic
The setting of feeding lift truck frame contact completes that the first driving cylinder 42 and second then can be started simultaneously to the positioning on the left of it
Driving cylinder 62, clamping screw 44 and top-fastening rod 63 are successively contacted with workpiece, complete to automatic charging lifting vehicle carriage compression and
Movement is held out against, second holds down assembly 7 movements at the same time, completes the demand of multipoint positioning, total multipoint positioning and clamping,
The stability of positioning is high, avoids in welding process, and the generation of part dislocation can be completed once at multiple spot after the completion of positioning
The precision of welding, welding is high, and the efficiency of welding greatly promotes, and the quality and qualification rate of product greatly promote.
It should be noted that above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application, although reference
The utility model is described in detail in preferred embodiment, those skilled in the art should understand that, it can be to this reality
It is modified or replaced equivalently with novel technical solution, without departing from the spirit and scope of the technical scheme of the present invention,
It should all cover in the scope of the claims of the utility model.
Claims (6)
1. automatic charging lifting vehicle carriage pneumatically spells some toolings, it is characterised in that: including bottom plate, the left side of the bottom plate upper surface
Equipped with first end positioning component, right side is equipped with the second end positioning component, and the front and rear sides of the bottom plate upper surface are symmetrically set
There is first to hold down assembly, the first end positioning component and described first hold down assembly between be equipped with laterally positioning component, it is described
Laterally positioning component and described first hold down assembly between be equipped with hold out against component；
The first end positioning component includes the first positioning seat, transfer block and positioning screw, and first positioning seat is installed in
On the bottom plate, the transfer block is located on first positioning seat and the two is threadedly coupled, and the positioning screw is horizontally disposed
In the transfer block and the two is threadedly coupled, the centerline parallel of the axis of the positioning screw and the bottom plate left and right directions
Setting；
The second end positioning component includes the second positioning seat, and second positioning seat is installed on the bottom plate, and described the
Locating rod is vertically equipped on two positioning seats and the two is threadedly coupled, and the locating rod is parallel with the axis of the positioning screw to be set
It sets；
Described first holds down assembly including third positioning seat, compressor arm and the first driving cylinder, and the third positioning seat is installed in institute
It states on bottom plate, the compressor arm is hinged on the upper surface of the third positioning seat and cuts with scissors with the force-output shaft of first driving cylinder
It connects, first driving cylinder drives the compressor arm rotation, and the compressor arm is equipped with pressure far from one end of first driving cylinder
Tight screw rod and the two is threadedly coupled, the clamping screw is arranged straight down.
2. automatic charging lifting vehicle carriage according to claim 1 pneumatically spells some toolings, it is characterised in that: the first end
The quantity of portion's positioning component is two and is symmetricly set on the two sides of the base plate center line, the second end positioning component
Quantity is two and is symmetricly set on the two sides of the base plate center line.
3. automatic charging lifting vehicle carriage according to claim 1 pneumatically spells some toolings, it is characterised in that: the side positioning
Component is elbow formula fixed rack structure, and the actuating station of the laterally positioning component is positioning plate, is vertically equipped with positioning on the positioning plate
Pin, the positioning pin are correspondingly arranged with the location hole on automatic charging lifting vehicle carriage.
4. automatic charging lifting vehicle carriage according to claim 1 pneumatically spells some toolings, it is characterised in that: described to hold out against group
Part includes the 4th positioning seat, the second driving cylinder and top-fastening rod, and the 4th positioning seat is installed on the bottom plate, and described second drives
Dynamic cylinder is installed on the 4th positioning seat, and the top-fastening rod is located on the force-output shaft of second driving cylinder and the two is coaxially set
It sets, under the force-output shaft stretching state of second driving cylinder, the top-fastening rod and automatic charging lift truck frame contact are arranged.
5. automatic charging lifting vehicle carriage according to claim 1 pneumatically spells some toolings, it is characterised in that: first pressure
It is equipped between tight component and the second end positioning component and holds out against component, it is described to hold out against component and the second end positioning group
It sets between part and holds down assembly there are two second, the described second end face to hold down assembly perpendicular to automatic charging lifting vehicle carriage is set
It sets, the described second structure to hold down assembly is identical as the structure that described first holds down assembly.
6. automatic charging lifting vehicle carriage according to claim 1 pneumatically spells some toolings, it is characterised in that: first pressure
The quantity of tight component is four and two one group and is symmetricly set on the front and rear sides that automatic charging goes up and down vehicle carriage, the two of the same side
A described first hold down assembly between be equipped with altitude location column, the altitude location column is vertically installed on the bottom plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821136794.4U CN208450948U (en) | 2018-07-18 | 2018-07-18 | Automatic charging lifting vehicle carriage pneumatically spells some toolings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821136794.4U CN208450948U (en) | 2018-07-18 | 2018-07-18 | Automatic charging lifting vehicle carriage pneumatically spells some toolings |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208450948U true CN208450948U (en) | 2019-02-01 |
Family
ID=65179940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821136794.4U Expired - Fee Related CN208450948U (en) | 2018-07-18 | 2018-07-18 | Automatic charging lifting vehicle carriage pneumatically spells some toolings |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208450948U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110340583A (en) * | 2019-08-09 | 2019-10-18 | 新昌暮云自动化设备有限公司 | A kind of lead silver welding equipment based on dentistry bracket |
-
2018
- 2018-07-18 CN CN201821136794.4U patent/CN208450948U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110340583A (en) * | 2019-08-09 | 2019-10-18 | 新昌暮云自动化设备有限公司 | A kind of lead silver welding equipment based on dentistry bracket |
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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: 20190201 |